BRPI0710446A2 - cylinder lock protection system - Google Patents

Abstract

CYLINDER LOCK PROTECTION SYSTEM. The present invention relates to a cylinder lock protection system which is provided that when a magnet lock that unlocks in response to the approach of a magnet is unlocked, switching can be done between a state in which the insertion a mechanical key in the key hole of an internal cylinder is permitted and a state in which the insertion of the mechanical key in the key hole is prevented, in which a shutter mechanism (26) is arranged in a cylinder body (11) , the shutter mechanism (26) having a pivot member (27) and a shutter plate (28), the pivot member (27) having an insertion hole (38) to allow the insertion of the mechanical key (15) in the key hole (16) and pivot around the same axis as the pivot axis of the inner cylinder (13) in response to a pivot operation when the magnet lock (35) is unlocked, and the shutter plate (28 ) being operatively connected to the pivot member (27), in order to move between an open position where the hole d and insertion (38) is open and a closed position in which the insertion hole (38) is entirely closed in response to the pivoting of the pivoting member (27). This allows the keyhole of the inner cylinder to be completely closed and the shutter mechanism to become compact.

Description

Patent Descriptive Report for "CYLINDER LOCKING SYSTEM".

Technical Field

The present invention relates to a cylinder lock protection system which, when a magnet lock that unlocks in response to the approach of a magnet is unlocked, can switch between a state where the insertion of a mechanical key In a key hole a pivotally supported internal cylinder in a cylinder body is permitted and a state in which the insertion of the mechanical key into the key hole is provided.

Prior Art

A cylinder lock protection system in which a shutter plate having a key insertion hole with a rectangular cross-salt section corresponding to a key hole with a rectangular cross-salt section is pivoted about the same axis as the axis. An internal umbilical pivot by a pivoting operation when unlocking a magnet lock is known from a Patent Publication I and a cylinder lock protection system wherein a shutter plate capable of pivoting around an axis that is parallel to the pivot shaft of an inner cylinder and offset from the pivot shaft is pivoted by a pivoting operation when unlocking a magnet lock is known from a Patent Publication 2.

Patent Publication 1: Japanese Patent No. 3577453

Patent Publication 2: Patent Application

Japanese open for public inspection ne 56219/2003

Description of the Invention

Problems to Be Solved by the Invention

In the construction described in Patent Publication I, in a position where the shutter plate is closed, the shutter plate key insert hole is in a position that intersects the inner cylinder keyhole and a central section of the intersection. is closed; as a result, foreign matter must be forced through this dust insert hole etc. they must enter the inner cylinder, which is not desirable. In addition, in the construction described in Patent Publication 2, since the inner cylinder key hole can be completely closed by the shutter plate, the problems of the technique described by However, since the obturator plate is capable of pivoting about the axis that is parallel to the pi-ve axis of the inner cylinder and deviated from the pivot axis, the dimensions of a mechanism The shutter plate that includes the shutter plate are large.

The present invention has been carried out under the above mentioned circumstances and it is its object to provide a cylinder lock protection system which enables a keyhole of an inner cylinder to be closed completely and a shutter mechanism to be made compact.

Problem Solving Means

In order to achieve the above objective according to a first aspect of the present invention there is provided a decylinder lock protection system which, when a magnet lock that unlocks in response to the approach of a magnet, can be unlocked. switching between a state in which the insertion of a mechanical key into the key hole of an internally pivotally supported cylinder in a cylinder body is permissible and a state in which the insertion of the mechanical key in the key hole is prevented, characterized in that wherein a shutter mechanism is disposed in the cylinder body, the shutter mechanism having a pivot member and a shutter plate, the pivot member having an insertion hole to allow insertion of the mechanical key into the key hole. and pivoting around the same axis as the inner cylinder pivot axis in response to a pivoting operation when the magnet lock is unlocked and the shutter plate is operatively connected to the pi member. Voting means moving between an open position where the insertion hole is open and a closed position where the insertion hole is fully closed in response to pivoting of the pivot member.

According to a second aspect of the present invention, and in accordance with the first aspect, the magnet is provided in a key box which is remarkably aligned with the pivot member and capable of pivoting to the united state pivot member, the magnet enabling locking If the magnet key is unlocked in a state where the key box is pivotally attached, the key box retracts the mechanical key retractably, so that the mechanical key protrudes from the key box and is inserted into the key hole in a state in which the pivoting member is pivoted so as to place the plug plate in the open position and a coupling part is provided on the body side of the cylinder, the coupling part preventing the key box becoming detached from the pivot member by engaging the key box when the mechanical key is protruded from the key box at least after the magnet lock is unlocked and the shutter plate is put in the dust open position.

According to a third aspect of the present invention, according to the second aspect, the engaging portion is provided on the side of the barrel to engage with the key case when the inner cylinder is in a locked position in order to obtain a vehicle steering lock state and the shutter plate is in the open position.

According to a fourth aspect of the present invention, according to the second or third aspect, the engaging portion is provided on the body side of the cylinder so as to engage the key case when the inner cylinder is in an ON position in order to the engine of the vehicle in an ON state.

According to a fifth aspect of the present invention, in accordance with the first aspect, the shutter mechanism, which is formed as a unit, is slidably inserted into the cylinder body in one direction along the axis of the inner cylinder while applying a thrust force. facing the inner cylinder, which is axially and movably inserted into the body of the cylinder, a magnet is provided in a key box that detachably joins with the pivot member and is capable of pivoting the pivot member in the united state. , the magnet being able to unlock the magnet lock in a state in which the key box is joined with the pivot member, and the key box retractively retains the mechanical key, so that the mechanical key It is made to protrude from the key housing and be inserted into the housing bore in a state in which the pivoting member is pivoted to place the shutter plate in the open position.

According to a sixth aspect of the present invention, in addition to the fifth aspect, a joint recess is formed in the pivot member, the key box is relatively non-rotatable but detachable with the joint recess and a projection provided projectively on the pivot member so as to form at least one part of the joining process is formed into a shape that enables projection to be held to manually operate the pivot member to move the plate. shutter position from open to closed position in a state where the magnet lock is unlocked.

According to a seventh aspect of the present invention, according to any of the first to sixth aspects, an end portion of a lever housed within a key box slidably retaining the mechanical key is pivotally supported on the key box. -ve, the mechanical key is attached to the other end of the lever and an operating handle is attached to a middle section of the lever, the operating handle being arranged in the keybox to be manually slid in a direction parallel to the direction. sliding mechanical key.

According to an eighth aspect of the present invention, and according to the seventh aspect, the mechanical key is held by the key box for sliding along a central axis of the key box formed in the lengthwise direction along the longitudinal direction of the mechanical key and the operating handle is disposed between the central shaft and a portion of one end of the lever which is pivotally supported by the keybox.

In accordance with a ninth aspect of the present invention, in addition to the eighth aspect, the lever is connected to the mechanical key in a single, relative to the central axis, which is opposite to the pivotally supported part. In the present invention, when the pivot axis pivots about the same axis as the inner cylinder pivot axis, the insertion hole provided in the pivot member so that the mechanical key can be inserted into the key hole of the inner cylinder can be fully closed by the shutter plate in response to pivoting of the pivoting member and it is therefore possible to completely close the insertion hole which communicates with the key hole of the inner cylinder and makes the shutter mechanism compact.

In accordance with the second aspect of the present invention, when the key box retractably retaining the mechanical key is joined with the pivoting member of the shutter mechanism in a state in which the mechanical key is housed, the magnet lock is locked. unlocked by the magnet provided in the key box and it is therefore possible to move the shutter plate to an open position by means of the key box; In this state, the mechanical key can be projected from the key box and inserted into the keyhole of the inner cylinder. That is, although the key box is joined with the pivot member of the shutter mechanism, the opening of the shutter mechanism and the insertion of the mechanical key into the keyhole become possible, the unlocking of the cylinder lock by the mechanical key also. It becomes possible and it is therefore unnecessary to switch the mechanical key and the key box, thereby increasing the operability. In addition, when the mechanical key is projected from the key case at least after the magnet lock is unlocked and the shutter plate is placed in an open position, as the coupling part of the coupling on the side of the Cylinder body with the key box prevents the key box from becoming detached from the pivot member, the orientation of the key box when the mechanical key is inserted into the key hole is stabilized, thereby further enhancing operability.

According to the third aspect of the present invention, since when the inner cylinder is in the locked position, the engaging portion is engaged with the key box while the shutter plate is open and the key box is connected to the cylinder lock. When a vehicle driver leaves a vehicle after achieving a steering lock state, it is necessary to detach the key lock cylinder locking box from the keybox pivoting in order to move the shutter plate to the closed position side and Shutter plate is moved into closed position without fail, thus increasing resistance against theft.

According to the fourth aspect of the present invention, in a state that the mechanical key is inserted into the key hole and the inner cylinder is pivoted to position ON1 the key box is prevented from being detached from the cylinder lock and it is possible to securely retain the inner cylinder in positionON.

According to the fifth aspect of the present invention, since when the key box that retractably holds the mechanical key is joined with the pivot member of the shutter mechanism in a state that the mechanical key is housed, the magnet lock is locked. Unlocked by the magnet provided in the key box, it becomes possible to move the shutter plate to the open position by means of the key box, and in this state, the mechanical key is projected from the key box and is inserted into the keyhole of the key box. inner cylinder. That is, in a state where the key box is joined with the pivoting member of the shutter mechanism, the open shutter mechanism and the insertion of the mechanical key into the keyhole become possible, unlocking of the locking lock. cylinder by the mechanical key also becomes possible and it is therefore unnecessary to switch the mechanical key cable and the key box, thereby increasing the operability. In addition, when the inner cylinder is driven, the key box can be driven together with the mechanical key and a push force from the front can be made to act on the inner cylinder, the key box via the shutter mechanism, increasing the operability thereof. - Age when the inner cylinder is driven.

According to the sixth aspect of the present invention, when the key box is detached from the pivot member joining recess while the shutter plate is opened, the shutter plate may be moved from the open to the closed position by performing the pivoting while holding the projection that forms at least part of the joint recess and it is therefore unnecessary to rejoin the key box with the joint recess.

In accordance with the seventh aspect of the present invention, since the operating handle is connected to an intermediate section of the wing having one end part pivotally supported by the key box and the other part connected to the mechanical key, the degree of sliding. The operating handle can be made small, thereby increasing operability.

According to the eighth aspect of the present invention, the mechanical key can be arranged on the central axis of the key box while enabling the mechanical key to slide in response to pivoting of the lever.

In addition, according to the ninth aspect of the present invention, it is possible to adjust the degree of sliding of the mechanical key to be large relative to the degree of sliding of the operating handle by adjusting the distance between a portion of the operating handle connected to the lever. and a lever portion connected to the mechanical key to be relatively large.

Brief Description of the Drawings

Figure 1 is a vertical sectional view of a cylinder lock and is a sectional view taken along line 1-1 in Figure 2 (first embodiment).

Figure 2 is a sectional view taken along line 2 - 2 in the

Figure 1 in a state where a shutter plate has closed an insertion hole (first embodiment).

Figure 3 is a view of the arrow 3 in Figure 1 in a state where a mechanical key and a magnet key are omitted (first embodiment).

Figure 4 is a detailed perspective view of a front side protection system (first embodiment).

Figure 5 is a detailed perspective view of the rear side protection system (first embodiment).

Figure 6 is a sectional view taken along line 6-6 in Figure 2 (first embodiment).

Figure 7 is an enlarged view of an essential part in Figure 1 (first embodiment).

Figure 8 is a partially detailed perspective view of a mechanical wrench and a magnet wrench (first embodiment).

Figure 9 is a sectional view corresponding to Figure 2, in a state in which the plug plate has opened the insertion hole (first embodiment).

Figure 10 is a sectional view of a cylinder lock and a key unit and is a sectional view taken along line 10-10 in Figure 11 (second embodiment)

Figure 11 is a front view from the arrow 11 in Figure 10, when the key unit is omitted in a state where a shutter plate is in a closed position (second embodiment).

Figure 12 is a sectional view in which the cylinder lock and key unit are sectioned along line 12-12 in Figure 11 (second embodiment).

Figure 13 is a sectional view in which the area around a closed state shutter mechanism is sectioned along line 13 - 13 in Figure 11 (second embodiment).

Figure 14 is a sectional view in which the area around a magnetic lock and closed shutter mechanism is selected when viewed from a direction substantially corresponding to Figure 12 (second embodiment).

Figure 15 is a detailed perspective view of the shutter mechanism (second embodiment).

Figure 16 is a sectional view taken along line 16 -16 in Figure 12 of the shutter mechanism in a locked and open state position (second embodiment).

Figure 17 is a sectional view, corresponding to Figure 16, shutter mechanism in the locked position and in the closed state (second embodiment).

Figure 18 is a sectional view taken along line 18-18 in Figure 13 (second embodiment).

Figure 19 is a detailed perspective view of the key unit.

Figure 20 is a vertical sectional view of the key unit and is a sectional view taken along line 20-20 in Figure 21 and Figure 22 (second embodiment).

Figure 21 is a sectional view taken along line 21 -21 in Figure 20 (second embodiment).

Figure 22 is a sectional view taken along line 22-22 in Figure 20 (second embodiment).

Figure 23 is a sectional view corresponding to Figure 20 in a state in which the mechanical key is projected from a key box (second embodiment).

Figure 24 is a front view of the cylinder lock in a state in which the key unit is omitted in a state in which the inner cylinder is in the locked position and the shutter plate is in the closed position (second embodiment).

Figure 25 is a view corresponding to Figure 24, in a state wherein the inner cylinder is in the locked position and the plug plate is in the open position (second embodiment).

Figure 26 is a view corresponding to Figure 24 in a state where the inner cylinder is in an OFF position and the shutter plate is in the closed position (second embodiment).

Figure 27 is a view corresponding to Figure 24, in a state wherein the inner cylinder is in the OFF position and the shutter plate is in the open position (second embodiment).

Figure 28 is a view corresponding to Figure 24, in a state wherein the inner cylinder is in the ON position (second embodiment). Explanation of Reference Numbers and Symbols11, 66 cylinder body13, 78 inner cylinder15, 81 mechanical key16, 79 key hole26,104 shutter mechanism27,107 pivoting member28,108 Shutter plate35,105 magnet lock38,106 insertion hole57,134 magnet135 keybox142 operating handle157 union recess158 projection161 coupling partC central shaft of housing of key

Best Mode for Carrying Out the Invention

Embodiments of the present invention are explained below with reference to the embodiments of the present invention shown in the accompanying drawings.

Embodiment 1

A first embodiment of the present invention is explained with reference to Figure 1 to Figure 9; first in Figure 1, a cylinder body 11 of a cylinder lock 10 of, for example, a motorcycle is mounted on a steering column (not shown) and a body cover 12 made of a non-magnetic material is mounted on a the front of the cylinder body 11, the body cover 12 covering the front of the cylinder body 11. An inner cylinder 13 is inserted into and supported on the cylinder body 11 while being resiliently propelled towards the front (left side in Figure 1), the inner cylinder 13 being capable of pivoting so as to sequentially occupy a LOCK position, an OFF position and an ON position under conditions such that it is accompanied by thrust when pivoting between the lock position and OFF position. In addition, an ignition switch (not shown) is mounted on a rear side of the cylinder body 11, the ignition switch changing its switching mode in response to cylinder pivot In addition, a locking member 14 is slidably supported on the cylinder body 11, the locking member 14 switching between allowing and preventing a tuning operation in response to pivoting of the inner cylinder 13.

The inner cylinder 13 has a key hole seated in the keyhole 16 for a legitimate mechanical key 15 to be inserted and a protector 18 having a through hole 17 communicating with the key hole 16 is disposed within a front portion of the cylinder body. 11. A plurality, for example, a pair of snap-on collars 18a and 18b, is provided with a projecting means integrally with the protector 18 so as to project radially outwardly and these snap-on collars 18a and 18b are interposed between one another. annular step 19 provided on the cylinder body 11 so as to face forward and a ring plate 20 secured to the front end of the cylinder body 11. That is, the guard 18 is supported on the cylinder body 11 so that it can pivot around pivot of the legitimate key 15 inserted from the through hole 17 into the key hole 16 causes the protector 18 to pivot along with the inner cylinder 13, but when the push operation by the mechanical key Once this is done, the inner cylinder 13 is driven inward, leaving the guard 18 behind.

Locking grooves 21 and 22 are provided in the portions of the annular de-grade 19 corresponding to the locking collars 18a and 18b in the locking position and when anything other than the legitimate mechanical key 15 such as a bolt key is forced forcefully into the through hole 17. From protector 18, the engagement collars 18a and 18b engage with corresponding locking grooves 21 and 22, thus preventing the protector 18 from post-voting. In addition, a coil spring 23 is provided in a compressed state between the coupling collars 18a and 18b of protector 18 and the inner cylinder 13 and this spring 34 pushes protector 18 so that protector 18 does not follow. inner cylinder 13 and moves in the axial direction when the inner cylinder 13 is driven by the legitimate mechanical key 15 in the lock position or OFF position.

The body cover 12 is integrally provided with a cover portion of the cylindrical shield 12a surrounding the shield 18 and this shield portion 12a also covers a portion of the ring plate 20 which is secured to the cylinder body 11.

An axially extending engaging groove 24 is provided on an inner face of the cylinder body 11 and a plurality of vaulters 25 are disposed in the inner cylinder 13, the vaulters 25 being driven resiliently in a direction leading them into engagement with the grooves. however, the vaulters 25 disengaging from the engaging groove 24 in response to the insertion of the legitimate mechanical key 15 into the key hole 16.

Referring in addition to Figure 2 to Figure 5, the cylinder lock 10 is equipped with a shutter mechanism 26 which, when a magnet lock 35 is unlocked, can switch between a state where the insertion of the mechanical key 15 into the key hole 15 of the inner cylinder 13 is allowed a state in which the insertion of the mechanical key 15 in the key hole 16 is prevented. This shutter mechanism 26 includes a pivot member 27 and a shutter plate 28, pivot member 27 having an insert hole 38 allowing the mechanical key 15 to be inserted into the keyhole 16 of the inner cylinder 13 and pivot about the same axis. that the inner cylinder axle pivot 13 in response to a pivoting operation, when the magnet lock 35 is unlocked, the shutter plate 28 is operatively connected to the pivot member 27 so that it moves between a position where the hole The insertion hole 38 is opened and a position where the insertion hole 38 is fully closed in response to the pivoting of the pivoting member 27 and the pivoting member 27 and the obturator plate 28 being housed in a housing 29 mounted on the body cover12 .

The housing 29 is formed from a housing portion 30 integrally connected to the housing portion of the guard 12a of the body housing 12 and a housing 31 made of a non-magnetic material and secured to the housing portion 30 by a plurality, e.g. pair of screw members 32 and 32.

The cover 31 integrally has a flat plate portion 31a facing the housing portion 30 and a side plate portion 31b connected at right angles to the entire peripheral edge of the plate portion 31a.

A circular through hole 33 is provided in a central part of the housing part 30 to correspond to the protector insertion hole 17 and a support hole 34 is provided in a central part of the flat plate portion 31a of the housing. 31, the support hole 34 being coaxial with the through hole 33 and having a larger diameter than that of the through hole 33.

The pivot member 27 integrally has a base portion of the pivot member 27a, a tubular joint portion 27b, an outer peripheral side tubular support portion 27c, an inner peripheral side tubular support portion 27d, a restraint projection. 27e, an arc portion 27f, a connector portion 27g, and an operating shaft portion 27h, the base portion of the pivot member 27a is formed into a flat ring shape to have a larger diameter than that of the support hole 34 provided on the cover 31 and being slidably in contact with the inner face of the flat plate portion 31a of the cover area around the support hole 34, the tubular joint portion 27b protruding from the base portion of the pivot member 27a to pivotably abut the support bore 34, the tubular support portion of the outer peripheral side 27c projecting in an opposite direction to the tubular joint portion 27b so as to be c at right angles to the peripheral edge of the base portion of the pivot member 27a, inner peripheral side tubular support portion 27d projecting in the opposite direction to the tubular joint portion 27b so as to be angled at the inner peripheral edge of the pivot member base portion 27a, restriction design 27e projecting radially outwardly from the outer periphery of the pivot member 27a, the arc portion 27f being positioned to be spaced outwardly from the outer periphery of the base portion of the pivot member. pivot member 27a on the opposite side of the restraint projection 27e, the connection portion 27g providing a connection between the inner peripheral side tubular support portion 27d, the peripheral dolphin support bracket portion 27c and the arc portion 27f and the shaft portion 27h protruding from the arc portion 27f to the cover side 31 and the faces of the perpendicular tubular support portion 27c external spherical tube, the inner peripheral side tubular support portion 27d, the arc portion 27f and the connecting portion 27g turning toward the housing portion 30 are formed so as to be leveled. Moreover, a hole cover 37 is fitted in a central area of the base portion of the pivot member 27a, hole cover 37 defining the insertion hole 38.

In addition, the flat plate portion 31a of the cover 31 is provided with a long arc-shaped hole 39, the operating shaft portion 27h of the pivot member 27 running through the long hole 39 to protrude out of the plate portion flat 31a. When the magnet lock 35 is unlocked, by retaining and operating the operating shaft portion 27h the pivot member 27 hinges in a predetermined range of, for example, 25 degrees and the long hole 39 is formed to allow the member to lock. pivoting 27 and the operating shaft portion 27h pivoting in the aforementioned range.

A restraint projection face 27e of the pivot member 27 which is opposite the flat plate portion 31a of the cover 31 is adjusted in an indented position from the end of the tubular joint portions 27b and a joint recess 40 is provided on the inner face of the flat plate portion 31a in order to communicate with the support hole 34, the restriction projection 27e pivotably joining with the joint recess 40.

The housing part 30 of housing 29 has a flat plate portion 30a, a joint support portion 30b, a rectangular forming portion 30c, protruding portions 30d and 30e, projection portions 30f and 30g, a guide projection 30h, and a projection. 30j, the flat plate portion 30a having a through hole 33 provided in its central area, the joint support portion 30b being formed in an arc-shaped manner to protrude from the flat plate portion 30a, so that the tubular bearing portion of the outer periphery 27c of the pivot member joins the pivotable diode thereon and the pivot member base portion 27a of the pivot member 27 slips in contact therewith, the frame portion 30c extending in one direction through the radius of the through hole 33 and projecting from the flat plate portion 30a so as to form between itself and the flat plate portion 30a, a guide recess 41 allowing the obturator plate 28 to be displaced. similarly joined together along the radial direction of the through hole 33, the protruding portions 30d and 30e projecting from opposite sides of the frame portion 30 into the union support portion 30b and being connected flush with the frame portion 30c, the projection portions 30f and 30g being arc-shaped coaxially with the joint support portion 30b, which is arc-shaped and protruding from the projecting portions 30d and 30e, the guide projection 30h being formed in an arc-shaped shape. outside the joint support portion 30b and frame portion 30c so as to be sliding contact with the arc portion 27f of the pivot member 27 and projecting from the flat plate portion 30a and projection 30j projecting radially outwardly. from the outer periphery of the union support portion 30a in a section corresponding to the restriction projection 27 and the pivot member 27.

Rings 42 and 43 are fitted at projection portions 30f and 30g and these O-rings 42 and 43 are interposed between the projecting portions 30d and 30e of the housing portion 30 and the main portion of the pivoting member 27a of the pivoting member 27. .

Referring in addition to Figure 6, the triangularly cut engaging recesses 44 and 45 are provided on one face of the restraining projection 27e on the side of the box portion 30 so as to be spaced at the peripheral direction of the pivot member 27. The projection 30j of the The lower portion 30 is provided with a bottom-seated spring housing bore 46 that opens on the side of the restraint projection 27e and a coil-shaped spring 47 is housed in the spring housing bore 46, a spring end 47 adjacent against the end. Moreover, in order to ensure the extension of the spring housing bore 46, a projection 30k extending in an opposite direction to the cover 31 is projectedly provided in one section, correspondingly to one another. spring housing bore 46 of flat plate portion 30 of lower portion 30.

A click ball 48, which can switch between a state where it is housed within the spring housing bore 46 and a state in which substantially one half selectively engages with one of the engaging recesses 44 and 45 and the remainder, substantially one half. , it engages with the adjacent spring housing bore 46 against the other end of the spring 47 and the pivot member 27 pivots in a staggered manner between a position in which substantially one half of the click ball 48 is engaged with each other. one of an en-gate recess 44 and spring housing bore 46 in a state in which the insertion of the mechanical key 15 into the key hole 16 is provided and a position in which substantially one half of the click ball 48 is engaged with one of the another engaging recess 45 and spring housing bore 46 in a state where insertion of the mechanical key 15 into the key hole 15 is permitted.

In Figure 7, the magnet lock 35 is provided between the main portion of the pivot member 27a of the pivot member 27 and the projection portions 30f and 30g of the box portion 30, the projection portions 30f and 30 are provided with two sets of three. symmetrically positioned bottom sliding holes 49 relative to the axis of the through hole 33 to open on the side of the main portion of the pivot member 27a and the face of the main portion of the pivot member 27a opposite the box part 30 is provided with two sets of three hitch recesses 50 so as to correspond respectively with the sliding holes 49 in a state in which substantially one half of the click ball 48 is engaged with each of the hitch recess 44 and with the spring housing bore1

46 to prevent the insertion of the mechanical key 15 into the key hole 15. In addition, the spacing between each set of sliding holes 49 as well as the spacing between each set of hitch recesses 50 is adjusted to be larger than the range. for example 25 degrees of pivot member 27.

The rod-shaped magnets 51 are slidably joined with sliding holes 49 selected from sliding holes 49, in this embodiment, two sliding holes 49 of each set, so that the arrangement of the magnetic poles is in an appropriate combination and the springs52 for biasing the magnets 51 to the side on which they protrude projecting portions 30f and 30g are arranged between the closed ends of the sliding holes 49 and the magnets 51.

Some of the magnets 51 engage with corresponding engagement recesses 50 between the crevices 50 on the side of the pivoting member 27 in a state in which substantially half of the declining ball 48 is engaged with each of the recess 44 and the spring housing bore 46 and in this state, pivoting of the pivoting member 27 is prevented.

A magnet key 55 for locking and unlocking the magnet lock 35 is provided on a part of the cable 54 formed of a synthetic resin to cover a part of the mechanical key 15 as shown in Figure 8 and a number of magnet-shaped magnets. rod 57 corresponding to the number of magnets 51 of magnet lock 35 are retained in a joint part 56 formed integrally with the cable part 54.

The coupling part 56 is formed in a basically rectangular shape having outer faces at longitudinally opposite ends curved to correspond to the inner periphery of the tubular joint portion 27b of the pivot member 27 and positioning projections56a and 56b are provided with integrally projecting mode with the external faces at the longitudinally opposite ends of the coupling part 56, a positioning projection 56a being formed larger than the other positioning projection 56b.The tubular joint portion 27b of the pivot member 27 is provided with a notch 63 and a recess 64, the positioning projection56a being joined with the notch 63 and the other positioning projection56b being joined with the recess 64; Joining the positioning projections 56a and 56b with the notch 63 and recess 64 enables the joining portion56 to be positioned and joined within the tubular joining portion 27b.

A pair of arc-shaped recesses 58 and 58 are provided on one face of the joint portion 56 opposite the pivot member 27 and housing recesses 59, respectively, corresponding to the two sets of three coupling recesses 51 provided on the pivot member. 27 are provided in the coupling part 56 so that they open in the recesses 58.

Between the housing recesses 59, the magnets 57 are housed in the housing recesses 59 in the positions corresponding to the magnets 51 arranged in the housing portion 30. Open ends of the two recesses 58 are closed by the locking plates 60 made of a non-magnetic material and secured. in the joining part 56.

The magnets 57 disposed in the coupling part 56 are housed in the housing recesses 59 so that the same magnetic pole as that of the pivoting member side 27 of the magnets 51 on the housing part side 30 is positioned on the side of the housing member. 27, and when the legitimate magnet key 55 is positioned and joined with the tubular joining portion 27a of the pivoting member 27, the repulsive face between the magnetic magnetic poles drives the magnets 51 on the side of the housing portion 30 for the sliding struts 49, such that they move away from the engagement recesses 50 against the spring force of the springs 52, thereby allowing pivoting of the pivoting member 27.

A snap projection 61 is projectively provided on the shutter plate 28 slidably joined with the guide recess 41 of the housing 30, the snap projection 61 extending toward the side of the pivot member 27 and engaging with a guide hole The arc-shaped shaft 62 provided in the connecting portion 27g of the pivot member 27. Therefore, when the pivot member 27 rotates in a state in which pivot of the pivot member 27 is allowed, the shutter plate 28 slips into the seat as follows. pivoting the pivoting member 27, and may slide between a state where, when the magnet lock 35 is in a locked state, the shutter plate 28 is in a closed position where the insertion hole 38 of the pivoting member 27 is fully closed to protect the cylinder lock 10 (the state in Figure 2) and a state in which, as shown in Figure 9, the shutter plate 28 is in an open position where the insertion hole 38 of the locking member pivoting 27 is the The insertion of the mechanical key 15 into the key hole 16 of the cylinder lock 10 is permissible.

The operation of the first embodiment is explained below. Shutter mechanism 26 for protecting cylinder lock 10 has an insert hole 38 to allow the mechanical key 25 to be inserted into key hole 16 of inner cylinder 13 of cylinder lock 10 and also includes pivoting member 27 pivoting therein axis that the inner cylinder pivot axis 13 in response to a pivoting operation, when the magnet lock 35 is unlocked and the shutter plate 28 operatively connected to the pivoting member 27 so that it moves between the position in that the insertion hole 38 is open and the position in which the insertion hole 38 is fully closed in response to pivoting of the pivoting member 27.

That is, the pivot member 27 hinges about the same axis as the pivot axis of the inner cylinder 13 and once the insertion hole38 of the pivot member 27 can be fully closed by the shutter plate 28 in response to pivot. From the pivot member 27, it is possible to completely close the insertion hole 38, which communicates with the keyhole 16 of the inner cylinder 13 and makes the shutter mechanism 26 compact.

Embodiment 2

A second embodiment of the present invention is explained with reference to Figure 10 to Figure 28; first, in Figure 10 to Figure 12, a cylinder body 66 of a cylinder lock 65 is mounted on a steering column (not shown) of, for example, a motorcycle, a front end portion (left end portions). Fig. 10 and Figure 12) of the cylinder body 66 is provided integrally with a cylindrical portion of the forward opening 66a and radially and externally projecting collar portions 66b and 66b are projectively provided integrally in a plurality. of, for example, two positions spaced peripherally in the outer periphery of a rear portion of cylindrical portion 66a. The front end portion of the cylinder body 66, i.e. the cylindrical portion 66a, is covered by a cylindrical body cover 67 having at its front ends an inward collar portion 67a projecting radially inwardly from the front end cylindrical portion 66a, collar portions 67b and 67b which are at a rear end portion of body cover 67 are mounted on the two collar portions 66b of cylinder body 66 by bolt members 68 and 68 and a circular opening 69 having a diameter smaller than that of cylindrical portion 66a is coaxial with cylindrical portion 66a and is formed in the inner peripheral edge of the inward collar portion 67a at the front end of the body cover 67.

Referring further to Figure 13 and Figure 14, first to third holes 71 to 73 are coaxially provided in a front portion of barrel 66, the first to third holes 71 to 73 reducing in diameter by stepped axially inwards and a the inner cylinder portion 78a of an inner cylinder 78 is fitted in the third bore 73 so that it can slide axially and pivot about the axis. As clearly shown in Figure 11, this inner cylinder 78 is inserted into and supported by the cylinder body 66 so that it can pivot so as to subsequently occupy a locked position P1, an OFF position P2 and an ONP4 position under conditions such that when pivoting between locked position P1 and affixing OFF P2, this is accompanied by the thrust and the thrust can be performed in a sealing lock release position P3 set at a mid section between the OFF position P2 and the ON position P4.

Inner cylinder portion 78a of inner cylinder 78 is provided with a bottom-seated key hole 79 having a rectangular cross-section with its open front end and its rear end portion closed. An axially extending engaging groove 80 is provided on an inner face of the third bore 73 of the cylinder body 66 and a plurality of turns 82 is disposed on the inner cylinder portion 78a of the inner cylinder 78 while being resiliently driven in. in a direction which is coupling with the engagement grooves 80, the turns 82 disengaging the engagement grooves 80 in response to the insertion of a right-hand mechanical key 81 into the key hole 79 when the inner cylinder 78 is in the locked position P1 or the position OFF P2 .

A front portion of the inner cylinder 78 is equipped with a cover 99 made of a high hardness material such that an open portion at the front end of the keyhole 79 is not closed. In addition, a collar portion 78e is projectively provided integrally with a front portion of the inner cylinder 78 so as to radially project outwardly, the collar portion 78e being inserted into the second bore 72 while turning from the front of a annular receiver step 74 formed in the cylinder body 66 between the second hole 72 and the third hole 73 so as to face forward.

In addition, a projection 78f connected to the collar portion 78 behind is projectively provided on the outer periphery of a front portion of the inner cylinder 78, and this projection 78f engages with the inlet gate groove 80 of the body. 66 when the inner cylinder 78 in the lock position P1 is forcibly driven by invalid means, thereby preventing the overturning of the inner cylinder 78.

Referring again to Figure 10 and Figure 12, a connecting shaft portion 78b is provided integrally with the rear end of the internal cylinder 78. A switch housing 84 of an ignition switch 83 is mounted to a rear portion of cylinder body 66 and the connecting shaft portion 78b is relatively non-rotatable but axially slidably joined with a tubular connecting portion 85a provided integrally with a contact retainer 85 of the ignition switch 83. A spiral shaped spring 87 is provided in a compressed state between contacting retainer 85 and a retainer 86 mounted on the coupling shaft portion 78b, the spring 87 surrounding the tubular connecting portion 85a and the connecting shaft portion 78b and the connecting shaft portion 78b, i.e. inner cylinder 78, being resiliently pushed forward (left in Figure 10 and Figure 12). In addition, a click mechanism 88 for communicating a sense of restraint for pivoting of the contact retainer 85 in response to pivoting of the inner cylinder 78 is provided between the cylinder body 66 and the contact retainer 85.

A median section of a lever 90 is pivotally supported on cylinder body 66 in front of the ignition switch 83 via a support shaft 89 having an axis that is parallel to a plane containing the inner cylinder axle 78. A passenger seat is mounted on a motorcycle vehicle body in a manner in which it is open and closed, the passenger seat permitting a state for a passenger to be seated to be held by a seat locking mechanism and a cable 91 to release a locked state from the seat. The seat-locking mechanism in response to the application of a pulling force is connected to one end of lever 90. In addition, a thrust arm portion 78c is provided integrally with the inner cylinder 78, the thrust arm portion 78c being capable exert a pushing force on the other end of lever 90 in response to the thrust of inner cylinder 78 in the lock release position. seat P3 and, when inner cylinder 78 in the seat lock release position P3 is pushed, lever 90 is pivoted in the right direction in Figure 12 by means of thrust arm portion 78c, thereby pulling cable 91 and thus releasing it. the locked state of the seat lock mechanism.

A locking pin 93 is supported on the cylinder body 66 in front of the thrust arm portion 78c, the locking pin 93 being able to slide within a plane perpendicular to the axis of the inner cylinder 78 and a return spring 94 is provided. in a compressed state between the locking pin 93 and the cylinder body 66, the return spring 94 exhibiting a resilient force that pushes the locking pin 93 to the side on which it is extended to the cylinder body 66. In addition In addition, the locking pin 93 is connected to the inner cylinder 78 so as to toggle between permitting and preventing a pivoting operation in response to pivoting of the inner cylinder 78.

That is, the locking pin 93 is equipped with a connecting member 96 having a connecting hole 95, whereby a crank portion 78d that is integral with the inner cylinder 78 is inserted and the locking pin 93 slips accompanying the pivot. inner cylinder 78 between locked positionP1 and OFF position P2. When inner cylinder 78 is in locked position P1, lock pin 93 is in a projection position to prevent rotation, but when inner cylinder 78 is in OFFP2 position, lock pin 93 moves backward. in order to allow the degiro operation.

Referring further to Figure 11 to Figure 17, a shutter mechanism 104 is disposed within a front portion of the cylinder body 66, the shutter mechanism 104 being capable of switching, when a magnet lock 105 is unlocked, between a state wherein the insertion of the mechanical key 81 into the keyhole 79 of the inner cylinder 78 is permitted and a state wherein the insertion of the mechanical key 81 into the keyhole 79 is prevented.

This shutter mechanism 104 includes a pivot member 107, a shutter plate 108, a retainer 109 and a bezel 110, the pivot member 107 having an insertion hole 106 to allow insertion of the mechanical key 81 into the bore. inner cylinder key 79 and pivoting about the same axis as the inner cylinder pivot axis 78 in response to a pivoting operation, when the magnet lock 105 is unlocked, the shutter plate 108 being operably connected to the pivot member 107 so as to move between a position where the insertion hole 106 is opened in response to pivoting of the pivot member 107 and a position where the insertion hole 106 is fully closed, the retainer 109 having at its center section a through hole 111 having a rectangular cross-section corresponding to the keyhole 79 of the inner cylinder 78 and supporting the baffle plate 108, ring member 110 interleaving retainer I09 therebetween. itself is the pivoting member 107 and the shutter mechanism 104 being housed in the first bore 71 of the cylinder body 66 in front of the inner cylinder 78.

The pivot member 107 integrally has a disk-shaped pivot member 107a, a large diameter tubular joint portion 107b, a small diameter tubular joint portion107d and a thin cylindrical portion 107e, the large diameter tubular joint portion. 107b being formed in a cylindrical shape, so that axially intermediate suction is connected at right angles to the outer periphery of the main portion of the pivot member 107a and being unitably with the first bore 71 of the front of the cylinder body66, the tubular joint portion 107d small in diameter and coaxially connected to the inner periphery at the front end of the large diameter tubular joint portion 107b while forming between it and the front end of the large diameter tubular joint portion 107b an annular restraint step 107c capable of against the portion of the inward collar 67a at end f of the body cover 67 being slidably joined with the in-collar portion 67a and thin cylindrical brace 107e being connected flush and coaxial to the outer peripheral at the rear end of the large diameter tubular joint portion 107b while forming between it and the rear end of the large diameter tubular joint portion 107b, an annular step 107f.

In addition, a cylindrical tubular portion 107g and a guide portion 107h are projectively provided integrally with a rear face of the main pivot member 107a of the pivot member 107, the cylindrical tubular portion 107g forming the bore. insertion 106e the guide portion 107h having its inner end connected to the tubular portion 107g extending to the outer peripheral side of the main portion of the pivot member 107a and forming a guide groove groove 112.

The thin cylindrical portion is joined by crimping into an outer peripheral portion of the ring plate 110 that engages against step 107f of the pivot member 107 and the ring plate 110 is fixed to the pivot member107. In addition, the retainer 109 supporting the plug plate 108 is disposed between the main portion of the pivot member 107a of the pivot member 107 and ring plate 110 and housed in a rear portion of the large diameter tubular joint portion. 107b and is capable of pivoting relative to the pivoting member 107.

Retainer 109 integrally has a disc portion 109a and a pair of engaging leg portions 109b, the disc portion 109a has a through hole 111 provided in its central section and is slidably connected to the rear of the disc portion. large diameter tubular joint 107b so as to face the main pivot member portion 107a of the pivot member 107 from the trawler and the crotch leg portions 109b being angled to the outer periphery of the disc portion 109a in two positions spaced in the peripheral direction of the disc portion 109a and running through the ring plate 110 to extend to the side of the inner cylinder 78.

The disc portion 109a faces from the front against the counter 99 mounted on the collar portion 78e of the inner cylinder 78 and the two coupling leg portions 109b are inserted into and engaged with the notches 77 provided in the portion of collar 78e on the front of inner cylinder 78 as shown in Figure 18. Therefore, pivoting of bracket 109 is prevented in a state in which pivoting of inner cylinder 78 is prevented by turners 82 engaging with engaging groove 80 of cylinder body 66.

That is, the shutter mechanism 104 is made as a unit in which the retainer 109 supporting the shutter plate 108 is housed between pivot member 107 and the ring plate 110 attached to the pivot member 107 and the shutter mechanism 104. thus joined is inserted into the cylinder body 66 so that it can slide in one direction along the inner cylinder axis 78 while applying a biasing force to the inner cylinder 78 from the front. The plug plate 108 is disposed between the insertion hole 106 of the cylinder member. pivot 107 and through hole 111, a guide recess 113 which allows the shutter plate 108 to be slidably joined as even along a radial direction of the insert hole 106 is provided with a front side of the disc portion 109a to have its inner end portion disposed in a substantially central portion of the disc portion 109a and its outer end portion opening for external periphery of the portion 109a and through hole 111 is disposed in a portion of the inner end of guide recess 113.

A coupling shaft 114 projecting to the side of the pivoting member 107 is projectively provided on the shutter plate 108 disposably coupled with the guide recess 113 of the rector 109 and the coupling shaft 114 engages with the coupling shaft. arc-shaped guide groove 112 formed within the connecting portion 107h of the pivot member 107. When the pivot member 107 pivots in a state in which the retainer 109 is in a stationary position and pivotage of the pivot member 107 is allowed, the shutter plate 108 follows pivoting of the pivoting member 107 and sliding into the guide recess 113; shutter plate 108 may slide between a closed position (the position shown in Figure 17) wherein the insertion hole 106 of the pivot member 107 is fully closed thereby preventing insertion of the mechanical key 81 into the keyhole 79 when magnet lock 105 is in the locked state and an open position (the position shown in Figure 16) corresponding to the pivot of the pivot member 107 when the magnet lock 105 is in the unlocked state and the insertion hole I06 is open permitting the insertion of the mechanical key 81 into the keyhole 79 when the obturator plate I08 is in the open position.

A spring 115 is provided in a compressed state between the retainer 109 and the cylinder body 66 and in a state in which no external force is being applied to the front shutter mechanism 104, the shutter mechanism 104 is in a forward position. wherein the restraining step 107c at the front end of the large diameter tubular joint portion 107b of the pivot member 107 is against the inwardly glued portion 11a at the front end of the body cover 117.

A front end portion of the inner cylinder 78 is provided with a cover 116 which can slide between a position where the front end of the keyhole 79 is closed and a position where the front end of the keyhole 79 is opened and a spring 117 is provided in a compressed state between the cover 116 and the inner cylinder 78, the spring 117 pushing the cover 116 in a direction that closes the front end of the keyhole 79. A portion of the inner end of the cover 116 is provided with a inclined face 116a causing the cover 116 to slide in a direction that opens the key hole 79 by being driven with the end of the mechanical key 81.

Referring again to Figure 11, the shutter plate 108 is in a closed PS position when the pivot member 107 is pivoted in an opposite direction to the OFF position P2 by an angle at, for example, 27 degrees from the open position PO at one. state in which the insertion hole 106 is opened when the inner cylinder 78 and the retainer 109 are in the locked position P1 and when the open position PO is set as when the cylinder 78 is in the OFF position P2, the shutter plate108 is in the closed position OS when pivot member 107 is engaged in a direction opposite to position ON P4 by an angle α from the open deposition PO.

In addition, a projection 109c projecting towards the main portion side of the pivot member 107a of the pivot member 107 is projectively provided on the disc portion 109a of the retainer 109 outside the closed end of the guide recess 113; This projection 109c is provided with a bottom-seated spring housing bore 121 that is opposite the main portion of the pivot member 107a and a coil-shaped spring 122 having a projecting end against the closed end of the housing bore. spring 121 is housed in the spring housing bore 121. The triangular cut-out engagement recesses123 and 124 are provided on one face of the main portion of the biasing member 107a opposite the projection 109c so that they are spaced in the direction peripheral position of the pivot member 107 at the positions shown in Figure 16 and Figure 17. In addition, a click ball 125 is directed against the other end of the spring 122, the click ball 125 being able to switch between a a state in which it is housed within the damola housing bore 121 and a state in which substantially one half selectively engages one of the engaging recesses 123 and 124 and the remainder substantially one half engages. and with spring housing bore 121. A hitch recess 123 of the two hitch recesses 123 and

124 is in a position in which substantially one half of click ball 125 engages with it when pivot member 107 is in the closed position OS and the other crimp recess 124 is in a position wherein substantially one half of click ball 125 It is engaged with it when the pivot member 107 is in the open position PO, the pivot member 107 thus pivots in a stepped manner between the closed position OS and the open position PO.

In addition, the disc portion 109a of retainer 109 is provided fully with a restraint projection 109d that projects radially outwardly at a position corresponding to the open end of the guide recess 113 and this restraint projection 109d is inserted into a position. notch126 provided at the rear end of the large diameter tubular union portion 107b of the pivot member 107. A relative pivot band between the pivot member 107 and retainer 109 is therefore constrained by a band within which the constraint projection 109d may be it moves within the notch 126 and the pivot member 107 does not rotate with a large strip that goes beyond the closed position OS or open position PO relative to retainer 109.

Furthermore, a pair of projecting portions 109e and 109f are integrally provided with the disc portion 109a of the holder 109 on opposite sides of the guide recess 113, the projecting portions 109e and 109f protruding from the disc portion 109a. being in the neighbor and back-apart main portion of the pivot member 107a and a magnet lock 105 is provided between the main portion of pivot member 107a and pivot member 107 and two projection portions 109e and 109f.

A pair of bottom-seated sliding holes 127 opening on the side of the main portion of the pivot member 107a are provided with each of the projecting portions 109e and 109f in positions which are symmetrical relative to the center of retainer 109 and two pairs of recesses. The engaging portions 128 are provided on the side of the main portion of the pivoting member 107a that faces the projecting portions 109e and 109f, the engaging recesses 128 individually corresponding to each of the sliders 127 when the shutter mechanism 104 is engaged. in the closed state in which the insertion of the mechanical key 81 into the key hole 79 is prevented. A gap between each pair of sliding holes 127 and a recessed gap pair of hitch recesses 128 are adjusted to be larger than the pivot range, for example 27 degrees, of the pivot member 107.

Still further, the O-rings 129 and 130 are fitted in all projection portions 109e and 109f to surround the portions where the sliding holes 127 are disposed, and these O-rings 129 and 130 are interposed between the projection portions 109e and 109f and the main portion of the pivot member 107a of the pivot member 107.

The rod-shaped magnets 131 are slidably joined with the sliding holes 127 selected from the sliding holes 127, one of the pair of sliding holes 127 provided in one of the projecting portions109e and both of the pair of sliding holes 127 provided in the other projecting portion 109f in these embodiments, In order to give a suitable combination of magnetic poles and springs 132 are arranged between the closed ends of the sliding holes 129 and magnets 131, the springs 132 which urge the respective magnets 131 to project from the projecting portions 109 and 109f.

When the shutter mechanism 104 is in a closed state in which communication between the insertion hole 106 and the through hole 48 is severed by the shutter plate 108, some of the magnets 131 engage with corresponding engagement recesses. 128 between the engaging recesses 128 on the side of the pivot member 107 and in this state, pivot of the pivot member 107 relative to support 109 is prevented.

Referring further to Figures 19 to 22, the magnet locking and unlocking magnets 134 of the magnet lock 105 are provided in the key box 135 which removably connects with the pivot member 107 and which is capable of pivoting the pivot member 107 in the state. attached to a key unit 136 is formed of this key box 135 and the mechanical key 81, which is retractably retained by the key box 135.

The key box 135 is formed as a long sheath along the longitudinal direction of the mechanical key 81 by joining first and second housing members made of synthetic resin 138 and 139 together, so that the whole of the mechanical key 81 can be housed therein and the mechanical key 81 is slidably retained between the first and second limbs 138 and 89.

A wall portion 140 is provided at right angles to and integrally with one end of the first housing member 138 to cover one end of the second housing member 139, the portion of the wall 140 acting as an end wall opposite the cylinder lock. 115, of key box 135. Mechanical key 81 is retained by key box 135, which is long along the longitudinal direction of key 81, so that it can slide along a central axis C of key box 135 and a hole Rectangular bypass 141 through which the mechanical key 81 may project and retract is provided in a central section of the wall portion 140 on the central axis C1 with the mechanical key 81 being able to be inserted through the bypass hole 141.

The key box 135 houses a pivot lever 142 supported on a support shaft 143 provided on the first housing member 138 of the key housing 135, the lever 142 being disposed between the mechanical key 81 and the first housing member 138. The mechanical key 81 is connected to the other end of the lever 142 on the opposite side of the support shaft 143 relative to the central axis C and a connection pin 145 is inserted through and engaged with an oblong connection hole 144 provided at the other end of the lever 142, the connection pin 145 being inserted into the mechanical key 81 of the second housing member 139.

A portion of the end of the connecting pin 145 protruding from lever 142 is inserted into a guide groove 146 provided on an inner face of the first housing member 138 and guide groove 146 is formed to extend longitudinally along the axis. keyway C of the keybox 135. In response to lever 142 pivoting about the geometric axis of the support shaft 143, the connector pin 145 moves along the guide tab 146 while changing its position within the connection hole144 of the bracket. lever 142; As shown in Figure 20, when the connector pin 145 is positioned at an end portion of the hollow guide groove 146 opposite the wall portion 140, the mechanical key is housed within the key box 135, and, as shown in Figure 23, when the connector pin 145 is positioned at a portion of the end of the nipple guide groove 146 of the wall portion 140, the mechanical key 81 protrudes from the keybox 135.

An operating handle 147 is connected to an intermediate section of lever 142, the operating handle 147 being disposed in the key case 135 so that it can be manually slid in a direction parallel to the direction of sliding of the mechanical switch 81, and, this operating handle 147 is disposed between the central axis C of the keybox 135 and a lever end portion 142 pivotally supported on the keybox 135, i.e. the support shaft 143 and slidably abutting with the outer face of the first limb lowering 138;

A guide bore 148 is provided in the first housing member 138 between the support shaft 143 and the central axis C so as to open on the side opposite the wall portion 140 and extend parallel to the central axis Ceosecond housing member 139 is integrally provided with a lid portion 139a which is inserted into the guide bore 148 to close the open end of the guide bore 148 when joining the first housing member 138.

The operating handle 147 is integrally provided with a base portion of a connecting shaft 149 which runs through the guide hole148. Joining grooves 150 and 150 are provided on opposite sides of the base portion of the connecting shaft 149, the first housing member 138 is joined with joining grooves 150 and 150 on opposite sides of the guide bore 148, and joining the first member 138 with two connecting grooves 150 allows the operating handle 417 to be arranged in the key box 135 so that it can slide along the central axis C.

An oblong connecting hole 151 is provided in an in-middle section of lever 142, connecting shaft 149 being inserted into connecting hole 151, and sliding of operating handle 147 causes wing van 142 to pivot between. the position shown in Figure 20 and the position shown in Figure 23.

A bottom-seated spring housing bore 152 opening on the side of the second housing member 139 is provided on the connecting shaft149 and a spiral-shaped spring 153 having an end against the closed end of the housing bore. Spring 152 is housed in spring housing bore 152. Triangularly cut coupling recesses 154 and 155 are provided on one face of the second lower member 139 opposite connection shaft 149 so that the sliding direction of operating handle 147 is spaced apart. In addition, a click ball 156 is directed against the other end of the spring 152, the click ball 156 being capable of switching between a state in which it is housed within the housing bore. spring 152 and a state in which substantially one half of it selectively engages with one of the engagement needs 154 and 155 and the remainder substantially one half engages with spring housing bore 152.

A engagement recess 104 of the two engagement recesses 154 e105 is arranged in a position in which substantially one half of the click ball 156 engages with it when the operating handle 147 is in the position where the mechanical key 81 is engaged. housed within the key box 135 and the other engagement recess 155 is arranged in a position in which substantially one half of the click ball 156 engages with it when the operating handle 147 is in the position where the mechanical key 81 protrudes from the keybox 135, the operating handle 147 thereby sliding in a staggered manner between the position where the mechanical key 81 is housed within the keybox135 and the position in which the mechanical key 81 protrudes. from the key box135.

A joint recess 157 is formed on an outer face of the main portion of the pivot member 107a of the pivot member107 forming part of the shutter mechanism 104, a portion of the end of the key housing 135 including the wall portion 140 being referred to. not pivotable but remarkably joined with the joint recess 157. This joint recess 157 is formed of a pair of projections 158 e158 and part of the small diameter tubular joint portion 107d so as to have a substantially rectangular cross section corresponding to the section. projections 158 and 158 being projectively protruded integrally with an outer face of the main portion of the pivot member 107a on opposite sides of the insert hole 106 while extending parallel to each other of an insert bore diameter 106 and having opposite ends integrally connected to an inner face of the tubular joint portion small diameter household 107d and at least a portion of the joint recess 157, in this embodiment the projections 158 projectively provided on the pivot member 107 while forming part of the joint recess 157, is formed into a shape which enables it to be held in order manually operating the pivoting member 107 so as to move the shutter plate 108 from the open position to the closed position in a state in which the magnet lock 105 is unlocked.

The magnets 134 are disposed at one end of the key box 135, i.e. the wall portion 140 and are joined with a wall portion 140 at the positions corresponding to the arrangement of the magnet lock magnet 131 and films 159 made of non-magnetic material for maintaining the state of the magnets 134 joining with the wall portion 140 are affixed to the wall portion 140.

The magnets 134 are arranged on the wall portion 140 so that the same magnetic poles as the magnetic poles on the keybox side 135 of the magnets 131 of the magnet lock 105 are disposed on the magnet side 105; when the key box 135 is relatively non-pivotally joined with the joint recess 157 of the pivot member107 while the shutter mechanism 104 is in a closed state, magnets 134 are in close proximity to magnets 131, which are engaged. with the recess 128 in the magnet lock 105 and as a result, due to the repulsive force between identical magnetic poles, the magnets 131 on the magnet side of the magnet 105 are pushed into the sliding holes 127 so as to be detached from the counter recess 128 against the force. spring 82, thereby unlocking the magnet lock 104 and thereby allowing pivoting of the pivoting member 107.

Coupling grooves 160 and 160 are provided at the periphery on opposite sides in the width direction and close at one end of the key box 135, and four coupling parts 161 are provided integrally with the cylinder body side 116, the body cover 117 is fixed to the cylinder body 116 in this embodiment, the engaging portions 161 protruding from the inner periphery of the aperture 119 so that they may engage with the engaging grooves 160 of the key housing 135 in a state where be joined with the union recess 157.

Coupling parts 161 are projectively provided on the inner periphery of aperture 119 in spaced positions, for example at equal intervals of 90 degrees; when the inner cylinder 128 is in the locked position P1 and the shutter plate 108 is in the closed position OS, as shown in Figure 24, the engagement parts 161 do not engage with the engagement grooves 160 of the switch housing 135 and the switch housing 135 may be detached from the joint recess 157, but when the plug plate I08 is in the open position PO1 as shown in Figure 25, two engaging portions 161 engage with the engaging grooves 160 of the keybox135, thereby preventing the housing of key 135 of becoming detached from the union recess 157.

When the inner cylinder 128 is in the OFF position P2 and the shutter plate 108 is in the closed position OS, as shown in Figure 26, the engaging portions 161 do not engage with the engaging grooves 160 of the key box 135 and the key housing 135 may be detached from the joint recess 157 and also when the plug plate 108 is in the open position PO, as shown in Figure 27, the engaging portions 161 do not engage with the engaging grooves 160 of the key housing 135 and the housing Key 135 can be detached from the joint recess 157.

Moreover, when the inner cylinder 128 is in the ONP4 position, as shown in Figure 28, two engaging portions 161 engage with the engaging grooves 160 of the key housing 135, thereby preventing the key housing 135 from being detached from the recess. of union 157.

The operation of this second embodiment is explained below. The shutter mechanism 104 includes the pivoting member 107, which has the insertion hole 106 to allow the insertion of the mechanical key 81 into the keyhole 79 of the inner cylinder 78 of the cylinder lock 65 and pivot about the same axis as the inner cylinder pivot axis 78 in response to a pivoting operation when the magnet lock 105 is unlocked and shutter plate 108 which is operatively connected to the pi-voting member 107 to move between the position at which the insertion hole 106 is opened and the position at which the insertion hole 106 is fully closed in response to pivoting of the pivoting member 107. Once the insertion hole I06 of the member 107 may be fully closed by the shutter plate 108 in response to the pivoting of the pivoting member 27 about the same axis as the inner cylinder pivot axis78, it is possible to completely close the hole 106, which communicates with the keyhole 79 of the inner cylinder 78 and makes the shutter mechanism 104 compact. Moreover, once again the mechanical key 81 is retractably retained in the keybox 135 provided with the magnets 134 for unlocking the magnet 105 so that it is possible to switch between a state in which the whole of the mechanical key 81 is housed and a state in which an extension of the mechanical key 81 sufficient to be inserted into the key hole 129 is made. The degree of freedom in the arrangement of the magnets 134 can be increased to design and the mechanical key 81 and magnets 134 can be made compact together with the key box 135, thus enabling the key unit 136 is formed as a unit.

Further, since the magnets 134 are disposed on the wall portion 140 forming the end wall of a key housing portion 135 through which the mechanical key 81 is projected, the mechanical key 81 may be inserted into the key hole 129 subsequent to unlocking the magnet lock 105 and opening the shutter mechanism 104 in a state in which the key housing 135 is retained such that the magnets 134 turn to the cylinder lock side 105 to unlock the lock 105 and it is therefore unnecessary to switch the key box cable 135.

Furthermore, the shutter mechanism 104 has the pivot member 107, which can pivot about the same axis as that inner cylinder 128 and causes the shutter plate 108 to operate in response to the pivot, the magnets 134 are provided in the portion. wall 140 of the key box 135, which is detachably joined with the pivot member 107 and can pivot the pivot member 107 in the joined state, the magnets 134 being able to unlock the magnet lock 105 in a state in which the key box 135 is coupled with the pivot member 107 and the mechanical key 81 is retractably retained by the key housing 135 so that in order to insert the mechanical key 81 into the key hole 129, the mechanical key 81 is projected from the key box 135 in a state where pivot member 107 is pivoted to place shutter plate 108 in the open position.

Once the magnet lock 105 is unlocked by the magnets 134 provided in the key box 135, when the key box 135 is pivotably joined 107 of the shutter mechanism 104 while the mechanical key 81 is housed, it is pivot member 107 may be pivoted through the key box 135 to thereby move the shutter plate 108 to the open position, and in this state the mechanical key 81 is projected from the key box 135 and is inserted into the bore hole. key 129 of the inner cylinder 128. That is, while the key box 135 is joined with the locking member 107 of the shutter mechanism 104, the opening of the shutter mechanism 104 and the insertion of the mechanical key 81 into the keyhole 129 can be performed and the operation of the cylinder lock 115 by the mechanical key 81 may also be performed thereby increasing operability.

Moreover, once the mechanical key 81 is slidably retained by the key case 135, it is easy to switch between a state where the mechanical key 81 is housed and a state in which it projects.

Further, the shutter mechanism 104 is made in a unit with the pivot member 107, which can rotate about the same axis as that of the inner cylinder 128 and allows the shutter plate 108 to move between the open position and the position. The closed position in response to the pivot is slidably inserted into the cylinder body 116 in the direction along the inner cylinder shaft 128 so as to exert a driving force on the inner cylinder 128 from the front. Therefore, when the inner cylinder 128 is driven, the keybox 135 may be driven together with mechanical key 81 and a thrust force may be applied to the inner cylinder 128 of the front of the keybox 135 via the shutter mechanism 104, increasing thus operability, when boosting the inner cylinder 128.

Moreover, the joint recess 157 is formed in the pivoting member 107, the key box 135 being relatively releasably but detachably joined with the coupling recess 157, the projections 258 projected in the pivoting member 107 so at least one portion of the joint recess 157 is formed in the form such that it can be secured to manually operate the pivot member 107 so as to move the shutter plate 108 from the open position to the closed position in a state wherein the magnet lock 105 is unlocked and it is therefore possible to move the position of the shutter plate 108 from the open position to the closed position by holding and pivoting the projections 158 when the key box 135 is detached from the union recess157 while the obturator plate 108 is opened in the OFF position P2, thereby making it unnecessary to join the switch housing 135 again as a joint recess 157.

Further, with respect to key unit 136, since the wing 142 has a pivotably end portion supported by the key box 135 and is housed within the key box 135, the mechanical key 81 is slidably held by the key box. key 135 is connected to the other side of levers 142 and the operating handle 147 is connected to the middle section of lever 142 and the operating handle 147 is disposed in the keybox 135 so that it can be manually slid in a direction parallel to the direction. by sliding the mechanical key 81, it is possible to reduce the amount of sliding of the operating handle 147, thereby increasing operability.

Moreover, since the mechanical key 81 is retained by the key box 135 so that it can slide along the central axis C of the key box 135, which is formed lengthwise along the longitudinal direction of the mechanical key 81 and the operating handle 147 is disposed between the center shaft C and a portion of the lever end 142 through which it is pivotally supported on the key box 135, the mechanical key 81 can be arranged on the central axis C of the key box 135 while enabling the mechanical key 81 sliding in response to pivoting lever 142.

In addition, since lever 142 is connected to key 81 on the side relative to central axis C, which is opposite to the part through which it is pivotally supported, it is possible to make the distance between the anchor connecting operator handle 147 to lever 142. and the portion connecting the lever 142 to the relatively large mechanical key 81 and adjusting the amount of sliding of the mechanical key 81 to be large relative to the amount of sliding of the operating handle 147.

Furthermore, the cylinder body side 116 of the cylinder lock 115, in this embodiment the body cover 117 attached to the body of the cylinder 116, is provided with the engaging portions 161 to prevent the key housing 135 from being secured. become detached from the pivot member 107 by engaging the key box 135 when the mechanical key 81 is made to protrude from the key box 135 at least after the magnet lock 105 is released and shutter plate 108 be placed in the open position. It is therefore possible to stabilize the orientation of the key box 135 when the mechanical key 81 is inserted into the key hole 129, thereby further increasing operability.

Furthermore, since when the inner cylinder 128 is in the locked position P1 and the shutter plate 108 is in the open position, two of the engaging portions 161 engage with the key housing 135, the key housing 135 remains connected to the lock. While a vehicle rider leaves the vehicle after obtaining a steering lock state, it is necessary to pivot the keybox 135 in order to move the shutter plate 108 to the closed position side and detach the housing. 135 of the cylinder lock 115 and the shutter plate 85 is always moved to the closed position, thereby increasing theft resistance.

Furthermore, since when the inner cylinder 128 is in the ON P4 position, the engaging portions 161 engage with the key housing 135, the key housing 135 does not become detached from the cylinder lock115 on one side. state in which inner cylinder 128 permits mechanical key81 to be inserted into key hole 129 and inner cylinder 128 is pivoted in position ON P4 and inner cylinder 128 is securely held in position ON P4.

Embodiments of the present invention are explained above, but the present invention is not limited to the aforementioned embodiments and may be modified in a variety of ways provided that the modifications do not depart from the spirit and scope of the present invention described in the claims.

Claims (9)

1. Cylinder lock protection system which, when a magnet lock (35, 105) that unlocks in response to a magnet approach (57, 134) is unlocked, may switch between a state in which the insertion of a mechanical key (15, 81) in a key hole (16, 79) of an internal cylinder (13,78) pivotably supported in a cylinder body (11, 66) is allowed and a state in which the insertion of the mechanical key (15, 81 ) The key hole (16, 79) is provided, wherein a shutter mechanism (26, 104) is disposed in the cylinder body (11, 66), the shutter mechanism (26, 104) having a pivoting member ( 27, 107) and a shutter plate (28, 108), the pivot member (27, 107) having an insertion hole (38, 106) to allow insertion of the mechanical key (15, 81) into the key hole (16, 79) and pivoting about the same axis as the inner cylinder pivot axis (13,78) in response to the pivoting operation when the magnet lock (35,105) is unlocked and the pl plug (28, 108) being operatively connected to the pivot member (27, 107) to move between an open position where the insert hole (38, 106) is open and a closed position where the insert hole The insert (38, 106) is entirely closed in response to pivoting of the pivoting member (27, 107). 2. Cylinder lock protection system according to claim 1, wherein the magnet (134) is provided in a key box (135) which detachably connects with the pivot member (107) and is capable of Pivoting member (107) in the joined state, the magnet (134) enabling the magnet lock (105) to be unlocked in a state in which the key case (135) is joined with the pivoting member (107) , the key housing (135) retractably retains the mechanical key (81), so that the mechanical key (81) protrudes from the key housing (135) and is inserted into the key hole (79) in a state where the pivoting member (107) is pivoted to place the plug plate (108) in the open position and a locking part (161) is provided on the body side of the cylinder (66), the coupling part (161) preventing the key box (135) from detaching from the pivot member (107) by engaging with the key box (135), when the mechanical key (81) is projected after-key housing (135) at least after the magnet lock (105) is unlocked and the shutter plate (108) is placed in the open position. 3. Cylinder lock protection system according to claim 2, wherein the engaging portion (161) is provided on the side of the barrel (76) to engage the key housing (135). ), when the inner cylinder (78) is in a locked position to obtain a vehicle steering mismatch state and the shutter plate (108) is in the open position. Cylinder locking system according to claim 2 or 3, wherein the engaging portion (161) is provided on the body side of the cylinder (66) to engage with the key housing (135) when the inner cylinder (78) is in the ON position to place a vehicle engine in an ON state. Cylinder lock protection system according to claim 1, wherein the shutter mechanism (104), which is formed as a unit, is slidably inserted into the cylinder body (76) in a direction along the axis. of the inner cylinder (78) while applying a push force from the front to the inner cylinder (78), which is axially movably inserted into the body of the cylinder (76), a magnet (134) is provided in a key box (135) detachably joining with the pivot member (107) and is capable of pivoting the pivot member (107) in the united state, the magnet (134) being able to unlock the magnet lock ( 105) in a state in which the key box (135) is joined with the pivot member (107) and the key box (135) retractably retains the mechanical key (81) so that the mechanical key is driven to projecting silk. key box (135) and is inserted into the key hole (79) in a state in which the pivoting member (107) is pivoted place the shutter plate (108) in the open position. 6. Cylinder lock protection system according to claim 5, wherein a joint recess (157) is formed on the pivot member (107), the relatively non-pivoting but stably locking key housing (135) with the joint recess (157) and a projection (158) projectively provided on the pivot member (107) so as to form at least a portion of the joint recess (157) is formed in a format which enables the projection (158) ) be held in order to manually operate the pivot member (107) so as to move the shutter plate (108) from the open position to the closed position in a magnet locking state (105) is unlocked . Cylinder lock protection system according to any one of claims 1 to 6, wherein an end portion of a lever (142) housed within the key housing (135) slidably retaining the mechanical key ( 81) is pivotally supported on the key housing (135), the mechanical key (81) is connected to the other end of the lever (142) and an operating handle (147) is connected to the intermediate section of the lever (142). , the operating handle (147) is arranged in the key box (135) to be manually slid in a direction parallel to the direction of sliding of the mechanical key (81). 8. Cylinder lock protection system according to claim 7, wherein the mechanical key 81 is retained by the key housing (135) for sliding along a central axis C of the key housing (135) formed. lengthwise along the longitudinal direction of the mechanical key (81) and the operating handle (147) is disposed between the axle-center C and a portion of said one end of the lever (142) which is pivotally supported by the housing. of key (135). Cylinder lock protection system according to claim 8, wherein the levers (142) are connected to the mechanical key (81) on one side relative to the central axis C, which is opposite to the supported pivot portion.