JP2017190584A - Locking-unlocking device for door - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a locking / unlocking device for a door which is miniaturized by reducing the size of a hub and the protruding height of a cylinder lock. SOLUTION: A hub 35 provided on a lock main body 31 arranged on a door is provided with a convex portion 35a along a cylinder axis direction at an inner peripheral surface portion thereof, and a cylinder lock provided on the outside of the lock main body 31. The 32 has a ridge 38a formed along the rotation axis direction of the cylinder inner 39 on the outer peripheral surface of the cylinder outer 38, and an engaging plate 43 connected to the cylinder inner 39 on the tip side thereof. The cylinder lock 32 is inserted into the hub 35 with the ridge portion 38a of the cylinder outer 38 having a large cylinder diameter brought close to the inner peripheral surface of the hub 35, and the convex portion 35a of the hub 35 is provided. Is rotatably arranged around the cylinder outer peripheral portion 38c other than the ridge portion 38a, and the engaging plate 43 is further engaged with the convex portion 35a of the hub 35. [Selection diagram] Fig. 4

Description

  The present invention relates to a locking / unlocking device installed in a door, and is characterized by having a structure suitable for miniaturization as much as possible.

There are various types of cylinder locks that are interlocked with the door locking mechanism. In particular, this type of cylinder lock includes a side bar in order to prevent unlocking due to fraud.
FIG. 11 is a sectional view showing a locked state of a cylinder lock having a side bar, and FIG. 12 is a sectional view similar to FIG. 11 showing an unlocked state.

As shown in the figure, in the cylinder lock 10, the concave portions 12 of the respective tumblers 11 are not aligned unless a regular key is inserted, so that the tumbler 11 enters the locking groove 14 of the rotor case 13 as shown in FIG. In addition, since the rear side portion of the side bar 15 enters the lock hole 16 of the rotor case, the rotor 17 does not rotate and is locked.
By inserting the regular key, the tumbler 11 comes out of the locking groove 14, the concave portions 12 of the respective tumblers 11 are aligned, and the distal end portion of the side bar 15 enters the concave portion 12.

As a result, as shown in FIG. 12, since the side bar 15 comes out of the lock hole 16 of the rotor case 13, the rotor 17 can be rotated and the door locking mechanism can be unlocked.

On the other hand, when the unlocking action is performed illegally by rotating the rotor 17 using a tool such as a screwdriver, the sidebar 15 remains in the lock hole 16 of the rotor case 13. And the rotor 17 is kept non-rotating.
As a result, the lock mechanism of the door remains locked, and unlocking due to unauthorized unlocking is prevented.

No. 08-2339

The above-described cylinder lock 10 includes the rotor case 13, in addition to the rotor 17, a side bar 15, a spring that urges the side bar in a direction in contact with the tumbler 11, a holding member for the spring, and the like. It becomes the lock | rock structure where the diameter direction of becomes large.
Therefore, as shown in FIG. 13, the cylinder lock 10 is mounted on the housing surface of the lock body 18 provided in the door, and only the rear rotor 19 is disposed in the hub 20.

The rear rotor 19 is provided with an engagement plate 21, which engages with the driven portion 22 of the hub 20 to rotate the bubble 20 by operating the cylinder lock 10 to lock or unlock the door. The deadbolt to be locked is advanced and retracted.
Therefore, in the door locking / unlocking device configured as described above, the cylinder lock 10 protrudes greatly from the housing surface of the lock body 18, and the assembly of the cylinder lock 10 requires a distance H ₀ from the housing surface or the door surface. Therefore, it is not preferable for downsizing of the locking / unlocking device.

Further, as shown in FIG. 14, if Kumitsukere the cylinder lock 10 so as to partially inserted into the hub 20, the distance H ₀ is shortened, the projection height of the cylinder lock 10 is reduced.
However, according to this structure, since a configuration in which the driven portion 22 of the convex shape provided on the hub 20 to pivot about the cylinder lock 10, since the diameter D ₀ of the hub 20 increases, a large hub 20 Is required.
As a result, it is not preferable for downsizing of the locking / unlocking device.

  In view of the above circumstances, an object of the present invention is to provide a door locking / unlocking device that is miniaturized so as not to increase the size of the hub and the protruding height of the cylinder lock.

In order to achieve the above-mentioned object, the present invention includes, as a first invention, a cylindrical hub and a lock body including a dead bolt that advances and retreats in response to the rotation of the hub, and the hub is driven to rotate. In the door locking / unlocking device in which the cylinder lock and thumb turn are attached to the lock body, the hub is provided with a driven portion formed in a convex shape along the cylindrical axis direction at the inner peripheral surface portion thereof, The cylinder lock is provided with an inner ridge formed along the direction of the rotation axis of the cylinder inner at the outer peripheral surface portion of the cylinder outer, and a drive unit connected to the cylinder inner is provided on the tip side. The cylinder lock is inserted into the hub with the protruding portion of the outer cylinder having a larger cylinder diameter approaching the inner peripheral surface of the hub, and the driven portion of the hub is moved to a portion other than the protruding portion. Cylinder outer Disposed around pivotably further proposes a locking and unlocking device for a door, characterized in that the structure engaging the driving unit to the driven part of the hub.

  As a second invention, in the door locking / unlocking device according to the first invention described above, for the cylinder lock, a side bar is provided in the protruding portion of the outer cylinder, and a disc tumbler is provided on the inner cylinder. We propose a locking / unlocking device for doors, which is characterized by a cylinder structure.

As a third invention, in the locking and unlocking device for a door according to the first invention described above, a pin tumbler is disposed in the protruding portion of the outer cylinder for the cylinder lock, and the pin tumbler We propose a locking / unlocking device for doors, which has a cylinder structure with another pin tumbler to be linked.

  As a fourth invention, in the door locking / unlocking device according to the first invention described above, with respect to the cylinder lock, a disc tumbler is provided in the cylinder inner, and the disc tumbler is engaged with the rim portion of the outer cylinder. The present invention proposes a door locking / unlocking device characterized by a cylinder structure in which a possible locking groove is provided.

  As a fifth invention, in the door locking / unlocking device according to the first invention described above, the driving portion is provided with a plate-like body connected to a cylinder inner, and the driven portion of the hub is provided on the plate-like body. A locking / unlocking device for a door, characterized in that it is formed as an engaging portion that engages with the door.

The cylinder lock provided in the locking / unlocking device according to the first aspect of the present invention is provided with a protrusion formed along the rotation axis direction of the cylinder inner at the outer peripheral surface portion of the outer cylinder.
The cylinder lock is assembled by being inserted into the hub so that the protruding portion of the outer cylinder, whose cylinder diameter increases, approaches the inner peripheral surface of the hub.
The cylinder lock thus configured allows the driven portion of the hub to turn around the outer periphery of the cylinder other than the protrusion.

Therefore, the driven portion of the hub can be driven by the driving portion connected to the cylinder inner to rotate the hub without the protrusions hindering the turning of the hub.
As a result, according to this locking / unlocking device, the cylinder lock is partially disposed in the hub of the lock body, so that the height of the cylinder lock protruding from the surface of the lock body or the door is reduced.

The cylinder lock is arranged with the 突 strip of the outer cylinder approaching the inner peripheral surface of the hub, and the driven part of the hub is around the outer circumference of the cylinder other than the 突 Since the pivot is possible, the hub can be configured as a cylindrical body having a slightly larger diameter than the outer cylinder, which is advantageous for downsizing the hub.
As a result, according to the present invention, the locking / unlocking device is suitable for downsizing.

The second invention is characterized in that as a cylinder lock provided in the locking / unlocking device of the first invention, a cylinder lock having a side bar disposed in the <64085;
Thus, even when the number of components of the cylinder lock increases by providing the side bar, the diameter of the hub can be increased by arranging the increased number of components of the cylinder lock in the protruding portion that does not hinder the turning of the hub. The locking / unlocking device can be downsized in the direction.

The third invention is characterized in that, as a cylinder lock provided in the locking / unlocking device of the first invention, a cylinder lock having a pin tumbler disposed in a protruding portion of the outer cylinder is provided.
Thus, even if the number of components of the cylinder lock is increased by providing the pin tumbler, the diameter of the hub can be increased by arranging the increased number of components of the cylinder lock in the protruding portion that does not hinder the rotation of the hub. The locking / unlocking device can be downsized in the direction.

  According to a fourth aspect of the present invention, in the door locking / unlocking device according to the first aspect of the present invention, the cylinder lock is provided with a disk tumbler in the cylinder inner, and can be locked with the disk tumbler in the protruding portion of the outer cylinder. A locking / unlocking device for a door having a cylinder structure provided with a simple locking groove is proposed.

5th invention is the cylinder lock with which the locking / unlocking apparatus of 1st invention is equipped, The drive part connected with the cylinder inner is formed as a plate-shaped object, The length of the cylinder axis direction of a hub is shortened, Further, the present invention is characterized in that the production of the drive unit is facilitated.

It is the disassembled perspective view which abbreviate | omitted and showed the door of the locking / unlocking apparatus for doors which is one Embodiment of this invention. The outer side locking part (operation part) with which an above-mentioned locking / unlocking device is provided is shown, (A) The figure is a front view of the outer side locking part, (B) The figure is a side view of the outer side locking part, (C) The figure is the outer side. It is a rear view of a lock part. It is a front view of the locking / unlocking apparatus which showed the locking state in the locking / unlocking apparatus shown in FIG. It is the side view which carried out the cross section and showed a part of above-mentioned locking / unlocking apparatus. It is sectional drawing which showed the coupling | bond part of the cylinder lock cut | disconnected along the BB line on FIG. 4, and a hub. It is sectional drawing similar to FIG. 5 which showed the unlocked state. It is sectional drawing which showed the coupling | bond part (locking state) of a cylinder lock and a hub at the time of applying the pin tumbler type cylinder lock which showed the other example of the cylinder lock with which the above-mentioned locking / unlocking apparatus is provided to this invention. . It is sectional drawing similar to FIG. 7 which showed the unlocked state. Sectional drawing which showed the coupling | bond part (locking state) of a cylinder lock and a hub at the time of applying the disc tumbler type cylinder lock which showed the further another example of the cylinder lock with which the above-mentioned locking / unlocking apparatus is provided to this invention. is there. It is sectional drawing similar to FIG. 9 which showed the unlocked state. It is sectional drawing which showed the locking state of the cylinder lock provided with the side bar shown as a prior art example. It is sectional drawing similar to FIG. 11 which showed the unlocked state. (A) is an explanatory view showing a state in which the conventional cylinder lock shown in FIG. 11 is assembled to the surface of the lock body, and (B) is an explanatory view showing the right side of FIG. (A) is an explanatory view showing a state in which the conventional cylinder lock shown in FIG. 11 is assembled with a shape changed so as to be partially inserted into the hub, and (B) is a right side of FIG. It is explanatory drawing which showed.

Next, an embodiment of the locking / unlocking device according to the present invention will be described with reference to the drawings.
As shown in FIGS. 1 to 3, the locking / unlocking device 30 includes a lock body 31 provided on a door (not shown), a cylinder lock 32 attached to the lock body 31 outside the door, and an inside of the door. The thumb turn 33 is attached to the lock body 31.

The lock body 31 is provided with a cylindrical hub 35 rotatably supported by a housing 34 and a dead bolt 36 that moves forward and backward in response to the rotation of the hub 35.
A convex portion (driven portion) 35a formed along the cylinder axis direction is provided on the inner peripheral surface of the hub 35.

The above-described dead bolt 36 enters the strike locking hole provided in the door frame by advancement, and locks the door to prevent the opening.
In addition, the lock body 31 is provided with a rack member for driving the dead bolt 36.

The cylinder lock 32 includes a key insertion hole 37 having a shutter.
Further, the cylinder lock 32 is provided with an elongated portion 38a formed along the rotation axis direction of the cylinder inner 39 at the outer peripheral portion of the outer cylinder 38, and the inner portion 38a is provided with the elongated portion 38a. The side bar 40 is arranged. (See Figure 5)
That is, among the components housed in the cylinder lock 32, those that cause the diameter to be enlarged are collected at a position corresponding to the ridge portion 38a, and the cylinder outer 32 other than the region where the ridge portion 38a is formed. The diameter should be as small as possible.

As shown in FIG. 5, the side bar 40 has a well-known configuration, and the concave portions 41a of a plurality of plate-like tumblers 41 provided on the cylinder inner 39 are aligned by inserting a regular key, thereby forming the concave portions 41a. The cylinder inner 39 is allowed to be unlocked by allowing the cylinder inner 39 to rotate. The side bar 40 is urged by a spring (not shown) into the recessed portion 41a, and the spring is held by a holding member (not shown). The side bar 40, the spring, and the holding member are all attached to the protrusion 38a. Collectively arranged at the corresponding position.

Therefore, even if an illegal key or the like is inserted, the concave portions 41a of the plurality of tumblers 41 are not aligned, so that the rear portion of the side bar 40 remains in the <64085; Therefore, the cylinder inner 39 cannot be rotated by an unauthorized key or the like, and therefore unlocking by an unauthorized act is prevented.

Further, the cylinder lock 32 is provided with an engaging plate 43 in which the interlocking portion 39a of the cylinder inner 39 is protruded from the rear and fixed to the interlocking portion 39a by the E-ring 42.
The engaging plate 43 is provided with a tongue portion 43a that engages with the convex portion 35a of the hub 35 and drives the hub 35 to rotate.

The above-described cylinder lock 32 is attached to the lock body 31 by a set screw 44 (see FIG. 1) together with the thumb turn 33.
That is, as shown in FIGS. 3 and 4, the cylinder lock 32 is attached to the lock body 31 so as to be outside the door, and the thumb turn 33 is attached so as to be inside the door.

In particular, the cylinder lock 32 is attached so that the cylinder outer 38 is inserted into the hub 35.
Specifically, as can be seen from FIGS. 4 and 5, the cylinder outer 38 is disposed so that the surface of the protruding portion 38 a is brought close to the inner peripheral surface of the hub 35, thereby driving the convex portion 35 a of the hub 35. By disposing the protruding portion 38a in a region other than the range, the convex portion 35a of the hub 35 can be turned in the region of the cylinder outer peripheral portion 38c other than the protruding portion 38a.
In other words, the convex portion 35 a of the hub 35 swivels in an area of the outer periphery of the cylinder outer 38 that has a diameter smaller than that of the protruding portion 38 a.

  That is, if the cylinder inner 39 is rotated according to the key operation of the cylinder lock 32, the engaging plate 43 provided in the interlocking portion 39a rotates to respond to the convex portion 35a of the hub 35, and FIG. Transition the state shown.

Accordingly, since the convex portion 35a that is rotationally driven by the engagement plate 43 turns around the peripheral portion 38c of the cylinder outer 38, the hub 35 rotates and the dead bolt 36 advances and retreats.
After the cylinder inter 39 is rotated clockwise by the key and the hub 35 is rotated and unlocked as shown in FIG. 6, the key is returned and rotated, and the cylinder inner 39 is returned and rotated to the state shown in FIG. Pull out the key.

As described above, in the present embodiment, the cylinder outer 38 of the cylinder lock 32 because it has a structure to be disposed in the hub 35, to reduce the height H ₁ of the cylinder lock 32 from the lock body 31 or the door surface On the other hand, the convex portion 35a of the hub 35 can be turned around the peripheral portion 38c of the cylinder outer 38 other than the strip portion 38a, and the convex portion 35a of the hub 35 and the cylindrical outer portion 38 can be rotated. ; since the ridges 38a is configured not to interfere, it may be formed so that the diameter D ₁ of the hub 35 is reduced.
As a result, it is possible to provide a door locking / unlocking device that is advantageous for downsizing.

7 is a cross-sectional view showing a coupling portion (locked state) between the cylinder lock and the hub when a pin tumbler type cylinder lock 45 is applied to the present invention instead of the cylinder lock 32, and FIG. 8 is an unlocked state. It is sectional drawing similar to FIG.
The configuration other than changing the cylinder lock 32 having the side bar 40 to the cylinder lock 45 having the pin tumbler 46 is the same as that of the above embodiment, and the description of the overlapping parts is omitted.

The cylinder lock 45 is configured such that a < 64085 <"> 47a is formed in the cylinder outer 47, and a plurality of pin tumblers 46 are arranged in the &< 64085 >
Similarly to the above-described embodiment, in the present embodiment, among the components housed in the cylinder lock 45, the components that increase the diameter are collected at the position corresponding to the protrusion 47a, and the protrusion The diameter of the outer cylinder 47 other than the region where the portion 47a is formed is made as small as possible.

The pin tumbler 46 is urged by a spring in a direction to enter the key insertion hole, and the spring is held by a holding member, and the pin tumbler 46, the spring, and the holding member are all in a position corresponding to the protrusion 47a. Centralized and arranged.

As can be seen from FIG. 7 (locked state) and FIG. 8 (unlocked state), the cylinder outer 47 is disposed so that the surface of the ridge 47a approaches the inner peripheral surface of the hub 35. By disposing the protrusion 47a in a region other than the driving range of the convex portion 35a, the convex portion 35a of the hub 35 can be swung in a region outside the cylinder outer portion other than the protrusion 47a.

That is, the convex portion 35 a of the hub 35 turns in a region of the outer periphery of the cylinder outer 47 formed with a diameter smaller than that of the protruding portion 47 a.
That is, if the cylinder inner 48 is rotated in accordance with the key operation of the cylinder lock 45, the engagement plate 43 provided on the interlocking portion 48a rotates to respond to the convex portion 35a of the hub 35. Transition to the state shown.

Therefore, since the convex portion 35a that is rotationally driven by the engagement plate 43 turns around the peripheral portion 47c of the cylinder outer 47, the hub 35 rotates and the dead bolt 36 advances and retreats.
Thus, while it is possible to reduce the height H ₁ of the cylinder lock 45 from the lock body 31 or the door surface, it is possible to reduce the diameter D ₁ of the hub 35, the door to be advantageous for downsizing The point which can provide a locking / unlocking apparatus is the same as that of the said embodiment.
In addition, the code | symbol 48a shown in figure is a key insertion hole, 48b is an engaging plate provided in the interlocking | linkage part of the cylinder inner 48. FIG.

FIG. 9 shows the connection between the cylinder lock and the hub when a disc tumbler type cylinder lock different from the cylinder lock 32 described in the first embodiment (the locking and unlocking device shown in FIGS. 1 to 3) is applied to the present invention. FIG. 10 is a cross-sectional view similar to FIG. 9 illustrating the unlocked state.
The configuration other than the point that the configuration related to the side bar 40 is not provided from the cylinder lock 32 including the side bar 40 of the first embodiment is the same as that of the above embodiment, and the description of the overlapping portions is omitted.

The cylinder lock 49 is configured such that a < 64085 <"> 50a is formed in the cylinder outer 50, and a large number of disc tumblers are arranged in the &" 64085 "
In the present embodiment, the factor that increases the diameter is the locking groove 53 formed in the cylinder outer 50 that locks when the disc tumbler protrudes from the cylinder inner 51, and therefore corresponds to the locking groove 53. The protrusion 50a is formed on the outer periphery of the cylinder outer 50 to be a position to be formed, and the diameter of the cylinder outer 50 other than the region where the protrusion 50a is formed is made as small as possible.

When the cylinder inner 51 is rotated in accordance with the key operation of the cylinder lock 49, the engagement plate 52 provided in the interlocking portion rotates to respond to the convex portion 35a of the hub 35, so that the state shown in FIGS. Transition.
Therefore, in this embodiment, to reduce the height H ₁ of the cylinder lock 49 from the lock body 31 or the door surface and, correspondingly without a sidebar, further a diameter D ₁ of the hub than the first embodiment It is possible to provide a door locking / unlocking device that can be reduced and is advantageous for downsizing.

  The present invention can be applied as a door locking / unlocking device or a vehicle door locking / unlocking device.

30 Locking / unlocking device 31 Lock body 32 Cylinder lock 34 Housing 35 Hub 35a Convex part (driven part)
36 Dead Bolt 38 Cylinder Outer 38a 突 Strip 38b 突 Strip Inner Hole 38c Perimeter of Cylinder Outer 39 Cylinder Inner 39a Interlocking Section 40 Side Bar 41 Tumbler 41a Concave Part 43 Engagement Plate

Claims (5)

A lock body provided with a cylindrical hub, a dead bolt that moves forward and backward in response to the rotation of the hub, and a cylinder lock and a thumb turn that rotationally drive the hub, and a door locking / unlocking device attached to the lock body In
The hub is provided with a driven portion formed in a convex shape along the cylindrical axis direction at the inner peripheral surface portion thereof,
The cylinder lock is provided with an inner ridge formed along the rotation axis direction of the cylinder inner at the outer peripheral surface portion of the outer cylinder, and a drive unit connected to the cylinder inner at the tip side. Provided,
The cylinder lock is inserted into the hub with the protruding portion of the cylinder outer having a large cylinder diameter approaching the inner peripheral surface of the hub, and the driven portion of the hub is inserted into the outer cylinder other than the protruding portion. It is arranged so that it can turn around,
Furthermore, the door locking / unlocking device is characterized in that the driving portion is engaged with the driven portion of the hub. In the door locking / unlocking device according to claim 1,
The cylinder lock has a cylinder structure in which a side bar is provided in a protruding portion of the outer cylinder and a disk tumbler is provided in the inner cylinder. In the door locking / unlocking device according to claim 1,
The cylinder lock has a cylinder structure in which a pin tumbler is provided in the protruding portion of the outer cylinder, and another pin tumbler is provided on the inner cylinder to interlock with the pin tumbler. Locking device. In the door locking / unlocking device according to claim 1,
The cylinder lock has a cylinder structure in which a disk tumbler is provided in the cylinder inner and a locking groove that can be locked with the disk tumbler is provided in a protruding portion of the outer cylinder. Locking device. In the door locking / unlocking device according to claim 1,
The door is provided with a plate-like body connected to a cylinder inner, and the plate-like body is formed as an engaging portion that engages with a driven portion of the hub. .

Images