CN1092275C - Lock core - Google Patents
Lock core Download PDFInfo
- Publication number
- CN1092275C CN1092275C CN 99110424 CN99110424A CN1092275C CN 1092275 C CN1092275 C CN 1092275C CN 99110424 CN99110424 CN 99110424 CN 99110424 A CN99110424 A CN 99110424A CN 1092275 C CN1092275 C CN 1092275C
- Authority
- CN
- China
- Prior art keywords
- lock
- locking bolt
- driving chip
- lock shaft
- core
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000005452 bending Methods 0.000 claims abstract description 5
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 238000000465 moulding Methods 0.000 claims description 4
- 230000010354 integration Effects 0.000 abstract 1
- 239000011162 core material Substances 0.000 description 30
- 230000000694 effects Effects 0.000 description 4
- 239000000956 alloy Substances 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
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- Dowels (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The present invention relates to a lock core which comprises a lock shaft, a lock bolt, a lock shell, a plurality of lock sheets and a drive sheet, wherein the front end of the lock shell is sheathed with an inserting and rotating part capable of idly rotating for 360 DEG; the front end of the lock bolt forms a fan-like convex part and an arced concave part into integration; the drive sheet is made into a circular plate sheet, the periphery of the drive sheet is provided with a convex block in a bending mode, and the convex block can brake the fan-like convex part; the full periphery surface of the drive sheet is sleeved in the lock shaft and maintains a concentric position with core holes of all lock sheets, so that a key can easily rotate the drive sheet. Thus, the functions of improving theft protection performance and smoothening unlocking actions are achieved.
Description
The present invention relates to a kind of core, particularly relate to a kind of core that can promote the theftproof performance and the smooth degree of unblanking.
As shown in Figure 1, core 10 on the existing various locksets, comprise a lock shaft 11 ', one locking bolt 12, one lock housing 13, one stopping plate 14, a plurality of locking plates 15 ', most pads 16 and a driving chip 17,12 groups of solid rear ends of this locking bolt at lock shaft 11 ', and this lock shaft 11 ' is nested with in lock housing 13 inside again, in this lock housing 13, be concaved with cotter way 131 week, this lock shaft 11 ' periphery then offers strip hole 111, borrow a blocking pin 112 half to place cotter way 131 middle with strip hole 111, make this lock shaft 11 ' be fixed (forbidding manufacture) in lock housing 13, can insert several locking plates 15 ' in this lock shaft 11 ', several pads 16 and driving chip 17, this locking plate 15 ' and driving chip 17 centre have respectively provided wholeheartedly hole 151 ', 171 can plant for a key 18, and be concaved with short slot 152 on each locking plate 15 ' periphery precalculated position, these driving chip 17 peripheries are provided with and are a fan-shaped drive block 172, can support the bar tooth 121 that this locking bolt 12 of pulling stretches out, be inserted in this locking plate 15 ' heart hole 151 ' with correct key 18, after making each locking plate 15 ' be turned a correct angle, the short slot 152 of each locking plate 15 ' is a straight line, this blocking pin 112 can be forced in the short slot 152, to remove the latching relation of this lock shaft 11 ' and lock housing 13, rotate to driving chip 17 and these key 18 ends are slotting again, this driving chip 17 can be changeed pull this locking bolt 12 to rotate, this locking bolt 12 can take off with predetermined snap close object pulls and finishes unlocking action.
As shown in the above description, this core 10 is reached the mode of locking with several locking plates 15 ', really the anti-theft effect that has height, but, this core 10 key release action and tamper-proof aspect, but still has following shortcoming: as shown in Figure 2, this driving chip 17 is inserted in lock shaft 11 ' inside, because its outer peripheral edges convex with the drive block 172 that is fan-shaped, lack edge 173 with respect to forming one arc in the middle of these drive block 172 outside Zhou Zeyu lock shaft 11 inwalls, the amplitude that this arc lacks edge 173 exceeds 90 degree, this driving chip 17 can be produced in lock shaft 11 ' to be rocked and off normal, cause the center in this heart hole 171 can't aim at the 151 ' center, heart hole of other locking plates 15 ', this locking plate 15 ' and driving chip 17 heart hole 151 ' each other, 171 concentricity has error, though this key 18 can insert the heart hole 151 ' of each locking plate 15 ' smoothly, but when these key 18 1 ends are inserted to rear end driving chip 17 heart holes 171, can produce once in a while to insert and support the situation that has some setbacks, in addition, gall bad with instruments such as electric drill or saw sharpening machines to lock core structure 10 powerful drills if this core 10 meets the robber, these core 10 inner members will be damaged and can't be brought into play due antitheft function, and the function of anti-destructive is relatively poor.
The object of the present invention is to provide a kind of core that can promote the theftproof performance and the smooth degree of unblanking.
Core of the present invention, comprise a kind of core, comprise a lock shaft, a locking bolt, a lock housing, several locking plates and a driving chip, this lock shaft rear end and locking bolt group are nested with in lock housing admittedly, all locking plates place in the lock shaft, driving chip places bottom and this locking bolt of stopper in the lock shaft, each locking plate and driving chip central authorities respectively provide a heart hole that supplies a key to penetrate, wherein, described locking bolt front end central authorities form a circumference wall, and the side one is protruded moulding one fan-shaped protuberance, is formed with an arc-shaped depression portion in the middle of this fan-shaped protuberance both sides end face and the circumference wall jointly; Described lock housing front end face is concaved with a containing hole, in the described containing hole is to insert one to insert the commentaries on classics part, and this is inserted commentaries on classics part central authorities and provides a jack that supplies key to insert, and its periphery is concaved with a stopper slot, is inserted in two outside the described lock housing and supports the only alignment pin of this stopper slot; Described driving chip has a disk and thin plate, and bending convexes with a projection that moves on these disk and thin plate outer peripheral edges in described locking bolt arc-shaped depression portion, and describedly supports that to end fan-shaped protuberance end be that stopper rotates this locking bolt.
Core as previously discussed wherein, is located to be arranged with one foremost in described lock shaft inside and is inserted the commentaries on classics part.
Because in the core of the present invention, the lock shaft rear end is to be nested with in lock housing admittedly with the locking bolt group, all locking plates place in the lock shaft and can dally, this driving chip places bottom in the lock shaft and brake this locking bolt, all locking plates and driving chip are provided with heart hole and penetrate for a key, be threaded to the location and can drive each locking plate, so as to removing the latching relation of this lock shaft and lock housing, this key end rotation drives this driving chip, and brake this locking bolt rotation is so as to unblanking, this locking bolt front end centre is provided with the circumference wall, and side has fan-shaped protuberance, be formed with the arc-shaped depression portion of predetermined arc size in the middle of this fan-shaped protuberance both sides end face and the circumference wall jointly, this lock housing front end face is concaved with a containing hole, this containing hole can be inserted for a slotting commentaries on classics part with jack, insert commentaries on classics part periphery and be concaved with stopper slot, borrow two alignment pins to be inserted in to ending stopper slot by this lock housing outside, make this insert the commentaries on classics part and can in containing hole, do 360 degree rotations by key, on these driving chip outer peripheral edges bending convex with can be in the locking bolt arc-shaped depression portion movable projection, rotate with this locking bolt of stopper and support the end of ending this fan-shaped protuberance, combination by above-mentioned structure, it is bad to prevent drilled worn-off at core front end idle running to insert the commentaries on classics part, this driving chip outer rim is to be nested with in lock shaft inside in wholecircle week, make its heart hole and each locking plate heart hole maintain same center, key can rotate this driving chip of stopper smoothly, reaches enhancement theftproof performance and unlocking action effect smoothly whereby.
The present invention is described in detail below in conjunction with drawings and Examples:
Fig. 1 is the exploded perspective view of existing lock core structure.
Fig. 2 is the combination schematic diagram of existing core driving chip and lock shaft.
Fig. 3 is the exploded perspective view of the present invention's first preferred embodiment.
Fig. 4 is the combination of side view of the present invention's first preferred embodiment.
Fig. 5 is the combination schematic diagram of the present invention's first preferred embodiment locking bolt and driving chip.
Fig. 6 is the combination schematic diagram of the present invention's first preferred embodiment driving chip and lock shaft.
Fig. 7 is the exploded perspective view of the present invention's second preferred embodiment.
Fig. 8 is the combination of side view of the present invention's second preferred embodiment.
Fig. 9 is the combination of side view of the present invention's the 3rd preferred embodiment.
See also Fig. 3, shown in 4, core of the present invention, comprise a lock shaft 11, one locking bolt 20, one lock housing 30, a plurality of locking plates 15 and a driving chip 40, these lock shaft 11 rear ends and locking bolt are nested with in lock housing 30 for 20 groups admittedly, all locking plates 15 place in the lock shaft 11 and can dally, this driving chip 40 places the brake locking bolt 20 in bottom in the lock shaft 11, each locking plate 15 has all provided wholeheartedly hole 151 with driving chip 40 central authorities, 41 for a key 18 insertions, so can drive each locking plate 15 and be threaded to the location, so as to the latching relation of removing this lock shaft 11 and lock housing 30 (action is identical with existing core 10), this key 18 ends rotation drives this driving chip 40, and brake whereby these locking bolt 20 rotations are so as to unblanking.
Shown in Fig. 5,6, locking bolt 20 front end centre are concaved with a shrinkage pool 21, can form accommodation space inserts for key 18 ends, and form a circumference wall 22 around this shrinkage pool 21, protrude moulding one fan-shaped protuberance 23 in these circumference wall 22 side edge one, the common arc-shaped depression portion 24 that forms the predetermined arc size in the middle of these fan-shaped protuberance 23 both side ends and the circumference wall 22.
These lock housing 30 front end places are formed with a rectangular-shaped block set 31, these block set 31 end faces are concaved with a containing hole 32, and being drilled with two pin-and-holes 33 in the pre-position, these block set 31 lateral circle surfaces can be communicated in the containing hole 32, this containing hole 32 can be inserted commentaries on classics part 34 for one and insert, should insert commentaries on classics part 34 is the circular disk body that constituted with special high-strength alloy material, its centre has provided a jack 341 and can insert for key 18, on its outer peripheral edges and be concaved with a stopper slot 342, be inserted in by the pin-and-hole 33 of two alignment pins 35 by lock housing 30 outsides, can penetrate and support the stopper slot 342 that ends this slotting commentaries on classics part 34, make this insert commentaries on classics part 34 and in containing hole 32, can do 360 degree rotations, this two alignment pin 35 is made of special high-strength alloy material, when whole group core is mounted on the predetermined lockset, because this block set 31 can be embedded in lockset inside, therefore this two alignment pin 35 is hidden fully and is not exposed, and so, this inserts commentaries on classics part 34 just can't disassemble destruction by the external world.
This driving chip 40 is the disk and thin plates with predetermined thickness of slab, its thickness is thicker than the driving chip 17 of existing core 10, so as to improving bulk strength, bending convexes with a projection 42 on its outer peripheral edges, this projection 42 can be movable in locking bolt 20 arc-shaped depression portion 24, this projection 42 can support be ended on distolateral of fan-shaped protuberance 23 and the whole locking bolt 20 of stopper rotates, this locking bolt 20 just can be reached the purpose of unblanking by switching whereby.
As shown in the above description, the effect that can reach of core of the present invention is as described later:
(1). the key spinning movement is smooth and easy: 40 two kinds of elements of locking bolt 20 of the present invention and driving chip, because of the part of these locking bolt 20 front ends and lock shaft 11 being done socket is provided with the fan-shaped protuberance 23 that one is protruded moulding, and this driving chip 40 is nested with in this lock shaft 11 inside with the contact area in wholecircle week, therefore when these driving chip 40 rotations, this heart hole 41 can maintain and lock shaft 11 concentric positions always, that is to say, heart hole 151 on each locking plate 15 can remain on concentric position with the heart hole 41 of driving chip 40 always, in this key 18 penetrates locking plate 15 heart holes 151, when arriving last a slice driving chip 40, these key 18 1 ends can correctly insert in driving chip 40 heart holes 41 and rotate with stopper driving chip 40, can reach whereby to make this key 18 rotate the purposes of unblanking smoothly.
(2). structure is not fragile: locking bolt 20 of the present invention is the fan-shaped protuberances 23 that are wholely set tool large tracts of land component shape, replace locking bolt 12 single tooth bar 121 structures in the past, can increase the ability of changeing the strength of pulling of bearing, and the present invention makes the thickness of slab thickening of this driving chip 40 again, and the curved projection 42 of establishing large-scale thickness, therefore wear energetically when changeing the driving chip 40 of pulling and rotating with this key 18 as the user, this driving chip 40 and locking bolt 20 all can bear the stronger commentaries on classics power of pulling, allow the present invention have and bear the working strength of powerful switching, and make that the application life of whole core can be more permanent.
(3). promote anti-theft effect: the present invention is positioned at these lock housing 30 front end places and is arranged with the slotting part 34 that changes, should insert commentaries on classics part 34 is to constitute with the high-strength alloy material, and the idle running that can make 360 degree is moved, if when having the burglar will implement to destroy to core with instruments such as electric drill or saw sharpening machines, part 34 meeting contact failure instruments and rotation are thereupon changeed in should inserting of front end, under the situation of no origin of force, these instruments can't eliminate the core material and destroy, so just can avoid the core inner member to be damaged, and promote theftproof performance of the present invention.
Particularly; the anti-drilling destruction structure of core tool of the present invention also has the variation of other patterns; cooperation is shown in Fig. 7,8; another core 50 place before lock housing 51 inside is nested with another and inserts commentaries on classics part 52; should insert change part 52 be rounded plates, and its central authorities provide jack 521, one lock shafts 53 with the same shape in locking plate heart hole and are inserted in this lock housing 51 again and support to end inserting and change part 52; make this insert commentaries on classics part 52 and can and come locating foremost of a plurality of locking plates, bad in order to protect all locking plates to avoid drilled worn-off.In addition, core of the present invention also can be inserted above-mentioned two kinds of embodiment the commentaries on classics part and integrate, as shown in Figure 9, another core 60 is inserted at the front end face sheathed first of lock housing 61 rectangle block sets 611 respectively changes part 62, and insert commentaries on classics part 63 in these lock housing 61 interior forward end sheathed second, so can allow the function of the anti-drilling destruction of the present invention more increase, theftproof performance can be better.
Claims (2)
1. core, comprise a lock shaft, a locking bolt, a lock housing, several locking plates and a driving chip, this lock shaft rear end and locking bolt group are nested with in lock housing admittedly, all locking plates place in the lock shaft, driving chip places bottom and this locking bolt of stopper in the lock shaft, each locking plate and driving chip central authorities respectively provide a heart hole that supplies a key to penetrate, it is characterized in that: described locking bolt front end central authorities form a circumference wall, and the side one is protruded moulding one fan-shaped protuberance, is formed with an arc-shaped depression portion in the middle of this fan-shaped protuberance both sides end face and the circumference wall jointly; Described lock housing front end face is concaved with a containing hole, in the described containing hole is to insert one to insert the commentaries on classics part, and this is inserted commentaries on classics part central authorities and provides a jack that supplies key to insert, and its periphery is concaved with a stopper slot, is inserted in two outside the described lock housing and supports the only alignment pin of this stopper slot; Described driving chip has a disk and thin plate, and bending convexes with a projection that moves on these disk and thin plate outer peripheral edges in described locking bolt arc-shaped depression portion, and describedly supports that to end fan-shaped protuberance end be that stopper rotates this locking bolt.
2. core as claimed in claim 1 is characterized in that: locate to be arranged with one in described lock shaft inside foremost and insert the commentaries on classics part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99110424 CN1092275C (en) | 1999-07-07 | 1999-07-07 | Lock core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99110424 CN1092275C (en) | 1999-07-07 | 1999-07-07 | Lock core |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1280237A CN1280237A (en) | 2001-01-17 |
| CN1092275C true CN1092275C (en) | 2002-10-09 |
Family
ID=5274545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99110424 Expired - Fee Related CN1092275C (en) | 1999-07-07 | 1999-07-07 | Lock core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1092275C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI710694B (en) * | 2015-07-07 | 2020-11-21 | 美商耶而安全公司 | Adjustable backset cylindrical latch |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102146747B (en) * | 2011-04-21 | 2012-12-26 | 上海理工大学 | Angle locked blade idling lock cylinder |
-
1999
- 1999-07-07 CN CN 99110424 patent/CN1092275C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI710694B (en) * | 2015-07-07 | 2020-11-21 | 美商耶而安全公司 | Adjustable backset cylindrical latch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1280237A (en) | 2001-01-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20021009 Termination date: 20100707 |