CN202627715U - Automobile antitheft door lock - Google Patents
Automobile antitheft door lock Download PDFInfo
- Publication number
- CN202627715U CN202627715U CN 201220322749 CN201220322749U CN202627715U CN 202627715 U CN202627715 U CN 202627715U CN 201220322749 CN201220322749 CN 201220322749 CN 201220322749 U CN201220322749 U CN 201220322749U CN 202627715 U CN202627715 U CN 202627715U
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- lock
- lock core
- groove
- clutch block
- sleeve
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- Expired - Fee Related
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Abstract
The utility model discloses an automobile antitheft door lock, which comprises a lock case, a lock cylinder, a cylinder casing, a torsion spring and an actuating arm. The lock cylinder comprises a lock plate and a lock plate spring. The lock cylinder is movably installed in the cylinder casing. The cylinder casing is movably installed in the lock case. A lock plate clamping groove which is in clamping fit with the lock plate of the lock cylinder is arranged in the cylinder casing. The automobile antitheft door lock additionally comprises a clutch block. An inclined-surface boss is arranged at the bottom of the cylinder casing. An inclined-surface groove which is matched with the inclined-surface boss is arranged in the lock case. The cylinder casing is obliquely connected with the lock case. The clutch block is arranged between the cylinder casing and the torsion spring and presses the cylinder casing under the effect of the torsion spring. A groove is arranged in the clutch block. A boss which is in clamping fit with the periphery of the groove is arranged on the lock cylinder. The actuating arm is installed onto the clutch block in a circumferentially linked way and is rotatably connected with the lock cylinder through a limiting piece. The automobile antitheft door lock has the advantages of violent opening resistance and good antitheft effect.
Description
Technical field
The utility model relates to a kind of auto parts machinery, specifically is meant a kind of automobile burglar door lock.
Background technology
Traditional automobile door lock is that profile of tooth numbering on the key is corresponding with one by one with the locking plate of lock core after inserting lockhole through key, make locking plate can with lock core rotation drive actuating arm, realize opening and locking of car door mechanism.The defective of this structure is after non-original key inserts, apply certain torsion after, when power acquires a certain degree, the internals of lock can be damaged, so that influence the normal unlatching of car door, also might be opened by car door, automobile is stolen.
Summary of the invention
The purpose of the utility model is in order to overcome the shortcoming and defect that prior art exists, and a kind of correct key that do not use is provided, and can not open car door, also can not damage gained lock internals and can reach the automobile burglar door lock of anti-theft effect.
Be to realize that above-mentioned purpose, the technical scheme of the utility model are to include lock shell, lock core, sleeve, turn round stage clip and actuating arm, described lock core includes locking plate and locking plate spring; Described lock core is movably arranged in the sleeve, and described sleeve is movably arranged in the lock shell, and described sleeve is provided with the locking plate draw-in groove of joining with the locking plate card of lock core; Also include clutch block, the bottom of described sleeve is provided with the inclined-plane boss, and described lock shell is provided with and the suitable inclined plane groove of inclined-plane boss; Constitute sleeve and lock that shell is oblique to be connected, clutch block is arranged on sleeve and turns round between the stage clip, and clutch block is pushed down sleeve through the effect of turning round stage clip; Be provided with groove in the said clutch block; Described lock core is provided with groove and circumferentially blocks the boss of joining, and actuating arm circumferentially interlock is installed on the clutch block, and is rotationally connected through locating part and lock core; The inclined-plane boss of described sleeve is under the state of the inclined plane groove of release lock shell, and the groove of described clutch block and the boss of lock core are disengaged position.
Further being provided with is that described lock core is provided with the lock core groove; This lock core groove include along the circumferential first lock core groove be communicated in the first lock core groove and be the second lock core groove of axial setting, described sleeve lining is provided with the projection adaptive with the lock core groove.
The lower end periphery that further setting is described clutch block is provided with positive stop lug boss, and described lock-shell lining is provided with the rotational angle stopper slot adaptive with positive stop lug boss.
Further being provided with is to be symmetrically arranged with two joint pins on the described clutch block, and described actuating arm is provided with the connecting hole with this joint pin slip inserting, constitutes actuating arm and cooperates with circumferential rotation, the axial slip of clutch block.
Further being provided with is the described also appliance that stage clip is torsion spring and stage clip of turning round.
The utility model automobile burglar door lock reverses key after non-original key inserts, lock core rotates and actuating arm does not rotate, and car door can not be opened, and can prevent effectively that therefore violence from unblanking, and has outstanding anti-theft effect.
Below be several kinds of duties of the utility model door lock:
Key turns state when (1) normally matching:
Effect lower clutch block turning round stage clip is pushed down sleeve, and sleeve is connected with the lock shell, and lock core and clutch block are connected; Clutch block and actuating arm are connected; Normal pairing key inserts lock core, and locking plate is regained fully, at this moment; Lock core drives clutch block during rotation, and clutch block drives actuating arm and rotates realization door lock switching lock function.
(2) illegal when pairing (undesired) key turns state:
Incorrect pairing key inserts lock core, and locking plate can all not regained in the lock core groove, and locking plate is stuck in the locking plate draw-in groove on the sleeve; When the certain low-angle of rotation reached certain limit with torsion, sleeve overcame the active force of turning round stage clip and drives the clutch block axially-movable, sleeve and the disengagement of lock shell; Lock core and clutch block, lock core and clutch block are thrown off lock core, and lock core changes; And clutch block and actuating arm can not change, thereby realize lost motion functionality.
(3) return after the incorrect key turns:
For preventing that undesired pairing key from inserting when rotating behind the lock core; Undesired pairing key was extracted after lock core and sleeve broke away from the home position; Correct key inserts lock core, and lock core rotates and sleeve does not rotate and causes sleeve part can get back to the home position, and on sleeve, is provided with the projection of symmetry; Be provided with the lock core groove of symmetry on the lock core: sleeve and lock core link together when incorrect key turns; Have only when lock core goes back to home position sleeve return, the sleeve projection separates with lock core groove on the lock core, guarantees that the lock core function is normal.
The new automobile theft-proof door lock structure of the utility model is simple and reliable, cost is low, increases Lock cylinder idling function anti-theft device, and lock core normally rotated when the key that normally matches inserted; When inserting, undesired pairing key reverses key or strong destruction; Open that lock core turns an angle that door lock core when reaching certain limit with torsion rotates and latch mechanism (actuating arm) that door lock core drives is not worked; Can not open car door, also can not damage the internal construction of lock.This lost motion functionality of lock core both because of opening car door, had anti-theft feature, again can the damage car door, automobile is had defencive function.
Below in conjunction with the Figure of description and the specific embodiment the utility model is done further introduction.
Description of drawings
Fig. 1 the utility model structure sectional view;
Fig. 2 the utility model STRUCTURE DECOMPOSITION figure;
Fig. 3 is the stereogram of the utility model sleeve;
Fig. 4 is the structure sectional view of the utility model lock shell;
Fig. 5 is the structure sectional view of the utility model clutch block;
Fig. 6 is the structural representation of utility model actuating arm;
The specific embodiment
Through embodiment the utility model is carried out concrete description below; Only be used for the utility model is further specified; Can not be interpreted as the qualification to the utility model protection domain, the technician in this field can make some nonessential improvement and adjustment to the utility model according to the content of above-mentioned utility model.
The specific embodiment of the utility model shown in Fig. 1-6 includes lock shell 1, lock core 2, sleeve 3, turns round stage clip 4 and actuating arm 5, and described lock core 2 includes locking plate 21 and locking plate spring 22; Described lock core 2 is movably arranged in the sleeve 3, and described sleeve 3 is movably arranged in the lock shell 1, and described sleeve 3 is provided with the locking plate draw-in groove 31 of joining with the locking plate card of lock core; Also include clutch block 6, the bottom of described sleeve 3 is provided with inclined-plane boss 32, described lock shell 1 be provided with inclined-plane boss 32 suitable inclined plane groove 11; Constitute sleeve 3 and lock 1 oblique connection of shell; Clutch block 6 is arranged on sleeve 3 and turns round between the stage clip 4, and clutch block 6 is pushed down sleeve 3 through the effect of turning round stage clip 4, is provided with groove 61 in the said clutch block 6; Described lock core 2 is provided with groove 61 and circumferentially blocks the boss 23 of joining; Actuating arm 5 circumferentially interlock is installed on the clutch block 6, and is rotationally connected through locating part 7 and lock core 2, and this locating part 7 of present embodiment is a split washer; The inclined-plane boss 32 of described sleeve 3 is under the state of the inclined plane groove 11 of release lock shell; The groove 61 of described clutch block 6 is disengaged position with the boss 23 of lock core, and in addition, the described lock core 2 of present embodiment is provided with lock core groove 24; This lock core groove 24 include along the circumferential first lock core groove be communicated in the first lock core groove and be the second lock core groove of axial setting, described sleeve 3 inwalls are provided with the projection 33 adaptive with the lock core groove.
In addition, the lower end periphery of the described clutch block 6 of present embodiment is provided with positive stop lug boss 62, and described lock shell 1 inwall is provided with the rotational angle stopper slot 12 adaptive with positive stop lug boss 62.
In addition, be symmetrically arranged with two joint pins 63 on the described clutch block 6, described actuating arm 5 is provided with the connecting hole 51 with the 63 slip insertings of this joint pin, constitutes actuating arm 5 and cooperates with circumferential rotation, the axial slip of clutch block 6.
Present embodiment is described turn round stage clip 4 be torsion spring and stage clip and appliance.
The operating principle of the utility model is:
After original key inserted lock core 2, the locking plate 21 in the lock core 2 overcame the elastic force of locking plate spring 22 and regains in the locking plate groove of lock core 2 tangently with outer face surface, rotates and does not have resistance, lock core 2 to rotate; When lock core 2 rotates, there is lock core 2 to drive clutch block 6 and rotates, rotate thereby clutch block 6 connects the actuating arm 5 of one, thereby the unlatching that realizes latch mechanism reaches unlocking function.
After non-original key inserted lock core 2, the locking plate 21 in the lock core 2 can be just uneven, and the raised area can be stayed in the locking plate draw-in groove 31 on the sleeve 3, and the projection 33 on the sleeve 3 links together with the second lock core groove on the lock core 2; Have only when lock core 2 to go back to the home position, projection 33 separates with the second lock core groove on the lock core 2 during sleeve 3 returns, and assurance lock core 2 functions are normal.The power of rotational lock core 2 can directly pass on the sleeve 3 through locking plate 21, and this moment, sleeve 3 had the trend of rotation.When torsion and rotational angle reach certain limit; Sleeve 3 is not enough to overcome the power that sleeve 3 rotates with lock shell 1 connection inclined (being inclined-plane boss 32 and inclined plane groove 11 fitting faces); Can only be along the inclined-plane release lock shell 1, this moment, sleeve 3 broke away from lock cores 2 toward axially moving up and driving clutch block 6, and the positive stop lug boss 62 that is provided with of clutch block 6 is locked the rotational angle stopper slot 12 that shell 1 is provided with and stoped clutch blocks 6 counterclockwise and clockwise rotations; The actuating arm 5 that is fitted together with clutch block 6 so can not change; Reach car door and can not be opened, realized the lost motion functionality of this lock, thereby play the protection of automobile door lock and prevent the effect that automobile is stolen.
Along with the rotation of lock core 2 is rotated together, car door is opened the actuating arm 5 of the described new automobile safe-guard door lock of the utility model just often; When lost motion functionality, actuating arm 5 is can be along with lock core 2 does not rotate, and car door can not be opened, and lock core 2 can not be damaged yet.
Claims (5)
1. an automobile burglar door lock includes lock shell, lock core, sleeve, turns round stage clip and actuating arm, and described lock core includes locking plate and locking plate spring; Described lock core is movably arranged in the sleeve, and described sleeve is movably arranged in the lock shell, and described sleeve is provided with the locking plate draw-in groove of joining with the locking plate card of lock core; It is characterized in that: also include clutch block, the bottom of described sleeve is provided with the inclined-plane boss, and described lock shell is provided with and the suitable inclined plane groove of inclined-plane boss; Constitute sleeve and lock that shell is oblique to be connected, clutch block is arranged on sleeve and turns round between the stage clip, and clutch block is pushed down sleeve through the effect of turning round stage clip; Be provided with groove in the said clutch block; Described lock core is provided with groove and circumferentially blocks the boss of joining, and actuating arm circumferentially interlock is installed on the clutch block, and is rotationally connected through locating part and lock core; The inclined-plane boss of described sleeve is under the state of the inclined plane groove of release lock shell, and the groove of described clutch block and the boss of lock core are disengaged position.
2. a kind of automobile burglar door lock according to claim 1; It is characterized in that: described lock core is provided with the lock core groove; This lock core groove include along the circumferential first lock core groove be communicated in the first lock core groove and be the second lock core groove of axial setting, described sleeve lining is provided with the projection adaptive with the lock core groove.
3. a kind of automobile burglar door lock according to claim 2 is characterized in that: the lower end periphery of described clutch block is provided with positive stop lug boss, and described lock-shell lining is provided with the rotational angle stopper slot adaptive with positive stop lug boss.
4. a kind of automobile burglar door lock according to claim 3; It is characterized in that: be symmetrically arranged with two joint pins on the described clutch block; Described actuating arm is provided with the connecting hole with this joint pin slip inserting, constitutes actuating arm and cooperates with circumferential rotation, the axial slip of clutch block.
5. a kind of automobile burglar door lock according to claim 4 is characterized in that: described turn round stage clip be torsion spring and stage clip and appliance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220322749 CN202627715U (en) | 2012-07-03 | 2012-07-03 | Automobile antitheft door lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220322749 CN202627715U (en) | 2012-07-03 | 2012-07-03 | Automobile antitheft door lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202627715U true CN202627715U (en) | 2012-12-26 |
Family
ID=47380924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220322749 Expired - Fee Related CN202627715U (en) | 2012-07-03 | 2012-07-03 | Automobile antitheft door lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202627715U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103967354A (en) * | 2014-05-27 | 2014-08-06 | 贵州华昌汽车电器有限公司 | Antitheft idling door lock for automobile |
| CN104538231A (en) * | 2015-01-07 | 2015-04-22 | 浙江雷牌机件有限公司 | Keyless system ignition switch |
| CN108198723A (en) * | 2018-02-08 | 2018-06-22 | 温州美宝龙车业有限公司 | A kind of firing switch lock that can start and have key to start without key |
| CN110159079A (en) * | 2018-03-12 | 2019-08-23 | 韦启纯 | A kind of unlocking tool for car door |
| CN110952842A (en) * | 2019-12-25 | 2020-04-03 | 黄山奥特斯电气股份有限公司 | Dual anti-violence unlocking structure |
-
2012
- 2012-07-03 CN CN 201220322749 patent/CN202627715U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103967354A (en) * | 2014-05-27 | 2014-08-06 | 贵州华昌汽车电器有限公司 | Antitheft idling door lock for automobile |
| CN104538231A (en) * | 2015-01-07 | 2015-04-22 | 浙江雷牌机件有限公司 | Keyless system ignition switch |
| CN108198723A (en) * | 2018-02-08 | 2018-06-22 | 温州美宝龙车业有限公司 | A kind of firing switch lock that can start and have key to start without key |
| CN108198723B (en) * | 2018-02-08 | 2023-04-07 | 温州美宝龙车业有限公司 | Ignition switch lock capable of being started without key and started with key |
| CN110159079A (en) * | 2018-03-12 | 2019-08-23 | 韦启纯 | A kind of unlocking tool for car door |
| CN110159079B (en) * | 2018-03-12 | 2021-01-26 | 韦启纯 | Unlocking tool for automobile door |
| CN110952842A (en) * | 2019-12-25 | 2020-04-03 | 黄山奥特斯电气股份有限公司 | Dual anti-violence unlocking structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20190903 Granted publication date: 20121226 |
|
| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20220703 Granted publication date: 20121226 |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121226 Termination date: 20200703 |