CN202324897U - Automobile door lock for preventing from being opened by abnormal key - Google Patents
Automobile door lock for preventing from being opened by abnormal key Download PDFInfo
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- CN202324897U CN202324897U CN 201120421564 CN201120421564U CN202324897U CN 202324897 U CN202324897 U CN 202324897U CN 201120421564 CN201120421564 CN 201120421564 CN 201120421564 U CN201120421564 U CN 201120421564U CN 202324897 U CN202324897 U CN 202324897U
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- sleeve
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- groove
- lock
- jacking block
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Abstract
The utility model discloses an automobile door lock for preventing from being opened by an abnormal key. The automobile door lock comprises a lock shell, wherein a lock core and a connecting piece are arranged in the lock shell in a clearance fit mode; a lock spring mechanism is arranged on the lock core; the connecting piece is connected with a transmission piece; a sleeve I and a sleeve II are adjacently sleeved on the lock core from top to bottom; an inclined surface groove and an inclined surface bump which are matched with each other are arranged between the bottom end of the sleeve I and the top end of the sleeve II; the sleeve I is matched with the lock spring mechanism of the lock core; the lower end of the sleeve II is contacted with the connecting piece; the bottom end of the lock core is contacted with the upper end of the connecting piece; a lock core bump is arranged at the bottom end of the lock core; a groove which is matched with the lock core bump is formed at the upper end of the connecting piece; a bump is arranged on an outer surface of the sleeve II; and a bump groove which is matched with the bump is formed in a cavity of the lock shell in the longitudinal direction. By adoption of the structure, the automobile door lock has the advantage that: the abnormal key cannot open or close a lockset and cannot damage parts in the lockset.
Description
Technical field
The utility model relates to lock technology field, especially relates to a kind of anti-improper key operated automobile door lock.
Background technology
The lockset of existing automotive door be mostly through key insert have the lock core of snap mechanism after, the screening in the snap mechanism is corresponding with profile of tooth on the key, and the top of screening can be consistent with the cylindrical of lock core, thereby lock core can be rotated in locking shell.Simultaneously, driving member and lock core connect together, and lock core rotate to drive driving member and rotates, thereby realize opening and locking of car door lockset.Such lockset is widely used, and is comparatively convenient.But, when improper key (keys that profile of tooth is different with original key) inserts lock core, and after the torsion that applies acquires a certain degree; The internal construction of lock particularly snap mechanism promptly can be damaged; So that influence the normal unlatching of car door, also might open door by car, cause automobile stolen.Therefore be necessary to improve.
The utility model content
Deficiency to above-mentioned prior art existence; The purpose of the utility model provides a kind of anti-improper key operated automobile door lock; It has when improper key inserts lock core and rotates, and not only can't open or lock lockset, and the characteristics that can not damage of the inner structure of lockset.
To achieve these goals, the technical scheme that the utility model adopted is: anti-improper key operated automobile door lock comprises the lock shell; The internal clearance of lock shell cooperates is provided with lock core and connector, and wherein, lock core is provided with snap mechanism; Connector is connected with driving member, and from top to bottom adjacent is with sleeve I and sleeve II on the said lock core, and is provided with surface groove and the inclined-plane projection that cooperatively interacts on the bottom of sleeve I and between the sleeve II top; And the snap mechanism of sleeve I and lock core matches, and the lower end of sleeve II contacts with connector, the last end in contact of the bottom of lock core and connector; Simultaneously, the bottom of lock core is provided with cylinder cam, and the upper end of connector is provided with the groove that matches with cylinder cam; Sleeve II external surface is provided with projection, and lock shell inner chamber is provided with the projection groove that matches with projection longitudinally.
Said surface groove is fixed in the bottom of sleeve I, and the inclined-plane boss is fixed in the top of sleeve II.
The lower end of said connector is connected with the pressure torsion spring.
The inner chamber downside of said sleeve I is provided with the jacking block draw-in groove, and the outer surface of lock core is provided with the jacking block groove, be provided with in the jacking block groove to have outside flexible jacking block, and jacking block and jacking block draw-in groove matches.
The tail end of said jacking block is hinged on the sidewall of jacking block groove, and is provided with the jacking block spring between the bottom of jacking block and jacking block groove.
After adopting said structure, the utility model is compared the advantage that is had with prior art and is: 1, lockset can't opened or lock to improper key.The anti-improper key operated automobile door lock of the utility model is being with two sleeves that are in contact with one another on the lock core, sleeve and the connector of below is contacted stirs cooperation and be positioned at.Simultaneously, be provided with surface groove and the inclined-plane boss that cooperatively interacts between two sleeves.Obviously, surface groove and inclined-plane boss are individually fixed on the contact jaw of two sleeves.Like this, in improper key inserts lock core and when twisting, the torsion spring device of lock core drives the sleeve that is positioned at the upper end and follows the lock core rotation, and the sleeve that is positioned at the lower end does not rotate.Like this; Originally the inclined-plane boss of wedging in surface groove deviate from from surface groove inside, causes the downward axial displacement of sleeve that is positioned at the below, promotes connector to bottom offset; Make between connector and the lock core and can't keep in touch connection; Connector does not rotate thereby lock core rotates, and then driving member can not work, and lockset can't leave or lock.2, improper key can not damage the lockset internal construction.Because when using improper key, no matter how key rotates, the parts in the lock tube except that the sleeve that is positioned at the top with the lockset rotation, miscellaneous part all can not rotate, and obviously can not cause the damage of lockset internal part.3, rational in infrastructure, can guarantee that lockset lockset after using improper key can accurately reset.On lock core, install and have outside flexible jacking block, simultaneously, the barrel bore downside that is positioned at the top is provided with the jacking block draw-in groove, and jacking block draw-in groove and jacking block match.Like this, when improper key turns, the sleeve that is positioned at the below is behind bottom offset, thereby the sleeve that is positioned at the top connects with the jacking block that is contained on the lock core.Have only when lock core goes back to the home position, be positioned at the sleeve return of below after, jacking block just can separate with the jacking block draw-in groove, prevented to use improper key to insert lock core and rotated, and lock core and be positioned at above sleeve broken away from the home position.After improper pairing key is extracted, after normal key inserts lock core, cause lock core to rotate and the sleeve that is positioned at the top does not rotate and causes this sleeve can not get back to the home position, and then the lockset situation of operate as normal once more.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is further specified:
Fig. 1 is the left TV structure sketch map of the utility model embodiment;
Fig. 2 is that the A-A of Fig. 1 is to view;
Fig. 3 is the main TV structure sketch map of the lock core of the utility model embodiment;
Fig. 4 is the upward view of Fig. 3;
Fig. 5 is that the sleeve I master of the utility model embodiment looks the sectional structure sketch map;
Fig. 6 is the upward view of Fig. 5;
Fig. 7 is the sleeve II master TV structure sketch map of the utility model embodiment;
Fig. 8 is the vertical view of Fig. 7;
Fig. 9 is that the master of the connector of the utility model embodiment looks the sectional structure sketch map;
Figure 10 is the vertical view of Fig. 9.
Among the figure: 1, lock shell; 2, lock core, 21, the jacking block groove, 22, screening groove, 23, lock core boss; 3, sleeve I, 31, surface groove, 32, the screening draw-in groove, 33, the jacking block draw-in groove; 4, sleeve II, 41, the inclined-plane boss, 42, projection; 5, connector, 51, groove, 52, the connector projection; 6, press torsion spring; 7, driving member; 8, screening; 9, screening spring; 10, jacking block; 11, jacking block pin; 12, jacking block spring; 13, E type clasp; 14, key.
The specific embodiment
The following stated is merely the preferred embodiment of the utility model, does not therefore limit the protection domain of the utility model.
Embodiment, see that Fig. 1 is to shown in Figure 10: anti-improper key operated automobile door lock comprises lock shell 1.The internal clearance of lock shell 1 cooperates is provided with lock core 2 and connector 5.Lock core 2 is provided with snap mechanism.Snap mechanism can take multiple common form, and such as being: lock core 2 is provided with screening groove 22, be provided with the screening 8 corresponding with the profile of tooth of normal key 14 in the screening groove 22, and screening 8 is furnished with screening spring 9.Like this, after first wife's normal key 14 inserted, screening 8 formed the normally cylindrical of no protruding screening 8 with lock core 2.That is: lock core 2 can rotate along with normal key 14 smoothly.Connector 5 is connected with driving member 7.Concrete, driving member 7 can be connected the afterbody of connector 5 through E type clasp 13.Certainly, the rotation of driving member 7 realizes opening and locking of lockset.
From top to bottom adjacent is with sleeve I 3 and sleeve II 4 on the lock core 2.Be provided with the surface groove 31 and inclined-plane projection 41 that cooperatively interact between the bottom of sleeve I 3 and the sleeve II4 top.Obviously, surface groove 31 and inclined-plane projection 41 can be individually fixed in bottom and the sleeve II4 top of sleeve I 3, or surface groove 31 and inclined-plane projection 41 are individually fixed in the bottom of sleeve II4 top and sleeve I 3.Optimize, surface groove 31 is fixed in the bottom of sleeve I 3, and inclined-plane boss 41 is fixed in the top of sleeve II 4.Like this, under normal condition, boss 41 wedgings in inclined-plane are in surface groove 31.Simultaneously, the snap mechanism of sleeve I 3 and lock core 2 matches.What is called matches here, refers to when snap mechanism operate as normal, and lock core 2 can rotate with the rotation of key 14 in sleeve I 3 normally.And when snap mechanism non-normal working, lock core 2 will drive sleeve I 3 and rotate when rotating.Such as, when snap mechanism taked aforesaid mode, sleeve I3 was provided with screening draw-in groove 32.Obviously, screening draw-in groove 32 matches with screening 8.Promptly; When screening 8 receives the profile of tooth extruding of improper key 14; Outside the periphery of the end protrusion lock core 2 of screening 8; Thereby get in the screening draw-in groove 32, and then when improper key 14 drives lock cores 2 rotations, the drive of 8 pairs of screening draw-in grooves 32 of part screening that lock core 2 protrudes through the end causes sleeve I 3 to follow lock core 2 to rotate simultaneously.
The lower end of sleeve II4 contacts with connector 5.The bottom of lock core 2 matches with separable realization lock core that contacts 2 in the upper end of connector 5 and connector 5.Concrete, the bottom of lock core 2 is provided with cylinder cam 23, and the upper end of connector 5 is provided with the groove 51 that matches with cylinder cam 23.Like this, when the last end in contact of the bottom of lock core 2 and connector 5, cylinder cam 23 is positioned at groove 51 when inner, and lock core 2 can drive connector 5 rotations.Simultaneously, sleeve II4 external surface is provided with projection 42, and lock shell 1 inner chamber is provided with the projection groove (not shown on the figure) that matches with projection 42 longitudinally.That is, projection 42 be positioned at the projection groove and can along as fast groove slide.Like this, sleeve II 4 only can can't rotate along the inner chamber length travel of locking shell 1.
For sleeve I 3, sleeve II 4 and connector 5 can closely be contacted each other, the lower end of connector 5 is provided with presses torsion spring 6.Certainly, this pressure torsion spring 6 simultaneously can be through connector 5 driven rotary lock core 2 in time return to the origin-location.Simultaneously, when the surface of connector 5 was provided with connector boss 52, connector boss 52 cooperatively interacted with lock shell 1, can realize that lock core 2 has the anglec of rotation of qualification.Certainly, the control of lock core 2 anglecs of rotation belongs to prior art.
Further, the inner chamber downside of sleeve I 3 is provided with jacking block draw-in groove 33, and the outer surface of lock core 2 is provided with jacking block groove 21, and jacking block groove 21 inside are provided with has outside flexible jacking block 10, and jacking block 10 matches with jacking block draw-in groove 33.That is, jacking block 10 has the trend that gets in the jacking block draw-in groove 33 under elastic reaction.Optimize, the tail end of jacking block 10 is hinged on the sidewall of jacking block groove 21 through jacking block pin 11, and is provided with jacking block spring 12 between between the bottom of jacking block 10 and jacking block groove 21.
The operating principle of the utility model: A, normal key insert.At this moment, snap mechanism operate as normal, lock core 2 has the end protrusion of no any screening 8 and gets into the normally cylindrical of screening draw-in groove 32 inside.Normal key 14 drives lock cores 2 rotations, and lock core 2 drives connectors 5 and rotates, and then driving member 7 rotates and realizes opening and locking of lockset.At this moment, sleeve I 3 does not rotate.B, improper key insert.At this moment, snap mechanism non-normal working, promptly some screening 8 end gets into screening draw-in groove 32 inside, and lock core 2 drives sleeve I 3 and rotates.And sleeve II 4 can't rotate, thereby inclined-plane projection 41 breaks away from from surface groove 31 is inner, thus sleeve II4 to bottom offset, sleeve II4 promotes connector 5 to bottom offset, and lock core boss 23 is separated with groove 51.At this moment, no matter how lock core 2 rotates all can't drive connector 5 rotations.That is, lock core 2 idle running, lockset can't leave or lock, and has also avoided the damage of lockset internal part.C, improper key insert and extract resetting of back sleeve I 3.When rotating in the improper key 14 insertion lock cores 2, sleeve II4 connects to jacking block draw-in groove 33 that forms sleeve I 3 behind the bottom offset and the jacking block 10 that is contained on the lock core 2.Have only the lock core 2 of working as to go back to the home position; Behind sleeve II 4 returns, jacking block 10 just can separate with jacking block draw-in groove 33, when having prevented that improper key 14 insertion lock cores 2 backs from rotating; Behind lock core 2 and the sleeve I 3 disengaging home positions; Improper key 14 is extracted, and follows that the lock core 2 that forms when normal key 14 inserts lock cores rotates and sleeve I 3 does not rotate, and then sleeve I 3 can not get back to the situation in home position.
Automobile lock, snap structure are widely-used at present, and other structure is identical with prior art with principle, repeats no more here.
Claims (5)
1. anti-improper key operated automobile door lock comprises lock shell (1), and the internal clearance of lock shell (1) cooperates is provided with lock core (2) and connector (5); Wherein, lock core (2) is provided with snap mechanism, and connector (5) is connected with driving member (7); It is characterized in that: from top to bottom adjacent sleeve I (3) and the sleeve II (4) of being with on the said lock core (2); And be provided with surface groove (31) and the inclined-plane projection (41) that cooperatively interacts between the bottom of sleeve I (3) and sleeve II (4) top, and the snap mechanism of sleeve I (3) and lock core (2) matches, the lower end of sleeve II (4) contacts with connector (5); The last end in contact of the bottom of lock core (2) and connector (5); Simultaneously, the bottom of lock core (2) is provided with cylinder cam (23), the groove (51) that the upper end of connector (5) is provided with and cylinder cam (23) matches; Sleeve II (4) external surface is provided with projection (42), the projection groove that lock shell (1) inner chamber is provided with longitudinally and projection (42) matches.
2. anti-improper key operated automobile door lock according to claim 1, it is characterized in that: said surface groove (31) is fixed in the bottom of sleeve I (3), and inclined-plane boss (41) is fixed in the top of sleeve II (4).
3. anti-improper key operated automobile door lock according to claim 1 is characterized in that: the lower end of said connector (5) is connected with presses torsion spring (6).
4. according to each described anti-improper key operated automobile door lock in the claim 1 to 3; It is characterized in that: the inner chamber downside of said sleeve I (3) is provided with jacking block draw-in groove (33); The outer surface of lock core (2) is provided with jacking block groove (21); Be provided with in the jacking block groove (21) and have outside flexible jacking block (10), and jacking block (10) and jacking block draw-in groove (33) match.
5. anti-improper key operated automobile door lock according to claim 1, it is characterized in that: the tail end of said jacking block (10) is hinged on the sidewall of jacking block groove (21), and is provided with jacking block spring (12) between the bottom of jacking block (10) and jacking block groove (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120421564 CN202324897U (en) | 2011-10-31 | 2011-10-31 | Automobile door lock for preventing from being opened by abnormal key |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120421564 CN202324897U (en) | 2011-10-31 | 2011-10-31 | Automobile door lock for preventing from being opened by abnormal key |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202324897U true CN202324897U (en) | 2012-07-11 |
Family
ID=46436878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120421564 Expired - Fee Related CN202324897U (en) | 2011-10-31 | 2011-10-31 | Automobile door lock for preventing from being opened by abnormal key |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202324897U (en) |
Cited By (1)
| 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 |
-
2011
- 2011-10-31 CN CN 201120421564 patent/CN202324897U/en not_active Expired - Fee Related
Cited By (1)
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120711 Termination date: 20151031 |
|
| EXPY | Termination of patent right or utility model |