CN201850877U - Abnormal sound preventing device for back door lock - Google Patents
Abnormal sound preventing device for back door lock Download PDFInfo
- Publication number
- CN201850877U CN201850877U CN 201020502851 CN201020502851U CN201850877U CN 201850877 U CN201850877 U CN 201850877U CN 201020502851 CN201020502851 CN 201020502851 CN 201020502851 U CN201020502851 U CN 201020502851U CN 201850877 U CN201850877 U CN 201850877U
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- China
- Prior art keywords
- clamping plate
- housing
- clamp
- lock
- shell
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- Expired - Fee Related
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Abstract
The utility model relates to an abnormal sound preventing device for a back door lock, which comprises a shell, a lock case covering the shell, and a clamping plate arranged between the shell and the lock case. The clamping plate is rotatably mounted on the lock case or the shell, a clamping plate soundproofing block is arranged between a free end of the clamping plate and the side wall of the shell adjacent to the free end, the clamping plate soundproofing block is an elastic body, and two ends of the elastic body are respectively abutted to the clamping plate and the side wall of the shell. As the two ends of the clamping plate soundproofing block are respectively abutted to the clamping plate and the side wall of the shell, the free end of the clamping plate is limited from traveling to the adjacent side wall of the shell, namely the travel of the other end of the clamping plate is limited, and accordingly collision possibility of a clamping tongue with a lock pin is reduced, namely possibility of noise is reduced. Further, the clamping plate soundproofing block serving as the elastic body is capable of damping when the clamping plate rotates, impact strength can be reduced greatly when the clamping tongue collides with the lock pin, and accordingly the purpose of reducing noise is achieved.
Description
Technical field
The utility model relates to a kind of Lock for automobile, especially relates to the anti-abnormal sound device of a kind of rear door lock.
Background technology
When automobile back door is locked in closure, be prone to impact noise between block tongue and the lock pin post; During automobilism, when causing body oscillating, also be prone to impact noise between block tongue and the lock pin post owing to reason such as jolt; Impact noise during compared to closure, in the automobilism vibration more frequent, the frequency of occurrences of the impact noise that is caused is also higher, the discomfort that causes to the operator is more serious.For solve automobile back door be locked in the switching process open and close loud, use rear locking and lock pin can occur departing from for a long time and strike other irrelevant problems such as component wear that partly causes, there is the inventor to disclose the technology of " car rear door lock " (publication number CN 101260761A) by name, it is made up of lock body and lock pin, lock body is installed on the tailgate by the lock body installing hole, and lockpin ventilating is crossed the lock pin installing hole and is installed on the car body; Is made up of power interface, motor, block tongue cover and the turnover block tongue that is positioned at block tongue cover center on the lock body, motor connects by transmission mechanism and controls block tongue; Lock pin comprises locking pin seat, lock pin post and damping rubber block; The lock pin post is fixed in the middle of the locking pin seat, two damping rubber blocks are symmetricly set on the locking pin seat both sides respectively, the width of block tongue cover is suitable on distance between two damping rubber blocks and the lock body, the block tongue cover just can insert between two damping rubber blocks, and the block tongue at block tongue cover center cooperates with the lock pin post realizes locking.The disclosure technology has adopted the block tongue with lock body to adopt complete plastic structure, impact noise when having solved the rear door lock closure to a certain extent between block tongue and the lock pin, but, block tongue that causes during for the automobilism body oscillating and the impact noise between the lock pin post, the disclosure technology can not solve.
Summary of the invention
The utility model main purpose provides the anti-abnormal sound device of a kind of rear door lock, and it can effectively suppress car body and vibrate the impact noise that causes between block tongue and the lock pin post by the silencing apparatus that can limit rear door lock clamp shift motion is set.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals: a kind of rear door lock is prevented the abnormal sound device, comprise housing, be fastened on the lock housing on the housing, and be located at clamp between housing and the lock housing, this clamp is installed in rotation on lock housing or the housing, be provided with clamp noise elimination piece between the housing sidewall of the free end of described clamp and vicinity, this clamp noise elimination piece is an elastic body.Clamp is the structure that can rotate on lock housing or housing, when rear door lock is closed, if the clamp free end rotates to contiguous housing sidewall, will lean with the clamp piece of eliminating the noise; The setting of clamp noise elimination piece has limited the clamp free end to the stroke that contiguous housing sidewall moves, and has also just limited the stroke of clamp the other end, thereby has reduced the bump probability of block tongue and lock pin post, that is reduced the probability that noise produces; In addition, clamp noise elimination piece is an elastic body, and when clamp rotated, clamp noise elimination piece can play cushioning effect, and when the situation of block tongue bump lock pin post occurring, bump dynamics and speed also can significantly slacken, thereby play the purpose that reduces noise.
Clamp noise elimination piece can be fixed on the clamp, also can be fixed on the housing, and can adopt such as multiple common fixed connection structures such as boning, be spirally connected; As preferably, described clamp noise elimination piece is provided with positive stop lug boss, and this positive stop lug boss passes the corresponding hole that is provided with of housing and root is fastened in this hole.Positive stop lug boss is fastened on the housing, thereby the clamp piece of eliminating the noise is fixed on the housing; This fixed structure of positive stop lug boss, simple in structure, be easy to make, fixing reliable, especially easy to assembly, be suitable for producing in enormous quantities and use in making.
Common rear door lock which is provided with the groove adaptive with the lock pin post, for fixing usefulness; When rear door lock was closed, the lock pin post moved in the locking groove; As preferably, described lock housing is provided with the locking groove, and this locking groove bottom land is provided with buffer stopper.Buffer stopper can prevent the bottom land collision of lock pin post and locking groove effectively and produce noise.
The rear door lock on-off action is more frequent, so clamp noise elimination piece need have outside certain elasticity, also needs to have certain application life; As preferably, the material of described clamp noise elimination piece is a rubber.Adopt the rubber material, higher elasticity can be provided, also possess stronger durability simultaneously, its cost is also lower in addition.In like manner, the material of described buffer stopper is a rubber.
In sum, the elasticity clamp noise elimination piece that between clamp and housing sidewall, is provided with, can limit the clamp shift motion, both can reduce the bump probability of block tongue and lock pin post, can when clashing into the lock pin post, block tongue slacken the bump dynamics again, thereby suppress the impact noise between block tongue and the lock pin post effectively, the impact noise between block tongue that body oscillating causes when especially having suppressed automobilism and the lock pin post; In addition, in the locking groove of housing, buffer stopper is set, has then reduced the impact noise between block tongue and the lock pin post further; That the utility model also has is rational in infrastructure, be easy to characteristics such as making.
Description of drawings
Accompanying drawing 1 is a kind of structural representation of the anti-abnormal sound device of a kind of rear door lock of the utility model;
Accompanying drawing 2 is vertical views of accompanying drawing 1.
The specific embodiment
Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment: a kind of rear door lock of the utility model is prevented the abnormal sound device, and shown in accompanying drawing 1, accompanying drawing 2, it comprises housing 1, is fastened on the lock housing 5 on the housing 1, and is located at the clamp 6 between housing 1 and the lock housing 5.
Clamp 6 one ends are the block tongue 61 adaptive with the lock pin post of rear door lock, and the other end is a free end, and block tongue 61 can constitute locked state with the lock pin post, and the free end of clamp 6 is connected with claw 8 formations by spring 7; The middle part of clamp 6 is installed in rotation on the housing 1; Be provided with clamp noise elimination piece 11 between housing 1 sidewall of the free end of clamp 6 and vicinity.
Clamp noise elimination piece 11 is an elastic body.Clamp noise elimination piece 11 is provided with positive stop lug boss 111, and this positive stop lug boss 111 passes the housing 1 corresponding hole that is provided with and root is fastened in this hole, thereby clamp 6 is fixed on the housing 1.The material of clamp noise elimination piece 11 is a rubber.
When rear door lock is closed,, will lean with the clamp piece 11 of eliminating the noise if clamp 6 free ends rotate to contiguous housing 1 sidewall.
During use, under the actuating of other mechanisms, block tongue 61 opens to lock housing 4 outsides, and the lock pin post of rear door lock inserts in the locking groove 51, contacts with buffer stopper 4, and the lock pin post is return and fastened to block tongue 61, and so far, the closed action of rear door lock is finished.
When automobile bumpiness, body oscillating, make block tongue 61 be subjected to the active force of side direction in lock housing 4, at this moment, be resisted against clamp 6 free-ended clamp noise elimination pieces 11 and can form reciprocal active force simultaneously, so, clamp noise elimination piece 11 can limit and make the distance that block tongue 61 moves to the lock pin post and slow down impact velocity, thereby reduced the probability of block tongue 61 bump lock pin posts, the pin even block tongue 61 final bumps are locked, the dynamics and the speed of bump also can greatly reduce because of cushioning effect, and the noise that is produced also just has been subjected to inhibition.
Because body oscillating is more frequent during automobilism, the impact noise between the inner buckling pieces such as rear door lock block tongue that is caused and lock pin post is usually followed in whole stroke, and therefore, the utility model can significantly improve operator's comfort level.
Claims (5)
1. a rear door lock is prevented the abnormal sound device, comprise housing (1), be fastened on the lock housing (5) on the housing (1), and be located at clamp (6) between housing (1) and the lock housing (5), clamp (6) is installed in rotation on lock housing (5) or the housing (1), it is characterized in that: be provided with clamp noise elimination piece (11) between housing (1) sidewall of the free end of described clamp (6) and vicinity, this clamp noise elimination piece (11) is an elastic body.
2. a kind of rear door lock according to claim 1 is prevented the abnormal sound device, it is characterized in that: described clamp noise elimination piece (11) is provided with positive stop lug boss (111), and this positive stop lug boss (111) passes the corresponding hole that is provided with of housing (1) and root is fastened in this hole.
3. a kind of rear door lock according to claim 1 is prevented the abnormal sound device, it is characterized in that: the material of described clamp noise elimination piece (11) is a rubber.
4. according to claim 1 or the anti-abnormal sound device of 2 or 3 described a kind of rear door locks, it is characterized in that: described lock housing (5) is provided with locking groove (51), and this locking groove (51) bottom land is provided with buffer stopper (4).
5. a kind of rear door lock according to claim 4 is prevented the abnormal sound device, it is characterized in that: the material of described buffer stopper (4) is a rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020502851 CN201850877U (en) | 2010-08-24 | 2010-08-24 | Abnormal sound preventing device for back door lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020502851 CN201850877U (en) | 2010-08-24 | 2010-08-24 | Abnormal sound preventing device for back door lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201850877U true CN201850877U (en) | 2011-06-01 |
Family
ID=44093276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020502851 Expired - Fee Related CN201850877U (en) | 2010-08-24 | 2010-08-24 | Abnormal sound preventing device for back door lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201850877U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103375067A (en) * | 2012-04-17 | 2013-10-30 | 北汽福田汽车股份有限公司 | Structure with back door lock catch of automobile |
| CN105793505A (en) * | 2013-11-30 | 2016-07-20 | 开开特股份公司 | Motor vehicle door lock |
| CN111051634A (en) * | 2017-09-05 | 2020-04-21 | 开开特股份公司 | Motor vehicle lock with braking element |
-
2010
- 2010-08-24 CN CN 201020502851 patent/CN201850877U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103375067A (en) * | 2012-04-17 | 2013-10-30 | 北汽福田汽车股份有限公司 | Structure with back door lock catch of automobile |
| CN105793505A (en) * | 2013-11-30 | 2016-07-20 | 开开特股份公司 | Motor vehicle door lock |
| CN111051634A (en) * | 2017-09-05 | 2020-04-21 | 开开特股份公司 | Motor vehicle lock with braking element |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110601 Termination date: 20170824 |