CN209799648U - Automobile door lock - Google Patents

Abstract

the utility model relates to the technical field of auto-parts, in particular to automobile door lock, an automobile door lock, including lock body, hasp and actuating mechanism, wherein the lock body include the cardboard and with cardboard complex pawl, the lock body is still including base plate, apron, return spring and buffer block, be equipped with on the base plate and be used for placing return spring's spring groove is with being used for placing the buffer slot of buffer block still be equipped with the hasp groove of hasp looks adaptation, the base plate cooperatees with the apron. The return spring comprises a first return spring and a second return spring which are used for returning, and the buffer block comprises a large buffer block and a small buffer block which are used for buffering. The utility model provides an automobile door lock through increasing the buffer block structure, can effectively vibration/noise reduction at door switching in-process, and then improves the travelling comfort that people used.

Description

Automobile door lock

Technical Field

The utility model relates to the technical field of auto-parts, in particular to automobile door lock.

Background

The automobile door lock is an important part component of an automobile body and is a special part integrating safety, decoration and manufacturability. The automobile door lock mainly comprises a lock body, a lock catch and a driving mechanism. The lock body is the main part of the door lock and is generally arranged on the door of the automobile. A shackle (also sometimes referred to as a shackle or lock pin) is typically mounted on the vehicle body to correspond to the lock body as part of the mating with the lock body. The drive mechanism is a transmission member for transmitting motion and force such as key unlocking and handle unlocking. At present, most lock bodies adopt a counter-force dichotomous structure, and a half-locking state and a full-locking state can be conveniently realized through a clamping plate and a locking pawl.

With the development of the automobile industry, the functions and the types of automobile door locks are increasingly diversified, passengers have increasingly more knowledge about automobiles, and the requirement on the comfort of the automobiles is higher, wherein for automobile doors, certain noise can be generated in the opening and closing process of the automobile door locks, and the comfort of people can be influenced. In view of the above-mentioned shortcomings, the present invention provides an improvement.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of background art, the utility model provides an automobile door lock through increasing the buffer block structure, can effective vibration/noise reduction in door switching process, and then improves the travelling comfort that people used.

The utility model adopts the technical proposal that: the utility model provides an automobile door lock, includes lock body, hasp and actuating mechanism, wherein the lock body include the cardboard and with cardboard complex pawl, the pawl is last to have outstanding locking surface, have on the cardboard with locking surface corresponds first meshing surface and second meshing surface, the lock body is still including base plate, apron, return spring and buffer block, be equipped with on the base plate and be used for placing return spring's spring groove with be used for placing the buffer block's buffer slot still be equipped with the hasp groove of hasp looks adaptation, the base plate cooperatees with the apron.

Preferably, the return spring comprises a first return spring used for returning the catch plate and a second return spring used for returning the stop pawl, and the buffer block comprises a large buffer block and a small buffer block used for buffering.

preferably, the lock body is provided with a clamping plate shaft and a locking claw shaft, the clamping plate rotates around the clamping plate shaft, the locking claw rotates around the locking claw shaft, and the base plate is provided with a clamping plate shaft hole and a locking claw shaft hole.

Preferably, the buffer clamping groove on the base plate is further divided into a first buffer clamping groove for placing the large buffer block and a second buffer clamping groove for placing the small buffer block, and the base plate is further provided with a buffer boss for reinforcing the large buffer block.

Preferably, the large buffer block is provided with a first buffer surface, a second buffer surface and a third buffer surface for buffering.

Preferably, a fourth buffering surface for buffering is arranged on the small buffering block, a trapezoidal boss is arranged on the small buffering block, and the second buffering clamping groove is matched with the trapezoidal boss.

Preferably, the spring slot is further divided into a first spring slot for placing the first return spring and a second spring slot for placing the second return spring, the first buffer clamping slot is communicated with the first spring slot, and the first buffer clamping slot is communicated with the lock catch slot.

Preferably, one side of the first spring groove is provided with a limiting flange, and the clamping plate is provided with a return boss matched with the first return spring.

preferably, a spring clamping groove is formed in one side of the second spring groove, and a circular boss matched with the second return spring is arranged on the locking pawl.

To sum up, the beneficial effects of the utility model are that: the large buffer block is provided with three buffer surfaces, so that the effects of better buffering and shock absorption and noise reduction can be achieved in the opening and closing processes of the automobile door lock; the buffer surface arranged on the small buffer block can further reduce vibration and noise; the rotation and the return of the clamping plate and the locking pawl are completed through the close fit of the base plate, the return spring, the clamping plate and the locking pawl, so that the unlocking and the locking of the automobile door lock are facilitated.

The present invention will be further explained with reference to the accompanying drawings.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an overall structure diagram of the base plate of the present invention;

FIG. 3 is a schematic view of the position of the buffer block of the present invention;

FIG. 4 is a schematic structural view of the large buffer block of the present invention;

FIG. 5 is a schematic structural view of the small buffer block of the present invention;

FIG. 6 is a front view of the clamping plate of the present invention;

FIG. 7 is a schematic view of the reverse side of the clamping plate of the present invention;

FIG. 8 is a schematic structural view of the latch pawl of the present invention;

Fig. 9 is a schematic structural view of the cover plate of the present invention;

fig. 10 is a schematic view of the half-locked state of the present invention;

Fig. 11 is a schematic view of the fully locked state of the present invention;

the labels in the figure are: 1-catch plate, 2-catch pawl, 3-locking face, 4-first engaging face, 5-second engaging face, 6-base plate, 7-cover plate, 8-return spring, 9-buffer block, 10-spring groove, 11-buffer catch groove, 12-catch groove, 13-first return spring, 14-second return spring, 15-large buffer block, 16-small buffer block, 17-catch plate shaft, 18-catch pawl shaft, 19-catch plate shaft hole, 20-catch pawl shaft hole, 21-first buffer catch groove, 22-second buffer catch groove, 23-buffer boss, 24-first buffer face, 25-second buffer face, 26-third buffer face, 27-fourth buffer face, 28-trapezoidal boss, 29-first spring groove, 30-a second spring groove, 31-a limiting flange, 32-a return boss, 33-a spring clamping groove and 34-a round boss.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 11 in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

In order to make the purpose, technical solution and advantages of the present invention clearer, the following will combine the drawings in the embodiments of the present invention to perform more detailed description on the technical solution in the embodiments of the present invention.

The present invention mainly relates to an improvement of a lock body in an automobile door lock, and the lock catch and the driving mechanism may adopt any suitable existing structure, so the lock body of the present invention is mainly described below. For example, the lock catch may be of any conventional construction, such as a locking ring, locking pin, locking bar, etc. The drive mechanism may be powered by a power source such as a key or a motor and an intermediate transmission member such as a link or a wire.

As shown in fig. 1 to 11, the lock body includes a clamping plate 1 and a locking pawl 2 matched with the clamping plate 1, the locking pawl 2 is provided with a protruding locking surface 3, the clamping plate 1 is provided with a first engaging surface 4 and a second engaging surface 5 corresponding to the locking surface 3, the lock body further includes a base plate 6, a cover plate 7, a return spring 8 and a buffer block 9, the base plate 6 is provided with a spring slot 10 for placing the return spring 8 and a buffer slot 11 for placing the buffer block 9, and a lock catch slot 12 matched with the lock catch, and the base plate 6 is matched with the cover plate 7. The return spring 8 comprises a first return spring 13 for returning the catch plate 1 and a second return spring 14 for returning the latch claw 2, and the buffer block 9 comprises a large buffer block 15 and a small buffer block 16 for buffering. The lock body is provided with a clamping plate shaft 17 and a locking claw shaft 18, the clamping plate 1 rotates around the clamping plate shaft 17, the locking claw 2 rotates around the locking claw shaft 18, and a clamping plate shaft hole 19 and a locking claw shaft hole 20 are formed in the base plate 6 and the cover plate 7. The base plate 6 is matched with the cover plate 7 to form a key movable cavity of the lock body for playing a locking role. The first return spring 13 is capable of returning the catch plate 1 so that the catch plate 1 tends to rotate clockwise (as viewed in fig. 1) about the catch plate axis 17, and the second return spring 14 is capable of returning the holding pawl 2 so that the holding pawl 2 tends to rotate counterclockwise (as viewed in fig. 1) about the holding pawl axis 18. Buffer block 9 is including being used for big buffer block 15 and the little buffer block 16 of buffering, sets up a plurality of buffer blocks 9 and helps buffering the collision that takes place in the lock switching process better, the noise that produces when not only reducing the collision also can improve the stability of lock body, extension automobile door lock's life.

Buffer slot 11 on base plate 6 is further divided into first buffer slot 21 that is used for placing big buffer block 15 and is used for placing second buffer slot 22 of little buffer block 16, still be equipped with on base plate 6 and be used for strengthening big buffer block 15's buffering boss 23. Due to the arrangement of the large buffer block 15 and the small buffer block 16, a first buffer slot 21 for placing the large buffer block 15 and a second buffer slot 22 for placing the small buffer block 16 are further arranged on the substrate 6. The buffer boss 23 can bear the impact force generated when the stop pawl 2 collides with the large buffer block 15 during returning, so that the large buffer block 15 can be reinforced, and the service life of the large buffer block 15 is prolonged. The large buffer block 15 is provided with a first buffer surface 24, a second buffer surface 25 and a third buffer surface 26 for buffering, specifically, the large buffer block 15 is provided with the first buffer surface 24 for buffering the lock cylinder, the second buffer surface 25 for buffering the locking pawl 2 and the third buffer surface 26 for buffering the return boss 32. Big buffer block 15 can place well in first buffering draw-in groove 21, first buffering face 24 can cushion the automobile door lock and get into when full lock state the impact force that the hasp brought, second buffering face 25 can cushion pawl 2 is in the impact force that brings when the return is down under the effect of second return spring 14, third buffering face 26 can cushion the cardboard 1 is in the impact force that brings when the return is down under the effect of first return spring 13. Therefore, the three buffer surfaces of the large buffer block 15 can play good roles of buffering, damping and reducing noise in the opening and closing processes of the automobile door lock.

The small buffer block 16 is provided with a fourth buffer surface 27 for buffering, the small buffer block 16 is provided with a trapezoidal boss 28, and the second buffer clamping groove 22 is matched with the trapezoidal boss 28. The fourth buffer surface 27 can buffer the impact force brought by the clamping plate 1 when the automobile door lock enters a full-locking state, the trapezoidal boss 28 arranged on the small buffer block 16 is integrally isosceles trapezoid and clamped in the second buffer clamping groove 22, and the small buffer block 16 cannot slide relatively when the fourth buffer surface 27 performs a buffering function due to the cooperation of the trapezoidal boss 28 and the second buffer clamping groove 22, so that the small buffer block 16 can be fixed more firmly.

The spring slot 10 is further divided into a first spring slot 29 for placing the first return spring 13 and a second spring slot 30 for placing the second return spring 14, the first buffer slot 21 is communicated with the first spring slot 29, and the first buffer slot 21 is communicated with the locking slot 12. The first buffer slot 21 is communicated with the first spring slot 29 and the latch slot 12, thereby forming three buffer surfaces for buffering on the large buffer block 15. One side of the first spring groove 29 is provided with a limiting flange 31, and the clamping plate 1 is provided with a return boss 32 matched with the first return spring 13. A spring clamping groove 33 is formed in one side of the second spring groove 30, and a circular boss 34 matched with the second return spring 14 is arranged on the stop pawl 2. One end of the first return spring 13 abuts against one side of the first spring groove 29, and the other end abuts against the return boss 32, so that when the card board 1 rotates clockwise (as shown in fig. 1) around the card board shaft 17, the return boss 32 compresses the first return spring 13, thereby generating a tendency of returning the card board 1 by rotating counterclockwise. One end of the second return spring 14 is clamped in the spring clamping groove 33, and the other end of the second return spring is sleeved on the circular boss 34, when the locking pawl 2 rotates counterclockwise (as shown in fig. 1) around the locking pawl shaft 18, the circular boss 34 compresses the second return spring 14, so that the locking pawl 2 tends to rotate clockwise to return. The limit rib 31 arranged on one side of the first spring groove 29 can limit the maximum extension length of the first return spring 13, and the collision generated when the return boss 32 returns is reduced.

in the embodiment, the matching between the catch plate 1 and the locking pawl 2 adopts the prior art, and the locking and unlocking of the automobile door lock are realized through the matching between the first engaging surface 4, the second engaging surface 5 and the locking surface 3.

when the force applied to the door by the passenger is small, the door is not enough to overcome the reaction force of the door, the door lock catch plate 1 collides with a lock catch (not shown) on the side wall, so that the catch plate 1 rotates clockwise around the catch plate shaft 17 in fig. 1 under the impact energy, because the force applied is small, the catch plate 1 overcomes the spring force of the clockwise rotation trend of the latch claw 2 in the clockwise rotation, the movement of the catch plate 1 stops after the first engaging surface 4 of the catch plate 1 contacts and engages with the locking surface 3 of the latch claw 2, at this time, the catch plate 1 has the counterclockwise rotation trend under the action of the elastic force of the first return spring 13, and the latch claw 2 has the clockwise rotation trend under the action of the elastic force of the second return spring 14, so that the door lock is in a half-locked state, as.

When the door closing force of the passenger is greater, the second engaging surface 5 will pass over and engage the locking surface 3 of the latch claw 2 when the card 1 rotates clockwise. After engagement, the latch plate 1 and the latch claw 2 are engaged and locked with each other because they have a corresponding tendency to rotate about their respective hinge shafts under the action of their respective return springs 8, and the door lock is in a fully locked state, as shown in fig. 11.

The skilled person should understand that: although the present invention has been described in terms of the above embodiments, the inventive concept is not limited to this embodiment, and any modification that utilizes the inventive concept is intended to be within the scope of the present patent application.

Claims (9)

1. The utility model provides an automobile door lock, includes lock body, hasp and actuating mechanism, wherein the lock body include the cardboard and with cardboard complex pawl, the pawl is last to have outstanding locking surface, have on the cardboard with first joggle face and the second joggle face that locking surface corresponds, its characterized in that: the lock body is characterized by further comprising a base plate, a cover plate, a return spring and a buffer block, wherein the base plate is provided with a spring groove for placing the return spring and a buffer clamping groove for placing the buffer block, the lock body is further provided with a lock catch groove matched with the lock catch, and the base plate is matched with the cover plate.

2. An automobile door lock according to claim 1, wherein: the return spring comprises a first return spring used for returning the clamping plate and a second return spring used for returning the locking pawl, and the buffer block comprises a large buffer block and a small buffer block which are used for buffering.

3. an automobile door lock according to claim 2, wherein: the lock body is provided with a clamping plate shaft and a locking claw shaft, the clamping plate rotates around the clamping plate shaft, the locking claw rotates around the locking claw shaft, and the base plate is provided with a clamping plate shaft hole and a locking claw shaft hole.

4. An automobile door lock according to claim 3, wherein: the buffer clamping groove on the base plate is further divided into a first buffer clamping groove for placing the large buffer block and a second buffer clamping groove for placing the small buffer block, and the base plate is further provided with a buffer boss for reinforcing the large buffer block.

5. An automobile door lock according to claim 4, wherein: and the large buffer block is provided with a first buffer surface, a second buffer surface and a third buffer surface for buffering.

6. An automobile door lock according to claim 5, wherein: the small buffer block is provided with a fourth buffer surface for buffering, the small buffer block is provided with a trapezoidal boss, and the second buffer clamping groove is matched with the trapezoidal boss.

7. An automobile door lock according to claim 6, wherein: the spring groove is further divided into a first spring groove used for placing the first return spring and a second spring groove used for placing the second return spring, the first buffer clamping groove is communicated with the first spring groove, and the first buffer clamping groove is communicated with the lock catch groove.

8. an automobile door lock according to claim 7, wherein: one side of the first spring groove is provided with a limiting flange, and the clamping plate is provided with a return boss matched with the first return spring.

9. An automobile door lock according to claim 8, wherein: and a spring clamping groove is formed in one side of the second spring groove, and a circular boss matched with the second return spring is arranged on the locking pawl.