CN218541896U - Ice breaking mechanism for automobile door lock - Google Patents

Abstract

The utility model discloses an ice breaking mechanism for an automobile door lock, which comprises a shell, a driving component, a pawl component and a clamping plate, wherein the clamping plate is rotationally connected with the shell through a first rotating shaft; the pawl assembly is rotatably connected to the shell through a second rotating shaft; the pawl assembly rotates along the axial direction of the second rotating shaft through the release lever, and the driving assembly is connected to the shell and can drive the clamping plate to rotate so as to unlock the clamping plate; the driving assembly comprises a driving unit and an ice breaking unit, the ice breaking unit comprises a pull rod and a push rod, the push rod is movably connected with the pull rod, the driving unit drives the pull rod to move and can drive the push rod to rotate, and the push rod drives the clamping plate to rotate along the axial direction of the first rotating shaft so as to open the clamping plate and complete unlocking. The mechanism is started to push the car door away for a certain distance, so that assistance is provided for manual opening or electric opening, and the customer satisfaction is improved.

Description

Ice breaking mechanism for automobile door lock

Technical Field

The utility model relates to an automobile door lock field, concretely relates to ice breaking mechanism for automobile door lock.

Background

When a traditional door lock unlocks a door, a ratchet wheel and pawl mechanism inside a lock body unlocks, and a door is bounced open by means of the compression potential energy of a door sealing strip. When the door is covered by rain or snow or the water remains frozen, the door cannot be flicked by the weather strip. In this case, a very large force is required to pull or push the door, and even the door is difficult to open. On the other hand, with the development of intelligent, motorized and shared vehicles, more and more vehicle models are beginning to be equipped with electrically-operated unlocking locks, as a result of which it is possible to use hidden handles and even to cancel the design of mechanical outer handles. In above-mentioned abominable low temperature sleet environment, the door is frozen, and hidden handle has certain probability can't pop out, is equivalent to not having outer handle, and the passenger will face the situation that no application of force can't open the door. One solution to this problem is to install additional overhead door actuators to push the door open a distance, but this solution adds complexity and cost to the system.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an icebreaking mechanism for automobile door lock adopts this mechanism can push the door a certain distance open, opens the door or electronic opening the door provides supplementaryly for manual, solves the door simultaneously and is frozen the problem that can't open.

The technical scheme of the utility model is that: an ice breaking mechanism for an automobile door lock comprises a shell, a driving assembly, a pawl assembly and a clamping plate, wherein the clamping plate is rotatably connected to the shell through a first rotating shaft; the pawl assembly is rotatably connected to the shell through a second rotating shaft; the pawl assembly rotates along the axial direction of the second rotating shaft through the release lever, and the driving assembly is connected to the shell and can drive the clamping plate to rotate so as to unlock the clamping plate;

the driving assembly comprises a driving unit and an ice breaking unit, the ice breaking unit comprises a pull rod and a push rod, the push rod is movably connected with the pull rod, the driving unit drives the pull rod to move and can drive the push rod to rotate, and the push rod drives the clamping plate to rotate along the axial direction of the first rotating shaft so as to open the clamping plate and complete unlocking.

Furthermore, the pushing rod is rotatably connected to the shell through a third rotating shaft, and the third rotating shaft is connected with a buffering column.

Furthermore, one end of the pull rod is movably connected with the push rod, the other end of the pull rod is provided with a guide block, the shell is provided with an arc-shaped groove matched with the guide block, and the guide block is connected in the arc-shaped groove in a sliding mode.

Furthermore, the driving unit comprises a driving motor, a main gear shaft and a pushing plate, the driving motor is connected to the shell, the pushing plate is rotatably connected to the inside of the shell, the driving motor drives the main gear shaft to rotate and drives the pushing plate to rotate, and the pushing plate drives the pull rod to move.

Furthermore, one end of the pushing plate is provided with a convex stop block, and the convex stop block and the pull rod are matched with each other for use; the other end of the pushing plate is provided with a plurality of connecting rods in an array mode, the connecting rods are all connected with pinions, and the pinions are meshed with the main gear shaft.

Furthermore, the shell is provided with a first spring, one end of the first spring is connected to the push rod, and the other end of the first spring is connected to the side wall of the shell.

Furthermore, the release lever is rotatably connected to the second rotating shaft, a second spring is arranged on one side of the release lever, one end of the second spring is connected to the side wall of the shell, and the other end of the second spring is connected to the release lever.

Furthermore, the release lever is connected with and promotes the piece, being equipped with of casing the cooperation promote the sliding tray that the piece used, promote the piece and pass the sliding tray with pawl subassembly joint is connected.

Furthermore, the driving assembly further comprises a self-suction unit, the self-suction unit comprises a linkage block and a push rod, the push rod is movably connected to the linkage block, and the linkage block is rotatably connected to the driving unit; the driving unit drives the linkage block to rotate and drives the push rod to move, and the push rod drives the clamping plate to rotate along the axial direction of the first rotating shaft so as to complete automatic closing of the clamping plate.

The utility model has the beneficial technical effects that:

1. the plurality of auxiliary gears are driven to rotate by the main gear shaft, so that the pushing plate is driven to rotate, and the stability of the pushing plate in the rotating process is ensured by utilizing the meshing of the gear pieces.

2. The catch bar is connected with protruding ejector pad, and the catch bar rotates the in-process and drives protruding ejector pad removal, drives linkage block removal through protruding ejector pad for the rotational speed of linkage block turns to all the same with the catch bar, when linkage block rotates, leans on with the cardboard counterbalance through drive push rod, and then reaches the purpose of locking.

3. The release lever can drive the pawl to rotate forwards and backwards, so that the clamping plate can be locked or unlocked.

4. The pushing block is connected with the clamping groove of the pawl in a clamping mode, so that the rotating speed of the release lever and the rotating speed of the pawl are the same, the rotating direction is the same, and the synchronization purpose is achieved.

5. The pawl is under the condition to the cardboard unblock, and the drive cardboard that can be quick through the setting of pull rod and catch bar rotates along the axial of first pivot, and then opens the cardboard unblock for the door is opened.

6. One end of the pull rod is provided with a hook-shaped feature and matched with the convex stop block of the push plate, the push plate rotates, so that the convex stop block drives the pull rod to move, the pull rod moves in the direction of the arc-shaped groove through the guide block, and the push rod can be driven to rotate in the moving process of the pull rod, so that the ice breaking effect is realized.

7. The catch bar is connected with first spring, utilizes the elasticity of first spring, can resume original position when the catch bar loses external force, the locking of the cardboard of being convenient for.

8. The effect of the unit that opens ice lies in the cardboard under the circumstances of unblock, if the door still can't be opened, can drive the cardboard through setting up the unit that opens ice and rotate to the personnel's external force of being convenient for is opened the door.

The above description is only an outline of the technical solution of the present invention, and in order to make the technical means of the present invention more clearly understood and to be implemented in accordance with the content of the specification, the following detailed description will be given of preferred embodiments of the present invention in conjunction with the accompanying drawings.

Drawings

Fig. 1 is a schematic structural view of a lock plate of the present invention;

fig. 2 is a schematic diagram of the ice breaking process of the present invention;

fig. 3 is a schematic structural diagram of the ice breaking unit of the present invention;

fig. 4 is a schematic structural diagram of a self-priming unit according to the present invention;

FIG. 5 is a schematic structural view of the pushing plate of the present invention;

fig. 6 is a schematic structural view of another view angle of the present invention;

fig. 7 is a schematic structural view of the main gear shaft of the present invention;

fig. 8 is a schematic structural diagram of the driving assembly of the present invention;

fig. 9 is a schematic structural view of the pawl of the present invention;

fig. 10 is a schematic structural view of the housing of the present invention;

fig. 11 is a schematic structural view of the release lever of the present invention.

The reference signs are:

100. a housing; 101. a transverse groove; 102. an arc-shaped slot; 200. clamping a plate; 201. a first rotating shaft; 202. a buffer column; 300. a pawl; 301. a second rotating shaft; 302. a pushing block; 303. a release lever; 304. a buffer member; 305. a card slot; 306. a sliding groove; 307. a second spring; 400. a drive unit; 401. a push plate; 402. a connecting rod; 403. a convex push block; 404. a raised stop block; 405. a drive motor; 406. a main gear shaft; 407. a pinion gear; 410. a self-priming unit; 411. a linkage block; 412. a push rod; 413. a limiting column; 420. an ice breaking unit; 421. a pull rod; 422. a push rod; 423. a bump; 424. a guide block; 425. a first spring.

Detailed Description

In order to make the technical means of the present invention clearer and to implement the present invention according to the content of the specification, the following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples, which are used for illustrating the present invention and are not intended to limit the scope of the present invention.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the accompanying drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or position relationship described based on the embodiments and shown in the drawings, or the orientation or position relationship that the products of the present invention are usually placed when using, which is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

As shown in fig. 1, fig. 2, fig. 3 and fig. 6, the present invention specifically relates to an ice breaking mechanism for an automobile door lock, which includes a housing 100, a driving assembly, a pawl assembly and a catch plate 200, wherein the catch plate 200 is rotatably connected to the housing 100 through a first rotating shaft 201; the pawl assembly is rotatably connected to the housing 100 through a second rotating shaft 301; the pawl assembly rotates along the axial direction of the second rotating shaft 301 through a release lever 303, and the driving assembly is connected to the housing 100 and can drive the card board 200 to rotate, so that the card board 200 is rotated in the door opening direction, and unlocking is realized;

there are generally two main actions of an automotive door lock, one being the opening of the door and the other being the closing of the door. The closing of the car door also comprises a half-lock state and a full-lock state of the car door lock; the opening of door includes the broken ice of automobile door lock to when solving the door because other outer unable openings, can let personnel open the door fast.

When the door was in the full lock state, pawl component and cardboard 200 laminating, and then made cardboard 200 lock. When the card board 200 needs to be unlocked, the release lever 303 drives the pawl assembly to rotate along the axial direction of the second rotating shaft 301, so that the pawl assembly is separated from the card board 200 for a short time, and the purpose of unlocking the card board 200 is achieved. At this time, the driving assembly is used in cooperation with the chucking plate 200, so that the chucking plate 200 rotates reversely to open the door for a certain distance.

As shown in fig. 1, 2 and 3, the driving assembly includes a driving unit 400 and an ice breaking unit 420, the ice breaking unit 420 includes a pull rod 421 and a push rod 422, the push rod 422 is movably connected to the pull rod 421, the driving unit 400 drives the pull rod 421 to move and can drive the push rod 422 to rotate, and the push rod 422 drives the chuck plate 200 to rotate along the axial direction of the first rotating shaft 201, so as to open the chuck plate 200 and complete unlocking.

It should be noted that, the driving unit 400 mainly functions to provide an external power, one end of the push rod 422 is rotatably connected to the casing 100, the other end of the push rod 422 is movably connected to the pull rod 421, and the push rod 422 is driven by the pull rod 421 to rotate, so that the push rod 422 pushes the card board 200 to rotate along the axial direction of the first rotating shaft 201, and the vehicle door can be opened for a certain distance.

As shown in fig. 1 and 2, the pushing rod 422 is rotatably connected to the housing 100 via a third shaft (not shown), and the third shaft is connected to the damping cylinder 202.

The buffer posts 202 are mainly used for buffering the card board 200 and limiting the moving stroke of the card board 200.

Wherein, cardboard 200 is connected with cushion column 202 joint all the time under the state of locking, and at this moment, cardboard 200 is located the top of catch bar 422 equally. One end of the push rod 422, which is far away from the pull rod 421, is provided with a bump 423, the bump 423 abuts against one side of the clamping plate 200, and when the pull rod 421 drives the push rod 422 to rotate axially along the third rotating shaft, the bump 423 on the push rod 422 extrudes towards one side of the clamping plate 200, so that the clamping plate 200 can be pushed to rotate axially along the first rotating shaft 201, and the purpose of opening the car door for a certain distance is achieved.

As shown in fig. 2, 3 and 10, one end of the pull rod 421 is movably connected to the push rod 422, the other end of the pull rod 421 is provided with a guide block 424, the housing 100 is provided with an arc-shaped groove 102 used in cooperation with the guide block 424, and the guide block 424 is slidably connected to the arc-shaped groove 102.

The pull rod 421 is slidably connected in the arc-shaped slot 102 through a guide block 424, and the moving direction of the pull rod 421 is limited; similarly, the arc-shaped groove 102 is located at one side of the driving unit 400, the driving unit 400 can drive the pull rod 421 to move along the length direction of the arc-shaped groove 102, so as to pull the pull rod 421, when the pull rod 421 is in a pulling state, the push rod 422 movably connected to the pull rod 421 synchronously rotates along the axial direction of the third rotating shaft, and applies a rotating external force to one side of the card board 200 through the protrusion 423 connected to the push rod 422.

As shown in fig. 1, 2, 5 and 6, the driving unit 400 includes a driving motor 405 connected to the housing 100, a main gear shaft 406 and a pushing plate 401, the pushing plate 401 is rotatably connected in the housing 100, the driving motor 405 drives the main gear shaft 406 to rotate and drives the pushing plate 401 to rotate, and the pushing plate 401 drives the pull rod 421 to move.

It should be noted that, the pushing plate 401 is rotatably connected in the housing 100, one end of the pushing plate 401 is connected with the main gear shaft 406, and the other end of the pushing plate 401 is connected with the linkage block 411; the driving motor 405 drives the main gear shaft 406 to rotate, the main gear shaft 406 drives the pushing plate 401 to rotate, the pushing plate 401 drives the linkage block 411 to rotate, when the linkage block 411 rotates, the pushing rod 412 can be driven to rotate, and then the pushing rod 412 extrudes the clamping plate 200, so that the automatic suction process is completed.

Similarly, the driving motor 405 drives the main gear shaft 406 to rotate reversely, the main gear shaft 406 drives the pushing plate 401 to rotate reversely, the pushing plate 401 drives the pull rod 421 to move along the length direction of the arc-shaped slot 102, and when the pull rod 421 is in the moving process, the pushing rod 422 movably connected to the pull rod 421 synchronously rotates along the axial direction of the third rotating shaft, so that the protrusion 423 connected to the pushing rod 422 applies a rotating external force to one side of the chuck plate 200 to complete the ice breaking process.

It can be seen that the power of the linkage block 411 is given by the push plate 401, and the linkage block 411 can be driven to rotate when the push plate 401 rotates. The axial directions of the pushing plate 401 and the linkage block 411 are the same, and when the push rod 412 moves, the rotation directions and the rotation speeds of the linkage block 411 and the pushing plate 401 are the same.

Similarly, the power of the pull rod 421 is provided by the pushing plate 401, and the pull rod 421 can be driven to move when the pushing plate 401 rotates. The moving direction of the pull rod 421 is the length direction of the arc-shaped groove 102, and the guide block 424 is matched with the arc-shaped groove 102 for use, so that the stability and the smoothness of the moving process of the pull rod 421 are ensured.

The linkage block 411 is rotatably connected to the pushing plate 401, and the linkage block 411 is located above the pushing plate 401.

As shown in fig. 5, 6, 7 and 8, one end of the pushing plate 401 is provided with a protruding stopper 404, and the protruding stopper 404 is used in cooperation with the pull rod 421; the other end of the pushing plate 401 is provided with a plurality of connecting rods 402 in an array manner, the connecting rods 402 are all connected with a pinion 407, and the pinion 407 is meshed with a main gear shaft 406; the main gear shaft 406 is located between the plurality of secondary gears 407.

Similarly, a protruding push block 403 connected to the push plate 401 is further disposed on one side of the protruding stopper 404, the protruding push block 403 is used in cooperation with the linkage block 411, and when the push plate 401 rotates, the linkage block 411 is driven to rotate by the protruding push block 403, so that power is provided for the linkage block 411.

As shown in fig. 1 and 4, in the self-priming state, the linkage block 411 is located above the pushing plate 401, and the protruding pushing block 403 is located at one side of the linkage block 411, as shown in fig. 6, 7 and 8, when the pushing plate 401 is driven to rotate by the main gear shaft 406, as shown in fig. 4, the linkage block 411 does not move; as shown in fig. 1 and 4, when the protruding pushing block 403 on the pushing plate 401 pushes towards one side of the linkage block 411, the linkage block 411 is driven to rotate synchronously, and at this time, the pushing rod 412 movably connected to the linkage block 411 moves synchronously, so that one end of the pushing rod 412 pushes towards one side of the clamping plate 200, and the self-priming process of the clamping plate 200 is completed.

As shown in fig. 2, 4, 6, 7 and 8, in the icebreaking state, the main gear shaft 406 drives the push plate 401 to rotate reversely, as shown in fig. 2, 3 and 5, the protruding stopper 404 located on the push plate 401 is connected with the pull rod 421 in a snap-fit manner, and pulls the pull rod 421, as shown in fig. 2, 3 and 10, when the pull rod 421 slides along the length direction of the arc-shaped slot 102, the push rod 422 movably connected to the pull rod 421 synchronously rotates along the axial direction of the third rotating shaft, thereby completing the icebreaking process for the catch plate 200.

As shown in fig. 2 and 3, the housing 100 is provided with a first spring 425, one end of the first spring 425 is connected to the push rod 422, and the other end of the first spring 425 is connected to a side wall of the housing 100, so that the push rod 422 can return to its original position when the external force is lost by the elasticity of the first spring 425, thereby facilitating the locking of the card board 200.

Whether the card 200 is locked or unlocked, the release lever 303 is required to move the pawl assembly so that the pawl assembly and the card 200 can be mated together, again it is emphasized that one side of the pawl assembly always abuts one side of the card 200 when the card 200 is in the locked or unlocked state.

As shown in fig. 1, 2 and 9, the pawl assembly includes a pawl 300, a buffer member 304 is provided on one side of the pawl 300 and connected to the housing 100, the buffer member 304 is provided to buffer the moving process of the pawl 300 and further limit the moving stroke of the pawl 300, and the pawl 300 is rotatably connected to the housing 100 through a second rotation.

As shown in fig. 1, 8 and 11, the release lever 303 is rotatably connected to the second rotating shaft 301, and a second spring 307 is disposed on one side of the release lever 303, one end of the second spring 307 is connected to a side wall of the housing 100, and the other end of the second spring 307 is connected to the release lever 303.

It should be noted that, the housing 100 is located between the pawl 300 and the release lever 303, the pawl 300 and the release lever 303 share the second rotating shaft 301, the release lever 303 is connected with the second spring 307, and the release lever 303 is driven by the elasticity of the second spring 307 to rotate along the axial direction of the first rotating shaft 201, so as to drive the pawl 300 to rotate, thereby locking the card 200.

Likewise, there is a constant speed and direction of movement between the pawl 300 and the release lever 303, so the resilience of the second spring 307 is also able to act directly on the pawl 300.

The release lever 303 is connected with a push block 302, the housing 100 is provided with a sliding groove 306 used for matching with the push block 302, and the push block 302 passes through the sliding groove 306 to be connected with the pawl component in a clamping mode.

It should be noted that, where the pawl assembly includes a pawl 300, the pusher block 302 is intended to snap-fit into engagement with the pawl 300 to enable the same speed and direction of movement between the pawl 300 and the release lever 303.

The pawl 300 is provided with a clamping groove 305, and the pawl 300 is connected with the pushing block 302 in a clamping mode through the clamping groove 305.

The pushing block 302 passes through the sliding groove 306 to be connected with the clamping groove 305 of the pawl 300 in a clamping mode, when the releasing rod 303 rotates, the pushing block 302 moves in the sliding groove 306 and drives the pawl 300 to rotate synchronously, the releasing rod 303 is used for driving the pawl 300 to rotate forwards or backwards, and therefore locking or unlocking of the card board 200 can be achieved.

The effect of synchronous rotation of the pawl 300 and the release lever 303 is achieved by the snap-fit connection of the catch 305 with the push block 302.

As shown in fig. 1 and 4, the driving assembly further includes a self-priming unit 410, the self-priming unit 410 includes a linkage block 411 and a push rod 412, the push rod 412 is movably connected to the linkage block 411, and the linkage block 411 is rotatably connected to the driving unit 400; the driving unit 400 drives the linkage block 411 to rotate and drives the push rod 412 to move, and the push rod 412 drives the card board 200 to rotate along the axial direction of the first rotating shaft 201, so as to complete the automatic closing of the card board 200.

The above embodiments have explained a process of self-priming and a process of the motion of the linkage block 411 and the push rod 412 in detail, and will not be described herein.

The card board 200 is in a half-locked state due to an external force, and is switched from the half-locked state to a full-locked state.

It should be noted that when the automobile door is closed, the automobile door is normally in two states, one is a half-lock state, and the other is a full-lock state, so-called a half-lock state, in which a gap exists when the automobile door is closed, and the automobile door in the half-lock state cannot be opened under the action of external force; the so-called fully locked state is usually the case when the vehicle door is completely closed.

When the automobile door is switched from a half-locking state to a full-locking state, the linkage block 411 drives the push rod 412 to move, and pushes the clamping plate 200 to rotate along the axial direction of the first rotating shaft 201 through the push rod 412, so that the clamping plate 200 is connected with the buffer column 202 connected to the shell 100 in a clamping mode.

The push rod 412 is connected with a limiting column 413, the housing 100 is provided with a transverse groove 101, the limiting column 413 penetrates into the transverse groove 101, and the transverse groove 101 is located at one side of the clamping plate 200.

The push rod 412 is movably connected with the linkage block 411, and is matched with the limit column 413 through the transverse groove 101, so that the moving stroke of the push rod 412 is limited, and the push rod 412 can push the clamping plate 200 to rotate along the axial direction of the first rotating shaft 201.

In addition, at first cardboard 200 because external force gets into half-lock state, after cardboard 200 got into half-lock state, linkage block 411 drive push rod 412 exerted an external force to cardboard 200 for cardboard 200 continues to rotate, thereby realizes the full lock.

In summary, when the pushing plate 401 rotates forward, the self-priming unit 410 can be driven to lock the car door, and when the pushing plate 401 rotates backward, the ice breaking unit 420 can be driven to push the car door away by a certain distance, so as to open the car door.

The above embodiments are only specific embodiments of the present invention, and are not intended to limit the technical solution of the present invention, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: those skilled in the art can still modify or easily conceive of changes in the technical solutions described in the foregoing embodiments or make equivalent substitutions for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention.

Claims (9)

1. An ice breaking mechanism for an automobile door lock is characterized by comprising a shell (100), a driving component, a pawl component and a clamping plate (200), wherein the clamping plate (200) is rotatably connected to the shell (100) through a first rotating shaft (201); the pawl assembly is rotatably connected to the shell (100) through a second rotating shaft (301); the pawl assembly rotates along the axial direction of the second rotating shaft (301) through a release lever (303), and the driving assembly is connected to the shell (100) and can drive the card board (200) to rotate so as to unlock the card board (200);

the driving assembly comprises a driving unit (400) and an ice breaking unit (420), the ice breaking unit (420) comprises a pull rod (421) and a push rod (422), the push rod (422) is movably connected with the pull rod (421), the driving unit (400) drives the pull rod (421) to move and can drive the push rod (422) to rotate, and the push rod (422) drives the clamping plate (200) to rotate along the axial direction of the first rotating shaft (201) so as to open the clamping plate (200) and complete unlocking.

2. The ice breaking mechanism for an automotive door lock according to claim 1, characterized in that the push lever (422) is rotatably connected to the housing (100) by a third rotating shaft, and a cushion post (202) is connected to the third rotating shaft.

3. The ice breaking mechanism for the automobile door lock as claimed in claim 2, wherein one end of the pull rod (421) is movably connected with the push rod (422), the other end of the pull rod (421) is provided with a guide block (424), the housing (100) is provided with an arc-shaped groove (102) matched with the guide block (424), and the guide block (424) is slidably connected in the arc-shaped groove (102).

4. The ice breaking mechanism for an automobile door lock according to claim 1, wherein the driving unit (400) comprises a driving motor (405) connected to the housing (100), a main gear shaft (406) and a pushing plate (401), the pushing plate (401) is rotatably connected in the housing (100), the driving motor (405) drives the main gear shaft (406) to rotate and drives the pushing plate (401) to rotate, and the pushing plate (401) drives the pull rod (421) to move.

5. The ice breaking mechanism for the automobile door lock as claimed in claim 4, wherein one end of the pushing plate (401) is provided with a protruding stop (404), and the protruding stop (404) is used in cooperation with the pull rod (421); the other end of the pushing plate (401) is provided with a plurality of connecting rods (402) in an array mode, the connecting rods (402) are all connected with pinions (407), and the pinions (407) are meshed with a main gear shaft (406).

6. The ice breaking mechanism for an automotive door lock according to claim 1, characterized in that the housing (100) is provided with a first spring (425), one end of the first spring (425) being connected to the push lever (422), and the other end of the first spring (425) being connected to a side wall of the housing (100).

7. The ice breaking mechanism for an automobile door lock according to claim 1, wherein the release lever (303) is rotatably connected to the second rotating shaft (301), and a second spring (307) is provided at one side of the release lever (303), one end of the second spring (307) is connected to a side wall of the housing (100), and the other end of the second spring (307) is connected to the release lever (303).

8. The ice breaking mechanism for an automobile door lock according to claim 7, characterized in that a push block (302) is connected to the release lever (303), a sliding groove (306) for matching with the push block (302) is formed in the shell (100), and the push block (302) passes through the sliding groove (306) to be connected with the pawl component in a clamping mode.

9. The ice breaking mechanism for an automotive door lock according to claim 1, characterized in that said drive assembly further comprises a self-priming unit (410), said self-priming unit (410) comprising a linkage block (411) and a push rod (412), said push rod (412) being movably connected to said linkage block (411), said linkage block (411) being rotatably connected to said drive unit (400); the driving unit (400) drives the linkage block (411) to rotate reversely and drives the push rod (412) to move, and the push rod (412) drives the clamping plate (200) to rotate along the axial direction of the first rotating shaft (201) so as to lock the clamping plate (200).

Images