CN220955131U - Tail door lock, tail door assembly and vehicle - Google Patents

Abstract

The application provides a tail door lock, a tail door assembly and a vehicle. The tail door lock comprises a lock shell, a lock tongue and a pawl, wherein an accommodating space is formed in the lock shell; the lock tongue is arranged in the accommodating space and is movably connected with the lock shell; the pawl is arranged in the accommodating space, the pawl is movably connected with the lock shell, the lock tongue and the pawl are arranged along a first direction, and the pawl is connected with the lock tongue in a linkage way; buffer structures are arranged between the lock tongue and the lock shell, between the pawl and the lock shell and/or between the lock tongue and the pawl. The tail door lock, the tail door assembly and the vehicle provided by the application can effectively reduce noise generated in the linkage process of the lock tongue and the linkage part, and improve the use experience of consumers.

Description

Tail door lock, tail door assembly and vehicle

Technical Field

The application relates to the technical field of locks for vehicles, in particular to a tail door lock, a tail door assembly and a vehicle.

Background

The tail door lock is an important component part of the vehicle tail door assembly and is used for realizing the opening and closing of the vehicle tail door. The tail door lock mainly comprises a lock shell, a lock tongue and a plurality of linkage parts, wherein the lock tongue and the linkage parts are arranged in the lock shell, and a part of the lock tongue can extend out of the lock shell to be connected with a lock catch arranged on a vehicle so as to realize the locking function of the lock tongue.

In the use process, the lock tongue and the linkage part can collide with each other in the linkage process to generate noise, so that the use experience of consumers is affected.

Disclosure of utility model

The application provides a tail door lock, a tail door assembly and a vehicle, which can effectively reduce noise generated in the linkage process of a lock tongue and a linkage part and improve the use experience of consumers.

The application provides a tail door lock, wherein the tail door lock comprises a lock shell, a lock tongue and a pawl, wherein an accommodating space is formed in the lock shell; the lock tongue is arranged in the accommodating space and is movably connected with the lock shell; the pawl is arranged in the accommodating space, the pawl is movably connected with the lock shell, the lock tongue and the pawl are arranged along a first direction, and the pawl is connected with the lock tongue in a linkage way; buffer structures are arranged between the lock tongue and the lock shell, between the pawl and the lock shell and/or between the lock tongue and the pawl.

The tail door lock as described above, wherein the buffer structure includes a first buffer member, the lock tongue is rotatably connected with the lock shell, the periphery of the lock tongue is provided with a first abutting position at one side away from the pawl; the inside of the lock shell is provided with a first limit position; the first buffer piece is arranged at the first abutting position or the first limiting position;

The tail door lock is provided with a locking state, in the locking state, the first abutting position corresponds to the first limiting position, and the first buffer piece is clamped between the first abutting position and the first limiting position.

The tail door lock comprises a first buffer piece, a pawl and a second buffer piece, wherein the pawl is rotatably connected with the lock shell, the pawl is provided with a first end, and one side of the first end, facing the lock tongue, is provided with a second abutting position; a second limiting position is arranged in the lock shell; the second buffer piece is arranged at the second abutting position or the second limiting position;

The tail door lock is provided with an unlocking state, in the unlocking state, the second abutting position corresponds to the second limiting position, and the second buffer piece is clamped between the second abutting position and the second limiting position.

The tail door lock comprises a first buffer piece, a second buffer piece, a pawl and a spring bolt, wherein the buffer structure comprises a first buffer piece, the pawl is provided with a second end opposite to the first end, and one side of the second end, which is away from the spring bolt, is provided with a first abutting position; a third limit position is also arranged in the lock shell; the third buffer piece is arranged at the third abutting position or the third limiting position;

In the unlocking state, the third abutting position corresponds to the third limiting position, and the third buffer piece is clamped between the third abutting position and the third limiting position.

The tail door lock comprises the buffer structure, wherein the buffer hole is formed in one side of the lock tongue, which faces to the pawl, and penetrates through the lock tongue along the first direction;

The buffer hole is an arc hole extending along the circumferential direction of the lock tongue.

The tail door lock as described above, wherein the lock case includes a body portion, a first extension portion and a second extension portion, the first extension portion and the second extension portion are formed on one side of the body portion along a second direction, and the interior of the first extension portion, the interior of the second extension portion and the interior of the body portion form the accommodating space;

In the unlocked state, a portion of the locking bolt is located inside the body portion, and another portion of the locking bolt is located inside the first extension portion;

The first end of the pawl and the second buffer member are located inside the body portion, and the second end of the pawl and the third buffer member are located inside the second extension portion;

an included angle is formed between the first direction and the second direction.

The tail door lock as described above, wherein the first extension portion and the second extension portion are disposed at intervals along a first direction, a locking groove penetrating along a third direction is formed between the first extension portion and the second extension portion, and in the locked state, a part of the lock tongue penetrates through the first extension portion and the locking groove and extends into the second extension portion;

The buffer structure comprises a fourth buffer piece, and the fourth buffer piece is arranged in the locking groove;

The first direction, the second direction and the third direction are provided with included angles.

The tail door lock as described above, wherein the fourth buffer member includes a groove bottom buffer portion and two groove wall buffer portions, the groove bottom buffer portion is connected to the groove bottom of the locking groove, one of the groove wall buffer portions is embedded into a wall portion of the first extension portion facing the second extension portion, and the other groove wall buffer portion is embedded into a wall portion of the second extension portion facing the first extension portion.

The tail door lock comprises two groove wall buffer parts and two groove bottom buffer parts, wherein the two groove wall buffer parts and the two groove bottom buffer parts are integrally connected;

The fourth buffer piece is connected with the first buffer piece, the fourth buffer piece is connected with the second buffer piece and/or the fourth buffer piece is connected with the third buffer piece through a connecting part in an integrated mode.

The application also provides a tail gate assembly, wherein the tail gate assembly comprises the tail gate lock.

The application also provides a vehicle, wherein the vehicle comprises the tail gate lock or the tail gate assembly.

According to the tail door lock, the tail door assembly and the vehicle, the buffer structure is arranged between the lock tongue and the lock shell, between the lock tongue and the pawl and/or between the pawl and the lock shell, so that noise generated when the lock tongue and the lock shell, the lock tongue and the pawl and/or the pawl and the lock shell are contacted in the relative movement process can be effectively reduced, and the use experience of consumers can be effectively improved.

Drawings

Fig. 1 is a schematic structural diagram of a tail door lock according to an embodiment of the present application;

FIG. 2 is an exploded view of a tail gate lock provided by an embodiment of the present application;

Fig. 3 is a schematic diagram of an internal structure of a tail door lock according to an embodiment of the present application;

Fig. 4 is a schematic diagram of an internal structure of a lock case of a tail door lock according to an embodiment of the present application;

FIG. 5 is a schematic view of another internal structure of the tail gate lock according to the embodiment of the present application;

FIG. 6 is an enlarged partial schematic view of FIG. 3;

FIG. 7 is a schematic cross-sectional view taken along line A-A of FIG. 3;

Fig. 8 is an enlarged partial schematic view of fig. 7.

Reference numerals illustrate:

1. A lock case; 11. a body portion; 12. a first extension; 13. a second extension; 14. a locking groove; 2. a bolt; 21. buffering holes; 3. a pawl; 31. a first end; 32. a second end; 33. a boss; 4. a first buffer member; 5. a second buffer member; 6. a third buffer member; 7. a fourth buffer member; 71. a groove bottom buffer part; 72. a groove wall buffer portion; 8. locking;

X, a first direction; y, second direction; z, third direction.

Detailed Description

In order that the above objects, features and advantages of the present disclosure may be more clearly understood, a further description of aspects of the present disclosure will be provided below. It should be noted that, without conflict, the embodiments of the present disclosure and features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure, but the present disclosure may be practiced otherwise than as described herein; it will be apparent that the embodiments in the specification are only some, but not all, embodiments of the disclosure.

It should be noted that in this document, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

It should be noted that, the terms first direction X, second direction Y and third direction Z indicating directions in the following description are only for more clearly describing the specific structure of the present application in conjunction with the drawings, and the present application is not limited thereto. The first direction X, the second direction Y and the third direction Z are provided with included angles. Optionally, the first direction X, the second direction Y and the third direction Z are perpendicular to each other.

As shown in fig. 1 to 3, the tail door lock provided by the application comprises a lock shell 1, a lock tongue 2 and a pawl 3.

A containing space is formed inside the lock shell 1; alternatively, the lock housing 1 comprises two housings connected in the third direction Z, the two housings being detachably connected.

The lock tongue 2 is arranged in the accommodating space, and the lock tongue 2 is movably connected with the lock shell 1; the pawl 3 is arranged in the accommodating space, the pawl 3 is movably connected with the lock shell 1, the lock tongue 2 and the pawl 3 are arranged along the first direction X, and the pawl 3 is connected with the lock tongue 2 in a linkage way.

The lock tongue 2 and the pawl 3 are rotationally connected with the lock shell 1 through a rotating shaft, the rotating shaft extends along a third direction Z, and two ends of the rotating shaft are respectively connected with the two shells; the lock tongue 2 and the pawl 3 are meshed with each other through a tooth structure, the tail door lock is in a locking state and an unlocking state, and the lock tongue 2 can be driven to rotate in the rotating process of the pawl 3 so as to realize locking and unlocking.

In the prior art, in an unlocking state, gaps are formed between each position on the periphery of the lock tongue 2 and the lock shell 1, and in a locking state, one side of the lock tongue 2, which is away from the pawl 3, is abutted against the lock shell 1; the lock case 1 is provided with a limiting member for the pawl 3, gaps are formed between each position on the periphery of the pawl 3 and the lock case 1 and between the pawl 3 and the limiting member in the locking state, and the pawl 3 is abutted against the limiting member in the unlocking state, so that noise is easy to generate when the lock tongue 2 collides with the lock case 1 in the process of switching from the unlocking state to the locking state; in the process of switching from the locked state to the unlocked state, the click 3 collides with the stopper member to easily generate noise.

Therefore, the tail door lock provided by the embodiment of the application is provided with the buffer structures between the lock tongue 2 and the lock shell 1, between the pawl 3 and the lock shell 1 and/or between the lock tongue 2 and the pawl 3, and through the buffer structures, the noise generated during the contact between the lock tongue 2 and the lock shell 1, between the lock tongue 2 and the pawl 3 and/or between the pawl 3 and the lock shell 1 in the relative movement process can be effectively reduced, so that the use experience of consumers is effectively improved.

As shown in fig. 3 and fig. 4, the rear door lock provided by the embodiment of the application includes a buffer structure including a first buffer member 4, and a side of the periphery of the lock tongue 2 facing away from the pawl 3 has a first abutting position; the inside of the lock shell 1 is provided with a first limit position; the first abutting position and the first limiting position are used for realizing abutting positioning of the lock tongue 2 and the lock shell 1 in a locking state.

The first buffer piece 4 is arranged at the first abutting position or the first limiting position; in the locked state, the first abutting position corresponds to the first limiting position, and the first buffer member 4 is clamped between the first abutting position and the first limiting position.

The first buffer piece 4 is made of materials with good elastic properties such as rubber or silica gel, when the first abutting position abuts against the first limiting position and the first buffer piece 4 is clamped between the first abutting position and the first limiting position, the first buffer piece 4 can elastically deform to provide buffering, and the first abutting position is prevented from being in direct contact with the first limiting position, so that noise generated by collision between the lock tongue 2 and the lock shell 1 in the locking process of the tail door lock provided by the embodiment of the application is effectively reduced.

As shown in fig. 3 and fig. 4, the rear door lock provided in the embodiment of the application includes a second buffer member 5, where the pawl 3 has a strip structure and a first end 31 and a second end 32 disposed opposite to each other, and a side of the first end 31 facing the lock tongue 2 has a second abutting position; a second limit position is arranged in the lock shell 1; the second abutting position and the second limiting position are used for realizing the abutting positioning of the first end 31 of the pawl 3 and the lock shell 1 in the unlocking state.

The second buffer piece 5 is arranged at a second abutting position or a second limiting position; in the unlocking state, the second abutting position corresponds to the second limiting position, and the second buffer piece 5 is clamped between the second abutting position and the second limiting position.

The second buffer member 5 is made of materials with good elastic properties, such as rubber or silica gel, and when the second abutting position abuts against the second limiting position and clamps the second buffer member 5 between the second abutting position and the second limiting position, the second buffer member 5 can elastically deform to provide buffering, and the second abutting position is prevented from being directly contacted with the second limiting position, so that noise generated by collision between the first end 31 of the pawl 3 and the lock case 1 in the unlocking process of the tail door lock provided by the embodiment of the application is effectively reduced.

As shown in fig. 4 and fig. 5, the tail door lock provided by the embodiment of the application, wherein the buffer structure includes a third buffer member 6, and a side of the second end 32 of the pawl 3, which is away from the lock tongue 2, has a third abutting position; a third limit position is also arranged in the lock shell 1; the third abutting position and the third limiting position are used for realizing the abutting positioning of the second end 32 of the pawl 3 and the lock shell 1 in the unlocking state.

The third buffer piece 6 is arranged at a third abutting position or a third limiting position; in the unlocked state, the third abutting position corresponds to the third limiting position, and the third buffer member 6 is clamped between the third abutting position and the third limiting position.

The third buffer member 6 is made of a material with good elastic performance, such as rubber or silica gel, and when the third abutting position abuts against the third limiting position and clamps the third buffer member 6 between the third abutting position and the third limiting position, the third buffer member 6 can elastically deform to provide buffering, and the third abutting position is prevented from being directly contacted with the third limiting position, so that noise generated by collision between the second end 32 of the pawl 3 and the lock case 1 in the unlocking process of the tail door lock provided by the embodiment of the application is effectively reduced.

As shown in fig. 6, the tail door lock provided by the embodiment of the application, wherein the buffer structure comprises a buffer hole 21, the buffer hole 21 is arranged at one side of the lock tongue 2 facing the pawl 3, and the buffer hole 21 penetrates through the lock tongue 2 along the first direction X; so can weaken the structural strength of spring bolt 2 towards one side of pawl 3, when spring bolt 2 bumps or rubs with pawl 3, spring bolt 2 can take place micro deformation and offset striking and friction dynamics in buffer hole 21 department to reduce the noise that striking or friction produced.

Alternatively, as shown in fig. 6, the buffer hole 21 is an arc-shaped hole extending in the circumferential direction of the latch bolt 2 to be fitted with an arc-shaped edge of the periphery of the latch bolt 2. The buffer holes 21 may have other hole structures, or may include a plurality of hole structures arranged at intervals, which is not limited to the present application.

As shown in fig. 1 to 5, the tail door lock according to the embodiment of the application includes a main body 11, a first extension 12 and a second extension 13, wherein the first extension 12 and the second extension 13 are formed on one side of the main body 11 along the second direction Y, and a receiving space is formed inside the first extension 12, inside the second extension 13 and inside the main body 11. The body 11, the first extension 12 and the second extension 13 are integrally formed and connected to ensure structural strength and aesthetic property.

The first extension portion 12 and the second extension portion 13 are disposed at intervals along the first direction X, and a locking groove 14 penetrating along the third direction Z is formed between the first extension portion 12 and the second extension portion 13.

It may also be understood that the lock case 1 is directly concavely provided with a locking groove 14, and a first extension portion 12 and a second extension portion 13 are formed on two sides of the locking groove 14 along the third direction Z.

In the unlocked state, a portion of the locking bolt 2 is located inside the body portion 11, and another portion of the locking bolt 2 is located inside the first extension portion 12; in the locked state, a part of the lock tongue 2 penetrates through the first extension part 12 and the locking groove 14 and stretches into the second extension part 13; the first end 31 of the pawl 3 and the second buffer member are located inside the body portion 11, and the second end 32 of the pawl 3 and the third buffer member are located inside the second extension portion 13, so as to fully utilize the accommodating space.

The extension length of the first extension portion 12 along the second direction Y may be adjusted as required, and the specific positions of the latch bolt 2 and the pawl 3 relative to the body portion 11, the first extension portion 12 and the second extension portion 13 may also be adjusted, which is not limited to the above embodiment.

As shown in fig. 1 and fig. 2, the tail door lock provided in the embodiment of the application, wherein the buffer structure includes a fourth buffer member 7, and the fourth buffer member 7 is disposed in the lock slot 14. During the use of the tail door lock, the locking groove 14 is used for the insertion of the lock catch 8 so as to realize the locking between the component for installing the tail door lock and the component for installing the lock catch 8, and the impact force of the lock catch 8 can be counteracted when the lock catch 8 is inserted into the locking groove 14 by arranging the fourth buffer piece 7, so that the lock catch 8 and the locking groove 14 are prevented from being impacted rapidly and with great noise.

As shown in fig. 1 and 2, the fourth buffer member 7 includes a slot bottom buffer portion 71 and two slot wall buffer portions 72, wherein the slot bottom buffer portion 71 is connected to the slot bottom of the locking slot 14, one slot wall buffer portion 72 is embedded into a wall portion of the first extension portion 12 facing the second extension portion 13, and the other slot wall buffer portion 72 is embedded into a wall portion of the second extension portion 13 facing the first extension portion 12.

The fourth buffer member 7 is made of rubber or silica gel and other materials with good elastic properties, in the process that the lock catch 8 is inserted into the lock joint groove 14, the lock catch 8 can be directly contacted with the groove bottom buffer part 71, the impact force applied by the lock catch 8 can be counteracted through the elastic deformation of the groove bottom buffer part 71, and meanwhile, the lock catch 8 is isolated from the buffer groove so as to prevent direct rigid collision between the lock catch 8 and the buffer groove, so that the effect of reducing noise is effectively achieved.

Similarly, when the lock catch 8 is inserted into the locking groove 14, if the lock catch 8 is not aligned with the locking groove 14, friction contact is generated with the groove wall of the locking groove 14, and by providing the groove wall buffer portion 72, elastic deformation can be generated when the lock catch 8 contacts with the groove wall of the locking groove 14, so as to reduce friction between the lock catch 8 and the groove wall of the locking groove 14, and further achieve the effect of reducing noise.

Optionally, as shown in fig. 2, in the tail door lock provided by the embodiment of the present application, two groove wall buffer parts 72 and a groove bottom buffer part 71 are integrally connected; the fourth buffer member 7 is integrally connected with the first buffer member 4, the fourth buffer member 7 is integrally connected with the second buffer member 5 and/or the fourth buffer member 7 is integrally connected with the third buffer member 6 through a connecting part so as to facilitate rapid machining and forming.

As shown in fig. 7 and 8, in the tail door lock according to the embodiment of the present application, a protruding portion 33 is provided on one side of the pawl 3 along the third direction Z, when the pawl 3 is installed in the accommodating space, the protruding portion 33 contacts with the inner surface of the lock case 1, and during the rotation of the pawl 3, a friction force is generated between the protruding portion 33 and the inner surface of the lock case 1, so as to slow down the rotation speed of the pawl 3, thereby reducing the force generated when the pawl 3 collides with the limiting member during the rotation, and further improving the noise reduction effect.

The application also provides a tail gate assembly, wherein the tail gate assembly comprises the tail gate lock.

According to the tail door assembly, the buffer structure is arranged between the lock tongue and the lock shell, between the lock tongue and the pawl and/or between the pawl and the lock shell, so that noise generated when the lock tongue and the lock shell, the lock tongue and the pawl and/or the pawl and the lock shell are contacted in the relative movement process can be effectively reduced, and the use experience of consumers is effectively improved.

The application also provides a vehicle, wherein the vehicle comprises the tail gate lock or the tail gate assembly.

According to the tail door lock of the vehicle, the buffer structure is arranged between the lock tongue and the lock shell, between the lock tongue and the pawl and/or between the pawl and the lock shell, so that noise generated when the lock tongue and the lock shell, the lock tongue and the pawl and/or the pawl and the lock shell are contacted in the relative movement process can be effectively reduced, and the use experience of consumers is effectively improved.

Claims (11)

1. A tail gate lock, the tail gate lock comprising:

a lock case, in which an accommodating space is formed;

the lock tongue is arranged in the accommodating space and is movably connected with the lock shell;

The pawl is arranged in the accommodating space, the pawl is movably connected with the lock shell, the lock tongue and the pawl are arranged along a first direction, and the pawl is connected with the lock tongue in a linkage way;

Buffer structures are arranged between the lock tongue and the lock shell, between the pawl and the lock shell and/or between the lock tongue and the pawl;

The lock shell is concavely provided with a locking groove, the buffer structure comprises a fourth buffer piece, and the fourth buffer piece is arranged in the locking groove.

2. The tail gate lock of claim 1, wherein the buffer structure comprises a first buffer, the lock tongue is rotatably connected with the lock shell, and a side of the periphery of the lock tongue, which is away from the pawl, has a first abutting position; the inside of the lock shell is provided with a first limit position; the first buffer piece is arranged at the first abutting position or the first limiting position;

The tail door lock is provided with a locking state, in the locking state, the first abutting position corresponds to the first limiting position, and the first buffer piece is clamped between the first abutting position and the first limiting position.

3. The tail gate lock of claim 2, wherein the buffer structure comprises a second buffer, the pawl is rotatably connected with the lock housing, the pawl has a first end, and a side of the first end facing the lock tongue has a second abutting position; a second limiting position is arranged in the lock shell; the second buffer piece is arranged at the second abutting position or the second limiting position;

The tail door lock is provided with an unlocking state, in the unlocking state, the second abutting position corresponds to the second limiting position, and the second buffer piece is clamped between the second abutting position and the second limiting position.

4. The tail gate lock of claim 3, wherein the buffer structure includes a third buffer, the pawl further having a second end disposed opposite the first end, the second end having a third abutment position on a side facing away from the latch bolt; a third limit position is also arranged in the lock shell; the third buffer piece is arranged at the third abutting position or the third limiting position;

In the unlocking state, the third abutting position corresponds to the third limiting position, and the third buffer piece is clamped between the third abutting position and the third limiting position.

5. A tail gate lock according to claim 3 or 4, wherein the buffer structure comprises a buffer hole provided in a side of the bolt facing the pawl, the buffer hole penetrating the bolt in the first direction;

The buffer hole is an arc hole extending along the circumferential direction of the lock tongue.

6. The tail gate lock of claim 4, wherein the lock housing comprises a body portion, a first extension portion and a second extension portion, the first extension portion and the second extension portion being formed on one side of the body portion in a second direction, the interior of the first extension portion, the interior of the second extension portion and the interior of the body portion forming the receiving space;

In the unlocked state, a portion of the locking bolt is located inside the body portion, and another portion of the locking bolt is located inside the first extension portion;

The first end of the pawl and the second buffer member are located inside the body portion, and the second end of the pawl and the third buffer member are located inside the second extension portion;

an included angle is formed between the first direction and the second direction.

7. The tail gate lock of claim 6, wherein the first extension and the second extension are spaced apart along a first direction, the first extension and the second extension form the locking slot therebetween that extends therethrough along a third direction, and in the locked state, a portion of the latch bolt extends through the first extension and the locking slot into the second extension;

The first direction, the second direction and the third direction are provided with included angles.

8. The tail gate lock of claim 7, wherein the fourth bumper includes a slot bottom bumper portion and two slot wall bumpers, the slot bottom bumper portion being contiguous with a slot bottom of the lock slot, one of the slot wall bumpers being embedded in a wall portion of the first extension portion facing the second extension portion, and the other slot wall bumper portion being embedded in a wall portion of the second extension portion facing the first extension portion.

9. The tail gate lock of claim 8, wherein two of said slot wall buffers are integrally formed with said slot bottom buffer;

The fourth buffer piece is connected with the first buffer piece, the fourth buffer piece is connected with the second buffer piece and/or the fourth buffer piece is connected with the third buffer piece through a connecting part in an integrated mode.

10. A tail gate assembly comprising a tail gate lock as claimed in any one of claims 1 to 9.

11. A vehicle comprising a tailgate according to any one of claims 1 to 9 or a tailgate assembly according to claim 10.