CN219838397U - Trailer hook assembly and vehicle - Google Patents

Abstract

The utility model discloses a trailer hook assembly and a vehicle, wherein the trailer hook assembly comprises: the locking device comprises a locking shell, a locking cavity and a locking groove, wherein a first locking cavity is formed in the locking shell; the locking hook is provided with a matching section which can be selectively and suitably inserted into the first locking cavity, and a second locking cavity is formed in the matching section; the linkage piece is movably arranged in the second locking cavity; the first locking piece is movably arranged on the linkage piece and can selectively lock the linkage piece and the lock hook; the second locking piece is arranged on the matching section and is suitable for unlocking the first locking piece and the locking hook after the matching section stretches into the first locking cavity; and the third locking piece is connected with the linkage piece and is suitable for moving towards the locking groove when the linkage piece moves so as to lock the lock hook and the locking shell.

Description

Trailer hook assembly and vehicle

Technical Field

The utility model relates to the field of automobile parts, in particular to a trailer hook assembly and a vehicle.

Background

The trailer hook is a critical part of the automobile and is used for connecting the tractor and the trailer and transmitting traction force. At present, most automobile towing hooks are simple in structure, an integral structure is formed between the towing hooks and a vehicle body connecting piece, the whole automobile attractiveness is affected, and the towing hooks are inconvenient to operate.

In order to solve the above problems, in the related art, split arrangement can be realized between the trailer hook and the vehicle body connecting piece, but the connection and unlocking process between the trailer hook and the vehicle body connecting piece is not automatically completed, but is completed by manual operation, the use of the trailer hook is inconvenient, and the connection between the trailer hook and the vehicle body is unstable, so how to improve the use convenience of the trailer hook and the connection stability of the trailer hook and the vehicle body becomes a problem to be solved urgently in the art.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. To this end, it is an object of the present utility model to provide a draft gear assembly. According to the trailer hook assembly, under the condition that a vehicle does not need to use the lock hook, the lock hook is separated from the locking shell, the aesthetic feeling of the whole vehicle is improved, and the lock hook is convenient to store; under the condition that the lock hook is needed to be used by the vehicle, the lock hook can be connected and locked with the locking shell through the first locking piece, the second locking piece and the third locking piece, and the towing hook component is stable in structure.

The utility model further provides a vehicle with the trailer hook assembly.

The trailer hook assembly according to the present utility model includes: the locking device comprises a locking shell, wherein a first locking cavity is formed in the locking shell, and a locking groove is formed in the first locking cavity; the locking hook is provided with a matching section which can be selectively and suitably inserted into the first locking cavity, and a second locking cavity is formed in the matching section; the linkage piece is movably arranged in the second locking cavity; the first locking piece is movably arranged on the linkage piece and can selectively lock the linkage piece and the lock hook; the second locking piece is arranged on the matching section and is suitable for unlocking the first locking piece and the locking hook after the matching section stretches into the first locking cavity; and the third locking piece is connected with the linkage piece and is suitable for moving towards the locking groove when the linkage piece moves so as to lock the lock hook and the locking shell.

According to the trailer hook assembly, the lock hook and the locking shell are arranged in a split mode, so that the lock hook can be independently contained under the condition that a vehicle does not need to use the lock hook, the containing of the lock hook is simple and convenient, and the attractiveness of the whole vehicle is improved; when the vehicle needs to use the latch hook, the driver can take out the latch hook and be connected with the locking casing, in latch hook and locking casing connection process, along with the cooperation section stretch into first locking chamber, the second locking piece promotes first locking piece in order to accomplish the unblock with the latch hook, the linkage piece can freely remove along second locking chamber extending direction, along with the removal of linkage piece, the third locking piece removes and accomplish the locking of latch hook and locking casing towards the locking groove, after latch hook and locking casing locking, the latch hook is firmly connected with the locking casing, it is convenient and reliable to connect.

According to one embodiment of the utility model, the linkage member is formed with a first moving groove, and the first locking member is movably disposed in the first moving groove; the matching section is provided with a locking hole for communicating the second locking cavity with the outside, and the second locking piece is movably arranged in the locking hole; at least part of the first locking piece is accommodated in the locking hole so as to lock the linkage piece and the lock hook.

According to one embodiment of the utility model, the trailer hook assembly further comprises: the first elastic piece is accommodated in the first moving groove, one end of the first elastic piece is abutted against the inner wall of the first moving groove, and the other end of the first elastic piece is abutted against the first locking piece.

According to one embodiment of the utility model, the extending direction of the first moving groove is orthogonal to the moving direction of the linkage.

According to one embodiment of the utility model, the trailer hook assembly further comprises: the shaft sleeve is arranged in the locking hole and sleeved on the periphery of the second locking piece, the second locking piece is movably arranged in the shaft sleeve, and the end face of one end, away from the second locking cavity, of the second locking piece is in a cambered surface or a spherical surface.

According to one embodiment of the utility model, the third locking member is formed with a first moving engagement portion, the linkage member is formed with a second moving engagement portion adapted to be connected with the third locking member, and the first moving engagement portion and the second moving engagement portion are adapted to drive the third locking member to move in a direction perpendicular to the movement direction of the linkage member when the linkage member moves.

According to an embodiment of the present utility model, the first moving engagement portion is configured as a chute formed on the third locking member, the chute being inclined toward the direction of the locking groove in the moving direction of the linkage member; the second moving matching part is configured to be arranged on a sliding rod of the linkage piece, and the sliding rod is embedded into the chute.

According to an embodiment of the present utility model, the third locking member includes: the device comprises a first locking slide block and a second locking slide block, wherein the first locking slide block and the second locking slide block are respectively provided with a chute, and the chute arranged on the first locking slide block is opposite to the chute arranged on the second locking slide block in inclination direction.

According to one embodiment of the utility model, the trailer hook assembly further comprises: the second elastic piece is arranged in the second locking cavity, one end of the second elastic piece is abutted against the linkage piece, and the other end of the second elastic piece is abutted against the inner wall of the second locking cavity.

According to one embodiment of the utility model, the trailer hook assembly further comprises: the unlocking piece is arranged on the lock hook, at least part of the unlocking piece stretches into the second locking cavity, and the unlocking piece is matched with the linkage piece to selectively drive the linkage piece to move.

According to one embodiment of the utility model, an opening communicated with the first locking cavity is formed at one end of the locking shell, a first limiting part positioned at the periphery of the opening is formed on the end of the locking shell, and a second limiting part in limiting fit with the first limiting part is formed on the matching section.

A vehicle according to another embodiment of the present utility model is briefly described below.

The vehicle according to the utility model comprises the trailer hook assembly according to any one of the embodiments, and the vehicle according to the utility model comprises the trailer hook assembly according to any one of the embodiments, so that the connection between the lock hook and the locking shell on the vehicle according to the utility model is more stable and safer, the separation operation of the lock hook and the locking shell is simpler, the installation and the storage of the trailer hook assembly of the vehicle are simpler, and the overall aesthetic property and the practicability of the vehicle are higher.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is an exploded view of a tow hook assembly according to one embodiment of the present utility model;

FIG. 2 is a schematic diagram of an assembly of a tow hook assembly with a cross beam in accordance with one embodiment of the utility model;

FIG. 3 is a schematic diagram of the mating of a shackle of a tow hook assembly with a latch housing according to one embodiment of the utility model;

FIG. 4 is a schematic illustration of the coupling of a coupler assembly of a tow hook with an unlock member in accordance with one embodiment of the present utility model;

FIG. 5 is a schematic diagram of the mating of a first lock slide and a second lock slide of a draft gear assembly according to one embodiment of the present utility model;

FIG. 6 is a schematic diagram of a lock cylinder assembly, unlock member, and linkage of a tow hook assembly according to one embodiment of the utility model;

fig. 7 is a cut-away view of a shackle of a tow hook assembly in connection with a latch housing according to one embodiment of the present utility model.

Reference numerals:

a tow hook assembly 1;

beam 10, beam fixing bracket 101, reinforcing rib 102,

A trailer hook fixing plate 103;

a locking housing 11, a first locking chamber 111, a locking groove 1111, a first limiting portion 112;

the locking hook 12, the matching section 121, the second locking cavity 122, the locking hole 1221, the second limiting part 123 and the ball cap 124;

the linkage piece 13, the first moving groove 131 and the insection 132; the first, second, and third locking pieces 141, 142, and 143;

a first elastic member 151 and a second elastic member 152; a sleeve 16; chute 171, slide bar 172; a first lock slider 181 and a second lock slider 182; unlocking piece 19, lock core assembly 191, key 192.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

The trailer hook is a critical part of the automobile and is used for connecting the tractor and the trailer and transmitting traction force. At present, most automobile towing hooks are simple in structure, an integral structure is formed between the towing hooks and a vehicle body connecting piece, the whole automobile attractiveness is affected, and the towing hooks are inconvenient to operate.

In order to solve the above problems, in the related art, split arrangement can be realized between the trailer hook and the vehicle body connecting piece, but the connection and unlocking process between the trailer hook and the vehicle body connecting piece is not automatically completed, but is completed by manual operation, the use of the trailer hook is inconvenient, and the connection between the trailer hook and the vehicle body is unstable, so how to improve the use convenience of the trailer hook and the connection stability of the trailer hook and the vehicle body becomes a problem to be solved urgently in the art.

A tow hook assembly 1 according to an embodiment of the present utility model is described below with reference to fig. 1-7.

The trailer hook assembly 1 according to the present utility model includes a locking housing 11, a latch hook 12, a link 13, a first locking piece 141, a second locking piece 142, and a third locking piece 143, a first locking cavity 111 is formed in the locking housing 11, and a locking groove 1111 is formed in the first locking cavity 111; the latch hook 12 is formed with a mating section 121 which is optionally adapted to extend into the first locking cavity 111, and a second locking cavity 122 is formed in the mating section 121; the linkage 13 is movably arranged in the second locking cavity 122; the first locking member 141 is movably disposed on the linkage member 13 and selectively locks the linkage member 13 with the latch hook 12; the second locking piece 142 is disposed on the mating section 121 and is adapted to unlock the first locking piece 141 from the latch hook 12 after the mating section 121 extends into the first locking cavity 111; the third locking member 143 is connected to the linkage member 13 and is adapted to move toward the locking groove 1111 to lock the latch hook 12 with the locking housing 11 when the linkage member 13 moves.

As shown in fig. 1 and 3, the locking housing 11 is fixedly connected to the vehicle cross beam 10 assembly, a first locking cavity 111 is formed in the locking housing 11, a locking groove 1111 is formed in the first locking cavity 111, a matching section 121 is formed on the locking hook 12, under the condition that the locking hook 12 is not used by a vehicle, the locking hook 12 and the locking housing 11 are in a separated state, the locking hook 12 can be accommodated in a storage device and placed in a vehicle trunk, storage is simple and convenient, and the aesthetic property of the whole vehicle can be improved; when the vehicle needs to use the latch hook 12, the latch hook 12 extends into the first locking cavity 111 through the mating section 121 to be connected with and locked to the locking housing 11, and after the latch hook 12 is locked to the locking housing 11, the latch hook 12 is connected stably, so that shake is not easy to occur.

Specifically, in the case where the vehicle does not use the latch hook 12, the latch hook 12 is separated from the latch housing 11, and in the second latch cavity 122 inside the latch hook 12, the first latch member 141 and the second latch member 142 are on the same horizontal central axis, wherein the first latch member 141 can push the second latch member 142 to move and latch the link member 13 with the latch hook 12.

In the case that the vehicle needs to use the latch hook 12, the driver can take the latch hook 12 out of the storage device and connect with the latch housing 11, the mating section 121 of the latch hook 12 stretches into the first latch cavity 111, when the second latch 142 contacts the latch housing 11, the latch housing 11 squeezes the second latch 142 into the second latch cavity 122, the second latch 142 pushes the first latch 141 to move, the linkage 13 is out of the latch state with the latch hook 12, when the mating section 121 continues to stretch into the first latch cavity 111, so that the second latch 142 completely enters the second latch cavity 122, at this time, the linkage 13 is unlocked with the latch hook 12, the linkage 13 can freely move in the second latch cavity 122 along the extending direction of the second latch cavity 122, as the mating section 121 continues to stretch into the first latch cavity 111, the third latch 143 moves towards the latch slot 1111 and latches the latch hook 12 with the latch housing 11, at this time, and the latch 12 and the latch housing 11 are completely installed and latched.

According to the trailer hook assembly 1, the lock hook 12 and the locking shell 11 are arranged in a separated mode, so that the lock hook 12 can be independently contained under the condition that a vehicle does not need to use the lock hook 12, the lock hook 12 is easy and convenient to contain, and the attractiveness of the whole vehicle is improved; when the vehicle needs to use the latch hook 12, the driver can take out the latch hook 12 and connect the latch hook 12 with the locking shell 11, in the process of connecting the latch hook 12 with the locking shell 11, as the matching section 121 stretches into the first locking cavity 111, the second locking piece 142 pushes the first locking piece 141 to unlock the latch hook 12, the linkage piece 13 can freely move along the extending direction of the second locking cavity 122, as the linkage piece 13 moves, the third locking piece 143 moves towards the locking groove 1111 and completes locking of the latch hook 12 with the locking shell 11, and after the latch hook 12 is locked with the locking shell 11, the latch hook 12 is firmly connected with the locking shell 11, so that the connection is convenient and reliable.

According to one embodiment of the present utility model, the linkage member 13 is formed with a first moving groove 131, and the first locking member 141 is movably disposed in the first moving groove 131; the fitting section 121 is formed with a locking hole 1221 communicating the second locking cavity 122 with the outside, and the second locking piece 142 is movably disposed in the locking hole 1221; at least a portion of the first locking member 141 is received in the locking hole 1221 to lock the linkage member 13 and the latch hook 12.

Specifically, the first locking member 141 is movably disposed in the first moving slot 131, the mating section 121 is formed with a locking hole 1221 for communicating the second locking cavity 122 with the outside, and when the latch hook 12 is separated from the locking housing 11, the first locking member 141 moves in the first moving slot 131 and pushes the second locking member 142 out of the locking hole 1221 and is engaged with the locking hole 1221, and at least part of the first locking member 141 is accommodated in the locking hole 1221 to lock the linkage member 13 with the latch hook 12; during the connection process of the latch hook 12 and the locking shell 11, the matching section 121 stretches into the first locking groove 1111, along with the movement of the matching section 121, the second locking piece 142 contacts with the locking shell 11 and is pressed into the locking hole 1221 by the locking shell 11, the second locking piece 142 pushes the first locking piece 141 to move in the first moving groove 131, when the second locking piece 142 is completely pressed into the second locking cavity 122 by the locking shell 11, the linkage piece 13 and the latch hook 12 complete unlocking, the linkage piece 13 can freely move in the second locking cavity 122, and along with the movement of the linkage piece 13, the linkage piece 13 drives the third locking piece 143 to move towards the locking groove 1111 and realizes the locking of the latch hook 12 and the locking shell 11.

According to the trailer hook assembly 1, the first moving groove 131 is arranged, the first locking piece 141 is movably arranged in the first moving groove 131, the locking hole 1221 which is used for communicating the locking cavity with the outside of the lock hook 12 is arranged on the matching section 121, and the locking and unlocking processes of the linkage piece 13 and the lock hook 12 are completed through the movement of the first locking piece 141 and the matching of the second locking piece 142, so that the lock hook 12 and the locking shell 11 are conveniently installed and disassembled, and the installation and the disassembly of the lock hook 12 and the locking shell 11 are simpler and more convenient.

According to an embodiment of the present utility model, the trailer hook assembly 1 further includes a first elastic member 151, wherein the first elastic member 151 is accommodated in the first moving slot 131, one end of the first elastic member 151 abuts against an inner wall of the first moving slot 131, and the other end of the first elastic member 151 abuts against the first locking member 141.

Specifically, the first elastic member 151 and the first locking member 141 are both accommodated in the first moving slot 131, one end of the first elastic member 151 is stopped against the inside of the first moving slot 131, the other end of the first elastic member 151 is stopped against the first locking member 141, and when the latch hook 12 is separated from the latch housing 11, the first elastic member 151 releases elastic force to push the first locking member 141 to move, and the first locking member 141 moves and pushes the second locking member 142 to extend out of the locking hole 1221, thereby completing the locking of the linkage 13 and the latch hook 12; during the connection process of the latch hook 12 and the latch housing 11, the latch housing 11 presses the second latch member 142 to move from the latch hole 1221 into the second latch cavity 122, and the second latch member 142 pushes the first latch member 141 to move and presses the first elastic member 151, so that the unlocking of the linkage member 13 and the latch hook 12 is completed.

According to the trailer hook assembly 1, the first elastic piece 151 is arranged in the first moving groove 131, and the first elastic piece 151 can move in cooperation with the first locking piece 141 and the second locking piece 142, so that locking and unlocking of the linkage piece 13 and the lock hook 12 are realized, and the lock hook 12 and the locking shell 11 are convenient to mount and dismount.

According to one embodiment of the present utility model, the extending direction of the first moving groove 131 is orthogonal to the moving direction of the link 13. As the linkage member 13 extends into the first locking cavity 111, the extending direction of the first moving slot 131 is orthogonal to the moving direction of the linkage member 13, so that the second locking member 142 can more conveniently move along the extending direction of the first moving slot 131, thereby facilitating the locking and unlocking process of the linkage member 13 and the latch hook 12.

According to one embodiment of the present utility model, the trailer hook assembly 1 further includes a sleeve 16, the sleeve 16 is disposed in the locking hole 1221 and sleeved on the outer periphery of the second locking member 142, the second locking member 142 is movably disposed in the sleeve 16, and an end surface of the end of the second locking member 142 away from the second locking cavity 122 is configured as an arc surface or a sphere surface.

As shown in fig. 3, a shaft sleeve 16 is disposed in the locking hole 1221, the shaft sleeve 16 is sleeved on the outer periphery of the second locking piece 142, the second locking piece 142 is movably disposed in the shaft sleeve 16, and in the process that the second locking piece 142 extends out of the locking hole 1221, the shaft sleeve 16 is suitable for being abutted against the end part of the second locking piece 142 away from the locking hole 1221 so as to limit the movement of the second locking piece 142, and prevent the second locking piece 142 from completely extending out of the locking hole 1221 to affect the locking effect of the linkage piece 13 and the latch hook 12; the end face of one end, far away from the second locking cavity 122, of the second locking piece 142 is configured to be an arc face or a spherical face, in the process that the second locking piece 142 is in contact with the locking shell 11, the arc face or the spherical face is more convenient for the extrusion of the locking shell 11 to the second locking piece 142, in the process that the matching portion stretches into the first locking cavity 111 is prevented, the second locking piece 142 is clamped by the locking shell 11, so that the matching portion cannot stretch into the first locking cavity 111 completely, and the connection of the lock hook 12 and the locking shell 11 is ensured to be more convenient and efficient.

According to one embodiment of the present utility model, the third locking member 143 is formed with a first moving engagement portion, and the linkage member 13 is formed with a second moving engagement portion adapted to be connected to the third locking member 143, and the first moving engagement portion and the second moving engagement portion are adapted to drive the third locking member 143 to move in a direction perpendicular to the moving direction of the linkage member 13 when the linkage member 13 moves.

Specifically, as the engaging section 121 extends into the first locking cavity 111, the second moving engaging portion on the linkage member 13 engages with the first moving engaging portion on the third locking member 143, and the second moving engaging portion drives the first moving engaging portion to move in a direction perpendicular to the moving direction of the linkage member 13, thereby completing locking of the third locking member 143 with the locking housing 11; in the process that the latch hook 12 is separated from the locking shell 11, the second moving matching part drives the first moving matching part to move, so that the unlocking process of the latch hook 12 and the locking shell 11 is completed.

In some embodiments, the locking housing 11 has two locking grooves 1111 formed therein adapted to receive the third locking member 143, and the third locking member 143 moves into the locking grooves 1111 and engages the locking grooves 1111, thereby locking the third locking member 143 to the locking housing 11; when the second moving engagement portion moves the third locking piece 143 out of the locking groove 1111, the locking hook 12 and the locking housing 11 complete unlocking.

According to one embodiment of the present utility model, the first moving engagement portion is configured as a chute 171 formed on the third locking piece 143, the chute 171 being inclined toward the direction of the locking groove 1111 in the moving direction of the link 13; the second moving engagement portion is configured as a slide bar 172 provided to the link 13, the slide bar 172 being embedded in the chute 171.

Specifically, the second moving engaging portion is configured as a sliding rod 172 disposed on the linkage 13, the sliding rod 172 is embedded in the chute 171 on the third locking member 143, and as the engaging section 121 extends into the first locking cavity 111, the linkage 13 is unlocked from the latch hook 12 and moves in the second locking cavity 122, the linkage 13 drives the sliding rod 172 to move along the chute 171, and the sliding rod 172 drives the first moving engaging portion to move perpendicular to the moving direction of the linkage 13, so as to implement the locking and unlocking process of the latch hook 12 and the locking housing 11.

According to an embodiment of the present utility model, the third locking member 143 includes a first locking slider 181 and a second locking slider 182, the first locking slider 181 and the second locking slider 182 are respectively formed with a chute 171, and the chute 171 provided on the first locking slider 181 is inclined in the opposite direction to the chute 171 provided on the second locking slider 182.

Specifically, the first locking slider 181 and the second locking slider 182 are symmetrically disposed about the central axis of the linkage 13, and the inclined groove 171 disposed on the first locking slider 181 and the inclined groove 171 disposed on the second locking slider 182 are inclined in opposite directions, so as to enable the sliding rod 172 on the linkage 13 to move to the top of the inclined groove 171 during the upward movement of the linkage 13, and push out the first locking slider 181 and the second locking slider 182 in a direction perpendicular to the movement direction of the linkage 13, and the first locking slider 181 and the second locking slider 182 move into the locking groove 1111, thereby enabling the locking of the locking hook 12 and the locking housing 11; in the process of separating the latch hook 12 from the locking shell 11, the linkage 13 moves downwards and drives the slide bar 172 to move to the bottom of the chute 171, so that the first locking slide block 181 and the second locking slide block 182 are respectively pulled back along the direction perpendicular to the movement direction of the linkage 13, and the unlocking of the latch hook 12 and the locking shell 11 is completed.

According to an embodiment of the present utility model, the trailer hook assembly 1 further includes a second elastic member 152, where the second elastic member 152 is disposed in the second locking cavity 122, and one end of the second elastic member 152 abuts against the linkage member 13, and the other end of the second elastic member 152 abuts against an inner wall of the second locking cavity 122.

Specifically, in a state in which the latch hook 12 is separated from the latch housing 11, the linkage member 13 is located at the bottom of the second latch chamber 122 and is latched with the latch hook 12, the second elastic member 152 is in a compressed state, as the mating section 121 extends into the first latch chamber 111, the linkage member 13 is unlocked from the latch hook 12, the linkage member 13 moves upward along the extending direction of the second latch chamber 122, and the second elastic member 152 releases the elastic force and pushes the linkage member 13 to move upward, so that the latching of the third latch member 143 with the latch housing 11 is more conveniently completed.

According to the trailer hook assembly 1, the second elastic piece 152 is arranged at the bottom of the linkage piece 13, and the second elastic piece 152 pushes the linkage piece 13 to move so as to more conveniently complete locking of the lock hook 12 and the locking shell 11.

According to one embodiment of the present utility model, the trailer hook assembly 1 further includes an unlocking member 19, wherein the unlocking member 19 is disposed on the latch hook 12, and at least part of the unlocking member 19 extends into the second locking cavity 122, and the unlocking member 19 cooperates with the linkage member 13 to selectively drive the linkage member 13 to move.

Specifically, at least part of the unlocking piece 19 extends into the second unlocking cavity, the driver can rotate the unlocking piece 19 through the key 192 to drive the linkage piece 13 to move downwards, the linkage piece 13 drives the sliding rod 172 to move downwards and retract the third locking piece 143 inwards, so that unlocking action is completed, unlocking of the locking hook 12 and the locking shell 11 is achieved, and after unlocking of the locking hook 12 is completed, the driver can disengage the locking hook 12 from the locking shell 11 and store the locking hook.

According to the trailer hook assembly 1, the unlocking piece 19 is arranged to complete the unlocking process of the lock hook 12 and the locking shell 11, so that the lock hook 12 is more convenient to detach.

In some embodiments, the trailer hook assembly 1 further includes a lock cylinder assembly 191, one end of the unlocking member 19 is connected to the lock cylinder assembly 191, the driver inserts a key 192 into the lock cylinder assembly 191 and rotates the lock cylinder assembly 191, the key 192 rotates and drives the unlocking member 19 to rotate, wherein the unlocking member 19 may be configured as a gear shaft, a tooth pattern 132 is formed at the bottom of the linkage member 13, a gear formed on the surface of the gear shaft is meshed with the tooth pattern 132 at the bottom of the linkage member 13, the rotation of the gear shaft drives the linkage member 13 to move downwards until the linkage member 13 moves to the bottom of the second locking cavity 122, at this time, the second elastic member 152 is in a compressed state, during this process, the sliding rod 172 on the linkage member 13 pulls the first locking slider 181 and the second locking slider 182 out of the locking groove 1111 to complete unlocking of the lock hook 12 and the locking housing 11, after unlocking, the driver pulls the lock hook 12 out of the first locking cavity 111, when the second locking member 142 is disengaged from the first locking cavity 111, the locking housing 11 does not squeeze the second locking member 142, the first locking member 141 is pushed out of the second locking member 142, the first elastic member is pushed by the first elastic member 141, and the first locking member is pushed out of the first locking member 12 to the position of the first locking member 12, and the driver is retracted into the position, and the driver can be retracted 1.

According to an embodiment of the present utility model, an open port communicating with the first locking cavity 111 is formed at one end of the locking housing 11, a first limiting portion 112 located at the outer periphery of the open port is formed at the end of the locking housing 11, and a second limiting portion 123 in limiting engagement with the first limiting portion 112 is formed at the engagement section 121.

According to the trailer hook assembly 1 disclosed by the utility model, the first limiting part 112 is formed at the end part of the locking shell 11, the second limiting part 123 is formed on the matching section 121, when the matching section 121 stretches into the first locking cavity 111 and completes the locking operation of the lock hook 12 and the locking shell 11, the second limiting part 123 is in stop contact with the first limiting part 112, the first limiting part 112 limits the movement of the lock hook 12 in the circumferential direction of the locking shell 11 so as to prevent the lock hook 12 from rotating in the circumferential direction, and the lock hook 12 is firmly connected with the locking shell 11 and the lock hook 12 is prevented from being separated from the locking shell 11 through the matching of the first limiting part 112 with the second limiting part 123, so that the connection stability and the safety of the lock hook 12 and the locking shell 11 are improved.

In some embodiments, two ends of the automobile beam 10 are respectively connected with a beam fixing bracket 101, the beam fixing brackets 101 are connected with the automobile body through a plurality of bolts, and reinforcing rib plates 102 are arranged on the beam fixing brackets 101, so that the installation strength of the beam 10 and the automobile body is improved; the middle part of the cross beam 10 is welded with a trailer hook fixing plate 103, and the locking shell 11 is connected with the trailer hook fixing plate 103 through a plurality of bolts, so that the connection strength of the locking shell 11 is improved; a ball cap 124 is provided on the shackle 12, and when the shackle 12 pulls a weight, the ball cap 124 is adapted to contact the weight and prevent the weight from falling off, improving the safety of the tow hook assembly 1.

The vehicle according to the present utility model is briefly described below.

The vehicle according to the present utility model includes the trailer hook assembly 1 according to any one of the embodiments, and since the vehicle according to the present utility model includes the trailer hook assembly 1 according to any one of the embodiments, the connection between the latch hook 12 and the latch housing 11 on the vehicle according to the present utility model is more stable and safe, the separation operation of the latch hook 12 and the latch housing 11 is simpler, the installation and storage of the trailer hook assembly 1 of the vehicle is simpler, and the overall aesthetic appearance and practicality are higher.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

In the description of the utility model, a "first feature" or "second feature" may include one or more of such features.

In the description of the present utility model, "plurality" means two or more.

In the description of the utility model, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other by another feature therebetween.

In the description of the utility model, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (12)

1. A tow hook assembly (1), comprising:

a locking housing (11), wherein a first locking cavity (111) is formed in the locking housing (11), and a locking groove (1111) is formed in the first locking cavity (111);

a latch hook (12), wherein a matching section (121) which can be selectively suitable for extending into the first locking cavity (111) is formed on the latch hook (12), and a second locking cavity (122) is formed in the matching section (121);

a linkage (13), the linkage (13) being movably arranged in the second locking cavity (122);

a first locking member (141), the first locking member (141) being movably arranged on the linkage member (13) and selectively locking the linkage member (13) with the latch hook (12);

a second locking member (142), the second locking member (142) being arranged at the mating section (121) and adapted to unlock the first locking member (141) from the locking hook (12) after the mating section (121) extends into the first locking cavity (111);

and a third locking member (143), the third locking member (143) being connected to the linkage member (13) and adapted to move toward the locking groove (1111) to lock the latch hook (12) with the locking housing (11) when the linkage member (13) moves.

2. The trailer hook assembly (1) according to claim 1, wherein the linkage (13) is formed with a first movement slot (131), the first locking member (141) being movably arranged within the first movement slot (131);

the matching section (121) is provided with a locking hole (1221) for communicating the second locking cavity (122) with the outside, and the second locking piece (142) is movably arranged in the locking hole (1221); wherein the method comprises the steps of

At least part of the first locking piece (141) is accommodated in the locking hole (1221) so as to lock the linkage piece (13) and the locking hook (12).

3. The towing hook assembly (1) according to claim 2, further comprising: the first elastic piece (151), first elastic piece (151) is acceptd in first removal groove (131), the one end of first elastic piece (151) with the inner wall in first removal groove (131) is stopped and is supported, the other end of first elastic piece (151) with first locking piece (141) is stopped and is supported.

4. The trailer hook assembly (1) according to claim 2, wherein the direction of extension of the first movement slot (131) is orthogonal to the direction of movement of the linkage (13).

5. The towing hook assembly (1) according to claim 2, further comprising: the shaft sleeve (16), the shaft sleeve (16) set up in locking hole (1221) and cover locate the periphery of second locking piece (142), second locking piece (142) movably set up in the shaft sleeve (16), the terminal surface construction of second locking piece (142) keep away from the one end of second locking chamber (122) is cambered surface or sphere.

6. The towing hook assembly (1) according to claim 1, characterized in that the third locking piece (143) is formed with a first moving engagement portion and the linkage piece (13) is formed with a second moving engagement portion adapted to be connected with the third locking piece (143), the first moving engagement portion and the second moving engagement portion being adapted to drive the third locking piece (143) to move in a direction perpendicular to the movement direction of the linkage piece (13) when the linkage piece (13) moves.

7. The towing hook assembly (1) according to claim 6, characterized in that the first moving engagement part is configured as a chute (171) formed on the third locking piece (143), the chute (171) being inclined in the moving direction of the linkage piece (13) towards the direction of the locking groove (1111);

the second moving engagement portion is configured as a slide bar (172) provided to the link (13), the slide bar (172) being embedded into the chute (171).

8. The towing hook assembly (1) according to claim 7, characterized in that the third lock (143) comprises:

the novel anti-theft lock comprises a first locking slide block (181) and a second locking slide block (182), wherein the chute (171) is respectively formed on the first locking slide block (181) and the second locking slide block (182), and the chute (171) arranged on the first locking slide block (181) is opposite to the chute (171) arranged on the second locking slide block (182) in inclination direction.

9. The towing hook assembly (1) according to claim 1, further comprising: the second elastic piece (152), the second elastic piece (152) set up in second locking chamber (122) just one end of second elastic piece (152) with linkage piece (13) is stopped and is supported, the other end of second elastic piece (152) with the inner wall in second locking chamber (122) is stopped and is supported.

10. The towing hook assembly (1) according to claim 1, further comprising: the unlocking piece (19), unlocking piece (19) set up in on latch hook (12) just unlocking piece (19) at least part go deep into in second locking chamber (122), unlocking piece (19) with link (13) cooperation is in order to selectively drive link (13) remove.

11. The trailer hook assembly (1) according to claim 1, wherein an open mouth communicating with the first locking cavity (111) is formed at one end of the locking housing (11), a first limit portion (112) located at the periphery of the open mouth is formed on the end of the locking housing (11), and a second limit portion (123) in limit fit with the first limit portion (112) is formed on the mating section (121).

12. A vehicle, characterized by comprising a towing hook assembly (1) according to any one of claims 1-11.