CN117246082B

CN117246082B - Trailer hook assembly for vehicle and vehicle

Info

Publication number: CN117246082B
Application number: CN202311544158.0A
Authority: CN
Inventors: 敬华伟
Original assignee: BYD Co Ltd
Current assignee: BYD Co Ltd
Priority date: 2023-11-20
Filing date: 2023-11-20
Publication date: 2024-02-27
Anticipated expiration: 2043-11-20
Also published as: CN117246082A

Abstract

The invention discloses a trailer hook assembly for a vehicle and the vehicle, wherein the trailer hook assembly comprises: the mounting seat is arranged in the mounting groove of the vehicle body; the driving assembly is connected with the mounting seat and is suitable for being accommodated in the mounting groove; the trailer comprises a trailer body, a driving assembly, a trailer coupler and a driving assembly, wherein one end of the trailer body is connected with the driving assembly, and the trailer coupler is suitable for moving under the driving of the driving assembly to accommodate the other end of the trailer body in a accommodating groove of the vehicle body or move to separate the other end of the trailer body from the accommodating groove and unfold. According to the trailer hook assembly, the driving assembly and the mounting seat are arranged in the mounting groove on the cross beam, and the trailer hook is driven to rotate through the driving assembly, so that the trailer hook is hidden in the containing groove in the cross beam or is rotated out of the cross beam and unfolded, the trailer hook can be contained in the containing groove under the condition of not being used, the damage of the external environment is avoided, and the service life of the trailer hook is prolonged.

Description

Trailer hook assembly for vehicle and vehicle

Technical Field

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

Background

Along with the continuous change of people's life style, more and more people have more demands on the carrying performance of an automobile, an electric trailer hook is additionally arranged on the automobile, the electric trailer hook is fixed on an anti-collision beam behind the automobile through a mounting bracket, the electric trailer hook is driven by a motor to rotate in the circumferential direction after being driven by a gear, the carrying performance of the automobile can be greatly improved by driving the trailer hook body to rotate at an initial position and the carrying position, and meanwhile, the electric opening and closing of the trailer hook can be realized, the using convenience of the trailer hook is improved, but in the trailer hook pulling process, if the trailer hook body rotates or swings, a supported object is easily separated from the trailer hook body, so that a safety accident is caused, and the trailer hook is generally exposed to the outside of a cross beam and is damaged, so that the carrying stability of the trailer hook is improved and the service life of the trailer hook is prolonged, and the problem to be solved in the art is urgent.

Disclosure of Invention

The present invention 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 invention to propose a towing hook assembly for a vehicle. According to the trailer hook assembly, the driving assembly and the mounting seat are arranged in the mounting groove on the cross beam, and the trailer hook is driven to move through the driving assembly, so that the trailer hook is hidden in the containing groove in the cross beam or is rotated out of the cross beam and unfolded, the trailer hook can be contained in the containing groove under the condition of not being used, the damage of the external environment is avoided, and the service life of the trailer hook is prolonged.

The invention further provides a vehicle comprising the trailer hook assembly.

The trailer hook assembly according to the present invention includes: the mounting seat is suitable for being arranged in a mounting groove of the vehicle body; the driving assembly is connected with the mounting seat and is suitable for being accommodated in the mounting groove; the trailer comprises a trailer body, a driving assembly, a trailer coupler and a driving assembly, wherein one end of the trailer body is connected with the driving assembly, and the trailer coupler is suitable for moving under the driving of the driving assembly to accommodate the other end of the trailer body in a accommodating groove of the vehicle body or move to separate the other end of the trailer body from the accommodating groove and unfold.

According to the trailer hook assembly, the mounting groove and the containing groove are formed in the bottom of the cross beam, the mounting seat and the driving assembly are mounted in the mounting groove and hidden in the bottom of the cross beam, one end of the trailer hook is connected with the driving assembly, the other end of the trailer hook can be contained in the containing groove, the other end of the trailer hook is hidden and contained in the containing groove under the condition that the trailer hook is not needed to be used, when the trailer hook is needed to be used, the driving assembly drives one end of the trailer hook to move and drives the other end of the trailer hook to be separated from the containing groove, after the other end of the trailer hook is separated from the containing groove, the driving assembly drives the trailer hook to rotate to the unfolding position, shaking generated by rotation of the trailer hook can not affect the driving assembly and the mounting seat, the stability of the trailer hook assembly is high, and after the trailer hook is used, the driving assembly can drive the trailer hook to rotate and lift into the containing groove so that the trailer hook is hidden to the bottom of the cross beam, the service life of the trailer hook is prevented from being damaged due to long-term exposure to the outside a vehicle body.

According to one embodiment of the invention, the other end of the towing hook is adapted to rotate and/or move axially relative to the drive assembly.

According to one embodiment of the invention, the trailer hook assembly further comprises: the guide seat is arranged on the mounting seat, a first limit track is formed on the guide seat, one end of the trailer hook is provided with a matching part, and the driving assembly is provided with a second limit track for limiting the movement of the matching part; the driving assembly is connected with the matching part and drives the trailer hook to move in the circumferential direction.

According to one embodiment of the invention, the drive assembly comprises: the driving piece is arranged on the mounting seat and is provided with an output end; the driving seat is rotatably arranged on the mounting seat, is in transmission connection with the output end and rotates under the drive of the output end, and is provided with a shifting fork which is movably connected with the matching part in the axial direction; the matching part moves in the second limiting track and moves along the axial direction relative to the shifting fork.

According to one embodiment of the invention, the shift fork is formed with a shift groove extending in the axial direction, the shift groove defines the second limit rail therein, and the matching part can selectively move in the axial direction in the second limit rail.

According to one embodiment of the invention, the first limit rail comprises: the circumferential section is arranged on the periphery of the guide seat and extends in the circumferential direction; a first axial segment provided at one end of the circumferential segment and extending in an axial direction; the cooperation part cooperates with the first axial section to enable the trailer hook to swing towards a first direction separated from the accommodating groove, and the cooperation part cooperates with the circumferential section to enable the other end of the trailer hook to rotate to a unfolding position.

According to one embodiment of the present invention, the first limit rail further includes: and the second axial section is arranged at the other end of the circumferential section and extends in the axial direction, the matching part is matched with the second axial section so as to enable the other end of the trailer hook to swing towards a second direction, and the first direction is opposite to the second direction.

According to an embodiment of the invention, the first axial section and the second axial section are arranged obliquely away from each other in a direction away from the mount.

According to one embodiment of the invention, a containing cavity is formed in the guide seat, the first limiting rail penetrates through the containing cavity, a first matching block contained in the containing cavity is formed at one end of the trailer hook, the first matching block can selectively rotate in the circumferential direction and move in the axial direction relative to the guide seat, and the matching part is arranged on the first matching block.

According to one embodiment of the invention, the first mating block is configured as a sphere or cylinder.

According to an embodiment of the present invention, the first engagement block has an engagement hole formed thereon, and the engagement portion is configured as a stopper pin inserted into the engagement hole, the stopper pin being engaged with the first stopper rail and the fork, respectively.

According to one embodiment of the invention, the trailer hook assembly further comprises: the ball head mounting seat is provided with a matching groove and is sleeved on the periphery of the first ball head, at least part of the first ball head is accommodated in the matching groove, and the ball head mounting seat is suitable for sealing the open end of the accommodating cavity.

According to one embodiment of the invention, the ball mount comprises: the chassis is in an annular structure and sleeved on the periphery of one end of the trailer hook; the side plate is arranged on the periphery of the chassis, a matching groove for accommodating the first ball head is defined between the side plate and the chassis, and a limit groove suitable for accommodating the matching part is formed in the side plate.

According to one embodiment of the invention, the output end of the driving piece is provided with a worm, and the driving seat is provided with a worm wheel matched with the worm.

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

The vehicle according to the invention comprises the trailer hook assembly according to any one of the embodiments, and the vehicle according to the invention comprises the trailer hook assembly according to any one of the embodiments, so that the trailer hook of the vehicle according to the invention can be hidden at the bottom of the cross beam when not in use, thereby ensuring the attractive appearance of the outside of the vehicle, and the use of the vehicle trailer hook is safe and convenient.

Additional aspects and advantages of the invention 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 invention.

Drawings

The foregoing and/or additional aspects and advantages of the invention 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 invention;

FIG. 2 is a schematic diagram of a draft gear assembly according to one embodiment of the present invention;

FIG. 3 is a schematic diagram of a draft gear disengaged condition of a draft gear assembly according to one embodiment of the present invention;

FIG. 4 is a schematic diagram of a spread of a trailer coupler assembly according to one embodiment of the invention;

FIG. 5 is a schematic diagram of a fifth wheel of a draft gear assembly according to one embodiment of the present invention;

FIG. 6 is a schematic diagram of a tow coupler spread position of a tow coupler assembly according to one embodiment of the invention;

FIG. 7 is a bottom view of a tow coupler spread position of a tow coupler assembly according to one embodiment of the invention;

FIG. 8 is a schematic diagram of a concealed state of a trailer hook of the trailer hook assembly in accordance with one embodiment of the present invention;

fig. 9 is a schematic diagram of a draft gear disengaging pocket of a draft gear assembly according to one embodiment of the present invention.

Reference numerals:

a tow hook assembly 1;

a cross beam 11, a mounting groove 111, and a receiving groove 112;

mounting base 12, beam overlap 121, mounting hole 122, overlap edge 123, and insertion hole 1231;

the drive 131, worm 1311, first mating tooth 13111, worm gear 1312, second mating tooth 13121, drive seat 132, shift fork 1321, second limiting rail 1322, connector 1323, guide seat 133, first limiting rail 1331, circumferential segment 13311, first axial segment 13312, second axial segment 13313, receiving cavity 1332, first post 1333, snap boss 1334;

the trailer hook 14, the matching part 141, the square block 1411, the first matching block 142, the matching hole 1421, the second matching block 143 and the connecting rod 144; ball mounting seat 15, chassis 151, side plate 152 and limit groove 153.

Detailed Description

Embodiments of the present invention 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 invention.

A tow hook assembly 1 for a vehicle according to an embodiment of the present invention is described below with reference to fig. 1 to 9.

The trailer hook assembly 1 comprises a mounting seat 12, a driving assembly and a trailer hook 14, wherein the mounting seat 12 is arranged in a mounting groove 111 of a vehicle body; the driving component is connected with the mounting seat 12 and is accommodated in the mounting groove 111; one end of the trailer hook 14 is connected with the driving component, and the trailer hook 14 is suitable for moving under the driving of the driving component to accommodate the other end of the trailer hook 14 in the accommodating groove 112 of the vehicle body or move to disengage the other end of the trailer hook 14 from the accommodating groove 112 and unfold.

As shown in fig. 6 to 9, a cross beam 11 is arranged on a vehicle body, a mounting groove 111 and a containing groove 112 are formed on the lower surface of the cross beam 11, a trailer coupler assembly 1 is arranged on the cross beam 11, a mounting seat 12 is arranged in the mounting groove 111, the mounting seat 12 can be connected with the inner wall of the mounting groove 111 in a bolt connection mode, a clamping mode and the like, mounting points suitable for being connected with a driving assembly are formed on the mounting seat 12, the driving assembly is connected with the mounting seat 12 and contained in the mounting groove 111 together, one end of a trailer coupler 14 is connected with the driving assembly and is suitable for moving under the driving of the driving assembly so as to drive the other end of the trailer coupler 14 to move upwards, downwards, rotate and the like, under the condition that the other end of the trailer coupler 14 does not need to use, the other end of the trailer coupler 14 is contained in the containing groove 112, the driving assembly and the mounting seat 12 are contained in the mounting groove 111, the trailer coupler 14 and the driving assembly can be hidden on the lower surface of the cross beam 11 without being always located outside the cross beam 11, the trailer coupler 14 is prevented from being always exposed outside the vehicle body, the condition that the trailer coupler 14 needs to be used, the trailer coupler 14 is driven by the driving assembly to be well, the trailer coupler 14 is driven by the driving assembly to be in a stable state, and the rotation and the trailer coupler assembly can be driven by the high driving assembly is in a stable condition, and the rotation and the vehicle coupler 14 can be driven from the coupler 14 is in a stable condition, and can be rotated and can be stably under the condition when the condition that the rotation and can be stably is well when the coupler is in the driving assembly is in a rotary and stable condition is in the condition when the rotation and can be rotated and is in the rotation and is in the condition when the coupler 11. When the trailer hook 14 is used, the driving assembly drives the trailer hook 14 to rotate and resets the other end of the trailer hook 14 into the accommodating groove 112, so that the trailer hook 14 is prevented from being damaged by the external environment, the service life of the trailer hook 14 is prolonged, and if the trailer hook 14 is damaged, the trailer hook 14 is quite convenient to disassemble and low in maintenance cost.

As shown in fig. 6 and 7, the mounting groove 111 and the accommodating groove 112 are disposed on the lower side of the middle part of the cross beam 11, wherein an open opening is formed on the mounting groove 111, the depth of the mounting groove 111 is greater than that of the accommodating groove 112, the mounting seat 12 is disposed at the bottom of the mounting groove 111, the structure of the mounting seat 12 is as shown in fig. 1, a cross beam lap portion 121 is formed at one end of the mounting seat 12 facing the cross beam 11, the cross beam lap portion 121 can be configured as a lap groove, a plurality of mounting holes 122 are formed on the inner wall of the lap groove, a plurality of lap holes matched with the mounting holes 122 can be formed in the mounting groove 111, the cross beam lap portion 121 is attached to the inner wall of the mounting groove 111 in the process that the mounting seat 12 is mounted in the mounting groove 111, then the mounting seat 12 and the lap holes can be sequentially penetrated through bolts so that the mounting seat 12 and the mounting groove 111 are tightly connected, a plurality of lap edges 123 extending along the direction far away from the cross beam 11 and being arranged at intervals in the width direction of the mounting seat 12 are disposed at one end of the mounting seat 12, a plurality of lap edges 123 are disposed on each lap edge 123, a plurality of holes 1231 are formed on the inner walls of the lap edges, a plurality of the lap edges are opposite to each other, a plurality of drive assemblies are arranged in the width direction opposite directions, and are opposite to each other, and are matched with the drive assembly through a plurality of holes through the jack holes through the width holes 1231 and the jack holes and the drive assembly, and are conveniently connected with the drive assembly.

The accommodating groove 112 and the mounting groove 111 are arranged at intervals in the length direction of the cross beam 11, a supporting table is formed in the accommodating groove 112 and is used for supporting the trailer hook 14, an accommodating cavity is formed in one side, far away from the mounting groove 111, of the supporting table, one end of the trailer hook 14 is connected with the driving component, the other end of the trailer hook 14 is accommodated in the accommodating cavity, the height of the supporting table is lower than the opening height of the accommodating groove 112, so that the trailer hook 14 is completely hidden and accommodated in the accommodating groove 112, under the condition that the trailer hook 14 is required to be used, the driving component can drive one end of the trailer hook 14 to move downwards and drive the other end of the trailer hook 14 to be separated from the accommodating groove 112, after the other end of the trailer hook 14 is separated from the accommodating groove 112, the driving component can drive the trailer hook 14 to rotate and move upwards to the accommodating groove 112, so that the trailer hook 14 is hidden in the accommodating groove 112, the attractiveness of the vehicle cross beam 11 is maintained, the trailer hook 14 is hidden in the accommodating groove 112, the damage to the external part such as to rainwater can be prevented, the service life of the trailer hook 14 can be prolonged, and the service life of the trailer hook 14 can be reduced.

According to the trailer hook assembly 1 disclosed by the invention, the mounting groove 111 and the accommodating groove 112 are formed in the bottom of the cross beam 11, the mounting seat 12 and the driving assembly are mounted in the mounting groove 111 and hidden at the bottom of the cross beam 11, one end of the trailer hook 14 is connected with the driving assembly, and the other end of the trailer hook 14 can be accommodated in the accommodating groove 112, wherein under the condition that the trailer hook 14 is not required to be used, the other end of the trailer hook 14 is hidden and accommodated in the accommodating groove 112, when the trailer hook 14 is required to be used, the driving assembly drives one end of the trailer hook 14 to move and drives the other end of the trailer hook 14 to be separated from the accommodating groove 112, and after the other end of the trailer hook 14 is separated from the accommodating groove 112, the driving assembly drives the trailer hook 14 to rotate to the unfolding position, so that shaking generated by rotation of the trailer hook 14 can not affect the driving assembly and the mounting seat 12, and the stability of the trailer hook assembly 1 is high, and after the trailer hook 14 is used, the driving assembly can drive the trailer hook 14 to rotate and lift into the accommodating groove 112, so that the other end of the trailer hook 14 is hidden at the bottom of the cross beam 11, the long-term exposure of the trailer hook 14 is avoided, and the service life of the trailer hook 14 is prolonged.

According to one embodiment of the present invention, the other end of the trailer hook 14 is adapted to rotate and/or move axially relative to the driving assembly, one end of the trailer hook 14 is connected to the driving assembly, the driving assembly drives one end of the trailer hook 14 to move, so as to drive the other end of the trailer hook 14 to separate from the accommodating groove 112 and spread, wherein one end of the trailer hook 14 moves axially relative to the driving assembly, so as to drive the other end of the trailer hook 14 to separate from the accommodating groove, and the other end of the trailer hook 14 rotates relative to the driving assembly and rotates to the spread position; after the trailer hook 14 is used, the trailer hook 14 reversely rotates relative to the driving assembly to be opposite to the accommodating groove 112, and the trailer hook 14 axially moves relative to the driving assembly and is accommodated in the accommodating groove.

According to one embodiment of the present invention, the trailer hook assembly 1 further comprises a guide holder 133, the guide holder 133 is disposed on the mounting seat 12, a first limiting rail 1331 is formed on the guide holder 133, a matching portion 141 is disposed at one end of the trailer hook 14, and a second limiting rail 1322 for limiting the movement of the matching portion 141 is disposed on the driving assembly; wherein the driving assembly is connected with the mating portion 141 and drives the trailer hook 14 to move in the circumferential direction.

Specifically, the guide holder 133 is disposed on the mounting base 12, a first limiting rail 1331 is formed on the guide holder 133, one end of the trailer hook 14 is provided with a mating portion 141, the mating portion 141 is connected with a driving assembly, and the mating portion 141 on the trailer hook 14 is driven by the driving assembly to move along the first limiting rail 1331, so as to drive one end of the trailer hook 14 to move in a circumferential direction, wherein the trailer hook 14 can perform translational or rotational movement.

According to one embodiment of the present invention, the driving assembly includes a driving member 131 and a driving seat 132, the driving member 131 is disposed on the mounting seat 12, and the driving member 131 is provided with an output end; the driving seat 132 is rotatably arranged on the mounting seat 12, the driving seat 132 is in transmission connection with the output end and rotates under the drive of the output end, and a shifting fork 1321 which is movably connected with the matching part 141 in the axial direction is formed on the driving seat 132; wherein the engaging portion 141 moves within the second limiting rail 1322 and moves axially with respect to the shift fork 1321.

As shown in fig. 1, the driving assembly includes a driving member 131 and a driving seat 132, wherein the driving member 131 may be configured as a motor, the driving member 131 is disposed on the mounting seat 12, an output end is formed on the driving member 131, and the output end is connected with the mounting seat 12 through a plug hole 1231 on the mounting seat 12, so that the driving member 131 may drive the output end to rotate; the driving seat 132 is rotatably disposed on the mounting seat 12, the driving seat 132 can be driven by the output end of the driving member 131 to rotate, and a shifting fork 1321 movably connected with the matching portion 141 in the axial direction is formed on the driving seat 132; at least part of the guide holder 133 passes through the driving holder 132 and is connected with the mounting seat 12, a first limiting rail 1331 is formed on the guide holder 133, the driving piece 131 drives the output end to rotate and drives the driving holder 132 to rotate, and a shifting fork 1321 on the driving holder 132 drives a matching part 141 on the trailer hook 14 to move along the first limiting rail 1331, so that one end of the trailer hook 14 is driven to perform translational or rotational movement.

Wherein a first hole is formed on the driving seat 132 to be coupled with the guide seat 133 in a matching manner, a first post 1333 adapted to be inserted into the first hole is formed on the guide seat 133, a locking protrusion 1334 is formed at one end of the first post 1333, the guide seat 133 passes through the first hole through the first post 1333 and is coupled with the mounting seat 12 through the locking protrusion 1334, one end of the trailer hook 14 is coupled with the other end of the guide seat 133, a coupling portion 141 is inserted into one end of the trailer hook 14 and can move along the first limit rail 1331 under the driving of the shifting fork 1321, thereby driving the trailer hook 14 to move, wherein the coupling portion 141 is structured as shown in fig. 1, one end of the coupling portion 141 is constructed as a cylindrical end adapted to be inserted into one end of the trailer hook 14, the other end of the coupling portion 141 is constructed as a square block 1411, the square block 1411 is suitable for being matched with the shifting fork 1321 and moving under the driving of the shifting fork 1321, the square block 1411 is matched with the shifting fork 1321 and then moves along the extending direction of the shifting fork 1321 under the driving of the rotation of the driving seat 132, wherein the driving member 131 drives the driving seat 132 to rotate through the output end, the shifting fork 1321 on the driving seat 132 drives the square block 1411 of the matching part 141 to axially move along the shifting fork 1321, the cylindrical end of the matching part 141 moves in the first limiting rail 1331 to drive the trailer hook 14 to move, the square block 1411 cannot rotate in the shifting fork 1321, and the other end of the matching part 141 is prevented from rotating in the shifting fork 1321 in the moving process of the cylindrical end in the first limiting rail 1331, so that the uniqueness of the motion of the trailer hook 14 is maintained.

According to an embodiment of the present invention, the shift fork 1321 is formed with a shift groove extending in an axial direction, a second limiting rail 1322 is defined in the shift groove, and the engaging portion 141 is selectively moved in the axial direction within the second limiting rail 1322.

As shown in fig. 1, a poking groove extending in the axial direction is formed on the poking fork 1321, one end of the matching portion 141 is driven by the driving seat 132 to selectively move in the axial direction in the second limiting rail 1322, wherein the square block 1411 of the matching portion 141 is in limiting fit with the inner wall of the second limiting rail 1322, so that the square block 1411 cannot rotate in the second limiting rail 1322, and the other end of the matching portion 141 also rotates in the poking fork 1321 during the movement of the cylindrical end of the matching portion 141 in the first limiting rail 1331, so as to keep the uniqueness of the movement of the towing hook 14.

According to one embodiment of the present invention, the first stopper rail 1331 includes a circumferential section 13311 and a first axial section 13312, the circumferential section 13311 being provided at the outer circumference of the guide holder 133 and extending in the circumferential direction; the first axial segment 13312 is provided at one end of the circumferential segment 13311 and extends in the axial direction; wherein the engagement portion 141 engages the first axial segment 13312 to swing the trailer hook 14 in a first direction out of the receiving groove 112, and the engagement portion 141 engages the circumferential segment 13311 to rotate the other end of the trailer hook 14 to the deployed position.

The structure of the first limiting rail 1331 is shown in fig. 1 and 5, the first limiting rail 1331 includes a circumferential section 13311 and a first axial section 13312, the circumferential section 13311 is disposed on the outer surface of the guide holder 133 and extends in the circumferential direction, the first axial section 13312 is disposed at one end of the circumferential section 13311 and extends in the axial direction, the driving member 131 drives the driving holder 132 to rotate and drives the matching portion 141 through the shifting fork 1321 on the driving holder 132, so that one end of the matching portion 141 sequentially moves along the first axial section 13312 and the circumferential section 13311, and the other end of the trailer hook 14 can be separated from the accommodating groove 112 and rotated to the unfolding position.

Specifically, the square block 1411 of the mating portion 141 is accommodated in the toggle slot, the driving member 131 drives the driving seat 132 to rotate through rotation of the output end, the driving seat 132 rotates and drives the mating portion 141 to move through the shifting fork 1321, wherein the cylindrical end of the mating portion 141 moves from one end to the other end of the first axial section 13312, in this process, the mating portion 141 drives the other end of the trailer hook 14 to swing along the first direction and separate from the accommodating slot 112, wherein the first direction may be a direction facing the ground, at this time, the square block 1411 moves along the extending direction of the toggle slot, and then the cylindrical end continues to move along the circumferential section 13311 and drives the other end of the trailer hook 14 to horizontally rotate to the unfolding position, wherein the square block 1411 of the mating portion 141 moves along the extending direction of the toggle slot and cannot separate from the toggle slot in the moving process of the cylindrical end of the mating portion 141 in the first limiting track 1331, so as to ensure operation safety of the trailer hook 14.

According to one embodiment of the present invention, the first stopper rail 1331 further includes a second axial section 13313, the second axial section 13313 is provided at the other end of the circumferential section 13311 and extends in the axial direction, and the engagement portion 141 is engaged with the second axial section 13313 to swing the other end of the trailer hook 14 toward the second direction, the first direction being opposite to the second direction.

As shown in fig. 5, the first limiting rail 1331 further includes a second axial segment 13313, the second axial segment 13313 is disposed at the other end of the circumferential segment 13311 and extends in an axial direction, the extending direction of the second axial segment 13313 is the same as that of the first axial segment 13312, when the other end of the trailer hook 14 rotates to the unfolded position, the driving seat 132 continues to rotate and drives the mating portion 141 to move along the second axial segment 13313, so as to drive the other end of the trailer hook 14 to swing towards a second direction, wherein the first direction and the second direction are opposite, the first direction may be a direction towards the ground, and the second direction may be a vertical upward direction, so that the other end of the trailer hook 14 swings to the horizontal position, thereby facilitating use of the trailer hook 14.

In some embodiments, when the trailer hook 14 is used, the driving seat 132 rotates in the opposite direction under the driving of the driving piece 131, the mating section rotates to one end of the second axial section 13313 along the other end of the second axial section 13313 and moves to the circumferential section 13311, the other end of the trailer hook 14 swings towards the first direction and reaches the unfolded position, then the mating section moves from the other end of the circumferential section 13311 to one end of the circumferential section 13311, so that the other end of the trailer hook 14 horizontally rotates and rotates to the bottom of the cross beam 11, the mating section 141 continues to move along the first axial section 13312, and the other end of the trailer hook 14 swings towards the second direction and is accommodated in the accommodating groove 112, so as to achieve the state shown in fig. 8, so that the trailer hook 14 is hidden in the accommodating groove 112, the appearance of the cross beam 11 is ensured, and the trailer hook 14 accommodated in the accommodating groove 112 can prevent the trailer hook 14 from being damaged by the external environment, the service life of the trailer hook 14 is prolonged, and the maintenance cost is reduced.

According to one embodiment of the invention, the first axial segment 13312 and the second axial segment 13313 are disposed obliquely away from each other in a direction away from the mount base 12.

As shown in fig. 4 and 5, the first axial section 13312 and the second axial section 13313 are inclined away from each other and towards a direction away from the mounting seat 12, so that inclined angles exist between one ends of the first axial section 13312 and the second axial section 13313, which are connected with the circumferential section 13311, and the circumferential section 13311, respectively, wherein the angles between the first axial section 13312 and the circumferential section 13311 and between the second axial section 13313 and the circumferential section 13311 are obtuse angles, so that the process of moving the mating section from the first axial section 13312 to the circumferential section 13311 and from the circumferential section 13311 to the second axial section 13313 is smoother, and the other end of the trailer hook 14 is driven by the mating portion 141 to have a larger swinging angle, so that the other end of the trailer hook 14 is convenient to be separated from or reset into the accommodating groove 112, and the use of the trailer hook 14 is more convenient.

According to an embodiment of the present invention, a receiving cavity 1332 is formed in the guide holder 133, a first limiting rail 1331 penetrates through the receiving cavity 1332, a first matching block 142 received in the receiving cavity 1332 is formed at one end of the trailer hook 14, the first matching block 142 selectively rotates in the circumferential direction and moves in the axial direction relative to the guide holder 133, and a matching portion 141 is provided on the first matching block 142.

As shown in fig. 1, a receiving cavity 1332 is formed in the guide holder 133, a mating surface matched with one end of the trailer hook 14 is formed on the inner wall of the receiving cavity 1332, a first mating block 142 is formed on one end of the trailer hook 14, the first mating block 142 is received in the receiving cavity 1332 and is in fit with the mating surface in the receiving cavity 1332, one end of the trailer hook 14 is conveniently rotated in the receiving cavity 1332, a mating part 141 is arranged on the first mating block 142, wherein a first limit rail 1331 is arranged on the outer surface of the receiving cavity 1332 and penetrates through the receiving cavity 1332, the cylindrical end of the mating part 141 penetrates through the first limit rail 1331 and is connected with the first mating block 142, the cylindrical end penetrates through the center of the first mating block 142, so that the first mating block 142 is stressed more uniformly, and the first mating block 142 is more conveniently rotated, the mating part 141 is driven by a shifting fork 1321 to move along the first limit rail 1331 and drive the first mating block 142 to rotate in the receiving cavity 1332, the other end of the trailer hook 14 is driven to swing and rotate, and the other end of the trailer hook 14 is further driven to be separated from a receiving groove 1332, the trailer hook 14 is unfolded and separated from the receiving groove 1332, the trailer hook 14 is retracted from the other end, and the trailer hook 14 is retracted from the other end to the vehicle coupler 14, and the vehicle is retracted from the receiving groove 112, and the vehicle coupler 11, and the vehicle is retracted from the end, and the vehicle coupler 14 is retracted from the end, and the vehicle is retracted from the vehicle coupler 11.

In some embodiments, a second matching block 143 is disposed at the other end of the trailer hook 14, the first matching block 142 and the second matching block 143 are connected through a connecting rod 144, the connecting rod 144 includes a first rod, a second rod and a third rod, the first rod extends along a horizontal direction, the second rod and the third rod are respectively disposed at two ends of the first rod and respectively extend perpendicular to the first rod, the second rod and the third rod are both disposed at one side of the first rod facing the cross beam 11, the first matching block 142 and the second matching block 143 are respectively connected with the second rod and the third rod, as shown in fig. 2 and 3, the first matching block 142 is accommodated in the guide holder 133, the first matching block 142 rotates under the driving of the matching portion 141, and the first matching block 142 rotates to drive the second matching block 143 to swing and rotate through the connecting rod 144, so that the other end of the trailer hook 14 is separated from the accommodating groove 112 to the unfolding position or the other end of the trailer hook 14 is reset into the accommodating groove 112.

According to an embodiment of the present invention, the first matching block 142 is configured as a sphere or a cylinder, so that the first matching block 142 is convenient to be matched and connected with the guide seat 133, the first matching block 142 is driven by the matching portion 141 to rotate, and the first matching block 142 is configured as a sphere or a cylinder, so that the first matching block 142 can be prevented from being separated from the matching portion 141.

According to an embodiment of the present invention, the first coupling block 142 is formed with a coupling hole 1421, and the coupling portion 141 is configured as a stopper pin inserted into the coupling hole 1421, which is coupled to the first stopper rail 1331 and the fork 1321, respectively.

As shown in fig. 1, a coupling hole 1421 is formed on the first coupling block 142, the coupling hole 1421 may penetrate to a center of the first coupling block 142, the coupling part 141 is configured as a limiting pin that may be inserted into the coupling hole 1421, one end of the limiting pin may be configured as a cylindrical end, the cylindrical end is adapted to be inserted into the coupling hole 1421 and connected with the first coupling block 142, at least a portion of the cylindrical end is received in the first limiting rail 1331 and selectively moves along the first limiting rail 1331, the other end of the limiting pin may be configured as a square block 1411, the square block 1411 is adapted to be inserted into a toggle slot and coupled with the toggle fork 1321, wherein the driving part 131 may drive the output end to rotate, the output end is driven by the driving seat 132 to rotate, the driving seat 132 rotates and drives the coupling part 141 to move through the toggle fork 1321, the square block 1411 of the matching part 141 moves along the extending direction of the toggle groove, the cylindrical end of the matching part 141 can move along the first limiting rail 1331 in the first limiting rail 1331 and drives the first matching block 142 to rotate, the first matching block 142 rotates and can drive the other end of the draft gear 14 to swing and rotate, and the like, so that the draft gear 14 can be separated from the accommodating groove 112 and swing to the unfolding position, after the draft gear 14 is used, the other end of the draft gear 14 can swing and rotate to reset into the accommodating groove 112 under the driving of the driving piece 131, so that the draft gear 14 is hidden to the bottom of the cross beam 11, the attractive appearance of the cross beam 11 is ensured, and the utility model has the advantages of simple structure and low maintenance cost by matching the matching part 141, the shifting fork 1321, the first limiting rail 1331 and the first matching block 142 and driving the draft gear 14 to move.

According to one embodiment of the present invention, the trailer hook assembly 1 further includes a ball mounting seat 15, the ball mounting seat 15 is formed with a matching groove and sleeved on the periphery of the first matching block 142, at least part of the first matching block 142 is accommodated in the matching groove, and the ball mounting seat 15 is adapted to close the open end of the accommodating cavity 1332.

As shown in fig. 1, a mating groove is formed on the ball mounting seat 15, a concave spherical surface matched with the first mating block 142 is formed in the mating groove, at least part of the first mating block 142 can be accommodated in the mating groove and is attached to the concave spherical surface in the mating groove, so that the first mating block 142 can normally rotate in the mating groove, wherein the ball mounting seat 15 is suitable for being connected with the guide seat 133, the ball mounting seat 15 can be sleeved on the periphery of the first mating block 142 and seals the open end of the accommodating cavity 1332 in the guide seat 133, after the ball mounting seat 15 and the guide seat 133 are assembled, a complete concave spherical surface matched with the first mating block 142 can be formed in the accommodating cavity 1332 and the mating groove, and the mating part 141 penetrates through the first limiting rail 1 and is inserted into the interior of the first mating block 142, so that the ball mounting seat 15 and the guide seat 133 can be connected with the guide seat 133 to avoid the first mating block 142 from being separated from the guide seat 133 due to the limitation of the first limiting rail 1331, thereby better controlling the rotation direction of the first mating block 142, and the ball mounting seat 15 and the guide seat 133 can be prevented from being separated from the guide seat 133 and the guide seat 133, and the guide seat 15 can be safely assembled.

According to one embodiment of the invention, the ball mounting seat 15 comprises a chassis 151 and a side plate 152, wherein the chassis 151 is in a ring shape and sleeved on the periphery of one end of the trailer hook 14; the side plate 152 is disposed on the outer periphery of the chassis 151, a fitting groove for accommodating the first fitting block 142 is defined between the side plate 152 and the chassis 151, and a limiting groove 153 adapted to accommodate the fitting portion 141 is formed on the side plate 152.

As shown in fig. 1, the ball mounting seat 15 includes a chassis 151 and a side plate 152, where the chassis 151 is configured as a ring, a through hole is formed in the middle of the ring, the chassis 151 is sleeved on the periphery of the first mating block 142, at least a portion of the first mating block 142 and the connecting rod 144 can be exposed from the through hole, during the rotation of the first mating block 142, the first mating block 142 drives the connecting rod 144 to move, the ring-shaped peripheral wall on the chassis 151 can limit the rotation range of the first mating block 142, and the ring-shaped chassis 151 provides an avoidance space for the rotation of the first mating block 142; the side plate 152 is disposed on the periphery of the chassis 151, a matching groove matched with the first matching block 142 is formed between the side plate 152 and the chassis 151, a concave spherical surface matched with the surface of the first matching block 142 is formed in the matching groove, the side plate 152 is attached to at least part of the inner wall of the guide seat 133, a limit groove 153 as shown in fig. 1 is further formed on the side plate 152, the matching portion 141 penetrates through the first limit rail 1331 and then is inserted into the first matching block 142, after the ball mounting seat 15 and the guide seat 133 are assembled, at least part of the matching portion 141 can be accommodated in the limit groove 153, and the limit groove 153 provides avoidance space for movement of the matching portion 141, so that movement of the matching portion 141 along the first limit rail 1331 is smoother.

According to an embodiment of the present invention, the output end of the driving member 131 is provided with a worm 1311, and the driving seat 132 is formed with a worm wheel 1312 engaged with the worm 1311.

As shown in fig. 1, the output end of the driving member 131 is provided with a worm 1311, the driving member 131 may be configured as a motor, the worm 1311 may be connected with the motor through a connector 1323, a plurality of first matching teeth 13111 disposed at intervals are formed on the periphery of the worm 1311, a worm wheel 1312 matching with the worm 1311 is formed on the driving seat 132, a second matching tooth 13121 matching with the first matching tooth 13111 is formed on the periphery of the worm wheel 1312, the motor rotates to drive the worm 1311, the first matching tooth 13111 on the periphery of the worm 1311 may drive the second matching tooth 13121 on the periphery of the worm wheel 1311 to rotate, thereby realizing that the driving member 131 drives the driving seat 132 to rotate, self-locking between the worm wheel 1312 and the worm 1311 can be realized, the worm wheel 1312 can only rotate under the transmission of the worm 1311, and the rotation of the worm wheel 1312 cannot influence the worm 1311, therefore, in the driving seat 132 drives the trailer 14 to rotate, only the force 1312 does not influence the motor and the worm 1311, the trailer 14 cannot shake in the rotation process, and the trailer 14 runs stably.

The vehicle according to the present invention is briefly described below.

The vehicle according to the present invention includes the trailer hook assembly 1 according to any one of the embodiments, and since the vehicle according to the present invention includes the trailer hook assembly 1 according to any one of the embodiments, the trailer hook 14 of the vehicle according to the present invention may be hidden at the bottom of the cross beam 11 when not in use, thereby ensuring the aesthetic appearance of the exterior of the vehicle, and the use of the vehicle trailer hook 14 is safe and convenient.

In summary, according to the trailer hook assembly 1 of the present invention, the mounting groove 111 and the receiving groove 112 are formed on the cross beam 11, the mounting groove 111 and the receiving groove 112 are both disposed at the bottom of the cross beam 11, the driving assembly and the mounting seat 12 are received in the mounting groove 111, the mounting groove 111 is formed with an open opening, which facilitates the installation of the mounting seat 12 and the driving assembly, one end of the trailer hook 14 is connected with the driving assembly, the trailer hook 14 can rotate under the driving of the driving assembly to receive the other end of the trailer hook 14 into the receiving groove 112 or disengage the other end of the trailer hook 14 from the receiving groove 112 and rotate to the external unfolding position, wherein the driving assembly is provided with the worm 1311, the motor drives the worm 1311 to rotate, the worm 1311 drives the worm wheel 1312 on the driving seat 132 to rotate, thereby driving the driving seat 132 to drive through the worm wheel 1312, the driving assembly is ensured to rotate stably and no shaking is generated, the trailer hook 14 can be hidden to the bottom of the cross beam 11 or the trailer hook 14 can be rotated to the unfolded position by the driving assembly, the trailer hook 14 can be used conveniently, and the trailer hook 14 is not always exposed to the outside, and the service life of the trailer hook 14 is prolonged.

In the description of the present invention, 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 invention 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 invention.

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

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

In the description of the invention, 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 invention, 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 invention. 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 invention 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 invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A tow hook assembly (1) for a vehicle, comprising:

a mounting seat (12), the mounting seat (12) being adapted to be disposed within a mounting groove (111) of a vehicle body;

the driving assembly is connected with the mounting seat (12) and is suitable for being accommodated in the mounting groove (111);

a trailer hook (14), wherein one end of the trailer hook (14) is connected with the driving assembly, the trailer hook (14) is suitable for moving under the driving of the driving assembly to accommodate the other end of the trailer hook (14) in a accommodating groove (112) of a vehicle body or move to disengage the other end of the trailer hook (14) from the accommodating groove (112) and spread, and the other end of the trailer hook (14) is suitable for rotating relative to the driving assembly and/or moving in the axial direction;

the guide seat (133), the guide seat (133) is arranged on the mounting seat (12), a first limit track (1331) is formed on the guide seat (133), a matching part (141) is arranged at one end of the trailer hook (14), a second limit track (1322) for limiting the matching part (141) to move is arranged on the driving assembly, and the driving assembly is connected with the matching part (141) and drives the trailer hook (14) to move in the circumferential direction;

The drive assembly includes:

the driving piece (131) is arranged on the mounting seat (12), and the driving piece (131) is provided with an output end;

the driving seat (132), the driving seat (132) is rotatably arranged on the mounting seat (12), the driving seat (132) is in transmission connection with the output end and rotates under the drive of the output end, and a shifting fork (1321) which is movably connected with the matching part (141) in the axial direction is formed on the driving seat (132); wherein the engaging portion (141) moves within the second limit rail (1322) and moves axially with respect to the fork (1321).

2. The trailer hook assembly (1) for a vehicle according to claim 1, wherein the fork (1321) has a fork slot formed therein that extends in an axial direction, the fork slot defining the second limit rail (1322) therein, the mating portion (141) being selectively movable in the axial direction within the second limit rail (1322).

3. The trailer hook assembly (1) for a vehicle according to claim 2, wherein the first limit rail (1331) comprises:

-a circumferential section (13311), the circumferential section (13311) being provided at the outer periphery of the guide holder (133) and extending in the circumferential direction;

A first axial segment (13312), the first axial segment (13312) being provided at one end of the circumferential segment (13311) and extending in an axial direction; wherein the method comprises the steps of

The engagement portion (141) engages with the first axial section (13312) to swing the trailer hook (14) in a first direction of disengagement from the receiving groove (112), and the engagement portion (141) engages with the circumferential section (13311) to rotate the other end of the trailer hook (14) to an extended position.

4. A tow hook assembly (1) for a vehicle according to claim 3, wherein the first spacing track (1331) further comprises: a second axial section (13313), the second axial section (13313) being provided at the other end of the circumferential section (13311) and extending in the axial direction, the engagement portion (141) being engaged with the second axial section (13313) to cause the other end of the trailer hook (14) to swing in a second direction, the first direction being opposite to the second direction.

5. The trailer hook assembly (1) for a vehicle according to claim 4, characterized in that the first axial segment (13312) and the second axial segment (13313) are arranged obliquely away from each other in a direction away from the mounting seat (12).

6. The trailer hook assembly (1) for a vehicle according to claim 1, wherein a receiving cavity (1332) is formed in the guide holder (133), the first limiting rail (1331) penetrates through the receiving cavity (1332), a first matching block (142) which is accommodated in the receiving cavity (1332) is formed at one end of the trailer hook (14), the first matching block (142) can selectively rotate in the circumferential direction and move in the axial direction relative to the guide holder (133), and the matching portion (141) is arranged on the first matching block (142).

7. The trailer hook assembly (1) for a vehicle according to claim 6, characterized in that the first mating block (142) is configured as a sphere or cylinder.

8. The trailer hook assembly (1) for a vehicle according to claim 6, wherein the first engagement block (142) has an engagement hole (1421) formed thereon, the engagement portion (141) being configured as a stopper pin inserted into the engagement hole (1421), the stopper pin being engaged with the first stopper rail (1331) and the fork (1321), respectively.

9. The trailer hook assembly (1) for a vehicle according to claim 8, further comprising: the ball mounting seat (15), be formed with the cooperation groove and overlap on ball mounting seat (15) locate the periphery of first cooperation piece (142), at least part of first cooperation piece (142) accept in the cooperation groove, just ball mounting seat (15) are suitable for the closure hold the open end of chamber (1332).

10. The towing hook assembly (1) for vehicles according to claim 9, characterized in that said ball head mount (15) comprises:

the chassis (151) is in an annular shape and sleeved on the periphery of one end of the trailer hook (14);

the side plate (152), the side plate (152) set up in the periphery of chassis (151), side plate (152) with be limited between chassis (151) be used for holding first cooperation piece (142) cooperation groove, be formed with on side plate (152) be suitable for acceping spacing groove (153) of cooperation portion (141).

11. The trailer hook assembly (1) for a vehicle according to claim 1, wherein the output end of the driving member (131) is provided with a worm (1311), and the driving seat (132) is formed with a worm wheel (1312) cooperating with the worm (1311).

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