CN219256975U

CN219256975U - But quick assembly disassembly's trailer arm

Info

Publication number: CN219256975U
Application number: CN202320115852.XU
Authority: CN
Inventors: 蓝恭峰; 毛鹏洲; 蓝超
Original assignee: Qingdao Jinze Industry And Trade Co ltd
Current assignee: Qingdao Jinze Industry And Trade Co ltd
Priority date: 2023-02-06
Filing date: 2023-02-06
Publication date: 2023-06-27
Anticipated expiration: 2033-02-06

Abstract

The utility model discloses a quickly detachable trailer arm which comprises two fixing plates, wherein the two fixing plates are in a parallel state, mounting holes are formed in the surfaces of the upper ends of the two fixing plates, fixing blocks are fixedly connected to the lower ends of the two fixing plates, a connecting arm is fixedly connected between the two fixing blocks, a mounting block is fixedly arranged at the front end of the connecting arm near the middle, the mounting block is in a concave shape, a mounting groove is formed in the mounting block, a supporting arm is movably arranged in the mounting groove, a limiting device is arranged in the mounting groove near the edge, and a connecting block is fixedly connected to the lower end of the supporting arm near the front position. According to the utility model, the installation block and the supporting arm are arranged, so that the device can be conveniently installed when being used, and the connecting rod can be conveniently disassembled and assembled through the installation structure, so that the device can be quickly disassembled and assembled.

Description

But quick assembly disassembly's trailer arm

Technical Field

The utility model relates to the technical field of vehicle traction devices, in particular to a quickly detachable trailer arm.

Background

One end of the trailer arm is usually connected to the trailer, the other end of the trailer arm is provided with a ball socket matched with the spherical head of the trailer, when the trailer drags a fault vehicle off site, a worker needs to clamp the spherical head of the trailer ball arranged on the chassis of the fault vehicle in the ball socket in advance, and in the running process of the trailer with the fault vehicle, the spherical head can swing left and right or back and forth in the ball socket according to different road conditions.

The chinese patent document with publication No. CN205059103U in the prior art provides a trailer arm assembly comprising a connecting arm; the support arm is connected with the connecting arm and is provided with a mounting hole; the main ball head is provided with a cylindrical extension part which is inserted into the mounting hole; the auxiliary ball head is provided with a mounting part, and the mounting part is inserted into the extension part and is in threaded connection with the extension part.

Although the device has more beneficial effects, the following problems still exist: the above device cannot be quickly disassembled and assembled, thus being inconvenient for users to use, and in view of this, we propose a trailer arm which can be quickly disassembled and assembled.

Disclosure of Invention

1. Technical problem to be solved

The utility model aims to provide a trailer arm capable of being quickly disassembled and assembled, so as to solve the problems in the prior art.

2. Technical proposal

The utility model provides a but quick assembly disassembly's trailer arm, includes two fixed plates, two fixed plates are parallel state, the mounting hole has all been seted up to two fixed plate upper end surfaces, the equal fixedly connected with fixed block of two fixed plate lower extreme, two fixedly connected with linking arm between the fixed block, the linking arm front end is close to the fixed mounting in middle has the installation piece, the installation piece is the concave form, the mounting groove has been seted up to the installation piece inside, the inside movable mounting of mounting groove has the support arm, the inside position that is close to the edge of mounting groove is provided with stop device, the position fixedly connected with connecting block before the support arm lower extreme, the position threaded connection before the connecting block upper end has the connecting rod, be provided with mounting structure between connecting rod and the connecting block, the bulb is installed in the rotation of connecting rod upper end.

Preferably, the limiting device comprises a clamping groove and a stop block, the clamping groove and the stop block are arranged in the mounting groove and are close to the left side, the stop block is located on the right side of the mounting groove, the limiting block is movably mounted in the clamping groove, and a reset spring is fixedly connected between the stop block and the mounting groove.

Preferably, the mounting structure comprises a threaded rod and a threaded hole, the threaded rod is fixedly connected to the lower end of the connecting rod, the threaded hole is formed in the surface of the connecting block, the threaded rod is mounted in the threaded hole, and the connecting rod is fixed to the connecting block through the mounting structure.

Preferably, the number of the mounting holes on each fixing plate is a plurality of.

Preferably, the shape of the support arm is L-shaped.

Preferably, the stop is rotatable only counterclockwise, and the maximum angle of rotation is ninety degrees.

Preferably, the ball head rotates by three hundred and sixty degrees.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages that:

1. according to the utility model, the device can be quickly and conveniently installed through the installation block and the support arm, when the device is required to be used, the support arm is clamped at the edge of the installation groove in the installation block, then the support arm is pushed inwards, at the moment, the support arm can be installed in the installation groove through compression of the return spring, after the support arm is installed, the return spring can be reset, so that the support arm can be rotated clockwise to restore to the original position, at the moment, the limiting block is installed in the clamping groove, thereby preventing the support arm from excessively rotating, further preventing the support arm from falling from the installation groove, and then the threaded rod is matched with the threaded hole through mutual matching, and the threaded rod is rotated clockwise, so that the connecting rod is installed in the threaded hole, and is fixed on the connecting block, and further the use by a user can be facilitated.

2. According to the utility model, through the limiting device and the mounting structure, the device can be conveniently dismounted, when the device is required to be dismounted, the threaded rod is firstly rotated anticlockwise, so that the threaded rod can be taken out from the threaded hole, then the limiting block in the clamping groove is taken out, and the supporting arm is pushed outwards, at the moment, the supporting arm can be taken out from the mounting groove by rotating to the outer side of the mounting groove through the stretching of the reset spring due to the fact that the limiting block is lost by the limiting block, and at the moment, the taken-down supporting arm, the connecting rod and the limiting block can be stored, so that the next use is convenient.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of a limiting device according to the present utility model;

FIG. 3 is a schematic diagram of the connection of the connecting block and the connecting rod according to the present utility model;

the reference numerals in the figures illustrate: 1. a support arm; 2. a limiting device; 201. a return spring; 202. a clamping groove; 203. a limiting block; 204. a stop block; 3. ball head; 4. a connecting rod; 5. a connecting block; 501. a threaded rod; 502. a threaded hole; 6. a mounting block; 7. a fixing plate; 8. a connecting arm; 9. a mounting groove; 10. a mounting hole; 11. and a fixed block.

Detailed Description

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", 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 apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-3, the present utility model provides a technical solution:

the utility model provides a but quick assembly disassembly's trailer arm, includes two fixed plates 7, two fixed plates 7 are parallel state, mounting hole 10 has all been seted up to two fixed plate 7 upper end surfaces, two equal fixedly connected with fixed block 11 of fixed plate 7 lower extreme, two fixedly connected with linking arm 8 between the fixed block 11, the position fixed mounting that linking arm 8 front end is close to the centre has installation piece 6, installation piece 6 is the concave form, installation groove 9 has been seted up to installation piece 6 inside, the inside movable mounting of installation groove 9 has support arm 1, the position that the installation groove 9 is inside to be close to the edge is provided with stop device 2, the position fixedly connected with connecting block 5 before the support arm 1 lower extreme, position threaded connection before the connecting block 5 upper end has connecting rod 4, be provided with mounting structure between connecting rod 4 and the connecting block 5, the bulb 3 is installed in the rotation of connecting rod 4 upper end.

Further, the limiting device 2 comprises a clamping groove 202 and a stop block 204, the clamping groove 202 and the stop block 204 are arranged at the position, close to the left, of the inside of the mounting groove 9, the stop block 204 is located on the right side of the mounting groove 9, a limiting block 203 is movably mounted in the clamping groove 202, a reset spring 201 is fixedly connected between the stop block 204 and the mounting groove 9, the stop block 204 can prevent the support arm 1 from falling from the mounting groove 9, and the limiting block 203 can limit the stop block 204, so that the stop block 204 is prevented from rotating.

Further, mounting structure includes threaded rod 501 and screw hole 502, and threaded rod 501 fixed connection is in the lower extreme of connecting rod 4, and threaded rod 501 is used for installing connecting rod 4 on connecting block 5, and screw hole 502 is seted up on the surface of connecting block 5, and threaded rod 501 installs the inside at screw hole 502, and connecting rod 4 passes through mounting structure to be fixed on connecting block 5.

Further, the number of the mounting holes 10 on each fixing plate 7 is a plurality, the fixing plates 7 are used for mounting the device on the chassis of the automobile, and the mounting holes 10 are used for mounting fixing screws on the chassis of the automobile.

Further, the support arm 1 has an L-shape. The L-shaped supporting arm 1 extends outwards to be more convenient for connecting a trailer rope.

Further, the stopper 204 can only rotate counterclockwise, and the maximum angle of rotation is ninety degrees, and when the limit of the limiting block 203 is not available, the stopper 204 can rotate clockwise, so that the support arm 1 can be conveniently taken out of the mounting groove 9.

Further, the pivoted angle of bulb 3 is three hundred sixty degrees, and the rotation of bulb 3 can be according to the position of different road conditions adjustment trailer rope to can prevent that the trailer rope from dropping from connecting rod 4.

The working principle of the utility model is as follows:

the connecting arm 8 of the device is normally arranged on the chassis of an automobile through the fixing block 11, when the device is required to be used for carrying out the trailer, the supporting arm 1 is clamped at the edge of the mounting groove 9 in the mounting block 6, then the supporting arm 1 is pushed inwards, at the moment, the stop block 204 can rotate anticlockwise through the compression of the return spring 201, thus the supporting arm 1 can be arranged in the mounting groove 9, after the supporting arm 1 is arranged, the return spring 201 can return, thus the stop block 204 can be rotated clockwise to the original position, at the moment, the limiting block 203 is arranged in the clamping groove 202, thereby the stop block 204 can be prevented from rotating excessively, the supporting arm 1 can be prevented from falling from the mounting groove 9, then the threaded rod 501 is arranged in the threaded hole 502 through the mutual matching of the threaded rod 501 and the threaded hole 502 in a clockwise direction, so as to can fix connecting rod 4 on connecting block 5, then with the trailer rope cover on connecting rod 4, just can carry out the trailer, at the trailer in-process, the rotation of bulb 3, can be according to the position of different road conditions adjustment trailer rope, thereby can prevent that the trailer rope from dropping from connecting rod 4, when the device is dismantled to needs, anticlockwise rotation threaded rod 501 earlier, thereby can take out threaded rod 501 from screw hole 502 inside, then take out the stopper 203 of draw-in groove 202 inside, promote support arm 1 outwards again, at this moment, because stopper 204 loses the spacing of stopper 203, just can rotate to the outside of mounting groove 9 through reset spring 201's stretching, thereby can take out support arm 1 from mounting groove 9, at this moment can preserve support arm 1 that takes off, connecting rod 4 and stopper 203, the convenience of next time uses.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. But quick assembly disassembly's trailer arm, including two fixed plates (7), its characterized in that: the utility model discloses a ball joint fixing device, including two fixed plates (7), connecting rod (4) and connecting block (5), two fixed plates (7) are parallel state, mounting hole (10) have all been seted up on two fixed plates (7) upper end surfaces, equal fixedly connected with fixed block (11) of two fixed plates (7) lower extreme, two fixedly connected with linking arm (8) between fixed block (11), the position fixed mounting that linking arm (8) front end is close to the centre has installation piece (6), installation piece (6) are the concave form, installation groove (9) have been seted up to installation piece (6) inside, installation groove (9) inside movable mounting has support arm (1), the position that the inside edge that is close to of installation groove (9) is provided with stop device (2), position fixedly connected with connecting block (5) before the lower extreme of support arm (1), position screw thread connection has connecting rod (4) before the connecting rod (4), be provided with mounting structure between connecting rod (4) and connecting block (5), install ball joint (3) upper end rotation.

2. A quick detachable trailer arm as claimed in claim 1, wherein: stop device (2) are including draw-in groove (202) and dog (204), draw-in groove (202) and dog (204) all set up in the inside of mounting groove (9) and are close to left position, dog (204) are located the right side of mounting groove (9), draw-in groove (202) inside movable mounting has stopper (203), fixedly connected with reset spring (201) between dog (204) and mounting groove (9).

3. A quick detachable trailer arm as claimed in claim 1, wherein: the mounting structure comprises a threaded rod (501) and a threaded hole (502), wherein the threaded rod (501) is fixedly connected to the lower end of the connecting rod (4), the threaded hole (502) is formed in the surface of the connecting block (5), the threaded rod (501) is mounted in the threaded hole (502), and the connecting rod (4) is fixed to the connecting block (5) through the mounting structure.

4. A quick detachable trailer arm as claimed in claim 1, wherein: the number of the mounting holes (10) on each fixing plate (7) is a plurality of.

5. A quick detachable trailer arm as claimed in claim 2, wherein: the shape of the supporting arm (1) is L-shaped.

6. A quick detachable trailer arm as claimed in claim 2, wherein: the stop (204) can only rotate anticlockwise, and the maximum angle of rotation is ninety degrees.

7. A quick detachable trailer arm as claimed in claim 1, wherein: the rotating angle of the ball head (3) is three hundred sixty degrees.