CN219564679U

CN219564679U - Novel trailer coupler

Info

Publication number: CN219564679U
Application number: CN202320743766.3U
Authority: CN
Inventors: 丁刚
Original assignee: Qingdao Donglu Technology Co ltd
Current assignee: Qingdao Donglu Technology Co ltd
Priority date: 2023-04-07
Filing date: 2023-04-07
Publication date: 2023-08-22
Anticipated expiration: 2033-04-07

Abstract

The utility model discloses a novel trailer coupler, which comprises a main body, wherein a connecting cavity is arranged at the top end of the main body, a chute is arranged in the main body, a clamping block is moved in the chute, a mounting block is arranged at the top of the main body, a handle is connected to the mounting block through first shaft rotation, a tongue piece is arranged on the handle, a connecting rod is connected to the tongue piece through second shaft rotation, one end of the connecting rod, which is far away from the tongue piece, is connected with the clamping block through pillow block rotation, and the connecting rod which is connected with the tongue piece in a rotating way drives the clamping block to slide in the chute through rotating the handle.

Description

Novel trailer coupler

Technical Field

The utility model relates to the technical field of couplers, in particular to a novel trailer coupler.

Background

At present, the space of the household vehicle such as travel or moving of people cannot meet the requirements, so that the household vehicle is connected with an additional carriage, the loading space of the household vehicle is conveniently increased, wherein a trailer coupler is needed to be connected with the household vehicle, and the household vehicle is connected with a spherical connecting piece on the additional carriage through the trailer coupler;

the existing trailer coupler is generally simple in structure, is only suitable for being connected with a spherical connecting piece of a fixed model, and is low in application range;

to this end, we have devised a new type of trailer coupler.

Disclosure of Invention

The utility model aims to solve the problems that in the prior art, a trailer coupler is simple in structure and only suitable for being connected with a spherical connecting piece of a fixed model and is low in application range.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a novel trailer coupler, includes the main part, the main part top is equipped with the connecting chamber, the inside spout that is equipped with of main part, it has the fixture block to remove in the spout, the main part top is equipped with the installation piece, it is connected with the handle to rotate through first axle on the installation piece, be equipped with the tongue piece on the handle, the tongue piece is connected with the connecting rod through the second axle rotation, the one end that the tongue piece was kept away from to the connecting rod is connected through the pillow block rotation with the fixture block.

Preferably, the upper part of the connecting cavity is hemispherical, the lower part of the connecting cavity is cylindrical, an arc-shaped groove is formed in the side wall of the connecting cavity, and the clamping block passes through the arc-shaped groove to enter and exit the connecting cavity.

Preferably, a pair of limiting blocks are arranged on two sides of the connecting rod.

Preferably, a spring is arranged on the outer side of the connecting rod, one end of the spring is fixedly connected with the clamping block, and the other end of the spring is fixedly connected with the limiting block.

Preferably, the mounting block is provided with a pin hole, a safety pin is inserted in the pin hole, and the safety pin is located above the pair of limiting blocks.

Preferably, the main body is provided with a plurality of mounting holes for connecting with the household vehicle connecting piece.

Preferably, the tongue bottom is arranged in an arc shape.

The beneficial effects of the utility model are as follows:

according to the utility model, the handle is rotated to drive the tongue piece to rotate, so that the connecting rod rotationally connected with the tongue piece drives the clamping block to slide in the chute, the space of the connecting cavity is adjusted by the clamping block, the trailer coupler is convenient to connect with spherical connecting pieces of different types, the application range is wide, and the operation is simple and convenient.

According to the utility model, the safety pin is inserted on the mounting block, and the connecting rod is limited and clamped through the safety pin, so that the trailer coupler is prevented from loosening when being connected with the spherical connecting piece on the additional carriage.

Drawings

FIG. 1 is a schematic diagram of a novel trailer coupler according to the present utility model;

FIG. 2 is a front view of a novel trailer coupler in accordance with the present utility model;

FIG. 3 is a side view of a novel trailer coupler according to the present utility model;

fig. 4 is a cross-sectional view of a novel trailer coupler in accordance with the present utility model.

In the figure: 1. a main body; 2. a connecting cavity; 3. a chute; 4. a clamping block; 5. a mounting block; 6. a handle; 7. a tongue piece; 8. a connecting rod; 9. a spring; 10. a pillow block; 11. a safety pin; 12. a mounting hole; 13. and a limiting block.

Description of the embodiments

Referring to fig. 1-4, a novel trailer coupler, including main part 1, main part 1 top is equipped with connecting chamber 2, the inside spout 3 that is equipped with of main part 1, the interior removal of spout 3 has fixture block 4, the main part 1 top is equipped with installation piece 5, be connected with handle 6 through first axle rotation on the installation piece 5, be equipped with tongue piece 7 on the handle 6, tongue piece 7 is connected with connecting rod 8 through the second axle rotation, tongue piece 7 is kept away from to connecting rod 8 one end and fixture block 4 is rotated through pillow block 10, the effect of setting is for through rotating handle 6 and then drive tongue piece 7 rotation, make the connecting rod 8 that rotates with tongue piece 7 to be connected drive fixture block 4 and slide in spout 3, realize the regulation of fixture block 4 to the space of connecting chamber 2, the trailer coupler of being convenient for is connected with the ball-type connecting piece of different models, application scope is wide, easy operation is convenient.

Referring to fig. 1 and 4, the upper part of the connecting cavity 2 is hemispherical, the lower part of the connecting cavity 2 is cylindrical, the side wall of the connecting cavity 2 is provided with an arc groove, the clamping block 4 passes through the arc groove to enter and exit the connecting cavity 2, the effect of the arrangement is that the clamping block 4 clamps the spherical connecting piece on the extra carriage through the connecting cavity 2, the spherical connecting piece on the extra carriage is prevented from being separated from the spherical connecting piece on the extra carriage, the space of the connecting cavity 2 is adjusted by the clamping block 4, and the trailer coupler is convenient to connect with the spherical connecting pieces of different models.

Referring to fig. 4, a pair of stoppers 13 are provided on both sides of the connection rod 8, and thus the movement of the connection rod 8 is restricted by the pair of stoppers 13, so that the connection rod 8 is limited, and the movement amplitude of the connection rod 8 is prevented from being excessively large.

Referring to fig. 3 and 4, the outside of the connecting rod 8 is provided with a spring 9, one end of the spring 9 is fixedly connected with the clamping block 4, and the other end of the spring 9 is fixedly connected with the limiting block 13, so that the effect of the arrangement is that the restoring effect is conveniently achieved in the process of poking the handle 6, and the handle 6 is prevented from being touched by a customer mistakenly during use.

Referring to fig. 1 and 4, a pin hole is formed in the mounting block 5, a safety pin 11 is inserted in the pin hole, the safety pin 11 is located above the pair of limiting blocks 13, and the effect of the arrangement is that the safety pin 11 is arranged in the main body 1, the connecting rod 8 is limited and clamped through the safety pin 11, so that the trailer coupler is prevented from loosening when being connected with a spherical connecting piece on an additional carriage, and the carriage is prevented from being damaged.

Referring to fig. 1 and 2, the body 1 is provided with a plurality of mounting holes 12, which are provided for the convenience of connection with the connection member of the home car.

Referring to fig. 4, the bottom of the tongue 7 is arranged in an arc shape, and the effect of this arrangement is to facilitate the rotation of the tongue 7 when a customer pulls.

The working principle of the utility model is as follows:

firstly, the device is installed with the connecting piece of domestic car through mounting hole 12, be connected the ball-type connecting piece on connecting chamber 2 and the extra carriage, through rotating handle 6 and then drive tongue piece 7 rotation, make the connecting rod 8 that rotates with tongue piece 7 and be connected drive fixture block 4 and slide in spout 3, realize the regulation of fixture block 4 to the space of connecting chamber 2, the trailer coupler of being convenient for is connected with the ball-type connecting piece of different models, application scope is wide, easy operation is convenient, and through being equipped with the shear pin 11 in main part 1, carry out spacing card through the shear pin 11 to connecting rod 8 and establish, take place not hard up when preventing that the trailer coupler from being connected with the ball-type connecting piece on the extra carriage, avoid the carriage to leave the domestic car, receive the damage.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a novel trailer coupler, includes main part (1), its characterized in that, main part (1) top is equipped with connecting chamber (2), inside spout (3) that are equipped with of main part (1), it has fixture block (4) to remove in spout (3), main part (1) top is equipped with installation piece (5), be connected with handgrip (6) through first axle rotation on installation piece (5), be equipped with tongue piece (7) on handgrip (6), tongue piece (7) are connected with connecting rod (8) through the second axle rotation, the one end that tongue piece (7) were kept away from to connecting rod (8) is connected through pillow block (10) rotation with fixture block (4).

2. The novel trailer coupler according to claim 1, wherein the upper part of the connecting cavity (2) is hemispherical, the lower part of the connecting cavity (2) is cylindrical, an arc-shaped groove is formed in the side wall of the connecting cavity (2), and the clamping block (4) passes through the arc-shaped groove to enter and exit the connecting cavity (2).

3. A novel trailer coupler according to claim 1, wherein a pair of limiting blocks (13) are provided on both sides of the connecting rod (8).

4. A novel trailer coupler according to claim 3, characterized in that a spring (9) is arranged on the outer side of the connecting rod (8), one end of the spring (9) is fixedly connected with the clamping block (4), and the other end of the spring is fixedly connected with the limiting block (13).

5. The novel trailer coupler according to claim 4, wherein the mounting block (5) is provided with a pin hole, a safety pin (11) is inserted into the pin hole, and the safety pin (11) is located above the pair of limiting blocks (13).

6. A novel trailer coupler according to claim 1, characterized in that the body (1) is provided with a plurality of mounting holes (12) for connection with a household vehicle connection.

7. A new trailer coupling according to claim 1, characterized in that the tongue (7) bottom is arranged in an arc shape.