CN216331976U

CN216331976U - Double-shaft trailer power-assisting device

Info

Publication number: CN216331976U
Application number: CN202122770878.1U
Authority: CN
Inventors: 项建芳
Original assignee: Hangzhou Longyu Hardware Machinery Co ltd
Current assignee: Hangzhou Longyu Hardware Machinery Co ltd
Priority date: 2021-11-12
Filing date: 2021-11-12
Publication date: 2022-04-19
Anticipated expiration: 2031-11-12

Abstract

The application discloses a double-shaft trailer power assisting device, which comprises a box body, wherein a worm is rotatably arranged in the box body, a driving assembly for driving the worm to rotate is arranged on the outer side of the box body, and a bidirectional limiting structure is arranged at one end, far away from the driving assembly, of the worm; the dwang is installed in the rotation of box body lateral wall, the inner of dwang stretches into inside the box body, and install with worm meshing's worm wheel, dwang outer end demountable installation has the thrust roller. Has the advantages that: can avoid producing the condition of overturning to the direction of rotation restriction of worm through two-way limited structure, and can assist the dwang through worm and worm wheel and rotate, make the thrust roller can steadily promote the wheel and rotate.

Description

Double-shaft trailer power-assisting device

Technical Field

The present application relates to power aids, and more particularly, to a dual-axle trailer power aid.

Background

The pull type motor home is different from the self-propelled motor home, has no power, and sometimes needs manpower to move and is very inconvenient when the motor home is moved in a short distance and enters and exits a garage. Therefore, when the caravan needs to adjust the direction and position in a short distance, the adjustment is mainly realized by the shifter.

The existing shifter is lack of a direction limiting mechanism inside, and in the moving process of the caravan, because the roller has a tendency of deformation when being stressed greatly, the roller is easy to reverse,

SUMMERY OF THE UTILITY MODEL

The application has the advantages that the double-shaft trailer power assisting device is provided, and compared with the prior art, the double-shaft trailer power assisting device has the following beneficial effects:

can avoid producing the condition of overturning to the direction of rotation restriction of worm through two-way limited structure, and can assist the dwang through worm and worm wheel and rotate, make the thrust roller can steadily promote the wheel and rotate.

Other advantages and features of the present application will become apparent from the following description and may be realized by means of the instrumentalities and combinations particularly pointed out in the appended claims.

To achieve at least one of the above advantages, the present application provides an object of the present invention to provide a two-axle trailer power assist device to solve the above problems, and a preferred embodiment of the various embodiments of the present invention is described in detail below.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a double-shaft trailer power assisting device which comprises a box body, wherein a worm is rotatably arranged in the box body, a driving assembly for driving the worm to rotate is arranged on the outer side of the box body, and a bidirectional limiting structure is arranged at one end, far away from the driving assembly, of the worm;

the dwang is installed in the rotation of box body lateral wall, the inner of dwang stretches into inside the box body, and install with worm meshing's worm wheel, dwang outer end demountable installation has the thrust roller.

Adopt above-mentioned biax trailer power-assist ware, when the operative installations, through drive assembly can drive the worm is rotatory, through two-way limited structure can be right the direction of rotation of worm carries on spacingly, through the worm drives the worm wheel is rotatory, utilizes the worm wheel drives the dwang rotates, thereby passes through the dwang makes the thrust roller rotates, utilizes the thrust roller can steadily promote the rotation of wheel, and auxiliary vehicle advances and removes.

As a further optimized scheme, the driving assembly comprises a motor, the motor is installed on the outer side of the box body, a first gear is installed at the output end of the motor, a second gear is installed on the outer side of the worm, and the first gear is meshed with the second gear.

As a further optimized scheme, a protective cover positioned on the outer side of the motor is installed on the outer side of the box body.

As a further optimized scheme, the bidirectional limiting structure comprises two ratchet wheels, the ratchet wheels are arranged on the outer sides of the worms, the directions of the ratchet wheels are opposite, sliding rods corresponding to the ratchet wheels are arranged on the side walls of the box body in a sliding mode, iron inserts are arranged at the inner ends of the sliding rods and correspond to tooth grooves of the ratchet wheels, magnets corresponding to the iron inserts are arranged on the inner wall of the box body, thrust springs are arranged on the outer sides of the sliding rods, and the thrust springs are located between the iron inserts and the magnets.

As a further optimized scheme, the outer end of the sliding rod is provided with a stop block.

As the scheme of further optimization, the inserted block is installed in the outside of dwang, thrust roller inner wall be provided with the inserted block is pegged graft complex slot, it is right that the expansion end of dwang is installed and is used for the spacing stopper of thrust roller.

As a further optimized scheme, a limiting frame is installed on the outer side of the box body, and the movable end of the limiting frame is in running fit with the limiting block.

Further objects and advantages of the present application will become apparent from an understanding of the ensuing description and drawings.

These and other objects, features and advantages of the present application will become more fully apparent from the following detailed description, the accompanying drawings and the claims.

Drawings

The above and other objects, features and advantages of the present application will become more apparent by describing in more detail embodiments of the present application with reference to the attached drawings. The accompanying drawings are included to provide a further understanding of the embodiments of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the principles of the application. In the drawings, like reference numbers generally represent like parts or steps.

FIG. 1 illustrates a schematic internal structural view of a two-axis trailer assist according to the present invention;

FIG. 2 illustrates a top view of the thrust rollers of a dual-axis trailer assist according to the present invention;

FIG. 3 illustrates a right side view of a bi-directional restraining structure of a two-axis trailer assist according to the present invention;

in the figure:

1. a box body; 101. a protective cover; 2. a worm; 201. a worm gear; 3. a drive assembly; 301. a motor; 302. a first gear; 303. a second gear; 4. a bi-directional confinement structure; 401. a ratchet wheel; 402. a magnet; 403. a slide bar; 404. a stopper; 405. a thrust spring; 406. an iron insert; 5. rotating the rod; 501. inserting a block; 6. a thrust roller; 601. a slot; 7. a limiting block; 8. a limiting frame.

Detailed Description

Hereinafter, example embodiments according to the present application will be described in detail with reference to the accompanying drawings. It should be understood that the described embodiments are only some embodiments of the present application and not all embodiments of the present application, and that the present application is not limited by the example embodiments described herein.

It is understood that the terms "a" and "an" should be interpreted as meaning that a number of one element or element is one in one embodiment, while a number of other elements is one in another embodiment, and the terms "a" and "an" should not be interpreted as limiting the number.

In the disclosure of the present invention, the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, which are merely for convenience of description and simplicity of description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus the terms should not be construed as limiting the present invention.

The first embodiment:

as shown in fig. 1-3, the utility model provides a double-shaft trailer power assist, which comprises a box body 1, wherein a worm 2 is rotatably arranged in the box body 1, a driving assembly 3 for driving the worm 2 to rotate is arranged on the outer side of the box body 1, and a bidirectional limiting structure 4 is arranged at one end of the worm 2, which is far away from the driving assembly 3;

the dwang 5 is installed in the rotation of 1 lateral wall of box body, and inside the inner of dwang 5 stretched into box body 1, and installed with worm 2 meshed

worm wheel

201, 5 outer ends demountable installation of dwang have thrust roller 6.

The working principle of the utility model is as follows: when the device is used, the worm 2 can be driven to rotate through the driving assembly 3, the rotating direction of the worm 2 can be limited through the bidirectional limiting structure 4, the worm wheel 201 is driven to rotate through the worm 2, the worm wheel 201 is driven to rotate, the rotating rod 5 is driven to rotate through the worm wheel 201, so that the thrust roller 6 is driven to rotate through the rotating rod 5, the thrust roller 6 can be used for stably pushing wheels to rotate, and the auxiliary vehicle can advance and move.

Second embodiment: the driving assembly 3 comprises a motor 301, the motor 301 is arranged on the outer side of the box body 1, the output end of the motor 301 is provided with a first gear 302, the outer side of the worm 2 is provided with a second gear 303, and the first gear 302 is meshed with the second gear 303; the first gear 302 can be driven to rotate by the motor 301, the second gear 303 can be driven to rotate by the first gear 302, and the worm 2 is driven to rotate by the second gear 303.

The third embodiment: the bidirectional limiting structure 4 comprises two ratchet wheels 401, the ratchet wheels 401 are arranged on the outer side of the worm 2, the directions of the two ratchet wheels 401 are opposite, a sliding rod 403 corresponding to the ratchet wheels 401 is arranged on the side wall of the box body 1 in a sliding mode, an iron insert 406 is arranged at the inner end of the sliding rod 403, the iron insert 406 corresponds to the tooth socket of the ratchet wheels 401, a magnet 402 corresponding to the iron insert 406 is arranged on the inner wall of the box body 1, a thrust spring 405 is arranged on the outer side of the sliding rod 403, and the thrust spring 405 is located between the iron insert 406 and the magnet 402; by the elasticity of the thrust spring 405, the iron plug 406 can be pushed by the thrust spring 405, the movable end of the iron plug 406 is inserted into the tooth groove of the ratchet 401 to limit the rotation direction of the ratchet 401, and the magnet 402 corresponding to the other ratchet 401 is energized to make the iron plug 406 overcome the elasticity of the thrust spring 405, so that the iron plug 406 can move toward the magnet 402 to release the limitation of the other ratchet 401.

It will be appreciated by persons skilled in the art that the embodiments of the utility model described above and shown in the drawings are given by way of example only and are not limiting of the utility model. The objects of the utility model have been fully and effectively accomplished. The functional and structural principles of the present invention have been shown and described in the examples, and any variations or modifications of the embodiments of the present invention may be made without departing from the principles.

Claims

1. A double-shaft trailer power-assist device is characterized in that: the worm limiting device comprises a box body (1), wherein a worm (2) is rotatably arranged in the box body (1), a driving assembly (3) for driving the worm (2) to rotate is arranged on the outer side of the box body (1), and a bidirectional limiting structure (4) is arranged at one end, far away from the driving assembly (3), of the worm (2);

box body (1) lateral wall rotates and installs dwang (5), the inner of dwang (5) stretches into inside box body (1), and install with worm (2) meshed worm wheel (201), dwang (5) outer end demountable installation has thrust roller (6).

2. The dual-axle trailer assist according to claim 1, wherein: drive assembly (3) include motor (301), install motor (301) the outside of box body (1), first gear (302) are installed to the output of motor (301), second gear (303) are installed in the outside of worm (2), first gear (302) with second gear (303) meshing.

3. A dual-axle trailer assist according to claim 2, wherein: the protection cover (101) positioned on the outer side of the motor (301) is installed on the outer side of the box body (1).

4. The dual-axle trailer assist according to claim 1, wherein: the bidirectional limiting structure (4) comprises two ratchet wheels (401), the ratchet wheels (401) are installed on the outer side of the worm (2), the two ratchet wheels (401) are opposite in direction, a sliding rod (403) corresponding to the ratchet wheels (401) is installed on the side wall of the box body (1) in a sliding mode, an iron insert (406) is installed at the inner end of the sliding rod (403), the iron insert (406) corresponds to the tooth grooves of the ratchet wheels (401), a magnet (402) corresponding to the iron insert (406) is installed on the inner wall of the box body (1), a thrust spring (405) is installed on the outer side of the sliding rod (403), and the thrust spring (405) is located between the iron insert (406) and the magnet (402).

5. The dual-axle trailer assist gear of claim 4, wherein: and a stop block (404) is arranged at the outer end of the sliding rod (403).

6. The dual-axle trailer assist according to claim 1, wherein: insert piece (501) is installed in the outside of dwang (5), thrust roller (6) inner wall be provided with insert piece (501) grafting complex slot (601), the expansion end of dwang (5) is installed and is used for right spacing stopper (7) of thrust roller (6).

7. The dual-axle trailer assist gear of claim 6, wherein: spacing (8) are installed in box body (1) outside, the expansion end of spacing (8) with stopper (7) normal running fit.