Folding trailer hook support

By designing the fixing seat, rotating rod and bolt structure of the foldable trailer hook bracket, combined with the positioning mechanism of the limit block and elastic rod, the problem of time-consuming installation and disassembly of the trailer hook bracket in the existing technology is solved, and rapid folding and stable connection are achieved.

CN223443231UActive Publication Date: 2025-10-17南通卓岳金属制品有限公司
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202422901787.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-27
Publication Date
2025-10-17
Estimated Expiration
2034-11-27

AI Technical Summary

Technical Problem

The existing foldable trailer hook bracket takes a long time to install and remove, which affects the convenience of use.

Method used

A foldable trailer hook bracket is designed. The combined structure of a fixed seat, a rotating rod and a bolt realizes the parallel adjustment of the buffer coupler and the towing frame. Combined with the positioning mechanism of the limit block and the elastic rod, the folding process is simplified and the bolts are prevented from loosening.

Benefits of technology

The folding time is shortened, the convenience of use is improved, the disassembly and assembly steps of the trailer hook bracket are avoided, and the safety and stability are ensured.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223443231U_ABST
    Figure CN223443231U_ABST
Patent Text Reader

Abstract

The utility model discloses a folding type tow hook support, which belongs to the technical field of tow hook supports and comprises a mounting beam, a traction frame is arranged at the rear end of the mounting beam, a buffer coupler and a folding mechanism are arranged at the front end of the traction frame, and the folding mechanism comprises a rotating rod fixedly connected to the front end of the traction frame. The surface of the rotating rod is rotationally connected to the inner wall of the mounting beam, the rear end of the buffer car coupler is fixedly connected with a fixing seat, and the lower end of the surface of the traction frame is hinged to the inner wall of the fixing seat; by means of the fixing seat, the rotating rod and the bolt, the positions of the buffer coupler and the traction frame are adjusted, the adjusted buffer coupler, the adjusted traction frame and the installation beam are in a parallel state, and compared with an existing trailer hook support which needs to be disassembled, stored and then folded, the trailer hook support is more convenient to use. By means of the mode, the folding time is shortened, assembly of the tow hook support is avoided in the using process, and the using convenience of the tow hook support is guaranteed.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to trailer hook support technical field, concretely relates to a folding trailer hook support. BACKGROUND

[0002] The trailer hook support can tow other equipment or vehicles by fixing the trailer hook at the mounting beam part of the tail or head of the vehicle. The trailer hook support not only requires sufficient strength and rigidity to ensure safety during towing, but also requires convenient installation and easy disassembly.

[0003] According to the search, the Chinese patent "a folding anti-scratching flexible car trailer hook" (authorization announcement number "CN219236691U") separates the traction ring from the nut connection end by unscrewing it, and puts it back on the trailer hook clamping frame, then unscrews the bolt, lifts the traction lower frame along the hinge direction and hangs it on the traction lower frame hook, to ensure that the entire trailer hook device has a certain height from the ground when reversing, preventing collision with obstacles when reversing.

[0004] In the above application, the traction ring is unscrewed and stored, and then the fixation of the traction lower frame is released and folded for storage, which increases the installation or disassembly time of the trailer hook during use or folding.

[0005] Therefore, the utility model designs a folding trailer hook support to solve the above problems. UTILITY MODEL CONTENTS

[0006] In view of the above shortcomings of the prior art, the utility model provides a folding trailer hook support.

[0007] To achieve the above purpose, the utility model realizes the following technical scheme:

[0008] A folding trailer hook support, comprising a mounting beam, a traction frame is arranged at the rear end of the mounting beam, a buffer trailer hook is arranged at the front end of the traction frame, a folding mechanism, the folding mechanism comprises a rotating rod fixedly connected to the front end of the traction frame, the surface of the rotating rod is rotationally connected to the inner wall of the mounting beam, the rear end of the buffer trailer hook is fixedly connected with a fixed seat, the surface of the lower end of the traction frame is hingedly connected to the inner wall of the fixed seat, the inner wall of the fixed seat is fixedly connected with a positioning block on one side and the surface of the rotating rod, the inner wall of the positioning block is threadedly connected with a bolt, the surface of one of the bolts is threadedly connected to the inner wall of the mounting beam, and the surface of the other bolt is threadedly connected to the lower end of the inner wall of the traction frame.

[0009] Further, the surface of the bolt is provided with a limiting block, the surface of the limiting block is slidably connected to the inner wall of the positioning block, the inner wall of the positioning block is slidably connected with a positioning rod, the surface of the positioning rod is clamped to the inner wall of the limiting block, the inner wall of the positioning block is fixedly connected with two elastic rods, and the surface of the elastic rod is clamped to the surface of the positioning rod.

[0010] Further, the surface of the traction frame lower end and the surface of the rotating rod are fixedly connected with a connecting block.

[0011] Further, one side of the fixing seat and the front end of the mounting beam are fixedly connected with two mounting blocks.

[0012] Further, the surface of the bolt is provided with a circular groove, and the surface of the limiting block is slidably connected to the inner wall of the circular groove.

[0013] Further, one end of the elastic rod is bent into an arc shape.

[0014] Further, one end of the limiting block is fixedly connected with a circular block, the surface of one of the circular blocks is slidably connected to the inner wall lower end of the traction frame, and the surface of the other circular block is slidably connected to the inner wall of the mounting beam.

[0015] Further, the surface of the positioning rod is fixedly connected with a sliding disc, and the surface of the sliding disc is slidably connected to the inner wall of the positioning block. Beneficial effects

[0016] 1. The fixing seat, the rotating rod and the bolt are used to adjust the position of the buffer car hook and the traction frame, so that the adjusted buffer car hook and traction frame are parallel to the mounting beam, compared with the existing trailer hook support which needs to be disassembled, stored and then folded, the folding time is shortened, and the assembly of the trailer hook support is avoided during use, and the convenience of using the trailer hook support is ensured.

[0017] 2. The limiting block is used to limit the moving distance of the bolt, so that the bolt does not come off the positioning block during movement, the positioning rod and the elastic rod are used to position the bolt, and the loosening of the bolt during use is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can obtain other drawings according to these drawings without creating any creative labor.

[0019] Figure 1A kind of stereogram of main body structure in folding trailer hook support of the utility model;

[0020] Figure 2 A kind of stereogram of folding mechanism in folding trailer hook support of the utility model;

[0021] Figure 3 A kind of explosion view of buffer trailer hook and traction frame in folding trailer hook support of the utility model;

[0022] Figure 4 For Figure 3 The enlarged view of A in middle;

[0023] Figure 5 For Figure 4 The enlarged view of B in middle.

[0024] The reference numeral in figure represents respectively:

[0025] 1, mounting beam;2, traction frame;3, buffer trailer hook;4, folding mechanism;41, rotating rod;42, fixed seat;43, positioning block;44, round groove;45, limiting block;46, positioning rod;47, elastic rod;48, connecting block;49, mounting block;410, sliding disc;411, bolt;412, round block. DETAILED DESCRIPTION

[0026] To make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0027] The utility model will be further described below in conjunction with embodiments.

[0028] In some embodiments, referring to the drawings attached Figures 1-5 A kind of folding trailer hook support, including mounting beam 1, the rear end of mounting beam 1 is equipped with traction frame 2, the front end of traction frame 2 is equipped with buffer trailer hook 3, folding mechanism 4, folding mechanism 4 includes rotating rod 41 fixedly connected to the front end of traction frame 2, the surface of rotating rod 41 is rotationally connected to the inner wall of mounting beam 1, the rear end of buffer trailer hook 3 is fixedly connected with fixed seat 42, the surface lower end of traction frame 2 is hinged to the inner wall of fixed seat 42, the surface of one side of fixed seat 42 and rotating rod 41 is fixedly connected with positioning block 43, the inner wall of positioning block 43 is threadedly connected with bolt 411, the surface of one of bolt 411 is threadedly connected to the inner wall of mounting beam 1, the surface of another bolt 411 is threadedly connected to the inner wall lower end of traction frame 2.

[0029] The buffer trailer hook 3 comprises a trailer hook and a hydraulic buffer damper, and the mounting beam 1 is installed at a corresponding position on the automobile frame.

[0030] In the embodiment of the utility model, when the trailer hook support needs to be folded, the bolt 411 at the fixed seat 42 is rotated to move in the rotation of the positioning block 43 at the fixed seat 42, so that the bolt 411 is separated from the lower end of the inner wall of the traction frame 2, thereby releasing the locking of the buffer trailer hook 3, pushing the buffer trailer hook 3 to overturn 90 degrees, the overturned buffer trailer hook 3 and the traction frame 2 are in the same vertical state, the bolt 411 at the rotating rod 41 is rotated to move in the rotation of the positioning block 43 at the rotating rod 41, so that the bolt 411 is separated from the inside of the mounting beam 1, the positioning block 43 on the rotating rod 41 is pushed, so that the rotating rod 41, the buffer trailer hook 3 and the traction frame 2 overturn 90 degrees, the overturned buffer trailer hook 3, the traction frame 2 and the mounting beam 1 are in a parallel state, at this time, the bolt 411 on the rotating rod 41 is rotated to move in the rotation of the positioning block 43 at the rotating rod 41 and is screwed to a corresponding position on the mounting beam 1.

[0031] In the embodiment of the utility model, through the rotation of the bolt 411 on the fixed seat 42 and the rotation of the bolt 411 on the rotating rod 41, the locking of the fixed seat 42 on the traction frame 2 and the locking of the traction frame 2 on the mounting beam 1 are released, so that the angle position of the buffer trailer hook 3 and the traction frame 2 is adjusted, the folding time of the trailer hook support is shortened, the trailer hook support is avoided to be disassembled and stored and then folded, and the loss of the buffer trailer hook 3 is avoided.

[0032] In some embodiments, as shown in Figures 1-5 As a preferred embodiment of the utility model, the surface of the bolt 411 is provided with a limiting block 45, the surface of the limiting block 45 is slidingly connected to the inner wall of the positioning block 43, the inner wall of the positioning block 43 is slidingly connected with a positioning rod 46, the surface of the positioning rod 46 is clamped to the inner wall of the limiting block 45, the inner wall of the positioning block 43 is fixedly connected with two elastic rods 47, the surface of the elastic rod 47 is clamped to the surface of the positioning rod 46, the surface of the bolt 411 is provided with a circular groove 44, the surface of the limiting block 45 is slidingly connected to the inner wall of the circular groove 44, one end of the elastic rod 47 is bent into an arc shape, one end of the limiting block 45 is fixedly connected with a circular block 412, the surface of one of the circular blocks 412 is slidingly connected to the lower end of the inner wall of the traction frame 2, the surface of the other circular block 412 is slidingly connected to the inner wall of the mounting beam 1, the surface of the positioning rod 46 is fixedly connected with a sliding disc 410, and the surface of the sliding disc 410 is slidingly connected to the inner wall of the positioning block 43. The elastic rod 47 is a natural rubber component.

[0033] In the embodiment of the utility model, because the limiting block 45 is sliding in the round groove 44, the bolt 411 rotates and moves to drive the limiting block 45 to move in the positioning block 43, one of the round blocks 412 slides into the inner wall lower end of the traction frame 2, and the other round block 412 slides into the inner wall of the mounting beam 1, the bolt 411 drives the limiting block 45 to move to the appropriate position, pushes the positioning rod 46 to move down, makes the positioning rod 46 to move down and be clamped in the limiting block 45, makes the elastic rod 47 to be deformed and be clamped in the positioning rod 46, and further increases the resistance of the positioning rod 46 movement, makes the positioning rod 46 to be stably clamped in the limiting block 45, and locks the movement range of the bolt 411.

[0034] In the embodiment of the utility model, the limiting block 45 limits the movement range of the bolt 411 in the positioning block 43, avoids that the bolt 411 is separated from the positioning block 43, the round block 412 limits the movement range of the limiting block 45, avoids that the limiting block 45 is separated from the positioning block 43 in movement, and the sliding disc 410 limits the upward movement range of the positioning rod 46, avoids that the positioning rod 46 is separated from the positioning block 43 in upward movement.

[0035] In some embodiments, as shown in Figures 1-5 As a preferred embodiment of the utility model, the lower end of the surface of the traction frame 2 and the surface of the rotating rod 41 are fixedly connected with the connecting block 48, and one side of the fixed seat 42 and the front end of the mounting beam 1 are fixedly connected with two mounting blocks 49.

[0036] In the embodiment of the utility model, the fixed seat 42 is turned over at the lower end of the surface of the traction frame 2 to drive the two mounting blocks 49 to move in a ring shape, when one of the mounting blocks 49 contacts the side surface of the connecting block 48 on the traction frame 2, the fixed seat 42 is stopped from turning over, the connecting block 48 moves in a ring shape under the driving of the rotating rod 41, and when the side surface of the connecting block 48 moving in a ring shape contacts the side surface of one of the mounting blocks 49 on the mounting beam 1, the rotating rod 41 is stopped from rotating.

[0037] In the embodiment of the utility model, the connecting block 48 and the mounting block 49 limit the rotation angle of the fixed seat 42 and the rotating rod 41, avoiding the excessive turning over of the buffer coupler 3 and the traction frame 2.

[0038] It should be noted that the mounting beam 1, the traction frame 2, the coupler, the hydraulic buffer damper, the bolt 411 and the like in the above description are all relatively mature devices in the prior art, and the specific model can be selected according to actual needs, and the specific power supply mode is selected as the case requires, which will not be repeated here.

[0039] The above examples are only used to illustrate the technical solutions of the present application, and are not intended to limit them; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that the technical solutions recorded in the foregoing examples can still be modified, or some technical features therein can be replaced by equivalents; and these modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A foldable trailer hook bracket, comprising a mounting beam (1), a traction frame (2) provided at the rear end of the mounting beam (1), and a buffer coupler (3) provided at the front end of the traction frame (2), characterized in that: A folding mechanism (4), the folding mechanism (4) comprising a rotating rod (41) fixedly connected to the front end of the traction frame (2), the surface of the rotating rod (41) being rotatably connected to the inner wall of the mounting beam (1), the rear end of the buffer coupler (3) being fixedly connected to a fixing seat (42), the lower end of the surface of the traction frame (2) being hinged to the inner wall of the fixing seat (42), one side of the fixing seat (42) and the surface of the rotating rod (41) being fixedly connected to a positioning block (43), the inner wall of the positioning block (43) being threadedly connected to a bolt (411), the surface of one of the bolts (411) being threadedly connected to the inner wall of the mounting beam (1), and the surface of the other bolt (411) being threadedly connected to the lower end of the inner wall of the traction frame (2).

2. The foldable trailer hook bracket according to claim 1, characterized in that: A limit block (45) is provided on the surface of the bolt (411), and the surface of the limit block (45) is slidably connected to the inner wall of the positioning block (43). The inner wall of the positioning block (43) is slidably connected to a positioning rod (46), and the surface of the positioning rod (46) is clamped to the inner wall of the limit block (45). The inner wall of the positioning block (43) is fixedly connected to two elastic rods (47), and the surface of the elastic rod (47) is clamped to the surface of the positioning rod (46).

3. The foldable trailer hook bracket according to claim 1, characterized in that: The lower end of the surface of the traction frame (2) and the surface of the rotating rod (41) are both fixedly connected with a connecting block (48).

4. The foldable trailer hook bracket according to claim 1, characterized in that: Two mounting blocks (49) are fixedly connected to one side of the fixing seat (42) and the front end of the mounting beam (1).

5. The foldable trailer hook bracket according to claim 2, characterized in that: A circular groove (44) is formed on the surface of the bolt (411), and the surface of the limiting block (45) is slidably connected to the inner wall of the circular groove (44).

6. The foldable trailer hook bracket according to claim 2, characterized in that: One end of the elastic rod (47) is bent into an arc shape.

7. The foldable trailer hook bracket according to claim 2, characterized in that: One end of the limit block (45) is fixedly connected to a round block (412), wherein the surface of one of the round blocks (412) is slidably connected to the lower end of the inner wall of the traction frame (2), and the surface of the other round block (412) is slidably connected to the inner wall of the mounting beam (1).

8. The foldable trailer hook bracket according to claim 2, characterized in that: The surface of the positioning rod (46) is fixedly connected to a sliding disk (410), and the surface of the sliding disk (410) is slidably connected to the inner wall of the positioning block (43).

Citation Information

Patent Citations

  • Folding anti-scratching flexible car towing hook

    CN219236691U