Hollow sleeve for towing hook of automobile bumper

By designing a hollow sleeve for the automobile bumper tow hook including a sleeve and a fixing disc, using a nested fixing structure of the connecting ring and the fixing disc, combined with the coordination of the card slot and the return spring, the problem of cumbersome and unstable assembly in the prior art is solved, and a more convenient and stable assembly process is achieved.

CN222859393UActive Publication Date: 2025-05-13CHANGSHU CITY LANDALAJIC STEEL PIPE ACCESSORIES
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Patent Information

Application Number
CN202421534596.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-01
Publication Date
2025-05-13
Estimated Expiration
2034-07-01

AI Technical Summary

Technical Problem

The existing automobile bumper tow hook hollow sleeves are cumbersome to assemble, which affects assembly stability.

Method used

A hollow sleeve including a sleeve and a fixing disk is designed, which is nested and fixed with a fixed block sliding on the surface of the fixing disk by the fixing groove of the outer wall of the connecting ring. Instead of the traditional electric push rod, it pushes the rotation and engagement, which increases assembly convenience, and controls the expansion and contraction through the coordination of the locking slot, locking block, return spring and connecting rod to improve assembly stability.

Benefits of technology

Improves the convenience and stability of hollow sleeve assembly, simplifies the assembly process, and reduces the assembly complexity.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an automobile bumper towing hook hollow sleeve which comprises a sleeve body and a fixing disc, a connecting sleeve is fixedly arranged at the center of the fixing disc, the connecting sleeve is connected with the sleeve body in a nested mode, a connecting ring is fixedly arranged on the end face of the sleeve body, a plurality of fixing grooves are formed in the outer wall of the connecting ring at equal intervals, and the fixing grooves are connected with the sleeve body in a sleeved mode. A plurality of fixing blocks are slidably connected to the surface of the fixing disc at equal intervals, and the multiple fixing blocks are connected with the corresponding fixing grooves in a nested mode. The sleeve and the fixing disc are nested and fixed through the fixing grooves formed in the outer wall of the connecting ring and the sliding fixing blocks on the surface of the fixing disc, a traditional mode that an electric push rod pushes, rotates and is clamped is replaced, and assembling convenience of the hollow sleeve is effectively improved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of automobile accessories and relates to a hollow sleeve of an automobile bumper towing hook. Background Art

[0002] The hollow sleeve of the car bumper tow hook is an important part of the car bumper.

[0003] After searching, according to the patent number "CN212685478U", a hollow sleeve of a car bumper tow hook is disclosed, including a sleeve shell, a limiting device is arranged at the left end of the sleeve shell, the top end of the left end and the bottom end of the left end of the sleeve shell are both fixedly connected with fixed blocks, and the two groups of fixed blocks are both fixedly connected with the first rotating shaft on the opposite sides. When it is necessary to clean the rust on the outer wall of the sleeve shell, the limiting rod is lifted by hand to rotate the limiting rod on the first rotating shaft, and then the moving handle is moved by hand, and the moving handle moves to drive the movable ring to move, and the movable ring moves on the outer wall of the sleeve shell, and the rust on the outer wall of the sleeve shell is cleaned at the same time, avoiding the staff from disassembling the hollow sleeve for cleaning, saving time, and improving the practicality of the device.

[0004] The above hollow sleeve is mainly pushed, rotated and retracted by the push rod to realize the assembly of the hollow sleeve. The assembly of the hollow sleeve using this method is cumbersome and affects the stability of the assembly of the hollow sleeve. For this reason, we designed a hollow sleeve for a car bumper tow hook to solve the above technical problems. Summary of the invention

[0005] The utility model aims to provide a hollow sleeve for a towing hook of an automobile bumper, so as to solve the problems raised in the above-mentioned background technology.

[0006] The purpose of the utility model can be achieved through the following technical solutions: a hollow sleeve of a car bumper tow hook, comprising a sleeve and a fixed plate, a connecting sleeve fixedly provided at the center of the fixed plate, the connecting sleeve and the sleeve are nested and connected, a connecting ring is fixedly provided on the end face of the sleeve, a plurality of fixing grooves are equidistantly provided on the outer wall of the connecting ring, a plurality of fixing blocks are equidistantly slidably connected to the surface of the fixed plate, and a plurality of the fixing blocks are nested and connected to the corresponding fixing grooves.

[0007] In the above-mentioned hollow sleeve of a car bumper tow hook, a plurality of T-shaped grooves are equidistantly provided on the side of the fixed plate, and a T-shaped slider is slidably connected inside the plurality of T-shaped grooves, a cross plate is fixedly installed on the front side of the T-shaped slider, and the cross plate is fixedly connected to the top end of the fixed block.

[0008] In the above-mentioned hollow sleeve of a car bumper tow hook, multiple threaded push rods are equidistantly threadedly connected to the sides of multiple fixed plates, and one end of the multiple threaded push rods extends to the inside of the T-shaped slide groove and contacts and connects with the end surface of the T-shaped slider.

[0009] In the above-mentioned hollow sleeve of a car bumper tow hook, a plurality of installation grooves are equidistantly provided on the outer wall of the connecting sleeve, a plurality of the installation grooves are nested and connected with clamping blocks inside, a plurality of the installation groove bottoms are fixedly installed with return springs, the top ends of the return springs are fixedly connected with the bottom ends of the clamping blocks, a plurality of the inner wall of the sleeve are equidistantly provided with clamping grooves, and a plurality of the clamping blocks are clamped and connected with the corresponding clamping grooves.

[0010] In the above-mentioned hollow sleeve of a car bumper tow hook, a through hole is opened at the center of the card slot, a connecting rod is inserted into the through hole, a roller is rotatably connected to the bottom of the connecting rod, and the roller is in contact with the surface of the card block.

[0011] In the above-mentioned hollow sleeve of the automobile bumper tow hook, limit blocks are fixedly installed on both sides of the connecting rod, and a pressing block is fixedly installed on the top end of the connecting rod through the through hole.

[0012] Compared with the prior art, the advantages of the hollow sleeve of the automobile bumper tow hook of the utility model are as follows: 1. The sleeve and the fixed plate are nested and fixed through the fixing groove opened on the outer wall of the connecting ring and the sliding fixing block on the surface of the fixed plate, replacing the traditional method of pushing and rotating the engagement through an electric push rod, which effectively improves the convenience of assembling the hollow sleeve.

[0013] 2. The truck on the inner wall of the hollow sleeve is engaged with the block on the outer wall of the connecting sleeve, and the expansion and contraction are controlled by the cooperation of the pressing block, the connecting rod and the return spring, thereby further improving the stability of the hollow sleeve assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The utility model is a structural schematic diagram of a hollow sleeve of a tow hook of an automobile bumper.

[0015] Figure 2 The utility model is a schematic diagram of the cross-sectional structure of a hollow sleeve of a tow hook of an automobile bumper.

[0016] Figure 3 The utility model is a hollow sleeve of a tow hook of a car bumper Figure 2 A partial enlarged view of point A in the middle.

[0017] In the figure, 1, sleeve; 2, connecting ring; 3, fixing plate; 4, cross plate; 5, pressing block; 6, T-shaped slide groove; 7, threaded push rod; 8, connecting sleeve; 9, fixing block; 10, T-shaped slider; 11, fixing groove; 12, through hole; 13, connecting rod; 14, limiting block; 15, roller; 16, slot; 17, mounting slot; 18, reset spring; 19, slot. DETAILED DESCRIPTION

[0018] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0019] like Figure 1-3 As shown, the utility model is a hollow sleeve for a car bumper tow hook, comprising a sleeve 1 and a fixed plate 3, a connecting sleeve 8 is fixedly provided at the center of the fixed plate 3, the connecting sleeve 8 is nested and connected with the sleeve 1, a connecting ring 2 is fixedly provided on the end face of the sleeve 1, a plurality of fixing grooves 11 are equidistantly provided on the outer wall of the connecting ring 2, a plurality of fixing blocks 9 are equidistantly slidably connected to the surface of the fixed plate 3, and the plurality of fixing blocks 9 are nested and connected with the corresponding fixing grooves 11.

[0020] Specifically, the sleeve 1 and the fixed disk 3 are nested and fixed through the fixing groove 11 opened on the outer wall of the connecting ring 2 and the sliding fixing block 9 on the surface of the fixed disk 3, replacing the traditional method of pushing and rotating the electric push rod to effectively improve the convenience of assembling the hollow sleeve.

[0021] like Figure 1 , Figure 2 and Figure 3 As shown, the utility model is a hollow sleeve for a tow hook of an automobile bumper, a plurality of T-shaped slide grooves 6 are equidistantly provided on the side of a fixed plate 3, a T-shaped slider 10 is slidably connected inside the plurality of T-shaped slide grooves 6, a cross plate 4 is fixedly installed on the front side of the T-shaped slider 10, and the cross plate 4 is fixedly connected to the top end of a fixed block 9.

[0022] The sides of the plurality of fixed plates 3 are equidistantly threadedly connected with a plurality of threaded push rods 7 , one end of which extends to the inside of the T-shaped slide groove 6 and contacts and connects with the end surface of the T-shaped slide block 10 .

[0023] Specifically, the threaded push rod 7 pushes the T-shaped slide block 10 to move, and the movement of the T-shaped slide block 10 drives the fixing block 9 and the fixing groove 11 to be nested and separated.

[0024] The outer wall of the connecting sleeve 8 is equidistantly provided with a plurality of mounting grooves 17, each of which is nested with a clamping block 19, and the bottom of each of the mounting grooves 17 is fixedly provided with a return spring 18, and the top of the return spring 18 is fixedly connected to the bottom of the clamping block 19. The inner wall of the sleeve 1 is equidistantly provided with a plurality of clamping grooves 16, and the plurality of clamping blocks 19 are clamped and connected with the corresponding clamping grooves 16.

[0025] A through hole 12 is formed at the center of the card slot 16 , a connecting rod 13 is inserted into the through hole 12 , a roller 15 is rotatably connected to the bottom of the connecting rod 13 , and the roller 15 is in contact with the surface of the card block 19 .

[0026] Specifically, by providing the roller 15 , the sliding friction between the connecting rod 13 and the block 19 is changed into rolling friction, and the wear between the block 19 and the inner wall of the sleeve 1 is reduced during the disassembly process.

[0027] Limiting blocks 14 are fixedly installed on both sides of the connecting rod 13 , and a pressing block 5 is fixedly installed on the top of the connecting rod 13 through the through hole 12 .

[0028] Specifically, the connecting rod 13 is pushed downward by the pressing block 5 , and the connecting rod 13 moves to squeeze the clamping block 19 and separate it from the clamping slot 16 .

[0029] Specifically, when the hollow sleeve 1 needs to be assembled, the block 19 is first pressed manually to move the block 19 into the installation groove 17, and then the connecting sleeve 8 and the sleeve 1 are completely nested, and then the sleeve 1 is manually rotated. When the slot 16 on the inner wall of the sleeve 1 is aligned with the block 19, the block 19 is fixed with the slot 16 by the extrusion force of the return spring 18;

[0030] Then manually rotate the threaded push rod 7 on the outer wall of the fixed plate 3, push the T-shaped slider 10 to move through the threaded push rod 7, and drive the movement of the cross plate 4 through the movement of the T-shaped slider 10, so that the fixed block 9 at the bottom end of the cross plate 4 is nested with the fixed groove 11, and the sleeve 1 is assembled.

[0031] The contents not described in detail in this specification belong to the prior art known to the professional and technical personnel in this field. The specific embodiments described in this article are only used to illustrate the spirit of the utility model. The technicians in the technical field of the utility model can make various modifications or supplements to the specific embodiments described or replace them in a similar way, but they will not deviate from the spirit of the utility model or exceed the scope defined by the attached claims.

Claims

1. A hollow sleeve for a towing hook of an automobile bumper, comprising a sleeve (1) and a fixing plate (3), wherein a connecting sleeve (8) is fixedly provided at the center of the fixing plate (3), and the connecting sleeve (8) is nested and connected with the sleeve (1), characterized in that: A connecting ring (2) is fixedly provided on the end surface of the sleeve (1), a plurality of fixing grooves (11) are equidistantly provided on the outer wall of the connecting ring (2), a plurality of fixing blocks (9) are equidistantly slidably connected to the surface of the fixing plate (3), and a plurality of the fixing blocks (9) are nested and connected to the corresponding fixing grooves (11).

2. The hollow sleeve of the automobile bumper tow hook according to claim 1, characterized in that: The side surface of the fixed plate (3) is provided with a plurality of T-shaped slide grooves (6) at equal intervals, and the interiors of the plurality of T-shaped slide grooves (6) are all slidably connected with T-shaped sliders (10), and a transverse plate (4) is fixedly installed on the front surface of the T-shaped slider (10), and the transverse plate (4) is fixedly connected to the top end of the fixed block (9).

3. The hollow sleeve of the automobile bumper tow hook according to claim 2, characterized in that: The sides of the plurality of fixed plates (3) are equidistantly threadedly connected to a plurality of threaded push rods (7), one end of the plurality of threaded push rods (7) extending into the interior of the T-shaped slide groove (6) and contacting and connecting with the end surface of the T-shaped slide block (10).

4. The hollow sleeve of the automobile bumper tow hook according to claim 1, characterized in that: The outer wall of the connecting sleeve (8) is provided with a plurality of installation grooves (17) at equal intervals, and a clamping block (19) is nested and connected inside the plurality of installation grooves (17). A reset spring (18) is fixedly installed at the bottom of the plurality of installation grooves (17), and the top end of the reset spring (18) is fixedly connected to the bottom end of the clamping block (19). The inner wall of the sleeve (1) is provided with a plurality of clamping grooves (16) at equal intervals, and the plurality of clamping blocks (19) are clamped and connected with the corresponding clamping grooves (16).

5. The hollow sleeve of the automobile bumper tow hook according to claim 4, characterized in that: A through hole (12) is provided at the center of the card slot (16), a connecting rod (13) is inserted into the through hole (12), a roller (15) is rotatably connected to the bottom of the connecting rod (13), and the roller (15) is in contact with the surface of the card block (19).

6. The hollow sleeve of the automobile bumper tow hook according to claim 5, characterized in that: Limiting blocks (14) are fixedly installed on both sides of the connecting rod (13), and a pressing block (5) is fixedly installed on the top end of the connecting rod (13) through the through hole (12).

Citation Information

Patent Citations

  • Automobile bumper towing hook hollow sleeve

    CN212685478U