Automobile towing hook mounting structure

By introducing support frames, pads, and reinforcing structures into the vehicle tow hook installation structure, forming a combination of double arches and I-beams, the problem of weak bending resistance of the tow hook installation structure is solved, and the load-bearing capacity and reliability of the structure are improved.

CN223778129UActive Publication Date: 2026-01-09KAIRUI AUTOMOBILE TECHNOLOGY (ANHUI) CO LTD
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Patent Information

Application Number
CN202520173814.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-26
Publication Date
2026-01-09
Estimated Expiration
2035-01-26

AI Technical Summary

Technical Problem

Existing vehicle tow hook installation structures have weak bending resistance when subjected to bending moments, affecting the vehicle's functionality and making them prone to damage, especially under harsh working conditions.

Method used

The system employs a welded structure of support and fixing brackets and pads within the longitudinal beams of the chassis, combined with mounting sleeves, arched support fixing plates, and I-beam reinforcing structures, forming a combination of double arches and I-beam structures to enhance the strength of the tow hook installation area.

Benefits of technology

It improves the structural strength and bending resistance of the tow hook installation area, ensuring the normal operation of the vehicle under harsh working conditions and making full use of the material's load-bearing capacity.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an automobile towing hook installation structure which comprises a frame longitudinal beam, a supporting and fixing frame and an installation sleeve used for being connected with a towing hook body, the installation sleeve is fixed in the frame longitudinal beam through the supporting and fixing frame, the automobile towing hook installation structure further comprises a base plate, and the base plate is connected with the inner wall of the frame longitudinal beam in a welded mode. A flanging structure connected with an automobile frame is arranged at the end of the base plate, and the supporting fixing frame is connected with the side face of the base plate in a welded mode. The bearing performance and strength of the structure are improved through the design of a new structural form, the purpose of improving the reliability of the structure is achieved, and the utilization rate of materials is fully exerted on the premise that the vehicle bearing capacity is met.
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Description

Technical Field

[0001] This utility model relates to the field of automobile tow hook technology, and in particular to an automobile tow hook installation structure. Background Technology

[0002] The tow hook is a crucial load-bearing component of a vehicle, serving as a trailer in case of vehicle breakdown. Damage to the tow hook's fixing structure affects the vehicle's functionality; furthermore, in harsh operating conditions, the tow hook's fixing structure is subjected to impact loads from multiple directions.

[0003] Existing trailer hitch mounting structures mostly use individual brackets to fix the tow hook to the longitudinal beam. In existing structures, the tow hook, when connected to the vehicle frame, suffers from weak load-bearing capacity and significant shape changes due to the plate-shaped planar nature of the frame beam when subjected to bending moments, affecting the normal functionality of the structure. For example, Chinese patent CN212242852U discloses a tow hook mounting reinforcement structure, including a vehicle longitudinal beam, a tow hook mounting tube, and N reinforcing members. These N reinforcing members are circumferentially spaced on the outer wall of the tow hook mounting tube. Each reinforcing member's side facing the tow hook mounting tube is conformally fitted and connected to the outer wall of the tow hook mounting tube, while the side of each reinforcing member away from the tow hook mounting tube is connected to the inner wall of the vehicle longitudinal beam. However, this tow hook mounting structure exhibits weak bending resistance. Utility Model Content

[0004] In view of the shortcomings of the existing technology, this utility model provides a car tow hook installation structure to effectively improve the structural strength of the tow hook installation area.

[0005] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows:

[0006] The vehicle tow hook mounting structure includes a frame longitudinal beam, a support bracket, and a mounting sleeve for connecting to the tow hook body. The mounting sleeve is fixed inside the frame longitudinal beam by the support bracket. It also includes a pad plate, which is welded to the inner wall of the frame longitudinal beam. The end of the pad plate is provided with a flange structure that connects to the vehicle frame. The support bracket is welded to the side of the pad plate.

[0007] Further:

[0008] The longitudinal beam of the vehicle frame is reinforced with a structure at the rear of the support frame.

[0009] The lower end of the pad is provided with an inner end plate, and the inner end plate is provided with a connecting hole. The inner end plate is fixedly connected to the bottom of the frame longitudinal beam by bolts passing through the connecting hole.

[0010] The mounting sleeve is a threaded sleeve with internal threads, and the inner end of the hook body is connected to the mounting sleeve through a threaded structure.

[0011] The support frame includes a pair of arched support plates, and an installation sleeve is fixed between the pair of arched support plates. The upper and lower edges of the arched support plates are provided with welded flanges, which are welded to the pads.

[0012] The reinforcing structure is an I-shaped reinforcing structure.

[0013] The pad has a wavy, bent structure between the two welding flange fixing areas.

[0014] Compared with the prior art, this utility model has the following advantages:

[0015] The car tow hook installation structure is rationally designed, utilizing both double-arch and I-beam structures to achieve a complementary effect of tiered load bearing. The new structural design enhances the structural load bearing capacity and strength, thereby improving structural reliability and maximizing material utilization while ensuring that the vehicle's load-bearing capacity is met. Attached Figure Description

[0016] The following is a brief explanation of the contents of each of the accompanying drawings and the markings in the drawings:

[0017] Figure 1 This is a schematic diagram of the overall installation structure of the tow hook of this utility model.

[0018] Figure 2 This is a schematic diagram of the tow hook body of this utility model.

[0019] Figure 3 This is a schematic diagram of the arched support plate of this utility model.

[0020] Figure 4 This is a schematic diagram of the pad of this utility model.

[0021] Figure 5 This is a schematic diagram of the mounting sleeve of this utility model.

[0022] Figure 6 This is a schematic diagram of the reinforced structure of this utility model.

[0023] Figure 7 This is a schematic diagram of the present invention installed in the longitudinal beam.

[0024] In the picture:

[0025] 1. Frame longitudinal beam, 2. Tow hook body, 3. Mounting sleeve, 4. Support fixing plate I, 5. Support fixing plate II, 6. Pad, 7. Reinforcing structure. Detailed Implementation

[0026] The specific embodiments of this utility model will be further described in detail below with reference to the accompanying drawings and through the description of the examples.

[0027] like Figures 1 to 7 As shown, the vehicle tow hook mounting structure includes a frame longitudinal beam 1, a support bracket, a pad 6, and a mounting sleeve 3 for connecting to the tow hook body 2; the front end of the frame longitudinal beam is a hollow longitudinal beam structure with an opening at the top.

[0028] The mounting sleeve 3 is fixed inside the longitudinal beam of the vehicle frame by a support bracket and a pad. The pad 6 is welded to the inner wall of the longitudinal beam of the vehicle frame. The end of the pad 6 is provided with a flange structure that connects to the vehicle frame. The support bracket is welded to the side of the pad.

[0029] The mounting sleeve 3 is a threaded sleeve with internal threads. The inner end of the hook body is connected to the mounting sleeve through a threaded structure, making the connection simple.

[0030] The longitudinal beam 1 of the frame is reinforced by a supporting frame at the rear. The installation area is reinforced by two structures set at the front and rear to improve its bending resistance.

[0031] The lower end of the pad is provided with an inner end plate, which has a connecting hole. The inner end plate is fixedly connected to the bottom of the frame longitudinal beam by bolts passing through the connecting hole, which further improves the structural strength; and this structure can ensure the structural fixing accuracy.

[0032] The support and fixing frame includes a pair of arched support and fixing plates, namely support and fixing plate I4 and support and fixing plate II5. The mounting sleeve is fixed between the pair of arched support and fixing plates. The upper and lower edges of the arched support and fixing plates are provided with welded flanges, which are welded to the pads. The pads have a wavy bending structure between the two welded flange fixing areas. The arched support and fixing plates have a certain deformation capacity to avoid damage during use.

[0033] The support and fixing plate is a bent arched structure. The support and fixing plate is fixed at the top and bottom. There is an arc-shaped area in the middle of the support and fixing plate for wrapping the outer edge of the installation sleeve. The two arc-shaped areas are connected and fixed by wrapping, which is reliable.

[0034] The reinforcing structure 7 is an I-shaped reinforcing structure; preferably, the reinforcing structure includes a side plate, a side plate, and a middle connecting plate. The side plate is welded to the inner wall of one side of the frame longitudinal beam, the other side plate is welded to the inner wall of the other side of the frame longitudinal beam, and the middle connecting plate is welded between the side plate and the other side plate to form an integral reinforcing structure.

[0035] This utility model utilizes a double-arch structure and an I-beam structure simultaneously to achieve a complementary effect of tiered load-bearing. The new structural design enhances the load-bearing performance and strength of the structure, thereby improving structural reliability and maximizing material utilization while ensuring that the vehicle's load-bearing capacity is met.

[0036] The above description is only a preferred embodiment of the present utility model. The above technical features can be arbitrarily combined to form multiple embodiments of the present utility model.

[0037] The present invention has been described above with reference to the accompanying drawings. Obviously, the specific implementation of the present invention is not limited to the above-described manner. Any non-substantial improvements made using the concept and technical solution of the present invention, or the direct application of the concept and technical solution of the present invention to other occasions without modification, are all within the protection scope of the present invention.

Claims

1. A vehicle tow hook mounting structure, comprising a vehicle frame longitudinal beam, a support bracket, and a mounting sleeve for connecting to the tow hook body, wherein the mounting sleeve is fixed within the vehicle frame longitudinal beam by the support bracket, characterized in that: It also includes a pad, which is welded to the inner wall of the longitudinal beam of the vehicle frame. The end of the pad is provided with a flange structure that is connected to the vehicle frame. The support bracket is welded to the side of the pad.

2. The vehicle tow hook mounting structure as described in claim 1, characterized in that: The longitudinal beam of the vehicle frame is reinforced with a structure at the rear of the support frame.

3. The vehicle tow hook mounting structure as described in claim 1, characterized in that: The lower end of the pad is provided with an inner end plate, and the inner end plate is provided with a connecting hole. The inner end plate is fixedly connected to the bottom of the frame longitudinal beam by bolts passing through the connecting hole.

4. The vehicle tow hook mounting structure as described in claim 1, characterized in that: The mounting sleeve is a threaded sleeve with internal threads, and the inner end of the hook body is connected to the mounting sleeve through a threaded structure.

5. The vehicle tow hook mounting structure as described in claim 1, characterized in that: The support frame includes a pair of arched support plates, and an installation sleeve is fixed between the pair of arched support plates. The upper and lower edges of the arched support plates are provided with welded flanges, which are welded to the pads.

6. The vehicle tow hook mounting structure as described in claim 2, characterized in that: The reinforcing structure is an I-shaped reinforcing structure.

7. The vehicle tow hook mounting structure as described in claim 5, characterized in that: The pad has a wavy, bent structure between the two welding flange fixing areas.

Citation Information

Patent Citations

  • Towing hook installation reinforcing structure

    CN212242852U