A tailgate hinge assembly for an automobile

CN224742216UActive Publication Date: 2026-09-11ZHEJIANG LONGJI AUTO PARTS
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Patent Information

Application Number
CN202522169117.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-10-14
Publication Date
2026-09-11
Estimated Expiration
2035-10-14

AI Technical Summary

Technical Problem

[0004]上述及现有技术存在以下缺陷:该铰链总成仅仅通过螺钉固定在铰链固定座的一侧,固定不牢靠;汽车用尾门往往通过门锁进行固定,若门锁失效会导致汽车尾门打开,造成后备箱内的东西掉落,存在安全隐患

Benefits of technology

[0012]本实用新型提出的一种汽车用尾门铰链总成,有益效果在于:通过螺栓组件将第一安装座与尾门铰链固定座四周固定连接,固定非常牢靠;设置的锁定装置,通过将电磁铁通电,电磁铁通过电磁性将铁块固定,汽车用尾门不仅通过门锁进行固定,还通过锁定装置进行固定,若门锁失效也不会导致汽车尾门打开,避免造成后备箱内的东西掉落,减小安全隐患。

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Abstract

The utility model relates to hinge assembly technical field especially a tail door hinge assembly for car, including the tail door hinge fixed base for connecting to the car body and the tail door hinge swing arm for connecting to the tail door, tail door hinge fixed base front surface and tail door hinge swing arm front surface are connected through locking device, it is fixedly connected through a plurality of bolt assemblies between four around first mounting seat and tail door hinge fixed base, second mounting seat and car body fixed connection, the mounting lug is fixedly connected with the tail door through first mounting peg. The utility model through bolt assembly with first mounting seat and tail door hinge fixed base four around fixed connection, is very firm with fixed, set locking device, through the electromagnet energization, the electromagnet passes to magnetism and fixes the iron block, the tail door for car not only is fixed through the door lock, still is fixed through the locking device, avoids causing the thing in the spare tire compartment to drop, reduces the potential safety hazard.
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Description

Technical Field

[0001] This utility model relates to the field of hinge assembly technology, and in particular to a tailgate hinge assembly for automobiles. Background Technology

[0002] Automotive hinges are typically installed between the car body and the door to support the door and allow it to rotate relative to the car body, thereby enabling the door to open and close. A typical car door hinge includes a tailgate hinge mounting base, a tailgate hinge swing arm, and a tailgate hinge connecting shaft.

[0003] For example, the authorized announcement number "CN203145653U" is named a new type of tailgate hinge assembly. This utility model has a simple structure, good safety, and greatly improves the strength of the tailgate hinge assembly and the service life of the car.

[0004] The above-mentioned and existing technologies have the following defects: the hinge assembly is only fixed to one side of the hinge mounting base with screws, which is not a reliable fixation; the tailgate of a car is often fixed by a door lock. If the door lock fails, the tailgate of the car will open, causing the items in the trunk to fall out, which poses a safety hazard. Utility Model Content

[0005] The purpose of this utility model is to address the shortcomings of existing technologies by proposing a tailgate hinge assembly for automobiles.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: Design an automotive tailgate hinge assembly, including a tailgate hinge mounting base for connecting to the vehicle body and a tailgate hinge swing arm for connecting to the tailgate. The tailgate hinge mounting base and the tailgate hinge swing arm are hinged together by a tailgate hinge connecting shaft. The front surface of the tailgate hinge mounting base and the front surface of the tailgate hinge swing arm are connected by a locking device. A first mounting base and a second mounting base are provided below the tailgate hinge mounting base. A connecting block is provided between the first mounting base and the tailgate hinge mounting base. The first mounting base is fixedly connected to the tailgate hinge mounting base around its perimeter by a plurality of bolt assemblies. The second mounting base is fixedly connected to the vehicle body. The upper end of the tailgate hinge swing arm is provided with a mounting ear, which is fixedly connected to the tailgate by a first mounting bolt.

[0007] Preferably, the locking device includes two electromagnets and two iron blocks. The two electromagnets are disposed on both sides of the front surface of the tailgate hinge fixing seat, and the two iron blocks are disposed on both sides of the front surface of the tailgate hinge swing arm. The electromagnets are matched with the iron blocks.

[0008] Preferably, wear-resistant rings are provided between the two sides of the tailgate hinge swing arm and the inner wall of the tailgate hinge fixing seat. The two wear-resistant rings are sleeved on the tailgate hinge connecting shaft and rotatably connected to it. The wear-resistant rings are made of polyvinyl chloride.

[0009] Preferably, the second mounting bracket is fixedly connected to the vehicle body by a plurality of second mounting bolts.

[0010] Preferably, the upper ends of the tailgate hinge swing arm are provided with first reinforcing ribs on both sides between the upper end and the mounting ears.

[0011] Preferably, the upper surface of the second mounting base and the perimeter of the connecting block are provided with second reinforcing ribs.

[0012] The tailgate hinge assembly proposed in this utility model has the following advantages: the first mounting base is fixedly connected to the tailgate hinge fixing base around the perimeter by bolt assembly, and the fixation is very reliable; the locking device is set up so that the electromagnet is energized and the electromagnet fixes the iron block by electromagnetic property. The tailgate of the car is not only fixed by the door lock, but also by the locking device. If the door lock fails, the tailgate of the car will not be opened, avoiding the falling of items in the trunk and reducing safety hazards. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a cross-sectional view of the structure of this utility model.

[0014] In the diagram: 1. Tailgate hinge fixing seat; 2. Tailgate hinge swing arm; 3. Tailgate hinge connecting shaft; 4. First mounting seat; 5. Second mounting seat; 6. Connecting block; 7. Bolt assembly; 8. Mounting ear; 9. First mounting bolt; 10. Electromagnet; 11. Iron block; 12. Wear-resistant ring; 13. Second mounting bolt; 14. First reinforcing rib; 15. Second reinforcing rib. Detailed Implementation

[0015] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0016] Reference Figure 1-2A tailgate hinge assembly for automobiles includes a tailgate hinge fixing seat 1 for connecting to the vehicle body and a tailgate hinge swing arm 2 for connecting to the tailgate. The tailgate hinge fixing seat 1 and the tailgate hinge swing arm 2 are hinged together by a tailgate hinge connecting shaft 3. The front surface of the tailgate hinge fixing seat 1 and the front surface of the tailgate hinge swing arm 2 are connected by a locking device. A first mounting seat 4 and a second mounting seat 5 are provided below the tailgate hinge fixing seat 1. A connecting block 6 is provided between the first mounting seat 4 and the second mounting seat 5. The first mounting seat 4 and the tailgate hinge fixing seat 1 are fixedly connected around the perimeter by a plurality of bolt assemblies 7. The second mounting seat 5 is fixedly connected to the vehicle body. The upper end of the tailgate hinge swing arm 2 is provided with a mounting ear 8, which is fixedly connected to the tailgate by a first mounting bolt 9.

[0017] The locking device includes two electromagnets 10 and two iron blocks 11. The two electromagnets 10 are arranged on both sides of the front surface of the tailgate hinge fixing seat 1, and the two iron blocks 11 are arranged on both sides of the front surface of the tailgate hinge swing arm 2. The electromagnets 10 and the iron blocks 11 are matched.

[0018] Wear-resistant rings 12 are provided on both sides of the tailgate hinge swing arm 2 and the inner wall of the tailgate hinge fixing seat 1. Both wear-resistant rings 12 are sleeved on the tailgate hinge connecting shaft 3 and rotatably connected to it. The wear-resistant rings 12 are made of polyvinyl chloride. The wear-resistant rings 12 are provided to prevent wear between the tailgate hinge fixing seat 1 and the tailgate hinge swing arm 2.

[0019] The second mounting base 5 is fixedly connected to the vehicle body by a plurality of second mounting bolts 13.

[0020] The tailgate hinge swing arm 2 has first reinforcing ribs 14 on both sides of its upper end between the swing arm and the mounting ear 8. The second reinforcing ribs 15 make the connection between the tailgate hinge swing arm 2 and the mounting ear 8 more secure.

[0021] The second mounting base 5 and the connecting block 6 are both provided with second reinforcing ribs 15. The second reinforcing ribs 15 make the connection between the connecting block 6 and the second mounting base 5 more secure.

[0022] Working principle: First, the second mounting seat 5 is fixedly connected to the vehicle body by the second mounting bolt 13. Then, the first mounting seat 4 and the tailgate hinge fixing seat 1 are fixedly connected by the bolt assembly 7, and the fixation is very secure. The locking device is set up so that by energizing the electromagnet 10, the electromagnet 10 fixes the iron block 11 through electromagnetic properties. The tailgate of the car is not only fixed by the door lock, but also by the locking device. If the door lock fails, the tailgate of the car will not be opened, avoiding the items in the trunk from falling out and reducing safety hazards.

[0023] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A tailgate hinge assembly for a vehicle, comprising a tailgate hinge fixing seat (1) for connection to a vehicle body and a tailgate hinge swing arm (2) for connection to a tailgate, characterized in that, The tailgate hinge fixing seat (1) and the tailgate hinge swing arm (2) are hinged together by the tailgate hinge connecting shaft (3). The front surface of the tailgate hinge fixing seat (1) and the front surface of the tailgate hinge swing arm (2) are connected by a locking device. The tailgate hinge fixing seat (1) is provided with a first mounting seat (4) and a second mounting seat (5) below it. A connecting block (6) is provided between the first mounting seat (4) and the second mounting seat (5). The first mounting seat (4) and the tailgate hinge fixing seat (1) are fixedly connected around the perimeter by multiple bolt assemblies (7). The second mounting seat (5) is fixedly connected to the vehicle body. The upper end of the tailgate hinge swing arm (2) is provided with a mounting ear (8). The mounting ear (8) is fixedly connected to the tailgate by a first mounting bolt (9).

2. The tailgate hinge assembly for a vehicle of claim 1, wherein, The locking device includes two electromagnets (10) and two iron blocks (11). The two electromagnets (10) are arranged on both sides of the front surface of the tailgate hinge fixing seat (1), and the two iron blocks (11) are arranged on both sides of the front surface of the tailgate hinge swing arm (2). The electromagnets (10) and iron blocks (11) are matched.

3. The tailgate hinge assembly for a vehicle of claim 1, wherein, Wear-resistant rings (12) are provided between the two sides of the tailgate hinge swing arm (2) and the inner wall of the tailgate hinge fixing seat (1). The two wear-resistant rings (12) are sleeved on the tailgate hinge connecting shaft (3) and rotatedly connected to it. The wear-resistant rings (12) are made of polyvinyl chloride.

4. The tailgate hinge assembly for a vehicle of claim 1, wherein, The second mounting base (5) is fixedly connected to the vehicle body by a plurality of second mounting bolts (13).

5. The tailgate hinge assembly for a vehicle of claim 1, wherein, The tailgate hinge swing arm (2) is provided with first reinforcing ribs (14) on both sides of the upper end and between the mounting ears (8).

6. The tailgate hinge assembly for a vehicle of claim 1, wherein, The second mounting base (5) is provided with second reinforcing ribs (15) on its upper surface and around the connecting block (6).

Citation Information

Patent Citations

  • Novel stern door hinge assembly

    CN203145653U