Automobile door hinge structure
By designing the door movable page and body fixing page in the car door hinge structure, using the combination of rotating shaft, adjustment mechanism, roller and groove, the problems of poor stability and easy clamping of the existing car door hinge structure are solved, and the problem of people with poor stability and easy clamping is achieved. The doors are stable and safe.
Patent Information
- Application Number
- CN202420468034.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-12
- Publication Date
- 2025-02-18
- Estimated Expiration
- 2034-03-12
AI Technical Summary
The existing car door hinge structure is easy to close automatically under the action of external forces, resulting in poor stability of the car door at a certain angle and easily clamping people.
A car door hinge structure is designed, including a door movable page and a body fixing page. By combining a rotating shaft, adjustment mechanism, roller and groove, the stable limit of the door is achieved and clamping is avoided.
It improves the stability of the door when opening and effectively avoids the situation where the door clamps in the car door.
Smart Images

Figure CN222501394U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to automobile parts, in particular to an automobile door hinge structure. Background Art
[0002] With the continuous development of social economy, cars have entered thousands of households and have gradually become an indispensable tool for people's production and life. At the same time, people have higher standards for the quality and appearance of cars, which has also promoted the vigorous development of the automobile industry. The automobile door hinge mechanism is an indispensable spare part of the automobile. With the increasing development of the automobile industry, the form of the automobile door hinge structure has also changed, from the original casting and profile structure to the current stamping structure hinge.
[0003] At present, the existing car doors are connected to the car body by hinges. Under the action of external force, the existing hinge connection will easily close automatically. Although the car doors can be opened at a certain angle, the stability of the car doors at a certain angle is poor, which makes the car doors easily affected by external forces when opening, and can easily pinch and injure people, causing harm to people. Utility Model Content
[0004] In view of the problems in the related technology, the utility model proposes a car door hinge structure to overcome the above technical problems existing in the existing related technology.
[0005] To this end, the specific technical solutions adopted by the utility model are as follows:
[0006] A car door hinge structure comprises a door movable leaf and a body fixed leaf, the door movable leaf comprises a fixing piece fixed on the door, side panel 1 and side panel 2 are respectively welded to the outer surface of the fixing piece, the body fixed leaf comprises a connecting block fixed to the body, one end of side panel 1 and side panel 2 are connected to the connecting block via a rotating shaft, a supporting block is welded to the bottom of side panel 1, a fixing rod is fixedly connected to the supporting block, a groove is provided on the fixing rod, a roller is movably connected to the outer surface of the groove, and an adjustment mechanism is provided on one side of the outer surface of the connecting block.
[0007] Furthermore, in order to prevent people from being pinched by the car door, the adjustment mechanism includes a base plate welded to the connecting block, one end of the base plate is fixedly connected to a support block, the support block is connected to the adjustment rod by a connecting short rod, the adjustment rod is provided with adjustment grooves at equal distances, the adjustment grooves match the roller, a bottom groove is opened on the end of the base plate away from the support block, a spring is fixedly connected to the bottom groove, and the top of the spring is fixedly connected to the adjustment rod.
[0008] Furthermore, in order to enable the roller to rotate in the groove, a bearing is provided between the roller and the groove.
[0009] Furthermore, in order to make the spring stop as quickly as possible, a damper is welded on the center of the bottom groove, and the spring is sleeved outside the damper.
[0010] Furthermore, in order to increase the stability between the side panels, a limit block is provided between the side panel one and the side panel two, and two ends of the limit block are respectively welded to the side panel one and the side panel two.
[0011] Furthermore, in order to mitigate the collision between the connecting block and the limiting block, a mitigation pad is fixedly connected to one end of the outer surface of the connecting block.
[0012] Furthermore, in order to fix the vehicle body fixing page on the vehicle body, a connecting piece is symmetrically welded on the other end of the outer surface of the connecting block, and a fastening bolt is threadedly connected to the connecting piece.
[0013] Furthermore, in order to fix the door movable leaf on the door, the fixing piece is provided with a fixing hole.
[0014] The beneficial effects of the utility model are:
[0015] 1. When the door is opened, the door movable leaf rotates relative to the vehicle body with the connecting block as the fixed point under the action of the rotating shaft rod. The rotation of the door movable leaf drives the fixed rod to move, and then the roller moves in the adjustment groove on the adjustment rod. The setting of the adjustment groove limits the roller, further improving the stability of the door and effectively preventing people from being pinched by the door. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0017] Figure 1 It is a structural schematic diagram of a car door hinge structure according to an embodiment of the utility model;
[0018] Figure 2 It is a rear view structural schematic diagram of a car door hinge structure according to an embodiment of the utility model;
[0019] Figure 3 yes Figure 2 Enlarged view of point A in the middle;
[0020] Figure 4 It is a schematic diagram of the mechanism of a movable leaf of a vehicle door in a hinge structure of a vehicle door according to an embodiment of the utility model;
[0021] Figure 5 It is a partial cross-sectional view of a fixed structure of a car door hinge according to an embodiment of the utility model;
[0022] In the figure:
[0023] 1. Door movable page; 2. Fixing parts; 3. Fixing holes; 4. Side panel 1; 5. Side panel 2; 6. Limiting block; 7. Support block; 8. Fixing rod; 9. Groove; 10. Bearing; 11. Roller; 12. Car body fixing page; 13. Connecting block; 14. Rotating shaft; 15. Relief pad; 16. Connecting parts; 17. Fastening bolts; 18. Bottom plate; 19. Support block; 20. Connecting short rod; 21. Adjusting rod; 22. Adjusting groove; 23. Bottom groove; 24. Spring; 25. Damper. DETAILED DESCRIPTION
[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0025] See also Figure 1 , Figure 2 , Figure 4 and Figure 5The utility model provides a technical solution: a car door hinge structure, including a door movable page 1 and a body fixed page 12, the door movable page 1 includes a fixing member 2 fixed on the door, in order to fix the door movable page 1 on the door, the fixing member 2 is provided with a fixing hole 3, a bolt is arranged in the fixing hole 3, so that the fixing member 2 is fixed on the door, a side plate 1 4 and a side plate 2 5 are welded on the outer surface of the fixing member 2, and the body fixed page 12 includes a connecting block 13 fixed on the body, one end of the side plate 1 4 and the side plate 2 5 is connected to the connecting block 13 through a rotating shaft rod 14, under the action of the rotating shaft rod 14, the door movable page 1 is fixed to the connecting block 13, and the door movable page 1 is rotated relative to the connecting block 13 In order to increase the stability between the side panels, a limit block 6 is provided between the side panel 1 4 and the side panel 2 5, and the two ends of the limit block 6 are respectively welded to the side panel 1 4 and the side panel 2 5. The setting of the limit block 6, on the one hand, increases the stability between the side panel 1 4 and the side panel 2 5, and on the other hand, limits the movable page 1 of the door. In order to slow down the collision between the connecting block 13 and the limit block 6, a mitigation pad 15 is fixedly connected to one end of the outer surface of the connecting block 13, a supporting block 7 is welded to the bottom of the side panel 1 4, a fixing rod 8 is fixedly connected to the supporting block 7, a groove 9 is provided on the fixing rod 8, a roller 11 is movably connected to the outer surface of the groove 9, and a bearing 10 is provided between the roller 11 and the groove 9, so that the roller 11 can move on the fixing rod 8.
[0026] See also Figure 1-Figure 3 In order to limit the door, an adjustment mechanism is provided on one side of the outer surface of the connecting block 13, and the adjustment mechanism includes a bottom plate 18 welded on the connecting block 13, and one end of the bottom plate 18 is fixedly connected to a support block 19, and the support block 19 is connected to an adjustment rod 21 through a connecting short rod 20. The setting of the connecting short rod 20 fixes the adjustment rod 21 on the support block 19 and allows the adjustment rod 21 to rotate on the support block 19. Adjustment grooves 22 are provided at equal distances on the adjustment rod 21, and the adjustment grooves 22 match the roller 11. A bottom groove 23 is provided on one end of the bottom plate 18 away from the support block 19, and a spring 24 is fixedly connected to the bottom groove 23. The top end of the spring 24 is fixedly connected to the adjustment rod 21, and the bottom groove 23 is provided with a spring 24. A damper 25 is welded on the center, and a spring 24 is sleeved outside the damper 25. In order to fix the body fixing page 12 on the body, a connecting piece 16 is symmetrically welded on the other end of the outer surface of the connecting block 13, and a fastening bolt 17 is threadedly connected to the connecting piece 16. When the door is opened, the door movable leaf 1 is rotated relative to the body with the connecting block 13 as the fixed point under the action of the rotating shaft rod 14. The rotation of the door movable leaf 1 drives the fixing rod 8 to move, and then the roller 11 moves in the adjusting groove 22 on the adjusting rod 21. The setting of the adjusting groove 22 limits the roller 11, further improves the stability of the door, and effectively avoids the situation where the door pinches people.
[0027] To sum up, with the help of the above technical scheme of the utility model, in actual use, first, the fixing part 2 on the door movable page 1 is fixed to the door by bolts, and at the same time, the fastening bolts 17 on the body fixed page 12 are fixed to the body. Secondly, the door movable page 1 and the body fixed page 12 are connected by the rotating shaft rod 14. When the door is opened, the door movable page 1 is rotated relative to the body with the connecting block 13 as the fixed point under the action of the rotating shaft rod 14. The rotation of the door movable page 1 drives the fixing rod 8 to move, and then the roller 11 moves in the adjusting groove 22 on the adjusting rod 21. The setting of the adjusting groove 22 limits the roller 11, further improves the stability of the door, and effectively avoids the situation where the door pinches people.
[0028] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A car door hinge structure, comprising a door movable leaf (1) and a vehicle body fixed leaf (12), characterized in that: The door movable leaf (1) comprises a fixing part (2) fixed on the door, and a side panel 1 (4) and a side panel 2 (5) are respectively welded on the outer surface of the fixing part (2); the vehicle body fixed leaf (12) comprises a connecting block (13) fixed on the vehicle body, and one end of the side panel 1 (4) and the side panel 2 (5) are connected to the connecting block (13) through a rotating shaft (14); a supporting block (7) is welded on the bottom of the side panel 1 (4), and a fixing rod (8) is fixedly connected to the supporting block (7); a groove (9) is provided on the fixing rod (8), and a roller (11) is movably connected on the outer surface of the groove (9); and an adjustment mechanism is provided on one side of the outer surface of the connecting block (13).
2. The automobile door hinge structure according to claim 1, characterized in that: The adjustment mechanism comprises a bottom plate (18) welded to the connecting block (13); a support block (19) is fixedly connected to one end of the bottom plate (18); the support block (19) is connected to an adjustment rod (21) via a connecting short rod (20); adjustment grooves (22) are arranged at equal distances on the adjustment rod (21); the adjustment grooves (22) match the roller (11); a bottom groove (23) is provided on one end of the bottom plate (18) away from the support block (19); a spring (24) is fixedly connected to the bottom groove (23); and the top end of the spring (24) is fixedly connected to the adjustment rod (21).
3. The automobile door hinge structure according to claim 2, characterized in that: A bearing (10) is provided between the roller (11) and the groove (9).
4. The automobile door hinge structure according to claim 3, characterized in that: A damper (25) is welded on the center of the bottom groove (23), and the spring (24) is sleeved outside the damper (25).
5. The automobile door hinge structure according to claim 1, characterized in that: A limit block (6) is provided between the side plate one (4) and the side plate two (5), and two ends of the limit block (6) are respectively welded to the side plate one (4) and the side plate two (5).
6. The automobile door hinge structure according to claim 1, characterized in that: A mitigation pad (15) is fixedly connected to one end of the outer surface of the connection block (13).
7. The automobile door hinge structure according to claim 6, characterized in that: A connecting piece (16) is symmetrically welded on the other end of the outer surface of the connecting block (13), and a fastening bolt (17) is threadedly connected to the connecting piece (16).
8. The automobile door hinge structure according to claim 1, characterized in that: The fixing piece (2) is provided with a fixing hole (3).