Automobile door hinge with limiting structure

Abstract

The utility model relates to an automobile door hinge with a limiting structure, which comprises a first hinge seat, an abutting mechanism arranged in the first hinge seat and used for limiting, a mounting shaft arranged on the first hinge seat and capable of rotating, and a second hinge seat arranged outside the mounting shaft and capable of rotating, three arc-shaped limiting grooves used for limiting are formed in the arc-shaped face outside the second hinge base around the center of the mounting shaft, and the included angle between each arc-shaped limiting groove and the adjacent arc-shaped limiting grooves on the two sides is 45 degrees. A mounting groove used for mounting the abutting mechanism is horizontally formed in the first hinge base. The automobile door can be opened and closed at different angles, and the problem that the automobile door swings after being opened is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile door hinge, specifically to a kind of automobile door hinge with limiting structure. BACKGROUND

[0002] Automobile door hinge is the key component connecting door and body, bearing the support and guiding function of door opening and closing. It is usually located at the joint of door edge and body door frame, and through precise structure design, it ensures the close fit of door and body, and provides sufficient rigidity and durability to withstand frequent use. Modern door hinge is mostly made of high-strength steel or lightweight aluminum alloy material, and some high-end models are equipped with hydraulic damping or electric auxiliary system to realize soft closing and intelligent adjustment. Automobile door hinge requires to consider load-bearing capacity, rust-proof performance, noise reduction effect and compact structure, and its process precision directly affects the sealing, safety and control experience of door, which is an important detail in body engineering that considers functionality and reliability.

[0003] Chinese patent (authorized announcement number CN221879151 U) discloses a door hinge, which comprises a door connecting piece, a body connecting piece and a rotating piece. The door connecting piece and the body side hinge are connected by the rotating piece. The door connecting piece further comprises a first reinforcing plate and a second reinforcing plate. The first reinforcing plate and the second reinforcing plate are fixedly connected with the second mounting plate and the connecting plate respectively. The plane of the first reinforcing plate and the plane of the second reinforcing plate are perpendicular to each other, which can improve the strength and stability of the door connecting piece and reduce the possibility of door sagging due to hinge deformation.

[0004] The above-mentioned door hinge connects the first mounting plate and the second mounting plate through the rotating piece, and sets a first connecting part on one side of the first mounting plate. When the door hinge starts, the first connecting part will contact the second mounting plate side, thereby achieving limiting. However, in actual use, the first connecting part and the second connecting part are directly sleeved outside the rotating piece, which causes the first connecting part and the second connecting part to rotate along the central axis of the rotating piece, thereby making the door hinge unstable. Therefore, a kind of automobile door hinge with limiting structure is proposed. UTILITY MODEL CONTENTS

[0005] In view of the above problems, a kind of automobile door hinge with limiting structure is provided. Three arc-shaped limiting grooves are formed on the arc surface of the second hinge seat. The moving block pushes the roller through the mounting bracket, so that the roller can be matched with the arc-shaped limiting groove, thereby limiting the rotation angle of the second hinge seat. The automobile door can be opened and closed at different angles, and the problem of swinging after the door is opened is solved.

[0006] In order to solve the prior art problems, the application provides a car door hinge with a limiting structure, which comprises a first hinge seat, an abutting mechanism arranged in the first hinge seat for limiting, a mounting shaft rotatably arranged on the first hinge seat, and a second hinge seat rotatably arranged outside the mounting shaft, wherein an arc-shaped surface outside the second hinge seat is provided with three arc-shaped limiting grooves for limiting around the center of the mounting shaft, and the included angle between the arc-shaped limiting groove and the adjacent arc-shaped limiting groove on both sides is 45 degrees.

[0007] A mounting groove for mounting the abutting mechanism is horizontally arranged in the interior of the first hinge seat.

[0008] The abutting mechanism comprises a moving block capable of extending out of the interior of the mounting groove, and two symmetrical mounting frames are arranged on one side of the moving block.

[0009] A roller capable of rotating and being matched with the arc-shaped limiting groove is longitudinally arranged beside the moving block, and both ends of the roller are rotatably arranged on the mounting frames.

[0010] As a technical solution of the application, the abutting mechanism further comprises a spring mounted in the mounting groove for pushing the moving block to reset, and a fastener is arranged at the end of the spring away from the moving block, and the fastener is threadedly connected with the mounting groove.

[0011] As a technical solution of the application, a first limiting seat capable of limiting the one end of the spring is arranged at the center of the other side of the moving block, and a second limiting seat for limiting the other end of the spring is arranged at one end of the fastener.

[0012] As a technical solution of the application, the first hinge seat comprises a boss arranged on one side, and a first mounting hole capable of penetrating the upper end surface and the lower end surface thereof and used for mounting the mounting shaft is arranged at the center of the boss.

[0013] As a technical solution of the application, a first bearing capable of rotating is mounted in the interior of the first mounting hole, and the mounting shaft is sleeved outside the first bearing.

[0014] As a technical solution of the application, a second mounting hole capable of penetrating the upper end surface and the lower end surface of the second hinge seat is arranged at one end of the second hinge seat, and the second hinge seat is mounted outside the mounting shaft through the second mounting hole.

[0015] As a technical solution of the application, a second bearing is rotatably arranged in the interior of the second mounting hole, and the second bearing is mounted outside the mounting shaft.

[0016] As a technical solution of the application, a blocking groove for limiting is arranged above the boss at one end of the first hinge seat, and a limiting block capable of corresponding to the number of blocking grooves is fixed at one end of the second hinge seat.

[0017] The utility model discloses the beneficial effect compared with prior art is:

[0018] The present application is through setting up three arc limit grooves on the arc surface of the second hinge seat, using the moving block to push the roller through the mounting frame, so that the roller can be adapted with the arc limit groove, so that the roller and the arc limit groove cooperate to limit the rotation angle of the second hinge seat. The automobile door can complete the opening and closing of different angles, and the problem of swinging after the door is opened is solved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a three-dimensional structure diagram of automobile door hinge with limiting structure Figure 1 .

[0020] Figure 2 It is a three-dimensional structure diagram of automobile door hinge with limiting structure Figure 2 .

[0021] Figure 3 It is a top view of automobile door hinge with limiting structure.

[0022] Figure 4 It is Figure 3 the sectional view of A-A in

[0023] Figure 5 It is an explosion view of automobile door hinge with limiting structure.

[0024] Figure 6 It is a first hinge seat perspective view of automobile door hinge with limiting structure.

[0025] Figure 7 It is a perspective view of abutting mechanism in automobile door hinge with limiting structure.

[0026] Reference numeral in the drawing is: 1, first hinge seat;11, installation groove;14, boss;141, first mounting hole;15, blocking groove;16, mounting shaft;2, abutting mechanism;21, moving block;211, mounting frame;212, roller;213, first limit seat;22, spring;23, fastener;231, second limit seat;3, second hinge seat;31, arc limit groove;32, limit block;33, second mounting hole;4, first bearing;5, second bearing. DETAILED DESCRIPTION

[0027] In order to further understand the features, technical means and specific purposes, functions reached by the utility model, the utility model is described in further detail below in conjunction with the drawings and specific embodiments

[0028] Reference Figures 1-7As shown in the figure, a car door hinge with a limiting structure comprises a first hinge seat 1, an abutting mechanism 2 arranged inside the first hinge seat 1 for limiting, a mounting shaft 16 arranged on the first hinge seat 1 and capable of rotating, and a second hinge seat 3 arranged outside the mounting shaft 16 and capable of rotating. Three arc-shaped limiting grooves 31 for limiting are arranged on the arc surface of the second hinge seat 3 around the center of the mounting shaft 16, and the included angle between the arc-shaped limiting groove 31 and the arc-shaped limiting groove 31 adjacent to the two sides is forty-five degrees.

[0029] A mounting groove 11 for mounting the abutting mechanism 2 is horizontally arranged inside the first hinge seat 1.

[0030] The abutting mechanism 2 comprises a moving block 21 capable of extending out of the inside of the mounting groove 11, and two symmetrical mounting racks 211 are arranged on one side of the moving block 21.

[0031] A roller 212 capable of rotating and capable of adapting to the arc-shaped limiting groove 31 is longitudinally arranged beside the moving block 21, and the two ends of the roller 212 are rotatably arranged on the mounting rack 211.

[0032] By arranging three arc-shaped limiting grooves 31 on the arc surface of the second hinge seat 3. When the moving block 21 moves, the moving block 21 drives the roller 212 to gradually approach the arc-shaped limiting groove 31 until the roller 212 enters the arc-shaped limiting groove 31. When the second hinge seat 3 rotates around the center axis of the mounting shaft 16, the second hinge seat 3 will synchronously drive the arc-shaped limiting groove 31 to rotate around the mounting shaft 16. At this time, the roller 212 will walk along the inner wall of the arc-shaped limiting groove 31 until the roller 212 enters the adjacent arc-shaped limiting groove 31, so as to limit the angle opened by the arc-shaped limiting groove 31 to the second hinge seat 3. Effectively avoid the second hinge seat 3 from shaking.

[0033] As shown in the figure, Figure 4 , Figure 6 and Figure 7 The abutting mechanism 2 further comprises a spring 22 mounted in the mounting groove 11 for pushing the moving block 21 to reset, and a fastener 23 is arranged at the end of the spring 22 away from the moving block 21, and the fastener 23 is threadedly connected with the mounting groove 11.

[0034] When the second hinge seat 3 rotates, the arc-shaped limiting slot 31 on the arc-shaped surface of the second hinge seat 3 extrudes the roller 212, so that the roller 212 pushes the moving block 21 to be recovered into the installation slot 11 through the mounting frame 211. At this time, the moving block 21 extrudes the spring 22 installed in the installation slot 11, so that the spring 22 gradually accumulates potential energy. When the roller 212 enters another arc-shaped limiting slot 31, the extrusion force on the roller 212 disappears, and the potential energy accumulated by the spring 22 is released, so that the spring 22 can push the moving block 21 to extend out of the installation slot 11, and the moving block 21 drives the roller 212 to be in close contact with the inner wall of the arc-shaped limiting slot 31 through the mounting frame 211. It is guaranteed that the roller 212 can limit the second hinge seat 3 through the arc-shaped limiting slot 31.

[0035] Referring to Figure 7 As shown, the other side of the moving block 21 is provided with a first limiting seat 213 capable of limiting one end of the spring 22; one end of the fastener 23 is provided with a second limiting seat 231 for limiting the other end of the spring 22.

[0036] In order to avoid the spring 22 from being deviated when being extruded by the moving block 21, the first limiting seat 213 is arranged on the other side of the moving block 21, the second limiting seat 231 is arranged on one side of the fastener 23, and then the two ends of the spring 22 are respectively sleeved outside the first limiting seat 213 and the second limiting seat 231. The deviation of the spring 22 is effectively avoided.

[0037] Referring to Figure 5 and Figure 6 As shown, the first hinge seat 1 comprises a boss 14 arranged on one side, and a first installation hole 141 is arranged at the center of the boss 14 and can penetrate the upper end face and the lower end face and be used for installing the installation shaft 16.

[0038] The first installation hole 141 is longitudinally arranged on the boss 14, and then the installation shaft 16 is inserted into the first installation hole 141, so that the boss 14 rotates along the central axis of the installation shaft 16 through the first installation hole 141.

[0039] Referring to Figure 5 and Figure 6 As shown, the first installation hole 141 is internally provided with a first bearing 4 capable of rotating, and the first bearing 4 is sleeved outside the installation shaft 16.

[0040] The first bearing 4 is installed inside the first mounting hole 141, and then the first bearing 4 is sleeved outside the mounting shaft 16. When the boss 14 rotates along the central axis of the mounting shaft 16 through the first mounting hole 141, the inner wall of the first mounting hole 141 is avoided from directly contacting the surface of the mounting shaft 16. The friction between the surface of the mounting shaft 16 and the inner wall of the first mounting hole 141 is effectively reduced, so as to avoid wear of the first mounting hole 141 or the mounting shaft 16.

[0041] Referring to Figure 5 and Figure 6 , one end of the second hinge seat 3 is provided with a second mounting hole 33 capable of penetrating the upper end face and the lower end face thereof, and the second hinge seat 3 is installed outside the mounting shaft 16 through the second mounting hole 33.

[0042] The second mounting hole 33 is longitudinally formed on the second hinge seat 3, and then the second hinge seat 3 is sleeved outside the mounting shaft 16 through the second mounting hole 33, so that the second hinge seat 3 can rotate along the central axis of the mounting shaft 16 through the second mounting hole 33.

[0043] Referring to Figure 5 and Figure 6 , the second bearing 5 is rotatably arranged inside the second mounting hole 33, and the second bearing 5 is installed outside the mounting shaft 16.

[0044] The second bearing 5 is installed inside the second mounting hole 33, and then the second bearing 5 is sleeved outside the mounting shaft 16. When the second hinge seat 3 rotates along the central axis of the mounting shaft 16 through the second mounting hole 33, the inner wall of the second mounting hole 33 is avoided from directly contacting the surface of the mounting shaft 16. The friction between the surface of the mounting shaft 16 and the inner wall of the second mounting hole 33 is effectively reduced, so as to avoid wear of the second mounting hole 33 or the mounting shaft 16.

[0045] Referring to Figure 1 and Figure 2 , the first hinge seat 1 is provided with a limiting groove 15 for limiting at one end close to the upper side of the boss 14; and the second hinge seat 3 is fixed with a limiting block 32 capable of corresponding to the number of the limiting grooves 15 at one end.

[0046] The limiting block 32 is arranged at one end of the second hinge seat 3. When the second hinge seat 3 rotates, the second hinge seat 3 drives the limiting block 32 to rotate synchronously, so that the limiting block 32 can enter the inside of the limiting groove 15. The rotation position of the second hinge seat 3 is limited by the cooperation of the limiting block 32 and the limiting groove 15. The overload of the second hinge seat 3 is effectively avoided.

[0047] The above embodiment only expresses one or several embodiments of the present application, and the description is more specific and detailed, but it cannot be understood as the limitation of the scope of the present application. It should be pointed out that for ordinary skilled in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which belong to the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the appended claims.

Claims

1. A car door hinge with a limiting structure, comprising a first hinge seat (1), an abutting mechanism (2) arranged inside the first hinge seat (1) for limiting, a mounting shaft (16) arranged on the first hinge seat (1) capable of rotating, and a second hinge seat (3) arranged outside the mounting shaft (16) capable of rotating, characterized in that, The arc-shaped surface outside the second hinge seat (3) is provided with three arc-shaped limiting grooves (31) for limiting around the center of the mounting shaft (16), and the included angle between the arc-shaped limiting grooves (31) and the arc-shaped limiting grooves (31) adjacent to the two sides is forty-five degrees. The first hinge seat (1) is internally provided with a mounting groove (11) for mounting the abutting mechanism (2). The abutting mechanism (2) comprises a moving block (21) capable of extending into the mounting groove (11), and the moving block (21) is provided with two symmetrical mounting frames (211) on one side. The side of the moving block (21) is longitudinally provided with a roller (212) capable of rotating and being adapted to the arc-shaped limiting groove (31), and the two ends of the roller (212) are rotatably arranged on the mounting frame (211).

2. The automotive door hinge with a limiting structure according to claim 1, characterized in that, The abutting mechanism (2) further comprises a spring (22) mounted in the mounting groove (11) for pushing the moving block (21) to reset, and one end of the spring (22) away from the moving block (21) is provided with a fastener (23) threadedly connected with the mounting groove (11).

3. The automotive door hinge with a limiting structure according to claim 2, wherein The other side of the moving block (21) is provided with a first limiting seat (213) capable of limiting one end of the spring (22); and one end of the fastener (23) is provided with a second limiting seat (231) for limiting the other end of the spring (22).

4. The automotive door hinge with a limiting structure according to claim 1, wherein The first hinge seat (1) comprises a boss (14) arranged on one side, and the center of the boss (14) is provided with a first mounting hole (141) capable of penetrating the upper end surface and the lower end surface thereof and used for mounting the mounting shaft (16).

5. A door hinge for a vehicle having a check feature according to claim 4, wherein The inside of the first mounting hole (141) is provided with a rotatable first bearing (4) sleeved on the outside of the mounting shaft (16).

6. The automotive door hinge with a limiting structure according to claim 1, wherein One end of the second hinge seat (3) is provided with a second mounting hole (33) capable of penetrating the upper end surface and the lower end surface thereof, and the second hinge seat (3) is mounted outside the mounting shaft (16) through the second mounting hole (33).

7. A door hinge for a vehicle having a check feature according to claim 6, wherein The inside of the second mounting hole (33) is rotatably provided with a second bearing (5) mounted outside the mounting shaft (16).

8. The automotive door hinge with a limiting structure according to claim 1, wherein The first hinge seat (1) is provided with a limiting groove (15) for limiting above the boss (14) at one end; and the second hinge seat (3) is fixed with a limiting block (32) corresponding in number to the limiting groove (15) at one end.

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