Assembly structure of automobile door hinge

Abstract

The utility model discloses an assembling structure of an automobile door hinge, which comprises a male hinge body and a female hinge body, the male hinge body is rotatably connected with the female hinge body through a rotating shaft piece, and one side of the male hinge body and one side of the female hinge body are respectively provided with at least one movable part and at least one connecting part. The rotating shaft piece comprises an embedding part and a rotating part; the embedding part is used for coaxially and fixedly sleeving the movable part; the rotating part is used for coaxially sleeving the connecting part and is in relative rotating fit with the connecting part; the rotating part performs synchronous fixed-axis rotating action in an inner cavity of the connecting part along with the rotating action of the male hinge body around the female hinge body; therefore, by limiting the positions of the male hinge body and the rotating shaft piece, the male hinge body drives the rotating shaft piece to rotate relative to the female hinge body together, the rotating friction stress of the male hinge body is relieved, then the use stability of the automobile door hinge is improved, the service life of the automobile door hinge is prolonged, and rotating torque is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of automotive parts, in particular to an assembly structure of an automotive door hinge. Background Art

[0002] An automotive door hinge is an important part connecting a car door and a vehicle body, which can control the relative opening and closing movement between the car door and the vehicle body and play a role in controlling the opening degree of the car door. The existing assembly structure of an automotive door hinge is as follows: the male hinge body and the female hinge body are hinged through a rotating shaft, thereby connecting the male hinge body and the female hinge body in a relatively rotatable manner; and the female hinge body and the rotating shaft are usually fixed by riveting, welding and other methods, so that the male hinge body rotates relative to the female hinge body when rotating around the rotating shaft. However, since the rotational frictional force of the existing assembly structure of an automotive door hinge is concentrated on the part where the male hinge body is rotationally connected to the rotating shaft during use, not only will the structure of this part on the male hinge body be easily worn and deformed, the stability of the relative opening and closing movement between the car door and the vehicle body cannot be maintained, and the service life and use stability of the automotive door hinge are reduced; but also rotational torque is easily generated at the male hinge body and the car door, affecting the assembly matching degree between the car door and the vehicle body, resulting in problems such as surface difference and gap between the car door and the vehicle body. Summary of the Utility Model

[0003] The purpose of the utility model is to overcome the deficiencies of the prior art and provide an assembly structure of an automotive door hinge. By defining the positions of the male hinge body and the rotating shaft member, the male hinge body drives the rotating shaft member to rotate relative to the female hinge body together, reducing the rotational friction force of the male hinge body, thereby improving the use stability and service life of the automotive door hinge and reducing the generation of rotational torque.

[0004] To achieve the above purpose, an assembly structure of an automotive door hinge provided by the utility model includes a male hinge body and a female hinge body, and the male hinge body is rotationally connected to the female hinge body through a rotating shaft member. Among them, at least one movable part and a connecting part are respectively formed on one side of the male hinge body and the female hinge body; the rotating shaft member includes a fitting part for coaxially and fixedly sleeving the movable part and a rotating part for coaxially sleeving the connecting part and relatively rotating and cooperating, and the rotating part makes a synchronous fixed-axis rotation movement in the inner cavity of the connecting part as the male hinge body rotates around the female hinge body.

[0005] Further, one movable part is formed on one side of the male hinge body, and two connecting parts are formed on one side of the female hinge body. Among them, an avoidance groove for accommodating and placing this movable part is formed between the two connecting parts of the female hinge body.

[0006] Further, the rotating shaft member includes two rotating shafts arranged coaxially and oppositely and a fixing member for connecting and fixing the two rotating shafts. Among them, an installation cavity extending along the length direction of the fixing member is formed in the fixing member, and the two rotating shafts are respectively inserted at both ends of the installation cavity.

[0007] Further, it further includes at least one sealing spring piece coaxially sleeved at the end of the rotating part.

[0008] Further, it further includes at least one sealing gasket coaxially sleeved at the end of the rotating part.

[0009] Further, at the port of the inner cavity of the connecting part, there is also a sealing end cover for fitting and sealing the port.

[0010] Further, a plurality of mounting holes for the preset screws to pass through and connect are provided on both the male hinge body and the female hinge body.

[0011] By adopting the above solution, the beneficial effect of the present utility model is that by defining the positions of the male hinge body and the rotating shaft part, the male hinge body drives the rotating shaft part to rotate relative to the female hinge body together, reducing the rotational frictional force on the male hinge body, reducing the generation of rotational torque while improving the use stability and service life of the vehicle door hinge; the sealing spring piece, the sealing gasket and the sealing end cover cooperate to achieve the sealed assembly between the rotating shaft part and the male hinge body. Description of the Drawings

[0012] Figure 1 It is a schematic structural view of the present utility model.

[0013] Figure 2 It is a schematic structural view of the present utility model in an open state.

[0014] Figure 3 It is a schematic structural view of the present utility model in another open state.

[0015] Figure 4 It is a schematic structural view of the female hinge body in the present utility model.

[0016] Figure 5 It is a schematic view of the cooperation between the male hinge body and the rotating shaft part in the present utility model.

[0017] Figure 6 It is a schematic structural view of the rotating shaft part in the present utility model.

[0018] Wherein, 1 - male hinge body, 11 - movable part, 2 - female hinge body, 21 - connecting part, 22 - clearance groove, 3 - rotating shaft part, 31 - fitting part, 32 - rotating part, 301 - rotating shaft, 302 - fixing part, 3021 - installation cavity, 4 - sealing spring piece, 5 - sealing gasket, 6 - sealing end cover, 7 - mounting hole. Detailed Embodiments

[0019] To facilitate the understanding of the present utility model, the present utility model will be described more comprehensively below with reference to the accompanying drawings. The preferred embodiments of the present utility model are shown in the drawings. However, the present utility model can be implemented in many different forms and is not limited to the embodiments described herein. These embodiments are provided to make the disclosure of the present utility model more thorough and comprehensive.

[0020] The implementation details of the technical solutions of the embodiments of the present utility model are elaborated in detail below: For the convenience of those skilled in the art to understand, Figure 5 and 6 partial perspective views are used in the Figure 5 to illustrate. The dotted lines in the Figure 6 represent the perspective part of the housing of the male hinge body 1, and the dotted lines in the

[0021] represent the perspective part of the housing of the fixing member 302. Figure 1 Refer to Figure 3 to

[0022] As shown, an assembly structure of an automobile door hinge in this embodiment includes a male hinge body 1 and a female hinge body 2 that are respectively connected and fixed to an automobile door and a vehicle body, and the male hinge body 1 and the female hinge body 2 are rotatably connected by a rotating shaft member 3. Among them, at least one movable part 11 and a connecting part 21 are respectively formed on one side of the male hinge body 1 and the female hinge body 2, and the rotating shaft member 3 is correspondingly formed with a fitting part 31 for coaxially fixing and sleeving the movable part 11 (that is, the fitting part 31 is fitted and fixed in the inner cavity of the movable part 11), and a rotating part 32 for coaxially sleeving the connecting part 21 and relatively rotating (that is, the connecting part 21 is coaxially movably sleeved on the rotating part 32). Specifically, when the car door is opened or closed, it drives the male hinge body 1 to rotate around the female hinge body 2, so that the movable part 11 drives the fitting part 31 of the rotating shaft member 3, and then drives the rotating part 32 to rotate synchronously with the male hinge body 1, so that the rotating part 32 rotates coaxially in the inner cavity of the connecting part 21. In addition, a plurality of mounting holes 7 for the preset screws to pass through and connect are provided on both the male hinge body 1 and the female hinge body 2 to strengthen the connection between the female hinge body 2 and the vehicle body and between the male hinge body 1 and the car door.

[0023] Thus, the male hinge body 1 drives the rotating shaft member 3 to rotate relative to the female hinge body 2 together, greatly reducing the rotational friction force and the generation of rotational torque of the male hinge body 1, reducing the possibility of wear and deformation of the male hinge body 1, maintaining the stability of the relative opening and closing actions between the car door and the vehicle body during long-term use, and further improving the use stability and service life of the automobile door hinge. Figure 4 Refer to Figure 5As shown, the installation positions, installation quantities, and specifications of the movable part 11 and the connecting part 21 are set according to actual production needs, and can be set at the head, middle, and tail positions on any one side of the male hinge body 1 / female hinge body 2, which are not limited here. In order to enable the male hinge body 1 to better rotate relative to the female hinge body 2 and be restricted by the female hinge body 2 to prevent it from coming out, in this embodiment, there is one movable part 11, and the movable part 11 is a hollow sleeve protruding and formed at the middle position on one side of the male hinge body 1; there are two connecting parts 21, and the two connecting parts 21 are hollow sleeves protruding and formed at the two ends of the female hinge body 2 on the side opposite to the movable part 11, and the female hinge body 2 has a clearance groove 22 for accommodating the movable part 11 between the two connecting parts 21 so that the movable part 11 can be butted and placed in the clearance groove 22 during assembly, and then the rotating shaft part 3 is inserted and installed in the inner cavities of the movable part 11 and the connecting part 21. Thus, when the male hinge body 1 rotates around the female hinge body 2, the movable part 11 can rotate freely.

[0024] Refer to the attached Figure 6 As shown, in this embodiment, the rotating shaft part 3 and the male hinge body 1 can be integrally formed, but for the convenience of production and assembly, here the rotating shaft part 3 adopts a split design, including two rotating shafts 301 arranged coaxially and oppositely, and a fixing part 302 for connecting and fixing the two rotating shafts 301. Specifically, the rotating shaft 301 adopts an adjusting bolt; the fixing part 302 adopts a stainless steel M5 nut sleeve, and an installation cavity 3021 extending along its length direction is formed in the nut sleeve. Inserting and fixing the two adjusting bolts at both ends of the installation cavity 3021 constitutes the rotating shaft part 3. Thus, under the fastening action of the fixing part 302, the two rotating shafts 301 are closely connected, and an elastic connection is formed among the fixing part 302 and the two rotating shafts 301, with high connection strength and connection accuracy, good shock resistance and wear resistance, greatly improving the service life of the rotating shaft part 3 and enhancing the use stability of the vehicle door hinge.

[0025] Furthermore, to ensure good sealing between the male hinge body 1 and the female hinge body 2, in this embodiment, at the ports (i.e., the top and bottom) of the inner cavity of the connecting part 21, there is a sealing end cover 6 for fitting and sealing the port, and the sealing end cover 6 is closely attached to the top surface or the bottom surface of the rotating part 32 to reduce the generation of gaps, thereby achieving a better sealing effect.

[0026] Further, at least one sealing spring piece 4 and / or sealing gasket 5 are coaxially sleeved at the end position of the rotating part 32 to achieve a more effective sealing effect. Specifically, the sealing spring piece 4 in this embodiment adopts a corrugated spring piece. Since the corrugated spring piece has a certain elasticity and resilience, the corrugated spring piece can adapt to various complex shapes to reduce assembly deviation; at the same time, the corrugated spring piece also has a certain shock-absorbing effect, which can slow down the impact generated when the car door is opened or closed, reduce the damage of the male hinge body 1, and maintain the stability of the relative opening and closing movement between the car door and the vehicle body. More specifically, the sealing gasket 5 in this embodiment is arranged between the corrugated spring piece and the fixing piece 302 to enhance the sealing. Thus, the sealing assembly between the rotating shaft member 3 and the male hinge body 1 is realized through the cooperation of the sealing spring piece 4, the sealing gasket 5 and the sealing end cover 6.

[0027] The above-described embodiments are only the preferred embodiments of the present invention, and do not impose any form of limitation on the present invention. Any person skilled in the art, without departing from the scope of the technical solution of the present invention, makes more possible changes and refinements or modifications to the technical solution of the present invention by using the technical content disclosed above, which are all equivalent embodiments of the present invention. Therefore, all equivalent changes made according to the idea of the present invention without departing from the content of the technical solution of the present invention shall be covered by the protection scope of the present invention.

Claims

1. An assembly structure for a car door hinge, characterized in that: The invention comprises a male hinge body (1) and a female hinge body (2), wherein the male hinge body (1) is rotatably connected to the female hinge body (2) via a rotating shaft (3), wherein at least one movable part (11) and a connecting part (21) are respectively formed on one side of the male hinge body (1) and the female hinge body (2); the rotating shaft (3) comprises a fitting part (31) on which the movable part (11) is coaxially fixedly sleeved, and a rotating part (32) on which the connecting part (21) is coaxially sleeved and relatively rotatably matched, and the rotating part (32) performs a synchronous fixed-axis rotational movement in the inner cavity of the connecting part (21) as the male hinge body (1) rotates around the female hinge body (2).

2. The assembly structure of an automobile door hinge according to claim 1, characterized in that: The male hinge body (1) is formed with a movable portion (11) on one side, and the female hinge body (2) is formed with two connecting portions (21) on one side, wherein the female hinge body (2) is formed with a space-avoiding groove (22) between the two connecting portions (21) for accommodating the movable portion (11).

3. The assembly structure of an automobile door hinge according to claim 1, characterized in that: The rotating shaft member (3) comprises two rotating shafts (301) arranged coaxially and oppositely, and a fixing member (302) for connecting and fixing the two rotating shafts (301), wherein the fixing member (302) is formed with a mounting cavity (3021) extending along its length direction, and the two rotating shafts (301) are respectively plugged into two ends of the mounting cavity (3021).

4. The assembly structure of an automobile door hinge according to claim 1, characterized in that: It also includes at least one sealing spring sheet (4) coaxially sleeved on the end of the rotating portion (32).

5. The assembly structure of an automobile door hinge according to claim 1, characterized in that: It also includes at least one sealing gasket (5) coaxially sleeved on the end of the rotating part (32).

6. The assembly structure of an automobile door hinge according to claim 1, characterized in that: A sealing end cover (6) for engaging and sealing the port is also provided at the port of the inner cavity of the connecting portion (21).

7. The assembly structure of an automobile door hinge according to claim 1, characterized in that: The male hinge body (1) and the female hinge body (2) are both provided with a plurality of mounting holes (7) for preset screws to pass through for connection.

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