Automobile door hinge

By introducing a limiting and sealing mechanism into the automotive door hinge, the problems of inconvenient assembly and poor stability of the locking components are solved, achieving stable connection and protection of the hinge shaft.

CN223794033UActive Publication Date: 2026-01-13CHONGQING KAI AN ELECTRICAL MFG CO LTD
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Patent Information

Application Number
CN202423318287.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2026-01-13
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

The existing automotive door hinges have horizontally connected locking components that are inconvenient to assemble, resulting in poor stability between the door leaf and the hinge shaft. Furthermore, the top of the hinge shaft is exposed to the outside and is susceptible to dust and debris.

Method used

An automotive door hinge was designed, employing a limiting mechanism and a sealing mechanism. The limiting mechanism restricts the relative movement of the hinge shaft with the body panel and door panel through a limiting ring, a turntable, and bolts. The sealing mechanism covers the top of the hinge shaft with a cover plate and a bayonet to ensure the stability and protection of the hinge shaft.

Benefits of technology

It enables convenient disassembly and assembly of the hinge shaft and stable connection, avoids the influence of dust and debris on the top of the hinge shaft, and improves the performance of the door hinge.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an automobile door hinge, which relates to the technical field of automobile spare parts and comprises an automobile body hinge, an automobile door hinge and a hinge shaft, the automobile body hinge is hinged with the automobile door hinge through the hinge shaft, and a limiting mechanism is arranged on the hinge shaft and used for limiting the hinge shaft to be separated from the automobile body hinge and the automobile door hinge. The limiting mechanism comprises a limiting ring arranged on the hinge shaft, a first rotating disc and a second rotating disc are rotationally clamped to the limiting ring, the first rotating disc is in threaded connection with a first bolt used for limiting the first rotating disc to be separated from the automobile body page, and the second rotating disc is in threaded connection with a second bolt used for limiting the second rotating disc to be separated from the automobile door page. The top of the hinge shaft is sleeved with a sealing cover mechanism, and the sealing cover mechanism is used for sealing the hinge shaft and the top of the first bolt. The hinge shaft is convenient to disassemble and assemble, the stability of the vehicle body page and the vehicle door page connected with the hinge shaft is prevented from being affected, dust and sundries can be effectively prevented from making contact with the top of the hinge shaft, and the using effect of the vehicle door hinge is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile parts, in particular to a car door hinge. BACKGROUND

[0002] Automobile parts are various units that constitute the whole car and a kind of product serving the car, with the increasingly fierce competition in automobile parts processing market, the in-depth popularization of environmental protection concept, and the continuous upgrading and application of technology, the international automobile parts processing parts industry presents the following development characteristics in recent years: automobile parts processing system supporting, modularization supply trend is in the ascendant; Automobile parts processing procurement globalization; Automobile parts processing industry transfer speed accelerates. There are many kinds of automobile parts, and the door hinge is one of them.

[0003] In the prior art, the utility model discloses a kind of automobile door hinges with the announcement No.CN221462108U, including car body page, door page, hinged axle and locking piece, the axle hole is respectively opened in the car body page and the door page, the axle hole of the car body page is coaxially arranged with the axle hole of the door page, the hinged axle is rotatably penetrated in the axle hole of the car body page and the door page, the car body page is opened with the through hole being communicated with the axle hole of the car body page, the hinged axle is formed with the socket through slot on one side, the locking piece is detachably penetrated in the through hole and is inserted in the socket through slot, the locking piece is pressed against the groove bottom of the socket through slot, the opposite sides of the locking piece are respectively abutted on the opposite two groove walls of the socket through slot to lock the hinged axle in the axial direction of the hinged axle.

[0004] The automobile door hinge, locking piece transverse connection hinged axle is not convenient for assembly, the stability of door page connection hinged axle is poor, hinged axle top is exposed outside, for this, we propose a kind of automobile door hinge to solve the above problems. Utility model content

[0005] The utility model aims at providing a kind of automobile door hinge to solve the problems raised in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of automobile door hinge, including car body page, door page and hinged axle, car body page and door page are hinged by hinged axle, the hinged axle is equipped with limiting mechanism, the limiting mechanism is used to limit the separation of hinged axle and car body page and door page, the limiting mechanism includes the limiting ring being equipped on the hinged axle, the limiting ring is rotatably clamped with turntable one and turntable two, the screw bolt one for limiting the separation of turntable one and car body page is connected on the turntable one, the screw bolt two for limiting the separation of turntable two and door page is connected on the turntable two, the hinged axle top is covered with cover mechanism.

[0007] Preferably, the cover mechanism is used for covering the hinge shaft and the bolt.

[0008] Preferably, the cover mechanism comprises a cover plate, a first bayonet hole for sleeving the bolt is arranged on the cover plate, and a second bayonet hole for covering the hinge shaft is arranged on one side of the cover plate.

[0009] Preferably, the limiting ring is arranged between the vehicle body and the door, and the limiting ring is used for mounting the rotating disc one and the rotating disc two on the hinge shaft.

[0010] Preferably, the rotating disc one and the rotating disc two are of the same structure, the rotating disc one is arranged above the rotating disc two, and a threaded hole matched with the bolt one and the bolt two is arranged on the rotating disc one and the rotating disc two respectively.

[0011] Preferably, the bolt one and the bolt two are of the same structure, one end of the bolt one is movably arranged through the vehicle body and connected with the rotating disc one, and one end of the bolt two is movably arranged through the door and connected with the rotating disc two.

[0012] Preferably, the cover plate is made of elastic rubber material, the first bayonet hole and the second bayonet hole are arranged on the bottom of the cover plate, and an anti-skid strip is arranged on the inner side wall of the first bayonet hole.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] 1. the bottom of the hinge shaft is inserted into the door, then the bolt two is inserted, the bolt two is threadedly connected with the rotating disc two, the relative movement of the rotating disc two and the door is limited, the hinge shaft and the door are limited to be separated through the limiting ring, then the vehicle body is inserted on the hinge shaft, the bolt one is inserted, the bolt one is threadedly connected with the rotating disc one, the relative movement of the rotating disc one and the door is limited, the hinge shaft and the vehicle body are limited to be separated through the limiting ring, the rotating disc one and the rotating disc two are rotationally connected with the limiting ring, the rotation of the vehicle body or the door through the hinge shaft is avoided, the hinge shaft is convenient to disassemble and assemble, and the stability of the connection of the vehicle body and the door with the hinge shaft is avoided to be affected.

[0015] 2. after the hinge shaft is mounted, the cover plate is covered on the top of the vehicle body, the first bayonet hole is aligned with the top of the bolt one, the second bayonet hole is aligned with the top of the hinge shaft, the cover plate is sleeved on the bolt one and covered on the hinge shaft by pressing downward, dust and sundries contacting the top of the hinge shaft can be effectively avoided, and the use effect of the door hinge is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is a structural schematic view of the utility model;

[0017] Fig. 2 It is a structural schematic view of the limiting mechanism in the utility model;

[0018] Fig. 3The sealing cover mechanism structure schematic view of the utility model.

[0019] In the figure: 1, the car body page; 2, the car door page; 3, the hinge shaft; 4, the sealing cover mechanism; 41, the cover plate; 42, the bayonet one; 43, the bayonet two; 5, the limiting mechanism; 51, the limiting ring; 52, the rotating disc one; 53, the rotating disc two; 54, the bolt one; 55, the bolt two. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0021] Please refer to Figs. 1-3 A kind of automobile door hinge, including car body page 1, car door page 2 and hinge shaft 3, car body page 1 and car door page 2 are hinged by hinge shaft 3, limiting mechanism 5 is equipped on hinge shaft 3, limiting mechanism 5 is used to limit hinge shaft 3 and car body page 1 and car door page 2 separate, limiting mechanism 5 includes the limiting ring 51 that is equipped on hinge shaft 3, rotating disc one 52 and rotating disc two 53 are rotatably connected on limiting ring 51, bolt one 54 for limiting rotating disc one 52 and car body page 1 separate is screw-connected on rotating disc one 52, bolt two 55 for limiting rotating disc two 53 and car door page 2 separate is screw-connected on rotating disc two 53, limiting ring 51 is between car body page 1 and car door page 2, limiting ring 51 is used to install rotating disc one 52 and rotating disc two 53 on hinge shaft 3, rotating disc one 52 and rotating disc two 53 are same structure, rotating disc one 52 is above rotating disc two 53, rotating disc one 52 and rotating disc two 53 are respectively equipped with the screw hole that bolt one 54 and bolt two 55 are used, bolt one 54 and bolt two 55 are same structure, one end of bolt one 54 moves and is connected rotating disc one 52 and penetrates car body page 1, one end of bolt two 55 moves and is connected rotating disc two 53 and penetrates car door page 2.

[0022] hinge shaft 3 bottom is inserted into car door page 22, then bolt two 55 is inserted, bolt two 55 is screw-connected rotating disc two 53, limit rotating disc two 53 and car door page 2 relative movement, hinge shaft 3 and car door page 2 are separated by limiting ring 51, then car body page 1 is inserted on hinge shaft 3, bolt one 54 is inserted again, bolt one 54 is screw-connected rotating disc one 52, limit rotating disc one 52 and car door page 2 relative movement, hinge shaft 3 and car body page 1 are separated by limiting ring 51, rotating disc one 52 and rotating disc two 53 are rotatably connected limiting ring 51, then avoid affecting car body page 1 or car door page 2 rotation by hinge shaft 3, make it convenient to dismount hinge shaft 3, avoid affecting the stability of car body page 1 and car door page 2 connection hinge shaft 3.

[0023] The hinge shaft 3 is sleeved with a cover mechanism 4 at the top, the cover mechanism 4 is used for covering the top of the hinge shaft 3 and the bolt one 54, the cover mechanism 4 comprises a cover plate 41, the cover plate 41 is provided with a first clamping hole 42 for sleeving the top of the bolt one 54, the cover plate 41 is provided with a second clamping hole 43 for covering the top of the hinge shaft 3 at one side of the first clamping hole 42, the cover plate 41 is made of elastic rubber material, the first clamping hole 42 and the second clamping hole 43 are arranged at the bottom of the cover plate 41, the inner wall of the first clamping hole 42 is provided with an anti-skid strip, and the inner wall of the second clamping hole 43 is provided with a smooth coating.

[0024] After the hinge shaft 3 is installed, the cover plate 41 is covered on the top of the vehicle body page 1, the first clamping hole 42 is aligned with the top of the bolt one 54, the second clamping hole 43 is aligned with the top of the hinge shaft 3, and the cover plate 41 is sleeved on the bolt one 54 and covers the hinge shaft 3 by pressing downward, so that dust and sundries can be effectively prevented from contacting the top of the hinge shaft 3, and the use effect of the door hinge is improved.

[0025] Working principle: the hinge shaft 3 is inserted into the door page 22, then the bolt two 55 is inserted, the bolt two 55 is threadedly connected with the rotating disc two 53, the relative movement of the rotating disc two 53 and the door page 2 is limited, the hinge shaft 3 is separated from the door page 2 through the limiting ring 51, then the vehicle body page 1 is inserted on the hinge shaft 3, and then the bolt one 54 is inserted, the bolt one 54 is threadedly connected with the rotating disc one 52, the relative movement of the rotating disc one 52 and the door page 2 is limited, the hinge shaft 3 is separated from the vehicle body page 1 through the limiting ring 51, the rotating disc one 52 and the rotating disc two 53 are rotationally connected with the limiting ring 51, the rotation of the vehicle body page 1 or the door page 2 through the hinge shaft 3 is avoided, the hinge shaft 3 is convenient to disassemble and assemble, the stability of the connection of the vehicle body page 1 and the door page 2 with the hinge shaft 3 is avoided to be affected, after the hinge shaft 3 is installed, the cover plate 41 is covered on the top of the vehicle body page 1, the first clamping hole 42 is aligned with the top of the bolt one 54, the second clamping hole 43 is aligned with the top of the hinge shaft 3, and the cover plate 41 is sleeved on the bolt one 54 and covers the hinge shaft 3 by pressing downward, so that dust and sundries can be effectively prevented from contacting the top of the hinge shaft 3, and the use effect of the door hinge is improved.

[0026] The vehicle body page 1, the door page 2 and the hinge shaft 3 are all prior art, and will not be repeated here.

[0027] Finally, it should be noted that: the above only for the preferred embodiments of the utility model, and not for limiting the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can be modified to the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of the technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. A motor vehicle door hinge comprising a body leaf (1), a door leaf (2) and a hinge axis (3), the body leaf (1) and the door leaf (2) being hinged by means of the hinge axis (3), characterized in that: The hinge shaft (3) is provided with a limiting mechanism (5) for limiting the separation of the hinge shaft (3) and the vehicle body page (1) and the vehicle door page (2), the limiting mechanism (5) comprises a limiting ring (51) provided on the hinge shaft (3), the limiting ring (51) is rotatably connected with a rotating disc I (52) and a rotating disc II (53), the rotating disc I (52) is threadedly connected with a bolt I (54) for limiting the separation of the rotating disc I (52) and the vehicle body page (1), the rotating disc II (53) is threadedly connected with a bolt II (55) for limiting the separation of the rotating disc II (53) and the vehicle door page (2), and the hinge shaft (3) is provided with a cover mechanism (4) at the top.

2. The automotive door hinge of claim 1, wherein: The cover mechanism (4) is used for covering the top of the hinge shaft (3) and the bolt I (54).

3. The automotive door hinge of claim 2, wherein: The cover mechanism (4) comprises a cover plate (41), the cover plate (41) is provided with a bayonet I (42) for covering the top of the bolt I (54), and the bayonet I (42) is provided with a bayonet II (43) for covering the top of the hinge shaft (3) on one side of the cover plate (41).

4. The automotive door hinge of claim 1, wherein: The limiting ring (51) is between the vehicle body page (1) and the vehicle door page (2), and the limiting ring (51) is used for mounting the rotating disc I (52) and the rotating disc II (53) on the hinge shaft (3).

5. The automotive door hinge of claim 1, wherein: The rotating disc I (52) and the rotating disc II (53) are the same structure, the rotating disc I (52) is above the rotating disc II (53), and the rotating disc I (52) and the rotating disc II (53) are respectively provided with screw holes matched with the bolt I (54) and the bolt II (55).

6. The automotive door hinge of claim 1, wherein: The bolt I (54) and the bolt II (55) are the same structure, one end of the bolt I (54) moves through the vehicle body page (1) and is connected with the rotating disc I (52), and one end of the bolt II (55) moves through the vehicle door page (2) and is connected with the rotating disc II (53).

7. The automotive door hinge of claim 3, wherein: The cover plate (41) is made of elastic rubber material, the bayonet I (42) and the bayonet II (43) are arranged on the bottom of the cover plate (41), and the inner side wall of the bayonet I (42) is provided with an anti-skid strip.

Citation Information

Patent Citations

  • Automobile door hinge

    CN221462108U