Vehicle door hinge and vehicle

By designing the hinge cover and sealing edge of the door hinge, the problem of lax sealing of the door exterior hinge is solved, the body appearance quality and waterproof sealing performance are improved, and the user experience is improved.

CN222595799UActive Publication Date: 2025-03-11GREAT WALL MOTOR CO LTD
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Patent Information

Application Number
CN202420619349.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-28
Publication Date
2025-03-11
Estimated Expiration
2034-03-28

AI Technical Summary

Technical Problem

The hinges on the exterior of the car door are not tightly sealed, which affects the appearance quality of the car body and is prone to water leakage in daily use, affecting the user experience.

Method used

A door hinge is designed, including a fixed end hinge, a movable end hinge and a hinge cover. The hinge cover is equipped with a sealing edge to seal the hinge arm when the door is opened and closed, avoiding movement gaps and preventing water leakage.

Benefits of technology

Through the design of the hinge cover plate, the exposure of the fixed end hinge is avoided, and the appearance quality of the car body is improved. At the same time, the design of the sealing edge eliminates the movement gap between the hinge arm and the avoidance groove, improves the waterproof sealing performance, and improves the user experience.

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Abstract

The utility model provides a vehicle door hinge which comprises a fixed end hinge, a movable end hinge and a hinge cover plate. The fixed end is hinged to the automobile body metal plate; the movable end hinge is connected to the automobile door metal plate, a hinge arm is arranged on the movable end hinge, and the hinge arm is hinged to the fixed end hinge; the hinge cover plate is connected to the upper portion of the fixed end hinge in a shielding mode and attached to the automobile body metal plate in a sealed mode, and an avoiding groove is formed in the hinge cover plate and used for avoiding the hinge arm. The hinge cover plate is provided with a first sealing edge, the first sealing edge is continuously arranged along the boundary of the receding groove, and the first sealing edge abuts against the hinge arm in a sealed mode all the time. According to the vehicle door hinge provided by the utility model, the first sealing edge and the hinge arm are kept in sealed butt joint, so that a movement gap between the hinge arm and the avoiding groove can be eliminated, and the phenomenon of water leakage between the hinge arm and the avoiding groove in the opening and closing processes of a vehicle door is avoided, so that the waterproof sealing performance is improved, and the use experience is improved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of vehicle body connecting parts, and in particular relates to a vehicle door hinge and a vehicle. Background Art

[0002] As the connecting part between the door and the body, the structural rationality of the hinge is not only related to the stability of the door connection, but also to the sealing effect of the door gap, especially for the door structure that requires external hinges, such as the top-opening or side-opening tailgate and butterfly door of some models. Since the hinge is a moving part, it cannot be completely covered. Therefore, the hinge is arranged on the roof sheet metal or side sheet metal and the structure is exposed, which not only affects the appearance quality of the body, but also in daily use, the hinge movement position is prone to water leakage, affecting the user experience. Utility Model Content

[0003] The embodiment of the utility model provides a vehicle door hinge, which aims to solve the problem of poor sealing of the exterior hinge of the vehicle door and improve the appearance quality of the vehicle body.

[0004] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: in the first aspect, a door hinge is provided, comprising:

[0005] The fixed end hinge is connected to the body sheet metal;

[0006] The movable end hinge is connected to the door sheet metal, and a hinge arm is provided on the movable end hinge, and the hinge arm is hinged to the fixed end hinge;

[0007] A hinge cover plate is connected above the fixed end hinge and is sealed with the body sheet metal. An avoidance groove is provided on the hinge cover plate, and the avoidance groove is suitable for the hinge arm to extend into;

[0008] Wherein, a first sealing edge is provided on the hinge cover plate, the first sealing edge is continuously arranged along the boundary of the avoidance groove, and the first sealing edge is always in sealing contact with the hinge arm.

[0009] In combination with the first aspect, in a possible implementation, the first sealing edge is a flexible sealing strip; wherein, when the vehicle door is closed, the first sealing edge seals against the top wall of the hinge arm; when the vehicle door is opened, the first sealing edge seals against the side wall of the hinge arm.

[0010] In some embodiments, the hinge cover is provided with a second sealing edge on the boundaries on both sides of the mouth of the avoidance groove, the second sealing edge is connected to the first sealing edge, and the second sealing edge presses against the door seam sealing strip between the body sheet metal and the door sheet metal.

[0011] Furthermore, a third sealing edge is provided on the hinge cover plate, the third sealing edge is connected to the second sealing edge, and the third sealing edge is sealed against the body sheet metal; wherein the third sealing edge, the second sealing edge and the first sealing edge form a closed loop along the boundary of the hinge cover plate.

[0012] Exemplarily, the first sealing edge, the second sealing edge and the third sealing edge all include a first lip edge and a second lip edge; wherein the first lip edge is connected to the boundary of the hinge cover plate, the second lip edge of the first sealing edge is sealingly abutted against the hinge arm, the second lip edge of the second sealing edge is sealingly abutted against the door seam sealing strip, and the second lip edge of the third sealing edge is sealingly abutted against the upper surface of the vehicle body sheet metal.

[0013] For example, the lower plate surface of the hinge cover plate is provided with a convex rib, which continuously extends along the boundary of the hinge cover plate to form a closed loop, and the convex rib is in contact with the upper surface of the first lip.

[0014] In combination with the first aspect, in a possible implementation, the hinge cover has two connecting ears, the two connecting ears are respectively located on both sides of the avoidance groove, and two supports are provided on the fixed end hinge, and the two supports are respectively connected to one of the connecting ears.

[0015] In some embodiments, a hinge seat is provided on the fixed end hinge, the hinge seat is located between the two connecting ears, and the hinge seat is hinged to the hinge arm.

[0016] Exemplarily, at least one connecting hole is provided on the fixed end hinge and the movable end hinge at locations on both sides of the hinge arm.

[0017] The beneficial effect of the vehicle door hinge provided by the utility model is that compared with the prior art, the vehicle door hinge of the utility model, the movable end hinge connected to the vehicle door sheet metal is hinged with the fixed end hinge connected to the vehicle body sheet metal through the hinge arm, thereby realizing the opening and closing action of the vehicle door, and on this basis, by arranging a hinge cover plate to cover the fixed end hinge, it is possible to avoid exposure of the fixed end hinge, thereby improving the appearance quality of the vehicle body; the avoidance groove opened on the hinge cover plate can allow the swinging hinge arm to extend when opening the vehicle door, thereby avoiding movement interference between the hinge arm and the hinge cover plate, ensuring the quietness of the vehicle door opening and closing, and at the same time, utilizing the first sealing edge continuously arranged along the boundary of the avoidance groove to maintain a sealed abutment with the hinge arm, which can eliminate the movement gap between the hinge arm and the avoidance groove, and avoid water leakage between the hinge arm and the avoidance groove during the opening and switching of the vehicle door, thereby improving the waterproof sealing performance and enhancing the user experience.

[0018] In a second aspect, an embodiment of the utility model further provides a vehicle, comprising the above-mentioned door hinge.

[0019] Compared with the prior art, the vehicle provided by the utility model adopts the above-mentioned door hinge, and the fixed end hinge is shielded by the hinge cover plate, which can avoid the fixed end hinge from being exposed, thereby improving the appearance quality of the vehicle body, and on this basis, the first sealing edge is used to maintain a sealed abutment with the hinge arm to eliminate the movement gap between the hinge arm and the avoidance groove, thereby avoiding water leakage between the hinge arm and the avoidance groove during the opening and closing of the door, thereby improving the waterproof sealing performance and enhancing the user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A schematic diagram of the three-dimensional structure of a door hinge provided by an embodiment of the utility model;

[0021] Figure 2 A schematic diagram of the exploded structure of a vehicle door hinge (excluding the sealing edge) provided in an embodiment of the utility model;

[0022] Figure 3 A schematic diagram of the three-dimensional structure of each sealing edge used in the embodiment of the utility model;

[0023] Figure 4 For along Figure 3 Schematic diagram of the cross-sectional structure along line AA.

[0024] In the figure: 10, fixed end hinge; 11, support; 12, hinge seat; 13, connecting hole; 20, movable end hinge; 21, hinge arm; 30, hinge cover plate; 301, first sealing edge; 3011, first lip edge; 3012, second lip edge; 302, second sealing edge; 303, third sealing edge; 31, avoidance groove; 32, convex rib; 33, connecting ear. DETAILED DESCRIPTION

[0025] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0026] It should be noted that when an element is referred to as being "disposed on" another element, it can be directly on another element or indirectly on another element. It should be understood that the orientation or positional relationship indicated by the terms "length", "width", "upper", "lower", "front", "back", "top", "bottom", "inside", "outside", etc. is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application. The terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" and "several" is two or more, unless otherwise clearly and specifically defined.

[0027] Please also read Figure 1 and Figure 2 Now, the vehicle door hinge provided by the utility model is described. The vehicle door hinge comprises a fixed end hinge 10, a movable end hinge 20, and a hinge cover plate 30; the fixed end hinge 10 is connected to the vehicle body sheet metal; the movable end hinge 20 is connected to the vehicle door sheet metal, and a hinge arm 21 is provided on the movable end hinge 20, and the hinge arm 21 is hinged to the fixed end hinge 10; the hinge cover plate 30 is shielded and connected above the fixed end hinge 10 and is sealed with the vehicle body sheet metal, and an avoidance groove 31 is provided on the hinge cover plate 30, and the avoidance groove 31 is used to avoid the hinge arm 21; wherein, a first sealing edge 301 is provided on the hinge cover plate 30, and the first sealing edge 301 is continuously arranged along the boundary of the avoidance groove 31, and the first sealing edge 301 is always in contact with the hinge arm 21.

[0028] It should be explained that the door hinge in this embodiment belongs to an exterior structure, which is suitable for butterfly door models and some tailgate side-opening or top-opening models. Therefore, the body sheet metal is specifically a roof sheet metal or a side panel sheet metal. The position where the fixed end hinge 10 is connected to the body sheet metal should have an open groove that can avoid the hinge arm 21. Usually, it is because of this that it is easy to cause water leakage. In this embodiment, after the fixed end hinge 10 is fixed to the body sheet metal, the fixed end hinge 10 is covered by a hinge cover plate 30, and the avoidance groove 31 can be used to ensure that the hinge arm 21 can swing into the avoidance groove 31 when the door is opened, so as to avoid interfering with the movement of the hinge arm 21; the existence of the hinge cover plate 30 enables other positions except the avoidance groove 31 to be sealed. On this basis, a first sealing strip is set along the boundary of the avoidance groove 31, and the first sealing strip is used to maintain a sealed contact with the hinge arm 21, so that the movement gap between the hinge arm 21 and the avoidance groove 31 is also sealed, thereby avoiding water leakage during the door opening and closing process.

[0029] It should be understood that the movable end hinge 20 can be connected to the fixed end hinge 10 by extending the length of the hinge arm 21 beyond the boundary of the door sheet metal, due to the existence of the hinge arm 21. Therefore, the movable end hinge 20 can be directly fixed to the inner panel of the door sheet metal to avoid being exposed.

[0030] In this embodiment, the hinge cover plate 30 can be pasted on the outer surface of the vehicle body sheet metal to achieve sealing, or it can be based on a sealing strip, a sealing gasket or other sealing parts to achieve a pressure seal between the vehicle body sheet metal; the hinge cover plate 30 and the fixed end hinge 10 can be connected by screwing, riveting or other detachable connection methods, or the hinge cover plate 30 can be welded, bonded or directly integrally formed on the fixed end hinge 10.

[0031] Compared with the prior art, the vehicle door hinge provided in this embodiment is characterized in that the movable end hinge 20 connected to the vehicle door sheet metal is hinged to the fixed end hinge 10 connected to the vehicle body sheet metal through the hinge arm 21, thereby realizing the opening and closing action of the vehicle door. On this basis, the fixed end hinge 10 is shielded by setting a hinge cover plate 30, which can avoid the fixed end hinge 10 from being exposed, thereby improving the appearance quality of the vehicle body; the avoidance groove 31 opened on the hinge cover plate 30 can allow the swinging hinge arm 21 to extend when the vehicle door is opened, thereby avoiding movement interference between the hinge arm 21 and the hinge cover plate 30, ensuring the quietness of the vehicle door opening and closing, and at the same time, the first sealing edge 301 continuously set along the boundary of the avoidance groove 31 is used to maintain a sealed contact with the hinge arm 21, which can eliminate the movement gap between the hinge arm 21 and the avoidance groove 31, and avoid water leakage between the hinge arm 21 and the avoidance groove 31 during the opening and closing of the vehicle door, thereby improving the waterproof sealing performance and enhancing the user experience.

[0032] It should be noted that the first sealing edge 301 is a flexible sealing strip; when the door is closed, the first sealing edge 301 seals against the top wall of the hinge arm 21; when the door is opened, the first sealing edge 301 seals against the side wall of the hinge arm 21.

[0033] When the vehicle door is closed, the first sealing edge 301 directly presses against the top wall of the hinge arm 21 to form a seal. When the vehicle door is opened, the hinge arm 21 swings upward and extends into the avoidance groove 31. At this time, the first sealing strip is squeezed and deformed to form a sealing contact with the side wall of the hinge arm 21. At the same time, the part of the first sealing strip located at the bottom of the avoidance groove 31 still presses against the end top wall of the hinge arm 21. In other words, by utilizing the flexible deformation ability of the first sealing strip, the first sealing strip can always maintain a contact and sealing state with the hinge arm 21 during the opening and closing movement of the vehicle door, thereby avoiding water leakage.

[0034] In some embodiments, see Figures 1 to 3The hinge cover plate 30 is provided with a second sealing edge 302 on the boundaries of both sides of the mouth of the avoidance groove 31, the second sealing edge 302 is connected to the first sealing edge 301, and the second sealing edge 302 is pressed against the door seam sealing strip between the body sheet metal and the door sheet metal.

[0035] Since the fixed-end hinge 10 needs to be located near the boundary of the vehicle body sheet metal, there is a door gap at this location, and in order to avoid water leakage from the door gap when the door is closed, a door gap sealing strip is provided on the boundary of the door sheet metal and / or the boundary of the vehicle body sheet metal. In order to avoid water leakage from the installation part of the fixed-end hinge 10 into the door gap, a second sealing edge 302 connected to the first sealing edge 301 is provided on the side of the hinge cover plate 30 facing the boundary of the vehicle body sheet metal (that is, on both sides of the mouth of the avoidance groove 31), so that when the door is closed, the second sealing edge 302 can be pressed against the door gap sealing strip to form a waterproof seal, thereby improving the sealing of the door in the closed state.

[0036] On the basis of the above, if Figure 1 and Figure 3 As shown, a third sealing edge 303 is provided on the hinge cover plate 30, the third sealing edge 303 is connected to the second sealing edge 302, and the third sealing edge 303 is sealed against the body sheet metal; wherein the third sealing edge 303, the second sealing edge 302, and the first sealing edge 301 form a closed loop along the boundary of the hinge cover plate 30.

[0037] The sealing between the hinge cover 30 and the body sheet metal is achieved by the sealing abutment between the third sealing edge 303 and the body sheet metal. Since the third sealing edge 303 is connected to the second sealing edge 302, a closed-loop sealing structure is formed on the boundary path of the hinge cover 30, thereby improving the sealing and waterproof performance.

[0038] Specifically, see Figure 3 and Figure 4 In this embodiment, the first sealing edge 301, the second sealing edge 302, and the third sealing edge 303 all include a first lip edge 3011 and a second lip edge 3012; wherein the first lip edge 3011 is connected to the boundary position of the hinge cover plate 30; the second lip edge 3012 of the first sealing edge 301 is sealed against the hinge arm 21, the second lip edge 3012 of the second sealing edge 302 is sealed against the door seam sealing strip, and the second lip edge 3012 of the third sealing edge 303 is sealed against the upper surface of the vehicle body sheet metal.

[0039] The cross-section of each sealing edge can be understood as a Z-shaped structure, wherein the first lip edge 3011 is below the hinge cover plate 30 and forms an overlapping fit with the hinge cover plate 30. Specifically, the upper surface of the first lip edge 3011 is sealed and connected to the lower plate surface of the hinge cover plate 30. On this basis, the lower surface of the second lip edge 3012 of each sealing edge is used to correspondingly abut against the body sheet metal, the door seam sealing strip and the hinge arm 21, thereby blocking the path of water leakage toward the door seam and the avoidance groove 31, thereby improving the waterproof sealing effect.

[0040] For some possible implementations, see Figure 2 and Figure 4 The lower plate surface of the hinge cover plate 30 is provided with a convex rib 32 , which continuously extends along the boundary of the hinge cover plate 30 to form a closed loop, and the convex rib 32 is sealed and connected to the first lip edge 3011 .

[0041] The convex rib 32 that continuously extends to form a closed-loop structure can reduce the contact area between the hinge cover 30 and the first lip 3011, and helps the first lip 3011 to deform appropriately under the pressure of the convex rib 32, thereby improving the tightness between the first lip 3011 and the convex rib 32 and further improving the sealing performance.

[0042] Figure 2 The figure shows a specific connection structure of the hinge cover plate 30 , the hinge cover plate 30 has two connection ears 33 , the two connection ears 33 are respectively located on both sides of the avoidance groove 31 , and two supports 11 are provided on the fixed end hinge 10 , and the two supports 11 are respectively connected to one of the connection ears 33 .

[0043] The two connecting ears 33 are used to connect the two supports 11 accordingly to achieve a detachable connection between the hinge cover plate 30 and the fixed end hinge 10, which facilitates the disassembly and assembly of the hinge cover plate 30 to replace each sealing edge; specifically, the support 11 and the connecting ears 33 can be screwed and fixed by fasteners along the extension direction of the hinge arm 21, so that after opening the vehicle door, a tool can be inserted into the gap between the hinge cover plate 30 and the fixed end hinge 10 to screw the fasteners to achieve disassembly and assembly of the hinge cover plate 30, which is simple and convenient to operate.

[0044] It should be noted that see Figure 2In this embodiment, a hinge seat 12 is provided on the fixed end hinge 10, and the hinge seat 12 is located between the two connecting ears 33, and the hinge seat 12 is hinged to the hinge arm 21. The hinge seat 12 is connected to the hinge arm 21 through a hinge axis. It should be noted that the hinge arm 21 and the hinge seat 12 abut against each other along the axial direction of the hinge axis, and the abutting surfaces of the two can be vertical surfaces or inclined surfaces. The specific structure can be determined according to the actual opening angle of the door. For example, the hinge axis used by the upward-opening back door is a horizontal axis, the hinge axis used by the side-opening back door is a vertical axis, and the hinge axis used by the butterfly door is an inclined axis, which respectively meets the opening angle requirements of the butterfly door.

[0045] For explanation, see Figure 1 At least one connection hole 13 is provided on the fixed end hinge 10 and the movable end hinge 20 at the locations on both sides of the hinge arm 21. The fixed end hinge 10 can be screwed or riveted to the body sheet metal by fasteners passing through the connection holes 13 provided thereon, and the movable end hinge 20 can be screwed or riveted to the door sheet metal by fasteners passing through the connection holes 13 provided thereon, and the connection method is simple and reliable.

[0046] Based on the same inventive concept, an embodiment of the present application also provides a vehicle, comprising the above-mentioned door hinge.

[0047] Compared with the prior art, the vehicle provided by the utility model adopts the above-mentioned door hinge, and the fixed end hinge 10 is shielded by the hinge cover plate 30, which can avoid the fixed end hinge 10 from being exposed, thereby improving the appearance quality of the vehicle body. On this basis, the first sealing edge 301 is used to maintain a sealed abutment with the hinge arm 21 to eliminate the movement gap between the hinge arm 21 and the avoidance groove 31, and avoid water leakage between the hinge arm 21 and the avoidance groove 31 during the opening and closing process of the door, thereby improving the waterproof sealing performance and enhancing the user experience.

[0048] 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 and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A door hinge, characterized in that: include: A fixed end hinge (10) connected to the body sheet metal; A movable end hinge (20) is connected to the door sheet metal, the movable end hinge (20) is provided with a hinge arm (21), and the hinge arm (21) is hinged to the fixed end hinge (10); A hinge cover plate (30) is connected to the top of the fixed end hinge (10) and is sealed with the body sheet metal. The hinge cover plate (30) is provided with an avoidance groove (31), and the avoidance groove (31) is used to avoid the hinge arm (21); wherein, the hinge cover plate (30) is provided with a first sealing edge (301), and the first sealing edge (301) is continuously arranged along the boundary of the avoidance groove (31), and the first sealing edge (301) is always in contact with the hinge arm (21).

2. The vehicle door hinge according to claim 1, characterized in that: The first sealing edge (301) is a flexible sealing strip; when the vehicle door is closed, the first sealing edge (301) seals against the top wall of the hinge arm (21); when the vehicle door is opened, the first sealing edge (301) seals against the side wall of the hinge arm (21).

3. The door hinge according to claim 1, characterized in that: The hinge cover plate (30) is provided with a second sealing edge (302) on the boundaries of both sides of the mouth of the avoidance groove (31); the second sealing edge (302) is connected to the first sealing edge (301), and the second sealing edge (302) is pressed against the door gap sealing strip between the vehicle body sheet metal and the vehicle door sheet metal.

4. The vehicle door hinge according to claim 3, characterized in that: The hinge cover plate (30) is provided with a third sealing edge (303), the third sealing edge (303) is connected to the second sealing edge (302), and the third sealing edge (303) is sealed against the body sheet metal; wherein the third sealing edge (303), the second sealing edge (302), and the first sealing edge (301) form a closed loop along the boundary of the hinge cover plate (30).

5. The vehicle door hinge according to claim 4, characterized in that: The first sealing edge (301), the second sealing edge (302), and the third sealing edge (303) all include a first lip edge (3011) and a second lip edge (3012); wherein the first lip edge (3011) is connected to the boundary position of the hinge cover plate (30), the second lip edge (3012) of the first sealing edge (301) is sealed against the hinge arm (21), the second lip edge (3012) of the second sealing edge (302) is sealed against the door seam sealing strip, and the second lip edge (3012) of the third sealing edge (303) is sealed against the upper surface of the vehicle body sheet metal.

6. The vehicle door hinge according to claim 5, characterized in that: The lower plate surface of the hinge cover plate (30) is provided with a convex rib (32), and the convex rib (32) extends continuously along the boundary of the hinge cover plate (30) to form a closed loop, and the convex rib (32) is in contact with the upper surface of the first lip edge (3011).

7. The vehicle door hinge according to claim 1, characterized in that: The hinge cover plate (30) has two connecting ears (33), and the two connecting ears (33) are respectively located on both sides of the avoidance groove (31). The fixed end hinge (10) is provided with two supports (11), and the two supports (11) are respectively connected to one of the connecting ears (33).

8. The vehicle door hinge according to claim 7, characterized in that: The fixed end hinge (10) is provided with a hinge seat (12), the hinge seat (12) is located between the two connecting ears (33), and the hinge seat (12) is hinged to the hinge arm (21).

9. The vehicle door hinge according to any one of claims 1 to 8, characterized in that: The fixed end hinge (10) and the movable end hinge (20) are each provided with at least one connection hole (13) at locations located on both sides of the hinge arm (21).

10. A vehicle, characterized in that The invention comprises a vehicle door hinge as claimed in any one of claims 1 to 9.