Vehicle door hinge and vehicle
By introducing a guide surface and mating part into the door hinge, the door connector moves upward during rotation, driving the rotation axial movement, solving the problem of door disassembly difficulties and achieving the effect of tool-free disassembly and appearance protection.
Patent Information
- Application Number
- CN202421188611.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-28
- Publication Date
- 2025-03-14
- Estimated Expiration
- 2034-05-28
AI Technical Summary
In the prior art, the door is difficult to disassemble, and it requires the use of disassembly tools and may cause damage to the appearance and paint surface of the door hinges.
A door hinge is designed, including a door connection, a body connection and a rotating shaft. Through the design of the guide surface and the mating part, the door connection is moved upward during rotation, driving the rotation axis to move upward, thereby reducing adhesion and friction, and realizing bottom-up disengagement of the door.
The door can be easily removed without disassembly tools, which improves the efficiency of door disassembly, and avoids damage to the appearance of the door hinges and ensures the appearance quality of the door hinges.
Smart Images

Figure CN222615084U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of vehicle doors, in particular to a vehicle door hinge and a vehicle. Background Art
[0002] In the final assembly workshop, the door needs to be disassembled to adjust the gap and surface difference between the door and the body. At present, the door is connected to the body through a door hinge, and the door hinge includes a rotating shaft.
[0003] However, due to the adjustment of the doors during the manufacturing process of the car body, the coaxiality of the upper and lower hinge shafts of the doors deteriorates. In addition, after painting and baking, the surface of the door hinges is bonded by paint, which increases the friction. This makes it difficult to disassemble the door along the shaft for the first time. During disassembly, a disassembly tool is needed to give it a large initial force to remove the door along the shaft. At the same time, the appearance and paint surface of the door hinges will also be damaged during the disassembly process. Utility Model Content
[0004] The utility model provides a vehicle door hinge and a vehicle, aiming at least to solve the technical problem of difficulty in disassembling vehicle doors in the prior art.
[0005] In a first aspect, an embodiment of the utility model provides a door hinge, comprising a door connecting member, a body connecting member and a rotating shaft, wherein the door connecting member is rotatably connected to the body connecting member via the rotating shaft, and a mounting hole is provided on the body connecting member, wherein the mounting hole is used to install a locking member, and the locking member is used to fix the rotating shaft;
[0006] The door connector includes a mating portion close to the body connector, and the body connector includes a protruding portion having a guide surface; the locking member is not installed on the mounting hole, and during the rotation of the door connector, and when the mating portion moves along the guide surface, the door connector and the rotating shaft move away from the body connector along the axial direction of the rotating shaft.
[0007] Optionally, the guide surface is an inclined surface, and an angle between the guide surface and the axial direction of the rotating shaft is greater than 0 degrees and less than 90 degrees.
[0008] Optionally, the material of the raised portion is steel.
[0009] Optionally, the vehicle body connector further comprises a main body having a limiting surface, wherein the limiting surface is used to contact the matching portion when the locking member is not installed on the mounting hole, so as to limit the rotation angle of the door connector relative to the vehicle body connector.
[0010] Optionally, the protrusion has a first end away from the main body, and the first end of the protrusion is used to contact the matching portion when the locking member is installed on the mounting hole to limit the rotation angle of the door connecting member relative to the body connecting member.
[0011] Optionally, the mounting hole is a threaded hole, the locking member includes a threaded segment, the threaded segment is used to be threadedly connected to the threaded hole, and the locking member also includes a fixing portion connected to the threaded segment, and the fixing portion is used to tighten the rotating shaft.
[0012] Optionally, the door connector further includes a first assembly portion, the first assembly portion is provided with a first axial hole for cooperating with the rotating shaft, an anti-slip ring is provided at one end of the rotating shaft, and the first assembly portion is located between the anti-slip ring and the body connector.
[0013] Optionally, the rotating shaft includes a shaft body and an annular protrusion arranged on the shaft body, and the first assembly portion is located between the anti-slip ring and the annular protrusion.
[0014] Optionally, the vehicle body connector further comprises a second assembly portion, the second assembly portion is provided with a second axial hole for cooperating with the rotating shaft, the mounting hole is communicated with the second axial hole, and the second assembly portion is located on a side of the annular protrusion away from the first assembly portion.
[0015] In a second aspect, an embodiment of the utility model provides a vehicle, comprising a door hinge as described in any one of the above items.
[0016] In the embodiment of the utility model, when the door is disassembled, the locking member is first released, and then the door is rotated to open. During the rotation of the door, the door connector rotates. During this process, when the matching portion moves along the guide surface, the door connector rotates and moves upward. When the door connector moves upward, it drives the shaft to move upward together, so that the door connector and the shaft can be separated from the body connector by a certain distance from the bottom to the top, thereby eliminating most of the adhesion between the shaft and the body connector, and reducing the friction. After that, the door connector can be completely separated from the body connector manually, and the door disassembly is simple and convenient. In addition, in the embodiment of the utility model, the door can be disassembled without disassembly tools, thereby improving the efficiency of door disassembly. In addition, during the disassembly of the door, damage to the appearance of the door hinge is also avoided, ensuring the appearance quality of the door hinge.
[0017] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model, it can be implemented in accordance with the contents of the specification. In order to make the above and other purposes, features and advantages of the utility model more obvious and easy to understand, the specific implementation methods of the utility model are listed below. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 A schematic diagram of the structure of a door hinge provided by an embodiment of the utility model Figure 1 ;
[0019] Figure 2 A schematic diagram of the structure of a door hinge provided by an embodiment of the utility model Figure 2 ;
[0020] Figure 3 for Figure 2 A schematic diagram of the enlarged structure at A in the middle;
[0021] Figure 4 A schematic diagram of the structure of a door hinge provided by an embodiment of the utility model Figure 3 ;
[0022] Figure 5 for Figure 4 A schematic diagram of the enlarged structure at B in the middle;
[0023] Figure 6 A schematic diagram of the structure of a vehicle body connecting member provided by an embodiment of the utility model;
[0024] Figure 7 A schematic diagram of the structure of the door connector provided by the embodiment of the utility model Figure 1 ;
[0025] Figure 8 A schematic diagram of the structure of the door connector provided by the embodiment of the utility model Figure 2 ;
[0026] Fig. 9 A schematic diagram of the structure of the rotating shaft provided in an embodiment of the utility model;
[0027] Fig.10 A schematic structural diagram of a locking member provided in an embodiment of the utility model.
[0028] Reference numerals:
[0029] 1-door connector, 11-matching portion, 12-first assembly portion, 121-first axial hole, 13-connecting portion, 131-first connecting hole, 2-body connector, 21-protruding portion, 211-guide surface, 212-first end, 22-main body, 221-limiting surface, 222-second connecting hole, 23-second assembly portion, 231-second axial hole, 3-rotating shaft, 31-shaft body, 32-annular protrusion, 4-locking member, 41-threaded section, 42-fixing portion, 43-mounting cap, 5-anti-slip ring. DETAILED DESCRIPTION
[0030] The exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Although the exemplary embodiments of the present invention are shown in the accompanying drawings, it should be understood that the present invention can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided to enable a more thorough understanding of the present invention and to fully convey the scope of the present invention to those skilled in the art.
[0031] First, refer to Figures 1 to 3 The embodiment of the utility model discloses a vehicle door hinge, including a vehicle door connector 1, a vehicle body connector 2 and a rotating shaft 3. The vehicle door connector 1 is rotatably connected to the vehicle body connector 2 through the rotating shaft 3. A mounting hole is provided on the vehicle body connector 2. The mounting hole is used to install a locking member 4. The locking member 4 is used to fix the rotating shaft 3. The vehicle door connector 1 includes a matching portion 11 close to the vehicle body connector 2. The vehicle body connector 2 includes a protruding portion 21. The protruding portion 21 has a guiding surface 211. The locking member 4 is not installed on the mounting hole. During the rotation of the vehicle door connector 1, and when the matching portion 11 moves along the guiding surface 211, the vehicle door connector 1 and the rotating shaft 3 move away from the vehicle body connector 2 along the axial direction of the rotating shaft 3.
[0032] Specifically, the door connector 1 is used to connect with the door, and the body connector 2 is used to connect with the body. The door connector 1 can be connected with the door by a first bolt, referring to Figure 1 and Figure 7 The door connector 1 includes a connector portion 13, and the connector portion 13 is provided with at least one first connector hole 131, and the first connector hole 131 is used for the first bolt to pass through. The body connector 2 can be connected to the body through the second bolt, and the body connector 2 includes a main body portion 22, and the main body portion 22 is provided with at least one second connector hole 222, and the second connector hole 222 is used for the second bolt to pass through.
[0033] When the door hinge is in normal use, the locking member 4 is installed on the mounting hole. At this time, the door connector 1 in the door hinge cannot be removed. When the door needs to be disassembled, the locking member 4 must be removed first. After the locking member 4 is removed, the locking member 4 is not installed on the mounting hole. The door connector 1 and the rotating shaft 3 can be taken out along the axial direction of the rotating shaft 3. The door connector 1 and the rotating shaft 3 are taken out from bottom to top.
[0034] The guide surface 211 is provided so that when the door connector 1 rotates and the mating portion 11 moves along the guide surface 211, the door connector 1 can move upward while rotating, that is, the door connector 1 can move away from the body connector 2 along the axial direction of the rotating shaft 3 while rotating. The guide surface 211 can be an inclined surface or a curved surface.
[0035] When the locking piece 4 is not installed on the mounting hole, refer to Figure 2During the process of rotating and opening the door, the door connector 1 rotates, and the matching portion 11 in the door connector 1 will first contact the protruding portion 21; then, the door connector 1 continues to rotate, and during this process, the matching portion 11 moves along the guide surface 211, and the door connector 1 moves upward while rotating, and when the door connector 1 moves upward, it will drive the rotating shaft 3 to move upward together; refer to Figure 4 When the door connecting member 1 rotates to contact the main body 22, it reaches the rotation limit and stops rotating. At this time, the door connecting member 1 and the rotating shaft 3 have moved upward for a certain distance.
[0036] In the embodiment of the utility model, when the door is disassembled, the locking member 4 is first released, and then the door is rotated to open. During the rotation of the door, the door connector 1 rotates. During this process, when the matching portion 11 moves along the guide surface 211, the door connector 1 rotates and moves upward. When the door connector 1 moves upward, it will drive the shaft 3 to move upward together, so that the door connector 1 and the shaft 3 can be separated from the body connector 2 from the bottom to the top by a certain distance, thereby eliminating most of the adhesion between the shaft 3 and the body connector 2, and reducing the friction. After that, the door connector 1 can be easily separated from the body connector 2 manually, and the door disassembly is simple and convenient. In addition, in the embodiment of the utility model, the door can be disassembled without disassembly tools, thereby improving the efficiency of door disassembly. In addition, during the disassembly of the door, damage to the appearance of the door hinge is also avoided, ensuring the appearance quality of the door hinge.
[0037] In a preferred embodiment of the present invention, referring to Figure 3 The guide surface 211 is an inclined surface, and the angle between the guide surface 211 and the axial direction of the rotating shaft 3 is greater than 0 degrees and less than 90 degrees. The inclined surface has a simple structure and is conducive to the upward movement of the door connecting member 1 during the rotation process.
[0038] In a preferred embodiment of the present invention, the material of the raised portion 21 is steel. The material of the door hinge is steel. When the material of the raised portion 21 is steel, its strength is high, and deformation of the guide surface 211 is avoided.
[0039] In a preferred embodiment of the present invention, referring to Figure 5 The body connector 2 also includes a main body 22 having a limiting surface 221. The limiting surface 221 is used to contact the matching portion 11 when the locking member 4 is not installed on the mounting hole to limit the rotation angle of the door connector 1 relative to the body connector 2.
[0040] Specifically, when the door needs to be disassembled, the locking member 4 needs to be removed first. After the locking member 4 is removed, the locking member 4 is not installed on the mounting hole, and the door connector 1 and the rotating shaft 3 can be taken out along the axial direction of the rotating shaft 3. The contact between the matching portion 11 and the limiting surface 221 can limit the rotation angle of the door when it is disassembled. When the door is disassembled, it can only be opened to the maximum until the matching portion 11 contacts the limiting surface 221.
[0041] In a preferred embodiment of the present invention, referring to Figure 3 and Figure 5 The protrusion 21 has a first end 212 away from the main body 22 , and the first end 212 of the protrusion 21 is used to contact the matching portion 11 when the locking member 4 is installed on the mounting hole to limit the rotation angle of the door connecting member 1 relative to the body connecting member 2 .
[0042] Specifically, when the door hinge is in normal use, the locking member 4 is installed on the mounting hole, and the door connector 1 in the door hinge cannot be removed. At this time, the angle of the door when it is normally opened is limited by the contact between the matching portion 11 and the first end 212 of the protruding portion 21. Under normal use, the door can only be opened to the maximum when the matching portion 11 contacts the first end 212 of the protruding portion 21.
[0043] In a preferred embodiment of the present invention, referring to Fig.10 The mounting hole is a threaded hole. The locking member 4 includes a threaded section 41 . The threaded section 41 is used to be screwed to the threaded hole. The locking member 4 also includes a fixing portion 42 connected to the threaded section 41 . The fixing portion 42 is used to tighten the rotating shaft 3 .
[0044] Specifically, the shaft body 31 is provided with knurling, and the fixing portion 42 is used to press against the knurling on the shaft body 31. The locking member 4 also includes a mounting cap 43 connected to the threaded section 41, and the mounting cap 43 protrudes from the vehicle body connector 2 to facilitate the fastening of the locking member 4. When installing the locking member 4, align the threaded section 41 with the mounting hole, and then rotate the locking member 4 by rotating the mounting cap 43 to achieve the threaded connection between the threaded section 41 and the threaded hole. In the embodiment of the utility model, the degree to which the fixing portion 42 presses against the rotating shaft 3 can be adjusted through the cooperation of the threaded section 41 and the threaded hole, and the rotating shaft 3 of different diameters can be adapted.
[0045] In a preferred embodiment of the present invention, referring to Figure 1 , Figure 8 and Fig. 9 The vehicle door connecting member 1 further comprises a first assembly portion 12, on which a first shaft hole 121 for matching with the rotating shaft 3 is formed, and an anti-slip ring 5 is disposed at one end of the rotating shaft 3, and the first assembly portion 12 is located between the anti-slip ring 5 and the vehicle body connecting member 2. The anti-slip ring 5 can prevent the vehicle door connecting member 1 from slipping out, and can make the rotating shaft 3 move upward along with the upward movement of the vehicle door connecting member 1.
[0046] In a preferred embodiment of the present invention, referring to Figure 1 and Fig. 9 The rotating shaft 3 includes a shaft body 31 and an annular protrusion 32 arranged on the shaft body 31, and the first assembly portion 12 is located between the anti-slip ring 5 and the annular protrusion 32. The arrangement of the first assembly portion 12 between the anti-slip ring 5 and the annular protrusion 32 can prevent the door connecting member 1 from shaking up and down.
[0047] In a preferred embodiment of the present invention, referring to Figure 6 The body connector 2 further includes a second assembly portion 23, on which a second shaft hole 231 for matching with the rotating shaft 3 is formed, the mounting hole is communicated with the second shaft hole 231, and the second assembly portion 23 is located on the side of the annular protrusion 32 away from the first assembly portion 12. When the second assembly portion 23 is located on the side of the annular protrusion 32 away from the first assembly portion 12, after the locking member 4 is removed, the rotating shaft 3 will not be restricted during the process of being separated from the body connector 2, which is conducive to the separation of the rotating shaft 3 from the body connector 2.
[0048] In a second aspect, the embodiment of the utility model further discloses a vehicle, comprising any one of the above-mentioned door hinges. Since the vehicle comprises the above-mentioned door hinge, it also has the beneficial effects of the above-mentioned door hinge, which will not be described in detail here.
[0049] The vehicle further includes a door and a body, wherein the door is connected to the body via a door hinge. The door hinge includes a door connector 1 and a body connector 2, wherein the door connector 1 is connected to the door, and the body connector 2 is connected to the body. Specifically, the door is connected to the body via two door hinges.
[0050] It should be noted that, in this article, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the sentence "comprises a ..." does not exclude the existence of other identical elements in the process, method, article or device including the element.
[0051] The embodiments of the utility model are described above in conjunction with the accompanying drawings, but the utility model is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the enlightenment of the utility model, ordinary technicians in this field can also make many forms without departing from the scope of protection of the utility model and the claims, which all fall within the protection of the utility model.
Claims
1. A door hinge, characterized in that: It comprises a door connecting member, a body connecting member and a rotating shaft, wherein the door connecting member is rotatably connected to the body connecting member through the rotating shaft, and the body connecting member is provided with a mounting hole, wherein the mounting hole is used to install a locking member, and the locking member is used to fix the rotating shaft; The door connector includes a mating portion close to the body connector, and the body connector includes a protruding portion having a guide surface; the locking member is not installed on the mounting hole, and during the rotation of the door connector, and when the mating portion moves along the guide surface, the door connector and the rotating shaft move away from the body connector along the axial direction of the rotating shaft.
2. The vehicle door hinge according to claim 1, characterized in that: The guide surface is an inclined surface, and an angle between the guide surface and the axial direction of the rotating shaft is greater than 0 degrees and less than 90 degrees.
3. The vehicle door hinge according to claim 1, characterized in that: The material of the raised portion is steel.
4. The vehicle door hinge according to any one of claims 1 to 3, characterized in that: The body connector also includes a main body having a limiting surface, which is used to contact the matching portion when the locking member is not installed on the mounting hole to limit the rotation angle of the door connector relative to the body connector.
5. The vehicle door hinge according to claim 4, characterized in that: The protrusion has a first end away from the main body, and the first end of the protrusion is used to contact the matching portion when the locking member is installed on the mounting hole to limit the rotation angle of the door connecting member relative to the body connecting member.
6. The vehicle door hinge according to any one of claims 1 to 3, characterized in that: The mounting hole is a threaded hole, the locking member includes a threaded section, the threaded section is used to be threadedly connected to the threaded hole, and the locking member also includes a fixing portion connected to the threaded section, and the fixing portion is used to tighten the rotating shaft.
7. The vehicle door hinge according to any one of claims 1 to 3, characterized in that: The door connector also includes a first assembly portion, which is provided with a first shaft hole for matching with the rotating shaft. An anti-slip ring is provided at one end of the rotating shaft, and the first assembly portion is located between the anti-slip ring and the vehicle body connector.
8. The vehicle door hinge according to claim 7, characterized in that: The rotating shaft includes a shaft body and an annular protrusion arranged on the shaft body, and the first assembly portion is located between the anti-slip ring and the annular protrusion.
9. The vehicle door hinge according to claim 8, characterized in that: The vehicle body connector also includes a second assembly portion, which is provided with a second axial hole for matching with the rotating shaft, the mounting hole is connected to the second axial hole, and the second assembly portion is located on a side of the annular protrusion away from the first assembly portion.
10. A vehicle, characterized in that: The vehicle door hinge comprises the vehicle door hinge as claimed in any one of claims 1 to 9.