Vehicle

Abstract

The embodiment of the utility model discloses a vehicle which comprises a vehicle body, a back door and a hinge assembly, and the vehicle body and the back door jointly define a compartment; the hinge assembly comprises a fixed arm and a rotating arm, the fixed arm is connected with the vehicle body in the compartment, the rotating arm is connected with the back door outside the compartment, the rotating arm and the fixed arm are rotatably connected about a first axis, the first axis is located outside the compartment, and the rotating arm is connected with the fixed arm. According to the embodiment of the invention, the back door of the vehicle has a larger opening angle relative to the vehicle body.

Description

Technical Field

[0001] The present application relates to the technical field of tailgates, and in particular to a hinge assembly and a vehicle. Background Art

[0002] The tailgate is used to cover the hatch of the trunk of the vehicle. Usually, the tailgate is connected to the vehicle body through a hinge assembly and rotates relative to the vehicle body via the hinge assembly.

[0003] In the related art, after the tailgate is connected to the vehicle body by a hinge assembly, when the tailgate is rotated to a certain angle relative to the vehicle body through the hinge assembly, interference will occur between the hinge assembly and the vehicle body, restricting the tailgate from continuing to rotate relative to the vehicle body, resulting in a limited rotation angle of the tailgate relative to the vehicle body. Utility Model Content

[0004] An embodiment of the present application provides a vehicle, wherein a rear door of the vehicle has a larger opening angle relative to the vehicle body.

[0005] The vehicle includes a body, a tailgate and a hinge assembly, wherein the body and the tailgate together define a vehicle compartment; the hinge assembly includes a fixed arm and a rotating arm, wherein the fixed arm is connected to the body inside the vehicle compartment, and the rotating arm is connected to the tailgate outside the vehicle compartment, and the rotating arm is rotatably connected to the fixed arm about a first axis, and the first axis is located outside the vehicle compartment.

[0006] Based on the vehicle of the embodiment of the present application, the fixed arm of the hinge assembly is connected to the vehicle body, and the rotating arm of the hinge assembly is fixedly connected to the tailgate, that is, the tailgate is rotatably connected to the vehicle body through the hinge assembly. Since the first axis of relative rotation between the fixed arm and the rotating arm is outside the vehicle body, there is no interference problem between the vehicle body and the tailgate. Therefore, the tailgate can be rotated to a larger angle relative to the vehicle body through the hinge assembly.

[0007] In some embodiments of the present application, the hinge assembly also includes a rotating shaft, which is located outside the vehicle body, and the central axis of the rotating shaft forms the first axis, the fixed arm and the rotating arm are both connected to the rotating shaft, and at least one of the fixed arm and the rotating arm can rotate relative to the rotating shaft.

[0008] Based on the above embodiment, the fixed arm and the rotating arm are rotatably connected via a rotating shaft, and the rotating shaft is located outside the vehicle body. This ensures that the central axis of the rotating shaft constituting the first axis is located outside the vehicle body, and ensures that the tailgate interferes with the vehicle body guard when the tailgate rotates relative to the vehicle body through the hinge assembly, thereby ensuring the rotation angle of the tailgate relative to the vehicle body.

[0009] In some embodiments of the present application, the rotating arm includes a first main body portion and a first sleeve portion that are connected to each other, the first main body portion is connected to the tailgate, the first sleeve portion is rotatably sleeved on the rotating shaft, and the fixed arm includes a second main body portion, the second main body portion is fixedly connected to the rotating shaft; or, the rotating arm includes a first main body portion, the first main body portion is connected to the tailgate, the first main body portion is connected to the rotating shaft, the fixed arm includes a second main body portion and a second sleeve portion that are connected to each other, the second main body portion is connected to the vehicle body, and the second sleeve portion is rotatably sleeved on the rotating shaft.

[0010] Based on the above embodiment, the fixed arm is connected to the vehicle body through the second main body, and the second main body is connected to the rotating shaft, the rotating arm is connected to the tailgate through the first main body, and is rotationally connected to the rotating shaft through the first sleeve portion, and when the rotating arm rotates relative to the rotating shaft, the rotating arm also rotates relative to the fixed arm, thereby realizing the relative rotation of the rotating arm and the fixed arm. Similarly, the rotating arm is connected to the tailgate through the first main body, and the first main body is connected to the rotating shaft, the fixed arm is connected to the vehicle body through the second main body, and is rotationally connected to the rotating shaft through the second sleeve portion, and when the fixed arm rotates relative to the rotating shaft, the fixed arm also rotates relative to the rotating arm, thereby realizing the relative rotation of the rotating arm and the fixed arm.

[0011] In some embodiments of the present application, the rotating arm includes a first main body portion and a first sleeve portion connected to each other, and the first main body portion is connected to the tailgate; the fixed arm includes a second main body portion and a second sleeve portion connected to each other, and the second main body portion is connected to the vehicle body; wherein the first sleeve portion and the second sleeve portion are both rotatably sleeved on the rotating shaft.

[0012] Based on the above embodiment, the rotating arm is connected to the tailgate through the first main body portion, and the rotating arm is rotatably connected to the rotating shaft through the first sleeve portion. At this time, the rotating arm can rotate relative to the rotating shaft; similarly, the fixed arm is connected to the vehicle body door through the second main body portion, and the fixed arm is rotatably connected to the rotating shaft through the second sleeve portion. At this time, the fixed arm can rotate relative to the rotating shaft, that is, the rotating arm can rotate relative to the fixed arm.

[0013] In some embodiments of the present application, the first main body portion includes a first main body sub-portion and a first protruding sub-portion, and the first protruding sub-portion is protruded from the first main body sub-portion toward the rotating shaft, so that a gap exists between the first main body sub-portion and the rotating shaft; the second main body portion includes a second main body sub-portion and a second protruding sub-portion, and the second protruding sub-portion is protruded from the second main body sub-portion toward the rotating shaft, so that a gap exists between the second main body sub-portion and the first sleeve portion.

[0014] Based on the above embodiment, the first protruding sub-portion forms a gap between the first main body sub-portion and the second sleeve connection portion, and when the rotating arm rotates relative to the fixed arm, the gap can prevent the first main body sub-portion and the second sleeve connection portion from interfering with each other. Similarly, the second protruding sub-portion forms a gap between the second main body sub-portion and the first sleeve connection portion, and when the rotating arm rotates relative to the fixed arm, the gap can prevent the second main body sub-portion and the first sleeve connection portion from interfering with each other.

[0015] In some embodiments of the present application, the first main body has a receiving groove on a side away from the vehicle body, the receiving groove is connected to any side wall of the first main body adjacent to the vehicle body, and the receiving groove is used to receive a partial structure of the connecting piece.

[0016] Based on the above embodiment, after the receiving groove accommodates part of the structure of the connecting part, the aesthetic appearance of the vehicle can be ensured, and the structure of the connecting part in the receiving groove can be protected. After the receiving groove connects the first main body and any side wall adjacent to the vehicle body, the accumulated water in the receiving groove can be directly discharged from the receiving groove.

[0017] In some embodiments of the present application, the vehicle further includes a support seat, the support seat being fixed to the second main body portion, and the support seat being used to rotatably connect the telescopic member.

[0018] Based on the above embodiment, the support base for mounting the telescopic member is integrated into the hinge assembly, thereby improving the integration of the vehicle. It is unnecessary to provide a connection hole in the vehicle body for connecting the support base, thereby ensuring the structural strength of the vehicle body.

[0019] In some embodiments of the present application, the support seat includes a third main body and a ball pin, the third main body is fixed to the side of the second main body facing the rear end of the vehicle body, the ball pin is fixed to an end of the third main body away from the ball pin, and the ball pin is used to rotatably connect the telescopic part.

[0020] Based on the above embodiment, a ball pin is protrudingly provided on the surface of the third main body portion, and the ball pin is rotatably connected to the telescopic member, thereby ensuring the structural strength of the third main body portion.

[0021] In some embodiments of the present application, the tailgate includes a door top cover and a door rear panel connected to each other, the door top cover is arranged along the length direction of the vehicle body, the door rear panel is arranged along the height direction of the vehicle body, and the rotating arm is fixedly connected to the door top cover.

[0022] Based on the above embodiment, the door top cover and the door rear panel constitute a hatchback door. At this time, the fixed arm is connected to the vehicle body top cover, and the rotating arm is connected to the door top cover. Since the first axis is located outside the vehicle compartment, the hatchback door can be rotated 180° relative to the vehicle body starting from the closed position.

[0023] In some embodiments of the present application, the vehicle body is provided with an avoidance opening corresponding to the rotating arm, and the fixed arm extends out of the vehicle body through the avoidance opening.

[0024] Based on the above embodiment, since the fixed arm is arranged in the vehicle body and the rotating arm is located outside the vehicle body, the avoidance opening is provided in the vehicle body so that the fixed arm extends out of the vehicle body through the avoidance opening and is rotatably connected to the rotating arm. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.

[0026] Figure 1 This is a schematic diagram of the connection structure of the vehicle body, the hinge assembly and the rear door in one embodiment of the present application;

[0027] Figure 2 is a structural schematic diagram of a hinge assembly in an embodiment of the present application;

[0028] Figure 3 for Figure 2 A structural schematic diagram of the hinge assembly from another perspective is shown.

[0029] Figure numerals: 10, vehicle body; 20, tailgate; 21, door top cover; 22, door rear panel; 30, hinge assembly; 31, rotating arm; 311, first main body; 3111, first main body sub-part; 3112, first protruding sub-part; 3113, accommodating groove; 312, first sleeve-connecting part; 32, fixing arm; 321, second main body; 3211, second main body sub-part; 3212, second protruding sub-part; 322, second sleeve-connecting part; 33, rotating shaft; 34, supporting seat; 341, third main body; 342, ball pin. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solution and advantages of the present application more clearly understood, the present application 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 application and are not used to limit the present application.

[0031] The tailgate is used to cover the hatch of the trunk of the vehicle. Usually, the tailgate is connected to the vehicle body through a hinge assembly and rotates relative to the vehicle body via the hinge assembly.

[0032] In the related art, after the tailgate is connected to the vehicle body by a hinge assembly, when the tailgate is rotated to a certain angle relative to the vehicle body through the hinge assembly, interference will occur between the hinge assembly and the vehicle body, restricting the tailgate from continuing to rotate relative to the vehicle body, resulting in a limited rotation angle of the tailgate relative to the vehicle body.

[0033] To solve the above technical problems, please refer to Figures 1 to 3 As shown, an embodiment of the present application provides a vehicle, wherein a rear door 20 of the vehicle has a larger opening angle relative to the vehicle body 10 .

[0034] The vehicle includes a body 10, a tailgate 20 and a hinge assembly 30, and the body 10 and the tailgate 20 together define a vehicle compartment; the hinge assembly 30 includes a fixed arm 32 and a rotating arm 31, the fixed arm 32 is connected to the body 10 inside the vehicle compartment, and the rotating arm 31 is connected to the tailgate 20 outside the vehicle compartment, and the rotating arm 31 is rotatably connected to the fixed arm 32 about a first axis, and the first axis is located outside the vehicle compartment.

[0035] The tailgate 20 in the embodiment of the present application may be a hatchback tailgate 20, a folding tailgate 20, or the like, and the embodiment of the present application is not limited thereto. The above-mentioned tailgate 20 may be rotatably connected to the vehicle body 10 using the hinge assembly 30 of the present application.

[0036] Based on the vehicle of the embodiment of the present application, the fixed arm 32 of the hinge assembly 30 is connected to the vehicle body 10, and the rotating arm 31 of the hinge assembly 30 is fixedly connected to the tailgate 20, that is, the tailgate 20 is rotatably connected to the vehicle body 10 through the hinge assembly 30. Since the first axis of relative rotation between the fixed arm 32 and the rotating arm 31 is outside the vehicle body, there is no interference problem between the vehicle body 10 and the tailgate 20. Therefore, the tailgate 20 can be rotated to a larger angle relative to the vehicle body 10 through the hinge assembly 30.

[0037] Please refer to Figure 2 or Figure 3 As shown, in some embodiments of the present application, the hinge assembly 30 also includes a rotating shaft 33, which is located outside the vehicle body, and the central axis of the rotating shaft 33 forms a first axis, the fixed arm 32 and the rotating arm 31 are both connected to the rotating shaft 33, and at least one of the fixed arm 32 and the rotating arm 31 can rotate relative to the rotating shaft 33.

[0038] The fixed arm 32 and the rotating arm 31 are rotatably connected via the rotating shaft 33, and the rotating shaft 33 is located outside the vehicle compartment. This ensures that the central axis of the rotating shaft 33 constituting the first axis is located outside the vehicle compartment, and ensures that when the tailgate 20 rotates relative to the vehicle body 10 via the hinge assembly 30, the tailgate 20 interferes with the guard portion of the vehicle body 10, thereby ensuring the rotation angle of the tailgate 20 relative to the vehicle body 10.

[0039] Please refer to Figure 2 or Figure 3As shown, in some embodiments of the present application, the rotating arm 31 includes a first main body portion 311 and a first sleeve portion 312 connected to each other, and the first main body portion 311 is connected to the tailgate 20; the fixed arm 32 includes a second main body portion 321 and a second sleeve portion 322 connected to each other, and the second main body portion 321 is connected to the vehicle body 10; wherein the first sleeve portion 312 and the second sleeve portion 322 both rotate the sleeve shaft 33.

[0040] When the rotating arm 31 includes the first sleeve portion 312 and the fixed arm 32 includes the second sleeve portion 322, the rotating shaft 33 in the embodiment of the present application may include a main body section and a limiting section located at both ends of the main body section, and the minimum radial length of the limiting section is greater than the maximum radial length of the main body section to prevent the fixed arm 32 or the rotating arm 31 from falling off the rotating shaft 33, and both the fixed arm 32 and the rotating arm 31 rotate and sleeve the main body section. The radial length in the embodiment of the present application refers to the length of the shaft perpendicular to its own axis. After the shaft is configured as a circular shaft, the radial length is the diameter of the shaft.

[0041] The first main body 311 is used to connect to the tailgate 20, and the second main body 321 is used to connect to the vehicle body 10. In the embodiment of the present application, the first main body 311 is connected to the tailgate 20 via a connecting piece, and the second main body 321 is connected to the vehicle body 10 via a connecting piece, and the connecting piece may be a bolt, a rivet, a pin, or the like.

[0042] In the embodiment of the present application, the first main body 311 and the second main body 321 are both configured as a plate-like structure, and the first main body 311 can be arranged on the side close to the vehicle body 10 to fit the outer surface of the tailgate 20, and the second main body 321 is arranged along the height direction of the vehicle body 10 to facilitate the connection between the second main body 321 and the top cover of the vehicle body 10.

[0043] The first sleeve portion 312 and the second sleeve portion 322 are both used for sleeve connection with the rotating shaft 33. In the embodiment of the present application, the first sleeve portion 312 and the second sleeve portion 322 are both configured as sleeve tubes, and a first bushing is provided between the first sleeve portion 312 and the rotating shaft 33, and a second bushing is provided between the second sleeve portion 322 and the rotating shaft 33.

[0044] The rotating arm 31 is connected to the tailgate 20 via the first main body portion 311, and the rotating arm 31 is rotatably connected to the rotating shaft 33 via the first sleeve portion 312, and is rotatably connected to the rotating shaft 33. At this time, the rotating arm 31 can rotate relative to the rotating shaft 33; similarly, the fixed arm 32 is connected to the door of the vehicle body 10 via the second main body portion 321, and the fixed arm 32 is rotatably connected to the rotating shaft 33 via the second sleeve portion 322, and is rotatably connected to the rotating shaft 33. At this time, the fixed arm 32 can rotate relative to the rotating shaft 33, that is, the rotating arm 31 can rotate relative to the fixed arm 32.

[0045] In some embodiments of the present application, the rotating arm 31 includes a first main body portion 311 and a first sleeve portion 312 that are connected to each other, the first main body portion 311 is connected to the rear door 20, the first sleeve portion 312 is rotatably sleeved to the rotating shaft 33, and the fixed arm 32 includes a second main body portion 321, and the second main body portion 321 is fixedly connected to the rotating shaft 33.

[0046] The fixed arm 32 is connected to the vehicle body 10 through the second main body 321, and the second main body 321 is connected to the rotating shaft 33. The rotating arm 31 is connected to the tailgate 20 through the first main body 311, and is rotatably connected to the rotating shaft 33 through the first sleeve portion 312. When the rotating arm 31 rotates relative to the rotating shaft 33, the rotating arm 31 also rotates relative to the fixed arm 32, thereby realizing the relative rotation of the rotating arm 31 and the fixed arm 32.

[0047] In other embodiments of the present application, the rotating arm 31 includes a first main body portion 311, the first main body portion 311 is connected to the tailgate 20, the first main body portion 311 is connected to the rotating shaft 33, the fixed arm 32 includes a second main body portion 321 and a second sleeve portion 322 that are connected to each other, the second main body portion 321 is connected to the vehicle body 10, and the second sleeve portion 322 is rotatably sleeved to the rotating shaft 33.

[0048] The rotating arm 31 is connected to the tailgate 20 via the first main body 311, and the first main body 311 is connected to the rotating shaft 33. The fixed arm 32 is connected to the vehicle body 10 via the second main body 321, and is rotatably connected to the rotating shaft 33 via the second sleeve portion 322. When the fixed arm 32 rotates relative to the rotating shaft 33, the fixed arm 32 also rotates relative to the rotating arm 31, thereby realizing relative rotation between the rotating arm 31 and the fixed arm 32.

[0049] Please refer to Figure 2 or Figure 3 As shown, in some embodiments of the present application, the first main body portion 311 includes a first main body sub-portion 3111 and a first protruding sub-portion 3112, and the first protruding sub-portion 3112 is protruded from the first main body sub-portion 3111 toward the rotating shaft 33, so that a gap exists between the first main body sub-portion 311 and the rotating shaft 33; the second main body portion 321 includes a second main body sub-portion 3211 and a second protruding sub-portion 3212, and the second protruding sub-portion 3212 is protruded from the second main body sub-portion 3211 toward the rotating shaft 33, so that a gap exists between the second main body sub-portion 3211 and the first sleeve portion 312.

[0050] The first protruding sub-portion 3112 forms a gap between the first main body sub-portion 3111 and the second sleeve portion 322, and when the rotating arm 31 rotates relative to the fixed arm 32, the gap can prevent the first main body sub-portion 3111 and the second sleeve portion 322 from interfering with each other. Similarly, the second protruding sub-portion 3212 forms a gap between the second main body sub-portion 3211 and the first sleeve portion 312, and when the rotating arm 31 rotates relative to the fixed arm 32, the gap can prevent the second main body sub-portion 3211 and the first sleeve portion 312 from interfering with each other. It can be understood that when the rotating arm 31 only includes the first main body portion 311, the second protruding sub-portion 3212 forms a gap between the second main body sub-portion 3211 and the rotating shaft 33, and when the fixed arm 32 only includes the second main body portion 321, the first protruding sub-portion 3112 forms a gap between the first main body sub-portion 3111 and the rotating shaft 33.

[0051] Please refer to Figure 2 or Figure 3 As shown, in some embodiments of the present application, the first main body 311 has a receiving groove 3113 on the side away from the vehicle body 10, and the receiving groove 3113 connects the first main body 311 and any side wall adjacent to the vehicle body 10. The receiving groove 3113 is used to accommodate part of the structure of the connecting piece. After the receiving groove 3113 accommodates part of the structure of the connecting part, the aesthetic appearance of the vehicle can be ensured, and the structure of the connecting piece in the receiving groove 3113 can be protected. After the receiving groove 3113 connects the first main body 311 and any side wall adjacent to the vehicle body 10, the accumulated water in the receiving groove 3113 can be directly discharged from the receiving groove 3113.

[0052] In the embodiment of the present application, the shape and depth of the receiving groove 3113 are not limited, and the receiving groove 3113 corresponding to different connectors can be set to different depths. It can be understood that the first main body sub-section 3111 is connected to the back door, and the receiving groove 3113 is set on the first main body section 3111.

[0053] Please refer to Figure 2 or Figure 3 As shown, in some embodiments of the present application, the vehicle also includes a support seat 34, which is fixed to the second main body portion 321, and the support seat 34 is used to rotatably connect the telescopic member. In this way, the support seat 34 for installing the telescopic member is integrated into the hinge assembly 30, thereby improving the integration of the vehicle. There is no need to open a connection hole for connecting the support seat 34 on the vehicle body 10, thereby ensuring the structural strength of the vehicle body 10.

[0054] Please refer to Figure 2 or Figure 3As shown, in some embodiments of the present application, the support seat 34 includes a third main body 341 and a ball pin 342. The third main body 341 is fixed to the second main body 321 on the side facing the rear end of the vehicle body 10. The ball pin 342 is fixed to the end of the third main body 341 away from the ball pin 342. The ball pin 342 is used to rotate and connect the telescopic member. The back door 20 includes a door top cover 21 and a door back panel 22 connected to each other. The door top cover 21 is arranged along the length direction of the vehicle body 10, and the door back panel 22 is arranged along the height direction of the vehicle body 10. The rotating arm 31 is fixedly connected to the door top cover 21.

[0055] Please refer to Figure 1 as well as Figure 2 , or refer to Figure 1 as well as Figure 3 As shown, in some embodiments of the present application, the tailgate 20 includes a door top cover 21 and a door rear panel 22 that are interconnected. The door top cover 21 is arranged along the length direction of the vehicle body 10, and the door rear panel 22 is arranged along the height direction of the vehicle body 10. The rotating arm 31 is fixedly connected to the door top cover 21. At this time, the door top cover 21 and the door rear panel 22 constitute a hatchback tailgate 20. Since the first axis is located outside the vehicle body, the hatchback tailgate 20 can be rotated 180° relative to the vehicle body 10 starting from a closed position.

[0056] In some embodiments of the present application, the vehicle body 10 is provided with an avoidance opening corresponding to the rotating arm 31 , and the rotating arm 31 extends out of the vehicle body 10 through the avoidance opening.

[0057] Since the fixed arm 32 is arranged in the vehicle compartment and the rotating arm 31 is outside the vehicle compartment, the vehicle body 10 opens an avoidance opening so that the fixed arm 32 extends out of the vehicle compartment through the avoidance opening and is rotatably connected to the rotating arm 31. In order to ensure the sealing of the vehicle body 10 in the embodiment of the present application, the size of the avoidance opening should be set to correspond to the size of the fixed arm 32. When the fixed arm 32 is inserted into the avoidance opening, the outer surface of the fixed arm 32 should fit the cavity wall of the avoidance opening, and a sealing member can be sandwiched between the two to ensure the sealing of the vehicle body 10.

[0058] The same or similar numbers in the drawings of this embodiment correspond to the same or similar parts; in the description of this application, it should be understood that if the terms "upper", "lower", "left", "right", etc. indicate an orientation or position relationship based on the orientation or position relationship shown in the drawings, it is only for the convenience of describing this 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. Therefore, the terms describing the position relationship in the drawings are only used for illustrative purposes and cannot be understood as a limitation on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0059] The above are only preferred embodiments of the present application and are not intended to limit the present application. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A vehicle, characterized in that: include: Car body; A rear door, wherein the vehicle body and the rear door together define a vehicle compartment; as well as A hinge assembly, the hinge assembly includes a fixed arm and a rotating arm, the fixed arm is connected to the body inside the vehicle compartment, the rotating arm is connected to the tailgate outside the vehicle compartment, the rotating arm and the fixed arm are rotationally connected about a first axis, and the first axis is located outside the vehicle compartment.

2. The vehicle according to claim 1, characterized in that The hinge assembly also includes: A rotating shaft, wherein the rotating shaft is located outside the carriage, and a central axis of the rotating shaft forms the first axis, the fixed arm and the rotating arm are both connected to the rotating shaft, and at least one of the fixed arm and the rotating arm can rotate relative to the rotating shaft.

3. The vehicle according to claim 2, characterized in that The rotating arm includes a first main body and a first sleeve portion connected to each other, the first main body is connected to the back door, the first sleeve portion is rotatably sleeved on the rotating shaft, and the fixed arm includes a second main body, the second main body is connected to the vehicle body, and the second main body is connected to the rotating shaft; or, The rotating arm includes a first main body portion, the first main body portion is connected to the rear door, and the first main body portion is connected to the rotating shaft. The fixed arm includes a second main body portion and a second sleeve portion that are connected to each other, the second main body portion is connected to the vehicle body, and the second sleeve portion is rotatably sleeved on the rotating shaft.

4. The vehicle according to claim 2, characterized in that The rotating arm includes a first main body and a first sleeve portion connected to each other, wherein the first main body is connected to the back door; the fixed arm includes a second main body and a second sleeve portion connected to each other, wherein the second main body is connected to the vehicle body; Wherein, both the first sleeve connecting portion and the second sleeve connecting portion are rotatably sleeved on the rotating shaft.

5. The vehicle according to claim 4, characterized in that The first main body portion includes a first main body sub-portion and a first protruding sub-portion, wherein the first protruding sub-portion is protrudingly arranged on a side of the first main body sub-portion facing the rotating shaft, so that there is a gap between the first main body sub-portion and the second sleeve portion; The second main body portion includes a second main body sub-portion and a second protruding sub-portion. The second protruding sub-portion is protrudingly arranged on a side of the second main body sub-portion facing the rotating shaft, so that a gap exists between the second main body sub-portion and the first sleeve portion.

6. The vehicle according to claim 3 or 4, characterized in that: The first main body has a receiving groove on a side away from the vehicle body, the receiving groove is connected to any side wall of the first main body adjacent to the vehicle body, and the receiving groove is used to receive a partial structure of the connecting piece.

7. The vehicle according to claim 3 or 4, characterized in that: Also includes: A support seat is fixed to the second main body portion, and is used for rotatably connecting the telescopic member.

8. The vehicle according to claim 7, characterized in that The support seat includes a third main body and a ball pin. The third main body is fixed to the side of the second main body facing the rear end of the vehicle body. The ball pin is fixed to an end of the third main body away from the ball pin. The ball pin is used to rotatably connect the telescopic member.

9. The vehicle according to claim 1, characterized in that The back door comprises a door top cover and a door rear panel which are connected to each other. The door top cover is arranged along the length direction of the vehicle body, and the door rear panel is arranged along the height direction of the vehicle body. The rotating arm is fixedly connected to the door top cover.

10. The vehicle according to claim 1, characterized in that The vehicle body is provided with an avoidance opening corresponding to the rotating arm, and the rotating arm extends outward from the vehicle body through the avoidance opening.

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