Back door hinge device and vehicle
By combining a dual-hinge design with drive components, flexible opening and closing of the tailgate glass and tailgate assembly is achieved, solving the problem of increased vehicle weight and cost in existing technologies, and providing greater functional versatility and lightweight effect.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- AVATR CO LTD
- Filing Date
- 2025-05-08
- Publication Date
- 2026-05-26
Smart Images
Figure CN224282299U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of vehicle technology, and more particularly to a tailgate hinge device and a vehicle. Background Technology
[0002] As an important part of the vehicle body, the design of the tailgate assembly directly affects the ease of use, storage convenience, and overall vehicle aesthetics. On the one hand, users need a large tailgate to meet the loading needs of large items, and on the other hand, they also hope to be able to quickly retrieve and place small items in narrow spaces or during short stops, or for the tailgate glass to be able to open independently to provide better ventilation.
[0003] In the existing technology, most vehicle tailgate hinges mainly use female hinges, which are fixed on the side of the vehicle body, while male hinges are connected to the tailgate assembly side. The tailgate is opened and closed by an electric strut. The tailgate glass cannot be opened independently. Some vehicles have an additional set of hinges and pneumatic struts installed between the tailgate glass and the tailgate assembly to enable the tailgate glass to open.
[0004] However, existing vehicles require two sets of hinges and two sets of electric struts to open the tailgate glass independently, which increases the vehicle's weight and production costs. Utility Model Content
[0005] This application provides a tailgate hinge device and a vehicle to solve the technical problem that current vehicles require two sets of hinges and two sets of electric struts to open the tailgate glass independently, which increases vehicle weight and production costs.
[0006] In a first aspect, this application provides a tailgate hinge device for opening and closing a tailgate assembly of a vehicle. The tailgate assembly includes a tailgate body and a tailgate glass, with the tailgate glass movably connected to the tailgate body. The tailgate hinge device includes a hinge assembly and a drive assembly. The hinge assembly includes a hinge seat, a first hinge, and a second hinge. The hinge seat is disposed on the vehicle body, and both the first and second hinges are rotatably connected to the hinge seat. The first hinge is connected to the tailgate glass, and the second hinge is connected to the tailgate body. The drive assembly is configured to drive the first and second hinges to rotate synchronously to open and close the tailgate assembly, or to drive the first hinge to rotate independently to open and close the tailgate glass.
[0007] The tailgate hinge device provided in this application adopts a dual-hinge design. The dual hinges are driven by a drive assembly. The drive assembly can drive the first hinge to rotate independently or drive the first hinge and the second hinge to rotate synchronously. When the first hinge rotates independently, the tailgate glass can be opened independently. When the first hinge and the second hinge rotate synchronously, the tailgate and the tailgate glass can be opened simultaneously. This design allows the tailgate assembly to be opened as a whole or the tailgate glass to be opened separately, increasing the functional versatility of the tailgate, and is also lightweight and low in cost.
[0008] As an optional implementation, the first end of the first hinge and the first end of the second hinge are rotatably connected to the hinge seat on the same axis, the second end of the first hinge is connected to the glass of the back door, and the second end of the second hinge is connected to the body of the back door.
[0009] This configuration allows for the synchronous rotation of the first and second hinges, while preventing interference between them when they rotate independently.
[0010] As an alternative implementation, the first hinge and the second hinge are arranged side by side along the rotation axis.
[0011] This design improves the structural compactness of the rear door hinge device and increases space utilization.
[0012] As an optional implementation, the first hinge includes a first bent section and a first connecting section. The first bent section is rotatably connected to the hinge seat, and the first connecting section is connected to the end of the first bent section away from the hinge seat. The first connecting section is used to connect to the rear door glass.
[0013] The second hinge includes a second bent section and a second connecting section. The second bent section is rotatably connected to the hinge seat, and the second connecting section is connected to the end of the second bent section away from the hinge seat. The second connecting section is used to connect to the back door body.
[0014] The first and second bending segments have matching shapes, while the first and second connecting segments extend in different directions.
[0015] With this configuration, the first and second bending sections can create clearance space when the first and second hinges rotate, and the first and second connecting sections can push the rear door glass and the rear door body respectively through different extension directions.
[0016] As an optional implementation, the second bent segment is provided with a limiting part on the back side of its rotation direction, and the limiting part extends to the back side of the first bent segment along the arrangement direction of the first hinge and the second hinge.
[0017] When the drive assembly drives the second hinge to rotate and opens the tailgate assembly, the limiting part abuts against the first bending section to push the first hinge to rotate synchronously.
[0018] With this configuration, the limiting part can enable the second hinge to drive the first hinge to rotate synchronously, so that when the entire tailgate assembly needs to be opened, the tailgate body and the tailgate glass can be opened simultaneously.
[0019] As an optional implementation, the drive assembly includes a first electric strut and a second electric strut, both of which are mounted on the vehicle body; the output end of the first electric strut is connected to a first hinge, and the output end of the second electric strut is connected to a second hinge.
[0020] This configuration allows the rotation of the first hinge and the second hinge to be controlled independently via the first and second electric struts, improving the flexibility of the device.
[0021] As an optional implementation, the first hinge and the second hinge are arranged adjacent to each other; the output end of the first electric strut is connected to the side of the first hinge away from the second hinge; the output end of the second electric strut is connected to the side of the second hinge away from the first hinge.
[0022] This design improves structural compactness and increases space utilization.
[0023] As an optional implementation, the first electric strut is rotatably connected to the vehicle body, the first hinge has a rotatably configured first connecting part, and the output end of the first electric strut is rotatably connected to the first connecting part, so that the output end of the first electric strut has two rotational degrees of freedom relative to the first hinge.
[0024] The second electric strut is rotatably connected to the vehicle body. The second hinge has a rotatably configured second connecting part. The output end of the second electric strut is rotatably connected to the second connecting part, so that the output end of the second electric strut has two rotational degrees of freedom relative to the second hinge.
[0025] This configuration, through the dual-degree-of-freedom electric strut connection mechanism, increases the motion adaptability of the first and second hinges.
[0026] As an optional implementation, the distance between the end of the first electric strut and the second electric strut connected to the vehicle body is greater than the distance between the output end of the first electric strut and the output end of the second electric strut.
[0027] This configuration, through the tilt angles of the first and second electric struts, increases structural stability.
[0028] Secondly, this application provides a vehicle including a body, a tailgate assembly and the aforementioned tailgate hinge device, wherein the tailgate assembly is movably connected to the body and the tailgate hinge device is used to drive the tailgate assembly and the tailgate glass to open and close.
[0029] The tailgate hinge device provided in this application is used in vehicles, enabling the tailgate glass to be opened independently, thereby increasing the vehicle's functional versatility.
[0030] This application provides a tailgate hinge device and a vehicle. The tailgate hinge device is used to open and close the tailgate assembly of a vehicle. The tailgate assembly includes a tailgate body and a tailgate glass, with the tailgate glass movably connected to the tailgate body. The tailgate hinge device includes a hinge assembly and a drive assembly. The hinge assembly includes a hinge base, a first hinge, and a second hinge. The hinge base is disposed on the vehicle body, and both the first and second hinges are rotatably connected to the hinge base. The first hinge is connected to the tailgate glass, and the second hinge is connected to the tailgate body. The drive assembly is configured to drive the first and second hinges to rotate synchronously to open and close the tailgate assembly, or to drive the first hinge to rotate independently to open and close the tailgate glass. The tailgate hinge device provided by this application allows the tailgate assembly to be opened as a whole or the tailgate glass to be opened separately, increasing the functionality of the tailgate, and is also lightweight and low-cost. Attached Figure Description
[0031] Figure 1 A schematic diagram of the rear door hinge device provided in the embodiments of this application;
[0032] Figure 2 A schematic diagram of the limiting block of the rear door hinge device provided in the embodiments of this application;
[0033] Figure 3 A schematic diagram of the state of the rear door hinge device when the rear door glass is opened alone, as provided in the embodiments of this application;
[0034] Figure 4 This is a schematic diagram of the tailgate hinge device when the tailgate assembly is fully open, as provided in the embodiments of this application.
[0035] Figure label:
[0036] 10- Rear door hinge device;
[0037] 100-Hinge assembly; 110-Hinge base; 120-First hinge; 121-First bent section; 122-First connecting section; 123-First connecting part; 130-Second hinge; 131-Second bent section; 132-Second connecting section; 133-Second connecting part; 134-Limiting part; 135-Bolt hole;
[0038] 200 - Drive assembly; 210 - First electric strut; 220 - Second electric strut. Detailed Implementation
[0039] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the specific technical solutions of this application will be further described in detail below with reference to the accompanying drawings of the embodiments of this application. The following embodiments are used to illustrate this application, but are not intended to limit the scope of this application.
[0040] In the embodiments of this application, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of this application, unless otherwise stated, "multiple" means two or more.
[0041] Furthermore, in the embodiments of this application, directional terms such as "upper," "lower," "left," and "right" are defined relative to the positions in which the components are schematically placed in the accompanying drawings. It should be understood that these directional terms are relative concepts, used for relative description and clarification, and can change accordingly depending on the position of the components in the accompanying drawings.
[0042] In the embodiments of this application, unless otherwise explicitly specified and limited, the term "connection" should be interpreted broadly. For example, "connection" can mean a fixed connection, a detachable connection, or an integral part; it can mean a direct connection or an indirect connection through an intermediate medium.
[0043] In embodiments of this application, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes that element.
[0044] In the embodiments of this application, the terms "exemplary" or "for example" are used to indicate that something is an example, illustration, or description. Any embodiment or design that is described as "exemplary" or "for example" in the embodiments of this application should not be construed as being more preferred or advantageous than other embodiments or design. Specifically, the use of the terms "exemplary" or "for example" is intended to present the relevant concepts in a specific manner.
[0045] In recent years, with the rapid development of the automotive industry, users' demands for the functionality and comfort of the entire vehicle have been continuously increasing. As an important part of the vehicle body, the design of the tailgate assembly directly affects the ease of use, storage convenience, and overall vehicle aesthetics. On the one hand, users need a large tailgate to meet the loading needs of large items, and on the other hand, they also hope to be able to quickly retrieve and place small items in narrow spaces or during short stops, or for the tailgate glass to be able to open independently to provide better ventilation.
[0046] In the existing technology, most vehicle tailgate hinges mainly use female hinges, which are fixed on the side of the vehicle body, while male hinges are connected to the tailgate assembly side. The tailgate is opened and closed by an electric strut. The tailgate glass cannot be opened independently. Some vehicles have an additional set of hinges and pneumatic struts installed between the tailgate glass and the tailgate assembly to enable the tailgate glass to open.
[0047] However, existing vehicles require two sets of hinges and two sets of electric struts to open the tailgate glass independently, which increases the vehicle's weight and production costs.
[0048] To address the aforementioned technical issues, this application provides a tailgate hinge device and a vehicle. The tailgate hinge device includes a first hinge connected to the tailgate glass and a second hinge connected to the tailgate body. By driving the first and second hinges to rotate through a drive assembly, the tailgate glass can be opened or closed individually, or the tailgate assembly as a whole can be opened or closed. This tailgate hinge device has a lightweight effect, achieving diversified vehicle functions without significantly increasing the vehicle's weight.
[0049] This application provides a tailgate hinge device and a vehicle. The tailgate hinge device is used in a vehicle. The vehicle in this application can refer to a large car, a small car, a special vehicle, etc. For example, according to the vehicle type, the car in this application can be a sedan, an off-road vehicle, a multi-purpose vehicle (MPV), or other vehicles with a tailgate.
[0050] Figure 1 A schematic diagram of the rear door hinge device provided in the embodiments of this application; Figure 2 A schematic diagram of the limiting block of the rear door hinge device provided in the embodiments of this application; Figure 3 A schematic diagram of the state of the rear door hinge device when the rear door glass is opened alone, as provided in the embodiments of this application; Figure 4 This is a schematic diagram of the tailgate hinge device when the tailgate assembly is fully open, as provided in the embodiments of this application.
[0051] Reference Figures 1 to 4This application provides a tailgate hinge device 10 for opening and closing a vehicle tailgate assembly. The tailgate assembly includes a tailgate body and a tailgate glass, with the tailgate glass movably connected to the tailgate body. The tailgate hinge device 10 includes a hinge assembly 100 and a drive assembly 200. The hinge assembly 100 includes a hinge base 110, a first hinge 120, and a second hinge 130. The hinge base 110 is disposed on the vehicle body, and both the first hinge 120 and the second hinge 130 are rotatably connected to the hinge base 110. The first hinge 120 is connected to the tailgate glass, and the second hinge 130 is connected to the tailgate body. The drive assembly 200 is configured to drive the first hinge 120 and the second hinge 130 to rotate synchronously to open and close the tailgate assembly, or to drive the first hinge 120 to rotate independently to open and close the tailgate glass.
[0052] It is understood that the tailgate hinge device 10 provided in this application achieves independent or synchronous movement of the tailgate glass and the tailgate body through a single-set device with a double-hinge design. The hinge base 110 is fixed to the vehicle body and serves as the mounting base for the double hinges. It must possess high rigidity. The hinge base 110 can be connected to the vehicle body by bolts, which can be 2, 3, or 4 bolts, etc. The bolts are arranged along the length of the hinge base 110 or intersecting at its four corners for easy tailgate adjustment and installation. The first hinge 120 and the second hinge 130 are connected to the hinge base 110 via a pivot and are used to push the tailgate glass or tailgate body to open or close, respectively. The end of the first hinge 120 can be fixed to the glass edging or glass frame of the tailgate glass, and the end of the second hinge 130 can be connected to the sheet metal side of the tailgate body. The first hinge 120 and the second hinge 130 can adopt a lightweight design. The drive assembly 200 can be hydraulically driven, electrically driven, or pneumatically driven, etc., and this application does not specifically limit the specific type of drive assembly.
[0053] For example, to ensure the strength of the rear door hinge device 10 and achieve a lightweight effect, the hinge base 110 can be made of cast iron or aluminum alloy; the first hinge 120 and the second hinge 130 can be made of aluminum alloy and adopt a hollow shaft structure with a wall thickness ≥2mm, provided that the strength is met.
[0054] As one possible implementation, the first end of the first hinge 120 and the first end of the second hinge 130 are coaxially rotatably connected to the hinge base 110, the second end of the first hinge 120 is connected to the back door glass, and the second end of the second hinge 130 is connected to the back door body.
[0055] For example, the hinge seat 110 has two parallel protrusions, and each of the two parallel protrusions has two pivot holes. The two pivot holes are coaxially arranged. The first hinge 120 and the second hinge 130 are provided with pivots. The pivots of the first hinge 120 and the second hinge 130 are respectively inserted into the two pivot holes.
[0056] For example, the first hinge 120 and the second hinge 130 can be connected to the hinge seat 110 through a coaxial dual rotor structure. The rotor of the first hinge 120 is disposed in the inner layer, and the rotor of the second hinge 130 is disposed in the outer layer, so that the first hinge 120 and the second hinge 130 are coaxially disposed, but can rotate separately to control the rotation of the first hinge 120 individually.
[0057] As one possible implementation, the first hinge 120 and the second hinge 130 are arranged side by side in the rotational axis.
[0058] For example, the first hinge 120 and the second hinge 130 are connected to the hinge base 110 by inserting a pivot into the pivot hole of the hinge base 110. The first hinge 120 and the second hinge 130 are arranged side by side with a gap between them. The gap between the main bodies of the first hinge 120 and the second hinge 130 can be controlled between 5-15mm. The pivot of the first hinge 120 is located on the side opposite to the second hinge 130, and the pivot of the second hinge 130 is located on the side opposite to the first hinge 120. The two pivots are coaxial but can rotate independently.
[0059] Continue to refer to Figures 1 to 4 As one possible implementation, the first hinge 120 includes a first bent section 121 and a first connecting section 122. The first bent section 121 is rotatably connected to the hinge base 110, and the first connecting section 122 is connected to the end of the first bent section 121 away from the hinge base 110, and the first connecting section 122 is used to connect to the back door glass.
[0060] Understandably, a lever arm of a certain length is formed between the connection point of the drive assembly 200 and the first bent segment 121 and the rotation point of the first hinge 120. The arc-shaped structure of the first bent segment 121 allows the force applied by the drive assembly 200 to the first bent segment 121 to form a non-zero angle with the lever arm, enabling the drive mechanism to use less power to drive the first bent segment 121 to rotate around the axis, thereby driving the first connection end to rotate, so that the tailgate glass can be opened or closed. At the same time, the arc-shaped structure of the first bent segment 121 can form a clearance space to prevent the first hinge 120 from contacting the vehicle body structure during rotation.
[0061] As one possible implementation, the second hinge 130 includes a second bent section 131 and a second connecting section 132. The second bent section 131 is rotatably connected to the hinge seat 110, and the second connecting section 132 is connected to the end of the second bent section 131 away from the hinge seat 110, and the second connecting section 132 is used to connect to the back door body.
[0062] Similarly, a lever arm of a certain length is formed between the connection point of the drive assembly 200 and the second bending segment 131 and the rotation point of the second hinge 130. The arc-shaped structure of the second bending segment 131 allows the force applied by the drive assembly 200 to the second bending segment 131 to form a non-zero angle with the lever arm, enabling the drive mechanism to use less power to drive the second bending segment 131 to rotate around the pivot, thereby driving the second connection end to rotate, so that the tailgate body can be opened or closed. At the same time, the arc-shaped structure of the second bending segment 131 can form a clearance space to prevent the second hinge 130 from contacting the vehicle body structure during rotation.
[0063] As one possible implementation, the shapes of the first bending segment 121 and the second bending segment 131 are matched, and the extension directions of the first connecting segment 122 and the second connecting segment 132 are different.
[0064] Understandably, the shapes of the first bending segment 121 and the second bending segment 131 are matched, so that the first hinge 120 and the second hinge 130 can occupy less space when they rotate together; the extension directions of the first connecting segment 122 and the second connecting segment 132 are different, so that the first connecting segment 122 can be close to the back door glass and the second connecting segment 132 can be close to the sheet metal side of the back door body. The first connecting segment 122 and the second connecting segment 132 are respectively provided with multiple bolt holes 135, and the first connecting segment 122 and the second connecting segment 132 can be connected to the back door glass and the back door body respectively through bolts and bolt holes 135.
[0065] Reference Figures 2 to 4 , combined Figure 1 As one possible implementation, the second bending segment 131 is provided with a limiting part 134 on the back side of its rotation direction. The limiting part 134 extends to the back side of the first bending segment 121 along the arrangement direction of the first hinge 120 and the second hinge 130. When the drive assembly 200 drives the second hinge 130 to rotate and open the back door assembly, the limiting part 134 abuts against the first bending segment 121 to push the first hinge 120 to rotate synchronously.
[0066] It should be noted that the limiting part 134 can be a metal semi-cylinder, such as an aluminum alloy semi-cylinder. Half of the aluminum alloy semi-cylinder is welded to the second bent section 131 along its length, and the other half extends to the bottom of the first bent section 121. When both the tailgate body and the tailgate glass are closed, the limiting part 134 contacts or maintains a slight distance from the first bent section 121. Figure 1 When only the rear door glass is open, the first bend moves away from the limiting part 134, as... Figure 3 When the tailgate body is opened, the second bend rotates, causing the limiting block to rise. The limiting block abuts against and supports the first bend, causing the first hinge 120 and the second hinge 130 to rotate synchronously, realizing the overall rotation of the tailgate assembly. Figure 4 .
[0067] As one possible implementation, the drive assembly 200 includes a first electric strut 210 and a second electric strut 220, both of which are mounted on the vehicle body; the output end of the first electric strut 210 is connected to a first hinge 120, and the output end of the second electric strut 220 is connected to a second hinge 130.
[0068] Understandably, the first electric strut 210 controls the rotation of the first hinge 120 to independently control the opening or closing of the tailgate glass; the second electric strut 220 controls the rotation of the second hinge 130 and drives the first hinge 120 to rotate synchronously through a limiting block, so that the tailgate glass and the tailgate body open simultaneously. When the tailgate glass and the tailgate body need to close simultaneously, the first electric strut 210 and the second electric strut 220 work simultaneously, so that the first hinge 120 and the second hinge 130 rotate synchronously, and the tailgate glass and the tailgate body close simultaneously; or, the first electric strut 210 works alone, controlling the first hinge 120 to descend, and the first hinge 120 drives the second hinge 130 to rotate through the limiting block, so that the first hinge 120 and the second hinge 130 rotate synchronously, and the tailgate glass and the tailgate body close simultaneously.
[0069] In one possible implementation, the first hinge 120 and the second hinge 130 are arranged adjacent to each other; the output end of the first electric strut 210 is connected to the side of the first hinge 120 away from the second hinge 130; and the output end of the second electric strut 220 is connected to the side of the second hinge 130 away from the first hinge 120.
[0070] It is understandable that the diameters of the first electric strut 210 and the second electric strut 220 may be greater than the widths of the first hinge 120 and the second hinge 130 in the adjacent arrangement direction. Connecting the output ends of the first electric strut 210 and the second electric strut 220 to the sides of the first hinge 120 and the second hinge 130 can prevent the first electric strut 210 and the second electric strut 220 from being squeezed.
[0071] As one possible implementation, the first electric strut 210 is rotatably connected to the vehicle body, the first hinge 120 has a rotatably configured first connecting part 123, and the output end of the first electric strut 210 is rotatably connected to the first connecting part 123, so that the output end of the first electric strut 210 has two rotational degrees of freedom relative to the first hinge 120.
[0072] For example, the connection point between the first electric strut 210 and the vehicle body adopts a universal joint structure, and the first electric strut 210 has a certain degree of swing freedom relative to the vehicle body; the first electric strut 210 and the first connecting part 123 are connected by a spherical bearing, and the first connecting part 123 can be set at the first bending part. When the first electric strut 210 extends and retracts to push the first bending part to move and drive the first hinge 120 to rotate, the first electric strut 210 rotates relative to the first hinge 120 with the first connecting part 123 as the center. The output end of the first electric strut 210 has two rotational degrees of freedom relative to the first hinge 120. On the one hand, the output end of the first electric strut 210 rotates in the vertical plane, and the rotation plane is parallel to the rotation plane of the first hinge 120. On the other hand, when the output end of the first electric strut 210 rotates, it will move closer to or further away from the second electric strut 220.
[0073] As one possible implementation, the second electric strut 220 is rotatably connected to the vehicle body, and the second hinge 130 has a rotatably configured second connecting part 133. The output end of the second electric strut 220 is rotatably connected to the second connecting part 133, so that the output end of the second electric strut 220 has two rotational degrees of freedom relative to the second hinge 130.
[0074] Similarly, the connection point between the second electric strut 220 and the vehicle body adopts a universal joint structure, and the second electric strut 220 has a certain degree of swing freedom relative to the vehicle body; the second electric strut 220 and the second connecting part 133 are connected by a spherical bearing, and the second connecting part 133 can be set at the second bending part. When the second electric strut 220 extends and retracts to push the second bending part to move and drive the second hinge 130 to rotate, the second electric strut 220 rotates relative to the second hinge 130 with the second connecting part 133 as the center. The output end of the second electric strut 220 has two rotational degrees of freedom relative to the second hinge 130. On the one hand, the output end of the second electric strut 220 rotates in the vertical plane, and the plane of rotation is parallel to the plane of rotation of the second hinge 130. On the other hand, when the output end of the second electric strut 220 rotates, it will move closer to or away from the first electric strut 210.
[0075] As one possible implementation, the distance between the end of the first electric strut 210 and the second electric strut 220 that is connected to the vehicle body is greater than the distance between the output end of the first electric strut 210 and the output end of the second electric strut 220.
[0076] Understandably, the larger distance between the first electric strut 210 and the second electric strut 220 at the vehicle body end can improve torsional stiffness. When one strut fails, the other strut can still provide ≥70% of the rated torque, and the strut output torque requirement is reduced, allowing for the use of a smaller motor.
[0077] In addition, this application also provides a vehicle, including a body, a tailgate assembly and the aforementioned tailgate hinge device 10. The tailgate assembly is movably connected to the body, and the tailgate hinge device 10 is used to drive the tailgate assembly and the tailgate glass to open and close. The tailgate hinge device 10 provided by this application can enable the vehicle tailgate glass to be opened independently, increasing the vehicle's functional versatility.
[0078] This application provides a tailgate hinge device 10 and a vehicle. The tailgate hinge device 10 is used to open and close the tailgate assembly of a vehicle. The tailgate assembly includes a tailgate body and a tailgate glass, and the tailgate glass is movably connected to the tailgate body. The tailgate hinge device 10 includes a hinge assembly 100 and a drive assembly 200. The hinge assembly 100 includes a hinge base 110, a first hinge 120, and a second hinge 130. The hinge base 110 is disposed on the vehicle body. The first hinge 120 and the second hinge 130 are both rotatably connected to the hinge base 110. The first hinge 120 is connected to the tailgate glass, and the second hinge 130 is connected to the tailgate body. The drive assembly 200 is configured to drive the first hinge 120 and the second hinge 130 to rotate synchronously to open and close the tailgate assembly, or to drive the first hinge 120 to rotate independently to open and close the tailgate glass. The tailgate hinge device 10 provided in this application enables the tailgate assembly to be opened as a whole or the tailgate glass to be opened separately, increasing the functionality of the tailgate and making it lighter and less expensive.
[0079] The sequence numbers of the embodiments in this application are for descriptive purposes only and do not represent the superiority or inferiority of the embodiments. The above are merely preferred embodiments of this application and do not limit the patent scope of this application. Any equivalent structural or procedural transformations made based on the content of this application's specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this application.
Claims
1. A rear door hinge device, characterized in that, A tailgate assembly for opening and closing a vehicle, the tailgate assembly including a tailgate body and a tailgate glass, the tailgate glass being movably connected to the tailgate body; the tailgate hinge device (10) includes: A hinge assembly (100) includes a hinge base (110), a first hinge (120), and a second hinge (130). The hinge base (110) is disposed on the vehicle body. The first hinge (120) and the second hinge (130) are rotatably connected to the hinge base (110). The first hinge (120) is connected to the tailgate glass, and the second hinge (130) is connected to the tailgate body. A drive assembly (200) is configured to drive the first hinge (120) and the second hinge (130) to rotate synchronously to open and close the tailgate assembly, or to drive the first hinge (120) to rotate independently to open and close the tailgate glass.
2. The rear door hinge device according to claim 1, characterized in that, The first end of the first hinge (120) and the first end of the second hinge (130) are coaxially rotatably connected to the hinge seat (110), the second end of the first hinge (120) is connected to the back door glass, and the second end of the second hinge (130) is connected to the back door body.
3. The rear door hinge device according to claim 2, characterized in that, The first hinge (120) and the second hinge (130) are arranged side by side in the rotation axis.
4. The rear door hinge device according to claim 1, characterized in that, The first hinge (120) includes a first bent section (121) and a first connecting section (122). The first bent section (121) is rotatably connected to the hinge seat (110). The first connecting section (122) is connected to the end of the first bent section (121) away from the hinge seat (110), and the first connecting section (122) is used to connect to the back door glass. The second hinge (130) includes a second bent section (131) and a second connecting section (132). The second bent section (131) is rotatably connected to the hinge seat (110). The second connecting section (132) is connected to the end of the second bent section (131) away from the hinge seat (110), and the second connecting section (132) is used to connect to the back door body. The first bent segment (121) and the second bent segment (131) have matching shapes, and the first connecting segment (122) and the second connecting segment (132) have different extension directions.
5. The rear door hinge device according to claim 4, characterized in that, The second bent segment (131) has a limiting part (134) on the back side of its rotation direction. The limiting part (134) extends to the back side of the first bent segment (121) along the arrangement direction of the first hinge (120) and the second hinge (130). When the drive assembly (200) drives the second hinge (130) to rotate and open the back door assembly, the limiting part (134) abuts against the first bending section (121) to push the first hinge (120) to rotate synchronously.
6. The rear door hinge device according to any one of claims 1-5, characterized in that, The drive assembly (200) includes a first electric strut (210) and a second electric strut (220), both of which are mounted on the vehicle body. The output end of the first electric strut (210) is connected to the first hinge (120), and the output end of the second electric strut (220) is connected to the second hinge (130).
7. The rear door hinge device according to claim 6, characterized in that, The first hinge (120) and the second hinge (130) are arranged adjacent to each other; the output end of the first electric strut (210) is connected to the side of the first hinge (120) away from the second hinge (130); the output end of the second electric strut (220) is connected to the side of the second hinge (130) away from the first hinge (120).
8. The rear door hinge device according to claim 6, characterized in that, The first electric strut (210) is rotatably connected to the vehicle body. The first hinge (120) has a rotatably configured first connecting part (123). The output end of the first electric strut (210) is rotatably connected to the first connecting part (123) so that the output end of the first electric strut (210) has two rotational degrees of freedom relative to the first hinge (120). The second electric strut (220) is rotatably connected to the vehicle body. The second hinge (130) has a rotatably configured second connecting part (133). The output end of the second electric strut (220) is rotatably connected to the second connecting part (133) so that the output end of the second electric strut (220) has two rotational degrees of freedom relative to the second hinge (130).
9. The rear door hinge device according to claim 6, characterized in that, The distance between the first electric strut (210) and the second electric strut (220) and the end connected to the vehicle body is greater than the distance between the output end of the first electric strut (210) and the output end of the second electric strut (220).
10. A vehicle, characterized in that, The device includes a body, a tailgate assembly, and a tailgate hinge device (10) as described in any one of claims 1-9, wherein the tailgate assembly is movably connected to the body, and the tailgate hinge device (10) is used to drive the tailgate assembly and the tailgate glass to open and close.