Vehicle back door stay rod mounting structure and vehicle

Abstract

This utility model provides a vehicle tailgate support rod mounting structure and a vehicle, relating to the field of vehicle component technology. The vehicle tailgate support rod mounting structure includes a support rod and a ball pin; at least one end of the support rod is provided with a ball socket and a limiting bracket. The opening of the ball socket faces the radial direction of the support rod, and the limiting bracket has a limiting hole opposite to the opening. A washer is fitted inside the inner wall of the limiting hole. The ball head of the ball pin is inserted into the spherical groove of the ball socket through the opening, and the pin rod passes through the inner hole of the washer, with zero clearance between the pin rod and the washer in the circumferential direction of the support rod. Inside the ball socket, the distance d between the pin rod and the inner wall of the ball socket in the circumferential direction of the support rod satisfies: d > s; where s is the maximum deformation of the washer caused by the pin rod pressing on one side during the operation of the support rod. When the motor starts, the pin rod and the washer of the limiting bracket directly contact and limit the movement, without any collision noise. When the motor is working normally, the continuous friction between the pin rod and the washer significantly reduces friction noise.

Description

Technical Field

[0001] This utility model relates to the field of vehicle parts technology, and more specifically, to a vehicle tailgate support rod mounting structure and a vehicle. Background Technology

[0002] As a key component for the automatic opening and closing of the tailgate, the performance and reliability of the tailgate strut directly affect the user experience. Currently, most mainstream tailgate struts on the market adopt a ball joint and socket mounting structure. A ball socket is fixed at each end of the strut, and ball joints are installed on the vehicle body and tailgate respectively, thus connecting the two ends of the strut to the vehicle body and tailgate respectively.

[0003] For motor-driven struts (i.e., electric struts), the motor's startup causes the strut and the ball joints at both ends to rotate slightly around the strut's axis. This causes the retaining edges of the ball joints to partially contact the pin, producing a knocking noise. Furthermore, as the strut and ball joints rotate relative to the ball head of the pin while the motor is operating, the contacting retaining edges of the ball joints continuously rub against the pin, generating friction noise and further lowering the user's perception of vehicle quality. Utility Model Content

[0004] The problem solved by this invention is how to reduce the abnormal noise of electric struts.

[0005] To solve the above problems, this utility model provides a vehicle tailgate support rod mounting structure and a vehicle.

[0006] In the first aspect, this utility model provides a vehicle tailgate support rod mounting structure, including a support rod and a ball pin; At least one end of the support rod is provided with a ball socket and a limiting bracket. The opening of the ball socket faces the radial direction of the support rod. The limiting bracket is provided with a limiting hole opposite to the opening of the ball socket. A washer is sleeved on the inner wall of the limiting hole. The ball head of the ball pin is inserted into the spherical groove of the ball socket through the socket, and the pin rod of the ball pin passes through the inner hole of the washer. The washer is used to limit the pin rod in the circumferential direction of the support rod. Inside the socket, the distance d between the pin and the inner wall of the socket in the circumferential direction of the strut satisfies: d>s; where s is the maximum deformation of the washer caused by the pin pressing on one side during the operation of the strut.

[0007] Furthermore, the limiting bracket includes a limiting plate disposed opposite to the socket, the limiting plate having the limiting hole, and the limiting plate being spaced apart from the ball socket.

[0008] Furthermore, the limiting bracket also includes a support plate, which is arranged in an L-shape with the limiting plate and connected to each other. The support plate is connected to the ball socket or the support rod. And / or, the limiting plate is parallel to the axis of the support rod.

[0009] Furthermore, the ball socket includes a socket body, the socket body has a receiving groove, the opening of the receiving groove forms the socket opening, the bottom of the receiving groove forms the spherical groove, the receiving groove also includes a channel between the socket opening and the spherical groove, and the pin is spaced apart from the channel wall in the circumferential direction of the support rod.

[0010] Furthermore, the channel is a straight channel with a rectangular cross-section, and each of the four side walls of the channel is provided with an arc-shaped groove in the middle. The axes of the four arc-shaped grooves are collinear, and the common axis passes through the center of the spherical groove. The diameter of each of the four arc-shaped grooves is the same as the diameter of the spherical groove.

[0011] Furthermore, the ball socket also includes a spring plate, the socket body is provided with a through groove, the spring plate is C-shaped and partially covers the outside of the socket body, and both ends of the spring plate extend into the groove through the through groove to axially limit the ball pin; And / or, the center of the spherical groove coincides with the axis of the strut; And / or, the depth direction of the receiving groove is perpendicular to the axis of the support rod.

[0012] Furthermore, the inner hole is oblong, the major axis of the inner hole is parallel to the axis of the support rod, and the gap between the two side walls of the inner hole extending along the major axis and the pin is zero.

[0013] Furthermore, the outer wall of the washer is provided with a groove, so that the cross-section of the washer is U-shaped, and the inner wall of the limiting hole is at least partially embedded in the groove; And / or, the gasket is made of rubber material; And / or, the limiting hole is an oblong hole.

[0014] Furthermore, there are two ball pins, two ball sockets, and two limiting brackets. The two ends of the support rod are respectively provided with the ball sockets and the limiting brackets, and the ball heads of the two ball pins are respectively located in the spherical grooves of the two ball sockets.

[0015] Secondly, this utility model provides a vehicle including the aforementioned vehicle tailgate support rod mounting structure.

[0016] The beneficial effects of this utility model's vehicle tailgate support rod mounting structure are: By integrating a limiting bracket structure at the end of the strut and fitting a washer on the inner wall of its limiting hole, during assembly, the ball head of the ball pin is located in the spherical groove of the ball socket, just like in a conventional structure, while the pin rod of the ball pin directly contacts the washer to form a limiting position, restricting the rotation of the ball socket and the strut around the strut axis.

[0017] For struts driven by a motor, during motor startup, the strut and ball joint dome do not rotate around the strut axis because the pin and the washer of the limiting bracket are in direct contact. Furthermore, the retaining edge of the ball joint dome remains spaced from the pin, preventing contact. Therefore, no collision noise is generated during motor startup. Additionally, during normal motor operation, the continuous friction between the retaining edge of the ball joint and the pin is converted into continuous friction between the pin and the washer. Since the washer is made of rubber, this transitions from hard friction between metal to relatively soft friction between metal and rubber, significantly reducing friction noise. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the vehicle tailgate support rod installation structure according to an embodiment of the present utility model.

[0019] Figure 2 This is a schematic diagram showing the disassembled structure of the vehicle tailgate support rod installation structure according to an embodiment of the present utility model.

[0020] Figure 3 This is a cross-sectional schematic diagram of the vehicle tailgate support rod installation structure according to an embodiment of the present utility model.

[0021] Figure 4 This is a structural diagram of the back of the ball socket of the vehicle tailgate support rod mounting structure according to an embodiment of the present utility model.

[0022] Figure 5 This is a front view of the ball socket structure of the vehicle tailgate support rod mounting structure according to an embodiment of the present utility model.

[0023] Figure 6 This is a side perspective view of the ball socket of the vehicle tailgate support rod mounting structure according to an embodiment of the present utility model.

[0024] Figure 7 This is a cross-sectional view of the ball socket with a retaining edge of the vehicle tailgate support rod mounting structure according to an embodiment of the present utility model.

[0025] Explanation of reference numerals in the attached figures: 1. Support rod; 2. Ball pin; 21. Ball head; 22. Pin; 3. Ball socket; 30. Edge retainer; 31. Socket body; 32. Receiving groove; 321. Socket opening; 322. Spherical groove; 323. Channel; 324. Arc groove; 325. Slope; 33. Spring plate; 34. Through groove; 35. Positioning groove; 4. Limiting bracket; 41. Limiting plate; 411. Limiting hole; 42. Support plate; 421. Mounting hole; 5. Washer; 51. Inner hole; 6. Mounting bracket. Detailed Implementation

[0026] To make the above-mentioned objects, features, and advantages of this utility model more apparent and understandable, specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings. Although some embodiments of this utility model are shown in the drawings, it should be understood that this utility model can be implemented in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided to provide a more thorough and complete understanding of this utility model. It should be understood that the drawings and embodiments of this utility model are for illustrative purposes only and are not intended to limit the scope of protection of this utility model.

[0027] The term "comprising" and its variations as used herein are open-ended, meaning "including but not limited to"; the term "based on" means "at least partially based on"; the term "one embodiment" means "at least one embodiment"; the term "another embodiment" means "at least one additional embodiment"; the term "some embodiments" means "at least some embodiments"; and the term "optionally" means "optional embodiments". Definitions of other terms will be given in the following description. It should be noted that the concepts of "first," "second," etc., mentioned in this utility model are only used to distinguish different devices, modules, or units, and are not used to limit the order of functions performed by these devices, modules, or units or their interdependencies.

[0028] It should be noted that the terms "one" and "multiple" used in this utility model are illustrative rather than restrictive. Those skilled in the art should understand that, unless explicitly stated otherwise in the context, they should be understood as "one or more". "Several" refers to one or more "one or more".

[0029] like Figure 1-3As shown, this utility model embodiment provides a vehicle tailgate support rod installation structure, including a support rod 1 and a ball pin 2; at least one end of the support rod 1 is provided with a ball socket 3 and a limiting bracket 4, the socket 3 has an opening 321 facing the radial direction of the support rod 1, the limiting bracket 4 has a limiting hole 411 opposite to the socket 321, and a washer 5 is sleeved on the inner wall of the limiting hole 411; the ball head 21 of the ball pin 2 is inserted into the spherical groove 322 of the ball socket 3 through the socket 321, and the pin 22 of the ball pin 2 passes through the inner hole 51 of the washer 5, the washer 5 is used to limit the pin 22 in the circumferential direction of the support rod 1; inside the ball socket 3, the distance d between the pin 22 in the circumferential direction of the support rod 1 and the inner wall of the ball socket 3 satisfies: d>s; where s is the maximum deformation of the washer 5 caused by the pin 22 pressing on one side during the operation of the support rod 1.

[0030] In this embodiment, by integrating a limiting bracket 4 structure at the end of the strut 1 and fitting a washer 5 on the inner wall of its limiting hole 411, during assembly, the ball head 21 of the ball pin 2 is located in the spherical groove 322 of the ball socket 3, just like in a conventional structure, while the pin 22 of the ball pin 2 passes through the washer 5 on the limiting bracket 4 and is limited by cooperating with the washer 5 in the circumferential direction of the strut 1, so that the ball pin 2 and the strut 1 form mutual limiting in the circumferential direction of the strut 1, thereby restricting the rotation of the ball socket 3 and the strut 1 around the axis of the strut 1.

[0031] In related technologies, the strut 1 and the ball pin 2 are used for relative rotation to change the angle between their axes, thereby opening or closing the back door. Therefore, the ball socket 3 of the strut 1 and the ball pin 2 only need to rotate relative to each other in one dimension. Thus, as... Figure 7 As shown, the ball socket 3 has two side guards 30 on opposite sides of the circumference of the support rod 1 at the socket 321. The two side guards 30 form the rotatable path of the ball pin 2 and restrict the mutual rotation of the ball socket 3 and the ball pin 2 in other dimensions. However, in order to facilitate the insertion of the ball head 21 into the spherical groove 322 of the ball socket 3, the distance between the two side guards 30 is often greater than the diameter of the pin 22. As a result, when the motor starts, the support rod 1 and the ball sockets 3 at both ends will also rotate slightly around the axis of the support rod 1, so that the side guards of the ball socket 3 come into contact with the pin 22 of the ball pin 2 and produce a collision noise.

[0032] In this embodiment, the limiting bracket 4 and the washer 5 mutually limit the ball pin 2 and the strut 1 in the circumferential direction of the strut 1, thereby restricting the rotation of the ball socket 3 and the strut 1 around the axis of the strut 1. This restricts the mutual rotation of the ball socket 3 and the ball pin 2 in other dimensions, thus eliminating the need for the flange 30 design. This avoids contact between the ball pin 2 and the flange 30 of the ball socket 3, solving the problem of abnormal noise caused by their collision and friction. Even if the flange 30 structure of the ball socket 3 is retained, contact between the pin 22 of the ball pin 2 and the flange 30 of the ball socket 3 can be avoided, thus preventing the abnormal noise caused by their collision and friction. A detailed analysis follows: For the support rod 1 driven by a motor, when the motor starts, the support rod 1 and the ball socket 3 undergo a slight rotation relative to the pin 22 around the axis of the support rod 1. This causes the pin 22 to contact and be limited by the washer 5 of the limiting bracket 4 along the two opposite side walls of the support rod 1 circumferentially. Meanwhile, the retaining edge 30 of the ball socket 3 remains spaced apart from the pin 22 and does not contact it. Therefore, no collision noise is generated when the motor starts. Furthermore, since the retaining edge 30 of the ball socket 3 does not contact the pin 22, there is no continuous friction between them due to the relative rotation of the ball socket 3 and the ball pin 2, thus avoiding friction noise. Additionally, although there is friction between the pin 22 of the ball pin 2 and the washer 5 when the ball socket 3 and the ball pin 2 rotate relative to each other, the washer 5 is usually made of a relatively weak material such as rubber. The friction is not a hard metal-to-metal friction, but a relatively gentle friction, thus significantly reducing the occurrence of friction noise.

[0033] Additionally, it is understandable that since the diameter of the ball head 21 in the ball pin 2 is larger than the diameter of the pin 22, there is often a gap between the pin 22 and the inner wall of the ball socket 3 inside the ball socket 3. In this embodiment, the distance d between the pin 22 and the inner wall of the ball socket 3 in the circumferential direction of the strut 1 is set to be greater than s, where s is the maximum deformation of the washer 5 under unilateral compression. This ensures that even if the ball socket 3 compresses the washer 5 and generates a small rotation around the axis of the strut 1, the amount of rotational displacement is not enough to cause the inner wall of the ball socket 3 to contact the pin 22. Thus, when the motor drives the strut 1, it can be effectively prevented that the pin 22 will contact the inner wall of the ball socket 3 due to excessive compression of the washer 5. Therefore, during the operation of the strut 1, the pin 22 and the inner wall of the ball socket 3 can be kept at a distance in the circumferential direction of the strut 1, completely avoiding contact friction between the two.

[0034] It should be noted that after the pin 22 of the ball pin 2 passes through the inner hole 51 of the washer 5, it is connected to the vehicle body or tailgate. The pin 22 of the ball pin 2 needs to rotate relative to the ball socket 3. Therefore, the part of the pin 22 extending from the ball socket 3 has a gap with the ball socket 3, whether in the circumferential direction of the strut 1 or in other directions, to meet the requirements of the assembly process and the relative rotation function.

[0035] Optionally, such as Figure 2 As shown, the limiting bracket 4 includes a limiting plate 41 disposed opposite to the socket 321 of the ball socket 3. The limiting plate 41 has a limiting hole 411 and is spaced apart from the ball socket 3.

[0036] In this optional embodiment, the limiting bracket 4 includes a limiting plate 41 directly opposite the socket 321 of the ball socket 3, and a limiting hole 411 is formed on the limiting plate 41. The structural design is simple and ingenious. The limiting plate 41 and the ball socket 3 are spaced apart, and the gap can accommodate a certain installation error, reducing the difficulty and precision requirements of installation. Furthermore, in subsequent maintenance, if it is necessary to inspect or replace the limiting bracket 4 or the ball socket 3, the gap makes it easier for operators to access the relevant components, improving the efficiency and convenience of maintenance.

[0037] Optionally, such as Figure 2 As shown, the limiting bracket 4 also includes a support plate 42, which is arranged in an L-shape with the limiting plate 41 and connected to each other. The support plate 42 is connected to the ball socket 3 or the strut 1.

[0038] In this optional embodiment, the limiting bracket 4 is equipped with a support plate 42 to connect with the ball socket 3 or the strut 1. The support plate 42 and the limiting plate 41 are arranged in an L-shape and connected to each other, forming a stable frame structure to withstand the reaction force from the pin 22. In addition, the L-shaped structure design allows the limiting bracket 4 to perfectly adapt to the spatial structure at the end of the strut 1 without increasing the space occupation, making the spatial layout of the installation structure at the end of the strut 1 reasonable.

[0039] Optionally, such as Figure 2 As shown, the support plate 42 has mounting holes 421. The support plate 42 is fitted onto the ball socket 3 or the strut 1 through the mounting holes 421 and welded to fix it.

[0040] In this optional embodiment, the support plate 42 is fitted onto the ball socket 3 or the strut 1 through mounting holes 421 and welded in place, ensuring reliable connection and ease of manufacturing. Furthermore, the tail of the ball socket 3 is typically provided with a threaded connecting shaft head, which is threadedly connected to the lead screw sleeve and outer sleeve of the strut 1. Additionally, the above-described methods of fixing the support plate 42 and the ball socket 3 to the strut 1 are merely examples and do not constitute a limitation of the present invention.

[0041] Optionally, the limiting plate 41 is parallel to the axis of the support rod 1.

[0042] In this optional embodiment, by designing the limiting plate 41 as a planar plate and keeping it parallel to the axis of the support rod 1, the spatial layout of the L-shaped limiting bracket 4 at the end of the support rod 1 is further optimized, which can better adapt to the limited space inside the vehicle.

[0043] Optionally, such as Figure 2-4 As shown, the ball socket 3 includes a socket body 31, the socket body 31 has a receiving groove 32, the opening of the receiving groove 32 forms a socket opening 321, the bottom of the receiving groove 32 forms a spherical groove 322, the receiving groove 32 also includes a channel 323 between the socket opening 321 and the spherical groove 322, the pin 22 is spaced apart from the groove wall of the channel 323 in the circumferential direction of the support rod 1, the interval being the aforementioned interval d.

[0044] In this optional embodiment, a recess 321, a spherical groove 322, and a channel 323 located between the two are formed by opening a receiving groove 32 on the recess body 31. The channel wall of the channel 323 is spaced apart from the pin 22. When the motor starts and operates normally, due to the direct contact and limiting of the pin 22 by the washer 5, the two sides of the pin 22 are spaced apart from the channel wall of the channel 323 along the circumferential direction of the support rod 1. That is, during the operation of the support rod 1, the pin 22 and the channel wall of the ball recess 3 will not come into contact or rub against each other, and no collision or friction noise will be generated.

[0045] It should be noted that the retaining edge 30 of the aforementioned ball socket 3 can be understood as the outward extension of the channel 323. In this application, the pin 22 is limited upward around the support rod 1 by the limiting bracket 4 and the washer 5. It is not necessary for the channel wall or retaining edge 30 of the channel 323 to limit the pin 22 upward around the support rod 1. Therefore, the retaining edge 30 structure can be eliminated, and the channel wall size of the channel 323 can be set to be shorter.

[0046] Specifically, in the circumferential direction of the strut 1, the distance d between the pin 22 and the groove wall of the channel 323 can be 0.2-2.5mm.

[0047] Optionally, such as Figure 5 and Figure 6 As shown, the channel 323 is a straight channel with a rectangular cross-section. Each of the four side walls of the channel 323 has an arc-shaped groove 324 in the middle. The axes of the four arc-shaped grooves 324 are collinear, and the common axis passes through the center of the spherical groove 322. The diameters of the four arc-shaped grooves 324 are the same as the diameter of the spherical groove 322.

[0048] In this optional embodiment, the channel 323 is designed as a straight channel structure with a near-rectangular cross-section. The four side walls are respectively provided with collinear arc-shaped grooves 324. The diameters of the four arc-shaped grooves 324 are all the same as the diameter of the spherical groove 322, and their axes coincide with the center of the spherical groove 322. This design ensures that the ball head 21 can extend into the spherical groove 322 through the channel 323, and allows the pin 22 to swing within the straight channel of the channel 323 with the spherical groove 322 as the center, thereby enabling the support rod 1 to swing relative to the ball pin 2.

[0049] In addition, the portion of the sidewall with the longer side of the channel 323, excluding the arc-shaped groove 324, is parallel to the axis of the strut 1, while the portion of the sidewall with the shorter side, excluding the arc-shaped groove 324, is perpendicular to the axis of the strut 1. To facilitate the insertion of the ball head 21, a slope 325 can be provided at the edge of the sidewall with the shorter side of the channel 323 for guidance.

[0050] Optionally, such as Figure 3 As shown, the cross-section of the main body 31 along the radial direction of the support rod 1 is U-shaped, and the U-shaped cavity forms the receiving groove 32. The overall structure is simple and easy to process.

[0051] Optionally, the center of the spherical groove 322 coincides with the axis of the strut 1.

[0052] In this optional embodiment, by aligning the center of the spherical groove 322 with the axis of the support rod 1, it can be ensured that the pin 22 maintains a uniform force state during the rotation of the support rod 1, thereby improving the stability and service life of the transmission system.

[0053] Optionally, the depth direction of the receiving groove 32 is perpendicular to the axis of the support rod 1.

[0054] In this optional embodiment, by designing the depth direction of the receiving groove 32 to be perpendicular to the axis of the support rod 1, the three-dimensional utilization of the internal space of the nest body 31 is realized, and the structural design is ingenious and reasonable.

[0055] Optionally, such as Figure 3 and Figure 4 As shown, the ball socket 3 also includes a spring plate 33. The socket body 31 is provided with a through groove 34. The spring plate 33 is C-shaped and partially covers the outside of the socket body 31. The two ends of the spring plate 33 extend into the channel 323 through the through groove 34 to axially limit the ball pin 2.

[0056] In this optional embodiment, the ball socket 3 forms a flexible limiting mechanism with the through groove 34 of the socket body 31 via an integrated C-shaped spring sheet 33. The two ends of the spring sheet 33 extend into the channel 323 through the symmetrical through groove 34 on the side wall of the socket body 31 and are engaged on the side of the ball head 21 near the pin 22, so as to elastically limit the ball pin 2 axially and prevent the ball pin 2 from coming out of the ball socket 3.

[0057] Specifically, such as Figure 4As shown, there are two through slots 34, which are formed on the end face of the socket body 31 along the axial direction of the support rod 1 and penetrate the radial side wall of the socket body 31 along the support rod 1. The two through slots 34 are arranged symmetrically in a figure-eight shape and both extend into the channel 323. The spring plate 33 can be assembled onto the socket body 31 through the through slots 34. After assembly, the two ends of the spring plate 33 extend into the channel 323 respectively, axially limiting the ball pin 2. The main body of the spring plate 33 surrounds the side wall of the socket body 31 away from the socket opening 321. In addition, the socket body 31 is also a symmetrical structure, with the plane of symmetry passing through the axis of the support rod 1. This plane of symmetry is also the plane of symmetry of the two through slots 34. The socket body 31 is provided with a positioning groove 35 on the radial side wall of the support rod 1. The positioning groove 35 is used to fit and lock with the main body of the spring plate 33, limiting the spring plate 33 along the axial direction of the support rod 1.

[0058] Optionally, such as Figure 2 As shown, the inner hole 51 is an oblong hole, the long axis of the inner hole 51 is parallel to the axis of the support rod 1, and the gap between the two side walls of the inner hole 51 extending along the long axis and the pin 22 is zero.

[0059] In this optional embodiment, the inner hole 51 adopts a waist-shaped hole configuration. In terms of spatial geometry, the major axis of the inner hole 51 is set to be parallel to the axis of the support rod 1, and the gap between the two side walls extending along the minor axis and the pin 22 is reserved space for the rotation of the pin 22. In the major axis direction, the two side walls of the inner hole 51 and the pin 22 achieve zero clearance fit, that is, the two are initially in direct contact. This zero clearance contact can effectively transmit force and constrain movement, thereby accurately limiting the pin 22 in the minor axis direction and avoiding contact between the pin 22 and the ball socket 3.

[0060] Optionally, such as Figure 2 As shown, the outer wall of the washer 5 is provided with a groove, so that the cross-section of the washer 5 is U-shaped, and the inner wall of the limiting hole 411 is at least partially embedded in the groove.

[0061] In this optional embodiment, a groove is provided on the outer wall of the washer 5, giving the cross-section of the washer 5 a U-shaped structural feature. During assembly, the groove on the outer wall of the washer 5 plays a crucial role in positioning and fixing. When the washer 5 is installed into the limiting hole 411, the groove can achieve a tight fit with the circumference of the limiting hole 411. Through mechanical interlocking and friction, displacement of the washer 5 is effectively prevented, greatly improving the fixing stability of the washer 5.

[0062] In addition, the washer 5 is designed with an elongated ring geometry, and the shape of the elongated ring can form the aforementioned elongated hole-shaped inner hole 51.

[0063] Optionally, washer 5 is made of rubber material, specifically EPDM material. EPDM is a saturated polymer with low compression set and slow stress relaxation. It maintains its elasticity even after long-term use, providing a continuous and stable cushioning effect for the gasket.

[0064] Optionally, such as Figure 2 As shown, the limiting hole 411 is an oblong hole that fits the elongated annular washer 5.

[0065] Optionally, there are two ball pins 2, two ball sockets 3, and two limiting brackets 4. The two ends of the strut 1 are respectively provided with ball sockets 3 and limiting brackets 4, and the ball heads 21 of the two ball pins 2 are respectively located in the spherical grooves 322 of the two ball sockets 3.

[0066] In this optional embodiment, a ball socket 3 and a limiting bracket 4 are respectively provided at both ends of the strut 1. Each ball socket 3 is adapted to a ball pin 2. The two ball pins 2 are respectively fixed to the vehicle body or the tailgate by the mounting bracket 6 to realize the installation of the strut 1.

[0067] In use, after the support rod 1 is installed, the pin 22 engages with the washer 5 with zero clearance in the circumferential direction of the support rod 1. That is, along the circumference of the support rod 1, the clearance between both sides of the pin 22 and the washer 5 is zero, thereby restricting the rotation of the ball socket 3 and the limiting bracket 4 around the axis of the support rod 1. During motor startup and normal operation, the pin 22 will not contact the sidewall of the ball socket 3's retaining edge 30, i.e., the channel 323, and will not produce collision or friction noise. It should be noted that, for assembly and other process requirements, the dimensions of the portion of the pin 22 corresponding to the channel 323 are all smaller than the dimensions of the channel 323, so that a gap exists between them after assembly.

[0068] This utility model provides a vehicle including the aforementioned vehicle tailgate strut mounting structure. The technical improvements and technical effects of the vehicle are the same as those of the vehicle tailgate strut mounting structure.

[0069] Although the present invention has been disclosed above, its protection scope is not limited thereto. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, and all such changes and modifications will fall within the protection scope of the present invention.

Claims

1. A vehicle tailgate strut mounting structure, characterized in that, Includes a strut (1) and a ball pin (2); At least one end of the support rod (1) is provided with a ball socket (3) and a limiting bracket (4). The opening (321) of the ball socket (3) faces the radial direction of the support rod (1). The limiting bracket (4) is provided with a limiting hole (411) opposite to the opening (321). A washer (5) is sleeved on the inner wall of the limiting hole (411). The ball head (21) of the ball pin (2) is inserted into the spherical groove (322) of the ball socket (3) through the socket (321), and the pin (22) of the ball pin (2) passes through the inner hole (51) of the washer (5). The washer (5) is used to limit the pin (22) in the circumferential direction of the support rod (1). Inside the ball socket (3), the distance d between the pin (22) and the inner wall of the ball socket (3) in the circumferential direction of the support rod (1) satisfies: d>s; where s is the maximum deformation of the washer (5) caused by the pin (22) pressing on one side during the operation of the support rod (1).

2. The vehicle tailgate support rod mounting structure according to claim 1, characterized in that, The limiting bracket (4) includes a limiting plate (41) disposed opposite to the socket (321), the limiting plate (41) having the limiting hole (411), and the limiting plate (41) and the ball socket (3) being spaced apart.

3. The vehicle tailgate support rod mounting structure according to claim 2, characterized in that, The limiting bracket (4) also includes a support plate (42), which is arranged in an L-shape with the limiting plate (41) and connected to each other. The support plate (42) is connected to the ball socket (3) or the strut (1). And / or, the limiting plate (41) is parallel to the axis of the support rod (1).

4. The vehicle tailgate support rod mounting structure according to claim 1, characterized in that, The ball socket (3) includes a socket body (31), the socket body (31) has a receiving groove (32), the opening of the receiving groove (32) forms the socket opening (321), the bottom of the receiving groove (32) forms the spherical groove (322), the receiving groove (32) also includes a channel (323) between the socket opening (321) and the spherical groove (322), and the pin (22) is spaced apart from the groove wall of the channel (323) in the circumferential direction of the support rod (1).

5. The vehicle tailgate strut mounting structure according to claim 4, characterized in that, The channel (323) is a straight channel with a rectangular cross-section. Each of the four side walls of the channel (323) is provided with an arc-shaped groove (324). The axes of the four arc-shaped grooves (324) are collinear, and the common axis passes through the center of the spherical groove (322). The diameters of the four arc-shaped grooves (324) are the same as the diameter of the spherical groove (322).

6. The vehicle tailgate strut mounting structure according to claim 4, characterized in that, The ball socket (3) also includes a spring plate (33), the socket body (31) is provided with a through groove (34), the spring plate (33) is C-shaped and partially covers the outside of the socket body (31), and the two ends of the spring plate (33) extend into the channel (323) through the through groove (34) to axially limit the ball pin (2); And / or, the center of the spherical groove (322) coincides with the axis of the strut (1); And / or, the groove depth direction of the receiving groove (32) is perpendicular to the axis of the support rod (1).

7. The vehicle tailgate support rod mounting structure according to claim 1, characterized in that, The inner hole (51) is waist-shaped, the long axis of the inner hole (51) is parallel to the axis of the support rod (1), and the two side walls of the inner hole (51) extending along the long axis are in zero-clearance fit with the pin (22).

8. The vehicle tailgate strut mounting structure according to claim 1, characterized in that, The outer wall of the washer (5) is provided with a groove, so that the cross-section of the washer (5) is U-shaped, and the inner wall of the limiting hole (411) is at least partially embedded in the groove. And / or, the gasket (5) is made of rubber material; And / or, the limiting hole (411) is an oblong hole.

9. The vehicle tailgate support rod mounting structure according to claim 1, characterized in that, There are two ball pins (2), two ball sockets (3) and two limiting brackets (4). The two ends of the support rod (1) are respectively provided with the ball sockets (3) and the limiting brackets (4). The ball heads (21) of the two ball pins (2) are respectively located in the spherical grooves (322) of the two ball sockets (3).

10. A vehicle, characterized in that, Includes the vehicle tailgate strut mounting structure as described in any one of claims 1-9.

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