Automobile tail door lateral limiting block and automobile

Abstract

The automobile tail door lateral limiting block comprises a base, a latch locking assembly and limiting block fixing assemblies, the latch locking assembly is fixedly connected to the middle of the base, and the two limiting block fixing assemblies are symmetrically and fixedly connected to the two ends of the base and fixedly connected to an automobile body metal plate. The latch locking structure is separated from the limiting block fixing structure, the situation that parts are scrapped due to the fact that fastening torque is too large in the line production process and the limiting block is crushed in the installation process is avoided, and meanwhile the situation that when a user uses a vehicle, due to the fact that torque attenuation of a limiting block fixing screw is too large, parts are damaged is avoided. And the situation that the limiting block latch structure is loosened and falls off is avoided. A sealing structure is added, the waterproof effect of the lateral limiting block of the automobile tail door is improved, cost is reduced, and the service life of the automobile tail door is prolonged.

Description

Technical Field

[0001] The utility model belongs to the technical field of automobile parts, and in particular relates to a lateral limiting block for an automobile tailgate and an automobile. Background Art

[0002] Tailgate side stops are typically mounted on the tailgate and are typically made of rubber or a combination of plastic, rubber, and metal. They primarily provide cushioning, dust protection, and waterproofing. A well-designed stopper structure prevents friction and collision between the opening and closing components and the vehicle body during driving. It also cushions the impact of the closing process, ensuring a smooth closing. The quality of the door stopper directly impacts driving comfort and the tailgate's service life.

[0003] Patent CN202022821711.9 introduces a lateral limit block solution. The limit block has a detent structure and the thickness of the limit block is adjustable, that is, the compression amount is adjustable, which facilitates the adjustment of the limit force. The limit block has two clips, which are mainly used for installation positioning and anti-rotation when tightening the screws. The limit block is provided with a screw connection point, which has two functions: one is to fix the limit block to the vehicle body, and the other is to lock the detent structure. The limit block has a compact structure and complete functions, but has the following problems: 1) The size of the limit block is controlled by the supplier, and the size of the vehicle body is controlled by the OEM. When the two parts are matched, a gap will be generated between the metal bushing and the nut of the limit block in the tightening area. When the gap is large, the tightening force will inevitably cause a large deformation in this area, consume the tightening force, and cause the tightening torque to be greatly attenuated, and even damage the limit block structure. 2) The contact area between the screw and the metal bushing is small, and tightening will also cause the bushing to deform, thereby causing the screw tightening torque to attenuate. Furthermore, the detent structure fluctuates with part size, significantly reducing torque and causing screw loosening. The stopper may also cause the detent to fall off during use, resulting in functional loss. 3) Water seepage can occur through the gap between the metal bushing and the body nut, necessitating the use of plugged rivet nuts and sealed screws, which significantly increases costs. Utility Model Content

[0004] The purpose of the utility model is to provide a lateral limit block for a car tailgate and a car, which is separated from the limit block fixing structure by a latch locking, so as to avoid the situation in which the limit block is crushed during installation due to excessive tightening torque in the production process and the parts are scrapped. At the same time, it can avoid the situation in which the limit block latch structure becomes loose or falls off due to excessive torque attenuation of the limit block fixing screws during the use of the vehicle by the user; the structure of the sealing gasket is added to improve the waterproof effect of the car tailgate lateral limit block, reduce costs and extend the service life of the car tailgate.

[0005] The specific plan is as follows:

[0006] A lateral limit block for a car tailgate comprises a base, a latch locking assembly and a limit block fixing assembly. The latch locking assembly is fixedly connected to the middle of the base, and two groups of limit block fixing assemblies are symmetrically fixedly connected to the two ends of the base and fixedly connected to the body sheet metal.

[0007] The latch locking assembly and the limit block fixing assembly of the automobile tailgate lateral limit block are respectively fixedly connected to the base. The latch locking assembly is fixedly connected to the middle of the base. The two sets of limit block fixing assemblies are symmetrically fixedly connected to the two ends of the base, and the base is connected to the body sheet metal. The latch locking assembly is separated from the limit block fixing assembly. The latch locking is still fastened with screws, but the screws are not associated with the body. In this structure, all matching parts are controlled by a single supplier, and the overhanging dimensions are easy to control, which can effectively reduce the probability of part deformation and significant torque attenuation after tightening. The limit block is fixed with two-point screw connection. The limit block base is directly connected to the body sheet metal. The dimensional chain is short, avoiding the problem of torque loss in tightening the multi-layer structure. At the same time, the two-point fixation can solve the problem of part rotation when tightening the screws.

[0008] Furthermore, the base includes a latch mounting position and a limit block mounting position. The latch mounting position is a rectangular inner groove structure and is arranged in the middle of the base. The two limit block mounting positions are symmetrically arranged at both ends of the base. Each limit block mounting position is a circular inner groove structure. The latch locking assembly is fixedly connected to the latch mounting position. The two groups of limit blocks are seated and the fixing assembly is fixedly connected to the corresponding limit block mounting positions.

[0009] The base includes a latch mounting area and a stopper mounting area. The latch mounting area is located in the center of the base and has a rectangular internal groove. The latch locking assembly is fixedly connected to the internal groove of the latch mounting area. Two stopper mounting areas are symmetrically located at either end of the base. Each stopper mounting area has a circular internal groove. The screws of each stopper fixing assembly are installed in the corresponding circular internal groove and fixedly connected to the body sheet metal thread. The two sets of stopper fixing assemblies completely secure the entire stopper to the body sheet metal.

[0010] Furthermore, a first sunken mounting hole is provided at the center of the latch mounting position. The first sunken mounting hole is a sunken platform hole with an inner hexagonal structure at the upper end and a coaxial annular groove at the lower end. Locking convex surfaces with rectangular serrated structures are symmetrically provided on the upper end faces of the base on the left and right sides of the first sunken mounting hole. The latch locking assembly is fixedly connected in the first sunken mounting hole and the end face is engaged with the locking convex surface.

[0011] A first sunken mounting hole is provided at the center of the latch mounting position. The first sunken mounting hole is a sunken platform hole. The upper end of the first sunken mounting hole is a hexagonal structure, and the lower end is provided with a coaxial annular groove. The limit nut of the latch locking assembly is embedded and limited in the first sunken mounting hole. The screw of the latch locking assembly is fixed in the limit nut, which is not easy to loosen during long-term use and the connection is firm. The upper end surfaces of the base on the left and right sides of the first sunken mounting hole are symmetrically provided with rectangular serrated locking convex surfaces. The locking convex surfaces are meshed and connected with the locking concave surfaces of the latch locking assembly. The serrated bites are tight, the connection is more secure, and the problem of the latch falling off will not occur.

[0012] Furthermore, the latch locking assembly includes a latch, a metal bushing, a limit nut and a locking screw. A rectangular concave surface is provided in the middle of the upper end surface of the latch, a second sunken mounting hole is provided at the center of the concave surface, and the second sunken mounting hole is an elliptical through hole. The lower end of the metal bushing is an elliptical cylinder, and the upper end of the cylinder is provided with an elliptical ring-shaped outer edge. The cylinder of the metal bushing is matched and embedded in the second sunken mounting hole, and the outer edge of the metal bushing is limitedly clamped on the upper end surface of the concave surface. The limit nut The upper end is hexagonal and the lower end surface is provided with an annular clamping plate. The limit nut is matched and embedded in the first sunken mounting hole. The annular clamping plate is clamped in the annular groove. The locking screw is successively passed through the metal bushing and the first sunken mounting hole and screwed into the limit nut. The screw rod of the locking screw is exposed outside the lower end surface of the limit nut. The lower end surfaces of the detents on the left and right sides of the second sunken mounting hole are symmetrically provided with locking concave surfaces with a rectangular serrated structure, and each locking concave surface is matched and engaged with the locking convex surface on the same side.

[0013] The latch locking assembly has a second sunken mounting hole at the center of the rectangular concave surface of the latch. The second sunken mounting hole is an elliptical through-hole. The lower end of the metal bushing is an elliptical cylindrical body, and the upper end of the cylindrical body is provided with an elliptical annular outer edge. The cylindrical body of the metal bushing is matched and embedded in the second sunken mounting hole, and the outer edge of the metal bushing is precisely engaged with the upper end surface of the concave surface. The limit nut is a composite nut with a hexagonal nut at its upper end and an annular retaining plate at its lower end. The limit nut is fixedly embedded in the first sunken mounting hole. The hexagonal nut at the upper end of the limit nut is matched and connected with the inner hexagonal structure at the upper end of the first sunken mounting hole, and the annular retaining plate is engaged with the annular retaining groove. The locking screw is sequentially inserted into the metal bushing and the first sunken mounting hole and screwed into the limit nut embedded in the first sunken mounting hole. The screw rod of the locking screw is exposed outside the lower end surface of the limit nut. The locking screw and the limit nut engage to secure the latch securely in the first recessed mounting hole, preventing it from loosening due to vehicle jolts and vibrations. Rectangular, serrated locking concave surfaces are symmetrically positioned on the lower end faces of the latches on either side of the second recessed mounting hole, engaging with the convex locking surfaces on the same side.

[0014] Furthermore, the outer diameter of the annular clamping plate is larger than the outer diameter of the lower end of the first sunken mounting hole.

[0015] The outer diameter of the annular clamping plate is larger than the outer diameter of the lower end of the first sunken mounting hole, which can ensure that the limiting nut can be limited in the first sunken mounting hole and will not fall out.

[0016] Furthermore, each limit block mounting position includes a circular concave screw mounting surface and an annular sealing groove. The two screw mounting surfaces are respectively arranged on the upper end surfaces corresponding to the left and right ends of the base. A third sunken mounting hole is provided at the center of each screw mounting surface. The annular sealing groove is provided on the lower end surface of the screw mounting surface and is coaxial with the third sunken mounting hole. Four sealing holes are evenly distributed on the outer circular edge of each screw mounting surface. The limit block fixing assembly is fixedly connected to the third sunken mounting hole and sealed to the sealing hole.

[0017] The screw mounting surface and the annular sealing groove of each limit block mounting position are arranged back to back, the third sunken mounting hole is a through hole, the upper end surface of the third sunken mounting hole is the screw mounting surface, and a coaxial annular sealing groove is provided on the lower end surface of the third sunken mounting hole. Four sealing holes are evenly distributed on the outer circular edge of each screw mounting surface, and the four T-shaped sealing protrusions of the sealing gasket of the limit block fixing assembly are correspondingly clamped in the third sunken mounting hole and connected to the sealing hole.

[0018] Furthermore, the limit block fixing assembly includes a fixing screw, a body nut and a sealing gasket. The sealing gasket is annular and has four T-shaped sealing protrusions evenly distributed on its outer edge. The four sealing protrusions are respectively clamped in the corresponding sealing holes. The sealing gasket is embedded in the annular sealing groove. A limit block mounting hole is provided on the body sheet metal. The fixing screw is passed through the third sunken mounting hole and the limit block mounting hole, and the screw rod of the fixing screw is exposed outside the lower end surface of the body sheet metal. The body nut is threadedly sleeved on the screw rod of the fixing screw and screwed on the lower end surface of the body sheet metal.

[0019] The gasket's four sealing protrusions snap into corresponding sealing holes on the screw mounting surface. The gasket is embedded in the annular sealing groove on the lower end of the screw mounting surface. The gasket's structure and connection method effectively prevent water from seeping into the vehicle through the body sheet metal's stopper mounting hole. The screw passes through the third sunken mounting hole and the stopper mounting hole, threading into the body nut. The body nut is then screwed onto the lower end of the door sheet metal, completely securing the stopper to the upper end of the door sheet metal.

[0020] A car comprises the car tailgate lateral limiting block.

[0021] Compared with the prior art, the present invention has the following beneficial effects:

[0022] 1. This utility model adopts a design that separates the latch locking structure from the limit block fixing structure, which can effectively prevent the latch from loosening and falling during long-term use;

[0023] 2. The utility model adopts a design that separates the latch locking and the limit block fixing structure, which avoids the situation in which the limit block is crushed during installation and the parts are scrapped due to excessive tightening torque during production;

[0024] 3. The utility model adopts a design in which the latch locking and the limit block fixing structure are separated, a sealing gasket is provided on the limit block fixing point, and a connection method is adopted in which the sealing gasket protrusion is clamped into the sealing hole on the base, which effectively prevents water from seeping into the interior of the door sheet metal from the limit block fixing point. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0026] Figure 2 This is a schematic diagram of the front structure of the base of the utility model;

[0027] Figure 3 This is a schematic diagram of the reverse structure of the base of the utility model;

[0028] Figure 4 This is a front structural diagram of the latch locking assembly of the present invention;

[0029] Figure 5 This is a schematic diagram of the reverse structure of the latch of the present invention;

[0030] Figure 6 This is a schematic diagram of the connection between the locking screw, metal bushing and limit nut of the utility model;

[0031] Figure 7 This is a schematic structural diagram of the limit block fixing assembly of the present utility model;

[0032] Figure 8 This is a schematic structural diagram of the sealing gasket of the present invention.

[0033] In the picture:

[0034] 1. Base; 11. Latch mounting position; 111. First sunken mounting hole; 112. Locking convex surface; 12. Stopper mounting position; 121. Screw mounting surface; 1211. Sealing hole; 122. Annular sealing groove; 123. Third sunken mounting hole; 2. Latch locking assembly; 21. Latch; 210. Inner concave surface; 211. Second sunken mounting hole; 212. Locking concave surface; 22. Metal bushing; 221. Cylinder body; 222. Outer edge; 23. Stop nut; 231. Annular clamp; 24. Locking screw; 241. Locking screw rod; 3. Stopper fixing assembly; 31. Fixing screw; 311. Fixing screw rod; 32. Body nut; 33. Sealing gasket; 331.

[0035] Sealing convex part; 4. Body sheet metal. DETAILED DESCRIPTION

[0036] In order to make the purpose, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below with reference to the accompanying drawings. Obviously, the embodiments described are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts shall fall within the scope of protection of the present invention.

[0037] The terms used in this utility model are only for the purpose of describing specific embodiments and are not intended to limit the utility model. The singular forms "a", "an", and "the" used in this utility model and the appended claims are also intended to include plural forms, unless the context clearly indicates otherwise, and "a plurality" generally includes at least two.

[0038] It should be noted that the terms "front", "rear", "inside" and "outside" in the present invention indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as a limitation on the present invention.

[0039] It should be noted in particular that any symbols and / or numbers in the specification that are not marked in the accompanying drawings are not drawing marks.

[0040] The embodiment provided by the present invention, namely an embodiment of a car tailgate lateral limit block and a car, is described below in conjunction with Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 、 Figure 6 、 Figure 7 and Figure 8 Provide detailed explanation.

[0041] Example 1:

[0042] See Figure 1 As shown, a lateral limit block for a car tailgate includes a base 1, a latch locking assembly 2 and a limit block fixing assembly 3. The latch locking assembly 2 is fixedly connected to the middle of the base 1, and two groups of limit block fixing assemblies 3 are symmetrically fixedly connected to the two ends of the base 1 and fixedly connected to the body sheet metal 4.

[0043] See Figure 1 、 Figure 2 As shown, the base 1 includes a latch mounting position 11 and a limit block mounting position 12. The latch mounting position 11 is a rectangular inner groove structure and is arranged in the middle of the base 1. The two limit block mounting positions 12 are symmetrically arranged at both ends of the base 1. Each limit block mounting position 12 is a circular inner groove structure. The latch locking assembly 2 is seated and fixedly connected to the latch mounting position 11, and the two groups of limit block fixing assemblies 3 are fixedly connected to the corresponding limit block mounting positions 12.

[0044] A first sunken mounting hole 111 is provided at the center of the latch mounting position 11. The first sunken mounting hole 111 is a sunken platform hole with an inner hexagonal structure at the upper end and a coaxial annular groove at the lower end. Locking convex surfaces 112 with rectangular serrated structures are symmetrically provided on the upper end surfaces of the base 1 on the left and right sides of the first sunken mounting hole 111. The latch locking assembly 2 is fixedly connected to the first sunken mounting hole 111 and the end face is engaged with the locking convex surface 112.

[0045] See Figure 3 、 Figure 4 、 Figure 5As shown, the latch locking assembly 2 includes a latch 21, a metal bushing 22, a limiting nut 23 and a locking screw 24. A rectangular inner concave surface 210 is provided in the middle of the upper end surface of the latch 21, and a second sunken mounting hole 211 is provided at the center of the inner concave surface 210. The second sunken mounting hole 211 is an elliptical through hole. The lower end of the metal bushing 22 is an elliptical cylinder 221, and the upper end of the cylinder 221 is provided with an elliptical ring-shaped outer edge 222. The cylinder 221 of the metal bushing 22 is matched and embedded in the second sunken mounting hole 211 and the outer edge 222 of the metal bushing 22 is limitedly clamped on the upper end surface of the inner concave surface 210. The limiting screw The upper end of the mother 23 is hexagonal and the lower end surface is provided with an annular clamping plate 231. The limiting nut 23 is matched and embedded in the first sunken mounting hole 111. The annular clamping plate 231 is clamped in the annular clamping groove. The locking screw 24 is sequentially passed through the metal bushing 22 and the first sunken mounting hole 111 and screwed into the limiting nut 23. The screw 241 of the locking screw 24 is exposed outside the lower end surface of the limiting nut 23. The lower end surfaces of the detent 21 on the left and right sides of the second sunken mounting hole 211 are symmetrically provided with locking concave surfaces 212 with a rectangular serrated structure, and each locking concave surface 212 is matched and engaged with the locking convex surface 112 on the same side.

[0046] The outer diameter of the annular clamping plate 231 is larger than the outer diameter of the lower end of the first sinking mounting hole 111 .

[0047] See Figure 2 、 Figure 6 As shown, each limit block mounting position 12 includes a circular concave screw mounting surface 121 and an annular sealing groove 122. The two screw mounting surfaces 121 are respectively arranged on the upper end surfaces corresponding to the left and right ends of the base 1. A third sunken mounting hole 123 is provided at the center of each screw mounting surface 121. The annular sealing groove 122 is provided on the lower end surface of the screw mounting surface 121 and is coaxial with the third sunken mounting hole 123. Four sealing holes 1211 are evenly distributed on the outer circular edge of each screw mounting surface 121. The limit block fixing component 3 is fixedly connected to the third sunken mounting hole 123 and sealed to the sealing hole 1211.

[0048] See Figure 7 、 Figure 8 As shown, the limit block fixing assembly 3 includes a fixing screw 31, a body nut 32 and a sealing gasket 33. The sealing gasket 33 is annular and has four T-shaped sealing protrusions 331 evenly distributed on its outer edge. The four sealing protrusions 331 are respectively clamped in the corresponding sealing holes 1211. The sealing gasket 33 is embedded in the annular sealing groove 122. A limit block mounting hole is provided on the body sheet metal 4. The fixing screw 31 is passed through the third sunken mounting hole 123 and the limit block mounting hole, and the screw rod 311 of the fixing screw is exposed outside the lower end surface of the body sheet metal 4. The body nut 32 is threadedly sleeved on the screw rod 311 of the fixing screw and screwed on the lower end surface of the body sheet metal 4.

[0049] Example 2:

[0050] The utility model also provides an automobile, comprising the automobile tailgate lateral limiting block.

[0051] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments can still be modified, or some of the technical features thereof can be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A lateral limit block for a car tailgate, characterized in that: The invention comprises a base (1), a latch locking assembly (2) and a limit block fixing assembly (3), wherein the latch locking assembly (2) is fixedly connected to the middle part of the base (1), and two groups of the limit block fixing assemblies (3) are symmetrically fixedly connected to the two ends of the base (1) and fixedly connected to the body sheet metal (4).

2. The automobile tailgate lateral limit block according to claim 1, characterized in that: The base (1) comprises a latch mounting position (11) and a limit block mounting position (12); the latch mounting position (11) is a rectangular inner groove structure and is arranged in the middle of the base (1); two limit block mounting positions (12) are symmetrically arranged at two ends of the base (1); each limit block mounting position (12) is a circular inner groove structure; the latch locking assembly (2) is seated and fixedly connected to the latch mounting position (11); and two groups of limit block fixing assemblies (3) are seated and fixedly connected to corresponding limit block mounting positions (12).

3. The automobile tailgate lateral limit block according to claim 2, characterized in that: A first sunken mounting hole (111) is provided at the center of the latch mounting position (11); the first sunken mounting hole (111) is a sunken platform hole with an inner hexagonal structure at the upper end and a coaxial annular groove at the lower end; locking convex surfaces (112) with rectangular serrated structures are symmetrically provided on the upper end surfaces of the base (1) on the left and right sides of the first sunken mounting hole (111); the latch locking assembly (2) is fixedly connected in the first sunken mounting hole (111) and the end face is engaged with the locking convex surface (112).

4. The automobile tailgate lateral limit block according to claim 3, characterized in that: The latch locking assembly (2) comprises a latch (21), a metal bushing (22), a limiting nut (23) and a locking screw (24); a rectangular concave surface (210) is provided in the middle of the upper end surface of the latch (21); a second sunken mounting hole (211) is provided at the center of the concave surface (210); the second sunken mounting hole (211) is an elliptical through hole; the lower end of the metal bushing (22) is an elliptical cylinder (221); the upper end of the cylinder (221) is provided with an elliptical ring-shaped outer edge (222); the cylinder (221) of the metal bushing (22) is matched and embedded in the second sunken mounting hole (211); the outer edge (222) of the metal bushing (22) is limitedly clamped on the upper end surface of the concave surface (210); the limiting nut The upper end of (23) is hexagonal and an annular clamping plate (231) is provided on the lower end surface. The limiting nut (23) is matched and embedded in the first sinking mounting hole (111). The annular clamping plate (231) is clamped in the annular clamping groove. The locking screw (24) is successively passed through the metal bushing (22) and the first sinking mounting hole (111) and is screwed into the limiting nut (23). The screw rod (241) of the locking screw (24) is exposed outside the lower end surface of the limiting nut (23). The lower end surfaces of the detents (21) on the left and right sides of the second sinking mounting hole (211) are symmetrically provided with locking concave surfaces (212) with rectangular serrated structures, and each of the locking concave surfaces (212) is matched and engaged with the locking convex surface (112) on the same side.

5. The automobile tailgate lateral limit block according to claim 4, characterized in that: The outer diameter of the annular clamping plate (231) is greater than the outer diameter of the lower end of the first sinking mounting hole (111).

6. The automobile tailgate lateral limit block according to claim 5, characterized in that: Each of the limit block mounting positions (12) comprises a circular concave screw mounting surface (121) and an annular sealing groove (122); the two screw mounting surfaces (121) are respectively arranged on the upper end surfaces corresponding to the left and right ends of the base (1); a third sunken mounting hole (123) is arranged at the center of each of the screw mounting surfaces (121); the annular sealing groove (122) is arranged on the lower end surface of the screw mounting surface (121) and is coaxial with the third sunken mounting hole (123); four sealing holes (1211) are evenly distributed at the outer circular edge of each of the screw mounting surfaces (121); and the limit block fixing assembly (3) is fixedly connected to the third sunken mounting hole (123) and is sealed to the sealing hole (1211).

7. The automobile tailgate lateral limit block according to claim 6, characterized in that: The limit block fixing assembly (3) comprises a fixing screw (31), a vehicle body nut (32) and a sealing gasket (33); the sealing gasket (33) is annular and has four T-shaped sealing protrusions (331) evenly distributed on its outer circumferential edge; the four sealing protrusions (331) are respectively clamped in corresponding sealing holes (1211); the sealing gasket (33) is embedded in the annular sealing groove (122); a limit block mounting hole is provided on the vehicle body sheet metal (4); the fixing screw (31) is inserted into the third sinking mounting hole (123) and the limit block mounting hole; the screw rod (311) of the fixing screw is exposed outside the lower end surface of the vehicle body sheet metal (4); the vehicle body nut (32) is threadedly sleeved on the screw rod (311) of the fixing screw and is screwed on the lower end surface of the vehicle body sheet metal (4).

8. A car, characterized in that: It comprises a lateral limit block for a car tailgate as described in any one of claims 1 to 7.

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