Back door gap adjusting structure and vehicle

Abstract

The utility model provides a back door gap adjusting structure and a vehicle. The back door gap adjusting structure comprises a vehicle body assembly and a back door assembly. The two sides of the back door assembly are rotationally connected with the vehicle body assembly through hinge assemblies. The hinge assembly comprises a first hinge arm and a second hinge arm which are connected through a hinge shaft. The first hinge arm is perpendicular to a horizontally arranged vehicle body assembly; the second hinge arm is perpendicular to a back door assembly arranged in the vertical direction. First gap adjusting holes used for adjusting the X direction and the Y direction of the back door are formed in the two sides of the bottom of the vehicle body assembly; second gap adjusting holes used for adjusting the Y direction and the Z direction of the back door are formed in the two sides of the outer portion of the back door assembly. The first gap adjusting hole and the second gap adjusting hole correspond to nuts on the hinge assembly in position. The technical problems that in the production process of the back door, the peripheral gap surface difference is tedious to adjust, and the operation time is long are solved.

Description

Technical Field

[0001] The present application relates to the field of automobile technology, and in particular to a tailgate clearance adjustment structure and a vehicle. Background Art

[0002] After the current tailgate assembly is assembled with accessories such as sealing strips, electric struts, and buffer blocks, the gap surface difference with surrounding parts will change due to the reaction force of the accessories. In order to ensure that the gap surface difference around the tailgate in the whole vehicle state meets the design requirements, the gap surface difference between the tailgate in the body-in-white state and the environmental parts needs to be adjusted while considering the impact of the accessories after assembly.

[0003] The existing method of adjusting the gap and flushness is mainly to adjust the gap and flushness through an external positioning device in conjunction with a feeler gauge. The process is very cumbersome and the operation time is long, which affects the production rhythm and leads to low production efficiency. Utility Model Content

[0004] The purpose of this application is to provide a tailgate clearance adjustment structure and a vehicle, which solves the technical problems of complicated adjustment of peripheral clearance surface difference and long operation time in the production process of the tailgate. The specific scheme is as follows:

[0005] A tailgate gap adjustment structure comprises: a vehicle body assembly and a tailgate assembly; both sides of the tailgate assembly are rotatably connected to the vehicle body assembly via a hinge assembly; the hinge assembly comprises: a first hinge arm and a second hinge arm connected by a hinge shaft; the first hinge arm is perpendicular to the horizontally arranged vehicle body assembly; the second hinge arm is perpendicular to the vertically arranged tailgate assembly; first gap adjustment holes for adjusting the tailgate in the X and Y directions are arranged on both sides of the bottom of the vehicle body assembly; second gap adjustment holes for adjusting the tailgate in the Y and Z directions are arranged on both sides of the outside of the tailgate assembly; wherein the first gap adjustment hole and the second gap adjustment hole correspond to the positions of nuts on the hinge assembly.

[0006] Furthermore, the first hinge arm and the body assembly, as well as the second hinge arm and the tailgate assembly, are connected and fixed by means of bolts and nuts; wherein friction-reducing seals are provided between the first hinge arm and the body assembly, as well as between the second hinge arm and the tailgate assembly.

[0007] Furthermore, the friction reducing seal is an asbestos-free graphite seal ring.

[0008] Furthermore, the tailgate assembly includes: a tailgate inner panel, a hinge reinforcement plate and a tailgate outer panel; the upper end of the tailgate inner panel is welded and fixed to the tailgate outer panel; the hinge reinforcement plate is fitted on the inner side of the tailgate inner panel; the friction reducing seal is arranged between the second hinge arm and the tailgate inner panel; the second hinge arm, the tailgate inner panel and the hinge reinforcement plate are connected and fixed by means of bolts and nuts; wherein the second gap adjustment hole is arranged on the tailgate outer panel; a nut plate is welded on the inner side of the hinge reinforcement plate.

[0009] Furthermore, the first gap adjustment hole is a square hole.

[0010] Furthermore, the second gap adjustment hole is a circular hole.

[0011] Furthermore, a blocking cover plate is clamped at the second gap adjustment hole; and a spoiler plate is covered on the blocking cover plate.

[0012] A vehicle comprises the rear door gap adjustment structure.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model provides a tailgate gap adjustment structure and a vehicle. Through the first gap adjustment holes for adjusting the tailgate in the X and Y directions arranged on both sides of the bottom of the vehicle body assembly and the second gap adjustment holes for adjusting the tailgate in the Y and Z directions arranged on both sides of the tailgate assembly, the tailgate can be adjusted in the X, Y and Z directions, thereby ensuring that the gap surface difference around the tailgate meets the design requirements. The operation process is simple, the production cycle is shortened, and the production efficiency is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the connection structure between the hinge assembly, the body assembly and the back door assembly;

[0016] Figure 2 It is a structural schematic diagram of the back door gap adjustment structure on the back door assembly side;

[0017] Figure 3 for Figure 2 A magnified image of point A;

[0018] Figure 4 is a schematic diagram of the connection between the hinge assembly and the body assembly;

[0019] Figure 5 for Figure 4 CC profile of ;

[0020] Figure 6 It is a structural schematic diagram of the back door gap adjustment structure on the vehicle body assembly side;

[0021] Figure 7 It is a structural schematic diagram of the hinge assembly.

[0022] In the figure:

[0023] 1. Body assembly; 11. Body roof; 12. Roof inner panel; 13. Sealing strip;

[0024] 2. Back door assembly; 21. Back door inner panel; 22. Hinge reinforcement plate; 23. Back door outer panel; 24. Nut plate;

[0025] 3. Hinge assembly; 31. First hinge arm; 32. Second hinge arm;

[0026] 4. First gap adjustment hole;

[0027] 5. Second gap adjustment hole;

[0028] 61. first bolt; 62. second bolt;

[0029] 71. a first nut; 72. a second nut;

[0030] 8. Friction reducing seals;

[0031] 9. Seal the cover. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical solutions and advantages of this application clearer, the following Figure 1-7 The present application is further described in detail. Obviously, the described embodiments are only a part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.

[0033] It should be understood that although the terms first, second, third, etc. may be used to describe in the embodiments of the present application, these descriptions should not be limited to these terms. These terms are only used to distinguish the descriptions. For example, without departing from the scope of the embodiments of the present application, the first may also be referred to as the second, and similarly, the second may also be referred to as the first.

[0034] The present application provides a tailgate gap adjustment structure, comprising: a body assembly 1 and a tailgate assembly 2; both sides of the tailgate assembly 2 are rotatably connected to the body assembly 1 through a hinge assembly 3; the hinge assembly 3 comprises: a first hinge arm 31 and a second hinge arm 32 connected by a hinge shaft; the first hinge arm 31 is perpendicular to the horizontally arranged body assembly 1; the second hinge arm 32 is perpendicular to the vertically arranged tailgate assembly 2; first gap adjustment holes 4 for adjusting the tailgate in the X and Y directions are arranged on both sides of the bottom of the body assembly 1; second gap adjustment holes 5 for adjusting the tailgate in the Y and Z directions are arranged on both sides of the outside of the tailgate assembly 2; wherein the first gap adjustment hole 4 and the second gap adjustment hole 5 correspond to the nut positions on the hinge assembly 3.

[0035] Specifically, the first hinge arm 31 is a U-shaped structure as a whole, and the second hinge arm 32 is a bow-shaped structure as a whole; wherein, the middle convex portion of the second hinge arm 32 is embedded in the U-shaped groove of the first hinge arm 31 and is rotatably connected through a hinge shaft; two bolt locking holes are provided on the first hinge arm 31 and the second hinge arm 32; correspondingly, two first gap adjustment holes 4 and two second gap adjustment holes 5 are provided.

[0036] It can be understood that when the tailgate is closed, the first hinge arm 31 and the second hinge arm 32 are in a vertical state; through the first gap adjustment hole 4 and the second gap adjustment hole 5 corresponding to the nut position on the fixed hinge assembly 3, the gap surface difference around the tailgate can be quickly adjusted.

[0037] Optionally, the first hinge arm 31 and the body assembly 1, and the second hinge arm 32 and the tailgate assembly 2 are connected and fixed by means of bolts and nuts; wherein, a friction reducing seal 8 is provided between the first hinge arm 31 and the body assembly 1, and between the second hinge arm 32 and the tailgate assembly 2; the friction reducing seal 8 is an asbestos-free graphite sealing ring.

[0038] Specifically, the first hinge arm 31 is connected and fixed to the vehicle body assembly 1 through a first bolt 61 and a first nut 71; wherein the first bolt 61 and the first hinge arm 31 are connected by riveting;

[0039] The second hinge arm 32 is connected and fixed to the tailgate assembly 2 by a second bolt 62 and a second nut 72; the second nut 72 is welded and fixed to the tailgate assembly 2; the rod of the second bolt 62 passes through the square adjustment hole on the second hinge arm 32, and is screwed and fixed to the second nut 72 on the tailgate assembly 2; wherein the size of the square adjustment hole is larger than the rod diameter of the second bolt 62; the size of the square adjustment hole is 13*13mm.

[0040] Furthermore, the free end of the rod portion of the second bolt 62 is provided with an external hexagonal locking block for locking with a wrench, and the cap end on the other side is provided with a tightening hole for tightening with a hexagonal wrench.

[0041] It can be understood that the technical problems of difficult movement and poor sealing of the tailgate are solved by using an asbestos-free graphite sealing ring; the hinge assembly 3 is installed by combining bolts and nuts, which can facilitate quick adjustment of the gap and surface difference of the tailgate, and during the adjustment process, the tailgate can be closed with a one-time adjustment to meet the gap and surface difference design requirements, saving production time and speeding up the production rhythm.

[0042] Optionally, the body assembly 1 includes: a body roof cover 11 connected to the hinge assembly 3 and a roof cover inner panel 12 arranged on the lower side of the body roof cover 11; wherein, the first gap adjustment hole 4 is arranged on the roof cover inner panel 12 and corresponds to the position of the first nut 71 on the first hinge arm 31.

[0043] Optionally, the tailgate assembly 2 includes: a tailgate inner panel 21, a hinge reinforcement plate 22 and a tailgate outer panel 23; the upper end of the tailgate inner panel 21 is welded and fixed to the tailgate outer panel 23; the hinge reinforcement plate 22 is fitted on the inner side of the tailgate inner panel 21; wherein the friction reducing seal 8 on the tailgate assembly 2 is arranged between the second hinge arm 32 and the tailgate inner panel 21; the second hinge arm 32, the tailgate inner panel 21 and the hinge reinforcement plate 22 are connected and fixed by a second bolt 62 and a second nut 72; the second gap adjustment hole 5 is arranged on the tailgate outer panel 23, and corresponds to the position of the second nut 72 on the second hinge arm 32; wherein a nut plate 24 is welded on the inner side of the hinge reinforcement plate 22; the second nut 72 is welded and fixed on the inner side of the nut plate 24. It can be understood that the present application avoids the situation in which the hinge reinforcement plate 22 is subjected to concentrated force and deformed, resulting in sealing failure of the friction reducing seal 8, through the design of the nut plate 24.

[0044] Among them, a sealing strip 13 is set between the bottom of the vehicle body roof cover 11 and the rear door inner panel 21; the lower end of the sealing strip 13 is inserted into the vehicle body roof cover 11, and the upper end is in contact with the rear door inner panel 21; through the design of the sealing strip 13, the sealing effect between the vehicle body roof cover 11 and the rear door inner panel 21 is achieved.

[0045] Optionally, the first gap adjustment hole 4 is a square hole of 13*13mm; the second gap adjustment hole 5 is a circular hole; wherein, the outer peripheries of the square hole and the circular hole are provided with reinforcing ribs on the vehicle body roof 11 and the rear door outer panel 23, so as to avoid irregular deformation of the inner edges of the square hole and the circular hole, affecting the appearance of the product.

[0046] Optionally, a blocking cover plate 9 is clamped at the second gap adjustment hole 5; the blocking cover plate 9 is covered with a spoiler; it can be understood that after the tailgate is adjusted, the blocking cover plate 9 is assembled on the tailgate outer panel 23 to seal and prevent water and dust from entering the tailgate interior and the passenger compartment, and after the whole vehicle is assembled, the spoiler is used to shield the tailgate sheet metal structure and the blocking cover plate to ensure the overall aesthetic effect of the product.

[0047] In the present application, the front-to-back direction of the vehicle is the X direction, the left-to-right direction is the Y direction, and the up-down direction is the Z direction; it can be understood that a socket wrench is used to pass through the first gap adjustment hole 4 to loosen the first nut 61 on the first hinge arm 31, and the gap face difference adjustment of the back door in the X direction and the Y direction is completed by moving the back door; the same method as above is adopted to loosen the outer hexagonal locking block at the end of the second bolt 62 on the second hinge arm 32 to complete the gap face difference adjustment of the back door in the Y direction and the Z direction; it can be understood that this adjustment method is simple to operate, saves time and effort, and does not need to open the back door, and can be adjusted in place at one time.

[0048] Now, exemplary embodiments according to the present application will be described in more detail with reference to the accompanying drawings. However, these exemplary embodiments may be implemented in a variety of different forms and should not be construed as being limited to the embodiments described herein. It should be understood that these embodiments are provided to make the disclosure of the present application thorough and complete, and to fully convey the concepts of these exemplary embodiments to those of ordinary skill in the art. In the accompanying drawings, for the sake of clarity, the thickness of the layers and regions may be enlarged, and the same reference numerals are used to represent the same devices, and thus their descriptions will be omitted.

Claims

1. A back door gap adjustment structure, characterized in that: include: A vehicle body assembly (1) and a back door assembly (2); both sides of the back door assembly (2) are rotatably connected to the vehicle body assembly (1) via a hinge assembly (3); the hinge assembly (3) comprises: a first hinge arm (31) and a second hinge arm (32) connected by a hinge shaft; the first hinge arm (31) is perpendicular to the horizontally arranged vehicle body assembly (1); the second hinge arm (32) is perpendicular to the vertically arranged back door assembly (2); first gap adjustment holes (4) for adjusting the back door in the X and Y directions are arranged on both sides of the bottom of the vehicle body assembly (1); second gap adjustment holes (5) for adjusting the back door in the Y and Z directions are arranged on both sides of the outside of the back door assembly (2); wherein the first gap adjustment hole (4) and the second gap adjustment hole (5) correspond to the positions of the nuts on the hinge assembly (3).

2. The rear door clearance adjustment structure according to claim 1, characterized in that: The first hinge arm (31) and the vehicle body assembly (1) as well as the second hinge arm (32) and the tailgate assembly (2) are connected and fixed by means of bolts and nuts; wherein a friction reducing seal (8) is provided between the first hinge arm (31) and the vehicle body assembly (1) as well as between the second hinge arm (32) and the tailgate assembly (2).

3. The rear door clearance adjustment structure according to claim 2, characterized in that: The friction reducing seal (8) is an asbestos-free graphite seal ring.

4. The rear door clearance adjustment structure according to claim 3, characterized in that: The tailgate assembly (2) comprises: a tailgate inner panel (21), a hinge reinforcement plate (22) and a tailgate outer panel (23); the upper end of the tailgate inner panel (21) is welded and fixed to the tailgate outer panel (23); the hinge reinforcement plate (22) is arranged on the inner side of the tailgate inner panel (21); the friction reducing seal (8) is arranged between the second hinge arm (32) and the tailgate inner panel (21); the second hinge arm (32), the tailgate inner panel (21) and the hinge reinforcement plate (22) are connected and fixed by means of bolts and nuts; wherein the second gap adjustment hole (5) is arranged on the tailgate outer panel (23); and a nut plate (24) is welded on the inner side of the hinge reinforcement plate (22).

5. The rear door clearance adjustment structure according to claim 3, characterized in that: The first gap adjustment hole (4) is a square hole.

6. The rear door gap adjustment structure according to claim 3, characterized in that: The second gap adjustment hole (5) is a circular hole.

7. The rear door clearance adjustment structure according to claim 5, characterized in that: A blocking cover plate (9) is clamped at the second gap adjustment hole (5); and a spoiler is covered above the blocking cover plate (9).

8. A vehicle, characterized in that: The invention comprises the rear door gap adjustment structure as described in any one of claims 1 to 7.

Images