Back door supporting rod mounting structure and vehicle

Abstract

A back door supporting rod installation structure comprises a supporting rod body and a supporting rod support assembly, the supporting rod body and the supporting rod support assembly are installed on the vehicle body side and the vehicle door side of a rear gutter channel respectively and connected with the rear gutter channel into a whole in a screwed mode, and the supporting rod support assembly comprises a reinforcing support, a supporting rod connecting plate and a supporting rod installation plate. The supporting rod support assembly is in threaded connection with the supporting rod body through the reinforcing support, the supporting rod mounting plate is clamped between the reinforcing support and the rear gutter channel in the Y direction, and the supporting rod mounting plate is further integrally welded with the supporting rod mounting plate and the rear gutter channel. One end of the supporting rod connecting plate is integrally connected with the reinforcing support, the other end of the supporting rod connecting plate is integrally connected with the C column reinforcing plate, and the supporting rod mounting plate, the rear gutter channel and the C column upper reinforcing plate are integrally welded at the position of the supporting rod body in the Z direction. The supporting rod connecting plate, the C column reinforcing plate and the side wall outer plate are welded into a whole at the corner window in the Y direction.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile interior and exterior decoration, and in particular to a back door support rod installation structure and a vehicle. Background Art

[0002] At present, there are usually a large number of electrical components inside the car, and many models are also equipped with electric tailgates. The back doors of SUVs, crossovers or hatchbacks mostly use electric struts or gas struts to open and support the back doors. The overall weight of the back door may increase from the traditional 20kg to about 50kg. Due to the frequent opening and closing of the back door, the mounting structure of the back door strut is prone to strain and fracture under long-term stress, affecting the normal use of the back door. Therefore, the firmness of the back door strut installation and fixation is required to be high. As for the firmness and durability of the back door strut installation point, it depends more on the relevant installation and fixing structure located on the body rather than the structural design of the strut itself. However, existing vehicles also put forward higher and higher requirements for ergonomics, resulting in smaller and smaller available installation space near the vehicle tailgate, limited development size at the water trough, and it is difficult to meet the requirements of high-rigidity welding structure. In addition, since the mounting point of the back door strut is usually located at the intersection of the inner and outer sides of the side wall, its sealing requirements are also high. Summary of the invention

[0003] The utility model provides a back door support rod installation structure with good rigidity of the installation point and good sealing performance, which includes a support rod body and a support rod bracket assembly, wherein the support rod body and the support rod bracket assembly are respectively installed on the vehicle body side and the door side of the rear water tank, the support rod body, the support rod bracket assembly and the rear water tank are screwed together, the support rod bracket assembly includes a reinforcement bracket, a support rod connecting plate and a support rod mounting plate, the reinforcement bracket is mounted on the reinforcement plate on the C-pillar, the support rod bracket assembly is screwed with the support rod body through the reinforcement bracket, and the support rod mounting plate is clamped along the Y direction on The support rod mounting plate is between the reinforcement bracket and the rear water gutter, and is also welded to the support rod mounting plate and the rear water gutter. The support rod connecting plate is arranged between the C-pillar reinforcement plate and the C-pillar upper reinforcement plate. One end of the support rod connecting plate is connected to the reinforcement bracket, and the other end of the support rod connecting plate is connected to the C-pillar reinforcement plate. The support rod mounting plate, the rear water gutter and the C-pillar upper reinforcement plate are welded together along the Z direction at the support rod body, and the support rod connecting plate, the C-pillar reinforcement plate and the side outer panel are welded together along the Y direction at the corner window.

[0004] Further, the reinforcing bracket includes a first plate body, a second plate body, a third plate body, a fourth plate body and a fifth plate body, the first plate body is integrally connected to the second plate body, the second plate body is integrally connected to the third plate body, the third plate body is integrally connected to the fourth plate body, the fourth plate body is integrally connected to the fifth plate body, the second plate body and the fourth plate body are extended from the third plate body toward the rear water flow trough, the second plate body and the fourth plate body jointly form a cavity with the third plate body, the first plate body and the fifth plate body are respectively extended from the second plate body and the fourth plate body along a direction parallel to the rear water flow trough, the first plate body and the fifth plate body are arranged in parallel and are respectively fixed to the rear water flow trough.

[0005] Furthermore, the strut connecting plate includes a transition connecting portion and a corner window connecting portion, the transition connecting portion is located at one end of the strut connecting plate close to the reinforcing bracket, the corner window connecting portion is located at one end of the strut connecting plate close to the C-pillar reinforcing plate, the transition connecting portion is arranged above the reinforcing plate on the C-pillar, the strut connecting plate is integrally connected to the reinforcing bracket via the transition connecting portion, the corner window connecting portion is arranged at the corner window, above the side outer panel, and the strut connecting plate is integrally connected to the side outer panel via the corner window connecting portion.

[0006] Furthermore, the transition connection portion is welded to the third plate body through gas shielded welding, and the support rod connecting plate is welded to the reinforcing bracket through the transition connection portion.

[0007] Furthermore, the corner window connecting portion includes a contoured portion and a welding portion, the contoured portion is arranged at the corner window, the contour of the contoured portion is the same as that of an end of the corner window close to the rear of the vehicle, the contoured portion is used to connect with the C-pillar reinforcement plate, the welding portion is located along the Y direction on the outside of the side outer panel and the C-pillar reinforcement plate, and the welding portion is used to weld the transition connecting portion along the Y direction with the C-pillar reinforcement plate and the side outer panel.

[0008] Furthermore, the contoured portion is softly connected to the C-pillar reinforcement plate by welding glue.

[0009] Furthermore, the welding portion, the C-pillar reinforcement plate and the side outer panel are welded together along the Y direction at the corner window.

[0010] Further, the support rod mounting plate includes a first mounting plate and a second mounting plate, the first mounting plate and the second mounting plate are connected as a whole and are arranged vertically to each other, the first mounting plate is clamped between the reinforcing bracket and the rear water flow groove along the Y direction, and the support rod mounting plate is welded to the reinforcing bracket and the rear water flow groove through the first mounting plate, and the second mounting plate is clamped between the reinforcing plate on the C-pillar and the rear water flow groove and below the support rod body along the Z direction, and the support rod mounting plate is welded to the reinforcing plate on the C-pillar and the rear water flow groove through the first mounting plate.

[0011] Furthermore, the first mounting plate is screwed together with the first plate body and the fifth plate body along the Y direction, and the support rod mounting plate is welded with the reinforcing bracket and the rear water flow channel along the Y direction through the first mounting plate.

[0012] Furthermore, the utility model also includes a vehicle, which includes the aforementioned tailgate stay mounting structure.

[0013] The back door support rod installation structure provided by the utility model welds the installation point of the back door support rod to the rear water gutter, the upper reinforcement plate of the C-pillar, the C-pillar reinforcement plate and the side outer panel through the support rod bracket assembly, and the force of the back door support rod installation point is dispersed to the C-pillar cavity and the D-pillar cavity, thereby improving the overall rigidity of the installation point and the reliability of the back door support rod. The utility model also improves the installation strength of the back door support rod from the door side of the rear water gutter through the reinforcement bracket, and improves the rigidity and durability of the installation point of the support rod body without making large-scale structural design changes to the rear water gutter; the utility model also connects and fits with the corner window at the corner window by the support rod connecting plate that spans the C-pillar reinforcement plate and the side outer panel in the Y direction, so that the force-bearing part of the back door support rod is dispersed to the corner window, and the narrow space where it is inconvenient to set additional welding points and openings is utilized to avoid abnormal noise at the corner window. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the vehicle door side of the back door support rod mounting structure provided by the utility model.

[0015] Figure 2 It is a schematic diagram of the support rod bracket assembly in the utility model.

[0016] Figure 3 The figure is a schematic diagram of the vehicle body side of the back door support rod mounting structure in the present invention.

[0017] Figure 4 This is a schematic diagram of the back door support rod installation structure of the present invention without the support rod body. DETAILED DESCRIPTION

[0018] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined invention purpose, the present invention is described in detail below in conjunction with the accompanying drawings and preferred embodiments.

[0019] It should be noted that the terms "first", "second", "third", "fourth", etc. in the specification and claims of the utility model are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence.

[0020] The directional terms "X direction", "Y direction" and "Z direction" in this specification refer to the "body X direction", "body Y direction" and "body Z direction" commonly seen in the automotive field, respectively. The "body X direction" refers to the length direction of the body, and is also the front-to-back direction, with the front direction as the negative direction, i.e., X-; the "body Y direction" refers to the width direction of the body, with the direction from the cab side to the left door side as the negative direction, i.e., Y-; the "body Z direction" refers to the height direction of the body, and is also the gravity direction and the up-down direction, with the gravity direction as the negative direction, i.e., Z-.

[0021] See also Figure 1As shown in Figure 4, the back door support rod installation structure of the utility model is located at the rear water trough 3 at the rear of the car, and includes a support rod body 1 and a support rod bracket assembly 2. The support rod body 1 and the support rod bracket assembly 2 are respectively installed on the vehicle body side and the door side of the rear water trough 3. The support rod body 1, the support rod bracket assembly 2 and the rear water trough 3 are screwed together. Specifically, the strut bracket assembly 2 includes a reinforcement bracket 21, a strut connecting plate 22 and a strut mounting plate 23. The reinforcement bracket 21 is mounted on the C-pillar upper reinforcement plate 4. The strut bracket assembly 2 is screwed to the strut body 1 through the reinforcement bracket 21. The strut mounting plate 23 is clamped between the reinforcement bracket 21 and the rear water gutter 3 along the Y direction. The strut mounting plate 23 is also welded to the strut mounting plate 23 and the rear water gutter 3. The strut connecting plate 22 is arranged between the C-pillar reinforcement plate 5 and the C-pillar upper reinforcement plate 4. One end of the strut connecting plate 22 is connected to the reinforcement bracket 21, and the other end of the strut connecting plate 22 is connected to the C-pillar reinforcement plate 5. The strut mounting plate 23, the rear water gutter 3 and the C-pillar upper reinforcement plate 4 are welded together along the Z direction at the strut body 1, and the strut connecting plate 22, the C-pillar reinforcement plate 5 and the side outer panel 6 are welded together along the Y direction at the corner window. In this embodiment, the support rod body 1 is installed in the rear water channel 3 and on the back side of the support rod bracket assembly 2 through a mounting mechanism 7, that is, the support rod bracket assembly 2 is relatively located on the vehicle door side, and the support rod body 1 is relatively located on the vehicle body side, and the support rod bracket assembly 2 extends along the Y direction to the side outer panel 6 on the vehicle door side of the rear water channel 3 and extends to the corner window. The support rod body 1 in the utility model can be either an electric support rod or a gas support rod, and the support rod bracket assembly 2 is welded to the rear water channel 3, the C-pillar upper reinforcement plate 4, the C-pillar reinforcement plate 5 and the side outer panel 6 respectively, so that the force of the back door support rod installation point is dispersed to the C-pillar cavity and the D-pillar cavity, thereby improving the overall rigidity of the installation point and the reliability of the back door support rod.

[0022] Please refer to Figure 2Further, the reinforcing bracket 21 includes a first plate body 211, a second plate body, a third plate body 213, a fourth plate body and a fifth plate body 215, the first plate body 211 is connected as a whole with the second plate body, the second plate body is connected as a whole with the third plate body 213, the third plate body 213 is connected as a whole with the fourth plate body, the fourth plate body is connected as a whole with the fifth plate body 215, the second plate body and the fourth plate body are extended from the third plate body 213 toward the rear water flow groove 3, the second plate body and the fourth plate body are surrounded by the third plate body 213 and the third plate body 213 to form a cavity together, the first plate body 211 and the fifth plate body 215 are respectively extended from the second plate body and the fourth plate body along the direction parallel to the rear water flow groove 3, the first plate body 211 and the fifth plate body 215 are arranged in parallel and are respectively fixed to the rear water flow groove 3. Specifically, in this embodiment, the reinforcing bracket 21 is in a butterfly shape with left-right symmetry, that is, axial symmetry with the third plate body 213 as the axis. The cavity jointly enclosed by the second plate body, the fourth plate body and the third plate body 213 provides the reinforcing bracket 21 with stiffness in the Z direction and the Y direction. The reinforcing bracket 21 is fixedly connected to the rear water trough 3 through the first plate body 211 and the fifth plate body 215. The first plate body 211 and the fifth plate body 215 are provided with welding points for welding with the support rod mounting plate 23 and the rear water trough 3 and screw holes for screwing with the support rod body 1. The support rod body 1 is screwed with the support rod bracket assembly 2 by bolts passing through the support rod mounting plate 23, the rear water trough 3, the first plate body 211 and the fifth plate body 215. The back door support rod installation structure of the utility model improves the installation strength of the back door support rod from the door side of the rear water channel 3 through the butterfly-shaped reinforcement bracket 21, and improves the installation point rigidity and durability of the support rod body 1 without making large-scale structural design changes to the rear water channel 3.

[0023] Please refer to Figure 2Furthermore, the strut connecting plate 22 includes a transition connecting portion 221 and a corner window connecting portion 222. The transition connecting portion 221 is located at one end of the strut connecting plate 22 close to the reinforcing bracket 21, and the corner window connecting portion 222 is located at one end of the strut connecting plate 22 close to the C-pillar reinforcing plate 5. The transition connecting portion 221 is arranged above the reinforcing plate 4 on the C-pillar. The strut connecting plate 22 is connected to the reinforcing bracket 21 through the transition connecting portion 221. The corner window connecting portion 222 is arranged at the corner window and above the side outer panel 6. The strut connecting plate 22 is connected to the side outer panel 6 through the corner window connecting portion 222. Specifically, in this embodiment, the transition connection portion 221 is welded to the third plate body 213 by gas shielded welding, and the support rod connecting plate 22 is welded to the reinforcing bracket 21 by the transition connection portion 221; the corner window connecting portion 222 includes a profiling portion 222a and a welding portion 222b, the profiling portion 222a is arranged at the corner window, and the contour of the profiling portion 222a is the same as that of the end of the corner window close to the rear of the vehicle, and the profiling portion 222a is used to connect with the C-pillar reinforcement plate 5, and the welding portion 222b is used to connect with the C-pillar reinforcement plate 5. 2b is located on the outside of the side outer panel 6 and the C-pillar reinforcement plate 5 along the Y direction, the welding portion 222b is used to weld the transition connection portion 221 to the C-pillar reinforcement plate 5 and the side outer panel 6 along the Y direction, the profiling portion 222a is softly connected to the C-pillar reinforcement plate 5 by welding glue, the welding portion 222b, the C-pillar reinforcement plate 5 and the side outer panel 6 are welded together at the corner window along the Y direction, and the welding point between the corner window connection portion 222 and the C-pillar reinforcement plate 5 and the side outer panel 6 in this embodiment is the welding portion 222b. The back door support rod installation structure of the utility model is connected and fitted with the corner window by the support rod connecting plate 22 that crosses the C-pillar reinforcement plate 5 and the side outer panel 6 in the Y direction, and provides sufficient strength support for the support rod connecting plate 22 and the support rod bracket assembly 2 while reserving the electrophoresis gap for the side outer panel 6. By welding the welding part 222b, the C-pillar reinforcement plate 5 and the side outer panel 6 together in the Y direction at the corner window, the force-bearing part at the back door support rod installation point is dispersed to the corner window, which effectively improves the overall rigidity of the back door support rod installation point, can effectively resist deformation and decompose the force, and can also improve the torsional rigidity and mode of the rear body of the car. In addition, by using welding glue to softly connect the profiling part 222a with the C-pillar reinforcement plate 5, it is possible to utilize the narrow space where it is inconvenient to set additional welding points and openings, and avoid abnormal noise at the corner window.

[0024] Please refer to Figure 3 and Figure 4, further, the support rod mounting plate 23 includes a first mounting plate and a second mounting plate, the first mounting plate and the second mounting plate are connected as a whole and are arranged vertically to each other, the first mounting plate is clamped between the reinforcing bracket 21 and the rear water channel 3 along the Y direction, the support rod mounting plate 23 is welded to the reinforcing bracket 21 and the rear water channel 3 through the first mounting plate, the second mounting plate is clamped between the reinforcing plate 4 on the C-pillar and the rear water channel 3 and below the support rod body 1 along the Z direction, the support rod mounting plate 23 is welded to the reinforcing plate 4 on the C-pillar and the rear water channel 3 through the first mounting plate. Specifically, in this embodiment, the first mounting plate is screwed to the first plate body 211 and the fifth plate body 215 along the Y direction, the support rod mounting plate 23 is welded to the reinforcing bracket 21 and the rear water channel 3 along the Y direction through the first mounting plate, and the welding point between the second mounting plate of the support rod mounting plate 23 and the reinforcing plate 4 on the C-pillar and the rear water channel 3 in this embodiment is the Z-direction welding point 31. The back door support rod mounting structure of the utility model strengthens the connection strength between the support rod bracket assembly 2 and the water flow channel and the C-pillar upper reinforcement plate 4 through the first mounting plate and the second mounting plate extending in the Y direction and the Z direction respectively, thereby ensuring the connection strength between the back door support rod and the D-pillar cavity.

[0025] Furthermore, the utility model also includes a vehicle, which includes the aforementioned tailgate stay mounting structure.

[0026] In summary, the back door support rod installation structure of the utility model welds the installation point of the back door support rod to the rear water gutter, the upper reinforcement plate of the C-pillar, the C-pillar reinforcement plate and the side outer panel through the support rod bracket assembly, and the force of the back door support rod installation point is dispersed to the C-pillar cavity and the D-pillar cavity, thereby improving the overall rigidity of the installation point and the reliability of the back door support rod. The utility model also improves the installation strength of the back door support rod from the door side of the rear water gutter through the reinforcement bracket, and improves the rigidity and durability of the installation point of the support rod body without making large-scale structural design changes to the rear water gutter; the utility model also connects and fits with the corner window at the corner window by the support rod connecting plate that spans the C-pillar reinforcement plate and the side outer panel in the Y direction, so that the force-bearing part of the back door support rod is dispersed to the corner window, and the narrow space where it is inconvenient to set additional welding points and openings is utilized to avoid abnormal noise at the corner window.

[0027] The above are only specific implementations of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. A back door support rod mounting structure, characterized in that: The invention comprises a support rod body (1) and a support rod bracket assembly (2), wherein the support rod body (1) and the support rod bracket assembly (2) are respectively mounted on the vehicle body side and the door side of the rear water channel (3), wherein the support rod body (1), the support rod bracket assembly (2) and the rear water channel (3) are screwed together, wherein the support rod bracket assembly (2) comprises a reinforcing bracket (21), a support rod connecting plate (22) and a support rod mounting plate (23), wherein the reinforcing bracket (21) is mounted on the reinforcing plate (4) on the C-pillar, wherein the support rod bracket assembly (2) is screwed to the support rod body (1) via the reinforcing bracket (21), and the support rod mounting plate (23) is clamped between the reinforcing bracket (21) and the rear water channel ( 3), the support rod mounting plate (23) is also welded to the support rod mounting plate (23) and the rear water gutter (3), the support rod connecting plate (22) is arranged between the C-pillar reinforcement plate (5) and the C-pillar upper reinforcement plate (4), one end of the support rod connecting plate (22) is connected to the reinforcement bracket (21), and the other end of the support rod connecting plate (22) is connected to the C-pillar reinforcement plate (5), the support rod mounting plate (23), the rear water gutter (3) and the C-pillar upper reinforcement plate (4) are welded to each other along the Z direction at the support rod body (1), and the support rod connecting plate (22), the C-pillar reinforcement plate (5) and the side outer plate (6) are welded to each other along the Y direction at the corner window.

2. The back door support rod mounting structure according to claim 1, characterized in that: The reinforcing bracket (21) comprises a first plate (211), a second plate, a third plate (213), a fourth plate and a fifth plate (215), wherein the first plate (211) is connected to the second plate as a whole, the second plate is connected to the third plate (213) as a whole, the third plate (213) is connected to the fourth plate as a whole, the fourth plate is connected to the fifth plate (215) as a whole, and the second plate and the fourth plate are connected by the third plate (21 3) is extended in the direction of the rear water flow trough (3), the second plate body and the fourth plate body together form a cavity with the third plate body (213), the first plate body (211) and the fifth plate body (215) are respectively extended from the second plate body and the fourth plate body in a direction parallel to the rear water flow trough (3), the first plate body (211) and the fifth plate body (215) are arranged in parallel and are respectively fixed to the rear water flow trough (3).

3. The back door support rod mounting structure according to claim 2, characterized in that: The support rod connecting plate (22) comprises a transition connecting portion (221) and a corner window connecting portion (222); the transition connecting portion (221) is located at one end of the support rod connecting plate (22) close to the reinforcing bracket (21); the corner window connecting portion (222) is located at one end of the support rod connecting plate (22) close to the C-pillar reinforcing plate (5); the transition connecting portion (221) is arranged above the C-pillar upper reinforcing plate (4); the support rod connecting plate (22) is integrally connected to the reinforcing bracket (21) via the transition connecting portion (221); the corner window connecting portion (222) is arranged at the corner window and above the side outer panel (6); the support rod connecting plate (22) is integrally connected to the side outer panel (6) via the corner window connecting portion (222).

4. The back door support rod mounting structure according to claim 3, characterized in that: The transition connection portion (221) is welded integrally with the third plate body (213) by gas shielded welding, and the support rod connecting plate (22) is welded integrally with the reinforcing bracket (21) by the transition connection portion (221).

5. The back door support rod mounting structure according to claim 3, characterized in that: The corner window connecting portion (222) comprises a profiling portion (222a) and a welding portion (222b), wherein the profiling portion (222a) is arranged at the corner window, and the contour of the profiling portion (222a) is the same as the end of the corner window close to the rear of the vehicle, the profiling portion (222a) is used to connect with the C-pillar reinforcement plate (5), the welding portion (222b) is located on the outside of the side outer panel (6) and the C-pillar reinforcement plate (5) along the Y direction, and the welding portion (222b) is used to weld the transition connecting portion (221) to the C-pillar reinforcement plate (5) and the side outer panel (6) along the Y direction.

6. The back door support rod mounting structure according to claim 5, characterized in that: The contoured portion (222a) is softly connected to the C-pillar reinforcement plate (5) via welding glue.

7. The back door support rod mounting structure according to claim 5, characterized in that: The welding portion (222b), the C-pillar reinforcement plate (5) and the side outer plate (6) are welded together along the Y direction at the corner window.

8. The back door support rod mounting structure according to claim 2, characterized in that: The support rod mounting plate (23) comprises a first mounting plate and a second mounting plate, the first mounting plate and the second mounting plate are connected as a whole and are arranged vertically to each other, the first mounting plate is clamped between the reinforcing bracket (21) and the rear water flow channel (3) along the Y direction, the support rod mounting plate (23) is welded to the reinforcing bracket (21) and the rear water flow channel (3) through the first mounting plate, and the second mounting plate is clamped between the reinforcing plate (4) on the C-pillar and the rear water flow channel (3) and below the support rod body (1) along the Z direction, and the support rod mounting plate (23) is welded to the reinforcing plate (4) on the C-pillar and the rear water flow channel (3) through the first mounting plate.

9. The back door support rod mounting structure according to claim 8, characterized in that: The first mounting plate is screwed together with the first plate body (211) and the fifth plate body (215) along the Y direction, and the support rod mounting plate (23) is welded with the reinforcing bracket (21) and the rear water trough (3) along the Y direction through the first mounting plate.

10. A vehicle, characterized in that: The invention comprises a tailgate support rod mounting structure as claimed in any one of claims 1 to 9.

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