A rear bumper and rear apron mounting structure and a vehicle

Abstract

The application relates to a rear bumper and rear apron mounting structure and a car, and belongs to the technical field of the car, which comprises a rear bumper and a rear apron, wherein the rear bumper comprises a rear bumper body, the rear bumper body is provided with a middle part mounting positioning support, a sunken platform matching mounting part, a buckle mounting part and a bottom mounting support, the rear apron comprises a rear apron body, the rear apron body is provided with a rear apron middle part welding support, a rear apron side welding support and a rear apron bottom welding support, the middle part mounting positioning support is suitable for being connected with the rear apron middle part welding support; the sunken platform matching mounting part is suitable for abutting against the rear apron side welding support, the buckle mounting part is suitable for being clamped with the rear apron side welding support; and the bottom mounting support is connected with the rear apron bottom welding support through bolts. The rear bumper and rear apron mounting structure can not only guarantee the reliability of assembly, but also guarantee the delicacy of appearance gap difference, and improve the appearance delicacy of the water channel position.

Description

TECHNICAL FIELD

[0001] The present application relates to the automobile technical field, and particularly relates to a rear bumper and rear apron mounting structure and automobile. BACKGROUND

[0002] In order to weaken the damage caused by the rear collision of the automobile to the automobile body, the rear bumper and the rear apron are usually arranged on the rear of the automobile, wherein the rear bumper can absorb and buffer the impact from the outside, and the rear apron improves the rigidity and strength of the whole vehicle, so that the cooperation of the rear bumper and the rear apron can effectively protect the safety of the automobile body and the people in the vehicle.

[0003] In the prior art, the connection structure of the automobile rear bumper and the rear apron mainly includes: first, the rear bumper upper mounting bracket and the rear bumper lower mounting bracket are arranged on the rear apron assembly to correspond to the middle mounting bracket and the bottom mounting hole of the rear bumper; second, a sink hole is made at the corner of the rear bumper, and the corner of the rear bumper is locked on the rear apron assembly by a hexagonal head screw, however, the structure exposes the hexagonal head screw at the gutter position, reduces the appearance delicacy of the gutter position, and the hexagonal head screw is easily loosened by the impact of the back door buffer pad for a long time, and the surface black plating layer has the risk of discoloration, further reducing the structure installation firmness and the appearance delicacy. SUMMARY

[0004] One of the purposes of the present application is to provide a rear bumper and rear apron mounting structure to solve the problem of reduced appearance delicacy of the gutter on the rear bumper after the rear bumper and the rear apron are connected in the prior art; the second purpose is to provide an automobile.

[0005] In order to achieve the above-mentioned purposes, the technical solutions adopted by the present application are as follows:

[0006] The application discloses a rear bumper and rear apron mounting structure, which comprises a rear bumper and a rear apron, wherein the rear bumper comprises a rear bumper body, and the rear bumper body is provided with a middle mounting positioning support, a sunken platform matching mounting part, a buckle mounting part and a bottom mounting support; the rear apron comprises a rear apron body, and the rear apron body is formed with a U-shaped opening; a rear apron middle welding support and a rear apron side welding support are arranged on a side edge of the rear apron body close to the U-shaped opening; and a rear apron bottom welding support is arranged at the bottom of the rear apron body; the middle mounting positioning support is adapted to be connected with the rear apron middle welding support, so as to limit the displacement of the rear bumper in the left-right direction Y and the gap between the rear bumper and the back door bottom in the front-rear direction X; the sunken platform matching mounting part is adapted to abut against the rear apron side welding support, and the buckle mounting part is adapted to be clamped with the rear apron side welding support, so as to control the gap between the rear bumper and the rear apron in the front-rear direction X; and the bottom mounting support is connected with the rear apron bottom welding support through bolts, so as to control the relative position of the rear bumper and the rear apron in the up-down direction Z.

[0007] According to the technical means, the displacement of the rear bumper in the left-right direction Y is limited and the gap difference between the rear bumper and the back door bottom in the front-rear direction X is controlled based on the connection between the middle mounting positioning support and the rear apron middle welding support, and meanwhile, the installation operation of other mounting points of the rear bumper is facilitated; the sunken platform and the rear apron are prevented from colliding and generating abnormal sound based on the abutment of the sunken platform matching mounting part against the rear apron side welding support; the gap difference between the corner of the rear bumper and the back door metal plate is effectively controlled based on the clamping of the buckle mounting part with the rear apron side welding support; and the relative position of the middle part of the rear bumper in the up-down direction Z is limited based on the connection between the bottom mounting support and the rear apron bottom welding support.

[0008] Further, the middle mounting positioning support is provided with a main positioning hole, a clamping groove and a reinforcing rib, the clamping groove and the reinforcing rib are arranged at intervals on the middle mounting positioning support, the reinforcing rib is arranged between two adjacent clamping grooves, the main positioning hole is arranged on the length direction edge of the middle mounting positioning support and located between one clamping groove and the reinforcing rib.

[0009] According to the technical means, the specific positioning and mounting structure and arrangement mode of the middle mounting positioning support are defined.

[0010] Further, each of the rear apron middle welding support and each of the middle installation positioning support are one-to-one corresponding, the rear apron middle welding support is provided with a clamping convex rib, a positioning boss and a guide flange, the clamping convex rib is suitable for clamping with the clamping groove to limit the displacement of the rear apron in the front-rear direction X of the rear bumper, the positioning boss is suitable for connecting with the main positioning hole to be able to position the rear bumper in the left-right direction Y, and the guide flange is suitable for connecting with the reinforcing rib to limit the displacement of the rear apron in the up-down direction Z of the rear bumper.

[0011] According to the above technical means, the specific positioning installation structure on the rear apron middle welding support is limited, and based on the connection of the positioning boss and the main positioning hole, the positioning in the left-right direction Y of the rear apron middle welding support and the middle installation positioning support of the rear bumper during installation can be realized.

[0012] Further, the sink pad matching installation part includes a sink pad body, and the back of the sink pad body is provided with a sink pad reinforcing rib, and the surface of the sink pad reinforcing rib is connected with a buffer pad.

[0013] According to the above technical means, the sink pad reinforcing rib can strengthen the strength of the sink pad, so as to prevent the sink pad from being deformed by impact, and the sink pad reinforcing rib provides an installation position for the buffer pad, and the buffer pad is pasted on the sink pad reinforcing rib, so as to prevent the sink pad from producing abnormal noise by impact with the rear apron.

[0014] Further, the other side of the sink pad body relative to the sink pad reinforcing rib is provided with a protective pad.

[0015] According to the above technical means, the sink pad reinforcing rib is arranged on one side of the sink pad body, and the protective pad is arranged on the other side of the sink pad body, that is, the sink pad reinforcing rib and the protective pad are arranged on the two sides of the sink pad body respectively, and the protective pad can prevent the buffer pad arranged on the back door from rubbing against the side of the sink pad body, so as to prevent the paint surface from discoloring.

[0016] Further, the buckle installation part includes a buckle seat and a buckle, the buckle is formed as a tapered column structure, and the upper part of the buckle is provided with a clamping ring.

[0017] According to the above technical means, the buckle body is a tapered column structure with a narrow upper part and a wide lower part, which can facilitate the buckle to pass through the small hole, and the clamping ring can make the clamping more firm.

[0018] Further, the lower part of the rear apron side welding support is provided with a clamping hole, the tapered column of the buckle passes through the clamping hole, and the clamping ring is used to clamp the rear apron side welding support.

[0019] According to the above technical means, the rear apron welding support can be clamped on the rear bumper by the buckle, and the clamping is firm and reliable.

[0020] Further, the number of the bottom mounting brackets is at least three, each of the bottom mounting brackets is arranged at a lower edge of the rear bumper body, and the bottom mounting brackets on two sides are arranged in a central symmetry.

[0021] Further, the rear apron bottom welding brackets are arranged in one-to-one correspondence with the bottom mounting brackets.

[0022] According to the above technical means, the arrangement mode and the number of the bottom mounting brackets and the rear apron bottom welding brackets are limited, so that the mounting connection of the rear apron bottom welding bracket and the bottom mounting bracket is more stable.

[0023] The application further provides an automobile comprising the mounting structure of the rear bumper and the rear apron.

[0024] According to the above technical means, the rigidity and the strength of the tail of the automobile are improved, so that the safety of the automobile body and the people in the automobile can be effectively protected.

[0025] The application has the following beneficial effects:

[0026] (1) In the application, the rear bumper is provided with a middle mounting positioning bracket, a sunken platform matching mounting part, a buckle mounting part and a bottom mounting bracket, the rear apron is provided with a rear apron middle welding bracket, a rear apron side welding bracket and a rear apron bottom welding bracket, and the mounting and positioning structures of the rear bumper are connected with the welding brackets of the rear apron, so that the mounting connection of the rear bumper and the rear apron is more stable and reliable, the rigidity of the rear bumper is improved, the ability of the tail of the automobile to absorb and moderate the impact force from the outside is ensured, and the safety of the automobile is improved.

[0027] (2) The connection of the middle mounting positioning bracket and the rear apron middle welding bracket and the connection of the sunken platform matching mounting part, the buckle mounting part and the rear apron side welding bracket can effectively control the gap difference between the rear bumper and the back surface, and the protective pad arranged on the other side of the sunken platform main body relative to the sunken platform reinforcing rib in the sunken platform matching mounting part can avoid the paint discoloration caused by the impact and friction of the back door buffer pad on the rear bumper, so that the delicate degree of the appearance of the rear part of the automobile is improved.

[0028] (3) The connection structure of the sunken platform matching mounting part, the buckle mounting part and the rear apron side welding bracket avoids the connection of the sunken platform at the U-shaped corner of the rear bumper to the rear apron, so that the delicate degree of the appearance of the water channel at the rear bumper of the automobile is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 The application provides a rear bumper and a rear apron connection rear automobile tail contour structure schematic diagram for the embodiments of the application.

[0030] Figure 2A rear bumper structure schematic diagram provided by the embodiment of the present application;

[0031] Figure 3 A rear apron structure schematic diagram provided by the embodiment of the present application;

[0032] Figure 4 A buckle mounting portion and a sunken platform cooperation mounting portion structure schematic diagram provided by the embodiment of the present application;

[0033] Figure 5 A middle portion mounting positioning support structure schematic diagram provided by the embodiment of the present application;

[0034] Figure 6 A rear apron middle portion welding support structure schematic diagram provided by the embodiment of the present application;

[0035] Figure 7 A clamping groove and a clamping convex rib connection structure schematic diagram provided by the embodiment of the present application;

[0036] Figure 8 A reinforcing rib and a guide flange connection structure schematic diagram provided by the embodiment of the present application;

[0037] Figure 9 A main positioning hole and a positioning boss connection structure schematic diagram provided by the embodiment of the present application;

[0038] Figure 10 A middle portion mounting positioning support and a rear apron middle portion welding support connection structure schematic diagram provided by the embodiment of the present application;

[0039] Figure 11 A sunken platform cooperation mounting portion and a rear apron side welding support connection structure schematic diagram provided by the embodiment of the present application;

[0040] Figure 12 A buckle structure schematic diagram provided by the embodiment of the present application;

[0041] Figure 13 A buckle mounting portion and a rear apron side welding support connection structure schematic diagram provided by the embodiment of the present application;

[0042] Figure 14 A bottom mounting support and a rear apron bottom welding support connection structure schematic diagram provided by the embodiment of the present application.

[0043] 1-2- bottom mounting bracket; 1-3- buckle seat; 1-4- buckle; 1-4-1- clasp; 1-5- sunken platform matching mounting part; 1-5-1- sunken platform reinforcing rib; 1-6- buffer pad; 1-7- protective pad; 2- rear apron; 2-1- rear apron middle welding bracket; 2-1-1- clamping convex rib; 2-1-2- positioning boss; 2-1-3- guide flange; 2-2- rear apron side welding bracket; 2-3- rear apron bottom welding bracket; 3- bolt. DETAILED DESCRIPTION

[0044] Other advantages and benefits of the present application will become apparent to those skilled in the art upon consideration of the disclosure and the associated drawings. The following examples are included for the purpose of providing exemplary embodiments of the application and are not intended to limit the scope of the application. The disclosure of the examples provided herein is not exhaustive of the scope of the application. This application is therefore intended to cover any variations, uses, or adaptations of the application following, in general, the principles of the application and including such steps and combinations of steps known in the art to those skilled in the art to which this application pertains.

[0045] It should be noted that the drawings included in the following embodiments are only schematic and are not drawn to scale. They are provided to illustrate preferred embodiments of the application and to provide a conceptual basis for the application. However, a person having ordinary skill in the art will understand that the drawings provided herein are not necessarily drawn to scale and that, in fact, the dimensions of some of the elements can have been exaggerated for the sake of illustration and clarity. Furthermore, it will be apparent to a person having ordinary skill in the art that the embodiments provided herein can be implemented in a variety of ways.

[0046] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "set", "connected", "mounted" should be understood in a broad sense, for example, the connection can be fixed connection, or detachable connection, or integral connection; can be direct connection, or indirect connection through intermediate medium, or internal connection of two elements or interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0047] In the description of the present application, some orientation words involved in the following description for the purpose of clearly illustrating the technical solutions of the present application, such as "upper", "lower", etc. are the meanings of the orientation analogy of the automobile in the normal use, "inner" means the inside of the automobile, "outer" means the outside of the automobile, the orientation "front" means the direction of the automobile tail pointing to the automobile head, and the orientation "rear" means the direction of the automobile head pointing to the automobile tail. In addition, in order to facilitate the description, according to the description of the overall orientation of the automobile by the engineering and technical personnel in the automobile industry, the X direction represents the front-rear direction of the normally used automobile, the Y direction represents the left-right direction of the normally used automobile, and the Z direction represents the up-down direction of the normally used automobile. The orientation terms are based on the orientation or positional relationship shown in the drawings, which are only for the purpose of facilitating the description of the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0048] Reference Figure 2 And Figure 3 The embodiment proposes a mounting structure of rear bumper and rear apron, comprising a rear bumper 1 and a rear apron 2, the rear bumper 1 comprises a rear bumper body, the rear bumper body is provided with a middle mounting and positioning bracket 1-1, a sunken platform matching mounting part 1-5, a buckle mounting part and a bottom mounting bracket 1-2, the rear apron 2 comprises a rear apron body 2-4, the rear apron body 2-4 is formed with a U-shaped opening, a rear apron middle welding bracket 2-1 and a rear apron side welding bracket 2-2 are arranged on the side edge of the rear apron body 2-4 close to the U-shaped opening, and a rear apron bottom welding bracket 2-3 is arranged at the bottom of the rear apron body 2-4, the middle mounting and positioning bracket 1-1 is adapted to be connected with the rear apron middle welding bracket 2-1, so as to be able to limit the displacement of the rear bumper 1 in the left-right direction Y and the gap between the rear bumper 1 and the bottom of the back door in the front-rear direction X; the sunken platform matching mounting part 1-5 is adapted to abut against the rear apron side welding bracket 2-2, and the buckle mounting part is adapted to be connected with the rear apron side welding bracket 2-2, so as to be able to control the gap between the rear bumper 1 and the rear apron 2 in the front-rear direction X; and the bottom mounting bracket 1-2 is connected with the rear apron bottom welding bracket 2-3 through a bolt 3, so as to be able to control the relative position of the rear bumper 1 and the rear apron 2 in the up-down direction Z.

[0049] The rear bumper body of the application is provided with a U-shaped opening, and two middle mounting positioning supports 1-1 are arranged at the lower edge of the middle part of the U-shaped opening, the middle mounting positioning supports 1-1 are welded to the rear bumper body, and the rear bumper body is correspondingly provided with two rear apron middle welding supports 2-1 at the lower edge of the middle part of the U-shaped opening, the middle mounting positioning supports 1-1 and the rear apron middle welding supports 2-1 are provided with matching positioning mounting structures, the rear bumper 1 and the rear apron 2 are preliminarily mounted and positioned through the connection of the middle mounting positioning supports 1-1 and the rear apron middle welding supports 2-1, so that the installation of other mounting points of the rear bumper 1 is facilitated, if the rear apron side welding supports 2-2 are mounted to the rear bumper 1 first, the installation will be difficult due to the imbalance of the side gravity, if the rear apron bottom welding supports 2-3 are mounted to the rear bumper 1 first, the installation effect of the rear apron middle welding supports 2-1 and the rear bumper 1 will be affected due to the limitation of the upward displacement of the rear apron 2, and the gap difference between the middle part of the U-shaped opening of the rear bumper and the back door can be controlled after the assembly of the rear apron middle welding supports 2-1 and the middle mounting positioning supports 1-1 of the rear bumper 1, so that the water leakage and wind noise at the joint of the back door and the rear bumper 1 are avoided, and the rear bumper 1 can be supported to improve the rigidity of the middle part of the rear bumper 1 and prevent the rear bumper 1 from being outwardly exploded along the X direction.

[0050] The two corner arcs of the U-shaped opening of the rear bumper body are symmetrically provided with a sunken platform matching mounting part 1-5 and a buckle mounting part, the sunken platform matching mounting part 1-5 is arranged near the middle part of the arc, and the buckle mounting part is arranged near the lower tangent line of the arc, and the two corner arcs of the U-shaped opening of the rear apron body 2-4 are symmetrically provided with a rear apron side welding support 2-2, the sunken platform matching mounting part 1-5 is used to abut against the upper part of the rear apron side welding support 2-2, effectively preventing abnormal noise caused by the collision between the rear apron 2 and the rear bumper 1, and avoiding the paint discoloration caused by the impact or friction of the back door buffer pad on the bumper, and the lower part of the rear apron side welding support 2-2 is provided with a clamping hole suitable for clamping connection with the buckle mounting part, and the installation structure can effectively control the gap difference between the corner arc of the U-shaped opening of the rear bumper and the back door, so that the water leakage and wind noise at the joint of the back door and the rear bumper 1 are avoided.

[0051] The bottom of the rear bumper body is provided with three bottom mounting supports 1-2, and the middle bottom mounting support 1-2 is lower than the two side bottom mounting supports 1-2 in the Z direction, and the bottom of the rear apron body 2-4 is provided with three rear apron bottom welding supports 2-3, the bottom mounting supports 1-2 are provided with mounting holes, and after the connection of the bottom mounting supports 1-2 and the rear apron bottom welding supports 2-3 through bolts 3, the displacement of the rear bumper 1 in the Z direction can be limited to prevent the middle part of the rear bumper 1 from falling downward.

[0052] Referring to Figure 5 In the embodiment of the present application, the middle mounting positioning bracket 1-1 is provided with a main positioning hole 1-1-1, a clamping groove 1-1-2 and a reinforcing rib 1-1-3, the clamping groove 1-1-2 and the reinforcing rib 1-1-3 are arranged at intervals on the middle mounting positioning bracket 1-1, and the reinforcing rib 1-1-3 is arranged between two adjacent clamping grooves 1-1-2, and the main positioning hole 1-1-1 is arranged at the edge of the length direction of the middle mounting positioning bracket 1-1 and is located between one of the clamping grooves 1-1-2 and the reinforcing rib 1-1-3.

[0053] Specifically, the middle mounting positioning bracket 1-1 in the embodiment is provided with three clamping grooves 1-1-2, and the clamping grooves 1-1-2 are located at the two sides and the middle position of the middle mounting positioning bracket 1-1, the reinforcing ribs 1-1-3 are arranged between the adjacent clamping grooves 1-1-2, the main positioning hole 1-1-1 is arranged between the left clamping groove 1-1-2 and the reinforcing rib 1-1-3, and the main positioning hole 1-1-1 has a structure of wide in front and narrow in back.

[0054] Referring to Figures 6 to 10 The rear apron middle welding bracket 2-1 is arranged in one-to-one correspondence with each middle mounting positioning bracket 1-1, and the rear apron middle welding bracket 2-1 is provided with a clamping convex rib 2-1-1, a positioning boss 2-1-2 and a guide flange 2-1-3, the clamping convex rib 2-1-1 is suitable for clamping with the clamping groove 1-1-2 to limit the displacement of the rear apron 2 in the front and back direction X of the rear bumper 1, the positioning boss 2-1-2 is suitable for connecting with the main positioning hole 1-1-1 to be able to position the rear bumper 1 in the left and right direction Y, and the guide flange 2-1-3 is suitable for connecting with the reinforcing rib 1-1-3 to limit the displacement of the rear apron 2 in the up and down direction Z of the rear bumper 1.

[0055] In the embodiment, the clamping convex rib 2-1-1 is formed as an upward circular arc convex structure, the circular arc surface thereof slides from bottom to top through the clamping groove 1-1-2 and abuts against the inner wall of the clamping groove 1-1-2, a square sliding groove is arranged in front of the clamping convex rib 2-1-1, the clamping convex rib 2-1-1 and the clamping groove 1-1-2 are detachably connected, and the clamping convex rib 2-1-1 can be detached by being lifted up from bottom to top through the square sliding groove. The guide flange 2-1-3 in the embodiment is formed as a Z-shaped structure to clamp the reinforcing rib 1-1-3, and the guide flange 2-1-3 can assist the X-direction guiding in the mounting and connecting process of the rear apron middle welding bracket 2-1 and the middle mounting positioning bracket 1-1, so that the mounting is more convenient.

[0056] According to the above technical means, the middle part of the rear bumper 1 and the middle part of the rear apron 2 are connected more stably and reliably by arranging multiple mounting and positioning structures on the middle mounting positioning bracket 1-1 and the rear apron middle welding bracket 2-1, so as to improve the rigidity of the middle part of the rear bumper 1.

[0057] Referring to Figure 4 In the embodiment, the sink fitting installation part 1-5 includes a sink body, the back of the sink body is provided with a sink reinforcing rib 1-5-1, and a buffer pad 1-6 is connected to the surface of the sink reinforcing rib 1-5-1. The sink body is formed as a structure with an inner convex and outer concave surface at the U-shaped mouth corner of the rear bumper 1, and the convex surface is circular, and a plurality of sink reinforcing ribs 1-5-1 are arranged on the convex surface of the sink body to strengthen the strength of the sink body and effectively prevent the sink body from being deformed by the impact of the rear apron 2, and also provide a mounting position for the buffer pad 1-6. The structure of the sink reinforcing rib 1-5-1 can be a strip-shaped rib or a circular ring rib. The buffer pad 1-6 is attached to the sink reinforcing rib 1-5-1 to buffer the abnormal noise generated when the rear apron 2 impacts the rear bumper 1. It should be noted that the orientation words "inner" and "outer" of the application refer to the inside and outside of the automobile, respectively, and the "back" refers to the convex surface of the sink body.

[0058] Referring to Figure 11 In the embodiment, the outer concave surface of the sink body is provided with a protective pad 1-7. The protective pad 1-7 is attached to the outer concave surface of the sink body. Referring to Figure 1 The outer shell of the corner arc of the U-shaped mouth of the rear bumper 1 is provided with an outer concave opening of the sink body, and the lower corner of the back door is provided with a buffer pad to position the outer concave opening of the sink body. When the back door of the automobile is closed, the protective pad 1-7 attached to the outer concave surface of the sink body can effectively prevent the back door buffer pad from impacting and rubbing the paint surface at the outer concave surface, causing discoloration or color loss, thereby ensuring the aesthetic appearance of the paint surface at the gutter position of the rear bumper of the automobile.

[0059] Specifically, referring to Figure 4 In the embodiment of the application, the buckle installation part includes a buckle seat 1-3 and a buckle 1-4, the buckle 1-4 is formed as a conical cylindrical structure, and the upper part of the buckle 1-4 is provided with a clasp 1-4-1. The bottom structure of the buckle seat 1-3 is adapted to the arc surface at the lower part of the corner of the U-shaped mouth of the rear bumper body, and it is fixed on the rear bumper body by welding. The buckle 1-4 is fixed on the upper surface of the buckle seat 1-3, and the buckle 1-4 and the buckle seat 1-3 are detachably connected, referring to Figure 12The buckle 1-4 comprises a circular truncated cone seat, the bottom of the circular truncated cone seat is provided with a base fixedly connected with the buckle seat 1-3, a circular truncated cone groove is formed in the circular truncated cone seat, a conical column body is fixedly connected at the bottom of the circular truncated cone groove, a groove is formed in one side surface of the conical column body, and a clamping ring 1-4-1 is arranged at the upper portion of the conical column body and detachably connected with the conical column body. The buckle 1-4 is made of plastic, the conical column body can make the buckle 1-4 pass through the small-diameter hole smoothly, and the clamping ring 1-4-1 can make the buckle 1-4 clamp the clamped rear apron side welding support 2-2. When the clamping ring 1-4-1 clamps the rear apron side welding support 2-2 towards the direction of the circular truncated cone seat, the groove of the conical column body can make the conical column body tighten inwardly along with the movement of the clamping ring 1-4-1.

[0060] Referring to Figure 13 In the embodiment, the lower portion of the rear apron side welding support 2-2 is provided with a clamping hole, the conical column body of the buckle 1-4 passes through the clamping hole, and the clamping ring is used to clamp the rear apron side welding support 2-2. According to the above technical means, the gap between the corner of the rear bumper U-shaped opening and the back door can be effectively controlled, and the water leakage and wind noise at the position can be avoided.

[0061] In the embodiment, the number of the bottom mounting supports 1-2 is at least three, and the bottom mounting supports 1-2 are arranged in the middle of the lower edge of the rear bumper body. Installation The bottom mounting supports 1-2 are arranged on the lower edge of the rear bumper body, and the bottom mounting supports 1-2 on the two sides are arranged in a central symmetry. The bottom mounting support 1-2 in the middle of the bottom of the rear bumper body is lower than the bottom mounting supports 1-2 on the two sides in the Z direction, and the bottom mounting support 1-2 is formed into a triangular structure with a front width and a rear width, and an installation hole is formed in the middle. It should be noted that the direction word "front" means that the tail of the automobile points to the head of the automobile, and the direction word "rear" means that the head of the automobile points to the tail of the automobile.

[0062] In the embodiment, the rear apron bottom welding support 2-3 is arranged in one-to-one correspondence with the bottom mounting support 1-2. The rear apron bottom welding support 2-3 is formed into an L-shaped structure, and a through hole is formed in the bottom. According to the above technical means, the bottom mounting support 1-2 and the rear apron bottom welding support 2-3 are arranged in a uniform and symmetrical manner at the bottom of the rear bumper body and the rear apron body 2-4, which can effectively ensure the stability and reliability of the connection between the rear bumper 1 and the rear apron 2 at the bottom.

[0063] Referring to Figure 14Specifically, in the embodiment of the present application, the bolts 3 are sequentially connected from bottom to top with the bottom mounting bracket 1-2 and the rear apron bottom welding bracket 2-3. After the bolts 3 are connected from bottom to top with the bottom mounting bracket 1-2 and the rear apron bottom welding bracket 2-3, the nuts are tightened to achieve the purpose of fastening. Moreover, the bolts 3 have gasket structures, which can increase the contact area of the bolts 3 and the bottom mounting bracket 1-2, so that the connection is more secure, and installing the bolts 3 from bottom to top can facilitate the disassembly work during subsequent vehicle maintenance.

[0064] The embodiment also provides an automobile comprising the mounting structure of the rear bumper and the rear apron.

[0065] Specifically, the automobile of the embodiment can effectively improve the rigidity and strength of the rear part of the automobile, so as to protect the internal structure of the vehicle body and the safety of the people in the vehicle during the collision, and the rear vehicle body water channel is exquisite, and the vehicle body is beautiful.

[0066] The preferred embodiments of the present application are described in detail above in combination with the drawings, but the present application is not limited thereto. Within the technical concept of the present application, various simple modifications can be made to the technical solutions of the present application, including the combination of various specific technical features in any suitable manner. In order to avoid unnecessary repetition, the present application does not further describe various possible combination manners. However, these simple modifications and combinations should also be regarded as the disclosed content of the present application and belong to the protection scope of the present application.

[0067] In addition, various different embodiments of the present application can also be combined arbitrarily, as long as they do not deviate from the idea of the present application, and they should also be regarded as the disclosed content of the present application.

Claims

1. A mounting structure for a rear bumper and a rear skirt, characterized in that, The application relates to a rear bumper (1) and a rear apron (2), the rear bumper (1) comprising a rear bumper body, the rear bumper body being provided with a middle installation positioning support (1-1), a sunken platform matching installation part (1-5), a buckle installation part and a bottom installation support (1-2), the rear apron (2) comprising a rear apron body (2-4), the rear apron body (2-4) being provided with a U-shaped opening, one side edge of the rear apron body (2-4) near the U-shaped opening being provided with a rear apron middle welding support (2-1) and a rear apron side welding support (2-2), the bottom of the rear apron body (2-4) being provided with a rear apron bottom welding support (2-3), the middle installation positioning support (1-1) being adapted to be connected with the rear apron middle welding support (2-1) so as to limit the displacement of the rear bumper (1) in the left-right direction Y and the gap between the rear bumper (1) and the bottom of a back door in the front-rear direction X, the sunken platform matching installation part (1-5) being adapted to abut against the rear apron side welding support (2-2), the buckle installation part being adapted to be connected with the rear apron side welding support (2-2) so as to control the gap between the rear bumper (1) and the rear apron (2) in the front-rear direction X, and the bottom installation support (1-2) being connected with the rear apron bottom welding support (2-3) through a bolt (3) so as to control the relative position of the rear bumper (1) and the rear apron (2) in the up-down direction Z.

2. The rear bumper and rear apron mounting structure according to claim 1, characterized by The middle installation positioning support (1-1) is provided with a main positioning hole (1-1-1), a clamping groove (1-1-2) and a reinforcing rib (1-1-3), the clamping groove (1-1-2) and the reinforcing rib (1-1-3) being arranged at intervals on the middle installation positioning support (1-1), and the reinforcing rib (1-1-3) being arranged between two adjacent clamping grooves (1-1-2), the main positioning hole (1-1-1) being arranged on the length direction edge of the middle installation positioning support (1-1) and located between one of the clamping grooves (1-1-2) and the reinforcing rib (1-1-3).

3. The rear bumper and rear apron mounting structure according to claim 2, characterized by Each of the rear apron middle welding supports (2-1) is correspondingly arranged with each of the middle installation positioning supports (1-1), the rear apron middle welding support (2-1) being provided with a clamping convex rib (2-1-1), a positioning boss (2-1-2) and a guide flange (2-1-3), the clamping convex rib (2-1-1) being adapted to be clamped with the clamping groove (1-1-2) so as to limit the displacement of the rear apron (2) in the front-rear direction X of the rear bumper (1), the positioning boss (2-1-2) being adapted to be connected with the main positioning hole (1-1-1) so as to position the rear bumper (1) in the left-right direction Y, and the guide flange (2-1-3) being adapted to be connected with the reinforcing rib (1-1-3) so as to limit the displacement of the rear apron (2) in the up-down direction Z of the rear bumper (1).

4. The rear bumper and rear apron mounting structure according to claim 1, characterized by The sink fitting mounting part (1-5) comprises a sink main body, the back of the sink main body is provided with a sink reinforcing rib (1-5-1), and a buffer pad (1-6) is connected to the surface of the sink reinforcing rib (1-5-1).

5. The rear bumper and rear apron mounting structure according to claim 4, characterized by The other side of the sink main body is provided with a protection pad (1-7) relative to the sink reinforcing rib (1-5-1).

6. The rear bumper and rear apron mounting structure according to claim 1, characterized by The buckle mounting part comprises a buckle seat (1-3) and a buckle (1-4), the buckle (1-4) is formed as a conical column structure, and the upper portion of the buckle (1-4) is provided with a clamping ring (1-4-1).

7. The rear bumper and rear apron mounting structure according to claim 6, characterized by The lower portion of the rear apron side welding support (2-2) is provided with a clamping hole, the conical column of the buckle (1-4) passes through the clamping hole, and the clamping ring (1-4-1) is used to clamp the rear apron side welding support (2-2).

8. The rear bumper and rear apron mounting structure according to claim 1, characterized by The number of the bottom mounting supports (1-2) is at least three, each of the bottom mounting supports (1-2) is arranged at the lower edge of the rear bumper body, and the bottom mounting supports (1-2) on both sides are arranged in a central symmetry.

9. The rear bumper and rear apron mounting structure according to claim 8, characterized by The rear apron bottom welding support (2-3) is arranged in one-to-one correspondence with the bottom mounting support (1-2).

10. An automobile characterized by comprising: The mounting structure of the rear bumper and the rear apron comprises the rear bumper and the rear apron according to any one of claims 1 to 9.

Images