CN211943519U - Vehicle body rear structure and vehicle body - Google Patents

Abstract

The utility model provides an automobile body rear portion structure and automobile body, the utility model discloses an automobile body rear portion structure is including connecting the rear bumper between two side walls of automobile body to and the side wall tail lamp of installing respectively between rear bumper and each side wall, all dispose location structure between rear bumper and each side wall tail lamp, and location structure is including constructing the setting element on the side wall tail lamp, and construct the constant head tank on the rear bumper, and because of the installation of rear bumper on the automobile body, the setting element inlays in the constant head tank, in order to constitute the location of rear bumper in the width direction of automobile body. The utility model discloses a rear structure of the automobile body can shorten the size chain link of the alignment degree of the rear bumper and the side wall tail lamp, reduce the influence factor, and simply and effectively solve the alignment degree problem; secondly need not to rely on white automobile body precision, rear bumper precision, side wall tail lamp precision excessively, reduce the cost of rectifying and reforming, promote the exquisite perception of product appearance.

Description

Vehicle body rear structure and vehicle body

Technical Field

The utility model relates to an automobile parts assembles technical field, in particular to automobile body rear portion structure. And simultaneously, the utility model discloses still relate to an automobile body that has this automobile body rear portion structure.

Background

The top-down uniformity of gaps on two sides of a back door of the existing part of vehicle types is an important index for the exquisite perception and evaluation of the appearance. The gaps on the two sides of the back door particularly relate to parts such as a side wall, a back door decoration plate, a back door, a side wall tail lamp, a back door tail lamp and the back door, and due to the fact that the number of the parts is large and the number of influencing factors is large, the uniformity of the gaps on the two sides of the back door from top to bottom is a difficult point needing to be solved in the trial production stage of each vehicle type.

In order to solve the above problems, the following methods are generally used: 1. the positioning surface in the width direction of the vehicle body, which is provided by the side wall at the matching part of the rear bumper and the side wall, is used as the control reference of the rear bumper in the width direction of the vehicle body; 2. the aperture of a rear bumper mounting hole at the tail lamp base plate in the width direction of the vehicle body is reduced, so that the rear bumper mounting hole has the function of positioning the rear bumper in the width direction of the vehicle body; 3. the aperture of a rear bumper mounting hole at the rear wall metal plate is reduced, so that the rear bumper mounting hole has the function of positioning the rear bumper in the width direction of the vehicle; 4. and manually adjusting and assembling on site.

However, the above method also has the following disadvantages: 1. the effectiveness of positioning the rear bumper in the width direction of the vehicle body is poor; 2. the precision of the vehicle body is seriously depended (the precision is improved, and the cost is consumed); 3. the tact increases and the stability is poor.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention is directed to provide a rear structure of a vehicle body to ensure the uniformity of gaps on both sides of a back door from top to bottom and improve the appearance of the back door.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

the utility model provides an automobile body rear structure, including connecting the rear bumper between two side walls of automobile body, and in rear bumper and each side the side wall tail lamp of installing respectively between the side wall, rear bumper and each all dispose location structure between the side wall tail lamp, just location structure including construct in setting element on the side wall tail lamp, and construct in constant head tank on the rear bumper, and because of rear bumper in installation on the automobile body, the setting element inlays to be in the constant head tank, in order to constitute the rear bumper in the width direction's of automobile body location.

Furthermore, the side wall tail lamp comprises a lamp housing, and the positioning part is located on the lower surface of the lamp housing and extends downwards from the lower surface.

Furthermore, the positioning piece is a thin-wall piece.

Furthermore, the cross section of the positioning piece is U-shaped, and the positioning piece comprises two limiting plates arranged at intervals in the width direction of the vehicle body and a connecting plate connected between the two limiting plates.

Furthermore, a reinforcing part is connected between the positioning part and the lower surface of the lamp housing.

Furthermore, the reinforcing parts are two reinforcing parts connected between the positioning part and the lower surface, and the two reinforcing parts are arranged at intervals in the width direction of the vehicle body.

Furthermore, the constant head tank has the opening that sets up towards the automobile body front portion, and because of the rear bumper is in the installation on the automobile body, the setting element by the opening is embedded in the constant head tank.

Furthermore, the side wall tail lamp and the rear bumper are provided with coplanar matching surfaces, and the distance between the positioning structure and the matching surfaces is 25-35 mm.

Further, the distance between the positioning piece and the outer surface of the lamp housing is 25mm-35 mm.

Compared with the prior art, the utility model discloses following advantage has:

(1) the utility model discloses a rear structure of a car body, through setting up the setting element on the side wall tail lamp, and set up the constant head tank on the rear bumper, thus make the rear bumper position in the car body width direction, can shorten the size chain link of rear bumper and side wall tail lamp alignment degree like this, reduce the influence factor, solve the alignment degree problem simply and effectively; secondly need not to rely on white automobile body precision, rear bumper precision, side wall tail lamp precision excessively, reduce the cost of rectifying and reforming, promote the exquisite perception of product appearance.

(2) The locating piece is arranged on the lower surface of the lamp shell of the side wall tail lamp, and is favorable for limiting the position of the rear bumper in the width direction of the vehicle body.

(3) The positioning piece is a thin-wall piece, which is beneficial to ensuring the mold stripping precision.

(4) The setting element includes the structure of two limiting plates and a connecting plate, is favorable to improving setting element self structural strength to be favorable to improving the positioning accuracy to rear bumper.

(5) The reinforcing part is connected between the positioning part and the lower surface of the lamp shell, so that the structural strength of the positioning part can be further improved.

(6) Two reinforcing parts are arranged, so that the structural strength of the positioning part can be effectively improved.

(7) Set up the opening on the constant head tank, on being favorable to the basis of bumper installation, can be favorable to cooperating and injecing rear bumper in automobile body width direction's position with the reference column.

(8) The position of the positioning structure is limited, and the accuracy of limiting the position of the rear bumper in the width direction of the vehicle body is improved.

Another object of the present invention is to provide a vehicle body, which has the vehicle body rear structure as described above.

The utility model discloses an automobile body and aforementioned automobile body rear portion structure have the same beneficial effect for prior art, no longer describe herein.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a schematic structural view of a vehicle body rear structure according to a first embodiment of the present invention;

FIG. 2 is a schematic structural view of the unassembled rear bumper of FIG. 1;

fig. 3 is a schematic structural view of a side wall tail lamp according to the first embodiment of the present invention;

FIG. 4 is an enlarged view of the portion B of FIG. 3;

fig. 5 is a schematic structural view of a rear bumper according to a first embodiment of the present invention;

FIG. 6 is an enlarged view of section C of FIG. 5;

FIG. 7 is an enlarged view of portion A of FIG. 1;

FIG. 8 is a cross-sectional view taken along line D-D of FIG. 7;

fig. 9 is a side view of a vehicle body rear structure according to a first embodiment of the present invention;

FIG. 10 is an enlarged view of section E of FIG. 9;

FIG. 11 is a cross-sectional view F-F of FIG. 10;

description of reference numerals:

1-rear bumper, 2-side wall, 3-side wall tail lamp, 4-matching surface;

101-positioning grooves;

301-positioning element, 3011-limiting plate, 3012-connecting plate, 3013-reinforcing element, 302-lower surface, 303-outer surface.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In order to facilitate understanding of the present invention, the following description of "alignment degree" mentioned in the following text is made, at the rear part of the vehicle body of a partial vehicle type, gaps are formed on both sides of the back door, a side wall outer plate, a side wall tail lamp and a rear bumper are arranged from top to bottom on one side of the gap, a back door decorative plate, a back door tail lamp and the back door are arranged from top to bottom on the other side of the gap, the alignment degree of the present invention refers to the formation of any two components which are adjacent from top to bottom on any side of the gap, and the gap positions are aligned.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Example one

The embodiment relates to a vehicle body rear structure, which mainly comprises a rear bumper connected between two side walls of a vehicle body and two side wall tail lamps respectively arranged between the rear bumper and the side walls. In order to improve the appearance quality of the vehicle body, the main improvement point of the embodiment is that the positioning structures are arranged on the rear bumper and each side wall tail lamp, and each positioning structure comprises a positioning piece constructed on the side wall tail lamp and a positioning groove constructed on the rear bumper, and the positioning piece is embedded in the positioning groove to form the positioning of the rear bumper in the width direction of the vehicle body due to the installation of the rear bumper on the vehicle body.

Based on the above overall structural description, an exemplary structure of the vehicle body rear structure of the present embodiment is shown in fig. 1 and 2, wherein the main structure and mounting manner of the side wall 2, the rear bumper 1 and the side wall rear lamp 3 can refer to the prior art. Referring to fig. 7, the side wall 2, the rear bumper 1 and the side wall tail lamp 3 have coplanar mating surfaces 4, and exposed gaps are formed between the mating surfaces 4 and the back door, the back door trim and the back door tail lamp, which are not shown in the figure.

In a specific structure, the side wall tail lamp 3 includes a lamp housing, and the positioning member 301 of the embodiment is located on a lower surface 302 of the lamp housing and extends downward from the lower surface 302. Generally, the lamp housing is injection molded, so that the positioning member 301 and the lamp housing are integrally injection molded to ensure the dimensional accuracy.

Referring to fig. 3 and 4, in a preferred embodiment, in order to ensure the demolding accuracy of the injection-molded part and prevent the deformation, the positioning member 301 is not a solid member, but a shell is drawn inside the positioning member 301 to form a thin-walled member, the wall thickness of which is preferably 3 mm. Specifically, the retainer 301 has a "U" shaped cross section, and includes two stopper plates 3011 arranged at a distance in the width direction of the vehicle body, and a connecting plate 3012 connected between the two stopper plates 3011. The purpose of setting up like this improves the position accuracy of setting element 301 to effectively guarantee spacing effect. It should be noted here that, for better cooperation with the below-described positioning groove 101, the two stopper plates 3011 are arranged in parallel, and the opening of the cross section of the positioning member 301 is arranged toward the front of the vehicle body.

Referring to fig. 4, in a specific position, in a preferred embodiment, the distance between the positioning member 301 and the mating surface 4 is 25mm to 35mm, and the distance between the positioning member 301 and the outer surface 303 of the lamp housing is 25mm to 35mm, so as to improve the position limiting effect on the basis of improving the position accuracy of the positioning member. The reason for this setting is that, the precision of injection molding is easily influenced by the distance between the detection surface and the reference, so the precision of using the fitting surface 4 of the side wall tail lamp 3 as the reference is very high, and then the alignment degree of the rear bumper 1 and the side wall tail lamp 3 is also easy to control, that is, the rear bumper 1 and the side wall tail lamp have no surface difference. If the alignment problem of the rear bumper 1 and the side wall tail lamp 3 occurs in the trial production stage, the position of the mold of the positioning member 301 can be adjusted to quickly solve the alignment problem.

In order to improve the positioning effect of the positioning member 301, a reinforcing member 3013 is further connected between the positioning member 301 and the lower surface 302 of the lamp housing. In a preferred embodiment, the reinforcement 3013 is two pieces connected between the positioning member 301 and the lower surface 302, and more specifically, the reinforcement 3013 includes two pieces arranged in parallel and arranged at a distance from each other in the width direction of the vehicle body.

As shown in fig. 6, a positioning groove 101 is provided corresponding to the aforementioned positioning member 301, and the positioning groove 101 is formed in an upper side edge of the rear bumper 1, which has an opening provided toward the front of the vehicle body. As shown in fig. 8 to 11, when the rear bumper 1 is mounted on the vehicle body, the positioning member 301 is inserted into the positioning groove 101 through the opening, so as to limit the mounting position of the rear bumper 1 in the vehicle width direction.

In a specific position, the distance between the positioning groove 101 and the matching surface 4 is preferably 25mm-35mm, for example, it may be 30mm, so as to improve the position accuracy of the positioning groove and improve the limiting effect. Here, two kinds of positioning structures are provided at both ends of the rear bumper 1 in the longitudinal direction (along the vehicle width direction). Specifically, the rear bumper 1 is positioned in the width direction of the vehicle body by the cooperation of the positioning grooves 101 and the side wall tail lamps 3, and is positioned in the width direction of the vehicle body by the cooperation of the bumper mounting bracket and the side walls 2, the two positioning structures are far away from each other on the rear bumper 1, and the part of the rear bumper 1 between the two positioning structures has a structure with a large radian and certain toughness, so that over-constraint cannot be generated between the two positioning structures. Can be higher than or be less than 3 problems of side wall tail lamp according to alignment degree problem vehicle width direction at later stage trial production stage rear bumper 1, adjust rear bumper 1 constant head tank 101 mould, realize the quick adjustment of alignment degree problem.

In this embodiment, the rear bumper 1 is integrally of a "U" shaped structure, and the tolerance capability in the vehicle width direction is very strong, and due to this structure, the position of the rear bumper 1 in the vehicle width direction in the conventional structure is difficult to control, and the rear bumper 1 protrudes or sinks from the side wall tail light 3; however, the present embodiment also utilizes the "U" shaped structural feature of the rear bumper 1, and adopts the principle of shortening the dimensional chain, and the positioning member 301 is disposed on the side wall tail light 3 to control the alignment degree between the side wall tail light and the rear bumper 1, and meanwhile, the rear bumper 1 is not subjected to uneven stress due to the over-positioning in the vehicle width direction due to the strong tolerance capability of the rear bumper 1. Even if the alignment degree problem appears during the installation of the rear bumper 1, the position of the positioning piece or the positioning groove die can be adjusted, the alignment degree can be quickly adjusted, and the adjustment cost and the period can be saved.

The solution of rear bumper 1 and 2 end tail-light alignment degree problems of side wall, the degree of consistency problem in the gap of perfect solution back door both sides realizes the huge promotion of the exquisite sense of automobile body rear portion outward appearance, also can promote product competitiveness simultaneously.

The assembly process of the vehicle body rear structure of the embodiment is basically consistent with that of the existing rear bumper 1, and the specific operation steps are as follows, firstly, the side wall 2 is installed on a white vehicle body, then the side wall tail lamp 3 is installed, then two operators respectively hold one end, the positioning groove 101 of the rear bumper 1 is inserted into the positioning piece 301, and then the rear bumper 1 is shot in at the matching position of the rear bumper 1 and the side wall 2; and finally, screwing the mounting bolt at the position where the mounting bolt is needed.

In the rear structure of the vehicle body of the embodiment, the positioning part 301 is arranged on the side wall tail lamp 3, and the positioning groove 101 is arranged on the rear bumper 1, so that the rear bumper 1 is positioned in the width direction of the vehicle body, thereby shortening a size chain ring of the alignment degree of the rear bumper 1 and the side wall tail lamp 3, reducing influence factors, and simply and effectively solving the alignment degree problem; secondly, the precision of a white automobile body, the precision of a rear bumper 1 and the precision of a side wall tail lamp 3 are not excessively depended on, the cost of rectification and modification is reduced, and the exquisite perception of the product appearance is improved.

Example two

The present embodiment relates to a vehicle body having a vehicle body rear structure as described in the first embodiment. According to the vehicle body, by applying the vehicle body rear structure, the uniformity of gaps on two sides of the back door at the rear part of the vehicle body can be effectively improved.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A vehicle body rear structure, including connect in the rear bumper (1) between two side walls (2) of vehicle body, and in rear bumper (1) and each side wall tail lamp (3) of installing respectively between side wall (2), its characterized in that: rear bumper (1) and each all dispose location structure between side wall tail lamp (3), just location structure including the structure in setting element (301) on side wall tail lamp (3), and the structure in constant head tank (101) on rear bumper (1), and because of rear bumper (1) in installation on the automobile body, setting element (301) set in constant head tank (101), in order to constitute rear bumper (1) in the width direction's of automobile body location.

2. The vehicle body rear structure according to claim 1, characterized in that: side wall tail lamp (3) include the lamp body, setting element (301) are located on lower surface (302) of lamp body, and certainly lower surface (302) downwardly extending sets up.

3. The vehicle body rear structure according to claim 2, characterized in that: the positioning piece (301) is a thin-wall piece.

4. The vehicle body rear structure according to claim 3, characterized in that: the cross section of the positioning piece (301) is U-shaped, and the positioning piece comprises two limiting plates (3011) arranged in the width direction of the car body at intervals and a connecting plate (3012) connected between the two limiting plates (3011).

5. The vehicle body rear structure according to claim 2, characterized in that: and a reinforcing piece (3013) is connected between the positioning piece (301) and the lower surface (302) of the lamp shell.

6. The vehicle body rear structure according to claim 5, characterized in that: the reinforcing pieces (3013) are two reinforcing pieces connected between the positioning piece (301) and the lower surface (302), and the two reinforcing pieces (3013) are arranged at intervals in the width direction of the vehicle body.

7. The vehicle body rear structure according to claim 2, characterized in that: the locating slot (101) has an opening arranged towards the front of the vehicle body, and the rear bumper (1) is installed on the vehicle body, and the locating piece (301) is embedded in the locating slot (101) through the opening.

8. The vehicle body rear structure according to any one of claims 2 to 7, characterized in that: the side wall (2), the side wall tail lamp (3) and the rear bumper (1) are provided with matching surfaces (4) which are arranged in a coplanar manner, and the distance between the positioning structure and the matching surfaces (4) is 25mm-35 mm.

9. The vehicle body rear structure according to claim 8, characterized in that: the distance between the positioning piece (301) and the outer surface (303) of the lamp housing is 25mm-35 mm.

10. A vehicle body, characterized in that: the vehicle body has the vehicle body rear structure of any one of claims 1 to 9.

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