CN214929544U - Bumper bracket and fender's mounting structure and car - Google Patents

Abstract

The utility model provides a bumper bracket and fender's mounting structure and car belongs to the vehicle technology field, including Y to location coupling unit and Z to location coupling unit, Y to location coupling unit including set up at the second turn-ups of fender first locating hole, set up on the bumper bracket and with first locating hole joint complex first locating post to and be used for with first locating post or bumper bracket top tight the first connecting piece on the second turn-ups; the Z-direction positioning connection unit comprises a second positioning hole arranged on the first flange of the fender, a second positioning column arranged on the bumper support and matched with the second positioning hole in a clamping mode, and a second connecting piece used for enabling the second positioning column or the bumper support to be tightly pressed against the first flange. The utility model discloses can promote the assembly efficiency of fender and bumper support, reduce the assembly degree of difficulty and guarantee that the assembly clearance of fender and bumper is poor with the face.

Description

Bumper bracket and fender's mounting structure and car

Technical Field

The utility model belongs to the technical field of the vehicle, more specifically say, relate to a mounting structure and car of bumper support and fender.

Background

In the process of bolting, one hand is needed to press the bumper bracket, the other hand is used to operate the tool to install the bolt, the labor intensity is very high, the production efficiency is seriously influenced, and in addition, each installation point needs to be welded with a nut or installed with a plastic nut seat, so the cost is higher.

The bumper is one of the parts for decorating the appearance of the automobile, is an important component of the integral shape of the automobile, and the appearance of the bumper is harmonious and consistent with the shape of the whole automobile. The quality of the bumper assembly is important to the overall appearance of the vehicle.

Bumper and fender cooperation department are usually fixed the bumper on the fender through the bumper support, and current bumper support is with the mounting means of fender: the assembly is completed by welding nuts or mounting plastic nut seats on the second flange of the fender panel (the fender panel has a first flange extending in the direction perpendicular to the Z direction of the vehicle body and a second flange extending in the direction perpendicular to the Y direction of the vehicle body) in advance, then aligning the respective mounting holes of the bumper stay with the nuts, and driving self-tapping screws into the nuts through the bumper stay. When the production line is installed, the bumper bracket cannot be associated with the fender, one hand is needed to hold the bumper bracket, the other hand is needed to beat the tapping screw, the assembly is difficult, and the production efficiency is low; in addition, the plastic nut seat has failure risks of damage and fracture after being used for a long time; furthermore, the positioning structures of the bumper support and the fender are all arranged on the second flanging of the fender, the positioning precision along the Y direction of the vehicle body depends on the surface profile degree of the second flanging, and the positioning precision along the Z direction of the vehicle body depends on the position degree of the positioning hole corresponding to the nut, so that the mounting precision of the bumper support is completely influenced by the forming precision of the second flanging of the fender, the forming precision is low, the gap surface difference is large, and the appearance vision is influenced; the molding precision is high, the processing difficulty is high, and the production cost is increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bumper bracket and fender's mounting structure aims at realizing promoting fender and bumper bracket's assembly efficiency, reducing the assembly degree of difficulty and guaranteeing fender and bumper's assembly clearance and the poor purpose of face.

In order to achieve the above object, the utility model adopts the following technical scheme: the mounting structure of the bumper bracket and the fender is used for connecting the bumper bracket and the fender; the fender is provided with a first flanging extending along the direction vertical to the Z direction of the vehicle body and a second flanging extending along the direction vertical to the Y direction of the vehicle body; the mounting structure of bumper bracket and fender includes:

the Y-direction positioning connecting unit comprises a first positioning hole arranged on the second flanging, a first positioning column arranged on the inner side surface of the bumper bracket, and a first connecting piece, wherein the inner end of the first positioning column penetrates through the first positioning hole and is in clamping fit with the first positioning hole, and the outer end of the first positioning column penetrates into the first positioning column and is used for tightly pushing the outer end of the first positioning column or the inner side surface of the bumper bracket against the second flanging;

and the Z-direction positioning connection unit comprises a second positioning hole arranged on the first flanging, a second positioning column arranged on the top surface and the upper end of the bumper support and penetrating through the second positioning hole and in clamping fit with the second positioning hole, and a second connecting piece arranged on the first flanging and used for tightly pushing the lower end of the second positioning column or the top surface of the bumper support against the second positioning column.

In a possible implementation manner, the first positioning column comprises two first clamping blocks which are symmetrically arranged at intervals; a first clamping cavity for clamping the first connecting piece is formed between the two first clamping blocks;

the two first clamping blocks are provided with first Z-direction limiting surfaces which are used for being respectively abutted to the upper hole wall and the lower hole wall of the first positioning hole.

In some embodiments, the Y-positioning attachment unit further comprises a first Y-positioning collar disposed on an inner side of the bumper bracket and located at a periphery of the first positioning post;

the first connecting piece enables the bumper support to be tightly propped against the outer side face of the second flanging through the first Y-direction positioning ring platform.

In some embodiments, each first Z-direction limiting surface is further provided with a first limiting clamping block, and the first limiting clamping block penetrates through the first positioning hole and is used for abutting against the inner side surface of the second flanging.

In a possible implementation manner, the second positioning column includes two second clamping blocks which are symmetrically arranged at intervals; a second clamping cavity for clamping the second connecting piece is formed between the two second clamping blocks;

and the two second clamping blocks are provided with X/Y-direction limiting surfaces used for being abutted against the hole walls of the second positioning holes.

In some embodiments, the Z-positioning attachment unit further comprises a second boss fixedly disposed on a top surface of the bumper bracket; the second positioning column is fixed on the second boss;

the second boss is provided with a second Z-direction limiting surface which is used for being abutted against the lower plate surface of the first flanging; the second connecting piece is used for pushing the bumper bracket tightly against the lower side surface of the first flanging through the second Z-direction limiting surface.

In a possible implementation manner, the mounting structure of the bumper bracket and the fender further comprises a Y-direction auxiliary positioning unit, which is used for auxiliary positioning and pre-mounting of the bumper bracket and the fender;

the Y-direction auxiliary positioning unit comprises a third positioning hole formed in the second flanging and a third positioning column arranged on the inner side face of the bumper support and clamped with the third positioning hole.

In some embodiments, the third positioning column has a third Z-direction limiting surface for abutting against the upper hole wall and the lower hole wall of the third positioning hole.

In some embodiments, the Y-direction auxiliary positioning unit further includes a third Y-direction positioning ring platform disposed on the inner side surface of the bumper bracket and located at the periphery of the third positioning column;

a third limiting clamping block is further arranged on the third Z-direction limiting surface and penetrates through the third positioning hole; the third limiting clamping block and the third Y-direction positioning ring platform are respectively used for being abutted against two side faces of the second flanging.

The utility model provides a bumper bracket and fender's mounting structure's beneficial effect lies in: compared with the prior art, the mounting structure of the bumper bracket and the fender of the utility model has the advantages that the second positioning post is clamped into the second positioning hole, the first positioning post is clamped into the first positioning hole, the pre-mounting of the bumper bracket and the fender can be realized, the assembly steps are reduced, the labor intensity and the difficulty are reduced, the bumper bracket or the first positioning post is tightly propped against the second flanging through the first connecting piece by penetrating the first positioning post, the second positioning post or the bumper bracket is tightly propped against the first flanging through the second positioning post by penetrating the second connecting piece, the connection and the fixation of the bumper bracket and the fender are realized, the assembly efficiency is improved, the nut is omitted, the problem caused by the failure of the nut can be avoided, the positioning can be realized by penetrating the first flanging and the second flanging, the manufacturing precision of the fender is reduced, and the positioning precision of the bumper bracket and the fender is also improved, thereby can guarantee that the clearance face difference of bumper and fender accords with the requirement of outward appearance vision.

The utility model also provides an automobile, including the mounting structure of foretell bumper bracket and fender.

The utility model provides a beneficial effect of car is the same with the beneficial effect of the mounting structure of foretell bumper bracket and fender, no longer gives unnecessary details here.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural view of a mounting structure of a bumper stay and a fender provided in an embodiment of the present invention;

FIG. 2 is a schematic illustration of the fender configuration of FIG. 1;

FIG. 3 is a schematic view of the bumper bracket of FIG. 1;

FIG. 4 is an enlarged schematic view of the structure of FIG. 3 taken along circle A;

FIG. 5 is an enlarged schematic view of the structure of FIG. 3 at circle B;

FIG. 6 is an enlarged schematic view of the structure of FIG. 3 taken along circle C;

fig. 7 is a schematic front view of a mounting structure of a bumper bracket and a fender provided in an embodiment of the present invention;

FIG. 8 is a sectional structural view taken along line D-D in FIG. 7;

FIG. 9 is a sectional view taken along line E-E of FIG. 7;

FIG. 10 is a sectional structural view taken along line F-F in FIG. 7;

fig. 11 is an enlarged schematic view of the circle G in fig. 1.

In the figure: 1. a Y-direction positioning connection unit; 11. a first positioning hole; 12. a first positioning post; 121. a first clamping block; 122. a first chucking chamber; 123. a first Z-direction limiting surface; 13. a first connecting member; 14. a first Y-direction positioning ring table; 15. a first limiting clamping block; 16. a first boss; 2. a Z-direction positioning connection unit; 21. a second positioning hole; 22. a second positioning column; 221. a second clamping block; 222. a second clamping cavity; 223. an X/Y direction limiting surface; 23. a second connecting member; 24. a second boss; 241. a second Z-direction limiting surface; 3. a Y-direction auxiliary positioning unit; 31. a third positioning hole; 32. a third positioning column; 321. a third Z-direction limiting surface; 33. a third Y-direction positioning ring table; 34. a third limiting clamping block; 35. a third boss; 4. a bumper bracket; 5. a fender panel; 51. first flanging; 52. and a second flanging.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In addition, the defined vehicle body X direction in the embodiment of the invention refers to the front and back direction of the advancing direction in the running process of the automobile, the defined vehicle body Y direction refers to the left and right direction of the advancing direction in the running process of the automobile, and the defined vehicle body Z direction refers to the up and down direction of the advancing direction in the running process of the automobile; the inner end and the outer end are defined by taking the Y direction of the vehicle body as reference, the end facing the inside of the vehicle is the inner end, and the end facing the outside of the vehicle is the outer end.

It should be noted that the bumper bracket 4 defined in the embodiment of the present invention is a structure commonly found in the prior art, the fender 5 is also a structure commonly found in the prior art, the fender 5 has a first turned-up edge 51 extending in the direction perpendicular to the vehicle body Z (i.e. perpendicular to the main body of the fender 5 and bending inward), and a second turned-up edge 52 extending in the direction perpendicular to the vehicle body Y (i.e. perpendicular to the first turned-up edge 51 and bending downward), the first turned-up edge 51 is connected to the main body of the fender 5, and the second turned-up edge 52 is connected to the first turned-up edge 51, as shown in fig. 2.

Referring to fig. 1, 2, 3 and 7, a bumper stay and fender mounting structure according to the present invention will now be described. The mounting structure of bumper support and fender for connect bumper support 4 and fender 5, including Y to location attachment unit 1 and Z to location attachment unit 2.

The Y-direction positioning and connecting unit 1 includes a first positioning hole 11 disposed on the second flange 52, a first positioning post 12 disposed on the inner side of the bumper bracket 4 and having an inner end passing through the first positioning hole 11 and engaged with the first positioning hole 11, and a first connecting member 13 having an outer end of the first positioning post 12 penetrating into the first positioning post 12 for pushing the outer end of the first positioning post 12 or the inner side of the bumper bracket 4 against the second flange 52.

The Z-direction positioning connection unit 2 includes a second positioning hole 21 disposed on the first flange 51, a second positioning column 22 disposed on the top surface of the bumper bracket 4, the upper end of the second positioning column passing through the second positioning hole 21 and being in clamping fit with the second positioning hole 21, and a second connection member 23 inserted into the second positioning column 22 from the lower end of the second positioning column 22 and used for pressing the lower end of the second positioning column 22 or the top surface of the bumper bracket 4 against the first flange 51.

The utility model provides a bumper bracket and fender's mounting structure's assembly process as follows:

firstly, the second positioning column 22 is clamped into the second positioning hole 21 upwards along the Z direction of the vehicle body, and in the process, the bumper bracket 4 does not need to correspond to the fender 5 in the Y direction of the vehicle body, and only the second positioning column 22 is inserted into the second positioning hole 21; then, the second positioning column 22 is used as an axis, the bumper support 4 is rotated until the first positioning column 12 is clamped into the first positioning hole 11 along the Y direction of the vehicle body, and the pre-assembly of the bumper support 4 and the fender 5 is completed; and finally, a second connecting piece 23 penetrates through the second positioning column 22 and the first connecting piece 13 penetrates through the first positioning column 12, and the two connecting pieces fasten the bumper bracket 4 on the fender 5 from the Z direction of the vehicle body and the Y direction of the vehicle body respectively, so that the assembly of the bumper bracket 4 and the fender 5 is completed.

It should be noted that the first connecting member 13 and the second connecting member 23 used in the present embodiment are preferably screws, and the screws have tips to facilitate the assembly into the first positioning column 12 and the second positioning column 22. Of course, the first connecting member 13 and the second connecting member 23 may be expansion bolts or other members capable of fixing the two positioning pillars to the fender panel 5.

Compared with the prior art, the mounting structure of the bumper bracket and the fender provided by the utility model has the advantages that the pre-mounting of the bumper bracket 4 and the fender 5 can be realized by the second positioning column 22 which is clamped into the second positioning hole 21 and the first positioning column 12 which is clamped into the first positioning hole 11, the assembly steps are reduced, the bumper bracket 4 does not need to be held by one hand, and the connecting piece is mounted by the other hand, so that the labor intensity and the difficulty are reduced; the first connecting piece 13 penetrates through the first positioning column 12 to tightly push the bumper support 4 or the first positioning column 12 on the second flanging 52, the second connecting piece 23 penetrates through the second positioning column 22 to tightly push the second positioning column 22 or the bumper support 4 on the first flanging 51, the bumper support 4 and the fender 5 are connected and fixed, the assembly efficiency is improved, nuts are omitted, the problem caused by nut failure can be avoided, the first flanging 51 and the second flanging 52 are used for achieving positioning with the bumper support 4, the manufacturing precision of the fender 5 is reduced, the positioning precision of the bumper support 4 and the fender 5 is also improved, and therefore the fact that the gap surface difference between the bumper and the fender 5 meets the requirement of visual appearance can be guaranteed.

In some embodiments, the first positioning column 12 may be configured as shown in fig. 4 and 8. Referring to fig. 4 and 8, the first positioning column 12 includes two first clamping blocks 121 disposed symmetrically and at intervals; a first clamping cavity 122 for clamping the first connecting piece 13 is formed between the two first clamping blocks 121; the two first clamping blocks 121 are respectively provided with a first Z-direction limiting surface 123 for abutting against the upper hole wall and the lower hole wall of the first positioning hole 11.

Specifically, one end (i.e., the outer end) of each of the two first clamping blocks 121 is fixedly connected to the bumper stay 4, the other end (i.e., the inner end) thereof protrudes inward in the vehicle body Y direction, and the protruding end passes through the first positioning hole 11; after the first connecting piece 13 penetrates into the first clamping cavity 122, the two first clamping blocks 121 are slightly elastically deformed by the extrusion of the first connecting piece 13, so that the two first clamping blocks 121 are ensured to clamp the first connecting piece 13, and the inner side surface of the bumper bracket 4 or the outer end of the first positioning column 12 is ensured to be tightly pressed against the outer side surface of the second flanging 52, so that the bumper bracket 4 is stably connected with the fender 5.

Specifically, the first positioning hole 11 is a polygonal hole, preferably a rectangular hole, having an upper hole wall and a lower hole wall. The two first Z-direction limiting surfaces 123 are respectively abutted against the upper hole wall and the lower hole wall and used for positioning the bumper bracket 4 along the Z direction of the vehicle body.

The first connecting piece 13 is used for abutting the inner side surface of the bumper bracket 4 or the outer end of the first positioning column 12 against the second flanging 52, and in order to optimize the abutting structure here and improve the positioning accuracy of the bumper bracket 4 along the Y direction of the vehicle body, on the basis of the above embodiment, the Y-direction positioning connecting unit 1 further comprises a first Y-direction positioning ring table 14 which is arranged on the inner side surface of the bumper bracket 4 and is positioned on the periphery of the first positioning column 12, as shown in fig. 4; the first connecting member 13 abuts the bumper stay 4 against the outer side surface of the second flange 52 via the first Y-position collar 14, as shown in fig. 8.

The bumper support 4 is located along the Y direction of the vehicle body by utilizing the first Y-direction locating ring platform 14, the first Y-direction locating ring platform 14 is simple in structure, as long as the inner side surface (namely, a locating surface) of the bumper support 4 is ensured to be tightly attached to the second flanging 52, compared with a mode of attaching the inner side surface of the bumper support 4 to the second flanging 52, the manufacturing precision of the inner side surface of the bumper support 4 can be reduced, compared with a mode of attaching the outer end of the first locating column 12 to the second flanging 52, and the structure of the first locating column 12 can be simplified. The first Y-direction positioning ring table 14 is used for positioning the bumper bracket 4 along the Y direction of the vehicle body, so that the structures of the bumper bracket 4 and the first positioning column 12 can be simplified, and the positioning precision is improved.

Preferably, the first boss 16 is arranged on the inner side surface of the bumper bracket 4, and the first positioning column 12 is fixedly arranged on the first boss 16; the first connecting piece 13 passes through the first boss 16 and is clamped in the first clamping cavity 122; the first Y-position collar 14 is secured to the first boss 16.

In order to prevent the bumper bracket 4 from moving outward along the Y direction after the bumper bracket 4 is assembled with the fender 5, on the basis of the above embodiment, each first Z-direction limiting surface 123 is further provided with a first limiting fixture block 15, and the first limiting fixture block 15 passes through the first positioning hole 11 and is used for abutting against the inner side surface of the second turned edge 52, as shown in fig. 4 and 8.

First spacing fixture block 15, first Y are to the position ring platform 14 respectively with the medial surface, the lateral surface butt of second turn-ups 52, that is to say, first spacing fixture block 15 and first Y can press from both sides tight second turn-ups 52 to position ring platform 14 to guarantee bumper bracket 4 along the positioning accuracy of automobile body Y to.

In some embodiments, the second positioning pillars 22 may be configured as shown in fig. 5 and 9. Referring to fig. 5 and 9, the second positioning column 22 includes two symmetrical and spaced second clamping blocks 221; a second clamping cavity 222 for clamping the second connecting piece 23 is formed between the two second clamping blocks 221; the two second clamping blocks 221 each have an X/Y-direction stopper surface 223 for abutting against the hole wall of the second positioning hole 21.

Specifically, the lower ends of the two second clamping blocks 221 are fixedly connected with the bumper bracket 4, the upper ends of the two second clamping blocks protrude upwards along the Z direction of the vehicle body, and the protruding ends penetrate through the second positioning holes 21; after the second connecting member 23 penetrates into the second clamping cavity 222, the two second clamping blocks 221 are slightly elastically deformed by the second connecting member 23, so that the two second clamping blocks 221 clamp the second connecting member 23, and the top surface of the bumper support 4 or the lower end of the second positioning column 22 is pressed against the lower side surface of the first flange 51, so that the bumper support 4 is stably connected with the fender 5.

Specifically, the second positioning hole 21 is a circular hole, the X/Y-direction stopper surface 223 is located at the lower portion of the second clamp block 221, and the X/Y-direction stopper surface 223 abuts against the second positioning hole 21 to position the bumper stay 4 in the X-direction and the Y-direction of the vehicle body.

The second connecting piece 23 is used for pressing the top surface of the bumper bracket 4 or the lower end of the second positioning column 22 against the first flange 51, and in order to optimize the pressing structure here and improve the positioning accuracy of the bumper bracket 4 along the Z direction of the vehicle body, on the basis of the above embodiment, the Z direction positioning and connecting unit 2 further comprises a second boss 24 fixedly arranged on the top surface of the bumper bracket 4; second positioning post 22 is integrally formed on second boss 24. The second boss 24 has a second Z-direction limiting surface 241 for abutting against the lower plate surface of the first flange 51; the second connecting member 23 abuts the bumper stay 4 against the lower side surface of the first flange 51 via the second Z-direction stopper surface 241, as shown in fig. 11.

In the embodiment, the bumper bracket 4 is positioned along the Z direction of the vehicle body by using the second boss 24, the second boss 24 is preferably of a bent plate-shaped structure, the upper plate surface is the second Z-direction limiting surface 241, as long as the upper plate surface is tightly attached to the first turned-over edge 51, and the side plate is used for being connected with the bumper bracket 4. Compared with a mode of attaching the top surface of the bumper support 4 to the first turned-over edge 51, the manufacturing precision of the top surface of the bumper support 4 can be reduced, and compared with a mode of attaching the lower end of the second positioning column 22 to the first turned-over edge 51, the structure of the second positioning column 22 can be simplified. The second boss 24 is used for positioning the bumper bracket 4 along the Z direction of the vehicle body, so that the structures of the bumper bracket 4 and the second positioning column 22 can be simplified, and the positioning precision is improved.

Referring to fig. 1, 2, 3 and 7, in some possible embodiments, the bumper beam and fender mounting structure further includes a Y-direction auxiliary positioning unit 3. Specifically, the Y-direction auxiliary positioning unit 3 includes a third positioning hole 31 disposed on the second flange 52 and a third positioning column 32 disposed on the inner side surface of the bumper bracket 4 and clamped with the third positioning hole 31.

The Y-direction auxiliary positioning unit 3 is positioned between the Y-direction positioning connection unit 1 and the Z-direction positioning connection unit 2, after the second positioning column 22 is clamped into the second positioning hole 21 upwards along the Z direction of the vehicle body, the bumper bracket 4 is rotated by taking the second positioning column 22 as an axis, the third positioning column 32 is clamped into the third positioning hole 31 along the Y direction of the vehicle body, the bumper bracket 4 is continuously rotated, and the first positioning column 12 is clamped into the first positioning hole 11 along the Y direction of the vehicle body. The Y-direction auxiliary positioning unit 3 is used for auxiliary positioning and pre-installation of the bumper support 4 and the fender 5, and further improves the pre-installation stability of the bumper support 4 and the fender 5.

Specifically, a plurality of Y-direction auxiliary positioning units 3 may be provided at intervals in the vehicle body X-direction, as shown in fig. 1.

In some embodiments, the third positioning pillars 32 have third Z-direction limiting surfaces 321 for abutting against the upper hole wall and the lower hole wall of the third positioning holes 31, as shown in fig. 6 and 10.

Specifically, the third positioning hole 31 is a polygonal hole, preferably a rectangular hole, having an upper hole wall and a lower hole wall. The third Z-direction limiting surfaces 321 are two and are respectively abutted to the upper hole wall and the lower hole wall, and are used for positioning the bumper bracket 4 along the Z-direction of the vehicle body.

In order to prevent the bumper bracket 4 from moving outward in the Y direction of the vehicle body after the bumper bracket 4 and the fender 5 are pre-assembled, on the basis of the above embodiment, the Y auxiliary positioning unit 3 further includes a third Y positioning ring 33 disposed on the inner side surface of the bumper bracket 4 and located at the periphery of the third positioning column 32; a third limiting latch 34 is further disposed on the third Z-direction limiting surface 321, as shown in fig. 6, the third limiting latch 34 passes through the third positioning hole 31; the third limiting latch 34 and the third Y-direction positioning ring table 33 are respectively used for abutting against two side surfaces of the second flanging 52, as shown in fig. 10.

The third limiting fixture block 34 and the third Y-direction positioning ring platform 33 are respectively abutted against the inner side surface and the outer side surface of the second flanging 52, that is, the third limiting fixture block 34 and the third Y-direction positioning ring platform 33 can clamp the second flanging 52, so that the positioning accuracy of the bumper bracket 4 along the Y direction of the vehicle body is ensured.

In addition, the third Y-direction positioning ring table 33 also has a function of positioning along the Y-direction of the vehicle body, and the structure and function thereof are the same as those of the first Y-direction positioning ring table 14, and are not described again here.

Preferably, the third boss 35 is arranged on the inner side surface of the bumper bracket 4, and the third positioning column 32 is fixedly arranged on the third boss 35; the third Y-position collar 33 is fixed to the third boss 35.

Based on the same inventive concept, the embodiment of the application also provides an automobile which comprises the bumper bracket and fender mounting structure.

The utility model provides an automobile can realize the preinstallation of bumper bracket 4 and fender 5, reduce the assembly step, reduce intensity of labour and the degree of difficulty, has promoted assembly efficiency, has still left out the nut, can avoid the problem because of nut inefficacy produces; the first turned-over edge 51 and the second turned-over edge 52 can be positioned, the manufacturing precision of the fender 5 is reduced, and the positioning precision of the bumper bracket 4 and the fender 5 is improved, so that the gap surface difference between the bumper and the fender 5 can meet the requirement of appearance vision.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. The mounting structure of the bumper bracket and the fender is used for connecting the bumper bracket and the fender; the fender is provided with a first flanging extending along the direction vertical to the Z direction of the vehicle body and a second flanging extending along the direction vertical to the Y direction of the vehicle body; its characterized in that, the mounting structure of bumper bracket and fender includes:

the Y-direction positioning connecting unit comprises a first positioning hole arranged on the second flanging, a first positioning column arranged on the inner side surface of the bumper bracket, and a first connecting piece, wherein the inner end of the first positioning column penetrates through the first positioning hole and is in clamping fit with the first positioning hole, and the outer end of the first positioning column penetrates into the first positioning column and is used for tightly pushing the outer end of the first positioning column or the inner side surface of the bumper bracket against the second flanging;

and the Z-direction positioning connection unit comprises a second positioning hole arranged on the first flanging, a second positioning column arranged on the top surface and the upper end of the bumper support and penetrating through the second positioning hole and in clamping fit with the second positioning hole, and a second connecting piece arranged on the first flanging and used for tightly pushing the lower end of the second positioning column or the top surface of the bumper support against the second positioning column.

2. The bumper bracket and fender mounting structure according to claim 1, wherein the first locating post includes two first clamping blocks disposed symmetrically and at a distance; a first clamping cavity for clamping the first connecting piece is formed between the two first clamping blocks;

the two first clamping blocks are provided with first Z-direction limiting surfaces which are used for being respectively abutted to the upper hole wall and the lower hole wall of the first positioning hole.

3. The bumper bracket and fender mounting structure according to claim 2, wherein the Y-position attaching unit further includes a first Y-position collar provided on an inner side surface of the bumper bracket and located at a periphery of the first positioning post;

the first connecting piece enables the bumper support to be tightly propped against the outer side face of the second flanging through the first Y-direction positioning ring platform.

4. The bumper bracket and fender mounting structure according to claim 3, wherein each of the first Z-direction limiting surfaces further includes a first limiting block, and the first limiting block passes through the first positioning hole and is adapted to abut against an inner side surface of the second flange.

5. The bumper bracket and fender mounting structure of claim 1, wherein the second locating post comprises two symmetrical and spaced apart second clamping blocks; a second clamping cavity for clamping the second connecting piece is formed between the two second clamping blocks;

and the two second clamping blocks are provided with X/Y-direction limiting surfaces used for being abutted against the hole walls of the second positioning holes.

6. The bumper bracket and fender mounting structure according to claim 5, wherein the Z-positioning attachment unit further comprises a second boss fixedly provided on a top surface of the bumper bracket; the second positioning column is fixed on the second boss;

the second boss is provided with a second Z-direction limiting surface which is used for being abutted against the lower plate surface of the first flanging; the second connecting piece is used for pushing the bumper bracket tightly against the lower side surface of the first flanging through the second Z-direction limiting surface.

7. The bumper bracket and fender mounting structure according to any one of claims 1 to 6, wherein the bumper bracket and fender mounting structure further comprises a Y-direction auxiliary positioning unit for auxiliary positioning and pre-mounting of the bumper bracket and fender;

the Y-direction auxiliary positioning unit comprises a third positioning hole formed in the second flanging and a third positioning column arranged on the inner side face of the bumper support and clamped with the third positioning hole.

8. The bumper bracket and fender mounting structure of claim 7, wherein the third positioning post has a third Z-stop surface for abutting against an upper hole wall and a lower hole wall of the third positioning hole.

9. The bumper bracket and fender mounting structure of claim 8, wherein the Y-direction auxiliary positioning unit further comprises a third Y-direction positioning ring platform disposed on an inner side surface of the bumper bracket and located at a periphery of the third positioning post;

a third limiting clamping block is further arranged on the third Z-direction limiting surface and penetrates through the third positioning hole; the third limiting clamping block and the third Y-direction positioning ring platform are respectively used for being abutted against two side faces of the second flanging.

10. An automobile characterized by comprising the bumper stay and fender mounting structure according to any one of claims 1 to 9.

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