阅读说明：本技术 一种新型翼子板和前保险杠的装配方法 (Novel fender and front bumper assembling method ) 是由 刘振华 杨书丛 汪进 陈辉 张龙 马宇 花鑫 程大双 姜雪峰 牟雪婷 郝丽娜 于 2021-09-13 设计创作，主要内容包括：本发明涉及车身结构领域,具体来说是一种新型翼子板和前保险杠的装配方法,具体为,先进行定位部的装配连接,再进行装配部的装配连接；本发明公开了一种基于新型翼子板和新型前保险杠的前保险杠与翼子板的装配方法,本发明通过上述装配方法的公开,方便了新型翼子板与新型前保险杠间的装配。(The invention relates to the field of vehicle body structures, in particular to a novel assembling method of a fender and a front bumper, which comprises the following steps of firstly assembling and connecting a positioning part and then assembling and connecting an assembling part; the invention discloses a front bumper based on a novel fender and a novel front bumper and an assembling method of the fender.)

1. A method for assembling a novel fender and a front bumper comprises the following steps of;

it is characterized in that;

the fender comprises a fender body, wherein the fender body comprises a main body plate, and the main body plate is connected with an extension plate; the main body plate and the extension plate are of an integrated structure; the front bumper comprises a front bumper body, the front bumper body comprises a front bumper plate, a bridging plate is arranged on the side face of the front bumper plate, and the front bumper plate and the bridging plate are of an integrated structure; the bridge plate is butted with an extension plate, and the extension plate is positioned above the bridge plate;

the bridging plate is connected with the extension plate through an assembling part;

the assembling part comprises a front protection connecting part connected with the extension plate, the front protection connecting part comprises a first transverse plate arranged at one end of the extension plate far away from the main body plate, and the first transverse plate is connected with a bridging plate on the front protection body;

the first transverse plate is connected with the front protection body through a first connecting part; the first connecting part comprises a first connecting hole arranged on the first transverse plate, and a first bolt is arranged in the first connecting hole; the first bolt penetrates through the first connecting hole to be connected with the front body; the first transverse plate is connected with the front protection body at least through two first connecting parts;

the fender body is also provided with a positioning part, and the positioning part comprises a first pin slot and a first pin column which are arranged at one end of the fender body close to the front fender body; the first plug pin groove and the first plug column are distributed at intervals; the first plug pin groove is arranged along the transverse direction, and the first plug column is arranged along the longitudinal direction;

the fender body is provided with a positioning block, the positioning block is arranged at the end part of an extension plate, and the extension plate is connected with the positioning block through a first transverse plate; the first bolt groove is arranged on the positioning block;

the upper end of the bridging plate is provided with a lap-joint flanging, and the lap-joint flanging is provided with a second connecting hole corresponding to the first connecting hole; the number of the second connecting holes in the bridging plate is not less than that of the first connecting holes in the first transverse plate;

the lap joint flanging is provided with a positioning sinking groove, and the positioning sinking groove is positioned at the joint of the bridging plate and the front protection body; a positioning bolt is arranged in the positioning sinking groove, and a first positioning groove is also arranged on the lap joint turnup; when the fender is connected with the front bumper, the positioning bolt is connected with the first bolt groove; the first latch post is connected with the first positioning groove;

the assembling method comprises the following steps:

step 1: taking the matched fender and front bumper;

step 2: the fender is clamped obliquely, the fender is moved, the positioning block at the end part of the fender is placed in the positioning sunk groove of the front bumper, then the fender is continuously moved transversely, the first inserting groove in the positioning block is inserted on the positioning inserting pin, and after the first inserting groove is inserted with the positioning inserting pin, the fender is rotated, so that the first inserting pin column is inserted into the first positioning groove, and the pre-positioning of the fender and the front bumper is realized;

and step 3: after the step 2 is finished, enabling a first bolt to respectively penetrate through the first connecting hole and the second connecting hole to achieve connection between the fender and the front bumper; so far, the fender and the front bumper are assembled, if other fenders and the front bumper need to be connected repeatedly, the steps are repeated.

2. A novel fender and front bumper assembling method according to claim 1, wherein one end of the first transverse plate is connected with the extending plate, the other end of the first transverse plate extends freely, and a limiting longitudinal plate is arranged at one end of the first transverse plate, which is far away from the extending plate; the limiting longitudinal plate is attached to the side face of the front protection body, which is contacted with the limiting longitudinal plate.

3. The assembling method of a novel fender and a front bumper as claimed in claim 2, wherein the horizontal projection of the limiting longitudinal plate is in a step shape.

4. The assembling method of a novel fender and a front bumper as claimed in claim 1, wherein a positioning block is arranged on the fender body, the positioning block is arranged at the end part of an extension plate, and the extension plate is connected with the positioning block through a first transverse plate; the first bolt groove is arranged on the positioning block; a barb groove is formed in the positioning block; the barb groove is communicated with the first bolt groove.

5. A method for assembling a novel fender and a front bumper according to claim 1, wherein the bridging plate is distributed on the side surface of the front fender, and the bridging plate is obliquely arranged.

6. The assembling method of the novel fender and the front bumper as claimed in claim 1, wherein an assembling flange is further arranged at the edge of the fender body; the assembling flanging is provided with an anti-sink mark inner groove close to one end of the fender body.

7. A novel fender and front bumper assembly method according to claim 6, wherein a reinforcing rib is arranged between the assembly flange and the fender body.

8. A novel fender and front bumper assembly method according to claim 7 wherein the reinforcement rib ends extend into the sink mark preventing interior channel.

9. A novel fender and front bumper assembling method according to claim 1, wherein before step 2, a mounting bracket is assembled on the fender; the fender body is provided with a mounting bracket for assembly, the mounting bracket comprises a frame body, and the end part of the frame body is provided with a connecting part; the connecting part comprises a connecting sleeve arranged on the frame body, and the connecting sleeve is connected with a connecting screw; the connecting sleeve is connected with the fender body through a connecting screw.

10. A method for assembling a fender and a front bumper according to claim 9, wherein the frame body is provided with at least two connecting portions, and the connecting sleeves of the two connecting portions are distributed in a staggered manner.

Technical Field

The invention relates to the field of vehicle body structures, in particular to a novel assembling method of a fender and a front bumper.

Background

With the increasing requirements of people on living quality, the automobile is no longer a simple transportation tool, and the requirements of people on automobile use experience are higher and higher.

Traditional car body structure generally all includes fender and front bumper structure, and traditional fender and front bumper erection joint position are in headlight department, and traditional connected mode though can realize being connected between front bumper and the fender, but the assembly clearance that traditional fender and front bumper formed is in car head upper end, is unfavorable for the integrated design of car head, influences the car outward appearance.

In addition, the assembly gap formed by connecting the traditional fender and the front bumper is generally arranged obliquely, when the automobile moves, gas and rainwater easily enter the assembly gap, so that the automobile has larger wind resistance, and meanwhile, the rainwater is enabled to be immersed into the service life of the internal devices of the automobile.

Meanwhile, when the injection molding part is cooled and solidified in a mold cavity during the production of the automobile fender, shrinkage marks can be generated on the surface of the injection molding part due to the fact that the wall thickness of the injection molding part is uneven and the solidification speed is different.

Simultaneously, the fender generally arranges in the car outside, still comes to be connected with the auto chassis through the turn-ups of fender structure periphery when traditional fender structure is connected with the auto chassis, and traditional connected mode can realize being connected of fender structure and automobile body, but traditional fender structure middle part is regional still be equivalent to in unsettled state, receives outside striking back when fender structure middle part, very easily takes place deformation.

Therefore, in order to solve the technical problems, the traditional vehicle body structure needs to be optimally designed, and the vehicle body structure is optimized, which inevitably brings about the change of the assembly process; therefore, it is necessary to explain the assembly method between the optimized vehicle body structures.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provides an assembling method for assembling a novel fender and a novel front bumper.

In order to achieve the purpose, the invention adopts the technical scheme that:

a novel assembling method of a fender and a front bumper,

the fender comprises a fender body, wherein the fender body comprises a main body plate, and the main body plate is connected with an extension plate; the main body plate and the extension plate are of an integrated structure; the front bumper comprises a front bumper body, the front bumper body comprises a front bumper plate, a bridging plate is arranged on the side face of the front bumper plate, and the front bumper plate and the bridging plate are of an integrated structure; the bridge plate is butted with an extension plate, and the extension plate is positioned above the bridge plate; the bridging plate is connected with the extension plate through an assembling part;

the assembling part comprises a front protection connecting part connected with the extension plate, the front protection connecting part comprises a first transverse plate arranged at one end of the extension plate far away from the main body plate, and the first transverse plate is connected with a bridging plate on the front protection body;

the first transverse plate is connected with the front protection body through a first connecting part; the first connecting part comprises a first connecting hole arranged on the first transverse plate, and a first bolt is arranged in the first connecting hole; the first bolt penetrates through the first connecting hole to be connected with the front body; the first transverse plate is connected with the front protection body at least through two first connecting parts;

the fender body is also provided with a positioning part, and the positioning part comprises a first pin slot and a first pin column which are arranged at one end of the fender body close to the front fender body; the first plug pin groove and the first plug column are distributed at intervals; the first plug pin groove is arranged along the transverse direction, and the first plug column is arranged along the longitudinal direction;

the fender body is provided with a positioning block, the positioning block is arranged at the end part of an extension plate, and the extension plate is connected with the positioning block through a first transverse plate; the first bolt groove is arranged on the positioning block;

the upper end of the bridging plate is provided with a lap-joint flanging, and the lap-joint flanging is provided with a second connecting hole corresponding to the first connecting hole; the number of the second connecting holes in the bridging plate is not less than that of the first connecting holes in the first transverse plate;

the lap joint flanging is provided with a positioning sinking groove, and the positioning sinking groove is positioned at the joint of the bridging plate and the front protection body; a positioning bolt is arranged in the positioning sinking groove, and a first positioning groove is also arranged on the lap joint turnup; when the fender is connected with the front bumper, the positioning bolt is connected with the first bolt groove; the first latch post is connected with the first positioning groove;

the assembling method comprises the following steps:

step 1: taking the matched fender and front bumper;

step 2: the fender is clamped obliquely, the fender is moved, the positioning block at the end part of the fender is placed in the positioning sunk groove of the front bumper, then the fender is continuously moved transversely, the first inserting groove in the positioning block is inserted on the positioning inserting pin, and after the first inserting groove is inserted with the positioning inserting pin, the fender is rotated, so that the first inserting pin column is inserted into the first positioning groove, and the pre-positioning of the fender and the front bumper is realized;

and step 3: after the step 2 is finished, enabling a first bolt to respectively penetrate through the first connecting hole and the second connecting hole to achieve connection between the fender and the front bumper; so far, the fender and the front bumper are assembled, if other fenders and the front bumper need to be connected repeatedly, the steps are repeated.

One end of the first transverse plate is connected with the extending plate, the other end of the first transverse plate extends freely, and one end of the first transverse plate, which is far away from the extending plate, is provided with a limiting longitudinal plate; the limiting longitudinal plate is attached to the side face of the front protection body, which is contacted with the limiting longitudinal plate.

The horizontal projection of the limiting longitudinal plate is in a step shape.

The fender body is provided with a positioning block, the positioning block is arranged at the end part of an extension plate, and the extension plate is connected with the positioning block through a first transverse plate; the first bolt groove is arranged on the positioning block; a barb groove is formed in the positioning block; the barb groove is communicated with the first bolt groove.

The bridging board distributes and protects the side of board before, the bridging board slope sets up.

An assembling flange is further arranged at the edge of the fender body; the assembling flanging is provided with an anti-sink mark inner groove close to one end of the fender body.

And a reinforcing rib plate is arranged between the assembling flanging and the fender body.

The end part of the reinforcing rib plate extends to the sink mark preventing inner groove.

The invention has the advantages that:

the invention discloses a front bumper based on a novel fender and a novel front bumper and an assembling method of the fender.

Drawings

The contents of the expressions in the various figures of the present specification and the labels in the figures are briefly described as follows:

fig. 1 is a schematic structural diagram of a first view angle according to the present invention.

FIG. 2 is a schematic diagram of a second perspective view of the present invention.

Fig. 3 is a partially enlarged view of the area a in fig. 2.

Fig. 4 is a schematic view of the fender panel according to the present invention.

Fig. 5 is a partially enlarged view of the region B in fig. 4.

Fig. 6 is a partially enlarged view of the region C in fig. 4.

Fig. 7 is a schematic view of the fender panel of the present invention shown attached to a mounting bracket.

Fig. 8 is a partially enlarged view of a region D in fig. 7.

Fig. 9 is a schematic structural view of a mounting bracket according to the present invention.

Fig. 10 is a schematic view of an optimized fender structure according to the invention.

Fig. 11 is a partially enlarged view of an area E in fig. 10.

Fig. 12 is a schematic view of the first plug end with an extruded threaded sleeve attached thereto according to the present invention.

The labels in the above figures are:

1. fender, 2, front bumper, 3, installing support.

Detailed Description

The following description of preferred embodiments of the invention will be made in further detail with reference to the accompanying drawings.

A novel assembling method of a fender and a front bumper comprises a fender 1 and a front bumper 2; the fender 1 comprises a fender body, the fender body comprises a main body plate 11, and the main body plate 11 is connected with an extension plate 12; the main body plate 11 and the extension plate 12 are of an integrated structure; the front bumper 2 comprises a front bumper body, the front bumper body comprises a front bumper plate 21, a bridging plate 22 is arranged on the side surface of the front bumper plate 21, and the front bumper plate 21 and the bridging plate 22 are of an integrated structure; the bridging plate 22 is butted against the extension plate 12, and the extension plate 12 is positioned above the bridging plate 22; the bridging plate 22 is connected with the extension plate 12 through a fitting part; the invention discloses a novel body structure for a miniature electric vehicle; the fender 1 and the front bumper 2 in the invention are structurally obviously different from the prior art, specifically, the fender 1 comprises a main body plate 11, wherein the main body plate 11 is equivalent to the structure of the traditional fender 1, the invention changes the structure that one side of the traditional fender 1 close to the front bumper 2 is lengthened, namely, an extension plate 12 is arranged at the end part of the main body plate 11, and the arrangement of the extension plate 12 enables the joint of the fender 1 and the front bumper 2 to move downwards; according to the invention, the connection part of the fender 1 and the front bumper 2 moves downwards, so that the appearance is attractive, rainwater is conveniently discharged outside, and rainwater is prevented from entering the inner part of the shell of the automobile body through the fender 1 and the front bumper 2; meanwhile, the excessive wind resistance formed by the assembly clearance at the joint of the traditional fender 1 and the front bumper 2 is well avoided; based on the structural design of the fender 1, the front bumper 2 is optimized, the optimization mainly lies in the structure of the front bumper 2, the invention is equivalent to the disassembly of the original front bumper 2, the front protective plate 21 can be regarded as the main body structure of the traditional front bumper 2 in the invention, the invention facilitates the connection between the front bumper 2 and the fender 1 by additionally arranging the bridging plate 22, the bridging plate 22 is positioned at the lower end of the extension plate 12, and the bridging plate 22 is butted with the extension plate 12, so that the assembly position of the fender 1 and the front bumper 2 is transversely arranged, namely the assembly gap between the fender 1 and the front bumper 2 is transversely arranged; due to the arrangement, the wind flow can be prevented from forming vortex wind resistance in the assembly gap, so that the wind resistance formed by the assembly gap can be reduced, meanwhile, compared with the traditional assembly gap, the assembly gap moves downwards, and the downward moving position reaches the lower end of the daytime running light, so that the water liquid permeating into the assembly gap between the fender 1 and the front bumper 2 can be prevented from damaging the daytime running light; meanwhile, the fender 1 and the front bumper 2 are transversely arranged, so that the water liquid on the front fender 1 can be reduced from flowing into the assembly gap.

In addition, it should be noted that the main body plate 11 and the extension plate 12, as well as the front protection plate 21 and the bridge are all integrated structures, and the above-mentioned split type is only provided for more clearly stating the structures of the components.

In the present invention, the fender panel 1 and the front bumper 2 are connected to the vehicle body panel by bolts.

Further, in the present invention, the fitting portion includes a front guard connecting portion connected to the extension plate 12, the front guard connecting portion includes a first transverse plate 121 disposed at an end of the extension plate 12 away from the main body plate 11, and the first transverse plate 121 is connected to the bridge plate 22 on the front guard body; the front bumper connecting part is arranged, so that the connection between the fender 1 and the front bumper 2 is facilitated, the front bumper connecting part comprises the first transverse plate 121 arranged on the extension plate 12, the arrangement of the first transverse plate 121 is convenient, the arrangement of subsequent parts is facilitated, in addition, the first transverse plate 121 is convenient to be attached to the lap joint flanging 221 on the bridging plate 22, and a preliminary positioning and calibrating effect is achieved, and particularly, the first transverse plate 121 is connected with the front bumper body through the first connecting part; the first connecting portion is arranged to realize the fixed connection between the front bumper 2 and the fender 1, and specifically, in the present invention, the first connecting portion includes a first connecting hole 122 arranged on the first transverse plate 121, and a first bolt is arranged in the first connecting hole 122; the first bolt passes through the first connecting hole 122 to be connected with the front body; the first transverse plate 121 is connected with the front protector body at least through two first connecting parts; based on the stated manner, the fender 1 and the front bumper 2 are connected through the bolts, so that the connection strength between the fender 1 and the front bumper 2 is greatly increased, and the trouble of connecting the traditional fender 1 and the front bumper 2 through a single buckle is avoided; the trouble of the traditional connection by using a clamping mode is changed.

Furthermore, in the present invention, one end of the first transverse plate 121 is connected to the extending plate 12, and the other end extends freely, and a limiting longitudinal plate 123 is disposed at one end of the first transverse plate 121 away from the extending plate 12; in addition, the first transverse plate 121 is provided with a limiting longitudinal plate 123, the limiting longitudinal plate 123 is arranged at the edge of the first transverse plate 121, and the limiting longitudinal plate 123 is arranged longitudinally, so that the first transverse plate 121 and the limiting longitudinal plate 123 form a horizontally placed L-shaped plate, the limiting longitudinal plate 123 plays a role of a hook end part, and the limiting longitudinal plate 123 is attached to the side surface of the front protection body contacted with the limiting longitudinal plate 123 in actual use; due to the arrangement, the accuracy of the position of the first transverse plate 121 can be guaranteed, and meanwhile, the stability of the fender 1 during assembly can be well guaranteed.

Further, in the present invention, the horizontal projection of the limiting longitudinal plate 123 is stepped; the limiting longitudinal plate 123 is in a step shape, mainly the limiting longitudinal plate 123 is not only in a flat plate structure, but also in a step shape, namely the limiting longitudinal plate 123 is not in a flat plate structure, namely has a convex area and a concave area, and the arrangement is matched with the outer side structure of the subsequent lap-joint turned edge 221, so that the shape of the joint of the lap-joint turned edge 221 and the limiting longitudinal plate 123 is the same, and the lap-joint turned edge 221 and the limiting longitudinal plate 123 have the mutual limiting capability, so that the self-checking between the fender 1 and the front bumper 2 can be well realized, and the stability and the accuracy of the assembly between the fender 1 and the front bumper 2 can be better ensured.

Furthermore, in the invention, the fender body is further provided with a positioning part, and the positioning part comprises a first latch groove 125 and a first latch column 124 which are arranged at one end of the fender body close to the front fender body; according to the invention, through the arrangement of the positioning part, the fender 1 and the front bumper 2 have stable pre-fixing capability when being locked and fixed, and the subsequent assembly of the fender 1 and the front bumper 2 is facilitated; specifically, in the invention, the fender body is provided with the first latch groove 125 and the first latch post 124, and during actual assembly, namely when the fender 1 is connected with the front bumper 2, the positioning latch 223 is connected with the first latch groove 125; the first latch pin 124 is connected with the first positioning slot 222; due to the arrangement, two-point fixation is realized between the fender 1 and the front bumper 2, the pre-fixation operation of the fender 1 and the front bumper 2 can be realized, the subsequent assembly is convenient, and in addition, as a greater optimization, the first plug pin grooves 125 and the first plug pins are distributed at intervals; the first plug groove 125 is arranged in a transverse direction, and the first plug column is arranged in a longitudinal direction; due to the arrangement, the first bolt groove 125 is matched with the positioning bolt 223, longitudinal limiting of the fender 1 can be achieved, and the first bolt column 124 is matched with the first positioning groove 222, transverse limiting of the fender 1 can be achieved, so that locking and fixing of the fender 1 and the front bumper 2 by the subsequent first connecting part can be facilitated; meanwhile, in order to avoid the interference problem, the trapezoidal limiting strip is required to be arranged on the positioning bolt 223, the thickness of the trapezoidal limiting strip close to the free end of the positioning bolt 223 is smaller than the thickness of the trapezoidal limiting strip far away from the free end of the positioning bolt 223, so that the first bolt groove 125 and the positioning bolt 223 are convenient to be matched to form a certain moving space, and a subsequent first inserting column is convenient to be inserted into the first positioning groove 222; the trapezoidal limiting strip is that a bulge is arranged on the upper end surface or/and the lower end surface of the positioning latch pin; seen from the side as a right trapezoid.

Further, in the present invention, a positioning block 126 is disposed on the fender body, the positioning block 126 is disposed at an end of the extension plate 12, and the extension plate 12 is connected to the positioning block 126 through the first transverse plate 121; the positioning block 126 is arranged to play a role in calibration, the positioning block 126 is mainly matched with the positioning sinking groove 225 in the following text for use, so that the fender panel 1 can be conveniently and transversely positioned, the situation that the fender panel 1 protrudes out of the front bumper 2 during assembly to influence the assembly efficiency is avoided, meanwhile, the positioning sinking groove 225 is matched with the positioning block 126 to play a good transverse limiting capacity, and the first pin groove 125 and the first pin column 124 in the text can be conveniently matched to better realize the locking between the fender body and the front bumper 2; in addition, the first latch groove 125 is provided on the positioning block 126; a barb groove 1261 is formed on the positioning block 126; the barb groove 1261 communicates with the first latch groove 125; the barb groove 1261 disclosed by the invention is clamped on the lap-joint flanging 221 of the lower bridge plate 22, so that a locking and fixing effect is better realized, and the assembling stability of the fender 1 is better ensured.

Further, in the present invention, the bridging plate 22 is distributed on the side of the front protection plate 21, and the bridging plate 22 is arranged obliquely; the bridging plate 22 is distributed on the side face of the front protective plate 21, so that an assembly gap between the fender 1 and the front bumper 2 can be positioned on the side face of an automobile, the appearance of the head of the automobile is prevented from being influenced due to the existence of the assembly gap, the shaping performance of the appearance of the head of the automobile is ensured, meanwhile, the bridging plate 22 is an arc-shaped plate, the arrangement of the bridging plate 22 plays a good transition role, the head of the whole automobile is smooth, the existence of edges is reduced, and the wind resistance is greatly reduced.

Further, in the present invention, the upper end of the bridge plate 22 is provided with the lap-joint turned-up edge 221, in the present invention, the lap-joint turned-up edge 221 mainly corresponds to the first transverse plate 121, the lap-joint turned-up edge 221 and the first transverse plate 121 are mutually attached, which can increase the attaching degree between the fender 1 and the front bumper 2, and can increase the stability of the subsequent connection between the fender 1 and the front bumper 2, in addition, the lap-joint turned-up edge 221 is provided with the second connection hole 224 corresponding to the first connection hole 122; the number of the second connecting holes 224 on the bridge plate 22 is not less than the number of the first connecting holes 122 on the first transverse plate 121; the arrangement of the second connecting holes 224 facilitates the connection of the connecting bolts between the fender 1 and the front bumper 2.

Furthermore, in the present invention, the lap-joint turned-up edge 221 is provided with a positioning sinking groove 225, and the positioning sinking groove 225 is located at the connection position of the bridge plate 22 and the front protection body; a positioning bolt 223 is arranged in the positioning sinking groove 225, and a first positioning groove 222 is also arranged on the lapping flanging 221; when the fender 1 is connected with the front bumper 2, the positioning latch 223 is connected with the first latch groove 125; the first latch pin 124 is connected with the first positioning slot 222; the positioning sinking groove 225 of the present invention is matched with the positioning block 126 to perform a calibration and limiting function, and similarly, the matching of the first positioning groove 222 and the positioning bolt 223 is also used for the calibration and limiting between the fender 1 and the front bumper 2.

In addition, further, in the invention, the end part of the first bolt column is provided with an external thread, and the end part of the first bolt column is provided with the extrusion thread sleeve 1241, so that in practical use, after the first bolt column is inserted into the first positioning groove, the extrusion thread sleeve 1241 is sleeved on the first insertion column; the transverse size of the extrusion threaded sleeve 1241 is larger than that of the first positioning groove, so that a good limiting effect can be achieved, and the first inserting column is prevented from being separated from the first positioning groove.

Further, the fender body is provided with an installation bracket 3 for assembly, the installation bracket 3 comprises a frame body, and the frame body is provided with a fender assembly part; the fender body is provided with a plurality of flange structures, the flange structures are provided with connecting holes, and the bolts are used for connecting the fender 1 and the automobile body through the flange structures.

Further, in the present invention, a connecting portion 31 is disposed at an end of the frame body, the connecting portion 31 includes a connecting sleeve 311 disposed on the frame body, and the connecting sleeve 311 is connected with a connecting screw; the connecting sleeve 311 is connected with the fender body through a connecting screw; the frame body is at least provided with two connecting parts 31, and connecting sleeves 311 of the two connecting parts 31 are distributed in a staggered manner; the connecting part 31 mainly plays a role in basic connection, and realizes primary positioning between the mounting bracket 3 and the fender body, specifically, the frame body is provided with the connecting sleeve 311, the connecting sleeve 311 is internally provided with internal threads, during actual connection, a flanging structure is arranged at a position corresponding to the fender body, and a screw penetrates through the flanging structure to be connected with the connecting sleeve 311, so that primary positioning between the mounting bracket 3 and the fender body is realized; meanwhile, in the invention, the connection sleeves 311 of the two connection parts 31 are required to be distributed in a staggered manner, which means that the connection sleeves are not only distributed at intervals, but also the central lines of the two connection sleeves 311 are required to be arranged in an intersecting manner, that is, the included angle between the central lines of the two connection sleeves 311 is between 0 degree and 180 degrees, and the end point value is not taken, so that the different binding forces exerted by the screws connected with the two connection parts 31 and the mounting bracket 3 can be realized, the rotation of the mounting bracket 3 can be avoided, and the position stability of the mounting bracket 3 can be better ensured.

Further, in the invention, the frame body comprises an installation attachment plate 32, the installation attachment plate 32 is attached to the fender body, an installation frame 33 is arranged on the installation attachment plate 32, the installation frame 33 comprises an installation plate 332, and a fender assembly part is arranged on the installation plate 332; the mounting flitch 32 is of a plate structure, the mounting flitch 32 is of a general name structure, the mounting flitch 32 is attached to the inner side face of the fender body, and the arrangement of the mounting flitch 32 can greatly improve the supporting strength of the fender 1; in addition, the mounting frame 33 is arranged on the mounting attachment plate 32, the mounting frame 33 mainly serves as a connecting frame structure for connecting the fender 1 and a vehicle body metal plate in subsequent use, the mounting frame 33 mainly comprises a mounting plate 332, the fender assembling portion is mainly used for connecting the fender 1 and the mounting bracket 3, and the fender assembling portion can be a hole or an insertion hole and other structures arranged on the mounting frame 33.

Further, in the present invention, the mounting plate 332 is disposed perpendicular to the fender body; because the vehicle body structure disclosed by the invention is applied to a micro electric vehicle, the fender 1 disclosed by the invention can cover the side surface of the whole front cabin, and the mounting plate 332 is vertically arranged with the fender body in the invention, so that the mounting plate 332 can be longitudinally connected on a vehicle body metal plate, and the vertical arrangement of the fender 1 and the front bumper 2 is ensured; in addition, in the present invention, the mounting plate 332 is connected to the mounting attachment plate 32 via an elevated portion; the arrangement of the elevated part increases the interval between the mounting plate 332 and the fender body, so that the fender 1 has a certain interval when the whole vehicle is mounted, and the normal assembly of the fender 1 is facilitated; the presence of gaps is reduced.

Further, the elevated portion comprises a frame beam 331, the frame beam 331 plays a role in basic support, the strength of the mounting bracket 3 is well guaranteed, and in addition, a plurality of avoidance notches are formed in the frame beam 331; the arrangement of the avoidance notch facilitates the installation of parts such as a subsequent radar support and the like, and a good avoidance effect is achieved.

Furthermore, the fender body edge is provided with the fender flange 1-1, the fender body periphery is provided with the fender flange 1-1, the prior art is not repeated, the innovation point of the invention is that a positioning block beam 35 is arranged on one side of the mounting attachment plate 32 close to the fender flange 1-1, one end of the positioning block beam 35 is connected with the mounting attachment plate 32, and the other end of the positioning block beam is pressed against the fender flange 1-1; the arrangement of the positioning block beam 35 plays a good positioning role, when in actual use, the end part of the positioning block beam 35 is attached to the inner side surface of the fender flange 1-1, the positioning block beam 35 and the fender flange 1-1 are mutually positioned, and the stability of mounting and placing of the mounting bracket 3 on the fender body is well ensured; in addition, the mounting attachment plate 32 and the fender body can be connected in a gluing or welding mode, and the side face of the mounting bracket 3 can be guaranteed to have a good limiting effect through the arrangement of the positioning block beam 35, so that the mounting bracket 3 is prevented from swinging.

Furthermore, a positioning clamping portion is arranged between the mounting attachment plate 32 and the fender body, the positioning clamping portion comprises an inserting-connecting sunken groove 34 formed in the edge of the mounting attachment plate 32 and inserting-connecting longitudinal plates 1-11 arranged on the fender body, and when the mounting support 3 is connected with the fender body, the inserting-connecting longitudinal plates 1-11 are inserted into the inserting-connecting sunken groove 34; the matching of the plugging longitudinal plates 1-11 and the plugging sinking grooves 34 ensures that the stability of the mounting bracket 3 in the fender body can be ensured when the mounting bracket 3 and the fender 1 are not locked by other connecting parts 31.

Furthermore, in the invention, a positioning rib plate is arranged at the end part of the mounting flitch 32; the positioning rib plate comprises a positioning base plate 36, and a positioning rib 37 is arranged on the positioning base plate 36; the positioning rib plate and the positioning base plate 36 mainly play a role in positioning, when in actual arrangement, the positioning rib 37 is attached to the first transverse plate 121 on the fender 1, the position of the lower end of the mounting bracket 3 is well limited, and meanwhile, the base plate is provided with an avoidance groove 38; the avoidance groove 38 is provided to avoid the first connecting portion 31, and to avoid the influence of the positioning substrate 36 on the connection between the fender panel 1 and the front bumper 2 by the first connecting portion 31.

Further, an assembling flange 1-2 is arranged at the edge of the fender body; one end of the assembling flanging 1-2, which is close to the fender body, is provided with an anti-sink mark inner groove 1-21; the invention changes the thickness of the plate at the joint of the assembling flange 1-2 and the fender body, reduces the thickness of the plate formed by the fender body and the assembling flange 1-2, the anti-sink mark inner groove 1-21 can play a good role in blocking and isolating, and simultaneously reduces the time difference of cooling between the assembling flange 1-2 and the fender body through the difference of the wall thickness of the parts, thereby being capable of well avoiding the sink mark at the joint of the fender body and the assembling flange 1-2 when the fender 1 is in production operation.

In actual arrangement, the assembling flanging 1-2 is connected with the fender body; the assembly flanging 1-2 and the fender body are intersected and arranged as shown in the attached drawings.

Furthermore, reinforcing rib plates 1-22 are arranged between the assembling flanging 1-2 and the fender body; the arrangement of the reinforcing rib plates 1-22 can solve the problem that the strength of the joint of the fender body and the assembling flange 1-2 is influenced by the arrangement of the anti-sink mark inner grooves 1-21.

Further, in the present invention, the end portions of the reinforcing ribs 1 to 22 extend to the sink mark preventing inner grooves 1 to 21; by adopting the structural design, the end parts of the reinforcing rib plates 1-22 are equivalently inserted into the anti-sink mark inner grooves 1-21, so that the assembling flanging 1-2 and the fender body can be better supported.

A novel assembling method of a fender and a front bumper,

the assembling method comprises the following steps:

step 1: taking the matched fender and front bumper;

step 2: the fender is clamped obliquely, the fender is moved, the positioning block at the end part of the fender is placed in the positioning sunk groove of the front bumper, then the fender is continuously moved transversely, the first inserting groove in the positioning block is inserted on the positioning inserting pin, and after the first inserting groove is inserted with the positioning inserting pin, the fender is rotated, so that the first inserting pin column is inserted into the first positioning groove, and the pre-positioning of the fender and the front bumper is realized;

and step 3: after the step 2 is finished, enabling a first bolt to respectively penetrate through the first connecting hole and the second connecting hole to achieve connection between the fender and the front bumper; so far, the fender and the front bumper are assembled, if other fenders and the front bumper need to be connected repeatedly, the steps are repeated.

It is clear that the specific implementation of the invention is not restricted to the above-described embodiments, but that various insubstantial modifications of the inventive process concept and technical solutions are within the scope of protection of the invention.