CN212195350U

CN212195350U - Front anti-collision beam welding assembly for automobile

Info

Publication number: CN212195350U
Application number: CN202020828010.5U
Authority: CN
Inventors: 马伟松
Original assignee: Dingzhou Zhongbang Industry And Trade Co ltd
Current assignee: Dingzhou Zhongbang Industry And Trade Co ltd
Priority date: 2020-05-18
Filing date: 2020-05-18
Publication date: 2020-12-22
Anticipated expiration: 2030-05-18

Abstract

The utility model discloses an anticollision roof beam welding assembly before car, including inner panel structure and planking structure, the both ends of inner panel structure and planking structure all are equipped with protruding round hole and faying face, the below of faying face is equipped with down the installing support, be first cavity between two faying faces of inner panel structure, a plurality of U type recesses have all been seted up to the upper and lower edge of first cavity, the both ends of first cavity are equipped with first locating hole, the middle part of first cavity is equipped with three lightening hole, be the second cavity between two faying faces of planking structure, the top communicates respectively has exhaust passage about the second cavity, the protruding round hole of exhaust passage other end intercommunication, the upper and lower intercommunication of protruding round hole has the air discharge duct, the both ends of second cavity are equipped with the second locating hole respectively, the middle part is equipped with the installing support. The utility model discloses can improve whole electrophoresis application exhaust effect, effectively avoid car front anti-collision beam welding assembly later stage to rust, have the advantage that production efficiency is high and application scope is wide.

Description

Front anti-collision beam welding assembly for automobile

Technical Field

The utility model relates to a vehicle safety equipment technical field, more specifically relates to crashproof roof beam welding assembly before car.

Background

The anti-collision beam is a U-shaped groove formed by punching cold-rolled steel plates, is connected with the frame longitudinal beam and serves as a first barrier for passive safety of the automobile, and is an important safety device for absorbing and buffering external impact force and protecting an automobile body. When the collision at a high speed and a high speed occurs, the anti-collision beam can effectively transfer the energy to the whole vehicle body, so that the whole vehicle body absorbs the energy, and the personal safety of passengers in a passenger cabin is ensured.

At present, light truck's preceding crashproof roof beam is mostly the roll-in piece structure in the market, and production efficiency is low and be difficult to processing the electrophoresis exhaust hole, is unfavorable for the electrophoresis application, and the later stage can appear the problem of rustting.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that needs to solve provides an anticollision roof beam welding assembly before car to solve current preceding anticollision roof beam and be unfavorable for the electrophoresis application rusty problem of appearing easily, with improve whole electrophoresis application exhaust effect, avoid the later stage to rust.

In order to solve the technical problem, the utility model adopts the following technical proposal.

An automobile front anti-collision beam welding assembly comprises an inner plate structure and an outer plate structure which are formed by stamping thin plates and buckled together, wherein both ends of the inner plate structure and the outer plate structure are provided with a convex round hole and a lap joint surface for lap joint of an automobile body, and a lower mounting bracket for mounting a front bumper is arranged below the lap joint surface; a first cavity of a shallow concave type is arranged between two overlapping surfaces of the inner plate structure, a plurality of U-shaped grooves used for discharging gas are formed in the upper edge and the lower edge of the first cavity, first positioning holes used for improving welding precision are formed in the two ends of the first cavity, and three lightening holes used for lightening the whole weight are uniformly formed in the middle of the first cavity; the outer plate structure is characterized in that a second cavity of a deep groove type is formed between two overlapping surfaces of the outer plate structure, the left top end and the right top end of the second cavity are respectively communicated with an exhaust channel, the other end of the exhaust channel is communicated with a convex round hole, the upper portion and the lower portion of the convex round hole are respectively communicated with an exhaust groove vertically arranged, two ends of the second cavity are respectively provided with a second positioning hole used for improving welding precision, and the middle portion of the second cavity is provided with an upper mounting support used for mounting a front bumper.

According to the technical scheme, the convex round holes and the overlapping surfaces of the inner plate structure and the convex round holes and the overlapping surfaces of the outer plate structure are the same and are mutually buckled and overlapped together.

Further optimize technical scheme, protruding round hole sets up in the central authorities of faying surface.

Further optimize technical scheme, the installing support is the L type down, and the one end and the faying surface fixed connection of installing support down, the other end extend towards the inner panel direction and offer the bolt hole that is used for the bolt to pass.

According to the technical scheme, the upper mounting support is in a hat shape, and bolt holes for bolts to penetrate through are formed in the upper end face of the upper mounting support.

Due to the adoption of the technical scheme, the utility model has the following technical progress.

The utility model discloses an offer U type recess in the inner panel structure, improve whole electrophoresis application exhaust effect, effectively avoid the car front anti-collision beam welding assembly later stage to rust; the inner plate structure and the outer plate structure can be produced in a large scale in a stamping mode, so that the production efficiency can be effectively improved; the utility model discloses the protruding round hole in accessible both ends adopts two guarantors to weld or weld through plane overlap joint resistance welding with vehicle body chassis, has extensive application scope.

Drawings

FIG. 1 is a schematic structural view of one side of the present invention;

FIG. 2 is a schematic view of the other side of the present invention;

fig. 3 is a side view of the present invention;

wherein: 1. the structure comprises an inner plate structure, 2, an outer plate structure, 21, an upper mounting bracket, 3, a convex circular hole, 4, a lap joint surface, 5, a lower mounting bracket, 6, a first cavity, 61, a U-shaped groove, 62, a first positioning hole, 63, a lightening hole, 7, a second cavity, 71, a second positioning hole, 72, an exhaust channel, 73 and an exhaust groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

An automobile front anti-collision beam welding assembly is shown in figures 1-3 and comprises an inner plate structure 1 and an outer plate structure 2 which are formed by stamping thin plates. The two ends of the inner plate structure 1 and the outer plate structure 2 are respectively provided with a convex round hole 3 and a lap joint surface 4 which are used for lapping the front anti-collision beam and the vehicle body together; a lower mounting bracket 5 is arranged below the lapping surface 4 and used for mounting a front bumper, the lower mounting bracket 5 is L-shaped, one end of the lower mounting bracket 5 is fixedly connected with the lapping surface 4, and the other end of the lower mounting bracket extends towards the direction of the inner plate and is provided with a bolt hole for a bolt to pass through and is used for being connected with the front bumper; the convex round hole 3 is arranged in the center of the lapping surface 4, the convex round hole 3 and the lapping surface 4 of the inner plate structure 1 are the same as the convex round hole 3 and the lapping surface 4 of the outer plate structure 2, and are buckled and lapped together after being punched.

A first cavity 6 is arranged between the two lapping surfaces 4 of the inner plate structure 1, the first cavity 6 is in a shallow concave shape, and a plurality of U-shaped grooves 61 are formed in the upper edge and the lower edge of the first cavity 6; the gas generated in the coating electrophoresis process is conveniently discharged, the internal electrophoresis of the product is ensured to be sufficient, and the problem that the later period is easy to rust due to the fact that the electrophoresis is not in place is avoided; and also contributes to the rigidity of the part. First positioning holes 62 are formed at two ends of the first cavity 6 and used for aligning the position before welding so as to improve the welding precision. Three lightening holes 63 are uniformly formed in the middle of the first cavity 6, so that the overall weight of the part is reduced, and the cost is reduced.

A second cavity 7 is formed between the two overlapping surfaces 4 of the outer plate structure 2, the second cavity 7 is of a deep groove type, the left top end and the right top end of the second cavity 7 are respectively communicated with an exhaust channel 72, the other end of the exhaust channel 72 is communicated with a convex circular hole 3, and the upper part and the lower part of the convex circular hole 3 are respectively communicated with an exhaust groove 73 which is vertically arranged; when carrying out the punching press installation, the gas outgoing of being convenient for makes the inside electrophoresis of product spare abundant, avoids taking place the incomplete later stage problem of rustting that leads to of electrophoresis. Two ends of the second cavity 7 are respectively provided with a second positioning hole 71 for alignment during welding, so that the welding precision is improved; an upper mounting bracket 21 is arranged in the middle of the second cavity 7, the upper mounting bracket 21 is hat-shaped, and a bolt hole for a bolt to pass through is formed in the upper end face of the upper mounting bracket 21 and used for being connected with a front bumper.

The edges of the first cavity 6 and the second cavity 7 adopt R angles to play a role of reinforcing ribs and increase the rigidity of the whole structure.

The utility model discloses the protruding round hole of accessible both ends 3 adopts two guarantors to weld or weld through plane overlap joint resistance welding with vehicle body chassis, can improve the commonality of part.

The utility model discloses well inner panel structure 1 has seted up U type recess 61, and outer panel structure 2 has seted up exhaust passage 72 intercommunication and has had air discharge duct 73 to improve whole electrophoresis application exhaust effect, effectively avoid the electrophoresis incomplete, avoid the easy rusty problem in car front anti-collision beam welding assembly later stage to appear. The inner plate structure 1 and the outer plate structure 2 are respectively provided with a first positioning hole 62 and a second positioning hole 71 for improving welding precision and ensuring high yield of the finished product. The inner plate structure 1 and the outer plate structure 2 can be produced in a large scale and high efficiency by adopting a stamping mode. The utility model discloses protruding round hole 3 in accessible both ends adopts two guarantors to weld or weld through plane overlap joint resistance welding with vehicle body chassis, has extensive application scope.

Claims

1. The utility model provides an anticollision roof beam welding assembly before car which characterized in that: the automobile bumper comprises an inner plate structure (1) and an outer plate structure (2) which are formed by stamping thin plates and buckled together, wherein both ends of the inner plate structure (1) and the outer plate structure (2) are provided with a convex round hole (3) and a lapping surface (4) which are used for lapping an automobile body, and a lower mounting bracket (5) used for mounting a front bumper is arranged below the lapping surface (4); a first cavity (6) of a shallow concave type is arranged between two overlapping surfaces (4) of the inner plate structure (1), a plurality of U-shaped grooves (61) used for exhausting gas are formed in the upper edge and the lower edge of the first cavity (6), first positioning holes (62) used for improving welding precision are formed in the two ends of the first cavity (6), and three lightening holes (63) used for lightening the whole weight are uniformly formed in the middle of the first cavity (6); for second cavity (7) of dark recess type between two faying face (4) of planking structure (2), the top communicates respectively has exhaust passage (72) about second cavity (7), and exhaust passage (72) other end intercommunication protruding round hole (3), and the upper and lower intercommunication respectively of protruding round hole (3) has exhaust duct (73) of vertical setting, the both ends of second cavity (7) are equipped with second locating hole (71) that are used for improving welding precision respectively, and the middle part is equipped with last installing support (21) that are used for installing front bumper.

2. The automobile front anti-collision beam welding assembly according to claim 1, characterized in that: the convex round hole (3) and the overlapping surface (4) of the inner plate structure (1) are the same as the convex round hole (3) and the overlapping surface (4) of the outer plate structure (2), and are mutually buckled and overlapped together.

3. The automobile front anti-collision beam welding assembly according to claim 2, characterized in that: the convex round hole (3) is arranged in the center of the overlapping surface (4).

4. The automobile front anti-collision beam welding assembly according to claim 1, characterized in that: lower installing support (5) are the L type, and the one end and faying surface (4) fixed connection of lower installing support (5), the other end extends towards the inner panel direction and offers the bolt hole that is used for the bolt to pass.

5. The automobile front anti-collision beam welding assembly according to claim 1, characterized in that: the upper mounting bracket (21) is in a hat shape, and the upper end face of the upper mounting bracket is provided with a bolt hole for a bolt to pass through.