CN214001568U

CN214001568U - Automobile bumper beam

Info

Publication number: CN214001568U
Application number: CN202022897751.1U
Authority: CN
Inventors: 蒋亚青
Original assignee: Changzhou Tiantian Automobile Industry Co ltd
Current assignee: Changzhou Tiantian Automobile Industry Co ltd
Priority date: 2020-12-07
Filing date: 2020-12-07
Publication date: 2021-08-20
Anticipated expiration: 2030-12-07

Abstract

The utility model relates to a bumper beam technical field, in particular to an automobile bumper beam, which solves the defects existing in the prior art and comprises a beam body and a column mounting seat, wherein one side of the beam body is fixedly provided with symmetrically arranged connecting seats, one side of the connecting seats is provided with a concave part, one side of the connecting seats is welded with a supporting seat, one side of the supporting seat is movably connected with a rotating seat through a pin shaft, the inside of the rotating seat is respectively provided with a first connecting rod and a second connecting rod in a sliding way, the end part of the first connecting rod is movably hinged with the beam body, the other end of the second connecting rod is provided with a steel ball, and through the arrangement of the connecting seats, a spring, a rotating seat, the first connecting rod and the second connecting rod, after the bumper is impacted, the beam can secondarily cushion the impulsive force through the rotation of the first connecting rod, the rotating seat and the second connecting rod, the overall buffer performance of the bumper is enhanced, and the driving safety is improved.

Description

Automobile bumper beam

Technical Field

The utility model relates to a bumper crossbeam technical field especially relates to an automobile bumper crossbeam.

Background

The automobile bumper is a safety device for absorbing and relieving external impact force and protecting the front part and the rear part of an automobile body. The front and rear bumpers of the automobile are stamped into channel steel by steel plates and riveted or welded with the frame longitudinal beam for many years, and a large gap is reserved between the channel steel and the automobile body, so that the front and rear bumpers of the automobile are quite unattractive. With the development of the automobile industry and the extensive use of engineering plastics in the automobile industry, automobile bumpers have also been revolutionized as an important safety device. The front and rear bumpers of the sedan car of today are required to be harmonious and unified with the shape of the car body and to be light in weight in itself, besides maintaining the original protection function. The front and rear bumpers of a car are all made of plastic and are called plastic bumpers. The plastic bumper of a common automobile consists of three parts, namely an outer plate, a buffer material and a cross beam. Wherein the outer plate and the buffer material are made of plastics, and the cross beam is punched into a U-shaped groove by a cold-rolled sheet; the outer plates and the cushioning material are attached to the cross member.

The automobile bumper beam in the prior art has the following defects: firstly, the bumper all adopts the outer of outside to do and cushioning material slows down the impulsive force, does not possess the performance of buffering, secondly causes the injury to the automobile longitudinal beam easily behind the crossbeam atress for the longeron deformation is great to the harm of car.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a beam of a bumper.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an automobile bumper crossbeam, includes crossbeam body and column mouting seat, the fixed connecting seat that is provided with symmetrical arrangement in one side of crossbeam body, one side of connecting seat is equipped with the depressed part, and one side welding of connecting seat has a supporting seat, one side of supporting seat has the rotation seat through round pin axle swing joint, the inside of rotating the seat slides respectively and is provided with first connecting rod and second connecting rod, the tip of first connecting rod with crossbeam body activity hinge joint, the steel ball has been installed to the other end of second connecting rod, and the steel ball slides and sets up on the depressed part.

Preferably, the inner wall of the concave part is provided with an arc-shaped groove, and the steel ball is connected with the arc-shaped groove in a sliding manner.

Preferably, the beam body and the connecting seat are of an integrally formed structure.

Preferably, a first telescopic groove and a second telescopic groove are formed in the rotating seat respectively, and the first connecting rod and the second connecting rod are connected with the first telescopic groove and the second telescopic groove in a sliding mode respectively.

Preferably, the top of the upright post mounting seat is provided with a groove, one side of the connecting seat is fixed with an upright post split body through a screw, the bottom of the upright post split body is provided with a positioning block of an integrally formed structure, the bottom of the upright post mounting seat is provided with a mounting plate of the integrally formed structure, and the mounting plate is internally provided with symmetrically arranged mounting holes.

Preferably, the two sides of the split body of the upright post are respectively provided with a first reinforcing rib and a second reinforcing rib which are of an integrally formed structure, and the first reinforcing rib and the second reinforcing rib are fixedly connected with the connecting seat.

Preferably, one side of the rotating seat is fixedly connected with a spring through a buckle, and the other end of the spring is fixedly connected with one side of the connecting seat.

The utility model has the advantages that:

1. the utility model discloses in through connecting seat, spring, the setting of rotating seat, first connecting rod and second connecting rod isotructure, receive the striking back at the bumper, the first connecting rod of crossbeam accessible, the rotation of rotating seat and second connecting rod carry out the secondary buffering with the impulsive force, have strengthened the holistic shock-absorbing capacity of bumper, have improved driving safety.

2. The utility model discloses in through the setting of stand components of a whole that can function independently, column mouting seat and column mounting board isotructure, will be used for the stand design components of a whole that can function independently of being connected with the longeron, the joint strength between stand components of a whole that can function independently and the column mouting seat is little, and the joint strength at stand both ends is big, but the crossbeam receives the junction in the middle of the post after the striking to break off, has avoided the deformation damage that arouses the automobile longitudinal beam, has reduced the injury to the car.

Drawings

Fig. 1 is a schematic structural view of a bumper beam of the present invention;

fig. 2 is the utility model provides a reference numeral A department enlarger of car bumper crossbeam.

In the figure: the structure comprises a beam body 1, a connecting seat 2, a supporting seat 3, a rotating seat 4, a first connecting rod 5, a second connecting rod 6, a concave part 7, a steel ball 8, an arc-shaped groove 9, a spring 10, a stand column split body 11, a stand column mounting seat 12, a mounting hole 13, a mounting plate 14, a groove 15, a positioning block 16, a first reinforcing rib 17 and a second reinforcing rib 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, an automobile bumper beam comprises a beam body 1 and a column mounting seat 12, wherein connecting seats 2 are fixedly arranged on one side of the beam body 1, the connecting seats are symmetrically arranged, a concave portion 7 is arranged on one side of each connecting seat 2, a supporting seat 3 is welded on one side of each connecting seat 2, one side of each supporting seat 3 is movably connected with a rotating seat 4 through a pin shaft, a first connecting rod 5 and a second connecting rod 6 are respectively arranged in each rotating seat 4 in a sliding mode, the end portion of each first connecting rod 5 is movably hinged to the beam body 1, a steel ball 8 is arranged at the other end of each second connecting rod 6, and the steel ball 8 is arranged on the concave portion 7 in a sliding mode.

Wherein, through connecting seat 2, spring 10, rotate seat 4, the setting of structures such as first connecting rod 5 and second connecting rod 6, receive the striking back at the bumper, crossbeam accessible first connecting rod 5, rotate seat 4 and second connecting rod 6's rotation and carry out the secondary buffering with the impulsive force, the holistic shock-absorbing capacity of bumper has been strengthened, driving safety has been improved, through the setting of structures such as stand components of a whole that can function independently 11, stand mount pad 12 and stand mounting panel 14, the stand design components formula that will be used for being connected with the longeron, joint strength between stand components of a whole that can function independently 11 and the stand mount pad 12 is little, the joint strength at stand both ends is big, the junction in the middle of the stand can be disconnected after the crossbeam receives the striking, avoided causing the deformation damage of automobile longitudinal beam, the injury to the car has been reduced.

The inner wall of the concave part 7 is provided with an arc-shaped groove 9, the steel ball 8 is connected with the arc-shaped groove 9 in a sliding way, the beam body 1 and the connecting seat 2 are in an integrated structure, the inside of the rotating seat 4 is respectively provided with a first telescopic groove and a second telescopic groove, the first connecting rod 5 and the second connecting rod 6 are respectively connected with the first telescopic groove and the second telescopic groove in a sliding way, the top of the upright post mounting seat 12 is provided with a groove 15, one side of the connecting seat 2 is fixed with an upright post split body 11 through screws, the bottom of the upright post split body 11 is provided with a positioning block 16 of the integrated structure, the bottom of the upright post mounting seat 12 is provided with a mounting plate 14 of the integrated structure, the inside of the mounting plate 14 is provided with symmetrically arranged mounting holes 13, the two sides of the upright post split body 11 are respectively provided with a first reinforcing rib 17 and a second reinforcing rib 18 of the integrated structure, the first reinforcing rib 17 and the second reinforcing rib 18 are both fixedly connected with the connecting seat 2, one side of the rotating seat 4 is fixedly connected with a spring 10 through a buckle, and the other end of the spring 10 is fixedly connected with one side of the connecting seat 2.

In the embodiment, during installation, the bumper beam is fixedly connected with the automobile longitudinal beam through the mounting plate 14, then the upright post split body 11 is fixedly connected with the upright post mounting seat 12 through the positioning block 16, and an outer plate and a buffer material are installed on the outer side of the beam body 1;

furthermore, when the automobile frame is used, after the front side is impacted, the impact force is firstly buffered by the outer plate and the buffer material, when the impact force extends to the beam body 1, the first connecting rod 5, the rotating seat 4 and the second connecting rod 6 are pushed to rotate, the other end of the second connecting rod 6 slides on the concave part 7 on one side of the connecting seat 2, the impact force can be reduced through the matching of the damping structure and the spring 10, and the impact force is buffered for the second time.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an automobile bumper crossbeam, includes crossbeam body (1) and column mouting seat (12), its characterized in that, the fixed connecting seat (2) that are provided with symmetrical arrangement in one side of crossbeam body (1), one side of connecting seat (2) is equipped with depressed part (7), and one side welding of connecting seat (2) has supporting seat (3), one side of supporting seat (3) has rotation seat (4) through round pin axle swing joint, the inside of rotating seat (4) slides respectively and is provided with first connecting rod (5) and second connecting rod (6), the tip of first connecting rod (5) with crossbeam body (1) activity hinge joint, steel ball (8) have been installed to the other end of second connecting rod (6), and steel ball (8) slide and set up on depressed part (7).

2. The automobile bumper beam according to claim 1, wherein an arc-shaped groove (9) is formed in the inner wall of the recess (7), and the steel balls (8) are slidably connected with the arc-shaped groove (9).

3. The vehicle bumper beam according to claim 1, wherein the beam body (1) and the connecting base (2) are of an integrally formed structure.

4. The automobile bumper beam according to claim 1, characterized in that a first telescopic slot and a second telescopic slot are respectively formed in the rotating seat (4), and the first connecting rod (5) and the second connecting rod (6) are respectively connected with the first telescopic slot and the second telescopic slot in a sliding manner.

5. The automobile bumper beam as claimed in claim 1, wherein a groove (15) is formed in the top of the pillar mounting seat (12), a pillar split body (11) is fixed to one side of the connecting seat (2) through a screw, a positioning block (16) of an integrally formed structure is arranged at the bottom of the pillar split body (11), a mounting plate (14) of an integrally formed structure is arranged at the bottom of the pillar mounting seat (12), and symmetrically arranged mounting holes (13) are formed in the mounting plate (14).

6. The automobile bumper beam as claimed in claim 5, wherein a first reinforcing rib (17) and a second reinforcing rib (18) which are integrally formed are respectively arranged on two sides of the upright post split body (11), and the first reinforcing rib (17) and the second reinforcing rib (18) are fixedly connected with the connecting seat (2).

7. The vehicle bumper crossbeam according to claim 1, characterised in that a spring (10) is fixedly connected to one side of the rotating seat (4) by means of a snap, and the other end of the spring (10) is fixedly connected to one side of the connecting seat (2).