CN210822130U

CN210822130U - Bumper with energy-absorbing and shock-absorbing functions

Info

Publication number: CN210822130U
Application number: CN201921670084.4U
Authority: CN
Inventors: 李宏亮; 潘红艳; 李万荣
Original assignee: Jiangsu Yujia Machinery Manufacturing Co ltd
Current assignee: Jiangsu Yujia Machinery Manufacturing Co ltd
Priority date: 2019-10-08
Filing date: 2019-10-08
Publication date: 2020-06-23
Anticipated expiration: 2029-10-08

Abstract

The utility model discloses a bumper with energy-absorbing shock-absorbing function, including the frame body, one side of frame body is equipped with outer bumper body and interior bumper body, one side of outer bumper body is equipped with protective housing, one side of protective housing is equipped with buffer, one side of frame body is fixed with two L type poles, two one side of L type pole is all contradicted and is had the second mounting panel, two the both ends of bumper body including the one end of second mounting panel is fixed respectively, the opposite side of L type pole is all contradicted and is had first mounting panel. The utility model discloses the impact force that produces when bumper striking carries out effectual buffering many times, the effectual impact force that has reduced vehicle and personnel and received has promoted the shock-absorbing capacity and the shock resistance of device, still conveniently absorbs more impact force, and the energy-absorbing is effectual, has promoted the barrier propterty of device to carry out effectual protection, safe in utilization to vehicle and personnel.

Description

Bumper with energy-absorbing and shock-absorbing functions

Technical Field

The utility model relates to a bumper technical field especially relates to a bumper with energy-absorbing shock-absorbing function.

Background

The automobile bumper is a safety device for absorbing and slowing down external impact force and protecting the front part and the rear part of an automobile body, the front bumper and the rear bumper of the automobile are stamped into channel steel by steel plates and riveted or welded with frame longitudinal beams for many years, a large gap is formed between the front bumper and the rear bumper and the automobile body, and the automobile bumper looks very unattractive. With the development of the automobile industry and the large application of engineering plastics in the automobile industry, an automobile bumper as an important safety device also moves to an innovative road, and the front and rear bumpers of the sedan car at present need to be harmonious and uniform with the shape of the car body and light in weight besides the original protection function. The front and rear bumpers of a car are made of plastic, which is called plastic bumper, and the plastic bumper of a common car consists of three parts, namely an outer plate, a buffer material and a cross beam.

The existing bumper is simple in anti-collision structure, mostly only has a primary collision shock absorption function, poor in energy absorption performance and single in function, cannot meet use requirements, is weak in impact resistance and poor in buffering effect when large collision occurs, cannot effectively protect vehicles and people in the vehicles, and has the problem of unsafe use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a bumper with energy absorption and shock absorption functions.

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

a bumper with energy-absorbing and shock-absorbing functions comprises a frame body, wherein an outer bumper body and an inner bumper body are arranged on one side of the frame body, a protective shell is arranged on one side of the outer bumper body, a buffer device is arranged on one side of the protective shell, two L-shaped rods are fixed on one side of the frame body, a second mounting plate is abutted to one side of each of the two L-shaped rods, one ends of the two second mounting plates are respectively fixed at two ends of the inner bumper body, a first mounting plate is abutted to the other side of each of the L-shaped rods, one ends of the two first mounting plates are fixed on one side of the second mounting plate, more than two first bolts penetrate through one side of the first mounting plate, more than two second bolts penetrate through one side of the second mounting plate, one ends of the first bolts and one ends of the second bolts extend into the L-shaped rods, the bumper comprises a frame body and is characterized in that more than two arc-shaped plates are fixed on one side of the frame body, one side of one arc-shaped plate abuts against one side of the inner bumper body, an elastic block is fixed on the other side of the inner bumper body, and one side of the elastic block abuts against the other side of the outer bumper body.

Preferably, buffer is including fixing two movable rods in protective housing one side, two the one end of movable rod all runs through one side of outer bumper body and extends to the opposite side of this outer bumper body, the cover is equipped with first spring on the movable rod, the one end of first spring is contradicted in protective housing one side, the other end of first spring is contradicted in one side of outer bumper body, the opposite side of interior bumper body is equipped with four spouts, four all install the slider in the spout, the upper end of slider is fixed with the connecting block, four the one end of connecting block all rotates and is connected with the connecting rod, and the one end of connecting rod with one side all rotates and connects the one end at the movable rod.

Preferably, two fixing plates are fixed to the other side of the outer bumper body, fixing rods are fixed to one sides of the two fixing plates, one ends of the two fixing rods penetrate through the other side of the inner bumper body and extend to one side of the inner bumper body, second magnets are fixed to one ends of the two fixing rods, and two first magnets corresponding to the second magnets are fixed to one side of the frame body.

Preferably, the opposite sides of the first and second magnets are both S-stage.

Preferably, the elastic block is made of ACF artificial cartilage foam.

Preferably, the arc-shaped plate is made of foamed aluminum.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through the matching of the first magnet, the second magnet, the buffer device and other components, the impact force generated by the impact is conveniently and effectively buffered for three times, the problems that the existing bumper is poor in buffering effect, weak in impact resistance and difficult to form effective protection and unsafe to use when large impact occurs are solved, the shock absorption performance and the impact resistance of the device are improved, vehicles and personnel are effectively protected, and the use is safe;

2. the outer bumper body, the inner bumper body, the elastic block, the arc-shaped plate and other components are matched, so that more impact force can be absorbed and buffered conveniently, the problems that the existing bumper is simple in anti-collision structure, has only a primary collision damping function, is poor in energy absorption performance and single in function and good in energy absorption effect are solved, and the protection performance of the device is effectively improved;

to sum up, the utility model discloses but the impact force that produces when the bumper striking carries out effectual buffering many times, the effectual impact force that has reduced vehicle and personnel and received has promoted the shock attenuation performance and the shock resistance of device, still conveniently absorbs more impact force, and the energy-absorbing is effectual, has promoted the barrier propterty of device to carry out effectual protection, safe in utilization to vehicle and personnel.

Drawings

Fig. 1 is a schematic view of an internal structure of a bumper with energy-absorbing and shock-absorbing functions according to the present invention;

FIG. 2 is an enlarged view of the structure at the position A of the bumper with energy-absorbing and shock-absorbing functions provided by the present invention;

FIG. 3 is an enlarged view of a structure at the position B of a bumper with energy-absorbing and shock-absorbing functions according to the present invention;

in the figure: 1 frame body, 2 outer bumper bodies, 3L type pole, 4 first mounting panels, 5 second mounting panels, 6 dead levers, 7 fixed plates, 8 travel bars, 9 elastic blocks, 10 protective housing, 11 first springs, 12 connecting rods, 13 second springs, 14 inner bumper bodies, 15 arc-shaped plates, 16 first magnets, 17 second magnets, 18 sliders and 19 connecting blocks.

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. 1-3, a bumper with energy absorption and shock absorption functions comprises a frame body 1, the frame body 1 facilitates installation of a device, an outer bumper body 2 and an inner bumper body 14 are arranged on one side of the frame body 1, multiple buffer spaces can be provided for the device through the outer bumper body 2 and the inner bumper body 14, and the protection performance of the device is improved.

The utility model discloses in, one side of outer bumper body 2 is equipped with protecting sheathing 10, and when taking place the striking, protecting sheathing 10 can play the protection and bear the effect of striking, and one side of protecting sheathing 10 is equipped with buffer, can carry out effectual buffering many times to the impact force that produces when striking through damping device, the effectual impact force that reduces vehicle and personnel and receive, and one side of frame body 1 is fixed with two L type poles 3, the installation of convenient device.

The utility model discloses in, two L type poles 3's one side has all been contradicted and has been had second mounting panel 5, and bumper body 14's both ends including two second mounting panels 5's one end is fixed respectively, and L type pole 3's opposite side has all contradicted first mounting panel 4, and two first mounting panel 4's one end is all fixed in one side of second mounting panel 5, fixes interior bumper body 14 on two L type poles 3 through first mounting panel 4 and second mounting panel 5 convenience.

The utility model discloses in, one side of first mounting panel 4 is run through and is equipped with the first bolt more than two, and one side of second mounting panel 5 is run through and is equipped with the second bolt more than two, and the one end of first bolt and second bolt all extends to in L type pole 3, can firmly fix first mounting panel 4 and L type pole 3 through first bolt, can firmly fix second mounting panel 5 and L type pole 3 through the second bolt.

The utility model discloses in, one side of frame body 1 is fixed with arc 15 more than two, one side of bumper body 14 including one of them arc 15 is contradicted, arc 15 adopts foamed aluminum to make, foamed aluminum is a light material, its bending resistance is 1.5 times than rigidity for the steel, damping performance is 5-10 times of metallic aluminum, can absorb more energy, corrosion resistance, the weatherability is good, still facilitate the processing, through the required shape of mould pressing flexible one-tenth, can absorb and cushion impact force through arc 15, the energy-absorbing effect of device has been promoted.

The utility model discloses in, the opposite side of interior bumper body 14 is fixed with flexible piece 9, one side of flexible piece 9 is contradicted at the opposite side of outer bumper body 2, flexible piece 9 adopts the artifical cartilage foam of ACF to make, present softly under the artifical cartilage foam normal condition of ACF, comfortable characteristic, nevertheless can be because of the molecule flows the absorbed energy receiving strong impact force in the twinkling of an eye, turn into obscure heat energy with kinetic energy, thereby reach the effect of giving off the impact, its maximum characteristic is the impact force that can absorb more than 90%, have buffering shock attenuation energy-absorbing characteristics, furthest protects vehicle and human safety, can absorb and cushion a large amount of impact force through flexible piece 9 cooperation arc 15, the effectual barrier propterty that promotes the device.

The utility model discloses in, buffer is including fixing two movable rods 8 in protective housing 10 one side, one side of outer bumper body 2 and the opposite side that extends to this outer bumper body 2 are all run through to the one end of two movable rods 8, the cover is equipped with first spring 11 on the movable rod 8, the one end of first spring 11 is contradicted in protective housing 10 one side, the other end of first spring 11 is contradicted in one side of outer bumper body 2, can drive movable rod 8 and remove when protective housing 10 receives the striking, and protective housing 10 extrudes first spring 11, carry out first effectual buffering to the impulsive force through first spring 11.

The utility model discloses in, the opposite side of interior bumper body 14 is equipped with four spouts, all install slider 18 in four spouts, make things convenient for slider 18 to remove in the spout, slider 18's upper end is fixed with connecting block 19, four connecting block 19's one end is all rotated and is connected with connecting rod 12, the one end of connecting at carriage release lever 8 is all rotated with the one end of two connecting rod 12 of one side, can drive two connecting rod 12 when carriage release lever 8 removes and rotate, two connecting rod 12 remove and promote two connecting block 19 and remove, thereby connecting block 19 removes and drives slider 18 and remove and extrude second spring 13, carry out the effectual buffering of second time to the impulsive force through second spring 13.

The utility model discloses in, the opposite side of outer bumper body 2 is fixed with two fixed plates 7, one side of two fixed plates 7 all is fixed with dead lever 6, the area of contact of the multiplicable dead lever 6 of fixed plate 7 and outer bumper body 2 to under certain impact force, great area of contact reduces the pressure between dead lever 6 and the outer bumper body 2, the effectual dead lever 6 that has reduced is at the impact force and the probability that outer bumper body 2 pierces through under the effect, the intensity of device has been promoted.

The utility model discloses in, the one end of two dead levers 6 all runs through interior bumper body 14's opposite side and extends to this interior bumper body 14's one side, and the one end of two dead levers 6 all is fixed with second magnet 17, moves when outer bumper body 2 and drives fixed plate 7 and remove, and fixed plate 7 removes and drives dead lever 6 and remove, and then dead lever 6 removes and drives second magnet 17 and remove.

The utility model discloses in, one side of frame body 1 is fixed with two first magnets 16 that correspond with second magnet 17, and one side that first magnet 16 and second magnet 17 are relative is S level, and second magnet 17 removes and makes its and first magnet 16, carries out the effectual buffering of third time to the impulsive force under the effect that first magnet 16 and second magnet 17 homopolar repel each other.

In the utility model, when the protective shell 10 is impacted, the protective shell 10 moves to drive the moving rod 8 to move, and the protective shell 10 extrudes the first spring 11, the impact force is effectively buffered for the first time by the first spring 11, when the moving rod 8 moves, the two connecting rods 12 are driven to move and rotate, the two connecting rods 12 move and push the two connecting blocks 19 to move, so that the connecting blocks 19 move to drive the sliding blocks 18 to move and extrude the second spring 13, the impact force is effectively buffered for the second time by the second spring 13, and after the protective shell 10 moves to a certain position, the protective shell 10 extrudes the outer bumper body 2 to move, so that the outer bumper body 2 moves to drive the fixed plate 7 to move, the fixed plate 7 moves to drive the fixed rod 6 to move, and then the fixed rod 6 moves to drive the second magnet 17 to move, the second magnet 17 moves to make it and the first magnet 16, carry out the effectual buffering of third time to impact force under the effect that first magnet 16 and second magnet 17 homopolar repulsion, can carry out effectual absorption and buffering to more impact force through elastic block 9 and arc 15, further promotion the energy-absorbing effect of device, promoted the barrier propterty of device, carry out effectual protection, safe in utilization to vehicle and personnel.

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 a bumper with energy-absorbing shock-absorbing function, includes frame body (1), its characterized in that: one side of the frame body (1) is provided with an outer bumper body (2) and an inner bumper body (14), one side of the outer bumper body (2) is provided with a protective shell (10), one side of the protective shell (10) is provided with a buffer device, one side of the frame body (1) is fixed with two L-shaped rods (3), one side of the two L-shaped rods (3) is respectively butted with a second mounting plate (5), one end of the two second mounting plates (5) is respectively fixed at two ends of the inner bumper body (14), the other side of the L-shaped rods (3) is respectively butted with a first mounting plate (4), one end of the two first mounting plates (4) is respectively fixed at one side of the second mounting plate (5), one side of the first mounting plate (4) is provided with more than two first bolts in a penetrating manner, one side of the second mounting plate (5) is provided with more than two second bolts in a penetrating manner, the one end of first bolt and second bolt all extends to in L type pole (3), one side of frame body (1) is fixed with arc (15) more than two, and one side of bumper body (14) is contradicted including one of them arc (15), the opposite side of interior bumper body (14) is fixed with elastic block (9), the opposite side of bumper body (2) outside is contradicted to one side of elastic block (9).

2. The bumper with the energy absorbing and shock absorbing functions as recited in claim 1, wherein: the buffer device comprises two moving rods (8) fixed on one side of the protective shell (10), one ends of the two moving rods (8) penetrate through one side of the outer bumper body (2) and extend to the other side of the outer bumper body (2), a first spring (11) is sleeved on the movable rod (8), one end of the first spring (11) is abutted against one side of the protective shell (10), the other end of the first spring (11) is propped against one side of the outer bumper body (2), the other side of the inner bumper body (14) is provided with four sliding grooves, sliding blocks (18) are arranged in the four sliding grooves, the upper end of slider (18) is fixed with connecting block (19), four the one end of connecting block (19) all rotates and is connected with connecting rod (12), and the one end of two connecting rods (12) with one side all rotates and connects the one end at carriage release lever (8).

3. The bumper with the energy absorbing and shock absorbing functions as recited in claim 1, wherein: the opposite side of outer bumper body (2) is fixed with two fixed plates (7), two one side of fixed plate (7) all is fixed with dead lever (6), two the opposite side of interior bumper body (14) is all run through and extends to one side of this interior bumper body (14) to the one end of dead lever (6) all is fixed with second magnet (17), one side of frame body (1) is fixed with two and first magnet (16) that second magnet (17) correspond.

4. The bumper with the energy absorbing and shock absorbing functions as recited in claim 3, wherein: the opposite sides of the first magnet (16) and the second magnet (17) are S-grade.

5. The bumper with the energy absorbing and shock absorbing functions as recited in claim 1, wherein: the elastic block (9) is made of ACF artificial cartilage foam.

6. The bumper with the energy absorbing and shock absorbing functions as recited in claim 1, wherein: the arc-shaped plate (15) is made of foamed aluminum.