CN216833534U

CN216833534U - Efficient energy-absorbing bumper

Info

Publication number: CN216833534U
Application number: CN202122742046.9U
Authority: CN
Inventors: 陈美珍
Original assignee: Changzhou Hangpu Vehicle Parts Co ltd
Current assignee: Changzhou Hangpu Vehicle Parts Co ltd
Priority date: 2021-11-10
Filing date: 2021-11-10
Publication date: 2022-06-28
Anticipated expiration: 2031-11-10

Abstract

The utility model discloses a high-efficiency energy-absorbing bumper which comprises mounting cover bodies, a metal anti-collision plate, a front baffle and a mounting cross arm, wherein the mounting cover bodies are mounted on two sides of the mounting cross arm, the metal anti-collision plate is mounted between the mounting cover bodies below the mounting cross arm, anti-collision dampers are uniformly distributed between the metal anti-collision plate and the mounting cross arm, the front baffle is mounted between the mounting cover bodies below the metal anti-collision plate, a rubber buffer base plate is arranged between the front baffle and the metal anti-collision plate, and a metal protective guard is mounted at the bottom of the mounting cover bodies. The energy absorption effect and the safety coefficient of the bumper are increased to the maximum extent through the metal anti-collision plate and the mounting cross arm and the anti-collision damper, so that the bumper is firmer and firmer when dealing with external impact force, and the buffer effect of the bumper when being impacted is further increased by matching with the anti-collision damper.

Description

Efficient energy-absorbing bumper

Technical Field

The utility model relates to the technical field of bumpers, in particular to a high-efficiency energy-absorbing bumper.

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 high-efficiency energy-absorbing bumper is obtained by retrieving patent CN204399070U, and comprises a bumper body and energy-absorbing boxes arranged on two sides of the bumper body; the crash box includes: the outer collapsing pipe is hollow; the collapse groove is arranged on the outer side of the outer collapse pipe and is perpendicular to the axis of the outer collapse pipe.

However, the existing bumper has the following problems:

(1) the existing bumper is used as an important component of traffic equipment, an operation object also plays a necessary safety role, the overall protective performance of the bumper is weak, and the overall energy absorption effect is low and the anti-collision performance of the bumper is reduced because the overall component structure is single and is basically made of plastic;

(2) the existing bumper is single in installation mode, basically mainly in clamping installation mode, the bumper is easy to fall off when being impacted or scraped due to the installation mode, the whole stable effect is obvious and unknown, and the whole practical performance is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-efficiency energy-absorbing bumper, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a high-efficient energy-absorbing bumper, is including the installation cover body, metal crash bar, preceding baffle and installation cross arm, the installation cover body is all installed to the both sides of installation cross arm, install metal crash bar between the installation cover body of installation cross arm below, evenly distributed has the anticollision attenuator between metal crash bar and the installation cross arm, install preceding baffle between the installation cover body of metal crash bar below, and be equipped with rubber buffer backing plate between preceding baffle and the metal crash bar, the metal rail guard is installed to the bottom of the installation cover body, chucking part is installed at the inboard top of the installation cover body, the top in the installation cover body outside is equipped with the mounting groove, install the second location spiral shell spare that runs through the installation cover body in the mounting groove, and second location spiral shell spare tip extends to chucking part inboard.

Preferably, the installation cover body and the metal guard rail are installed in a butt joint mode through a connection insertion block, and a first positioning screw piece matched with the connection insertion block for use is installed on the inner side of the installation cover body.

Preferably, three sets of air inlet windows matched for use are arranged on the front baffle, and a reflecting lamp strip is installed at the bottom of the front face of the installation cover body.

Preferably, the inner side of the mounting cover body is provided with a guide groove, and the guide groove is in sliding connection with the metal anti-collision plate through a guide block.

Preferably, the mounting cross arm and the mounting cover body are fixedly mounted through fastening bolts, and vent holes are uniformly distributed in the mounting cross arm.

Preferably, a sealing member matched with the installation groove is butted on the installation groove.

Compared with the prior art, the utility model has the beneficial effects that: this high-efficient energy-absorbing bumper is rational in infrastructure, has following advantage:

(1) the metal anti-collision plate and the mounting cross arm are made of metal materials, so that the overall strength and texture of the bumper are effectively increased, the energy absorption effect and the bumper coefficient of the bumper are increased to the maximum extent, the bumper is firmer and firmer when dealing with external impact force, the buffer effect of the bumper when the bumper is subjected to impact force is further increased by matching with the anti-collision damper, the damage of the impact force to the interior of the bumper is reduced to the maximum extent, and the practical performance of the bumper is improved;

(2) the bumper can better cope with slight impact in daily life through the matching of the front baffle and the metal anti-collision plate 3 through the rubber buffer cushion plate, the effect of the bumper is that the impact strength is buffered and smoothed, and meanwhile, the rubber buffer cushion plate is positioned between the front baffle and the metal anti-collision plate 3, the condition that the front baffle is damaged due to extrusion can be reduced, and the bumper can be conveniently repaired by a later maintenance worker;

(3) Through the installation cover body through the cooperation between chucking part and the second location spiral shell piece, both guaranteed the daily joint installation of bumper fixed, realized again that the locking between bumper and the installed part is fixed, the condition that external personnel dismantled at will has both been avoided to its effect, when the bumper received striking and scraping simultaneously, the condition that can effectual reduction bumper drop has improved the practical function of bumper.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a first partial structural schematic diagram of the present invention;

fig. 4 is a second partial structural diagram of the present invention.

In the figure: 1. installing a cover body; 101. connecting the plug blocks; 102. a first positioning screw; 103. a guide block; 104. a guide groove; 105. a light reflecting strip; 106. a seal member; 107. mounting grooves; 2. a rubber cushion plate; 3. a metal bumper plate; 4. a front baffle; 401. an air inlet window; 5. a metal guard rail; 6. a crash-proof damper; 7. installing a cross arm; 701. a vent; 8. a chucking member; 9. a second positioning screw.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, an embodiment of the present invention is shown: a high-efficiency energy-absorbing bumper comprises an installation cover body 1, a metal anti-collision plate 3, a front baffle 4 and an installation cross arm 7;

specifically, the bottom of the installation cover body 1 is provided with the metal guard rail 5, the installation cover body 1 and the metal guard rail 5 are installed in a butt joint mode through the connection insert block 101, the inner side of the installation cover body 1 is provided with the first positioning screw piece 102 matched with the connection insert block 101 for use, when a worker overhauls and installs a bumper, the worker can install and fix the connection insert block 101 through the first positioning screw piece 102, the worker can directly install and dismantle the bumper, the top of the inner side of the installation cover body 1 is provided with the clamping part 8, the top of the outer side of the installation cover body 1 is provided with the installation groove 107, the installation groove 107 is butt-jointed with the sealing part 106 matched for use, the smoothness of the surface of the installation cover body 1 is ensured, the installation groove 107 is internally provided with the second positioning screw piece 9 penetrating through the installation cover body 1, and the end part of the second positioning screw piece 9 extends to the inner side of the clamping part 8, the mounting cover body 1 not only ensures the daily clamping mounting and fixing of the bumper, but also realizes the locking and fixing between the bumper and the mounting piece through the matching between the clamping component 8 and the second positioning screw piece 9, the effect of the mounting cover body not only avoids the situation that external personnel randomly detach the bumper, but also can effectively reduce the situation that the bumper falls off when the bumper is impacted and scraped, and the practical effect of the bumper is improved;

Specifically, the mounting cover bodies 1 are mounted on both sides of the mounting cross arm 7, the mounting cross arm 7 and the mounting cover bodies 1 are mounted and fixed through fastening bolts, vent holes 701 are uniformly distributed on the mounting cross arm 7 to ensure the circulation effect of air flows inside and outside the bumper, a metal bumper plate 3 is mounted between the mounting cover bodies 1 below the mounting cross arm 7, a guide groove 104 is arranged on the inner side of the mounting cover body 1, the guide groove 104 is slidably connected with the metal bumper plate 3 through a guide block 103, when the bumper is impacted by the outside, the external impact force can be pressed from outside to inside, in order to ensure the normal and efficient operation of the anti-collision damper 6, the buffer distance of the metal bumper plate 3 needs to be reserved to realize the buffer operation of the anti-collision damper 6, the anti-collision dampers 6 are uniformly distributed between the metal bumper plate 3 and the mounting cross arm 7, and the anti-collision damper 6 has the same principle as the buffer damper principle, the bumper has the buffering effect, the metal anti-collision plate 3 and the mounting cross arm 7 enable the bumper to realize the high-efficiency energy absorption effect through the anti-collision damper 6, the metal anti-collision plate 3 and the mounting cross arm 7 are made of metal materials, the integral strength and texture of the bumper are effectively increased, the energy absorption effect and the safety coefficient of the bumper are increased to the maximum extent, the bumper is firmer and firmer when responding to the external impact force, the buffering effect of the bumper when the bumper is subjected to the impact force is further increased by matching with the anti-collision damper 6, the damage of the impact force to the interior of the bumper is greatly reduced, the practical performance of the bumper is improved, the front baffle 4 is arranged between the mounting cover bodies 1 below the metal anti-collision plate 3, the rubber buffering cushion plate 2 is arranged between the front baffle 4 and the metal anti-collision plate 3, three groups of air inlet windows 401 which are matched for use are arranged on the front baffle 4, air inlet window 401 has guaranteed that the bumper is by outer and interior air current surge, reflection of light lamp area 105 is installed to the positive bottom of the installation cover body 1, reflection of light lamp area 105 makes the bumper go on letting light the signal under night or the dim circumstances of light, the cooperation that preceding baffle 4 and metal crash pad 3 pass through rubber buffer backing plate 2 makes the reply light offend that receives in the daily life that the bumper can be better, its effect cushions peacefully when buffering impact strength degree, be located between preceding baffle 4 and the metal crash pad 3 again because of rubber buffer backing plate 2, can reduce preceding baffle 4 and receive the damaged circumstances of extrusion appearance, the repair work of the later maintenance personnel to the bumper of being convenient for.

The working principle is as follows: during use, the clamping component 8 on the mounting cover body 1 is clamped and fixed with a mounting position on traffic equipment, then the clamped component is locked through the second positioning screw 9, the sealing element 106 is covered, during operation, the metal protective guard 5 is used for protecting external first impact, after the metal protective guard 5 is pressed to the front baffle 4, the rubber buffer backing plate 2 and the metal anti-collision plate 3 are used for second buffer blocking, if the impact force is too large, the metal anti-collision plate 3 can be pressed to the rear side, at the moment, the metal anti-collision plate 3 is pressed backwards along the guide groove 104 through the guide block 103, and finally the cross arm 7 is mounted and used for third energy absorption buffering on the pressing force generated by the metal anti-collision plate 3 through the anti-collision damper 6.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a high-efficient energy-absorbing bumper, includes the installation cover body (1), metal anticollision board (3), preceding baffle (4) and installation cross arm (7), its characterized in that: the anti-collision device is characterized in that mounting cover bodies (1) are mounted on two sides of the mounting cross arm (7), a metal anti-collision plate (3) is mounted between the mounting cover bodies (1) below the mounting cross arm (7), anti-collision dampers (6) are uniformly distributed between the metal anti-collision plate (3) and the mounting cross arm (7), a front baffle (4) is mounted between the mounting cover bodies (1) below the metal anti-collision plate (3), a rubber buffer backing plate (2) is arranged between the front baffle (4) and the metal anti-collision plate (3), a metal protective guard (5) is mounted at the bottom of the mounting cover body (1), a clamping part (8) is mounted at the top of the inner side of the mounting cover body (1), a mounting groove (107) is arranged at the top of the outer side of the mounting cover body (1), and a second positioning screw part (9) penetrating through the mounting cover body (1) is mounted in the mounting groove (107), and the end of the second positioning screw (9) extends to the inner side of the clamping part (8).

2. A highly efficient energy absorbing bumper according to claim 1 wherein: the installation cover body (1) and the metal guard rail (5) are installed in a butt joint mode through the connection insertion block (101), and the first positioning screw piece (102) matched with the connection insertion block (101) in use is installed on the inner side of the installation cover body (1).

3. A highly efficient energy absorbing bumper according to claim 1 wherein: be equipped with air inlet window (401) that three groups of cooperations were used on preceding baffle (4), reflecting light area (105) are installed to the positive bottom of installation cover body (1).

4. A highly efficient energy absorbing bumper according to claim 1 wherein: the inner side of the mounting cover body (1) is provided with a guide groove (104), and the guide groove (104) is in sliding connection with the metal anti-collision plate (3) through a guide block (103).

5. A highly efficient energy absorbing bumper according to claim 1 wherein: the mounting cross arm (7) and the mounting cover body (1) are fixedly mounted through fastening bolts, and vent holes (701) are uniformly distributed in the mounting cross arm (7).

6. A highly efficient energy absorbing bumper according to claim 1 wherein: and a sealing element (106) matched with the installation groove (107) is butted.