CN211032474U

CN211032474U - Automobile bumper with energy absorption structure

Info

Publication number: CN211032474U
Application number: CN201922095299.4U
Authority: CN
Inventors: 陈民强
Original assignee: Jiangsu Ruixin Auto Parts Co ltd
Current assignee: Jiangsu Ruixin Auto Parts Co ltd
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-07-17
Anticipated expiration: 2029-11-29

Abstract

The utility model belongs to the technical field of automobile bumpers, and discloses an automobile bumper with an energy-absorbing structure, which comprises a bottom plate, wherein the upper surface wall of the bottom plate is symmetrically connected with hollow columns, the inner bottom ends of the hollow columns are connected with elastic columns, the outer sleeves of the elastic columns are sleeved with second buffer springs, the top ends of the elastic columns are connected with second fixed blocks, the top ends of the second fixed blocks are connected with pressure rods, the lower ends of the outer surfaces of the pressure rods are symmetrically connected with guide blocks, the utility model can perform first energy absorption and buffering when an automobile is collided through the foam energy-absorbing blocks, can avoid the fracture of a bumper shell and the bottom plate due to collision contact, and then perform secondary energy absorption and buffering through the matching of the pressure rods, the second buffer springs and the elastic columns, and can generate reverse elastic force to fully absorb and buffer external impact force through the second buffer springs and the elastic columns, effectively reducing the damage of the collision to the automobile body and the personnel.

Description

Automobile bumper with energy absorption structure

Technical Field

The utility model belongs to the technical field of the car bumper, concretely relates to car bumper with energy-absorbing structure.

Background

With the development of society, the progress of science and technology and the improvement of the living standard of people, the number of automobiles is gradually increased, meanwhile, the increase of the number of automobiles also brings more traffic accidents, and an automobile bumper is taken as an important part in the technical field of automobile safety, has a decoration function, more importantly, is a safety device with the functions of absorbing and buffering external impact force and protecting an automobile body and passengers, and can reduce the loss of the traffic accidents to a great extent.

But the car bumper on the existing market has certain defect when using, and traditional car bumper anticollision performance is poor, and the energy-absorbing effect is poor, and when the car bumps, it is poor to car body and personnel's protection effect, and in addition, traditional car bumper's crashproof structure does not set up guide structure, receives when colliding, and crashproof structure buckles easily, can greatly reduced buffering effect.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automobile bumper with energy-absorbing structure to it is poor to provide traditional automobile bumper crashworthiness in solving above-mentioned background art, the poor problem of energy-absorbing effect, and in addition, traditional crashproof structure does not set up guide structure, and when receiving the collision, crashproof structure buckles easily and reduces the problem of buffering effect.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an automobile bumper with energy-absorbing structure, includes the bottom plate, the last wall symmetric connection of going up of bottom plate has well hollow column, the inside bottom of well hollow column is connected with elastic column, elastic column's outside cover is equipped with second buffer spring, and elastic column's top is connected with the second fixed block, the top of second fixed block is connected with the depression bar, the outward appearance wall lower extreme symmetric connection of depression bar has the guide block, the guide way with guide block looks adaptation is seted up to well hollow column's inner wall symmetry, the top of depression bar is connected with the backup pad, the last wall intermediate position department of backup pad is connected with foam energy-absorbing piece, the one end that backup pad was kept away from to foam energy-absorbing piece is connected with the bumper casing, symmetric connection has the support swash plate between the last wall both ends.

Preferably, a first fixing block is fixed on the lower surface wall of the supporting inclined plate, and a first buffer spring is connected between the lower surface wall of the first fixing block and the upper surface wall of the supporting plate.

Preferably, a first cushion layer is adhered to the outer surface wall of the bumper shell, and a second cushion layer is adhered to the upper surface wall of the support plate.

Preferably, the lower surface wall of the bottom plate is symmetrically connected with mounting plates, and mounting holes are formed in the outer surface walls of the mounting plates.

Preferably, the top end of the inner part of the guide groove is fixed with four limiting blocks.

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

(1) the utility model discloses a foam energy-absorbing piece can carry out the energy-absorbing buffering for the first time when the car receives the collision, can avoid bumper casing and bottom plate because of striking contact fracture, then, again through the depression bar, the cooperation of second buffer spring and elasticity post, can carry out the buffering of secondary energy-absorbing, produce reverse elasticity through second buffer spring and elasticity post and can fully absorb and alleviate outside impact force, effectively reduced the injury that the striking led to the fact automobile body and personnel.

(2) The utility model discloses a cooperation of guide block and guide way can improve the verticality that second buffer spring pushed down when the depression bar atress pushed down second buffer spring, avoids the spring to buckle, guarantees that the reverse elasticity that the spring produced and impact direction are on a straight line, can utilize elasticity to cushion by furthest, has effectively improved buffering effect.

Drawings

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

FIG. 2 is an internal structure view of the hollow column of the present invention;

FIG. 3 is a top view of the hollow column of the present invention;

fig. 4 is a cross-sectional view of the hollow column of the present invention;

in the figure: 1-a bumper shell, 2-a first cushion layer, 3-a foam energy absorption block, 4-a support inclined plate, 5-a first buffer spring, 6-a support plate, 7-a mounting plate, 8-a hollow column, 9-a bottom plate, 10-a compression bar, 11-a second cushion layer, 12-a first fixed block, 13-a guide block, 14-a second buffer spring, 15-an elastic column, 16-a second fixed block, 17-a guide groove and 18-a limiting block.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: an automobile bumper with an energy-absorbing structure comprises a bottom plate 9, wherein a hollow column 8 is symmetrically connected to the upper surface wall of the bottom plate 9, an elastic column 15 is connected to the inner bottom end of the hollow column 8, a second buffer spring 14 is sleeved outside the elastic column 15, a second fixed block 16 is connected to the top end of the elastic column 15, a pressure rod 10 is connected to the top end of the second fixed block 16, the pressure rod 10 presses downwards, external impact force can be fully absorbed and relieved by reverse elastic force generated by the second buffer spring 14 and the elastic column 15, injury to an automobile body and personnel caused by impact is effectively reduced, a guide block 13 is symmetrically connected to the lower end of the outer surface wall of the pressure rod 10, a guide groove 17 matched with the guide block 13 is symmetrically formed in the inner wall of the hollow column 8, and the verticality of pressing of the second buffer spring 14 can be improved when the second buffer spring 14 is pressed downwards under the force of the pressure rod 10 through the matching of the guide block 13, avoid the spring to buckle, guarantee that the reverse elasticity that the spring produced is on a straight line with the impact direction, can utilize elasticity to cushion by furthest, the cushioning effect has effectively been improved, the top of depression bar 10 is connected with backup pad 6, backup pad 6's last upper surface wall intermediate position department is connected with foam energy-absorbing piece 3, foam energy-absorbing piece 3 can carry out the energy-absorbing buffering of first time when the car receives the collision, can avoid bumper casing 1 and bottom plate 9 because of striking contact fracture, the one end that backup pad 6 was kept away from to foam energy-absorbing piece 3 is connected with bumper casing 1, symmetrical connection has support swash plate 4 between backup pad 6's last wall both ends and the bumper casing 1.

Further, a first fixed block 12 is fixed on the lower surface wall of the supporting inclined plate 4, a first buffer spring 5 is connected between the lower surface wall of the first fixed block 12 and the upper surface wall of the supporting plate 6, and the first buffer spring 5 can be matched with the foam energy absorption block 3 to perform primary energy absorption and buffering, so that the buffering limit is improved.

Furthermore, the first cushion layer 2 is bonded on the outer surface wall of the bumper shell 1, the second cushion layer 11 is bonded on the upper surface wall of the supporting plate 6, the first cushion layer 2 can reduce the damage to the outer wall of the bumper shell 1 caused by impact, and the second cushion layer 11 can further avoid the bumper shell 1 and the bottom plate 9 from being broken due to impact contact.

Furthermore, the lower surface wall of the bottom plate 9 is symmetrically connected with mounting plates 7, mounting holes are formed in the outer surface wall of the mounting plates 7, and the bumper is convenient to mount on an automobile through the mounting plates 7 with the mounting holes, so that the bumper is stable and reliable.

Further, the inside top of guide way 17 is fixed with stopper 18, and stopper 18 is fixed with four altogether, and stopper 18 can carry on spacingly to guide block 13, avoids guide block 13 roll-off guide way 17.

The utility model discloses a theory of operation and use flow: when the utility model is used, firstly, the bumper is stably installed on the automobile by using the installation plate 7, the bumper can be put into use after being installed, when the automobile collides, the bumper shell 1 adhered with the first cushion layer 2 is firstly stressed, wherein the damage to the outer wall of the bumper shell 1 caused by the impact can be reduced by the first cushion layer 2, then the foam energy absorption block 3 is compressed by the impact force, the first energy absorption and buffering can be carried out, the bumper shell 1 and the bottom plate 9 can be prevented from being broken by the impact contact, then, the unabsorbed impact force applies force to the pressure rod 10 at the bottom end of the support plate 6, the pressure rod 10 is pressed down to enable the second cushion spring 14 and the elastic column 15 to contract, the generated reverse elastic force can fully absorb and relieve the external impact force, the injury to the automobile body and personnel caused by the impact is effectively reduced, in addition, when the second cushion spring 14 and the elastic column 15 contract, through the linear sliding of the guide block 13 in the guide groove 17 formed in the inner wall of the hollow column 8, the pressing verticality of the second buffer spring 14 can be improved, the spring is prevented from being bent, the reverse elastic force generated by the spring and the impact force direction are on the same straight line, the reverse elastic force can be utilized to the maximum extent for buffering, and the buffering effect is effectively improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an automobile bumper with energy-absorbing structure which characterized in that: comprises a bottom plate (9), the last wall symmetric connection of bottom plate (9) has well hollow column (8), the inside bottom of well hollow column (8) is connected with elastic column (15), the outside cover of elastic column (15) is equipped with second buffer spring (14), and the top of elastic column (15) is connected with second fixed block (16), the top of second fixed block (16) is connected with depression bar (10), the exterior wall lower extreme symmetric connection of depression bar (10) has guide block (13), the inner wall symmetry of well hollow column (8) is seted up guide way (17) with guide block (13) looks adaptation, the top of depression bar (10) is connected with backup pad (6), the last wall intermediate position department of backup pad (6) is connected with foam energy-absorbing block (3), the one end that backup pad (6) was kept away from in foam energy-absorbing block (3) is connected with bumper casing (1), and supporting inclined plates (4) are symmetrically connected between the two ends of the upper wall of the supporting plate (6) and the bumper shell (1).

2. The automobile bumper with the energy absorbing structure as set forth in claim 1, wherein: the lower surface wall of the supporting inclined plate (4) is fixed with a first fixing block (12), and a first buffer spring (5) is connected between the lower surface wall of the first fixing block (12) and the upper surface wall of the supporting plate (6).

3. The automobile bumper with the energy absorbing structure as set forth in claim 1, wherein: a first cushion layer (2) is bonded to the outer surface wall of the bumper shell (1), and a second cushion layer (11) is bonded to the upper surface wall of the supporting plate (6).

4. The automobile bumper with the energy absorbing structure as set forth in claim 1, wherein: the lower surface wall symmetry of bottom plate (9) is connected with mounting panel (7), the mounting hole has been seted up to the outward appearance wall of mounting panel (7).

5. The automobile bumper with the energy absorbing structure as set forth in claim 1, wherein: limiting blocks (18) are fixed to the top ends of the inner portions of the guide grooves (17), and four limiting blocks (18) are fixed to the top ends.