CN218431145U

CN218431145U - Bumper with good buffering performance

Info

Publication number: CN218431145U
Application number: CN202221881028.7U
Authority: CN
Inventors: 王友松; 韩德良; 徐家骥
Original assignee: Hefei Dongsheng New Energy Auto Co ltd
Current assignee: Hefei Dongsheng New Energy Auto Co ltd
Priority date: 2022-07-20
Filing date: 2022-07-20
Publication date: 2023-02-03
Anticipated expiration: 2032-07-20

Abstract

The utility model provides a bumper with good buffering performance, which comprises an installation strip arranged on an automobile and a buffering mechanism arranged on the position of the installation mechanism away from the automobile, wherein the buffering mechanism comprises two buffer blocks which are symmetrically arranged at one end of the installation strip away from the automobile and are arranged in a buffer groove along the length direction, a buffering component arranged on the bottom wall of the buffer groove, a protection strip which is arranged on the parallel installation strip and is arranged on the side of the installation strip away from the automobile through a limiting component, and two linkage rods, one end of each linkage rod is symmetrically arranged on the end surface of one end of the protection strip close to the installation strip, and the other end of each linkage rod is respectively connected with different buffer blocks; the limiting component limits the protection strip to move in the direction vertical to the bottom wall of the buffer groove; the utility model discloses the impact force to the car collision production that can be convenient absorbs, has improved the shock-absorbing capacity of bumper, has reduced the loss that the collision produced.

Description

Bumper with good buffering performance

Technical Field

The utility model relates to an automobile parts technical field specifically is a bumper that shock-absorbing capacity is good.

Background

The bumper of the automobile is a safety device which absorbs and relaxes the external impact force and protects the front and rear parts of the automobile body. The automobile or the driver generates a buffer device when being stressed by collision. Along with the continuous development of automobile industry, the figure of car increases day by day, and simultaneously, corresponding traffic accident is also rising constantly, has caused serious casualties and financial loss, and the car bumper is mostly plastics material and moulds plastics and form, and the machining precision is high, and the outward appearance is exquisite, not only has the decoration function, still has and absorbs and cushion external impact force, protection automobile body and passenger safety function, can reduce the degree of loss effectively.

Although traditional car bumper can satisfy basic operation requirement, but when bumping, impact force is very big in the twinkling of an eye of striking, bumper shock-absorbing capacity is relatively poor, therefore can not be fine protect the automobile body, passenger and by the intact degree of bump thing in the car, thereby cause great loss easily, and the buffer function of current bumper is provided through the elasticity of spring mostly, but the condition of bumping appears in current car, great impact force in the twinkling of an eye appears mostly, can appear the spring this moment and can not absorb the great impact force that appears in the twinkling of an eye, can not play the guard action to car and passenger.

SUMMERY OF THE UTILITY MODEL

To the technical problem, the utility model provides a bumper that shock-absorbing capacity is good absorbs the impact force that the car collision produced that can be convenient, has improved the shock-absorbing capacity of bumper, has reduced the loss that the collision produced.

In order to achieve the above purpose, the utility model provides a following technical scheme: a bumper with good buffering performance comprises a mounting bar arranged on an automobile and a buffering mechanism arranged at a position, far away from the automobile, of the mounting bar, wherein the buffering mechanism comprises two buffering blocks symmetrically arranged at one end, far away from the automobile, of the mounting bar, the buffering blocks are arranged in a buffering groove along the length direction, a buffering component is arranged on the bottom wall of the buffering groove, a protection bar is arranged on the mounting bar in parallel and is far away from one side of the automobile through a limiting component, and two linkage rods, one end of each linkage rod is symmetrically arranged on the end face, close to the mounting bar, of the protection bar, and the other end of each linkage rod is connected with different buffering blocks;

the limiting component limits the protection strip to move in a direction vertical to the bottom wall of the buffer tank;

the buffer assembly comprises an absorption strip which is detachably arranged on the bottom wall of the buffer groove and arranged in the absorption groove, and a plurality of blocking pieces which are symmetrically arranged on two sides of the end face of one end, far away from the mounting strip, of the absorption strip.

Preferably, the absorbing bar is far away from mounting bar one end terminal surface and is close to both sides position and has seted up the fixed slot, can wear to establish one end in the fixed slot and set up the fixing bolt that first screw threaded connection was seted up with the absorbing groove diapire.

Preferably, the restriction subassembly includes that one end is located perpendicularly and is absorbed cell diapire central point and the gag lever post that the pole body activity runs through the protection strip, locates the gag lever post is kept away from and is absorbed one and serve the stopper and put the cover through the terminal surface central point and locate on the gag lever post and locate the guard bar and close on mounting bar one end terminal surface and both ends respectively with the gangbar keep away from mounting bar one end swing joint's transfer line, the absorption strip is located on the gag lever post through the perforating hole cover that the terminal surface central point put to set up.

Preferably, two be provided with the cutting piece on the terminal surface that the buffer block kept away from each other, just the absorption groove one end terminal surface is kept away from in cutting piece laminating absorption strip.

Preferably, the bottom wall of the buffer slot is provided with a mounting hole at a position far away from each other, and a mounting bolt penetrates through the mounting hole.

Preferably, the blocking member comprises a plurality of blocking pieces which are arranged at equal intervals along the length direction of the absorbent strips and are arranged on two sides of the end face of one end of the absorbent strip far away from the mounting strip.

Preferably, the blocking piece comprises a plurality of connecting bolts which are arranged at equal intervals along the length direction of the absorption strip and are arranged on two sides of the end face of one end, far away from the installation strip, of the absorption strip, and the connecting bolts are in threaded connection with connecting holes formed in the end face of one end, far away from the absorption groove, of the absorption strip.

Preferably, the side surface of the buffer block is provided with a sliding block, and the sliding block is arranged in a sliding groove formed in the side wall of the buffer groove along the length direction of the mounting bar in a penetrating manner.

The utility model has the advantages that: wherein on being fixed in the car with mounting bar direct mount, can play the guard action to the car through the protective bar of connecting on the mounting bar, when the car receives the collision, can extrude the protective bar and remove to the direction of mounting bar, and drive the buffer block of locating on the mounting bar through the gangbar and remove in the dashpot, when the buffer block cuts the buffering subassembly that sets up in the dashpot, so that the instantaneous impact force that produces when the collision appears to the car absorbs, turn into the kinetic energy of buffer block to buffering subassembly cutting with the impact force, the impact force that produces the car collision that can be convenient absorbs, the shock-absorbing capacity of bumper has been improved, the loss that the collision produced has been reduced.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

fig. 1 is a schematic diagram of a simple bumper structure with good buffering performance.

Fig. 2 is a schematic view of a structure of a bumper with good cushioning performance according to the present invention.

Fig. 3 is a schematic structural view of the mounting bar of the present invention.

Fig. 4 is a schematic structural view of a first embodiment of the blocking member of the present invention.

Fig. 5 is a schematic structural view of a second embodiment of the blocking member of the present invention.

In the figure: 1. mounting a bar; 2. a buffer tank; 3. a chute; 4. a limiting rod; 5. a protective strip; 6. a limiting block; 7. a linkage rod; 8. a buffer block; 9. an absorbent strip; 10. installing a bolt; 11. fixing the bolt; 12. a transmission rod; 13. an absorption tank; 14. a through hole; 15. cutting the block; 16. a blocking block; 17. a slider; 18. connecting holes; 19. and connecting the bolts.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings, but the following embodiments are only preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the embodiment, those skilled in the art can obtain other embodiments without making creative efforts, and all of them belong to the protection scope of the present invention.

Referring to fig. 1-5, a bumper with good buffering performance comprises a mounting bar 1 arranged on an automobile and a buffering mechanism arranged at a position of the mounting bar 1 far away from the automobile, wherein the buffering mechanism comprises two buffering blocks 8 symmetrically arranged at one end of the mounting bar 1 far away from the automobile and provided with a buffering groove 2 along the length direction, a buffering component arranged on the bottom wall of the buffering groove 2, a protection bar 5 parallel to the mounting bar 1 and arranged at one side of the mounting bar 1 far away from the automobile through a limiting component, and two linkage rods 7, one end of each linkage rod is symmetrically arranged on the end face of one end of the protection bar 5 close to the mounting bar 1, and the other end of each linkage rod is connected with different buffering blocks 8;

the restricting member restricts the movement of the guard bar 5 in the direction perpendicular to the bottom wall of the buffer tank 2.

As shown in fig. 1-5, firstly, the mounting bar 1 is mounted on the automobile, wherein when a collision occurs, that is, when the protection bar 5 collides with another object or vehicle, the impact force generated by the collision on the protection bar 5 can move towards the mounting bar 1, and simultaneously drives the two linkage rods 7 to move, that is, the buffer block 8 connected with the linkage rods 7 is driven to move in the buffer slot 2, so that the buffer component arranged on the bottom wall of the buffer slot 2 is conveniently cut by the impact force received by the protection bar 5, thereby facilitating the absorption of the impact force generated by the collision and the conversion of the impact force into the cutting kinetic energy of the buffer component, the impact force generated by the automobile collision can be conveniently absorbed, the buffer performance of the bumper is improved, the loss generated by the collision is reduced, compared with the existing buffer performance which takes the spring as the impact force absorption, the impact force generated by the collision of the automobile is larger, and cannot be absorbed by the spring, even if a part of the impact force can be absorbed, most of the impact force can directly act on the automobile body, that is the passenger, and cannot protect the automobile or the passenger.

The buffer assembly comprises an absorption strip 9 which is detachably arranged on the bottom wall of the buffer groove 2 and provided with an absorption groove 13, and a plurality of blocking pieces which are symmetrically arranged on two sides of the end face of one end of the absorption strip 9 far away from the mounting strip 1.

As shown in fig. 1-5, wherein the absorbing strips 9 are detachable from the absorbing grooves, when the automobile collides, the impact force is absorbed by cutting the blocking piece by the buffer block 8, and then the absorbing strips 9 are directly replaced, so that the device can continuously protect the automobile, namely, passengers, and the device is prevented from being integrally replaced, thereby reducing the use cost of the device.

The absorbing bar 9 is far away from the mounting bar 1 one end terminal surface and is close to both sides position and seted up the fixed slot, can wear to establish one end in the fixed slot and set up first screw threaded connection's fixing bolt 11 with absorbing 13 diapalls of groove.

As shown in fig. 1 and 3 to 5, the absorption amount of the impact force of the device can be increased by fixing bolts 11 passing through the fixing grooves and threadedly engaged with the first screw holes to facilitate the installation and fixation of the absorbent strip 9 in the absorption grooves 13, and fixing bolts 11 having one end thereof partially positioned on the end surface of the absorbent strip 9 when the absorbent strip 9 is installed and fixed in the absorption grooves 13.

Wherein when the great collision takes place for the car, buffer block 8 still does not absorb the impact force completely after cutting all blockings, buffer block 8 still can remove in dashpot 2 this moment, and buffer block 8 will collide this moment and produce unnecessary impact force and be used for cutting fixing bolt 11 on, has increased the size that the impact force was absorbed in the collision, has improved and has sent protective function to the car passenger promptly.

The limiting component comprises a limiting rod 4, one end of the limiting rod 4 is perpendicularly arranged at the center of the bottom wall of the absorption groove 13, the rod body penetrates through the protection strip 5 in a movable mode, a limiting block 6 is arranged on one end, away from the absorption strip 9, of the limiting rod 4, a transmission rod 12 is arranged on the limiting rod 4 in a sleeved mode through the center of the end face, the protection strip 5 is arranged close to the end face of one end of the installation strip 1, two ends of the transmission rod 12 are respectively connected with the linkage rod 7 in a movable mode, one end of the installation strip 1 is far away from the linkage rod 7, and the absorption strip 9 is arranged on the limiting rod 4 in a sleeved mode through a through hole 14 formed in the center of the end face.

As shown in fig. 1-5, the limiting rod 4 penetrating through the protective bar 5 is arranged to limit the protective bar 5 to move only in the direction of the rod body of the limiting rod 4, and the limiting rod 4 is located at the center of the bottom wall of the buffer slot 2, so that two buffer blocks 8 connected by two linkage rods 7 can be synchronously and symmetrically located in the buffer slot 2 and synchronously move in the buffer slot 2.

The end faces, far away from each other, of the two buffer blocks 8 are provided with cutting blocks 15, and the cutting blocks 15 are attached to the end faces, far away from the end faces, at the end faces, of the absorption grooves 13, of the absorption strips 9.

As shown in fig. 3-5, the end face of the cutting block 15 near one end of the blocking member accounts for one fourth to one eighth of the end face of the buffering block 8 near one end of the blocking member, so that on one hand, the cutting block 15 is ensured to have certain strength to cut the blocking member, and on the other hand, the situation that the end face of the cutting block 15 near one end of the blocking member is too large to cut the blocking member is avoided.

The mounting hole is arranged at the position where the bottom walls of the buffer grooves 2 are far away from each other, and the mounting bolt 10 penetrates through the mounting hole.

As shown in fig. 1, the mounting bar 1 is mounted and fixed to the automobile by mounting bolts 10.

The blocking member comprises a plurality of blocking pieces 16 which are arranged at equal intervals along the length direction of the absorbent strip 9 and are arranged on the two sides of the end surface of one end of the absorbent strip 9 far away from the mounting strip 1.

As shown in fig. 4, the stopper 16 is made of iron, and the stopper 16 and the absorbent strip 9 may be integrally formed or may be welded at a later stage.

The blocking piece comprises a plurality of connecting bolts 19 which are arranged at equal intervals along the length direction of the absorption strip 9 and are arranged on two sides of the end face of one end, far away from the mounting strip 1, of the absorption strip 9, and the connecting bolts 19 are in threaded connection with connecting holes 18 formed in the end face of one end, far away from the absorption groove 13, of the absorption strip 9.

As shown in fig. 5, compared with the connection mode such as welding or integrated molding by the threaded connection between the connecting bolt 19 and the connecting hole 18, the normal protection function of the device can be recovered by directly replacing the connecting bolt 19 when the automobile slightly collides, wherein when the automobile slightly collides, the protection strip 5 can drive the cutting block 15 arranged on the buffer block 8 to cut several connecting bolts 19 through the linkage rod 7 to absorb the impact force generated by the collision, at the moment, the protection function of the device to the automobile, namely, the passenger can be recovered by only replacing the broken connecting bolt 19, the complexity of integrally replacing the absorption strip 9 is avoided, and the use cost is also reduced.

The side of the buffer block 8 is provided with a slide block 17, and the slide block 17 is arranged in the slide groove 3 arranged on the side wall of the buffer groove 2 along the length direction of the mounting bar 1 in a penetrating way.

Wherein slide in spout 3 through slider 17 to guarantee that buffer block 8 can stably slide in buffer slot 8, so that stably cut the piece of stopping, absorb the impact force that the collision produced.

The foregoing shows and describes the basic principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A bumper with good buffering performance comprises a mounting bar (1) arranged on an automobile and a buffering mechanism arranged on a position, away from the automobile, of the mounting bar (1), and is characterized in that the buffering mechanism comprises two buffering blocks (8) which are symmetrically arranged at one end, away from the automobile, of the mounting bar (1) and are arranged in a buffering groove (2) along the length direction, a buffering component arranged on the bottom wall of the buffering groove (2), a protection bar (5) which is parallel to the mounting bar (1) and is arranged at one side, away from the automobile, of the mounting bar (1) through a limiting component, and two linkage rods (7) of which one ends are symmetrically arranged on the end faces, close to the mounting bar (1), of the protection bar (5) and of which the other ends are respectively connected with different buffering blocks (8);

the limiting component limits the protection strip (5) to move in the direction vertical to the bottom wall of the buffer groove (2);

the buffer assembly comprises an absorption strip (9) which is detachably arranged on the bottom wall of the buffer groove (2) and provided with an absorption groove (13), and a plurality of blocking pieces which are symmetrically arranged on two sides of the end face of one end of the installation strip (1) far away from the absorption strip (9).

2. The bumper of claim 1, wherein: the absorption bar (9) is far away from the end face of one end of the mounting bar (1) and is close to the positions of two sides to form a fixing groove, and a fixing bolt (11) with one end connected with the bottom wall of the absorption groove (13) in a threaded mode and provided with a first screw hole is arranged in the fixing groove in a penetrating mode.

3. The bumper of claim 2, wherein: the limiting assembly comprises a limiting rod (4) with one end perpendicularly arranged at the central position of the bottom wall of the absorption groove (13) and the rod body movably penetrating through the protective strip (5), a limiting block (6) with one end far away from the absorbing strip (9) by the limiting rod (4), and a transmission rod (12) which is sleeved on the limiting rod (4) through the central position of the end face and is arranged on the protective strip (5) and closes on one end face of the mounting strip (1) and is respectively far away from one end of the mounting strip (1) and movably connected with the linkage rod (7) at two ends, wherein the absorbing strip (9) is sleeved on the limiting rod (4) through a through hole (14) which is arranged at the central position of the end face.

4. A bumper beam having improved cushioning properties according to claim 3, further comprising: two be provided with cutting block (15) on the terminal surface that buffer block (8) kept away from each other, just absorption groove (13) one end terminal surface is kept away from in cutting block (15) laminating absorption strip (9).

5. The bumper of claim 4, wherein: and mounting holes are formed in the positions, far away from each other, of the bottom wall of the buffer tank (2), and mounting bolts (10) penetrate through the mounting holes.

6. The bumper of any one of claims 1 to 5, wherein: the blocking piece comprises a plurality of blocking pieces (16) which are arranged at equal intervals along the length direction of the absorption strip (9) and are arranged on two sides of the end face of one end, far away from the installation strip (1), of the absorption strip (9).

7. The bumper of any one of claims 1 to 5, wherein: the blocking piece comprises a plurality of connecting bolts (19) which are arranged at equal intervals along the length direction of the absorbing strip (9) and are arranged on the two sides of the end face of one end, far away from the mounting strip (1), of the absorbing strip (9), and the connecting bolts (19) are in threaded connection with connecting holes (18) formed in the end face of one end, far away from the absorbing groove (13), of the absorbing strip (9).

8. The bumper of claim 1, wherein: the side surface of the buffer block (8) is provided with a sliding block (17), and the sliding block (17) is arranged in a sliding groove (3) formed in the side wall of the buffer groove (2) along the length direction of the mounting bar (1) in a penetrating mode.