CN214874676U - Automobile anti-collision bumper - Google Patents
Automobile anti-collision bumper Download PDFInfo
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- CN214874676U CN214874676U CN202120738626.8U CN202120738626U CN214874676U CN 214874676 U CN214874676 U CN 214874676U CN 202120738626 U CN202120738626 U CN 202120738626U CN 214874676 U CN214874676 U CN 214874676U
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- connecting piece
- dwang
- planking
- grafting
- crossbeam
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Abstract
The utility model discloses an automobile anti-collision bumper relates to car safety technical field, aims at solving the not stable enough problem of automobile bumper installation, and its technical scheme main points are: including planking and crossbeam, planking and crossbeam are connected through setting up the buffering subassembly between the two, and the buffering subassembly includes connecting piece and two subassemblies, and when the atress threshold value of impact force less than or equal to connecting piece that the planking received, the connecting piece remains stable, and when the impact force that the planking received was greater than the atress threshold value of connecting piece, the connecting piece damage, two subassembly separation and reunions produced the cushion force. The utility model discloses the grafting bucket that utilizes carbon-fibre composite to make the bumper still have good shock-absorbing capacity when the installation is stable.
Description
Technical Field
The utility model relates to an automobile safety technical field, more specifically say, it relates to an automobile anti-collision 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 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.
In the related art, a cushion material layer of an automobile bumper is located between an outer panel and a cross member, and although a cushion effect can be provided when the outer panel is impacted, the installation of the automobile bumper is not stable enough because the connection is made only by the cushion material layer having elastic deformation properties.
Therefore, a new solution is needed to solve this problem.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide an automobile anti-collision bumper can also provide good buffering effect when the installation is stable.
The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides an automobile anti-collision bumper, includes planking and crossbeam, planking and crossbeam are connected through setting up the buffering subassembly between the two, the buffering subassembly includes connecting piece and two subassemblies, and when the atress threshold value of the impact force less than or equal to connecting piece that the planking received, the connecting piece remains stable, and when the impact force that the planking received was greater than the atress threshold value of connecting piece, the connecting piece damage, two the subassembly separation and reunion produces the cushion effect.
Through adopting above-mentioned technical scheme, utilize the buffering subassembly that sets up between planking and crossbeam to play the effect of buffering to the striking, the realization is to the protection of car, through setting up the connecting piece between two sub-assemblies, can be when the impact force of striking is less, only can hit bad planking, direct change planking can, need not to pull down the bumper is whole, the material resources of using manpower sparingly, when the impact force of striking is great, the connecting piece damage in the buffering subassembly lets the sub-assembly splice the effect of playing the buffering together, protect personnel on the car, cost of maintenance is also lower.
The utility model discloses further set up to: the hardness of the connecting piece is smaller than that of the combined pieces, an elastic piece with elastic deformation performance is arranged in the buffer assembly, and the natural length of the elastic piece is equal to the total length of the connecting piece and the two combined pieces.
Through adopting above-mentioned technical scheme, because the hardness of connecting piece is less than the hardness of sub-assembly for when the impact force of striking is great, thereby two sub-assemblies can extrude the connecting piece and destroy it and splice together extrusion elastic component after and produce the cushion effect, protect personnel on the car.
The utility model discloses further set up to: two the sub-assembly is for being located the grafting bucket at buffering subassembly both ends, two the grafting bucket respectively with planking, crossbeam fixed connection, two grafting bucket sliding connection, the connecting piece is located between two grafting buckets, elastic component fixed connection just runs through the connecting piece in two grafting buckets.
Through adopting above-mentioned technical scheme, when the impact force of striking is great, utilize respectively with planking, crossbeam fixed connection's two grafting buckets destroy the connecting piece and extrude its inside elastic component simultaneously, produce the cushion effect, reduce the injury of striking to personnel on the car, protect personnel on the car, maintain moreover and get up also can save material more.
The utility model discloses further set up to: two equal fixedly connected with annular array sets up the bolt on the bucket of pegging graft one end that faces each other, it is adjacent form the clearance that is the same width with the bolt between the bolt, two bolt dislocation distribution on the bucket of pegging graft.
Through adopting above-mentioned technical scheme, utilize the bolt that annular array and dislocation distribute on two grafting buckets for when the impact force of striking is great, the bolt can let two grafting buckets splice together after crushing with the connecting piece extrusion, extrudees the production cushion effect to the elastic component, protects personnel on the car.
The utility model discloses further set up to: the buffer assembly further comprises a first rotating rod and a second rotating rod which are located on two sides of the inserting barrel, the first rotating rod and the second rotating rod are respectively fixedly connected with the outer plate and the cross beam, and the first rotating rod and the second rotating rod are rotatably connected.
Through adopting above-mentioned technical scheme, when utilizing dwang one and dwang two of grafting bucket both sides to guarantee joint strength between planking and the crossbeam, can also rotate when the impact force of striking is great leads to the connecting piece damaged, prevent that dwang one and dwang two are light easy to break.
The utility model discloses further set up to: one side of the second rotating rod far away from the splicing barrel is provided with a telescopic rod fixedly connected to the cross beam, and when the first rotating rod and the second rotating rod rotate, the second rotating rod extrudes the telescopic end of the telescopic rod.
Through adopting above-mentioned technical scheme for when the impact force of striking is great, dwang one and two emergence rotations of dwang, two extrusions the flexible end of telescopic link of dwang, let the telescopic link cushion dwang one and dwang two, reduce the impact force of striking, protect personnel on the car.
To sum up, the utility model discloses following beneficial effect has:
the impact force that comes the collision production through the buffering subassembly between planking and the crossbeam cushions, the connecting piece is damaged when the impact force is less, only need to be changed by the planking that the collision warp can, the material resources of using manpower sparingly, when the impact force is great, the connecting piece is damaged, two grafting buckets are together extrudeed the elastic component through the bolt concatenation and are cushioned the impact force, the telescopic link cushions dwang one and dwang two simultaneously, further improve crashworthiness, dwang one and dwang two also can strengthen the joint strength between planking and the crossbeam.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the middle buffering assembly of the present invention.
In the figure: 1. an outer plate; 2. a cross beam; 3. a buffer assembly; 4. a connecting member; 5. an elastic member; 6. a barrel is inserted; 7. a bolt; 8. rotating the first rod; 9. rotating the second rod; 10. a telescopic rod.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
Example (b):
as shown in figure 1 and figure 2, an automobile anti-collision bumper comprises an outer plate 1 and a cross beam 2, wherein the outer plate 1 and the cross beam 2 are connected through a buffer component 3 arranged between the outer plate 1 and the cross beam 2, the buffer component 3 comprises a cylindrical connecting piece 4 and two components, when the impact force applied to the outer plate 1 is less than or equal to the stress threshold value of the connecting piece 4, the connecting piece 4 is kept stable, when the impact force applied to the outer plate 1 is greater than the stress threshold value of the connecting piece 4, the connecting piece 4 is damaged, and the two components are in clutch to generate buffer force.
As shown in fig. 1 and 2, the hardness of the connecting piece 4 is smaller than that of the assembly pieces, the elastic piece 5 with elastic deformation performance is arranged in the buffer assembly 3, the natural length of the elastic piece 5 is equal to the total length of the connecting piece 4 and the two assembly pieces, the two assembly pieces are the inserting barrels 6 positioned at two ends of the buffer assembly 3, the two inserting barrels 6 are respectively connected with the outer plate 1 and the cross beam 2, the two inserting barrels 6 are connected in a sliding mode, the connecting piece 4 is positioned between the two inserting barrels 6, the elastic piece 5 is fixedly connected in the two inserting barrels 6 and penetrates through the connecting piece 4, the inserting pins 7 arranged in an annular array are fixedly connected on one end, facing each other, gaps with the same width as the inserting pins 7 are formed between the adjacent inserting pins 7, and the inserting pins 7 on the two inserting barrels 6 are distributed in a staggered mode.
During the striking, 1 atress of planking is towards 3 application of force of buffering subassembly, respectively with planking 1, 2 fixed connection's of crossbeam two are pegged graft bucket 6 and are extrudeed connecting piece 4, extrude the damage with connecting piece 4, make two peg graft bucket 6 splice together through dislocation distribution's bolt 7, extrude its inside elastic component 5, because the natural length of elastic component 5 equals the total length of connecting piece 4 and two peg graft bucket 6, make elastic component 5 kick-back after being extruded produce the cushion effect, let two 6 sliding separation of grafting bucket, thereby make planking 1 cushion the striking in the external world.
As shown in fig. 1 and 2, the buffering assembly 3 further includes a first rotating rod 8 and a second rotating rod 9 located on two sides of the inserting barrel 6, the first rotating rod 8 and the second rotating rod 9 are respectively fixedly connected with the outer plate 1 and the cross beam 2, the first rotating rod 8 and the second rotating rod 9 are rotatably connected, one side of the second rotating rod 9, which is far away from the inserting barrel 6, is provided with a telescopic rod 10 fixedly connected to the cross beam 2, and when the first rotating rod 8 and the second rotating rod 9 rotate, the second rotating rod 9 extrudes the telescopic end of the telescopic rod 10.
During the striking, 1 atress of planking moves towards buffering subassembly 3, drives dwang one 8 and the production of dwang two 9 and rotates for dwang two 9 offsets with the flexible end of telescopic link 10, extrudees its application of force, produces the buffering power after the telescopic link 10 atress, prevents dwang two 9 to continue to rotate and makes it reset simultaneously, makes planking 1 cushion the striking of external world.
When this bumper receives the striking, 1 production of planking is deformed and is towards 3 application of force of buffering subassembly simultaneously, make the grafting bucket 6 that is located respectively on planking 1 and crossbeam 2 extrude connecting piece 4, lead to the connecting piece 4 damaged, let two grafting buckets 6 splice together through 7 concatenations of dislocation distribution's bolt, 5 extrusion production buffer powers of elastic component to its inside, dwang 8 and two 9 rotations of dwang simultaneously, extrude the flexible end of telescopic link 10, make telescopic link 10 produce the buffer power, come to cushion external striking, protect personnel on the car.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (6)
1. An automobile anti-collision bumper is characterized in that: including planking (1) and crossbeam (2), planking (1) and crossbeam (2) are connected through setting up buffering subassembly (3) between the two, buffering subassembly (3) are including connecting piece (4) and two sub-assemblies, and when the atress threshold value of impact force less than or equal to connecting piece (4) that planking (1) received, connecting piece (4) remain stable, and when the impact force that planking (1) received was greater than the atress threshold value of connecting piece (4), connecting piece (4) damage, two the sub-assembly separation and reunion produces the cushion effect.
2. An automotive crash bumper according to claim 1, characterized in that: the hardness of the connecting piece (4) is smaller than that of the combined pieces, an elastic piece (5) with elastic deformation performance is arranged in the buffer component (3), and the natural length of the elastic piece (5) is equal to the total length of the connecting piece (4) and the two combined pieces.
3. An automotive crash bumper according to claim 2, characterized in that: two the sub-assembly is for being located grafting bucket (6) at buffer unit (3) both ends, two grafting bucket (6) respectively with planking (1), crossbeam (2) fixed connection, two grafting bucket (6) sliding connection, connecting piece (4) are located between two grafting buckets (6), elastic component (5) fixed connection just runs through connecting piece (4) in two grafting buckets (6).
4. A crash bumper for a vehicle according to claim 3 wherein: two equal fixedly connected with annular array sets up bolt (7) on the one end that grafting bucket (6) faced each other, it is adjacent form the clearance that is the same width with bolt (7) between bolt (7), two bolt (7) dislocation distribution on grafting bucket (6).
5. A crash bumper for a vehicle according to claim 3 wherein: buffer unit (3) are still including dwang one (8) and dwang two (9) that are located grafting bucket (6) both sides, dwang one (8) and dwang two (9) respectively with planking (1), crossbeam (2) fixed connection, dwang one (8) and dwang two (9) rotate to be connected.
6. An automotive crash bumper according to claim 5, characterized in that: one side that grafting bucket (6) was kept away from in dwang two (9) is provided with telescopic link (10) of fixed connection on crossbeam (2), when dwang one (8) and dwang two (9) take place to rotate, the flexible end of telescopic link (10) is extruded in dwang two (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120738626.8U CN214874676U (en) | 2021-04-12 | 2021-04-12 | Automobile anti-collision bumper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120738626.8U CN214874676U (en) | 2021-04-12 | 2021-04-12 | Automobile anti-collision bumper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214874676U true CN214874676U (en) | 2021-11-26 |
Family
ID=78949570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120738626.8U Active CN214874676U (en) | 2021-04-12 | 2021-04-12 | Automobile anti-collision bumper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214874676U (en) |
-
2021
- 2021-04-12 CN CN202120738626.8U patent/CN214874676U/en active Active
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