CN110816451A - Anti-collision energy-absorbing automobile bumper - Google Patents
Anti-collision energy-absorbing automobile bumper Download PDFInfo
- Publication number
- CN110816451A CN110816451A CN201911065260.6A CN201911065260A CN110816451A CN 110816451 A CN110816451 A CN 110816451A CN 201911065260 A CN201911065260 A CN 201911065260A CN 110816451 A CN110816451 A CN 110816451A
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- China
- Prior art keywords
- collision
- plate
- energy
- absorbing
- automobile bumper
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/023—Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/04—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects formed from more than one section in a side-by-side arrangement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/18—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact
Abstract
The invention discloses an anti-collision energy-absorbing automobile bumper which mainly comprises a cross beam, an outer shell and an anti-collision plate arranged between the outer shell and the cross beam, wherein an anti-collision device is arranged between the anti-collision plate and the outer plate; according to the anti-collision energy-absorbing automobile bumper, the impact force on the outer shell is uniformly distributed and transmitted to the anti-collision device by utilizing the corrugated plates, so that all parts of the anti-collision device are uniformly stressed, the phenomenon of serious deformation caused by uniform distribution is avoided, and the anti-collision is realized; or the force generated by collision is uniformly distributed and transferred to the energy absorption device, so that the kinetic energy obtained by each position of the energy absorption device is consistent, and the local deformation of the energy absorption device is avoided.
Description
Technical Field
The invention belongs to the field of automobile parts and accessories thereof, and particularly relates to an anti-collision energy-absorbing automobile bumper.
Background
Front and rear end protective devices, commonly referred to as bumper systems, for automobiles refer to components mounted at the front and rear of the automobile, which are typically made of energy absorbing materials, such as steel, aluminum, plastic, foam, and the like. In the event of a collision, in most cases a bumper is involved. As a protection device, the design requirements are as follows: the vehicle is not seriously damaged during contact and light collision, and the vehicle body, an engine, an exhaust system and a cooling system, and safety-related lights and the like are protected from damage.
In the prior art, the front part and the rear part of an automobile are collision energy absorption areas, and the shell part is made of plastic materials with lower strength, can deform when in slight collision, absorbs part of collision energy, and not only prevents the automobile from being damaged by collision, but also prevents the automobile from damaging pedestrians. The energy absorption area is added between the inside of the shell and the connection of the vehicle body structure, most of collision energy is absorbed through the energy absorption block, and the main functions of the energy absorption block are supporting, anti-collision and energy absorption. The primary component within the bumper system that carries the impact is the bumper reinforcement beam. The material of the reinforcing cross beam is usually selected from aluminum alloy or steel, and the reinforcing cross beam is fixed on the vehicle body longitudinal beam through bolts. For convenience of after-market maintenance, the impact beam is typically removed separately.
However, the prior art bumper can only play a good role in protection when a slight collision occurs. When a serious collision occurs, the automobile bumper system is stressed unevenly and is easy to deform unevenly and seriously, so that the whole automobile bumper system is seriously deformed, and the automobile and an engine, an exhaust system, a cooling system and the like in the automobile bumper system are damaged. And the plastic shell at the front part of the automobile can deform when in slight collision, namely, the plastic shell needs to be maintained, the cost is higher, and a lot of troubles are brought to a user.
Disclosure of Invention
The invention aims to provide an anti-collision energy-absorbing automobile bumper, which utilizes corrugated plates to uniformly distribute and uniformly transmit impact force received on an outer shell to an anti-collision device, so that all parts of the anti-collision device are uniformly stressed, the occurrence of serious deformation due to uniform distribution is avoided, and the anti-collision is realized; or the force generated by collision is uniformly distributed and transferred to the energy absorption device, so that the kinetic energy obtained by each position of the energy absorption device is consistent, and the local deformation of the energy absorption device is avoided.
The invention provides an anti-collision energy-absorbing automobile bumper, which mainly comprises a cross beam, an outer shell and an anti-collision plate arranged between the outer shell and the cross beam, wherein an anti-collision device is arranged between the anti-collision plate and the outer plate, an energy-absorbing device is arranged between the anti-collision plate and the cross beam, the anti-collision device comprises a stress plate and a buffer block which are sequentially arranged, the stress plate and the buffer plate are respectively close to the outer shell and the anti-collision plate, and the stress plate uniformly distributes the impact force applied to the outer shell to the buffer block.
Preferably, the atress board is the buckled plate, the buckled plate front and back both sides face contacts with shell body and buffer block respectively, the buckled plate is whole to be the arc, and two apex angle positions about the car front portion are surpassed respectively at buckled plate both ends.
Preferably, the corrugated plate is formed by arranging upright and inverted trapezoidal plates at intervals, and the outer shell and the buffer block are respectively contacted with the top surfaces of the upright and inverted trapezoidal plates.
Preferably, the corrugated plate is formed by arranging upright and inverted semi-circular arc plates at intervals, and the outer shell and the buffer block are respectively contacted with the top surfaces of the upright and inverted circular arc plates.
Preferably, the corrugated plate is a carbon fiber plate.
Preferably, the buffer block is the block rubber, and fills the region between full buckled plate and the anticollision board, the block rubber suits with buckled plate shape of contact surface and buckled plate surface shape, the even anticollision board fixed connection of buckled plate and block rubber.
Preferably, the energy absorption device comprises rubber columns uniformly distributed between the anti-collision plate and the cross beam, two ends of each rubber column are respectively fixed with the anti-collision plate and the cross beam, and the anti-collision plate is fixedly connected with the cross beam through the rubber columns.
Preferably, the rubber columns are hollow cylinders, and the interval distance between two adjacent rubber columns is the diameter of one rubber column.
Preferably, a spring protection sleeve is sleeved outside the rubber column.
The anti-collision energy-absorbing automobile bumper adopting the technical scheme has the beneficial effects that:
1. the even distribution of the collision force that receives and transmit on with the shell body of atress board is to buffer block and anticollision board on, avoids shell body and buffer stop to take place local atress obvious and produce the problem of deformation.
2. Through the special structure of buckled plate, can be effectual with collision force evenly distributed to the buffer block on, and buckled plate self warp for a short time, when the buckled plate maintenance, only need through the plastic can. The tensile strength of the carbon fiber plate is several times of that of common steel, the elastic modulus of the carbon fiber plate is superior to that of the steel, the carbon fiber plate has excellent creep resistance, corrosion resistance and shock resistance, the carbon fiber plate has high strength, the mass of the carbon fiber plate is only 1/5 of steel, and the carbon fiber plate has high toughness.
3. The setting of a plurality of energy-absorbing rubber posts, effectual collision power and the kinetic energy of transmitting the anticollision board and coming absorb, and the rubber post is hollow cylinder, and when carrying out the energy-absorbing deformation, rubber post self warp the dynamics little, can realize the express delivery and kick-back.
Drawings
FIG. 1 is a schematic structural view of an anti-collision energy-absorbing automobile bumper according to the technical scheme of the invention,
fig. 2 is a schematic view of another embodiment of a corrugated plate.
Detailed Description
In order to facilitate the understanding of the technical solutions of the present invention for those skilled in the art, the technical solutions of the present invention will be further described with reference to the drawings attached to the specification.
As shown in fig. 1, the anti-collision energy-absorbing bumper of the technical scheme of the invention mainly comprises a cross beam 5, an outer shell 1 and an anti-collision plate 4 arranged between the outer shell 1 and the cross beam 5. The anti-collision plate 4 realizes the isolation between the outer shell 1 and the cross beam, and avoids the direct collision damage to the cross beam after the outer shell is deformed. When the bumper is installed, the cross beam is directly fixed on a longitudinal beam of a vehicle body through bolts, and then the outer shell 1 is installed in a system formed by the cross beam 5, namely the outer shell 1 and the cross beam 5 are installed. An anti-collision device is arranged between the anti-collision plate 4 and the outer plate 1, and an energy absorption device is arranged between the anti-collision plate 4 and the cross beam 5. The anti-collision device comprises a stress plate 2 and a buffer block 3 which are sequentially arranged, wherein the stress plate 2 and the buffer block 3 are respectively close to the outer shell 1 and the anti-collision plate 4. The impact force that receives with shell body 1 is evenly distributed to on the buffer block 3 to atress board 2. The outer shell 1 is received and the collision power and the kinetic energy of transmitting are dispersed to atress board 2 on the one hand, homodisperse is to buffer block 3 on, then the even transmission is for crashproof board 4, avoids crashproof board 4 to take place local atress and to lead to the problem of deformation, also avoids the atress board to give systems such as crossbeam 5 and automobile body and engine in it with inhomogeneous impact transmission, avoids systems such as engine to receive the loss, influences the operation of car. On the other hand, the stress plate 2 has good toughness, shock resistance and rebound resilience, and can effectively rebound impact force or collision force applied to the outer shell 1, so that the outer shell 1 is prevented from being deformed immediately due to rapid impact locally.
As shown in figure 1, the stress plate in the technical scheme of the invention is a corrugated plate or a wave plate, the front side surface and the rear side surface of the corrugated plate are respectively contacted with the outer shell 1 and the buffer block 3, the corrugated plate is integrally arc-shaped, and two ends of the corrugated plate respectively exceed the left vertex angle and the right vertex angle of the front part and the rear part of an automobile. In the collision of car, not only be very easily collided at the positive front portion of car back very much rear portion, also very easily collided at four apex angle positions of car, so, prolong the buckled plate to wrap up four apex angle positions of car, realize the protection of the shell body 1 of apex angle position and disperse to the impact that apex angle position shell body 1 received.
As shown in fig. 1, the corrugated plate 2 in the technical solution of the present invention in fig. 1 is composed of upright and inverted semi-circular arc plates 8 arranged at intervals, and the outer shell 1 and the buffer block 3 are respectively in contact with the top surfaces of the upright and inverted circular arc plates 8.
Referring to fig. 2, fig. 2 is a schematic structural view of an embodiment of a corrugated plate according to the present invention, in which the corrugated plate 21 is formed by arranging upright and inverted trapezoidal plates 81 at intervals, and the outer shell 1 and the buffer block 3 are in contact with the top surfaces of the upright and inverted trapezoidal plates 81, respectively.
Based on above-mentioned two sections technical scheme, its effect that has the buckled plate that circular arc board 8 is constituteed or the buckled plate of constituteing by trapezoidal board 81 all can disperse power, and 8 light in weight of buckled plate made by the carbon fiber board, greatly reduced the holistic weight of car.
As shown in figure 1, the buffer block 3 in the technical scheme of the invention is a rubber block and is filled in the area between the corrugated plate and the anti-collision plate 3, the shape of the contact surface of the rubber block 3 and the corrugated plate 2 is matched with the surface shape of the corrugated plate, and the corrugated plate 2 and the rubber block 3 are uniformly and fixedly connected with the anti-collision plate 4. 3 sides of block rubber are adapted to 2 shapes of buckled plate for buckled plate 2 can be quick, gapless, do not have the delaying with impact or kinetic energy transmission for the buffer block, simultaneously, buffer block 3 can play a supporting role to buckled plate 2.
As shown in fig. 1, the energy absorption device according to the technical scheme of the present invention includes rubber columns 6 uniformly distributed between an anti-collision plate 4 and a beam 5, two ends of the rubber columns 6 are respectively fixed to the anti-collision plate 4 and the beam 5 through fixing sleeves 9, the fixing sleeves 9 are respectively fixedly connected to opposite side surfaces of the anti-collision plate 4 and the beam 5, and the anti-collision plate 4 is fixedly connected to the beam 5 through the rubber columns 6. The anti-collision plate 4 is not connected with the outer shell, so that the anti-collision plate 4 can generate relative micro displacement and deformation under the action of collision force and inertia when in collision, the displacement and the deformation just offset or relatively inhibit the deformation and the displacement of the outer shell 1, the outer shell 1 is prevented from generating large deformation or displacement in the moment of collision, the outer shell is prevented from deforming rapidly, a lagging reaction is provided for the whole automobile body by colleagues, and huge vibration of the automobile body is prevented from being generated in the moment of collision.
As shown in fig. 1, the rubber column 6 of the present invention is a hollow cylinder, and the distance between two adjacent rubber columns is the diameter of one rubber column. The outside of the rubber column 6 is sleeved with a spring protection sleeve 7. The spring protection sleeve 7 protects the rubber column 6, and avoids the rubber column 6 from deforming during automobile collision or losing the effect of the rubber column due to the fact that the rubber column collapses caused by too large deformation. The distance between the two rubber columns can ensure that the rubber columns have enough space to deform when the automobile collides, so that the two rubber columns are prevented from being extruded relatively.
Technical solution of the invention is described above with reference to the accompanying drawings, it is obvious that the specific implementation of the invention is not limited by the above-mentioned manner, and it is within the scope of the invention to adopt various insubstantial modifications of the inventive method concept and technical solution, or to apply the inventive concept and technical solution to other occasions without modification.
Claims (9)
1. The utility model provides an anticollision energy-absorbing car bumper, its characterized in that mainly includes crossbeam, shell body and sets up the crashproof board between shell body and crossbeam, be provided with buffer between crashproof board and the outside board, be provided with the energy-absorbing device between crashproof board and the crossbeam, buffer includes the atress board and the buffer block that set gradually, atress board and buffer block are close to shell body and crashproof board setting respectively, the atress board evenly distributed to the buffer block with the impact that the shell body received.
2. The anti-collision energy-absorbing automobile bumper as claimed in claim 1, wherein the stress plate is a corrugated plate, the front side surface and the rear side surface of the corrugated plate are respectively in contact with the outer shell and the buffer block, the corrugated plate is integrally arc-shaped, and two ends of the corrugated plate respectively exceed the left vertex angle and the right vertex angle of the front part of the automobile.
3. The crash-proof energy-absorbing automobile bumper as claimed in claim 2, wherein the corrugated plates are formed by arranging upright and inverted trapezoidal plates at intervals, and the outer shell and the buffer block are respectively in contact with the top surfaces of the upright and inverted trapezoidal plates.
4. An anti-collision energy-absorbing automobile bumper according to claim 2, characterized in that the corrugated plates are formed by spacing upright and inverted semi-circular arc plates, and the outer shell and the buffer block are respectively contacted with the top surfaces of the upright and inverted circular arc plates.
5. The anti-collision energy-absorbing automobile bumper as claimed in claim 2, wherein the corrugated plates are carbon fiber plates.
6. An anti-collision energy-absorbing automobile bumper according to claim 1, wherein the buffer block is a rubber block and is filled in the area between the corrugated plate and the anti-collision plate, the shape of the contact surface of the rubber block and the corrugated plate is matched with the shape of the surface of the corrugated plate, and the corrugated plate and the rubber block are fixedly connected with the anti-collision plate uniformly.
7. The anti-collision energy-absorbing automobile bumper as claimed in claim 1, wherein the energy-absorbing device comprises rubber columns uniformly distributed between the anti-collision plate and the beam, two ends of each rubber column are respectively fixed with the anti-collision plate and the beam, and the anti-collision plate is fixedly connected with the beam through the rubber columns.
8. An energy-absorbing bumper as claimed in claim 7, wherein said columns are hollow cylinders, and the distance between two adjacent columns is equal to the diameter of one column.
9. The anti-collision energy-absorbing automobile bumper as claimed in claim 7, wherein a spring protection sleeve is sleeved outside the rubber column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911065260.6A CN110816451B (en) | 2019-11-04 | 2019-11-04 | Anti-collision energy-absorbing automobile bumper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911065260.6A CN110816451B (en) | 2019-11-04 | 2019-11-04 | Anti-collision energy-absorbing automobile bumper |
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| Publication Number | Publication Date |
|---|---|
| CN110816451A true CN110816451A (en) | 2020-02-21 |
| CN110816451B CN110816451B (en) | 2021-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911065260.6A Active CN110816451B (en) | 2019-11-04 | 2019-11-04 | Anti-collision energy-absorbing automobile bumper |
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| CN107901861A (en) * | 2017-11-02 | 2018-04-13 | 广西宏兴机械有限公司 | A kind of automobile front anti-collision boom device |
| CN109703497A (en) * | 2019-01-11 | 2019-05-03 | 芜湖名阳机械制造有限公司 | A kind of anti-collision energy absorption bumper |
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2019
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| Publication number | Priority date | Publication date | Assignee | Title |
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| FR2832110A1 (en) * | 2001-11-15 | 2003-05-16 | Faurecia Ind | Automobile bumper beam extends along directrix line and comprises front and rear walls and strut structure comprising wave extending along directrix line between walls |
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| KR20140037709A (en) * | 2012-09-19 | 2014-03-27 | 주식회사 성우하이텍 | Energy absorber and bumper unit using the same for vehicle |
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| Publication number | Publication date |
|---|---|
| CN110816451B (en) | 2021-09-14 |
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Address after: 236000 No.39 Chaohu Road, Fuyang Hefei modern industrial park, Yingzhou District, Fuyang City, Anhui Province Patentee after: Fuyang Maowo New Material Technology Co.,Ltd. Address before: 236000 No.39 Chaohu Road, Fuyang Hefei modern industrial park, Yingzhou District, Fuyang City, Anhui Province Patentee before: Fuyang Dongsheng Auto Parts Co.,Ltd. |