CN211139237U - Automobile anti-collision device - Google Patents
Automobile anti-collision device Download PDFInfo
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- CN211139237U CN211139237U CN201921518253.2U CN201921518253U CN211139237U CN 211139237 U CN211139237 U CN 211139237U CN 201921518253 U CN201921518253 U CN 201921518253U CN 211139237 U CN211139237 U CN 211139237U
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- collision
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- energy absorption
- collision beam
- absorption box
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Abstract
The utility model discloses an automobile anti-collision device, which comprises a collision beam, a frame girder and an energy absorption box arranged between the collision beam and the frame girder and used for absorbing collision energy; the energy absorption boxes are arranged at two ends of the collision beam; the energy absorption box comprises an energy absorption box, a first collision beam, a second collision beam and a buffer piece, wherein the collision beam comprises the first collision beam arranged at the front end, the second collision beam arranged at the rear end and the buffer piece which is connected between the first collision beam and the second collision beam and used for reducing impact force generated by collision, and the second collision beam is connected with the energy absorption box; the energy absorption box is provided with a prefabricated fracture part which is used for breaking when the collision force exceeds the preset force, and the prefabricated fracture part is formed by sinking the surface of the energy absorption box to the center. The anti-collision device can effectively absorb collision energy generated during collision of the automobile, has higher impact resistance, and effectively protects the automobile from being damaged and protects the personal safety of passengers.
Description
Technical Field
The utility model relates to an automobile manufacturing field, concretely relates to car buffer stop.
Background
With the continuous development of science and technology, automobiles become popular vehicles, and with the increase of automobiles, traffic accidents are continuously increased, so that the safety aspect of automobiles is particularly important, wherein an anti-collision beam plays an important role.
The anti-collision beam is a device for reducing the impact energy absorbed when a vehicle is collided, effectively absorbs the impact energy when the vehicle is collided at a low speed, reduces the damage of impact force to a vehicle body and passengers as far as possible, and plays a role in protecting the vehicle and the passengers. The existing automobile anti-collision beam mainly has the following problems:
1. at present, most of anti-collision beams are made of steel plates, so that the anti-collision beams are large in mass, low in toughness, large in rigidity and poor in energy absorption effect, and cannot effectively reduce collision energy.
2. Most of the existing anti-collision beams do not have too high impact resistance, so that an automobile engine cabin is damaged, and the maintenance cost is high.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the problem that above-mentioned exists, provide a car buffer stop, this buffer stop can absorb the collision energy when the car collides effectively, possesses higher impact resistance again, effectively protects the vehicle not damaged and protection passenger personal safety.
The purpose of the utility model is realized through the following technical scheme:
an automobile anti-collision device comprises a collision beam, a frame crossbeam and an energy absorption box which is arranged between the collision beam and the frame crossbeam and is used for absorbing collision energy; the energy absorption boxes are arranged at two ends of the collision beam; wherein the content of the first and second substances,
the collision beam comprises a first collision beam arranged at the front end, a second collision beam arranged at the rear end and a buffer piece which is connected between the first collision beam and the second collision beam and used for reducing impact force generated by collision, and the second collision beam is connected with the energy absorption box;
the energy absorption box is provided with a prefabricated fracture part which is used for breaking when the collision force exceeds the preset force, and the prefabricated fracture part is formed by sinking the surface of the energy absorption box to the center.
The working principle of the automobile anti-collision device is as follows:
when an automobile collides, the received impact force firstly reaches the first collision beam and then is transmitted to the stabilizing piece, after the buffering piece offsets partial energy, the rest energy is transmitted to two ends of the second collision beam and then reaches the energy absorption box, and because the prefabricated fracture part is arranged on the energy absorption box and is formed by sinking the surface of the energy absorption box to the center, the energy reaching the energy absorption box firstly can cause the prefabricated fracture part to deform for consuming energy; specifically, when the energy reaching the energy absorption box is not large, the prefabricated fracture part elastically deforms to offset the residual energy; when the energy of the energy absorption box is larger and even exceeds the preset force of the prefabricated fracture part, after the prefabricated fracture part generates elastic deformation to offset partial energy, the prefabricated fracture part continues to generate plastic deformation until the prefabricated fracture part is fractured, so that a large amount of energy is dissipated, the impact energy transmitted to a frame girder is effectively reduced, and the vehicle is protected from being damaged and the personal safety of passengers is protected.
The utility model discloses a preferred scheme, wherein, the bolster is cellular and even connection first collision roof beam with between the second collision roof beam. The buffer piece adopts a honeycomb shape and can also uniformly absorb energy generated by collision, the stability of the first collision beam and the second collision beam is effectively improved, and the impact resistance is improved.
The utility model discloses a preferred scheme, wherein, the bolster is "S" shape elastic steel sheet, the "S" shape one end of bolster with first collision roof beam is connected, the other end with the second collision roof beam is connected, the bolster is a plurality of, and align to grid is in first collision roof beam with between the second collision roof beam, form the cavity structure between two adjacent bolsters. By adopting the S-shaped elastic steel sheet, the energy generated by partial collision can be offset by utilizing the elasticity of the buffer piece; the plurality of buffer parts are uniformly arranged, so that the elastic steel sheet can uniformly absorb energy generated by collision, and the weight can be reduced.
Preferably, a reinforcing member for improving the strength of the second collision beam is arranged on one side of the second collision beam close to the frame girder, and the structure can be stabilized by improving the rigidity of the second collision beam, so that the second collision beam is prevented from being damaged by excessive collision energy and directly damaging a vehicle body.
Furthermore, the reinforcing piece is a reinforcing plate, the reinforcing plate is vertically connected with the second collision beam, and two ends of the reinforcing plate respectively extend to the energy absorption box. In the above structure, the reinforcing plate has the strongest bending resistance in the plane of the plate surface, which contributes to the bending resistance of the reinforcing plate and greatly increases the strength and deformation resistance of the second impact beam.
Furthermore, the reinforcing plates are arranged in parallel and are uniformly arranged along the width direction of the second anti-collision beam, and the structure is more stable, so that the strength and the bending resistance of the second anti-collision beam are further improved.
Preferably, the first collision beam and the second collision beam are arranged in an arc shape, the arc shape protrudes outwards relative to the frame girder, and the arc shape has the function of better transmitting energy generated by collision to two ends of the collision beam to the energy absorption box.
Preferably, a bottom plate is arranged between the energy absorption box and the frame girder, the bottom plate is fixedly connected with the energy absorption box, and the bottom plate is connected with the frame girder through bolts. Adopt above-mentioned structure to be favorable to buffer stop's installation and dismantlement.
Preferably, a buffer cushion for buffering collision energy is arranged between the base plate and the frame girder, and the buffer cushion has the function that the base plate can be flexibly connected with the frame girder, so that part of energy can be counteracted when an automobile collides, a buffering function is realized, and the base plate and the frame girder are protected from being damaged.
Preferably, the cushion pad is made of rubber, and the material has strong elasticity, and is greatly deformed under the action of external force, so that the cushion pad has good cushion performance.
Preferably, the first collision beam and the second collision beam are made of aluminum magnesium alloy, and the material has high strength, high rigidity, strong shock resistance and corrosion resistance.
Compared with the prior art, the utility model following beneficial effect has:
1. the utility model provides an anticollision roof beam is through setting up the bolster in the middle of first anticollision roof beam and second anticollision roof beam, can offset the energy that partial collision produced through the bolster, makes the collision roof beam have good shock resistance ability power.
2. The utility model discloses a set up prefabricated fracture portion on the energy-absorbing box, the energy that reachs on the energy-absorbing box can make prefabricated fracture portion warp at first and consume energy, and the energy that produces when can effectual absorption car collision protects the vehicle can not damaged and protect passenger personal safety.
Drawings
Fig. 1 is a schematic structural diagram of a first specific embodiment of an automobile anti-collision device in the present invention.
Fig. 2 is a partially enlarged view of a portion a in fig. 1.
Fig. 3 is a sectional view taken along the direction B-B in fig. 1.
Fig. 4 is a schematic structural diagram of a second embodiment of the anti-collision device for a vehicle according to the present invention.
Detailed Description
In order to make those skilled in the art understand the technical solution of the present invention well, the present invention will be further described below with reference to the following examples and drawings, but the embodiments of the present invention are not limited thereto.
Example 1
Referring to fig. 1-2, an anti-collision device for an automobile comprises a collision beam 1, a frame member 2, and an energy absorption box 3 disposed between the collision beam 1 and the frame member 2 for absorbing collision energy; the energy absorption boxes 3 are arranged at two ends of the collision beam 1; the collision beam 1 comprises a first collision beam 1-1 arranged at the front end, a second collision beam 1-2 arranged at the rear end and a buffer member 1-3 which is arranged between the first collision beam 1-1 and the second collision beam 1-2 and used for reducing impact force generated by collision, wherein the second collision beam 1-2 is connected with the energy absorption box 3; the energy absorption box 3 is provided with a prefabricated fracture part 3-1 which is used for breaking when the collision force exceeds the preset force, and the prefabricated fracture part 3-1 is formed by sinking the surface of the energy absorption box 3 to the center.
Referring to fig. 1-2, the buffering members 1-3 are S-shaped elastic steel sheets, one end of each S-shape of the buffering member 1-3 is connected to the first collision beam 1-1, the other end of each S-shape is connected to the second collision beam 1-2, the buffering members 1-3 are multiple and are uniformly arranged between the first collision beam 1-1 and the second collision beam 1-2, and a cavity structure is formed between two adjacent buffering members 1-3. Energy generated by partial collision can be offset by adopting the S-shaped elastic steel sheet and utilizing the self elasticity of the buffer parts 1-3; the plurality of buffer parts 1-3 are uniformly arranged, so that the elastic steel sheets uniformly absorb energy generated by collision, and the weight can be reduced.
Referring to fig. 1 to 3, a reinforcing member 4 for improving the strength of the second impact beam 1-2 is provided on a side of the second impact beam 1-2 adjacent to the frame member 2, which is advantageous in that the rigidity of the second impact beam 1-2 is improved, and the structure can be stabilized to prevent the second impact beam 1-2 from being damaged by excessive impact energy and directly damaging the vehicle body.
Referring to fig. 1 to 3, the reinforcing member 4 is a reinforcing plate, the reinforcing plate is perpendicularly connected to the second impact beam 1-2, and two ends of the reinforcing plate respectively extend to the energy-absorbing box 3. In the above structure, the reinforcing plate has the strongest bending resistance in the plane of the plate surface, which greatly increases the strength and deformation resistance of the second impact beam 1-2 by taking advantage of the bending resistance of the reinforcing plate.
Referring to fig. 1 to 3, the reinforcing plates are arranged in parallel and are uniformly arranged in the width direction of the second impact beam, which is advantageous in that the structure can be more stable, and the strength and bending resistance of the second impact beam 1-2 can be further improved.
Referring to fig. 1-2, the first impact beam 1-1 and the second impact beam 1-2 are configured as an arc shape, the arc shape protrudes outward relative to the frame member 2, and the function of the arc shape is to better transmit energy generated by an impact to both ends of the impact beam 1 and reach the energy-absorbing box 3.
Referring to fig. 1-2, a bottom plate 5 is arranged between the energy absorption box 3 and the frame member 2, the bottom plate 5 is fixedly connected with the energy absorption box 3, and the bottom plate 5 is connected with the frame member 2 through bolts 6. Adopt above-mentioned structure to be favorable to buffer stop's installation and dismantlement.
Referring to fig. 1-2, a buffer 7 for buffering collision energy is disposed between the base plate 5 and the frame member 2, and functions in that the base plate 5 and the frame member 2 can be flexibly connected through the buffer 7, so that when an automobile collides, a part of energy can be offset, a buffering function is achieved, and the base plate 5 and the frame member 2 are protected from being damaged.
Referring to fig. 1-2, the cushion pad 7 is made of rubber, and the material has strong elasticity, and is largely deformed under the action of an external force, so that the cushion pad has good cushion performance.
Referring to fig. 1 to 2, the first impact beam 1-1 and the second impact beam 1-2 are made of aluminum-magnesium alloy, which has high strength, high rigidity, strong shock resistance and corrosion resistance.
Referring to fig. 1-2, the working principle of the vehicle anti-collision device is as follows:
when an automobile is collided, the received impact force firstly reaches the first collision beam 1-1 and then is transmitted to the stabilizing piece, after part of energy is offset by the buffer piece 1-3, the rest energy is transmitted to the two ends of the second collision beam 1-2 and then reaches the energy absorption box 3, and as the prefabricated fracture part 3-1 is arranged on the energy absorption box 3, the prefabricated fracture part 3-1 is formed by sinking the surface of the energy absorption box 3 to the center, the energy reaching the energy absorption box 3 firstly causes the prefabricated fracture part 3-1 to deform for consuming energy; specifically, when the energy reaching the energy absorption box 3 is not large, the prefabricated fracture part 3-1 elastically deforms to offset the residual energy; when the energy of the energy absorption box 3 is larger and even exceeds the preset force of the prefabricated fracture part 3-1, after the prefabricated fracture part 3-1 is elastically deformed to offset partial energy, the prefabricated fracture part continues to be plastically deformed until the prefabricated fracture part is fractured, so that a large amount of energy is dissipated, the impact energy transmitted to the frame girder 2 is effectively reduced, and the vehicle is protected from being damaged and the personal safety of passengers is protected.
Example 2
Referring to fig. 4, unlike embodiments 1 and 2, the bumper 1-3 is honeycomb-shaped and uniformly coupled between the first impact beam 1-1 and the second impact beam 1-2. The stabilizing part is in a honeycomb shape, can also uniformly absorb energy generated by collision, effectively improves the stability of the first collision beam 1-1 and the second collision beam 1-2, and improves the impact resistance.
The above is the preferred embodiment of the present invention, but the embodiment of the present invention is not limited by the above, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.
Claims (10)
1. An automobile anti-collision device is characterized by comprising a collision beam, a frame girder and an energy absorption box which is arranged between the collision beam and the frame girder and is used for absorbing collision energy; the energy absorption boxes are arranged at two ends of the collision beam; wherein the content of the first and second substances,
the collision beam comprises a first collision beam arranged at the front end, a second collision beam arranged at the rear end and a buffer piece which is connected between the first collision beam and the second collision beam and used for reducing impact force generated by collision, and the second collision beam is connected with the energy absorption box;
the energy absorption box is provided with a prefabricated fracture part which is used for breaking when the collision force exceeds the preset force, and the prefabricated fracture part is formed by sinking the surface of the energy absorption box to the center.
2. The automotive impact protection device of claim 1, wherein the bumper is cellular and uniformly connected between the first impact beam and the second impact beam.
3. The automobile anti-collision device according to claim 1, wherein the buffer members are S-shaped elastic steel sheets, one end of the S-shape of each buffer member is connected with the first collision beam, the other end of the S-shape of each buffer member is connected with the second collision beam, the plurality of buffer members are uniformly arranged between the first collision beam and the second collision beam, and a cavity structure is formed between every two adjacent buffer members.
4. The automobile impact prevention device according to claim 2 or 3, wherein a reinforcement for improving the strength of the second impact beam is provided on a side of the second impact beam adjacent to the frame side.
5. The automobile anti-collision device according to claim 4, wherein the reinforcement is a reinforcement plate, the reinforcement plate is vertically connected with the second collision beam, and two ends of the reinforcement plate respectively extend to the energy absorption box.
6. The automobile impact prevention device according to claim 5, wherein the reinforcement plate is provided in plurality and in parallel, and is arranged uniformly in a width direction of the second impact beam.
7. The automotive impact protection device of claim 6, wherein said first impact beam and said second impact beam are arranged in an arc shape that is convex outward with respect to said frame rails.
8. The automobile anti-collision device according to claim 7, wherein a bottom plate is arranged between the energy absorption box and the frame member, the bottom plate is fixedly connected with the energy absorption box, and the bottom plate is connected with the frame member through bolts.
9. The bumper assembly of claim 8, wherein a cushion is disposed between the floor and the frame rails for cushioning impact energy.
10. The automotive impact protection device of claim 9, wherein the first and second impact beams are made of aluminum magnesium alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921518253.2U CN211139237U (en) | 2019-09-11 | 2019-09-11 | Automobile anti-collision device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921518253.2U CN211139237U (en) | 2019-09-11 | 2019-09-11 | Automobile anti-collision device |
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| Publication Number | Publication Date |
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| CN211139237U true CN211139237U (en) | 2020-07-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921518253.2U Active CN211139237U (en) | 2019-09-11 | 2019-09-11 | Automobile anti-collision device |
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| CN (1) | CN211139237U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20230000642A (en) * | 2021-06-25 | 2023-01-03 | (주)일지테크 | Equipped with shearpins vehicle front collision shock absorber |
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2019
- 2019-09-11 CN CN201921518253.2U patent/CN211139237U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20230000642A (en) * | 2021-06-25 | 2023-01-03 | (주)일지테크 | Equipped with shearpins vehicle front collision shock absorber |
| KR102521318B1 (en) | 2021-06-25 | 2023-04-13 | (주)일지테크 | Equipped with shearpins vehicle front collision shock absorber |
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