CN109263586B - Front-mounted energy absorption device of anti-fragmentation car by utilizing air pressure reset - Google Patents
Front-mounted energy absorption device of anti-fragmentation car by utilizing air pressure reset Download PDFInfo
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- CN109263586B CN109263586B CN201811055310.8A CN201811055310A CN109263586B CN 109263586 B CN109263586 B CN 109263586B CN 201811055310 A CN201811055310 A CN 201811055310A CN 109263586 B CN109263586 B CN 109263586B
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- left end
- right end
- air pressure
- energy absorption
- bumper
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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
- 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
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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
- 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
- B60R19/20—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 containing mainly gas or liquid, e.g. inflatable
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/34—Protecting non-occupants of a vehicle, e.g. pedestrians
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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
- 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
- B60R2019/1806—Structural beams therefor, e.g. shock-absorbing
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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
- 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
- B60R2019/186—Additional energy absorbing means supported on bumber beams, e.g. cellular structures or material
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vibration Dampers (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention discloses a front energy absorption device of a car, which utilizes air pressure to reset and prevent fragmentation, and the structure of the front energy absorption device comprises a car body, a power device and a front energy absorption device.
Description
Technical Field
The invention relates to a front-mounted energy absorption device of a car, which is reset by air pressure and is used for preventing fragmentation, and belongs to the field of car energy absorption devices.
Background
The car is popularized in daily life at present, a front energy absorption device is generally a combination of a foam cushion and a plastic bumper arranged at the front end of the car, when the car runs at low speed, if a pedestrian is collided, because the plastic bumper does not have a moving space for recycling, and the plastic bumper is made of polypropylene plastics, in order to reduce the damage of the pedestrian, the impact force on the pedestrian is reduced by the bumper in a fragmentation mode.
However, the existing car energy absorption device has the following disadvantages:
when the car runs at a low speed (the speed per hour is lower than 20km/h), if the car collides with a pedestrian, the energy absorption device can effectively reduce the damage of the pedestrian, and because the bumper does not have a retraction relieving space and is made of polypropylene plastic, the bumper mostly reduces the impact force in a self-damaged and cracked mode, and is a car wearing part, and the whole replacement is often needed, so the expense is increased.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a front-mounted energy absorption device of a car, which is reset by air pressure and is anti-fragmentation, so as to solve the problem that when the car runs at a low speed (the speed per hour is lower than 20km/h), if the car collides with a pedestrian, the energy absorption device can effectively reduce the damage of the pedestrian, and because the bumper does not have a retraction relieving space and is made of polypropylene plastic, the bumper mostly reduces the impact force in a self-damaged and fragmented mode, and is a car wearing part, and the cost is increased because the bumper is usually required to be integrally replaced.
In order to achieve the purpose, the invention is realized by the following technical scheme: a front-mounted energy-absorbing device of a car for preventing fragmentation by utilizing air pressure resetting structurally comprises a car body, a power device and a front energy-absorbing device,
the right end of the vehicle body is fixedly connected with the left end of the power device, the right end of the vehicle body is mechanically connected with the interior of the power device, and the right end of the power device is connected with the left end of the front energy absorption device; the front energy absorption device is composed of a bumper device and a reset energy absorption device, the outer wall of the left end of the bumper device is connected with the right end of the power device through a clamping groove, the outer wall of the left end of the bumper device is in clearance fit with the outer wall of the right end of the power device, the right end of the reset energy absorption device is fixedly connected with the left end of the bumper device, the left end of the reset energy absorption device is mechanically connected with the right end of the power device, and the bumper device can reduce the damage of a collided person when the car is impacted at a low speed.
The bumper device is characterized by comprising a memory thin plate and an anti-collision plate, wherein the right end of the memory thin plate is attached to the left end of the anti-collision plate, the left end of the memory thin plate is fixedly connected with a resetting energy-absorbing device, and the memory thin plate is made of memory alloy and can be restored to an initial shape after being deformed by external force.
It is showing, the energy-absorbing device that resets comprises cystosepiment, spring beam, atmospheric pressure restorer, the spring beam right-hand member is connected for perpendicular with the cystosepiment left end, the spring beam left end welds with atmospheric pressure restorer right-hand member mutually, the cystosepiment right-hand member is connected with the bumper device, the cystosepiment adopts the foam material, has certain shock-absorbing capacity, can reduce the impact force.
The left end of the bumper device is connected with the right end of the resetting energy absorption device, the bumper device is provided with a memory thin plate, the left end of the memory thin plate is connected with the power device, the power device is provided with a foam plate, and the left end of the memory thin plate is bonded with the right end of the foam plate.
It is showing, atmospheric pressure restorer comprises fixed frame, atmospheric pressure hose, telescopic link, pressure ball, dead lever, fixed frame inner wall left end is sealing connection with the atmospheric pressure hose left end, the atmospheric pressure hose outer wall is connected through the telescopic link with fixed frame inner wall, the pressure ball outer wall is interference fit with the atmospheric pressure hose inner wall, pressure ball right-hand member welds with the dead lever left end, the atmospheric pressure hose adopts rubber materials, has certain elasticity, can laminate extrusion object well when receiving extrusion deformation.
Advantageous effects
When the automobile bumper plate is used, when an automobile body collides with a pedestrian in a low-speed driving process, the bumper plate is stressed at first, the memory thin plate is adhered to the bumper plate, the memory thin plate is stressed to squeeze the foam plate leftwards, the spring rod retracts under stress at the moment, the fixing rod and the pressure ball slide leftwards, the fixing frame is fixedly connected to the right side of the power device, the pressure ball is wrapped by the air pressure hose, the telescopic rod is matched with the pressure ball to move to cling to the outer wall of the air pressure hose to stretch out and draw back, the bumper plate retracts leftwards after being collided with the pedestrian for a certain distance, the risk of fragmentation is reduced, if the automobile bumper plate is used again, the right end of the air pressure hose is spread, a gap is formed between the air pressure hose and the pressure ball, the fixing rod is pulled rightwards, the bumper plate returns to the original position, fine adjustment can be restored for reuse, collision fragmentation is avoided, and the whole is replaced.
Compared with the prior art, the invention has the beneficial effects that:
when a car collides with a pedestrian in the low-speed driving process, after the anti-collision plate is stressed, the fixing rod and the pressure ball slide leftwards through force transmission, so that the anti-collision plate is far away from the pedestrian, the phenomenon that the anti-collision plate is tightly attached to the pedestrian during braking and is cracked due to too much stress is avoided, the integrity of the anti-collision plate after collision is improved, meanwhile, after the anti-collision plate slides leftwards, a certain retraction space exists, and after recovery operation, the anti-collision plate can be completely reused while absorbing energy during low-speed collision by matching with recovery of a memory thin plate, materials are saved, and the replacement expense is reduced.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic structural view of a front energy absorption device of a car for preventing fragmentation by air pressure resetting according to the present invention;
FIG. 2 is a top cross-sectional view of a front energy absorber device 3 according to the present invention;
fig. 3 is an enlarged view of the pneumatic repositioner of fig. 2 according to the present invention.
In the figure: the energy-absorbing device comprises a vehicle body-1, a power device-2, a front energy-absorbing device-3, a bumper device-31, a reset energy-absorbing device-32, a memory thin plate-311, an anti-collision plate-312, a foam plate-321, a spring rod-322, an air pressure restorer-323, a fixed frame-A, an air pressure hose-B, a telescopic rod-C, a pressure ball-D and a fixed rod-E.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Referring to fig. 1, the present invention provides a technical solution of a front energy absorption device of a car, which utilizes air pressure to reset and prevent fragmentation, wherein the front energy absorption device comprises: the structure of the energy-saving vehicle comprises a vehicle body 1, a power device 2 and a front energy absorption device 3,
the right end of the vehicle body 1 is fixedly connected with the left end of the power device 2, the right end of the vehicle body 1 is mechanically connected with the inside of the power device 2, and the right end of the power device 2 is connected with the left end of the front energy absorption device 3; the front energy absorption device 3 is composed of a bumper device 31 and a reset energy absorption device 32, the outer wall of the left end of the bumper device 31 is connected with the right end of the power device 2 through a clamping groove, the outer wall of the left end of the bumper device 31 is in clearance fit with the outer wall of the right end of the power device 2, the right end of the reset energy absorption device 32 is fixedly connected with the left end of the bumper device 31, the left end of the reset energy absorption device 32 is mechanically connected with the right end of the power device 2, and the bumper device 31 can reduce the damage of a collided person when the car is impacted at a low speed.
Referring to fig. 2, the bumper device 31 is composed of a memory thin plate 311 and an anti-collision plate 312, the right end of the memory thin plate 311 is attached to the left end of the anti-collision plate 312, the left end of the memory thin plate 311 is fixedly connected with the energy-restoring device 32, the memory thin plate 311 is made of a memory alloy material, and can be restored to an original shape after being deformed by an external force, the combination of the memory thin plate and the anti-collision plate increases the feasibility of restoring the anti-collision plate after being deformed, prevents the anti-collision plate from being difficult to restore after being deformed, and reduces the overall replacement expense.
Referring to fig. 2, the energy-absorbing and restoring device 32 is composed of a foam board 321, a spring rod 322, and an air pressure restorer 323, wherein the right end of the spring rod 322 is vertically connected with the left end of the foam board 321, the left end of the spring rod 322 is welded with the right end of the air pressure restorer 323, the right end of the foam board 321 is connected with the bumper device 31, and the foam board 321 is made of foam, has a certain buffering performance, can reduce impact force, increase the transmission distance of the impact force, and effectively reduces the damage of the impact to the human body.
The left end of the bumper device 31 is connected with the right end of the resetting energy absorption device 32, the bumper device 31 is provided with a memory thin plate 311, the left end of the memory thin plate 311 is connected with the power device 2, the power device 2 is provided with a foam plate 321, and the left end of the memory thin plate 311 is bonded with the right end of the foam plate 321.
Please refer to fig. 3, the pneumatic repositor 323 comprises a fixing frame a, a pneumatic hose B, a telescopic rod C, a pressure ball D and a fixing rod E, wherein the left end of the inner wall of the fixing frame a is hermetically connected with the left end of the pneumatic hose B, the outer wall of the pneumatic hose B is connected with the inner wall of the fixing frame a through the telescopic rod C, the outer wall of the pressure ball D is in interference fit with the inner wall of the pneumatic hose B, the right end of the pressure ball D is welded with the left end of the fixing rod E, the pneumatic hose B is made of rubber material and has certain flexibility, and an extruded object can be well attached to the pneumatic hose B when being extruded and deformed.
When the vehicle body 1 collides with a pedestrian during low-speed driving, the anti-collision plate 312 is firstly stressed, the memory thin plate 311 is stressed to press the foam plate 321 leftwards due to the adhesion of the memory thin plate 311 and the anti-collision plate 312, the spring rod 322 is stressed to retract at the moment, the fixing rod E and the pressure ball D slide leftwards, the fixing frame A is fixedly connected to the right side of the power device 2, the pressure hose B wraps the pressure ball D, the telescopic rod C is matched with the movement of the pressure ball D to stretch and contract tightly against the outer wall of the pressure hose B, the anti-collision plate 312 retracts leftwards after being impacted with the pedestrian for a certain distance, the risk of fragmentation is reduced, if the vehicle body is to be reused, the right end of the pressure hose B is propped open, the pressure hose B and the pressure ball D have a gap, the fixing rod E is pulled out rightwards, the anti-collision plate 312 returns to the original position, and can be recovered for reuse after fine adjustment, avoid striking cracked, change the whole.
The invention solves the problems that when a car runs at low speed (the speed per hour is lower than 20km/h), if the car collides with a pedestrian, an energy absorption device can effectively reduce the damage of the pedestrian, because the bumper has no retraction relieving space and is made of polypropylene plastic, the bumper mostly reduces the impact force in a self-damage and fragmentation mode at the time, is a car wearing part and is generally required to be integrally replaced and increases the expenditure, through the mutual combination of the components, when the car collides with the pedestrian in the low-speed running process, the fixed rod and the pressure ball slide leftwards through the force transmission after the crash board is stressed, so that the crash board is far away from the pedestrian, the crash board is prevented from clinging to the pedestrian during braking and is prevented from being excessively stressed to cause the fragmentation phenomenon, the integrity of the crash board after collision is improved, meanwhile, a certain retraction space exists after the crash board slides leftwards, and after the recovery operation, the recovery of the memory thin plate is matched, so that the anti-collision plate can be completely reused while absorbing energy during low-speed collision, the material is saved, and the replacement expense is reduced.
The foregoing merely illustrates the principles and preferred embodiments of the invention and many variations and modifications may be made by those skilled in the art in light of the foregoing disclosure, which are intended to be within the scope of the invention.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (2)
1. The utility model provides an utilize the preceding energy-absorbing device of cracked car of atmospheric pressure reposition of redundant personnel, its structure includes automobile body (1), power device (2), preceding energy-absorbing device (3), its characterized in that: the right end of the vehicle body (1) is fixedly connected with the left end of the power device (2), the right end of the vehicle body (1) is mechanically connected with the interior of the power device (2), and the right end of the power device (2) is connected with the left end of the front energy absorption device (3); the front energy absorption device (3) is composed of a bumper device (31) and a reset energy absorption device (32), the outer wall of the left end of the bumper device (31) is connected with the right end of a power device (2) through a clamping groove, the left end of the bumper device (31) is in clearance fit with the outer wall of the right end of the power device (2), the right end of the reset energy absorption device (32) is fixedly connected with the left end of the bumper device (31), the left end of the reset energy absorption device (32) is in mechanical connection with the right end of the power device (2), the bumper device (31) is composed of a memory thin plate (311) and an anti-collision plate (312), the right end of the memory thin plate (311) is attached to the left end of the anti-collision plate (312), the left end of the memory thin plate (311) is fixedly connected with the reset energy absorption device (32), and the reset device (32) is composed of a foam plate (321), a spring rod (322) and an air pressure restorer (323), the spring rod (322) right end is connected with the left end of the foam board (321) vertically, the spring rod (322) left end is welded with the air pressure restorer (323) right end, the foam board (321) right end is connected with the bumper device (31), the bumper device (31) left end is connected with the resetting energy-absorbing device (32) right end, the bumper device (31) is provided with a memory thin plate (311), the memory thin plate (311) left end is connected with the power device (2), the power device (2) is provided with the foam board (321), the memory thin plate (311) left end is bonded with the foam board (321) right end, the air pressure restorer (323) is composed of a fixed frame (A), an air pressure hose (B), a telescopic rod (C), a pressure ball (D) and a fixed rod (E), the fixed frame (A) inner wall left end is connected with the air pressure hose (B) left end in a sealing manner, the pneumatic hose (B) outer wall is connected with the fixed frame (A) inner wall through a telescopic rod (C), the pressure ball (D) outer wall is in interference fit with the pneumatic hose (B) inner wall, and the pressure ball (D) right end is welded with the fixed rod (E) left end.
2. The front energy absorption device of the car for preventing the fragmentation by utilizing the air pressure resetting as claimed in claim 1 is characterized in that: when the vehicle body (1) collides with a pedestrian in the low-speed driving process, the anti-collision plate (312) is stressed firstly, the memory thin plate (311) is bonded with the anti-collision plate (312), the memory thin plate (311) is stressed leftwards to extrude the foam plate (321), the spring rod (322) is stressed to retract at the moment, the fixed rod (E) and the pressure ball (D) slide leftwards, the fixed frame (A) is fixedly connected to the right side of the power device (2), the pressure ball (D) is wrapped by the air pressure hose (B), the telescopic rod (C) is matched with the movement of the pressure ball (D) to be clung to the outer wall of the air pressure hose (B) to stretch, the anti-collision plate (312) retracts leftwards for a certain distance after colliding with the pedestrian under stress, the risk of fragmentation is reduced, if the vehicle body is used again, the right end of the air pressure hose (B) is stretched, and a gap exists between the air pressure hose (B) and the pressure ball (D), the fixing rod (E) is pulled out to the right, so that the anti-collision plate (312) returns to the original position, fine adjustment is carried out, the anti-collision plate can be recovered for reuse, collision and fragmentation are avoided, and the whole body is replaced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811055310.8A CN109263586B (en) | 2018-09-11 | 2018-09-11 | Front-mounted energy absorption device of anti-fragmentation car by utilizing air pressure reset |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811055310.8A CN109263586B (en) | 2018-09-11 | 2018-09-11 | Front-mounted energy absorption device of anti-fragmentation car by utilizing air pressure reset |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109263586A CN109263586A (en) | 2019-01-25 |
| CN109263586B true CN109263586B (en) | 2022-01-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811055310.8A Active CN109263586B (en) | 2018-09-11 | 2018-09-11 | Front-mounted energy absorption device of anti-fragmentation car by utilizing air pressure reset |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112900304A (en) * | 2021-01-27 | 2021-06-04 | 陈寿康 | Prevent roadside parking sign of turning on one's side |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR950017491A (en) * | 1993-12-01 | 1995-07-20 | 정용수 | Bumper device for automobile shock |
| CN107139875A (en) * | 2017-06-16 | 2017-09-08 | 徐扬 | Low-speed electronic vehicle anticollision security protection system with automatic repair function |
| CN207481830U (en) * | 2017-11-29 | 2018-06-12 | 温州磐石机械设备维修咨询有限公司 | A kind of bumper with multilayer anti-collision structure |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2330546Y (en) * | 1998-08-03 | 1999-07-28 | 陈丙乾 | Resettable multi-stage buffer automobile bumper |
| US6416094B1 (en) * | 2001-07-27 | 2002-07-09 | Talfourd-Jones Inc. | Energy absorbing bumper |
| CN104827995B (en) * | 2015-05-22 | 2017-01-25 | 白峻光 | Collision buffering device for motor vehicle |
| CN205220579U (en) * | 2015-11-17 | 2016-05-11 | 重庆电子工程职业学院 | Car bumper energy absorption and shock absorption device |
| CN107176126A (en) * | 2017-04-29 | 2017-09-19 | 太仓市夏米粒信息技术有限公司 | A kind of high intensity anti-deformation bumper |
| CN207773071U (en) * | 2018-01-23 | 2018-08-28 | 江西腾塑科技有限公司 | A kind of multi-buffer bumper |
-
2018
- 2018-09-11 CN CN201811055310.8A patent/CN109263586B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR950017491A (en) * | 1993-12-01 | 1995-07-20 | 정용수 | Bumper device for automobile shock |
| CN107139875A (en) * | 2017-06-16 | 2017-09-08 | 徐扬 | Low-speed electronic vehicle anticollision security protection system with automatic repair function |
| CN207481830U (en) * | 2017-11-29 | 2018-06-12 | 温州磐石机械设备维修咨询有限公司 | A kind of bumper with multilayer anti-collision structure |
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| CN109263586A (en) | 2019-01-25 |
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