CN202896488U - Automobile collision damping device - Google Patents
Automobile collision damping device Download PDFInfo
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- CN202896488U CN202896488U CN 201220604794 CN201220604794U CN202896488U CN 202896488 U CN202896488 U CN 202896488U CN 201220604794 CN201220604794 CN 201220604794 CN 201220604794 U CN201220604794 U CN 201220604794U CN 202896488 U CN202896488 U CN 202896488U
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Abstract
The utility model relates to an automobile collision damping device, in particular to an automotive passive safety device for the damping and energy absorption of the front and rear parts of a passenger cabin. The automobile collision damping device comprises a plurality of combined oil cylinders, a damping oil cylinder and a hydraulic oil pipeline, wherein the leftmost oil cylinder is a first oil cylinder with a piston; the previous oil cylinders serve as pistons of the next oil cylinders; the damping oil cylinder and each oil cylinder are communicated by the hydraulic oil pipeline; a pressure relief valve is arranged on the wall of the damping oil cylinder; a control valve is arranged on a hydraulic header pipe leading to a brake system on the wall of the damping oil cylinder; the damping oil cylinder is also provided with a damping oil cylinder piston; and a rotating spring is arranged at one end of the damping oil cylinder piston. The automobile collision damping device has a damping function under the conditions of slight, intermediate and heavy collision of an automobile, and the automobile brake system is activated in case of collision, so that the generation of strong impact force capable of instantly injuring human bodies is avoided, the safety of a driver and passengers in the automobile is maximally protected; and the automobile collision damping device is simple and reliable in structure.
Description
Technical field
The utility model relates to a kind of buffer device for collision of automobile, particularly relates to a kind of vehicle passive safety device of passenger compartment front and rear buffering energy-absorbing.
Background technology
In the collision case that automobile occurs, the collision that front and rear occurs accounts for the overwhelming majority, and therefore, the collision safety at research automotive front and rear portion is significant.When slight degree of crash occured, existing most of automobiles all were the rigid connections of crashproof girder steel and vehicle body crossbeam, easily produced larger impulsive force, and driver and crew are damaged; When the severe collision occured, existing automobile was when the crumple energy-absorbing, and impulsive force changes fluctuation greatly, very easily produces the large impact power that human body is caused serious injury.
Based on this, the utility model is proposed.
The utility model content
For solving the above-mentioned deficiency of prior art, the utility model provides a kind of buffer device for collision of automobile, this device makes the variation of the impulsive force that automobile bears when bumping substantially keep a level and smooth process, unlikely generation moment can be caused human injury's large impact power, and when bumping, activate brake system, although simple in structure, safe and reliable.
For achieving the above object, the utility model is achieved through the following technical solutions:
A kind of buffer device for collision of automobile comprises combined oil cylinder, cushion cylinder and hydraulic oil pipeline, and described combined oil cylinder is several, and take leftmost oil cylinder as first oil cylinder, first oil cylinder is provided with piston, and previous oil cylinder is the piston of a rear oil cylinder; Hydraulic oil pipeline is communicated with cushion cylinder and each oil cylinder, the cushion cylinder wall is provided with blowdown valve, is connected with hydraulic supply line on the cushion cylinder wall, and hydraulic supply line is provided with control cock, cushion cylinder also is provided with the cushion cylinder piston, and cushion cylinder piston one end is provided with torsional spring.
Described cushion cylinder is provided with the shock absorber that is connected with the cushion cylinder piston.
Described combined oil cylinder is comprised of the different oil cylinder of a plurality of sectional areas, and from left to right sectional area increases successively.
2-10 the oil cylinder that described combined oil cylinder increases successively for sectional area from left to right.
3 oil cylinders that described combined oil cylinder increases successively for sectional area from left to right.
The control signal of described control cock is the signal of piston and oil cylinder generation relative displacement.
The beneficial effects of the utility model are as follows:
Buffer device for collision of automobile of the present utility model is simple in structure, safe and reliable; it makes the variation of the impulsive force that automobile bears when bumping substantially keep a level and smooth process; in the situation that automobile occurs is slight, moderate and severe collision all play buffer action; and when occuring, collision activates brake system of car; unlikely generation moment can be caused human injury's large impact power; protect to greatest extent driver and crew's safety in the car, simple and reliable for structure.
Description of drawings
Fig. 1 is cushion cylinder sectional area of the present utility model schematic diagram hour;
Fig. 2 is the structural representation of embodiment 2;
Fig. 3 is the installation site schematic diagram of the utility model on automobile;
Wherein, 1 is that combined oil cylinder, 2 is that piston, 3 is that hydraulic oil pipeline, 4 is that cushion cylinder, 5 is that blowdown valve, 6 is that shock absorber, 7 is that cushion cylinder piston, 8 is that coil spring, 9 is that hydraulic supply line, 10 is that control cock, 11 is that fixed link, 12 is that front crashproof girder steel, 13 is that rear anti-crash girder steel, 14 is that chassis load crossbeam, 141 is that front body load crossbeam, 142 is that rear vehicle body load crossbeam, 15 is wheel.
The specific embodiment
The utility model is described in further detail below in conjunction with specific embodiment, but protection domain of the present utility model is not limited to this.
Such as Fig. 1, shown in Figure 3, buffer device for collision of automobile of the present utility model, the sectional area ratio that can design cushion cylinder 4 and combined oil cylinder 1 according to weight and the impact strength of vehicle body self, when the sectional area of cushion cylinder 4 hour, shock absorber 6 is not connected in the cushion cylinder 4.
Buffer device for collision of automobile of the present utility model comprises the hydraulic oil pipeline 3 that connects combined oil cylinder 1 and cushion cylinder 4, combined oil cylinder 1 is 3, from left to right sectional area increases successively, take leftmost oil cylinder as first oil cylinder, it is the A oil cylinder, the A oil cylinder is provided with piston 2, and previous oil cylinder is the piston of a rear oil cylinder, be that the A oil cylinder is the piston of B oil cylinder, the B oil cylinder is the piston of C oil cylinder, cushion cylinder 4 walls are provided with blowdown valve 5, the hydraulic supply line 9 that leads to brake system of car on cushion cylinder 4 walls is provided with control cock 10, and cushion cylinder 4 is also established cushion cylinder piston 7, and cushion cylinder piston 7 is provided with torsional spring 8.
During use, two groups of combined oil cylinders 1 are fixed on the front body load crossbeam 141, two groups of combined oil cylinders 2 are fixed on the rear vehicle body load crossbeam 142, piston 2 is fixed between combined oil cylinder 1 and the crashproof girder steel (such as front crashproof girder steel 12 and rear anti-crash girder steel 13), four cushion cylinders 4 are installed on vehicle body, and be communicated with brake system of car by control cock 10, four blowdown valves 5 are installed on respectively on four cushion cylinders 4, and be communicated with the oil cylinder on the automobile, hydraulic oil pipeline 3 is communicated with respectively A oil cylinder, B oil cylinder, C oil cylinder and cushion cylinder 4.
When automobile is collided, impulsive force is delivered to piston 2 by crashproof girder steel, hydraulic oil in the piston 2 pushing oil cylinder A also moves inward, when hydraulic oil has been urged in the oil cylinder A, if impulsive force continuation effect, then oil cylinder A is as the piston of oil cylinder B, hydraulic oil in the pushing oil cylinder B also moves inward, when the hydraulic oil in the oil cylinder B has been urged, if impulsive force continuation effect, then oil cylinder B is as the hydraulic oil in the piston of the oil cylinder C pushing oil cylinder C and move inward, by that analogy, until the hydraulic oil in the combined oil cylinder 1 has been urged.Hydraulic oil is pushed to cushion cylinder 4 by hydraulic oil pipeline 3, cushion cylinder piston 7 is moved down, part impact energy has been consumed under the compression of coil spring 8, if impulsive force continuation effect, coil spring 8 is compressed to the limit, vehicle body will be raised, part impact energy is converted into the potential energy of vehicle body, if impulsive force continuation effect, cushion cylinder piston 7 is displaced downwardly to the limit, and the oil pressure in the cushion cylinder 4 will raise rapidly, when reaching the pressure release value of blowdown valve 5, blowdown valve 5 is opened pressure release, makes the pressure in the hydraulic oil pipeline maintain a safety value.When piston 2 and oil cylinder A generation relative displacement, control cock 10 is received signal and is opened, and makes 4 inner minutes hydraulic oil of cushion cylinder be pushed to brake system, make brake system work, brake system is the conventional system of automobile, and its specific works mode is the known property general knowledge of this area, does not give unnecessary details herein.
Buffer device for collision of automobile of the present utility model, its combined oil cylinder 1 can also be 2,4,5,6,7,8,9,10 etc., other structure is the same with the present embodiment 1, does not give unnecessary details herein.
Such as Fig. 2, shown in Figure 4, buffer device for collision of automobile of the present utility model, comprise the hydraulic oil pipeline 3 that connects combined oil cylinder 1 and cushion cylinder 4, combined oil cylinder 1 is 3, from left to right sectional area increases successively, take leftmost oil cylinder as first oil cylinder, it is the A oil cylinder, the A oil cylinder is provided with piston 2, and previous oil cylinder is the piston of a rear oil cylinder, and namely the A oil cylinder is the piston of B oil cylinder, the B oil cylinder is the piston of C oil cylinder, cushion cylinder 4 walls are provided with blowdown valve 5, the hydraulic supply line 9 that leads to brake system on cushion cylinder 4 walls is provided with control cock 10, and cushion cylinder 4 is also established the cushion cylinder piston 7 that connects shock absorber 6, and cushion cylinder piston 7 is provided with torsional spring 8.
During use, two groups of combined oil cylinders 1 are fixed on the front body load crossbeam 141, two groups of combined oil cylinders 2 are fixed on the rear vehicle body load crossbeam 142, piston 2 is fixed between combined oil cylinder 1 and the crashproof girder steel (such as front crashproof girder steel 12 and rear anti-crash girder steel 13), four cushion cylinders 4 are installed between vehicle body and the shock absorber 6, and be communicated with brake system of car by control cock 10, four shock absorbers 6 are installed between four cushion cylinder pistons 7 and the wheel, four blowdown valves 5 are installed on respectively on four cushion cylinders 4, and be communicated with the oil cylinder on the automobile, hydraulic oil pipeline 3 is communicated with respectively the A oil cylinder, the B oil cylinder, C oil cylinder and cushion cylinder 4.
When automobile is collided, impulsive force is delivered to piston 2 by crashproof girder steel, hydraulic oil in the piston 2 pushing oil cylinder A also moves inward, when hydraulic oil has been urged in the oil cylinder A, if impulsive force continuation effect, then oil cylinder A is as the piston of oil cylinder B, hydraulic oil in the pushing oil cylinder B also moves inward, when the hydraulic oil in the oil cylinder B has been urged, if impulsive force continuation effect, then oil cylinder B is as the hydraulic oil in the piston of the oil cylinder C pushing oil cylinder C and move inward, by that analogy, until the hydraulic oil in the combined oil cylinder 1 has been urged.Hydraulic oil is pushed to cushion cylinder 4 by hydraulic oil pipeline 3, cushion cylinder piston 7 is moved down, part impact energy has been consumed under the shock damping action of the compression of coil spring 8 and shock absorber 6, if impulsive force continuation effect, coil spring 8 is compressed to the limit, vehicle body will be raised, part impact energy is converted into the potential energy of vehicle body, if impulsive force continuation effect, cushion cylinder piston 7 is displaced downwardly to the limit, and the oil pressure in the cushion cylinder 4 will raise rapidly, when reaching the pressure release value of blowdown valve 5, blowdown valve 5 is opened pressure release, makes the pressure in the hydraulic oil pipeline maintain a safety value.When piston 2 and oil cylinder A generation relative displacement, control cock 10 is received signal and is opened, and makes 4 inner minutes hydraulic oil of cushion cylinder be pushed to brake system, make brake system work, brake system is the conventional system of automobile, and its specific works mode is the known property general knowledge of this area, does not give unnecessary details herein.
Increased a shock absorber 6 in the present embodiment 2, because the shock damping action of shock absorber 6 makes the buffering effect of buffer device for collision of automobile of the present utility model better.
Buffer device for collision of automobile of the present utility model, its combined oil cylinder 1 can also be 2,4,5,6,7,8,9,10 etc., other structure is the same with the present embodiment 2, does not give unnecessary details herein.
Buffer device for collision of automobile of the present utility model; impulsive force when automobile bumps is in the effect certain distance; the size of power keeps a smoother change procedure; and when occuring, collision activates brake system; protect to greatest extent driver and crew's safety in the car, simple and reliable for structure.
Above-described embodiment utility model design of the present utility model that only is used for explaining, but not to the restriction of the utility model rights protection allly utilizes this design that the utility model is carried out the change of unsubstantiality, all should fall into protection domain of the present utility model.
Claims (6)
1. buffer device for collision of automobile, it is characterized in that: comprise combined oil cylinder, cushion cylinder and hydraulic oil pipeline, described combined oil cylinder is several, take leftmost oil cylinder as first oil cylinder, first oil cylinder is provided with piston, and previous oil cylinder is the piston of a rear oil cylinder; Hydraulic oil pipeline is communicated with cushion cylinder and each oil cylinder, the cushion cylinder wall is provided with blowdown valve, is connected with hydraulic supply line on the cushion cylinder wall, and hydraulic supply line is provided with control cock, cushion cylinder also is provided with the cushion cylinder piston, and cushion cylinder piston one end is provided with torsional spring.
2. buffer device for collision of automobile as claimed in claim 1, it is characterized in that: described cushion cylinder is provided with the shock absorber that is connected with the cushion cylinder piston.
3. buffer device for collision of automobile as claimed in claim 1 or 2, it is characterized in that: described combined oil cylinder is comprised of the different oil cylinder of a plurality of sectional areas, and from left to right sectional area increases successively.
4. buffer device for collision of automobile as claimed in claim 3 is characterized in that: 2-10 the oil cylinder that described combined oil cylinder increases successively for sectional area from left to right.
5. buffer device for collision of automobile as claimed in claim 4 is characterized in that: 3 oil cylinders that described combined oil cylinder increases successively for sectional area from left to right.
6. buffer device for collision of automobile as claimed in claim 1, it is characterized in that: the control signal of described control cock is the signal of piston and oil cylinder generation relative displacement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220604794 CN202896488U (en) | 2012-11-15 | 2012-11-15 | Automobile collision damping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220604794 CN202896488U (en) | 2012-11-15 | 2012-11-15 | Automobile collision damping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202896488U true CN202896488U (en) | 2013-04-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220604794 Expired - Fee Related CN202896488U (en) | 2012-11-15 | 2012-11-15 | Automobile collision damping device |
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| CN (1) | CN202896488U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103010132A (en) * | 2012-11-15 | 2013-04-03 | 陶海滨 | Buffer device for collision of automobile |
| CN103465850A (en) * | 2013-09-25 | 2013-12-25 | *** | Automobile provided with counter pressure automatic control collision-prevention device |
| CN104029646A (en) * | 2014-06-27 | 2014-09-10 | 长城汽车股份有限公司 | Anti-collision beam and automobile |
| CN104309555A (en) * | 2014-10-14 | 2015-01-28 | 吉林大学 | Simple three-section sleeve type liquid-filling, buffering and energy-absorbing element and design method thereof |
| CN104760552A (en) * | 2015-04-02 | 2015-07-08 | 南京理工大学 | Automobile crash buffer device |
| CN107031545A (en) * | 2016-11-18 | 2017-08-11 | 高永祥 | Car crass Initiative Defence System |
| CN107264455A (en) * | 2017-05-27 | 2017-10-20 | 成都协恒科技有限公司 | Collision prevention girders buffer unit |
| CN109835311A (en) * | 2019-03-26 | 2019-06-04 | 李言哄 | A kind of auxiliary brake parking component based on vehicle passive security |
| CN111391879A (en) * | 2020-04-22 | 2020-07-10 | 哈尔滨理工大学 | Energy absorption device capable of saving train head installation space |
-
2012
- 2012-11-15 CN CN 201220604794 patent/CN202896488U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103010132B (en) * | 2012-11-15 | 2015-09-09 | 陶海滨 | A kind of buffer device for collision of automobile |
| CN103010132A (en) * | 2012-11-15 | 2013-04-03 | 陶海滨 | Buffer device for collision of automobile |
| CN103465850A (en) * | 2013-09-25 | 2013-12-25 | *** | Automobile provided with counter pressure automatic control collision-prevention device |
| CN103465850B (en) * | 2013-09-25 | 2015-08-05 | *** | A kind of vehicle being provided with back-pressure automatic control anticollision device |
| CN104029646A (en) * | 2014-06-27 | 2014-09-10 | 长城汽车股份有限公司 | Anti-collision beam and automobile |
| CN104029646B (en) * | 2014-06-27 | 2016-03-02 | 长城汽车股份有限公司 | Collision prevention girders and automobile |
| CN104309555A (en) * | 2014-10-14 | 2015-01-28 | 吉林大学 | Simple three-section sleeve type liquid-filling, buffering and energy-absorbing element and design method thereof |
| CN104760552A (en) * | 2015-04-02 | 2015-07-08 | 南京理工大学 | Automobile crash buffer device |
| CN107031545A (en) * | 2016-11-18 | 2017-08-11 | 高永祥 | Car crass Initiative Defence System |
| CN107264455A (en) * | 2017-05-27 | 2017-10-20 | 成都协恒科技有限公司 | Collision prevention girders buffer unit |
| CN109835311A (en) * | 2019-03-26 | 2019-06-04 | 李言哄 | A kind of auxiliary brake parking component based on vehicle passive security |
| CN109835311B (en) * | 2019-03-26 | 2021-08-06 | 台州锐祥机械设备有限公司 | Auxiliary brake parking subassembly based on vehicle is safe passively |
| CN111391879A (en) * | 2020-04-22 | 2020-07-10 | 哈尔滨理工大学 | Energy absorption device capable of saving train head installation space |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130424 Termination date: 20151115 |
|
| EXPY | Termination of patent right or utility model |