CN201800658U - Motor vehicle deformation energy-absorbing collision device and motor vehicle employing same - Google Patents
Motor vehicle deformation energy-absorbing collision device and motor vehicle employing same Download PDFInfo
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- CN201800658U CN201800658U CN201020284532XU CN201020284532U CN201800658U CN 201800658 U CN201800658 U CN 201800658U CN 201020284532X U CN201020284532X U CN 201020284532XU CN 201020284532 U CN201020284532 U CN 201020284532U CN 201800658 U CN201800658 U CN 201800658U
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Abstract
A motor vehicle deformation energy-absorbing collision device includes a piston top rod on a motor vehicle, a piston, a piston cylinder, a piston cylinder end cover, a taper punch, and a rupturable energy-absorbing tube, and is characterized in that the piston top rod is sleeved with the taper punch and the rupturable energy-absorbing tube. At least one rupture induction slot is formed in the middle of the rupturable energy-absorbing tube, at least rupture induction seam is formed at the top end of the rupturable energy-absorbing tube, and a taper punch center hole is formed on the taper punch. When a motor vehicle has a collision, the initial acceleration of a B-pillar can be increased, the peak value of the initial acceleration of the B-pillar can be decreased, and the piston top rod can be prevented from being polluted.
Description
Technical field
The utility model relates to a kind of anticollision device for vehicle, particularly a kind of self-propelled vehicle distortion endoergic collision device and the self-propelled vehicle that has this distortion endoergic collision device.
Background technology
Self-propelled vehicle when offering convenience for human live and work, has also caused a large amount of personal casualty and property damage because of road traffic accident since 1886 come out.Up to the present the whole world is because of mortality from automobile accidents accumulative total surpasses 3,400 ten thousand people, causes several hundred million people injured or disable simultaneously.Point out in " road safety whole world situation " report of delivering on June 15th, 2009 according to The World Health Organization (WHO): the death toll that related to road traffic accident in 2008 is up to 1,200,000, injured or disable and reach 2000～3,000 ten thousand, the annual economic loss that causes because of traffic accident in the whole world is above 7,000 hundred million dollars.
Existing self-propelled vehicle vehicle body in knockout process all is in compressive state, and this will cause motorcar body to deform on the one hand and damage, and may cause driver and crew's the space of taking to be squeezed on the other hand, the critical occupant's of possibility life security when serious.For example steering column and bearing circle all can move and the occupant's that fiercelys attack head and chest when self-propelled vehicle is subjected to clashing into backward, NCAP (new car assessment routine) is defined under standard testing speed 50～64km/h, as long as the distance that steering column moves backward is no more than 12.7cm; All can move backward and make lower limb of passenger injured as stretcher when self-propelled vehicle is subjected to clashing into, be no more than 20cm as long as NCAP is defined in the distance that stretcher moves backward under the standard testing speed.In actual traffic accident, the speed of many self-propelled vehiclees has all surpassed the standard testing speed of NCAP, and the crew department is out of shape acutely, even complete obiteration, and many people are actually and are extruded and dead, and this is traffic death rate and the high major cause of injury rate.
The patent CN201046689 that the applicant submits to has announced a kind of novel automobile body with anticollision device, and this patent can make motorcar body be in extended state in knockout process, and utilizes the liquid jet to consume the huge Impact energy of self-propelled vehicle.
But there is following problem in this patent:
1) B post initial acceleration is less than normal and acceleration peak value is bigger than normal.Need a process because the pressure of anti-freezer is set up, the anti-freezer pressure curve presents the half-sinusoid shape, and pressure is raised to peak value gradually from 0, drops to 0 gradually from peak value then.Because the size of anti-freezer pressure is directly proportional with acceleration/accel, so the waveform of B post acceleration/accel also is the half-sinusoid shape, and B post acceleration/accel also is to be raised to peak value gradually from 0, drops to 0 gradually from peak value then.This means that the B post exists initial acceleration (0) less than normal and acceleration peak value problem bigger than normal.How improving the initial acceleration of B post and reducing B post acceleration peak value is the important subject of pendulum in face of us.
2) low speed collision may cause piston to advance big distance.Repeatedly the Collision test result shows, piston advance distance and collision velocity are irrelevant substantially.This conclusion (of pressure testing) can improve the safety of high-speed crash greatly, but low speed collision also can the piston advance distance of degree much at one take place with high-speed crash.The piston advance distance that how to reduce low speed collision is the important subject of pendulum in face of us.
3) piston mandril stretches out outside the piston cylinder for a long time, is polluted by dust or mud easily, may cause piston mandril to advance difficulty when bumping.
4) how to guarantee that piston tightly pushes down the piston cylinder end cap, promptly how solving the piston orientation problem and also being needs the problem that solves.
Summary of the invention
The utility model is exactly to solve less than normal and the problem that acceleration peak value is bigger than normal of B post initial acceleration; Solve the problem that low speed collision may cause bigger piston advance distance, solve the problem that piston mandril is contaminated and piston is located.
A kind of self-propelled vehicle distortion endoergic collision device, it comprises anticollision of motor vehicles bar, hydraulic damping device, tapered punch, energy absorbing tube can break; Described hydraulic damping device comprises piston mandril, piston, piston cylinder and piston cylinder end cap, described piston mandril links to each other with described crash bar, it is characterized in that described piston mandril is with tapered punch and the energy absorbing tube that can break, described tapered punch will be torn the described energy absorbing tube that breaks during collision of motor-driven vehicles.The middle part of the described energy absorbing tube that breaks has at least one and breaks and induce groove; The top of the described energy absorbing tube that breaks has at least one and breaks and induce seam; Described tapered punch has the tapered punch centre hole.A kind of self-propelled vehicle is characterized in that being provided with a plurality of described self-propelled vehicle distortion endoergic collision devices at motor vehicle front end, afterbody.
The utility model is achieved in that
1) processing tapered punch, and on tapered punch, bore a tapered punch centre hole.
2) the processing energy absorbing tube that can break, and open to break at the middle part of the energy absorbing tube that can break and induce groove, open to break on the top of the energy absorbing tube that can break and induce seam.
3) energy absorbing tube that can break is enclosed within on the piston mandril, then tapered punch is enclosed within on the piston mandril.
The utility model has following effect:
1) B post initial acceleration can be improved, B post acceleration peak value can be reduced.
2) can not move at slight impact lower piston push rod and piston.
3) under low speed collision, piston mandril and piston advance distance will diminish.
4) can prevent that dust and mud from polluting piston mandril.
5) piston is accurately located, can guarantee that the length that piston mandril stretches out is consistent.
Description of drawings
Fig. 1 is the vertical cutaway view of the utility model self-propelled vehicle distortion endoergic collision device;
Fig. 2 is the A-A face cross-sectional schematic of the utility model self-propelled vehicle distortion endoergic collision device;
Fig. 3 is the utility model self-propelled vehicle distortion endoergic collision device schematic top plan view;
Fig. 4 looks scheme drawing for the utility model self-propelled vehicle distortion endoergic collision device left side;
Fig. 5 is the tapered punch cross-sectional schematic of the utility model self-propelled vehicle distortion endoergic collision device;
Fig. 6 looks scheme drawing for the tapered punch right side of the utility model self-propelled vehicle distortion endoergic collision device;
Fig. 7 is the broken energy absorbing tube scheme drawing of the utility model self-propelled vehicle distortion endoergic collision device;
Fig. 8 is the broken energy absorbing tube B-B cutaway view of the utility model self-propelled vehicle distortion endoergic collision device;
Fig. 9 is the broken energy absorbing tube C-C cutaway view of the utility model self-propelled vehicle distortion endoergic collision device;
Figure 10 is the broken energy absorbing tube D-D cutaway view of the utility model self-propelled vehicle distortion endoergic collision device;
Figure 11 is the broken energy absorbing tube cutaway view of the utility model self-propelled vehicle distortion endoergic collision device second embodiment;
Figure 12 is the broken energy absorbing tube cutaway view of the utility model self-propelled vehicle distortion endoergic collision device the 3rd embodiment;
Figure 13 is the broken energy absorbing tube cutaway view of the utility model self-propelled vehicle distortion endoergic collision device the 4th embodiment;
Figure 14 is the utility model self-propelled vehicle distortion endoergic collision device the 5th embodiment;
Figure 15 is the utility model self-propelled vehicle distortion endoergic collision device the 6th embodiment.
Wherein Reference numeral is as follows:
Piston mandril 1, piston 2, piston cylinder 3, piston cylinder end cap 4, spray surge chamber 5, drain pipe 6, tapered punch 7, energy absorbing tube 8 can break, cylinder 9, cylinder deep gouge 10, piston mandril connecting bore 11, hinged pedestal 12, cylinder groove 13, cylinder groove end cap 14, crash bar 15, first leveling screw 16, second leveling screw 17, the 3rd leveling screw 18, the 4th leveling screw 19, the 5th leveling screw 20, the 6th leveling screw 21, the 7th leveling screw 22, the 8th leveling screw 23, the first crash bar chute 24, the second crash bar chute 25, the 3rd crash bar chute 26, the 4th crash bar chute 27, discharge opeing flexible pipe 28, anti-freezer box 29, piston mandril outside thread 30, first piston injection hole 201, the second piston injection hole 202, the 3rd piston injection hole 203, the 4th piston injection hole 204, the first tube wall injection hole 301, the second tube wall injection hole 302, tapered punch centre hole 701, first breaks induces groove 801, second breaks induces groove 802, the 3rd breaks induces groove 803, the 4th breaks induces groove 804, first breaks induces seam 805, second breaks induces seam 806, the 3rd breaks induces seam 807, the 4th breaks induces seam 808.
The specific embodiment
Since almost symmetrical about motor-vehicle chassis, for the convenience of describing, the left-hand component of self-propelled vehicle is only described, and the identical part in the right is no longer described." at least one " described in the utility model is interpreted as more than or equal to one, and smaller or equal to n, the span of n is determined by product size and art technology general knowledge.
First embodiment
Fig. 1 is the vertical cutaway view of the utility model self-propelled vehicle distortion endoergic collision device; Fig. 2 is the A-A face cross-sectional schematic of the utility model self-propelled vehicle distortion endoergic collision device; Fig. 3 is the utility model self-propelled vehicle distortion endoergic collision device schematic top plan view; Fig. 4 looks scheme drawing for the utility model self-propelled vehicle distortion endoergic collision device left side; Fig. 5 is the utility model self-propelled vehicle distortion endoergic collision device tapered punch cross-sectional schematic; Fig. 6 looks scheme drawing for the utility model self-propelled vehicle distortion endoergic collision device tapered punch right side; Fig. 7 is the utility model self-propelled vehicle distortion endoergic collision device energy absorbing tube scheme drawing that can break; Fig. 8 is the utility model self-propelled vehicle distortion endoergic collision device energy absorbing tube B-B cutaway view that can break; Fig. 9 is the utility model self-propelled vehicle distortion endoergic collision device energy absorbing tube C-C cutaway view that can break; Figure 10 is the utility model self-propelled vehicle distortion endoergic collision device energy absorbing tube D-D cutaway view that can break.
Because collision of motor-driven vehicles device left-right symmetric for convenience, is only described the left-hand component of collision of motor-driven vehicles device.
As Fig. 1～shown in Figure 10, the utility model self-propelled vehicle distortion endoergic collision device comprises piston mandril 1, piston 2, piston cylinder 3, piston cylinder end cap 4, spray surge chamber 5, drain pipe 6, tapered punch 7, energy absorbing tube 8 can break, cylinder 9, cylinder deep gouge 10, piston mandril connecting bore 11, hinged pedestal 12, cylinder groove 13, cylinder groove end cap 14, crash bar 15, first leveling screw 16, second leveling screw 17, the 3rd leveling screw 18, the 4th leveling screw 19, the 5th leveling screw 20, the 6th leveling screw 21, the 7th leveling screw 22, the 8th leveling screw 23, the first crash bar chute 24, the second crash bar chute 25, the 3rd crash bar chute 26, the 4th crash bar chute 27, discharge opeing flexible pipe 28, anti-freezer box 29, first piston injection hole 201, the second piston injection hole 202, the 3rd piston injection hole 203, the 4th piston injection hole 204, the first tube wall injection hole 301, the second tube wall injection hole 302, tapered punch centre hole 701, first breaks induces groove 801, second breaks induces groove 802, the 3rd breaks induces groove 803, the 4th breaks induces groove 804, first breaks induces seam 805, second breaks induces seam 806, the 3rd breaks induces seam 807, the 4th breaks induces seam 808.
Described tapered punch centre hole 701 is opened on tapered punch 7; Described first breaks induces groove 801, second to break to induce groove the 802, the 3rd to break and induces groove the 803, the 4th to break to induce groove 804 to open at the centre portion of energy absorbing tube 8 that can break; Described first breaks induces seam 805, second to break to induce seam the 806, the 3rd to break and induces seam the 807, the 4th to break to induce seam 808 to open on the top that can break energy absorbing tube, and near tapered punch 7.Described cylinder deep gouge 10 is opened on cylinder 9; Described piston mandril connecting bore 11 is opened on cylinder 9; Described piston cylinder end cap 4 is installed in the front portion of piston cylinder 3; Described piston mandril 1 one ends link to each other with the top of piston 2, and the other end passes piston cylinder end cap 4 successively, the energy absorbing tube 8 that can break, tapered punch 7, and piston mandril connecting bore 11 last and on the cylinder 9 links to each other; Described cylinder 9 is installed in the cylinder groove 13 on the hinged pedestal 12; After putting into cylinder groove 13, cylinder 9 covers with cylinder groove end cap 14; Described crash bar 15 links to each other with hinged pedestal 12 by some leveling screws (16,17,18,19).
Described piston 2 comprises first piston injection hole 201, the second piston injection hole 202, the 3rd piston injection hole 203, the 4th piston injection hole 204 again.Above-mentioned these piston injection holes run through the top of piston 2 from the bottom of piston 2.
Described injection surge chamber 5 is fixedly linked with first piston cylinder 3; Described drain pipe 6 is fixedly linked with injection surge chamber 5; Described discharge opeing flexible pipe 28 1 ends link to each other with anti-freezer box 29, and the other end links to each other with drain pipe 6.The described first tube wall injection hole 301, the second tube wall injection hole 302 run through the wall of piston cylinder 3.
Does 1) how a kind of collision of motor-driven vehicles device with the tapered punch and the energy absorbing tube that can break of surface analysis the utility model improve B post initial acceleration down?
As Fig. 1～shown in Figure 10, when a kind of collision of motor-driven vehicles device with the tapered punch and the energy absorbing tube that can break bumps, huge impact will at first bump against the left side of crash bar 15, pass to successively then on cooresponding hinged pedestal 12, cylinder 9 and the piston mandril 1, piston mandril 1 will move backward with the piston 2 that has all piston injection holes 201,202,203,204, thereby consume the collision of motor-driven vehicles energy.Have dual mode to consume the collision of motor-driven vehicles energy: a kind of mode is the high-pressure liquid jet consumed energy; Another kind is the energy absorbing tube energy-absorbing that can break.
Analyze high-pressure liquid jet now and how to consume the collision of motor-driven vehicles energy: under the extruding of piston 2, the pressure of anti-freezer will rise to pressure peak gradually from 0, and highly pressurised liquid will consume the collision of motor-driven vehicles energy by all piston injection holes 201,202,203,204 on the piston 2 and all tube wall injection holes 301,302 high speed jets on the piston cylinder 3.When spraying consumption collision of motor-driven vehicles energy, liquid at high speed can break energy absorbing tube also with absorption portion collision of motor-driven vehicles energy.
How the following surface analysis energy absorbing tube that can break consumes the self-propelled vehicle Impact energy: owing to be with the tapered punch 7 and the energy absorbing tube 8 that can break on the piston mandril 1, tapered punch 7 will push the energy absorbing tube 8 that can break, under the impact effect of tapered punch 7, the energy absorbing tube 8 that can break at first dilates the distortion energy-absorbing, induce seam owing to the energy absorbing tube 8 that can break has to break, the energy absorbing tube 8 that can break will be torn energy-absorbing.
Does 2) how a kind of collision of motor-driven vehicles device with the tapered punch and the energy absorbing tube that can break of surface analysis the utility model reduce the peak accelerator of B post under?
When piston mandril 1 and piston 2 are constantly pushed ahead, the energy absorbing tube 8 that can break also will constantly be torn.When piston 2 was advanced to piston cylinder 3 middle parts, the fluid pressure in the piston cylinder 3 entered between peak region, because B post acceleration/accel is directly proportional with fluid pressure, then B post acceleration/accel will enter between peak region.Owing to have to break at the middle part of the energy absorbing tube 8 that can break and induce groove, therefore the power that dilates of the energy absorbing tube 8 that can break and tear edge will sharply descend several times even tens times can reduce the acceleration peak value of B post.
3) how a kind of collision of motor-driven vehicles device with the tapered punch and the energy absorbing tube that can break of surface analysis the utility model prevents that dust and mud from polluting piston mandril down.
When self-propelled vehicle bumped, piston mandril 1 will constantly enter piston cylinder 3 inside by piston cylinder end cap 4, if dust or mud have polluted piston mandril 1, then may cause piston mandril 1 to advance difficulty, can be stuck when serious.We put the tapered punch 7 and the energy absorbing tube 8 that can break on piston mandril 1, dust and mud just can not pollute piston mandril 1, the phenomenon that piston mandril 1 advances difficulty therefore can not occur, more the phenomenon that piston mandril 1 is stuck can not occur.
Second embodiment
Figure 11 is the broken energy absorbing tube cutaway view of self-propelled vehicle distortion endoergic collision device second embodiment; Second embodiment is substantially the same with first embodiment: on the first embodiment basis, removed first of energy absorbing tube 8 tops of can breaking break induce the seam 805, second break induce the seam the 806, the 3rd break induce the seam the 807, the 4th break induce the seam 808.
The 3rd embodiment
Figure 12 is the broken energy absorbing tube cutaway view of self-propelled vehicle distortion endoergic collision device the 3rd embodiment.The 3rd embodiment is substantially the same with first embodiment: unique different be to have removed first of energy absorbing tube 8 middle parts of can breaking to break to induce groove 801, second to break to induce groove the 802, the 3rd to break and induce groove the 803, the 4th to break to induce groove 804.
The 4th embodiment
Figure 13 is the broken energy absorbing tube cutaway view of self-propelled vehicle distortion endoergic collision device the 4th embodiment; The 4th embodiment is substantially the same with first embodiment: unique different be to have removed first of energy absorbing tube 8 middle parts of can breaking to break to induce groove 801, second to break to induce groove the 802, the 3rd to break and induce groove the 803, the 4th to break to induce groove 804, removed first of energy absorbing tube 8 tops of can breaking and broken to induce seam 805, second to break to induce seam the 806, the 3rd to break and induce seam the 807, the 4th to break to induce seam 808.
The 5th embodiment
Figure 14 is self-propelled vehicle distortion endoergic collision device the 5th embodiment; The 5th embodiment is substantially the same with first embodiment, unique different be that the tapered punch 7 and the energy absorbing tube 8 that can break have been exchanged the position, promptly tapered punch 7 is near piston cylinder end cap 4.
The 6th embodiment
Figure 15 is self-propelled vehicle distortion endoergic collision device the 6th embodiment; The 6th embodiment is substantially the same with first embodiment: unique different be to have processed piston mandril outside thread 30 on the top of piston mandril 1, tapered punch centre hole on the corresponding therewith tapered punch 7 is processed as negative thread, described tapered punch 7 and described piston mandril 1 bolt.The 6th embodiment can make piston 2 easier location, by twisting tapered punch 7 piston 2 tightly is pressed on the piston cylinder end cap 4.When piston 2 tightly is pressed on the piston cylinder end cap 4, continue to twist tapered punch 7, predeformation takes place in the energy absorbing tube 8 that will cause breaking.
Other embodiment
Should be appreciated that the utility model is not limited to above-mentioned embodiment, above-mentioned preferred implementation only is exemplary, those skilled in the art can make the various modifications that are equal to and replacement and various combination, and obtain different embodiments according to spirit of the present utility model.Link to each other with described crash bar as piston mandril described in the utility model and to comprise and directly link to each other and link to each other indirectly.
Claims (5)
1. a self-propelled vehicle is out of shape the endoergic collision device, and it comprises anticollision of motor vehicles bar (15), hydraulic damping device (1,2,3,4), tapered punch (7), energy absorbing tube (8) can break; Described hydraulic damping device (1,2,3,4) comprise piston mandril (1), piston (2), piston cylinder (3) and piston cylinder end cap (4), described piston mandril (1) links to each other with described crash bar (15), it is characterized in that described piston mandril (1) is with tapered punch (7) and the energy absorbing tube (8) that can break, described tapered punch (7) will be torn the described energy absorbing tube that breaks (8) during collision of motor-driven vehicles.
2. self-propelled vehicle according to claim 1 distortion endoergic collision device, the middle part that it is characterized in that the described energy absorbing tube that breaks (8) have at least one and break and induce groove (801,802,803,804).
3. self-propelled vehicle according to claim 1 and 2 distortion endoergic collision device, the top that it is characterized in that the described energy absorbing tube that breaks (8) have at least one and break and induce seam (805,806,807,808).
4. self-propelled vehicle distortion endoergic collision device according to claim 1, it is characterized in that described piston mandril (1) is processed with piston mandril outside thread (30), the centre hole (701) of described tapered punch (7) is an internal thread hole, described piston mandril (1) and described tapered punch (7) bolt.
5. a self-propelled vehicle is characterized in that being provided with a plurality of self-propelled vehicle distortion endoergic collision devices as claimed in claim 1 at motor vehicle front end, afterbody.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020284532XU CN201800658U (en) | 2010-07-30 | 2010-07-30 | Motor vehicle deformation energy-absorbing collision device and motor vehicle employing same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020284532XU CN201800658U (en) | 2010-07-30 | 2010-07-30 | Motor vehicle deformation energy-absorbing collision device and motor vehicle employing same |
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| Publication Number | Publication Date |
|---|---|
| CN201800658U true CN201800658U (en) | 2011-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201020284532XU Expired - Fee Related CN201800658U (en) | 2010-07-30 | 2010-07-30 | Motor vehicle deformation energy-absorbing collision device and motor vehicle employing same |
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| CN (1) | CN201800658U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103133585A (en) * | 2013-03-14 | 2013-06-05 | 湖南大学 | Method of manufacturing energy absorption device |
-
2010
- 2010-07-30 CN CN201020284532XU patent/CN201800658U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103133585A (en) * | 2013-03-14 | 2013-06-05 | 湖南大学 | Method of manufacturing energy absorption device |
| CN103133585B (en) * | 2013-03-14 | 2015-04-08 | 湖南大学 | Method of manufacturing energy absorption device |
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| 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: 20110420 Termination date: 20140730 |
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| EXPY | Termination of patent right or utility model |