CN201989738U - Collision-buffering energy absorbing device of pneumatic flexible automobile - Google Patents

Collision-buffering energy absorbing device of pneumatic flexible automobile Download PDF

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Publication number
CN201989738U
CN201989738U CN2009200646988U CN200920064698U CN201989738U CN 201989738 U CN201989738 U CN 201989738U CN 2009200646988 U CN2009200646988 U CN 2009200646988U CN 200920064698 U CN200920064698 U CN 200920064698U CN 201989738 U CN201989738 U CN 201989738U
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China
Prior art keywords
energy
self
energy absorbing
absorbing beam
air pressure
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Expired - Lifetime
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CN2009200646988U
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Chinese (zh)
Inventor
曹立波
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Changsha Lizhong Automobile Design and Development Co Ltd
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Changsha Lizhong Automobile Design and Development Co Ltd
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Priority to CN2009200646988U priority Critical patent/CN201989738U/en
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Abstract

The utility model discloses a collision-buffering energy absorbing device of a pneumatic flexible automobile, which mainly consists of an air storing tank, a pipeline, an electromagnetic valve, an air generator and an energy absorbing mechanism consisting of a shell, an energy absorbing beam, a sealing element, a self-locking pin, a self-locking pin seat, a stop block, a drive block, a spring, a regulating nut and the like. The device can use air storing tank-electromagnetic valve-energy absorbing mechanism mode or use air generator-energy absorbing mechanism mode; the energy absorbing beam is fixedly connected with the drive block in the energy absorbing mechanism and can slide backwards and forwards in the shell; the shell is connected with the self-locking pin seat by a screw; the self-locking pin is connected with the regulating unit by a pressure spring and positioned in the self-locking pin seat. The device uses the high-pressure air stored in the air storing tank or the high-pressure air generated by the air generator to quickly push out the energy absorbing bean from the energy absorbing mechanism and achieves reliable self locking, and the device has the advantages that: the device responds quickly, is used repeatedly, has simple structure and low cost, and reliably absorbs the collision energy, so the device is suitable for various automobile types.

Description

Air pressure drives telescoping buffering automobile collision energy absorption device
1 technical field
The utility model relates generally to the vehicle safety design field, refer in particular to a kind of air pressure and drive telescoping crusherbull zone energy absorption device, this device can stretch out before the collision happens accident fast, and vehicle can absorb more collision energy when accident took place, and reduced the damage to occupant and vehicle.
2 background technologies
One of gordian technique of automotive safety body structure is structure buffering and energy-absorbing, generally is to drive other hydraulic pressure during by body construction distortion or car body collision or mechanical device absorbs collision energy.Because these methods all are that endergonic structure is fixed on automotive interior, its layout will be subjected to the restriction of vehicle structure size, and the space of buffering energy-absorbing is limited in certain scope, is difficult to control well in the collision process energy-absorbing of when high speed (particularly).Front space is very limited in the light-duty and minicars for some particularly, car, is difficult to the collision safety effect that reaches good.At present, though existing people proposes the telescoping buffering energy-absorbing structure, be mostly to adopt hydraulic pressure or mechanical device that energy absorption device is released, long, complex structure of release time is difficult in time release before accident takes place; Also the someone proposes to adopt air pressure to release bumper/spoiler, and still, because the traditional insurance thick stick does not have endergonic structure basically, when vehicle generation high speed head-on crash, the buffering energy-absorbing function of bumper/spoiler is just very limited.
3 summary of the invention
The purpose of this utility model provides a kind of air pressure and drives telescoping crusherbull zone energy absorption device, about the energy absorber of this device each one, being arranged in the automobile front side member of being parallel to each other, its front end is connected with the outer rim of longeron by bolt, can before taking place, collision case expand the energy-absorbing space of automotive front end fast, absorb collision energy, relax the impulsive force of collision, and can reuse the occupant.
The purpose that the utility model air pressure drives telescoping crusherbull zone energy absorption device is achieved in that two kinds of the energy-absorbing beams in the plenum systems release energy absorber, i.e. storage tank-electromagnetic valve-energy absorber mode and the gas generator-energy absorber modes of adopting.
Storage tank is connected with normally closed solenoid valve by trunk line in first kind of plenum system, and electromagnetic valve is connected with two subtubes by three-way pipe again, and subtube links to each other with two energy absorbers respectively again; Before accident was about to take place, normally closed solenoid valve was opened, and the high pressure gas in the storage tank are released the energy-absorbing beam fast.
Gas generator is connected with three-way pipe by trunk line in second kind of plenum system, and three-way pipe links to each other with two energy absorbers by two subtubes again; Before accident takes place, the gas generator igniting, the high pressure gas that gas generator produces are released the energy-absorbing beam fast.
Welding block that energy absorber connects firmly by the energy-absorbing beam, with the energy-absorbing beam and drive block, shell, with shell bonded assembly self-locking key seat, place self-lock pin, setting nut and spring etc. in the self-locking key seat to form; The energy-absorbing beam can reciprocatingly slide in shell by welding block and drive block weld together; The end of shell is connected with rear fender with screw, and its front end is connected with screw with the self-locking key seat; The two ends of pressure spring are connected with self-lock pin and setting nut respectively and place in the self-locking key seat, and wherein setting nut is threaded with key seat.
The high pressure gas that this utility model utilizes interior high pressure gas of storage tank or gas generator to produce are pushed out to range with the energy-absorbing beam rapidly, and self-lock pin is inserted in the terminal position of drive block under the effect of spring, realize the locking of mechanism.
When do not bump and dangerous the elimination after, the scalable setting nut also makes self-lock pin withdraw from lockup state, regaining system can beam, and front part of vehicle is restored to the original state; When the energy-absorbing beam was retracted to drive block and contacts with backing block, self-lock pin fell in the groove on the energy-absorbing beam and realizes the location, can adjust the size of detent force by regulating setting nut.
When automobile crashes,, expand the energy-absorbing space, absorb more collision energy, can effectively reduce the impaired of occupant's damage and car body by the conquassation distortion of the power-absorbing that stretches out; When do not bump and dangerous the elimination after, the scalable setting nut also makes self-lock pin withdraw from lockup state, regains the energy-absorbing beam, and front part of vehicle is restored to the original state.
Described drive block which is provided with groove, and the O RunddichtringO can be installed, and realizes the sealing of mechanism.
The impact load decision that the size of described self-lock pin and number will be born by this mechanism.
The pressure size of described storage tank inner high voltage gas or the gas production rate of gas generator can be determined according to the energy-absorbing beam release time of setting.
Compared with prior art, advantage of the present invention just is:
1, the utility model can combine with the accident forecast system, and the time and the space that make full use of before accident takes place increase substantially the collision energy-absorbing effect.It mainly comprises storage tank, pipeline, electromagnetic valve, gas generator and the energy absorber of being made up of shell, energy-absorbing beam, sealing member, self-locking key seat, self-lock pin, setting nut, backing block, drive block, spring.About energy absorber each one, be arranged in the automobile front side member in parallel to each other, and after stretching out certain distance, realize locking bearing the impact force of vehicle front by self-lock pin, if do not crash and during dangerous the releasing, recoverable repeated usage.
2, the storage tank of air pressure driving telescoping crusherbull zone energy absorption device scheme one of the present utility model is connected with normally closed solenoid valve by trunk line, and electromagnetic valve is connected with two subtubes by three-way pipe again, and subtube links to each other with two energy absorbers respectively again.
3, the gas generator of the utility model air pressure driving telescoping crusherbull zone energy absorption device scheme two is connected with three-way pipe by trunk line, and three-way pipe links to each other with two energy absorbers by two subtubes again.
4, the feature of scheme one of the present utility model is that normally closed solenoid valve is opened before being about to take place according to accident, and the high pressure gas in the storage tank are released the energy-absorbing beam fast.
5, the feature of scheme two of the present utility model is before accident takes place, the gas generator igniting, and the high pressure gas that gas generator produces are released the energy-absorbing beam fast.
6, after energy-absorbing beam of the present utility model was pushed into range, self-lock pin was inserted in the terminal position of drive block under the effect of spring, realized the locking of mechanism.
7, of the present utility modelly can the self-lock pin locking be lost efficacy, the energy-absorbing beam is regained by regulating setting nut.When the energy-absorbing beam was retracted to drive block and contacts with backing block, self-lock pin fell in the groove on the energy-absorbing beam and realizes the location, can adjust the size of detent force by regulating setting nut.
8, be provided with groove above the drive block of the present utility model, the O RunddichtringO is installed in groove, can realize the sealing of mechanism.
Fig. 1 is the utility model embodiment one device scheme drawing
Fig. 2 is the utility model embodiment two devices scheme drawing
Fig. 3 is that the energy absorber of the utility model embodiment stretches out view
Fig. 4 is the energy absorber retracted state scheme drawing of the utility model embodiment
Fig. 5 is the power-absorbing scheme drawing of the utility model embodiment
Fig. 6 is the drive block scheme drawing of the utility model embodiment
Fig. 7 is the self-locking key seat scheme drawing of the utility model embodiment
Fig. 8 is the self-lock pin scheme drawing of the utility model embodiment
Fig. 9 is the shell scheme drawing of the utility model embodiment
Figure 10 is the backing block scheme drawing of the utility model embodiment
Figure 11 is the rear fender scheme drawing of the utility model embodiment
Figure 12 is the energy-absorbing tube welding block scheme drawing of the utility model embodiment
Figure 13 is the setting nut scheme drawing of the utility model embodiment
Marginal data
1, energy absorber 2, three-way pipe 3, electromagnetic valve
4, storage tank 5, energy-absorbing beam 6, drive block
7, self-locking key seat 8, self-lock pin 9, shell
10, backing block 11, rear fender 12, energy-absorbing beam welding block
13, setting nut 14, pressure spring 15, screw
16, screw 17, gas generator
Below with reference to the drawings and specific embodiments the present invention is described in further details.
Embodiment one:
As shown in Figure 1, the utility model air pressure drives telescoping buffering automobile collision energy absorption device, mainly comprises storage tank 4, pipeline, electromagnetic valve 3 and energy absorber 1; Welding block 12 that energy absorber 1 connects firmly by energy-absorbing beam 5, with energy-absorbing beam 5 and drive block 6, shell 9, with shell 9 bonded assembly self-locking key seats 7, place self-lock pin 8, setting nut 13 and spring 14 in the self-locking key seat 7, rear fender 11, backing block 10 etc. to form.In the present embodiment, storage tank 4 stored high pressure gas, be connected with the solenoid electric valve 3 that is in normally off by trunk line, electromagnetic valve 3 is connected with two subtubes by three-way pipe again, subtube links to each other with two energy absorbers 1 respectively again, energy absorber 1 places in the car longeron, and its front end is connected with the outer rim of longeron by bolt.During normal vehicle operation, electromagnetic valve 3 is closed, and energy absorber 1 is in retracted state, as shown in Figure 4.When control system predicts when being about to crash, electromagnetic valve 3 is opened, the high pressure gas in the storage tank 4 promote fast drive block 6 and with the energy-absorbing beam 5 of its welding, in shell 9, slide into range; Self-locking key seat 7 usefulness screws 15 are connected with shell 9, and the self-lock pin 8 in it is inserted in the terminal position of drive block 6 under the effect of pressure spring 14, realize the locking of mechanism.Energy absorber stretch out lockup state as shown in Figure 3.When do not bump and dangerous the elimination after, the setting nut 13 that scalable is threaded with self-locking key seat 7, setting nut 13 is connected with self-lock pin 8 by pressure spring 14 again, manual spin-up setting nut 13, make self-lock pin 8 withdraw from lockup state, regain energy-absorbing beam 5, repeated usage restores to the original state front part of vehicle.After the slight impact accident takes place, only need replacing energy-absorbing beam and a small amount of consumable accessory to get final product.
Embodiment two:
As shown in Figure 2, the utility model air pressure drives telescoping buffering automobile collision energy absorption device, mainly comprises gas generator 17, pipeline and energy absorber 1.During normal vehicle operation, gas generator misfires, and energy absorber 1 is in retracted state.When control system predicts when being about to crash, the gas generator igniting, the high pressure gas that producer produces are released the energy-absorbing beam fast, and by lockable mechanism with its locking.

Claims (7)

1. an air pressure drives telescoping buffering automobile collision energy absorption device, it mainly comprises storage tank (4), pipeline, electromagnetic valve (3), gas generator (17) and the energy absorber of being made up of shell (9), energy-absorbing beam (5), sealing member, self-locking key seat (7), self-lock pin (8), setting nut (13), backing block (10), drive block (6), spring (14), it is characterized in that about energy absorber each one, being arranged in the automobile front side member of being parallel to each other, its front end is connected with the outer rim of longeron by bolt; Energy-absorbing beam (5) is realized stretching out fast by high pressure gas, and realizes that by self-lock pin (8) locking is to bear the impact force of vehicle front after stretching out certain distance.
2. air pressure according to claim 1 drives telescoping buffering automobile collision energy absorption device, it is characterized in that storage tank (4) is connected with normally closed solenoid valve (3) by trunk line, electromagnetic valve (3) is connected with two subtubes by three-way pipe (2) again, and subtube links to each other with two energy absorbers (1) respectively again.
3. air pressure according to claim 1 drives telescoping buffering automobile collision energy absorption device, it is characterized in that gas generator (17) is connected with three-way pipe (2) by trunk line, and three-way pipe (2) links to each other with two energy absorbers (1) by two subtubes again.
4. air pressure according to claim 2 drives telescoping buffering automobile collision energy absorption device, it is characterized in that accident is about to take place before, normally closed solenoid valve (3) is opened, the high pressure gas in the storage tank (4) are released energy-absorbing beam (5) fast.
5. air pressure according to claim 1 drives telescoping buffering automobile collision energy absorption device, it is characterized in that after energy-absorbing beam (5) is pushed into its range, self-lock pin (8) is inserted in the terminal position of drive block (6) under the effect of spring (14), realize the locking of mechanism.
6. air pressure according to claim 1 drives telescoping buffering automobile collision energy absorption device, it is characterized in that regulating setting nut (13) self-lock pin (8) locking was lost efficacy, and energy-absorbing beam (5) is regained; When energy-absorbing beam (5) is retracted to drive block (6) and backing block (10) when contacting, self-lock pin (8) falls in the groove on the energy-absorbing beam (5) and realizes the location, can adjust the size of detent force by adjusting setting nut (13).
7. air pressure according to claim 1 drives telescoping buffering automobile collision energy absorption device, it is characterized in that drive block (6) is provided with groove, and the O RunddichtringO is installed in groove, realizes the sealing of mechanism.
CN2009200646988U 2009-06-03 2009-06-03 Collision-buffering energy absorbing device of pneumatic flexible automobile Expired - Lifetime CN201989738U (en)

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Application Number Priority Date Filing Date Title
CN2009200646988U CN201989738U (en) 2009-06-03 2009-06-03 Collision-buffering energy absorbing device of pneumatic flexible automobile

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Application Number Priority Date Filing Date Title
CN2009200646988U CN201989738U (en) 2009-06-03 2009-06-03 Collision-buffering energy absorbing device of pneumatic flexible automobile

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104401275A (en) * 2014-11-16 2015-03-11 银世德 Automobile bumper capable of automatically extending and contracting forwards and backwards
CN105292164A (en) * 2015-10-16 2016-02-03 中南大学 Telescopic device for absorbing collision energy of railway vehicle
CN106364520A (en) * 2016-09-28 2017-02-01 中南大学 Method and system for protecting trains against collisions
CN113212347A (en) * 2021-05-07 2021-08-06 恒大恒驰新能源汽车研究院(上海)有限公司 Energy-absorbing assembly and automobile
CN113799841A (en) * 2021-10-20 2021-12-17 中车青岛四方机车车辆股份有限公司 Rail train anti-creeper and rail train
CN115626132A (en) * 2022-09-05 2023-01-20 北京理工大学 Buffering energy absorption device and control method thereof
WO2023066015A1 (en) * 2021-10-20 2023-04-27 中车青岛四方机车车辆股份有限公司 Rail train smart anti-climbing system, control method, and rail train

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104401275A (en) * 2014-11-16 2015-03-11 银世德 Automobile bumper capable of automatically extending and contracting forwards and backwards
CN105292164A (en) * 2015-10-16 2016-02-03 中南大学 Telescopic device for absorbing collision energy of railway vehicle
WO2017063600A1 (en) 2015-10-16 2017-04-20 中南大学 Telescopic energy-absorbing device for rail vehicle collisions
US10279822B2 (en) 2015-10-16 2019-05-07 Central South University Telescopic type collision energy absorption device for rail vehicle
CN106364520A (en) * 2016-09-28 2017-02-01 中南大学 Method and system for protecting trains against collisions
CN113212347A (en) * 2021-05-07 2021-08-06 恒大恒驰新能源汽车研究院(上海)有限公司 Energy-absorbing assembly and automobile
CN113799841A (en) * 2021-10-20 2021-12-17 中车青岛四方机车车辆股份有限公司 Rail train anti-creeper and rail train
WO2023066015A1 (en) * 2021-10-20 2023-04-27 中车青岛四方机车车辆股份有限公司 Rail train smart anti-climbing system, control method, and rail train
CN115626132A (en) * 2022-09-05 2023-01-20 北京理工大学 Buffering energy absorption device and control method thereof

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Granted publication date: 20110928