CN109849751A - A kind of seat crash energy absorption equipment - Google Patents
A kind of seat crash energy absorption equipment Download PDFInfo
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- CN109849751A CN109849751A CN201910226573.9A CN201910226573A CN109849751A CN 109849751 A CN109849751 A CN 109849751A CN 201910226573 A CN201910226573 A CN 201910226573A CN 109849751 A CN109849751 A CN 109849751A
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- connecting rod
- wind spring
- steel disc
- seat
- energy
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- 238000010521 absorption reaction Methods 0.000 title claims abstract description 22
- 230000007246 mechanism Effects 0.000 claims abstract description 36
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 33
- 239000010959 steel Substances 0.000 claims abstract description 33
- 239000006096 absorbing agent Substances 0.000 claims abstract description 6
- 230000001133 acceleration Effects 0.000 claims abstract description 4
- 230000008034 disappearance Effects 0.000 claims abstract description 4
- 230000003116 impacting effect Effects 0.000 claims abstract description 4
- 230000035939 shock Effects 0.000 claims abstract description 4
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract 3
- 230000000694 effects Effects 0.000 claims description 9
- 230000003028 elevating effect Effects 0.000 claims description 6
- 238000004080 punching Methods 0.000 claims 1
- 230000033001 locomotion Effects 0.000 abstract description 8
- 238000004880 explosion Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000034994 death Effects 0.000 description 1
- 231100000517 death Toxicity 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- Seats For Vehicles (AREA)
Abstract
The invention belongs to chair art, especially a kind of seat crash energy absorption equipment.The lower section of seat is set, comprising: X link mechanism, energy absorber and supporting mechanism.Supporting mechanism includes top base and bottom base, the rear end of link mechanism is fixed, and front end is slidably disposed on the sliding rail of pedestal on the base, and pitman shaft is respectively set between the two upper and lower pedestals of column, fixing wound has steel disc wind spring on pitman shaft, and the steel disc wind spring other end is fixed on wind spring fixed block.Under high acceleration shock, steel disc wind spring, which opens forward, absorbs impact energy, connecting rod mechanism movement, constraint chair vertical moves downward, and avoids occupant and secondary collision occurs for car body, after impacting disappearance, the energy of storage slowly dissipates, and steel disc wind spring is realized and resetted by natural resiliency back shrinkage.The application upholds band movable slider by wind spring and moves along sliding rail, seat sinks, and can significantly alleviate impact energy by setting guide rail slide block mechanism and using the characteristic of steel disc wind spring itself.
Description
Technical field
The invention belongs to chair art, especially a kind of seat crash energy absorption equipment.
Background technique
Since " 15 ", my army starts the protective capacities for paying attention to developing military vehicle, has successively carried out special vehicle occupant
The research of restraint system.Anti- landmine explosion impact seat mainly the situations such as bears blast impulse, collides, falls, rolls in vehicle
Under, effective space can be utilized, occupant's impact strength is buffered, absorbs impact energy, and the motion range of operative constraint occupant,
The impact peak value that occupant is received and time control are in the range of safety.Due to vehicle lightweight and cost requirement, anti-land mine
Blast impulse seat is also contemplated that lightweight and cost factor.
Currently, research not enough full maturity of the China in Explosion protection seat.Under pyroshock environment, protection chair
Security performance be just particularly important.Seat under explosion environment is primarily subjected to vertical explosion blanking lotus and hits, occupant restraint
The effect of system headrest, backrest and safety belt is so big not as good as conventional butt accounting, and main energy-absorbing effect is embodied in special suction
It can buffer structure.Current have a buffering, energy-absorbing, and the seat of protective properties mainly falls energy-absorbing seat from helicopter and fighter plane
It uses for reference.But falling environment and explosion environment has sizable difference, current protection chair can not be realized to occupant's
Omnibearing protection.Document " improvement of seat bottom protective performance and Parameter analysis under blast impulse ", Li Hao etc., science and technology and work
2017,17 (29): journey points out that the seat of different installation has biggish difference under explosion environment in 273-280..Therefore,
How the risk of occupant injury under explosion environment is preferably minimized is a great problem.
Summary of the invention
Technical problem solved by the invention is to provide a kind of seat crash energy absorption equipment.
The technical solution for realizing the aim of the invention is as follows:
The lower section of seat is arranged in a kind of seat crash energy absorption equipment, described device, and described device includes:
Elevating mechanism: for realizing the lifting of seat；
Energy absorber: alleviate and absorb impact energy；
Supporting mechanism: being fixed on vehicle floor, and for fixing and supporting seat；The elevating mechanism and energy-absorbing
Mechanism is arranged on supporting mechanism.
Further, the elevating mechanism is X connecting rod lifting mechanism.
Further, the supporting mechanism includes the bottom base and top base for being divided into the strip of two column setting, the lower base
Seat is arranged on vehicle floor, and seat is fixedly mounted on top base；The X connecting rod lifting mechanism is two sets, is separately positioned on
Between two column top bases and bottom base.
Further, the X connecting rod lifting mechanism includes hinged first connecting rod and second connecting rod, the first connecting rod and
The rear end of second connecting rod is fixed on the rear end of top base and bottom base, the first connecting rod and second connecting rod by connecting rod fixed block
Front end sliding on top base and bottom base is realized by sliding equipment.
Further, two vertical plates are set on the connecting rod fixed block, through-hole is set on vertical plate, the first connecting rod and the
The rear end of two connecting rods is hinged by bolt and vertical plate.
Further, the sliding equipment includes moving mass, sliding block and sliding rail, and the sliding rail is arranged in top base and lower base
The surface of seat, the setting that the moving mass slide by sliding block on the slide rail, moving mass top set there are two vertical plate, set on vertical plate
It is equipped with through-hole, the front end of the first connecting rod and second connecting rod is spindle rotationally arranged on vertical plate by pitman shaft, pitman shaft
End is fixed by nut.
Further, the energy absorber includes pitman shaft, steel disc wind spring and wind spring fixed block；The wind spring fixed block is
U-shaped structure is respectively fixedly disposed on top base and bottom base, and it is solid that the rear end of the steel disc wind spring is detachably mounted to wind spring
Determine on block, the front end of the steel disc wind spring is fixed on pitman shaft, and the steel disc wind spring is on pitman shaft；
Under high acceleration shock, when impact is more than the startup power of steel disc wind spring, steel disc wind spring opens forward absorption impact
Energy, sliding block drive moving mass to move along sliding rail, while link mechanism and then moves, constrain chair vertical on the device to
Lower movement, avoids passenger and secondary collision occurs for car body, and after impacting disappearance, the energy of storage slowly dissipates, steel disc
Wind spring passes through natural resiliency back shrinkage, the reset effect of realization device.
Further, the first connecting rod of the X connecting rod lifting mechanism and the initial angle of second connecting rod are set as 90 °.
Further, the size of first connecting rod, second connecting rod and sliding rail is adjusted according to vehicle body space.
Compared with prior art, the present invention its remarkable advantage is as follows:
(1) seat crash energy absorption equipment provided by the present application, certainly by setting guide rail slide block mechanism and using steel disc wind spring
The characteristic of body is upheld band movable slider by wind spring and is moved along sliding rail, and seat sinks, and can significantly alleviate impact energy.Significantly
Reduce the risk of passenger's damage.
(2) impact operating condition can be acted on human body by seat crash energy absorption equipment provided by the present application, slide block movement process
Time pulse width it is elongated, prevent occupant and car body collision.After impact, spring coiling resetting is realized reusable slow
Energy absorption device is rushed, cost also greatly reduces.
(3) seat crash energy absorption equipment provided by the present application is adapted to different by changing connecting rod and sliding rail size
Vehicle body space and human body need, and further improve the availability of the device.
(4) seat crash energy absorption equipment provided by the present application, response frequency is higher, under explosion environment energy-absorbing effect compared with
It is good.
Present invention is further described in detail with reference to the accompanying drawing.
Detailed description of the invention
Fig. 1 the application crash energy absorption equipment schematic three dimensional views.
Fig. 2 the application seat crash energy absorption equipment original state.
Fig. 3 the application seat crash energy absorption equipment energy-absorbing state.
Description of symbols:
1- bottom base, 2- glidepath, 3- top base, 4- first connecting rod, 5- steel disc wind spring, 6- connecting rod fixed block, 7- wind spring
Fixed block, the upper sliding rail of 8-, 9- second connecting rod, 10- sliding block, 11- moving mass, 12- bolt, 13- wind spring fixed block, 14- nut,
15- pitman shaft.
Specific embodiment
It is below with reference to the accompanying drawings and in conjunction with the embodiments, next that the present invention will be described in detail.
The problem for aiming to overcome that energy-absorbing seat buffering energy-absorbing element difference of exploding in the prior art of the application, to mention
For a kind of novel seat crash energy absorption equipment, the energy under impact operating condition can be effectively absorbed, according to occupant and car body needs
Itself size is adjusted, while realizing nonexpondable function.
As shown in Figure 1, a kind of seat crash energy absorption equipment, including top base 3, steel disc wind spring 5, bottom base 1, sliding rail, cunning
Block and connecting rod.The top base 3 is connect by bolt with sliding rail, sliding block, and 3 upper end of top base is connect with vehicle seat, bottom base 1
It is connect with vehicle floor.
The device in impact process sliding block along sliding rail drive link motion, steel disc wind spring 5 absorb energy, the device seat
There is movement vertically downward, slide block guide rail system can not returned to original state by energy impact, to realize reuse.
The steel disc wind spring 5 is connect by wind spring fixed block 7 with top base 3 according to requirement, part and company before wind spring
Bar axis is fixed by nut, allows to drive link motion, can be realized and be resetted according to natural resiliency after impact.
Four connecting rods are symmetrically placed, and connecting rod rear portion is connected by connecting rod fixed block, the relatively upper bottom base of connecting rod fixed block
It does not move.Connecting rod front is connect with moving mass, is moved together with sliding rail, sliding block and moving mass.
Sliding-rail sliding and moving mass mechanism are connect with bottom base 1, the placement symmetrical above and below of sliding-rail sliding mechanism, constraint connecting rod with
Moving mass movement, realizes 5 energy-absorbing of steel disc wind spring.
The steel disc wind spring 5 distribution symmetrical above and below, connect with wind spring fixed block 7.
Steel disc wind spring 5 is laterally disposed to carry out dismantling connection, and device institute stress is not had an effect when startup power is not achieved, even
Bar will not move.Link mechanism start angle is 90 °.
As shown in Figure 1-3, a kind of seat energy absorption buffer unit, whole device is real by the natural resiliency of steel disc wind spring 5
The storage and absorption of existing energy, whole device includes bottom base 1 and top base 3, glidepath 2 and upper sliding rail 8, sliding block 10, steel disc
Wind spring 5, link mechanism composition, sliding-rail sliding mechanism move under impact, which is absorbed by steel disc wind spring 5 after energy
It will not be destroyed, can return to original state, to realize reusable energy-absorbing buffer device.
Under explosion or other high acceleration shocks, when impact is more than the startup power of steel disc wind spring, steel disc wind spring 5 is forward
It opens and absorbs impact energy, sliding block 10 drives moving mass 11 to move along sliding rail, while link mechanism also and then moves, Neng Gouyue
Chair vertical on the beam device moves downward, and avoids passenger and secondary collision occurs for car body, effectively avoid and multiply
The injures and deaths of member.After impacting disappearance, the energy of storage slowly dissipates, and wind spring passes through natural resiliency back shrinkage, realization device
Reset effect.The device connecting rod initial angle is set as 90 °, can be adapted to not by adjusting the size of connecting rod size and sliding rail
Same vehicle body space has preferable effect in the matching of different vehicles.Fig. 2 can be clearly seen that the seat crash energy absorption equipment
Original state, experience impact after as shown in Figure 3 the seat integrally hang down moves down, steel disc wind spring realize energy storage effect.
Claims (9)
1. a kind of seat crash energy absorption equipment, which is characterized in that the lower section of seat is arranged in described device, and described device includes:
Elevating mechanism: for realizing the lifting of seat；
Energy absorber: alleviate and absorb impact energy；
Supporting mechanism: being fixed on vehicle floor, and for fixing and supporting seat；The elevating mechanism and energy absorber
It is arranged on supporting mechanism.
2. the apparatus according to claim 1, which is characterized in that the elevating mechanism is X connecting rod lifting mechanism.
3. the apparatus of claim 2, which is characterized in that the supporting mechanism includes the strip for being divided into the setting of two column
Bottom base (1) and top base (3), the bottom base (1) are arranged on vehicle floor, and seat is fixedly mounted on top base (3)；
The X connecting rod lifting mechanism is two sets, is separately positioned between two column top bases (3) and bottom base (1).
4. device according to claim 3, which is characterized in that the X connecting rod lifting mechanism includes hinged first connecting rod
(4) and second connecting rod (9), the rear end of the first connecting rod (4) and second connecting rod (9) is fixed on by connecting rod fixed block (6)
It is realized by sliding equipment the front end of the rear end of pedestal (3) and bottom base (1), the first connecting rod (4) and second connecting rod (9)
Sliding on top base (3) and bottom base (1).
5. device according to claim 4, which is characterized in that two vertical plates, vertical plate are arranged on the connecting rod fixed block (6)
The rear end of upper setting through-hole, the first connecting rod (4) and second connecting rod (9) is hinged by bolt (12) and vertical plate.
6. device according to claim 4, which is characterized in that the sliding equipment includes moving mass (11), sliding block (10)
And sliding rail, on the surface of top base (3) and bottom base (1), the moving mass (11) is sliding by sliding block (10) for the sliding rail setting
On the slide rail, moving mass (11) top is set there are two vertical plate for dynamic setting, is provided with through-hole, the first connecting rod (4) on vertical plate
It is spindle rotationally arranged on vertical plate with the front end of second connecting rod by pitman shaft (15), the end of pitman shaft (15) passes through nut
(14) fixed.
7. device according to claim 6, which is characterized in that the energy absorber includes pitman shaft (15), steel disc wind spring
(5) and wind spring fixed block (7)；The wind spring fixed block (7) is U-shaped structure, is respectively fixedly disposed at top base (3) and bottom base
(1) on, the rear end of the steel disc wind spring (5) is detachably mounted on wind spring fixed block (7), before the steel disc wind spring (5)
End is fixed on pitman shaft (15), and the steel disc wind spring (5) is on pitman shaft (15)；
Under high acceleration shock, when impact is more than the startup power of steel disc wind spring (4), steel disc wind spring (5) opens forward absorption punching
Energy is hit, sliding block (10) drives moving mass (11) to move along sliding rail, while link mechanism and then moves, and constrains on the device
Chair vertical moves downward, and avoids passenger and secondary collision occurs for car body, after impacting disappearance, the energy of storage is slowly
It dissipates, steel disc wind spring (4) passes through natural resiliency back shrinkage, the reset effect of realization device.
8. device according to claim 7, which is characterized in that the first connecting rod (4) of the X connecting rod lifting mechanism and second
The initial angle of connecting rod (9) is set as 90 °.
9. device according to claim 8, which is characterized in that adjust first connecting rod (4), second connecting rod according to vehicle body space
(9) and the size of sliding rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910226573.9A CN109849751A (en) | 2019-03-25 | 2019-03-25 | A kind of seat crash energy absorption equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910226573.9A CN109849751A (en) | 2019-03-25 | 2019-03-25 | A kind of seat crash energy absorption equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109849751A true CN109849751A (en) | 2019-06-07 |
Family
ID=66901951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910226573.9A Pending CN109849751A (en) | 2019-03-25 | 2019-03-25 | A kind of seat crash energy absorption equipment |
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| Country | Link |
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| CN (1) | CN109849751A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113715708A (en) * | 2021-08-25 | 2021-11-30 | 东风越野车有限公司 | Lightning protection seat and vehicle |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6274728A (en) * | 1985-09-30 | 1987-04-06 | Nissan Motor Co Ltd | Seat for vehicle |
| JPH0649170U (en) * | 1992-12-08 | 1994-07-05 | 株式会社アイテス | Suspension device with variable damping force for vehicle seats |
| KR20050118763A (en) * | 2004-06-15 | 2005-12-20 | 현대자동차주식회사 | Suspension mechanism for automobile seat |
| KR20150073686A (en) * | 2013-12-23 | 2015-07-01 | 볼보 컨스트럭션 이큅먼트 에이비 | suspension of Operator's seat |
| KR101736699B1 (en) * | 2016-12-23 | 2017-05-17 | 서한교 | Height adjustment device of wheelchair seat with shock absorber |
| CN209852127U (en) * | 2019-03-25 | 2019-12-27 | 南京理工大学 | Seat buffering energy-absorbing device |
-
2019
- 2019-03-25 CN CN201910226573.9A patent/CN109849751A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6274728A (en) * | 1985-09-30 | 1987-04-06 | Nissan Motor Co Ltd | Seat for vehicle |
| JPH0649170U (en) * | 1992-12-08 | 1994-07-05 | 株式会社アイテス | Suspension device with variable damping force for vehicle seats |
| KR20050118763A (en) * | 2004-06-15 | 2005-12-20 | 현대자동차주식회사 | Suspension mechanism for automobile seat |
| KR20150073686A (en) * | 2013-12-23 | 2015-07-01 | 볼보 컨스트럭션 이큅먼트 에이비 | suspension of Operator's seat |
| KR101736699B1 (en) * | 2016-12-23 | 2017-05-17 | 서한교 | Height adjustment device of wheelchair seat with shock absorber |
| CN209852127U (en) * | 2019-03-25 | 2019-12-27 | 南京理工大学 | Seat buffering energy-absorbing device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113715708A (en) * | 2021-08-25 | 2021-11-30 | 东风越野车有限公司 | Lightning protection seat and vehicle |
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