CN103692938B - Safety seat and its energy absorption device - Google Patents
Safety seat and its energy absorption device Download PDFInfo
- Publication number
- CN103692938B CN103692938B CN201310605045.7A CN201310605045A CN103692938B CN 103692938 B CN103692938 B CN 103692938B CN 201310605045 A CN201310605045 A CN 201310605045A CN 103692938 B CN103692938 B CN 103692938B
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- China
- Prior art keywords
- seat
- frame
- absorbing
- positioning
- sliding seat
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Abstract
The invention discloses a kind of safety seat and its energy absorption device, the energy absorption device in the after-frame of the after-frame in positioning framework of floating frame between be equipped with energy absorption device, energy absorption device includes the positioning seat being oppositely arranged up and down and sliding seat, it is spacing between positioning seat and sliding seat to be equipped with power-absorbing, and sliding seat and positioning seat be respectively equipped be connected to floating frame after-frame while attachment structure and when being hinged on locating support after-frame on articulated structure.When front part of vehicle collides, passenger and driver drive the chair back to tumble forward or backward by seat belt above the waist, now floating frame after-frame can be being stretched by energy absorption device or during compression set framework after-frame, in stretching or compression process, in energy absorption device, sliding seat and positioning seat can be moved towards, so that power-absorbing is by crumple energy-absorbing, so that the impulsive force that floating frame after-frame side is acted on energy absorption device is absorbed by power-absorbing, the safety of passenger and driver when front part of vehicle collides is improve.
Description
Technical field
The present invention relates to a kind of safety seat and its energy absorption device.
Background technology
At present, recently as the fast development of automobile industry, various vehicles are more and more, cause vehicle accident therefrom
Incidence rate also more and more higher, and more than the seventy percent of urban highway transit accident occupied road transport major traffic accidents, greatly
The health and life of driver and occupant are threaten, is shown according to the statistical study to a large amount of automobile collision accidents, vehicle occurs
The ratio of front shock accounts for more than 50%.In car once there is front shock accident, that most dangerous is driver, due to
China's relevant laws and regulations also imperfect to the protection of bus man, the design of front shock accident microbus armchair structure is not
Driver and occupant can be protected well, therefore car needs a kind of safety seat of endergonic structure, to reduce front shock
When to driver and the instantaneous impact of occupant, while seat intensity need to be strengthened, protection driver and occupant safety.
A kind of mechanical type seat damping, the damping are disclosed in the Chinese patent of Application No. 201220408376.2
Mechanism is included the floating frame of the positioning framework being connected with body platform frame and the connection of chair cushion skeleton and is bridged in floating frame
Arm support and positioning framework between, two transposition arm bottoms of arm support are respectively hinged on positioning framework, transposition arm
Before and after top, guiding movement is assemblied on floating frame, and shifting is oriented to before and after being installed with two transposition arms of arm support respectively
The dynamic fixed plate being assemblied on floating frame and the axle rod being assemblied in by guiding movement before and after roller on floating frame, solid
Two damping springs are fixed with fixed board, damping spring is fixed with spring plate away from one end of fixed plate, and spring plate passes through
The rod hinge connection being hinged thereon is swung on the oscillating deck of assembling on floating bracket, and on oscillating deck, slidable fit has along the longitudinal direction
Worm drive are connected to the screw rod on floating frame after-frame side, and bridge between floating frame and positioning framework and be obliquely installed
Hydraulic damping bar, when in use, adjust the pretightning force of damping spring by screw rod, and the chair cushion in seat be subject to downward
During pressure, two transposition arm tops of arm support are moved away from floating frame, so that damping spring stretching, floating frame
Decline, while hydraulic damping bar is shunk under the compressing of floating frame, so as to pass through damping spring and hydraulic damping bar to floating
Framework applies reverse resistance upwards to slow down the downward impulsive force on chair cushion.But when front part of vehicle collides, passenger
Or driver can drive whole automotive seat to tumble forward by seat belt, now the active force suffered by floating frame will be forward
The moment of torsion tumbled, such hydraulic damping bar will be difficult to apply corresponding reversely resistance to floating frame in extended state, with
Cause whole damping reach buffering impulsive force of tumbling forward, passenger or driver then can directly bear the impulsive force and make
Into personal injury.
The content of the invention
It is an object of the invention to provide the impulsive force of tumbling forward that is subject to of seat is inhaled during a kind of buffering vehicle front shock
Energy device, while additionally providing a kind of safety seat using the energy absorption device.
In order to realize object above, the technical scheme of energy absorption device of the present invention is as follows：
A kind of energy absorption device, it is including the positioning seat and sliding seat that are oppositely arranged up and down, spacing between positioning seat and sliding seat
It is equipped with for deforming the power-absorbing for absorbing impulsive force by crumple, the intensity of power-absorbing is less than positioning seat and sliding seat
Intensity, and attachment structure and articulated structure are respectively equipped with positioning seat and sliding seat.
Be installed with the sliding seat limit on positioning seat is assemblied in along positioning seat and sliding seat relative direction guiding movement
Position body, limit body are provided with from one end of positioning seat dorsad sliding seat the external part for stretching out away from one end of sliding seat.
The removable body for being fixed with empty set in power-absorbing periphery on the positioning seat, the sliding seat is along power-absorbing pressure
Dynamic direction guiding movement is assemblied in set in vivo, and the perforation passed through for limit body external part is offered on positioning seat.
The limit body includes the lead column being installed in power-absorbing and lead column away from the fixed company in sliding seat one end
Fishplate bar, offers the bolt through-hole that a row is intervally arranged along positioning seat and sliding seat relative direction on the connecting plate.
Thin-wall corrugated tube of the power-absorbing for metal material.
The technical scheme of safety seat of the present invention is as follows：
A kind of safety seat, including by the positioning framework and floating frame of arm support floating connection, the floating frame
The after-frame of frame in the after-frame of positioning framework between be equipped with for preventing the suction of floating frame and positioning framework motion opposite to each other
Energy device, the energy absorption device include the positioning seat being oppositely arranged up and down and sliding seat, spacing dress between positioning seat and sliding seat
It is furnished with for deforming the power-absorbing for absorbing impulsive force by crumple, the intensity of power-absorbing is less than the strong of positioning seat and sliding seat
Degree, and after sliding seat and positioning seat are respectively equipped with and are connected to the attachment structure on floating frame after-frame side and are hinged on locating support
Articulated structure on frame side.
Be installed with the sliding seat limit on positioning seat is assemblied in along positioning seat and sliding seat relative direction guiding movement
Position body, limit body are provided with from one end of positioning seat dorsad sliding seat the external part for stretching out away from one end of sliding seat.
The limit body includes the lead column being installed in power-absorbing and lead column away from the fixed company in sliding seat one end
Fishplate bar, offers the bolt through-hole that a row is intervally arranged along positioning seat and sliding seat relative direction on the connecting plate.
Thin-wall corrugated tube of the power-absorbing for metal material.
Above the floating frame, floating assembly has cushion frames, between cushion frames after-frame is in floating frame after-frame
Bridge joint is fixed with buffer strip, and the buffering carries two or more and left and right is intervally arranged.
The present invention in the after-frame of the after-frame in positioning framework of floating frame between be equipped with energy absorption device, energy absorption device
It is including the positioning seat and sliding seat that are oppositely arranged up and down, spacing between positioning seat and sliding seat to be equipped with power-absorbing, and living
Dynamic seat and positioning seat be respectively equipped be connected to floating frame after-frame while attachment structure and when being hinged on locating support after-frame on
Articulated structure.In normal vehicle operation, floating frame passes through arm support floating connection above locating support, so that
Arm support can slow down the impulsive force that chair cushion pitches, and improve the riding comfort of passenger and driver；Occur in front part of vehicle
During collision, passenger and driver drive the chair back to tumble forward or backward by seat belt above the waist, now floating frame after-frame side meeting
Stretched by energy absorption device or compression set framework after-frame side, in stretching or compression process, in energy absorption device sliding seat and
Positioning seat can be moved towards, so that power-absorbing is by crumple energy-absorbing, so that floating frame after-frame side is acted on energy absorption device
Impulsive force absorbed by power-absorbing, until power-absorbing is by after conquassation, sliding seat can by relative block on positioning seat so that
Floating frame after-frame when positioning framework after-frame is assemblied in by energy absorption device anti-avulsion on, prevent the upper part of the body of passenger and driver after
It is continuous to bend down forward or steeve, so that safety seat is when front part of vehicle collides, i.e., can absorb upper half of human body and bow
Under impulsive force, slow down the impulsive force of tumbling forward or backward that seat is subject to；Can guarantee that human body will not bend down always or steeve again,
Improve the safety of passenger and driver when front part of vehicle collides.
Description of the drawings
Fig. 1 is the structural representation of safety seat embodiment of the present invention；
Fig. 2 is the structural representation of energy absorption device part in Fig. 1；
Fig. 3 is that Fig. 2 is removing body and the structural representation after sleeve；
Fig. 4 is the attachment structure schematic diagram of sliding seat and limit body in Fig. 2；
Fig. 5 is the attachment structure schematic diagram of body and sleeve in Fig. 2.
Specific embodiment
The embodiment of safety seat of the present invention：As shown in Figures 1 to 5, the safety seat is by being oriented to before and after guide rail mechanism
Floating frame and floating frame by arm support floating connection is assemblied in above the positioning framework on Floor-board frame, positioning framework
The cushion frame of floating connection above frame, the wherein structure of positioning framework, floating frame and cushion frame and floating connection side
Formula belongs to prior art, and difference is, when floating frame after-frame is in 2 and positioning framework after-frame 3 between be equipped with two it is right
Title is arranged in the energy absorption device of the chair cushion left and right sides, and energy absorption device includes the connecting bracket being welded on floating frame after-frame side 2
9th, in connecting bracket 9, fixed discoid sliding seat 7c of bolted limit body 7,7 lower end of limit body one, welding are connected
Shell-like is rotated on hinge that left and right fixed on articulated stand 10, pivoting support on positioning framework after-frame side 3 extends, hinge
Sleeve 5a, the body 5 of sleeve 5a upper ends welding, the discoid positioning seat 6 of 5 threaded upper ends of body connection, wherein positioning seat 6
Center position offer the perforation for extending up and down, limit body 7 is by being oriented to the lead column and the guiding that are installed in perforation up and down
The connecting plate of the fixed strip of post upper end one is constituted, and the lower end of lead column is integrally installed in sliding seat 7c center position, living
The external diameter but the internal diameter less than body 5 with diameter greater than power-absorbing of dynamic seat 7c, the upper and lower guiding movement of sliding seat 7c are assemblied in set
In body 5, it is and positioned opposite about 6 with positioning seat, it is spacing between sliding seat 7c and positioning seat 6 to be equipped with power-absorbing 8.Energy-absorbing
Element 8 be made up of metal material and its mechanical strength less than other parts ripple energy-absorbing pipe, it is ensured that power-absorbing 8 has
Certain intensity simultaneously can occur crumple deformation and carry out energy-absorbing, and energy absorption is big.
Body 5 is the cylinder of upper end open, lower end closed, and the top of body 5 is divided into thin wall circular rod structure, in body
5 left and right sides symmetrically offers the square observation port for extending up and down, is machined with and positioning on the upper end internal face of body 5
The female thread of 6 threaded connection of seat, female thread extends to the top of observation port, and is provided with spacing being sleeved in the lower end of positioning seat 6
The circle set 6a of 8 upper end of power-absorbing periphery.The lower end of body 5 is welded on the outer peripheral face of sleeve 5a by necking down end, and is passed through
The articulated structure that sleeve 5a, hinge and pivoting support are formed causes positioning seat 6 to be hinged on the after-frame side of locating support, and is hinged
Support 10 is U-shaped support, and hinge is bolt of the bridge joint between the vertical plates on both sides of U-shaped support.
The bolt through-hole 7a that a row extends up and down is offered on connecting plate, is equipped with connecting bracket 9 and is located in the spiral shell
Regulating bolt in bolt via 7a, and connecting bracket 9 is a few word steel brackets.Regulating bolt can be selected one and is installed on each bolt through-hole
In one of them of 7a, so that sliding seat 7c passes through limit body 7, regulating bolt and the attachment structure of the formation of connecting bracket 9 is connected
On the after-frame side of floating frame.
Between when floating frame after-frame is in 2 and cushion frames after-frame 1, bridge joint has two or so spaced apart buffer strips,
Buffer strip is by high mechanical strength and ribbon made by the material of soft texture, and the two ends riveting of buffer strip is connected in floating frame
After-frame at 2 and cushion frames after-frame 1 on.
The operation principle of the present embodiment is：When there is front shock, the driver for fastening the safety belt or occupant are due to inertia
Power drives backrest to impact forward, and in impact process, buffer strip is first straightened, and alleviates occupant's moment to a certain extent and rushes
Power is hit, the connecting bracket 9 that inertia force is continued through on floating frame after-frame side 2 pulls limit body 7, in the sliding seat of limit body 7
Under 7c effects, deform 8 crumple of power-absorbing, absorb collision energy, so as to reach the purpose for reducing seat malformation itself.
In the presence of inertia force, power-absorbing 8 continues by conquassation, and after power-absorbing 8 is by complete conquassation, sliding seat 7c is positioned
Seat 6 stops that the device not redeformation, so as to be fixedly connected positioning framework after-frame at 3 and floating frame after-frame 2, makes positioning
2 relative displacements at 3 and floating frame after-frame of framework after-frame no longer change, and now play reinforcement armchair structure effect, subtract
Little armchair structure deformation.Therefore, when automotive front collides, when backrest is anteriorly impacted by inertia force, seat is inhaled
Can device energy-absorbing is deformed by 8 conquassation of power-absorbing, absorb the impact energy of seat, so as to reduce seat this body structure
Deformation, after ripple energy-absorbing pipe is by complete conquassation, the device further functions as the effect for strengthening armchair structure, improves seat pair
The protective capability of occupant.
In the above-described embodiments, sliding seat is after limit body and the connection of connecting bracket adjustable bolt are connected in floating frame
On frame side, positioning seat is hinged on positioning framework after-frame side, in other embodiments by body, sleeve and pivoting support, living
Can also exchange at the position of dynamic seat and positioning seat, i.e., sliding seat is hinged on positioning framework after-frame side, and positioning seat is connected in
On floating frame after-frame side；In addition, connecting bracket can also be articulated stand structure, so as to be connected to floating frame with corresponding unit
The connected mode of part is all hinged.
In the above-described embodiments, lower section of the sliding seat in positioning seat, stopping means are by prevention sliding seat from body
Pull out crumple energy-absorbing, in other embodiments, sliding seat can also be in positioning seat top, to should stopping means also may be used
To buffer the downward impulsive force that chair cushion is subject to.
In the above-described embodiments, safety seat is automotive seat, and in other embodiments, the safety seat can also be winged
Safety seat on the equipment such as machine, steamer.
In the above-described embodiments, power-absorbing is corrugated tube, in other embodiments, power-absorbing can also be straight tube,
The power-absorbings such as cylinder.
The embodiment of the energy absorption device of the present invention：The structure of energy absorption device and energy-absorbing dress in above-described embodiment in the present embodiment
The structure put is identical, therefore repeats no more.
Claims (4)
1. a kind of safety seat, including by the positioning framework and floating frame of arm support floating connection, it is characterised in that institute
It is equipped with for preventing floating frame and positioning framework opposite between the after-frame of floating frame is stated in the after-frame of positioning framework
The energy absorption device of motion, the energy absorption device include the positioning seat being oppositely arranged up and down and sliding seat, positioning seat and sliding seat it
Between it is spacing be equipped with for deforming the power-absorbing for absorbing impulsive force by crumple, the intensity of power-absorbing is less than positioning seat and work
The intensity of dynamic seat, and sliding seat and positioning seat be respectively equipped be connected to floating frame after-frame side attachment structure and be hinged on it is fixed
Articulated structure on the support after-frame side of position, on the positioning seat, the removable body for being fixed with empty set in power-absorbing periphery, described
Sliding seat presses direction guiding movement along power-absorbing and is assemblied in set in vivo, and offers on positioning seat for limit body external part
The perforation for passing through, is installed with the sliding seat and is assemblied on positioning seat along positioning seat and sliding seat relative direction guiding movement
Limit body, limit body are provided with from one end of positioning seat dorsad sliding seat the external part for stretching out, limit body away from one end of sliding seat
Lower end is integrally installed with discoid sliding seat, when safety seat is subject to impact forward, the one end of limit body away from sliding seat
Away from fixed seat.
2. safety seat according to claim 1, it is characterised in that the limit body includes being installed in power-absorbing
Lead column and lead column offer a row along positioning seat and activity away from the fixed connecting plate in sliding seat one end on the connecting plate
The bolt through-hole that seat relative direction is intervally arranged.
3. according to the safety seat described in claim 1 or 2, it is characterised in that the power-absorbing is thin for metal material
Wall corrugated tube.
4. according to the safety seat described in claim 1 or 2, it is characterised in that above the floating frame, floating assembly has
Cushion frames, cushion frames after-frame in floating frame after-frame between bridge joint be fixed with buffer strip, the buffering carries two
More than, and left and right be intervally arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310605045.7A CN103692938B (en) | 2013-11-26 | 2013-11-26 | Safety seat and its energy absorption device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310605045.7A CN103692938B (en) | 2013-11-26 | 2013-11-26 | Safety seat and its energy absorption device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103692938A CN103692938A (en) | 2014-04-02 |
| CN103692938B true CN103692938B (en) | 2017-04-05 |
Family
ID=50354664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310605045.7A Expired - Fee Related CN103692938B (en) | 2013-11-26 | 2013-11-26 | Safety seat and its energy absorption device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103692938B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3034056B1 (en) * | 2014-12-18 | 2017-11-29 | Permobil AB | Seat arrangement and electrically powered wheelchair comprising the same |
| JP2020050096A (en) * | 2018-09-26 | 2020-04-02 | いすゞ自動車株式会社 | Vehicle seat |
| CN109823244A (en) * | 2019-02-19 | 2019-05-31 | 江铃汽车股份有限公司 | Automotive seat and automobile |
| CN110962717B (en) * | 2019-12-12 | 2021-07-16 | 江西金酷科技有限公司 | Seat waist support and manufacturing method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB803806A (en) * | 1955-11-15 | 1958-11-05 | Fritz Bremshey | Improvements relating to seats, for example, for vehicles |
| US3743230A (en) * | 1970-12-14 | 1973-07-03 | Freedman Seating Co | Vehicle seat suspension system with height and ride indicator |
| WO1997008012A1 (en) * | 1995-08-22 | 1997-03-06 | Alliedsignal Inc. | Locking and tensioning device for a slidable seat |
| US5975508A (en) * | 1995-09-06 | 1999-11-02 | Applied Power Inc. | Active vehicle seat suspension system |
| CN101746301A (en) * | 2010-02-01 | 2010-06-23 | 宋嗣新 | Vehicular seat damping system |
| CN202528880U (en) * | 2012-03-12 | 2012-11-14 | 宁波南方减震器制造有限公司 | Automobile seat shock absorber |
| CN203637629U (en) * | 2013-11-26 | 2014-06-11 | 郑州宇通客车股份有限公司 | Safety seat and energy-absorbing device thereof |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB774129A (en) * | 1954-06-25 | 1957-05-08 | Woodhead Monroe Ltd | Improvements in or relating to seat suspensions |
| DE7113072U (en) * | 1971-04-05 | 1971-07-01 | Gebr Isringhausen | VEHICLE SEAT WITH WEIGHT ADJUSTMENT |
-
2013
- 2013-11-26 CN CN201310605045.7A patent/CN103692938B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB803806A (en) * | 1955-11-15 | 1958-11-05 | Fritz Bremshey | Improvements relating to seats, for example, for vehicles |
| US3743230A (en) * | 1970-12-14 | 1973-07-03 | Freedman Seating Co | Vehicle seat suspension system with height and ride indicator |
| WO1997008012A1 (en) * | 1995-08-22 | 1997-03-06 | Alliedsignal Inc. | Locking and tensioning device for a slidable seat |
| US5975508A (en) * | 1995-09-06 | 1999-11-02 | Applied Power Inc. | Active vehicle seat suspension system |
| CN101746301A (en) * | 2010-02-01 | 2010-06-23 | 宋嗣新 | Vehicular seat damping system |
| CN202528880U (en) * | 2012-03-12 | 2012-11-14 | 宁波南方减震器制造有限公司 | Automobile seat shock absorber |
| CN203637629U (en) * | 2013-11-26 | 2014-06-11 | 郑州宇通客车股份有限公司 | Safety seat and energy-absorbing device thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103692938A (en) | 2014-04-02 |
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Granted publication date: 20170405 Termination date: 20191126 |