CN109130980A - A kind of protection chair - Google Patents
A kind of protection chair Download PDFInfo
- Publication number
- CN109130980A CN109130980A CN201810972368.2A CN201810972368A CN109130980A CN 109130980 A CN109130980 A CN 109130980A CN 201810972368 A CN201810972368 A CN 201810972368A CN 109130980 A CN109130980 A CN 109130980A
- Authority
- CN
- China
- Prior art keywords
- adjusting block
- frame
- cutter
- adjustment hole
- cutter tip
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
- B60N2/42—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats
- B60N2/4207—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats characterised by the direction of the g-forces
- B60N2/4242—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats characterised by the direction of the g-forces vertical
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
- B60N2/42—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats
- B60N2/4249—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats fixed structures, i.e. where neither the seat nor a part thereof are displaced during a crash
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/68—Seat frames
Abstract
The present invention relates to security appliance fields, disclose a kind of protection chair.Protection chair includes the energy-absorbing skeleton for being provided with variable load energy absorption device and the seating frame for carrying occupant.Variable load energy absorption device includes absorption cell and the cutter assembly for being connected to absorption cell, and absorption cell is when being cut component cutting, to the resistance-adjustable of cutter assembly offer；For carrying the seating frame of occupant, takes frame and be connected to cutter assembly.Protection chair absorbs shock loading by way of cutting, makes the kinetic energy for taking frame and its occupant carried can be used in cutting absorption cell, gradually decreases the momentum of occupant, receives injury caused by impact with reduce occupant.The variable load energy absorber of adjustable resistance is utilized in protection chair of the invention, therefore can adjust gear relative to the cutting resistance of absorption cell by adjusting cutter assembly, allows to the protection requirements of the occupant to weight not of the same race.
Description
Technical field
The present invention relates to security appliance fields, in particular to a kind of protection chair.
Background technique
Armored vehicle occupant is seated most of the time during execution task, and seat system is to its fatigue strength
There is important influence with factors such as survival abilities.When land mine and improvised explosive devices are in vehicle bottom explosion time, even if car body
Itself is not seriously damaged, but the impact generated of exploding can also damage passenger, thus armored vehicle seat
It is often equipped with the Explosion protection seat with vibration damping and explosion-proof energy absorption performance.
Energy absorption device is the core component of Explosion protection seat, it absorbs transmitting when armored vehicle meets with blast impulse
Impact energy on to seat is to limit the load being transmitted to occupant, and reducing occupant, (plate armour is not hit in the accident that can survive
Wear) under casualty rate.Generally for playing maximum efficiency within the scope of seat occupant weight, the service load of energy absorption device is
By the design of the 50th percentile seat occupant weight, the occupant for being only 50 percentiles provides best protection, to remaining weight
Occupant cannot then provide preferable protecting effect.When vehicle has been fried, lighter occupant may bear to be more than Human Tolerance pole
The acceleration of limit and cause to damage, heavier occupant vehicle land when may bottom out, strike vehicle
Cause secondary pulse in floor.Therefore the protection for the occupant that existing armored vehicle equipment can not better meet different weight needs
It asks.
Summary of the invention
The purpose of the present invention is to provide a kind of protection chair, the occupant that can better meet different weight is being faced
Protection requirements when impact.
The embodiment of the present invention is achieved in that
A kind of protection chair, comprising:
It is provided with the energy-absorbing skeleton of variable load energy absorption device, variable load energy absorption device includes absorption cell and is connected to absorption cell
Cutter assembly, cutter assembly can cut absorption cell when sliding relative to absorption cell and absorption cell provided instead to cutter assembly
To resistance；Absorption cell is when being cut component cutting, to the resistance-adjustable of cutter assembly offer；
For carrying the seating frame of occupant, takes frame and be connected to cutter assembly.
Further, protection chair further includes side reinforcing strip and four point seat belt, and side reinforcing strip, which is connected to, to be multiplied
The both ends for sitting frame, improve the integral strength of seat frame while providing lateral support for occupant；Four point seat belt peace
On the skeleton for taking frame, constraint occupant moves downwardly together with frame is taken when energy-absorbing.
In an embodiment of the present invention, a side surface of absorption cell is provided with the cutting extended along the first preset direction
Slot, cutting slot have the end face for being cut；
Cutter assembly includes the retainer for being sheathed on absorption cell, be provided on retainer cutter tip, the first adjusting block with
And second adjusting block, cutter tip are connected on the inside of retainer by reset assembly and are extending at least partially into cutting slot, cutting
The cutting edge of cutter head is towards the end face of cutting slot；Reset assembly is used to provide to cutter tip outside on cutting slot depth direction
Restoring force makes cutter tip have the trend moved towards first position；The first adjustment hole and second is provided on retainer to adjust
Knothole, the first adjusting block are slidably disposed in the first adjustment hole, and the second adjusting block is slidably disposed in the second adjustment hole
In；When first adjusting block is along the depth direction sliding of adjusting block mounting hole, cutter tip is optionally pushed into the second position,
When second adjusting block is along the depth direction sliding of the second adjustment hole, cutter tip is optionally pushed into the third place；Wherein,
When cutter tip is located at first position, the second position and the third place, stretch to the depth of cutting slot by shallow and
It is deep.
In an embodiment of the present invention, variable load energy absorption device further includes being connected to the first adjusting block and the second adjusting block
Adjusting component, adjust component and adjusted for adjusting the first adjusting block and the second adjusting block in corresponding first adjustment hole and second
Position in hole, to adjust the location of cutter tip.
In an embodiment of the present invention, it is provided with the groove extended along the first preset direction on the inside of retainer, cuts
Sharpener head is movably connected in groove, and when cutter tip is in first position, cutter tip is bonded the bottom of groove, bite
The blade of head is located in cutting slot；
First adjustment hole and the second adjustment hole are each perpendicular to the extension of the first preset direction, the first adjustment hole and the second adjustment hole
It is connected to bottom portion of groove, the first adjusting block and the second adjusting block respectively can when along the first adjustment hole and the sliding of the second adjustment hole
Selectively cutter tip is pushed to cutting slot bottom direction.
In an embodiment of the present invention, variable load energy absorption device further includes adjusting component, and adjusting component includes rope group
Part and component of pulling pin, tether assemblies include two ropes, and component of pulling pin is adjusted by two ropes and the first adjusting block and second
Locking nub transmission connection pushes cutter tip to control the first adjusting block or the second adjusting block.
In an embodiment of the present invention, variable load energy absorption device includes two cutter tips, two cutter tip settings
In two sides opposite in retainer.
In an embodiment of the present invention, taking frame includes seat frame skeleton, cushion, back frame skeleton, back pad, headrest bone
Frame and the headrest；Cushion is mounted on seat frame skeleton by nylon fastener belt；Back pad is mounted on back frame bone by nylon fastener belt
On frame；The headrest is mounted on head pillow frame by nylon fastener belt.
In an embodiment of the present invention, cushion two sides protrusion and depression in centre, the headrest two sides protrusion and depression in centre.
In an embodiment of the present invention, seat frame skeleton includes U-tube, side stiffening plate, front stiffener, seat frame cross
Bar, back frame connecting plate, side stiffening plate are symmetrically welded on U-tube two sides, and front stiffener is welded in U-tube, back frame skeleton
It is welded in back frame connecting plate.
In an embodiment of the present invention, seat frame skeleton further includes steel wire and flexible braid belt, and steel wire weld is in seat frame cross
On bar, flexible braid belt is equipped with hook, and flexible braid belt, which is intertwined and passes through, hangs over side stiffening plate, front reinforcement
On plate and steel wire.
The beneficial effect of the embodiment of the present invention is:
The protection chair of the embodiment of the present invention includes being provided with the energy-absorbing skeleton of variable load energy absorption device and multiplying for carrying
The seating frame of member.Variable load energy absorption device includes absorption cell and the cutter assembly for being connected to absorption cell, and cutter assembly is opposite
Absorption cell, which can be cut, when absorption cell sliding makes absorption cell provide reversed resistance to cutter assembly；Absorption cell is being cut
When component is cut, to the resistance-adjustable of cutter assembly offer；For carrying the seating frame of occupant, takes frame and be connected to cutting
Component.The protection chair of the embodiment of the present invention absorbs shock loading by way of cutting, makes to take frame and its be carried
Occupant kinetic energy can be used in cut absorption cell, gradually decrease the momentum of occupant, caused with reducing the impact that receives of occupant
Injury.The variable load energy absorber that adjustable resistance is utilized of protection chair of the embodiment of the present invention, therefore adjusting can be passed through
Cutter assembly adjusts gear relative to the cutting resistance of absorption cell, and allowing to the protection to the occupant of weight not of the same race needs
It asks.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the structural schematic diagram of protection chair in the embodiment of the present invention
Fig. 2 is that frame configuration diagram is taken in the embodiment of the present invention；
Fig. 3 is the skeleton structure schematic diagram that frame is taken in the embodiment of the present invention；
Fig. 4 is energy-absorbing skeleton structure schematic diagram in the embodiment of the present invention；
Fig. 5 is the structural schematic diagram of variable load energy absorption device in the embodiment of the present invention；
Fig. 6 is the cross-sectional view of variable load energy absorption device in the embodiment of the present invention；
Fig. 7 is the structural schematic diagram of absorption cell in the embodiment of the present invention；
Fig. 8 is the structural schematic diagram of retainer in the embodiment of the present invention；
Fig. 9 is the energy-absorbing effect schematic diagram of protection chair in the embodiment of the present invention.
Icon: 1000- energy-absorbing skeleton；2000- takes frame；The side 500- reinforcing strip；600- four point seat belt；200-
Seat frame skeleton；210- cushion；300- back frame skeleton；310- back pad；400- head pillow frame；The 410- headrest；201-U shape pipe；202-
Side stiffening plate；203- front stiffener；204- seat frame cross bar；205- back frame connecting plate；206- steel wire；207- hook；208-
Flexible braid belt；220A- first pulls pin component；220B- second pulls pin component；301- back frame stiffening plate；302- back frame vertical bar；303-
Back frame cross bar；304- head rest adjusting knob；401- head pillow frame mobile jib；402- headrest steel wire；01- floor connection member；02- energy-absorbing
Device connects cross bar；03- hex head screw；04- self-locking nut；100- variable load energy absorption device；101- absorption cell；102- is kept
Frame；103- cutter tip；104- shear screw；106- compressed spring；105- adjusts screw；107- holding screw；108- sliding
Film；The first adjusting block of 109A-；The second adjusting block of 109B-；The first rope of 110A-；The second rope of 110B-；1011- cutting slot；
The first hole location of 021-；The second hole location of 022-；023- third hole location；1021- groove；The first adjustment hole of 1022-；1023- second is adjusted
Knothole；1024- shear screw mounting hole；1025- adjusts screw mounting hole；1026- holding screw mounting hole；1027- auricle；
1028- takes frame coupling hole；1029- slip film fixing lug boss；1012- piece strip chip.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the embodiment of the present invention, it should be noted that term " on ", "lower", "vertical", "horizontal", "inner",
The orientation or positional relationship of the instructions such as "outside" be based on the orientation or positional relationship shown in the drawings or the invention product use
When the orientation or positional relationship usually put, be merely for convenience of description of the present invention and simplification of the description, rather than indication or suggestion
Signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this
The limitation of invention.In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, and it should not be understood as instruction or dark
Show relative importance.
In the description of the embodiment of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term
" setting ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, be also possible to detachably connect
It connects, or is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, intermediate matchmaker can also be passed through
Jie is indirectly connected, and can be the connection inside two elements.It for the ordinary skill in the art, can be with concrete condition
Understand the concrete meaning of above-mentioned term in embodiments of the present invention.
As shown in Figure 1, the protection chair of the present embodiment includes energy-absorbing skeleton 1000, takes frame 2000, side reinforcing strip
500, four point seat belt 600.It takes frame 2000 to be bolt-connected on energy-absorbing skeleton 1000, is the movable of protection chair
Part；Side reinforcing strip 500 is connected to the both ends for taking frame 2000, and seating is improved while providing lateral support for occupant
The integral strength of frame 2000；Four point seat belt 600 is mounted on the skeleton for taking frame 2000, when energy-absorbing constraint occupant with
Frame 2000 is taken to move downwardly together.
As shown in Fig. 2, taking frame 2000 includes seat frame skeleton 200, cushion 210, back frame skeleton 300, back pad 310, head
Occipital bone frame 400, the headrest 410；Cushion 210 is mounted on seat frame skeleton 200 by nylon fastener belt, and cushion 210 is set using figuration
Meter, two sides are slightly raised, and provide lateral support for occupant；Back pad 310 is mounted on back frame skeleton 300 by nylon fastener belt；
The headrest 410 is mounted on head pillow frame mobile jib 401 by nylon fastener belt, 410 two sides of headrest protrusion, can be the head of occupant
Lateral protection is provided to prevent from colliding on explosion time head and sharp objects.It should be appreciated that in other embodiments of the invention,
The mounting means of cushion 210, back pad 310 and the headrest 410 can also pass through the other modes such as bondage, bonding.
As shown in figure 3, back frame skeleton 300 is welded on the back frame connecting plate 205 of seat frame skeleton 200；Head pillow frame 400 is pacified
Mounted in the top of back frame vertical bar 302,401 lower end of head pillow frame mobile jib is equipped with multistage hole location, can pass through head rest adjusting knob 304
The height of headrest is adjusted, to adapt to the occupant of different sitting heights, headrest steel wire 402 is welded in the middle part of head pillow frame 400, improves and multiplies
The head support of member, and there is effectiveness in vibration suppression.
Seat frame skeleton 200 includes U-tube 201, side stiffening plate 202, front stiffener 203, seat frame cross bar 204, back frame
Connecting plate 205, steel wire 206, hook 207, flexible braid belt 208 and component of pulling pin.Side stiffening plate 202 is symmetrically welded at U-tube
201 two sides, front stiffener 203 are welded on the front end of U-tube 201, and steel wire 206 is welded on seat frame cross bar 204.Flexible braid belt
208 are equipped with hook 207, and flexible braid belt 208 is mutually mutually staggered, and hang over side stiffening plate 202, front by hook 207
In stiffening plate 203 and steel wire 206；Flexible braid belt 208 replaces traditional metal plate seat surface, had not only alleviated seat-weight but also had played
Effectiveness in vibration suppression increases riding comfort.
As shown in figure 3, back frame skeleton 300 includes adding back frame stiffening plate 301, back frame vertical bar 302, back frame cross bar 303, head rest
Adjusting knob 304, hook 207 and the different flexible braid belt 208 of length.205 one end of back frame connecting plate is welded on seat frame side and adds
On strong plate 202, one end is welded in back frame stiffening plate 301, which is provided with the hole location of connection energy-absorbing skeleton 1000.With seat frame skeleton
Flexible braid belt 208 in 200 is similar, and back frame skeleton 300 also replaces traditional metal backing using flexible braid belt, equally has and subtracts
The advantages of light seat-weight, raising effectiveness in vibration suppression, increase riding comfort.
Referring to figure 3. to Fig. 6, in the present embodiment, variable load energy absorption device is set to energy-absorbing skeleton 1000 comprising energy-absorbing
Part 101 and the cutter assembly for being connected to absorption cell 101, cutter assembly can cut suction when sliding relative to absorption cell 101
Energy part 101 makes absorption cell 101 provide reversed resistance to cutter assembly；Absorption cell 101 is when being cut component cutting, to cutting
The resistance-adjustable of component offer is cut, to adapt to different loads.It takes frame 2000 and is connected to cutter assembly.
Specifically in the present embodiment, as shown in figure 4, energy-absorbing skeleton 1000 includes two variable load energy-absorbings being left and right symmetrically arranged
Device 100, floor connection member 01, energy absorption device connect cross bar 02, hex head screw 03, self-locking nut 04.Variable load energy absorption device
100 upper end is connected to energy absorption device by hex head screw 03 and self-locking nut 04 and connects on cross bar 02, and lower end passes through hexagonal
Head screw 03 and self-locking nut 04 are connected on floor connection member 01.Floor, two variable load energy absorption devices 100, energy absorption device connect
It connects cross bar 02 and forms a quadrilateral frame, increase the stability of endergonic process.
Variable load energy absorption device 100 includes absorption cell 101, retainer 102, cutter tip 103, shear screw 104, reset group
Part, holding screw 107, slip film 108, the first adjusting block 109A, the second adjusting block 109B and two ropes.Retainer 102
It is connected on absorption cell 101 by 4 shear screws 104, when input shock loading is not up to setting value, by shear screw
104 support seat moving parts and human body weight, shear screw 104 can also act the work for preventing the fatigue of absorption cell 101, creep
With；When reaching setting shock loading value, shear screw 104 is cut, and retainer 102 drives 103 slide downward of cutter tip, is led to
It crosses 103 cutting metal tubing of cutter tip and absorbs impact energy.Slip film 108 be mounted on absorption cell 101 and retainer 102 it
Between, it is fixed by holding screw 107, it play the guiding role during energy-absorbing.Variable load energy absorption device 100 includes two bites
First 103, two cutter tips 103 are set to two sides opposite in retainer 102.Reset assembly to cutter tip 103 for mentioning
For restoring force mobile (far from absorption cell 101) outward.
As shown in fig. 7, absorption cell 101 is circular hollow metal tube, it is symmetrically arranged with cutting slot 1011 on absorption cell 101, is cut
The lower end for cutting slot 1011 is equipped with 45 ° of chamferings, to reduce the S.acus Linnaeus exact of cutting initial stage.Connection is additionally provided on absorption cell 101
Energy absorption device connects the first hole location 021 of cross bar 02, connects the second hole location 022 and connection shear screw of floor connection member 01
104 third hole location 023.
As shown in figure 8, the fluted 1021, first adjustment hole 1022, the second adjustment hole 1023, shearing is arranged in retainer 102
Screw mounting hole 1024 adjusts screw mounting hole 1025, holding screw mounting hole 1026, auricle 1027, takes frame coupling hole
1028, slip film fixing lug boss 1029.Cutter tip 103 is connected to the inside of retainer 102 and at least partly by reset assembly
Stretch to cutting slot 1011, the cutting edge of cutter tip 103 is towards the end face of cutting slot 1011；Reset assembly is used for cutter tip
103 provide restoring force outside on 1011 depth direction of cutting slot, has cutter tip 103 and moves towards first position
Trend.First adjustment hole 1022 and the second adjustment hole 1023 are each perpendicular to the extension of the first preset direction, the first adjustment hole 1022 with
Second adjustment hole 1023 is connected to the bottom groove 1021 (see Fig. 8), the first adjusting block 109A and the second adjusting block 109B difference
Optionally by cutter tip 103 to 1011 bottom of cutting slot when along the first adjustment hole 1022 and the sliding of the second adjustment hole 1023
Portion direction pushes.
First adjusting block 109A is slidably disposed in the first adjustment hole 1022, and the second adjusting block 109B is slideably set
It is placed in the second adjustment hole 1023；It is alternative when first adjusting block 109A is along the depth direction sliding of the first adjustment hole 1022
Cutter tip 103 is pushed into the second position by ground can when the second adjusting block 109B is along the depth direction sliding of the second adjustment hole 1023
Cutter tip 103 is selectively pushed into the third place；Wherein, when cutter tip 103 is located at first position, the second position
And when the third place, the depth of cutting slot 1011 is stretched to by shallow and deep, respectively corresponds three gears: 1 gear, 2 gears and 3
Gear.Gear number is higher, and cutting depth is deeper when cutting, and resistance is bigger, and the load that can be born is also bigger.
As shown in fig. 6, cutter tip 103 is hard alloy cutter, retainer is movably connected on by adjusting screw 105
In 102 groove 1021, compressed spring 106 is sheathed on adjusting screw 105 and is mounted in adjusting screw mounting hole 1025.Work as cutting
When cutter head 103 is in first position, cutter tip 103 is bonded the bottom of groove 1021, and the blade of cutter tip 103 is located at cutting
In slot 1011.Adjusting block (including the first adjusting block 109A and the second adjusting block 109B) is equipped with the installation of tether assemblies bulb
Slot and guiding surface, so that adjusting block jacks up cutter tip 103 when gear adjusting.
Further, variable load energy absorption device 100 further includes adjusting component, and adjusting component includes tether assemblies and group of pulling pin
Part, tether assemblies include the first rope 110A and the second rope 110B, and component of pulling pin is adjusted with first respectively by two ropes
Block 109A and the second adjusting block 109B transmission connection pushes bite to control the first adjusting block 109A or the second adjusting block 109B
First 103.
Component of pulling pin includes that the first component 220A and second that pulls pin pulls pin component 220B, and side stiffening plate 202 is equipped with peace
Fill the sliding hole location for component of pulling pin.The first component 220A that pulls pin by the first rope 110A is connected to the first adjusting block 109A, and
The two component 220B that pull pin by the second rope 110B are connected to the second adjusting block 109B, when multiplying for different percentiles (different weight)
After member takes seat, according to the corresponding gear of its weight regulation.The first component 220A and second component 220B that pulls pin that pulls pin locates
In the lowermost hole location, the energy-absorbing load of variable load energy absorption device 100 is minimum at this time, meets the 5th percentile (small weight) occupant
Energy-absorbing demand；Pull pin that component 220A is in the hole location of the top, the second component 220B that pulls pin is in the lowermost hole when first
When position, the energy-absorbing load that variable load energy absorption device 100 provides meets the energy-absorbing demand of 50 percentile occupants；It pulls pin component when first
220A is in the lowermost hole location, second pulls pin component 220B when being in the hole location of the top, what variable load energy absorption device 100 provided
Energy-absorbing load meets the energy-absorbing demand of 95 percentile occupants (big weight).
In the present embodiment, compressed spring 106 and adjusting screw 105 form reset assembly, adjust one end of screw 105
It is threadedly coupled with cutter tip 103, the other end for adjusting screw 105 is arranged compressed spring 106, makes it have outside reply
Power.Such as Fig. 5~Fig. 8, in the present embodiment, when gear is 1 gear, will be adjusted under the action of compressed spring 106 screw 105 to
It bounces outside, drives cutter tip 103, contact its upper surface and the bottom surface of groove 1021, cutter tip 103 can be cut at this time
The material for the absorption cell 101 cut is most thin, and cutting force is minimum, and the cutting force provided meets the energy-absorbing requirement of the 5th percentile occupant.When
When gear is 2 gear, variable load adjusts first and pulls pin component 220A by the first rope 110A the first adjusting block of pulling 109A, and first adjusts
Locking nub 109A heads into cutter tip 103 to the cutting slot 1011 of absorption cell 101, and the cutting force provided meets 50 percentile occupants
Energy-absorbing requirement.When gear be 3 gear when, variable load adjust second pull pin component 220B by the second rope 110B pull second adjust
Block 109B, due to the second adjusting block 109B thickness be greater than the first adjusting block 109A, can will deeper by cutter tip 103 to
The cutting slot 1011 of absorption cell 101 heads into, and the material for the absorption cell 101 that cutter tip 103 can be cut at this time is most thick, provides
Cutting force is maximum, meets the energy-absorbing requirement of the 95th percentile occupant.
Fig. 9 shows the present invention with the schematic diagram after the Explosion protection seat energy-absorbing of variable load energy absorption device, when seat institute
It is loaded reach setting shock loading value when, shear screw 104 is cut, and absorption cell 101 is cut to piece strip chip 1012,
By cutting the explosion impact energy for absorbing and being transmitted on seat.
To sum up, the protection chair of the embodiment of the present invention includes being provided with the energy-absorbing skeleton of variable load energy absorption device and for holding
The seating frame for the person of taking out.Variable load energy absorption device includes absorption cell and the cutter assembly for being connected to absorption cell, and cutter assembly exists
Absorption cell, which can be cut, when relative to absorption cell sliding makes absorption cell provide reversed resistance to cutter assembly；Absorption cell is in quilt
When cutter assembly is cut, to the resistance-adjustable of cutter assembly offer；For carrying the seating frame of occupant, takes frame and be connected to
Cutter assembly.The protection chair of the embodiment of the present invention absorbs shock loading by way of cutting, makes to take frame and its institute
The kinetic energy of the occupant of carrying can be used in cutting absorption cell, gradually decrease the momentum of occupant, receive impact with reduce occupant
Caused by injure.The variable load energy absorber of adjustable resistance is utilized in the protection chair of the embodiment of the present invention, therefore can pass through
It adjusts cutter assembly and adjusts gear relative to the cutting resistance of absorption cell, allow to the protection of the occupant to weight not of the same race
Demand.
These are only the preferred embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.All within the spirits and principles of the present invention, it is made it is any modification,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of protection chair characterized by comprising
It is provided with the energy-absorbing skeleton of variable load energy absorption device, the variable load energy absorption device includes absorption cell and is connected to the energy-absorbing
The cutter assembly of part, the cutter assembly can cut the absorption cell when relative to absorption cell sliding and make the suction
Energy part provides reversed resistance to the cutter assembly；The absorption cell by the cutter assembly when being cut, to the cutting
The resistance-adjustable that component provides；
For carrying the seating frame of occupant, the seating frame is connected to the cutter assembly.
2. protection chair according to claim 1, which is characterized in that a side surface of the absorption cell is provided with along first
The cutting slot that preset direction extends, the cutting slot have the end face for being cut；
The cutter assembly includes the retainer for being sheathed on the absorption cell, and cutter tip, first are provided on the retainer
Adjusting block and the second adjusting block, the cutter tip are connected on the inside of the retainer by reset assembly and are at least partly stretched
Enter to the cutting slot, the cutting edge of the cutter tip is towards the end face of the cutting slot；The reset assembly is used for described
Cutter tip provides restoring force outside on the cutting slot depth direction, has the cutter tip towards first position
The trend of movement；The first adjustment hole and the second adjustment hole are provided on the retainer, first adjusting block is slideably set
It is placed in first adjustment hole, second adjusting block is slidably disposed in second adjustment hole；Described first adjusts
When locking nub is along the depth direction sliding of the adjusting block mounting hole, the cutter tip is optionally pushed into the second position,
When second adjusting block is along the depth direction sliding of second adjustment hole, the cutter tip is optionally pushed into the
Three positions；Wherein, when the cutter tip is located at the first position, the second position and the third place
When, the depth of the cutting slot is stretched to by shallow and deep.
3. protection chair according to claim 2, which is characterized in that the variable load energy absorption device further include be connected to it is described
The adjusting component of first adjusting block and second adjusting block, the adjusting component is for adjusting first adjusting block and described
Position of second adjusting block in corresponding first adjustment hole and second adjustment hole, to adjust the cutter tip institute
The position at place.
4. protection chair according to claim 3, which is characterized in that be provided on the inside of the retainer along described first
The groove that preset direction extends, the cutter tip is movably connected in the groove, when the cutter tip is in described the
When one position, the cutter tip is bonded the bottom of the groove, and the blade of the cutter tip is located in the cutting slot；
First adjustment hole and the second adjustment hole are each perpendicular to first preset direction and extend, first adjustment hole and institute
It states the second adjustment hole to be connected to the bottom portion of groove, first adjusting block and second adjusting block are respectively along described
One adjustment hole and second adjustment hole optionally push away the cutter tip to the cutting slot bottom direction when sliding
It is dynamic.
5. protection chair according to claim 2, which is characterized in that the variable load energy absorption device further includes adjusting component,
The adjusting component includes tether assemblies and component of pulling pin, and the tether assemblies include two ropes, and the component of pulling pin is logical
Cross two ropes and first adjusting block and second adjusting block be sequentially connected, with control first adjusting block or
Second adjusting block pushes the cutter tip.
6. protection chair according to claim 2, which is characterized in that the variable load energy absorption device includes two cuttings
Cutter head, two cutter tips are set to two sides opposite in the retainer.
7. protection chair according to claim 1 to 6, which is characterized in that the seating frame includes seat frame bone
Frame, cushion, back frame skeleton, back pad, head pillow frame and the headrest；The cushion is mounted on the seat frame bone by nylon fastener belt
On frame；The back pad is mounted on the back frame skeleton by nylon fastener belt；The headrest is mounted on by nylon fastener belt
On the head pillow frame.
8. protection chair according to claim 7, which is characterized in that cushion two sides protrusion and depression in centre, it is described
The headrest two sides protrusion and depression in centre.
9. protection chair according to claim 7, which is characterized in that the seat frame skeleton includes U-tube, side reinforcement
Plate, front stiffener, seat frame cross bar, back frame connecting plate, the side stiffening plate are symmetrically welded on the U-tube two sides, institute
It states front stiffener and is welded in the U-tube, the back frame skeleton is welded in the back frame connecting plate.
10. protection chair according to claim 9, which is characterized in that the seat frame skeleton further includes that steel wire and flexibility are knitted
Band, for the steel wire weld on the seat frame cross bar, the flexible braid belt is equipped with hook, the interlaced row of flexible braid belt
It arranges and is hung on the side stiffening plate, the front stiffener and the steel wire by described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810972368.2A CN109130980B (en) | 2018-08-24 | 2018-08-24 | Protective seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810972368.2A CN109130980B (en) | 2018-08-24 | 2018-08-24 | Protective seat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109130980A true CN109130980A (en) | 2019-01-04 |
| CN109130980B CN109130980B (en) | 2020-05-22 |
Family
ID=64827820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810972368.2A Active CN109130980B (en) | 2018-08-24 | 2018-08-24 | Protective seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109130980B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112009327A (en) * | 2019-05-29 | 2020-12-01 | 福雷亚自动模式有限公司 | Motor vehicle seat |
| CN112498391A (en) * | 2019-09-16 | 2021-03-16 | 格拉默公司 | Seat arrangement for a vehicle |
| CN113276756A (en) * | 2021-07-21 | 2021-08-20 | 成都交投建筑工业化有限公司 | Conveying device and box girder conveying method |
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| US20100230988A1 (en) * | 2009-03-11 | 2010-09-16 | Arcca Incorporated | Dual stage variable load energy absorber for vehicle seating |
| CN103025572A (en) * | 2010-06-01 | 2013-04-03 | 艾伦-先锋公司 | Blast attenuation seat |
| CN202952859U (en) * | 2011-11-15 | 2013-05-29 | 丰田纺织株式会社 | Vehicle seat |
| CN204736725U (en) * | 2014-03-06 | 2015-11-04 | 明门(中国)幼童用品有限公司 | Safe seat strutting arrangement |
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| US20100230988A1 (en) * | 2009-03-11 | 2010-09-16 | Arcca Incorporated | Dual stage variable load energy absorber for vehicle seating |
| CN103025572A (en) * | 2010-06-01 | 2013-04-03 | 艾伦-先锋公司 | Blast attenuation seat |
| CN202952859U (en) * | 2011-11-15 | 2013-05-29 | 丰田纺织株式会社 | Vehicle seat |
| CN204736725U (en) * | 2014-03-06 | 2015-11-04 | 明门(中国)幼童用品有限公司 | Safe seat strutting arrangement |
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| CN112009327A (en) * | 2019-05-29 | 2020-12-01 | 福雷亚自动模式有限公司 | Motor vehicle seat |
| CN112498391A (en) * | 2019-09-16 | 2021-03-16 | 格拉默公司 | Seat arrangement for a vehicle |
| CN113276756A (en) * | 2021-07-21 | 2021-08-20 | 成都交投建筑工业化有限公司 | Conveying device and box girder conveying method |
| CN113276756B (en) * | 2021-07-21 | 2021-09-17 | 成都交投建筑工业化有限公司 | Conveying device and box girder conveying method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109130980B (en) | 2020-05-22 |
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Effective date of registration: 20221031 Address after: 441000 Xiangzhou Economic Development Zone (hopai Industrial Park), Xiangyang City, Hubei Province Patentee after: XIANGYANG XINDA HUITONG MACHINERY Co.,Ltd. Address before: No. 296, Longzhong Road, Xiangcheng District, Xiangyang City, Hubei Province Patentee before: HUBEI University OF ARTS AND SCIENCE |