CN102217999A - Levering spoke wheel type wheelchair capable of going upstairs and downstairs - Google Patents
Levering spoke wheel type wheelchair capable of going upstairs and downstairs Download PDFInfo
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- CN102217999A CN102217999A CN2011101778492A CN201110177849A CN102217999A CN 102217999 A CN102217999 A CN 102217999A CN 2011101778492 A CN2011101778492 A CN 2011101778492A CN 201110177849 A CN201110177849 A CN 201110177849A CN 102217999 A CN102217999 A CN 102217999A
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- hung scroll
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Abstract
The invention discloses a manpower wheelchair capable of going upstairs and downstairs with a load and realizing the turning at the angle close to 90 degrees, which does not need an expensive and heavy electromechanical device, thus the wheelchair has the advantage of low cost, is practical and light, can be folded to be stored and can be pushed on the flat ground. In the wheelchair disclosed by the invention, the expansion type lever handle of the wheelchair realizes that a common person can freely go upstairs and downstairs with the person having slightly larger weight for the first time by utilizing the multiple difference between the force applying end and work applying of a fulcrum as the work applying force of force moment multiple amplification; the end oblique angle type shifting shaft in the sleeve at the lower end of a lever guarantees that the lever is in reciprocating return and applies the work along the direction of the shaft; a spoke wheel group comprises multiple sets of brackets and small wheels which are installed on a hub plate; the shifting shaft respectively shifts each bracket to drive the wheelchair to go upwards; a stop clamping shaft clamps the small wheels to be immovable when the wheelchair goes upstairs and downstairs; the bearing transition spring piece on the frame changes the longitudinal load force into the horizontal bearing load instantly when the small wheels are in contact with the ground; the rear end of the seat beam anticlockwise conducts the load through a damping spring; and a self-dropping antiskid support plate automatically guarantees the safety when the wheelchair goes upstairs and downstairs.
Description
Technical field
The mankind pose as live in building after, just be last downstairs have a headache not with, elevator has appearred after 18th century, situation has just had improvement, even to this day, elevator has developed into a single-row industry, promoted the human civilization progress, but the most people in the world still live in the house that does not have elevator, do not have at elevator and just mean that the wherein handicapped people who lives upstairs has lost the extraneous power of contact, quality of life suffers a disastrous decline, for solving the common recognition problem of this aging society, comprise Thyssen Krupp elevator company, the world has all paid great efforts to the most important awards of inventor " Massachusetts science and engineering rely on mayer gloomy " prize winner Dien Kamans (Dean ka men) in interior enterprise and scientist, and attempt is worked out and a kind ofly can not seen successfully so far at the apparatus of common building stair activity.
Technical background
China's population has entered the senescence stage, only add up about the scheme that installs elevator at aging blocks additional according to the Guangzhou government that announces, 1,000,000 family threescores above aged family in Guangzhou lives in the building that does not have elevator, because of stair activity really the difficulty, some handicapped old men have to not go out the door for a long time, to quality of life is declined to a great extent, the date becomes flat and insipid, and urgency is being had a heart but no strength in mind but the member of family health watches with the tail of one's eye; The love policy of local government can only be laid aside and neglected but because of a variety of causes is obstructed for many years.All there is same problem in countries in the world in fact, people have also paid huge effort for this reason for many years: as the machine of going upstairs of Thyssen Krupp elevator company research and development, the balustrade that relies on the repacking reinforcing is as the plane tooth bar, by by the motor gear interlock scrolling stair activity on the bearing platform that hangs over handrail, this machinery also has introduction in China, is installed in the subway Wheelchair Accessible, but because of apparatus expensive and huge heavy, need professional's operation, so utilization rate is few; Introduce according to another No. 6367817 patent literary compositions of the U.S.: world's " bad mayer is gloomy " invention award winner's Dien Kaman also proposed similar machinery of going upstairs with motor-driven in one's early years; Sum up the reason why these machineries can not use on common building stair: the one, determined its radius of turn can not turn too greatly or at all on the structure; The 2nd, because of the use of electromechanical power make equipment huge heavy, cost an arm and a leg, operate difficult, these seemingly are difficult to the technical bottleneck of going beyond.
The present invention summarizes to above problem, uses the actual demand of mechanically going downstairs according to common building, but the wheelchair that prizes the wheeled stair activity of vertically hung scroll with the lever of brand new ideas design is according to the design that following innovation is arranged: because after elongating
Telescopic lever CrankUtilize it
FulcrumBetween the force side amplify with multiple with acting end length multiple difference apart and do power, so manpower is pulled
CrankThe power gradation that produces prizes
Vertically hung scroll wheel frame plateThe time, can satisfy a healthy people fully the people that one individual weight is a bit larger tham self is pushed to the required power of stair, this wheelchair designs in view of the above
CrankThe upper level stair are whenever pulled in the graded acting that moves in circles one time; The design of wheelchair branch side acting can ensure that it carries out the turning at nearly 90 ° of angles in corridor; Wheelchair
Vertically hung scroll wheel frame plateOn
SteamboatStoppable, required retroaction frictional force when going upstairs with increase; Wheelchair
Vehicle body frameUtilize
Load-bearing transition spring leafCan be horizontal load-bearing with vertical gravity moment transition; Wheelchair
The damping extension springBecause of the reverse conduction gravity that makes progress, improved the manned comfort level of wheelchair; Wheelchair
Gravity is from the bob formulaAnti-
The landing faggingEffectively ensured the safety of using; Wheelchair
Both sides flexibly connect crossCan when depositing, the wheelchair doubling be packed up; Certainly, except that stair activity, this wheelchair also can as usually promote on the level land to use; Price is determined in the acceptable scope of ordinary people.
Summary of the invention
In the wheelchair of the present invention
Telescopic lever crankAfter the elongation, apart from himself
Crank fulcrum installing holeDistance, multiple greater than
Installing holeDistance
Crank lower end U type installing plateDistance, therefore with
Installing holeFor fulcrum is pulled
The lever handleThe time, its
Lower end U type peace The dress plateJust can the multiple amplification pull
CrankPower, this power of pulling of being amplified by lever is exactly the power that this wheelchair can be gone upstairs; Crank
Lower end U type installing plateOn be equipped with
Crank handle sleeve barrel,
SleeveOn have
Advance,
Stop using,
RetreatDeng
Moving-limit grooveAnd the arbitrary groove of arrival position
Pass through groove,
Termination oblique angle type dial axisBe contained in
SleeveIn,
Dial axisBe equipped with on the axle body
Handle,
Handle SleeveInterior can the drive
Dial axisEnter
SleeveArbitrary groove inner control
Dial axisFlexible and acting direction,
SleeveAfterbody
Dial axis stretches out the top spring automaticallyProvide
Dial axisAutomatically the tension force that stretches out,
Dial axisThe inclined-plane of termination runs into
Vertically hung scroll wheel frame plateThe pressure that produces when the time can be utilized the inclined-plane motion drives
Dial axisOvercome
The top springTension force is shunk back, and treats
Dial axisBy
Frame plateAfter
Dial axisThe termination exists again
The top springThe tension force effect under stretch into
Frame plateBetween;
Dial axisThe plane acting of termination runs into
Frame plateShi Zeke drives
Frame plateAround
Vertically hung scroll wheel axisRotate, like this
The lever crankThe each drive
Dial axisThe front end planar axes can oppositely drive again after acting
Dial axisThe front end inclined-plane is reset to the acting angle of next time and does work again, goes round and begins again;
Dial axisThe inclined-plane towards by
HandleResiding
Moving-limit grooveDecision; And
Handle Inactive grooveThe time,
The dial axis terminationThen withdrawal
SleeveIn block no longer and stretch out, wheelchair can promote on the level land.
Wheelchair of the present invention
Back vertically hung scroll wheel center hub plate axisOn be equipped with
Crank fulcrum installing hole, make
The lever crankThe lower end
Dial axisWith
Back vertically hung scroll wheelCoaxial rotation,
Dial axisCan arrive in view of the above
Back vertically hung scroll wheelThe acting angle of arbitrary needs;
The hub plateOn array is housed
The vertically hung scroll wheel Frame plate,
Frame plateOn respectively be equipped with
Steamboat, because the basic retroaction frictional force that wheelchair is gone upstairs by
SteamboatAnd produce between the stair panel, so when the wheelchair stair activity,
SteamboatCan not rotate; Exist for this reason
Frame plateBetween be equipped with
Steamboat stop axis,
AxisActing by being contained in
The hub plateOn
The stop top boardControl, when
The stop top board is depressed trigger pieceWhen being depressed, will drive
The stop top boardRotate,
Stop Top boardGo up and each
AxisCorresponding
High arc positionTo drive
AxisEnter
The protruding position of steamboat panel cardBetween block
SteamboatCan not rotate;
The stop top PlateOn
The block board self-locking deviceLocking
AxisActing state when stair activity;
Pull self-locking device and decontrol handle,
Axis compression bullet SpringTop power will drive
The stop top boardReset,
AxisBullet advances
Top board Low arc position,
SteamboatRecover to rotate, wheelchair can promote on the level land.
Because wheelchair of the present invention both sides
The vertically hung scroll wheelRotate respectively,
Telescopic lever crankWith brake gear as only driving its respective side
The vertically hung scroll wheelRotate or stop: when a side wheel stops on the car, the wheel that opposite side rotates can be that rotate around stopping driving wheel in the axle center to stop driving wheel then, wheelchair all can carry out the turning at nearly 90 ° of angles when stair activity or level land promotion like this, has solved the problem that wheelchair takes a sudden turn when the stair activity road.
Wheelchair of the present invention by
Back vertically hung scroll wheel supportSupport
Back vertically hung scroll wheels,
SupportUpwards pass through
Load-bearing transition spring leafWith
Back vertically hung scroll The wheel faggingConnect, when the wheelchair load-carrying, its reversal of load be designed to by
Seat beam,
The damping extension spring,
The oblique straining beam of load-bearingJust arrive
Back vertically hung scroll wheel fagging, pass through again
Spring leafConduct to
Back vertically hung scroll wheel support, finally by
Back vertically hung scroll wheelsRely on the stair face to support, reverse supporting construction of the present invention advantage performance when the wheelchair stair activity is particularly outstanding: because the inclination of stair moves after making load,
Back vertically hung scroll wheelBear most load, when
The vertically hung scroll wheelWhen moving in turn, quality vertically downward is in process
Spring leafDuring transition, utilize
Spring leafFlexibility, power will convert forward level to load-bearing with obtain the buffering of moment longitudinally, effectively slow down headstock and produce perk, the safety that has improved the wheelchair stair activity because of vibrations;
The damping extension springThen play a part the seat damping.
In the wheelchair of the present invention, the left and right sides to the lining
Forward and backward vertically hung scroll wheelsBy
Forward and backward vertically hung scroll wheel supportSupport,
Forward and backward Width of cloth wheel supportBy
Front and back wheel connects crossbeamConnect,
CrossbeamFront end all is equipped with
Gravity self hang down type anti-slip fagging,
FaggingUnidirectional warp
Movable Back shaftInstall, wheelchair go upstairs preceding will
FaggingFrom
Fagging prong shell fragment bucklePull out,
FaggingBecause sole mass weighs down time naturally, wheelchair is up the time
FaggingTo move by stair jack-up with vehicle body and not influence wheelchair upstairs; Wheelchair as because of any reason under stair during landing,
FaggingStaircase boards can in time be propped up because of deadweight in the rear end, stops the landing of wheelchair when going upstairs, and this is safety guarantee parts of the present invention.
Wheelchair to the lining
Front and back wheel connects crossbeamFront end also is equipped with
Foot-operated beamWith
Fagging under the seat Fagging under the seatWith
Damping The stretching bullet SpringThe front and back support
Seat beam Seat beamOn also be equipped with
Fagging on the seat,
Fagging on the seatWith
The oblique straining beam of load-bearingThe front and back support is lived
Wheelchair The handrail beam, wheelchair is with this integrant vehicle frame.
Wheelchair of the present invention
Brake lever,
The brake steel wire rope,
Movable support rodAnd can hold tightly
Vertically hung scroll wheel center hub plate The brake filmBe the parts that downstairs design for wheelchair, when
Vertically hung scroll wheel steamboatQuilt
The stop axisAfter locked, by
Steel wire ropeTension
Movable support rodDrive
The brake filmControl
The center hub plateVelocity of rotation, go downstairs with regard to the may command wheelchair.
The wheelchair of the present invention left and right sides by
Both sides flexibly connect crossConnect, cooperate
The foot-operated cushion that connects in both sides,
The both sides seat connects Connect cushion,
The both sides backrest connects cushionBut, make wheelchair in time spent centering stored collapsed not.
Description of drawings
Fig. 1 is an overall schematic of the present invention; Fig. 2 is a right view of the present invention; Fig. 3 is that the A-A of Fig. 2 turns to enlarged drawing.
Among the figure 1
, telescopic lever crank, 2,
Crank fulcrum installing hole, 3,
Crank lower end U type installing plate, 4,
Crank is flexible Automatically screens heading, 5,
Crank handle sleeve barrel, 6,
Sleeve advanced potential moving-limit groove, 7,
The inactive position of a sleeve moving-limit groove, 8,
Sleeve backwards The position moving-limit groove, 9,
Sleeve handle passes through groove, 10,
Termination oblique angle type dial axis, 11,
Dial axis handling maneuver handle, 12,
Dial axis certainly The moving top spring that stretches out, 13,
Back vertically hung scroll wheels, 14,
Vertically hung scroll wheel center hub plate, 15,
Vertically hung scroll wheel axis, 16,
Vertically hung scroll wheel axis axle Hold, 17,
The combination of stop top board, 18,
Stop top board sliding floor, 19,
The high arc of stop top board position, 20
Arc position at the bottom of the stop top board, 21,
Stop top board depress plate handle, 22,
Stop top board block board, 23,
The block board self-locking device, 24,
Self-locking device is installed pin, 25,
The self-locking device torsion spring, 26,
The automatic dop of self-locking device, 27,
Self-locking device is decontroled handle, 28,
Vertically hung scroll wheel frame plate, 29,
Steamboat The stop axis, 30,
The axis abutment sleeve, 31,
Axis compression spring, 32,
Vertically hung scroll wheel steamboat, 33,
The protruding position of steamboat panel card, 34,
The steamboat wheel shaft, 35,
Back vertically hung scroll wheel support, 36,
Load-bearing transition spring leaf, 37
Back vertically hung scroll wheel fagging, 38,
Load-bearing is tiltedly drawn Beam, 39,
The damping extension spring, 40,
Seat beam, 41,
Front and back wheel connects crossbeam, 42,
Preceding vertically hung scroll wheel support, 43,
Preceding article Width of cloth wheels, 44,
Gravity is from weighing down the anti-slip fagging, 45,
Fagging movable supporting axle, 46
Fagging prong shell fragment buckle, 47,
Foot-operated Beam, 48,
The foot-operated beam in both sides connects cushion, 49,
The both sides seat connects cushion, 50,
The both sides backrest connects cushion, 51,
Seat Following fagging, 52,
Fagging on the seat, 53,
Both sides flexibly connect crossFrame, 54,
The movable installing plate of cross, 55,
Cross The activity orientation axis, 56,
The lever handle, 57,
Cart handle, 58,
Brake lever, 59,
The brake steel wire rope, 60
Brake glue Sheet, 61,
Brake film movable support rod, 62,
Crank prong shell fragment buckle, 63,
The wheelchair armrest beam
The specific embodiment
Will
Telescopic lever crank(1) from
Crank prong shell fragment buckle(62) pull out in, elongate and quilt
Automatically screens heading(4) behind the location,
The lever crankThe upper end
The lever handle(56) apart from self
Crank fulcrum installing hole(2) distance, multiple greater than
Peace The dress holeDistance
Crank lower end U type installing plate(3) distance, wheelchair of the present invention
Crank fulcrum installing hole(2) with by number overlap
Vertically hung scroll The wheel frame plate(28) form
Back vertically hung scroll wheels(13) coaxial being assemblied in
Vertically hung scroll wheel axis(15) on, so manpower is pulled
Flexible Formula lever crank(1)
The lever handle(56),
Crank lower end U type installing plate(3) multiple ground amplifies the dynamics that manpower is pulled equally, and this moment of being amplified by multiple prizes
Vertically hung scroll wheel frame plate(28) also drive
Back vertically hung scroll wheelsWhen (13) the branch angle was rotated one by one, wheelchair had just had the power of single-frame going upstairs;
Crank lower end U type installing plate(3) fixedly mounted on
The crank cover Tube(5),
SleeveHave on the stack shell
Sleeve advanced potential moving-limit groove(6),
The inactive position of a sleeve moving-limit groove(7),
Sleeve backwards position restraint Groove(8) three road axial grooves are with this three road
Moving-limit grooveThe rear end have communicate laterally
Sleeve handle passes through groove(9);
Crank handle sleeve barrel(5) assembling is in
Termination oblique angle type dial axis(10),
Dial axisBe equipped with on the axle body
Dial axis handling maneuver handle(11),
Handle Cover TubeDifferent slots in can drive
Dial axisBe in different acting states,
Dial axisThe back is by being contained in
SleeveThe rear end
Dial axis stretches out automatically The top spring(12) withstand;
Dial axisDifferent acting states are: when passing through
HandleDrive backward
Dial axisCompression
The top spring, extremely
HandleEnter
Sleeve An inactive position moving-limit groove(7) time,
Dial axisBe compressed into
SleeveIn no longer stretch out, wheelchair was in the level land and promoted state this moment; When wheelchair needs stair activity, by
HandleDrive backward
Dial axisCompression
The top spring, make
HandleFrom
Stop grooveBe allocated to
Sleeve handle passes through groove(8) also upwards rotating 45 enters
Sleeve advanced potential moving-limit groove(6) time,
Dial axis SleeveInterior can pressing
Moving-limit grooveLength stretch out repeatedly or after contract, the plane of its termination is in backward and prizes
Vertically hung scroll wheel frame plate(28) acting state; When
Dial axisThe top is oppositely touched on the inclined-plane, termination
Frame plateThe time,
Frame plateTo in the process on extruding inclined-plane, make
Dial axisOvercome
The top springTension force after contract, treat that the inclined-plane passes through
Frame plateAfter
Frame plateThe obstacle that causes disappears,
The top springAgain will after oneself
Dial axisThe termination ejects
SleeveReenter
Frame plateBetween, this process makes
Thick stick The bar crankReset to angle to be done work again, therefore
Telescopic lever crankWhen (1) pulling acting downwards
Dial axisJust prize with the plane, termination
Back vertically hung scroll wheels(13) below arbitrary in
Frame plateDrive wheelchair upper level stair;
The lever crankWhen return is oppositely pulled,
Dial axisCollide with the inclined-plane, termination again
Back vertically hung scroll wheels(13) in arbitrary above
Frame plate,
Frame plateImpingement area will push
Dial axisThe inclined-plane, termination forces
Dial axisAfter contract by
Frame plate, by
Frame plateAfter
The top springTension force promote from the back again
Dial axisThe termination certainly
SleeveIn extend out to
Frame plateBetween,
The lever crankGot back to the acting once more of acting position, gone round and begun again, prize wheelchair and single-frame go upstairs; In like manner, when passing through
Hands HandleDrive backward
Dial axisCompression
The top spring,
HandleFrom
Pushing grooveEnter
Sleeve handle passes through groove(8) rotate 90 ° of angles, by
Cover Tube advanced potential moving-limit groove(6) enter
Sleeve backwards position moving-limit groove(8) time,
Dial axisThe oblique angle of termination has also rotated 90 ° of angles.
Telescopic lever crank(1) then oppositely pulls acting.
Wheelchair of the present invention
Back vertically hung scroll wheels(13) centre is
Vertically hung scroll wheel center hub plate(14),
The hub plateMesopore passes through
In the vertically hung scroll wheel Axle bearing(16) assembling
Vertically hung scroll wheel axis(15),
The hub plateCircumference is by uniform number cover
Vertically hung scroll wheel frame plate(28) combine,
Frame PlateBetween pass through
The steamboat wheel shaft(34) be equipped with
Vertically hung scroll wheel steamboat(32), when the wheelchair level land promotes, directly rely on to land
SteamboatRotation and advance or retreat; But during the upper and lower stair of wheelchair, because the change of action of gravity direction, the counteracting force basis of wheelchair acting is to land
SteamboatAnd the frictional force that produces between floor, requirement this moment
SteamboatCan not rotate the mobile dependence of wheelchair stair activity voluntarily
The vertically hung scroll wheelsUnitary rotation is carried out, and wheelchair of the present invention for this reason exists
Back vertically hung scroll wheels(13) be provided with
Steamboat stop axis(29) and interlock enable
The combination of stop top board(17): at first respectively
Vertically hung scroll wheel steamboat(32) both sides all are fixed with
The protruding position of steamboat panel card(33) clamping plate of shape, and
SteamboatBoth sides to the lining
Vertically hung scroll wheel frame plate(28) also all lining is equipped with in the groove
The axis abutment sleeve(30), doorframe shape
AxisUnder be equipped with
Axis compression spring(31) and respectively insert
SleeveLimiting holes in; In addition, exist
Vertically hung scroll wheel central authorities The hub plate(14) be with on
The combination of stop top board(17) its
Stop top board sliding floor(18) can the edge
Vertically hung scroll wheel center hub plate(14) outer arc circle rotates,
Base plateLast installation
Top boardRespectively corresponding respectively
Steamboat stop axis(29) orientation angle is provided with
Stop top board height The arc position(19) and
The stop top board hangs down the arc position(20), simultaneously
Top boardOn also be provided with
The stop top board is depressed trigger piece(21),
The stop top board Block board(22), for realizing
Block boardThe location,
Vertically hung scroll wheel frame plate(28) also be equipped with between
The block board self-locking device(23),
Self-locking Device is installed pin(24) be equipped with on
The self-locking device torsion spring(25),
The automatic dop of self-locking device(26), reach
DopAfterbody
Self-locking device is put Open handle(27), when the upper and lower stair of needs, depress
Stop top board depress plate handle(21),
Trigger pieceDrive
The stop top board slides Base plate(18) edge
Vertically hung scroll wheel center hub plate(14) cambered surface is rotated, in the rotation, and former dependence
Axis compression spring(31) tension force rests on
Arc position at the bottom of the stop top board(20) each
Steamboat stop axis(29), edge respectively
Top boardCamber line be depressed, when
AxisBe depressed into
The high arc of stop top board position(19) time,
AxisPointed lower end insert each respectively
The protruding position of steamboat panel card(33) in,
SteamboatTherefore can not rotate; Meanwhile,
Stop top board block board(22) in rotation also because of the collision
Self-locking device blocks automatically Head(26) cambered surface is to making
DopOvercome
The self-locking device torsion spring(25) tension force jack-up,
Block boardThen enter
DopThe plane in and the locking that is stuck, each
SteamboatTherefore in the overall process of upper and lower stair, keep the acting state that can not rotate, required basic frictional force when reaching the upper and lower building of wheelchair with this always; Going upstairs of wheelchair pulled by manpower
Telescopic lever crank(1) provides power; Wheelchair downstairs, then need by holding with a firm grip
Brake lever(58) tension
The brake steel wire rope(59),
Steel wire ropeThe deflection pull-up
Stop Car film movable support rod(61),
Support barDrive to the lining
The brake film(60) clamp
Vertically hung scroll wheel center hub Plate(14), thus slow down when wheelchair is gone downstairs and act on
Back vertically hung scroll wheels(13) bearing down downstairs; Downstairs finish when last, need
SteamboatWhen rotating, then press down on the level land
Self-locking device is decontroled handle(27), drive
The automatic dop of self-locking device(26) overcome
The self-locking device torsion spring(25) tension force lifts, and emits
Stop top board block board(22),
The combination of stop top board(17) each in
Steamboat stop axis(29) pass through
Axis compression spring(31) tension force that gives automatically resets under driving
The stop top board hangs down the arc position(20),
AxisThe lower end from
Little The protruding position of wheel face integrated circuit board(33) upspring in,
SteamboatRecover to rotate.
Because during wheelchair stair activity of the present invention,
Back vertically hung scroll wheels(13) be in the below of wheelchair stair all the time, therefore after
Bar Width of cloth wheelsSupporting most of quality of wheelchair after the load-carrying during stair activity, for this reason in order to rely on wheelchair
Back vertically hung scroll wheelsSupport wheelchair quality
Back vertically hung scroll wheel support(35) lower end is installed in respectively
Vertically hung scroll wheel axis(15) both sides are passed through on it
The load-bearing transition Spring leaf(36) with
Back vertically hung scroll wheel fagging(37) lower end connects up and down, because
SupportThe upper end with
FaggingThe angle that forms between the lower end, therefore
Spring leafThe moment transition of most of vertical gravity is the effect of horizontal load-bearing after this position has the wheelchair load-carrying: in the upper and lower stair of wheelchair, when one
Vertically hung scroll wheel steamboatWhen (32) contacting last or next lattice stair in the rotation, the vertical quality that its moment bears can be passed through
Spring leafHorizontal transfer and buffering forward, the perk that headstock produces because of vibrations when effectively slowing down the wheelchair stair activity, the practicality when having improved the wheelchair stair activity;
Back vertically hung scroll wheel fagging(37) accept
The oblique straining beam of load-bearing(38) information transfer quality, this quality mainly comes from
Seat beam(40) quality of loads during load-carrying: during wheelchair stair activity of the present invention, because
Seat beam(40) rear end is in the below of stair all the time, and its load-carrying quality also thereby downward-sloping concentrates on
Seat beamThe rear end, therefore exist
Seat beamThe comfort level that damping can effectively improve wheelchair is carried out in the rear end, and wheelchair of the present invention exists
Seat beam(40) rear end and
The oblique straining beam of load-bearing(38) between the lower end by
The damping extension spring(39) connect,
Straining beamAgain the load-bearing quality is passed to
After Vertically hung scroll wheel fagging(37), with
The stretching springThe structure of antidromic conduction gravity reaches the purpose of damping;
The oblique straining beam of load-bearing(38) be equipped with the upper end
Cart handle(57).
Wheelchair of the present invention
Preceding vertically hung scroll wheels(43) by less relatively
Preceding vertically hung scroll wheel support(42) and steamboat form, steamboat is all free to rotate;
Back vertically hung scroll wheels(13) under the promotion, wheelchair when upper and lower stair,
Preceding vertically hung scroll wheels(43) each steamboat can be regulated the impetus of upper and lower stair voluntarily in rotation;
Forward and backward vertically hung scroll wheels(43), between (13) by
Front and back wheel Connect crossbeam(41) connect both sides
CrossbeamFront end all is equipped with
Gravity is from weighing down formula anti-slip fagging(44),
The anti-slip faggingSingle-ended fulcrum by
Fagging movable supporting axle(45) connect,
The anti-slip faggingThe lower end when the wheelchair level walking, by
Fagging prong shell fragment card Button(46) pack up, will when wheelchair is gone upstairs
FaggingPull out,
The anti-slip faggingBecause sole mass hangs down naturally, wheelchair is up the time
The anti-slip faggingMove the action upstairs that is not influenced wheelchair by stair jack-up with vehicle body, wheelchair as because of any reason under stair during landing,
The anti-slip faggingCan hang down and prop up staircase boards in the rear end because of deadweight, the support masterpiece of its generation is used for
Fagging movable supporting axle(45) and withstand
Front and back wheel connects crossbeam(41) front end, the front end of wheelchair just stops the wheelchair landing that any reason causes when going upstairs, and has ensured the wheelchair process safe reliability of going upstairs;
Front and back wheel connects crossbeam(41) front end also is equipped with simultaneously
Foot-operated beam(47); Up then be equipped with
Seat beam(40) front end connects
Fagging under the seat(51),
Following faggingAccept
Seat beamThe quality that front end bears, and pass through downwards
Front and back wheel connects crossbeam(41),
Preceding vertically hung scroll wheel support (42), be passed to
Preceding vertically hung scroll wheel Group(43) on the steamboat that lands in;
Seat beam(40) front end upwards by
Fagging on the seat(52) with
The wheelchair armrest beam(63) connect,
The handrail beamThe other end be installed in
The oblique straining beam of load-bearing(38) on,
Straining beamThe lower end by
The damping extension spring(39) with
Seat The chair beam(40) rear end connects up and down, forms whole body frame structure for automotive with this.
The horizontal flexible connection of wheelchair of the present invention mainly by
Both sides flexible connection cross (53) realize,
CrossTwo connecting plates center by
Cross activity orientation axis(55) flexibly connect two
FaggingThe upper end is passed through respectively
The movable installing plate of cross(54) be installed in corresponding two
Seat beam(40) on, the lower end then is installed in corresponding
Front and back wheel connects crossbeam(41)
The movable installation PlateOn, because
CrossBe to flexibly connect, thus wheelchair not the time spent therefrom doubling pack up.
Wheelchair of the present invention
The foot-operated beam in both sides connects cushion(48) be installed in wheelchair both sides correspondences
Foot-operated beam(47) on;
Both sides Seat connects cushion(49) be installed in wheelchair both sides correspondences
Seat beam(40) on;
The both sides backrest connects cushion(50) be installed in wheelchair both sides correspondences
The oblique straining beam of load-bearing(38) on; Because below all be cushion, can cooperate
Both sides flexibly connect ten Cabinet frame(53) wheelchair not the time spent therefrom doubling pack up.
Wheelchair of the present invention
Forward and backward vertically hung scroll wheels(43) (13) both sides correspondence, by
Both sides flexibly connect cross(53) laterally connect, when going upstairs its
Telescopic lever crank(1) if only pulls the monolateral of its respective side
Back vertically hung scroll wheels(13); When going downstairs,
The brake film(60) also be one-sided its correspondence of holding tightly
Vertically hung scroll wheel center hub plate(14) time, only all can reach and to give a side
Back vertically hung scroll wheels(13) provide rotational power or it is stopped operating: show as on the same car body on one side side wheel and rotate the another side side wheel and stop by brake gear, can cause movable wheel is a core moving to stop driving wheel, therefore wheelchair has been realized the effect near 90 ° of angles turnings, so wheelchair of the present invention can be finished the turning of the narrow corridor of linchpin when stair activity, to adapt to the actual needs that wheelchair is turned and carried out at common corridor in actual life.
Claims (6)
1. but a lever prizes the wheelchair of the wheeled stair activity of vertically hung scroll, comprises
Telescopic lever crank(1) lower end
Crank props up The point installing hole(2) with
Back vertically hung scroll wheels(13) coaxial being assemblied in
Vertically hung scroll wheel axis(15) on, when
CrankBy from
Crank prong bullet The sheet buckle(62) pull out, elongate the back quilt
The flexible automatic screens heading of crank(4) location,
CrankThe upper end
The lever handle(56) to fulcrum
Installing holeApart from multiple greater than
Crank lower end U type installing plate (3) extremely
The fulcrum installing holeDistance, pull
CrankThe upper end
The lever handleWhen (56) doing work,
CrankThe upper and lower end edge
The fulcrum installing holeThe size of axially-movable shows as:
U1＝B1÷(E1÷E2)
In the formula: U1=
Crank lower end U type installing plateMove distance when (3) doing work;
B1=
Telescopic lever crankThe distance of pulling when (1) elongating the acting of upper end, back;
E1=
Telescopic lever crank(1) elongates upper end, back distance
Crank fulcrum installing hole(2) size of center line;
E2=
Crank lower end U type installing plate(3) extremely
Crank fulcrum installing hole(2) size of center line;
Therefore, pull extended
Telescopic lever crankWhen (1) did work in the upper end, it was done power and is reflected in
Crank lower end U type installing plate(3) show as the time:
U2＝B2×(E1÷E2)
In the formula: U2=
Crank lower end U type installing plateThe power that prizes that produces when (3) doing work;
B2=pulls after the elongation
Telescopic lever crank(1) the employed power in upper end;
E1=
Telescopic lever crank(1) elongates upper end, back distance
Crank fulcrum installing hole(2) size of center line;
E2=
Crank lower end U type installing plate(3) extremely
Crank fulcrum installing hole(2) size of center line;
Learn by above two formula: because
Crank lower end U type installing plate(3) with
Crank fulcrum installing hole(2) be fulcrum, multiple ground has dwindled to be pulled after the elongation
Telescopic lever crank(1) used size, therefore
Crank lower end U type installing plate(3) with
Crank fulcrum installing hole(2) for having amplified, pulls after the elongation at fulcrum also multiple ground
Telescopic lever crank(1) the employed power in upper end; This moment of being amplified by multiple is that wheelchair of the present invention prizes
Back vertically hung scroll wheels(13) the branch angle is rotated the power of going upstairs one by one;
Crank lower end U type installing plate(3) fixedly mounted on
Crank handle sleeve barrel(5),
SleeveHave on the stack shell
The sleeve advanced potential Moving-limit groove(6),
The inactive position of a sleeve moving-limit groove(7),
Sleeve backwards position moving-limit groove(8) three road axial grooves, the transverse groove of linking up with this groove rear end, three roads is
Sleeve handle passes through groove(9);
Crank handle sleeve barrel(5) be equipped with in
Termination oblique angle type dial axis(10),
Dial axisBe equipped with on the axle body
Dial axis handling maneuver handle(11),
Dial axisAfter have
Dial axis stretches out the top spring automatically(12) withstand;
Dial axisThe oblique angle of termination is in order oppositely to pull
Telescopic lever crank(1) time,
The lever crankDrive below its fulcrum
Crank lower end U type installing plate(3),
U type installing plateDrive
Crank handle sleeve barrel(5),
SleeveDrive
Termination oblique angle type dial axis(10) time
Dial axisThe oblique angle of termination will be met and be hit
Back vertically hung scroll wheels(13) top is arbitrary
Vertically hung scroll wheel frame plate(28),
Frame plateWill
Dial axisBackward rotation in push the oblique angle, and depress along the inclined-plane
Dial axisOvercome
The top springTension force after contract,
Dial axisAfter be able in contracting by
Frame plate, by
Frame plateAfter
Frame plateThe obstacle that causes disappears,
The top springTension force promote from the back again
Dial axisThe termination certainly
SleeveIn extend out to
Frame plateBetween,
The lever crankResetted and acting once more; And stir with the positive direction of acting
The lever crank,
Dial axisThe termination then prizes with the plane behind the oblique angle
Frame plateActing;
Hands HandleCan drive
Dial axisProcess
Pass through grooveEnter
SleeveOn arbitrary
Moving-limit grooveIn, and in drive, finish
Dial axisTurn to, make
Dial axisCan possess different acting functions; When
HandleEnter
The inactive position of a sleeve moving-limit groove(7) time,
Dial axisThe complete retraction in termination
SleeveIn no longer stretch out, wheelchair can promote on the level land.
2. but prize the wheelchair of the wheeled stair activity of vertically hung scroll according to claims 1 described lever, it is characterized in that:
Back vertically hung scroll wheel Group(13) centre is
Vertically hung scroll wheel center hub plate(14),
The hub plateIn the mesopore be
Vertically hung scroll wheel axis(15),
AxisBe installed in
Vertically hung scroll The wheel bottom bracket bearing(16) in,
The hub plateArc limit Jun Jiao is furnished with number cover to lining
Vertically hung scroll wheel frame plate(28),
Frame plateBetween pass through
The steamboat wheel shaft(34) be equipped with
Vertically hung scroll wheel steamboat(32),
SteamboatOn the panel of both sides there be equal punching press
The protruding position of steamboat panel card(33); Wheelchair directly relies on to land when the level land
SteamboatRotation and advance or retreat; During the wheelchair stair activity, because the change of action of gravity direction, the counteracting force basis of wheelchair acting is to land
SteamboatAnd the frictional force that produces between the floor, requirement this moment
SteamboatCan not rotate the mobile dependence of wheelchair stair activity voluntarily
The vertically hung scroll wheelsUnitary rotation is carried out, so wheelchair of the present invention exists
Back vertically hung scroll wheelchair group(13) be provided with
Steamboat stop axis(29),
AxisBe movably arranged on both sides to the lining
Vertically hung scroll wheel frame plate(28) in the groove
The axis location Sleeve(30) in,
AxisBe equipped with below, doorframe type corner, upper end
Axis compression spring(31), when right
AxisDoorframe type superstructure when exerting pressure,
AxisOvercome
SpringTension force the acute angle section steel bar of its lower end is inserted
The protruding position of steamboat panel card(13) in,
Little WheelThereby can not rotate; To each
Little axle stop axisWhat (29) top carried out that combine presses is
The combination of stop top board(17), its
Stop top board sliding floor(18) can be along bar
Width of cloth wheel center hub plate(14) the outer arc circle rotates,
Base plateOn
Top boardRespectively corresponding respectively
Steamboat stop axis(29) orientation angle is provided with
The high arc of stop top board position(19) and
The stop top board hangs down the arc position(20), simultaneously
The top PlateOn also be equipped with
The stop top board is depressed trigger piece(21),
Stop top board block board(22),
The block board self-locking device(23),
The self-locking device peace The dress pin(24),
The self-locking device torsion spring(25),
The automatic dop of self-locking device(26),
Self-locking device is decontroled handle(27), when wheelchair needs stair activity, depress
Trigger pieceMake
Sliding floorThe edge
The hub plateCylindrical rotates, and drives
Top boardRotate, each
The high arc of top board positionForce corresponding behind the pressurized
The stop axisOvercome
Axis compression springTension force its lower end acute angle section steel bar is inserted
The protruding position of steamboat panel card(33) in, simultaneously
Block boardAlso in rotation, overcome
The self-locking device torsion springTension force bump out
Automatic dopCambered surface enter in the dop hook locked,
SteamboatThe acting state that can not rotate is maintained; As pull
Decontrol handle, each
Axis compression springTension force will drive again
Screens PlateAnd
Automatic dopWithdraw from along the arc position, each
AxisReset to corresponding
Arc position at the bottom of the top board,
SteamboatRecover to rotate; Going downstairs of wheelchair is by what hold with a firm grip
Brake lever(58)
Tension brake steel wire rope(59) deflection drives
Brake film movable support rod(61),
Support barDrive to the lining
The brake film(60) clamp
Vertically hung scroll wheel center hub plate(14), thus slowing down wheelchair acts on
Back vertically hung scroll wheels(13) tenesmus is rotated and is gone downstairs; Block motionless
SteamboatAnd the frictional force that produces between the floor is that wheelchair is gone up the basis of acting downstairs, and the frictional force that needs mainly shows as follows:
L＝J×K×M
In the formula: the retroaction frictional force that downstairs needs on the L=wheelchair;
J=by
SteamboatForm and the sectional area that lands of taking advantage of loading capacity to determine;
K=
SteamboatWidth;
M=
SteamboatThe coefficient of friction of material;
Learn thus: as
Vertically hung scroll wheel steamboat(32) land under the sectional area situation identical, by right with coefficient of friction
SteamboatThe calculating of width can be satisfied on the wheelchair retroaction frictional force of needs downstairs.
3. but prize the wheelchair of the wheeled stair activity of vertically hung scroll according to claims 1 described lever, it is characterized in that: in order to rely on wheelchair
Back vertically hung scroll wheels(13) support the most of quality of wheelchair after the load-carrying
Back vertically hung scroll wheel support(35) termination is installed in respectively
Bar Width of cloth wheel axis(15) both sides are passed through on it
Load-bearing transition spring leaf(36) with
Back vertically hung scroll wheel fagging(37) lower end connects up and down, because
SupportThe upper end with
FaggingThe angle that forms between the lower end, therefore
Spring leafHaving vertical gravity moment transition at this position is the effect of horizontal load-bearing, the perk that headstock produces because of vibrations when effectively slowing down the wheelchair stair activity;
FaggingIn acting, accept
The oblique straining beam of load-bearing(38) information transfer quality, and
Straining beamThe quality that produces be again by
Seat beam(40) pass through
The damping extension spring(39) reverse conduction upwards reaches the purpose of wheelchair damping with this;
The oblique straining beam of load-bearing(38) be equipped with the upper end
Cart handle(57).
4. but prize the wheelchair of the wheeled stair activity of vertically hung scroll according to claims 1 described lever, it is characterized in that: by
Front and back wheel Connect crossbeam(41) pass through
Forward and backward vertically hung scroll wheel support(42) (35) connect
Forward and backward vertically hung scroll wheels(43) (13);
Preceding vertically hung scroll Wheel support(42) lower end is all free to rotate by steamboat
Preceding vertically hung scroll wheels(43) support; Both sides
Front and back wheel connects crossbeam(41) front end all be equipped with by
Fagging movable supporting axle(45) single-ended connection
Gravity is from weighing down formula anti-slip fagging(44),
FaggingThe lower end by
Support Plate prong shell fragment buckle(46) pack up, will when wheelchair is gone upstairs
The anti-slip faggingPull out,
The anti-slip faggingUtilize the sole mass tenesmus, ensure the safety when wheelchair is gone upstairs; Both sides
Front and back wheel connects crossbeam(41) front end also is equipped with
Foot-operated beam(47) reach
Seat Following fagging(51),
Following faggingSupport
Seat beam(40) front end;
Seat beamFront end up, by
Fagging on the seat(52) connect
The wheelchair armrest beam(63),
The handrail beamThe other end be installed in
The oblique straining beam of load-bearing(38) on,
Straining beamThe lower end by
The damping extension spring(39) with
Seat beamThe rear end connects up and down, forms whole body frame structure for automotive with this.
5. but prize the wheelchair of the wheeled stair activity of vertically hung scroll according to claims 1 described lever, it is characterized in that: the horizontal flexible connection of wheelchair both sides mainly by
Both sides flexibly connect cross(53) realize,
CrossTwo faggings center by
Cross is lived Moving location axis(55) activity orientation,
CrossTwo fagging upper ends exist respectively
Seat beam(40)
Cross is movable to be installed Plate(54) the movable installation, lower end then by
Front and back wheel connects crossbeam(41)
Installing plateThe movable installation, thus wheelchair of the present invention the time spent can not pack up in doubling; In addition, wheelchair to the lining
Foot-operated beam(47) be equipped with between
The foot-operated cushion that connects in both sides(48); To what serve as a contrast
Seat beam(40) be equipped with between
The both sides seat connects cushion(49); To what serve as a contrast
The oblique straining beam of load-bearing(38) be equipped with between
Both sides Backrest connects cushion(50).
6. but prize the wheelchair of the wheeled stair activity of vertically hung scroll according to claims 1 described lever, it is characterized in that: wheelchair
Before, Back vertically hung scroll wheels(43) (13) both sides correspondence, by
Both sides flexibly connect cross(53) laterally connect, when going upstairs its
Flexible Formula lever crank(1) if only pulls the monolateral of its respective side
Back vertically hung scroll wheels(13); When going downstairs,
The brake film(60) also be one-sided its correspondence of holding tightly
Vertically hung scroll wheel center hub plate(14) time, only all can reach and to give a side
Back vertically hung scroll wheels(13) provide rotational power or it is stopped operating by brake gear: show as on the same car body on one side side wheel and rotate the another side side wheel and stop, can cause movable wheel is a core moving to stop driving wheel, so wheelchair has been realized near 90.The effect of turning in the angle is so wheelchair of the present invention can be finished the turning of the narrow corridor of linchpin when stair activity, to adapt to the actual needs that wheelchair is turned and carried out at common corridor in actual life.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101778492A CN102217999A (en) | 2011-06-28 | 2011-06-28 | Levering spoke wheel type wheelchair capable of going upstairs and downstairs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101778492A CN102217999A (en) | 2011-06-28 | 2011-06-28 | Levering spoke wheel type wheelchair capable of going upstairs and downstairs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102217999A true CN102217999A (en) | 2011-10-19 |
Family
ID=44774891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101778492A Pending CN102217999A (en) | 2011-06-28 | 2011-06-28 | Levering spoke wheel type wheelchair capable of going upstairs and downstairs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102217999A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103655072A (en) * | 2012-09-06 | 2014-03-26 | 周云阁 | Electrically propelled wheelchair capable of going upstairs and downstairs |
| CN106560166A (en) * | 2016-08-19 | 2017-04-12 | 嵇雪峰 | Lever-actuated folding type wheel-chair vehicle |
| CN108309599A (en) * | 2018-02-01 | 2018-07-24 | 安徽工程大学 | Stair-climbing wheel chair |
| CN115151473A (en) * | 2020-03-26 | 2022-10-04 | 株式会社小松制作所 | Steering device and working machine |
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| CN101180025A (en) * | 2005-05-18 | 2008-05-14 | 利要比株式会社 | Wheelchair with lifting seat, brake device of wheelchair with lifting seat, and operation stop device of actuator for lifting seat |
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| US4061199A (en) * | 1974-12-03 | 1977-12-06 | Karl-Heinz Werner Toosbuy | Chassis for a vehicle capable of travelling over obstructions |
| CN2153562Y (en) * | 1993-04-30 | 1994-01-19 | 江兆城 | Liquid flowing dyeing machine |
| DE10153680A1 (en) * | 2001-10-31 | 2003-05-22 | Andreas Knie | Seated patient transporter of seat backrest and wheels uses crawler belt and pivotally positionable rear wheels for flat and stair travel in totally foldable design |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103655072A (en) * | 2012-09-06 | 2014-03-26 | 周云阁 | Electrically propelled wheelchair capable of going upstairs and downstairs |
| CN106560166A (en) * | 2016-08-19 | 2017-04-12 | 嵇雪峰 | Lever-actuated folding type wheel-chair vehicle |
| CN108309599A (en) * | 2018-02-01 | 2018-07-24 | 安徽工程大学 | Stair-climbing wheel chair |
| CN108309599B (en) * | 2018-02-01 | 2023-04-25 | 安徽工程大学 | Stair climbing wheelchair |
| CN115151473A (en) * | 2020-03-26 | 2022-10-04 | 株式会社小松制作所 | Steering device and working machine |
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Application publication date: 20111019 |