A kind of crawler-type wheel chairTechnical field
The present invention relates to people with disability's field of vehicles, be more particularly to a kind of crawler-type wheel chair
Background technology
Wheelchair is their requisite walking-replacing tool for elderly and infirm.But, traditional wheelchair runs into bankTime just cannot cross over.Wherein, the biggest obstacle of upper and lower stair these handicapped crowds just.
At present, the transport of the emergency evacuation that the external mode crossing over stair for solving to take wheelchair person is made by building setsStandby stairs-mover, will be temporarily fixed on stairs-mover by wheelchair, uses stair activity.Replace again after use, operationProgram is loaded down with trivial details.Although the person's stair activity that can solve to take wheelchair, but just cannot stair activity at the building being not equipped with stairs-mover.
Summary of the invention
For the deficiencies in the prior art, the purpose of the present invention aims to provide a kind of crawler wheel being capable of speeling stairwayChair.
For achieving the above object, the present invention adopts the following technical scheme that a kind of crawler-type wheel chair, including: car body, described carBeing provided with seat on body, described body inner side is provided with drive mechanism, and described car body both sides are provided with pedrail mechanism, described crawler beltMechanism is fixing with described drive mechanism to be connected, and described drive mechanism electrically connects with controlling device, and described control device includes controllingButton, described button is arranged on the handrail of described seat, and described pedrail mechanism includes drivewheel, installing rack, the first driven pulleyGroup, second from wheels, the 3rd driven wheels and conveyer belt, described drivewheel with the drive shaft of described drive mechanism fixing evenConnecing, described installing rack is fixing with described drivewheel to be connected, and what described first driven wheels remotely face was horizontal is fixedly connected on instituteStating on installing rack, described second driven wheels and the second driven wheels ground proximity are fixed with described installing rack and are connected, described biographySend band be set in described drivewheel, the first driven wheels, second from wheels, the surface of the 3rd driven wheels, described car body and seatDamping it is provided with between chair.
Further, the quantity of described damping is two, and two dampings are symmetrical along described car body centrageArrange.
It is symmetrical arranged along car body centrage by two dampings, so during damping, each side of car bodyTo damping more equalize so that the people being sitting on wheelchair is more comfortable.
Further, described damping includes support bar and damping spring, and what described support bar tilted towards front end consolidatesBeing scheduled between described car body and described seat, described damping spring is set on described support bar.
This damping simple in construction, easy for installation.
Further, described installing rack is triangular structure, and described installing rack includes the first pole, the second pole andThree poles, described first pole and the second pole are fixedly connected on the outside of described drivewheel, described 3rd pole one end and instituteState the fixing connection of the first pole, the other end is fixed with described second pole and is connected.
Installing rack is triangular structure, so by the installing rack of triangle just can by drivewheel, the first driven wheels, theTwo driven wheels and the 3rd driven pulley form an entirety, so formed walking wheels, simple in construction, connect jailGu so that this wheelchair cat ladder is safer.
Further, from wheels, described first includes that two rollers and the first linking arm, two rollers are turned by connecting shaftBeing dynamically connected, described first linking arm one end is connected by fixing with described connecting shaft between two rollers, the other end and described theOne pole is fixing to be connected.
By the first driven wheels arranged forward, so when cat ladder, or when advancing, higher obstacle can be run intoThing can preferably be climbed or cross.
Further, described second driven group and the 3rd include that link and pulley, described link are triangle from wheelsLink, the summit of described link is arranged on described 3rd pole, and two angle points of described link are provided with pulley.
Installing pulley by triangle joint frame and be connected with installing rack, it is firm that this structure connects, the most this knotStructure is applied on wheelchair, it is possible to preferably ensure the safety of user.
Further, the pulley bottom of described second driven wheels and the 3rd driven wheels is arranged in same level.
Further, the surface of described transmission band is provided with multiple tooth bar, and described tooth bar is arranged on described conveyer belt uniformlySurface, leaves gap between described tooth bar and tooth bar.
By being provided with tooth bar on the surface of conveyer belt, between tooth bar and tooth bar, leave gap, so during climbing building,Gap between tooth bar can snap on the angle of ladder, which increases the frictional force between conveyer belt and ladder, so thatWheelchair can more preferable cat ladder.
Further, the front end of described seat is provided with the pedal for putting foot.
Further, the outside of described seat is additionally provided with protective housing.
Containment vessel is set so that can block sunlight, or shading wind and rain when this wheelchair runs outside, it is also possible to pass throughProtective cover blocks privacy.
Owing to using said structure, compared to prior art, the invention have the benefit that by arranging on installing rackDrive mechanism, drive mechanism drives pedrail mechanism motion, and such wheelchair just can also can be advanced, so ground is rugged whenIncrease operating range during crowd's wheelchair of legs and feet inconvenience, meanwhile, decrease their family and friends's needs of nurseHelp their time, especially going upstairs when, by caterpillar wheelchair, it is possible to conveniently carry out cat ladder, and crawler typeWheelchair upstairs time, it is possible to ensure the seriality of climbing so that it is more quick to climb the process in building, and drivewheel passes through installing rack and firstDriven wheels, second constitute a quadrilateral structure, the second driven wheels and the 3rd driven pulley from wheels and the 3rd driven pulleyGroup contacts with ground, and the first driven wheels are higher than the second driven wheels and the 3rd driven wheels, and horizontal setting forward, soStair climbing when, outside the first driven wheels and second driven group, the conveyer belt of side contacts with ladder, this makes it possible toThe stair that ladder of preferably climbing the mountain is higher, meanwhile, because this pedrail mechanism is the pedrail mechanism of tetragon, therefore stabilityHigher, during climbing building, pedrail mechanism unanimously keeps the rock-steady structure of this tetragon, so during climbing,Wheelchair runs more stable, especially uses the caterpillar belt structure that this stability is strong on wheelchair, it is possible to user is being climbedMore feeling at ease during building, secondly because this structure, eliminate unnecessary complex component, it is the most convenient to produce and install, finally,Because being provided with damping between seat and car body, so can reduce when stair climbing and car body are crossed and run into barrierJolt the discomfort brought so that more comfortable when user uses this wheelchair.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,And can be practiced according to the content of description, and in order to allow the above and other objects, features and advantages of the present invention canBecome apparent, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, describe in detail as follows.
Accompanying drawing explanation
Fig. 1 is the schematic rear view of crawler-type wheel chair in the embodiment of the present invention；
Fig. 2 is the pedrail mechanism structural representation of crawler-type wheel chair in the embodiment of the present invention；
Fig. 3 is the structural representation of crawler-type wheel chair in the embodiment of the present invention；
Fig. 4 is the front schematic view of crawler-type wheel chair in the embodiment of the present invention.
Wherein, 1, car body, 2, pedrail mechanism, 21, drivewheel, the 22, first driven wheels, the 221, first linking arm, 222,Roller, the 23, second driven wheels, the 24, the 3rd driven wheels, 25, conveyer belt, 26, installing rack, the 261, first pole, 262,Two poles, the 263, the 3rd pole, 27, link, 28, pulley, 3, drive mechanism, 4, control device, 5, seat, 6, damping machineStructure, 61, support bar, 62, damping spring, 7, pedal.
Detailed description of the invention
Below, in conjunction with accompanying drawing and detailed description of the invention, the present invention is described further:
In describing the invention, it is to be understood that term " " center ", " laterally ", " on ", D score, "left", "right",The orientation of the instruction such as " vertically ", " level ", " top ", " end ", " interior ", " outward " or position relationship be based on orientation shown in the drawings orPosition relationship, is for only for ease of the description present invention and simplifies description rather than instruction or imply that the device of indication or element mustMust have specific orientation, with specific azimuth configuration and operation, be therefore not considered as limiting the invention.Additionally, artLanguage " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance or implicit indicate instituteThe quantity of the technical characteristic of instruction.Thus, define " first ", the feature of " second " can express or implicitly include oneOr more this feature.In describing the invention, except as otherwise noted, " multiple " are meant that two or more.It addition, term " includes " and any deformation, it is intended that cover non-exclusive comprising.
In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " is installed ", " phaseEven ", " connection " should be interpreted broadly, for example, it may be fixing connection, it is also possible to be to removably connect, or be integrally connected；CanTo be mechanical connection, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, Ke YishiThe connection of two element internals.For the ordinary skill in the art, can understand that above-mentioned term is at this with concrete conditionConcrete meaning in invention.
As shown in Figures 1 to 4, the present embodiment includes a kind of crawler-type wheel chair, including: car body 1, car body 1 is provided with seat5, drive mechanism 3 is installed inside car body 1, car body 1 both sides are provided with pedrail mechanism 2, and pedrail mechanism 2 is fixed with drive mechanism 3Connecting, drive mechanism 3 electrically connects with controlling device 4, controls device 4 and includes that control knob, button are arranged on the handrail of seat 5On, pedrail mechanism 2 includes drivewheel 21, installing rack 26, the first driven wheels 22, second from wheels, the 3rd driven wheels 24, withAnd conveyer belt 25, drivewheel 21 is fixing with the drive shaft of drive mechanism 3 to be connected, and installing rack 26 is fixing with drivewheel 21 to be connected, theOne driven wheels 22 away from horizontal being fixedly connected on installing rack 26 in ground, the second driven wheels 23 and the second driven wheels 23Ground proximity and installing rack 26 is fixing to be connected, conveyer belt 25 be set in drivewheel the 21, first driven wheels 22, second from wheels,The surface of the 3rd driven wheels 24, is provided with damping 6 between car body 1 and seat 5.
By arranging drive mechanism 3 on installing rack 26, drive mechanism 3 drives pedrail mechanism 2 to move, and such wheelchair just may be usedAlso can advance ground is rugged when, which increase operating range during crowd's wheelchair of legs and feet inconvenience, meanwhile, alsoDecrease their family and friends of nurse to want help their time, especially going upstairs when, by caterpillarWheelchair, it is possible to conveniently carry out cat ladder, and crawler-type wheel chair upstairs time, it is possible to ensure the seriality of climbing so that climb the process in buildingMore quick, drivewheel 21 is become from the driven wheels 24 of wheels and the 3rd with the first driven wheels 22, second by installing rack 26One quadrilateral structure, the second driven wheels 23 contact with ground with the 3rd driven wheels 24, and the first driven wheels 22 are higher than theTwo driven wheels 23 and the 3rd driven wheels 24, and horizontal setting forward, so stair climbing when, the first driven wheelsOutside 22 driven with second groups, the conveyer belt 25 of side contacts with ladder, the stair that the ladder that this makes it possible to preferably to climb the mountain is higher, meanwhile, because the pedrail mechanism 2 that this pedrail mechanism 2 is tetragon, therefore stability is higher, during climbing building, carries outUnanimously keep the rock-steady structure of this tetragon with mechanism 2, so during climbing, wheelchair runs more stable, especiallyIt is the caterpillar belt structure using this stability strong on wheelchair, it is possible to user is more felt at ease when climbing building, secondly becauseThis structure, eliminates unnecessary complex component, and it is the most convenient to produce and install, finally, because between seat 5 and car body 1It is provided with damping 6, so crosses at stair climbing and car body 1 and the discomfort brought of jolting when running into barrier, can be reduced, makeUser is more comfortable when using this wheelchair.
Wherein, the quantity of damping 6 is two, and two dampings 6 are symmetrical arranged along car body 1 centrage.Pass throughTwo dampings 6 are symmetrical arranged along car body 1 centrage, and so during damping, the damping of car body 1 all directions is moreAdd equilibrium so that the people being sitting on wheelchair is more comfortable.
Concrete, damping 6 includes support bar 61 and damping spring 62, and what support bar 61 tilted towards front end is fixed onBetween car body 1 and seat 5, damping spring 62 is set on support bar 61.This damping 6 simple in construction, easy for installation.
Wherein, installing rack 26 is triangular structure, and installing rack 26 includes first pole the 261, second pole 262 and the 3rdPole 263, the first pole 261 and the second pole 262 be fixedly connected on the outside of drivewheel 21, the 3rd pole 263 one end and theThe one fixing connection of pole 261, the other end and the second fixing connection of pole 262.Installing rack 26 is triangular structure, so by threeDrivewheel 21, first driven wheels the 22, second driven wheels 23 and the 3rd driven pulley just can be formed by the installing rack 26 of dihedralOne entirety, so formed walking wheels, simple in construction, it is connected firmly so that this wheelchair cat ladder is safer.
Concrete, first includes two rollers 222 and the first linking arm 221 from wheels, and two rollers 222 pass through connecting shaftBeing rotationally connected, first linking arm 221 one end is connected by fixing with connecting shaft between two rollers 222, the other end and firstBar 261 is fixing to be connected.By the first driven wheels 22 arranged forward, so when cat ladder, or when advancing, can run into relativelyHigh barrier can preferably be climbed or cross.
More specifically, second driven group and the 3rd includes link 27 and pulley 28 from wheels, and link 27 is for triangle evenConnecing frame 27, the summit of link 27 is arranged on the 3rd pole 263, and two angle points of link 27 are provided with pulley 28.SecondPulley 28 bottom of driven wheels 23 and the 3rd driven wheels 24 is arranged in same level.Installed by triangle joint frame 27Pulley 28 and being connected with installing rack 26, it is firm that this structure connects, and the most this structure is applied on wheelchair, it is possible to more preferablyEnsure user safety.
Wherein, the surface of transmission band is provided with multiple tooth bar, and tooth bar is arranged on conveyer belt 25 surface, tooth bar and tooth bar uniformlyBetween leave gap.By being provided with tooth bar on the surface of conveyer belt 25, leave gap between tooth bar and tooth bar, so climbing buildingDuring, the gap between tooth bar can snap on the angle of ladder, which increases the frictional force between conveyer belt 25 and ladder,So that wheelchair can more preferable cat ladder.
Wherein, the front end of seat 5 is provided with the pedal 7 for putting foot, and the outside of seat 5 is additionally provided with protective housing.ArrangeContainment vessel so that sunlight, or shading wind and rain can be blocked when this wheelchair runs outside, it is also possible to blocked hidden by protective coverPrivate.
For a person skilled in the art, can technical scheme as described above and design, make other eachPlant corresponding change and deformation, and all these changes and deforms the protection model that all should belong to the claims in the present inventionWithin enclosing.