CN106539653B - Electric stair climbing ladder wheelchair - Google Patents
Electric stair climbing ladder wheelchair Download PDFInfo
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- CN106539653B CN106539653B CN201510597689.5A CN201510597689A CN106539653B CN 106539653 B CN106539653 B CN 106539653B CN 201510597689 A CN201510597689 A CN 201510597689A CN 106539653 B CN106539653 B CN 106539653B
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- stair climbing
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- slip ring
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Abstract
Electric stair climbing ladder wheelchair of the present invention using wheel disc and be enclosed on skidding ring group thereon into stair climbing wheel, can be very simple in level walking and can stair climbing, structure and using the relative wheel slip ring rotation of Vidacare corp driving wheel disc.During stair activity, the wheel slip ring of stair climbing wheel intersects linear contact lay with the horizontal plane and facade of ladder step, rotated using the wheel disc that Vidacare corp makes to be fixed on the frame of wheelchair side on wheel slip ring around its center of circle, whole electric stair climbing ladder wheelchair will be rotated backward using the intersection point of stair ladder step as support simultaneously, it moves the motion for synthesizing and making electric stair climbing ladder wheelchair make substantially obliquely or obliquely, and electric stair climbing ladder wheelchair, which constantly rises or falls, completes stair climbing work；Because whole motion process is the equal of to be slided along inclined-plane, so electric stair climbing ladder wheelchair of the present invention has an excellent stair climbing function, stable movement, the features such as no impact is laborsaving, and easy to use and cost is low.
Description
Technical field
The present invention relates to the electronic equipment with stair climbing function, more particularly, to a kind of electric stair climbing ladder wheelchair.
Background technology
There are a large amount of handicapped persons in the elderly in China, disabled person and patient at present, these people constitute quantity Pang
Big wheelchair demand colony, huge demand promote China's wheelchair industry and comparatively fast developed in recent years, electric wheelchair and manpower wheelchair
Largely enter huge numbers of families, improve the quality of the life of people.However, whether electric wheelchair or manpower wheelchair all run into
The problem of stair, and most domestic people is still lived in the multi-storey building of no elevator now, it is upper downstairs to lean on stair, certain
The popularization of wheelchair is constrained in degree.Therefore, there is wheelchair stair climbing function to turn into the problem urgently captured, relevant manufacturers input
A large amount of manpower and materials are researched and developed, and have more moneys that there is the electric wheelchair of stair climbing function to emerge at present, electronic star-wheel therein is climbed
Stair Wheelchair structure is relatively easy, but such wheelchair has very big defect, and bumpy motion, impact are big；And with external import skill
The stair climbing technology of the complete wheeled seat self-balancing stair climbing wheelchair and movable support rod stair climbing wheelchair of art production is more ripe, but
It is expensive.
The content of the invention
In order to solve the deficiency in above-mentioned technology, it is an object of the invention to provide a kind of simple in construction, stable movement, impact
The small and low cost electric stair climbing ladder wheelchair with stair climbing function.
For convenience, two dimension can be used to the facade and horizontal plane of stair ladder step in three dimensions in the following description
The vertical line and horizontal line of stair ladder step in plan view describe, and in other words both statements are of equal value；Same three
The external corner intersection of the facade of stair ladder step and horizontal plane in dimension space, and the vertical line and water that stair ladder walks in two dimensional surface view
The statement of the intersection point of horizontal line is of equal value, and this intersection point is referred to as the intersection point of ladder step；Each rounded face of wheel disc and wheel slip ring in three dimensions
It is of equal value with two kinds of statements of wheel disc in two dimensional surface view and each circle for taking turns slip ring.For wheel slip ring and wheel, it is projected not
Refer to perspective plane is all using plane where the side frame of car body as perspective plane.
In order to solve the above-mentioned technical problem, electric stair climbing ladder wheelchair of the present invention, including wheelchair frame, wheel, brake gear, and
The part such as seat against；Wheel has two big wheels and two trundles, and wheelchair frame includes two side framves being parallel to each other, each side
One big wheel and a trundle are respectively installed, big wheel is parallel with side frame, seats against and is stretched tight with the fabric of flexibility in face frame
Formed on wheelchair frame；Electric stair climbing ladder wheelchair is provided with stair-climbing device, and the device includes stair climbing wheel, motorized motions dress
Put；Stair climbing wheel is the big wheel of wheelchair, including wheel disc, takes turns slip ring；All circles on stair climbing wheel are concentric circles；Wheel disc is
Circle, or the circle for semicircle orifice, or be the structures such as partial circle shape；Wheel slip ring is by two symmetrical annular side plates one
The rigid body of individual annular sliding block composition；Annular side plate is projected as inside and outside two concentric circles, and inner circle is ring gear；Take turns the throwing of slip ring
Shadow is identical with the projection of annular side plate；Annular sliding block is also two concentric circles, its outer diameter of a circle and annular side plate
Outside diameter is equal, and its interior diameter of a circle is more bigger than the diameter of wheel disc, so makes the inner headed face of annular sliding block and the circle of wheel disc
The segmental arc length that face is in contact is shorter, and so as to reduce friction, and the radius of wheel disc is more than the inner circle radius of annular side plate, really
Wheel slip ring sleeve is protected on wheel disc, the annular side plate of wheel slip ring is constrained by wheel disc, plays a part of guiding；Annular sliding block
Thickness be slightly larger than wheel disc corresponding position thickness；Annular sliding block is connected between two annular side plates, annular sliding block
It is cylindrical to take turns slip ring rigid body with the cylindrical concyclic face of annular side plate, composition；Any radial section for taking turns slip ring is " u "-shaped, and " U "
The base of shape is annular sliding block, and two sides are two annular side plates, forms an annular groove；Take turns slip ring sleeve wheel disc it
On, part wheel disc is located in annular groove, and the inner circle of annular sliding block is adapted with wheel disc circle, the inner headed face of partial circle shape sliding block
It is in contact with wheel disc disc, takes turns the medial surface of two annular side plates on slip ring and be adapted with the two sides of wheel disc；Take turns slip ring and wheel
Disk relative can make it is suitable, rotate counterclockwise.In other words, wheel slip ring rotates clockwise with respect to what wheel disc was made, is exactly that wheel disc is relative
Wheel slip ring rotates counterclockwise, and vice versa.
The wheel disc of stair climbing wheel is connected in the rear portion on the outside of the frame of wheelchair side, and wheel disc and side frame are same rigid body；Climb
The plane of movement of stair wheel is parallel with the side frame of wheelchair frame, and the center of circle of the wheel slip ring of stair climbing wheel is highly higher than plan climbing
The height of highest ladder step；Wheeling disk structure meets the support to entirety when the walking of electric stair climbing ladder wheelchair and stair climbing work.
Vidacare corp includes motor, gear, control device；Motor is fixedly connected on the side of electric stair climbing ladder wheelchair
It is same rigid body with wheelchair side frame on frame, gear engages with the ring gear of annular side plate, the dynamic band moving gear of motor positive and inverse
It is corresponding to rotate, so as to drive the wheel slip ring of stair climbing wheel with respect to wheel disc make it is suitable, rotate counterclockwise.
When stair climbing wheel is in contact with stair, wheel slip ring and the intersection point contact position of stair ladder step are less than wheel slip ring
The center of circle, wheel slip ring will not roll on the facade of ladder step, and can only be using the intersection point as support, and take turns slip ring and ladder step intersection point
Contact position keeps constant during stair activity, the wheel coiling wheel being fixed in the presence of motor on the frame of wheelchair side
The center of circle of slip ring rotates, while whole electric stair climbing ladder wheelchair rotates backward around ladder step intersection point again, and it, which moves the result of synthesis, is
Move obliquely or obliquely, so as to complete stair activity.Due to supporting the contact point of wheel disc on wheel slip ring to the intersection point of ladder step
Distance, it is much smaller apart from comparing with the intersection point of wheel shaft to the ladder step of traditional wheelchair wheel, thus the moment of resistance in stair climbing
Also it is much smaller, so very laborsaving using the electric stair climbing ladder wheelchair stair activity of stair climbing wheel.Whole motion process is suitable
Then slided along inclined-plane, moving equilibrium, no impact.
The a kind of of electric stair climbing ladder wheelchair as the present invention improves, the annular side of composition wheel slip ring on stair climbing wheel
Plate is projected as inside and outside two concentric circles, and inside and outside circle is light circle；Locate porose circle, or the circle for semicircle orifice centered on wheel disc
Shape, or be partial circle shape structure, just do not interference with splined shaft so；And the outside of an annular side plate is connected wherein
One transmission end cap, there is a spline through hole at the center of the transmission end cap；It is driven spline through hole center and the annular side plate of end cap
The center of circle overlap.This stair climbing wheel of composition is actually the ring gear on the annular side plate that an inner circle is ring gear
The result of reduced radius.
Vidacare corp includes motor, splined shaft, control device；Motor is fixedly connected on the side of electric stair climbing ladder wheelchair
It is same rigid body with wheelchair side frame in face frame, splined shaft is adapted with being driven the spline through hole of end cap, and splined shaft only transmits torsion
Square；Motor positive and inverse is dynamic to drive splined shaft accordingly to rotate, so as to drive the wheel slip ring of stair climbing wheel to make the suitable, inverse time with respect to wheel disc
Pin rotates；This makes compact-sized, and driving-chain is simple.
The a kind of of stair climbing wheel as electric stair climbing ladder wheelchair of the present invention improves, the wheel slip ring of stair climbing wheel be by
Two symmetrical annular side plates, the rigid body of at least six pulleys composition；The width of pulley is slightly larger than the thickness of wheel disc corresponding position；
Each pulley be equably connected in two annular side plates by its it is cylindrical between, form wheel slip ring rigid body；The granddad of all pulleys
Cut that diameter of a circle is equal with the diameter of wheel disc, and the radius of wheel disc is more than the inner circle radius of annular side plate, and all pulleys
Internal common tangent circle diameter be less than or equal to annular side plate outside diameter, do not influence take turns slip ring outward flange for circle shape
Shape；Slip ring sleeve is taken turns on wheel disc, pulley is in contact with wheel disc disc, takes turns the medial surface and wheel of two annular side plates on slip ring
The two sides of disk is adapted；Wheel slip ring and wheel disc can with respect to make it is suitable, rotate counterclockwise.Friction is further reduced using pulley.
The another of stair climbing wheel as electric stair climbing ladder wheelchair of the present invention improves, the circle of the wheel disc of stair climbing wheel
Multiple cylinder balls and ball retainer are uniformly housed between the inner headed face of the annular sliding block of face and wheel slip ring；Wheel disc outward flange
For the circular configuration of closing；The outer common tangent circle diameter of all cylinder balls is equal with wheel diameter, and the radius of wheel disc is more than
The inner circle radius of annular side plate, and the diameter of the internal common tangent circle of all cylinder balls is equal with circular diameter in annular sliding block；
Slip ring sleeve is taken turns in wheel disc) on, the outer common tangent circle of cylinder ball is adapted with wheel disc circle, and cylinder ball connects with wheel disc disc
Touch, the internal common tangent circle of cylinder ball is adapted with the inner circle of annular sliding block, the inner headed face phase of cylinder ball and annular sliding block
Contact；The medial surface of two annular side plates is adapted with the two sides of wheel disc on wheel slip ring；Wheel slip ring and wheel disc relative can make it is suitable,
Rotate counterclockwise.This is to be combined above-mentioned two organization plan, and bearing capacity is improved using cylinder ball.
Another as the stair climbing wheel of electric stair climbing ladder wheelchair of the present invention is improved, outside the wheel slip ring of stair climbing wheel
Edge is provided with pneumatic tire.Reduce vibrations, improve driving comfort.
Electric stair climbing ladder wheelchair of the present invention using wheel disc and be enclosed on skidding ring group thereon into stair climbing wheel, and utilize
Vidacare corp drives wheel disc to be rotated relative to wheel slip ring, can be very simple in level walking and can stair climbing, structure.Up and down
During stair, the horizontal plane of the wheel slip ring of stair climbing wheel and ladder step and facade intersect linear contact lay, are made using Vidacare corp
It is fixed on the wheel disc on the frame of wheelchair side to rotate around its center of circle on wheel slip ring, while whole electric stair climbing ladder wheelchair will be with stair
The intersection point of ladder step rotates backward for support, and it moves the fortune for synthesizing and making electric stair climbing ladder wheelchair make substantially obliquely or obliquely
Dynamic, electric stair climbing ladder wheelchair, which constantly rises or falls, completes stair climbing work, so as to have stair climbing function；Due to whole motion
Process is the equal of to be slided along inclined-plane, thus stable movement, no impact, and it is laborsaving.
Therefore electric stair climbing ladder wheelchair of the present invention has an excellent stair climbing function, stable movement, no impact, laborsaving, make
The features such as with convenience and low cost.
Electric stair climbing ladder wheelchair of the present invention can fold, and occupy little space, and be also particularly suitable for carrying during medical rescue invalid
Person's stair activity.
Brief description of the drawings
It is described in further detail below in conjunction with the accompanying drawings with embodiments of the present invention：
Fig. 1 is by circular wheel disc and wheel slip ring（Two inner circles are the annular side plate and an annular sliding block of ring gear
Form）The two and three dimensions schematic diagram of the stair climbing wheel structure of composition.
Fig. 2 is the blast signal of the wheel slip ring three-dimensional structure of stair climbing wheel shown in Fig. 1, stair climbing wheel three-dimensional structure
Figure.
Fig. 3 is three kinds of three dimensional structure diagrams of wheel disc, wherein：A wheel discs for circle, b wheel discs be semicircle orifice circle, c
Wheel disc is partial circle shape.
Fig. 4 is the three kinds of wheeling disk structures and wheel slip ring shown in Fig. 3（Two inner circles are the annular side plate and one of ring gear
Individual annular sliding block is formed）The schematic three dimensional views of three kinds of stair climbing wheels of composition.
Fig. 5 is the two-dimensional structure signal that wheel disc sets four circumferential leading blocks in the position to match with annular side plate
Figure.
Fig. 6 is by circular wheel disc and wheel slip ring（Two inner circles are formed for the annular side plate of ring gear and multiple pulleys）
The two and three dimensions schematic diagram of the stair climbing wheel structure of composition.
Fig. 7 is the blast signal of the wheel slip ring three-dimensional structure of stair climbing wheel shown in Fig. 6, stair climbing wheel three-dimensional structure
Figure.
Fig. 8 is wheel slip ring（Two inner circles are formed for the annular side plate of ring gear and multiple pulleys）With three kinds of wheeling disk structures
The schematic three dimensional views of the combined three kinds of stair climbing wheels formed.
Fig. 9 is the disc and wheel slip ring by circular wheel disc（Two inner circles are the annular side plate and an annulus of ring gear
Shape sliding block is formed）Annular sliding block inner headed face between uniformly climb building equipped with what multiple cylinder balls and ball retainer formed
The three-dimensional structure of terraced wheel and the exploded perspective view of three-dimensional structure.
Figure 10 is the wheel slip ring of stair climbing wheel（Two inside and outside circles are the annular side plate of light circle and multiple pulley structures
Into）An annular side plate central lateral be connected one transmission end cap three-dimensional structure and three-dimensional structure exploded perspective view.
The annular side plate and the wheel slip ring that forms of an annular sliding block that it is light circle by two inside and outside circles that Figure 11, which is, and
And an annular side plate central lateral is connected one and is driven end cap, illustrates with the three-dimensional structure of the stair climbing wheel of wheel disc composition
Figure.
The annular side plate and the wheel slip ring that forms of multiple pulleys that it is light circle by two inside and outside circles that Figure 12, which is, and one
Annular side plate central lateral is connected one and is driven end cap, and the three-dimensional of the stair climbing wheel of circular wheel disc composition is tied with semicircle orifice
Structure, three-dimensional structure exploded perspective view.
Figure 13 is the stair climbing wheel (inner circle of annular side plate being fixedly connected on using circular wheel disc on the frame of wheelchair side
For ring gear) electric stair climbing ladder Wheelchair structure main view and right regard schematic diagram.
Figure 14 is the wheel disc using the circular wheel disc of semicircle orifice or partial circle shape and is fixedly connected on the frame of wheelchair side
Stair climbing wheel (inner circle of annular side plate is ring gear) electric stair climbing ladder Wheelchair structure schematic diagram.
Figure 15 is the wheel slip ring for the annular side plate for being light circle using two inside and outside circles, and in an annular side plate
The main view of the electric stair climbing ladder Wheelchair structure of the stair climbing wheel of the connected transmission end cap in centre outside regards schematic diagram with right.
Figure 16 is the wheel disc using the circular wheel disc of semicircle orifice or partial circle shape and is fixedly connected on the frame of wheelchair side
Stair climbing wheel (inside and outside circle of annular side plate be light circle) electric stair climbing ladder Wheelchair structure, and one on this basis
The electric stair climbing ladder Wheelchair structure schematic diagram of the connected transmission end cap of annular side plate central lateral.
Figure 17 is electric stair climbing ladder wheelchair of the present invention（The inner circle of the annular side plate of stair climbing wheel is ring gear）Upstairs
One of terraced schematic diagram.
Figure 18 is electric stair climbing ladder wheelchair of the present invention（The inner circle of the annular side plate of stair climbing wheel is ring gear）Upstairs
The two of terraced schematic diagram.
Figure 19 is the motion model schematic diagram that Figure 18 positions are moved to from Figure 17 positions.
Figure 20 is electric stair climbing ladder wheelchair of the present invention（The inner circle of the annular side plate of stair climbing wheel is ring gear）Upstairs
The three of terraced schematic diagram.
Figure 21 is electric stair climbing ladder wheelchair of the present invention（The inner circle of the annular side plate of stair climbing wheel is ring gear）Downstairs
One of terraced schematic diagram.
Figure 22 is electric stair climbing ladder wheelchair of the present invention（The inner circle of the annular side plate of stair climbing wheel is ring gear）Downstairs
The two of terraced schematic diagram.
Figure 23 is electric stair climbing ladder wheelchair of the present invention（The inner circle of the annular side plate of stair climbing wheel is ring gear）Downstairs
The three of terraced schematic diagram.
Figure 24 is electric stair climbing ladder wheelchair of the present invention（One annular side plate central lateral of stair climbing wheel is connected one
It is driven end cap）Stair climbing schematic diagram.
Embodiment
Electric stair climbing ladder wheelchair of the present invention, including wheelchair frame, wheel, brake gear, and the part such as seat against；Wheel has two
Big wheel and two trundles, wheelchair frame include two side framves being parallel to each other, and are respectively provided with each side frame one big
Wheel and a trundle, big wheel is parallel with side frame, seats against and is stretched tight and formed on wheelchair frame with the fabric of flexibility.
Electric stair climbing ladder wheelchair of the present invention is provided with stair-climbing device, and the device includes stair climbing wheel, motorized motions dress
Put.Stair climbing wheel is the big wheel of electric stair climbing ladder wheelchair.And form stair climbing wheel wheel disc 31 and wheel slip ring 32 have it is more
Kind structure, these different structures enrich mounting means and the use of electric stair climbing ladder wheelchair of the present invention.It is described below below.
First, stair climbing wheel of the invention
1st, the wheel slip ring 32 of stair climbing wheel is slided by two inner circles for the annular side plate 33 of ring gear and an annular
Block 34 is formed.
Fig. 1, Fig. 2 are the structural representation of the stair climbing wheel of the present invention, it can be seen that stair climbing wheel includes wheel disc 31, wheel
Slip ring 32；All circles on stair climbing wheel are concentric circles；Wheel disc 31 is circle, or is the circle of semicircle orifice, or is partial circle
The structure of shape；Wheel slip ring 32 is by two symmetrical annular side plates 33, and the rigid body that an annular sliding block 34 forms；Annulus
Shape side plate 33 is projected as inside and outside two concentric circles, and inner circle is processed as ring gear；Annular sliding block 34 is also two concentric circles, outside it
Diameter of a circle is equal with the outside diameter of annular side plate 33, and its interior diameter of a circle is bigger 10mm than the diameter of wheel disc 31, makes annulus
The segmental arc that the inner headed face of shape sliding block 34 is in contact with the disc of wheel disc 31 is shorter, reduces mutual friction；And wheel disc 31
Radius is more than the inner circle radius of annular side plate 33, and the radius of the present invention preferably wheel disc 31 is more than the inner circle half of annular side plate 33
Footpath 30mm, so as to which wheel disc 31 can be oriented to wheel slip ring 32；The thickness of the corresponding position of thickness ratio wheel disc 31 of annular sliding block 34 is big
2mm；There is bolt hole the corresponding position of annular sliding block 34 and two annular side plates 33, and annular sliding block 34 is connected in two annulus
Between shape side plate 33, the cylindrical concyclic face of the cylindrical and annular side plate 33 of annular sliding block 34, the wheel rigid body of slip ring 32, wheel are formed
The projection of slip ring 32 is identical with the projection of annular side plate 33；Any radial section for taking turns slip ring 32 is " u "-shaped, and " u "-shaped
Base is annular sliding block 34, and two sides are two annular side plates 33, forms an annular groove；Wheel slip ring 32 is enclosed on wheel disc
On 31, part wheel disc 31 is located in annular groove, and the inner circle of annular sliding block 34 is adapted with the circle of wheel disc 31, and partial circle shape is slided
The inner headed face of block 34 is in contact with the disc of wheel disc 31, takes turns the medial surface of two annular side plates 33 and the two of wheel disc 31 on slip ring 32
Face is adapted.Wheel slip ring 32 and wheel disc 31 can with respect to make it is suitable, rotate counterclockwise.
When assembling stair climbing wheel, wheel disc 31 is put in the center of an annular side plate 33, then by annular sliding block 34
The outside of wheel disc 31 is enclosed on, annular side plate 33 is alignd with the cylindrical of annular sliding block 34, that is, concentric, while it is corresponding
Bolt hole also aligns, and then covers another annular side plate 33, and each bolt passes through annular side plate 33, an annular
Sliding block 34, another annular side plate 33, fasten each bolt make annular sliding block 34 be connected in two annular side plates 33 it
Between, the wheel rigid body of slip ring 32 is formed, and take turns slip ring 32 and be enclosed on wheel disc 31, wheel slip ring 32 relative can be made suitable, inverse with wheel disc 31
Hour hands rotate.
Fig. 3 is that different wheeling disk structures are illustrated.Circular wheel disc 31 is basic structure type, according to different demands also
There are other structures form, three kinds of present invention selection, i.e., basic circular wheel disc 31（A schemes in figure）, the circular wheel disc 31 of semicircle orifice
（B schemes in figure）, the wheel disc 31 of partial circle shape（C schemes in figure）.B schemes mainly to meet only in workspace with the wheel disc 31 shown in c figures
Between bearing load, and other sections are unable to bearing load, compared with the wheel disc 31 shown in a figures, have saved material, have alleviated weight
Amount.
According to the wheel disc 31 of different structure, with taking turns slip ring 32（Two inner circles are the annular side plate and a circle of ring gear
Ring slider is formed）The stair climbing wheel of three kinds of different structures of wheel disc 31 is formed, as shown in Figure 4.
In order to be preferably oriented to wheel slip ring 32, the position that can be adapted on wheel disc 31 with two annular side plates is set
Circumferential directive wheel 40, as shown in Figure 5.
2nd, the wheel slip ring 32 of stair climbing wheel is made up of two inner circles for the annular side plate 33 and pulley 35 of ring gear.
The a kind of of stair climbing wheel as the present invention improves, and its structure is as shown in Figure 6, Figure 7.The wheel of the stair climbing wheel
Slip ring 32 is by the annular side plate 33 that two symmetrical inner circles are ring gear, the rigid body of at least six pulleys 35 composition, this hair
Bright preferably 8 pulleys 35；The width of pulley 35 is slightly larger than the thickness 2mm of the corresponding position of wheel disc 31；On two annular side plates 33
Be furnished with the axis hole of 8 pulleys 35, each pulley 35 be equably connected in two annular side plates 33 by its it is cylindrical between, form wheel
The rigid body of slip ring 32；The diameter of the outer common tangent circle of all pulleys 35 is equal with the diameter of wheel disc 31, and the radius of wheel disc 31 is more than
The inner circle radius of annular side plate 33, and the diameter of the internal common tangent circle of all pulleys 35 is less than or equal to the outer of annular side plate 33
Circular diameter, do not change the rounded outer edge of wheel slip ring 32；Wheel slip ring 32 is enclosed on wheel disc 31, pulley 35 and the disc phase of wheel disc 31
Contact, the medial surface for taking turns two annular side plates 33 on slip ring 32 are adapted with the two sides of wheel disc 31.
When assembling the stair climbing wheel, wheel disc 31 is put in the center of an annular side plate 33, then by each pulley
35 are placed at each pulley axis hole on annular side plate 33, and are contacted with the periphery of wheel disc 31, then by another annular
Side plate 33 covers, and every axle fastens every through 33, pulleys 35 of an annular side plate, another annular side plate 33
Nut on axle, each pulley 35 is connected between two annular side plates 33, form the wheel rigid body of slip ring 32, and take turns slip ring
32 are enclosed on wheel disc 31.Wheel slip ring 32 and wheel disc 31 can with respect to make it is suitable, rotate counterclockwise.
Equally, the stair climbing wheel of this structure, also because of improved wheel slip ring 32（Two symmetrical inner circles are ring gear
Annular side plate 33, multiple pulleys 35 form）The structures of wheel disc 31 different from three kinds are combined to form three kinds of different stair climbing wheels
Sub- form, as shown in Figure 8.
3rd, the disc of the wheel disc 31 of stair climbing wheel and wheel slip ring 32（The inner circle of annular side plate 33 is ring gear）Circle
Cylinder ball 36 is housed between the inner headed face of ring slider 34.
The another of stair climbing wheel as the present invention improves, and its structure is as shown in Figure 9.The wheel disc 31 of stair climbing wheel
Disc and take turns slip ring 32 annular sliding block 34 inner headed face between multiple cylinder balls 36 and ball retainer are uniformly housed,
The material of cylinder ball 36 can be metal or engineering material, and preferred intensity of the present invention is high, wear-resistant, self-lubricating and
The cylinder ball 36 of the engineering plastics manufacture of light weight；The outward flange of wheel disc 31 is the circular configuration of closing；All cylinder balls 36
Outer common tangent circle diameter it is equal with the diameter of wheel disc 31, and the radius of wheel disc 31 be more than annular side plate 33 inner circle radius, and
The diameter of the internal common tangent circle of all cylinder balls 36 is equal with circular diameter in annular sliding block 34；Wheel slip ring 32 be enclosed on wheel disc 31 it
On, the outer common tangent circle of cylinder ball 36 is adapted with the circle of wheel disc 31, and cylinder ball 36 is in contact with the disc of wheel disc 31, cylinder ball
36 internal common tangent circle is adapted with the inner circle of annular sliding block 34, and cylinder ball 36 connects with the inner headed face of annular sliding block 34
Touch；The medial surface of two annular side plates 33 is adapted with the two sides of wheel disc 31 on wheel slip ring 32.
When assembling the stair climbing wheel, wheel disc 31 is put in the center of an annular side plate 33, then by retainer
The ball disk for filling up cylinder ball 36 is enclosed on outside wheel disc 31, and cylinder ball 36 is in contact with the periphery of wheel disc 31, and by annulus
Shape sliding block 34 is enclosed on outside the ball disk for filling up cylinder ball 36, and the inner headed face of annular sliding block 34 contacts with cylinder ball 36, is adjusted
The position of whole ring form sliding block 34, make annular sliding block 34 cylindrical and annular side plate 33 it is cylindrical concyclic, then by another
Annular side plate 33 covers, and fastening each bolt makes annular sliding block 34 be connected between two annular side plates 33, forms wheel
The rigid body of slip ring 32；So wheel disc 31 is just enclosed in wheel slip ring 32, and certain cylinder ball 36 is also enclosed in wheel slip ring 32, so as to form
Stair climbing wheel.Wheel slip ring 32 and wheel disc 31 can with respect to make it is suitable, rotate counterclockwise.
Obviously, only two kinds of structures of wheel disc 31 meet the needs of this stair climbing wheel, and the wheel disc 31 of partial circle shape
This stair climbing wheel can not be formed, because partial circle shape is without the circle of closing, it is impossible to support cylinder ball 36.In addition
Stair climbing wheel profile described in the profile of a form of stair climbing wheel and the part 1 of this part is just the same, therefore omits
Accompanying drawing.
4th, the wheel slip ring 32 of stair climbing wheel is that the annular side plate 33 of light circle and pulley 35 are formed by two inside and outside circles,
And be connected a transmission end cap 37 in the outside in a center of annular side plate 33.
As another improvement of the stair climbing wheel of the present invention, composition takes turns the annular side of slip ring 32 on stair climbing wheel
Plate 33 is projected as inside and outside two concentric circles, and inside and outside circle is light circle；Locate porose circle centered on wheel disc 31, or be semicircle orifice
Circle, or be partial circle shape structure；And connected one of the outside in a center of annular side plate 33 is driven end cap wherein
37, there is a spline through hole at the center of the transmission end cap 37；It is driven the spline through hole center of end cap 37 and the circle of annular side plate 33
The heart overlaps；Figure 10 is the structural representation of wheel slip ring 32 of the connected transmission end cap 37 in the outside in a center of annular side plate 33.
Figure 11 be by two inside and outside circles be light circle annular side plate 33 and an annular sliding block structure 34 into skidding
Ring 32, and a central lateral of annular side plate 33 is connected one and is driven end cap 37, the stair climbing wheel formed with wheel disc 31
Structural representation.
The annular side plate 33 and the wheel slip ring 32 that forms of multiple pulleys 35 that it is light circle by two inside and outside circles that Figure 12, which is, and
And a central lateral of annular side plate 33 is connected one and is driven end cap 37, the stair climbing formed with the circular wheel disc 31 of semicircle orifice
The structural representation of wheel.
This stair climbing wheel is actually one of the stair climbing wheel that the annular side plate that inner circle is ring gear is formed
The result of ring gear reduced radius on annular side plate, the convenience of installation is simply considered, be connected a transmission end cap outside
37 and keep original structure；Otherwise fixing the bolt of wheel disc 31 must select counterbore to install, and the assembling of stair climbing wheel is also
It must be carried out on wheelchair frame, add the difficulty of stair climbing wheel assembling.
Equally, because the wheel disc 31 for meeting this structure can be porose circle at center, or the circle of semicircle orifice, or
It is three kinds of structures of partial circle, so also having the stair climbing wheel of three kinds of forms of these three wheel discs 31 combination, simply this theory
It is bright to eliminate part-structure accompanying drawing.
5th, the skidding petticoat of stair climbing wheel is provided with pneumatic tire.
Pneumatic tire 38 is assembled in the outward flange of wheel slip ring 32 of stair climbing wheel, vibrations can be effectively reduced.
2nd, electric stair climbing ladder wheelchair of the present invention
1st, electric stair climbing ladder wheelchair of the inner circle for the stair climbing wheel of the annular side plate 33 of ring gear is used.
Figure 13 is the structural representation of electric stair climbing ladder wheelchair of the present invention, and its stair climbing wheel employs inner circle as ring gear
Annular side plate 33.From stair-climbing device based on common wheelchair, is set thereon, stair-climbing device includes climbing building the present invention
Terraced wheel, Vidacare corp；Big wheel with the substitution of stair climbing wheel installed in side frame rear portion, by the wheel of stair climbing wheel
Disk 31 is connected in the rear portion on the outside of the frame of wheelchair side, and it is same rigid body to make wheel disc 31 and wheelchair side frame；The fortune of stair climbing wheel
Dynamic plane is parallel with the side frame of wheelchair frame, and the wheel slip ring 32 of stair climbing wheel rotates smooth；The installation in the center of circle of wheel disc 31 is high
For degree higher than the height for intending climbing highest ladder step, the height that electric stair climbing ladder wheelchair of the present invention is preferably intended climbing highest ladder step is 200
mm（According to construction standards, the height of general stair is not more than 175mm, and depth is not less than 260 mm）, thus select this data to protect
Card can climb most of stair.The installation of wheel disc 31 will meet wheelchair in straight line moving and stair climbing to the branch of whole car body
Support and the guiding to taking turns slip ring 32, that is, at least a greater part of entity for having wheel disc 31 of lower half circle in stair climbing wheel, this
Invent the wheel disc 31 used（The circular wheel disc of semicircle orifice, or the wheel disc of partial circle shape）The almost entity of hemicycle.
Vidacare corp mainly has motor 42, gear 41, control device.The installation site of gear 41 can be in annular
The inner side any place of the ring gear of side plate 33, it is of the invention preferably in the range of the lower half circle of ring gear as long as ensureing normal engagement,
And motor 42 is connected on the frame of corresponding wheelchair side.Ring gear radially inner side close to annular side plate 33 on wheel disc 31 is opened
One through hole, selection gear 41 are duplicate gear, and the axle of gear 41 passes through the through hole, makes duplicate gear 41 and two annular side plates
Ring gear engagement on 33；In fact, the inner circle also on an optional annular side plate 33 is ring gear, and another annular side
Inner circle on plate 33 is justified for light, i.e., is only engaged with a gear 41 with a ring gear, such one side structure is simpler, especially
Be the axle of gear 41 distal end bearing block structure it is simple, installation is more convenient, on the other hand this ring gear roller chair side frame, outside
For annular side plate 33 without ring gear, use is safer, can save gear ring protective cover；Although this selection more has in actual applications
Benefit, but for the ease of the statement of the present invention program, still have selected the ring gear on duplicate gear 41 and two annular side plates 33
The scheme of engagement.Motor 42 is fixedly connected on the relevant position of wheelchair side frame, ensures driven gear 41（The tooth of diagram
Take turns and do not chosen on demand with the tooth module of ring gear, only illustrated, Yu Tong）.During 42 drive gear 41 of motor, motor 42 just,
Reverse turn band moving gear 41 accordingly rotates, so as to which driving wheel slip ring 32 makees corresponding rotation relative to wheel disc 31；Motor 42 drives
Gear 41 makes wheel slip ring 32 be rotated clockwise with respect to wheel disc 31 when rotating clockwise, can be considered the relative wheel inverse time of slip ring 32 of wheel disc 31
Pin rotates；Gear 41 makes wheel slip ring 32 be rotated counterclockwise with respect to wheel disc 31 when rotating counterclockwise, and the relative wheel slip ring of wheel disc 31
32 rotate clockwise.The control device of the present invention can reequip on the Common Controller used in traditional electric wheelchair, set up up and down
Stair pattern, it need to only control and bind with low speed.
Figure 14 is to use the wheel disc of semicircle orifice circle or the wheel disc for partial circle shape and be fixedly connected on wheelchair frame
The electric stair climbing ladder Wheelchair structure signal of stair climbing wheel.The inner circle for showing annular side plate 33 is the stair climbing wheel of ring gear
Son, regardless of the structure of wheel disc 31, as long as wheel disc 31 is fixedly connected on side vehicle frame, form above-mentioned electric stair climbing ladder wheel
Chair.
2nd, it is the driving end that is connected on the annular side plate 33 and an annular side plate 33 of light circle using inside and outside circle
The electric stair climbing ladder wheelchair of the stair climbing wheel of lid 37.
One kind as electric stair climbing ladder wheelchair of the present invention is improved, and employs the annular side that two inside and outside circles are light circle
Be connected a stair climbing wheel for being driven end cap 37 on plate 33 and an annular side plate 33, as shown in figure 15.Composition wheel slip ring
32 annular side plate 33 is projected as inside and outside two concentric circles, and inside and outside circle is light circle；An and annular side plate wherein
33 outside is connected one and is driven end cap 37, and there is a spline through hole at the center of the transmission end cap 37；The spline of transmission end cap 37 leads to
Hole center overlaps with the center of circle of annular side plate 33.
Figure 16 is to use the wheel disc 31 of semicircle orifice circle or the wheel disc 31 for partial circle shape and be fixedly connected on wheelchair side
The electric stair climbing ladder Wheelchair structure of stair climbing wheel (inside and outside circle of annular side plate is light circle) in face frame and herein basis
The structural representation of the electric stair climbing ladder wheelchair of the connected transmission end cap 37 of a upper annular side plate 33 central lateral.This reality
It is installation signal of such a stair climbing wheel on electric stair climbing ladder wheelchair, will makes first and climbing without transmission end cap 37
Stair wheel is arranged on electric stair climbing ladder wheelchair, wheel disc 31 is fixedly attached to the outside at side frame rear portion, make wheel disc 31 with
Wheelchair side frame forms same rigid body；A transmission end cap 37 and the annular side plate 33 in outside are connected again, are driven end cap 37
Splined hole center overlapped with the center of circle of annular side plate 33.It is adapted to all wheel discs 31 of this stair climbing wheel, its centre bit
Equal incorporeity is put, meets work and the installation requirement of splined shaft 43.
And the Vidacare corp of this programme includes motor 42, splined shaft 43, control device；Splined shaft 43 is from stair climbing wheel
The center of son passes through two annular side plates 33 and wheel disc 31, the axle center of splined shaft 43 and the center of circle of annular side plate 33, transmission
The splined hole center superposition of end cap 37, coaxial line.Splined shaft 43 is adapted with being driven the splined hole of end cap 37, is coordinated for gap,
Axially position bearing can be set at the axial both ends that splined shaft 43 and splined hole match, from thrust bearing, in favor of being driven end cap
37 positioning and rotation.And splined shaft 43 does not undertake radial load, moment of torsion is only transmitted.Motor 42 is fixedly connected on electric stair climbing
It is same rigid body with side frame on the relevant position of the side frame of terraced wheelchair.The driving splined shaft 43 of motor 42 is suitable, turns counterclockwise
Dynamic, transmission end cap 37 is suitable, rotates counterclockwise so as to driving, and then driven wheel slip ring 32 is relative that wheel disc 31 is suitable, rotates counterclockwise.
3rd, the straight line moving and stair climbing process of electric stair climbing ladder wheelchair of the present invention.
The straight line moving of electric stair climbing ladder wheelchair of the present invention, rotated using motor 42 with moving gear 41, or drive splined shaft
43 rotate, and driving wheel slip ring 32 rotates, and wheel slip ring 32 rolls on the ground, so as to realize the straight of electric stair climbing ladder wheelchair of the present invention
Line walking function.
When carrying out straight line moving, the anti-tipping roller for the afterbody for being located at electric stair climbing ladder wheelchair need to be put down, ensure row
Walk safety.And in stair climbing, anti-tipping roller need to be folded and packed up.
Whole car body need to be after stair climbing wheel subcenter one angle of rotation, center of gravity in upper go downstairs for electric stair climbing ladder wheelchair
Move, make the angle that the angle of electric stair climbing ladder wheelchair and horizontal plane is stair activity.And pattern upstairs is set in control device
Pattern downstairs, really low speed control mode.Stair climbing function is realized in the presence of motor 42.
Electric stair climbing ladder wheelchair of the present invention both can be with straight line moving and can stair climbing, and was only with stair climbing wheel and nothing
What attachment device was realized, the extremely simple practicality of structure.
A, electric stair climbing ladder wheelchair stair-climbing ladder mistake of the inner circle for the stair climbing wheel of the annular side plate 33 of ring gear is used
Journey.
Figure 17-Figure 20 is that the process upstairs of electric stair climbing ladder wheelchair of the present invention is illustrated.Mould upstairs is opened in control device
Formula, in preceding and stair climbing wheel rear, electric stair climbing ladder wheelchair upside down away for the handle of electric stair climbing ladder wheelchair.When the present invention is electronic
The wheel slip ring 32 of the stair climbing wheel of stair climbing wheelchair is just in contact with stair ladder step, and ladder step is high herein in the center of circle of wheel slip ring 32
On degree, the intersection point of ladder step is a little in contact with being less than the wheel slip ring 32 in the center of circle, now whole electric stair climbing ladder wheelchair
The horizontal plane walked for previous stair ladder is supported, as shown in figure 17.Motor 42 rotates clockwise with moving gear 41, and gear 41 is in circle
Rolled on the ring gear of annular side plate 33, rotate counterclockwise the relative wheel slip ring 32 of wheel disc 31, while whole electric stair climbing ladder
Wheelchair will rotate clockwise around the intersection point of stair ladder step, and the supporter of electric stair climbing ladder wheelchair is just by previous Just because of this
The horizontal plane transfer of stair ladder step is the intersection point of stair ladder step, i.e., the support of whole electric stair climbing ladder wheelchair is changed into being climbed
The stair ladder step intersection point, the point is exactly the strong point of whole electric stair climbing ladder wheelchair, be in contact with it wheel slip ring 32 on
Corresponding points be by the strong point, this by the strong point upstairs during remain constant, wheel slip ring 32 only around the strong point rotate and
Do not rotated around the center of circle controlled oneself.Wheel disc 31 is by around wheel slip ring 32 in the presence of the driving force that motor 42 is exported by gear 41
The center of circle rotates counterclockwise, and driving electric stair climbing wheelchair car body rotates counterclockwise around the center of circle of wheel slip ring 32, simultaneously because behaviour
Make that the height of people is constant, thus upstairs during the height of handle be basically unchanged, so whole electric stair climbing ladder wheelchair will be around
The intersection point of stair ladder step（The strong point）Rotate clockwise, it moves the result of synthesis, and to be that electric stair climbing ladder wheelchair car body is made oblique
Ascending motion, electric stair climbing ladder wheelchair is set to increase, equivalent to the upward sliding on inclined-plane, this " inclined-plane " is exactly to take turns slip ring 32,
Just as having carried " inclined-plane " that can be slid on, so wheel slip ring 32 has both played support electric stair climbing ladder wheelchair car body
Effect, upstairs during support electric stair climbing ladder wheelchair car body all the time, risen again to electric stair climbing ladder wheelchair car body around wheel
The guide effect that the center of circle of slip ring 32 rotates；In the process, constant relative position by the strong point on wheel slip ring 32 is real
The reason for this existing function, as shown in figure 18.In order to illustrate motion process, Figure 19 images are made and have illustrated the process, the figure institute
It is shown as moving to the motion model signal of Figure 18 positions from Figure 17 positions, was exported before this in Figure 17 position motors 42 by gear 41
Driving force in the presence of electric stair climbing ladder wheelchair car body around wheel slip ring 32 the center of circle rotate counterclockwise（Such as Figure 19 left figure institute
Show）, simultaneously because the height of operator is constant, so whole electric stair climbing ladder wheelchair will be around the intersection point of stair ladder step（The strong point）
Rotate clockwise（As shown in Figure 19 right figure）；It will not be exaggerated in actual motion as being shown Figure 19, the change of point-to-point transmission
Change small, be a small and continuous process, it is that electric stair climbing ladder wheelchair car body makees oblique rising that it, which moves the result of synthesis,
Motion, electric stair climbing ladder wheelchair is set to increase, equivalent to the upward sliding on inclined-plane, Figure 19 is merely to describing the problem and have selected
2 points changed greatly are expressed, this 2 points be actually countless multiple small consecutive variations accumulation result.Until stair climbing
Wheel is just tangent with the horizontal line of ladder step, or intersection point of the wheel slip ring 32 again with the one stair ladder step in top is in contact, and is propped up
Relative position of the support point on wheel slip ring 32 can just change, and electric stair climbing ladder wheelchair climbs up stair ladder step, so far completes one
Ladder step is climbed, as shown in figure 20.So it is repeatedly completed whole stair climbing work.Electric stair climbing ladder wheelchair can be lengthened in practice
Handle, more convenient operation.
Figure 21-Figure 23 is the process signal downstairs of electric stair climbing ladder wheelchair of the present invention, and mould of going downstairs is opened in control device
Formula, in the process, the stair climbing wheel of electric stair climbing ladder wheelchair is in preceding and handle rear, and electric stair climbing ladder wheelchair is just forward
OK.The wheelchair of electric stair climbing ladder shown in Figure 21 go downstairs beginning state, stair climbing wheel cross the center of circle vertical plane just with building
The facade of terraced step overlaps, and the strong point of electric stair climbing ladder wheelchair is the intersection point of ladder step, and the wheel slip ring 32 of stair climbing wheel
Upper corresponding point be by the strong point, downstairs process this remained not in the relative position of wheel slip ring 32 by the strong point
Become, wheel slip ring 32 is only rotated without being rotated around the center of circle controlled oneself around the strong point；In motor 42 work is rotated counterclockwise with moving gear 41
Under, gear 41 rolls on the ring gear of annular side plate 33, wheel disc 31 is rotated clockwise around the center of circle of wheel slip ring 32,
Electric stair climbing ladder wheelchair car body is set to be rotated clockwise around the center of circle of wheel slip ring 32, simultaneously because the height of hand handle is several in the process
Constant, whole electric stair climbing ladder wheelchair will be around the intersection point of stair ladder step（The strong point）Rotate counterclockwise, its synthesis moved
Electric stair climbing ladder wheelchair car body is made oblique downward movement, equivalent to the slide downward on inclined-plane, take turns slip ring 32 in the process
All the time electric stair climbing ladder wheelchair car body is support, electric stair climbing ladder wheelchair car body is rotated around the center of circle of wheel slip ring 32, such as Figure 22
It is shown；Until stair climbing wheel drops to the plane contact with next ladder step, as shown in figure 23, so far electric stair climbing ladder wheelchair
Under complete stair ladder step, complete the decline of a ladder step.So it is repeatedly completed process of entirely going downstairs.
B, it is the driving end that is connected on the annular side plate 33 and an annular side plate 33 of light circle using inside and outside circle
The electric stair climbing ladder wheelchair stair-climbing ladder process of the stair climbing wheel of lid 37.
Go upstairs process：
Pattern upstairs is opened in the control device of electric stair climbing ladder wheelchair of the present invention, the handle of electric stair climbing ladder wheelchair is preceding
And stair climbing wheel, rear, electric stair climbing ladder wheelchair upside down away.When the wheel of the stair climbing wheel of electric stair climbing ladder wheelchair of the present invention
Slip ring 32 is just in contact with stair ladder step, and the center of circle of wheel slip ring 32 is herein on ladder step height, and the intersection point of ladder step is with being less than
The wheel slip ring 32 in the center of circle is a little in contact, the level that now support of whole electric stair climbing ladder wheelchair walks for previous stair ladder
Face.The splined shaft 43 to be driven of motor 42 rotates clockwise, and splined shaft 43 is further through the splined hole being adapted to therewith driving end to be driven
Lid 37 rotates clockwise, and then is intended to driven wheel slip ring 32 and rotates clockwise, still, due to wheel slip ring 32 be in contact with ladder step around
Intersection point（The strong point）Rotate without being rotated around the center of circle controlled oneself, therefore transmission end cap 37 is rotated, certain splined shaft 43
Cannot rotate, but, the relative motion between the drive lower whorl slip ring 32 and wheel disc 31 of motor 42 still has, not because
Wheel slip ring 32 is not rotated around the center of circle controlled oneself and disappeared, thus can only be wheel disc 31 around the center of circle for taking turns slip ring 32（And splined shaft
43 axle center）Relative wheel slip ring 32 rotates counterclockwise, and certain electric stair climbing ladder wheelchair car body is also around the center of circle of wheel slip ring 32（
It is the axle center of splined shaft 43）Rotate counterclockwise, while whole electric stair climbing ladder wheelchair will be around the intersection point of stair ladder step（Support
Point）Rotate clockwise；The support of whole electric stair climbing ladder wheelchair is changed into the intersection point for the stair ladder step climbed, the point
It is exactly the strong point of whole electric stair climbing ladder wheelchair, the corresponding points on wheel slip ring 32 being in contact with it are by the strong point, and this is propped up
Support point remains constant during upstairs, and it is that electric stair climbing ladder wheelchair car body makees elevator obliquely that it, which moves the result of synthesis,
It is dynamic, electric stair climbing ladder wheelchair is increased, equivalent to the upward sliding on inclined-plane, take turns slip ring 32 in the process and support electricity all the time
Dynamic stair climbing wheelchair car body, electric stair climbing ladder wheelchair car body is set to be rotated around the center of circle of wheel slip ring 32, until climbing up ladder step.So
It is repeatedly completed the process of going upstairs.Figure 24 is that electric stair climbing ladder wheelchair is gone upstairs to the signal of a certain position.
Go downstairs process：
The pattern of going downstairs is opened in the control device of electric stair climbing ladder wheelchair of the present invention, the handle of electric stair climbing ladder wheelchair is rear
And stair climbing wheel is front and rear, electric stair climbing ladder wheelchair is positive to move ahead.When the beginning state that electric stair climbing ladder wheelchair is gone downstairs, climb
Facade of the vertical plane for crossing the center of circle of stair wheel just with stair ladder step overlaps, and the strong point of electric stair climbing ladder wheelchair is should
The intersection point of ladder step, and corresponding point is by the strong point on the wheel slip ring 32 of stair climbing wheel, this was being gone downstairs by the strong point
Remained in journey constant；The splined shaft 43 to be driven of motor 42 rotates counterclockwise, and take turns slip ring 32 only around the strong point rotate without
Rotated around the center of circle controlled oneself, can not be around the center of circle of wheel slip ring 32 so as to be driven end cap 37（And the axle center of splined shaft 43）Turn
Dynamic, certain splined shaft 43 does not also just rotate, similarly, in the relative motion driven between lower whorl slip ring 32 and wheel disc 31 of motor 42
Still have, thus can only be that wheel disc 31 rotates clockwise around the relative wheel slip ring 32 in the center of circle of wheel slip ring 32, it is certainly electronic to climb
Stair wheelchair car body also rotates clockwise around the center of circle of wheel slip ring 32, while whole electric stair climbing ladder wheelchair will walk around stair ladder
Intersection point（The strong point）Rotate counterclockwise, it, which moves synthesis, makes electric stair climbing ladder wheelchair car body make oblique downward movement；Herein
During wheel slip ring 32 support electric stair climbing ladder wheelchair car body all the time, make electric stair climbing ladder wheelchair car body around wheel slip ring 32 circle
The heart rotates, until stair climbing wheel drops to the plane contact with next ladder step, so far electric stair climbing ladder wheelchair Xia Wangai buildings
Terraced step, completes the decline of a ladder step.So it is repeatedly completed process of entirely going downstairs.Figure 24 also can be considered electric stair climbing ladder wheelchair
Go downstairs to the signal of a certain position.
The electric stair climbing ladder wheelchair eliminates ring gear, more compact structure, is not required to protective cover during use, and manufacturing cost is low,
It is a kind of preferred scheme.
The present invention is fully described herein, without departing substantially from set forth herein spirit and ambit under, can
Some modification and improvement are made to the present invention, this is it will be apparent that but falling for a people with ordinary skill
Enter the scope of the present invention.
Claims (5)
1. a kind of electric stair climbing ladder wheelchair, including wheelchair frame, wheel, brake gear, and seat against；Wheel has two big wheels and two
Individual trundle, wheelchair frame include two side framves being parallel to each other, a big wheel and one are respectively provided with each side frame
Trundle, big wheel is parallel with side frame, seats against and is stretched tight and formed on wheelchair frame with the fabric of flexibility；It is characterized in that：It is electronic to climb
Stair wheelchair is provided with stair-climbing device, and the device includes stair climbing wheel, Vidacare corp；Stair climbing wheel is wheelchair
Big wheel, including wheel disc (31), take turns slip ring（32）；All circles on stair climbing wheel are concentric circles；Wheel disc (31) is circle, or is
The circle of semicircle orifice, or be partial circle shape structure；Take turns slip ring（32）It is by two symmetrical annular side plates（33）, a circle
Ring slider（34）The rigid body of composition；Annular side plate（33）Inside and outside two concentric circles are projected as, inner circle is ring gear；Take turns slip ring
（32）Projection and annular side plate（33）Projection it is identical；Annular sliding block（34）Also it is two concentric circles, its is cylindrical straight
Footpath and annular side plate（33）Outside diameter it is equal, its interior diameter of a circle is more bigger than the diameter of wheel disc (31), and wheel disc
(31) radius is more than annular side plate（33）Inner circle radius；Annular sliding block（34）Thickness it is corresponding slightly larger than wheel disc (31)
The thickness at place；Annular sliding block（34）It is connected in two annular side plates（33）Between, annular sliding block（34）It is cylindrical with circle
Annular side plate（33）Cylindrical concyclic face, form wheel slip ring（32）Rigid body；Take turns slip ring（32）Any radial section be " u "-shaped,
And the base of " u "-shaped is annular sliding block（34）, two sides are two annular side plates（33）, form an annular groove；Wheel
Slip ring（32）It is enclosed on wheel disc (31), part wheel disc (31) is located in annular groove, annular sliding block（34）Inner circle and wheel disc
(31) circle is adapted, partial circle shape sliding block（34）Inner headed face be in contact with wheel disc (31) disc, take turns slip ring（32）Upper two
Annular side plate（33）Medial surface be adapted with the two sides of wheel disc (31)；Take turns slip ring（32）With wheel disc (31) relative can make it is suitable,
Rotate counterclockwise；
The wheel disc (31) of stair climbing wheel is connected in the rear portion on the outside of the frame of wheelchair side, and wheel disc (31) is same firm with side frame
Body；The plane of movement of stair climbing wheel is parallel with the side frame of wheelchair frame, the wheel slip ring of stair climbing wheel（32）The center of circle height
Higher than the height for intending climbing highest ladder step；Wheel disc (31) structure meets when the walking of electric stair climbing ladder wheelchair and stair climbing work to whole
The support of body；
Vidacare corp includes motor（42）, gear（41）, control device；Motor（42）It is fixedly connected on stair climbing wheelchair
It is same rigid body with wheelchair side frame on the frame of side, gear（41）With annular side plate（33）Ring gear engagement, motor（42）
Positive and negative rotation band moving gear（41）It is corresponding to rotate, so as to drive the wheel slip ring of stair climbing wheel（32）With respect to wheel disc (31) make it is suitable,
Rotate counterclockwise.
2. electric stair climbing ladder wheelchair according to claim 1, it is characterised in that：Composition wheel slip ring on stair climbing wheel（32）'s
Annular side plate（33）Be projected as inside and outside two concentric circles, inside and outside circle is light circle；Wheel disc locates porose circle centered on (31)
Shape, or the circle for semicircle orifice, or be partial circle shape structure；An and annular side plate wherein（33）Outside be connected one
Individual transmission end cap（37）, the transmission end cap（37）Center have a spline through hole；It is driven end cap（37）Spline through hole center with
Annular side plate（33）The center of circle overlap；
Vidacare corp includes motor（42）, splined shaft（43）, control device；Motor（42）It is fixedly connected on stair climbing wheelchair
Side frame on, be same rigid body with wheelchair side frame, splined shaft（43）With being driven end cap（37）Spline through hole be adapted, flower
Key axle（43）Only transmit moment of torsion；Motor（42）Positive and negative rotation drives splined shaft（43）It is corresponding to rotate, so as to drive stair climbing wheel
Wheel slip ring（32）With respect to wheel disc (31) make it is suitable, rotate counterclockwise.
3. the electric stair climbing ladder wheelchair according to claim 1 or claim 2, it is characterised in that：The skidding of stair climbing wheel
Ring（32）It is by two symmetrical annular side plates（33）, at least six pulleys（35）The rigid body of composition；Pulley（35）Width
Slightly larger than the thickness of wheel disc (31) corresponding position；Each pulley（35）Equably it is connected in two annular side plates（33）It is cylindrical by its
Between, form wheel slip ring（32）Rigid body；All pulleys（35）Outer common tangent circle diameter it is equal with the diameter of wheel disc (31), and
The radius of wheel disc (31) is more than annular side plate（33）Inner circle radius, and all pulleys（35）The diameter of internal common tangent circle be less than
Or equal to annular side plate（33）Outside diameter；Take turns slip ring（32）It is enclosed on wheel disc (31), pulley（35）With wheel disc (31)
Disc is in contact, and takes turns slip ring（32）Upper two annular side plates（33）Medial surface be adapted with the two sides of wheel disc (31)；Skidding
Ring（32）With wheel disc (31) relative can make it is suitable, rotate counterclockwise.
4. the electric stair climbing ladder wheelchair according to claim 1 or claim 2, it is characterised in that：The wheel disc of stair climbing wheel
(31) disc and wheel slip ring（32）Annular sliding block（34）Inner headed face between multiple cylinder balls are uniformly housed（36）With
Ball retainer；Wheel disc (31) outward flange is the circular configuration of closing；All cylinder balls（36）Outer common tangent circle diameter with wheel
Disk (31) diameter is equal, and the radius of wheel disc (31) is more than annular side plate（33）Inner circle radius, and all cylinder balls
（36）Internal common tangent circle diameter and annular sliding block（34）Interior circular diameter is equal；Take turns slip ring（32）It is enclosed on wheel disc (31),
Cylinder ball（36）Outer common tangent circle and wheel disc (31) circle be adapted, cylinder ball（36）It is in contact with wheel disc (31) disc, circle
Post ball（36）Internal common tangent circle and annular sliding block（34）Inner circle be adapted, cylinder ball（36）With annular sliding block（34）
Inner headed face be in contact；Take turns slip ring（32）Upper two annular side plates（33）Medial surface be adapted with the two sides of wheel disc (31)；
Take turns slip ring（32）With wheel disc (31) relative can make it is suitable, rotate counterclockwise.
5. the electric stair climbing ladder wheelchair according to claim 1 or claim 2, it is characterised in that：The skidding of stair climbing wheel
Ring（32）Outward flange is provided with pneumatic tire（38）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510597689.5A CN106539653B (en) | 2015-09-20 | 2015-09-20 | Electric stair climbing ladder wheelchair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510597689.5A CN106539653B (en) | 2015-09-20 | 2015-09-20 | Electric stair climbing ladder wheelchair |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106539653A CN106539653A (en) | 2017-03-29 |
| CN106539653B true CN106539653B (en) | 2017-11-10 |
Family
ID=58362352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510597689.5A Expired - Fee Related CN106539653B (en) | 2015-09-20 | 2015-09-20 | Electric stair climbing ladder wheelchair |
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| Country | Link |
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| CN (1) | CN106539653B (en) |
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| US3179431A (en) * | 1963-01-29 | 1965-04-20 | Otto G Pikl | Obstacle-climbing wheel chairs |
| US4108449A (en) * | 1977-01-31 | 1978-08-22 | Rhodes Thomas J | Stair-climbing wheelchair |
| EP1095646B1 (en) * | 1999-10-28 | 2005-12-28 | Richter Rehabilitationstechnologie GmbH & Co. KG | Wheel assembly especially for stair climbing trolley for disabled persons |
| CN101543448A (en) * | 2009-05-04 | 2009-09-30 | 谢传坤 | Dual-purpose electric wheelchair capable of going up and down stair and moving on flat road |
| CN201564701U (en) * | 2009-10-20 | 2010-09-01 | 赵树名 | Stair climbing smart wheel chair |
| CN203790169U (en) * | 2014-01-27 | 2014-08-27 | 河北工业大学 | Wheel type stair climbing wheelchair |
| CN104207899A (en) * | 2014-03-27 | 2014-12-17 | 刘继伦 | Stair climbing wheelchair |
| WO2013183044A8 (en) * | 2012-06-04 | 2015-02-19 | Beeri Shmuel | Devices for enabling movement of a wheelchair on stairs and a wheelchair including the devices |
| CN204293390U (en) * | 2014-10-14 | 2015-04-29 | 胡选子 | A kind of crawler type power assisted wheelchair |
| CN205163438U (en) * | 2015-09-20 | 2016-04-20 | 杨祖成 | Electronic stair wheelchair of climbing |
-
2015
- 2015-09-20 CN CN201510597689.5A patent/CN106539653B/en not_active Expired - Fee Related
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3179431A (en) * | 1963-01-29 | 1965-04-20 | Otto G Pikl | Obstacle-climbing wheel chairs |
| US4108449A (en) * | 1977-01-31 | 1978-08-22 | Rhodes Thomas J | Stair-climbing wheelchair |
| EP1095646B1 (en) * | 1999-10-28 | 2005-12-28 | Richter Rehabilitationstechnologie GmbH & Co. KG | Wheel assembly especially for stair climbing trolley for disabled persons |
| CN101543448A (en) * | 2009-05-04 | 2009-09-30 | 谢传坤 | Dual-purpose electric wheelchair capable of going up and down stair and moving on flat road |
| CN201564701U (en) * | 2009-10-20 | 2010-09-01 | 赵树名 | Stair climbing smart wheel chair |
| WO2013183044A8 (en) * | 2012-06-04 | 2015-02-19 | Beeri Shmuel | Devices for enabling movement of a wheelchair on stairs and a wheelchair including the devices |
| CN203790169U (en) * | 2014-01-27 | 2014-08-27 | 河北工业大学 | Wheel type stair climbing wheelchair |
| CN104207899A (en) * | 2014-03-27 | 2014-12-17 | 刘继伦 | Stair climbing wheelchair |
| CN204293390U (en) * | 2014-10-14 | 2015-04-29 | 胡选子 | A kind of crawler type power assisted wheelchair |
| CN205163438U (en) * | 2015-09-20 | 2016-04-20 | 杨祖成 | Electronic stair wheelchair of climbing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106539653A (en) | 2017-03-29 |
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Granted publication date: 20171110 Termination date: 20180920 |