CN201154717Y - Auxiliary device for climbing for wheelchair or carriage - Google Patents

Auxiliary device for climbing for wheelchair or carriage Download PDF

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Publication number
CN201154717Y
CN201154717Y CNU2007201840628U CN200720184062U CN201154717Y CN 201154717 Y CN201154717 Y CN 201154717Y CN U2007201840628 U CNU2007201840628 U CN U2007201840628U CN 200720184062 U CN200720184062 U CN 200720184062U CN 201154717 Y CN201154717 Y CN 201154717Y
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CN
China
Prior art keywords
wheel
wheelchair
way
disk
bar
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CNU2007201840628U
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Chinese (zh)
Inventor
马云
来正言
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Hangzhou Normal University
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Hangzhou Normal University
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Publication date
Application filed by Hangzhou Normal University filed Critical Hangzhou Normal University
Priority to CNU2007201840628U priority Critical patent/CN201154717Y/en
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Publication of CN201154717Y publication Critical patent/CN201154717Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model provides an auxiliary device which is applicable to the climbing of a wheel chair or a dolly. The auxiliary device used for the climbing of a wheel chair or a dolly includes a big wheel (1); a unidirectional wheel (2) which can be contacted with the ground on a proper position so as to support the center of gravity; a unidirectional wheel adjusting device which is connected with the big wheel (1) and is used for adjusting the position of the unidirectional wheel (2). The device can prevent the phenomenon of reversing or turning over when a car is still from happening when the wheel chair or a simple transportation tool meets a step or a slope, thus achieving the goals of stabilizing the center of gravity, safety and saving the labor.

Description

Wheelchair or dolly are climbed and are used auxiliary device
Technical field
The utility model relates to wheelchair or dolly is climbed a kind of auxiliary device of usefulness.
Background technology
Along with developing rapidly of current society, physical disabilities are subjected to the extensive concern of society day by day, and also emerge in an endless stream for the various novel products of their design-calculated specially.At the disappearance of all kinds of physical disabilities' each side ability and invent and produced numerous products, what wherein be most widely used is exactly the traditional push chairs that is used for level walking.The building of now and facility all attach step or slope, and traditional push chairs or dolly the situation that falls back or overturn occurs easily when running into step or slope, not only effort and exist potential safety hazard again.
Present existing this type of ancillary technique is broadly divided into following several:
1. utilize the rubber belt track principle.This type of device when running into step, is transferred into a suitable angle with it by in the wheelchair bottom proper width and the big or small rubber belt track that close tooth is arranged being installed, and makes the user upper body honest, and the close tooth of belt conveyor and step coincide, and makes it current smoothly.Its shortcoming is, installs too hugely, and inconvenient folding and unfolding takes up room, and has increased the weight of wheelchair in daily life greatly, makes wheelchair increase friction force on the level land when current, thereby increased power consumption.
2. take turns the alternate-running device more.This type of device alternately rolls around same center-point by many wheels, takes turns the climbing action of the motion up or down of a step.Its shortcoming is, owing to be subjected to the radius limit that the each several part of these many wheel apparatus is formed wheel, the terrace of up/down steps and rank height all must be in the scopes of certain size, and are not suitable for the step of all size, and it is little to limit the use of scope.
3. balance induction installation.This type of device is by the electronic equilibrium sensor-based system, even wheelchair uses a wheel also can stand firm.Repack the wheelchair trailing wheel into two and take turns alternate rotation, the complex equilibrium device just can make wheelchair accomplish that up/down steps is free and relaxed.Its shortcoming is that owing to adopted electronic computer technology in a large number, so want expensive with respect to two kinds of fronts, receptible crowd's scope is less.
Summary of the invention
For overcoming the above-mentioned defective of prior art, the utility model provides a kind of later-model auxiliary device that is applicable to that dolly or wheelchair are climbed, this auxiliary device can be when wheelchair or simple and easy transportation means run into step or slope, can prevent that the phenomenon that fall back or overturn of vehicle when static from producing, reach stable center of gravity, the purpose of safety labor-saving.
For this reason, the technical scheme that provides of the utility model is as follows:
A kind of wheelchair or dolly are climbed and are used auxiliary device, comprise bull wheel, also comprise: the one-way wheel that can contact with ground, to support the center of wheelchair or dolly; The one-way wheel control apparatus that links to each other with bull wheel is in order to regulate the position of one-way wheel.Further, also comprise preceding wheel lifter, an end of this preceding wheel lifter links to each other with forward wheel components, and the other end links to each other with the one-way wheel control apparatus, in order to regulate the lifting of forward wheel components.
Described one-way wheel control apparatus comprises the disk that can rotate around the center of circle that is fixed on big wheel side, and the disk outside is provided with axostylus axostyle, and casing pipe sleeve also can slide up and down along axostylus axostyle outside axostylus axostyle; One takes turns the intersection point A place that bar is fixed on itself and disk, and an end of wheel bar is fixed with one-way wheel, and the other end is connected on the sleeve pipe; Disk is provided with handle, and swing handle can make disk rotate, and with the angle of adjusting knurl bar, makes one-way wheel be in suitable position and contacts the support center with ground.
Wheel lifter comprises the angular pole and the cramp bar of point action always together before described, one end of right angle bar is fixed on the sleeve pipe, the other end links to each other with forward wheel components by active node B, fulcrum C is positioned at the connecting rod place of forward wheel components, along with sleeve pipe slides up and down along axostylus axostyle, can drive the right angle bar and active node B is mentioned or press down, forward wheel components will be lifted or put down under the effect of lever principle.
The utlity model has safety and stability, operation is simple and easy, cost is low advantage, can be widely used in wheelchair or small-sized conveying arrangement.The good effect that this wheelchair or dolly are climbed with auxiliary device is embodied in:
1. the folding and unfolding of wheelchair or dolly both sides one-way wheel mainly is that control by wheel disc realizes, and wheel disc is on the plane parallel with bull wheel, does not influence wheelchair or dolly in-to-in and shrinks support.Therefore, wheelchair also can be as traditional push chairs, when time spent not, can folding and retraction, and minimizing takes up room.
2. because it has just increased by two one-way wheels, do not influence the normal operation of bull wheel, and the diameter of bull wheel is much bigger with respect to the height of step, so even on highly different steps, move, state of kinematic motion can not be subjected to any influence, has enlarged the scope of using step.
3. the linkage of two of this device one-way wheels and control disk, sheerly mechanical device does not relate to Eltec, simple in structure, easy to maintenance, the service efficiency height, simple to operate, and low cost of manufacture, also solved skid, the problem of body inclination and crank.
4. this device singly not can be used for wheelchair, also can be applied independently in various conveying arrangements.The stagnation ability can allow the user deal with all kinds of accidents on the way in its way, and is humanized.
Description of drawings
Fig. 1 is the structural representation of a kind of embodiment of the utility model;
Fig. 2 is the work scheme drawing of a kind of one-way wheel control apparatus embodiment;
Fig. 3 is the view of the utility model on the ramp.
Below, in conjunction with the accompanying drawings the utility model is done further detailed description.
The specific embodiment
The utility model is embodiment with the wheelchair.As shown in Figure 1, wheelchair is when mobile, and most of weight of being carried all concentrates on the surface of tyre of bull wheel and locates with ground-surface point of contact, therefore is easy to when going up a slope or going upstairs owing to the inclined to one side mistake of center of gravity is turned over.Therefore, present embodiment is auxiliary one-way wheel of each design and installation in the both sides of wheelchair, and this one-way wheel can be regulated front and back position arbitrarily on the horizontal surface of the outside of wheelchair bull wheel.Further, also designed the jacking system of a forward wheel components, to solve the problem of front-wheel and other forward wheel components such as stretcher scrape along the ground when facing step or slope.
The wheelchair of present embodiment or dolly are climbed and are used auxiliary device, comprise bull wheel 1, one-way wheel 2, one-way wheel control apparatus and preceding wheel lifter.
Described one-way wheel control apparatus adopts three bar linkage structures, as Fig. 2.It comprises the disk 3 that can rotate around the bull wheel center of circle that is fixed on bull wheel 1 side, and disk 3 outsides are fixed with an axostylus axostyle 4, and the diameter of the length of axostylus axostyle 4 and disk 3 is suitable.Be with a sleeve pipe 5 outside the axostylus axostyle 4, the length of sleeve pipe 5 is about 3/4ths of disk 3 diameter lengths, can slide up and down along axostylus axostyle.A wheel bar 6 that is used for fixing one-way wheel 2 is describedly taken turns the intersection point A place that bar 6 is fixed on itself and disk 3, and an end of wheel bar 6 is fixed with one-way wheel 2, and the other end is connected on the sleeve pipe 5.The length of wheel bar 6 is suitable with the diameter length of bull wheel 1, and when sleeve pipe 5 was in the top of axostylus axostyle 4, the intersection point A of wheel bar 6 and disk 3 was positioned at the E place, bottom of disk.Disk 3 is provided with handle 7, and the user can come rotary disk 3 by swing handle 7, because wheel bar 6 is fixed on the disk, wheel bar 6 can make one-way wheel 2 be in suitable position and contact with ground along with the rotation adjusting angle and the direction of disk 3, to support center of gravity.
Under the work of the connecting rod mechanism principle of this structure, the user can regulate the position and the direction of one-way wheel freely, as shown in Figure 3, as user during at last downslope or stair, can the fixed position and support center of gravity.And, consider that the wheelchair user mostly is the residual weakling of body, health flexibility ratio, operating force with respect to the normal person a little less than, so, this wheelchair light and flexible, easily handle, cost is moderate, can be most of people and accept.Certainly, the lever regulated device of this one-way also can be widely used in various production and transports and the daily use.
Wheel lifter comprises the angular pole 8 and the cramp bar 9 of point action always together before described, one end of right angle bar 8 is fixed on the sleeve pipe 5, the other end is active node B, and this active node B links to each other with forward wheel components 10, and the fulcrum C of cramp bar 9 is positioned at connecting rod 11 places of forward wheel components.Right angle bar 8 can promptly be made motion of translation along with the change of one-way wheel position along with moving up and down of sleeve pipe 5.Downslide by disk 3 control sleeve pipes 5 can drive the decline of right angle bar 8, is levered up thereby forward wheel components 10 is gone up from fulcrum C according to lever principle, and because the position of fulcrum C is changeless, can not shift one's position with the height of front-wheel or pedal.Therefore, so just can solve when the user in the face of top bar or during the slope problem of front-wheel and stretcher scrape along the ground by the level land.

Claims (4)

1, a kind of wheelchair or dolly are climbed and are used auxiliary device, comprise bull wheel (1), it is characterized in that also comprising: one-way wheel (2), and this one-way wheel can contact with ground in position, to support center of gravity; The one-way wheel control apparatus that links to each other with bull wheel (1) is in order to regulate the position of one-way wheel (2).
2, wheelchair according to claim 1 or dolly are climbed and are used auxiliary device, it is characterized in that: also comprise preceding wheel lifter, an end of wheel lifter links to each other with forward wheel components (10) before being somebody's turn to do, and the other end links to each other with the one-way wheel control apparatus, in order to regulate the lifting of forward wheel components.
3, wheelchair according to claim 1 or dolly are climbed and are used auxiliary device, it is characterized in that: described one-way wheel control apparatus comprises the disk (3) that can rotate around the center of circle that is fixed on bull wheel (1) side, disk (3) outside is provided with axostylus axostyle (4), and sleeve pipe (5) is enclosed within outside the axostylus axostyle (4) and can slides up and down along axostylus axostyle; One takes turns the intersection point A place that bar (6) is fixed on itself and disk (3), and an end of wheel bar (6) is fixed with one-way wheel (2), and the other end is connected on the sleeve pipe (5); Disk is provided with handle (7), and swing handle (7) can make disk (3) rotate, and with the angle of adjusting knurl bar, makes one-way wheel be in suitable position.
4, wheelchair according to claim 3 or dolly are climbed and are used auxiliary device, it is characterized in that: also comprise preceding wheel lifter, wheel lifter comprises angular pole (8) and the cramp bar of point action (9) always together before described, one end of right angle bar (8) is fixed on the sleeve pipe (5) of one-way wheel control apparatus, the other end links to each other with forward wheel components (10) by active node B, and fulcrum C is positioned at the connecting rod (11) of forward wheel components and locates; Along with sleeve pipe (5) slides up and down along axostylus axostyle (4), drive right angle bar (8) is mentioned active node B or is pressed down, and forward wheel components (10) will be lifted or put down under the effect of lever principle.
CNU2007201840628U 2007-10-11 2007-10-11 Auxiliary device for climbing for wheelchair or carriage Expired - Fee Related CN201154717Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2007201840628U CN201154717Y (en) 2007-10-11 2007-10-11 Auxiliary device for climbing for wheelchair or carriage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2007201840628U CN201154717Y (en) 2007-10-11 2007-10-11 Auxiliary device for climbing for wheelchair or carriage

Publications (1)

Publication Number Publication Date
CN201154717Y true CN201154717Y (en) 2008-11-26

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2007201840628U Expired - Fee Related CN201154717Y (en) 2007-10-11 2007-10-11 Auxiliary device for climbing for wheelchair or carriage

Country Status (1)

Country Link
CN (1) CN201154717Y (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102579209A (en) * 2012-02-24 2012-07-18 刘铁儿 Wheelchair capable of climbing stairs continuously

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102579209A (en) * 2012-02-24 2012-07-18 刘铁儿 Wheelchair capable of climbing stairs continuously

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C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20081126

Termination date: 20091111