CN1345217A

CN1345217A - Wheel walking aid

Info

Publication number: CN1345217A
Application number: CN 98813005
Authority: CN
Inventors: 尼古拉斯·赫拉德斯·科尼金
Original assignee: Individual
Current assignee: Individual
Priority date: 1997-12-12
Filing date: 1998-11-05
Publication date: 2002-04-17
Also published as: TW367245B; WO1999030665A1; NL1007777C2

Abstract

The invention relates to a wheeled support comprising a frame and coupled to the frame laterally movable rear wheels and front wheels, as well as supports for the hands or forearms and a seat. The roller support is provided with a control mechanism for, during use of the roller support, moving the rear wheels sideways in relation to each other.

Description

The walk supporting device of belt wheel

The present invention relates to a kind of bearing support that wheel is arranged, comprise framework and be connected to transversely movable trailing wheel and front-wheel on the framework, and the supporting and the seat that are used for hands or forearm.

The bearing support that wheel is arranged like this is from for example DE-U-9, and is known in 203,672 and US-A-5,702,326.DE-U-9,203,672 relate to a kind of walk supporting device, are provided with front-wheel and the trailing wheel that can swing, are used for the supporting and the seat of hands and arm.Front-wheel and trailing wheel be lateral displacement mutually.US-A-5, a kind of walk supporting device of 702,326 expressions is used for indoor and outdoors, comprises framework, and the supporting of seat and both arms is installed on the framework, and this device is provided with the wheel of rotation.Framework is provided with telescopic pipe, to allow the lateral displacement of two wheels.

Known the bearing support of wheel is arranged is the people who is used to keep the motor capacity difference, should be flexible as much as possible.Have the bearing support of wheel can be considered as combining of wheelchair and walking cane, but the cane supporting is provided at the both sides of user.Known have the supporting of wheel can be provided with braking selectively, and the known seat that in fact not only is provided with also is provided with shopping basket or dish.Known the supporting of wheel is arranged also often is folding, thereby can easily place automobile.The wheel that the supporting of wheel is arranged can be wide or narrow solid or false pregnancy due to stagnation of QI.If be provided with the hands supporting to replace the arm lower support, then they are usually configured to shape.The front-wheel that swing is set makes the supporting easy operating of wheel.

From DE-U-9, the bearing support that wheel is arranged in 203,672 and US-A-5,702,326 is that mutual laterally the moving of trailing wheel is inconvenient.Known have laterally the moving of supporting of wheel to be configured to can only adjust once, promptly when the wheel supporting is used for the first time.This means known take turns supporting must be adjusted easy operating, be included in indoor and outdoors.This is inevitable with shortcoming, and when indoor, known have the supporting of wheel must be adjusted to relative narrower, and this has adverse effect to stability, because narrow space between the trailing wheel, the foot of user may cause sprained ankle at this place.For fear of such injury, user often tends to encourage time curved posture like this in the walking of the back of trailing wheel.This is disadvantageous, because cause the joint anxiety by this posture, damages its motility.

The purpose of this invention is to provide a kind of bearing support that wheel is arranged, it is designed to allow user self that the supporting broadening of wheel during normal use will be arranged under the condition that environment allows, and allow user self during normal use under the condition that environment allows, will have the supporting of wheel to narrow down if desired, for example the time by narrow passage from the broadening position.Of the present invention for this purpose have the characteristics of the supporting of wheel to be to be provided with a control device, in use, makes rear wheel-side to relatively moving.This makes user can adopt suitable width as required.When user needs bigger stability and during the degree of freedom that moves, of the present invention have the trailing wheel of the supporting of wheel to separate relatively, when by slype, that trailing wheel is closer to each other.When the position of trailing wheel at broad, there is the user of the supporting of wheel the bigger part of its body weight to be dropped in the supporting of wheel in more axial position, therefore, skeleton distributes for providing more favourable load.But therefore this phase prolongation end user's motility several years correspondingly reduces nurse fees and uses.

Of the present invention have the bearing support of wheel to realize with various variations.In first preferred embodiment, supporting of the present invention is characterised in that framework is provided with a horizontal horizontal bar or bar, and trailing wheel be installed in the wheel stick, this wheel fork links to each other with horizontal bar or bar through sliding bearing.In this kind mode, trailing wheel is lateral displacement independently of each other.

But, better being, the sliding bearing of two wheel forks links to each other with an axle collar through connecting rod, and this axle collar can move along screw rod.The synchronous lateral register that this provides trailing wheel makes trailing wheel locate symmetrically reliably, and therefore of the present invention have the bearing support of wheel highly stable.

The operational approach of second embodiment that takes turns supporting of the present invention is very simple, it is characterized in that horizontal cross bar is provided with slotted eye.These slotted eyes are provided with sleeve pipe, are installed in first end of the bar that links to each other with the wheel fork of trailing wheel.The other end of described bar is rotating, is connected to the edge of the rotatable disc between slotted eye, and this disk is provided with an operating grip.Handle is positioned at the positive front of user, at the height of neat waist, by operating grip, trailing wheel is laterally moved.

The 3rd embodiment that takes turns bearing support of the present invention is characterised in that framework is provided with the screw rod of horizontal level, and trailing wheel is installed in wheel and sticks, and is fixed on the screw rod by the connector of columniform female thread.This embodiment provides trailing wheel to be connected with the more direct of regulating element, so the lateral register of trailing wheel can carry out sooner.

The 4th embodiment that takes turns bearing support of the present invention is characterised in that framework is provided with toothed horizontal cross bar, and trailing wheel be installed in the wheel stick, wheel fork movably is connected by toothed the wheel with the tooth of cross bar.The feature of this embodiment makes has the bearing support of wheel very solid.

Of the present inventionly have the supporting of wheel to be easy to carry about with one in order to make, described have the preferable framework that is characterised in that of bearing support of wheel to be provided with hinged wheel fork.

The present invention will be described in more detail below with reference to accompanying drawings.

Fig. 1 and Fig. 2 represent rearview and the side view according to the supporting that wheel is arranged of broadening of the present invention respectively;

Fig. 3 represents the narrow position that the supporting of wheel arranged according to of the present invention;

Fig. 4 and Fig. 5 represent respectively according to the width position of the supporting that wheel arranged of the present invention and the top view of narrow position;

Fig. 6 represents the top view according to the cross bar of the level of the supporting that wheel is arranged that handle is installed of the present invention.

Parts identical among the figure are represented with same labelling.

Labelling 1 in Fig. 1～5 is integrally represented the bearing support that wheel is arranged according to of the present invention.Described have the bearing support of wheel to comprise framework, and this framework is provided with the front-wheel 3 of trailing wheel 2 and rotation.There is the bearing support 1 of wheel to be provided with forearm supporting 4 or a hands supporting (not shown) and a foldable base 5 (seeing Fig. 4 and Fig. 5) in addition.When described user was mobile with the bearing support oneself that wheel is arranged, seat 5 was in the folding position (not shown) and as far as possible erectly walks to allow user.In order to be fit to the height of user, each forearm supporting 4 height that are connected to bar 6 is adjustable, and is positioned at the inboard of bigger pipe 7, is the part that the bearing support 1 of wheel is arranged.

Have the bearing support 1 of wheel to have trailing wheel 2 according to of the present invention, they laterally can relatively move.Present embodiment shown in Fig. 1～5 is provided with the cross bar 8 of level, and it links to each other with pipe 7, and sliding bearing 9 can slide in the above.Trailing wheel 2 is installed on the wheel fork 10, and this wheel fork 10 is connected with sliding bearing 9 with 12 rigidly through frame unit 11.

Frame unit

11 and 12 forms trailing wheels 2 and is connected with ancon between the sliding bearing 9, and feasible can will have the bearing support of wheel to fold into less size simply according to of the present invention, is transported by automobile or alternate manner being easy to.Embodiment shown in Fig. 1～5, sliding bearing 9 is connected with the axle collar 15 through connecting rod 13, and this axle collar 15 can move along screw rod 14.Screw rod 14 can be rotated by a hand wheel 16, thereby the axle collar 15 is moved with required direction, makes sliding bearing 9 move (seeing Fig. 1～3) along the direction shown in arrow A and the B.

Fig. 6 illustrates a sketch map according to the details of second preferred embodiment of the bearing support that wheel arranged of the present invention, and promptly cross bar 8 has some interactional roller support part.

Fig. 6 A represents that cross bar 8 is provided with slotted eye 17 and 18.These

slotted eyes

17 and 18 are provided with

sleeve pipe

19 and 20, and it is installed in first end of the

bar

21,22 that links to each other with the wheel fork 10 of trailing wheel 2.It is more clear that this bar is represented in Fig. 6 B and Fig. 6 C, and wherein for the sake of simplicity, cross bar 8 and operating grip 23 omit.Connection between

slotted eye

17,18 and the

sleeve pipe

19,20 replaces sliding bearing 9 for example shown in Figure 1.The other end of described

bar

21,22 is rotating, is connected to the edge of the disk 24 that is positioned between the

slotted eye

17,18, and this disk is provided with an operating grip 23.

Fig. 6 B represents disk 23 and the position of

bar

21,22 in Fig. 6 A, corresponding to the narrow position of trailing wheel 2.The left position of move operation bar 23 from Fig. 6 A rotates counterclockwise disk 24 to the right, like this

bar

21,22 moved to the position of broadening, shown in Fig. 6 C, corresponding to the position of the broadening of trailing wheel 2.

Figure does not represent other embodiment of the bearing support of wheel being arranged according to of the present invention, and they are conspicuous to those skilled in the art.The feature of one first described alternative is the screw rod that framework is provided with horizontal level, and trailing wheel is installed in wheel and sticks, and is fixed on the screw rod by the connector of columniform female thread.

Feature according to second preferred embodiment of the supporting that wheel arranged of the present invention is that framework is provided with toothed horizontal cross bar, and trailing wheel is installed in wheel and sticks, and wheel fork movably is connected by toothed the wheel with the tooth of cross bar.

Obviously,, have various other embodiment, all be limited within the protection domain of qualification of accompanying Claim for those skilled in the art.Illustrate in the described claim description in front, description does not limit protection domain.

Claims

1. bearing support (1) that wheel is arranged, comprise framework and be connected to transversely movable trailing wheel (2) and front-wheel (3) on the framework, and the supporting (4) and the seat (5) that are used for hands or forearm, it is characterized in that, it is provided with a control device, is used for making trailing wheel (2) shifted laterally mutually in the use that wheel bearing support (1) is arranged.

2. the bearing support that wheel is arranged as claimed in claim 1 is characterized in that, framework is provided with a horizontal horizontal bar or bar (8), and trailing wheel (2) is installed on the wheel fork (10), and this wheel fork (10) links to each other with horizontal bar or bar (8) through sliding bearing (9).

3. the bearing support that wheel is arranged as claimed in claim 2 is characterized in that, the sliding bearing (9) of two wheel forks (10) links to each other with the axle collar (15) through connecting rod (13), and this axle collar (15) can move along screw rod (14).

4. as the bearing support that wheel is arranged of claim 1 or 2, it is characterized in that horizontal cross bar (8) is provided with slotted eye (17,18), slotted eye (17,18) is provided with sleeve pipe (19,20), it is installed in first end of bar (21,22), links to each other with the wheel fork (10) of trailing wheel (2), described bar (21,22) the other end is pivotally connected to rotatable disc (24), and this disk (24) is between two slotted eyes, and this disk is provided with operating grip (23).

5. the bearing support that wheel is arranged as claimed in claim 1 is characterized in that framework is provided with the screw rod of a level, and trailing wheel (2) is installed on the wheel fork (10), and by means of the cylinder-shaped link of female thread, this wheel fork (10) is installed on the screw rod.

6. the bearing support that wheel is arranged as claimed in claim 1 is characterized in that, framework is provided with the cross bar that tooth is arranged of a level, and trailing wheel (2) is installed on the wheel fork (10), and by means of toothed a wheel, this wheel fork (10) is connected movably with the tooth of cross bar.

7. as the bearing support that wheel is arranged of each claim of front, it is characterized in that framework is provided with the wheel fork (11,12) of elbow.