CN201085761Y

CN201085761Y - Walking-aid vehicle

Info

Publication number: CN201085761Y
Application number: CNU2007201775065U
Authority: CN
Inventors: 林庆旭
Original assignee: Lin Kou Medical Industrial Co ltd
Current assignee: Lin Kou Medical Industrial Co ltd
Priority date: 2007-09-28
Filing date: 2007-09-28
Publication date: 2008-07-16
Anticipated expiration: 2017-09-28

Abstract

A walking-aid vehicle comprises a frame, a supporting pad unit arranged on the frame, a handle unit arranged at the front end of the frame through a shaft, a pair of steering units arranged on the frame, a pair of front wheels arranged on the steering units, a connecting rod unit connected between the handle unit and the steering units, at least one rear wheel arranged at the rear end of the frame through a shaft, and at least one brake unit for braking the rear wheel. The arrangement of the front wheels and the rear wheels is utilized to assist the mobility of the handicapped, and when the handle unit is operated, the connecting rod unit is utilized to drive the steering unit and the front wheels to smoothly steer, and the brake unit is operated to achieve the purpose of braking.

Description

Travelling aided bicycle

Technical field

This utility model relates to a kind of action accessory, particularly relates to a kind of travelling aided bicycle that handicapped person uses that is suitable for.

Background technology

Walking aid mainly provides handicapped person and has safe support and enough stability, and the age is the people of length, devitalization power and equilibrium sense, can rebuild energy, the equilibrium sense of muscle and expand actionable space by walking aid, promotes the quality of life.

And walking aid is according to function of use and structure, generally is divided into walking stick formula, crutch formula, belt wheel formula travelling aided bicycle (frame), belt wheel formula walking frame not ... wait most the kind, and belt wheel formula travelling aided bicycle (frame) provides the handicapped person of lower limb to have preferable action edge.And as shown in Figure 1, existing a kind of belt wheel formula travelling aided bicycle comprises a vehicle frame 1, handle 2, the one countershaft front-wheel 3 of this vehicle frame 1 front bottom end, an a pair of trailing wheel 4 and the pad 5 that is installed on this vehicle frame 1 that is located in this bottom, vehicle frame 1 rear end of being located at that is installed in this vehicle frame 1 leading section.Lower limb that will need to support when user are resisted against on this pad 5, and the lower limb that another is sound land, and utilize both hands to help on this handle 2, utilize the setting of front and rear wheel 3,4 and reach the purpose of auxiliary action.

Though, this travelling aided bicycle makes handicapped person reach the purpose easily of taking action, but because the direction that these handle 2 uncontrollable institute desires move, and front-wheel 3 is a universal wheel, when user is desired to turn to, must directly force in vehicle frame 1, and the direction that whole travelling aided bicycle guiding desire changeed, so comparatively effort and inconvenience in operation.Moreover this travelling aided bicycle does not have manual brake design yet, when desire is slowed down, needs fully to produce friction by user another foot and ground, and this is more unsafe design concerning the user of lower limb inconvenience far and away.

The utility model content

The purpose of this utility model is at the travelling aided bicycle that a kind of accurate control moving direction, brake in real time and rapid operation, safety are provided.

Travelling aided bicycle of the present utility model comprises a vehicle frame, one and is installed in handle unit that supporting pad unit on this vehicle frame, axle be located at vehicle frame, a pair of steering unit that is arranged on this vehicle frame, a pair ofly is installed on that front-wheel on the described steering unit, one are attached at linkage unit between this handle unit and steering unit, trailing wheel that at least one is located at this vehicle frame and at least one produces the brake units of brake to this trailing wheel.This vehicle frame has the rearward end of a leading section and an opposite setting with this leading section.This supporting pad unit is between between this forward and backward end.This handle unit has an axle and is located at the bottom of this leading section and the grip part of an opposite setting with this bottom.Described steering unit respectively has positioning pipe, a fulcrum that is fixed in this vehicle frame leading section and is located at the rotating shaft in this positioning pipe, steering base and the affect plate that is fixed in this steering base affixed with this rotating shaft, and described steering base respectively has a perforation that radially connects.Described front-wheel respectively has a wheel shaft in the perforation that is fixed in steering base.This linkage unit has a connecting piece that is fixed in this handle unit bottom and two and articulates and be subjected to the connecting rod of this connecting piece interlock with the plate that affects of steering unit respectively.This trailing wheel is the rearward end that axle is located at this vehicle frame.This brake units has one and is articulated in the brake handle of this grip part, a braking vane that is articulated in this vehicle frame and a brake cable that involves between this braking vane and this brake handle, and this braking vane has a stopper portion that is subjected to this brake cable stopper and one to brake portion that should trailing wheel.

The beneficial effects of the utility model are: utilize this linkage unit and steering unit to be attached between this handle unit and front-wheel, utilize this handle unit of operation and reach the purpose that control easily turns to, and utilize this brake units to brake in real time, and reach purpose safe in utilization.

Description of drawings

Fig. 1 is the stereo appearance figure of existing a kind of travelling aided bicycle;

Fig. 2 is the stereo appearance figure of this utility model preferred embodiment;

Fig. 3 is the front view of the above-mentioned preferred embodiment of this utility model;

Fig. 4 is the upward view of the above-mentioned preferred embodiment of this utility model, illustrates that a linkage unit is subjected to a handle unit interlock;

Fig. 5 is the cross-sectional schematic of being got along the straight line V-V among Fig. 3;

Fig. 6 is the sectional perspective exploded view of the above-mentioned preferred embodiment of this utility model, illustrates that two steering units and two front-wheels are installed on the vehicle frame;

Fig. 7 is the combination section of the above-mentioned preferred embodiment of this utility model, illustrates that described front-wheel is installed on the described steering unit;

Fig. 8 is the sectional perspective exploded view of the above-mentioned preferred embodiment of this utility model, illustrates that this linkage unit is attached at a bottom of this handle unit;

Fig. 9 is the partial cutaway schematic of the above-mentioned preferred embodiment of this utility model, illustrates that a brake units is with respect to a trailing wheel;

Figure 10 is the brake operation sketch map of the above-mentioned preferred embodiment of this utility model;

Figure 11 is the steering operation sketch map of the above-mentioned preferred embodiment of this utility model;

Figure 12 is the folding operation chart of the above-mentioned preferred embodiment of this utility model.

The specific embodiment

Below in conjunction with drawings and Examples this utility model is elaborated:

Extremely shown in Figure 4 as Fig. 2, the preferred embodiment of this utility model travelling aided bicycle comprises that a vehicle frame 10, one are installed in handle unit 30 that supporting pad unit 20 on this vehicle frame 10, axle be located at vehicle frame 10, a pair of steering unit 40 that is arranged on this vehicle frame 10, a pair of front-wheel 50 on the described steering unit 40, of being installed on is attached at the countershaft trailing wheel 70 that is located at this vehicle frame 10 of the linkage unit 60, of 40 of this handle unit 30 and steering units and two this trailing wheel 70 is produced the brake units 80 of brake.

The frame pipe 13, one that the rearward end 12, two that this vehicle frame 10 has a leading section 11, and these leading section 11 opposite settings extends to this rearward end 12 by this leading section 11 be fixedly arranged on leading section 11 and along the cross bar 14 that is attached at described pipe 13 bottoms, one with being horizontally disposed with to should leading section 11 and be installed in the vehicle head tube 15 of 13 of described pipes and one between this 11,12 of forward and backward end and be installed in the seat pipe 16 of frame pipe 13, this vehicle head tube 15 and this seat pipe 16 are generally all perpendicular to ground, and this pipe 16 also has a jack 161 that radially connects.

This supporting pad unit 20 has one and is arranged in the vertical tube 21 in this pipe 16, a pad 22 and a knob 23 that radially passes this vertical tube 21 and seat pipe 16 that is installed on this vertical tube 21, this vertical tube 21 has most the adjustment holes 211 that are provided with and supply this knob 23 to wear at interval vertically, utilize this knob 23 to be located in the adjustment hole 211 and this jack 161 of diverse location, adjust the height of this pad 22.

This handle unit 30 has an axle and is located at following rod member 31 in this vehicle head tube 15, one and docks the upper lever that is provided with 32, one with this time rod member 31 and be installed in handle member 33 on this upper lever 32, quick detach group 34 of being located at 31,32 of this upper and lower rod members and one to safety locking group 35 that should quick detach group 34.

This time rod member 31 has one and protrudes out in the bottom 311 of this vehicle head tube 15 bottoms and the holder 312 with these bottom 311 opposite settings, and cooperate and to consult Fig. 5, this holder 312 has a pivot hole 313, a lock hole 314 and a perforation 315 of being located at these lock hole 314 sides of being located at these pivot hole 313 sides.

This upper lever 32 has a cross section and is the top ends 322 that inverted U and lid are located at pin joint seat 321 on this holder 312 and and these pin joint seat 321 opposite settings, this pin joint seat 321 have that a pivot part that is hubbed at this pivot hole 313 323, one are located at these pivot part 323 sides and corresponding to the installing hole 324 of this lock hole 314 and two to boring a hole 315 and be the catching groove 325 of inverted U.

This handle member 33 generally is the T type, and has king-rod 331 and two grip parts 332 for gripping that are plugged in this top ends 322.

Cooperate and consult Fig. 5, this quick detach group 34 has a stock 341 that is located in this perforation 315 and the described catching groove 325, one is arranged in this stock 341 wherein an end and an extremity piece 342 in these pin joint seat 321 outsides, an eccentric spiral arm 343 that is hubbed on these stock 341 other ends, two be set on this stock 341 and correspond respectively to the axle sleeve 344 of described catching groove 325 and one be set in 344 on described axle sleeve and provide axle sleeve 344 mutually away from spring 345, operate this off-centre spiral arm 343 make axle sleeve 344 relative convergences or away from, and make this pin joint seat 321 produce packings location or be that center of rotation produces pivot with this pivot part 323 with respect to this holder 312.

Cooperate and to consult Fig. 5, this safety locking group 35 have a locating piece 351, in the installing hole 324 that is installed on this pin joint seat 321 be located in this locating piece 351 and be plugged in latch 352 in this lock hole 314 and one this latch 352 permanent springs 353 that keep towards these lock hole 314 mobile trends are provided.

Cooperate and consult Fig. 6 and Fig. 7, described steering unit 40 respectively has cross bar 14 two ends and general one first positioning pipe 41 and one second positioning pipe 41 ' perpendicular to ground that vertically is fixed in this vehicle frame 10, the axle be located at this first, two positioning pipes 41, one first rotating shaft 42 and one second rotating shaft 42 ' in 41 ', be set in this first, two positioning pipes 41,41 ' with this first, two rotating shafts 42, two bearings 43 between 42 ', 43 ', be fixed in this first, two rotating shafts 42, one first steering base 44 and one second steering base 44 ' of 42 ' bottom, be fixed in this first, two steering bases 44,44 ' one first affects plate 45 and one second to affect plate 45 '.This first and second steering base 44,44 ' is the hollow shelly, and respectively has a perforation 441,441 ' that radially connects, and this first length that affects plate 45 second affects plate 45 ' greater than this.

Described front-wheel 50 has a vertical wheel shaft 51 that is provided with and is fixed in this first and second steering base 44,44 ' perforation 441,441 ' with this first and second rotating shaft 42,42 '.

Cooperate and consult Fig. 8, this linkage unit 60 has a connecting piece 61 on the bottom 311 that is fixed in this handle unit 30, one be articulated in this connecting piece 61 and this first affect the first connecting rod 62 of 45 of plates and one be articulated in this first, two affect plate 45, second connecting rod 63 between 45 ', this connecting piece 61 has one and is retaining collar 611 and drive plate 612 that is installed in this retaining collar 611 that the hollow ring round is installed in this bottom 311, the end of this drive plate 612 and this first connecting rod 62 articulate, and this connecting piece 61 is driven by this handle unit 30, utilize this first connecting rod 62 to affect this first to affect plate 45 and this first steering base 44, this first affects plate 45 to utilize this second steering base of these second connecting rod 62 interlocks 44 ' to produce rotation in the same way again, and makes front-wheel 50 reach to turn to purpose synchronously.The another kind of embodiment of this linkage unit 60, also this second connecting rod 63 can be articulated in this connecting piece 61 and this second and affect between plate 45 ', also can make this first and second connecting

rod

62,63 of these connecting piece 61 interlocks and this first and second affect plate 45,45 ' (figure does not show).

Described trailing wheel 70 is rearward end 12 that axle is located at this vehicle frame 10.

This brake units 80 has two collars and involves brake cable 86 82 of this braking vane 84 and described brake handles the bracing frame 83 of the holder 81 of these 332 inboards, grip part, two brake handles that are articulated in this holder 81 82, two rearward end 12 that are installed in this vehicle frame 10, two braking vanes that are articulated in this bracing frame 83 84, two springs 85 that are arranged at 84 of this bracing frame 83 and this braking vanes and two.Cooperate and consult Fig. 9 and Figure 10, described braking vane 84 respectively has an articulated section that is hubbed at this bracing frame 83 841, the stopper portion 842 and the brake portion 843 corresponding to these trailing wheel 70 wheel faces that are located at these articulated section 841 1 sides and are subjected to described brake cable 86 stoppers, operate this brake handle 82 and spur this stopper portion 842, make the wheel face of these 843 pairs of trailing wheels 70 of brake portion produce brake.

Again as shown in Figure 3, when user is striden handicapped lower limb on the pad 22 that is placed on this supporting pad unit 20, and the lower limb that another is sound are upright to be supportted on ground, then utilize the setting of front and

rear wheel

50,70, carry out smoothly and free movable, and when desiring to stop or slowing down, the brake handle 82 of pulling brake units 80, and the upwards swing of stopper portion 842 of stopper braking vane 84, brake portion 843 brakes to trailing wheel 70 immediately, so use upward quite safe.

Again as shown in figure 11, when travelling aided bicycle is desired to turn to, and when user rotates this handle unit 30, the connecting piece 61 that drives this linkage unit 60 rotates, and utilize that this connecting piece 61 affects this first and second connecting

rod

62,63, first and second affects plate 45,45 ' and this first and second steering base 44,44 ', make front-wheel 50 turn to synchronously, and the progressive direction of control institute's desire, quite laborsaving and convenient in the operation.

Figure 12 and shown in Figure 5 and for example, desire vanning after temporarily not using, during carrying, operate the eccentric cantilever 343 of this quick detach group 34, and make axle sleeve 344 eliminate with respect to the fastening force of this pin joint seat 321, and remove the coupling mechanism force of 34 pairs of these pin joint seats 321 of this quick detach group, spur the latch 352 of this safety locking group 35 again, impel the inner end of this latch 352 in this lock hole 314, to shift out, pulling this pin joint seat 321 again is that the pivot center produces pivot with respect to this holder 312 with this pivot part 323, make this upper lever 32, handle member 33 members such as grade are towards these supporting pad unit 20 closings, to reach the folding purpose.When desiring to re-use, need only be again with these handle unit 30 upwards switchings, and latch 352 inlay cards that utilize this safety locking group 35 are in this lock hole 314, impel this pin joint seat 321 to be positioned on the holder 312, when operating these quick detach group 34 generation packing clippings again, guarantee that these pin joint seat 321 strong fixs are on holder 312.

Therefore, travelling aided bicycle of the present utility model not only utilizes to be controlled handle unit 30 and has preferable steering manipulation performance, and can also grasp this brake units 80 in real time and reach the purpose that stops or slowing down.

Claims

1. A rollator, characterized in that it comprises:

a vehicle frame having a front end and a rear end opposite to the front end;

a support pad unit mounted on the frame and interposed between the front and rear ends;

a handle unit having a bottom end with a shaft arranged at the front end and a holding portion opposite to the bottom end;

A pair of steering units, each having a positioning tube fixed to the front end of the vehicle frame, a rotating shaft whose shaft is arranged in the positioning tube, a steering seat fixed to the rotating shaft, and a steering seat fixed to the steering seat The driving plate, each of the steering seats has a through hole extending in the radial direction;

A pair of front wheels, each with a wheel axle fixed in the through hole of the steering seat;

A connecting rod unit having a connecting piece fixed to the bottom end of the handle unit and two connecting rods respectively pivotally connected to the driving plate of the steering unit and linked by the connecting piece;

at least one rear wheel is axled at the rear end of the frame;

At least one brake unit has a brake handle pivotally connected to the handle, a brake plate pivotally connected to the vehicle frame and a brake wire connected between the brake plate and the brake handle, the brake plate has a The braking portion of the braking line and a braking portion corresponding to the rear wheel.

2. The rollator according to claim 1, wherein the vehicle frame also has a head pipe disposed at the front end, and the handle unit also has a shaft disposed in the head pipe and is provided with The lower bar at the bottom, an upper bar with the handle and a quick release set between the lower and upper bar, the lower bar has a set opposite to the bottom A fixed seat, the fixed seat has a pivot hole and a perforation on the side of the pivot hole, the upper rod has a pivot seat with an inverted U-shaped cross section and a cover on the fixed seat, the pivot seat It has a pivoting part pivotally arranged in the pivot hole and two buckle grooves corresponding to the through hole and in an inverted U shape. The quick release group has a long rod passed through the through hole and the buckle groove, a An end piece screwed on one end of the long rod and an eccentric swing arm pivoted on the other end of the long rod.

3. The rollator according to claim 2, characterized in that: the handle unit also has a safety locking group corresponding to the quick release group, and the fixing seat also has a locking hole arranged on the side of the pivot hole, The pivot base also has a mounting hole located on the side of the pivot portion and corresponding to the locking hole, the safety lock group has a positioning block installed in the mounting hole of the pivot base, and a The latch in the positioning block and inserted in the locking hole and a spring that provides the latch to move toward the locking hole.

4. The rollator according to claim 1, characterized in that: the vehicle frame also has a horizontal bar fixed on the front end and arranged horizontally, and the positioning tube of the steering unit is vertically fixed on the The two ends of the cross bar and the steering seat are in the shape of a hollow shell.

5. The rollator according to claim 1, characterized in that: the brake unit also has a support frame fixed at the rear end of the vehicle frame and a brake part arranged between the support frame and the brake plate The brake plate has a pivotal part interposed between the detent part and the brake part and pivotally arranged on the support frame.

6. The rollator according to claim 1, wherein the vehicle frame also has a seat tube between the front and rear ends, and the support pad unit has a seat tube that passes through the seat tube. The standpipe, a pad body fixed on the standpipe and a knob passing through the standpipe and the seat tube, the standpipe has a plurality of adjustment holes arranged at intervals along the axial direction for the knob to pass through.

7. The rollator as claimed in claim 6, wherein the vehicle frame further has two frame tubes extending from the front end to the rear end, and the vertical tube is fixed between the frame tubes.