CN201752467U

CN201752467U - Plastic wheelchair

Info

Publication number: CN201752467U
Application number: CN2010201689381U
Authority: CN
Inventors: 徐宗祥
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-04-21
Filing date: 2010-04-21
Publication date: 2011-03-02
Anticipated expiration: 2020-04-21

Abstract

The utility model provides a plastic wheelchair which comprises handrails arranged on two frames, a backrest rod, wheels, pedal rods with pedals, small wheels, a braking piece and a folding piece, wherein each frame is formed through the connection of an upper cross rod, a lower cross rod, a left straight rod and a right straight rod with pipe joints A, B, C, and D formed by two halves through fastening pieces; hand wheels and walking wheels are connected by connecting rods on the hand wheels and corresponding connecting posts with through holes on the walking wheels; an expansion plug is connected with the connecting rods by the through holes; the braking piece is meshed with a gear B by a gear A with a handle and a rotary handle, and is arranged on a fixed plate with a sliding plate; the folding piece is a whole formed through the connection of supporting rods A and B with two joints, and each joint is formed by two halves of joint sheets with flanges and caulking grooves; and the supporting rods A or B is connected with the two joints into a whole by two nuts. The plastic wheelchair does not need subsequent processing, causes no environmental pollution, adopts more reasonable structure, is more attractive in appearance, is easy to assemble and disassemble, is suitable for mass production, can be installed in other places, greatly reduces the transporting and stacking volume, and save the transportation cost.

Description

Plastic wheelchair

Technical field

This utility model relates to a kind of wheelchair, particularly a kind of plastic wheelchair for people with disability and patient's use.

Background technology

Existing wheelchair is many to be made by metal material, need welding, and the following process amount is big, also need carry out plating surface treatment etc., therefore environment is polluted, and the patent of relevant plastic wheelchair is also arisen at the historic moment for this reason.

" wheelchair " of the patent No. 96241945.1 is though also provide a kind of wheelchair that is made of plastics, and it has only done improvement on vehicle frame and fold mechanism.

The patent No. 200920190048.8 " alloy plastic wheelchair " is though simple in structure, and need could be processed with main equipment, so cost of manufacture is higher.

Summary of the invention

Technical problem to be solved in the utility model is: a kind of plastic wheelchair is provided, and in light weight, appearance is clearly attractive in appearance, cost of manufacture is low, and is safe in utilization, is available for users to select use for market provides, and practical wheelchair.

The technical scheme in the invention for solving the above technical problem is: plastic wheelchair, comprise the handrail that is installed on two vehicle frames, back support bar, wheel, the pedal stroke of band pedal, steamboat, brake member, folded piece, seat cushion, described vehicle frame is by last, sheer pole, a left side, the pipe joint first that right straight-bar and two halves are formed, second, third, the integral body that fourth connects into securing member, described wheel is connected by handwheel and the road wheel joint pin with corresponding band through hole on the connecting rod on the handwheel and the road wheel, and connect into integral body with rise plug via through holes and connecting rod, described brake member is by having handle, the gear first of handler, the engagement of gear second, be installed on the fixing head that has slide plate, described folded piece is by the support bar first with two joints, the integral body that second connects into, described joint is by two halves and have flange respectively, the tab first of caulking groove, second constitutes, and also with two nuts support bar first or second and two joints is linked to be integral body.

Compared with prior art, advantage of the present utility model is: this wheelchair is made by the plastic bar that has metal liner, and is in light weight, price is low, does not need following process, environmentally safe.And brake member, wheel, folded piece have been done improvement, all metal solder joints have been removed, fastener-free connects, make its more reasonable structure, profile is more attractive in appearance, balance element and seat belt also is installed on the folded piece is convenient to folding and use, has also increased the locking closure anti-release member at walker, place, back support bar two ends in addition, make its connection more firm, use safer.These wheelchair demolition, installation are easy, and suitable batch production and can arrive the strange land and install has significantly reduced transportation and stacked volume, has saved freight charges, and this chair is firm solid, and the patient or the people with disability that also can satisfy overweight use.

Description of drawings

Fig. 1, structural representation of the present utility model.

The structural representation of Fig. 2, half of vehicle frame.

The exploded view of Fig. 3, Fig. 2.

Fig. 4, brake mounting structure sketch map (taking away cover plate).

The amplification view that is connected between Fig. 5, handwheel and road wheel.

The STRUCTURE DECOMPOSITION sketch map of Fig. 6, folded piece.

The structural representation that Fig. 7, handrail are connected with locking closure, pipe joint first.

The specific embodiment

Below in conjunction with accompanying drawing embodiment of the present utility model is further described.

Upper and lower cross bar 10-8,10-4, left and right straight-bar 10-2,10-6, support bar first, second 9-1,9-2, handrail 2, back support bar 1 are the metal liner 17 outer difform bodies of rod that once are injection molded into.

The fixture block 10-81 that cooperates with brake member in addition on the cross tube, there is flange 10-811 on the upper and lower surface of fixture block, in addition the positioning sleeve 10-82 that cooperates with the gimbal lever 12.

The caulking groove 10-41 that is connected with support bar first or second one end is arranged on the sheer pole, the lower end of left side straight-bar also is injected with foot-operated 10-21, the convex shoulder that cooperates with pipe joint first, second, third, fourth in addition on the surface of left and right straight-bar, pipe joint first 10-1, pipe joint second 10-3, pipe joint third 10-5, pipe joint fourth 10-7 are made up of symmetry or asymmetric two halves respectively.

Earlier with the pipe joint first, second, third, one side of something of fourth is used for assembling, and will an end of horizontal blind hole be arranged on it respectively with last, sheer pole 10-8, the end of 10-4 connects, on on the pedal stroke 8, under keep off 8-1,8-2 respectively with the pipe joint fourth, horizontal jack fourth 10-71 on the pipe joint third is connected with horizontal jack third 10-51, a left side, right straight-bar 10-2,10-6 respectively with half of pipe joint first, second, third, straight blind hole on the fourth, through hole connects, the pipe joint first of closing respectively again, second, third, second half of fourth, use sunk screw, nut connects into half whole vehicle frame 10, as Fig. 2, shown in Figure 3.

Same as above, more symmetric second half vehicle frame 10 is assembled into.

The two ends difference insertion tube joint first that will have the handrail 2 of locking bar 2-1, straight cutting hole first 10-12 on the fourth, among the fourth 10-72 of straight cutting hole, insert respectively in the straight cutting hole 10-11 on the pipe joint first of two half of vehicle frames at the two ends of back support bar 1, for making handrail 2, back support bar 1 is not extracted from each straight cutting hole, also at handrail, the locking bar 2-1 place connecting band opening of back support bar and the locking closure 13 of blind hole, opening in the locking closure, blind hole respectively with handrail on locking bar second cooperate to fixedly connected with boss 10-121 on the first 10-12 side, straight cutting hole and be integral, just can lock firm handrail and back support bar as long as rotate locking closure 90 degree, as shown in Figure 7.

Handwheel 6 inner peripheral have 8 uniform connecting rod 6-1, the connecting rod end has two of band blind hole, opening to distinguish shape, there are the joint pin 5-1 of 8 uniform band through holes at relative connecting rod place on the wheel hub of road wheel 5 inner rings, each connecting rod 6-1 inserts in the through hole of joint pin 5-1, reuse one end band is retroserrate, and the plug 16 that rises inserts to make in the blind hole of through holes and connecting rod and distinguishes the shape spreading on it, be close to blind pore wall, make handwheel 6 firm fixation integrant wheel on road wheel 5, as Fig. 1, shown in Figure 5.

Screw rod on installation pedal 15, steamboat 7 on the pedal stroke 8 passes straight cutting hole third 10-52 on the pipe joint third, is spun on the screw rod with nut and fixes, as shown in Figure 1.

Support bar first, second utilizes the locational spindle nose 9-12 in its center, spacing muscle first 9-11 and axis hole 9-22, spacing muscle second 9-21 to be hinged to integral body respectively.

Two halves tab first, second 9-4,9-7 with two support bar first 9-1 on the folded piece 9 that has assembled, support bar second 9-2 two ends, clasp respectively on two sheer pole 10-4 and two fixed bars 4, utilize flange 9-6 and groove hook 9-5 on two halves tab first, the second to be buckled into integral body, for fixing at the firm screw thread place that also is spun on two halves tab first, second 9-4, the 9-7 with nut 9-3, the two ends of support bar are linked into an integrated entity with the joint that is made of the two halves tab respectively, as shown in Figure 6.

On the fixture block 10-81 that climbing on the brake member 3 usefulness fixing head 3-2 and slide block 3-7 are clamped to cross tube, and projection 10-811 cooperates with climbing, utilize dovetail groove, chute, projection, groove on it to be buckled into integral body mutually, for not making dust enter inside, also add cover plate and be fastened on the fixing head 3-2, (cover plate is not drawn) as shown in Figure 4.

For ease of folding and safe in utilization, on the front and back position of two sheer poles, also be fixed with an end of two seat belt 11 respectively, also be socketed with the gimbal lever 12 on the fixed bar 4, and pass the positioning sleeve 10-82. on the cross tube

The two ends of two fixed bars 4 are seated in respectively in arc groove 10-13, the 10-73 on pipe joint first, the fourth, place seat cushion 14 on two fixed bars 4, at last two handwheels 6, road wheel 5 are fixed on the wheel shaft 10-31 on pipe joint second two surfaces of two halves vehicle frame 10, just can use.

If will brake, only with hand rotates brake lever 3-1, drive is installed in the gear first 3-3 on the fixed leg of fixing head 3-2 and the gear second 3-5 that is meshed rotates, make the handler 3-6 on the gear second 3-5 support subsides road wheel 5, utilize the frictional force of handler 3-6 to make Brake of wheel-chair, for gear first, second is not come off from the fixed leg of fixing head, also in the intermediary through hole of gear first, second, tightly be plugged with stifle 3-4, and put in the interior tensioner of through hole on the fixed leg that connects gear first, second.

If want fully collapsible invalid's chair, at this moment need only the both sides of picking up seat cushion 14 with hands, make fixed bar 4 on it leave groove 10-13,10-73 on pipe joint first, the fourth, make two fixed bars 4 to the third side to moving, two support bar 9-1,9-2 rotate along intermediary binding site, and move up, the sheer pole 10-4 that the joint that is made of the two halves tab of the lower end of two support bars drives both sides moves to the centre, makes the two halves vehicle frame 10 on both sides draw close, draw in.

Claims

1. plastic wheelchair, comprise the handrail (2) that is installed on two vehicle frames (10), back support bar (1), wheel, the pedal stroke (8) of band pedal (15), steamboat (7), brake member (3), folded piece (9), seat cushion (14), it is characterized in that described vehicle frame (10) is by last, sheer pole (10-8,10-4), a left side, right straight-bar (10-2,10-6) the pipe joint first of forming with two halves, second, third, the integral body that fourth connects into securing member, described wheel is connected by handwheel (6) and road wheel (3) joint pin (5-1) with corresponding band through hole on the connecting rod (6-1) on the handwheel (6) and the road wheel, and connect into integral body with rise plug (16) via through holes and connecting rod (6-1), described brake member (3) is by having handle (3-1), the gear first (3-3) of handler (3-6), gear second (3-5) engagement, be installed on the fixing head (3-2) that has slide plate (3-7), described folded piece (9) is by the support bar first with two joints, second (9-1, the integral body that 9-2) connects into, described joint is by two halves and have flange (9-6) respectively, the tab first of caulking groove (9-5), second (9-7,9-4) constitute, also use two nuts (9-3) that support bar first (9-1) or support bar second (9-2) are linked to be integral body with two joints.

2. plastic wheelchair according to claim 1, it is characterized in that described upper and lower cross bar (10-8,10-4), left and right straight-bar (10-2,10-6), support bar first, second (9-1,9-2), handrail (2), back support bar (1) are the outer difform body of rod that once is injection molded into of metal liner (17).

3. plastic wheelchair according to claim 1, it is characterized in that fixture block (10-81) is arranged on the described cross tube (10-8), there is flange (10-811) on the upper and lower surface of fixture block (10-81), also connect positioning sleeve (10-82) on the cross tube, caulking groove (10-41) is arranged on the described sheer pole (10-4), a fixing end of seat belt (11) respectively also, left straight-bar (10-2) lower end is injected with foot-operated (10-21).

4. plastic wheelchair according to claim 1, it is characterized in that arc groove (10-13) and straight cutting hole first (10-12) are arranged on the described pipe joint first (10-1), straight cutting hole (10-11), the upper surface of pipe joint fourth (10-7) has arc groove (10-73) and straight cutting hole fourth (10-72), horizontal jack fourth (10-71), there is wheel shaft (10-31) on two surfaces of described pipe joint second (10-3), and straight cutting hole (10-52) and horizontal jack third (10-51) are arranged on the described pipe joint third (10-5).

5. according to claim 1 or 4 described plastic wheelchairs, it is characterized in that being placed with in arc groove (10-13) on the described pipe joint first and the arc groove (10-73) on the pipe joint fourth two ends of fixed bar (4), described fixed bar (4) is gone up an also end of stable equilibrium bar (12).

6. plastic wheelchair according to claim 1 is characterized in that also connecting stifle (3-4) in the gear first (3-3), gear second (3-5) intermediate throughholes on the described brake member (3).