CN101822596B

CN101822596B - Full-plastic wheelchair

Info

Publication number: CN101822596B
Application number: CN201010154305XA
Authority: CN
Inventors: 徐宗祥
Original assignee: 徐宗祥
Current assignee: The Nuo Kangde of Ningbo City article of everyday use company limited
Priority date: 2010-04-21
Filing date: 2010-04-21
Publication date: 2012-03-14
Anticipated expiration: 2030-04-21
Also published as: CN101822596A

Abstract

The invention provides a full-plastic wheelchair. A semi-frame is formed by connecting an upper cross bar and a lower cross bar which are molded in half, a left straight lever and a right straight lever with pipe joints A, B, C and D by a concave dovetail groove, a convex dovetail groove thereon and a plastic nut; a hand wheel is connected with a travel wheel through a connecting rod on the hand wheel and a corresponding connecting column with through holes on the travel wheel, and the hand wheel and the travel wheel are connected with the connecting rod throguh an expansion bolt; a brake component is formed by engaging a gear A with a handle and a gear B with a rotary handle and then arranging the gear A and the gear B on a fixed plate; a folding component is formed by connecting a support bar A and a support B which are provided with two joints; the joints are formed by a joint piece A with a flange and a joint piece B with a caulking groove in half; and the support bar A and the support bar B which are molded in half are respectively integrated with the two joints through the plastic nut. In the invention, all the parts are full-plastic parts without a metal fastener; the wheelchair is particularly suitable for being taken as an accessory for medical inspection, thus greatly reducing the labor intensity of medical personnel, and saving time and labor; and in addition, the sections of the bars are oval, thus the wheelchair has great bearable force, less parts, light weight and easy assembly and disassembly.

Description

Full-plastic wheelchair

Technical field

The present invention relates to a kind of wheelchair, particularly a kind of people with disability of confession and patient carry out medical examination in hospital, like the full-plastic wheelchair of x-ray fluoroscopy or film making and daily life use.

Background technology

Though existing commercially available wheelchair is of a great variety,, patient is done various medical examinations or treatment because of the doctor of hospital also need use various armarium or medical apparatus and instruments can satisfy the people with disability of different defectives and the requirement of patient's use; As make x-ray fluoroscopy or the inspection of making film; If patient can not stand, also need someone support and hold up, support the people who holds up like this and also shone by X-ray; Cause unnecessary damage; But the securing member and the metalwork that all have metal to make on the existing wheelchair, patient also can't be sitting in the physical therapy treatment of making x-ray fluoroscopy or film making and other types on the wheelchair, for this work to the medical worker brings inconvenience.

The patent No. 96241945.1 " wheelchair ", the patent No. 200920190048.8 " alloy plastic wheelchair " though all use plastic production, in light weight, also have metal fastenings or metalwork above them, also can't satisfy the specific (special) requirements of medical examination.

Summary of the invention

Technical problem to be solved by this invention is: a kind of full-plastic wheelchair is provided; Can directly be used for patient uses in medical examination, the diagnosis of hospital; Also can be used as simultaneously the wheelchair of common people with disability, patient's use; Both enlarge the scope of application of wheelchair, alleviated medical workers and time again.

The present invention addresses the above problem the technical scheme that is adopted: full-plastic wheelchair; Comprise the back of the body bar, handrail, wheel, the pedal stroke of band pedal, steamboat, brake member, folded piece, the seat cushion that are installed on the two halves vehicle frame; The upper and lower cross bar that said half vehicle frame is made up of the injection mo(u)lding two halves; Pipe joint first, the second, third that left and right straight-bar and injection mo(u)lding two halves are formed, fourth are respectively with the concave, convex dovetail groove on it with mould the integral body that nut connects into; Said 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 connects into integral body with the plug that rises with connecting rod, and said brake member is by gear first, the gear second engagement that has handle, handler; Be installed on the fixing head and form; The integral body that said folded piece is connected into by support bar first, the second with two joints, said joint is made up of tab first, the second that two halves also have flange, caulking groove respectively, also is linked to be integral body with two joints respectively with moulding the support bar first and the second of nut with injection mo(u)lding two halves composition.

Compared with prior art, the invention has the advantages that: this wheelchair constitutes the main rod member of vehicle frame and folded piece, and all utilizing on the two halves inwall has reinforcement; Periphery has the synthetic integral body of injection moulding rod member embedding of concave, convex dovetail groove, and the major part pipe joint, joint that connect each injection moulding rod member also all utilize screw thread is arranged, two semicanal contact pin, the synthetic integral body of tab embedding of jack, recessed or protruding dovetail groove, and then connect into integral body with moulding pipe joint, the joint of nut with each rod member and its two ends; Also increase latch, lock dog reinforcing, had dual locking effect and be connected firmly, be overall plastic of no metal fastenings because of each part; The adnexa that this wheelchair suits to do in hospital medical examination especially uses, and has alleviated medical workers greatly, saves time, laborsaving; Each bar cross section is oval in addition, and the power that can bear is big, and part is few; In light weight, this wheelchair need not made following process, environmentally safe; And install in easy to assemble, easy batch process strange land; Significantly reduce product stacking, transportation volume, saved freight charges, also can satisfy overweight personnel's instructions for use simultaneously.

Description of drawings

Fig. 1, structural representation of the present invention (axonometric chart).

Fig. 2, structural representation of the present invention (axonometric chart).

The two halves structural representation of Fig. 3, pipe joint third.

The structural representation of Fig. 4, half vehicle frame (axonometric chart).

The STRUCTURE DECOMPOSITION figure of Fig. 5, pipe joint second and left straight-bar.

Fig. 6, pipe joint first and armrest sketch map.

The STRUCTURE DECOMPOSITION figure of Fig. 7, folded piece.

The pedal stroke structural representation of Fig. 8, band pedal.

The STRUCTURE DECOMPOSITION figure of Fig. 9, handrail.

The specific embodiment

Below in conjunction with accompanying drawing embodiments of the invention are further described.

Upper and lower cross bar 7-8,7-4; Left and right straight-bar 7-2,7-6; Support bar first, second 10-1,10-2, handrail 2, back of the body bar 1 are injection molded into by the two halves body of rod that reinforcement is arranged on the inwall or do not have a reinforcement, and whole with chimeric one-tenths of the concave, convex dovetail groove on it, and each body of rod all; Each body of rod cross section is oval, and the power that can bear is big.Mould nut 19 and other not the nut of label be overall plastic.

Upper and lower cross bar; Left and right straight-bar, the outer surface two ends of support bar first, second have respectively with pipe joint first, second, third, fourth, inner nosepiece wall on ring groove cooperate, make it can not produce mobile convex shoulder; For example; Constituting on the two halves bar 7-21,7-22 outer surface of left straight-bar 7-2 has convex shoulder 7-23, and reinforcement 7-24 is arranged on the inwall, and there are concave, convex dovetail groove 7-25,7-26 (other body of rod two halves figure does not draw) in the place, composition surface.

Pipe joint first, second, third, fourth 7-1,7-3,7-5,7-7 are made up of symmetry or asymmetric screwed two semicanal contact pin respectively again; For example pipe joint second 7-3 is by being made up of the pipe contact pin first 7-31 of recessed dovetail groove 7-311,7-321, pipe contact pin second 7-32 on it, and is as shown in Figure 5.

Pipe joint third 7-5 is made up of screwed two semicanal contact pin 7-53, pipe contact pin 7-52, and is as shown in Figure 3.

To constitute upper and lower cross bar earlier; The two halves of left and right straight-bar utilize the concave, convex dovetail groove on it to be assembled into whole upper and lower cross bar; Left and right straight-bar is used for assembling with half of pipe joint first, second, third, fourth again, and its end that transverse pipe screw thread arranged is connected into integral body with an end of the upper and lower cross bar that has assembled respectively; There is an end of vertical gas thread to be connected with an end of left and right straight-bar respectively; Also, be with two on the left and right straight-bar respectively and mould nut 19 at upper and lower cross bar, then with pipe joint first, second, third, fourth in addition half be combined in pipe joint first, the second, third that assembled, fourth second half with each body of rod on.

It is firm for each pipe joint is connected; Install the latch 14 of an end opening in the two halves cross through hole on pipe joint first 7-1 additional; Also the long locking piece 12 of the recessed dovetail groove 7-311 on pipe joint second 7-3, the protruding dovetail groove of 7-321 place connecting band ', the recessed dovetail groove 7-74 place on the two pipe ring arm 7-72 of pipe joint fourth 7-7, the short lock dog 12 of the protruding dovetail groove of connecting band; Long and short lock dog 12,12 ' structure are identical, and the two halves of pipe joint third 7-5 reinforce the connection with moulding nut.

Reuse mould nut 19 respectively with each pipe joint first, second, third, fourth on be threaded; And with each pipe joint first, second, third, fourth and corresponding upper and lower cross bar; Left and right straight-bar is fixed into integral body, just is assembled into half vehicle frame 7 without metal fastenings, and is as shown in Figure 4.

With the above, more symmetric second half vehicle frame 7 is assembled into.

Wheel is made up of plastics handwheel 6, road wheel 5, among the corresponding Connection Block 5-1, also is fixed into integral body with plug 17 tensioners that rise, like Fig. 1, shown in Figure 2 on the plastics junction button 6-1 insertion road wheel on the handwheel.

Pedal stroke 8 lower ends are socketed with pedal 9; Between two pipe ring arm 7-72 on the top ring arm 8-1 insertion tube joint fourth 7-7, two short lock dogs 12 insert the recessed dovetail groove 7-74 internal fixation on the two pipe ring arm 7-72 outer surfaces respectively, and reuse one end has the described latch 14 of opening to insert in the middle of two pipe ring arm 7-72, the ring arm 8-1; Three ring arms are connected into integral body; The arm 8-2 of band openings in the middle of the foot-driven lever 8 clasp and are fixed on two on the right straight-bar and mould 19 on nut, like Fig. 1, shown in Figure 8.

Handrail 2 is closed up and is formed by two halves handrail sheet 2-2, the 2-3 of no reinforcement on the symmetrical inwall; Half of locking bar 2-4 is respectively arranged on the two edges, lower end; Protruding connection strap 2-1 is arranged in the middle of the upper surface; Decorate corresponding chute on its inwall of handrail 16 usefulness, insert connection strap 2-1 and be fixed on the handrail, as shown in Figure 9.

In two straight cutting hole first 7-11 on two ends difference insertion tube joint first, the fourth of handrail 2, straight cutting hole fourth 7-71; Insert respectively in the straight cutting hole 7-12 on the pipe joint first of two and half vehicle frames 7 at the two ends that back of the body bar 1 is had a locking bar; And the locking bar on it is stretched out from transverse holes, the locking bar 2-4 on its locking bar and the handrail is identical, does not extract from each straight cutting hole for making handrail 2, back of the body bar 1; Also the locking bar 2-4 place on handrail, back of the body bar connects the locking closure 13 that has opening and blind hole; Blind hole cooperates with locking bar, and the straight cutting Kong Jia on opening and pipe joint first, the fourth, the boss on the fourth side surface are connected whole, as long as locking closure 13 is rotated 90 ° of lateral opening lockings jails with the straight cutting hole; Handrail 2, back of the body bar 1 just can not pull out, and be as shown in Figure 6.

For make hold comfortable the back of the body bar 1 the termination on also be with taper knob 1-1, like Fig. 1, shown in Figure 2.

Lower end at left straight-bar 7-2 also connects rear treadle 20, and is as shown in Figure 5

The screw rod of steamboat 11 usefulness upper ends passes straight cutting hole third 7-51 on pipe joint third 7-5, with nut steamboat 11 is fixed on pipe joint third 7-5.

Earlier on two ends by two halves body of rod 10-13,10-14,10-23, the synthetic support bar of 10-24 first, second 10-1,10-2, put two respectively and mould nut 19; Utilizing the locational spindle nose 10-12 in its center, spacing muscle first 10-11, axis hole 10-21, spacing muscle second 10-22 to be hinged to again can be around the one of spindle nose 10-12 rotation; And then with the tab first 21-1 that has flange 21-11, hook groove 21-21, screw thread respectively, tab second 21-2; Utilize flange 21-11 on it to close embedding and become joint 21 with hook groove 21-21; And with moulding nut 19 each joint 21 is fixed into integral body with support bar first, the second that is connected, constitutes a secondary folded piece 10, as shown in Figure 7.

On the fixture block 7-81 and upper and lower boss 7-811 that fixing head 3-3 and the slide block of brake member 3 usefulness on it is fixed on two halves vehicle frame 7 cross tubes, like Fig. 1, shown in 4.

With the folded piece that has assembled 10; Utilize the joint 21 on support bar first, second 10-1, the 10-2 two ends, two halves tab first 21-1, the tab second 21-2 that will constitute joint 21 earlier embrace in the caulking groove 7-41 that is clipped on two halves vehicle frame 7 sheer poles, and reuse two is moulded being threaded on nut 19 and the joint 21; Folded piece 10 is installed on the two halves vehicle frame 7; Be convenient to fold for safety, insurance, also, two secondary folded pieces 10 be installed on this vehicle frame being socketed with the gimbal lever 18 on two fixed bars 4 and passing the positioning sleeve 7-14 on the pipe joint first 7-1; Promptly the joint of two secondary support bar first, second lower ends is connected in the two caulking groove 7-41 on the sheer pole, and is as shown in Figure 2.

The two ends of two fixed bars 4 are placed in respectively in arc fluting 7-13 on pipe joint first 7-1, the pipe joint fourth 7-7, the 7-73; Make on its both sides of seat cushion 15 usefulness and the lower surface that fixing wrapped hook on fixed bar 4 is climbed 15-2 and button is climbed 15-1; Make button climb the 15-1 clasp joint and climb on the 15-2 at hook, seat cushion just is fixed on two fixed bars 4 not loosening.

To connect into whole handwheel, road wheel at last is installed on the jack-post 7-33 on the pipe joint second.

As if braking, only need to rotate the handle 3-1 of the band driving tooth on the brake member 3, brake through the handler 3-2 rotation and the road wheel 5 of conflicting on the gear drive drive driven tooth, as shown in Figure 1.

If want fully collapsible invalid's chair; At this moment as long as the both sides of picking up seat cushion 15 with hands make the fixed bar 4 on it leave groove 7-13,7-73 on pipe joint first, the fourth, make two fixed bars to the third side to moving; Two secondary support bar first, the second intermediary binding site in edge are respectively rotated and are moved up; By the joint 21 that two halves tab first, the second of two support bar lower ends constitutes, the sheer pole 7-4 that drives both sides half vehicle frame 7 moves to the centre, makes the two halves vehicle frame 7 on both sides draw close, draw in.

Claims

1. full-plastic wheelchair; Comprise back of the body bar (1), handrail (2), wheel, the seat cushion (15) that is installed on the two halves vehicle frame, pedal stroke (8), steamboat (11), brake member (3), the folded piece (10) of being with pedal (9); It is characterized in that the upper and lower cross bar (7-8,7-4) that said half vehicle frame (7) is made up of the injection mo(u)lding two halves; Pipe joint first, the second, third that left and right straight-bar (7-2,7-6) and injection mo(u)lding two halves are formed, fourth (7-1,7-3,7-5,7-7) respectively with the concave, convex dovetail groove on it with mould the integral body that nut (19) connects into; Said wheel is connected and composed by handwheel (6) and road wheel (5) joint pin (5-1) with corresponding band through hole on the connecting rod on the handwheel (6-1) and the road wheel; And connect into integral body with rise plug (17) and connecting rod (6-1); Said brake member (3) is by gear first, the gear second engagement that has handle (3-1), handler (3-2); Be installed in fixing head (3-3) and go up composition; Said folded piece (10) is served as reasons and is connected into an integral body with support bar first, the second of two joints (21) (10-1,10-2), and said joint (21) is made up of tab first, the second (21-1,21-2) that two halves have flange (21-11), caulking groove (21-21) respectively, also is linked to be integral body with two joints (21) respectively with moulding support bar first, the second (10-1,10-2) of nut (19) with injection mo(u)lding two halves composition.

2. full-plastic wheelchair according to claim 1; It is characterized in that described upper and lower cross bar (7-8,7-4); Left and right straight-bar (7-2,7-6); On the outer surface of support bar first, second (10-1,10-2) convex shoulder is arranged, reinforcement is arranged on the inwall, the ring groove on each pipe joint first, second, third, fourth (7-1,7-3,7-5,7-7), joint (21) inwall cooperates with convex shoulder.

3. full-plastic wheelchair according to claim 1; It is characterized in that said pipe joint first, second, third, fourth (7-1,7-3,7-5,7-7) respectively by the symmetry or asymmetric screwed two semicanal contact pin form; Be connected with the latch (14) of an end opening in the two halves cross through hole on the pipe joint first (7-1); Recessed dovetail groove on the two halves of pipe joint second (7-3) (7-311,7-321) is located the long locking piece (12 ') of the protruding dovetail groove of connecting band; Pipe joint third (7-5) is fixed into moulding nut (19) by screwed two semicanal contact pin first (7-53), pipe contact pin second (7-52); The recessed dovetail groove (7-74) that the last two pipe ring arms (7-72) of pipe joint fourth (7-7) are located, two short lock dogs (12) of the protruding dovetail groove of connecting band.

4. full-plastic wheelchair according to claim 1 is characterized in that making fixing wrapped hook on fixed bar (4) at the both sides of said seat cushion (15) and lower surface climbs (15-2) with button is climbed (15-1), and detains and climb (15-1) and climb (15-2) with hook and be connected.

5. full-plastic wheelchair according to claim 4 is characterized in that being socketed with on the said fixed bar (4) gimbal lever (18), and the positioning sleeve (7-14) on the pipe joint first (7-1) passes in the gimbal lever (18).

6. full-plastic wheelchair according to claim 1, it is characterized in that having on the sheer pole (7-4) of said two halves vehicle frame (7) two caulking grooves (741) respectively with two secondary folded pieces (10), the following end connector (21) of support bar first, second (10-1,10-2) connects.