CN2557121Y

CN2557121Y - Portable folding wheelchair

Info

Publication number: CN2557121Y
Application number: CN02262744U
Authority: CN
Inventors: 李茂顺
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-06-28
Filing date: 2002-06-28
Publication date: 2003-06-25
Anticipated expiration: 2012-06-28
Also published as: ATE346577T1; ES2278086T3; DE60309971D1; DE60309971T2; EP1374818A1; EP1374818B1

Abstract

The utility model discloses a portable folding wheelchair, including a front support U-shaped pipe and a back support U-shaped pipe which have the X-shaped pin connection, the both sides of the upper end of the front support U-shaped pipe are both fixed with connecting ear boards, a back is connected on the connecting ear boards, the both sides of the lower part of the front support U-shaped pipe are both provided with vertical pipes by pin connection, sleeves are arranged between the upper ends of the vertical pipes and the upper ends of the back support U-shaped pipe; the wheelchair has simple structure and can be folded from front to back and from top to bottom, the volume after the folding is smaller, which can be held by hands or be carried along the vehicle, so as to facilitate the disabled people to use during traveling and visiting.

Description

The portable folding wheelchair

Technical field

This utility model relates to a kind of rehabilitation wheelchair.

Background technology

Along with the raising of institutional development and people's lives, the people with disability has used rehabilitation wheelchair more and more, thereby greatly facilitates people with disability's indoor and outdoor activity, has improved people with disability's quality of life.But the wheelchair volume of Xiao Shouing is bigger in the market, though foldable structure is all arranged, it is folding to be left and right directions, and the volume after folding is still bigger, is difficult to carry with oneself or with car, and activities such as the people with disability travels outdoors, visit are greatly limited.

Summary of the invention

The purpose of this utility model is: a kind of portable folding wheelchair is provided, this Wheelchair structure is fairly simple, and can before and after, folding up and down, volume after folding is less, can be portable or carry with car, make the people with disability travelling outdoors, can be with when going sight-seeing lighter wheelchair, can use whenever and wherever possible.

The technical solution of the utility model is: a kind of portable folding wheelchair, comprise seat frame, backrest, described seat frame is included in two middle side part pin joints, side-looking is the preceding support U-shaped pipe and the back of X-shaped and supports the U-shaped pipe, the opening of preceding support U-shaped pipe and back support U-shaped pipe all up, the both sides, lower end that the U-shaped pipe is supported in the back are equipped with trailing wheel, the preceding both sides, upper end of supporting the U-shaped pipe all are fixed with the connection otic placode, connect on the otic placode and be connected with backrest, the preceding both sides, bottom of supporting the U-shaped pipe all are connected with standpipe, the lower end of standpipe is equipped with front-wheel, be provided with sleeve pipe between the upper end of the upper end of standpipe and back support U-shaped pipe, telescopic front end is provided with prong, the upper end of standpipe embeds pin joint in the prong, telescopic bottom vertically is provided with opening, make sleeve pipe can be enclosed within the upper end that the U-shaped pipe is supported in the back, both sides, telescopic middle part are provided with slotted hole, being provided with bolt in the slotted hole connects with back support U-shaped barrel bolt, telescopic rear outside is provided with flange, the back is supported the U-shaped pipe and be provided with spacer pin on the position corresponding to flange, be fixed with front rail between the upper end of two standpipes, be fixed with rear transverse rod between the two connection otic placodes, be connected with seat cushion cloth between front rail and the rear transverse rod.

The further technical scheme of this utility model is: a kind of portable folding wheelchair, comprise seat frame, backrest, described seat frame is included in two middle side part pin joints, side-looking is the preceding support U-shaped pipe and the back of X-shaped and supports the U-shaped pipe, the opening of preceding support U-shaped pipe and back support U-shaped pipe all up, the both sides, lower end that the U-shaped pipe is supported in the back are equipped with trailing wheel, the preceding both sides, upper end of supporting the U-shaped pipe all are fixed with the connection otic placode, connect on the otic placode and be connected with backrest, the preceding both sides, bottom of supporting the U-shaped pipe all are connected with standpipe, the lower end of standpipe is equipped with front-wheel, be provided with sleeve pipe between the upper end of the upper end of standpipe and back support U-shaped pipe, telescopic front end is provided with prong, the upper end of standpipe embeds pin joint in the prong, telescopic bottom vertically is provided with opening, make sleeve pipe can be enclosed within the upper end that the U-shaped pipe is supported in the back, both sides, telescopic middle part are provided with slotted hole, being provided with bolt in the slotted hole connects with back support U-shaped barrel bolt, telescopic rear outside is provided with flange, the back is supported the U-shaped pipe and be provided with spacer pin on the position corresponding to flange, be fixed with front rail between the upper end of two standpipes, be fixed with rear transverse rod between the two connection otic placodes, be connected with seat cushion cloth between front rail and the rear transverse rod; Described backrest comprises downward opening U-shaped pushing hands, laterally be equipped with backrest cloth in the U-shaped pushing hands, lower end, the both sides pin joint of U-shaped pushing hands is connecting on the otic placode, two side lower parts of U-shaped pushing hands are provided with alignment pin, the head of alignment pin is big slightly, the rear portion is provided with screw thread, the two ends of passing U-shaped pushing hands and stay cord behind the sheathed spring of two alignment pins respectively from the outside are connected and fixed, and the top that connects the otic placode pin joint point in the U-shaped pushing hands on the throne is provided with locating hole, and the head of alignment pin can embed in the locating hole.

The more perfect technical scheme of this utility model is: a kind of portable folding wheelchair, comprise seat frame, backrest, described seat frame is included in two middle side part pin joints, side-looking is the preceding support U-shaped pipe and the back of X-shaped and supports the U-shaped pipe, the opening of preceding support U-shaped pipe and back support U-shaped pipe all up, the both sides, lower end that the U-shaped pipe is supported in the back are equipped with trailing wheel, the preceding both sides, upper end of supporting the U-shaped pipe all are fixed with the connection otic placode, connect on the otic placode and be connected with backrest, the preceding both sides, bottom of supporting the U-shaped pipe all are connected with standpipe, the lower end of standpipe is equipped with front-wheel, be provided with sleeve pipe between the upper end of the upper end of standpipe and back support U-shaped pipe, telescopic front end is provided with prong, the upper end of standpipe embeds pin joint in the prong, telescopic bottom vertically is provided with opening, make sleeve pipe can be enclosed within the upper end that the U-shaped pipe is supported in the back, both sides, telescopic middle part are provided with slotted hole, being provided with bolt in the slotted hole connects with back support U-shaped barrel bolt, telescopic rear outside is provided with flange, the back is supported the U-shaped pipe and be provided with spacer pin on the position corresponding to flange, be fixed with front rail between the upper end of two standpipes, be fixed with rear transverse rod between the two connection otic placodes, be connected with seat cushion cloth between front rail and the rear transverse rod; Described backrest comprises downward opening U-shaped pushing hands, laterally be equipped with backrest cloth in the U-shaped pushing hands, lower end, the both sides pin joint of U-shaped pushing hands is connecting on the otic placode, two side lower parts of U-shaped pushing hands are provided with alignment pin, the head of alignment pin is big slightly, the rear portion is provided with screw thread, the two ends of passing U-shaped pushing hands and stay cord behind the sheathed spring of two alignment pins respectively from the outside are connected and fixed, and the top that connects the otic placode pin joint point in the U-shaped pushing hands on the throne is provided with locating hole, and the head of alignment pin can embed in the locating hole; The both sides of described U-shaped pushing hands are provided with the U-shaped piece, the opening of U-shaped piece forward, the bottom of U-shaped piece and U-shaped pushing hands pin joint, the outside of two U-shaped pieces plugs respectively and is fixed with handrail; Backing pin is connected to the U-shaped leg rest in the bottom of described preceding support U-shaped pipe, and the opening of U-shaped leg rest backward; The rear end of described seat cushion cloth is provided with carries hands.

The utility model has the advantages that:

1. each parts of the present utility model are bearing pin and connect, and be provided with positioning arresting assembly, shrink before and after when folding preceding support U-shaped pipe and back being supported the U-shaped pipe, the upwards upset of U-shaped leg rest, upwards upset, the downward upset of U-shaped pushing hands can be folded into the less wheelchair of volume to handrail, the user just can carry or put into railway carriage as long as hands is carried the hands of carrying of seat cushion cloth rear end.

2. this utility model is connected with sleeve pipe between the upper end of the upper end of afterwards supporting the U-shaped pipe and standpipe, this sleeve pipe both can make the back support the certain interval of formation between U-shaped pipe and the standpipe and be convenient to the folding of wheelchair, can stretch the back at wheelchair again forms location stop mechanism (flange is pushed down spacer pin) for back support U-shaped pipe, guarantee that wheelchair can fold well, can stretch use reliably again.

This utility model the U-shaped pushing hands be connected otic placode on be provided with the stay cord detent mechanism, alignment pin embedded in the locating hole and makes backrest be positioned at erectility when wheelchair stretched, as long as wheelchair pulls stay cord when folding alignment pin is withdrawed from from locating hole, just can U-shaped pushing hands upset downwards is folding, it is extremely convenient to use.

This utility model also pro-support that backing pin is connected to the U-shaped leg rest in the bottom of U-shaped pipe, be provided with handrail in the both sides of U-shaped pushing hands, thereby make the individuals with disabilities when use portable folding wheelchair, also can enjoy the comfort same with rehabilitation wheelchair.

Description of drawings

The utility model will be further described below in conjunction with drawings and Examples:

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is the structural representation of this utility model after folding;

Fig. 3 is the assembly structure sketch map of backrest.

Wherein: 1 seat frame; 2 backrests; Support the U-shaped pipe before 3; The U-shaped pipe is supported in 4 backs; 5 trailing wheels; 6 connect otic placode; 7 standpipes; 8 front-wheels; 9 sleeve pipes; 10 prongs; 11 openings; 12 slotted holes; 13 bolts; 14 flange; 15 spacer pins; 16 front rails; 17 rear transverse rods; 18 seat cushion cloth; The pushing hands of 19U shape; 20 backrest cloth; 21 alignment pins; 22 springs; 23 stay cords; 24 locating holes; 25U shape piece; 26 handrails; 27U shape leg rest; 28 carry hands.

The specific embodiment

Embodiment: as Fig. 1, Fig. 2, shown in Figure 3, a kind of portable folding wheelchair, comprise seat frame (1), backrest (2), described seat frame (1) is included in two middle side part pin joints, side-looking is the preceding support U-shaped pipe (3) and the back of X-shaped and supports U-shaped pipe (4), the opening of preceding support U-shaped pipe (3) and back support U-shaped pipe (4) all up, the both sides, lower end that U-shaped pipe (4) is supported in the back are equipped with trailing wheel (5), the preceding both sides, upper end of supporting U-shaped pipe (3) all are fixed with and connect otic placode (6), connect the rear end of supporting U-shaped pipe (3) before otic placode (6) is fixed on two screws, connect on the otic placode (6) and be connected with backrest (2), the preceding both sides, bottom of supporting U-shaped pipe (3) all are connected with standpipe (7), the lower end of standpipe (7) is equipped with front-wheel (8), front-wheel (8) is a universal wheel, be provided with sleeve pipe (9) between the upper end of the upper end of standpipe (7) and back support U-shaped pipe (4), the front end of sleeve pipe (9) is provided with prong (10), the upper end of standpipe (7) embeds the interior pin joint of prong (10), the bottom of sleeve pipe (9) vertically is provided with opening (11), make sleeve pipe (9) can be enclosed within the upper end that U-shaped pipe (4) is supported in the back, the both sides, middle part of sleeve pipe (9) are provided with slotted hole (12), be provided with bolt (13) in the slotted hole (12) and support u shape pipe (4) pin joint with the back, the rear outside of sleeve pipe (9) is provided with flange (14), the back is supported U-shaped pipe (4) and be provided with spacer pin (15) on the position corresponding to flange (14), be fixed with front rail (16) between the upper end of two standpipes (7), be fixed with rear transverse rod (17) between the two connection otic placodes (6), be connected with seat cushion cloth (18) between front rail (16) and the rear transverse rod (17), the rear end of seat cushion cloth (18) is provided with carries hands (28); Described backrest (2) comprises downward opening U-shaped pushing hands (19), laterally be equipped with backrest cloth (20) in the U-shaped pushing hands (19), lower end, the both sides pin joint of U-shaped pushing hands (19) is connecting on the otic placode (6), two side lower parts of U-shaped pushing hands (19) are provided with alignment pin (21), the head of alignment pin (21) is big slightly, the rear portion is provided with screw thread, the two ends of passing U-shaped pushing hands (19) and stay cord (23) behind the sheathed springs of two alignment pins (21) (22) respectively from the outside are connected and fixed, the heart yearn of stay cord (23) is a steel wire rope, steel wire rope is arranged with plastic tube outward, connect otic placode (6) and be provided with locating hole (24) in the top of the pin joint point that is positioned at U-shaped pushing hands (19), the head of alignment pin (21) can embed in the locating hole (24); The both sides of described U-shaped pushing hands (19) are provided with U-shaped piece (25), the opening of U-shaped piece (25) forward, the bottom of U-shaped piece (25) and U-shaped pushing hands (19) pin joint, the outside of two U-shaped pieces (25) plugs respectively and is fixed with handrail (26); Backing pin is connected to U-shaped leg rest (27) in the bottom of described preceding support U-shaped pipe (3), and the opening of U-shaped leg rest (27) backward.

Each parts of the present utility model are bearing pin and connect, and be provided with positioning arresting assembly, shrink before and after when folding preceding support U-shaped pipe (3) and back being supported U-shaped pipe (3), upwards upset of U-shaped leg rest (27), upwards upset of handrail (26), the downward upset of U-shaped pushing hands (19) can be folded into the less wheelchair of volume, the user if hands carry seat cushion cloth (18) rear end carry hands (28), just can carry or put into railway carriage.

This utility model is connected with sleeve pipe (9) between the upper end of the upper end of afterwards supporting U-shaped pipe (4) and standpipe (7), this sleeve pipe (9) both can make the back support the certain interval of formation between U-shaped pipe (4) and the standpipe (7) and be convenient to the folding of wheelchair, can stretch the back at wheelchair again forms location stop mechanism (flange (pushing down spacer pin) for back support U-shaped pipe (4), guarantee that wheelchair can fold well, can stretch use reliably again.

This utility model U-shaped pushing hands (19) be connected otic placode (6) on be provided with the stay cord detent mechanism, alignment pin (21) embedded in the locating hole (24) and makes backrest (2) be positioned at erectility when wheelchair stretched, as long as wheelchair pulls stay cord (23) when folding alignment pin (21) is withdrawed from from locating hole (24), just can U-shaped pushing hands (19) upset downwards is folding, it is extremely convenient to use.

This utility model also pro-supports that backing pin is connected to U-shaped leg rest (27) in the bottom of U-shaped pipe (3), be provided with handrail (26) in the both sides of U-shaped pushing hands (19), thereby make the individuals with disabilities when using the portable folding wheelchair, also can enjoy the comfort same with rehabilitation wheelchair.

Claims

1. portable folding wheelchair, comprise seat frame (1), backrest (2), it is characterized in that: described seat frame (1) is included in two middle side part pin joints, side-looking is the preceding support U-shaped pipe (3) and the back of X-shaped and supports U-shaped pipe (4), the opening of preceding support U-shaped pipe (3) and back support U-shaped pipe (4) all up, the both sides, lower end that U-shaped pipe (4) is supported in the back are equipped with trailing wheel (5), the preceding both sides, upper end of supporting U-shaped pipe (3) all are fixed with and connect otic placode (6), connect on the otic placode (6) and be connected with backrest (2), the preceding both sides, bottom of supporting U-shaped pipe (3) all are connected with standpipe (7), the lower end of standpipe (7) is equipped with front-wheel (8), be provided with sleeve pipe (9) between the upper end of the upper end of standpipe (7) and back support U-shaped pipe (4), the front end of sleeve pipe (9) is provided with prong (10), the upper end of standpipe (7) embeds the interior pin joint of prong (10), the bottom of sleeve pipe (9) vertically is provided with opening (11), make sleeve pipe (9) can be enclosed within the upper end that U-shaped pipe (4) is supported in the back, the both sides, middle part of sleeve pipe (9) are provided with slotted hole (12), be provided with bolt (13) in the slotted hole (12) and support U-shaped pipe (4) pin joint with the back, the rear outside of sleeve pipe (9) is provided with flange (14), the back is supported U-shaped pipe (4) and be provided with spacer pin (15) on the position corresponding to flange (14), be fixed with front rail (16) between the upper end of two standpipes (7), be fixed with rear transverse rod (17) between the two connection otic placodes (6), be connected with seat cushion cloth (18) between front rail (16) and the rear transverse rod (17).

2. portable folding wheelchair according to claim 1, it is characterized in that: described backrest (2) comprises downward opening U-shaped pushing hands (19), laterally be equipped with backrest cloth (20) in the U-shaped pushing hands (19), lower end, the both sides pin joint of U-shaped pushing hands (19) is connecting on the otic placode (6), two side lower parts of U-shaped pushing hands (19) are provided with alignment pin (21), the head of alignment pin (21) is big slightly, the rear portion is provided with screw thread, the two ends of passing U-shaped pushing hands (19) and stay cord (23) behind the sheathed springs of two alignment pins (21) (22) respectively from the outside are connected and fixed, connect otic placode (6) and be provided with locating hole (24) in the top of the pin joint point that is positioned at U-shaped pushing hands (19), the head of alignment pin (21) can embed in the locating hole (24).

3. portable folding wheelchair according to claim 2, it is characterized in that: the both sides of described U-shaped pushing hands (19) are provided with U-shaped piece (25), the opening of U-shaped piece (25) forward, the bottom of U-shaped piece (25) and U-shaped pushing hands (19) pin joint, the outside of two U-shaped pieces (25) plug respectively and are fixed with handrail (26).

4. portable folding wheelchair according to claim 1 is characterized in that: backing pin is connected to U-shaped leg rest (27) in the bottom of described preceding support U-shaped pipe (3), and the opening of U-shaped leg rest (27) backward.

5. portable folding wheelchair according to claim 1 is characterized in that: the rear end of described seat cushion cloth (18) is provided with carries hands (28).