CN209464209U

CN209464209U - A kind of device for self-care tool

Info

Publication number: CN209464209U
Application number: CN201821558735.6U
Authority: CN
Inventors: 刘雁斌; 王少朋
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-09-21
Filing date: 2018-09-21
Publication date: 2019-10-08
Anticipated expiration: 2028-09-21
Also published as: CN211750564U

Abstract

The utility model discloses a kind of device for self-care tool, including chair frame and driving wheel；The driving wheel has first position and the second position relative to the chair frame；The device for self-care tool further includes the shaft relocation mechanism being set in the chair frame；The driving wheel is set on the shaft relocation mechanism；The shaft relocation mechanism can make the rotation axis of the driving wheel separate or close to the chair frame top；Movement of the utility model by driving wheel in first position and the second position, improve the mobile freedom degree of device for self-care tool, it is movable in the small spaces such as such as lavatory, shower cabinet, kitchen to be not only convenient for physical disabilities, and device for self-care tool is moved to bedside convenient for physical disabilities, improve the self care ability of physical disabilities.

Description

A kind of device for self-care tool

Technical field

The utility model relates to the field of medical instrument technology more particularly to a kind of device for self-care tools.

Background technique

Wheelchair is the important tool of rehabilitation, it is not only the walking-replacing tool of limbs the disabled and people with mobility problems, heavier What is wanted is that them is made to carry out physical exercise by means of wheelchair and participate in social activities.Existing wheelchair generally comprises chair frame, cart Wheel, trundle, seat, backrest, leg support, footrest and handrail, big wheel are driving wheel, be located at chair frame on rear side of, trundle be from Driving wheel is located on front side of chair frame.

Publication No. is that the application for a patent for invention of CN107550652A discloses a kind of epileptic's special-purpose multifunctional wheelchair, Including wheelchair frame, seat mechanism, the mechanism that lies low, traveling mechanism and drag leg mechanism；Wheelchair frame includes bracket, and the bracket is in U-shaped round bend pipe structure, and it is fixedly connected with seat mechanism, there are two bracket settings, and about seat mechanism mirror symmetry；Chair Seat mechanism includes seat, and seat is fixedly welded two brackets, bend pipe is fixedly connected on rear side of bracket, is provided on bend pipe flat It lies mechanism；The mechanism that lies low includes fixing seat, and fixing seat is fixedly welded bend pipe, and the first rotation axis is fixedly mounted in the top of fixing seat Seat, the first rotating shaft base are hinged with backrest round tube, and backrest round tube is fixedly connected with backrest, and support rod is hinged on rear side of backrest, prop up Strut is adhered on back, backrest round tube by velcro and is fixedly connected with drawstring item, and drawstring item is fixedly connected with bolt, on bracket It is provided with the pin hole to match with bolt；Traveling mechanism includes auxiliary wheel, big wheel and trundle, the bottom end of bracket and bend pipe It is fixedly welded chassis, auxiliary wheel is fixedly mounted in the rear side of chassis, and trundle is fixedly mounted in the front side of chassis, and big wheel is fixedly mounted On bracket, brake block is also equipped on bracket, the edge of a knife of brake block is just being aligned the tire tread of big wheel；Dragging leg mechanism includes electricity Dynamic telescopic rod, electric telescopic rod are fixedly mounted on the front side of bracket, articulation piece, articulation piece are fixedly connected at the top of electric telescopic rod It is hinged with hinged-support, hinged-support, which is socketed in, to be dragged on leg round tube, is dragged the bottom end of leg round tube that foot pedal is fixedly mounted, is dragged the top of leg round tube Hinged second rotating shaft base is held, the second rotating shaft base is fixedly connected with the bracket.

Although the patent can help limbs the disabled and people with mobility problems's activity, but there is problems in that making With the state being constantly under state with ground face contact, the mobile freedom degree of wheelchair is limited, is not easy to physical disabilities small-sized It is movable in space such as toilet, bathroom etc..In addition, big wheel is located at the rear side of wheelchair frame, lead to the turning radius of wheelchair It is larger, wheelchair has also more been highlighted the small space inconvenient activity the problem of.

Utility model content

The purpose of the utility model is to provide a kind of device for self-care tool for being able to ascend one-movement-freedom-degree,.

The utility model is realized in this way:

A kind of device for self-care tool, including chair frame and driving wheel；The driving wheel has first relative to the chair frame It sets and the second position.

Further, when the driving wheel is in first position relative to the chair frame, the rotary shaft of the driving wheel Top of the line far from the chair frame；When the driving wheel is in the second position relative to the chair frame, the rotation of the driving wheel Shaft axis is close to the chair frame top.

Further, in a state of use, when the driving wheel is in first position relative to the chair frame, the drive Driving wheel is in the state with ground face contact；When the driving wheel is in the second position relative to the chair frame, the driving wheel In with the non-contacting state in ground.

Further, the device for self-care tool further includes the shaft relocation mechanism being set in the chair frame；Described turn Axis relocation mechanism can make the rotation axis of the driving wheel separate or close to the chair frame top.

Further, the device for self-care tool further includes the support wheel assembly being set in the chair frame；The support Wheel assembly includes front jockey wheel and rear-wheel；The front jockey wheel is located at the side of the rotation axis of the driving wheel, the rear-wheel On the other side positioned at the rotation axis of the driving wheel or the extended line direction of the rotation axis positioned at the driving wheel.

Further, the front jockey wheel is set to the front lower place of the chair frame；The rear-wheel is set to the chair frame The back lower place；The driving wheel is set to the side of the chair frame；The front jockey wheel is universal wheel；The rear-wheel be universal wheel or Person's fast pulley.

A kind of device for self-care tool, including chair frame and driving wheel；The device for self-care tool further includes being set to the chair Shaft relocation mechanism on frame；The driving wheel is set on the shaft relocation mechanism；The shaft relocation mechanism can make The rotation axis of the driving wheel is separate or close to the chair frame top.

Further, the device for self-care tool further includes the support wheel assembly being set in the chair frame；The support Wheel assembly includes front jockey wheel and rear-wheel；The front jockey wheel is located at the side of the rotation axis of the driving wheel, the rear-wheel On the other side positioned at the rotation axis of the driving wheel or the extended line direction positioned at the shaft.

Further, in a state of use, when the driving wheel is far from the chair frame top, the driving wheel be in The state of ground face contact；When the driving wheel is close to the chair frame top, the driving wheel is in and the non-contacting shape in ground State.

Further, the chair frame includes support wheel support portion；The front jockey wheel is fixed on the support wheel support portion Front end；The rear-wheel is fixed on the rear end of the support wheel support portion；The support wheel support portion is made of spring steel plate.

Further, the shaft relocation mechanism includes elastic supporting member for supporting optical member；The driving wheel includes shaft；The shaft is logical It crosses elastic supporting member for supporting optical member and is set to chair frame；Top of the shaft by the separate or close chair frame of elastic force effect of elastic supporting member for supporting optical member End.

Further, the elastic supporting member for supporting optical member includes elastic element and rotating shaft support part；One end of the elastic element is solid It is scheduled in the chair frame, the other end is fixedly connected with the rotating shaft support part；Shaft assembly is provided on the rotating shaft support part Hole；The shaft pilot hole is for assembling shaft.

As a specific technical scheme, one end of the rotating shaft support part and the chair frame are rotatablely connected；The shaft branch The other end of support member is provided with shaft pilot hole, and the end is fixedly connected with one end of the elastic element, the elastic element The other end be fixed in the chair frame.

As a specific technical scheme, the bottom end of the elastic element is fixedly connected with the chair frame, the elastic element Top be fixedly connected with the rotating shaft support part, or, the top of the elastic element is fixedly connected with the chair frame, the bullet The bottom end of property element is fixedly connected with the rotating shaft support part；The chair frame is provided with what the confession rotating shaft support part moved up and down Guide rail.

Further, the elastic supporting member for supporting optical member is spring leaf, and the spring leaf is fixed in the chair frame；The spring leaf Equipped with the shaft pilot hole for assembling the shaft.

As a specific technical scheme, the spring leaf includes spring leaf fixed section, driving wheel fixed section and for connecting Connect the linkage section of spring leaf fixed section Yu driving wheel fixed section；The spring leaf fixed section is fixed in the chair frame, the drive Driving wheel fixed section is provided with shaft pilot hole.

As a specific technical scheme, the spring leaf includes top surface, bottom surface and the company for connecting top and bottom Junction；The top surface is provided with shaft position-limit mechanism, and the shaft position-limit mechanism includes shaft pilot hole, the bottom surface with it is described Chair frame is fixedly connected, or, the bottom surface is provided with shaft position-limit mechanism, the shaft position-limit mechanism includes shaft pilot hole, institute Top surface is stated to be fixedly connected with the chair frame.

As a specific technical scheme, the top surface and the bottom surface are the plane being parallel to each other, and the joint face is song Face.

As a specific technical scheme, the spring leaf section is the U-shaped of body of one who has dropped dead by the roadside.

Further, the driving wheel is set among the chair frame side.

It further, further include seat；Defecating hole is provided on the seat.

Further, height of the seat apart from ground is more than or equal to height of the closestool apart from ground.

Further, sealing ring is posted at the back of the seat；The sealing ring is provided with corresponding with the defecating hole Through hole；The sealing ring is for preventing odor dispersion when defecation from going out.

Further, the device for self-care tool includes seat, backrest-leg support link mechanism and leg support-footrest connecting rod Mechanism；The backrest-leg support link mechanism includes backrest, leg support and first connecting rod component；The leg support-footrest link mechanism Including leg support, footrest and second connecting rod component；The front end of the backrest is connect with the rear end thereof of the seat；The leg support Rear end and the seat front end be rotatablely connected；The rear end of the footrest and the front end of the leg support are rotatablely connected；Described One end of one link assembly is connect with the backrest, and the other end of first connecting rod component is connect with the leg support, first connecting rod group Part is for making the leg support and the back-rest linked；One end of the second connecting rod component is connect with the seat, the other end with The footrest connection, for making the footrest and the leg support link.

It further, further include handrail and stroke control mechanism；The handrail includes fixing end and movable end；It is described to help The fixing end of hand and the backrest are rotatablely connected；The handrail rotates under the control of the stroke control mechanism, described in drive Backrest rotation.

As a specific technical scheme, the movable end setting of the handrail is jagged；The stroke control mechanism includes solid The strip being scheduled in the chair frame；Multiple sawtooth corresponding with the notch are arranged on the strip；When the notch is stuck in When at the sawtooth of forefront, handrail control backrest, leg support and footrest are in sitting posture state；When the notch different sawtooth it Between when moving, handrail controls backrest rotation, and backrest pushes leg support rotation, and leg support pushes footrest rotation；When the notch is moved to When sawtooth beyond rearmost, backrest, leg support and footrest turn to lying status；

Or, the movable end of the handrail is provided with protrusion；The stroke control mechanism includes being fixed in the chair frame Pedestal, be arranged with multiple limiting slots corresponding with the protrusion on the pedestal；When the protrusion is stuck in forefront When at limiting slot, handrail control backrest, leg support and footrest are in sitting posture state；When the protrusion is between different limiting slots When mobile, handrail controls backrest rotation, and backrest pushes leg support rotation, and leg support pushes footrest rotation；When the protrusion is moved to When limiting slot beyond rearmost, backrest, leg support and footrest turn to lying status；

Or, the movable end of the handrail is provided with limiting slot；The stroke control mechanism includes being fixed in the chair frame Pedestal, be arranged with multiple protrusions corresponding with the limiting slot on the pedestal；When the limiting slot is stuck in forefront When at protrusion, handrail control backrest, leg support and footrest are in sitting posture state；When the limiting slot is between different protrusions When mobile, handrail controls backrest rotation, and backrest pushes leg support rotation, and leg support pushes footrest rotation；When the limiting slot is moved to When protrusion beyond rearmost, backrest, leg support and footrest turn to lying status.

As a specific technical scheme, the first connecting rod component includes first connecting rod and second connecting rod；Described first connects One end of bar is fixedly connected with the backrest, and one end of the other end and the second connecting rod is rotatablely connected；The second connecting rod The other end and the leg support are rotatablely connected.

As a specific technical scheme, the second connecting rod component includes third connecting rod and fourth link；The third connects One end of bar is connect with the seat rotating, and one end of the other end and the fourth link is rotatablely connected；The fourth link The other end is fixedly connected with the footrest.

The utility model the utility model has the advantages that

From the above technical scheme, the utility model is because driving wheel has first position and the relative to the chair frame Two positions improve the mobile freedom of device for self-care tool by movement of the driving wheel between first position and the second position Degree；Further, the utility model keeps the rotation axis of driving wheel separate or close chair frame top by shaft relocation mechanism, Improve the mobile freedom degree of device for self-care tool；Further, the utility model makes driving wheel can by shaft relocation mechanism With separate or close chair frame top, and front jockey wheel and rear-wheel use universal wheel, so that device for self-care tool drives when in use Driving wheel can be at the discontiguous state in ground, and then only can all around be moved, be convenient for by front jockey wheel and rear-wheel Physical disabilities are movable in the small spaces such as such as lavatory, shower cabinet, kitchen, and are moved to bedside convenient for physical disabilities, mention The high self care ability of physical disabilities；Further, the utility model makes support wheel support portion using spring steel plate, uses In shockproof；Further, the utility model is convenient for physical disabilities' voluntarily defecation by the way that defecating hole is arranged on seat；Further Ground, the utility model prevent foul smell when defecation from distributing by the way that sealing ring is arranged below seat；Further, this is practical new Type independently enters and leaves closestool by the way that the height of seat to be designed to the height more than or equal to closestool, convenient for physical disabilities, protects disability The privacy of personage；Further, driving wheel is arranged in the middle part of chair frame side in the utility model, is arranged compared to driving wheel in chair frame Rear, turning radius are smaller；Further, the utility model passes through handrail, backrest-leg support link mechanism, leg support-footrest connecting rod Mechanism and stroke control mechanism control device for self-care tool are in sitting posture or lying status.

Detailed description of the invention

In order to illustrate more clearly of the utility model embodiment, attached drawing needed in the embodiment is done simply below Introduction.The accompanying drawings in the following description is only the embodiments of the present invention, is come for those of ordinary skill in the art It says, without creative efforts, can also be obtained according to these attached drawings other accompanying drawings.

Fig. 1 is that (footrest is in folding for right view when notch on one handrail of the utility model embodiment is stuck in the first tooth peak Overlapping state)；

Fig. 2 is that (footrest is in folding for perspective view when notch on one handrail of the utility model embodiment is stuck in the first tooth peak Overlapping state)；

Fig. 3 is that (footrest is in exhibition for right view when notch on one handrail of the utility model embodiment is stuck in the first tooth peak Open state)；

Fig. 4 is that (footrest is in exhibition for perspective view when notch on one handrail of the utility model embodiment is stuck in the first tooth peak Open state)；

Fig. 5 is right view when notch on one handrail of the utility model embodiment is stuck in third tooth peak；

Fig. 6 is perspective view when notch on one handrail of the utility model embodiment is stuck in third tooth peak；

Fig. 7 is that (handrail is higher than chair for right view when one device for self-care tool of the utility model embodiment is in lying status Seat height degree)；

Fig. 8 is that (handrail is higher than chair for perspective view when one device for self-care tool of the utility model embodiment is in lying status Seat height degree)；

Fig. 9 is right view (handrail and the seat when one device for self-care tool of the utility model embodiment is in lying status Concordantly)；

Perspective view when one device for self-care tool of Figure 10 the utility model embodiment is in lying status (put down by handrail and seat Together)；

Figure 11 is the perspective view of one spring leaf of the utility model embodiment；

Figure 12 is the sectional view of the utility model embodiment two；

Figure 13 is the perspective view of the utility model embodiment two；

Figure 14 is the perspective view of the U-shaped spring leaf of the utility model embodiment two；

Figure 15 is the sectional view of the utility model embodiment three；

Figure 16 is the sectional view of the utility model embodiment five；

Figure 17 is the perspective view of the utility model embodiment five.

Description of symbols: 1, chair frame；1a, support wheel support portion；1b, seat support portion；2, backrest；3, seat；31, row Just hole；4, leg support；5, footrest；6, driving wheel；61, shaft；7, front jockey wheel；8, rear-wheel；9, spring leaf；91, spring leaf is fixed Section；92, linkage section；93, shaft fixed section；91a, spring leaf pilot hole；93a, shaft pilot hole；94, shaft position-limit mechanism； 95, elastic element；96, rotating shaft support part；10, handrail；101, fixing end；102, movable end；102b, protrusion；11, stroke adjustment Mechanism；111, the first folder；112, the second folder；113, strip；1131, the first tooth peak, the 1132, second tooth peak；1133, third Tooth peak；1134, the 4th tooth peak；12, first connecting rod component；121, first connecting rod；122, second connecting rod；131, third connecting rod； 132, fourth link；14, armrest pad；15, back support；15a, supporting element.

Specific embodiment

With reference to the accompanying drawing, the utility model is described in detail.

In order to which the purpose of this utility model, technical solution, advantage is more clearly understood, with reference to the accompanying drawings and embodiments The present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain this Utility model is not used to limit the utility model.In the examples below, before being from the direction that backrest 2 is directed toward seat 3, from Seat 3 be directed toward backrest 2 direction be after, from chair frame be directed toward seat 3 direction be it is upper, from seat 3 be directed toward chair frame direction be under.

Embodiment one

As shown in Fig. 1 to 10, a kind of device for self-care tool includes chair frame, backrest 2, seat 3, leg support 4, footrest 5, driving wheel 6, wheel assembly, shaft floating structure, handrail 10, stroke control mechanism 11, first connecting rod component 12 and second connecting rod group are supported Part 13.

As shown in Fig. 1 to 10, in the present embodiment, chair frame includes the type of the falling Π knot for being symmetrically disposed on 3 left and right sides of seat Structure 1, the type of falling Π structure 1 include support wheel support portion 1a, the seat support portion 1b being arranged in parallel on support wheel support portion 1a.Branch Supportting wheel assembly includes front jockey wheel 7 and rear-wheel 8, and front jockey wheel 7 is fixed on the front end of support wheel support portion 1a, and rear-wheel 8 is fixed on The rear end of support wheel support portion 1a.Seat 3 is fixed on the top of seat support portion 1b.

In the present embodiment, support wheel support portion 1a and seat support portion 1b are integrally formed production；In other embodiments In, support wheel support portion 1a can be to be fabricated separately with seat support portion 1b, assemble.

In the present embodiment, driving wheel 6 includes shaft 61；Driving wheel 6 is set by means of shaft 61 by shaft relocation mechanism It is placed in chair frame；Driving wheel 6 is symmetrically disposed on the left of chair frame and right side；Floating masterpiece of the driving wheel 6 by shaft relocation mechanism With the rotation axis of the driving wheel is made, close to the chair frame top, (rotation axis that driving wheel is defined in the utility model is close When chair frame top, driving wheel 6 is in the second position relative to chair frame) when, driving wheel is in (to suspend with the non-contacting state in ground State)；When the driving wheel is overcome the floating power effect of the shaft relocation mechanism to make the rotation of the driving wheel 6 by external force Shaft axis far from chair frame top (when defining the rotation axis of driving wheel 6 in the utility model close to chair frame top, driving wheel 6 The second position is in relative to chair frame) when, driving wheel 6 is in the state with ground face contact.

In the present embodiment, shaft relocation mechanism includes elastic supporting member for supporting optical member；Driving wheel 6 passes through elasticity branch by means of shaft 61 Support member is set in chair frame；In use state, driving wheel 6 is by the elastic force effect of elastic supporting member for supporting optical member in suspended state or by outer Power effect overcomes the elastic force effect in the state with ground face contact；When driving wheel 6 is in the state with ground face contact, bullet Property supporting element gravity suffered by driving wheel is greater than as the elastic force that is generated by external force elastic deformation；When driving wheel 6 is in When with ground non-contacting state (i.e. suspended state), elastic supporting member for supporting optical member is equal to driving wheel 6 due to the elastic force that elastic deformation generates Suffered gravity.

Such as Fig. 2, shown in 4,6,11, in the present embodiment, elastic supporting member for supporting optical member is spring leaf 9, and spring leaf 9 is symmetrically disposed on chair On the left of frame and right side；Spring leaf 9 includes spring leaf fixed section 91, linkage section 92 and driving wheel fixed section 93；Linkage section 92 One end connect with one end of spring leaf fixed section 91, the other end of linkage section 92 is connect with one end of driving wheel fixed section 93； Spring leaf fixed section 91 is fixedly connected with the side of seat support portion 1b, for spring leaf 9 to be fixed on chair frame；Shaft 61 with Driving wheel fixed section 93 is fixedly connected, for driving wheel 6 to be fixed on spring leaf 9.

In the present embodiment, spring leaf fixed section 91, linkage section 92 and driving wheel fixed section 93 are integrally formed；Other In embodiment, spring leaf fixed section 91, linkage section 92 and driving wheel fixed section 93 can be fabricated separately, and be assembled.

In the present embodiment, driving wheel fixed section 93 is with shaft 61 along axially vertical, spring leaf fixed section 91 and seat branch The side for being parallel to shaft 61 of support part 1b is parallel, and spring leaf fixed section 91 is mutually perpendicular to driving wheel fixed section 93, linkage section 92 be in distorted shape；The shaft pilot hole 93a of corresponding shaft 61 being coaxially disposed with shaft 61 is arranged in driving wheel fixed section 93, passes through The shaft pilot hole 93a and threaded connection are fixedly connected with shaft 61 with driving wheel fixed section 93, i.e., consolidate driving wheel 6 It is scheduled on spring leaf；Spring leaf fixed section 91 is provided with spring leaf pilot hole 91a, passes through the spring leaf pilot hole 91a and screw thread The side that bindiny mechanism makes spring leaf fixed section 91 be parallel to shaft 61 with seat support portion 1b is fixedly connected, i.e., by spring leaf 9 It is fixed in chair frame.

In other embodiments, driving wheel fixed section 93 is with shaft 61 along axially vertical, spring leaf fixed section 91 and seat The side perpendicular to shaft 61 of support portion 1b is parallel, and spring leaf fixed section 91 is parallel to each other with driving wheel fixed section 93；Driving The shaft pilot hole 93a being coaxially disposed with shaft 61 that corresponding shaft 61 is arranged in fixed section 93 is taken turns, shaft pilot hole 93a is passed through And threaded connection is fixedly connected with shaft 61 with driving wheel fixed section 93, i.e., driving wheel 6 is fixed on spring leaf；Bullet Reed fixed section 91 is provided with spring leaf pilot hole 91a, makes spring leaf by the spring leaf pilot hole 91a and threaded connection Fixed section 91 is fixedly connected with the side perpendicular to shaft 61 of seat support portion 1b, i.e., spring leaf 9 is fixed in chair frame.

In the present embodiment, it is provided in shaft 61 screw thread (not shown), shaft 61 passes through shaft pilot hole 93a, passes through It is threadedly coupled with nut (not shown), is fixedly connected with shaft 61 with driving wheel fixed section 93, i.e., driving wheel 6 is fixed on spring On piece 9；Threaded hole (not shown), screw are provided on the side for assembling 9 fixed section 91 of spring leaf of seat support portion 1b The spring leaf pilot hole 91a (not shown) that passes through is threadedly coupled with the threaded hole on seat support portion 1b, makes spring leaf fixed section 91 It is fixed on seat support portion 1b, i.e., spring leaf is consolidated 9 and be set in chair frame surely.

In other embodiments, it is provided on a side for assembling spring leaf fixed section 91 of seat support portion 1b Threaded rod (not shown), threaded rod, which passes through spring leaf pilot hole 91a, makes spring leaf by being threadedly coupled with nut (not shown) Fixed section 91 is fixedly connected with seat support portion 1b, i.e., spring leaf 9 is fixed in chair frame.

In the present embodiment, in a state of use, spring leaf 9 make driving wheel 6 be in suspended state or with ground face contact shape The principle of state is as follows:

Spring leaf 9 generates elastic force upward perpendicular to the ground to driving wheel 6, the elastic force and 6 institute of driving wheel due to elastic deformation It is opposite by gravity direction；When driving wheel 6 is in the state with ground face contact by external force, spring leaf 9 is due to elastic shape Raw elastic force (i.e. holding power) upward perpendicular to the ground is sold of one's property greater than gravity suffered by driving wheel 6；When there is no external force in driving The sum of the gravity for the pressure and driving wheel downward perpendicular to the ground that wheel 6 or external force are supplied to driving wheel 6 is not enough to overcome spring leaf 9 When being supplied to the holding power upward perpendicular to the ground of driving wheel 6, driving wheel 6 is in suspended state, and (driving wheel is in non-with ground The state of contact)；When have external force provide perpendicular to the ground downward pressure to driving wheel 6, gravity suffered by the pressure and driving wheel 6 it When with being supplied to the holding power upward perpendicular to the ground of driving wheel 6 greater than spring leaf 9, driving wheel 6 is in the shape with ground face contact State.

In the present embodiment, device for self-care tool uses manual actuation；When driving wheel 6 is in the state with ground face contact When, physical disabilities push driving wheel 6 to rotate, and the frictional force before driving wheel 6 and ground pushes chair frame to be moved forward and backward；Manual actuation Although mode can expend more many-body force, the production cost of device for self-care tool is reduction of, without charging, but also can To increase the amount of exercise of operator, be conducive to the health of operator.

In other embodiments, device for self-care tool uses electric drive；The output shaft of shaft 61 and motor (not shown) Connection, rotates under the drive of the motor, and driving wheel 6 rotates under the driving of shaft 61 drives chair frame to be moved forward and backward, and saves behaviour The physical strength of author.

In the present embodiment, driving wheel 6 is set in the middle part of chair frame side, is set to chair frame side rear compared to driving wheel 6 When, the turning radius of device for self-care tool is smaller.

In the present embodiment, the width range of device for self-care tool is 550mm-650mm, the rotation half of device for self-care tool Diameter range is 450mm-470mm.

Such as Fig. 1, shown in 3,5,7,9, in the present embodiment, front jockey wheel 7 is symmetrically disposed on the left and right two of chair frame front lower place Side is fixedly connected with chair frame；Rear-wheel 8 is symmetrically disposed on the left and right sides of the chair frame back lower place；Front jockey wheel 7 and rear-wheel 8 are used for will Chair frame supports on the ground, prevents chair frame from toppling over.

In the present embodiment, front jockey wheel 7 and rear-wheel 8 are universal wheel；When driving wheel 6 is in suspended state, take care of oneself Auxiliary instrument can all around be moved by front jockey wheel and rear-wheel, convenient for physical disabilities in lavatory, shower cabinet, kitchen etc. It is movable in small space, and it is moved to bedside convenient for physical disabilities, improve the self care ability of physical disabilities.

Such as Fig. 2, shown in 4,6,8,10, seat 3 is fixed on chair frame top；Be provided with defecating hole 31 on seat 3, seat 3 away from Height from the ground is more than or equal to the height of closestool；When physical disabilities need stool and urine, without leaving seat 3, it need to will only take care of oneself Auxiliary instrument is shifted above closestool position, so that defecating hole 31 is directed at the dirt collecting port of closestool, can voluntarily be completed defecation, is improved The self-care ability of physical disabilities.

In other embodiments, chamber pot or bedpan can also be placed in the lower section of defecating hole 31, carries out defecation.

Currently, seat 3 height apart from ground of the urinal height on the market between 40cm-45cm, in the utility model Degree is greater than 45cm.

In the present embodiment, the lower section of seat 3 is provided with sealing ring (not shown), and sealing ring corresponds to defecating hole 31 and is provided with Through hole；Sealing ring is for preventing smell when defecation from being dispersed into above seat from closestool.

Such as Fig. 1, shown in 3,5,7,9, the front end of backrest 2 is connect with the rear end thereof of seat 3；The rear end of leg support 4 and seat 3 Front end rotation connection；The rear end of footrest 5 and the front end of leg support 4 are rotatablely connected；Handrail 10 is symmetrically disposed on the left and right two of seat 3 Side, the rear end of handrail 10 are rotatablely connected with the left and right sides of backrest 2 respectively；On stroke control mechanism 11 is symmetrically disposed on before chair frame The left and right sides of side, is fixedly connected with chair frame；First connecting rod component 12 is symmetrically disposed on the left and right sides of chair frame, first connecting rod group One end of part 12 is connect with the left and right sides of backrest 2 respectively, the other end of first connecting rod component 12 respectively with the left and right two of leg support 4 Side connection；Second connecting rod component be symmetrically disposed on one end of the left and right sides second connecting rod component 13 of chair frame respectively with seat 3 Left and right sides connection, the other end of second connecting rod component 13 are connect with the left and right sides of footrest 5 respectively.

Such as Fig. 1, shown in 3,5,7,9, first connecting rod component 12 includes first connecting rod 121 and second connecting rod 122；First connecting rod 121 one end is connect with the back fixation of backrest 2, and one end of the other end and second connecting rod 122 is rotatablely connected, second connecting rod 122 The other end and leg support 4 back be rotatablely connected；Second connecting rod component 13 includes third connecting rod 131 and fourth link 132；Third One end of connecting rod 131 and the bottom surface of seat 3 are rotatablely connected, and one end of the other end and fourth link 132 is rotatablely connected, fourth link 132 other end is connect with the back fixation of footrest 5.

Such as Fig. 2, shown in 4,6, in the present embodiment, seat support portion 1b is equipped with through hole, and second connecting rod 122 passes through chair Through hole on seat supports portion 1b is connect with the back fixation of leg support 4.

In the present embodiment, first connecting rod 121, second connecting rod 122, backrest 2 and leg support 4 form backrest-leg support connecting rod Mechanism, backrest-leg support link mechanism for realizing backrest 2 and leg support 4 linkage；Third connecting rod 131, fourth link 132, leg support 4 and footrest 5 form leg support-footrest link mechanism, leg support-footrest link mechanism for realizing leg support 4 and footrest 5 linkage.

Such as Fig. 2, shown in 4,6,8,10, in the present embodiment, stroke control mechanism 11 is pressed from both sides including the first folder 111, second Part 112 and strip 113；First folder 111 is fixed on the seat support portion 1b in front of device for self-care tool, the second folder Part 112 is arranged in parallel with the first folder 111, and the second folder 112 is fixedly connected with the first folder 111, forms certain receiving Space；Strip 113 is fixed in the accommodation space that the first folder 111 and the second folder 112 are formed.

Such as Fig. 2, shown in 4,6,8,10, in the present embodiment, strip 113 is zigzag, multiple tooth peaks including protrusion, phase It is the tooth paddy of recess between adjacent tooth peak；Such as Fig. 1, shown in 3,5, handrail 10 is in Γ type, including the fixing end being arranged at an angle 101 are rotatably coupled with movable end 102, fixing end 101 with backrest 2, and movable end 102 is provided with the tooth peak shape with strip 113 The corresponding notch of shape.

In the present embodiment, fixing end 101 meets the physiological curve of human arm, for accepting the arm of physical disabilities, Improve usage comfort；Angular range between fixing end 101 and movable end 102 is 60 ° -90 °.

In the present embodiment, fixing end 101 and movable end 102 are integrally formed production；In other embodiments, fixing end 101 can be independently to make, assemble with movable end 102.

Such as Fig. 8, shown in 10, in the present embodiment, strip 113 includes the first tooth peak 1131, second being arranged from front to back Tooth peak 1132, third tooth peak 1133, the 4th tooth peak 1134；In other embodiments, strip 113 includes the be arranged from front to back One tooth peak 1131, the second tooth peak 1132 ... N tooth peak 113N, N are more than or equal to 2 (the same below).

In the present embodiment, handrail 10, stroke control mechanism 11, backrest-leg support link mechanism and leg support-footrest connecting rod The principle that mechanism controls device for self-care tool lies low is as follows:

As shown in Figures 1 to 4, fixed when physical disabilities, which control the notch on movable end 102, to be stuck at the first tooth peak 1131 101 drive backrest 2 of end is in the position vertical with seat 3, and backrest 2 drives leg support by first connecting rod 121 and second connecting rod 122 4 drive footrest 5 to be in folded state (as shown in the figure 1,2 institutes in the position being bonded when putting down naturally with human leg, leg support 4 Show) or in the state (as shown in figures 3 and 4) for forming acute angle with leg support 4；When physical disabilities control movable end 102 on notch from When first tooth peak 1131 is moved to the second tooth peak 1132, fixing end 101 pushes 2 back rotation of backrest, and backrest 2 is by pushing first Connecting rod 121 and second connecting rod 122 push leg support 4 to rotate forward, and leg support 4 pushes footrest 5 to move forward, third connecting rod 131 and the Double leval jib 132 drives footrest 5 to rotate, and increases the angle between footrest 5 and leg support 4；

Such as Fig. 5, shown in 6, third tooth is moved to from the second tooth peak 1132 when physical disabilities control the notch on movable end 102 When peak 1133, fixing end 101 pushes backrest 2 to continue back rotation, and backrest 2 is by pushing first connecting rod 121 and second connecting rod 122 The continuation of leg support 4 is pushed to rotate forward, leg support 4 pushes footrest 5 to continue to move along, and third connecting rod 131 and fourth link 132 drive Footrest 5 rotates, and continues to increase the angle between footrest 5 and leg support 4；Such as Fig. 7, shown in 8, when physical disabilities control movable end 102 On notch when being moved to the 4th tooth peak 1134 from third tooth peak 1133, backrest 2 is generally in horizontal horizontal state, and backrest 2 is logical It crosses and pushes first connecting rod 121 and second connecting rod 122 that leg support 4 is pushed to be in the horizontal tap-like with 2 roughly same height of backrest State, leg support 4 pushes footrest 5 to be in the horizontal state of level with 2 roughly same height of backrest.

In the present embodiment, the first tooth peak 1131, the second tooth peak 1132, third tooth peak 1133, between the 4th tooth peak 1134 Be equidistant, when the notch on movable end 102 moves between adjacent teeth peak, backrest 2 rotate angle be equal；Because living When notch on moved end 102 is moved to the 4th tooth peak 1134 from the first tooth peak 1131, backrest 2 turns to greatly from substantially vertical state The horizontal horizontal state of cause has rotated 90 °, so the notch on movable end 102 is moved to the second tooth peak from the first tooth peak 1131 1132, it is moved to third tooth peak 1133 from the second tooth peak 1132, when being moved to the 4th tooth peak 1134 from third tooth peak 1133, backrest The angle of 2 back rotations is equal, is 30 °.

In other embodiments, strip 113 includes N number of tooth peak, and the notch on movable end 102 is stuck in the first tooth peak 1131 When, backrest 2 is substantially vertical with seat 3, and when the notch of handrail 10 is stuck in N tooth peak 113N, backrest 2 is generally in horizontal tap-like State；If the distance between adjacent teeth peak is equal, the notch on movable end 102 is moved to n-th of tooth peak from (n-1)th tooth peak When, backrest 2 rotate angle be 90 °/(N-1), 2≤n≤N；If the distance between adjacent teeth peak is not all equal, movable end When notch on 102 moves between adjacent teeth peak, the angle that backrest 2 rotates is not all equal.Manufacturer can be according to reality Need to adjust the distance between adjacent teeth peak, the angle that adjustment backrest 2 rotates.

Such as Fig. 9, shown in 10, in the present embodiment, when physical disabilities' manipulation activities end 102 from the 4th tooth peak 1134 continue to After when moving, notch can not be blocked by the tooth peak on strip 113, and physical disabilities are rotated down handrail 10, make the fixation of handrail 10 End 101 rotates to concordant with seat 3, can be moved out of device for self-care tool from device for self-care tool left and right sides, convenient for the disabled Scholar is transferred to other places from device for self-care tool, such as on bed.

Such as Fig. 2, shown in 4,6,8,10, in the present embodiment, the bottom end of movable end 102 is provided with raised 102b, protrusion 102b is used to limit the movement of movable end 102, prevents movable end 102 from removing the appearance that the first folder 111 and the second folder 112 are formed Receive space.

As shown in Fig. 1 to 10, in the present embodiment, device for self-care tool further includes armrest pad 14, and the setting of armrest pad 14 exists The fixing end 101 of handrail 10.

As shown in Fig. 1 to 10, in the present embodiment, device for self-care tool further includes back support 15, back support 15 are flexibly connected with the back of backrest 2.

As shown in Figures 1 to 4, when backrest 2 is in the state substantially vertical with seat 3, back support 15 is close to backrest 2 Back；As shown in Fig. 7 to 10, when backrest 2 be generally in it is parallel with seat 3, i.e., in horizontal horizontal state when, back rest supports Part 15 rotates to vertical with backrest 2, is resisted against between ground and backrest 2, prevents device for self-care tool from toppling over.

As shown in Fig. 1 to 10, in the present embodiment, it is circular rectangular ring that back support 15, which is substantially in section,； The back support 15 is that shaft is flexibly connected with the back of backrest 2 by straight-flanked ring a line；In other embodiments, backrest Supporting element 15 can be the support rod being flexibly connected with backrest 2.

As shown in Fig. 1 to 10, in the present embodiment, one opposite with a line as shaft in back support 15 Supporting element 15a is provided on side；When backrest 2 is in horizontal horizontal state, back support 15 rotates to perpendicular to the ground, branch The bottom surface of support member 15a and ground face contact, the bottom surface of supporting element 15a is plane, increases contact of the back support 15 with ground Area provides more stable support for backrest 2.

Embodiment two

Such as Figure 12, shown in 13,14, the difference between this embodiment and the first embodiment lies in: (1) elastic supporting member for supporting optical member is using body of one who has dropped dead by the roadside U-shaped spring leaf, the U-shaped spring leaf include top surface, bottom surface and the joint face for connecting top and bottom；U-shaped spring leaf Top surface on be provided with shaft position-limit mechanism 94, shaft position-limit mechanism includes shaft pilot hole 93a；Shaft 61 is assemblied in shaft limit In the shaft pilot hole 93a of position mechanism 94, the bottom surface of U-shaped spring leaf is resisted against on the top surface of support wheel support portion 1a；(2) it drives Through hole is provided on wheel 6.

In the present embodiment, the joint face of U-shaped spring leaf is towards the front of device for self-care tool, the bottom of U-shaped spring leaf Face and the top of support wheel support portion 1a are fixedly connected by mechanical connection mechanism, such as threaded connection, and shaft 61 passes through Shaft pilot hole 93a is fixed on U-shaped spring leaf.

In other embodiments, shaft position-limit mechanism 94 is provided on the bottom surface of U-shaped spring leaf, shaft position-limit mechanism includes Shaft pilot hole 93a；The top surface of U-shaped spring leaf and the bottom end of support wheel support portion 1a pass through mechanical connection mechanism, such as screw thread Bindiny mechanism is fixedly connected, and shaft 61 is fixed on U-shaped spring leaf by shaft pilot hole 93a.

In other embodiments, the underrun mounting cup of U-shaped spring leaf and screw are resisted against the bottom of seat support portion 1b End；Mounting cup is fixedly connected with seat support portion 1b；Threaded hole is provided on mounting cup；Threaded hole is inserted screws into, screw is made Bottom end be pressed downward the bottom surface of U-shaped spring leaf, and then the bottom surface of U-shaped spring leaf is made to be resisted against the bottom end of seat support portion 1b.

In other embodiments, the bottom surface of U-shaped spring leaf is provided with shaft position-limit mechanism, and shaft position-limit mechanism includes shaft Pilot hole；The top surface of U-shaped spring leaf is resisted against the bottom end of support wheel support portion 1a by mounting cup and screw；Mounting cup and seat Support portion 1b is fixedly connected；Threaded hole is provided on mounting cup；Threaded hole is inserted screws into, pushes up the bottom end of screw upwards U-shaped The top surface of spring leaf, and then the top surface of U-shaped spring leaf is made to be resisted against the bottom end of seat support portion 1b；Shaft passes through shaft pilot hole It is fixed on U-shaped spring leaf.

In the present embodiment, the section of shaft position-limit mechanism 94 is annular, and shaft position-limit mechanism 94 is the top of U-shaped spring leaf Face is by curling by being integrally formed production, and in other embodiments, shaft position-limit mechanism 94 can pass through only with U-shaped spring leaf Vertical production, assembles.

In the present embodiment, it is provided with through hole on driving wheel 6, for mitigating the weight of driving wheel 6.

Embodiment three

As shown in figure 15, the difference between this embodiment and the first embodiment lies in, elastic supporting member for supporting optical member includes elastic element 95 and turns Axis supporting element 96；One end of rotating shaft support part 96 and seat support portion 1b are rotatablely connected；The other end of rotating shaft support part 96 is arranged There is shaft pilot hole 93a, and the end is fixedly connected with one end of elastic element 95；The other end of elastic element 95 is fixed on seat On support portion 1b.

In the present embodiment, elastic element is spring；Elastic element 95 acts on shaft since elastic deformation generates elastic force Supporting element 96, the component which faces upward perpendicular to ground act on driving wheel 6 in use state, and driving wheel 6 is by elastic member The elastic force of part 95 is in suspended state perpendicular to the component effect that ground faces upward or is overcome component effect to be in by external force With the state of ground face contact；When driving wheel 6 is in the state with ground face contact, elastic element is due to by external force elasticity The elastic force that deformation generates is greater than gravity suffered by driving wheel perpendicular to the component that ground faces upward；When driving wheel 6 is in non-with ground When state (i.e. the suspended state) of contact, component etc. that the elastic force that elastic element is generated due to elastic deformation faces upward perpendicular to ground The gravity suffered by driving wheel 6.

Example IV

The present embodiment is with the difference of embodiment three: the bottom end of elastic element is fixedly connected with support wheel support portion；Bullet The top of property element is fixedly connected with rotating shaft support part；Shaft pilot hole is provided on rotating shaft support part；Seat support portion is close Vertical guide rail is provided on side inside chair frame；Rotating shaft support part is set in the guide rail in seat support portion, in elastic member It is moved up and down under the elastic force effect of part along guide rail, and then driving wheel is driven to move up and down.

In the present embodiment, the guide rail of seat support portion side is set for groove along vertical direction.

In the present embodiment, elastic element is spring；Elastic element acts on shaft branch since elastic deformation generates elastic force Support member；In use state, driving wheel is in suspended state by the elastic force effect of elastic element or is overcome the bullet by external force Power effect is in the state with ground face contact；When driving wheel is in the state with ground face contact, elastic element is due to by outer Power acts on the elastic force that elastic deformation generates and is greater than gravity suffered by driving wheel；When driving wheel is in and the non-contacting state in ground When (i.e. suspended state), the elastic force that elastic element is generated as elastic deformation is equal to gravity suffered by driving wheel.

In other embodiments, the top of elastic element is fixedly connected with support wheel support portion；The bottom end of elastic element with Rotating shaft support part is fixedly connected；Shaft pilot hole is provided on rotating shaft support part.

Embodiment five

Such as Figure 16, shown in 17, the difference between the present embodiment and the second embodiment lies in that, seat support portion 1b uses rigid material system Make, support wheel support portion 1a is made by spring steel plate；Support wheel support portion 1a and seat support portion 1b is to assemble after independently making It forms.

In the present embodiment, support wheel support portion 1a is in arcuate；Support wheel support portion 1a is made of spring steel plate, is had Elasticity, for damping during device for self-care tool traveling.

In the present embodiment, U-shaped spring leaf is successively supported with support wheel support portion 1a by mounting cup and screw from bottom to top Lean against the bottom end of seat support portion 1b；Mounting cup is fixedly connected with seat support portion 1b；Threaded hole is provided on mounting cup；By spiral shell Nail is threaded into hole, and the top of screw is made to push up U-shaped spring leaf and support wheel support portion 1a upwards, and then makes U-shaped spring leaf and branch Support wheel support portion 1a is successively resisted against the bottom end of seat support portion 1b from bottom to top.

In the present embodiment, the top surface of U-shaped spring leaf is made into integration annular stop mechanism by curling, prevents U-shaped spring Piece is mobile, is also convenient for the positioning of U-shaped spring leaf.

The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to Embodiment is stated, technical solution belonging to the idea of the present invention belongs to the protection scope of the utility model.It should be pointed out that For those skilled in the art, several improvement without departing from the principle of the utility model and profit Decorations, these improvements and modifications also should be regarded as the protection scope of the utility model.

The vocabulary of relativeness such as " parallel ", " vertical " described in the utility model is not necessarily referring to proper absolute The relationship of " parallel ", " vertical ", but the visually substantially relationship of " parallel ", " vertical ".Do not conflicting in the utility model In the case where, each technical characteristic, component part or element, which can be combined according to the design needs, merge or split, to be obtained newly Embodiment, also belong to the protection scope of the utility model.Element, component, mechanism, component etc. are practical at this in the utility model It can be the combination of single part or more than two part compositions under novel design.

Claims

1. a kind of device for self-care tool, including chair frame and driving wheel；It is characterized in that, the driving wheel has relative to the chair frame There are first position and the second position；In a state of use, when the driving wheel is in first position relative to the chair frame, institute Driving wheel is stated in the state with ground face contact；When the driving wheel is in the second position relative to the chair frame, the drive Driving wheel is in and the non-contacting state in ground.

2. device for self-care tool according to claim 1, which is characterized in that at the driving wheel is relative to the chair frame When first position, the rotation axis of the driving wheel is far from the top of the chair frame；When the driving wheel is relative to the chair When frame is in the second position, the rotation axis of the driving wheel is close to the chair frame top.

3. device for self-care tool according to claim 2, which is characterized in that the device for self-care tool further includes being set to Shaft relocation mechanism in the chair frame；The shaft relocation mechanism can make the rotation axis of the driving wheel separate or lean on The nearly chair frame top.

4. device for self-care tool according to claim 3, which is characterized in that the device for self-care tool further includes being set to Support wheel assembly in the chair frame；The support wheel assembly includes front jockey wheel and rear-wheel；The front jockey wheel is located at described The side of the rotation axis of driving wheel, the rear-wheel are located at the other side of the rotation axis of the driving wheel or are located at the drive On the extended line direction of the rotation axis of driving wheel.

5. device for self-care tool according to claim 4, which is characterized in that the front jockey wheel is set to the chair frame Front lower place；The rear-wheel is set to the back lower place of the chair frame；The driving wheel is set to the side of the chair frame；It is described leading It is universal wheel to wheel；The rear-wheel is universal wheel or fast pulley.

6. a kind of device for self-care tool, including chair frame and driving wheel；It is characterized in that, the device for self-care tool further includes setting In the shaft relocation mechanism in the chair frame；The driving wheel is set on the shaft relocation mechanism；The shaft floating engine Structure can make the rotation axis of the driving wheel separate or close to the chair frame top.

7. device for self-care tool according to claim 6, which is characterized in that the device for self-care tool further includes being set to Support wheel assembly in the chair frame；The support wheel assembly includes front jockey wheel and rear-wheel；The front jockey wheel is located at described The side of the rotation axis of driving wheel, the rear-wheel are located at the other side of the rotation axis of the driving wheel or are located at described turn On the extended line direction of axis.

8. device for self-care tool according to claim 7, which is characterized in that the front jockey wheel is set to the chair frame Front lower place；The rear-wheel is set to the back lower place of the chair frame；The driving wheel is set to the side of the chair frame；It is described leading It is universal wheel to wheel；The rear-wheel is universal wheel or fast pulley.

9. device for self-care tool according to claim 8, which is characterized in that in a state of use, when the driving wheel is remote When from the chair frame top, the driving wheel is in the state with ground face contact；When the driving wheel is close to the chair frame top When, the driving wheel is in and the non-contacting state in ground.

10. according to device for self-care tool described in claim 4 or 5 or 7 or 8, which is characterized in that the chair frame includes support wheel Support portion；The front jockey wheel is fixed on the front end of the support wheel support portion；The rear-wheel is fixed on the support wheel support The rear end in portion；The support wheel support portion is made of spring steel plate.

11. according to device for self-care tool described in claim 3-9 any one, which is characterized in that the shaft relocation mechanism Including elastic supporting member for supporting optical member；The driving wheel includes shaft；The shaft is set to chair frame by elastic supporting member for supporting optical member；The shaft by The top of the separate or close chair frame of elastic force effect of elastic supporting member for supporting optical member.

12. device for self-care tool according to claim 11, it is characterised in that: the elastic supporting member for supporting optical member includes elastic element With rotating shaft support part；One end of the elastic element is fixed in the chair frame, the other end and the fixed company of the rotating shaft support part It connects；Shaft pilot hole is provided on the rotating shaft support part；The shaft pilot hole is for assembling shaft.

13. device for self-care tool according to claim 12, it is characterised in that: one end of the rotating shaft support part with it is described Chair frame rotation connection；The other end of the rotating shaft support part is provided with shaft pilot hole, and the end and the one of the elastic element End is fixedly connected, and the other end of the elastic element is fixed in the chair frame.

14. device for self-care tool according to claim 12, it is characterised in that: the bottom end of the elastic element and the chair Frame is fixedly connected, and the top of the elastic element is fixedly connected with the rotating shaft support part, or, the top of the elastic element with The chair frame is fixedly connected, and the bottom end of the elastic element is fixedly connected with the rotating shaft support part；The chair frame is provided with confession The guide rail that the rotating shaft support part moves up and down.

15. device for self-care tool according to claim 11, it is characterised in that: the elastic supporting member for supporting optical member is spring leaf, institute Spring leaf is stated to be fixed in the chair frame；The spring leaf is equipped with the shaft pilot hole for assembling the shaft.

16. device for self-care tool according to claim 15, it is characterised in that: the spring leaf includes that spring leaf is fixed Section, driving wheel fixed section and the linkage section for connecting spring piece fixed section and driving wheel fixed section；The spring leaf is fixed Section is fixed in the chair frame, and the driving wheel fixed section is provided with shaft pilot hole.

17. device for self-care tool according to claim 15, it is characterised in that: the spring leaf include top surface, bottom surface with And the joint face for connecting top and bottom；The top surface is provided with shaft position-limit mechanism, and the shaft position-limit mechanism includes Shaft pilot hole, the bottom surface are fixedly connected with the chair frame, or, the bottom surface is provided with shaft position-limit mechanism, the shaft Position-limit mechanism includes shaft pilot hole, and the top surface is fixedly connected with the chair frame.

18. device for self-care tool according to claim 17, it is characterised in that: the top surface and the bottom surface are put down to be mutual Capable plane, the joint face are curved surface.

19. device for self-care tool according to claim 18, it is characterised in that: the spring leaf section is the U-shaped of body of one who has dropped dead by the roadside.

20. device for self-care tool described in -9 any one according to claim 1, it is characterised in that: the driving wheel is set to Among the chair frame side.

21. device for self-care tool described in -9 any one according to claim 1, it is characterised in that: further include seat；The chair Defecating hole is provided on seat.

22. device for self-care tool according to claim 21, it is characterised in that: height of the seat apart from ground is greater than Height equal to closestool apart from ground.

23. device for self-care tool according to claim 21, it is characterised in that: post sealing ring in the back of the seat； The sealing ring is provided with through hole corresponding with the defecating hole；The sealing ring is for preventing odor dispersion when defecation from going out It goes.

24. device for self-care tool described in -9 any one according to claim 1, it is characterised in that: the device for self-care tool Including seat, backrest-leg support link mechanism and leg support-footrest link mechanism；The backrest-leg support link mechanism includes leaning on Back, leg support and first connecting rod component；The leg support-footrest link mechanism includes leg support, footrest and second connecting rod component；Institute The front end for stating backrest is connect with the rear end thereof of the seat；The rear end of the leg support and the front end of the seat are rotatablely connected； The rear end of the footrest and the front end of the leg support are rotatablely connected；One end of the first connecting rod component is connect with the backrest, The other end of first connecting rod component is connect with the leg support, and first connecting rod component is for making the leg support and the back-rest linked； One end of the second connecting rod component is connect with the seat, and the other end is connect with the footrest, for making the footrest and institute State leg support linkage.

25. device for self-care tool according to claim 24, it is characterised in that: further include handrail and stroke adjustment machine Structure；The handrail includes fixing end and movable end；The fixing end of the handrail and the backrest are rotatablely connected；The handrail is in institute It states and is rotated under the control of stroke control mechanism, the backrest is driven to rotate.

26. device for self-care tool according to claim 25, it is characterised in that: the movable end of the handrail is provided with scarce Mouthful；The stroke control mechanism includes the strip being fixed in the chair frame；It is arranged on the strip corresponding with the notch Multiple sawtooth；When at the sawtooth that the notch is stuck in forefront, handrail control backrest, leg support and footrest are in sitting posture shape State；When the notch moves between different sawtooth, handrail controls backrest rotation, and backrest pushes leg support rotation, and leg support pushes Footrest rotation；When the notch is moved to the sawtooth beyond rearmost, backrest, leg support and footrest turn to lying type State；

Or, the movable end of the handrail is provided with protrusion；The stroke control mechanism includes the bottom being fixed in the chair frame , multiple limiting slots corresponding with the protrusion are arranged on the pedestal；When the protrusion is stuck in the limit of forefront When at slot, handrail control backrest, leg support and footrest are in sitting posture state；When the protrusion moves between different limiting slots When, handrail controls backrest rotation, and backrest pushes leg support rotation, and leg support pushes footrest rotation；Exceed when the protrusion is moved to When the limiting slot of rearmost, backrest, leg support and footrest turn to lying status；

Or, the movable end of the handrail is provided with limiting slot；The stroke control mechanism includes the bottom being fixed in the chair frame , multiple protrusions corresponding with the limiting slot are arranged on the pedestal；When the limiting slot is stuck in the protrusion of forefront When at portion, handrail control backrest, leg support and footrest are in sitting posture state；When the limiting slot moves between different protrusions When, handrail controls backrest rotation, and backrest pushes leg support rotation, and leg support pushes footrest rotation；Exceed when the limiting slot is moved to When the protrusion of rearmost, backrest, leg support and footrest turn to lying status.

27. device for self-care tool according to claim 24, it is characterised in that: the first connecting rod component includes the first company Bar and second connecting rod；One end of the first connecting rod is fixedly connected with the backrest, one end of the other end and the second connecting rod Rotation connection；The other end of the second connecting rod and the leg support are rotatablely connected.

28. device for self-care tool according to claim 24, it is characterised in that: the second connecting rod component includes that third connects Bar and fourth link；One end of the third connecting rod is connect with the seat rotating, one end of the other end and the fourth link Rotation connection；The other end of the fourth link is fixedly connected with the footrest.