Wheelchair for cerebral palsy children

Abstract

The application discloses a wheelchair for cerebral palsy children, which comprises a supporting frame, a seat plate assembly and an adjusting assembly, wherein the supporting frame comprises a horizontal rod, two vertical rods, two horizontal plates and two handrails, the top ends of the two vertical rods are fixedly connected with the horizontal rod, the bottom ends of the two vertical rods are fixedly connected with the top surfaces of one end of the two horizontal plates respectively, and the two handrails are slidingly connected with the front surfaces of the two vertical rods respectively; the seat plate assembly comprises a fixed seat plate, movable seat plates and a driving piece, the two sides of the fixed seat plate are slidingly positioned on the two vertical rods through sliding blocks, the top surface of the fixed seat plate is provided with a through seat hole, the opposite side walls in the seat hole are provided with avoiding grooves respectively, and the two movable seat plates are slidingly connected with the avoiding grooves respectively. The wheelchair is controlled by the adjusting assembly to move the fixed seat plate upwards and then above the toilet, and then the two movable seat plates are driven to move away from each other, so that the seat hole is opened, and the cerebral palsy children can directly go to the toilet without leaving the fixed seat plate.

Description

Technical Field

[0001] The present invention relates to the technical field of medical assistive devices, and in particular to a wheelchair for children with cerebral palsy. Background Art

[0002] Cerebral palsy is the main cause of physical disability in children and is a lifelong condition. Currently, there is no better treatment method, which brings huge mental and economic burdens to patients, families and society. In related technologies, children with cerebral palsy need to sit in a wheelchair for a long time during the later rehabilitation treatment. A wheelchair is a chair with wheels that can help replace walking. It is divided into electric and manual folding wheelchairs. It is an important means of transportation for the wounded, sick and disabled for home rehabilitation, turnover transportation, medical treatment and outdoor activities. It not only meets the needs of people with physical disabilities and mobility difficulties, but more importantly, it is convenient for family members to move and care for patients, and enables patients to exercise and participate in social activities with the help of wheelchairs.

[0003] Currently, in life, when a child with cerebral palsy needs to go to the toilet while sitting in a wheelchair, a caregiver is required to pick up the child and place him / her on the toilet. After going to the toilet, the caregiver is required to pick up the child and place him / her back on the wheelchair. The whole process is extremely inconvenient for the child with cerebral palsy and his / her caregiver. Summary of the Invention

[0004] In view of the shortcomings of the existing technology, the present invention proposes a wheelchair for children with cerebral palsy, which solves the problem that when a child with cerebral palsy needs to go to the toilet while sitting in a wheelchair, the child needs to be picked up and carried back and forth by a caregiver, which causes great inconvenience to the child with cerebral palsy and his or her caregiver.

[0005] In order to solve the above technical problems, the technical solution adopted by the present invention is:

[0006] A wheelchair for children with cerebral palsy, comprising:

[0007] The support frame includes a horizontal bar, two vertical bars, two horizontal boards and two handrails. The horizontal bar is fixedly connected between the top ends of the two vertical bars. The bottom ends of the two vertical bars are respectively fixedly connected to the top surfaces of one end of the two horizontal boards. The two handrails are respectively slidably connected to the front faces of the two vertical bars.

[0008] A seat plate assembly, comprising a fixed seat plate, a movable seat plate and a driving member, wherein a T-shaped slide groove is provided on the front sides of the outer sides of the two vertical rods, a T-shaped slider is provided in each slide groove, the front sides of the two sliders are fixedly connected to the back side of the fixed seat plate, a through seat hole is provided on the top surface of the fixed seat plate, avoidance grooves are provided on the opposite side walls of the seat hole, there are two movable seat plates, one end of the two movable seat plates are respectively inserted into the avoidance grooves for sliding connection, and the movable seat plate is driven to slide in the avoidance grooves by the driving member; and

[0009] An adjusting assembly is used to adjust the height position of the fixed seat plate and the armrest.

[0010] The height of the fixed seat plate of the wheelchair for children with cerebral palsy is adjusted, then the transverse plate is moved, so that the fixed seat plate is moved above the toilet; then the two movable seat plates are driven to move in opposite directions in the avoiding grooves by the driving members, so as to open the seat hole, so that the child with cerebral palsy can directly go to the toilet without leaving the fixed seat plate, thereby reducing the labor intensity of the accompanying person and facilitating operation.

[0011] Further, the number of driving members is two, the two driving members respectively drive the two movable seat plates to move in opposite directions, the driving member comprises a first motor, a driving rod, a first gear and a second gear, the driving rod is fixedly connected to the side of the two movable seat plates away from each other, the outer side of each driving rod is threadedly sleeved with a sleeve, the outer side of each sleeve is rotatably sleeved with a second gear, the two first motors are fixedly arranged on the inner bottom wall of the avoiding groove near the front side, the outer side of the output shaft of the two first motors is fixedly sleeved with a first gear, the first gear and the second gear are rotatably connected through a chain, the outer side of the sleeve is fixedly sleeved with a limiting sleeve on both sides, and the top side of the two limiting sleeves is fixedly connected to the inner fixed wall of the avoiding groove.

[0012] Further, the top surface of the two movable seat plates away from each other is provided as an inclined surface, and the opposite two side walls in the seat hole are also provided as inclined surfaces, so that the inclined surface of the side edge of the movable seat plate can slide with the inclined surface of the side wall in the seat hole.

[0013] Further, the top surface of the movable seat plate and the part position in the seat hole are covered with a soft pad, the four perimeters of the soft pad are fixedly connected with the top surface of the movable seat plate, a cavity is arranged between the soft pad and the movable seat plate, and a plurality of uniformly distributed springs are arranged in the cavity.

[0014] Further, the adjusting assembly comprises a second motor, a pull-down rope and a lower winding wheel, the interiors of the two armrests are provided with accommodating cavities, the two second motors are fixedly arranged in the two accommodating cavities, the outer sides of the two vertical rods and above the sliding blocks are slidably sleeved with sliding sleeves, the ends of the two armrests close to the corresponding vertical rods are fixedly connected to the outer walls of the two sliding sleeves, the output shafts of the two second motors are fixedly connected with shafts, the ends of the two shafts away from the corresponding second motors are rotatably penetrated through the two sliding sleeves and respectively extended into the interiors of the corresponding sliding grooves, the lower winding wheel is limitingly slid in the sliding groove through a ring block, and the outer side of the end of the shaft in the corresponding sliding groove is coaxially connected with the lower winding wheel through a limiting piece, one end of the pull-down rope is fixedly connected to the top of the sliding block, and the other end is wound on the lower winding wheel.

[0015] Further, the adjusting assembly further comprises an upper pull rope and an upper winding wheel, the upper winding wheel is limited to slide in the sliding groove through the annular block, and the upper winding is sleeved outside the end of the rotating shaft located in the sliding groove through the limiting piece, one end of the upper pull rope is fixedly connected to the inner fixed wall of the sliding groove, the other end is wound on the upper winding wheel, the upper winding wheel is arranged in the interval with the lower winding wheel, and the upper winding wheel is located on the side close to the handrail.

[0016] Further, the limiting piece comprises a limiting sheet and a limiting strip, the rotating shaft is provided with a sliding groove on the top side, the limiting strip is slidably arranged in the sliding groove, and the bottom end of the limiting sheet is fixedly connected to the outer side of the end of the limiting strip located in the sliding groove.

[0017] Further, the limiting piece further comprises an adjusting rod and an adjusting ring, the end of the rotating shaft located in the accommodating cavity is provided with an annular groove in communication with the sliding groove, the adjusting ring is rotatably sleeved in the annular groove, and the adjusting ring can slide in the annular groove.

[0018] Further, the inner side wall of the adjusting groove is provided with two accommodating grooves, the distance between the two accommodating grooves is equal to the distance between the opposite sides of the upper winding wheel and the lower winding wheel, and the top end of the adjusting rod can be inserted into the accommodating groove in the corresponding position and connected in a clamped manner.

[0019] The brain palsy wheelchair has the advantages that: by moving the adjusting rod into the accommodating grooves in two different positions, the limiting sheet is inserted into the slot on the upper winding wheel or the slot on the lower winding wheel, so that the height positions of the fixed seat plate and the handrail are adjusted, so that the brain palsy child feels comfortable when sitting on the fixed seat plate; when the brain palsy child needs to go to the toilet, the height of the fixed seat plate is raised to be higher than the height of the closestool by starting the second motor, the wheelchair is pushed, and the fixed seat plate is moved above the closestool; at the same time, the first motor is started, the two movable seat plates are separated, and the seat hole is opened, so that the child can go to the toilet, so that the accompanying person does not need to carry the child back and forth, the labor intensity of the accompanying person is reduced, and the operation is convenient. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the specific embodiments of the present application, the drawings needed to be used in the specific embodiments will be briefly introduced. In all the drawings, the elements or parts are not necessarily drawn according to the actual proportion.

[0021] Figure 1 is a top view of the present application;

[0022] Figure 2 is a side view of the present application;

[0023] Figure 3 is a top view of the seat plate assembly;

[0024] Figure 4 is a sectional view of the seat plate assembly (a is the open state of the sitting hole, b is the closed state of the sitting hole);

[0025] Figure 5 is an enlarged view of part of the structure of the seat plate assembly;

[0026] Figure 6 is a structure diagram of the adjusting assembly;

[0027] Figure 7 is an enlarged view of part of the structure of the adjusting assembly;

[0028] Figure 8 is a side view of the lower winding wheel;

[0029] Figure 9 is a structure diagram of the connection between the adjusting rod and the adjusting ring;

[0030] Figure 10 is a top view of the handrail;

[0031] Reference signs:

[0032] 10 - support frame, 11 - horizontal rod, 12 - vertical rod, 121 - sliding groove, 122 - limiting vertical groove, 13 - horizontal plate, 14 - handrail, 141 - accommodating cavity, 142 - adjusting groove, 15 - sliding block, 16 - sliding sleeve;

[0033] 20 - seat plate assembly, 21 - fixed seat plate, 211 - sitting hole, 212 - avoiding groove, 22 - movable seat plate, 23 - driving member, 231 - first motor, 232 - driving rod, 233 - first gear, 234 - second gear, 235 - screw sleeve, 236 - limiting sleeve, 237 - chain, 24 - soft pad, 25 - spring;

[0034] 30-adjusting assembly, 31-second motor, 311-sliding groove, 312-ring groove, 313-rotating shaft, 32-pull-down rope, 33-lower winding wheel, 34-pull-up rope, 35-upper winding wheel, 36-ring block, 37-limiting piece, 371-limiting sheet, 372-limiting strip, 373-adjusting rod, 374-adjusting ring, 375-rotating groove, 376-containing groove, 38-slot, 39-perforation;

[0035] 40-roller. DETAILED DESCRIPTION

[0036] The embodiments of the technical solutions of the present application will be described in detail below with reference to the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solutions of the present application, and therefore only serve as examples, and cannot limit the protection scope of the present application.

[0037] In the description of the present application, it should be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the present application and simplify the description, and do not indicate or imply that the indicated position or element must have a particular orientation, be constructed and operated in a particular manner, and therefore cannot be understood as a limitation on the present application.

[0038] In addition, the terms "first", "second" are only used for description purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more features. In the description of the present application, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0039] Please refer to Figures 1 to 2The application provides a wheelchair for cerebral palsy children, which comprises a support frame 10 and a seat plate assembly 20, the support frame 10 comprises a cross rod 11, two vertical rods 12, two cross plates 13 and two handrails 14, the cross rod 11 is fixedly connected between the top ends of the two vertical rods 12, the bottom ends of the two vertical rods 12 are fixedly connected to the top surfaces of one ends of the two cross plates 13 respectively, the two handrails 14 are slidingly connected to the front surfaces of the two vertical rods 12 respectively, the seat plate assembly 20 comprises a fixed seat plate 21, a movable seat plate 22 and a driving piece 23, T-shaped sliding grooves 121 are arranged on the front surfaces of the outer sides of the two vertical rods 12, T-shaped sliding blocks 15 are arranged in each sliding groove 121, the front surfaces of the two sliding blocks 15 are fixedly connected to the back surface of the fixed seat plate 21, a through seat hole 211 is arranged on the top surface of the fixed seat plate 21, avoiding grooves 212 are arranged on the opposite side walls in the seat hole 211, the number of the movable seat plates 22 is two, one end of each of the two movable seat plates 22 is slidingly connected into the avoiding groove 212, the movable seat plates 22 are driven to slide in the avoiding grooves 212 by the driving piece 23, and an adjusting assembly 30 is used for adjusting the height positions of the fixed seat plate 21 and the handrails 14. Wherein, the bottom surfaces of the two ends of the two cross plates 13 are provided with rollers 40, the top surface of the fixed seat plate 21 is provided with a soft pad 24, and the movement of the device is facilitated.

[0040] In use, the height of the fixed seat plate 21 is adjusted according to the body length of different cerebral palsy children, so that the cerebral palsy children can sit comfortably, when the cerebral palsy children need to go to the toilet, the height of the fixed seat plate 21 is adjusted by controlling the adjusting assembly 30, then the cross plate 13 is moved, so that the fixed seat plate 21 is moved to be above the toilet, then the two movable seat plates 22 are driven to move in the avoiding grooves 212 in opposite directions by the driving piece 23, so as to open the seat hole 211, so that the cerebral palsy children can directly go to the toilet without leaving the fixed seat plate 21, so that the accompanying personnel do not need to hold the cerebral palsy children from the wheelchair to go to the toilet.

[0041] Please see Figure 3 、 Figures 4 to 5Specifically, the number of the driving members 23 is two, the two driving members 23 respectively drive the two movable seat plates 22 to move in the same direction or opposite directions, the driving member 23 comprises a first motor 231, a driving rod 232, a first gear 233 and a second gear 234, the driving rod 232 is fixedly connected to the side of the two movable seat plates 22 away from each other, the outer side of each driving rod 232 is threadedly sleeved with a sleeve nut 235, the outer side of each sleeve nut 235 is rotatably sleeved with the second gear 234, the two first motors 231 are fixedly arranged on the inner bottom wall of the avoiding groove 212 near the front side, the outer side of the output shaft of each first motor 231 is fixedly sleeved with the first gear 233, the first gear 233 and the second gear 234 are rotatably connected through a chain 237, the outer side of the sleeve nut 235 is fixedly sleeved with a limiting sleeve 236, and the top side of the two limiting sleeves 236 is fixedly connected to the inner fixed wall of the avoiding groove 212. The two first motors 231 are synchronously started, so that the two movable seat plates 22 can move synchronously, and the rotating directions of the two first motors 231 are opposite, so that the rotating directions of the two sleeve nuts 235 are also opposite.

[0042] When the wheelchair is pushed to move the fixed seat plate 21 above the toilet, the two first motors 231 are started to drive the first gears 233 to rotate in the positive direction, the chain 237 and the second gears 234 are transmitted to drive the screw rod sleeve nuts 235 to rotate, the two driving rods 232 are moved away from each other due to the threaded connection between the sleeve nuts 235 and the driving rods 232, and then the two movable seat plates 22 are also moved away from each other, so that the two side surfaces of the two movable seat plates 22 away from each other are separated from each other, the seat hole 211 is opened, and the children with cerebral palsy can sit on the fixed seat plate 21 to use the toilet, which is very convenient. After the children with cerebral palsy finish using the toilet, the two first motors 231 are reversely rotated to drive the two movable seat plates 22 to move away from each other, so that the seat hole 211 is closed.

[0043] Preferably, the two sides of the two movable seat plates 22 away from each other are provided with inclined surfaces, and the opposite two side walls in the seat hole 211 are also provided with inclined surfaces, so that the inclined surfaces of the movable seat plates 22 can slide with the inclined surfaces of the side walls in the seat hole 211. The inclined surfaces make the end of the movable seat plate 22 more easily drawn into the avoiding groove 212 from the seat hole 211.

[0044] Further, the top surface of the movable seat plate 22 and the part located in the seat hole 211 are covered with a soft pad 24, the four perimeters of the soft pad 24 are fixedly connected with the top surface of the movable seat plate 22, a cavity is arranged between the soft pad 24 and the movable seat plate 22, and a plurality of springs 25 are arranged in the cavity.

[0045] When the two movable seat plates 22 block the seat holes 211, the soft cushions 24 on the movable seat plates 22 are flush with the soft cushions 24 of the fixed seat plate 21, avoiding unevenness and making the cerebral palsy children sit comfortably; when the movable seat plates 22 slide into the avoiding grooves 212, the soft cushions 24 on the movable seat plates 22 are pressed downward, at this time the springs 25 contract, and the height of the soft cushions 24 on the movable seat plates 22 is lowered, so that the movable seat plates 22 can slide into the avoiding grooves 212; when the soft cushions 24 on the movable seat plates 22 slide out of the avoiding grooves 212 and enter the seat holes 211, the soft cushions 24 on the movable seat plates 22 are restored to the original state by the restoring force of the springs 25, and are flush with the soft cushions 24 of the fixed seat plate 21 again.

[0046] As Figure 2 , Figure 6 and Figure 7 , in the embodiment, the adjusting assembly 30 is used for lifting the fixed seat plate 21 and the movable seat plates 22, the adjusting assembly 30 comprises two second motors 31, two pull-down ropes 32 and two lower winding wheels 33, the interiors of the two armrests 14 are respectively provided with accommodating cavities 141, the two second motors 31 are respectively fixedly arranged in the two accommodating cavities 141, the outer sides of the two vertical rods 12 and above the sliding blocks 15 are respectively slidably provided with sliding sleeves 16, the ends of the two armrests 14 close to the corresponding vertical rods 12 are respectively fixedly connected to the outer walls of the two sliding sleeves 16, the output shafts of the two second motors 31 are respectively fixedly connected with rotating shafts 313, the ends of the two rotating shafts 313 away from the corresponding second motors are respectively rotatably penetrated through the two sliding sleeves 16 and respectively extended into the interiors of the corresponding sliding grooves 121, the lower winding wheels 33 are limitingly slid in the sliding grooves 121 through the annular blocks 36, and the outer sides of the ends of the rotating shafts 313 in the corresponding sliding grooves 121 are coaxially connected with the lower winding wheels 33 through the limiting pieces 37, one end of each pull-down rope 32 is fixedly connected to the top of the sliding block 15, and the other end is wound on the lower winding wheel 33.

[0047] When it is needed to adjust the height of the fixed seat plate 21, the two second motors 31 are started to synchronously rotate in the forward direction, driving the two lower winding wheels 33 to rotate, so that the lengths of the pull-down ropes 32 are continuously wound on the lower winding wheels 33, with the lengths of the pull-down ropes 32 shortened, the sliding blocks 15 are driven to move upward in the sliding grooves 121, and then the height of the fixed seat plate 21 is raised, so that the height of the fixed seat plate 21 is higher than the height of the closestool, so as to move the fixed seat plate 21 above the closestool; when it is needed to adjust the height of the fixed seat plate 21, the two second motors 31 are started to synchronously rotate in the reverse direction, so that the height of the fixed seat plate 21 is lowered to the height for sitting.

[0048] Preferably, the adjusting assembly 30 further comprises an upper pull rope 34 and an upper winding wheel 35, the upper winding wheel 35 is slidingly positioned in the sliding groove 121 through a ring-shaped block 36, and the upper winding is sleeved outside the end of the rotating shaft 313 located in the sliding groove 121 through a limiting piece 37, one end of the upper pull rope 34 is fixedly connected to the inner fixed wall of the sliding groove 121, and the other end is wound on the upper winding wheel 35, the upper winding wheel 35 is arranged in a spaced manner with the lower winding wheel 33, and the upper winding wheel 35 is located on the side close to the handrail 14.

[0049] When the height of the handrail 14 is adjusted according to the needs of different children with cerebral palsy, the two second motors 31 are started to synchronously rotate in the forward direction, driving the two upper winding wheels 35 to rotate, so that the length of the upper pull rope 34 is continuously wound on the upper winding wheel 35, and as the length of the upper pull rope 34 is shortened, the upper pull rope 34 drives the upper winding wheel 35 to move upwards in the sliding groove 121, thereby making the height of the handrail 14 and the sliding sleeve 16 rise, so that the arm of the child with cerebral palsy can be comfortably placed at a suitable height position; when the height of the handrail 14 is adjusted, the two second motors 31 are started to synchronously rotate in the reverse direction.

[0050] Please refer to Figure 8 , Figure 9 and Figure 10 In the embodiment, the limiting piece 37 comprises a limiting sheet 371 and a limiting strip 372, the top side of the rotating shaft 313 is provided with a sliding groove 311, the limiting strip 372 is slidingly arranged in the sliding groove 311, the bottom end of the limiting sheet 371 is fixedly connected to the outer side of the end of the limiting strip 372 located in the sliding groove 121, the axis positions of the upper winding wheel 35 and the lower winding wheel 33 are provided with through holes 39, a plurality of strip grooves 38 are formed in the circumferential inner wall of each through hole 39, when the rotating shaft 313 is sleeved in the two through holes 39, the limiting sheet 371 can be inserted into the strip grooves 38 on the upper winding wheel 35 or the strip grooves 38 on the lower winding wheel 33 for clamping connection. Among them, the side surfaces of the strip grooves 38 on the upper winding wheel 35 and the strip grooves 38 on the lower winding wheel 33, which are away from each other, are closed ends, so as to avoid the limiting sheet 371 from moving too much and sliding out to the outside of the strip grooves 38.

[0051] In order to facilitate the adjustment of the height of the fixed seat plate 21, when the limiting strip 372 is pushed to move in the sliding groove 311 to the direction of the lower winding wheel 33, the limiting piece 371 is inserted into the strip groove 38 on the corresponding lower winding wheel 33 to be connected, at this time, after the second motor 31 is started, the lower winding wheel 33 can be rotated synchronously with the rotating shaft 313 through the limiting piece 371; when the limiting strip 372 is pushed to move in the sliding groove 311 to the direction of the upper winding wheel 35, the limiting piece 371 is inserted into the strip groove 38 on the corresponding upper winding wheel 35 to be connected, at this time, after the second motor 31 is started, the upper winding wheel 35 can be rotated synchronously with the rotating shaft 313 through the limiting piece 371; so that the limiting piece 371 is inserted into the strip groove 38 on the upper winding wheel 35 or the strip groove 38 on the lower winding wheel 33, the height of the handrail 14 or the fixed seat plate 21 is adjusted.

[0052] Preferably, the limiting piece 37 further comprises an adjusting rod 373 and an adjusting ring 374, the end portion of the rotating shaft 313 located outside the containing cavity 141 is provided with a ring groove 312 in communication with the sliding groove 311, the adjusting ring 374 is rotatably sleeved in the ring groove 312, and the adjusting ring 374 can slide in the ring groove 312, the end portion of the limiting strip 372 is fixedly connected with the side surface of the adjusting ring 374, the top surface of each handrail 14 is provided with an adjusting groove 142 in communication with the containing cavity 141, the bottom surface of the adjusting rod 373 is provided with a reverse V-shaped structure rotating groove 375, the bottom end of the adjusting rod 373 extends to the inside of the containing cavity 141 through the adjusting groove 142, and the outside edge of the adjusting ring 374 is inserted into the rotating groove 375 to be connected, when the outside edge of the adjusting ring 374 is tightly inserted into the rotating groove 375, the adjusting rod 373 is driven to rotate in the circumferential direction in the adjusting groove 142, so that the adjusting rod 373 can synchronously rotate with the adjusting ring 374 in the ring groove 312. Wherein, the width of the sliding groove 311 is greater than the width of the limiting strip 372, so that the adjusting ring 374 can drive the limiting strip 372 to move in the sliding groove 311, and the end portion of the limiting strip 372 is inserted into the corresponding strip groove 38.

[0053] By pushing the adjusting rod 373 to move to the direction of the sliding sleeve 16 outside the handrail 14, the adjusting ring 374 is driven to move in the ring groove 312, and then the adjusting ring 374 drives the limiting strip 372 to move, so that the limiting piece 371 is inserted into the strip groove 38 on the lower winding wheel 33; sometimes, because the position of the limiting piece 371 and the strip groove 38 on the lower winding wheel 33 does not correspond, the adjusting rod 373 can be rotated to drive the adjusting ring 374 to rotate in the ring groove 312 to adjust the position, so that the corresponding strip groove 38 is inserted.

[0054] Further, the inner side wall of the adjusting groove 142 is provided with two accommodating grooves 376, the distance between the two accommodating grooves 376 is equal to the distance between the opposite sides of the upper winding wheel 35 and the lower winding wheel 33, and the top end of the adjusting rod 373 can be inserted into the corresponding accommodating groove 376 for clamping connection. When the adjusting rod 373 is moved to the position of the accommodating groove 376 close to the sliding sleeve 16, the limiting piece 371 can be inserted into the strip groove 38 on the lower winding wheel 33, and when the adjusting rod 373 is moved to the position of the accommodating groove 376 away from the sliding sleeve 16, the limiting piece 371 can be inserted into the strip groove 38 on the upper winding wheel 35, so that the distance of the moving limiting piece 371 can be accurately controlled, and the limiting piece 371 can be inserted into the strip groove 38 at the required position, which is convenient and fast. When the upper winding wheel 35 or the lower winding wheel 33 rotates, the height position of the bottom end of the adjusting rod 373 can be raised, so that the adjusting ring 374 is separated from the bottom end of the adjusting rod 373, and at this time the top of the adjusting rod 373 is clamped in the accommodating groove 376 and is fixed.

[0055] The working principle of the present application is as follows: in use, according to the height of the child with cerebral palsy, the adjusting rod 373 is moved to the position of the accommodating groove 376 close to the sliding sleeve 16, so that the limiting piece 371 is inserted into the strip groove 38 on the lower winding wheel 33, the second motor 31 is started, and the height of the fixed seat plate 21 is lowered, so that the handrail 14 and the fixed seat plate 21 have a suitable distance; then the adjusting rod 373 is moved to the position of the accommodating groove 376 away from the sliding sleeve 16, so that the limiting piece 371 is inserted into the strip groove 38 on the upper winding wheel 35, the second motor 31 is started, and the height of the handrail 14 is raised, and at the same time the fixed seat plate 21 is also raised synchronously, so that the fixed seat plate 21 is moved to a suitable height.

[0056] When the child with cerebral palsy needs to use the toilet, the adjusting rod 373 is moved to the position of the accommodating groove 376 away from the sliding sleeve 16, the second motor 31 is started, and the height of the fixed seat plate 21 is raised, then the wheelchair is pushed to move the fixed seat plate 21 above the toilet, at this time the two horizontal plates 13 are located on the two sides of the toilet respectively; then the two first motors 231 are started to drive the first gears 233 to rotate in the forward direction, the chain 237 and the second gear 234 are transmitted to drive the screw sleeve 235 to rotate, and since the screw sleeve 235 is in threaded connection with the driving rod 232, the two driving rods 232 are moved in directions away from each other, and then the two movable seat plates 22 are also moved in directions away from each other, so that the two sides of the two movable seat plates 22 that are opposite to each other are separated from each other, the seat hole 211 is opened, and the child with cerebral palsy can sit on the fixed seat plate 21 to use the toilet; after the child with cerebral palsy finishes using the toilet, the two first motors 231 are rotated in the reverse direction to drive the two movable seat plates 22 to move and abut each other to close the seat hole 211.

[0057] When it is worth noting that if the squatting pan is in the toilet, then the fixed seat plate 21 is lowered to a suitable height.

[0058] The cerebral palsy wheelchair has the advantages that: the cerebral palsy wheelchair adjusts the height positions of the fixed seat plate 21 and the handrails 14 by moving the adjusting rod 373 into the accommodating grooves 376 in two different positions, so that the limiting pieces 371 are inserted into the strip grooves 38 on the upper winding wheel 35 or the strip grooves 38 on the lower winding wheel 33, so that the cerebral palsy child feels comfortable when sitting on the fixed seat plate 21; when the cerebral palsy child needs to go to the toilet, the second motor 31 is started to raise the height of the fixed seat plate 21 to be higher than the height of the closestool, so that the wheelchair is pushed to move the fixed seat plate 21 above the closestool; meanwhile, the first motor 231 is started to separate the two movable seat plates 22 and open the seat holes 211, so that the child can go to the toilet, so that the accompanying person does not need to move the child back and forth, and the labor intensity of the accompanying person is reduced, and the operation is convenient.

[0059] The above examples are only used to illustrate the technical solutions of the present application, but not limit the present application; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that the technical solutions recorded in the foregoing examples can be modified, or some or all of the technical features can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application, and they should be covered in the scope of the claims and the specification of the present application.

Claims

1. A wheelchair for cerebral palsy children, characterized by, The utility model relates to a kind of supporting frame, seat plate assembly and adjusting assembly, including: Support frame, the support frame includes crossbar and two vertical poles, two horizontal plates and two handrails, the top end between two vertical poles is fixedly connected with crossbar, the bottom end of two vertical poles is fixedly connected in the top surface of one end of two horizontal plates respectively, two handrails are slidingly connected in the front of two vertical poles respectively; Seat plate assembly, the seat plate assembly includes fixed seat plate, movable seat plate and driving part, the front of the outer side of two vertical poles is provided with the sliding groove of T structure, T structure sliding block is arranged in each sliding groove, the front between two sliding blocks is fixedly connected with the back of fixed seat plate, the top surface of fixed seat plate is provided with through seat hole, the opposite two side walls in seat hole are provided with avoiding slot, the number of movable seat plate is two, one end of two movable seat plates is inserted in avoiding slot slidingly connected respectively, movable seat plate is driven in avoiding slot by driving part and slides; And Adjusting assembly, the adjusting assembly is used to adjust the height position of fixed seat plate and handrail; The adjusting assembly includes second motor, lower pull rope and lower winding wheel, the inside of two handrails is equipped with containing cavity, two second motors are fixedly arranged in two containing cavities respectively, the outer side of two vertical poles and above sliding block are slidingly sleeved with slide sleeve, the end of two handrails close to corresponding vertical pole is fixedly connected on the outer wall of two slide sleeves respectively, the output shaft of two second motors is fixedly connected with shaft, the end of two shafts away from corresponding second motor is rotatably penetrated through two slide sleeves and extends to the inside of corresponding sliding groove respectively, lower winding wheel is limited sliding in sliding groove by annular block, and the end of shaft located in the outside of corresponding sliding groove is coaxially connected with lower winding wheel by limiting piece, one end of lower pull rope is fixedly connected on the top of sliding block, and the other end is wound on lower winding wheel. The adjusting assembly further includes upper pull rope and upper winding wheel, the upper winding wheel is limited sliding in sliding groove by annular block, and the upper winding is sleeved on the end of shaft located in the outside of sliding groove by limiting piece, one end of upper pull rope is fixedly connected on the inner fixed wall of sliding groove, and the other end is wound on upper winding wheel, the upper winding wheel and lower winding wheel are spaced apart, and the upper winding wheel is located on the side close to handrail. The limiting piece includes limiting sheet and limiting strip, the top side of shaft is provided with sliding groove, the limiting strip is slidingly arranged in sliding groove, the bottom end of limiting sheet is fixedly connected on the end of limiting strip located in the outside of sliding groove, the axial position of upper winding wheel and lower winding wheel is provided with perforation, a plurality of slot grooves are formed on the circumferential inner wall of each perforation, when shaft is penetrated in two perforations, limiting sheet can be inserted in slot groove on upper winding wheel or slot groove on lower winding wheel and connected.

2. The wheelchair for cerebral palsy children according to claim 1, characterized in that: The number of the driving members is two, two driving members drive two movable seat plates to move towards or in opposite directions respectively, the driving member comprises a first motor, a driving rod, a first gear and a second gear, the driving rod is fixedly connected to the side of each movable seat plate away from each other, the outer side of each driving rod is threadedly sleeved with a sleeve, the outer side of each sleeve is rotatably sleeved with a second gear, two first motors are fixedly arranged on the inner bottom wall of the avoiding groove near the front side, the outer side of the output shaft of each first motor is fixedly sleeved with a first gear, the first gear and the second gear are rotatably connected through a chain, the outer side of each sleeve is fixedly sleeved with a limiting sleeve, and the top side of each limiting sleeve is fixedly connected to the inner fixed wall of the avoiding groove.

3. The wheelchair for cerebral palsy children according to claim 2, characterized in that: The top surfaces of the two movable seat plates away from each other are inclined surfaces, and the opposite side walls in the seat hole are also inclined surfaces, so that the inclined surfaces of the side edges of the movable seat plates can slide against the inclined surfaces of the side walls in the seat hole.

4. The wheelchair for cerebral palsy children according to claim 3, characterized in that: The top surface of the movable seat plate and the part of the position in the seat hole are covered with a soft pad, the four perimeters of the soft pad are fixedly connected with the top surface of the movable seat plate, and a cavity is arranged between the soft pad and the movable seat plate, and a plurality of uniformly distributed springs are arranged in the cavity.

5. The wheelchair as claimed in claim 1, wherein: The limiting member further comprises an adjusting rod and an adjusting ring, an annular groove in communication with the sliding groove is formed in the outer side of the end portion of the rotating shaft in the accommodating cavity, the adjusting ring is rotatably sleeved in the annular groove, and the adjusting ring can slide in the annular groove, an adjusting groove in communication with the accommodating cavity is formed in the top surface of each handrail, a reverse V-shaped rotating groove is formed in the bottom surface of the adjusting rod, the bottom end of the adjusting rod extends to the inside of the accommodating cavity through the adjusting groove, and the outer side edge of the adjusting ring is inserted into the rotating groove and connected in an interlocking mode, when the outer side edge of the adjusting ring is tightly inserted into the rotating groove, the adjusting rod is driven to rotate in the circumferential direction in the adjusting groove, so that the adjusting rod can synchronously rotate in the annular groove with the adjusting ring.

6. The wheelchair for cerebral palsy children according to claim 5, characterized in that: Two accommodating grooves are formed in the inner side wall of the adjusting groove, the distance between the two accommodating grooves is equal to the distance between the opposite side surfaces of the upper winding wheel and the lower winding wheel, and the top end of the adjusting rod can be inserted into the accommodating groove in the corresponding position and connected in an interlocking mode.

Images