CN219289962U

CN219289962U - Multifunctional deformation three-purpose wheelchair

Info

Publication number: CN219289962U
Application number: CN202320436199.7U
Authority: CN
Inventors: 银雄军
Original assignee: Huizhou Huiyang Medical Technology Co ltd
Current assignee: Huizhou Huiyang Medical Technology Co ltd
Priority date: 2023-03-09
Filing date: 2023-03-09
Publication date: 2023-07-04
Anticipated expiration: 2033-03-09

Abstract

The utility model discloses a deformation multifunctional three-purpose wheelchair, which is characterized in that: the utility model adopts the combined structures of the seat plate side beams, the oblique U-shaped side beams, the knee joint blocks, the knee joint components, the pedal straight beams, the telescopic bracing beam components, the bending and stretching crank shaft components, the tile bottom U-shaped blocks, the pillow leaning cushion plates and the like, thereby realizing high structural stability and high stability and realizing convenient and rapid switching of wheelchairs, pushing chairs and pushing beds. The manual walking wheel, the backrest side beam, the telescopic supporting beam assembly and the pushing handle, the bedpan, the pedal straight beam, the telescopic supporting beam assembly or the bending and stretching crank shaft assembly are combined, and the multifunctional wheelchair integrates the functions of a manual self-propelled wheelchair, a pushing chair, a toilet, a pushing sickbed and the like. The gradient adjustment of the backrest plate and the pillow leaning cushion plate and the adjustment of the elongation of legs Liang Qu are convenient and quick, the adjustment range is large, and the selective positioning stability is high. The adaptability of body type is strong. The knee joint block, the knee joint assembly, the telescopic bracing beam assembly and other combined structures are safe, stable and quick to adjust. The whole use is comfortable. Overcomes the defects of the prior art.

Description

Multifunctional deformation three-purpose wheelchair

Technical Field

The utility model relates to the technical field of old and disabled articles, in particular to a deformation multifunctional three-purpose wheelchair.

Background

The wheelchair or the push chair in the prior art adopts a wheelchair structure with a single function, most products only have the function of double-side fitting and storage, and the backrest and the leg frame mainly adopt a fixed structure, so that the wheelchair or the push chair has the advantages of single function, small use adaptability, poor comfort and lack of a posture change adaptability structure, and cannot adapt to the wide demands of old people and handicapped people. For example, in the care of patients with disability of the spine and patients after spine surgery, wheelchairs or push chairs with good back and head and neck support stability are required, and existing wheelchairs often have no backrest structure above the push handle and obviously cannot meet the use requirements of such patients. For foot or shank injury or postoperative disease, because the sick position is different, the degree of extension position demand of disabled limbs is also different, and the leg and foot roof beam of prior art's wheelchair mainly adopts fixed knot to construct, can't adjust required degree of extension. Some of the support structures lack corresponding support structures, so that the stability of bending and stretching positioning is poor, and the nursing risk is increased.

Disclosure of Invention

The utility model aims to provide a deformed multifunctional three-purpose wheelchair, which reasonably solves the problems that the wheelchair or a push chair in the prior art has a fixed structure, single function, small use adaptability, poor comfort, lack of a position change adaptive structure, incapability of adapting to the wide requirements of old people and disabled people, incapability of adjusting required flexion and extension of leg and foot beams, or lack of a corresponding flexion and extension adjustment supporting structure of the leg and foot beams, poor flexion and extension positioning stability and increased nursing risk.

The utility model adopts the following technical scheme:

a multifunctional deformation three-purpose wheelchair comprises a seat plate side beam, an inclined U-shaped side beam, a y-shaped clamping block, a knee joint assembly, a U-shaped beam, a side rail plate, a handrail base plate, a pedal straight beam, a pipe sleeve lock head, a pedal bent beam, a pedal, a telescopic supporting beam assembly, a bending and stretching crank shaft assembly, a tile bottom U-shaped block, a supporting plate U-shaped block, a leg supporting plate, a supporting rod side beam, a wheel axle beam, an auxiliary wheel bent beam, a manual walking wheel, a universal axle wheel fork, a front guide wheel, an auxiliary wheel, a connecting supporting beam, a backrest side beam, a push handle, a brake wire, a brake block, a brake handle, a cross supporting beam frame, a supporting beam side pulling plate, a crescent fixing plate, a seat plate beam, a bedpan mounting beam, a bedpan, a U-shaped seat plate, a bedpan cover plate, a pillow supporting plate and a supporting bed plate, and the multifunctional deformation three-purpose wheelchair is characterized in that:

the seat plate side beam is a round metal pipe, horizontally arranged on two sides, a y-shaped clamping block is connected and arranged on the lower side surface of the rear end, a pipe groove is arranged at the upper end of the y-shaped clamping block and is connected with the seat plate side beam, a round hook-shaped pipe groove is arranged outside the lower end of the y-shaped clamping block, an inclined U-shaped side beam is connected and arranged in the round hook-shaped pipe groove, the inclined U-shaped side beam is a U-shaped circular pipe body obliquely outwards and downwards from the bottom, a knee joint block is connected and arranged at the bending part of the upper end of the inclined U-shaped side beam, the knee joint block is provided with a buckling pipe groove, a tile-shaped supporting plate, a sleeve joint head and a fan-shaped connecting groove, the buckling pipe groove is in a tubular shape with one side axially opened, is connected with a buckling sleeve in a fitting way at the bending part of the upper end of the inclined U-shaped side beam, a sleeve joint head is vertically upwards arranged at the bending part and is connected with the buckling pipe groove and the fan-shaped connecting groove is integrally arranged at the buckling pipe groove and the sleeve joint head, the U-shaped beam is sleeved and inserted on the sleeve joint, the wheel axle beam is sleeved and connected at the rear end of the U-shaped beam, the wheel axle beam is provided with backward bending near the upper end, a side baffle is arranged at the outer side of the lower part of the U-shaped beam, a handrail backing plate is connected and arranged at the upper side of the U-shaped beam, a knee joint component or a pedal straight beam is connected and arranged on a fan-shaped connecting groove of the knee joint block, a bending and stretching crank component is connected and arranged on the pedal straight beam and a corresponding oblique U-shaped side beam which are arranged on the fan-shaped connecting groove in an axial connection manner, a sleeve clamping block and a pedal beam connecting block are arranged on the knee joint component, the lower part of the sleeve clamping block is triangular, a clamping pipe groove is arranged at the inner side of the sleeve clamping block and is buckled and connected with the front side face of the corresponding oblique bottom beam of the oblique U-shaped side beam, a clamping sleeve is arranged at the outer side of the clamping pipe, a bayonet is axially arranged at the front side wall of a port of the clamping sleeve, a circular plate clamping head is arranged at the upper part of the sleeve clamping block, the locking head is fixedly connected with the upper front end of the fan-shaped connecting groove, the locking head is hooked and locked on the fan-shaped connecting groove to be connected with a pedal beam connecting block, the pedal beam connecting block is provided with a locking pipe which is sleeved and connected with a locking pipe sleeve, the rear side of the upper end of the locking pipe is provided with a locking hook mouth which is hooked and fixed with the locking head and the fan-shaped connecting groove, the front side of the locking pipe is integrally provided with a T-shaped connecting groove, the upper end and the lower end of the front side of the T-shaped connecting groove are respectively provided with a connecting hole, the connecting holes of the upper end of the front side of the T-shaped connecting groove are axially connected with a pedal straight beam, the connecting holes of the lower end of the front side of the T-shaped connecting groove are axially connected with a telescopic supporting beam component, the telescopic supporting beam component is provided with a telescopic pipe, a telescopic pipe sleeve tapered end and a hand wheel screw, the side wall of the telescopic pipe is axially provided with a positioning hole, the upper end of the telescopic pipe is connected with the connecting hole of the lower end of the front side of the T-shaped connecting groove in an axial manner, the lower end of the telescopic pipe is sleeved with a telescopic pipe sleeve in a sleeved, drawing and connecting manner, a pipe sleeve lock head is arranged at the end of the upper end of the telescopic pipe sleeve, a hand wheel screw is radially arranged at one side of the pipe sleeve lock head, the inner end of the hand wheel screw is fixedly connected with a positioning hole position-selecting adjusting clamping lock axially arranged on the side wall of the telescopic pipe, a spring is arranged or not arranged on the hand wheel screw, a plug is arranged at the end of the lower end of the telescopic pipe sleeve, a tile bottom U-shaped block is connected with the front side close to the lower end of the telescopic pipe sleeve, a notch of the tile bottom U-shaped block is connected with the telescopic pipe sleeve, the tile bottom surface is connected with the lower side face of the pedal straight beam close to the tile bottom U-shaped block, a supporting plate U-shaped block is fixedly arranged at the middle part close to the lower end of the pedal straight beam, a leg supporting plate is fixedly arranged on a connecting supporting plate at the inner side of the supporting plate U-shaped block, the lower end of the pedal straight beam is sleeved with a pull-push connection pedal bent beam and a pipe sleeve lock head, the pedal bent beam is provided with a positioning hole and is connected with the pedal straight beam in a pull-push limit adjustment manner, the pedal bent beam is provided with forward bending near the middle or downward bending near the front end, the pedal bent beam provided with forward bending in the middle is provided with a limit column near the lower side beam surface of the front end bending part, and the limit column is connected with a pedal in an axial connection manner or a pedal is connected with the downward bending end in an axial connection manner;

the lower side bending part of the oblique U-shaped side beam is connected with a universal shaft fork, the universal shaft fork is connected with a front guide wheel, the lower rear end of the oblique U-shaped side beam is connected with a stay bar side beam, the rear end of the stay bar side beam is connected with a wheel axle beam, the rear end of the wheel axle beam is connected with an auxiliary wheel bent beam, the auxiliary wheel bent beam is provided with downward bending, and the lower end of the auxiliary wheel bent beam is connected with an auxiliary wheel; a cross beam frame is connected and arranged between the inner side of the stay bar side beam and the opposite side of the seat plate side beam, three diagonal beam pipes are arranged on the cross beam frame, one diagonal beam pipe is connected and arranged between the stay bar side beam and the opposite side of the seat plate side beam, two parallel diagonal beam pipes are connected and arranged between the stay bar side beam and the opposite side of the seat plate side beam, the two parallel diagonal beam pipes are arranged on the front side and the rear side of the diagonal beam pipe, a fixing screw is axially connected and arranged on the cross midpoint, a diagonal beam side pull plate is connected and arranged on the adjacent diagonal beam pipe on the upper end of the cross midpoint, the diagonal beam side pull plate is in a round end strip shape, two ends are provided with connecting holes, one end of the diagonal beam pipe is connected with the diagonal beam pipe, the other end of the diagonal beam side beam pipe is provided with a crescent fixing plate which is connected with the corresponding seat plate side beam, the outer end of the crescent fixing plate is provided with a crescent groove which is in hooking connection with the lower side surface of the corresponding diagonal U-shaped side beam, the inner end is provided with a connecting handle which is connected with or fixedly connected with a connecting hole arranged on a pull plate at the side of the bracing beam, beam surfaces near the front end and the rear end of the side beam of the seat board are respectively connected with seat board beams, the seat board beams at the front end are in rectangular plate shape, the two ends of the seat board beams at the front end are provided with downward arc curved surface elbows which are hooked and connected with the front end of the side beam of the seat board, the lower side surfaces of the two ends of the seat board beams at the rear end are provided with cylindrical clamping heads which are correspondingly provided with positioning hole clamping buckles which are connected with the upper side surface of the rear end of the side beam of the seat board, the seat board beams near the middle are longitudinally and parallelly provided with a bedpan mounting beam, the bedpan mounting beam is provided with a rectangular bedpan, the seat board beams at the rear end are connected with a support bed board near the rear end, the seat board beams which are connected with the seat board beams at the front end of the support bed board beams are connected with a U-shaped seat board, the U-shaped groove of the U-shaped seat board corresponds to the upper opening of the toilet, and a toilet bowl cover plate is arranged in the U-shaped groove of the U-shaped seat board; the wheel axle beam is close to the upper side of the rear end and is fixedly connected with the lower end of the wheel axle beam, the front side of the wheel axle beam close to the upper end of the bent part is fixedly connected with the rear end of an oblique U-shaped side beam upper side beam tube, a tile bottom U-shaped block is fixedly connected to the rear side beam tube of the wheel axle beam close to the upper end, a backrest side beam is fixedly connected to the upper shaft of a connecting hole of a notch of the tile bottom U-shaped block arranged on the wheel axle beam, a push handle is connected to the rear side of the upper end of the backrest side beam, a brake handle is connected to the push handle, a brake cable is connected to the brake handle, a brake block is connected and fixed to the oblique U-shaped side beam upper side beam tube, a manual travelling wheel is arranged on the brake servo brake connection of the brake piece of the brake block, a wheel axle of the manual travelling wheel is fixedly connected with a connecting Kong Zhouxing arranged on the wheel axle beam close to the lower end, a connecting support beam is arranged on the rear end of the wheel axle beam, a bottom U-shaped block is arranged on the upper end of the backrest side beam, a backing plate is connected to the upper end of the backrest, a cushion plate is arranged on the side beam is connected to the upper end of the backrest, a cushion plate is connected to the pillow is arranged on the side beam, and the pillow is connected to the upper end of the pillow.

Further, the bent and stretched crankshaft assembly is provided with a right-angle bent and stretched crankshaft, the short shaft end of the right-angle bent and stretched crankshaft is connected with the pedal straight beam in an axial mode, the long shaft end is connected with a crankshaft connecting block, the crankshaft connecting block is in a rectangular frame shape, the rear side face and the lower side face are open notches, the front side face is close to the middle of the upper end face and is vertically provided with a shaft sleeve, the inner ports of the shaft sleeve are connected with a convex plate U-shaped block, the upper end of a bottom plate of the convex plate U-shaped block is integrally provided with a convex plate block, the long shaft end of the right-angle bent and stretched crankshaft penetrates through the shaft sleeve and the connecting hole formed by the convex plate block, a spring is sleeved on a shaft rod between the convex plate block and the front side inner wall of the crankshaft connecting block, two ends of the spring are respectively in abutting connection with the convex plate block and the front side inner wall of the crankshaft connecting block, spacing tooth rows are arranged on the lower side face of the rear end of the right-angle bent and stretched crankshaft in an equidistant radial concave mode, and the spacing tooth rows are lifted up and in a flat state of the seat plate side beam or when the pedal beam is bent and stretched and adjusted, the tooth grooves of the spacing tooth rows and the spacing blocks are fixed with the connecting holes.

Further, the layer board U-shaped piece is arc curved surface U-shaped bottom surface, arc curved surface U-shaped bottom surface center is radially equipped with the round end of 90 degrees arcs and gives way the change groove to one side, round end gives way the pipe beam surface that changes groove one end corresponds and is equipped with spacing card post or locating hole, connect on the locating hole and be equipped with spacing screw rod, layer board U-shaped piece one side commodity an organic whole is equipped with the pallet block, connect fixedly on the pallet block and be equipped with the leg layer board, the leg layer board overturns 90 degrees, drives layer board U-shaped piece rotates 90 degrees, the round end gives way the other end of change groove with spacing screw rod contradicts spacing connection.

Further, a hand wheel screw is not arranged on the pipe sleeve lock head of the telescopic support beam assembly arranged between the connecting support beam and the backrest side beam, a positioning hole is formed in the outer side of the telescopic pipe sleeve of the telescopic support beam assembly and close to the upper end of the telescopic support beam assembly, a hanging hook is connected to the positioning hole, a hollow pipe handle of the hanging hook is fixedly connected with the telescopic pipe sleeve, a round head screw is arranged in the hollow pipe handle and is fixedly connected with a positioning hole position selecting adjusting lock arranged on the side wall of the telescopic pipe in an axial mode, a plug is not arranged at the lower end of the telescopic pipe sleeve, and when the inclination angle of the backrest side beam is adjusted, the lower end of the telescopic pipe is in telescopic position adjusting inside and outside a lower port of the telescopic pipe sleeve.

Further, be close to the front end and be equipped with the downwarping the footboard outer end that the footboard curved beam lower extreme was equipped with contracts to middle and upwards the protruding connecting block that is equipped with, the connecting block outer end middle vertical be equipped with the U-shaped groove with footboard curved beam lower extreme block, the connecting block be close to the upper end be equipped with the screw rod with the radial axiality of footboard curved beam is connected, the tube head of the footboard curved beam of screw rod downside constitutes the spacing post of footboard, the connecting block inboard corresponds the footboard curved beam is equipped with accomodates the groove of stepping down, when the vertical upset of footboard is accomodate, accomodate the groove of stepping down with the footboard curved beam block is fixed.

Further, the manual travelling wheel is provided with a manual rim, the manual travelling wheel and a brake handle are manually controlled to run to form a wheelchair, the push handle and the brake handle are pushed to run to form a push chair, the pedal straight beam, the pedal bent beam, the leg supporting plate and the backrest side beam are lifted and lowered to be horizontal with the U-shaped seat plate to form a push sickbed, the seat plate beam, the bedpan mounting beam, the bedpan, the U-shaped seat plate, the bedpan cover plate, the backrest plate, the pillow backrest plate, the U-shaped beams for supporting the bed plate and the pillow backrest plate are arranged, and the wheelchair frames on two sides are attached, folded and contained on two sides of the cross bracing beam frame.

The beneficial technical effects of the utility model are as follows:

the utility model discloses a deformation multifunctional three-purpose wheelchair, which reasonably solves the problems that the structure of the wheelchair or a push chair in the prior art is fixed, the function is single, the use adaptability is small, the comfort is poor, the body position change adaptability structure is lacked, the wheelchair or the push chair cannot adapt to the wide requirements of old people and disabled people, the leg and foot beams cannot adjust the required bending and stretching degree, or the leg and foot beams lack corresponding bending and stretching adjustment supporting structures, the bending and stretching positioning stability is poor, and the nursing risk is increased.

The utility model adopts a seat plate side beam, an oblique U-shaped side beam, a y-shaped clamping block, a knee joint block, a buckle pipe groove, a tile-shaped supporting plate, a sleeve joint head, a fan-shaped connecting groove, a knee joint component, a U-shaped beam, a side rail plate, a handrail backing plate, a pedal straight beam, a sleeve locking head, a pedal bent beam, a pedal, a telescopic supporting beam component, a bending and stretching crank component, a tile bottom U-shaped block, a supporting plate U-shaped block, a leg supporting plate, a supporting rod side beam, a wheel axle beam, an auxiliary wheel bent beam, a manual walking wheel, a universal axle wheel fork, a front guide wheel, an auxiliary wheel, a connecting hole, a positioning hole, a connecting supporting beam, a bending and stretching crank component, a tile bottom U-shaped block, a supporting plate U-shaped block, a leg supporting plate, a supporting rod side beam, a wheel axle beam, a manual walking wheel, a universal axle wheel fork, a front guide wheel, a connecting hole, a connecting beam and a connecting beam the combined structure of a backrest side beam, a push handle, a brake cable, a brake block, a brake handle, a cross bracing beam frame, a bracing beam side pull plate, a crescent fixed plate, a seat board beam, a bedpan mounting beam, a bedpan, a U-shaped seat board, a bedpan cover plate, a backrest plate, a pillow backrest plate, a support bed board, a pipe sleeve clamping block, a clamping lock head, a pedal beam connecting block, a clamping lock pipe, a clamping lock hook mouth, a T-shaped connecting groove, a telescopic pipe sleeve, a hand wheel screw, a right-angle bending crankshaft, a crankshaft connecting block, a shaft sleeve, a convex plate U-shaped block, a spring and a limiting tooth row, realize that structural stability and stability are high. The wheelchair, the push chair and the pushing sickbed are convenient and quick to switch, the manual walking wheels are provided with manual driving rings, the backrest side beams are provided with telescopic supporting beam assemblies and push handles, the bedpan mount Liang Choula is provided with the bedpan in a mounting manner, the U-shaped seat plate is provided with a bedpan cover plate, the pedal straight beams are connected with the telescopic supporting beam assemblies or the bending and stretching crankshaft assemblies, and the wheelchair, the push chair, the toilet seat, the pushing sickbed and the like are integrated into a whole. The gradient adjustment of the backrest plate and the pillow leaning cushion plate and the adjustment of the elongation of legs Liang Qu are convenient and quick, the adjustment range is large, and the selective positioning stability is high. The pedal straight beam is connected with the pedal bent beam in a drawing and positioning way, and the body type adaptability is strong. The knee joint block, the knee joint assembly, the telescopic bracing beam assembly and the bending and stretching crankshaft assembly are safe, stable and rapid to adjust. The whole use is comfortable. Overcomes the defects of the prior art.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

FIG. 2 is a schematic view of the overall structure of the present utility model with a flex crankshaft assembly.

Fig. 3 is a schematic structural view of the present utility model in a modified state.

Fig. 4 is a schematic view of an exploded construction of the present utility model.

Figure 5 is an exploded view of the knee joint assembly connection of the present utility model.

FIG. 6 is an exploded view of the flex crankshaft assembly of the present utility model.

The figure shows: 1-seat side sill, 2-diagonal U-shaped side sill, 3-y-shaped clamp block, 4-knee joint block, 5-buckle tube slot, 6-tile-shaped support plate, 7-socket, 8-sector connection slot, 9-knee joint assembly, 10-U-shaped beam, 11-side rail plate, 12-armrest pad, 13-pedal straight beam, 14-socket lock, 15-pedal bent beam, 16-pedal, 17-telescopic strut beam assembly, 18-flexion crankshaft assembly, 19-shoe bottom U-shaped block, 20-support plate U-shaped block, 21-leg support plate, 22-strut side sill, 23-axle beam, 24-axle beam, 25-auxiliary wheel bent beam, 26-manual walking wheel, 27-universal axle fork, 28-front guide wheel, 29-auxiliary wheel 30-connecting holes, 31-positioning holes, 32-connecting supporting beams, a backrest side beam, 34-pushing handles, 35-brake handles, 36-brake wires, 37-brake blocks, 38-brake handles, 39-cross supporting beam frames, 40-supporting beam side pull plates, 41-crescent fixing plates, 42-seat plate beams, 43-bedpan mounting beams, 44-bedpans, 45-U-shaped seat plates, 46-bedpan cover plates, 47-backboard plates, 48-pillow backing plates, 49-supporting bed plates, 50-pipe sleeve clamping blocks, 51-clamping and locking pipes, 52-clamping and locking heads, 53-pedal beam connecting blocks, 54-clamping and locking pipes, 55-clamping and locking hooks, 56-T-shaped connecting grooves, 57-telescopic pipes, 58-telescopic pipe sleeves, 59-a hand wheel screw, 60-a right angle bending and stretching crankshaft, 61-a crankshaft connecting block, 62-a shaft sleeve, 63-a convex plate U-shaped block, 64-a spring and 65-a limit gear row.

Detailed Description

The present utility model will be further understood by the following description of embodiments, but the specific embodiments given by the applicant should not be considered as limiting the technical solution of the present utility model, and any modification of the definition of components or technical features and/or the form of the whole structure without substantial change should be considered as the protection scope defined by the technical solution of the present utility model.

Embodiment one:

a modified multifunctional three-purpose wheelchair as shown in figures 1-6, comprises a seat plate side beam 1, an oblique U-shaped side beam 2, a y-shaped clamping block 3, a knee joint block 4, a clamping pipe groove 5, a tile-shaped supporting plate 6, a sleeve joint 7, a fan-shaped connecting groove 8, a knee joint component 9, a U-shaped beam 10, a side rail plate 11, a handrail backing plate 12, a pedal straight beam 13, a sleeve lock 14, a pedal bent beam 15, a pedal 16, a telescopic supporting beam component 17, a bending and stretching crank assembly 18, a tile bottom U-shaped block 19, a supporting plate U-shaped block 20, a leg supporting plate 21, a supporting rod side beam 22, a wheel axle beam 23, a wheel axle beam 24, an auxiliary wheel bent beam 25, a manual walking wheel 26, a universal axle fork 27, a front guide wheel 28, an auxiliary wheel 29, a connecting hole 30, a positioning hole 31, a connecting supporting beam 32 backrest side beam 33, push handle 34, brake handle 35, brake cable 36, brake block 37, brake handle 38, cross brace 39, brace side pull plate 40, crescent fixation plate 41, seat plate cross beam 42, bowl mounting beam 43, bowl 44, U-shaped seat plate 45, bowl cover 46, back plate 47, pillow back plate 48, support bed plate 49, pipe sleeve block 50, latch pipe sleeve 51, latch head 52, pedal beam connection block 53, latch pipe 54, latch hook 55, T-shaped connection slot 56, telescoping pipe 57, telescoping pipe sleeve 58, hand wheel screw 59, right angle flex crankshaft 60, crankshaft connection block 61, shaft sleeve 62, boss U-shaped block 63, spring 64, and spacing tooth row 65.

First, the seat plate side member 1 is provided. An inclined U-shaped side beam 2 is arranged outside the seat board side beam 1, a y-shaped clamping block 3 is connected and arranged at the lower side of the rear end of the inclined U-shaped side beam 2 and at the upper side of the front end of the inclined U-shaped side beam 2, and a knee joint block 4 is connected and arranged at the upper side of the front end of the inclined U-shaped side beam 1. The lower side of the knee joint block 4 is provided with a buckling pipe groove 5 which is connected with the inclined U-shaped side beam 2, the inner side of the rear end is provided with a tile-shaped supporting plate 6 which is connected with the lower side of the seat plate side beam 1, the upper side is vertically provided with a sleeve joint head 7, the front side is provided with a fan-shaped connecting groove 8, and the fan-shaped connecting groove 8 is connected with a knee joint component 9. The knee joint assembly 9 is provided with a pipe sleeve clamping block 50, the rear side of the lower part of the pipe sleeve clamping block 50 is provided with a clamping pipe groove 5 which is matched with the lower end of the knee joint block 4 and is in clamping connection with the beam surface of the inclined U-shaped side beam 2, the front end of the lower part is integrally provided with a clamping pipe sleeve 51, the front side of the upper opening of the clamping pipe sleeve 51 is axially provided with a bayonet, and the upper part is integrally provided with a clamping head 52. The locking head 52 is connected and fixed with the upper front corner groove of the fan-shaped connecting groove 8, and a pedal beam connecting block 53 is hooked and connected on the locking head 52 and the fan-shaped connecting groove 8. A locking pipe 54 is arranged on the pedal beam connecting block 53 and is in sleeved connection with the locking pipe sleeve 51, a locking hook mouth 55 is arranged at the upper end of the locking pipe 54 and is in hooked connection with the locking head 52, and the locking hook mouth 55 is locked into an upper notch of the fan-shaped connecting groove 8. A T-shaped connecting groove 56 is integrally provided on the front side of the upper end of the locking tube 54, a locking plate is axially integrally provided on the rear groove wall of the T-shaped connecting groove 65 and the corresponding front side wall of the locking tube 54, and the locking plate is in locking and limiting connection with a bayonet lock provided on the locking tube sleeve 51. The pedal straight beam 13 is axially connected and arranged in a notch at the upper end of the T-shaped connecting groove 56, the connecting hole 30 is arranged at the upper end of the pedal straight beam 13 and connected with the T-shaped connecting groove 56, and the telescopic bracing beam assembly 17 is axially connected and arranged in a notch at the lower end of the T-shaped connecting groove 56. A telescopic tube 57, a telescopic tube sleeve 58, a tube sleeve lock 14 and a hand wheel screw 59 are arranged on the telescopic strut assembly 17. The telescopic pipe 57 is axially provided with positioning holes 31, the lower end of the telescopic pipe 57 is sleeved with a telescopic pipe sleeve 58 in a plug-in and pull-out connection mode, the upper end of the telescopic pipe sleeve 58 is provided with a pipe sleeve lock 14, one side of the pipe sleeve lock 14 is provided with a hand wheel screw 59, the hand wheel screw is provided with or not with a spring 64, and the lower end of the telescopic pipe sleeve is provided with a plug. The pedal straight beam 13 and the corresponding telescopic tube sleeve 58 are connected and provided with a U-shaped block 19 with a tile bottom. A supporting plate U-shaped block 20 is connected and arranged on the pedal straight beam 13 close to the tile bottom U-shaped block 19, and a leg supporting plate 21 is connected and arranged on the supporting plate U-shaped block 20. The lower end of the pedal straight beam 13 is connected with a pipe sleeve lock 14 and a pedal bent beam 15 provided with a positioning hole 31, and the front end of the pedal bent beam 15 is connected with a pedal 16.

Then, a universal shaft fork 27 is connected and arranged on a beam tube near the front end at the lower side of the inclined U-shaped side beam 2, and a front guide wheel 28 is arranged on the universal shaft fork 27. A brace side beam 22, a wheel axle beam 23 and an auxiliary wheel curved beam 25 are sequentially arranged at the rear end of the lower side of the inclined U-shaped side beam 2. An auxiliary wheel 29 is provided at the lower end of the auxiliary wheel curved beam 25. The wheel axle beam 23 is provided with a wheel axle beam 24, and a connecting hole 30 is arranged near the lower end of the wheel axle beam 24 and is connected with the manual travelling wheel 26 in an axial manner. The axle beam 24 is connected with a connecting supporting beam 32 near the middle rear side, and the end of the connecting supporting beam 32 is connected with a tile bottom U-shaped block 19 in an axial mode. And connecting and fixing the front side of the bending part near the upper end with the end face of the upper side beam of the inclined U-shaped side beam 2. A U-beam 10 is provided on the upper end of the axle beam 24 and the ferrule head 7, and a side rail plate 11 and a handrail shim plate 12 are provided on the U-beam 10. A U-shaped block 19 with a tile bottom is arranged at the rear side of the upper end of the axle beam 24, and a backrest side beam 33 is arranged on the U-shaped block 19 with a tile bottom in an axial connection mode. The upper end of the backrest side beam 33 is provided with a connection push handle 34, a brake handle 35, a brake cable 36 and a brake block 37. The brake block 37 is fixed on the outer side surface of the upper side beam tube of the inclined U-shaped side beam 2, and a brake handle 38 is arranged on the brake block 37. The lower end of the backrest side beam 33 is connected with a tile bottom U-shaped block 19, and the lower end of the backrest side beam 33 and the two tile bottom U-shaped blocks 19 connected with the end heads of the supporting beams 32 are connected with a telescopic supporting beam assembly 17.

The seat plate side beams 1 and the stay bar side beams 22 on both sides are provided with cross stay beam frames 39 in an up-down crossing manner, beam pipes at the upper ends of the middle cross of the cross stay beam frames 39 are provided with stay beam side pull plates 40, and the outer ends of the stay beam side pull plates 40 are connected with crescent fixing plates 41 and are connected with the lower beam surfaces of the upper side beam pipes of the inclined U-shaped side beams 2. The two sides of the main frame body of the wheelchair are turned upwards to be attached and stored at the two sides through the cross bracing beam frames 39.

Finally, a U-shaped seat plate 45 is provided. The lower side surfaces of the front end and the rear end of the U-shaped seat board 45 are provided with seat board cross beams 42, the two ends of the seat board cross beams 42 at the front end are provided with downward arc surface hook heads which are hooked and clamped with seat board side beams 1 at the two sides, and the lower side surfaces of the two ends of the seat board cross beams 42 at the rear end are provided with connecting holes 30 and clamping columns which are clamped and fixed in an alternating manner with the corresponding seat board side beams 1. The bedpan mounting beam 43 is longitudinally arranged in parallel in the middle of the seat board beam 42, the bedpan mounting beam 43 is square C-shaped, and the bedpan 44 is pulled and mounted on the bedpan mounting beam 43. The U-shaped seat board 45 is a U-shaped board with an opening at the front end, a U-shaped notch is connected with the basin opening of the bedpan 44, and a bedpan cover board 46 is arranged in the U-shaped notch. A back plate 47 is provided on the back side member 33, a U-beam 10 is provided at the upper end of the back side member 33 on both sides in a connecting manner, and a pillow back plate 48 is provided on the U-beam 10. The seat board beam 42 at the rear end is horizontally connected with a support bed board 49.

The telescopic bracing beam assembly 17 is arranged in an adjusting manner, so that the corresponding pedal straight beam 13, pedal bent beam 15 and pedal 16 can be respectively adjusted until the pedal straight beam is horizontal to the U-shaped seat board 45, or the backrest gradients of the backrest plate 47 and the pillow backrest plate 48 are adjusted until the pedal straight beam is horizontal to the U-shaped seat board 45, and the deformation switching from a wheelchair or a push chair to a push sickbed is completed.

Embodiment two:

the pedal straight beam 13 is directly connected and arranged on the fan-shaped connecting groove 8 arranged on the knee joint block 4. The pedal straight beam 13 is connected with a pipe sleeve lock 14, a pedal bent beam 15, a pedal 16 pipe sleeve lock 14, a pedal bent beam 15 and a pedal 16. A bending and stretching crank assembly 18 is arranged between the upper end of the pedal straight beam 13 and the inner side of the corresponding upper front end beam tube of the inclined U-shaped side beam 2. The right angle bending crankshaft 60, the crankshaft connecting block 61, the shaft sleeve 62, the convex plate U-shaped block 63, the spring 64 and the limiting gear row 65 are arranged on the bending crankshaft assembly 18. The right-angle short shaft at the front end of the right-angle bending and stretching crankshaft 60 is in axial connection with the connecting hole 30 arranged on the pedal straight beam 13, the right-angle long shaft at the rear end is connected with a crankshaft connecting block 61, the crankshaft connecting block 61 is provided with a convex plate U-shaped block 63 which is in axial connection with the right-angle long shaft, and a spring 64 is arranged on the right-angle long shaft between the convex plate U-shaped block 63 and the inner bottom surface of the crankshaft connecting block 61. And a limiting tooth row 65 is arranged on the lower side surface of the rear end of the right-angle long shaft. The pedal straight beam 13 is lifted, the right-angle bending and stretching crankshaft 60 stretches out upwards and forwards, and the limiting tooth row 65 is clamped and limited and fixed with the convex plate U-shaped block 63. And a downward bend is arranged at the front end of the pedal bent beam 15, and a pedal 16 is arranged at the position, close to the end, of the bend in an axial connection manner. The remaining embodiments are the same as in example one.

The implementation of the deformed multifunctional three-purpose wheelchair is completed.

The present utility model is, of course, capable of other and further embodiments and of modification in accordance with the utility model, as will be apparent to those skilled in the art, without departing from the spirit and scope of the utility model, but these modifications and variations are intended to be within the scope of the appended claims.

Claims

1. A multifunctional deformation three-purpose wheelchair comprises a seat plate side beam, an inclined U-shaped side beam, a y-shaped clamping block, a knee joint assembly, a U-shaped beam, a side rail plate, a handrail base plate, a pedal straight beam, a pipe sleeve lock head, a pedal bent beam, a pedal, a telescopic supporting beam assembly, a bending and stretching crank shaft assembly, a tile bottom U-shaped block, a supporting plate U-shaped block, a leg supporting plate, a supporting rod side beam, a wheel axle beam, an auxiliary wheel bent beam, a manual walking wheel, a universal axle wheel fork, a front guide wheel, an auxiliary wheel, a connecting supporting beam, a backrest side beam, a push handle, a brake wire, a brake block, a brake handle, a cross supporting beam frame, a supporting beam side pulling plate, a crescent fixing plate, a seat plate beam, a bedpan mounting beam, a bedpan, a U-shaped seat plate, a bedpan cover plate, a pillow supporting plate and a supporting bed plate, and the multifunctional deformation three-purpose wheelchair is characterized in that:

the seat plate side beam is a round metal pipe, horizontally arranged on two sides, a y-shaped clamping block is connected and arranged on the lower side surface of the rear end, a pipe groove is arranged at the upper end of the y-shaped clamping block and is connected with the seat plate side beam, a round hook-shaped pipe groove is arranged outside the lower end of the y-shaped clamping block, an inclined U-shaped side beam is connected and arranged in the round hook-shaped pipe groove, the inclined U-shaped side beam is a U-shaped circular pipe body obliquely outwards and downwards from the bottom, a knee joint block is connected and arranged at the bending part of the upper end of the inclined U-shaped side beam, the knee joint block is provided with a buckling pipe groove, a tile-shaped supporting plate, a sleeve joint head and a fan-shaped connecting groove, the buckling pipe groove is in a tubular shape with one side axially opened, is connected with a buckling sleeve in a fitting way at the bending part of the upper end of the inclined U-shaped side beam, a sleeve joint head is vertically upwards arranged at the bending part and is connected with the buckling pipe groove and the fan-shaped connecting groove is integrally arranged at the buckling pipe groove and the sleeve joint head, the U-shaped beam is sleeved and inserted on the sleeve joint, the wheel axle beam is sleeved and connected at the rear end of the U-shaped beam, the wheel axle beam is provided with backward bending near the upper end, a side baffle is arranged at the outer side of the lower part of the U-shaped beam, a handrail backing plate is connected and arranged at the upper side of the U-shaped beam, a knee joint component or a pedal straight beam is connected and arranged on a fan-shaped connecting groove of the knee joint block, a bending and stretching crank component is connected and arranged on the pedal straight beam and a corresponding oblique U-shaped side beam which are arranged on the fan-shaped connecting groove in an axial connection manner, a sleeve clamping block and a pedal beam connecting block are arranged on the knee joint component, the lower part of the sleeve clamping block is triangular, a clamping pipe groove is arranged at the inner side of the sleeve clamping block and is buckled and connected with the front side face of the corresponding oblique bottom beam of the oblique U-shaped side beam, a clamping sleeve is arranged at the outer side of the clamping pipe, a bayonet is axially arranged at the front side wall of a port of the clamping sleeve, a circular plate clamping head is arranged at the upper part of the sleeve clamping block, the locking head is fixedly connected with the upper front end of the fan-shaped connecting groove, the locking head and the fan-shaped connecting groove are hooked and locked to be connected with a pedal beam connecting block, the pedal beam connecting block is provided with a locking pipe which is sleeved and connected with a locking pipe sleeve, the rear side of the upper end of the locking pipe is provided with a locking hook which is hooked and fixed with the locking head and the fan-shaped connecting groove, the front side of the locking pipe is integrally provided with a T-shaped connecting groove, the rear groove wall of the T-shaped connecting groove and the corresponding front side wall of the locking pipe are axially integrally provided with a locking plate, the locking plate is in locking limit connection with a bayonet of the locking pipe sleeve, the upper end and the lower end of the front side of the T-shaped connecting groove are respectively provided with a connecting hole, the connecting hole of the upper end of the front side of the T-shaped connecting groove is axially connected with a pedal straight beam, the connecting hole of the lower end of the front side of the T-shaped connecting groove is axially connected with a telescopic supporting beam component, the telescopic bracing beam assembly is provided with a telescopic pipe, a telescopic pipe sleeve, a pipe sleeve lock head and a hand wheel screw rod, positioning holes are axially arranged on the side wall of the telescopic pipe, the upper end of the telescopic pipe is axially connected with the connecting holes at the lower end of the front side of the T-shaped connecting groove, the lower end sleeve is inserted and pulled to be connected with the telescopic pipe sleeve, the end head of the upper end of the telescopic pipe sleeve is provided with the pipe sleeve lock head, one side of the pipe sleeve lock head is radially provided with the hand wheel screw rod, the inner end of the hand wheel screw rod is fixedly connected with a positioning hole position selecting adjusting locking mechanism axially arranged on the side wall of the telescopic pipe, the hand wheel screw rod is provided with or is not provided with a spring, the end head of the lower end of the telescopic pipe sleeve is provided with a plug, the front side close to the lower end is connected with a tile bottom U-shaped block, the notch of the tile bottom U-shaped block is connected with the telescopic pipe sleeve, and the tile bottom surface is in fit connection with the lower side of the pedal straight beam, a pedal bent beam and a pipe sleeve tapered end are sleeved, inserted and pulled at the lower end of the pedal straight beam, a positioning hole is formed in the pedal bent beam and is connected with the pedal straight beam in a pulling limit adjustment manner, a forward bend is formed in the pedal bent beam near the middle, or a downward bend is formed in the pedal straight beam near the front end, a limit column is arranged on the lower side beam surface of the pedal bent beam near the front end bend, a pedal is connected with the limit column in an axial connection manner, or a pedal is connected with the end of the downward bend in an axial connection manner;

2. The multifunctional deformation three-purpose wheelchair according to claim 1, wherein the bent and stretched crankshaft assembly is provided with a right-angle bent and stretched crankshaft, a short shaft end of the right-angle bent and stretched crankshaft is connected with a pedal straight beam in an axial manner, a crankshaft connecting block is connected with the long shaft end, the crankshaft connecting block is in a rectangular frame shape, a notch is formed in the rear side surface and the lower side surface, a shaft sleeve is vertically arranged in the middle of the front side surface close to the upper end surface, an inner port of the shaft sleeve is connected with a convex plate U-shaped block, a convex plate block is integrally arranged at the upper end of a bottom plate of the convex plate U-shaped block, a connecting hole is formed in the convex plate block, the long shaft end of the right-angle bent and stretched crankshaft penetrates through the shaft sleeve and a connecting hole formed in the convex plate block, springs are sleeved on shafts between the convex plate block and the inner walls of the front sides of the crankshaft connecting block, two ends of each spring are respectively in abutting connection with the inner walls of the front sides of the convex plate and the crankshaft connecting block, limit tooth rows are radially recessed and arranged at equal intervals on the lower side surfaces of the rear end of the right-angle bent and stretched crankshaft, and the pedal straight beam is connected with the limit tooth rows in a clamping mode.

3. The deformation multifunctional three-purpose wheelchair according to claim 1, wherein the supporting plate U-shaped block is an arc-shaped surface U-shaped bottom surface, a round end abdication turning groove with a 90-degree arc is radially arranged in the center of the arc-shaped surface U-shaped bottom surface towards one side, a limit clamping column or a locating hole is arranged on a round tube beam surface corresponding to one end of the round end abdication turning groove, a limit screw is connected to the locating hole, a supporting plate block is integrally arranged on one side of the supporting plate U-shaped block, a leg supporting plate is fixedly connected to the supporting plate block, the leg supporting plate is turned for 90 degrees and drives the supporting plate U-shaped block to rotate for 90 degrees, and the other end of the round end abdication turning groove is in abutting limit connection with the limit screw.

4. The multifunctional deformation three-purpose wheelchair according to claim 1, wherein a hand wheel screw is not arranged on the pipe sleeve lock head of a telescopic support beam assembly arranged between the connecting support beam and the backrest side beam, a positioning hole is arranged on the outer side of a telescopic pipe sleeve of the telescopic support beam assembly and close to the upper end, a hanging hook is connected to the positioning hole, a hollow pipe handle of the hanging hook is fixedly connected with the telescopic pipe sleeve, a round head screw is arranged in the hollow pipe handle and is fixedly connected with a positioning hole position selecting adjusting lock arranged on the side wall of the telescopic pipe in an axial mode, a plug is not arranged at the lower end of the telescopic pipe sleeve, and when the backrest side beam adjusts an inclination angle, the lower end of the telescopic pipe is in telescopic position adjusting inside and outside a lower port of the telescopic pipe sleeve.

5. The deformation multifunctional three-purpose wheelchair according to claim 1, wherein a pedal outer end which is arranged at the lower end of the pedal bent beam and is bent downwards is contracted towards the middle and is provided with a connecting block in an upward protruding mode, a U-shaped groove is vertically arranged in the middle of the outer end of the connecting block and is clamped with the lower end of the pedal bent beam, a screw rod is arranged at the upper end of the connecting block, the radial shaft of the pedal bent beam is connected with the connecting block, a pipe head of the pedal bent beam at the lower side of the screw rod forms a pedal limiting column, a storage yielding groove is formed in the inner side of the connecting block corresponding to the pedal bent beam, and the storage yielding groove is clamped and fixed with the pedal bent beam when the pedal is vertically turned and stored.

6. A modified multifunctional three-purpose wheelchair according to any of claims 1-5, characterized in that the manual travelling wheel is provided with a manual rim, the manual travelling wheel and a brake handle are manually operated to form a wheelchair, the push handle and the brake handle are pushed to operate to form a push chair, the pedal straight beam, the pedal bent beam, the leg support plate and the backrest side beam are lifted and lowered to be horizontal with the U-shaped seat plate to form a push sickbed, the seat plate cross beam, the bedpan mounting beam, the bedpan, the U-shaped seat plate, the bedpan cover plate, the backrest plate, the pillow backrest plate, the support bed plate and the U-shaped beam arranged on the pillow backrest plate are unloaded, and the wheelchair frames on two sides are folded and accommodated by the two sides of the cross beam frame.