CN113303980B - A multifunctional wheelchair with recumbent function - Google Patents

Abstract

The invention discloses a multifunctional wheelchair with a horizontal function, which can be operated by a caregiver when an old person suddenly suffers from orthostatic hypotension when going out through the wheelchair as follows: two support shafts of the chair back are pulled out of the two first inserting pipes; then the angle of the chair back is rotated by matching the first waist-shaped hole with the first rotating shaft, so that the chair back is rotated to be in a horizontal state, and then the two support shafts of the chair back are inserted into the two second insertion pipes; then the stabilizing frame is rotated to be supported on the ground; then the headrest is moved to a proper position by elongating the multi-section telescopic rod; finally, the old can lie on the chair back to relieve symptoms, and the old can go out through the wheelchair conveniently.

Description

A multifunctional wheelchair with supine function

technical field

The invention relates to the technical field of medical devices, in particular to a multifunctional wheelchair with a supine function.

Background technique

Orthostatic hypotension, also known as orthostatic hypotension, is a common disease in the elderly and children. According to statistics, orthostatic hypotension accounts for about 15% of the elderly over 65 years old, and it can be as high as 30% to 50% in those over 75 years old. It is the elderly who are weak and bedridden for a long time (up to 50% or more in the nursing home population), and is an important risk factor for syncope and fainting in the elderly. Secondary is more common in spinal cord diseases, endocrine disorders and other diseases. , Amaurosis, nausea, fatigue, and in severe cases, dyspnea and syncope. Symptoms relieved after lying down. Weak and long-term bedridden elderly people usually rely on wheelchairs to travel. Wheelchairs do not have the function of lying down. If sudden orthostatic hypotension cannot relieve symptoms, multiple escorts are needed to keep the elderly in a supine state. cause many complications. Expose the deficiency of common wheelchair travel thus.

Contents of the invention

The purpose of the present invention is to provide a multifunctional wheelchair with a supine function for the elderly to relieve symptoms and to facilitate the elderly to travel through the wheelchair.

The above-mentioned technical purpose of the present invention is achieved through the following technical solutions: a multifunctional wheelchair with a supine function, comprising a wheelchair body, a chair back arranged on the wheelchair body, and the chair back includes two chairs located behind the wheelchair body Connected and parallel support shafts, a back cushion arranged between the two support shafts, a number of connecting rods are arranged between the two support shafts; the lower end of the support shaft is provided with a The first waist-shaped hole, the wheelchair body is provided with a first rotating shaft passing through the first waist-shaped hole, and the wheelchair body is provided with a lower end of the support shaft for insertion, and the back of the chair is in a normal leaning state for the back of the elderly The wheelchair body is provided with a second socket for the back of the chair to be in a supine state for the elderly after the lower end of the support shaft is inserted, and the second socket extends along the horizontal direction; two A stabilizer is rotatably connected between the upper ends of the support shafts. When the support shaft is inserted into the second socket pipe, the stabilizer is rotated to be supported on the ground; the upper ends of the two support shafts There are respectively provided with multi-section telescopic rods, the extension direction of the multi-section telescopic rods is the same as the extension direction of the support shaft, and a backing plate is provided at the end of the two multi-section telescopic rods away from the support shaft, and the backing plate is provided with A headrest for the head of the elderly to rest on.

By adopting the above-mentioned scheme, when the elderly suddenly suffer from orthostatic hypotension when traveling in a wheelchair, the accompanying personnel can perform the following operations: by pulling out the two support shafts of the back of the chair from the two first insertion tubes; The cooperation between the waist-shaped hole and the first rotating shaft rotates the angle of the chair back, so that the chair back turns to a horizontal state, and then inserts the two supporting shafts of the chair back into the two second insertion tubes; then rotates the stabilizer to support it On the ground; then the headrest is moved to a suitable position by stretching the multi-section telescopic rod; finally, the elderly are made to lie flat on the back of the chair to relieve symptoms and facilitate the elderly to travel through the wheelchair.

A further setting of the present invention is that: a first limiting piece is provided on the opening peripheral side of the first insertion tube, and a second limiting piece is provided on the opening peripheral side of the second insertion tube. When the lower end of a waist-shaped hole is in contact with the first rotating shaft and the supporting shaft rotates around the first rotating shaft, the lowermost end of the supporting shaft rotates towards the first socket tube and then touches the first limiting piece and aligns with the first socket. Connecting the tube, the lowermost end of the support shaft rotates towards the second socket tube and then abuts against the second limiting piece and aligns with the second socket tube.

By adopting the above scheme, when the lower end of the first waist-shaped hole of the support shaft is in contact with the first rotating shaft and the supporting shaft rotates around the first rotating shaft, the lowermost end of the supporting shaft rotates toward the first socket tube and then touches against the first limit. The position piece is aligned with the first socket tube, and the bottom end of the support shaft rotates toward the second socket tube and then touches the second limit piece and aligns with the second socket tube, so that the support shaft can be inserted into the first socket tube conveniently Or plug into the second splice tube.

The further setting of the present invention is: the shape of the stabilizer is in the shape of "凵", the two ends of the stabilizer are provided with a second waist-shaped hole, and the side of the support shaft is provided with a hole that passes through the second waist-shaped hole. The second rotating shaft, when the supporting shaft of the chair back is rotated to a horizontal state, the bottom of the stable frame is vertically supported on the ground after being drooped under the action of gravity, and the second rotating shaft is in conflict with the second waist-shaped hole in this state When the lower end of the support shaft moves along the horizontal direction and is plugged into the second insertion tube, the upper end of the stable frame moves toward the direction close to the wheelchair body under the drive of the second rotating shaft and becomes inclined. When the support shaft is fully inserted into the second socket tube, the second rotating shaft is in contact with the upper end of the second waist-shaped hole in this state, and the bottom of the stabilizer is supported on the ground after being drooped under the action of gravity. The support shaft is provided with a limit block that restricts the rotation of the inclined stable frame when the support shaft is fully inserted into the second socket pipe.

By adopting the above scheme, in the process of turning the two support shafts of the chair back to the horizontal state, firstly, the stabilizer remains in a drooping state under the action of gravity (and there is a certain amount of shaking), and then the stabilizer is supported on the ground, and finally stabilized The frame can be in the following three states: (1) The stable frame is in a vertical state and supported on the ground, and the second rotating shaft is in contact with the lower end of the second waist-shaped hole in this state; (2) The lower end of the stable frame faces close to the wheelchair body (3) The lower end of the stabilizer is inclined in a direction away from the wheelchair body and supported on the ground, and the second rotating shaft is in contact with the upper end of the second waist-shaped hole; The upper end of the second waist-shaped hole is in this state, and the stable frame is in conflict with the limit block. At the same time, when the support shaft of the chair back is inserted into the second insertion tube, both the chair back and the stabilizer move towards the direction close to the wheelchair body. If the stabilizer is in state (1) and state (3) in the early stage, then The stabilizer will be in the state (3) in the later stage to achieve a good supporting effect. If the stabilizer is in the state (2) in the early stage, the escort will push the stabilizer backwards, and the stabilizer will also be in the state (3) in the later stage. To achieve a good supporting effect; finally, the above-mentioned structural design is convenient and stable for the frame to quickly achieve a good supporting effect.

A further configuration of the present invention is that: a gap is provided on one side of the back cushion connected to the support shaft, and a connection belt is provided at the rear end of the armrest of the wheelchair body. When the support shaft is plugged into the first insertion tube, the The connecting belt bypasses the support shaft from the gap of the back cushion, the middle part of the connecting belt is provided with a velcro surface, and one end of the connecting belt bypassing the support shaft is provided with a velcro hook surface for bonding on the velcro surface .

By adopting the above scheme, when the back of the chair is for the back of the elderly to lean on, the back of the chair is only inserted into the first socket through the support shaft for fixation. At this time, the connection stability of the back of the chair will be poor, and the back of the chair will be fixed from the first socket. The problem of being pulled out of the insertion tube; at this time, by setting the connecting belt on the armrest of the wheelchair body, and the connecting belt bypasses the support shaft from the gap of the back cushion, and is bonded by the rough surface of the Velcro and the hook surface of the Velcro. The connection stability of the chair back is improved, and because the connection belt passes through the gap of the back cushion, the chair back cannot be pulled out from the first insertion pipe.

A further setting of the present invention is that: a flat installation groove is provided on the end surface of the support shaft close to the second socket pipe, a through hole communicating with the installation groove is provided on the side surface of the support shaft, and the circumference of the second socket pipe The side is provided with a limit hole corresponding to the through hole. A U-shaped metal shrapnel is arranged in the installation groove. Both sides of the metal shrapnel are pressed against the inner wall of the installation groove. One end of the metal shrapnel is provided with a protruding The through hole is used to embed the limit protrusion in the limit hole, and the end of the limit protrusion away from the metal shrapnel is hemispherical; when the support shaft is inserted into the second socket tube and makes the support shaft When the upper end of the first waist-shaped hole of the support shaft is in contact with the first rotating shaft, the position-limiting protrusion is just inserted into the position-limiting hole; and when the lower end of the first waist-shaped hole of the support shaft is in contact with the first rotating shaft and supported When the shaft rotates around the first rotating shaft toward the second insertion tube, the limiting protrusion is in contact with the second limiting piece.

By adopting the above scheme, although the support shaft has a certain degree of stability after it is horizontally inserted into the second insertion tube, if the wheels of the wheelchair body are not braked, it is easy to cause the support shaft to slip along the second insertion tube. At this time, the position-limiting protrusion of the metal shrapnel is embedded in the position-limiting hole of the second socket tube for fixing to play the role of reinforcement; at the same time, when the lower end of the first waist-shaped hole of the support shaft contacts and supports the first rotating shaft When the shaft rotates around the first rotating shaft toward the second insertion tube, the limit protrusion is in contact with the second limit piece, so that when the support shaft is inserted into the second insertion tube, the limit protrusion can automatically shrink. back, so as to facilitate the insertion of the support shaft into the second insertion tube; but after this design, when the support shaft is inserted into the first insertion tube, it is necessary to press the limit protrusion before the support shaft can be inserted. In addition, the limit protrusion can be pressed against the inner wall of the first socket pipe, so as to prevent the support shaft from loosening after being inserted into the first socket pipe.

A further setting of the present invention is that: the peripheral side of the second socket tube is rotatably connected with a pressing piece, and the pressing piece is provided with a pressing piece that aligns with the position limiting hole and makes the position limiting protrusion detach from the position limiting hole during the pressing process. raised.

By adopting the above solution, the setting of the pressing piece and the pressing protrusion can facilitate the detachment of the position-limiting protrusion from the position-limiting hole, thereby facilitating the extraction of the support tube from the second insertion tube.

A further setting of the present invention is that: the upper end of the support shaft is provided with a push handle extending toward the rear of the wheelchair body; when the support shaft is inserted into the first insertion tube, the push handle extends along the horizontal direction.

By adopting the above scheme, the setting of the push handle has the effect of facilitating the pushing of the wheelchair.

Description of drawings

Fig. 1 is the structural representation of embodiment 1;

Fig. 2 is a partial schematic diagram of the state where the support shaft is plugged into the first socket in embodiment 1;

Fig. 3 is a partial schematic diagram of the state in which the support shaft is pulled out from the first socket in embodiment 1;

Fig. 4 is a partial schematic view of the support shaft rotating to a horizontal state in Embodiment 1;

Fig. 5 is a partial schematic diagram of the state where the support shaft is inserted into the second socket pipe in Embodiment 1;

Fig. 6 is the demonstration diagram of the state process of Fig. 2 to Fig. 5 in embodiment 1;

Fig. 7 is the structural representation of embodiment 2;

Fig. 8 is the structural representation of embodiment 3;

Fig. 9 is a partial enlarged view at position A in Fig. 8 .

Reference signs: 1, wheelchair body; 2, chair back; 21, support shaft; 211, first waist-shaped hole; 212, second rotating shaft; 213, limit block; 214, installation groove; 215, through hole; 22 , cushion; 221, notch; 3, armrest; 4, the first rotating shaft; 5, the first insertion tube; 51, the first limiting piece; Position hole; 7, stable frame; 71, second waist hole; 8, multi-section telescopic rod; 9, backing plate; 10, headrest; 11, connecting belt; 111, Velcro rough surface; 112, Velcro hook 13, metal shrapnel; 131, limit protrusion; 14, pressing sheet; 141, pressing protrusion; 15, push handle.

Detailed ways

The present invention will be described in further detail below in conjunction with the accompanying drawings.

Embodiment 1: A kind of multifunctional wheelchair with supine function, as shown in Fig. 1 and Fig. 2, comprises wheelchair body 1, the chair back 2 that is arranged on the wheelchair body 1, and chair back 2 includes two seats on the wheelchair body 1 The support shafts 21 connected to the rear and parallel to each other, and the back cushion 22 fixedly arranged between the two support shafts 21, and several connecting rods (not shown in the figure) are arranged between the two support shafts 21 .

As shown in FIGS. 1 to 6 , the lower end of the support shaft 21 is provided with a first waist-shaped hole 211 extending along its length direction, and the wheelchair body 1 is provided with a first rotating shaft 4 passing through the first waist-shaped hole 211 . The wheelchair body 1 is provided with the first plug-in pipe 5 for the lower end of the support shaft 21 to be plugged into the rear seat back 2 to be in a normal leaning state for the back of the elderly. 2. The second insertion tube 6 is in the supine state for the elderly, and the second insertion tube 6 extends along the horizontal direction. The opening peripheral side of the first socket pipe 5 is provided with a first limiting piece 51, and the opening peripheral side of the second socketing pipe 6 is provided with a second limiting piece 61; When the first rotating shaft 4 is in contact and the supporting shaft 21 rotates around the first rotating shaft 4, the lowermost end of the supporting shaft 21 rotates towards the first insertion tube 5 and then touches the first limiting piece 51 and aligns with the first insertion tube 5. The lowermost end of the support shaft 21 is rotated towards the second insertion tube 6 and then abuts against the second limiting piece 61 and is aligned with the second insertion tube 6 .

As shown in Figures 1 to 6, a stabilizer 7 is rotatably connected between the upper ends of the two support shafts 21. When the support shaft 21 is inserted into the second socket pipe 6, the stabilizer 7 rotates to support the ground superior. The shape of the stabilizer 7 is "凵", the two ends of the stabilizer 7 are provided with a second waist-shaped hole 71, and the side of the support shaft 21 is provided with a second rotating shaft 212 passing through the second waist-shaped hole 71. When the support shaft 21 of the chair back 2 rotated to a horizontal state, the bottom of the stabilizer 7 was vertically supported on the ground after being drooped under the action of gravity. When the supporting shaft 21 moves along the horizontal direction and is plugged into the second socket pipe 6, the upper end of the stabilizing frame 7 is driven by the second rotating shaft 212 to move towards the direction close to the wheelchair body 1 and becomes inclined. When the supporting shaft 21 After being fully inserted into the second socket pipe 6, the second rotating shaft 212 is in contact with the upper end of the second waist-shaped hole 71 in this state and the bottom of the stabilizing frame 7 is supported on the ground after being drooped under the action of gravity. A limit block 213 is provided to limit the rotation of the inclined stable frame 7 when the support shaft 21 is fully inserted into the second socket pipe 6 .

As shown in Figures 1 to 2, the upper ends of the two support shafts 21 are respectively provided with multi-section telescopic rods 8, the extension direction of the multi-section telescopic rods 8 is the same as that of the support shafts 21, and the two multi-section telescopic rods 8 are far away from One end of the support shaft 21 is provided with a backing plate 9, and the backing plate 9 is provided with a headrest 10 for resting the head of the elderly.

As shown in Figures 1 to 2, the upper end of the support shaft 21 is provided with a push handle 15 extending toward the rear of the wheelchair body 1; direction extension.

Implementation effect: When an elderly person travels in a wheelchair and suddenly suffers from orthostatic hypotension, the accompanying personnel can perform the following operations: by pulling out the two support shafts 21 of the chair back 2 from the two first insertion tubes 5; The cooperation between a waist-shaped hole 211 and the first rotating shaft 4 rotates the angle of the chair back 2, so that the chair back 2 turns to a horizontal state, and then inserts the two supporting shafts 21 of the chair back 2 into the two second socket pipes 6 Then rotate the stable frame 7 to support it on the ground; then the headrest 10 is moved to a suitable position by lengthening the multi-section telescopic rod 8; finally, the elderly are made to lie flat on the back of the chair 2 to relieve symptoms, which is convenient for the elderly A person travels in a wheelchair.

In the process of rotating the two support shafts 21 of the chair back 2 to a horizontal state, firstly, the stabilizer 7 remains in a state of hanging under the action of gravity (and there is a certain degree of shaking), then the stabilizer 7 is supported on the ground, and finally the stabilizer 7 can be in the following three states: (1) the stabilizer 7 is in a vertical state and supported on the ground, and the second rotating shaft 212 is in contact with the lower end of the second waist-shaped hole 71 in this state; (2) the lower end of the stabilizer 7 Tilt towards the direction close to the wheelchair body 1 and support it on the ground, the second rotating shaft 212 is in contact with the upper end of the second waist-shaped hole 71 in this state; (3) The lower end of the stabilizer 7 tilts towards the direction away from the wheelchair body 1 and supports On the ground, the second rotating shaft 212 collides with the upper end of the second waist-shaped hole 71 when it is in this state, and the stabilizing frame 7 collides with the limiting block 213 . At the same time, when the support shaft 21 of the chair back 2 is inserted into the second socket pipe 6, both the chair back 2 and the stabilizing frame 7 move toward the direction close to the wheelchair body 1, if the stabilizing frame 7 is in the state (1) in the early stage and the state (3), the stabilizer 7 will be in the state (3) in the later stage to achieve a good supporting effect. If the stabilizer 7 is in the state (2) in the early stage, the escort will push the stabilizer 7 backward, and the stabilizer 7 It will also be in the state (3) in the later stage, so as to achieve a good supporting effect; finally, the above-mentioned structural design can facilitate and stabilize the frame 7 to quickly achieve a good supporting effect.

Embodiment 2: A multifunctional wheelchair with a supine function, as shown in Figure 7, differs from Embodiment 1 in that a gap 221 is provided on the side where the back cushion 22 is connected to the support shaft 21, and the armrest of the wheelchair body 1 3. The rear end is provided with a connecting belt 11. When the supporting shaft 21 is plugged into the first socket pipe 5, the connecting belt 11 bypasses the supporting shaft 21 from the gap 221 of the cushion 22. The middle part of the connecting belt 11 is provided with a Velcro rough surface 111 , one end of the connecting belt 11 bypassing the support shaft 21 is provided with a Velcro hook surface 112 for adhering to the Velcro bristle surface 111 .

Implementation effect: when the back of the chair 2 is for the back of the elderly to lean on, the back of the chair 2 is only inserted into the first socket 5 through the support shaft 21 to fix it. At this time, the connection stability of the back of the chair 2 will be poor, and the 2. The problem of being pulled out from the first insertion tube 5; at this time, the connection belt 11 is set on the armrest 3 of the wheelchair body 1, and the connection belt 11 bypasses the support shaft 21 from the gap 221 of the back cushion 22 and passes through the Velcro hair The surface 111 and the Velcro hook surface 112 are bonded together. At this time, the connection stability of the chair back 2 can be improved, and because the connecting belt 11 passes through the gap 221 of the back cushion 22, the chair back 2 cannot be inserted from the first socket 5. Dial out.

Embodiment 3: A multifunctional wheelchair with lying function, as shown in Fig. 8 and Fig. 9, differs from Embodiment 2 in that: the end surface of the support shaft 21 close to the second insertion pipe 6 is provided with a flat The installation groove 214 , a through hole 215 communicating with the installation groove 214 is provided on the side of the support shaft 21 , and a limiting hole 62 corresponding to the through hole 215 is provided on the peripheral side of the second socket tube 6 . A U-shaped metal shrapnel 13 is arranged in the installation groove 214, and both sides of the metal shrapnel 13 are pressed against the inner wall of the installation groove 214. One end of the metal shrapnel 13 is provided with a protruding through hole 215 for embedding in the limit hole 62. The limit protrusion 131 inside, the end of the limit protrusion 131 away from the metal dome 13 is hemispherical. When the support shaft 21 is inserted into the second insertion tube 6 and the upper end of the first waist-shaped hole 211 of the support shaft 21 is in contact with the first rotating shaft 4, the position-limiting protrusion 131 is just inserted into the position-limiting hole 62; And when the lower end of the first waist-shaped hole 211 of the support shaft 21 is in contact with the first rotating shaft 4 and the supporting shaft 21 rotates around the first rotating shaft 4 towards the second insertion tube 6, the limit projection 131 is in contact with the second limit. bit slice 61.

As shown in Fig. 8 and Fig. 9, at the same time, a pressing piece 14 is rotatably connected to the peripheral side of the second socket tube 6, and the pressing piece 14 is provided with a positioning protrusion 131 aligned with the position limiting hole 62 during the pressing process. Detach from the pressing protrusion 141 of the limiting hole 62 .

Implementation effect: Although the support shaft 21 has a certain degree of stability after being horizontally inserted into the second socket pipe 6, if the wheels of the wheelchair body 1 are not braked, it is easy to cause the support shaft 21 to slip along the second socket pipe 6 At this time, the position-limiting protrusion 131 of the metal shrapnel 13 is embedded in the position-limiting hole 62 of the second socket tube 6 for fixing, so as to play the role of reinforcement; at the same time, when the first waist-shaped hole 211 of the support shaft 21 When the lower end is in contact with the first rotating shaft 4 and the supporting shaft 21 rotates around the first rotating shaft 4 towards the second insertion tube 6, the limiting protrusion 131 is in contact with the second limiting piece 61, so that the supporting shaft 21 is plugged in. In the process of entering the second socket pipe 6, the limit protrusion 131 can be automatically retracted, thereby facilitating the insertion of the support shaft 21 into the second socket pipe 6; but after this design, the support shaft 21 is inserted into the first socket. When inserting into the connecting tube 5 , it is necessary to press the limiting protrusion 131 first, so that the support shaft 21 can be inserted into the first connecting tube 5 , and the limiting protrusion 131 can be pressed against the inner wall of the first connecting tube 5 It has the function of preventing the support shaft 21 from loosening after being inserted into the first socket pipe 5 .

This specific embodiment is only an explanation of the present invention, and it is not a limitation of the present invention. Those skilled in the art can make modifications to this embodiment without creative contribution as required after reading this specification, but as long as they are within the rights of the present invention All claims are protected by patent law.

Claims (6)

1. A multifunctional wheelchair with lying function, comprising a wheelchair body (1), a chair back (2) arranged on the wheelchair body (1), characterized in that: said chair back (2) includes two The back of the wheelchair body (1) is connected with parallel support shafts (21), and the back cushion (22) is arranged between the two support shafts (21). Connecting rod; the lower end of the support shaft (21) is provided with a first waist-shaped hole (211) extending along its length direction, and the wheelchair body (1) is provided with a first waist-shaped hole (211) passing through the first waist-shaped hole (211). The first rotating shaft (4) of the wheelchair body (1) is provided with a first plug-in tube (5) for the lower end of the support shaft (21) to be plugged into the back of the chair (2) to be in a normal state for the back of the elderly to lean on. , the wheelchair body (1) is provided with a second insertion tube (6) for the seat back (2) after the lower end of the support shaft (21) is inserted into the supine state for the elderly, and the second insertion tube ( 6) Extend along the horizontal direction; a stabilizer (7) is rotatably connected between the upper ends of the two support shafts (21), when the support shaft (21) is inserted into the second socket pipe (6) , the stable frame (7) is used to support on the ground after rotation; the upper ends of the two support shafts (21) are respectively provided with multi-section telescopic rods (8), and the extension of the multi-section telescopic rods (8) The direction is the same as the extension direction of the support shaft (21), and the two multi-section telescopic rods (8) are provided with a backing plate (9) away from the end of the support shaft (21), and the backing plate (9) is provided with a The headrest (10) on which the head of the elderly rests; the shape of the stable frame (7) is "凵" font, and the two ends of the stable frame (7) are provided with a second waist-shaped hole (71), so The side of the support shaft (21) is provided with a second rotating shaft (212) passing through the second waist-shaped hole (71). When the support shaft (21) of the chair back (2) rotates to a horizontal state, the stable The bottom of the frame (7) is vertically supported on the ground after being drooped under the action of gravity, and the second rotating shaft (212) interferes with the lower end of the second waist-shaped hole (71) in this state, when the supporting shaft (21) When moving along the horizontal direction and inserting into the second socket pipe (6), the upper end of the stabilizer (7) moves toward the direction close to the wheelchair body (1) driven by the second rotating shaft (212) and then becomes inclined, when the support shaft (21) is fully inserted into the second socket pipe (6), the second rotating shaft (212) is in contact with the upper end of the second waist-shaped hole (71) in this state and The bottom of the stabilizing frame (7) is supported on the ground after drooping under the action of gravity, and at the same time, the support shaft (21) is provided with a device that restricts the inclined shape when the support shaft (21) is fully inserted into the second insertion tube (6). The stop block (213) that the stable frame (7) rotates. 2. A multifunctional wheelchair with supine function according to claim 1, characterized in that: a first stopper (51) is provided on the opening peripheral side of the first insertion tube (5), and the The opening peripheral side of the second socket tube (6) is provided with a second limiting piece (61), when the lower end of the first waist-shaped hole (211) of the support shaft (21) is in contact with the first rotating shaft (4) and When the support shaft (21) rotates around the first rotating shaft (4), the lowermost end of the support shaft (21) rotates towards the first insertion tube (5) and then touches the first limiting piece (51) and aligns The first socket tube (5), the lowermost end of the support shaft (21) rotates towards the second socket tube (6) and then touches the second limiting piece (61) and aligns with the second socket tube (6) . 3. A multifunctional wheelchair with supine function according to claim 2, characterized in that: a gap (221) is provided on the side of the back cushion (22) connected to the support shaft (21), and the wheelchair body The rear end of the handrail (3) of (1) is provided with a connection belt (11), when the support shaft (21) is plugged into the first socket pipe (5), the connection belt (11) is connected from the back cushion (22) ) bypasses the support shaft (21) at the gap (221), the middle part of the connecting belt (11) is provided with a Velcro surface (111), and the connecting belt (11) is set around one end of the supporting shaft (21) There is a Velcro hook (112) for bonding on the Velcro rough surface (111). 4. A multifunctional wheelchair with lying function according to claim 2, characterized in that: a flat installation groove (214) is provided on the end surface of the support shaft (21) close to the second insertion tube (6). ), the side of the support shaft (21) is provided with a through hole (215) communicating with the installation groove (214), and the peripheral side of the second insertion tube (6) is provided with a limit position corresponding to the through hole (215) hole (62), the mounting groove (214) is provided with a U-shaped metal shrapnel (13), both sides of the metal shrapnel (13) are pressed against the inner wall of the mounting groove (214), and the metal shrapnel (13) One end of the shrapnel (13) is provided with a protruding through hole (215) and a limiting protrusion (131) embedded in the limiting hole (62), the limiting protrusion (131) is far away from the metal shrapnel (13) One end of the support shaft (21) is hemispherical; when the support shaft (21) is inserted into the second socket pipe (6) and the upper end of the first waist-shaped hole (211) of the support shaft (21) is aligned with the first rotating shaft (4) When in contact, the position-limiting protrusion (131) just fits into the position-limiting hole (62); When they are in contact and the support shaft (21) rotates around the first rotating shaft (4) toward the second insertion tube (6), the limiting protrusion (131) is in contact with the second limiting piece (61). 5. A kind of multifunctional wheelchair with supine function according to claim 4, characterized in that: the peripheral side of the second insertion pipe (6) is rotatably connected with a pressing piece (14), and the pressing piece ( 14) is provided with a pressing protrusion (141) which is aligned with the position limiting hole (62) and makes the position limiting protrusion (131) escape from the position limiting hole (62) during the pressing process. 6. A multifunctional wheelchair with a supine function according to claim 1, characterized in that: the upper end of the support shaft (21) is provided with a push handle (15) extending toward the rear of the wheelchair body (1); When the support shaft (21) is plugged into the first socket pipe (5), the push handle (15) extends along the horizontal direction.

Images