CN211862626U - Multifunctional bath chair for helping the aged - Google Patents

Abstract

The utility model belongs to the technical field of the old man nursing product, concretely relates to multi-functional helping old person bath chair. Comprises a chair seat main frame, a chair back main frame, a back cleaning device, a chair back angle adjusting device, a leg auxiliary lifting device, an auxiliary standing device, a left handrail and a right handrail; the chair back main frame is hinged to the chair seat main frame through a left hinge and a right hinge; the back cleaning device is arranged on the chair back general frame; the chair back angle adjusting device is arranged between the chair seat main frame and the chair back main frame; the leg lifting device and the auxiliary standing device are arranged on the seat main frame. The utility model provides a pair of multi-functional seat formula mechanical device of supplementary old person's bathing has not only solved the problem that the long time of old person's bathing stood inconveniently, easily slips, has still satisfied solitary old person's daily bathing problem, the comprehensive each position of washing health of the old person of being convenient for, and the function is comprehensive, safe and reliable.

Description

Multifunctional bath chair for helping the aged

Technical Field

The utility model belongs to the technical field of the old man nursing product, concretely relates to multi-functional helping old person bath chair.

Background

At present, the aging problem of the population in China is serious, and the number of the elderly living alone is also increased sharply. The self-cleaning of the old is an important link for keeping health, preventing diseases and ensuring the quality of life. Since the body function of the elderly gradually declines, the health condition deteriorates, and the sense of balance and flexibility are reduced, bathing in daily life becomes a significant problem for the elderly. Meanwhile, the elderly often fall and get injured during bathing. Although the special bathing brush for the old is available in the market, the flexibility of the limbs of the old is limited, and the bathing brush is inconvenient to use. The traditional device for assisting the old in bathing is mostly a single antiskid chair, only provides a sitting position for the old in bathing, and cannot help the old to clean the back and legs, assist the old to stand and the like; at present, the existing products for automatically assisting the old to take a bath are very few, and the serious problems that the old needs to stand for a long time, the waist is stressed, and the old with inconvenient actions cannot independently take a bath exist. Therefore, it is necessary to develop a device capable of effectively assisting the elderly to independently take a bath.

SUMMERY OF THE UTILITY MODEL

It is an object of the present invention to solve at least the above problems and to provide at least the advantages which will be described later.

In order to realize the purpose, the utility model provides a multifunctional bath chair for helping the aged.

Comprises a chair seat main frame, a chair back main frame, a back cleaning device, a chair back angle adjusting device, a leg auxiliary lifting device, an auxiliary standing device, a left handrail and a right handrail; the chair back main frame is hinged to the chair seat main frame through a left hinge and a right hinge; the back cleaning device is arranged on the chair back general frame; the chair back angle adjusting device is arranged between the chair seat main frame and the chair back main frame; the leg auxiliary lifting device and the auxiliary standing device are arranged on the seat main frame.

Further, the back cleaning device comprises a washboard mechanism, a washboard power mechanism and a lumbar support mechanism, wherein the washboard mechanism comprises a left chute, a right chute, a moving frame, a limiting wheel, a wheel shaft, cotton washing and a water pipe; the left sliding groove and the right sliding groove are oppositely arranged on the left side and the right side of the chair back general frame, and the limiting wheels are arranged on the movable frame through wheel shafts; the limiting wheel is clamped into the left sliding groove or the right sliding groove and used for limiting the moving frame to move along the track of the left sliding groove or the right sliding groove; the rubbing cotton is arranged on the movable frame, and the water pipe is connected with a spray head arranged on the movable frame; the washboard power mechanism comprises a guide rod, a guide sliding block, a washboard motor and a washboard connecting rod, the guide rod is arranged on the chair back main frame, the guide sliding block is slidably sleeved on the guide rod, two ends of the washboard connecting rod are respectively hinged with the guide sliding block and the moving frame, one end of the washboard motor is hinged with the chair seat main frame, and the other end of the washboard motor is fixedly connected with the guide sliding block.

The guide sliding block is driven to move on the guide rod through the linear motion of the washboard motor, and the moving frame moves along a curve under the limitation of the left sliding chute and the right sliding chute through the transmission of the washboard connecting rod; the curve grooves of the left sliding groove and the right sliding groove are matched with the lumbar curve of a human body, so that a more comfortable posture is provided for the old, and the back is cleaned more cleanly.

Furthermore, the chair back angle adjusting device comprises a chair back lifting motor, a crank and a pulley frame; the crank throw is hinged with the seat main frame; the pulley yoke is arranged on the chair back total frame and is slidably arranged on one arm of the crank in a penetrating way; one end of the chair back lifting motor is hinged with the chair seat main frame, and the other end of the chair back lifting motor is hinged with the crank.

Through the direct-acting motion of the chair back lifting motor, the crank is pushed to rotate around the pivot of the crank, the pulley frame is buffered by the first pulley and the second pulley, and the direct-acting motion is carried out along the long arm of the crank, so that the chair back main frame rotates around the hinge, and the angle adjustment of the chair back is realized.

Further, the auxiliary standing device comprises a sitting motor and a seat board, the sitting motor is arranged between the seat board and the seat main frame, and the seat board is hinged with the seat main frame.

Further, the auxiliary leg lifting device comprises a pedal, a pedal left wing, a pedal right wing, a pedal left wing steel wire, a pedal right wing steel wire, a pedal left wing hose, a pedal right wing hose, a left steel wire fixing ring, a right steel wire fixing ring, a toe plate connecting rod, a pawl and a ratchet plate; the pedal is movably sleeved on the two longitudinal beams of the seat main frame; the left wing and the right wing of the pedal plate are hinged on the pedal plate and are connected with the pedal plate through springs; one end of the pedal plate left fin steel wire is fixedly connected to the pedal plate left fin, and the other end of the pedal plate left fin steel wire penetrates through the pedal plate left fin hose and the left steel wire fixing ring and then is connected to the seat plate; one end of the pedal plate left wing hose is fixedly connected to the pedal plate, and the other end of the pedal plate left wing hose is fixedly connected to the left steel wire fixing ring; one end of the pedal right wing steel wire is fixedly connected to the pedal right wing, and the other end of the pedal right wing steel wire penetrates through the pedal right wing hose and the right steel wire fixing ring and then is connected to the seat plate; one end of the pedal plate right wing hose is fixedly connected to the pedal plate, and the other end of the pedal plate right wing hose is fixedly connected to the right steel wire fixing ring; the toe board is hinged on the pedal, and a spring is connected between the toe board and the pedal; the pawl is hinged to the pedal, a toe board connecting rod is hinged to the toe board, and the other end of the toe board connecting rod is connected with the pawl; the ratchet plate penetrates through the pedal plate and is arranged on the seat main frame.

When the seat board rotates to a horizontal position from an inclined position along a hinge point, the pedal plate left wing steel wire and the pedal plate right wing steel wire are pulled to be folded to the horizontal position, and the whole pedal plate can be pulled upwards by pulling the left wing and the right wing of the pedal plate upwards. After the pedal is pulled up to a certain position, the pawl is clamped into the ratchet plate, and the pedal is locked at any position. When the pedal is released, the toe plate is pressed down to rotate around the shaft, the toe plate drives the pawl to be loosened through the toe plate connecting rod, and the pedal can descend. When the seat board is lifted to an inclined position from a horizontal position, the pedal plate left wing steel wire and the pedal plate right wing steel wire are loosened, and the pedal plate left wing and the pedal plate right wing are reset to vertical positions.

Further, the leg portion auxiliary lifting device is connected with a damper (unidirectional rotation damper) connected with the foot board through a link.

The unidirectional rotation damper main body is fixed on the seat main frame. And the connecting rod end of the one-way damper is fixed on the pedal. When the pedal moves upwards, the one-way damper does not generate damping, and when the pedal slides downwards, the one-way damper generates constant resistance to limit the sliding speed of the pedal.

Further, the left armrest and the right armrest are respectively crossed on the left side and the right side of the seat main frame. Can be turned from a horizontal position to a vertical position.

Further, the lumbar support mechanism comprises a lumbar support sponge and a lumbar support sponge shaft; the lumbar vertebra supports the sponge axle setting and is in left side spout with between the right side spout, the lumbar vertebra supports the sponge and installs lumbar vertebra supports the epaxial.

Furthermore, the seat assembly frame is provided with a mounting rod extending forwards, the seat plate is provided with a connecting ear plate which is longer than the seat plate body, and the connecting ear plate is hinged to the mounting rod. So set up, the load that reduces the motor of sitting up when helping the old man to stand, more agrees with the bending of old man's shank simultaneously.

The washboard motor, the chair back lifting motor and the sitting motor are all waterproof push rod motors. The washboard motor, the chair back lifting motor, the sitting motor and the waterproof control circuit board are electrically connected, and the control circuit board is externally connected with the waterproof socket through a power line.

Compared with the prior art, the utility model has the advantages that:

the utility model provides a pair of multi-functional helping old person's bathing chair can assist the old person to sit and stand or half the bathing of lying, has solved the old person and has bathe long time stand and waist atress problem to this device can assist the old person to wash back, supplementary shank with the hands automatically and can assist the old person to stand after accomplishing the bathing. The potential safety hazard of the old people during bathing is solved, the daily bathing requirement of the old people is met, a better bathing effect is achieved, comfortable experience is provided for the old people during bathing, and physical and mental health of the old people is facilitated.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Figure 2 is a schematic view of a first view of the back washing apparatus.

Figure 3 is a schematic view of the back washing device from a second perspective.

Fig. 4 is a schematic view of the connection between the left and right chutes and the movable frame.

Fig. 5 is a schematic structural view of the auxiliary standing device from a first viewing angle.

Fig. 6 is a structural schematic diagram of the auxiliary standing device at a second viewing angle.

Fig. 7 is a schematic structural view of the leg-assisting lifting device.

Fig. 8 is a half sectional view of the footrest.

Fig. 9 is a schematic structural view of the chair back angle adjusting device.

Fig. 10 is a schematic view of the connection of the bell crank and the pulley yoke.

In the figure: 1-chair back general frame; 2-seat assembly frame; 3-left armrest; 4-right armrest; 5-left hinge; 6-right hinge; 7-a left chute; 8-right chute; 9-a movable rack; 10-a limiting wheel; 11-a wheel axle; 12-rubbing cotton; 13-rubbing cotton positioning rod; 14-washboard connecting rod; 15-washboard motor; 16-a guide bar; 17-a guide slide block; 18-lumbar support sponge; 19-lumbar support sponge shaft; 20-a spray head; 21-a water pipe; 22-chair back lifting motor; 23-crank throw; 24-a pulley yoke; 25-a pulley; 26-second pulley; 27-a foot pedal; 28-left wing of pedal plate; 29-foot pedal right wing; 30-left wing steel wire of the pedal plate; 31-foot pedal right wing steel wire; 32-foot pedal left wing hose; 33-foot pedal right wing hose; 34-a left wire fixing ring; 35-right wire fixing ring; 36-toe board; 37-toe board link; 38-a pawl; 39-ratchet plate; 40-a seat board; 41-a damper; 42-a sit-up motor; 201-mounting a rod; 4001-connecting ear plate.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings:

as shown in fig. 1-10: a multifunctional bath chair for helping the old comprises a chair seat main frame 2, a chair back main frame 1, a back cleaning device, a chair back angle adjusting device, a leg auxiliary lifting device, an auxiliary standing device, a left armrest 3 and a right armrest 4; the chair back main frame 1 is hinged to the chair seat main frame 2 through a left hinge 5 and a right hinge 6; the back cleaning device is arranged on the chair back general frame 1; the chair back angle adjusting device is arranged between the chair seat main frame 2 and the chair back main frame 1; the leg auxiliary lifting device and the auxiliary standing device are arranged on the seat main frame 2.

As shown in fig. 1, 2, 3 and 4, the back washing device comprises a washboard mechanism, a washboard power mechanism and a lumbar support mechanism. The washboard mechanism comprises a left chute 7, a right chute 8, a moving frame 9, a limiting wheel 10, a wheel shaft 11, washbasin 12, a washbasin positioning rod 13, a washboard connecting rod 14 and a water pipe 21. Left side spout 7, right spout 8 welded fastening are on back of the chair total frame 1's inward flange, four spacing wheel 10 is fixed on four angles of removing frame 9 through four spacing shaft 11, two liang of a set of card of spacing wheel 10 is gone into in left spout 7, the right spout 8, and the installation distance of left and right spout does remove the transverse width of frame 9, back of the chair total frame 1's width does distance between the lateral surface of left side spout 7 and right spout 8, remove frame 9 process spacing injectd of taking turns 10 can only follow the motion of curve orbit in left spout 7, right spout 8, can not do horizontal skew. The four protrusions on the back of the rubbing cotton 12 are clamped into the four rectangular holes of the movable frame 9, so that the four protrusions are fixed on the movable frame 9. The back of the movable frame 9 is hinged with a washboard connecting rod 14, and the water pipe 21 is connected with a spray head 20 arranged on the movable frame 9; the water in the water pipe 21 flows in through the pipe and is sprayed out from the two spray heads 20 on the front surface of the movable frame 9. The washboard power mechanism comprises a washboard motor 15, a guide rod 16 and a guide sliding block 17, the washboard motor 15 is fixed on the chair back general frame 1, the guide rod 16 is fixed on the chair back general frame 1 in an interference fit mode, the guide sliding block 17 is sleeved on the guide rod 16 and can longitudinally slide along the guide rod 16, a push rod part of the washboard motor 15 is fixedly connected with the guide sliding block 17, and the guide sliding block 17 is hinged with the washboard connecting rod 14 through a hole in the front side of the guide sliding block 17. Lumbar vertebrae supporting mechanism includes that lumbar vertebrae supports sponge 18, lumbar vertebrae and supports sponge axle 19, 19 interference fit of lumbar vertebrae support sponge axle is fixed left side spout 7 with on the left side spout 8, 18 covers are supported to the lumbar vertebrae support sponge axle 19 is last, lumbar vertebrae supports sponge 18 and can follow lumbar vertebrae supports sponge axle 19 and rotates but can not follow its lateral shifting. The guide slide block 17 is driven to move on the guide rod 16 through the linear motion of the washboard motor 15, and then the moving frame 9 moves along a curve under the limitation of the left chute 7 and the right chute 8 through the transmission of the washboard connecting rod 14.

As shown in fig. 9 and 10, the chair back angle adjusting device is composed of a chair back lifting motor 22, a crank 23 and a pulley frame 24. The pulley frame 24 is provided with a first pulley 25 and a second pulley 26. The fixed end of the chair back lifting motor 22 is fixed on the chair seat total frame 2, the inflection point of the crank 23 is hinged on the chair seat total frame 2, the pulley frame 24 is hinged and fixed on the chair back total frame 1, the first pulley 25 and the second pulley 26 are installed inside the pulley frame, the crank 23 penetrates through the pulley frame 24, the first pulley 25 and the second pulley 26 are respectively contacted with the inner side surface and the outer side surface of the crank 23, and the first pulley 25 and the second pulley 26 inside the pulley frame 24 just clamp the long arm of the crank 23, so that the crank 23 can only axially move relative to the pulley frame 24. The pulley frame 24, the first pulley 25, the second pulley 26 and the crank 23 jointly form a group of slider-crank mechanisms, the crank 23 is pushed to rotate around a fulcrum of the crank through the linear motion of the chair back lifting motor 22, the pulley frame 24 is buffered by the first pulley 25 and the second pulley 26 and does linear motion along a long arm of the crank 23, and then the chair back main frame 1 rotates around a hinge to realize the lifting of the chair back.

As shown in fig. 1, 6, 7 and 8, the leg auxiliary lifting device includes a foot pedal 27, a foot pedal left wing 28, a foot pedal right wing 29, a foot pedal left wing steel wire 30, a foot pedal right wing steel wire 31, a foot pedal left wing hose 32, a foot pedal right wing hose 33, a left steel wire fixing ring 34, a right steel wire fixing ring 35, a toe plate 36, a toe plate connecting rod 37, a pawl 38 and a ratchet plate 39. The seat board 40 is hinged and fixed on the seat main frame 2, the pedal plate 27 is sleeved on two steel beams of the seat main frame 2 and can slide up and down along the two steel beams, the pedal plate left wing 28 and the pedal plate right wing 29 are hinged on the pedal plate 27, the two wings are connected with the pedal plate 27 through springs, the pedal plate left wing steel wire 30 penetrates through the pedal plate left wing hose 32, one end of the pedal plate left wing steel wire is fixedly connected on the pedal plate left wing 28, and the other end of the pedal plate left wing steel wire penetrates through the left steel wire fixing ring 34 and then is connected on the seat board 40. The pedal right wing steel wire 31 penetrates through the pedal right wing hose 33, one end of the pedal right wing steel wire is fixedly connected to the pedal right wing 29, and the other end of the pedal right wing steel wire penetrates through the right steel wire fixing ring 35 and then is connected to the seat plate 40. The pedal left fin steel wire 30 is sleeved with a pedal left fin hose 32, one end of the pedal left fin hose is fixed on the pedal 40, and the other end of the pedal left fin hose is fixed on the left steel wire fixing ring 34. The foot pedal right wing steel wire outer sleeve 31 is provided with a foot pedal right wing hose 33, one end of the foot pedal right wing steel wire outer sleeve is fixed on the foot pedal 40, and the other end of the foot pedal right wing steel wire outer sleeve is fixed on the right steel wire fixing ring 35. The toe board 36 is hinged on the pedal 27, a spring is connected between the toe board 26 and the pedal 27, the pawl 38 is hinged on the pedal 27, a toe board connecting rod 37 is hinged on the bottom surface of the toe board 36, and the other end of the toe board connecting rod 37 is connected on the pawl 38. The ratchet plate 39 passes through the foot plate 27 and is welded to the seat frame 2. When the seat plate 40 rotates from the inclined position to the horizontal position along the hinge point, the pedal plate left wing steel wire 30 and the pedal plate right wing steel wire 31 are drawn, the pedal plate left wing 28 and the pedal plate right wing 29 are pulled to be folded to the horizontal position, and at the moment, the whole pedal plate 27 can be pulled upwards by pulling the left wing and the right wing of the pedal plate upwards. After being pulled up to a certain position, under the action of a spring between the toe plate 26 and the foot pedal 27, the pawl 38 is pushed by the toe plate connecting rod 37, and the pawl 38 is clamped in the ratchet plate 39, so that the foot pedal 27 is locked at any position. When the pedal 27 is released, the toe plate 36 is pressed down to pivot, which releases the pawl 38 via the toe plate link 37, and the pedal 27 is lowered. When the seat plate 40 is lifted from the horizontal position to the inclined position, the pedal left fin steel wire 30 and the pedal right fin steel wire 31 are loosened, and the pedal left fin 28 and the pedal right fin 29 are reset to the vertical position.

As shown in fig. 7, a damper 41 is connected to the leg assist lift, and the damper 41 is connected to the foot board 27 through a link. The damper is a 41-bit unidirectional rotation damper, and the unidirectional rotation damper main body is fixed on the seat main frame 2. The link end of the one-way damper 41 is fixed to the foot board 27. The one-way damper 41 does not generate damping when the pedal plate 27 moves upward, and the one-way damper 41 generates constant resistance to limit the speed of the downward sliding of the pedal plate 27 when the pedal plate 27 slides downward.

As shown in fig. 5, the standing assist apparatus includes a sitting-up motor 42 and a seat plate 40. The chair seat assembly frame 2 is provided with a mounting rod 201 extending forwards, the seat plate 40 is provided with a connecting ear plate 4001 which is longer than the seat plate body, and the connecting ear plate 4001 is hinged to the mounting rod 201. The seat plate 42 is rotated about its hinged end by the push of the sit-up motor 42.

The left handrail 3 and the right handrail 4 are hinged on the base main support and can be rotated to a vertical position from a horizontal position.

The utility model discloses a use method does: in the standby state of the bath chair, the seat plate 40 is lifted, and the left wing and the right wing of the pedal plate 27 are lifted. The user steps on the pedal 27 with his feet, holds the left and right armrests with both hands, sits on the seat plate 40, starts the sitting-up motor 42, and the sitting-up motor 42 makes the seat plate 40 slowly descend, and the old also slowly sit down along with it. After the seat is completely seated, the left and right wings of the footrest 27 are tightened to a horizontal state. The user activates the chair back lift motor 22 to adjust the chair back to a comfortable angle. Then the washboard motor 15 is started, the washboard motor 15 drives the moving frame 9 to do reciprocating motion in the sliding chute, the whole motion track fits the back curve of the user, meanwhile, the spray head 20 on the moving frame 9 sprays hot water and bath foam, and the washing cotton 12 on the moving frame 9 cleans the back of the user. After the back is cleaned, the user turns off the washboard motor 15, and the movable frame 9 stops working. The user can then use the instep to hook the foot pedal 27 (with the foot positioned between the foot pedal 27 and the foot pedal left wing 28 and foot pedal right wing 29) to the appropriate height to manually scrub the legs and feet. After the lower body washing is completed, the user presses the toe board 36 and the foot board 27 slowly descends to the ground under the buffering of the damper 41. Then the user can fold the left handrail and the right handrail to the vertical position, and other parts of the body can be cleaned by the aid of the additional shower head. When a user stands, the user holds the armrests with both hands, the sitting-up motor 42 is started, the sitting-up motor 42 slowly lifts the user to a standing posture, and simultaneously, the left wing and the right wing of the pedal plate 27 are driven by the seat plate 40 to be opened, so that the user can walk down from the chair without any obstruction.

Claims (9)

1. A multifunctional bath chair for helping the aged is characterized by comprising: the chair comprises a chair seat main frame (2), a chair back main frame (1), a back cleaning device, a chair back angle adjusting device, a leg auxiliary lifting device, an auxiliary standing device, a left handrail (3) and a right handrail (4); the chair back main frame (1) is hinged to the chair seat main frame (2) through a left hinge (5) and a right hinge (6); the back cleaning device is arranged on the chair back general frame (1); the chair back angle adjusting device is arranged between the chair seat main frame (2) and the chair back main frame (1); the auxiliary leg lifting device and the auxiliary standing device are arranged on the seat main frame (2).

2. The multifunctional bath chair for helping the aged according to claim 1, wherein: the back cleaning device comprises a washboard mechanism, a washboard power mechanism and a lumbar support mechanism; the washboard mechanism comprises a left chute (7), a right chute (8), a moving frame (9), a limiting wheel (10), a wheel shaft (11), washboards (12) and a water pipe (21); the left sliding groove (7) and the right sliding groove (8) are oppositely arranged on the left side and the right side of the chair back main frame (1), and the limiting wheels (10) are arranged on the movable frame (9) through wheel shafts (11); the limiting wheel (10) is clamped into the left sliding groove (7) or the right sliding groove (8); the scrubbing cotton (12) is arranged on the moving frame (9), and the water pipe (21) is connected with a spray head (20) arranged on the moving frame (9); the washboard power mechanism comprises a guide rod (16), a guide sliding block (17), a washboard motor (15) and a washboard connecting rod (14), the guide rod (16) is arranged on the chair back main frame (1), the guide sliding block (17) is slidably sleeved on the guide rod (16), two ends of the washboard connecting rod (14) are hinged to the guide sliding block (17) and the moving frame (9) respectively, one end of the washboard motor (15) is hinged to the chair seat main frame (2), and the other end of the washboard motor is fixedly connected with the guide sliding block (17).

3. The multifunctional bath chair for helping the aged according to claim 1, wherein: the chair back angle adjusting device comprises a chair back lifting motor (22), a crank (23) and a pulley yoke (24); the crank (23) is hinged with the seat main frame (2); the pulley yoke (24) is arranged on the chair back total frame (1), and the pulley yoke (24) is slidably arranged on one arm of the crank (23) in a penetrating manner; one end of the chair back lifting motor (22) is hinged with the chair seat main frame (2), and the other end is hinged with the crank (23).

4. The multifunctional bath chair for helping the aged according to claim 1, wherein: the auxiliary standing device comprises a sitting-up motor (42) and a seat plate (40), wherein the sitting-up motor (42) is arranged between the seat plate (40) and the seat main frame (2), and the seat plate (40) is hinged to the seat main frame (2).

5. The multifunctional bath chair for helping the aged according to claim 4, wherein: the leg auxiliary lifting device comprises a pedal (27), a pedal plate left wing (28), a pedal plate right wing (29), a pedal plate left wing steel wire (30), a pedal plate right wing steel wire (31), a pedal plate left wing hose (32), a pedal plate right wing hose (33), a left steel wire fixing ring (34), a right steel wire fixing ring (35), toe plates (36), toe plate connecting rods (37), pawls (38) and ratchet plates (39); the pedal (27) is movably sleeved on the two longitudinal beams of the seat main frame (2); the pedal plate left wing (28) and the pedal plate right wing (29) are hinged on the pedal plate (27) and are connected with the pedal plate (27) through springs; one end of the pedal plate left fin steel wire (30) is fixedly connected to the pedal plate left fin (28), and the other end of the pedal plate left fin steel wire penetrates through the pedal plate left fin hose (32) and the left steel wire fixing ring (34) and then is connected to the seat plate (40); one end of the pedal plate left wing hose (32) is fixedly connected to the pedal plate (27), and the other end of the pedal plate left wing hose is fixedly connected to the left steel wire fixing ring (34); one end of the pedal right wing steel wire (31) is fixedly connected to the pedal right wing (29), and the other end of the pedal right wing steel wire (31) penetrates through the pedal right wing hose (33) and the right steel wire fixing ring (35) and then is connected to the seat plate (40); one end of the pedal plate right wing hose (33) is fixedly connected to the pedal plate (27), and the other end of the pedal plate right wing hose is fixedly connected to the right steel wire fixing ring (35); the toe board (36) is hinged on the pedal (27), and a spring is connected between the toe board (36) and the pedal (27); the pawl (38) is hinged on the pedal (27), a toe board connecting rod (37) is hinged on the toe board (36), and the other end of the toe board connecting rod (37) is connected with the pawl (38); the ratchet plate (39) penetrates through the pedal plate (27) and is arranged on the seat main frame (2).

6. The multifunctional bath chair for helping the aged according to claim 5, wherein: the leg auxiliary lifting device is connected with a damper (41), and the damper (41) is connected with the pedal (27) through a connecting rod.

7. The multifunctional bath chair for helping the aged according to claim 1, wherein: the left handrail (3) and the right handrail (4) are respectively connected with the left side and the right side of the seat main frame (2).

8. The multifunctional bath chair for helping the aged according to claim 2, wherein: the lumbar supporting mechanism comprises a lumbar supporting sponge (18) and a lumbar supporting sponge shaft (19); lumbar vertebrae supports sponge axle (19) and sets up left spout (7) with between right spout (8), lumbar vertebrae supports sponge (18) and installs on lumbar vertebrae supports sponge axle (19).

9. The multifunctional bath chair for helping the aged according to claim 4, wherein: be provided with installation pole (201) that extend forward on seat support total frame (2), be provided with on bedplate (40) and be longer than connect otic placode (4001) of bedplate body, connect otic placode (4001) with installation pole (201) are articulated.

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