CN216675586U - Sitting bathtub - Google Patents

Abstract

The utility model relates to the field of bathtubs, in particular to a sitting-in type bathtub, which comprises a bathtub body, a seat and a driving mechanism, wherein the driving mechanism is connected between the bathtub body and the seat and can drive the seat to move to the inside, the upper part, the lateral upper part and the lateral side of the bathtub body, the bathtub body is also connected with a supporting assembly capable of extending out of and retracting into the lateral side of the bathtub body, and the supporting assembly can prevent the bathtub body from turning on the side. When the sitting-in bathtub is used, the seat firstly moves to the side of the bathtub body from the inside of the bathtub body, a user sits on the seat outside the bathtub body, then the seat sequentially moves to the side upper part, the upper part and the inside of the bathtub body, and the user can enter the bathtub body to take a bath; after bathing, the seat moves reversely to send the user out of the cylinder body; through foretell action setting, can the person of facilitating the use business turn over cylinder body, and have higher security.

Description

Sitting-in type bathtub

Technical Field

The utility model relates to the field of bathtubs, in particular to a sitting-in bathtub.

Background

With the continuous development of economy, the living standard of people is higher and higher, and the demand for high-quality medical treatment or old care is also higher.

Bathing is an essential link of life, and is a difficult task for people who have inconvenient actions or need to sit on a wheelchair for a long time. For this reason, there is a bathtub provided with a seat in which a user can sit for bathing. However, the seat is located in the bathtub, and the user still needs to turn over the wall of the bathtub to sit on the seat, which is difficult for the people who are inconvenient to move or sit on the wheelchair. For this reason, there is a need to develop a sitting-in bathtub that facilitates the user's entry and exit, and at the same time, to improve the safety of the user when entering and exiting the bathtub.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a sitting-in bathtub, which is convenient for a user to get in and out of the bathtub and has higher safety.

In order to achieve the above purpose, the present invention provides a sitting-in bathtub, comprising a tub body and a seat, further comprising a driving mechanism, wherein the driving mechanism is connected between the tub body and the seat, the driving mechanism can drive the seat to move to the inside, above, laterally above and laterally beside the tub body, the tub body is further connected with a supporting component which can extend and retract from the tub body to the laterally, and the supporting component can prevent the tub body from turning to the side; when the seat is located the side of cylinder body, the supporting component is the state of stretching out, when the seat is located the inside of cylinder body, the supporting component is the state of retracting.

Further, the support assembly includes a projecting foot and a driver; the extending foot is connected to the bottom of the cylinder body in a sliding mode, and the driver is connected with the extending foot to drive the extending foot to extend and retract.

Furthermore, the bottom of the cylinder body is connected with a cylindrical guide cylinder, the length direction of the guide cylinder is parallel to the width direction of the cylinder body, the extending feet are connected in the guide cylinder in a sliding manner, and the tail ends of the extending feet are connected with pulleys; the driver is an electric window opener, the length direction of the electric window opener is parallel to the length direction of the cylinder body, the middle of the electric window opener is provided with a telescopic portion, and the telescopic portion is connected with the extending foot.

Further, the driving mechanism comprises a lifting assembly, a rotating frame and a rotating assembly; the lifting assembly is connected to the cylinder body, the rotating frame is rotatably connected to the top end of the lifting assembly, the rotating assembly is connected to the lifting assembly and the rotating frame to drive the rotating frame to rotate around a vertical axis relative to the lifting assembly, and the seat is connected to the rotating frame.

Further, the rotating assembly comprises a fixed gear, a rack and an electric push rod; the fixed gear is fixedly connected to the top end of the lifting assembly, the rotating axis of the rotating frame is coaxial with the middle shaft of the fixed gear, the electric push rod is installed on the rotating frame, the rack is installed at the output end of the electric push rod, and the rack is meshed with the fixed gear.

Further, be provided with in the swivel mount and be used for adjusting the seat for the angle of inclination of swivel mount, work as the seat is located during the side of cylinder body, angle adjusting component makes the seat is in sitting posture, works as the seat is located during the inside of cylinder body, angle adjusting component makes the seat is in the gesture of leaning on by crouching, the angle between the cushion of seat and the horizontal plane is greater than under sitting posture under the gesture of leaning on by crouching.

Further, the angle adjusting assembly comprises a motor, a screw rod, a sliding block and a transmission piece; the sliding block is connected to the rotating frame in a sliding mode, the screw is connected to the rotating frame in a rotating mode and driven to rotate by the motor, the screw is in threaded transmission with the sliding block to drive the sliding block to slide towards and away from the seat, and the sliding block is provided with a wedge surface; the seat is hinged to the rotating frame, the transmission piece is fixedly connected with the seat, and the transmission piece is abutted by the wedge surface.

Further, the seat still includes the shank cushion, the shank cushion articulates the cushion, should sit formula bathtub still includes and is used for adjusting the shank cushion for the gesture adjusting part of the angle of cushion, works as the seat is located during the side of cylinder body, gesture adjusting part makes the shank cushion is in the flagging gesture, works as the seat is located during the inside of cylinder body, gesture adjusting part makes the shank cushion is in and lifts the gesture, the angle between shank cushion and the cushion is being greater than under the flagging gesture under lifting the gesture.

Further, the posture adjusting assembly comprises a tightening line and a tightening sleeve, the tightening line is partially sleeved in the tightening sleeve, two ends of the tightening line protrude out of the tightening sleeve, a first end of the tightening line is connected with the shank back cushion, a second end of the tightening line is connected with the rotating frame, a first end of the tightening sleeve is connected with the cushion, and a second end of the tightening sleeve is connected with the sliding block.

Further, when the seat is located beside the cylinder body, the lifting assembly extends, the rotating assembly rotates right and then is in a state, the supporting assembly is in an extending state, the seat is in a sitting posture, and the shank cushion is in a drooping posture; when the seat is positioned above the side of the cylinder body, the lifting assembly extends, the rotating assembly rotates rightwards to be in a rear state, the supporting assembly is in an extending state, the seat is in a lying and leaning posture, and the shank cushion is in a lifting posture; when the seat is positioned above the cylinder body, the lifting assembly extends, the rotating assembly is in a left-rotating state, the supporting assembly is in an extending state, the seat is in a lying and leaning posture, and the shank cushion is in a lifting posture; when the seat is located in the cylinder body, the lifting assembly is shortened, the rotating assembly is in a left-rotating rear state, the supporting assembly is in a retracted state, the seat is in a lying posture, and the shank cushion is in a lifting posture.

According to the sitting-in bathtub provided by the utility model, the seat moves to the side of the bathtub body from the inside of the bathtub body, a user sits on the seat outside the bathtub body, then the seat moves to the side upper part, the upper part and the inside of the bathtub body in sequence, and the user can enter the bathtub body to take a bath; after bathing, the seat moves reversely to send the user out of the cylinder body; the user can conveniently get in and out the cylinder body; meanwhile, the sitting-in bathtub is also provided with the supporting assembly, so that the phenomenon that the bathtub body turns over when a seat is sitting on a person can be avoided, and the safety is greatly improved.

Drawings

FIG. 1 is a schematic view of the structure of a seating-type bathtub of the present invention when the seat is located on the side of the tub body;

FIG. 2 is a schematic view of the structure of the seating-type bathtub of the present invention when the seat is on the side of the tub body;

FIG. 3 is a schematic view of the structure of the seating-type bathtub of the present invention when the seat is above the tub;

FIG. 4 is a schematic view of the structure of the seating-type bathtub of the present invention when the seat is inside the tub body;

FIG. 5 is a schematic view of the bottom of the seating bathtub of the present invention;

FIG. 6 is a schematic view of the attitude of the seat when it is alongside the cylinder;

fig. 7 is a schematic view of the posture of the seat when the seat is inside the cylinder;

FIG. 8 is a first schematic structural view of the lift assembly, the swivel mount, the swivel assembly and the seat disassembled;

FIG. 9 is a second schematic structural view of the lift assembly, the swivel mount, the swivel assembly and the seat disassembled;

FIG. 10 is a partial schematic view of the seat and swivel mount;

fig. 11 is a partial structural view of the seat cushion and the lower leg rest.

[ description of reference ]

1-a cylinder body;

2-seat, 21-cushion, 22-shank cushion;

3-support component, 31-extending foot, 32-driver, 33-guide cylinder;

4-a lifting assembly;

5-rotating frame, 51-damper;

6-rotating component, 61-fixed gear, 62-rack, 63-electric push rod;

7-angle adjusting component, 71-motor, 72-screw, 73-slide block, 731-wedge surface, 74-transmission piece, 741-roller and 75-sliding guide block;

8-posture adjusting component, 81-tightening line and 82-tightening sleeve.

Detailed Description

The present invention will be described in detail with reference to specific examples.

In the present application, when directional terms are used, they are used for convenience in describing the utility model and to simplify the description, but do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and should not be construed as limiting the particular scope of the utility model. In the present invention, unless otherwise explicitly specified or limited, when terms such as "disposed on", "connected" or "connected" are present, these terms are to be interpreted broadly, for example, as being either fixedly connected or detachably connected or integrally connected; or may be a mechanical connection; the two elements can be directly connected or connected through an intermediate medium, and the two elements can be communicated with each other. In the present invention, unless otherwise specified and limited, when the presence of "upper" and "lower" as in the first feature is described in the second feature, it may include that the first feature is in direct contact with the second feature, and may also include that the first feature is in contact with the second feature not in direct contact but through another feature therebetween.

The utility model provides a sitting-in bathtub, which comprises a bathtub body 1 and a seat 2 and further comprises a driving mechanism, wherein the driving mechanism is connected between the bathtub body 1 and the seat 2, the driving mechanism can drive the seat 2 to move to the inner part, the upper part, the side upper part and the side of the bathtub body 1, the bathtub body 1 is further connected with a supporting component 3 which can extend and retract from the bathtub body 1 to the side (namely the side which the seat 2 can reach), and the supporting component 3 prevents the bathtub body 1 from side turning over.

Based on the structure, when the sitting-in bathtub is used, the seat 2 firstly moves to the side of the bathtub body 1 from the inside of the bathtub body 1, a user sits on the seat 2 outside the bathtub body 1, then the seat 2 sequentially moves to the side upper part, the upper part and the inside of the bathtub body 1, and the user can enter the bathtub body 1 to take a bath; after bathing, the seat 2 moves reversely to send the user out of the cylinder body 1, so that the user can conveniently go in and out of the cylinder body 1; simultaneously, this kind of sitting income formula bathtub has still set up supporting component 3, if when not the injected water in cylinder body 1, the total weight of cylinder body 1 is lighter, and the people sits back on seat 2, and cylinder body 1 takes place to turn on one's side easily, and this scheme can avoid foretell condition to take place through setting up supporting component 3, has improved the security greatly.

In the present embodiment, when the seat 2 is located on the side of the cylinder 1, the support assembly 3 is in an extended state, and when the seat 2 is located inside the cylinder 1, the support assembly 3 is in a retracted state. Based on the above arrangement, when the seat 2 is returned to the inside of the cylinder 1, the support assembly 3 is retracted, so that a person tripping over the support assembly 3 can be avoided. Preferably, as shown in fig. 5, the support assembly 3 comprises a projecting foot 31 and a driver 32; the extension leg 31 is slidably connected to the bottom of the cylinder 1, and the driver 32 is connected to the extension leg 31 to drive the extension leg 31 to extend and retract. Based on the above arrangement, by providing the driver 32 to extend and retract the extension foot 31, the benefits of electrically controlling and coordinating the movement of other components can be realized; of course, it is also possible to achieve the extension and retraction of the extension foot 31 without using an electric means, for example, manually, and such an alternative would fall within the scope of the present invention.

In this embodiment, a cylindrical guide tube 33 is connected to the bottom of the cylinder 1, the longitudinal direction of the guide tube 33 is parallel to the width direction of the cylinder 1, the projecting leg 31 is slidably connected in the guide tube 33, and the end of the projecting leg 31 is connected to a pulley. Based on the above-mentioned structural arrangement, the guide tube 33 guides the extension and retraction of the projecting foot 31, so that the stability of the movement of the projecting foot 31 can be improved, and the swing of the projecting foot 31 can be reduced. Preferably, the driver 32 is an electric window opener, the length direction of the electric window opener is parallel to the length direction of the cylinder body 1, the middle part of the electric window opener is provided with a telescopic part, and the telescopic part is connected with the extending foot 31. The electric window opener mentioned in the scheme is the prior art, and the structure of the electric window opener is not described in detail in the application. Due to the structural characteristics of the electric window opener, the width of the cylinder body 1 can be occupied as little as possible, more width space can be reserved for installing the extending feet 31, the length of the extending feet 31 can be as long as possible, and the anti-rollover effect is improved; meanwhile, the electric window opener is adopted to realize the extension and retraction of the extending foot 31, and is easy to realize, low in manufacturing cost and simple in structure.

In the present embodiment, as shown in fig. 8 and 9, the driving mechanism includes the lifting assembly 4, the rotating frame 5, and the rotating assembly 6; lifting unit 4 connects at cylinder body 1, and 5 rotations of swivel mount are connected on lifting unit 4's top, and rotating unit 6 connects between lifting unit 4 and swivel mount 5 in order to drive swivel mount 5 and rotate around vertical axis for lifting unit 4, and seat 2 is connected at swivel mount 5. Based on the structure, the lifting component 4 drives the seat 2 to lift relative to the cylinder body 1 when working; the rotating assembly 6 drives the seat 2 to horizontally rotate relative to the cylinder body 1 when working; the above components cooperate to make the seat 2 complete the operations of ascending from the inside of the cylinder 1 to the upper side of the cylinder 1, rotating from the upper side of the cylinder 1 to the upper side of the cylinder 1, and descending from the upper side of the cylinder 1 to the side of the cylinder 1, and after the user sits on the seat 2, the above operations are performed in the reverse direction, and the seat can enter into the cylinder 1.

In the present embodiment, the rotating assembly 6 includes a fixed gear 61, a rack 62, and an electric push rod 63; the fixed gear 61 is fixedly connected to the top end of the lifting assembly 4, the rotation axis of the rotating frame 5 is coaxial with the middle shaft of the fixed gear 61, the electric push rod 63 is installed on the rotating frame 5, the rack 62 is installed at the output end of the electric push rod 63, and the rack 62 is meshed with the fixed gear 61. Based on the above structure, when the electric push rod 63 extends or retracts, the rack 62 is meshed with the fixed gear 61 for transmission, and the rotating frame 5 rotates. Of course, besides the rotating assembly 6 provided in this embodiment, there are many mechanisms in the mechanical field that can realize the relative rotation of two components, and similar alternatives cannot be listed, but the similar alternatives also fall into the protection scope of the present invention. In order to improve the safety of the sitting-in bathtub and reduce the swing of the seat, at least two sets of dampers 51 are further arranged between the top end of the lifting assembly 4 and the rotating frame 5, when the rotating frame 5 rotates in place, the rotating frame 5 presses the dampers 51, and the rotating frame 5 is tightly pressed.

In the present embodiment, an angle adjusting assembly 7 for adjusting the inclination angle of the seat 2 with respect to the swivel frame 5 is provided in the swivel frame 5, as shown in fig. 6, when the seat 2 is located at the side of the cylinder block 1, the angle adjusting assembly 7 brings the seat 2 into the sitting posture, as shown in fig. 7, when the seat 2 is located inside the cylinder block 1, the angle adjusting assembly 7 brings the seat 2 into the reclining posture, and the angle between the cushion 21 of the seat 2 and the horizontal plane is greater in the reclining posture than in the sitting posture. Based on foretell structure setting, can change the inclination of seat 2, make seat 2 have different angles when waiting for the user to sit and when bathing, when seat 2 moves 1 side of cylinder body and waits for the user to sit, seat 2 is in the sitting posture, the user is just sitting at seat 2, conveniently sit, also reduce the risk that drops, when seat 2 is located the inside of cylinder body 1, seat 2 changes into the gesture of leaning on to crouch, the user leans on to sit at seat 2, make more health position bubble in aqueous. The arrangement facilitates the user to go up and down the seat 2 and take a bath, and the safety and the comfort level can be improved.

In the present embodiment, as shown in fig. 8 to 10, the angle adjustment assembly 7 includes a motor 71, a screw 72, a slider 73, and a transmission member 74; the rotating frame 5 is provided with a sliding guide block 75, the sliding block 73 is connected to the sliding guide block 75 in a sliding manner, the screw 72 is rotatably connected to the rotating frame 5 and is driven to rotate by the motor 71, the screw 72 and the sliding block 73 are in threaded transmission so as to drive the sliding block 73 to slide in the direction approaching to and separating from the seat 2, and the sliding block 73 is provided with a wedge surface 731; the seat 2 is hinged to the rotating frame 5, the transmission member 74 is fixedly connected to the seat 2, and the transmission member 74 is pressed against by the wedge surface 731. Based on the above configuration, when the slider 73 slides in a direction approaching the seat 2, the wedge surface 731 pushes the transmission member 74, the seat 2 is moved to the reclining position by the transmission of the transmission member 74, and when the slider 73 slides in a direction away from the seat 2, the wedge surface 731 retracts, and the seat 2 is moved to the sitting position by gravity. In addition, in order to reduce the friction between the transmission member 74 and the wedge surface 731, a roller 741 is further disposed at a contact position of the transmission member 74 and the wedge surface 731.

In the present embodiment, the seat 2 includes a seat cushion 21 and a lower leg cushion 22, the lower leg cushion 22 is hinged to the seat cushion 21, the sitting-in bathtub further includes a posture adjustment assembly 8 for adjusting an angle of the lower leg cushion 22 with respect to the seat cushion 21, as shown in fig. 6, the posture adjustment assembly 8 brings the lower leg cushion 22 into a hanging posture when the seat 2 is located on the side of the cylinder block 1, as shown in fig. 7, the posture adjustment assembly 8 brings the lower leg cushion 22 into a lifting posture when the seat 2 is located inside the cylinder block 1, and the angle between the lower leg cushion 22 and the seat cushion 21 is larger in the lifting posture than in the hanging posture. The arrangement described above enables the calf cushion 22 to lift the calves to a certain extent when the user is located in the cylinder 1, improving the comfort of the user.

In this embodiment, the posture adjustment assembly 8 includes a tightening wire 81 and a tightening sleeve 82, the tightening wire 81 is partially sleeved in the tightening sleeve 82, and both ends of the tightening wire 81 protrude out of the tightening sleeve 82, a first end of the tightening wire 81 is connected to the lower leg rest 22, a second end of the tightening wire 81 is connected to the rotating frame 5, a first end of the tightening sleeve 82 is connected to the seat cushion 21, and a second end of the tightening sleeve 82 is connected to the sliding block 73. As shown in fig. 10 and 11, when the sliding block 73 moves, the second end of the tightening sleeve 82 is moved, and the second end of the tightening sleeve 82 moves relative to the second end of the tightening wire 81, so that the first end of the tightening wire 81 also moves relative to the first end of the tightening sleeve 82, so as to adjust the angle of the lower leg cushion 22 relative to the seat cushion 21. Based on the arrangement, the posture adjustment of the lower leg cushion 22 and the posture adjustment of the seat 2 are synchronously performed, and share one power source, namely when the sliding block 73 slides, the seat 2 and the lower leg cushion 22 simultaneously adjust the postures, so that the requirement of the whole posture adjustment of the seat 2 is met, the structure is simplified, and the probability of action errors is reduced.

Based on the above arrangement, when the seat 2 of the hip bath type bathtub is respectively located inside, above, laterally above and beside the tub body 1, the states of the respective components are as follows:

as shown in fig. 1, when the seat 2 is located beside the cylinder 1, the lifting assembly 4 is extended, the rotating assembly 6 is in a right-rotated state, the supporting assembly 3 is in an extended state, the seat 2 is in a sitting posture, and the shank cushion 22 is in a drooping posture, so that a user can conveniently sit on the seat 2 and sit well;

as shown in fig. 2, when the seat 2 is positioned laterally above the cylinder 1, the lifting assembly 4 is extended, the rotating assembly 6 is in a right-hand rotation state, the support assembly 3 is in an extended state, the seat 2 is in a lying posture, and the lower leg cushion 22 is in a lifted posture, so that the seat 2 does not collide with the cylinder 1 when rotating;

as shown in fig. 3, when the seat 2 is positioned above the cylinder 1, the lifting unit 4 is extended, the rotating unit 6 is rotated to the left, the support unit 3 is extended, the seat 2 is in a lying posture, and the lower leg rest 22 is in a lifted posture;

as shown in fig. 4, when the seat 2 is located inside the cylinder 1, the lifting unit 4 is shortened, the rotating unit 6 is rotated to the left, the support unit 3 is retracted, the seat 2 is in the reclining position, and the lower leg cushion 22 is in the lifting position, so that the user can feel the whole body immersed in water.

Through the linkage of the components, the sitting-in bathtub has the advantages of compact structure, higher safety and comfortable use.

To sum up, this kind of sitting income formula bathtub person of facilitating the use passes in and out, also can give the better shower experience of user, and avoid turning on one's side, has higher security.

The features of the embodiments and embodiments described above may be combined with each other without conflict.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention. Without departing from the principle of the utility model, several modifications and refinements can be made, and these modifications and refinements are also considered to be within the scope of the present invention.

Claims (10)

1. A sitting-in bathtub comprises a bathtub body and a seat, and is characterized in that: the seat is driven to move to the inside, above, laterally above and beside of the cylinder body, the cylinder body is further connected with a supporting assembly capable of extending out of and retracting from the cylinder body to the side, and the supporting assembly prevents the cylinder body from turning on the side;

when the seat is located the side of cylinder body, the supporting component is the state of stretching out, when the seat is located the inside of cylinder body, the supporting component is the state of retracting.

2. A seating bathtub as defined in claim 1, wherein: the support assembly includes a projecting foot and a driver;

the extending foot is connected to the bottom of the cylinder body in a sliding mode, and the driver is connected with the extending foot to drive the extending foot to extend and retract.

3. A seating bathtub as defined in claim 2, wherein: the bottom of the cylinder body is connected with a cylindrical guide cylinder, the length direction of the guide cylinder is parallel to the width direction of the cylinder body, the extending foot is connected in the guide cylinder in a sliding manner, and the tail end of the extending foot is connected with a pulley; the driver is an electric window opener, the length direction of the electric window opener is parallel to the length direction of the cylinder body, the middle of the electric window opener is provided with a telescopic portion, and the telescopic portion is connected with the extending foot.

4. A seating bathtub according to any of the claims 1 to 3, characterized in that: the driving mechanism comprises a lifting assembly, a rotating frame and a rotating assembly;

the lifting assembly is connected to the cylinder body, the rotating frame is rotatably connected to the top end of the lifting assembly, the rotating assembly is connected to the lifting assembly and the rotating frame to drive the rotating frame to rotate around a vertical axis relative to the lifting assembly, and the seat is connected to the rotating frame.

5. A seating bathtub according to claim 4, characterized in that: the rotating assembly comprises a fixed gear, a rack and an electric push rod;

the fixed gear is fixedly connected to the top end of the lifting assembly, the rotating axis of the rotating frame is coaxial with the middle shaft of the fixed gear, the electric push rod is installed on the rotating frame, the rack is installed at the output end of the electric push rod, and the rack is meshed with the fixed gear.

6. A seating bathtub according to claim 4, characterized in that: be provided with in the swivel mount and be used for the adjustment the seat for the angle of inclination's of swivel mount angle adjusting part works as the seat is located during the side of cylinder body, angle adjusting part makes the seat is in sitting posture, works as the seat is located during the inside of cylinder body, angle adjusting part makes the seat is in the posture of leaning on by the crouching, angle between the cushion of seat and the horizontal plane is greater than under sitting posture lying by the posture.

7. A seating bathtub according to claim 6, characterized in that: the angle adjusting component comprises a motor, a screw rod, a sliding block and a transmission piece;

the sliding block is connected to the rotating frame in a sliding mode, the screw is connected to the rotating frame in a rotating mode and driven to rotate by the motor, the screw is in threaded transmission with the sliding block so as to drive the sliding block to slide towards and away from the seat, and the sliding block is provided with a wedge surface;

the seat is hinged to the rotating frame, the transmission piece is fixedly connected with the seat, and the transmission piece is abutted by the wedge surface.

8. A seating bathtub as defined in claim 7, wherein: the seat further comprises a shank cushion hinged to the seat cushion, the sitting-in bathtub further comprises a posture adjusting assembly used for adjusting the angle of the shank cushion relative to the seat cushion, when the seat is located on the side of the cylinder body, the posture adjusting assembly enables the shank cushion to be in a falling posture, when the seat is located inside the cylinder body, the posture adjusting assembly enables the shank cushion to be in a lifting posture, and the angle between the shank cushion and the seat cushion is larger than that of the falling posture under the lifting posture.

9. A seating bathtub as defined in claim 8, wherein: the posture adjusting assembly comprises a tightening line and a tightening sleeve, the tightening line is partially sleeved in the tightening sleeve, two ends of the tightening line protrude out of the tightening sleeve, a first end of the tightening line is connected with the shank back cushion, a second end of the tightening line is connected with the rotating frame, a first end of the tightening sleeve is connected with the cushion, and a second end of the tightening sleeve is connected with the sliding block.

10. A seating bathtub as defined in claim 8, wherein:

when the seat is located beside the cylinder body, the lifting assembly extends, the rotating assembly is in a right-rotating state, the supporting assembly is in an extending state, the seat is in a sitting posture, and the shank cushion is in a drooping posture;

when the seat is positioned above the side of the cylinder body, the lifting assembly extends, the rotating assembly rotates rightwards to be in a rear state, the supporting assembly is in an extending state, the seat is in a lying and leaning posture, and the shank cushion is in a lifting posture;

when the seat is positioned above the cylinder body, the lifting assembly extends, the rotating assembly is in a left-rotating state, the supporting assembly is in an extending state, the seat is in a lying and leaning posture, and the shank cushion is in a lifting posture;

when the seat is located in the cylinder body, the lifting assembly is shortened, the rotating assembly is in a left-rotating rear state, the supporting assembly is in a retracted state, the seat is in a lying posture, and the shank cushion is in a lifting posture.

Images