CN111870168A - A seat type cleaning device - Google Patents

Abstract

A seat-type scrubbing integrated bathing chair for assisting the shoulder and back scrubbing of the elderly, comprising a seat-type outer frame, a shoulder scrubbing device, a back scrubbing device, a lifting device and an electric control system, the seat-type outer frame It includes a backrest frame and a seat frame, the shoulder scrubbing device and the back scrubbing device are sequentially installed on the backrest frame from top to bottom, the seat cushion outer frame of the seat frame is composed of a movable inner seat surface, the seat A sprayer is installed on the bracket on the left side of the frame, and the electric control system is respectively connected with the shoulder scrubbing device and the back scrubbing device through the adjustment device on the shoulder. The invention provides a seat-type scrubbing-integrated bathing chair for assisting the washing of the shoulders and backs of the elderly, which not only solves the daily bathing safety of the elderly, but also satisfies the daily bathing needs of the elderly, and has a good scrubbing effect. And it can promote their health, the assisting device satisfies the assisting needs of the frail old people, and has a better human-machine relationship.

Description

A seat type cleaning device

technical field

The invention relates to the technical field of elderly care products, in particular to a seat-type scrubbing and lifting bath chair for assisting the elderly in scrubbing and lifting their shoulders and backs.

Background technique

Bathing is a common activity in our daily life, but for the elderly, especially for the elderly or those with physical inconvenience, due to inflexibility and degeneration of body functions, bathing becomes a problem. It has become very difficult, and at the same time, according to reliable surveys, older people tend to have difficulty standing as they age due to conditions such as osteoporosis or quadriceps weakness. For the purpose of assisting the elderly to take a bath, people have also designed many different types of elderly bathing aids with different functions. The traditional mechanical auxiliary equipment for the elderly has a single function, such as a special anti-slip bath chair for the elderly, but it is actually a chair with anti-slip function. Although this reduces the occurrence of accidents during bathing, this product does not have any auxiliary bathing function, and sitting and bathing increases the difficulty of bathing; another example is the special bath brush for the elderly, although it can help the elderly scrub their backs and shoulders However, for the elderly, because the limbs are not flexible enough, it is very laborious to use, the comfort is poor, and the scrubbing effect is not obvious. Although there have been more and more fully automatic devices for assisting bathing in recent years, due to its huge size and high price, it is difficult to popularize it in mass households. At the same time, these fully automatic bathing devices are not designed for specific groups of people and are universal. Therefore, some functions and structures are not suitable for the elderly and have some lack of specific functions, which cannot guarantee the safety of the elderly when bathing. sense and comfort.

SUMMARY OF THE INVENTION

In order to overcome the defects of the existing bathing devices, the present invention provides a seat-type scrubbing and lifting bathing chair that assists the elderly in scrubbing and lifting their shoulders and backs, which not only solves the daily bathing safety of the elderly, but also satisfies the The daily bathing needs of the elderly have a better scrubbing effect and can promote their health.

The technical scheme adopted by the present invention to solve its technical problems is:

A seat-type scrubbing integrated bath chair for assisting the shoulder and back scrubbing of the elderly, comprising a seat-type outer frame, a shoulder scrubbing device, a back scrubbing device, a lift-up device and an electric control system, the seat-type outer frame It includes a back frame and a seat-type outer frame, the shoulder scrubbing device and the back scrubbing device are sequentially installed on the backrest frame from top to bottom, and the seat-type outer frame includes a seat outer frame and an inner seat panel. A spray is provided on the left armrest of the seat-type outer frame, and the electronic control system is respectively connected with the shoulder scrubbing device and the back scrubbing device through the adjustment device on the shoulder;

The shoulder scrubbing device includes a bottom plate of the shoulder scrubbing device, a lifting adjustment mechanism and a shoulder scrubbing mechanism, the bottom plate of the shoulder scrubbing device is fixed on the backrest frame, and the lifting adjustment mechanism includes a T-shaped screw set, a motor, The timing belt group, the front side plate and the middle layer plate, the T-shaped screw set is installed on the bottom plate of the shoulder scrubbing device, including two optical axis slider assemblies and a screw nut mechanism, two optical axis slider assemblies They are respectively arranged on the left and right sides of the screw nut mechanism. Each optical axis slider assembly includes a shoulder vertical optical axis and a shoulder optical axis slider. The shoulder vertical optical axis is fixedly installed on the bottom plate of the shoulder scrubbing device. , the shoulder optical axis slider can be slid up and down on the shoulder vertical optical axis, the ball screw of the screw nut mechanism is arranged vertically and its upper end is connected with the synchronous belt group, and the middle plate is fixed on the On the nut seat connector of the shoulder optical axis slider and the screw nut mechanism, the front side plate is located on the front side of the middle layer plate and is connected with the middle layer plate through the lifting platform support profile; the shoulder scrubbing mechanism includes two shoulders Each shoulder scrubbing unit includes a shoulder gear motor, two shoulder scrubbing contacts and two synchronous belt transmission mechanisms, and the two synchronous belt mechanisms pass through The synchronous belt transmission mechanism is fixed on the bottom plate of the shoulder scrubbing device and includes a DC reduction motor, a double synchronous pulley and two synchronous pulleys. The double synchronous pulley is synchronized with its two sides through the synchronous belt The pulleys are connected, the shoulder deceleration motor is installed on the middle plate through the motor bracket, and its output shaft is connected with one end of the synchronous belt transmission mechanism. The shoulder is supported on the rotating shaft, and is connected to the other end of the synchronous belt transmission mechanism through the coupling; the headrest is located above the shoulder scrubbing contact and installed on the front side plate; the shoulder gear motor drives one end of the synchronous belt transmission mechanism Rotation, thereby driving the synchronous pulleys at both ends of the synchronous belt transmission mechanism to rotate, and the synchronous pulleys at both ends drive the rotation of the shoulder scrubbing contacts to realize the rotation, kneading and scrubbing of the shoulders;

The back scrubbing device includes a back scrubbing mechanism, a horizontal moving mechanism, a vertical moving mechanism, and a bottom plate of the back scrubbing device. The back scrubbing mechanism is installed on the bottom plate of the back scrubbing device through the horizontal moving mechanism. On the straight moving mechanism, the back scrubbing mechanism includes a plurality of back scrubbing units and a scrubbing ball support plate, the scrubbing ball supporting plate is provided with the same number of through holes as the back scrubbing units, and each back scrubbing unit can pass through the shaft sleeve. The front and rear are telescopically installed on the corresponding through holes. Each back scrubbing unit includes a back scrubbing ball, a spring and a back scrubbing ball support rod. The back scrubbing ball is fixed on the front end of the scrubbing ball supporting rod. The rear end of the ball support rod passes through the shaft sleeve on the corresponding through hole and forms a front and rear sliding pair with the shaft sleeve. At the same time, the rear end of the scrub ball support rod is connected and tightened with the hexagonal bolts. The spring is sleeved on the scrub ball support rod. The front end is connected to the back scrubbing ball, and its rear end is connected to the scrubbing ball support plate; when bathing, the back scrubbing unit can adjust the degree of compression of the spring according to the extrusion of the back of the human body, so as to wrap the back of the human body, and squeeze the back of the human body. Scrub for a better scrubbing effect.

The lifting device includes a seat surface lifting mechanism and an armrest linkage lifting mechanism, the seat surface lifting mechanism is fixed on the bracket of the rear leg of the chair, and includes two triangular brackets, an electric push rod and a movable inner seat surface, the movable inner seat surface. The inner seat surface is connected with the outer frame through a hinge mechanism, the linkage rod group is located at the upper end of the outer frame and is connected by a living hinge to form a parallelogram, and the push of the electric push rod drives the rotation of the movable seat surface to realize the lifting of the inner seat surface; The armrest linkage lifting mechanism is located at the upper end of the chair surface, and includes a link mechanism and an armrest main body, the connecting rod connects the movable inner seat surface and the linkage rod group, the armrest main body is fixed on the linkage rod, and the lifting displacement of the inner seat surface is connected by the connecting rod. The rod drives the linkage rod group to rotate, thereby driving the lifting of the handrail, so that the user can be assisted by supporting the handrail.

Further, the electronic control system includes a core control board and a motor drive module, the adjustment device includes a potentiometer and an adjustment button, the adjustment button is connected to the core control board through the potentiometer, and the core control board is respectively connected with the motor drive module and the power supply. The module is connected, and the motor drive module is connected with the shoulder deceleration motor.

Still further, the vertical movement mechanism includes two back vertical optical axes, a back vertical optical axis slider, two electric push rods and a first travel switch, and the two back vertical optical axes are mounted on the backrest frame, The two electric push rods are respectively arranged below the two ends of the scrubbing ball support plate. The left and right ends of the bottom plate of the scrubbing device are respectively fixed on the back vertical optical axis slider by the back slider fixing plate, and each back vertical optical axis slider is respectively sleeved on the back vertical optical axis on the corresponding side, one of which is The upper and lower ends of the vertical optical axis of the back are respectively provided with a first travel switch, the first travel switch is installed on the backrest frame, and the electric push rod pushes the bottom plate of the back scrubbing device to move along the vertical optical axis of the back, thereby The squeezing and scrubbing of the back scrubbing mechanism in the vertical direction is realized; the first travel switch is connected to the core control board.

Still further, the horizontal movement mechanism includes a back reduction motor, a back gear, a rack, a back horizontal optical axis, a back horizontal optical axis slider and a second travel switch, and the back horizontal optical axis is installed on the back scrubbing device bottom plate, The scrubbing ball support plate is installed on the back horizontal optical axis through the back horizontal optical axis slider, the back reduction motor is installed on the bottom plate of the back scrubbing device and its output shaft is connected with the back gear, the back gear meshes with the rack, the gear The strip is fixedly installed on the upper edge of the scrubbing ball support plate, and a second travel switch is respectively provided on the left and right sides of the horizontal optical axis of the back. The second travel switch is installed on the backrest frame, so that the scrubbing ball supporting plate is placed Panning within a predetermined range of travel;

The second travel switch is connected to the core control board, and the back deceleration motor is connected to the motor drive module.

The beneficial effects of the present invention are mainly manifested in the following: the seat-type design is adopted, which enables the elderly to complete bathing in a sitting position; the shoulder adopts massage tooth contacts, and the shoulder is scrubbed by rotating and kneading scrubbing, which plays a certain role in scrubbing the shoulders. Massage and relaxation effect; the back adopts wrap-type elastic contacts, and the wrap-type rubbing of the back is realized by the translational squeezing type in the vertical and horizontal directions, and a good rubbing effect is achieved while fitting the back curve; Effective scrubbing of difficult-to-rub areas is achieved. Through the isokinetic radial advancement of the two electric push rods located at the rear seat feet, the soft force and the stability of the mechanism movement are ensured when the lift is lifted. The seat surface drives the lift of the person's buttocks, and the seat surface drives the armrest through the linkage rod, and the person can assist standing by means of underarm support, making it more convenient and feasible to assist.

Description of drawings

Figure 1 is a schematic diagram of the overall structure of the present invention.

FIG. 2 is a schematic structural diagram of a back scrubbing device.

FIG. 3 is a schematic structural diagram of a back scrubbing unit.

FIG. 4 is a schematic diagram of the overall structure of the shoulder scrubbing device.

FIG. 5 is a schematic diagram of the internal transmission structure of the shoulder scrubbing device.

FIG. 6 is a schematic diagram of the lifting and adjusting mechanism of the shoulder scrubbing device.

Figure 7 is a schematic diagram of the overall structure of the lifting device.

Fig. 8 is a schematic diagram of power transmission of the lifting aid device.

Detailed ways

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

Referring to FIGS. 1 to 8 , a seat-type scrubbing-assisting bath chair for assisting the elderly’s shoulders and back scrubbing and lifting, includes a seat-type outer frame 7, a shoulder scrubbing device, a back scrubbing device, and a lifting device. and the electric control system, the shoulder scrubbing device, the back scrubbing device and the electric control system are sequentially installed on the seat type outer frame 7 from top to bottom, and the shoulder scrubbing device is scrubbed by two shoulders on each side. The isokinetic reverse movement of the unit realizes the rotation, kneading and scrubbing of the shoulders; the back scrubbing device realizes the back scrubbing device through translation in the vertical and horizontal directions, supplemented by wrap-type elastic contacts that can adapt to the back. Pan squeeze scrub. The lifting device provides power through two electric push rods installed on the rear feet, drives the movable inner seat surface to rotate, and drives the armrests through the linkage rod group, so as to realize the lifting from two points of the buttocks and the armpit. By controlling the motor, the electric control system achieves the function of controlling the shoulder and back scrubbing devices to assist the elderly to perform back scrubbing.

The seat-type outer frame is constructed of 2020 profiles, including backrest frame 1 and seat-type outer frame 7. The shoulder scrubbing device, back scrubbing device and electric control system are sequentially installed on the said seat from top to bottom. On the back frame 1 of the bath chair, the bottom of the back frame 1 is fixed with the bottom plate 2 of the back scrubbing device and the electric push rod 10 . The end of the seat-type outer frame 7 is connected to the profile of the backrest outer frame at the bottom of the back scrubbing device, so as to support the entire scrubbing and lifting bath chair. The seat-type outer frame 7 is partially fixed with an inner seat surface 50, and the profiles on both sides are used as the armrests 6, wherein the bracket on the left side of the seat surface includes a base 34, a connecting cross seat 32 and a connecting seat 31, and the brackets are installed with Spray 33, the position of spray 33 can be adjusted freely according to the needs, which is convenient for washing the whole body.

The electronic control system includes a core control board and a motor drive module, the core control board is an STM32103 single-chip microcomputer, and the motor drive module controls the shoulder deceleration motor and the back deceleration motor to achieve its functions. Among them, there is a 300r/min shoulder deceleration motor 27 at the left and right ends of the shoulder to control the rotation, kneading and scrubbing of the shoulder scrubbing contact, and a 70r/min back deceleration motor 41 on the back to control the horizontal translation movement of the back scrubbing device. , there is an electric push rod 12 on each side to control its movement in the vertical direction, so as to achieve translation, squeezing and scrubbing. In addition, the strokes of the vertical and horizontal translational movements can be controlled by the first travel switch and the second travel switch and connected to the core control board respectively, and the rotation speed of the shoulder scrubbing contacts and the back scrubbing device can be controlled by the potentiometer in the vertical and horizontal directions. The moving speed on the machine can adapt to the scrubbing needs of different elderly groups.

As shown in FIG. 2 , the back scrubbing device includes a back scrubbing mechanism, a horizontal moving mechanism, a vertical moving mechanism, and a bottom plate 8 of the back scrubbing device. The back scrubbing mechanism includes a plurality of back scrubbing units 13, a shaft sleeve and a scrubbing ball support plate 19. The scrubbing ball supporting plate 19 is provided with the same number of through holes as the back scrubbing units, and each back scrubbing unit passes through The shaft sleeve can be telescopically installed on the corresponding through holes; the vertical movement mechanism includes the back vertical optical axis and the back vertical optical axis slider, the back vertical optical axis slider fixing plate 38, the electric push rod 42, the push rod The rod supports the bottom plate 39 and the first travel switch 9; the horizontal movement mechanism includes the back gear 11 and the rack 16, the back horizontal optical axis 14 and the back horizontal optical axis slider, the back reduction motor 41 and the second travel switch.

The 54 shaft sleeves are fitted into the 54 through holes with a diameter of 10 mm on the scrubbing ball support plate 19 through tolerance fit. As shown in Figure 3, each back scrub unit is composed of a back scrub ball 17, a spring 35 and a back scrub ball support rod 36. The back scrub ball 17 is fixed on the scrub ball support rod, the back scrub ball support rod 36 is sleeved on the scrub ball support plate 19 with the shaft sleeve 37 fixed, and the scrub ball and the scrub The part of the scrub ball support rod between the ball support plates 19 is covered with a spring 35, and the end of the back scrub ball support rod 36 is tightened by hexagonal bolts; the spring 35 is sleeved on the scrub ball support rod 19, and the The front end is connected with the back scrubbing ball 17 , and the rear end is connected with the scrubbing ball support plate 19 . When taking a bath, the back scrubbing unit can adjust the compression degree of the spring 35 according to the extrusion of the back of the human body, thereby realizing the wrapping of the back of the human body, and achieving a better scrubbing effect by squeezing and scrubbing.

The electric push rod 12 is fixed on the bottom of the seat-type outer frame, and is connected to the bottom plate 8 of the back scrubbing device through a profile. The left and right ends of the bottom plate 8 of the back scrubbing device are respectively fixed on the back vertical optical axis slider by the back slider fixing plate 38, and each back vertical optical axis slider is respectively sleeved on the back vertical light on the corresponding side. On the shaft, the upper and lower ends of one of the vertical optical axes of the back are respectively provided with a first travel switch, the first travel switch is installed on the backrest frame, and the electric push rod 12 pushes the back scrubbing device bottom plate 8 along the back. The vertical optical axis moves, so as to realize the squeezing and scrubbing of the back scrubbing device in the vertical direction.

The horizontal moving mechanism includes a back reduction motor 41, a back gear 11 and a rack 16, a back horizontal optical axis 18, a back horizontal optical axis slider, and a second travel switch. The back horizontal optical axis slider 40 is fixed on the scrubbing ball supporting plate 19, and the scrubbing ball supporting plate 19 can be moved by a moving pair formed with the back horizontal optical axis fixed on the bottom plate 8 of the back scrubbing device. Pan horizontally. The output shaft of the back reduction motor 41 passes through the bottom plate 8 of the back scrubbing device and is connected to the back gear 11 through a coupling. The rack is fixedly installed on the upper edge of the scrubbing ball support plate 19, and the back gear is connected to the rack. When engaged, the back gear 11 can move in the horizontal direction of the rack 16 , so that the scrubbing ball support plate 19 translates along the horizontal optical axis 14 . At the same time, a second travel switch is provided on the left and right sides of the back horizontal optical axis 18 respectively, and the second travel switch is installed on the backrest frame, so that the scrub ball support plate 19 translates within a set travel range.

As shown in Figures 4, 5 and 6, the shoulder scrubbing device includes a shoulder scrubbing device bottom plate 2, a lifting adjustment mechanism, a shoulder scrubbing mechanism and a headrest 3. The base plate 2 of the shoulder scrubbing device is fixed on the backrest frame 1 .

The lifting adjustment mechanism includes a T-shaped screw set, a timing belt mechanism 4 , a lifting platform supporting profile 22 , a front side plate 20 and a middle layer plate 21 . Four holes with a diameter of 40 mm are arranged horizontally on the front side plate 20 at intervals of 50 mm for passing through the shoulder scrubbing mechanism. The front side plate 20 is connected to the upper surface of the middle layer plate 21 through four lifting platform supporting profiles 22, and L-shaped brackets are used to fix them therebetween. The T-shaped screw set includes two shoulder optical shafts 23 , two shoulder optical shaft sliders 24 , a nut seat connector 25 and a ball screw 26 . The shoulder optical axis 23 and the ball screw 26 are fixed at the center position of the bottom plate 2 of the shoulder scrubbing device through the base, and the hole on the bottom plate 2 of the shoulder scrubbing device is set as a waist hole, in order to prevent the back lifting mechanism, The timing belt mechanism on the bottom plate cannot move due to the interference of the optical axis; the two shoulder optical axis sliders 24 and the nut seat connector 25 of the T-shaped screw set are fixed on the middle plate 21 . The synchronous belt mechanism 4 is connected with the ball screw 26 of the T-shaped screw set through an optical axis. By rotating the synchronous belt mechanism 4, the shoulder optical axis slider 24 and the nut seat move relatively on the shoulder optical axis 23 and the ball screw 26, thereby realizing the lifting and lowering adjustment of the back scrubbing device.

The shoulder scrubbing mechanism includes two shoulder scrubbing units, and each shoulder scrubbing unit includes two shoulder scrubbing contacts, two shoulder supporting shafts, a coupling, a shoulder deceleration motor, and a motor bracket. And the timing belt mechanism, the timing belt mechanism includes an optical shaft, four timing pulleys and two timing belts. The shoulder scrub contact is composed of a 3D-printed disc-shaped support head and a TEP massage head with dense massage teeth. I provide massage function. The four shoulder scrub contacts 4 are respectively fixed on the front end of the shoulder support shaft, and the four shoulder support shafts are placed in the 40mm hole on the front side plate and penetrate through the middle plate and the back scrubbing device bottom plate 8, The deceleration motor 27 is connected to the optical axis 29 through the coupling 28, and the optical axis is connected to the double synchronous pulley 30. The double synchronous pulley is connected to the synchronous pulleys on both sides through the synchronous belt, and the rotation of the deceleration motor drives the light. The rotation of the shaft and the rotation of the optical axis drive the rotation of the synchronous pulleys on both sides, thereby driving the rotation of the shoulder scrubbing contacts to realize the kneading and scrubbing of the shoulders. The headrest 3 is fixed on the front side plate 20, Located above the shoulder scrub unit.

The seat surface lifting mechanism includes a rear foot support, an electric push rod group, a seat surface outer frame, a movable inner seat surface, and an armrest linkage lifting mechanism. The rear foot bracket is overlapped by three aluminum profiles with 2020 corner yards, and the electric push rod group includes an electric push rod bracket 42 and an electric push rod 43, and the two pass through the bottom of the electric push rod 43 and the electric push rod bracket 42. The holes are coaxially matched through the pin shaft, and have a single axis of freedom of rotation. The top of the electric push rod is matched with the top bracket 51 connected to the inner seat surface, so that the electric push rod and the inner seat surface can be freely linked. The outer frame of the seat surface is connected to the rear foot bracket by three aluminum profiles with 2020 corner lap joints, at a 108-degree angle. The inner seat surface includes a seat surface 44 and a long living hinge 48, and the inner seat surface is connected to the outer seat through the living long hinge 48. The frame is connected, and the double linkage rod group is connected with the armrest 45 and the inner seat surface through the living hinges 46 and 47 respectively, and the connection result is a parallelogram, so that the armrest can always be kept horizontal during the transmission process, and through the lifting of the inner seat surface, The connecting rod 50 drives the double link group 49 to rotate, thereby driving the lift of the armrest; through the radial push of the electric push rod group, the inner seat hinge 48 is driven to rotate, and the bracket 42 connects the electric push rod group and the inner seat surface, preventing the mechanism The movement is locked; after the bath, the seat surface lifting mechanism can support the person's buttocks through the lifting of the inner seat surface, and the armrest linkage lifting mechanism uses the power of the inner seat surface to drive the armrests to realize the hip and armpit as the main support points. Two points are assisted, thereby realizing the lifting action of the seat surface lifting mechanism.

The present invention fully considers the inconvenience of the elderly when bathing. The elderly can sit on the present invention to take a bath, thereby reducing the frequency of walking during bathing, and greatly reducing the possibility of accidents such as slipping and falling during bathing. At the same time, the shoulder and back scrubbing device of the bath chair can help the elderly to achieve mechanical scrubbing of the shoulders and backs. Data show that mechanical scrubbing is beneficial to the relaxation of human muscles. Modern medicine has proved that rubbing the shoulders and back can stimulate the subcutaneous immune cells with strong functions, improve the body's immunity and disease resistance, and then harmonize the internal organs and tissues of the whole body. At the same time, the massage tooth design of the shoulder scrub contact can realize the rotary kneading massage and scrub of the shoulder, and the elastic scrub contact on the back can realize the wrapping squeezing and scrubbing of the back of the human body, which has better comfort and scrubbing effect. .

The above descriptions are only preferred embodiments of the present invention, and do not limit the scope of the invention. The structures described in the description and drawings of the present invention, which are directly or indirectly used in other related technical fields, shall be included in the scope of the present invention. The invention is within the scope of patent protection.

Claims (4)

1. A seat type washing-assistant device is characterized in that: the chair type outer frame comprises a backrest frame and a chair frame, the shoulder scrubbing device and the back scrubbing device are sequentially arranged on the backrest frame from top to bottom, the chair frame comprises an outer seat frame and an inner chair plate, a left side armrest of the chair frame is provided with spraying, and the electric control system is respectively connected with the shoulder scrubbing device and the back scrubbing device through a shoulder adjusting device;

the shoulder rubbing device comprises a shoulder rubbing device bottom plate, a lifting adjusting mechanism and a shoulder rubbing mechanism, the shoulder rubbing device bottom plate is fixed on a backrest frame, the lifting adjusting mechanism comprises a T-shaped lead screw sleeve group, a motor, a synchronous belt group, a front side plate and a middle layer plate, the T-shaped lead screw sleeve group is installed on the shoulder rubbing device bottom plate and comprises two optical axis slider assemblies and a lead screw nut mechanism, the two optical axis slider assemblies are respectively arranged on the left side and the right side of the lead screw nut mechanism, each optical axis slider assembly comprises a shoulder vertical optical axis and a shoulder optical axis slider, the shoulder vertical optical axis is fixedly installed on the shoulder rubbing device bottom plate, the shoulder optical axis slider can be vertically slidably installed on the shoulder vertical optical axis, a ball lead screw of the lead screw nut mechanism is vertically arranged, the upper end of the ball lead screw is connected with the synchronous belt group, the middle layer plate is fixed on a nut connector of, the front side plate is positioned on the front side of the middle layer plate and is connected with the middle layer plate through a lifting platform supporting section bar; the shoulder scrubbing mechanism comprises two shoulder scrubbing units which move reversely at a constant speed; each shoulder scrubbing unit comprises a shoulder speed reducing motor, two shoulder scrubbing contacts and two synchronous belt transmission mechanisms, the two synchronous belt mechanisms are connected through a coupler, the synchronous belt transmission mechanisms are fixed on a bottom plate of the shoulder scrubbing device and comprise a direct current speed reducing motor, a duplex synchronous belt pulley and two synchronous belt pulleys, the duplex synchronous belt pulleys are respectively connected with the synchronous belt pulleys on two sides of the duplex synchronous belt pulley through synchronous belts, the shoulder speed reducing motor is installed on a middle layer plate through a motor support, an output shaft of the shoulder speed reducing motor is connected with one end of the synchronous belt transmission mechanism, the two shoulder scrubbing contacts are located on the front side of a front side plate and installed on corresponding shoulder supporting rotating shafts, and the two shoulder scrubbing contacts are connected with the other end of the; the back cushion is positioned above the shoulder scrubbing contact and is arranged on the front side plate; the shoulder speed reducing motor drives one end of the synchronous belt transmission mechanism to rotate, so as to drive synchronous belt wheels at two ends of the synchronous belt transmission mechanism to rotate, and the synchronous belt wheels at two ends drive the shoulder scrubbing contact to rotate, so that the rotating kneading and scrubbing of the shoulder are realized;

the back rubbing device comprises a back rubbing mechanism, a horizontal moving mechanism, a vertical moving mechanism and a back rubbing device bottom plate, the back rubbing mechanism is installed on the back rubbing device bottom plate through the horizontal moving mechanism, the back rubbing device bottom plate is installed on the vertical moving mechanism, the back rubbing mechanism comprises a plurality of back rubbing units and a rubbing ball supporting plate, through holes with the same number as the back rubbing units are formed in the rubbing ball supporting plate, each back rubbing unit is installed on the corresponding through hole in a manner that the back rubbing unit can stretch forwards and backwards through a shaft sleeve, each back rubbing unit comprises a back rubbing ball, a spring and a back rubbing ball supporting rod, the back rubbing balls are fixed at the front ends of the rubbing ball supporting rods, the rear ends of the rubbing ball supporting rods penetrate through the shaft sleeves on the corresponding through holes and form a front-back sliding pair with the shaft sleeves, and the rear ends of the rubbing ball supporting rods are connected and screwed with hexagon bolts, the spring is sleeved on the rubbing ball supporting rod, the front end of the spring is connected with the back rubbing ball, and the rear end of the spring is connected with the rubbing ball supporting plate; when bathing, the back scrubbing unit can adjust the compression degree of the spring according to the extrusion of the back of the human body, so that the back of the human body is wrapped, and a better scrubbing effect is achieved through extrusion scrubbing;

the lifting assisting device comprises a chair seat lifting mechanism and a handrail linkage lifting mechanism, the chair seat lifting mechanism is fixed on a bracket of a chair back foot and comprises two triangular brackets, an electric push rod and a movable inner chair seat, the movable inner chair seat is connected with an outer frame through a hinge mechanism, a linkage rod group is positioned at the upper end of the outer frame and is connected with the outer frame through a movable hinge to form a parallelogram, and the electric push rod pushes the movable chair seat to rotate so as to realize the lifting of the inner chair seat; the armrest linkage lifting mechanism is located at the upper end of the seat and comprises a connecting rod mechanism and an armrest main body, the connecting rod is connected with the movable inner seat and a linkage rod group, the armrest main body is fixed on the linkage rod, the lifting displacement of the inner seat drives the linkage rod group to rotate through the connecting rod, so that the armrest is driven to be lifted, and a user can lift the armrest through the support of the armrest.

2. A seat type washing-assistant device is characterized in that: the electric control system comprises a core control panel and a motor driving module, the adjusting device comprises a potentiometer and an adjusting button, the adjusting button is connected with the core control panel through the potentiometer, the core control panel is respectively connected with the motor driving module and a power supply module, and the motor driving module is connected with a shoulder speed reducing motor.

3. A chair-type washing aid as claimed in claim 2, wherein: the vertical moving mechanism comprises two back vertical optical axes, back vertical optical axis sliding blocks, two electric push rods and a first travel switch, the two back vertical optical axes are installed on the backrest frame, the two electric push rods are respectively arranged below two ends of the rubbing ball supporting plate, each electric push rod is fixed at the bottom of the seat frame through a push rod supporting bottom plate, the upper end of each electric push rod is connected with the back rubbing device bottom plate through a section bar, the left end and the right end of the back rubbing device bottom plate are respectively fixed on the back vertical optical axis sliding blocks through back sliding block fixing plates, each back vertical optical axis sliding block is respectively sleeved on the back vertical optical axis on one corresponding side, the upper end and the lower end of one back vertical optical axis are respectively provided with the first travel switch, the first travel switches are installed on the backrest frame, and the electric push rods push the back rubbing device bottom plate to move, thereby realizing the extrusion scrubbing of the back scrubbing mechanism in the vertical direction; the first travel switch is connected with the core control panel.

4. A chair-type washing aid as claimed in claim 2, wherein: the horizontal moving mechanism comprises a back speed reduction motor, a back gear, a rack, a back horizontal optical axis slider and a second travel switch, the back horizontal optical axis is installed on a back scrubbing device bottom plate, a scrubbing ball supporting plate is installed on the back horizontal optical axis through the back horizontal optical axis slider, the back speed reduction motor is installed on the back scrubbing device bottom plate, an output shaft of the back speed reduction motor is connected with the back gear, the back gear is meshed with the rack, the rack is fixedly installed on the upper edge of the scrubbing ball supporting plate, the left side and the right side of the back horizontal optical axis are respectively provided with the second travel switch, and the second travel switches are installed on a backrest frame to enable the scrubbing ball supporting plate to translate within a set travel range;

the second travel switch is connected with the core control panel, and the back speed reduction motor is connected with the motor driving module.

Images