CN112021974A

CN112021974A - Self-service bathing device

Info

Publication number: CN112021974A
Application number: CN202010939640.4A
Authority: CN
Inventors: 程峰; 刘善志; 胡颢昕; 张周昊; 吉卫喜
Original assignee: Jiangnan University
Current assignee: Jiangnan University
Priority date: 2020-09-09
Filing date: 2020-09-09
Publication date: 2020-12-04

Abstract

The invention relates to the field of household bathrooms and provides a self-service bathing device which comprises a seat, wherein a brush head box for contacting skin is movably connected to the seat back of the seat, and a transmission device is arranged between the brush head box and the seat back; the chair back comprises a back plate fixedly connected with the chair body and a front plate connected to the back plate in a sliding manner, and the brush head box is arranged on the front plate; the transmission device comprises a rotary driving device positioned on the rear back plate and a gear-rack pair connected with an output shaft of the rotary driving device, and an output end of the gear-rack pair drives the brush head box. According to the invention, the seat is provided, so that the comfort level of a user is improved; the brush head box on the chair back can slide to and fro, thus realizing the function of rubbing the back. The number of the brush heads in the invention can be freely disassembled and adjusted, thereby being suitable for users with different heights and body types.

Description

Self-service bathing device

Technical Field

The invention relates to the technical field of furniture bathroom products, in particular to a self-service bathing device.

Background

The elderly also become very arduous to bathe as their daily self-care abilities continue to be lost with increasing age. In modern society in particular, many elderly people are accompanied by cardiovascular and cerebrovascular diseases, and the deterioration of various functions of the body causes the risks of bathing which is not normally done.

As such, the elderly bathing devices have begun to step into the general field of view. Known ageing-assisted bathing devices are however quite expensive and are mostly imported from foreign countries. The existing product positioning cannot be led to the market of the public, only flows into some high-end bathing centers, and the consumption generated by the bathing centers is not affordable for daily bathing of the public.

Disclosure of Invention

The applicant aims at the defects in the prior art, provides a self-service bathing device which is reasonable in structure and relatively low in cost, can be compatible with existing equipment in a family bathroom, can be used only by simple installation, is simple in bathing mode, can comprehensively serve the old people who have simple self-care capability but are inconvenient, and can also provide help for other people who are inconvenient to move on bathing.

The technical scheme adopted by the invention is as follows:

a self-help bathing device comprises a seat, wherein a brush head box for contacting skin is movably connected to a seat back of the seat, and a transmission device is arranged between the brush head box and the seat back;

the chair back comprises a rear back plate fixedly connected with the chair body and a front back plate connected to the rear back plate in a sliding manner, and the brush head box is arranged on the front back plate;

the transmission device comprises a rotary driving device positioned on the rear back plate and a gear-rack pair connected with an output shaft of the rotary driving device, wherein the output end of the gear-rack pair drives the brush head box, and a plurality of brush heads on the brush head box can be detachably arranged.

As a further improvement of the above technical solution:

the rack and pinion includes:

the gear is coaxially connected to an output shaft of the rotary driving device through a bearing and a shaft sleeve;

and the rack is positioned on one surface of the front back plate, which deviates from the brush head box, and is meshed with the gear.

The tooth surfaces of two racks in the gear-rack pair are opposite, and the gear is positioned between the two racks and is always meshed with one of the two racks.

And the two ends of the limiting part are respectively connected with the end parts at the same side of the two racks.

The limiting parts are arc-shaped, and the inner walls of the limiting parts at the two ends of the rack face the gear.

The back plate is also provided with a linear guide rail, the guide rail is movably connected with a sliding block, and the sliding block is fixedly connected with the front plate.

The gear in the gear-rack pair is eccentrically connected with an output shaft of the rotary driving device, the racks are positioned on two sides of the gear, and the gear is always meshed with one of the racks.

The back plate is provided with a guide rail, the guide rail comprises two sections which are parallel to each other and are communicated with each other, a guide block is fixed on one surface of the front back plate facing the back plate, and the guide block falls into the guide rail.

The outer circle surface of the gear is provided with teeth, the central angle corresponding to the arc where the teeth are located is less than or equal to 180 degrees, and the gear and the rack are alternately meshed.

The seat board of the seat is arranged in a hollow way.

The invention has the following beneficial effects:

the invention has simple structure, lower cost and convenient use, is convenient to install in a household bathroom, and can be operated smoothly by users or the old who have inconvenient actions.

According to the invention, the seat is provided, so that the comfort level of a user is improved; the brush head box on the chair back can slide to and fro, thus realizing the function of rubbing the back.

The brush head box has two motion modes, wherein if an output shaft of the rotary driving device is coaxially connected with the gear, the rotation of the gear is converted into the up-and-down motion of the rack, and the brush head box rubs back vertically and reciprocally;

if the output shaft of the rotary driving device is eccentrically connected with the gear, the gear is equivalent to a cam structure, the gear rotates to drive the rack to move on the surface of the chair back, and the rack can vertically reciprocate and can horizontally reciprocate, so that the function of circling and rubbing is realized.

According to the invention, the two racks are connected into a closed loop structure through the limiting part, a rotary driving device is not needed to drive the gear to rotate forward and backward, the rotary driving device can keep the same steering rotation, and the gear circularly moves along the waist-shaped track formed by the two racks to drive the front back plate to reciprocate.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an exploded view of the present invention.

Fig. 3 is an enlarged view of a portion a of fig. 2 to show the positions of the sleeve and the bearing.

FIG. 4 is a schematic view of the non-standard gear of the present invention.

FIG. 5 is a schematic view of another angle of the non-standard gear of the present invention.

Fig. 6 is a schematic structural view of the rack of the present invention.

FIG. 7 is a schematic view of the structure of the rack and the limiting device of the present invention

Fig. 8 is a schematic structural view of the bushing of the present invention.

Fig. 9 is a schematic structural view of another view of the bushing of the present invention.

Fig. 10 is an exploded view of another embodiment of the present invention.

Wherein: 1. a gear; 2. a rack; 3. a limiting member; 4. a back panel; 5. a front back panel; 6. a shaft sleeve; 7. A bearing; 8. a guide rail; 9. a brush head box; 10. a screw; 11. a seat;

101. an internally threaded bore; 102. tooth

201. A first through hole;

301. a second through hole; 302. an inner circular arc; 303. an outer circular arc;

601. an external thread; 602. a keyway.

801. And a guide block.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

The utility model provides a device of bathing by oneself, includes seat 11, and the bedplate of seat 11 is hollow out construction, has dug "U" shape hole in the intermediate position of bedplate, under the prerequisite that does not influence user's position of sitting, reduces ponding on the bedplate. A brush head box 9 is arranged on the chair back of the chair 11, a plurality of brush heads are arranged on the brush head box 9, and the brush heads are arranged in a rectangular knot array to increase the contact area with the skin.

A transmission device is arranged between the brush head box 9 and the chair back and is used for driving the brush head box 9 to move. The chair back comprises a front back plate 5 and a back plate 4, the back plate 4 is fixedly connected with the seat plate, and the front back plate 5 reciprocates with the back plate 4 as a reference. The brush head box 9 is arranged on one side of the front back plate 5, which is far away from the back plate 4. The brush head box 9 is provided with a plurality of brush heads which are detachably arranged. In this embodiment, each brush head is connected with the brush head box 9 by a buckle structure, and it can be determined that the brush heads are all arranged on the brush head box 9 to form a whole rectangular back rubbing surface according to the actual height or width of a user, or the brush heads at specific positions are removed, and a horizontal row or a vertical row is left, or only the brush heads at the top corners are left, so as to perform back rubbing on the local part of the user in a targeted manner.

One transmission mode in this embodiment is:

the back plate 4 is provided with a face facing the seat plate: two line type guide rails 8, line type guide rail 8 are vertical to be set up on the two vertical edges of backplate 4, fixedly connected with slider on the preceding backplate 5, and the slider cover is the sliding motion on line type guide rail 8.

The transmission device comprises a rotary driving device fixedly connected with the back plate 4, and the rotary driving device in the embodiment adopts a motor; an output shaft of the rotary driving device penetrates through the rear back plate 4 and points to the front back plate 5, the output shaft is coaxially connected with a shaft sleeve 6, a bearing 7 is sleeved at the end part of the shaft sleeve 6, and a gear 1 is coaxially connected at the bearing 7. The rack 2 is fixedly arranged on one surface of the front back plate 5 facing the back plate 4, the number of the racks 2 is two, the tooth surfaces of the racks are opposite, the racks are positioned on two sides of the gear 1, and one rack 2 is always meshed with the gear 1 to realize gear-rack pair transmission.

The sleeve 6 comprises an external thread 601 cooperating with the threaded hole 101 in the gear 1 and a key way 602 cooperating with the output shaft of the rotary drive.

The gear 1 is a non-standard part, the non-standard gear 1 comprises an internal thread hole 101 matched with the shaft sleeve 6, teeth 102 are closely arranged on the outer contour of the gear 1, and the teeth are arranged on the outer contour of the gear 1 to form a semicircle or an arc with a central angle smaller than 180 degrees, so that the gear can not only be meshed with a rack, but also be rotated along the smooth inner wall of the limiting part 3 in the gear rotating process. The number of the teeth 102 is obtained through virtual simulation, so that the non-standard gear 1 can be alternately meshed with the two racks 2 when moving to the upper and lower limit positions.

The rack 2 has the structure that: first through holes 201 penetrate through the racks 2, and each rack 2 is provided with four first through holes 201. The first through hole 201 can adjust the degree of engagement between the gear 1 and the rack 2 in an actual machining process.

The upper end and the lower end of each of the two racks 2 are provided with a limiting part 3, the limiting parts 3 in this embodiment are configured to be semicircular, and the two ends of the limiting parts 3 are respectively connected with two end points on the same side of the two racks 2 in a fairing manner, so as to form a kidney-shaped closed loop with two protruding arcs at the two ends. The limiting member 3 is further provided with second through holes 301 for connecting with the front back plate 5, and the second through holes 301 are uniformly distributed on the upper portion. The inner arc 302 of the limiting part 3 is attached to the tooth root line of the rack 2, and the outer arc 303 of the limiting part 3 is tangent to the edge of the rack 2.

The rack 2 is used as an output end part of the gear-rack pair and is fixedly connected with the front back plate 5, and the motion paths of the front back plate 5 and the brush head box 9 on the front back plate 5 are the motion paths of the rack 2.

Another transmission mode in this embodiment is different from the above transmission mode in that the gear 1 is eccentrically connected to an output shaft of the rotary drive device, the front backplate 5 is fixedly connected with a guide block 801, and the guide rail 8 on the back backplate 4 is a waist shape closed in rotation and comprises two linear grooves parallel to each other and an arc groove communicating the two linear grooves; the guide block 801 falls into the guide rail 8, and the track of the guide block 801 moving along with the eccentric gear 1 is exactly the same as the path of the closed guide rail 8.

The installation steps are as follows:

the first step is as follows: preparing a non-standard gear 1, two racks 2, a limiting piece 3, a front back plate 5, a back plate 4, a shaft sleeve 6, a bearing 7, a guide rail 8 and a corresponding screw 10, and preparing a motor capable of rotating in a single direction;

the second step is that: the internal thread hole 101 of the non-standard gear 1 and the external thread 601 part of the shaft sleeve 6 are installed and fixed through thread matching;

the third step: the non-standard gear 1 is meshed with the rack 2, and the front back plate 5 and the rack 2 are installed and fixed by corresponding screws 10;

the fourth step: the limiting piece 3 is installed and matched with the rack 2 according to the structural design requirement, and is installed and fixed with the front back plate 5 through the corresponding screw 10;

the fifth step: the guide rails 8 are installed and fixed on the left side and the right side of the back plate 4, and the bearings 7 are embedded into the center hole of the back plate 4;

and a sixth step: the shaft sleeve 6, the bearing 7 and the motor are installed and matched;

the seventh step: fixing the front back plate 5 and the slide block on the guide rail 8 by using corresponding screws 10 to realize the connection between the front back plate 5 and the back plate 4;

eighth step: the brush head is embedded into a brush head box 9, and the brush head box 9 is installed and fixed through a screw 10;

the ninth step: connecting a water pipe device led to the self-service bathing equipment with a household water pipe; and (5) finishing the installation.

When the self-service bathing device is used, a user sits on the self-service bathing device, the power supply is switched on, and the water valve is opened. The non-standard gear 1 rotates stably through the motor to drive the rack 2 to do circular reciprocating motion. The front back plate 5 and the brush head box 9 are driven by the rack 2 to do up-and-down circular reciprocating motion in the same way, so that the purpose of rubbing the back is achieved. And water pipes distributed at other positions discharge water and are cleaned in time.

According to the invention, the transmission device is arranged to drive the brush head box 9 to do linear reciprocating motion or looping reciprocating motion, the motor does not need to rotate forwards and backwards, the possibility of buffering or interruption is reduced, and the comfortable sensation is improved while the bath is convenient for old people and users who are inconvenient to move.

The above description is intended to be illustrative and not restrictive, and the scope of the invention is defined by the appended claims, which may be modified in any manner within the scope of the invention.

Claims

1. A self-help bathing device comprises a seat (11), and is characterized in that a brush head box (9) used for contacting the skin is movably connected to the chair back of the seat (11), and a transmission device is arranged between the brush head box (9) and the chair back;

the chair back comprises a rear back plate (4) fixedly connected with the chair (11) body and a front back plate (5) connected to the rear back plate (4) in a sliding manner, and the brush head box (9) is arranged on the front back plate (5);

the transmission device comprises a rotary driving device positioned on the rear back plate (4) and a gear-rack pair connected with an output shaft of the rotary driving device, an output end of the gear-rack pair drives the brush head box (9), and a plurality of brush heads on the brush head box (9) can be detachably arranged.

2. A self-service bathing device as claimed in claim 1, wherein: the rack and pinion includes:

the gear (1) is coaxially connected to an output shaft of the rotary driving device through a bearing (7) and a shaft sleeve (6);

and the rack (2) is positioned on one surface of the front back plate (5) departing from the brush head box (9) and is meshed with the gear (1).

3. A self-service bathing device as claimed in claim 2, wherein: the tooth surfaces of two racks (2) in the gear-rack pair are opposite, and the gear (1) is positioned between the two racks (2) and is always meshed with one rack (2).

4. A self-service bathing device as claimed in claim 2, wherein: the rack (2) is also provided with a limiting part (3), and two ends of the limiting part (3) are respectively connected with the end parts on the same side of the two racks (2).

5. The self-service bathing device of claim 4 wherein: the limiting pieces (3) are arc-shaped, and the inner walls of the limiting pieces (3) at the two ends of the rack (2) face the gear (1).

6. The self-service bathing device of claim 1 wherein the back plate (4) is further provided with a linear guide rail (8), the guide rail (8) is movably connected with a sliding block, and the sliding block is fixedly connected with the front plate (5).

7. Self-service bathing device according to claim 1, wherein the gear (1) of the rack-and-pinion pair is eccentrically connected to the output shaft of the rotary drive unit, the rack (2) is located on both sides of the gear (1), and the gear (1) is always engaged with one of the racks (2).

8. A self-service bathing device as claimed in claim 7, wherein the backboard (4) is provided with a guide rail (8), the guide rail (8) comprises two sections which are parallel and communicated with each other, a guide block (801) is fixed on one surface of the front backboard (5) facing the backboard (4), and the guide block (801) falls into the guide rail (8).

9. The self-service bathing device according to any one of claims 1-8, wherein teeth (102) are arranged on the outer circumferential surface of the gear (1), the central angle corresponding to the arc where the teeth (102) are located is less than or equal to 180 degrees, and the gear (1) and the rack (2) are alternately meshed.

10. Self-service bathing equipment according to claim 1, wherein the seat plate of the seat (11) is hollowed out.