CN211381035U

CN211381035U - Back rubbing device

Info

Publication number: CN211381035U
Application number: CN201921716256.7U
Authority: CN
Inventors: 贾卫国; 丁会松
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-14
Filing date: 2019-10-14
Publication date: 2020-09-01
Anticipated expiration: 2029-10-14

Abstract

The utility model relates to a back rubbing device, including base and the casing of setting on the base, include: a rail assembly comprising a first rail and a second rail; the driving assembly is connected to the guide rail assembly in a sliding manner; the rack is arranged on one side of the guide rail assembly; the sensor assembly is arranged on the other side of the guide rail assembly; the back rubbing assembly comprises a back rubbing disc, an anti-winding shaft sleeve, a magnet auxiliary seat, a magnetic inductor and a return spring; a waterproof panel disposed on the housing; the control panel is arranged on the shell. The utility model discloses a back rubbing device is through adopting the formula of touching to press to start, only keeps touching to press and just carries out work, reaches energy-conserving purpose, simultaneously the utility model discloses there is multiple stop device, reaches the purpose of protection safety, just the utility model discloses can reach various parameters such as the stroke of rubbing back with the hands all adjustable, it is comparatively convenient during the use.

Description

Back rubbing device

Technical Field

The utility model relates to a bathing appliance technical field specifically is a back rubbing device.

Background

For a long time, no matter in a household or a hotel bathroom, when a person takes a bath, the back of the person cannot be rubbed, and particularly, the back is very difficult to rub by the person at the center of the back. Therefore, a bathroom device capable of rubbing the back of a user is urgently needed in life. Although some products for rubbing the back are available on the market, the products have poor effect and have a lot of disadvantages for rubbing the back. Such as: the back rubbing machine has the advantages of high noise, large volume, inconvenient installation and low automation degree of back rubbing, and various parameters such as the position of the back rubbing machine, the stroke of the back rubbing machine and the like can not be adjusted manually by a user, so the back rubbing machine is inconvenient to use.

In order to solve the problem, chinese patent publication No. CN2520138Y provides a back rubbing machine, which comprises a pad seat, wherein the front surface of the pad seat has an elastic pad, and the back surface of the pad seat has a reciprocating mechanism capable of moving up and down; the front surface of the elastic pad is a rough surface, and the back of the user can be cleaned by using the back cleaning machine, so that strength can be saved, and dirt on the back can be thoroughly cleaned. But this technical scheme exists degree of automation not high, can't adjust each item parameter such as massage dynamics during the use, and is not comfortable enough during the use.

To the problem that exists among the above-mentioned scheme, the utility model provides a back rubbing device, adjustable massage dynamics during the use uses, uses comfortablely, can satisfy people's operation requirement.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the deficiencies in the prior art, providing a back rubbing device, adjustable massage dynamics when using each item parameter, it is comfortable to use, and intelligent degree is high, can satisfy people's operation requirement.

In order to achieve the above object, the technical solution of the present invention is:

a back rubbing device comprises a base and a shell arranged on the base, wherein the shell and the base are enclosed into a chamber, and the back rubbing device comprises:

the guide rail assembly comprises a first guide rail and a second guide rail, and the first guide rail and the second guide rail are arranged in parallel and fixedly arranged on the base;

the driving assembly is connected to the guide rail assembly in a sliding mode and comprises a box body, a first driving motor and a second driving motor are arranged in the box body, an output shaft of the first driving motor is connected with a first gear, a second gear is meshed with the first gear, the second gear penetrates through the box body and extends out of the box body, an output shaft of the second driving motor is connected with a third gear, a driving shaft is fixedly connected to the third gear, and the driving shaft penetrates through the box body and extends out of the box body;

the rack is arranged on one side of the guide rail assembly and meshed with the second gear;

the sensor assembly is arranged on the other side of the guide rail assembly and comprises an upper position sensor, a lower position sensor, a first stroke position sensor, a second stroke position sensor and a third stroke position sensor, wherein the first stroke position sensor, the second stroke position sensor and the third stroke position sensor are arranged between the upper position sensor and the lower position sensor;

the back rubbing assembly comprises a back rubbing disc, an anti-winding shaft sleeve, a magnet auxiliary seat, a magnetic inductor and a return spring, wherein the return spring is sleeved on the driving shaft, one end of the return spring is fixedly connected to the box body, the other end of the return spring is fixedly connected to the magnet auxiliary seat, the magnet auxiliary seat is sleeved on the driving shaft and is connected with the magnet, the anti-winding shaft sleeve is arranged on the magnet, the anti-winding shaft sleeve is sleeved on the driving shaft, the back rubbing disc is fixedly connected to the driving shaft, the magnetic inductor is arranged on a third gear, and the magnetic inductor corresponds to the magnet;

the waterproof panel is arranged on the shell, a sliding groove communicated with the cavity is formed in the waterproof panel, and the back rubbing disc penetrates through the sliding groove and is positioned above the sliding groove;

the control panel is arranged on the shell, and the driving assembly, the sensor assembly and the back rubbing assembly are electrically connected to the control panel.

Preferably, the lower part of the box body is provided with a guide rail groove matched with the guide rail assembly, and the guide rail groove is internally provided with a roller.

Preferably, the upper position sensor has a level lower than that of the upper end of the sliding groove, and the lower position sensor has a level higher than that of the lower end of the sliding groove.

Preferably, the back rubbing device further comprises a waterproof assembly, the waterproof assembly comprises a waterproof belt, an upper belt wheel support and a lower belt wheel support, the waterproof belt is connected between the upper belt wheel support and the lower belt wheel support, and the waterproof belt is installed on the box body through a belt fixing plate.

Preferably, the upper belt pulley support is higher than the upper end of the sliding groove in horizontal height, and the lower belt pulley support is lower than the lower end of the sliding groove in horizontal height.

Preferably, the upper belt pulley support is provided with a first pulley and a second pulley, the lower belt pulley support is provided with a third pulley and a fourth pulley, and the waterproof belt is connected to the first pulley, the second pulley, the third pulley and the fourth pulley.

Preferably, the waterproof belt is provided with a first tension spring and a second tension spring.

Preferably, the shape of the waterproof belt is arranged to substantially correspond to the shape of the sliding groove, and the waterproof belt is arranged flush with the sliding groove.

Preferably, the upper end portion and the lower tip of sliding tray are provided with respectively and prevent pressing from both sides the mechanism down, on prevent pressing from both sides the mechanism including on prevent pressing from both sides switch, go up switch box, go up magnetic inductor, go up reset spring and last magnetic path, on prevent pressing from both sides switch sliding connection go up switch box, go up the magnetic path and fix on preventing pressing from both sides switch last, and go up magnetic inductor setting in last switch box and with it is relative to go up the magnetic path, go up reset spring one end fixed connection on preventing pressing from both sides switch last, the other end of going up reset spring then fixed connection is on last magnetic inductor, prevent pressing from both sides the mechanism down including preventing pressing from both sides switch, lower switch box, lower magnetic inductor, lower reset spring and lower magnetic path, prevent pressing from both sides switch sliding connection down switch box, lower magnetic path is fixed on preventing pressing from both sides switch down, and lower magnetic inductor setting in lower switch box and with lower magnetic path is relative, one end of the lower reset spring is fixedly connected to the lower anti-pinch switch, and the other end of the lower reset spring is fixedly connected to the lower magnetic inductor.

Preferably, an induction magnet is arranged on one side of the box body opposite to the sensor component.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model has the following beneficial effect:

the utility model discloses a back rubbing device is through adopting the formula of touching to press to start, only keeps touching to press and just carries out work, reaches energy-conserving purpose, simultaneously the utility model discloses there is multiple stop device, reaches the purpose of protection safety, just the utility model discloses can reach various parameters such as the stroke of rubbing back with the hands all adjustable, it is comparatively convenient during the use.

Drawings

FIG. 1 is a schematic structural view of a preferred embodiment of the back rubbing device of the present invention;

fig. 2 is an exploded view of the interior of the case in the driving assembly of the present invention;

FIG. 3 is an exploded view of the upper portion of the case of the present invention;

FIG. 4 is a schematic structural view of the middle back rubbing plate of the present invention;

FIG. 5 is a schematic structural view of the lower part of the box body of the present invention;

fig. 6 is a schematic structural diagram of a sensor assembly according to the present invention;

fig. 7 is a schematic structural view of the rack bar of the present invention;

FIG. 8 is a schematic structural view of the middle waterproof assembly of the present invention

FIG. 9 is a schematic structural view of the upper and lower anti-pinch mechanisms of the present invention;

in the figure: 1. a base, 2, a shell, 3, a control panel, 4, a power switch, 5, a driving component, 6, a back rubbing disc, 7, a first guide rail, 8, a second guide rail, 9, a rack, 10, a sensor component, 11, a waterproof belt, 12, an upper belt wheel bracket, 13, a first USB socket, 14, a second USB socket, 15, a storage box, 16, a box upper part, 17, an anti-winding shaft sleeve, 18, a driving shaft, 19, a magnet, 20, a magnet attaching seat, 21, a return spring, 22, a first driving motor, 23, a first gear, 24, a second gear, 25, a limit spring, 26, a third gear, 27, an induction magnet, 28, a second driving motor, 29, a first roller, 29b, a second roller, 29a, a third roller, 29c, a fourth roller, 30, a box lower part, 31, a magnetic inductor, 32, a first positioning screw, 33, and a magnetic switch upper cover, 34. the lower position sensor 35, the first stroke position sensor 36, the second stroke position sensor 37, the third stroke position sensor 38, the upper position sensor 39, the second positioning wire 40, the belt fixing plate 41, the first pulley 42, the second pulley 43, the first tension spring 44, the second tension spring 45, the lower pulley bracket 46, the third pulley 47, the fourth pulley 48, the waterproof panel 49, the upper anti-pinch switch 50, the upper switch box 51, the upper magnetic inductor 52, the upper return spring 53, the upper magnetic block 54, the lower anti-pinch switch 55, the lower switch box 56, the lower magnetic inductor 57, the lower return spring 58, the lower magnetic block 59, and the sliding groove.

Detailed Description

The following description is of some of the many possible embodiments of the invention and is intended to provide a basic understanding of the invention and is not intended to identify key or critical elements of the invention or to delineate the scope of the invention. It is easily understood that according to the technical solution of the present invention, other implementations that can be substituted with each other can be suggested by those skilled in the art without changing the spirit of the present invention. Therefore, the following detailed description and the accompanying drawings are merely illustrative of the technical aspects of the present invention, and should not be construed as all of the present invention or as limitations or limitations on the technical aspects of the present invention.

In the description herein, various structural embodiments described using directional terms (e.g., "upper," "lower," "top" and "bottom," etc.) and the like represent the directions shown in the drawings or directions that can be understood by those skilled in the art. These directional terms are used for relative description and clarification and are not intended to limit the orientation of any embodiment to a particular direction or orientation.

Referring to fig. 1-9, a preferred embodiment of the back rubbing device of the present invention includes a base 1 and a housing 2 disposed on the base 1, the housing 2 and the base 1 enclose a cavity, the cavity is a hollow cavity, the base 1 is preferably a cuboid, and the back rubbing device further includes a guide rail assembly, a driving assembly 5, a rack 9, a sensor assembly 10, a back rubbing assembly, a waterproof panel 48 and a control panel 3, which are further described below.

The guide rail assembly is arranged in the chamber and comprises a first guide rail 7 and a second guide rail 8, the first guide rail 7 and the second guide rail 8 are arranged in parallel and fixedly mounted on the base 1, preferably, the first guide rail 7 and the second guide rail 8 are integrally formed with the base 1, and the first guide rail 7 and the second guide rail 8 are positioned in the center of the base 1 and distributed along the length direction of the base 1;

drive assembly 5 sliding connection is on the guide rail subassembly, just drive assembly 5 includes a box body, the box body is equivalent to a box-like trip car, and box body lower part 30 sets up the guide rail groove with guide rail subassembly looks adaptation, the guide rail groove is two, and installs the gyro wheel of two relative settings in every guide rail inslot respectively, and is specific, as shown in fig. 5, first gyro wheel 29 and second gyro wheel 29b are installed to a guide rail inslot, and third gyro wheel 29a and fourth gyro wheel 29c are installed to another guide rail inslot, and like this, drive assembly can be through two guide rail groove block at first guide rail 7 and second guide rail 8 to realize the purpose of sliding connection on the guide rail subassembly through first gyro wheel 29, second gyro wheel 29b, third gyro wheel 29a and the fourth gyro wheel 29c that two guide rail inslots set up.

Meanwhile, a first driving motor 22 and a second driving motor 28 are arranged in the box body, an output shaft of the first driving motor 22 is connected with a first gear 23, a second gear 24 is meshed with the first gear 23, the second gear 24 penetrates through the box body and extends out of the box body, preferably, the first driving motor 22 is a turbine motor, an output shaft of the first driving motor is provided with a worm, the first gear 23 is a turbine, the first gear 23 can be meshed with the output shaft of the first driving motor 22, the rack 9 is arranged on one side of the guide rail assembly, specifically, the first driving motor 22 can be limited on the side of the first guide rail 7, and the rack 9 is meshed with the second gear 24 extending out of the box body, so that the first driving motor 22 is driven, the first driving motor 22 drives the first gear 23 and the second gear 24 to rotate, and the box body is driven by the meshing of the second gear 24 and the rack 9, namely, the so-called driving unit 5 moves up and down along the rack 9 and the first and

second rails

7 and 8 under the driving unit 5, and further, the second gear 24 is rotatably connected in the case by a main shaft, and the main shaft of the second gear 24 is provided with a limit spring 25 so that the second gear 24 can be limited by the limit spring 25.

And the output shaft of the second driving motor 28 is connected with a third gear 26, the third gear 26 is fixedly connected with a driving shaft 18, the driving shaft 18 penetrates through the box body and extends out of the box body, the driving shaft 18 is vertically arranged, similarly, the output shaft of the second driving motor 28 is fixedly provided with a worm, and the third gear 26 is a worm wheel, so that the rotation of the second driving motor 28 in the horizontal direction can be converted into the rotation of the driving shaft 18 in the vertical direction.

The back rubbing assembly is fixedly connected to the driving shaft 18, and comprises a back rubbing disc 6, an anti-winding shaft sleeve 17, a magnet 19, a magnet attachment seat 20, a magnetic inductor 31 and a return spring 21, the return spring 21 is sleeved on the driving shaft 18, one end of the return spring 21 is fixedly connected to the box body, the other end of the return spring 21 is fixedly connected to the magnet attachment seat 20, the magnet attachment seat 20 is sleeved on the driving shaft 18, the magnet attachment seat 20 is connected with the magnet 19, the anti-winding shaft sleeve 17 is arranged on the magnet 19, the anti-winding shaft sleeve 17 is sleeved on the driving shaft 18, the back rubbing disc 6 is movably connected to the end of the driving shaft 18, the back rubbing disc 6 cannot be separated from the driving shaft 18, specifically, the back rubbing disc 6 can slide up and down relative to the driving shaft 18, and the back rubbing disc 6 cannot rotate relative to the driving shaft 18, preferably, a 5mm gap is left between the top end of the driving shaft 18 and the back rubbing plate, and the gap enables the magnetic inductor 31 to sense the magnetic block 19, so that when the back rubbing plate 6 is pressed, the anti-winding shaft sleeve 17 is pressed downwards to drive the magnetic block 19 to move downwards, the magnetic inductor 31 can sense the magnetic block 19, the second driving motor 28 is driven, the back rubbing plate 6 is driven to rotate along the outer surface of the shell, when the back rubbing plate 6 is not pressed, the magnetic block 19 is far away from the magnetic inductor 31 under the action of the return spring 21, when the pressure on the back rubbing plate 6 disappears, the return spring 21 restores the original length, the magnet 19 is separated from the magnetic inductor 31, the magnetic inductor 31 is not influenced by the magnet 19, the control panel 3 sends a signal, and the second driving motor 28 stops rotating, so that the whole back rubbing action full stroke is completed.

More specifically, the magnetic inductor 31 is disposed on the third gear 26, and the magnetic inductor 31 corresponds to the magnet 19, so that when the back rubbing device of the present invention is used, a user can press the back, hand or any other part of the back to the back rubbing plate 6 when the back is rubbed, because the anti-winding shaft sleeve 17 is disposed on the back rubbing plate driving shaft 18, the anti-winding shaft sleeve 17 is provided with the magnet 19, and the driving shaft 18 is further sleeved with the return spring 21, and the magnetic inductor 31 corresponds to the magnet 19, the pressing back rubbing plate 6 can sequentially push the driving shaft 19 and the anti-winding shaft sleeve 17 to move to the inner side, and then the return spring 21 is pressed, because the magnetic block 19 is disposed at one end of the anti-winding shaft sleeve 17 abutted against the return spring 21, the magnet 19 is close to the magnetic inductor 31 to send a signal to the control panel, and then is transmitted to the control chip in the control panel, the control chip sends a signal, the second driving motor 28 starts to work to drive the back rubbing disc 6 to rotate along the outer surface of the shell, and simultaneously drives the first driving motor 22 to work, the first driving motor 22 drives the first gear 23 and the second gear 24 to rotate, and then the box body is driven by the meshing of the second gear 24 and the rack 9, namely the so-called driving assembly 5 reciprocates up and down along the rack 9 and the first guide rail 7 and the second guide rail 8 below the driving assembly 5 along the inner surface of the shell, when the pressure on the back rubbing disc 6 disappears, the reset spring 21 restores the original length again, the magnet 19 is separated from the magnetic inductor 31, the magnetic inductor 31 is not influenced by the magnet 19, the control panel 3 sends a signal, and the second driving motor 28 stops rotating, so that the whole back rubbing action full stroke is completed.

Further, the waterproof panel 48 is disposed on the housing 2, a sliding groove 59 communicating with the cavity is formed in the waterproof panel 48, and the back rubbing tray 6 passes through the sliding groove 59 and is located above the sliding groove 59.

The sensor assembly 10 is arranged on the other side of the guide rail assembly, namely the side of the second guide rail 8, the sensor assembly 10 comprises an upper position sensor 38, a lower position sensor 34, and a first stroke position sensor 35, a second stroke position sensor 36 and a third stroke position sensor 37 which are arranged between the upper position sensor 38 and the lower position sensor 34, the level of the upper position sensor 38 is lower than that of the upper end part of the sliding groove 59, the level of the lower position sensor 34 is higher than that of the lower end part of the sliding groove 59, and the height of one stroke among the first stroke position sensor 35, the second stroke position sensor 36 and the third stroke position sensor 37 can be set as the reset height of the back rubbing tray 6 by a program, so that the control panel can receive signals when the back rubbing tray 6 is reset to the set position, to judge that the back rubbing plate is really returned to the proper position.

More specifically, the back rubbing tray 6 moves up and down in the vertical direction, when the box moves, the sensor assembly 10 disposed at one side of the guide rail assembly can measure the horizontal height of the back rubbing tray, when the back rubbing tray 6 moves to the vicinity of the two ends of the sliding groove 59, the upper position sensor 38 or the lower position sensor 34 sends a signal to the control panel 3, specifically, when the back rubbing tray 6 moves to the upper position sensor 38, the first driving motor 22 rotates reversely, the first driving motor 22 drives the box to move downwards in a reverse direction, and when the back rubbing tray 6 moves to the lower position sensor 34, the first driving motor 22 rotates forwards, the first driving motor 22 drives the box to move upwards in a reverse direction, and the control panel 3 can send an instruction according to the data of the sensor assembly 10 to instruct the first driving motor 22 to perform a reset operation.

In addition, control panel 3 sets up on casing 1, drive assembly, sensor module 10 and back of the body subassembly electric connection with control panel 3, it is further, install control chip in the control panel, this control chip accessible motor drive circuit is connected with second driving motor 28 to control panel 3 is last still to install the display screen, and this display screen is connected with control chip and forms intelligent electrical system, and like this, the user can be simple right through the control button the utility model discloses a back of the body ware controls.

In this embodiment, the utility model discloses a back rubbing device still includes waterproof assembly, waterproof assembly includes waterproof belt 11, last belt pulley support 12 and lower belt pulley support 45, waterproof belt 11 is connected between last belt pulley support 11 and lower belt pulley support 45, just waterproof belt 11 passes through belt fixing plate 40 and installs on the box body, and like this, when first driving motor 22 drive box body up-and-down motion, waterproof belt 11 can synchronous motion thereupon, and waterproof belt 11's shape roughly corresponds sliding tray 59's shape and sets up, and waterproof belt 11 with sliding tray 59's position flushes, and like this, waterproof belt 11's setting can play better waterproof effect, can prevent that water, foam, impurity etc. from entering into the cavity that base 1 and casing 2 enclose.

It is further preferable that the upper pulley holder 12 is higher in level than the upper end of the slide groove 59, and the lower pulley holder 45 is lower in level than the lower end of the slide groove 59, so that it is ensured that the entire waterproof belt 11 can cover the slide groove 59.

Further preferably, the upper belt wheel support 12 is provided with a first pulley 41 and a second pulley 42, the lower belt wheel support 45 is provided with a third pulley 46 and a fourth pulley 47, and the waterproof belt 11 is connected to the first pulley 41, the second pulley 42, the third pulley 46 and the fourth pulley 47, so that the waterproof belt 11 can be rotatably connected to the upper belt wheel support 12 and the lower belt wheel support 45.

It is further preferable that the waterproof belt 11 is provided with a first tension spring 43 and a second tension spring 44, so that the first tension spring 43 and the second tension spring 44 are provided, and the waterproof belt 11 has a better waterproof effect.

In this embodiment, the upper end portion and the lower tip of sliding tray 59 are provided with respectively and prevent pressing from both sides the mechanism down, on prevent pressing from both sides the mechanism including last switch 49, go up switch box 50, go up magnetic inductor 51, go up reset spring 52 and last magnetic path 53, on prevent pressing from both sides switch 49 sliding connection go up switch box 50, it fixes on last switch box 49 to go up magnetic path 53, and go up magnetic inductor 51 set up in last switch box 50 and with it is relative to go up magnetic path 53, it prevents pressing from both sides switch box 55 down to go up reset spring 52 one end fixed connection on last switch 49, the other end of going up reset spring 52 then fixed connection on last magnetic inductor 51, prevent pressing from both sides the mechanism including down prevent pressing from both sides switch 54, lower switch box 55, magnetic inductor 56, lower reset spring 57 and lower magnetic path 58, prevent pressing from both sides switch 54 sliding connection down switch box 55, magnetic path 58 is fixed on preventing pressing from both sides switch 54 down, and magnetic inductor 56 sets up in switch box 55 down and with magnetic path 58 is relative down, reset spring 57 one end fixed connection is on anti-pinch switch 54 down, and then fixed connection is on magnetic inductor 56 down for the other end of lower reset spring 57, through such setting, when rubbing back subassembly and touch on anti-pinch switch 49, perhaps when people's hand or other objects touch on anti-pinch switch 49, and make on anti-pinch switch 49 move, like this, on prevent that pinch switch 49 moves to last switch box 50 to it is close to drive last magnetic path 53 makes progress magnetic inductor 50, so install last magnetic path 53 on last anti-pinch switch 49 and contact last magnetic inductor 51, goes up magnetic inductor 51 and sends a signal to control panel, and control panel 3 judges the position of rubbing back dish 6 according to sensor assembly 10, then sends a signal according to current position control panel 3 of back rubbing dish 6, first driving motor 22 begins to start, moves to keeping away from last anti-pinch switch 49 direction promptly, and when rubbing back subassembly and touch down anti-pinch switch 54, perhaps touches as people's hand or other objects down anti-pinch switch 54, and make down prevent that pinch switch 54 moves, and move down in the switch box 55 of preventing pinching switch 54 to magnetic block 58 is close to down in the drive, so install lower magnetic block 58 on lower anti-pinch switch 54 and contact magnetic inductor 56 down, magnetic inductor 56 signals to control panel 3 down, control panel 3 judges the position of rubbing back dish 6 according to sensor assembly 10, then according to the current position control panel 3 signals of rubbing back dish 6, first driving motor 22 begins to start, prevents pinch switch 54 direction removal under keeping away from promptly.

More preferably, the housing 1 is provided with a storage case 15, and the storage case 15 is provided to store articles.

Preferably, the back rubbing device is powered by a regulated power supply, the housing 1 is provided with a power switch 4 for controlling the regulated power supply, and the housing 1 is further provided with a first USB socket 13 and a second USB socket 14.

It is further preferred that the side of the cartridge opposite the sensor assembly 10 is provided with an induction magnet 27.

More preferably, the anti-winding shaft sleeve is sleeved with a magnetic switch upper cover 33, and the magnetic switch upper cover 33 is arranged to protect the magnetic inductor 31 to a certain extent.

As a further preferred, the box body is provided with a first positioning thread 32 on the side opposite to the sensor assembly 10, and the sensor assembly 10 is also provided with a second positioning thread 39, so that the positioning accuracy of the back rubbing device of the present invention can be provided.

To sum up, the utility model discloses a back rubbing device only keeps touching and presses and just carries out work, reaches energy-conserving purpose, simultaneously through adopting the pressure formula of touching to start, the utility model discloses there is multiple stop device, reaches the purpose of protection safety, just the utility model discloses can reach and rub various parameters such as back stroke all adjustable, it is comparatively convenient during the use.

The above is only the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and all the same principles are included in the protection scope of the present invention.

Claims

1. The utility model provides a back rubbing device, includes the base and sets up the casing on the base, the casing with the base encloses into a cavity, its characterized in that includes:

2. The back rubbing device of claim 1, wherein the lower part of the box body is provided with a guide rail groove matched with the guide rail assembly, and the guide rail groove is internally provided with a roller.

3. The back scrubber of claim 1, wherein the upper position sensor has a level lower than a level of the upper end of the sliding groove, and the lower position sensor has a level higher than a level of the lower end of the sliding groove.

4. The back scrubber according to claim 1, further comprising a waterproof assembly, wherein the waterproof assembly comprises a waterproof belt, an upper belt wheel bracket and a lower belt wheel bracket, the waterproof belt is connected between the upper belt wheel bracket and the lower belt wheel bracket, and the waterproof belt is mounted on the box body through a belt fixing plate.

5. The back scrubber of claim 4, wherein the upper pulley bracket is higher in level than the upper end of the sliding trough and the lower pulley bracket is lower in level than the lower end of the sliding trough.

6. The back rubbing device of claim 4, wherein the upper belt wheel bracket is provided with a first pulley and a second pulley, the lower belt wheel bracket is provided with a third pulley and a fourth pulley, and the waterproof belt is connected to the first pulley, the second pulley, the third pulley and the fourth pulley.

7. The back scrubber according to claim 4, wherein the waterproof belt is provided with a first tension spring and a second tension spring.

8. The back scrubber according to claim 4, wherein the waterproof belt is disposed in a shape corresponding to the shape of the sliding groove, and the waterproof belt is disposed flush with the sliding groove.

9. The back rubbing device of claim 1, wherein the upper and lower ends of the sliding groove are respectively provided with an upper anti-pinch mechanism and a lower anti-pinch mechanism, the upper anti-pinch mechanism comprises an upper anti-pinch switch, an upper switch box, an upper magnetic inductor, an upper reset spring and an upper magnetic block, the upper anti-pinch switch is slidably connected with the upper switch box, the upper magnetic block is fixed on the upper anti-pinch switch, the upper magnetic inductor is arranged in the upper switch box and opposite to the upper magnetic block, one end of the upper reset spring is fixedly connected on the upper anti-pinch switch, the other end of the upper reset spring is fixedly connected on the upper magnetic inductor, the lower anti-pinch mechanism comprises a lower anti-pinch switch, a lower switch box, a lower magnetic inductor, a lower reset spring and a lower magnetic block, the lower anti-pinch switch is slidably connected with the lower switch box, the lower magnetic block is fixed on the lower switch, and the lower magnetic inductor is arranged in the lower switch box and is opposite to the lower magnetic block, one end of the lower reset spring is fixedly connected to the lower anti-pinch switch, and the other end of the lower reset spring is fixedly connected to the lower magnetic inductor.

10. The back scrubber according to claim 1, wherein the side of the box opposite the sensor assembly is provided with an induction magnet.