Bathtub cleaning device

Abstract

The utility model discloses a bathtub cleaning device which comprises an overturning body, an overturning driving mechanism, a water outlet piece and a liquid supply system, one end of the overturning body is rotatably installed on one side of a bathtub, the overturning driving mechanism is in transmission connection with the overturning body to drive the overturning body to rotate, the water outlet piece is installed on the overturning body, the overturning body can rotate to a horizontal state, and the liquid supply system is arranged on the overturning body. When the overturning body is in the horizontal state, the water outlet piece is located above the bathtub, the water outlet piece is connected with the liquid supply system through a hose, the water outlet piece is provided with a plurality of water outlet flow channels, and the water outlet flow channels are distributed in a radial shape from the center to the outside. The effect of cleaning the whole bathtub can be achieved only by using one 360-degree scattering water outlet piece, and after cleaning is finished, the overturning body rotates upwards to return to the position on one side of the bathtub and is vertically stored, so that the bathtub can enter and exit conveniently, and volume water is prevented from being overturned.

Description

TECHNICAL FIELD

[0001] The utility model relates to a bathtub technical field, especially a bathtub cleaning device. BACKGROUND

[0002] Bathtub cleaning has been a problem in the use process of the bathtub, and the usual method is to manually flush the inner wall of the bathtub by using a handheld shower after use. This method is effective, but it is complicated to manually clean and manually add cleaning agent. Some products install a spray head on the inner wall of the bathtub and swing at a certain angle to spray downward, but the spray angle is limited, so multiple spray heads must be installed to complete the task (the number of spray heads varies from 6 to 8 depending on the size and shape of the bathtub). This affects the appearance of the entire bathtub and is contrary to the simple design concept of the bathtub. In addition, the structure of multiple spray heads is complex and prone to failure. Moreover, the thin edges of the spray heads pose a risk of scratching people. Some products install a rotating spray head at the bottom of the bathtub, which can also achieve cleaning effect. However, since the water is sprayed from the bottom to the top, a cover must be added to prevent water from spraying to other places outside the bathtub. This adds an extra step of covering the cover, and the upward spray hole also poses a certain risk of blockage. SUMMARY

[0003] The utility model aims to at least solve one of the above technical problems in the related art to some extent. To this end, the utility model provides a bathtub cleaning device.

[0004] To achieve the above-mentioned purpose, the technical scheme of the utility model is as follows:

[0005] According to the bathtub cleaning device of the utility model embodiment, the turning body is rotatably installed at one end of one side of the bathtub, the turning drive mechanism is in transmission connection with the turning body to drive the turning body to rotate, the water outlet part is installed on the turning body, the turning body can be rotated to a horizontal state, the water outlet part is located above the bathtub when the turning body is in the horizontal state, the water outlet part is connected with the liquid supply system through a hose, the water outlet part has a plurality of water outlet channels which are distributed radially from the center to the outside.

[0006] According to the bathtub cleaning device of the utility model embodiment, at least the following beneficial effects are achieved:

[0007] 1. The utility model discloses a horizontal state is rotated to the horizontal state of the turning body by the turning drive mechanism when needing to clean the bath, and the water outlet is located above the bath, because the water outlet flow channel is distributed radially from the center to the outside, makes the water flow through the water outlet flow channel and disperses and sprays to all around, realizes the effect of all around dispersing and spraying, and the 360-degree cleaning of the inner wall of the bath is realized. After cleaning, the turning body is rotated upward to the position of one side of the bath, and is vertically stored, which is convenient for entering and leaving the bath and prevents the turning body from containing water.

[0008] 2. The utility model discloses a 360 ° scattering water outlet is needed to reach the effect of cleaning the whole bath, compared with installing 6-8 spray heads with a certain angle on the inner wall of the bath, the structure is more simple, and installation and maintenance are more convenient. The electric turning of the turning body is more convenient for the user to enter and leave the bath, reduces the step of moving the turning body, and improves the use experience.

[0009] According to some embodiments of the utility model, the water outlet includes water inlet base, locking nut and water outlet nozzle, the turning body is provided with mounting hole, the water inlet base has the first water inlet part and first water outlet part that are connected, the first water outlet part is tubular, the inner peripheral wall has the first thread, and the outer peripheral wall has the second thread, the water inlet base is further provided with the limiting flange, and the limiting flange is located above the first water outlet part, the first water outlet part is inserted into the mounting hole, the limiting flange is in abutment with the upper surface of the turning body, the first water outlet part is connected with the locking nut through the second thread, and the locking nut is in abutment with the lower surface of the turning body, the water outlet nozzle has the second water inlet part and second water outlet part that are connected, the second water inlet part is tubular, and the outer peripheral wall has the third thread, the first thread is connected with the third thread, the second water outlet part has a plurality of water outlet flow channels, and the plurality of water outlet flow channels are distributed radially from the center of the second water outlet part to the outside.

[0010] According to some embodiments of the utility model, the water outlet flow channel is arranged downwardly and outwardly from the center, one end of the water outlet flow channel on the inner side of the second water outlet part is a water inlet end, and the other end on the outer side of the second water outlet part is a water outlet end, the distance between the vertical wall surfaces on both sides of the water outlet flow channel is the width d of the water outlet flow channel, and the width d of the water outlet flow channel gradually increases from the water inlet end to the water outlet end.

[0011] According to some embodiments of the utility model, the distance between the upper wall surface and the lower wall surface of the water outlet flow channel is the height h of the water outlet flow channel, and the height h of the water outlet flow channel gradually increases from the water inlet end to the water outlet end.

[0012] According to some embodiments of the utility model, the turning body is horizontally arranged, and the angle α of the upper wall surface relative to the downward inclination of the turning body is 12-17 °.

[0013] According to some embodiments of the utility model, the included angle β formed by the extension surface of upper wall surface and the extension surface of lower wall surface is 12-17 °.

[0014] According to some embodiments of the utility model, the outer peripheral wall of the upper part of the second water outlet part is provided with anti-skid vertical lines.

[0015] According to some embodiments of the utility model, the mounting hole is a counterbore, the locking nut is completely embedded in the mounting hole, the lower end surface of the locking nut is provided with two grooves, and the two grooves are centrally symmetrically arranged about the axis of the locking nut.

[0016] According to some embodiments of the utility model, still include sealing washer, the water inlet base has water passing cavity, the water passing cavity is located between the first water inlet part and first water outlet part, the first water inlet part and first water outlet part are communicated through the water passing cavity, the inner peripheral wall of the water passing cavity is provided with annular groove, the sealing washer is embedded in the annular groove, and the top end of the second water inlet part abuts against the sealing washer.

[0017] According to some embodiments of the utility model, the first water inlet part is tubular structure, its axis is arranged along horizontal direction, the outer peripheral wall of the first water inlet part is partially tower-shaped structure, and the tower-shaped structure is located at the water inlet of the first water inlet part.

[0018] According to some embodiments of the utility model, the turnover body is small table board, the small table board has upper wall and lower wall, the upper wall is provided with article placing groove, the mounting hole is arranged in the lower wall, the water inlet base is located in the cavity between the upper wall and lower wall, water inlet pipeline is also arranged in the cavity, one end of the water inlet pipeline is connected with the first water inlet part, the other end is out of the side wall of the small table board and is connected with the liquid supply system, and the second water outlet part is located below the lower wall.

[0019] According to some embodiments of the utility model, still include pivot, the top of one side wall of the bathtub has installation side edge that is turned to the outside of the bathtub, the installation side edge is provided with installation through slot, the fixed support is arranged in the installation through slot, the lower part of the fixed support is located below the installation side edge and is fixedly connected with the bathtub, the fixed support has first mounting foot and second mounting foot, the first mounting foot and second mounting foot are located above the installation side edge, the two ends of the pivot are respectively arranged in the first mounting foot and second mounting foot, the two ends of the pivot are connected with the turnover body, the first gear is fixedly sleeved on the pivot, the turnover drive mechanism includes motor and second gear, the second gear is coaxially connected with the output shaft of the motor, and the first gear is engaged with the second gear.

[0020] According to some embodiments of the present application, the fixed support further has a third mounting foot, the third mounting foot is located between the first mounting foot and the second mounting foot, and the motor is fixedly mounted on the third mounting foot.

[0021] According to some embodiments of the present application, the rotation stroke range of the turnover body is 0°-92°, wherein 0° is the horizontal state of the turnover body, and 92° is the upward turning of the turnover body by 92° from the horizontal state.

[0022] According to some embodiments of the present application, the liquid supply system comprises a cleaning agent pipeline, a clean water pipeline, a main pipeline and a cleaning agent storage tank, the cleaning agent pipeline and the clean water pipeline are communicated with one end of the main pipeline through a three-way joint, the other end of the main pipeline is communicated with the water outlet, the cleaning agent pipeline is connected with the cleaning agent storage tank, a peristaltic pump is arranged on the cleaning agent pipeline, and an electromagnetic valve is arranged on the clean water pipeline.

[0023] The additional aspects and advantages of the present application will be partially given in the following description, partially will become obvious from the following description, or will be understood through the practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0024] The above and / or additional aspects and advantages of the present application will become apparent and more readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:

[0025] Figure 1 is the overall structure diagram of the bathtub cleaning device of the present application;

[0026] Figure 2 is the turnover schematic diagram of the small table plate of the present application;

[0027] Figure 3 is the water outlet state schematic diagram of the present application;

[0028] Figure 4 is the structure schematic diagram of the turnover driving mechanism of the present application;

[0029] Figure 5 is the structure schematic diagram of the liquid supply system of the present application;

[0030] Figure 6 is the explosion diagram of the water outlet of the present application;

[0031] Figure 7 is the cross-sectional view of the water outlet of the present application;

[0032] Figure 8 is the bottom view of the water outlet of the present application;

[0033] Figure 9It is the sectional view of the water outlet spray head of the utility model.

[0034] Reference signs: small table plate 100, upper wall 110, storage groove 111, lower wall 120, mounting hole 121, water inlet pipeline 130, motor 210, second gear 220, water outlet element 300, water inlet base 310, first water inlet part 311, tower structure 312, first water outlet part 313, limiting flange 314, water passing cavity 315, locking nut 320, groove 321, water outlet spray head 330, second water inlet part 331, second water outlet part 332, water outlet flow channel 333, upper wall surface 334, lower wall surface 335, anti-skid vertical lines 336, sealing washer 340, cleaning agent pipeline 410, clean water pipeline 420, main pipeline 430, cleaning agent storage tank 440, peristaltic pump 450, electromagnetic valve 460, bathtub 500, installation side edge 510, installation through groove 511, rotating shaft 600, first gear 610, fixed support 700, first installation foot 710, second installation foot 720, third installation foot 730. DETAILED DESCRIPTION

[0035] The embodiments of the utility model are described in detail below, the examples of the embodiments are shown in the drawings, wherein the same or similar signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary, and are intended to explain the utility model, and cannot be understood as the limitation of the utility model.

[0036] In the description of the utility model, it is understood that the orientation or position relationship indicated by the terms "middle", "center", "upper", "lower", "vertical", "horizontal", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as the limitation of the utility model.

[0037] Reference Figures 1-5 A bathtub cleaning device, comprising a turnover body, a turnover driving mechanism, a water outlet element 300 and a liquid supply system, one end of the turnover body is rotatably installed on one side of the bathtub 500, the turnover driving mechanism is in transmission connection with the turnover body to drive the turnover body to rotate, the water outlet element 300 is installed on the turnover body, the turnover body can be rotated to a horizontal state, when the turnover body is in the horizontal state, the water outlet element 300 is located above the middle part of the bathtub 500, the water outlet element 300 is connected with the liquid supply system through a hose, the water outlet element 300 has a plurality of water outlet flow channels 333, and the plurality of water outlet flow channels 333 are distributed radially from the center. Specifically, the turnover body is installed on the top of the side wall of the bathtub 500 on the wall side.

[0038] The utility model discloses when needing to clean the bathtub 500, the turnover drive mechanism drives the turnover body to rotate to the horizontal state, makes the water outlet 300 to be located the upper side of the middle part of the bathtub 500, because the water outlet runner 333 is distributed radially from the center to the outside, makes the water flow through the water outlet runner 333 and disperses and sprays to all around, realizes the effect of dispersing and spraying water to all around, carries out 360 cleaning to the inner wall of the four sides of the bathtub 500, as shown in the figure. Figure 3 After cleaning, the turnover body rotates upwards to the position of one side of the bathtub 500, and is vertically stored, which is convenient for entering and leaving the bathtub 500 and prevents the turnover body from containing water.

[0039] In some embodiments of the utility model, referring to Figures 6-9 , the water outlet 300 includes a water inlet base 310, a locking nut 320 and a water outlet spray head 330, the turnover body is provided with a mounting hole 121, the water inlet base 310 is provided with a first water inlet part 311 and a first water outlet part 313 in communication, the first water outlet part 313 is tubular, the inner periphery wall is provided with a first thread, and the outer periphery wall is provided with a second thread, the water inlet base 310 is further provided with a limiting flange 314, and the limiting flange 314 is located above the first water outlet part 313, the first water outlet part 313 is inserted into the mounting hole 121, the limiting flange 314 abuts against the upper surface of the turnover body, the first water outlet part 313 is connected with the locking nut 320 through the second thread, and the locking nut 320 abuts against the lower surface of the turnover body, the water outlet spray head 330 is provided with a second water inlet part 331 and a second water outlet part 332 in communication, the second water inlet part 331 is tubular, the outer periphery wall is provided with a third thread, the first thread is connected with the third thread, and the second water outlet part 332 is provided with a plurality of water outlet runners 333, and the plurality of water outlet runners 333 are distributed radially outward from the center of the second water outlet part 332. The water outlet spray head 330 is detachably designed, the water inlet base 310 is provided with internal and external threads, the external second thread is used for cooperating with the locking nut 320, plays a role of fixing the water inlet base 310 on the turnover body, and the internal first thread plays a role of receiving the water outlet spray head 330. Since the water inlet base 310 has been fixed, the structure stability and the sealing property of other components are not affected when the water outlet spray head 330 is detached from the front of the turnover body, and the water outlet spray head 330 is convenient to replace or maintain.

[0040] In some embodiments of the utility model, the water outlet runner 333 is arranged to be inclined downward from the center to the outside, one end of the water outlet runner 333 on the inner side of the second water outlet part 332 is a water inlet end, one end of the water outlet runner 333 on the outer side of the second water outlet part 332 is a water outlet end, the distance between the vertical walls on both sides of the water outlet runner 333 is the width d of the water outlet runner 333, and the width d of the water outlet runner 333 gradually increases from the water inlet end to the water outlet end. Figure 8The water outlet channel 333 is inclined downward at a certain angle to form an umbrella-shaped diffusion spray structure, and the scattered water is sprayed downward to ensure that the water flow does not interfere with the place outside the bathtub 500, and the steps of the cover are also reduced, the angle formed by the diffusion of the water flow does not exceed 180°, and the water flow is ensured not to excessively diffuse upward or outward when sprayed, and the rebound and splashing of the water flow reaching the surface of the bathtub 500 are reduced. The width d of the water outlet channel 333 gradually increases from inside to outside to form an expanding shape, which can effectively diffuse the water flow and increase the coverage area. The inclination and width change of the flow channel can form an umbrella-shaped diffusion shape after the water flow is sprayed, and the water flow can uniformly cover a larger area instead of being concentrated on a point.

[0041] In some embodiments of the present application, the distance between the upper wall 110 surface and the lower wall 120 surface of the water outlet channel 333 is the height h of the water outlet channel 333, and the height h of the water outlet channel 333 gradually increases from the water inlet end to the water outlet end, as shown in Figure 9 With the increase of the height of the water outlet channel 333, the water flow has more space to diffuse, and the flow rate will be relatively reduced, which helps to reduce the flow rate at the outlet, so that the water flow can be more uniformly distributed in a wider area, thereby covering a larger spraying area.

[0042] In some embodiments of the present application, the turnover body is horizontally arranged, and the angle a between the upper wall 110 surface and the lower wall 120 surface of the turnover body is 12-17°, as shown in Figure 9 Since the water outlet has a diffusion angle of about 3° after leaving the nozzle, it is necessary to leave a certain angle between the water outlet channel 333 and the turnover body to ensure that the turnover body is not sprayed, and at the same time, the angle of the water outlet is maximized.

[0043] In some embodiments of the present application, the angle β between the extension of the upper wall 110 surface and the extension of the lower wall 120 surface is 12-17°, as shown in Figure 9 If the angle β is too large, the flow rate will be too low, and it will be difficult to reach the inner wall of the bathtub 500, and controlling the angle β to be 12-17° can ensure the coverage area of the water flow and the spraying speed.

[0044] In some embodiments of the present application, the outer peripheral wall of the upper part of the second water outlet part 332 is provided with anti-skid vertical lines 336. The anti-skid vertical lines 336 are used to increase the friction, and the disassembly and assembly can be completed by hand without the aid of tools.

[0045] In some embodiments of the utility model, the mounting hole 121 is a counterbore, the locking nut 320 is completely embedded in the mounting hole 121, the lower end surface of the locking nut 320 is provided with two grooves 321, and the two grooves 321 are symmetrically arranged with the axis of the locking nut 320 as the center. The counterbore structure makes the appearance of the water outlet member more simple, and the locking nut 320 is embedded in the counterbore as a whole and is not easy to loosen due to misoperation. Using a tool to apply torque to the two symmetrical grooves 321 can rotate the locking nut 320 to lock or loosen.

[0046] In some embodiments of the utility model, the sealing washer 340 is further included, the water inlet base 310 has a water passing cavity 315, the water passing cavity 315 is located between the first water inlet part 311 and the first water outlet part 313, the first water inlet part 311 and the first water outlet part 313 are communicated through the water passing cavity 315, an annular groove is arranged on the inner circumferential wall of the water passing cavity 315, the sealing washer 340 is embedded in the annular groove, and the top end of the second water inlet part 331 abuts against the sealing washer 340. The sealing washer 340 forms an effective sealing interface to prevent the fluid flowing in the water passing cavity 315 from leaking to the outside. The sealing washer 340 can also increase the stability of the connection, increase the friction at the connection, help maintain the stability of the structure, and prevent loosening due to vibration or other external forces.

[0047] In some embodiments of the utility model, the first water inlet part 311 is a tubular structure, the axis thereof is arranged along the horizontal direction, the outer circumferential wall of the first water inlet part 311 is partially in a tower-shaped structure 312, and the tower-shaped structure 312 is located at the water inlet of the first water inlet part 311. The water pipe connection adopts a tower-shaped insertion pipe mode, the tower-shaped structure 312 has a plurality of tapered sections, each layer of tapered section can firmly hold the inner wall of the hose, the friction between the first water inlet part 311 and the hose is increased, and it is ensured that the hose will not easily slip off under water pressure.

[0048] In some embodiments of the utility model, the turnover body is a small table plate 100, the small table plate 100 has an upper wall 110 and a lower wall 120, the upper wall 110 is provided with a storage groove 111, a mounting hole 121 is arranged on the lower wall 120, the water inlet base 310 is located in the cavity between the upper wall 110 and the lower wall 120, a water inlet pipeline 130 is further arranged in the cavity, one end of the water inlet pipeline 130 is connected with the first water inlet part 311, the other end penetrates out of the side wall of the small table plate 100 and is connected with a liquid supply system, and the second water outlet part 332 is located below the lower wall 120. The small table plate 100 integrates the storage function and the cleaning function, objects such as mobile phones, tablet computers and water cups can be placed on the small table plate 100, and the small table plate 100 can also realize top-to-bottom spraying and clean the inner wall of the bathtub 500 by 360 degrees. The water inlet pipeline 130 is built-in in the small table plate 100 and cannot be seen from the outside, so that the appearance of the product is simple. It can be understood that the small table plate 100 can be replaced by a simple swing rod.

[0049] In some embodiments of the utility model, still include pivot 600, the top of one side wall of bathtub 500 has to the installation side 510 of bathtub 500 outside flanging, installation side 510 is opened on installation through slot 511, installation through slot 511 is penetrated with fixed support 700, the lower part of fixed support 700 is located below installation side 510 and is fixed with bathtub 500, fixed support 700 has first installation foot 710 and second installation foot 720, first installation foot 710 and second installation foot 720 are located above installation side 510, both ends of pivot 600 are penetrated in first installation foot 710 and second installation foot 720 respectively, both ends of pivot 600 are connected with turnover body, first gear 610 is fixed on pivot 600, and turnover drive mechanism includes motor 210 and second gear 220, and second gear 220 is coaxially connected with the output shaft of motor 210, and first gear 610 is engaged with second gear 220. Further, the upper portion of installation through slot 511 is provided with a waterproof housing to cover pivot 600, gear, motor 210 and installation through slot 511, and the waterproof housing is provided with an opening for the hose to pass through. The realization of turnover function is that the speed reducer motor 210, gear set and pivot 600 drive the whole small table plate 100 to run, specifically, the gear driven by the speed reducer motor 210 rotates, the gear drives the pivot 600 to rotate, and the both ends of the pivot 600 are fixed with the small table plate 100 to realize the up-down rotation of the small table plate 100.

[0050] In some embodiments of the utility model, fixed support 700 further has third installation foot 730, third installation foot 730 is located between first installation foot 710 and second installation foot 720, and motor 210 is fixedly installed on third installation foot 730.

[0051] In some embodiments of the utility model, the rotation stroke range of the turnover body is 0°-92°, wherein 0° is the horizontal state of the turnover body, and 92° is the upward turning of the turnover body by 92° from the horizontal state, as shown in Figure 2 The system is set to only stop at 0° position to normally spray water, and the waterway is in a normally closed state at other angles to avoid misoperation. The turnover body can be in a relatively safe position when stopping normally, and is deflected by 2° relative to the vertical state, to make the turnover body as close to the wall as possible, and also to make the space when entering and leaving the bathtub 500 larger.

[0052] In some embodiments of the utility model, the liquid supply system comprises a detergent pipeline 410, a clean water pipeline 420, a main pipeline 430 and a detergent storage tank 440, the detergent pipeline 410 and the clean water pipeline 420 are communicated with one end of the main pipeline 430 through a tee joint, the other end of the main pipeline 430 is communicated with the water outlet 300, the detergent pipeline 410 is connected with the detergent storage tank 440, a peristaltic pump 450 is arranged on the detergent pipeline 410, and an electromagnetic valve 460 is arranged on the clean water pipeline 420. Through the peristaltic pump 450, the detergent can be added quantitatively into the main pipeline 430. The water outlet 300 is below the small table board 100, and scatters and sprays clean water or mixed liquid containing the detergent downward, so that the bathtub 500 is cleaned. The water inlet of the clean water pipeline 420 can work by using tap water pressure, or can adopt the mode of using a pump to increase pressure at the front end. The liquid supply system is integrally installed on the wall side of the bathtub 500 and is shielded by the bathtub 500.

[0053] Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, and the scope of the utility model is defined by the claims and their equivalents.

Claims

1. A bathtub cleaning device, characterized in that, The device includes a tilting body, a tilting drive mechanism, a water outlet (300), and a liquid supply system. One end of the tilting body is rotatably mounted on one side of the bathtub (500). The tilting drive mechanism is connected to the tilting body to drive the tilting body to rotate. The water outlet (300) is mounted on the tilting body. The tilting body can rotate to a horizontal state. When the tilting body is in a horizontal state, the water outlet (300) is located above the bathtub (500). The water outlet (300) is connected to the liquid supply system through a hose. The water outlet (300) has several water outlet channels (333), which are radially distributed from the center outward.

2. The bathtub cleaning device according to claim 1, characterized in that, The water outlet component (300) includes an inlet base (310), a locking nut (320), and a water nozzle (330). The rotating body has a mounting hole (121). The inlet base (310) has a first inlet section (311) and a first outlet section (313) that are connected. The first outlet section (313) is tubular, with a first thread on its inner circumferential wall and a second thread on its outer circumferential wall. The inlet base (310) also has a limiting flange (314), which is located above the first outlet section (313). The first outlet section (313) is inserted into the mounting hole (121), and the limiting flange (314) is connected to the... The upper edge of the mounting hole (121) abuts against the first water outlet (313), which is connected to the locking nut (320) via the second thread, and the locking nut (320) abuts against the lower edge of the mounting hole (121). The water nozzle (330) has a second water inlet (331) and a second water outlet (332) that are connected. The second water inlet (331) is tubular and has a third thread on its outer peripheral wall. The first thread is connected to the third thread. The second water outlet (332) has a plurality of water outlet channels (333), which are radially distributed from the center of the second water outlet (332).

3. The bathtub cleaning device according to claim 2, characterized in that, The water outlet channel (333) is inclined downward from the center outward. The end of the water outlet channel (333) located inside the second water outlet part (332) is the water inlet end, and the end located outside the second water outlet part (332) is the water outlet end. The distance between the vertical walls on both sides of the water outlet channel (333) is the width d of the water outlet channel (333). The width d of the water outlet channel (333) gradually increases from the water inlet end to the water outlet end.

4. The bathtub cleaning device according to claim 3, characterized in that, The height h of the water outlet channel (333) is defined as the distance between the upper wall (110) and the lower wall (120) of the water outlet channel (333), and the height h of the water outlet channel (333) gradually increases from the water inlet end to the water outlet end.

5. The bathtub cleaning device according to claim 2, characterized in that, The flipping body is a small table (100), which has an upper wall (110) and a lower wall (120). The upper wall (110) is provided with a storage groove (111), and the mounting hole (121) is opened in the lower wall (120). The water inlet base (310) is located in the cavity between the upper wall (110) and the lower wall (120). The cavity is also provided with a water inlet pipe (130). One end of the water inlet pipe (130) is connected to the first water inlet (311), and the other end passes through the side wall of the small table (100) and is connected to the liquid supply system. The second water outlet (332) is located below the lower wall (120).

6. The bathtub cleaning device according to claim 5, characterized in that, It also includes a pivot (600). The top of one side wall of the bathtub (500) has a mounting side (510) that is flanged outward from the bathtub (500). A mounting slot (511) is formed on the mounting side (510). A fixing bracket (700) passes through the mounting slot (511). The lower part of the fixing bracket (700) is located below the mounting side (510) and is fixedly connected to the bathtub (500). The fixing bracket (700) has a first mounting foot (710) and a second mounting foot (720). The first mounting foot (710) and the second mounting foot (720) are... The mounting feet (720) are located above the mounting side (510). The two ends of the rotating shaft (600) are respectively inserted through the first mounting foot (710) and the second mounting foot (720). The two ends of the rotating shaft (600) are connected to the small table (100). A first gear (610) is fixedly sleeved on the rotating shaft (600). The flipping drive mechanism includes a motor (210) and a second gear (220). The second gear (220) is coaxially connected to the output shaft of the motor (210). The first gear (610) meshes with the second gear (220).

7. The bathtub cleaning device according to claim 6, characterized in that, The fixed bracket (700) also has a third mounting foot (730) located between the first mounting foot (710) and the second mounting foot (720), and the motor (210) is fixedly mounted on the third mounting foot (730).

8. The bathtub cleaning device according to claim 1, characterized in that, The rotation range of the flipping body is 0°-92°, where 0° means the flipping body is in a horizontal state and 92° means the flipping body flips upward 92° from the horizontal state.

9. The bathtub cleaning device according to any one of claims 1-8, characterized in that, The liquid supply system includes a detergent pipeline (410), a clean water pipeline (420), a main pipeline (430), and a detergent storage tank (440). The detergent pipeline (410) and the clean water pipeline (420) are connected to one end of the main pipeline (430) via a T-joint. The other end of the main pipeline (430) is connected to the water outlet (300). The detergent pipeline (410) is connected to the detergent storage tank (440). A peristaltic pump (450) is installed on the detergent pipeline (410), and a solenoid valve (460) is installed on the clean water pipeline (420).

10. The bathtub cleaning device according to claim 2, characterized in that, The upper outer peripheral wall of the second water outlet (332) is provided with anti-slip vertical grooves (336).

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