CN114054232B

CN114054232B - Cavitation piece, spray set and washing system

Info

Publication number: CN114054232B
Application number: CN202010750670.0A
Authority: CN
Inventors: 熊力宁; 蒋黎; 熊明; 史亚成; 王嘉
Original assignee: Wuxi Little Swan Electric Co Ltd
Current assignee: Wuxi Little Swan Electric Co Ltd
Priority date: 2020-07-30
Filing date: 2020-07-30
Publication date: 2023-09-22
Anticipated expiration: 2040-07-30
Also published as: CN114054232A

Abstract

The invention discloses a cavitation piece, a spraying device and a washing system, wherein the cavitation piece is used for forming micro bubble water from water flow dissolved with air, the cavitation piece comprises a mounting plate and a cavitation column arranged on the mounting plate, and a cavitation channel through which water flow can pass is formed on the cavitation column. According to the cavitation piece provided by the embodiment of the invention, the cavitation piece comprises the mounting plate and the cavitation column arranged on the mounting plate, and the cavitation channel through which water can pass is formed on the cavitation column, so that when the cavitation piece is used in a spraying device, the spraying device can spray a large amount of micro-bubble water, the spraying function can be realized, and meanwhile, the cleaning capability and the decontamination capability are high. In addition, the cavitation piece is simple in structure, convenient to process and form a cavitation channel, and convenient to install and fix.

Description

Cavitation piece, spray set and washing system

Technical Field

The invention relates to the field of spray washing, in particular to a cavitation piece, a spray device and a washing system.

Background

The spraying device in the related art, such as a shower head of a shower system, can only play a role in spraying water to open and rinse the body, has a spraying function, has no better skin cleaning capability and has poor decontamination capability.

Disclosure of Invention

The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, one object of the invention is to provide a cavitation piece which is used for a spraying device, the spraying device has stronger cleaning capability and decontamination capability while realizing spraying, and the cavitation piece has a simple structure and is convenient to install and fix.

The invention also provides a spraying device with the cavitation piece.

The invention also provides a washing system with the spraying device.

According to an embodiment of the first aspect of the invention, the cavitation piece is used for forming the water flow dissolved with air into the microbubble water, and comprises a mounting plate and a cavitation column arranged on the mounting plate, wherein a cavitation channel through which the water flow can pass is formed on the cavitation column.

According to the cavitation piece provided by the embodiment of the invention, the cavitation piece comprises the mounting plate and the cavitation column arranged on the mounting plate, and the cavitation channel through which water can pass is formed on the cavitation column, so that when the cavitation piece is used in a spraying device, the spraying device can spray a large amount of micro-bubble water, the spraying function can be realized, and meanwhile, the cleaning capability and the decontamination capability are high. In addition, the cavitation piece is simple in structure, convenient to process and form a cavitation channel, and convenient to install and fix.

According to some embodiments of the invention, the cavitation channel is a venturi channel.

According to some embodiments of the invention, the total number of cavitation channels is 7-12.

According to some embodiments of the invention, the cavitation column is a plurality of cavitation channels formed on each of the cavitation columns.

According to some embodiments of the invention, at least one of the cavitation columns is disposed adjacent a bottom of the mounting plate.

According to some embodiments of the invention, the cavitation element is an integral molding.

According to some embodiments of the invention, the mounting plate is formed with a plurality of first ribs extending along the radial direction, the first ribs are arranged at intervals along the circumferential direction of the mounting plate, and the cavitation columns are located between two adjacent first ribs.

Further, at least one second rib is formed on the mounting plate, the second rib extends along the circumferential direction of the mounting plate, and at least one first rib is connected with the second rib.

According to a second aspect of the present invention, a spray device includes: the spray head is internally provided with a containing cavity, and is provided with a water inlet and a water outlet which are communicated with the containing cavity; the cavitation piece is the cavitation piece according to the embodiment of the first aspect of the invention, and the cavitation piece is arranged in the accommodating cavity and is positioned between the water inlet and the water outlet.

According to the spraying device provided by the embodiment of the invention, the cavitation piece is arranged in the accommodating cavity of the spraying head, and water entering the accommodating cavity from the water inlet excites and dissolves air in the accommodating cavity, and micro bubble water is formed through the cavitation channel on the cavitation piece, so that the spraying device not only can realize a spraying function, but also has strong cleaning capability and decontamination capability, for example, can have strong skin cleaning capability. And the cavitation piece has simple structure and convenient installation and fixation.

According to some embodiments of the invention, a solution cavity is defined between the cavitation member and the spray header, the solution cavity is positioned at one side of the cavitation member adjacent to the water inlet, and the cavitation channel is communicated with the solution cavity and the water outlet.

Optionally, the cavitation column extends into the solution chamber.

Optionally, the mounting plate is adjacent the water outlet.

An embodiment of a washing system according to the third aspect of the present invention includes: according to the spraying device of the embodiment of the second aspect of the invention.

According to the washing system provided by the embodiment of the invention, the spraying device is arranged, so that the washing system has stronger cleaning capability and decontamination capability, for example, stronger skin cleaning capability. And the cavitation piece in the spraying device has the advantages of simple structure and convenient installation and fixation.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Drawings

The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a perspective view of a spray device according to some embodiments of the invention;

FIG. 2 is a front view of the sprinkler of FIG. 1;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

fig. 4 is an enlarged view of H in fig. 3;

FIG. 5 is a perspective view of a seal of the spray device of FIG. 1;

FIG. 6 is a front view of the seal of FIG. 5;

FIG. 7 is a cross-sectional view taken along line B-B of FIG. 6;

FIG. 8 is a partial block diagram of the sprinkler of FIG. 1;

FIG. 9 is a front view of a portion of the structure of the sprinkler of FIG. 8;

FIG. 10 is a cross-sectional view taken along line C-C of FIG. 9;

FIG. 11 is an enlarged view of FIG. 10 at K;

FIG. 12 is a perspective view of cavitation pieces of the spray device of FIG. 1;

FIG. 13 is a front view of the cavitation piece of FIG. 12;

FIG. 14 is a cross-sectional view taken along line D-D of FIG. 13;

FIG. 15 is a cross-sectional view taken along line E-E of FIG. 13;

FIG. 16 is a perspective view of a shower plate of the shower assembly of FIG. 1;

FIG. 17 is a front view of the shower plate of FIG. 16;

FIG. 18 is a cross-sectional view taken along line F-F of FIG. 17;

FIG. 19 is a perspective view of the handle body of the spray device of FIG. 1;

FIG. 20 is a front view of the handle body of FIG. 19;

FIG. 21 is a top view of the handle body of FIG. 19;

FIG. 22 is a cross-sectional view taken along line G-G of FIG. 21;

FIG. 23 is a perspective view of a handle housing of the spray device of FIG. 1;

FIG. 24 is a front view of the handle housing of FIG. 23;

FIG. 25 is a top view of the handle housing of FIG. 23;

fig. 26 is a sectional view taken along the line J-J in fig. 25.

Reference numerals:

a shower device 100;

a shower head 1; a shower head body 11; a showerhead housing 111; an intake hole 1111; an intake passage 1112; a communication port 1113; a second positioning protrusion 1114; a spray head cover 112; a cover 1121; a stopper 1122; a shower plate 12; a plate body 121; spray holes 1211; positioning notch 1212; a fitting portion 122; a second sealing protrusion 13; a dissolution chamber 14; a water outlet chamber 15; a water inlet channel 16; a water inlet section 161; a water inlet 1611; a pressurization section 162; an outlet 1621; a guide structure 17; a guide hole 171;

a cavitation member 2; a mounting plate 21; a receiving notch 211; a first rib 212; a second rib 213; a cavitation column 22; cavitation channels 221; a tapered section 2211; cavitation inlet 22111; a throat segment 2212; a diverging section 2213; a cavitation outlet 22131;

A pressurizing plate 3; a connection portion 31; a first positioning protrusion 311; a pressing portion 32;

a seal 4; a receiving groove 40; a first seal segment 41; a second seal segment 42; a first sealing protrusion 421; a third seal segment 43;

an intake valve 5; a spool 51; a positioning groove 511; a valve plate 52; a gasket 53; a sealing portion 531; a positioning portion 532; an elastic member 54; a fixing bracket 55; a bracket body 551; positioning the bump 552;

a handle 6; a handle body 61; a water flow channel 610; a first reinforcing rib 611; a second reinforcing rib 612; quick connector 613; a card slot 6131; a first step surface 6132; a threaded joint 614; a second step surface 6141; a handle housing 62; a flange 621;

and a sealing ring 7.

Detailed Description

Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.

A cavitation member 2 for generating microbubbles according to an embodiment of the present invention is described below with reference to fig. 12 to 15 in conjunction with fig. 3.

Referring to fig. 3 and 12-15, the cavitation member 2 is used for forming micro bubble water from water flow dissolved with air, the cavitation member 2 can be used for the spraying device 100, and the spraying device 100 can spray a large amount of micro bubble water by arranging the cavitation member 2, so that cleaning and decontamination capability is enhanced.

The cavitation piece 2 comprises a mounting plate 21 and a cavitation column 22 arranged on the mounting plate 21, a cavitation channel 221 through which water flows is formed on the cavitation column 22, micro-bubble water can be formed when water flow dissolved with air passes through the cavitation channel 221, for example, by designing the size of the cavitation channel 221, a large amount of micro-nano bubble water can be formed after the water flow dissolved with air passes through the cavitation channel 221 of the cavitation piece 2. The micro bubble water can realize mechanical washing, and when a large amount of bubble water contacts the surface of a body or an article, bubbles collapse to generate huge energy to take away stains; the micro bubble water can also realize chemical washing and decontamination, and when a large amount of micro bubble water contacts with the surface of a body or an article, free radicals are generated by micro bubbles to attack stains, so that the stains are decomposed and fall off.

And, through setting up cavitation piece 2 to including mounting panel 21 and establish the cavitation post 22 two parts on mounting panel 21, can make the simple structure of cavitation piece 2, and make things convenient for the processing formation of cavitation passageway 221, also make things convenient for the installation of cavitation piece 2 to fix simultaneously, for example make things convenient for the installation of cavitation piece 2 to fix in shower head 1 of spray set 100. In addition, in the case where the specifications and dimensions of the mounting plate 21 are the same, the height of the cavitation column 22 may be changed to change the extension length of the cavitation channel 221, so that cavitation pieces 2 having different cavitation capacities may be obtained by changing the height of the cavitation column 22, the dimensional structure of the cavitation channel 221 within the cavitation column 22, and the like, with saving of materials.

When the cavitation element 2 is used in the spray device 100, the spray device 100 may include a spray header 1, the spray header 1 defining a receiving chamber therein, the spray header 1 having a water inlet 1611 and a water outlet in communication with the receiving chamber, the cavitation element 2 being disposed within the receiving chamber and between the water inlet 1611 and the water outlet. The water can enter the accommodating cavity from the water inlet 1611, more air can be accommodated in the accommodating cavity, water flow with higher pressure entering from the water inlet 1611 enters the accommodating cavity, the air in the accommodating cavity is excited and dissolved in the accommodating cavity, the flow area of the cavitation channel 221 on the cavitation piece 2 is relatively smaller, a large amount of micro-bubble water can be formed after the water flow of the dissolved air in the accommodating cavity passes through the cavitation channel 221 of the cavitation piece 2, and finally the micro-bubble water is sprayed out through the water outlet, so that bodies, articles (such as clothes, tableware, fruits and vegetables) and the like can be cleaned. Through setting up above-mentioned cavitation piece 2 in the holding chamber of shower head 1, the microbubble water that rivers produced through cavitation piece 2 not only can realize the function of spraying, has stronger clean ability and detergency simultaneously.

According to the cavitation piece 2 of the embodiment of the invention, the cavitation piece 2 comprises the mounting plate 21 and the cavitation column 22 arranged on the mounting plate 21, and the cavitation channel 221 through which water can flow is formed on the cavitation column 22, so that when the cavitation piece 2 is used in the spraying device 100, a large amount of micro-bubble water can be sprayed by the spraying device 100, the spraying function can be realized, and the cleaning capability and the decontamination capability are high. In addition, the cavitation piece 2 is simple in structure, convenient to process and form the cavitation channel 221, and convenient to install and fix the cavitation piece 2.

According to some embodiments of the present invention, referring to fig. 12 to 15, the cavitation channel 221 is formed as a venturi channel, in the process that a water flow in which a large amount of air is dissolved flows through the cavitation channel 221, since the flow area of the cavitation channel 221 is reduced and then increased, a great pressure difference is formed at both ends of the cavitation channel 221, the pressure at the cavitation inlet 22111 of the cavitation channel 221 is great, and the pressure at the cavitation outlet 22131 of the cavitation channel 221 is small, which is equivalent to extruding a large-section water flow into a small-section cavitation channel 221, the speed of the water flow entering the cavitation channel 221 under high pressure is rapidly increased, and in each cavitation channel 221, the flow speed and pressure of the water flow are changed due to the reduction and the increase of the flow area of the cavitation channel 221, so that the air is separated out in the form of microbubbles, and a large amount of nano-scale micro bubble water can be formed. Thus, by providing the cavitation channel 221 as a venturi channel, the cavitation effect of the cavitation channel 221 can be further improved, and a smaller number of microbubbles can be formed, so that the cleaning and decontamination ability can be further improved.

For example, in the example of fig. 15, the cavitation channel 221 is a venturi channel, the cavitation channel 221 includes a tapered section 2211, a throat section 2212, and a diverging section 2213 connected in this order, the tapered section 2211 has a cavitation inlet 22111, the diverging section 2213 has a cavitation outlet 22131, a flow area of the tapered section 2211 gradually decreases in a direction from the cavitation inlet 22111 to the cavitation outlet 22131, and a flow area of the diverging section 2213 gradually increases in a direction from the cavitation inlet 22111 to the cavitation outlet 22131, wherein the flow area of the throat section 2212 is minimum. Wherein, the diameter D1 of the cavitation inlet 22111 can be in the range of 1.5-2.5mm, the diameter D2 of the throat section 2212 can be in the range of 0.5-1.2mm, and the diameter D3 of the cavitation inlet 22111 can be in the range of 1.2-2.0mm, thereby not only making the cavitation piece 2 produce micro bubble water with richer micro bubble content, but also having more moderate water flow velocity in the cavitation piece 2 and reducing the blocking risk of the cavitation channel 221.

According to some embodiments of the invention, referring to fig. 12-15, cavitation channels 221 are a plurality of spaced apart. This can improve the bubble generating capability of the cavitation element 2, and form a large number of microbubbles per unit time. For example, the total number of cavitation channels 221 may be 7-12, cavitation channels 221 being critical for the creation of microbubbles by spray device 100. The number of cavitation channels 221 is too large, and the pressure of the solution cavity 14 is too small to reach the condition of generating micro-nano bubbles; the cavitation channels 221 are too few in number, so that the effect of generating micro-nano bubbles is good, but the water is less, and the requirements of washing such as shower cannot be met, and the conditions of generating micro-bubbles can be met at the same time and the requirements of washing such as shower can be met by setting the number of the cavitation channels 221 to 7-12.

It should be noted that the term "plurality" as used herein means two or more.

According to some embodiments of the invention, referring to fig. 3 and 12-15, cavitation channel 221 is disposed adjacent the bottom of cavitation piece 2. When the cavitation piece 2 is used in the spray device 100, the cavitation piece 2 is arranged in the spray head 1 of the spray device 100, water flow entering the accommodating cavity of the spray head 1 through the water inlet 1611 is easy to concentrate at the bottom of the accommodating cavity under the action of gravity, the cavitation channel 221 is arranged adjacent to the bottom of the cavitation piece 2, so that the cavitation channel 221 is adjacent to the bottom of the accommodating cavity, and water flow with a large amount of dissolved air accumulated at the bottom of the accommodating cavity can perform cavitation through the cavitation channel 221 to form micro bubble water, even when the water amount in the accommodating cavity is small, water flow with a large amount of dissolved air still remains at the bottom of the accommodating cavity, so that micro bubble water can be formed through the discharge of the cavitation channel 221 regardless of the water flow speed or the water amount accumulated in the accommodating cavity, and the residual water amount in the accommodating cavity can be reduced.

According to some embodiments of the present invention, referring to fig. 12 and 13, the cavitation columns 22 are plural, and a plurality of cavitation channels 221 are formed on each cavitation column 22. This can improve the bubble generating capability of the cavitation element 2, and form a large number of microbubbles per unit time. Alternatively, at least one cavitation column 22 is disposed adjacent the bottom of the mounting plate 21, such as one of the cavitation columns 22 being disposed adjacent the bottom of the mounting plate 21, or each cavitation column 22 being disposed adjacent the bottom of the mounting plate 21. Therefore, the cavitation channel 221 is adjacent to the bottom of the cavitation piece 2, water flow entering the accommodating cavity through the water inlet 1611 is easy to concentrate at the bottom of the accommodating cavity under the action of gravity, micro-bubble water can be discharged through the cavitation channel 221 no matter how fast the water flow is or how much water is accumulated in the accommodating cavity, and the residual water quantity in the accommodating cavity can be reduced.

In some embodiments of the invention, cavitation piece 2 may be an integral piece. Thereby, the processing and molding process of the air conditioner 2 is simple, the manufacturing and molding are convenient, the assembly process of the cavitation column 22 and the mounting plate 21 is reduced, and the connection strength between the cavitation column 22 and the mounting plate 21 is high.

In other embodiments of the present invention, the cavitation column 22 and the mounting plate 21 may be separate molded parts, and the cavitation column 22 and the mounting plate 21 may be assembled after being separately molded, and the cavitation column 22 and the mounting plate 21 may be bonded, welded, clamped, or connected by fasteners.

According to some embodiments of the present invention, referring to fig. 12 to 15, a plurality of first ribs 212 extending in a radial direction are formed on the mounting plate 21 of the cavitation member 2, the plurality of first ribs 212 are arranged at intervals along the circumferential direction of the mounting plate 21, and the cavitation column 22 is located between two adjacent first ribs 212. The cavitation piece 2 bears great water pressure, through setting up above-mentioned a plurality of first ribs 212 on mounting panel 21, can improve the structural strength of mounting panel 21, set up cavitation post 22 between two adjacent first ribs 212 simultaneously for the structural layout of cavitation piece 2 is reasonable, and structural strength is whole comparatively even.

Further, referring to fig. 12 to 15, at least one second rib 213 is formed on the mounting plate 21 of the cavitation member 2, the second rib 213 extends along the circumferential direction of the mounting plate 21, and at least one first rib 212 is connected to the second rib 213. Therefore, the structural strength of the mounting plate 21 can be further enhanced and the structural strength of each part of the mounting plate 21 is higher and more uniform by arranging the second ribs 213 and connecting at least one first rib 212 with the second ribs 213.

For example, in the examples of fig. 3 and fig. 12 to fig. 15, the cavitation member 2 includes the mounting plate 21 and the cavitation column 22, the mounting plate 21 is formed with the first ribs 212 and the second ribs 213, the first ribs 212 are a plurality of and the plurality of first ribs 212 are arranged at intervals along the circumferential direction of the mounting plate 21, the second ribs 213 are a plurality of and the plurality of second ribs 213 are arranged at intervals along the radial direction of the mounting plate 21, and each of the first ribs 212 is connected with the plurality of first ribs 212. The number of the cavitation columns 22 is two, each cavitation column 22 is located between two adjacent first ribs 212 and a radially outermost second rib 213, the two cavitation columns 22 are all arranged adjacent to the bottom of the mounting plate 21, 5 cavitation channels 221 are formed on each cavitation column 22, the cavitation channels 221 are arranged adjacent to the center of the cavitation column 22, and each cavitation channel 221 is formed into a venturi channel. When the cavitation piece 2 is used for the spraying device 100, water flow entering the accommodating cavity through the water inlet 1611 excites air in the accommodating cavity to flow towards the bottom of the accommodating cavity under the action of gravity, then cavitation is carried out through the cavitation channel 221 of the cavitation piece 2 to form a large number of microbubbles, and finally the water outlet is sprayed out to spray and clean, so that the cleaning and decontamination capacities can be improved while the spraying effect is realized.

A spray device 100 according to an embodiment of the present invention is described below with reference to fig. 1-26. The spray device 100 may be used in a shower system, dishwasher, washing machine, steam mop, fruit and vegetable washer, and other washing systems for washing.

As shown in fig. 1 to 3 and 12, a shower apparatus 100 according to an embodiment of the second aspect of the present invention includes: a shower head 1 and cavitation pieces 2 for generating microbubbles, the cavitation pieces 2 being cavitation pieces 2 according to the embodiment of the first aspect of the present invention described above.

The spray header 1 defines a containing cavity therein, the spray header 1 has a water inlet 1611 and a water outlet, and water can enter the containing cavity from the water inlet 1611 and be sprayed out from the water outlet. Cavitation element 2 is disposed within the containment chamber and between water inlet 1611 and the water outlet. The water can enter the accommodating cavity from the water inlet 1611, more air can be accommodated in the accommodating cavity, water flow with higher pressure entering from the water inlet 1611 enters the accommodating cavity, the air in the accommodating cavity is excited and dissolved in the accommodating cavity, the flow area of the cavitation channel 221 on the cavitation piece 2 is relatively smaller, a large amount of micro-bubble water can be formed after the water flow of the dissolved air in the accommodating cavity passes through the cavitation channel 221 of the cavitation piece 2, and finally the micro-bubble water is sprayed out through the water outlet, so that bodies, articles (such as clothes, tableware, fruits and vegetables) and the like can be cleaned. Through setting up above-mentioned cavitation piece 2 in the holding chamber of shower head 1, the microbubble water that rivers produced through cavitation piece 2 not only can realize the function of spraying, has stronger clean ability and detergency simultaneously.

According to the spraying device 100 of the embodiment of the invention, by arranging the cavitation piece 2 and arranging the cavitation piece 2 in the accommodating cavity of the spray header 1, water entering the accommodating cavity from the water inlet 1611 excites and dissolves air in the accommodating cavity, and micro bubble water is formed through the cavitation channel 221 on the cavitation piece 2, so that the spraying function can be realized, and the cleaning capability and the decontamination capability are high, for example, the skin cleaning capability is high. The cavitation piece 2 is simple in structure and convenient to install and fix.

According to some embodiments of the present invention, referring to fig. 1-3 and 12, a solution chamber 14 is defined between the cavitation member 2 and the showerhead 1, the solution chamber 14 being in communication with the water inlet 1611, the solution chamber 14 being located on a side of the cavitation member 2 adjacent to the water inlet 1611, and a cavitation channel 221 being formed in the cavitation member 2, the cavitation channel communicating the solution chamber 14 with the water outlet.

When the spraying device 100 is used, water can enter the dissolved air cavity 14 through the water inlet 1611, as more air is contained in the dissolved air cavity 14, water flow with higher pressure entering from the water inlet 1611 enters the dissolved air cavity 14, the air in the dissolved air cavity 14 is excited and dissolved in the dissolved air cavity 14, the flow area of the cavitation channel 221 on the cavitation piece 2 is relatively smaller, so that higher pressure can be generated in the dissolved air cavity 14, hundreds of millions of micro-nano bubble water can be formed through the cavitation channel 221 of the cavitation piece 2 under high pressure, micro-bubble water is formed in the process that water containing high-concentration air solutes passes through the cavitation channel 221 of the cavitation piece 2, a large number of micro-bubbles are contained in the water flow discharged through the cavitation channel 221 of the cavitation piece 2, and finally the water flow is sprayed out through the water outlet, so that bodies, articles (such as clothes, tableware, fruits and the like) can be cleaned.

Through setting up the cavitation piece 2 that is used for producing the microbubble in the holding chamber of shower head 1, the water flow is through the micro-nano bubble water that cavitation piece 2 produced, not only can realize the function of spraying, has stronger clean ability and decontamination ability simultaneously. The micro-nano bubble water can realize mechanical washing, and when a large amount of micro-nano bubble water contacts with the surface of a body or an article, bubbles collapse, huge energy is generated, and stains are taken away; the micro-nano bubble water can also realize chemical washing and decontamination, and when a large amount of micro-nano bubble water contacts with the surface of a body or an article, free radicals are generated by the micro-nano bubbles to attack stains, so that the stains are decomposed and fall off.

Alternatively, referring to fig. 2-4 and 16-18, the showerhead 1 may comprise: the spray header comprises a spray header body 11 and a spray plate 12, wherein the spray plate 12 is arranged at the open end of the spray header body 11, a water inlet 1611 is formed on the spray header body 11, a water outlet comprises a plurality of spray holes 1211 formed on the spray plate 12, a water outlet cavity 15 is defined between the cavitation piece 2 and the spray plate 12, and a cavitation channel 221 is communicated with the solution cavity 14 and the water outlet cavity 15. Water can enter the dissolving cavity 14 through the water inlet 1611, air in the dissolving cavity 14 is excited and dissolved in the dissolving cavity 14, hundreds of millions of micro-bubble water can be formed through the cavitation channel 221 of the cavitation member 2 under high pressure, a large amount of micro-bubbles formed through the cavitation channel 221 of the cavitation member 2 can flow into the water outlet cavity 15, and finally are sprayed out through the plurality of spraying holes 1211 on the spraying plate 12, so that bodies, articles (such as clothes, tableware, fruits and vegetables) and the like can be cleaned.

For example, when the spray device 100 is used in a shower system, the spray device 100 can be connected with a water heater through a pipeline, warm water of the water heater enters the dissolved air cavity 14 of the spray header 1 through the pipeline connected between the water heater and the spray device 100 through the water inlet 1611, air in the dissolved air cavity 14 is excited and dissolved, hundreds of millions of micro-nano bubble water can be formed through the cavitation channel 221 of the cavitation piece 2 under high pressure, finally, a large amount of micro-nano micro-bubble water is sprayed out through the water outlet to clean a body, and is in contact with the surface of the body, so that bubbles collapse, huge energy is generated, stains are taken away, and micro-nano bubbles generate free radicals to attack the stains, so that the stains are decomposed and shed, and the cleaning and decontamination capacities of the spray device 100 can be improved while the spray function is realized, for example, the skin cleaning capacity can be improved.

According to some embodiments of the invention, referring to fig. 3 and 12-15, cavitation channel 221 is disposed adjacent the bottom of cavitation piece 2. The water flow entering the dissolved air cavity 14 through the water inlet 1611 is easy to concentrate at the bottom of the dissolved air cavity 14 under the action of gravity, the cavitation channel 221 is arranged adjacent to the bottom of the cavitation piece 2, so that the cavitation channel 221 is adjacent to the bottom of the dissolved air cavity 14, the water flow which is accumulated at the bottom of the dissolved air cavity 14 and is dissolved with a large amount of air can be subjected to cavitation through the cavitation channel 221 to form micro bubble water, even when the water amount in the dissolved air cavity 14 is small, the water flow which is dissolved with a large amount of air is still accumulated at the bottom of the dissolved air cavity 14, and therefore the micro bubble water can be discharged through the cavitation channel 221 regardless of the water flow speed or the water amount accumulated in the dissolved air cavity 14, and the residual water amount in the dissolved air cavity 14 can be reduced.

According to some embodiments of the invention, referring to fig. 3 and 12-15, the cavitation column 22 extends into the solution chamber 14. The cavitation channel 221 is formed in the cavitation column 22, and by extending the cavitation column 22 into the dissolution chamber 14, the extension length of the cavitation channel 221 can be increased, so that the cavitation effect can be improved, and the space of the dissolution chamber 14 can be utilized, so that a portion of the cavitation column 22 is accommodated in the dissolution chamber 14, and the overall structure of the spray device 100 is compact.

According to some embodiments of the invention, the mounting plate 21 is adjacent to the water outlet. Therefore, the cavitation piece 2 and the spray header 1 can define the dissolution cavity 14 with larger volume, so that the dissolution cavity 14 can contain more air, the distance between the cavitation piece 2 and the water inlet 1611 is larger, water flow entering the dissolution cavity 14 through the water inlet 1611 can be fully mixed with the air, more air is dissolved in the water flow, water with a large amount of dissolved air flows through the cavitation channel 221 of the cavitation piece 2, and microbubbles with smaller volume and larger amount can be formed, so that the cleaning and decontamination capability can be further improved.

For example, in the examples of fig. 3 and 12-15, cavitation member 2 includes mounting plate 21 and cavitation column 22 described above, mounting plate 21 being disposed adjacent the water outlet, cavitation column 22 extending into solution chamber 14. The number of the cavitation columns 22 is two, the two cavitation columns 22 are arranged adjacent to the bottom of the mounting plate 21, 5 cavitation channels 221 are formed on each cavitation column 22, the cavitation channels 221 are arranged adjacent to the center of the cavitation column 22, and each cavitation channel 221 is formed as a venturi channel. The water flow entering the dissolving cavity 14 through the water inlet 1611 excites the air in the dissolving cavity 14 to flow towards the bottom of the dissolving cavity 14 under the action of gravity, then cavitation is carried out through the cavitation channel 221 of the cavitation member 2 to form a large number of microbubbles, and finally the water outlet is sprayed out for spray cleaning, so that the cleaning and decontamination capacities can be improved while the spray effect is realized.

According to some embodiments of the invention, referring to fig. 3-7, the spray device 100 includes a seal assembly disposed between the cavitation member 2 and the inner wall of the containment chamber. Through set up seal assembly between space spare and the inner wall that holds the chamber, can make the dissolved air cavity 14 that defines between space spare 2 and the shower head 1 have better seal to can form higher pressure in the dissolved air cavity 14, thereby guarantee that cavitation channel 221's both ends have great pressure differential, can strengthen the cavitation effect that water flowed through cavitation channel 221, the little bubble water of formation volume more and volume is littleer, and the impact force of little bubble water is also stronger, promotes clean, decontamination effect further. Wherein the sealing assembly may comprise only one sealing member 4, the sealing assembly may also comprise a plurality of sealing members 4.

In some alternative embodiments of the present invention, referring to fig. 3-4, a seal assembly is sleeved over cavitation member 2, the seal assembly being in an interference fit with cavitation member 2. Through establish seal assembly cover on cavitation piece 2, make things convenient for seal assembly's installation fixed to make seal assembly and cavitation piece 2 interference fit, can make seal piece 4 fix at cavitation piece 2 more steadily, and can guarantee sealed effect.

In some alternative embodiments of the invention, referring to fig. 3-7, the seal assembly includes a seal member 4 defining an annular receiving groove 40 in the seal member 4, the peripheral edge of the cavitation element 2 being received in the receiving groove 40. By forming the annular accommodating groove 40 in the sealing member 4, the outer peripheral edge of the air conditioner 2 is matched in the accommodating groove 40, the matching area of the sealing member 4 and the cavitation member 2 can be increased, the matching stability of the sealing member 4 and the cavitation member 2 can be improved, the sealing length and the sealing area can be increased, and the sealing effect can be enhanced.

Optionally, referring to fig. 5, a receiving notch 211 is formed on the outer circumferential edge of the cavitation piece 2, and a portion of the sealing member 4 is received in the receiving notch 211. On the basis of the accommodating groove 40 accommodated in the sealing element 4 along the periphery of the cavitation element 2, a part of the sealing element 4 is further accommodated in the accommodating notch 211 on the cavitation element 2, so that the cavitation element 2 and the sealing element 4 are mutually embedded, the matching area of the sealing element 4 and the cavitation element 2 is improved, the matching stability between the sealing element 4 and the cavitation element 2 can be improved, and the sealing effect can be improved.

Alternatively, referring to fig. 5 and 7, the radial cross section of the seal 4 is U-shaped, the cross section of the receiving groove 40 defined in the seal 4 is U-shaped, and the radial cross section of the seal 4 is perpendicular to the circumferential tangent of the seal 4. Through setting the radial cross-section of sealing member 4 to the U-shaped, both conveniently form above-mentioned holding tank 40 to can increase sealing length and sealing area between sealing member 4 and cavitation piece 2 and sealing length and sealing area between sealing member 4 and the inner wall that holds the chamber, the trilateral effect that seals that all plays of contact outside in the sealing member 4 can reach better sealed effect, and sealing member 4 of this form structure can reduce seal structure's use quantity, and the installation is also more convenient.

In some alternative embodiments of the present invention, referring to fig. 4 to 7, the surface of the sealing assembly facing the inner wall of the receiving chamber is formed with a first sealing protrusion 421 having elasticity, for example, the surface of the sealing assembly facing the inner wall of the receiving chamber may be formed with a plurality of first sealing protrusions 421, and the first sealing protrusions 421 are abutted with the inner wall of the receiving chamber. Therefore, when the sealing assembly is installed between the cavitation piece 2 and the inner wall of the accommodating cavity, the inner wall of the accommodating cavity presses the first sealing protrusion 421 on the sealing assembly, so that the first sealing protrusion 421 is elastically deformed, the sealing assembly can be in close contact with the inner wall of the accommodating cavity, and the sealing effect is further improved. And, when a plurality of first sealing protrusions 421 are provided on the sealing assembly, a labyrinth seal can be formed, so that the sealing effect is better improved.

In some alternative embodiments of the present invention, referring to fig. 4 to 7, a second sealing protrusion 13 is formed on an inner wall of the receiving chamber, and the second sealing protrusion 13 abuts against a sealing assembly, which may have elasticity, for example, the sealing assembly may be a rubber member or a silicone member. Thereby, when the sealing assembly is mounted between the cavitation piece 2 and the inner wall of the accommodation chamber, the second sealing protrusion 13 on the inner wall of the accommodation chamber can press the sealing assembly so that the sealing assembly can be in close contact with the inner wall of the accommodation chamber, further improving the sealing effect. And, when a plurality of second sealing bulges 13 are arranged on the inner wall of the accommodating cavity, labyrinth seal can be formed, so that the sealing effect is better improved.

In some alternative embodiments of the present invention, referring to fig. 4 to 7, the surface of the sealing assembly facing the inner wall of the receiving chamber is formed with a plurality of the above-described first sealing protrusions 421, and the inner wall of the receiving chamber is formed with a plurality of second sealing protrusions 13, whereby the sealing effect can be better enhanced.

For example, in some embodiments of the invention, referring to fig. 4-7, the seal assembly includes a seal 4, an annular receiving groove 40 is defined in the seal 4, the outer periphery of the cavitation member 2 is received in the receiving groove 40, the seal 4 includes a first seal segment 41, a second seal segment 42, and a third seal segment 43 connected in sequence, the second seal segment 42 extends along an axial direction of the seal 4, an angle is formed between the first seal segment 41 and the second seal segment 42 (e.g., a vertical arrangement between the first seal segment 41 and the second seal segment 42), an angle is formed between the second seal segment 42 and the third seal segment 43 (e.g., a vertical arrangement between the second seal segment 42 and the third seal segment 43), a radial cross section of the seal 4 is U-shaped, and a first seal protrusion 421 is formed on the second seal segment 42. Thereby, the mounting and fixing of the sealing member 4 are facilitated, and the sealing effect can be enhanced by providing the first sealing projection 421 on the second sealing section 42. Further, a second sealing protrusion 13 is formed on the inner wall of the accommodating chamber, and the second sealing protrusion 13 abuts against both the first sealing section 41 and the third sealing section 43. The first sealing bulge 421 on the second sealing section 42 is abutted with the inner wall of the accommodating cavity, and the second sealing bulge 13 on the inner wall of the accommodating cavity is combined with the first sealing section 41 and the third sealing section 43 to be abutted, so that three surfaces of the sealing element 4, which are in contact with the inner side and the outer side, play a role in sealing, and a better sealing effect can be achieved.

In some alternative embodiments of the present invention, referring to fig. 2-7 and 16-18, the showerhead 1 may comprise: the shower head comprises a shower head body 11 and a shower plate 12, wherein the shower plate 12 is arranged at the open end of the shower head body 11, the water outlet comprises a plurality of shower holes 1211 formed on the shower plate 12, a water cavity 15 is defined between the cavitation piece 2 and the shower plate 12, a cavitation channel 221 is communicated with the dissolved air cavity 14 and the water cavity 15, the sealing assembly comprises a sealing piece 4, one part of the sealing piece 4 is positioned between the shower head body 11 and the cavitation piece 2, and the other part of the sealing piece 4 is positioned between the shower plate 12 and the cavitation piece 2. Water can enter the dissolving cavity 14 through the water inlet 1611, air in the dissolving cavity 14 is excited and dissolved in the dissolving cavity 14, hundreds of millions of micro-bubble water can be formed through the cavitation channel 221 of the cavitation member 2 under high pressure, a large amount of micro-bubbles formed through the cavitation channel 221 of the cavitation member 2 can flow into the water outlet cavity 15, and finally are sprayed out through the plurality of spraying holes 1211 on the spraying plate 12, so that bodies, articles (such as clothes, tableware, fruits and vegetables) and the like can be cleaned. And through a sealing member 4 that sets up, can make between cavitation spare 2 and the shower head body 11 and between cavitation spare 2 and the shower board 12 sealed well to form higher pressure in making the dissolved air cavity 14, guarantee that the both ends of cavitation passageway 221 maintain great pressure differential, further promote the cavitation effect of rivers through cavitation passageway 221, form more and the less little micro-bubble water of volume, and the impact force of micro-bubble water is also stronger, further promote clean, decontamination effect. In addition, the number of the sealing members 4 can be reduced while ensuring the sealing effect.

In other alternative embodiments of the present invention, the showerhead 1 may include: the shower head comprises a shower head body 11 and a shower plate 12, wherein the shower plate 12 is arranged at the open end of the shower head body 11, the water outlet comprises a plurality of shower holes 1211 formed on the shower plate 12, a water cavity 15 is defined between the cavitation piece 2 and the shower plate 12, a cavitation channel 221 is communicated with the dissolved air cavity 14 and the water outlet cavity 15, the sealing assembly comprises two sealing pieces 4, one of the two sealing pieces 4 is positioned between the shower head body 11 and the cavitation piece 2, and the other of the two sealing pieces 4 is positioned between the shower plate 12 and the cavitation piece 2. Water can enter the dissolving cavity 14 through the water inlet 1611, air in the dissolving cavity 14 is excited and dissolved in the dissolving cavity 14, hundreds of millions of micro-bubble water can be formed through the cavitation channel 221 of the cavitation member 2 under high pressure, a large amount of micro-bubbles formed through the cavitation channel 221 of the cavitation member 2 can flow into the water outlet cavity 15, and finally are sprayed out through the plurality of spraying holes 1211 on the spraying plate 12, so that bodies, articles (such as clothes, tableware, fruits and vegetables) and the like can be cleaned. And through two sealing members 4 that set up, can make between cavitation spare 2 and the shower head body 11 and between cavitation spare 2 and the shower board 12 sealed well to form higher pressure in making the dissolved air cavity 14, guarantee that the both ends of cavitation passageway 221 maintain great pressure differential, further promote the cavitation effect of rivers through cavitation passageway 221, form more and the less little micro-bubble water of volume, and the impact force of micro-bubble water is also stronger, further promote clean, decontamination effect.

According to some embodiments of the present invention, referring to fig. 3-4 and 16-18, the showerhead 1 includes a showerhead body 11 and a showerhead plate 12, the showerhead plate 12 is disposed at an open end of the showerhead body 11, the showerhead body 11 includes a showerhead case 111 and a showerhead cover 112 connected, a water inlet 1611 is formed on the showerhead case 111, the showerhead plate 12 is disposed within the showerhead cover 112 and is located at an open side of the showerhead case 111, a water outlet includes a plurality of showerhead holes 1211 formed on the showerhead plate 12, a water outlet cavity 15 is defined between the cavitation piece 2 and the showerhead plate 12, and a cavitation channel 221 communicates the solution cavity 14 and the water outlet cavity 15. Water can enter the dissolving cavity 14 through the water inlet 1611, air in the dissolving cavity 14 is excited and dissolved in the dissolving cavity 14, hundreds of millions of micro-bubble water can be formed through the cavitation channel 221 of the cavitation member 2 under high pressure, a large amount of micro-bubbles formed through the cavitation channel 221 of the cavitation member 2 can flow into the water outlet cavity 15, and finally are sprayed out through the plurality of spraying holes 1211 on the spraying plate 12, so that bodies, articles (such as clothes, tableware, fruits and vegetables) and the like can be cleaned.

Optionally, the spray header shell 111 and the spray header cover 112 can be in threaded connection, and the spray header cover 112 and the spray header shell 111 are assembled and connected in a threaded connection mode, so that the spray header cover 112 and the spray header shell 111 are more convenient to assemble and disassemble, the fault tolerance of the threaded fastening mode is higher, the sealing can be better ensured, the stronger fastening force can be provided to overcome the high pressure generated in the dissolved air cavity 14, and a good output environment is provided for generation of micro bubbles. In addition, by arranging the spray plate 12 in the spray cap, when the spray header 1 is assembled, the spray plate 12 can be pressed on the spray header shell 111, then the spray header shell 111 is in threaded connection with the spray header 112, and the spray plate 12 is tightly screwed by the threads, so that the spray plate 12 is contained in the spray header 112 and is tightly pressed in the spray header 112 by the combined action between the spray header 112 and the spray header shell 111, the spray plate 12 is conveniently and fixedly installed, and better sealing performance can be ensured.

In some embodiments of the present invention, referring to fig. 3 and 4, spray head cover 112 includes a cover body 1121 having a cylindrical shape and a stopper 1122 connected to an end of cover body 1121 remote from spray head housing 111, stopper 1122 being located at an inner circumferential side of cover body 1121, stopper 1122 being extendable in a circumferential direction of cover body 1121 and formed in a ring shape, cover body 1121 being screw-coupled with spray head housing 111, and spray plate 12 being abutted or coupled with stopper 1122. By providing the shower head cover 112 with the cover 1121 and the stopper 1122 as described above, on the one hand, threaded connection between the cover 1121 and the shower head housing 111 can be achieved, and on the other hand, the stopper 1122 can limit and fix the shower plate 12 provided in the shower head cover 112, thereby preventing the shower plate 12 from falling off from the shower head cover 112.

In a further embodiment of the present invention, referring to fig. 3 to 4 and 16 to 18, the shower plate 12 includes a plate body 121 and an engaging portion 122 formed at an outer circumferential edge of the plate body 121, the engaging portion 122 is located at one side of the plate body 121 adjacent to the shower head housing 111, the engaging portion 122 is engaged with the cover body 1121, a plurality of shower holes 1211 are formed in the plate body 121, and the plate body 121 abuts or is connected to the stopper 1122. By providing spray plate 12 to include both plate body 121 and mating portion 122 as described above, the mating area of spray plate 12 and spray head cover 112 may be increased by mating portion 122 of spray plate 12 with cover 1121 of spray head cover 112 and abutting and mating plate body 121 of spray plate 12 with stop 1122 of spray head cover 112, such that spray plate 12 is more reliably and stably installed and secured within spray head cover 112.

Alternatively, referring to fig. 4 and 18, a positioning notch 1212 is formed on the plate body 121, the positioning notch 1212 may penetrate through the outer peripheral surface of the plate body 121 and a surface of the plate body 121 adjacent to the stop portion 1122, the stop portion 1122 is matched with the positioning notch 1212, a free end of the stop portion 1122 abuts against a sidewall of the positioning notch 1212, for example, the positioning notch 1212 may extend along a circumferential direction of the plate body 121 and have a ring shape, the stop portion 1122 may extend along a circumferential direction of the cover 1121 and have a ring shape, and an inner peripheral wall of the stop portion 1122 may abut against a circumferential sidewall of the positioning notch 1212. Thus, by abutting the free ends of stop 1122 against the sidewalls of locating notch 1212, spray plate 12 and spray head cover 112 may be positioned relative to one another such that spray plate 12 may be more reliably positioned within the spray head cover.

In some embodiments of the present invention, referring to fig. 3-7 and 16-18, spray device 100 includes seal 4 described above, spray header 1 includes spray header body 11 and spray plate 12 described above, spray header body 11 includes spray header housing 111 and spray header cover 112 described above, and spray header housing 111 is threadably coupled to spray header cover 112. The seal member 4 is formed in a ring shape, the receiving groove 40 formed in the seal member 4 is formed in a ring shape, the radial cross section of the seal member 4 is formed in a U shape, and the cross section of the receiving groove 40 defined in the seal member 4 is formed in a U shape. The seal 4 includes a first seal segment 41, a second seal segment 42, and a third seal segment 43 that are connected in this order in the axial direction of the seal 4, the second seal segment 42 extending in the axial direction of the seal 4, the first seal segment 41 and the third seal segment 43 extending toward the center direction of the adjacent seal 4. The second sealing section 42 is formed with a plurality of first sealing protrusions 421, the plurality of first sealing protrusions 421 are arranged along the axial direction and the circumferential direction of the second sealing section 42, and the shower plate 12 and the shower head housing 111 are formed with a plurality of second sealing protrusions 13.

In the process of assembling the spray device 100, the sealing element 4 can be sleeved on the cavitation element 2, then the cavitation element 2 sleeved with the sealing element 4 is installed in the spray header shell 111, so that the sealing element 4 is in contact with the inner wall of the spray header shell 111, then the spray plate 12 is pressed on the sealing element 4, one part of the sealing element 4 is positioned between the spray header shell 111 and the cavitation element 2, the other part of the sealing element 4 is positioned between the spray plate 12 and the cavitation element 2, finally the spray header 112 is installed on the spray header shell 111 and is connected in a threaded connection mode, the first sealing bulge 421 of the second sealing section 42 is abutted with the spray plate 12 and the spray header shell 111 by utilizing threads, the first sealing section 41 is abutted with the second sealing bulge 13 on the spray header shell 111, and the third sealing section 43 is abutted with the second sealing bulge 13 on the spray header shell 112, so that the spray header shell 111, the spray header shell 112, the spray header plate 12, the cavitation element 2 and the sealing element 4 are tightly matched and good sealing can be realized.

According to some embodiments of the invention, referring to fig. 3 and 12-15, the receiving chamber has a water inlet channel 16 therein spaced from the dissolution chamber 14, the water inlet channel 16 having a water inlet 1611 and an outlet 1621, the dissolution chamber 14 being located between the outlet 1621 and the water outlet, the outlet 1621 communicating the water inlet channel 16 with the dissolution chamber 14, the cavitation 2 having a flow area smaller than the flow area of the outlet 1621. When the cavitation channel 221 is one, the flow area of the cavitation element 2 is the flow area of the cavitation channel 221; when there are a plurality of cavitation channels 221, the flow area of the cavitation element 2 is the sum of the flow areas of all the cavitation channels 221, wherein the flow area of the cavitation channel 221 is the flow area at the position where the cross-sectional area of the cavitation channel 221 is the smallest. Through being less than the flow area of export 1621 with cavitation spare 2's flow area, can make the interior higher pressure that produces of dissolved air cavity 14, further improve cavitation channel 221's both ends pressure differential, further promote the cavitation effect of water through cavitation channel 221, form more and the less micro-bubble water of volume, and the impact force of micro-bubble water is also stronger, further promotes clean, decontamination effect. Wherein the pressure within the dissolution chamber 14 may be less than the pressure of tap water.

According to some embodiments of the invention, referring to fig. 3, 8-10 and 12-15, the accommodating chamber is provided with a water inlet channel 16, the water inlet channel 16 can be separated from the dissolved air chamber 14, the water inlet channel 16 is provided with a water inlet 1611 and an outlet 1621, the dissolved air chamber 14 is positioned between the outlet 1621 and the water outlet, the outlet 1621 is communicated with the water inlet channel 16 and the dissolved air chamber 14, and the flow area of the outlet 1621 is smaller than that of the water inlet 1611. By providing the water inlet channel 16, water can be introduced into the dissolved air cavity 14, and by making the flow area of the outlet 1621 smaller than that of the water inlet 1611, the pressure of water flow ejected from the outlet 1621 of the water inlet channel 16 into the dissolved air cavity 14 through the water inlet channel 16 can be made larger, so that the water pressure of water flow flowing into the dissolved air cavity 14 is increased, high-pressure water flow ejected from the outlet 1621 of the water inlet channel 16 can be made more dispersed in the dissolved air cavity 14, the gas dissolution amount of water flow in the dissolved air cavity 14 is increased, more microbubbles can be generated after the water flow in the dissolved air cavity 14 passes through the cavitation channel 221 of the cavitation member 2, and the cleaning and decontaminating ability is enhanced.

In some alternative embodiments of the present invention, referring to fig. 3, 8-10, the water inlet channel 16 comprises: a water inlet section 161 and a pressurizing section 162 located downstream of the water inlet section 161 (the pressurizing section 162 being located downstream of the water inlet section 161 means that the pressurizing section 162 is located on the downstream side of the entire water inlet section 161 in the direction of the flow of water), a water inlet 1611 is formed in the water inlet section 161, an outlet 1621 is formed in the pressurizing section 162, and the flow area of the pressurizing section 162 is smaller than or equal to the flow area of the water inlet section 161. The flow area of the pressurizing section 162 refers to the flow area at the position where the cross-sectional area of the pressurizing section 162 is minimum, and the flow area of the water inlet section 161 refers to the flow area at the position where the cross-sectional area of the water inlet section 161 is minimum. By arranging the water inlet passage 16 to include the water inlet sections 161 and the pressurizing sections 162 having different flow areas, the flow loss can be reduced when the water flows through the water inlet section 161 having a larger flow area, the pressurizing and speed-increasing can be performed when the water flows through the pressurizing sections 162 having a smaller flow area, the flow loss can be reduced, and the water flow pressure ejected from the outlet 1621 can be made to be large and high in speed, and the high-pressure and high-speed water flow is made to impinge on the inner wall of the dissolved air chamber 14, thereby being beneficial to increasing the gas dissolution amount, generating more microbubbles, and enhancing the cleaning and decontaminating ability.

It should be noted that, the case where the flow area of the pressurizing section 162 is equal to the flow area of the water inlet section 161 means that: when the joint between the pressurizing section 162 and the water inlet section 161 has a common cross section, there is a case where the flow areas of the pressurizing section 162 and the water inlet section 161 at the common cross section are the same, and at this time, the flow area of the pressurizing section 162 and the flow area of the water inlet section 161 are both flow areas at the common cross section position thereof, for example, the flow area of the pressurizing section 162 is constant along the extending direction thereof and the flow area of the water inlet section 161 gradually decreases in the direction from the water inlet section 161 to the pressurizing section 162.

Alternatively, referring to fig. 8-10, the cross-section of the pressing section 162 is elongated, e.g., the cross-section of the pressing section 162 may be elongated rectangular. Thus, by setting the cross section of the pressurizing section 162 to be long, on the one hand, the pressurizing accelerating effect of the water flow can be achieved, and the structure of the pressurizing section 162 can be made simple. Wherein the width direction of the cross section of the pressurizing section 162 may be substantially parallel to the central axis direction of the showerhead 1, which may allow the water jet ejected from the outlet 1621 to impinge on the inner wall of a larger area within the dissolved air chamber 14, further contributing to an increased amount of dissolved gas.

Wherein the width of the cross section of the pressing section 162 is not greater than 2.5mm. Thus, the width of the pressurizing section 162 is made smaller, the pressurizing section 162 has a better effect of squeezing the water flow, and the water flow ejected from the outlet 1621 has a better effect of impacting the inner wall in the dissolution chamber 14, thereby more effectively increasing the gas dissolution amount of the water flow in the dissolution chamber 14.

Wherein the length of the cross section of the pressing section 162 ranges from 8-13mm, for example the length of the cross section of the pressing section 162 may be 10mm. Thus, the pressurizing effect of the pressurizing section 162 can be ensured, the range of water flow ejected from the outlet 1621 can be larger, the water flow can collide with the inner wall of the dissolving cavity 14 with a larger area, and the gas dissolving amount can be further increased.

Alternatively, referring to fig. 8-10, the water inlet section 161 is circular in cross-section. Therefore, the flow loss of the water flow in the water inlet section 161 can be further reduced, so that the water flow in the water inlet section 161 can be smoother.

In some alternative embodiments of the present invention, referring to fig. 8-10, a spray device 100 includes: the pressurizing plate 3, the pressurizing plate 3 is arranged in the accommodating cavity, and the pressurizing plate 3 and the spray header 1 jointly define a water inlet channel 16. Therefore, the water inlet channel 16 can be conveniently formed through the arranged pressurizing plate 3, and the size, shape, structure and the like of the water inlet channel 16 can be changed by changing the size, shape, structure and the like of the pressurizing plate 3, so that the pressurizing plates 3 with different specifications are adopted under the condition that the specifications of the spray header 1 are the same, the water inlet channels 16 with different pressurizing effects are realized, materials are saved, and cost is reduced.

Wherein, pressurization board 3 can be connected with shower head 1 hot melt, makes things convenient for pressurization board 3 installation to fix in the holding intracavity of shower head 1 to can guarantee joint strength and the leakproofness of connection. The pressurizing plate 3 and the spray header 1 can also be connected in a clamping way, a fastening way, an adhesive way and the like.

In some embodiments of the present invention, referring to fig. 8 to 10, the pressurizing plate 3 includes: the connecting part 31 and the pressurizing part 32 are connected, an included angle is formed between the connecting part 31 and the pressurizing part 32, the pressurizing part 32 and the inner wall of the accommodating cavity define a pressurizing section 162, one end, far away from the pressurizing part 32, of the connecting part 31 is provided with a first positioning protrusion 311, the inner wall of the accommodating cavity is provided with a second positioning protrusion 1114, the first positioning protrusion 311 is positioned on one side, close to the water outlet, of the second positioning protrusion 1114, and the first positioning protrusion 311 is connected with the second positioning protrusion 1114. Thus, by providing the pressurizing plate 3 in two parts of the connecting portion 31 and the pressurizing portion 32, not only the connection and fixation of the pressurizing plate 3 and the shower head 1 but also the formation of the pressurizing stage 162 are facilitated. And, through setting up the first location protruding 311 on connecting portion 31 and setting up the second location protruding 1114 on holding the inner wall in chamber, when installing pressurization board 3 in shower head 1, through the cooperation of the first location protruding 311 on the pressurization board 3 and the second location protruding 1114 on shower head 1, can carry out preliminary installation location to pressurization board 3, then through welded connection, fastener mode such as being connected with pressurization board 3 is connected and is fixed in holding the intracavity again.

In other embodiments of the present invention, the water outlet end of the water inlet channel 16 is capped with a water outlet plate, and the outlet 1621 is formed on the water outlet plate, so that the flow area of the water inlet channel 16 is constant in the extending direction of the water inlet channel 16. This arrangement also allows for greater pressure and velocity of the water stream exiting the outlet 1621 and for a simple construction of the inlet channel 16. Wherein, the outlet 1621 may be a port formed on the water outlet plate, and the outlet 1621 may also include a plurality of water outlet holes formed on the water outlet plate.

According to some embodiments of the present invention, the wall of the dissolution chamber 14 is formed with an air inlet 1111 adapted to communicate the dissolution chamber 14 with the external environment. In the using process of the spraying device 100, the air quantity in the dissolved air cavity 14 is continuously reduced, and the air supplementing of the dissolved air cavity 14 can be conveniently performed by arranging the air inlet 1111 on the wall of the dissolved air cavity 14, so that the endurance of generating micro bubbles is ensured.

Alternatively, the air inlet hole 1111 and the water outlet may be located on two opposite side walls of the accommodating cavity, and when the water inlet channel 16 is formed in the accommodating cavity, the air inlet hole 1111 may be adjacent to the outlet 1621 of the water inlet channel 16, so that the air inlet hole 1111, the water outlet, and the outlet 1621 of the water inlet channel 16 are arranged reasonably and in a compact structure.

In some embodiments of the present invention, referring to fig. 3 and 10, the air inlet 1111 may have an open state and a closed state, and the air inlet 1111 may be in the closed state when the spraying device 100 sprays, thereby enabling the whole of the dissolved air chamber 14 to be in a better closed state when the spraying device 100 sprays, so that the dissolved air chamber 14 is maintained and has a higher pressure, which is beneficial to ensuring that the pressure difference between two ends of the cavitation channel 221 of the cavitation element 2 is larger, so as to ensure the cavitation effect of the cavitation element 2, and further to ensure the effect of generating a large amount of micro bubble water. When air supplementing is needed, the spraying device 100 can not spray, no water enters the air dissolving cavity 14, the air inlet 1111 is in an open state, external air enters the air dissolving cavity 14 from the air inlet 1111, and residual water in the air dissolving cavity 14 can be discharged from the cavitation channel 221 of the cavitation member 2 under the action of atmospheric pressure, so that sufficient air can be supplemented into the air dissolving cavity 14 for subsequent continuous use. The air-supplementing operation can be performed on the air-dissolving cavity 14 before washing, or the air-supplementing operation can be performed on the air-dissolving cavity 14 in the washing process.

Here, a valve structure may be provided at the intake hole 1111 to open and close the intake hole 1111, for example, an intake valve 5 or a ventilation valve may be provided at the intake hole 1111, and a specific explanation will be given below taking the intake valve 5 provided at the intake hole 1111 as an example.

In some embodiments of the present invention, referring to fig. 3, 10 and 11, an intake valve 5 for opening and closing the intake hole 1111 is provided at the intake hole 1111, and the intake valve 5 is movably provided at the intake hole 1111. The opening and closing of the intake holes 1111 can be conveniently achieved by the movement of the intake valve 5. The movement of the air inlet valve 5 can be realized by manual pressing, and the movement of the air inlet valve 5 can also be realized by driving the air inlet valve 5 through a driving mechanism.

The intake valve 5 may be movably disposed at the intake hole 1111 along the axial direction of the intake hole 1111, and the intake valve 5 may be moved along the axial direction of the intake hole 1111 to conveniently open and close the intake hole 1111, so that the movement mode of the intake valve 5 is simple.

In some alternative embodiments of the present invention, the intake valve 5 includes: the spool 51 and the valve plate 52 are provided so that the spool 51 is movably disposed at the intake hole 1111 in the axial direction of the intake hole 1111, an intake passage 1112 is defined between the spool 51 and the inner wall of the intake hole 1111, the intake passage 1112 has a communication port 1113 communicating with the dissolution chamber 14, the valve plate 52 is provided on the outer peripheral side of the spool 51, the intake valve 5 closes the intake hole 1111 when the valve plate 52 closes the communication port 1113, and the intake valve 5 opens the intake hole 1111 when the valve plate 52 opens the communication port 1113. By the movement of the spool 51, the movement of the spool 51 may be achieved by, for example, manually pressing the spool 51, and the movement of the valve plate 52 may be brought about, thereby opening and closing the communication port 1113 of the intake passage 1112 by the movement of the valve plate 52. When the valve plate 52 closes the communication port 1113 of the intake passage 1112, outside air cannot enter the dissolution chamber 14 through the intake passage 1112; when the communication port 1113 is opened by the valve plate 52, external ventilation sequentially flows through the air intake passage 1112 and enters the dissolved air chamber 14 through the communication port 1113, thereby achieving air supply to the dissolved air chamber 14. The structural design of the air inlet valve 5 is simple and convenient to operate.

In other alternative embodiments of the present invention, referring to fig. 3, 10 and 11, the intake valve 5 includes: the valve column 51 and the valve plate 52 are provided with the guide hole 171 on the wall of the dissolving cavity 14, the air inlet 1111 is located on the outer periphery side of the guide hole 171, the guide structure 17 is defined between the air inlet 1111 and the guide hole 171, the valve column 51 movably penetrates through the guide hole 171, the valve column 51 is in clearance fit with the guide hole 171, the valve column 51 can move, external air can not enter the dissolving cavity 14 basically through the clearance between the valve column 51 and the inner wall of the guide hole 171, in addition, the guide structure 17 can play a role in guiding the movement of the valve column 51, and the guide structure 17 has a certain supporting role on the valve column 51. The number of the air intake holes 1111 may be one, or the number of the air intake holes 1111 may be plural, and when the number of the air intake holes 1111 is plural, the plurality of air intake holes 1111 are arranged at intervals along the circumferential direction of the guide hole 171. The air intake holes 1111 may be formed in a circular shape, an elliptical shape, a polygonal shape, etc., and the air intake holes 1111 may be formed in an arc shape extending in the circumferential direction of the guide holes 171.

The intake hole 1111 defines therein an intake passage 1112, and the intake passage 1112 has a communication port 1113 communicating with the dissolution chamber 14. The valve plate 52 is provided on the outer peripheral side of the spool 51, and the intake valve 5 closes the intake hole 1111 when the valve plate 52 closes the communication port 1113, and opens the intake hole 1111 when the valve plate 52 opens the communication port 1113. By the movement of the spool 51, the movement of the spool 51 may be achieved by, for example, manually pressing the spool 51, and the movement of the valve plate 52 may be brought about, thereby opening and closing the communication port 1113 of the intake passage 1112 by the movement of the valve plate 52. When the valve plate 52 closes the communication port 1113 of the intake passage 1112, outside air cannot enter the dissolution chamber 14 through the intake passage 1112; when the communication port 1113 is opened by the valve plate 52, external ventilation sequentially flows through the air intake passage 1112 and enters the dissolved air chamber 14 through the communication port 1113, thereby achieving air supply to the dissolved air chamber 14. The structural design of the air inlet valve 5 is simple and convenient to operate.

Alternatively, referring to fig. 3, 10 and 11, the valve plate 52 may be located on a side of the intake hole 1111 adjacent to the dissolution air chamber 14, with the valve plate 52 abutting directly or indirectly against the inner wall of the dissolution air chamber 14 when the valve plate 52 closes the communication port 1113. Thus, by disposing the valve plate 52 on the side of the intake hole 1111 adjacent to the dissolution air chamber 14 such that the valve plate 52 is located within the dissolution air chamber 14, the valve closing communication port 1113 can be conveniently achieved by direct or indirect abutment of the valve plate 52 with the inner wall of the dissolution air chamber 14, and closing is reliable.

Further, referring to fig. 11, a gasket 53 may be provided between the valve plate 52 and the inner wall of the dissolution chamber 14, and the gasket 53 abuts against the inner wall of the dissolution chamber 14 when the valve plate 52 closes the communication port 1113. By providing the gasket 53 between the valve plate 52 and the inner wall of the dissolution chamber 14, the tightness of the valve plate 52 to close the communication port 1113 can be further ensured, thereby ensuring good tightness of the dissolution chamber 14 when the intake hole 1111 is in the closed state.

The sealing gasket 53 may be sleeved on the valve stem 51, and the sealing gasket 53 is connected or abutted with the valve plate 52. Through establishing sealed pad 53 cover on spool 51, make things convenient for sealed pad 53 to install and fix on admission valve 5, sealed pad 53 links to each other or the butt with valve plate 52 simultaneously, when valve plate 52 closes communication port 1113, valve plate 52 can compress tightly sealed pad 53 for sealed pad 53 closely laminates on the inner wall of dissolving air cavity 14, guarantees good leakproofness.

For example, in some embodiments of the present invention, referring to fig. 11, a positioning groove 511 is formed in a portion of the spool 51 adjacent to the valve plate 52, the gasket 53 includes a sealing portion 531 and a positioning portion 532 that are connected, the positioning portion 532 is accommodated in the positioning groove 511, and the sealing portion 531 abuts against an inner wall of the dissolution chamber 14 when the valve plate 52 closes the communication port 1113. Thus, by providing the gasket 53 to include the sealing portion 531 and the positioning portion 532, and by providing the positioning groove 511 that engages with the positioning portion 532 on the spool 51, when the gasket 53 is fitted around the spool 51, the gasket 53 can be easily and reliably attached to the intake valve 5 by the positioning portion 532 of the gasket 53 being accommodated and engaged in the positioning groove 511 of the spool 51.

Alternatively, referring to fig. 11, the thickness d2 of the positioning portion 532 may be greater than the thickness d1 of the sealing portion 531, and both the thickness of the positioning portion 532 and the thickness of the sealing portion 531 refer to dimensions in the axial direction of the spool 51. By setting the thickness of the positioning portion 532 larger, the fitting area of the gasket 53 and the spool 51 can be increased, and the reliability of the connection of the gasket 53 and the spool 51 can be further improved.

In some alternative embodiments of the present invention, referring to fig. 3, 10 and 11, the shower apparatus 100 includes an elastic member 54 for resetting the air inlet valve 5, one end of the elastic member 54 is connected to the air inlet valve 5, the other end of the elastic member 54 is connected to the shower head 1, the elastic member 54 is elastically deformable in the axial direction of the air inlet hole 1111, the elastic member 54 has an elastic force to close the air inlet hole 1111 on the air inlet valve 5, and the elastic member 54 may be a spring. The resetting of the inlet valve 5 can be conveniently achieved by the provision of the elastic member 54. For example, when the air inlet valve 5 is not subjected to external force, the elastic force of the elastic piece 54 on the air inlet valve 5 enables the air inlet valve 5 to close the air inlet hole 1111, when air supplementing is needed, the air inlet valve 5 can be moved along the axial direction of the air inlet hole 1111 to open the air inlet hole 1111, external air enters the air dissolving cavity 14 through the air inlet hole 1111, after air supplementing is finished, the air inlet valve 5 is released, the air inlet valve 5 is reset under the elastic force of the elastic piece 54, and the air inlet valve 5 closes the air inlet hole 1111.

Further, referring to fig. 3, 10 and 11, the shower apparatus 100 includes: the fixed support 55, fixed support 55 are established in the dissolved air cavity 14 and fixed support 55 links to each other with shower head 1, and the other end of elastic component 54 links to each other with fixed support 55. The elastic member 54 can be conveniently connected with the shower head 1 by the fixing bracket 55. The fixing bracket 55 may be adhesively fixed to the showerhead 1, or the fixing bracket 55 may be welded (e.g., hot plate welded) to the showerhead 1. In addition, when the water inlet channel 16 is provided in the accommodating cavity and the outlet 1621 of the water inlet channel 16 is adjacent to the air inlet hole, the fixing bracket 55 is adjacent to the outlet 1621 of the water inlet channel 16, and when water is sprayed into the dissolving cavity 14 through the outlet, a part of the water flow can directly hit the fixing bracket 55, so that the water flow hits and spreads more, and the water flow is more favorable for dissolving more air.

For example, in some embodiments of the present invention, referring to fig. 11, the fixing bracket 55 includes a bracket body 551 and a positioning protrusion 552 provided on the bracket body 551. The intake valve 5 includes the spool 51 and the valve plate 52 described above, and the wall of the dissolution chamber 14 is formed with the guide hole 171, the intake hole 1111 is located on the outer peripheral side of the guide hole 171, and the guide structure 17 is defined between the intake hole 1111 and the guide hole 171. The valve column 51 is movably arranged in the guide hole 171 in a penetrating manner, the valve column 51 is in clearance fit with the guide hole 171, so that the valve column 51 can move and external air can not enter the dissolving cavity 14 basically through a clearance between the valve column 51 and the inner wall of the guide hole 171, in addition, the guide structure 17 can play a role in guiding the movement of the valve column 51, and the guide structure 17 also has a certain supporting effect on the valve column 51. The number of the air intake holes 1111 may be one, or the number of the air intake holes 1111 may be plural, and when the number of the air intake holes 1111 is plural, the plurality of air intake holes 1111 are arranged at intervals along the circumferential direction of the guide hole 171.

An air inlet channel 1112 is defined in the air inlet hole 1111, the air inlet channel 1112 is provided with a communication port 1113 communicated with the dissolved air cavity 14, the valve plate 52 is arranged on the outer periphery side of the valve column 51, the air inlet valve 5 closes the air inlet hole 1111 when the valve plate 52 closes the communication port 1113, the air inlet valve 5 opens the air inlet hole 1111 when the valve plate 52 opens the communication port 1113, one end of the elastic piece 54 is sleeved on the valve column 51 and is connected or abutted with the valve plate 52, and the other end of the elastic piece 54 is sleeved on the positioning lug 552 and is connected or abutted with the bracket body 551. One end of the elastic piece 54 is sleeved on the valve column 51 and is connected or abutted with the valve plate 52, and the other end of the elastic piece 54 is sleeved on the positioning protruding block 552 and is connected or abutted with the support body 551, so that the elastic piece 54 is conveniently limited in the axial direction of the air inlet hole 1111, and the elastic piece 54 and the air inlet valve 5 are conveniently installed and fixed.

When the spraying device 100 includes the air inlet valve 5, the sealing gasket 53, the elastic member 54 and the fixing support 55, the sealing gasket 53 may be first sleeved on the valve post 51 of the air inlet valve 5, then the air inlet valve 5 is installed on the spraying head 1, then the elastic member 54 is installed, and then the fixing support 55 is installed, so that the elastic member 54 is in a pre-pressed state, and the valve plate 52 of the air inlet valve 5 and the sealing gasket 53 provided on the valve plate 52 can cover the communication opening 1113 of the air inlet channel 1112 when the air inlet valve 5 is not subjected to external force.

According to some embodiments of the present invention, referring to fig. 1-3 and 19-26, the spray device 100 includes a spray header 1 and a handle 6 connected, and the handle 6 may be held by hand or positioned on a wall or the like to secure the spray device 100 when the spray device 100 is in use, facilitating use of the spray device 100. The handle 6 comprises a handle body 61 and a handle shell 62, wherein a water outlet channel 610 is defined in the handle body 61, one end of the handle body 61 is connected with the spray header 1, the water outlet channel 610 is communicated with a water inlet 1611, water can enter the dissolved air cavity 14 of the spray header 1 through the water outlet channel 610 and the water inlet 1611, and the handle shell 62 is sleeved on the outer peripheral side of the handle body 61. When the shower head 1 is provided with the water inlet channel 16, the water flow channel 610 in the handle 6 is communicated with the dissolving cavity 14 through the water inlet channel 16, the handle 6 can be connected with a water pipe (such as a hose), and water can sequentially enter the dissolving cavity 14 through the water flow channel 610 and the water inlet channel 16.

Through setting the handle 6 to including handle shell 62 and handle body 61 two parts, can improve the overall structure intensity of handle 6, satisfy spray set 100's high pressure requirement to can make handle body 61 and handle shell 62 adopt the same or different materials to make the structure and the material selection of handle 6 more nimble as required. For example, in the case where the handle body 61 is made of the same material, the material of the handle housing 62 may be changed so that the handle 6 has different appearance effects, and material saving can be achieved. For example, the handle body 61 may be a metal piece, and the handle housing 62 may be a plastic piece or a metal piece.

Alternatively, the handle body 61 is snapped or glued to the handle housing 62. Thereby, the handle body 61 and the handle housing 62 can be easily connected and reliably connected.

For example, referring to fig. 3 and 19 to 26, the flanges 621 extending toward the center of the handle housing 62 are formed at both ends of the handle housing 62, the handle housing 62 may be a sheet metal member, the flanges 621 of the handle housing 62 are pressed against the handle body 61, the first step surface 6132 and the second step surface 6141 may be formed at both axial ends of the handle body 61, and the flanges 621 of both axial ends of the handle housing 62 may abut against the first step surface 6132 and the second step surface 6141, respectively, so that reliable connection between the handle housing 62 and the handle body 61 may be achieved.

In some embodiments of the present invention, referring to fig. 19 and 20, a reinforcing structure is formed on the handle body 61. Thereby, the structural strength of the handle body 61 can be improved, thereby further improving the overall structural strength of the handle 6 and meeting the high pressure requirement of the spray device 100.

Alternatively, referring to fig. 19 and 20, a reinforcing structure is formed on the outer circumferential wall of the handle body 61, the reinforcing structure including first reinforcing ribs 611 extending in the circumferential direction of the handle body 61, the first reinforcing ribs 611 may be in a ring shape, and the first reinforcing ribs 611 are a plurality of arranged at intervals in the length direction of the handle body 61. Through arranging the first reinforcing ribs 611 on the handle body 61 along the length direction thereof, the structural strength of the handle body 61 along the whole length direction thereof can be higher, so that the structural strength of each part of the handle body 61 is higher and the overall structural strength is higher, thereby better meeting the high-pressure requirement of the spray device 100.

Further, referring to fig. 19 and 20, the reinforcement structure includes a second reinforcement rib 612 extending in the length direction of the handle body 61, at least one of the second reinforcement ribs 612, the first reinforcement rib 611 intersecting and connected with the second reinforcement rib 612, and the second reinforcement rib 612 may extend from one end in the length direction of the handle body 61 to the other end in the length direction of the handle body 61. Wherein, when the second reinforcing ribs 612 are plural, the second reinforcing ribs 612 may be arranged at intervals along the circumferential direction of the handle body 61. Therefore, the first reinforcing ribs 611 and the second reinforcing ribs 612 are reinforced along different directions, so that the handle body 61 is fully distributed with the reinforcing structure, the structural strength of the handle body 61 is better improved, and the high-pressure requirement of the spraying device 100 is better met.

In some embodiments of the present invention, referring to fig. 3 and 22, the cross-sectional area of the water flow channel 610 is constant or the cross-sectional area of the water flow channel 610 is gradually reduced in the extending direction of the water flow channel 610. Therefore, the water flow channel 610 has no back-off structure, and the handle body 61 can be smoothly ejected.

According to some embodiments of the present invention, referring to fig. 1-3 and 19-26, a spray device 100 includes a spray header 1 and a handle 6, wherein a water outlet channel 610 is defined in the handle 6, one end of the handle 6 is connected to the spray header 1, the water outlet channel 610 is communicated with a water inlet 1611, water can enter a solution cavity 14 of the spray header 1 through the water outlet channel 610 and the water inlet 1611, and a quick connector 613 is provided at the other end of the handle 6. When using spray set 100, can link to each other the other end of handle 6 with the water pipe, have on the water pipe with handle 6's quick-operation joint 613 matched with water pipe, through setting up handle 6's the other end to quick-operation joint 613's structure, can conveniently realize spray set 100's handle 6 and quick installation, dismantlement of water pipe, can realize through quick plug operation, convenient and fast. For example, when the spray device 100 needs to be cleaned or the air dissolving cavity 14 needs to be quickly supplemented or ventilated, the handle 6 can be detached from the water pipe, so that the spray device 100 can be detached, the spray device 100 is convenient to clean or the air dissolving cavity 14 needs to be supplemented or ventilated, and when the spray device 100 is used, the quick connector 613 of the handle 6 can be connected with the water pipe.

In some alternative embodiments of the present invention, referring to fig. 20 and 22, a snap groove 6131 is formed on the quick connector 613, a water pipe adapted to be connected to the handle 6 has a water pipe connector which is cooperatively connected to the quick connector 613, and the water pipe connector has a snap groove which is cooperatively connected to the snap groove 6131, and the snap groove is an elastic snap groove or a snap groove which is movable in a radial direction of the water pipe connector. Therefore, the quick connector 613 and the water pipe connector can be quickly connected and fixed through the matching of the buckle on the water pipe connector and the clamping groove 6131 on the quick connector 613, so that the handle 6 and the water pipe can be quickly connected. When the buckle is an elastic buckle, the elasticity of the buckle is utilized to enable the buckle to be in interference fit in the clamping groove 6131, so that the buckle is prevented from falling out of the clamping groove 6131; when the clasp is movable in the radial direction of the water pipe joint, the clasp can be accommodated in the clasp groove 6131 by pressing the clasp, and can be positioned in the clasp groove 6131 by locking by a locking member.

Further, referring to fig. 20 and 22, the catching groove 6131 extends in a ring shape along the circumferential direction of the quick coupler 613. Thus, the fitting area between the clip and the clip groove 6131 can be increased, and the reliability of the connection between the handle 6 and the water pipe can be improved.

In some alternative embodiments of the present invention, referring to fig. 1-3 and 19-26, the handle 6 includes the handle body 61 and the handle housing 62, the handle body 61 defines the water outlet channel 610 therein, one end of the handle body 61 is connected to the shower head 1, the water outlet channel 610 is connected to the water inlet 1611, water can enter the solution chamber 14 of the shower head 1 through the water outlet channel 610 and the water inlet 1611, the other end of the handle body 61 has the quick connector 613, and the handle housing 62 is sleeved on the outer peripheral side of the handle body 61. Through setting the handle 6 to including handle shell 62 and handle body 61 two parts, can improve the overall structure intensity of handle 6, satisfy spray set 100's high pressure requirement to can make handle body 61 and handle shell 62 adopt the same or different materials to make as required, make the structure and the material selection of handle 6 more nimble, also make handle 6 can have different outward appearance effects.

Further, the handle body 61 is an integrally formed part, and the quick connector 613 and the handle body 61 are integrally formed, so that the structure of the handle 6 can be simplified, and meanwhile, the processing and assembling procedures of the handle 6 can be simplified.

For example, in the examples of fig. 3, 10, and 19 to 22, the handle 6 includes the handle body 61 and the handle housing 62 described above, and the two ends of the handle housing 62 are respectively formed with flanges 621 extending toward the center direction of the handle housing 62, and the handle housing 62 may be a sheet metal member, and the flanges 621 of the handle housing 62 are press-fitted on the handle body 61. One end of the handle body 61 is provided with a threaded joint 614, the other end of the handle body 61 is provided with the quick joint 613, and both axial ends of the handle body 61 can be respectively formed with a first step surface 6132 and a second step surface 6141, wherein the first step surface 6132 is adjacent to the quick joint 613, and the second step surface 6141 is adjacent to the threaded joint 614. The flanges 621 at the both axial ends of the handle housing 62 can abut against the first step surface 6132 and the second step surface 6141, respectively, so that reliable connection between the handle housing 62 and the handle body 61 can be achieved.

One end of the handle body 61 is in threaded connection with the spray header shell 111 of the spray header 1 through the threaded connector 614, and the threaded connector 614 of the handle body 61 is in threaded fit in the water inlet channel 16 of the spray header 1, so that the water flow channel 610 is communicated with the water inlet channel 16, the handle 6 is in threaded connection with the spray header 1 through the handle body 61, quick and reliable connection of the handle 6 and the spray header 1 can be realized, and the handle 6 and the spray header 1 are convenient to assemble and disassemble. Wherein, the sealing ring 7 is arranged between the end part of the threaded joint 614 of the handle 6 and the spray header 1, so that the joint between the handle 6 and the spray header 1 is sealed reliably.

In alternative embodiments of the present invention, the handle 6 may be an integral part, and the quick connector 613 may be integrally formed with the handle 6 itself, which may simplify the structure of the handle 6, and may simplify the processing and assembly steps of the handle 6.

An embodiment of a washing system according to the third aspect of the present invention includes: according to the spray device 100 of the above-described second aspect of the present invention, the washing system may be a shower system, a dishwasher, a washing machine, a steam mop, a fruit and vegetable washer, or the like.

According to the washing system provided by the embodiment of the invention, the spraying device 100 is arranged, so that the washing system has strong cleaning capability and decontamination capability, for example, strong skin cleaning capability. In addition, the cavitation piece 2 in the spraying device 100 has a simple structure and is convenient to install and fix.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A spray device, comprising:

the spray head is internally provided with a containing cavity, and is provided with a water inlet and a water outlet which are communicated with the containing cavity;

The cavitation piece is arranged in the accommodating cavity and is positioned between the water inlet and the water outlet, the cavitation piece is used for forming micro-bubble water from water flow dissolved with air, the cavitation piece comprises a mounting plate and a cavitation column arranged on the mounting plate, a cavitation channel through which the water flow can pass is formed on the cavitation column, the cavitation channel is a venturi channel, a solution cavity communicated with the water inlet is defined between the cavitation piece and the spray header, an air inlet hole which is suitable for communicating the solution cavity with the external environment is formed on the wall of the solution cavity, the air inlet hole is in an open state and a closed state, the air inlet hole is in the closed state when the spray device sprays, the solution cavity is positioned on one side of the cavitation piece adjacent to the water inlet, the cavitation channel is communicated with the solution cavity and the water outlet, the cavitation column extends into the solution cavity, and the mounting plate is adjacent to the water outlet;

the pressurizing plate is arranged in the accommodating cavity, the pressurizing plate and the spray header jointly define a water inlet channel, the water inlet channel forms the water inlet and the outlet, the dissolving cavity is positioned between the outlet and the water outlet, and the outlet is communicated with the water inlet channel and the dissolving cavity; wherein the flow area of the outlet is smaller than the flow area of the water inlet.

2. The spray device of claim 1 wherein the total number of cavitation channels is 7-12.

3. The spray device of claim 1, wherein there are a plurality of said cavitation columns, each of said cavitation columns having a plurality of said cavitation channels formed thereon.

4. The spray device of claim 1 wherein at least one of said cavitation columns is disposed adjacent a bottom of said mounting plate.

5. The spray device of claim 1, wherein said cavitation element is an integral piece.

6. The spray device of any one of claims 1-5, wherein a plurality of radially extending first ribs are formed on the mounting plate, the plurality of first ribs being spaced apart along the circumference of the mounting plate, and the cavitation column is located between two adjacent first ribs.

7. The spray assembly of claim 6 wherein said mounting plate defines at least one second rib extending circumferentially of said mounting plate, at least one of said first ribs being connected to said second rib.

8. A washing system, comprising: the spray device of any one of claims 1-7.