CN212995087U

CN212995087U - Liquid supply waterway for hair washing machine

Info

Publication number: CN212995087U
Application number: CN202021186319.5U
Authority: CN
Inventors: 黄�良
Original assignee: 黄�良
Current assignee: Guangzhou Qianliang Technology Co.,Ltd.
Priority date: 2019-12-12
Filing date: 2020-06-22
Publication date: 2021-04-20
Anticipated expiration: 2030-06-22
Also published as: CN213405172U; CN214432473U

Abstract

The utility model relates to the technical field of hair washing machines, in particular to a liquid supply waterway for a hair washing machine, which comprises a main water inlet pipe (10), a main water outlet pipe (11), a first valve body (12), a second valve body (13), a first hair washing liquid source (14) and a first pump body (16); a first branch (19) and a second branch (20) are connected to the main water inlet pipe (10) in parallel, the tail end of the first branch (19) is connected with the main water outlet pipe (11), the first valve body (12) is arranged on the first branch (19), the input end of the first pump body (16) is connected with the first shampoo liquid source (14) through a pipeline, and the output end of the first pump body (16) is connected with the first branch (19) through a pipeline; the tail end of the second branch (20) is connected with the main water outlet pipe (11), and the second valve body (13) is arranged on the second branch (20). The liquid supply waterway can realize the liquid supply of the shampoo and the liquid supply of the clear water.

Description

Liquid supply waterway for hair washing machine

Technical Field

The utility model relates to a shampoo machine technical field, what specifically say is a supply liquid water route for shampoo machine.

Background

Generally, in some hairdressing places, the customer still is manually washed, when the number of customers is relatively large and the number of hands is insufficient, the customer is washed manually, the working efficiency is relatively low, and in addition, the proficiency degree of washing hair of different people is different, so that the experience of the customer is different.

In addition, at present, the labor cost is high, a manual mode of washing hair of a customer is adopted, and the industry running cost is high.

Therefore, it is desirable to design a hair washing machine that can automatically wash the hair of a user. When the hair washing machine works, hair washing liquid needs to be sprayed to the head of a user for washing hair or washing a head sleeve of the hair washing machine, so that a liquid supply system of the hair washing machine needs to be designed, and the scheme is obtained.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of above-mentioned technical problem at least.

The utility model aims to solve the technical problem that at least, a supply liquid water route for hair washing machine is provided, and this supply liquid water route can realize the confession liquid of hair washing liquid, the confession liquid of clear water.

In order to solve the technical problem, the utility model discloses a liquid supply water path for a hair washing machine, which comprises a main water inlet pipe, a main water outlet pipe, a first valve body, a second valve body, a first shampoo liquid source and a first pump body; the main water inlet pipe is connected with a first branch and a second branch in parallel, the tail end of the first branch is connected with a main water outlet pipe, the first valve body is arranged on the first branch, the input end of the first pump body is connected with a first shampoo liquid source through a pipeline, and the output end of the first pump body is connected with the first branch through a pipeline; the tail end of the second branch is connected with the main water outlet pipe, and the second valve body is arranged on the second branch. The tail end of the first branch and the tail end of the second branch are converged to a main water outlet pipe.

After adopting above-mentioned structure, have at least following advantage: the first valve body and the second valve body can respectively control the circulation or the cutting off of the first branch and the second branch, liquid of the first branch and the second branch is conveyed to the total outlet pipe, the total outlet pipe is connected with a liquid spraying pipe of the head sleeve, liquid can be supplied to the head sleeve, and the head sleeve can spray liquid to wash the head or clean a head washing cavity.

2. The liquid pressure of the first branch and the second branch are different, the liquid pressure of the liquid supplied by switching the first valve body and the second valve body can be controlled, for example, the liquid pressure of the first liquid inlet pipeline is smaller than that of the second liquid inlet pipeline, when liquid supply with lower pressure is needed, the second valve body can be closed, the first valve body is opened, and vice versa.

3. The first pump body can carry the first shampoo of first shampoo liquid source to first branch road and the liquid of first branch road mixes, has formed the mixed liquid that contains first shampoo afterwards, later carries to total outlet pipe and carries the headgear, at this moment, realizes carrying the function of first shampoo to the headgear. That is, the structure of this application has not only realized the original function that supplies liquid to the headgear, has also realized carrying the function of first shampoo to the headgear. When carrying first shampoo to the headgear, that is first pump body during operation, the lower liquid inlet pipeline of the preferred selection liquid pressure of this application supplies liquid, and like this, first pump body can be effectively take first shampoo out and carry first branch road.

The liquid supply waterway also comprises a second shampoo liquid source and a second pump body; the input end of the second pump body is connected with the second shampoo liquid source through a pipeline, and the output end of the second pump body is connected with the first branch through a pipeline. The second pump body can carry the second shampoo of second shampoo liquid source to mix with the liquid in the first branch road after first branch road, has formed the mixed liquid that includes second shampoo, later carries to carry the headgear after total outlet pipe, at this moment, realizes carrying the function of second shampoo to the headgear. That is, the structure of this application has not only realized the function that original liquid supplied liquid to the headgear, has also realized carrying the function of second shampoo to the headgear. After combining the structure of first pump body and first shampoo liquid source, the liquid supply system of this application can be the original liquid of selective confession, or first shampoo, or second shampoo, or the combination of first shampoo and second shampoo. The first shampoo liquid source may be a container containing shampoo liquid, and the second shampoo liquid source may be a container containing hair care essential oil. The first shampoo is shampoo, and the second shampoo is hair care essential oil.

The liquid supply waterway also comprises an ozone generator, and the output end of the ozone generator is connected with the second branch through a pipeline. Ozone generated by the ozone generator enters the infusion tube to form ozone disinfection water which can be used for washing hair of a user or disinfecting a head cover. The first valve body and the second valve body are electromagnetic valves, and the first valve body and the second valve body are electrically connected with an electric control system of the hair washing machine. The first pump body, the second pump body, the third pump body and the ozone generator are also all electrically connected with and controlled by an electric control system of the hair washing machine. The first valve body and the second valve body are controlled by an electric control system.

The total outlet pipe is provided with a first branch and a second branch, the first branch is connected with a head sleeve total water outlet of the hair washing machine, the second branch is connected with a head sleeve back head spoon water outlet of the hair washing machine, the first branch is provided with a third valve body, and the second branch is provided with a fourth valve body. The head cover of the hair washing machine comprises a main water outlet and a back-head water outlet. The main water outlet pipe is divided into two paths which are respectively controlled by the third valve body and the fourth valve body, so that liquid can be selectively conveyed, namely the first branch conveying or the second branch conveying or the first branch and the second branch conveying are selected. The third valve body and the fourth valve body are electromagnetic valves, and the third valve body and the fourth valve body are electrically connected with an electric control system of the hair washing machine. The third valve body and the fourth valve body are controlled by an electric control system.

And a pressure reducing structure is arranged on the first branch and is positioned at the upstream of the connection point of the first pump body and the first branch. The pressure reducing structure is used for reducing the pressure of the liquid in the first branch.

The pressure reducing structure comprises a pressure reducing piece arranged on the first valve body, a through hole is formed in the pressure reducing piece, and the first valve body is located on the upstream of a connection point of the first pump body and the first branch line. The pressure reducing piece can be arranged at the liquid outlet end of the first valve body or at the liquid inlet end. In this way, the presence of the pressure relief member may control the flow of water into the first branch, and thus the ratio of the first and second shampoo amounts to the first branch. In addition, after the pressure reducing piece, the liquid pressure in the first branch is reduced, otherwise, the pressure in the first branch is higher, and the first shampoo or the second shampoo is difficult to pump out and convey into the first branch.

The liquid water route still includes precious and the first storage water tank of constant temperature, precious play water end of constant temperature through first pipeline with the end connection of intaking of first storage water tank, precious cold water of constant temperature is intake and is held through the second pipeline and be connected with cold water source, precious hot water of constant temperature is intake and is held through the third pipeline and be connected with hot water source, the play water end of first storage water tank pass through the fourth pipeline with total water piping connection. Like this, even the first share of water that constant temperature precious just begins the during operation play is the water or cold water of comparison scald, owing to be equipped with first storage water tank between waterway regulation system and constant temperature precious, first share of water need stop at first storage water tank before entering into waterway regulation system, and flow to the water mixture of first storage water tank with the back, the water that flows to first storage water tank at the back is normal atmospheric temperature water because constant temperature precious normal work has, normal atmospheric temperature water mixes at first storage water tank with first share heat/cold water, warm water has been formed, later reentrant to waterway regulation system, thereby it spouts to human head directly to have avoided constant temperature precious just beginning the first share of heat/cold water that goes out to work after entering into waterway regulation system, avoid causing bad experience for the user, avoid scalding or cold to the user, user's comfort level is improved.

And a second water storage tank is arranged on the third pipeline, and hot water flowing out of the hot water source flows to the constant temperature device after passing through the second water storage tank. Like this, even the first share water that hot water source just begins the during operation play is cold water, owing to be equipped with the second storage water tank before the constant temperature is precious, first share cold water need stop at the second storage water tank before entering into the constant temperature is precious, and flow to the water mixture of second storage water tank with the back, the water that the back flows to the second storage water tank is hot water because hot water source has normally worked, hot water mixes at the second storage water tank with first share cold water, warm water has been formed, later reentrant to the constant temperature is precious, just so can avoid the constant temperature precious to go out cold water and enter into to the waterway governing system after spout to human head, avoid causing the bad experience of cold sense for the user, further improve user's comfort level. Combine first storage water tank, no matter this application first share water is cold water or hot water homoenergetic in first storage water tank or second storage water tank with, guarantee that the user is comfortable.

Drawings

Fig. 1 is a schematic view of a liquid supply waterway of the hair washing machine of the present application.

Fig. 2 is a schematic view of a connection structure of a liquid supply waterway of the hair washing machine of the present application.

Fig. 3 is a schematic view at the first valve body relief.

Wherein: 1. a waterway regulation system; 2. a thermostat is provided; 3. a first water storage tank; 4. a first pipeline; 5. a second pipeline; 6. a third pipeline; 7. a fourth pipeline; 8. a second water storage tank; 9. a water heater; 10. a water inlet pipe; 11. a water outlet pipe is arranged; 12. a first valve body; 13. a second valve body; 14. a first shampoo liquid source; 15. a second shampoo liquid source; 16. a first pump body; 17. a second pump body; 18. an ozone generator; 19. a first branch; 20. a second branch circuit; 21. a first branch; 22. a second branch; 23. a third valve body; 24. a fourth valve body; 25. a booster pump; 26. a pressure reduction member; 27. perforating; 28. a headgear.

Detailed Description

The inventive concepts of the present disclosure will be described hereinafter using terms commonly employed by those skilled in the art to convey the substance of their work to others skilled in the art. These utility concepts may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. These embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of their inclusion to those skilled in the art. It should also be noted that these embodiments are not mutually exclusive. A component, step, or element from one embodiment may be assumed to be present or used in another embodiment. The particular embodiments shown and described may be substituted for a wide variety of alternate and/or equivalent implementations without departing from the scope of the embodiments of the present disclosure. This application is intended to cover any adaptations or variations of the embodiments discussed herein. It will be apparent to those skilled in the art that alternative embodiments may be practiced using only some of the described aspects. Specific numbers, materials, and configurations are set forth in the examples for the purpose of illustration, however, alternative examples may be practiced by those skilled in the art without these specific details. In other instances, well-known features may be omitted or simplified in order not to obscure the embodiments of the description.

Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "provided", "mounted", "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The term "fixed" may be a threaded connection or a welded connection or a bolted connection, and those skilled in the art can understand the specific meaning of the above terms in the present invention in specific situations.

Referring to fig. 1-3, a liquid supply path for a hair washing machine includes a main water inlet pipe 10, a main water outlet pipe 11, a first valve body 12, a second valve body 13, a first liquid source 14 for washing hair, and a first pump body 16; a first branch 19 and a second branch 20 are connected in parallel to the main water inlet pipe 10, the tail end of the first branch 19 is connected with the main water outlet pipe 11, the first valve body 12 is arranged on the first branch 19, the input end of the first pump body 16 is connected with the first shampoo liquid source 14 through a pipeline, and the output end of the first pump body 16 is connected with the first branch 19 through a pipeline; the tail end of the second branch 20 is connected with the main water outlet pipe 11, and the second valve body 13 is arranged on the second branch 20. The tail end of the first branch 19 and the tail end of the second branch 20 can be converged to the total water outlet pipe 11 through a tee joint.

The first valve body and the second valve body can respectively control the circulation or the cutting off of the first branch 19 and the second branch 20, liquid of the first branch 19 and the second branch 20 is conveyed to the total water outlet pipe 11, liquid can be supplied to the head sleeve after the total water outlet pipe 11 is connected with a liquid spraying pipe of the head sleeve, and the head sleeve can be sprayed with liquid to wash the head or wash the head cavity.

The first branch 19 and the second branch 20 have different liquid pressures, and can control the first valve body and the second valve body to switch the liquid pressure for supplying liquid, for example, the liquid pressure of the first liquid inlet pipeline is smaller than that of the second liquid inlet pipeline, when the liquid supply with lower pressure is needed, the second valve body can be closed, the first valve body can be opened, and vice versa.

The first pump body can convey the first shampoo of the first shampoo liquid source to the first branch 19 to mix with the liquid of the first branch 19, so as to form a mixed liquid containing the first shampoo later, and then convey the mixed liquid to the main water outlet pipe 11 and convey the mixed liquid to the head cover 28, so that the function of conveying the first shampoo to the head cover 28 is realized. That is, the structure of this application has not only realized the original function that supplies liquid to the headgear, has also realized carrying the function of first shampoo to the headgear. When carrying first shampoo to the headgear, that is first pump body during operation, the lower liquid inlet pipe way of the preferred selection liquid pressure of this application supplies liquid, and like this, first pump body can be effectively take first shampoo out and carry first branch 19.

The liquid supply circuit further comprises a second shampoo liquid source 15 and a second pump body 17; the input end of the second pump body 17 is connected to the second shampoo liquid source 15 through a pipeline, and the output end of the second pump body 17 is connected to the first branch 19 through a pipeline. The second pump body can be mixed with the liquid in first branch 19 after carrying first branch 19 with the second shampoo of second shampoo liquid source, has formed the mixed liquid that includes second shampoo, later carries to total outlet pipe 11 after carrying the headgear, at this moment, realizes carrying the function of second shampoo to the headgear. That is, the structure of this application has not only realized the function that original liquid supplied liquid to the headgear, has also realized carrying the function of second shampoo to the headgear. After combining the structure of first pump body and first shampoo liquid source, the liquid supply system of this application can be the original liquid of selective confession, or first shampoo, or second shampoo, or the combination of first shampoo and second shampoo. The first shampoo liquid source 14 may be embodied as a container containing shampoo liquid, and the second shampoo liquid source 15 may be embodied as a container containing hair care essential oil. The first shampoo is shampoo, and the second shampoo is hair care essential oil. Of course, the first and second sources of shampoo liquid may be interchanged or filled with other liquids, depending on the actual requirements.

The liquid supply waterway also comprises an ozone generator 18, and the output end of the ozone generator 18 is connected with the second branch 20 through a pipeline. Ozone generated by the ozone generator enters the infusion tube to form ozone disinfection water which can be used for washing hair of a user or disinfecting a head cover. The first valve body and the second valve body are electromagnetic valves, and the first valve body and the second valve body are electrically connected with an electric control system of the hair washing machine. The first pump body, the second pump body, the third pump body and the ozone generator are also all electrically connected with and controlled by an electric control system of the hair washing machine. The first valve body and the second valve body are controlled by an electric control system.

The outlet ends of the first valve body 12 and the second valve body 13 are provided with one-way valves, so that liquid backflow can be avoided.

A one-way valve is also arranged on a pipeline between the output end of the first pump body 16 and the first branch 19, so that the liquid in the first branch 19 can be prevented from flowing back to the first pump body.

A one-way valve is also arranged on the pipeline between the output end of the second pump body 17 and the first branch 19.

A booster pump 25 is also arranged on the pipeline between the output end of the ozone generator and the second branch. A one-way valve is also arranged on the pipeline between the output end of the ozone generator and the second branch.

Total outlet pipe 11 is equipped with first branch 21 and second branch 22, first branch 21 is connected with the headgear total delivery port of hair-washing machine, second branch 22 is connected with the headgear back of hair-washing machine brain spoon delivery port, be equipped with third valve body 23 on the first branch 21, be equipped with fourth valve body 24 on the second branch. The head cover 28 of the hair washing machine comprises a main water outlet and a back head outlet. The total water outlet pipe 11 is divided into two paths, which are respectively controlled by a third valve body 23 and a fourth valve body 24, so that the liquid can be selectively conveyed, namely the first branch 21 or the second branch 22 is selected for conveying, or the first branch 21 and the second branch 22 are simultaneously conveyed. The third valve body 23 and the fourth valve body 24 are electromagnetic valves, and the third valve body 23 and the fourth valve body 24 are electrically connected with an electric control system of the hair washing machine. The third valve body 23 and the fourth valve body 24 are controlled by an electronic control system.

The first branch 19 is provided with a pressure reducing structure, and the pressure reducing structure is located upstream of a connection point of the first pump body 16 and the first branch 19. The pressure reducing structure serves to reduce the pressure of the liquid in the first branch 19.

The pressure reducing structure includes a pressure reducing member 26 provided on the first valve body 12, the pressure reducing member 26 is provided with a through hole 27, and the first valve body 12 is located upstream of a connection point of the first pump body 16 and the first branch 19. The pressure reducing member 26 may be provided at the liquid outlet end or the liquid inlet end of the first valve body 12. Thus, the presence of the pressure reducing member 26 can control the flow rate of water into the first branch 19, and thus the ratio of the amounts of water in the first and second shampoos to the first branch 19. In addition, the pressure of the liquid in the first branch passage 19 is reduced after passing through the pressure reducing member 26, otherwise the pressure in the first branch passage 19 is large, and it is difficult to pump out the first shampoo, or the second shampoo, into the first branch passage 19. The size of the through hole 27 is 1.5 to 3 mm.

The pressure reducing structure may also be a throttle or pressure reducing valve provided on the first branch 19, and mainly functions to reduce the hydraulic pressure flowing into the first branch 19.

The confession liquid water route still includes precious 2 and the first storage water tank 3 of constant temperature, the play water end of precious 2 of constant temperature through first pipeline 4 with the end connection of intaking of first storage water tank 3, the cold water end of precious 2 of constant temperature is intake and is connected with cold water source through second pipeline 5, the hot water end of intaking of precious 2 of constant temperature is connected with hot water source through third pipeline 6, the play water end of first storage water tank 3 pass through fourth pipeline 7 with total inlet tube 10 is connected. Like this, even the first share of water that constant temperature precious just begins the during operation play is the water or cold water of comparison scald, owing to be equipped with first storage water tank between waterway regulation system and constant temperature precious, first share of water need stop at first storage water tank before entering into waterway regulation system, and flow to the water mixture of first storage water tank with the back, the water that flows to first storage water tank at the back is normal atmospheric temperature water because constant temperature precious normal work has, normal atmospheric temperature water mixes at first storage water tank with first share heat/cold water, warm water has been formed, later reentrant to waterway regulation system, thereby it spouts to human head directly to have avoided constant temperature precious just beginning the first share of heat/cold water that goes out to work after entering into waterway regulation system, avoid causing bad experience for the user, avoid scalding or cold to the user, user's comfort level is improved.

And a second water storage tank 8 is arranged on the third pipeline 6, and hot water flowing out of the hot water source flows to the constant temperature device 2 after passing through the second water storage tank 8. Like this, even the first share water that hot water source just begins the during operation play is cold water, owing to be equipped with the second storage water tank before the constant temperature is precious, first share cold water need stop at the second storage water tank before entering into the constant temperature is precious, and flow to the water mixture of second storage water tank with the back, the water that the back flows to the second storage water tank is hot water because hot water source has normally worked, hot water mixes at the second storage water tank with first share cold water, warm water has been formed, later reentrant to the constant temperature is precious, just so can avoid the constant temperature precious to go out cold water and enter into to the waterway governing system after spout to human head, avoid causing the bad experience of cold sense for the user, further improve user's comfort level. Combine first storage water tank, no matter this application first share water is cold water or hot water homoenergetic in first storage water tank or second storage water tank with, guarantee that the user is comfortable

The height of the hot water inlet end of the constant temperature device 2 is higher than that of the second water storage tank 8.

The water outlet end of the second water storage tank 8 is positioned at the upper end of the second water storage tank 8.

The hot water source is a water heater 9, and the hot water inlet end of the constant temperature device 2 is connected with the hot water outlet end of the water heater 9 through a third pipeline 6.

The height of the main water inlet pipe 10 is higher than that of the first water storage tank 3.

The water outlet end of the first water storage tank 3 is positioned at the upper end of the first water storage tank 3.

The working principle is as follows:

1. when the effluent only needs to be ordinary water, the first valve body 12 and the second valve body 13 are opened simultaneously or the first valve body 12 and the second valve body 13 are opened, the ozone generator 18, the first pump body 16 and the second pump body 17 do not work, and the effluent is ordinary water.

2. When the effluent only needs to be sterilized water, the first valve body 12 is closed, the second valve body 13 is opened, and the ozone generator 18 works; or the first valve body 12 and the second valve body 13 are opened simultaneously, the ozone generator 18 works, the first pump body 16 and the second pump body 17 do not work, and the effluent is disinfectant water.

3. When the discharged water is shampoo, the second valve body 13 is closed, the first valve body 12 is opened, the ozone generator 18 does not work, the first pump body 16 and/or the second pump body 17 work, and the discharged water is shampoo.

The first strand of water that hot water source promptly water heater 9 just began to work and go out is cold water, and first strand of cold water need stop in second storage water tank 8 before entering into constant temperature 2 to with the water that flows to second storage water tank 8 at the back mix, the water that flows to second storage water tank 8 at the back is hot water because the hot water source has normally worked, hot water and first strand of cold water have been mixed at second storage water tank 8, formed the warm water, later reentrant to constant temperature 2, just so can avoid constant temperature 2 to go out cold water and spout human head after entering waterway regulation system 1.

The above description is only a preferred and feasible embodiment of the present invention, and therefore, the scope of the present invention should not be limited by the above description, and various other modifications made by the technical solutions and concepts of the present invention should be included in the protection scope of the present invention.

Claims

1. A liquid supply waterway for a hair washing machine is characterized by comprising a main water inlet pipe (10), a main water outlet pipe (11), a first valve body (12), a second valve body (13), a first hair washing liquid source (14) and a first pump body (16); a first branch (19) and a second branch (20) are connected to the main water inlet pipe (10) in parallel, the tail end of the first branch (19) is connected with the main water outlet pipe (11), the first valve body (12) is arranged on the first branch (19), the input end of the first pump body (16) is connected with the first shampoo liquid source (14) through a pipeline, and the output end of the first pump body (16) is connected with the first branch (19) through a pipeline; the tail end of the second branch (20) is connected with the main water outlet pipe (11), and the second valve body (13) is arranged on the second branch (20).

2. The liquid supply circuit of claim 1, further comprising a second source of shampoo liquid (15) and a second pump body (17); the input end of the second pump body (17) is connected with the second shampoo liquid source (15) through a pipeline, and the output end of the second pump body (17) is connected with the first branch (19) through a pipeline.

3. The liquid supply circuit of claim 1, further comprising an ozone generator (18), wherein an output of said ozone generator (18) is connected to said second branch (20) by a conduit.

4. The liquid supply waterway according to claim 1, wherein the main water outlet pipe (11) is provided with a first branch (21) and a second branch (22), the first branch (21) is connected with a head cover main water outlet of the hair washing machine, the second branch (22) is connected with a head cover back brain spoon water outlet of the hair washing machine, the first branch (21) is provided with a third valve body (23), and the second branch is provided with a fourth valve body (24).

5. The liquid supply circuit according to claim 1, characterized in that said first branch (19) is provided with a pressure relief structure upstream of the connection point of the first pump body (16) to the first branch (19).

6. A liquid supply circuit according to claim 5, characterized in that said pressure relief structure comprises a pressure relief member (26) provided on said first valve body (12), said pressure relief member (26) being provided with perforations (27), said first valve body (12) being located upstream of the connection point of the first pump body (16) to the first branch (19).

7. The liquid supply waterway according to claim 1, further comprising a thermostat (2) and a first water storage tank (3), wherein the water outlet end of the thermostat (2) is connected to the water inlet end of the first water storage tank (3) through a first pipeline (4), the cold water inlet end of the thermostat (2) is connected to a cold water source through a second pipeline (5), the hot water inlet end of the thermostat (2) is connected to a hot water source through a third pipeline (6), and the water outlet end of the first water storage tank (3) is connected to the main water inlet pipe (10) through a fourth pipeline (7).

8. The liquid supply waterway according to claim 7, wherein the third pipeline (6) is provided with a second water storage tank (8), and hot water flowing out of the hot water source flows to the thermostat (2) after passing through the second water storage tank (8).

9. The liquid supply waterway according to claim 8, wherein the hot water inlet end of the thermostatic device (2) is higher than the second water storage tank (8).

10. The liquid supply circuit according to claim 8, characterized in that the outlet end of said second tank (8) is located at the upper end of said second tank (8).