WO2020244157A1

WO2020244157A1 - Faucet

Info

Publication number: WO2020244157A1
Application number: PCT/CN2019/118613
Authority: WO
Inventors: 吴端龙
Original assignee: 吴端龙
Priority date: 2019-06-04
Filing date: 2019-11-15
Publication date: 2020-12-10
Also published as: CN210034527U

Abstract

Disclosed is a faucet, comprising a faucet body, a valve body assembly, an induction assembly (5), a main control panel and an electromagnetic valve (3). The valve body assembly comprises a valve element (21) and a handle (22), wherein a first cold water inlet (214), a first hot water inlet (213), a first mixed-water outlet (211) and a second mixed-water outlet (212) are provided in a bottom face of the valve element (21); the handle (22) can be rotated between a cold water position and a hot water position so as to adjust a mixing proportion of cold water and hot water entering the valve element (21), and so the temperature of mixed water flowing out of the valve element (21) can be controlled. The technical solution can achieve independent and manual water output control and water temperature adjustment. A water output can also be independently and automatically controlled and the water temperature can be adjusted when the water output is automatically controlled, the use is flexible and convenient, and the valve element (21) is of a rational structural design, such that a waterway structure is simpler, machining is easier, the overall structure is more compact, and miniaturization design of the faucet is facilitated; since the induction assembly is arranged at the water outlet, the faucet is more suitable for man-machine engineering, and the user experience is improved.

Description

A faucet

cross reference

This application refers to the Chinese patent application No. 201920831083.7 filed on June 4, 2019 and named "a kind of faucet", which is fully incorporated into this application by reference.

Technical field

The utility model belongs to the technical field of faucets, in particular to a faucet capable of manual and automatic dual-purpose.

Background technique

As a necessary equipment for daily production and living water, faucets are widely used in kitchens, bathrooms and other places. The early faucets were mainly operated manually, and there were the following problems: first, if the water was stopped during use, and forgot to turn off the faucet; second, water was needed when the water was stopped, and when the faucet was turned on, there was no water and forgot to turn off the faucet. . In these two cases, the faucet is forgotten to be turned off due to negligence. If water comes again and no one is there, it will cause a lot of water leakage and waste resources.

Therefore, more and more faucets now use smart sensing methods, such as touch, infrared, pull and other sensing methods, to solve the above-mentioned problems. However, the intelligent induction water outlet method needs to use a solenoid valve to control. When the solenoid valve is damaged or out of power, the faucet cannot be used, and the intelligent induction water outlet method is not suitable for the situation where the water will be discharged for a long time.

In order to solve the above problems, there are kitchen faucets that combine induction methods with manual switches. For example, the published patent: CN 208268481 U, the publication date is December 21, 2018. The technology disclosed in this patent can realize independent manual control functions and Independent automatic control function, and can control the water temperature. However, the first mixed water outlet and the second mixed water outlet of the valve core are respectively arranged at the bottom and side of the valve core, which makes the waterway structure complicated, difficult to process, and not compact enough, which is not conducive to the miniaturization of the faucet.

Summary of the invention

In order to overcome the shortcomings of the prior art, the present invention adopts a technical solution: a faucet, including a faucet body, a valve body assembly, an induction assembly, a main control board and a solenoid valve. The valve body assembly includes a valve core and Handle, the bottom surface of the valve core is provided with a first cold water inlet, a first hot water inlet, a first mixed water outlet, and a second mixed water outlet; the valve body assembly further includes a valve body, the The valve core is arranged on the side of the valve body, and the side of the valve body is provided with a first cold water inlet, a first hot water inlet, a first mixed water outlet, and a second mixed water outlet respectively. A cold water outlet, a first hot water outlet, a first mixed water inlet and a second mixed water inlet, the bottom of the valve body is provided with a second cold water inlet and a second hot water inlet, and the second The cold water inlet and the second hot water inlet are respectively connected to the cold water inlet pipe and the hot water inlet pipe, the top of the valve body is provided with a first water outlet, and the first water outlet is in communication with the water outlet of the faucet body, The second cold water inlet and the second hot water inlet are respectively communicated with the first cold water outlet and the first hot water outlet, the first mixed water inlet is connected with the first water outlet, and the second mixed water inlet passes through the solenoid valve Connect with the first water outlet.

On the basis of the above solution, further, the first cold water inlet and the first hot water inlet are respectively connected with a cold water inlet pipe and a hot water inlet pipe, and the first mixed water outlet is connected to the outlet of the faucet body Connected, the second mixed water outlet is communicated with the outlet of the faucet body through a solenoid valve, the handle is connected to the core shaft of the valve core, and the handle can be toggled between a manual position and an automatic position;

When the handle is in the manual position, the mixed water passing through the valve core flows out from the first mixed water outlet, and when the handle is in the automatic position, the mixed water passing through the valve core flows out from the second mixed water outlet; The cold water position and a hot water position are rotated to adjust the mixing ratio of cold and hot water entering the valve core, thereby controlling the temperature of the mixed water flowing out of the valve core.

On the basis of the above solution, furthermore, the sensing component is arranged at the water outlet of the faucet body, and the sensing component and the solenoid valve are respectively electrically connected to the main control board.

Specifically, the solenoid valve is arranged at the bottom of the valve body.

On the basis of the above solution, further, the sensing component is a non-contact sensing component.

On the basis of the above solution, further, the sensing component is an infrared sensing component.

On the basis of the above solution, further, the sensing component includes two sensing probes, the first sensing probe faces the end surface of the water outlet of the faucet body, and the second sensing probe faces the side surface of the water outlet of the faucet body.

On the basis of the above solution, it further includes a water outlet detecting component, the output end of the water outlet detecting component is connected with the input end of the main control board, and the water outlet detecting component is used to detect whether the first mixed water outlet is mixed Water flows out.

On the basis of the above solution, further, the water outflow detection component is realized by a magnetic control switch.

On the basis of the above solution, further, the water outlet detection assembly includes a magnet and a reed switch, and the magnet is arranged in a waterway communicating with the first mixed water outlet via a return spring. When the first mixed water outlet When the mixed water flows out, the magnet overcomes the elastic force of the return spring and moves to the trigger position, thereby triggering the reed switch, the output end of the reed switch is connected with the second input end of the main control board.

On the basis of the above solution, further, the valve core is a ceramic valve core.

The beneficial technical effects of the utility model:

The utility model can realize independent manual control of water outlet and water temperature adjustment, and can also independently automatically control water outlet, and the water temperature can also be adjusted when the water outlet is automatically controlled. It is flexible and convenient to use, and the valve core structure design is reasonable, making the water circuit structure simpler and easier to process. The overall structure is more compact, which is conducive to the miniaturized design of the faucet and improves the user experience.

Description of the drawings

In order to more clearly describe the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the appendix in the following description The drawings are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative labor.

Figure 1 is a schematic structural diagram of a specific embodiment of the utility model;

Figure 2 is a partial structural diagram of a specific embodiment of the utility model;

Figure 3 is an enlarged view of part A in Figure 2;

Figure 4 is a schematic diagram of another part of the structure of the specific embodiment of the utility model;

Figure 5 is an exploded view of a specific embodiment of the utility model;

Figure 6 is a schematic structural diagram of the valve core of a specific embodiment of the utility model;

Figure 7 is a schematic structural view of the valve body of the specific embodiment of the utility model;

Figure 8 is a schematic diagram of the water outlet with the handle opened according to the specific embodiment of the utility model;

Figure 9 is an enlarged view of part B in Figure 8;

Figure 10 is a schematic diagram of the water outlet with the handle closed according to a specific embodiment of the utility model;

Fig. 11 is an enlarged view of part C in Fig. 10.

Reference signs:

11 Main Body Department 12 Elbow Pipe 13 Fixed Screw Pipe

121 Outlet 3 Solenoid valve 5 Sensing components

21 spool 22 handles 211 first mixed water outlet

212 Second mixed water outlet 213 First hot water inlet 214 First cold water inlet

215 core shaft 23 valve body body 24 valve core gland

25 Decorative cover 231 First mixed water inlet 232 Second mixed water inlet

233 First hot water outlet 234 First cold water outlet 235 Second hot water inlet

236 Second cold water inlet 237 First water outlet 61 Fixed rod

63 Outlet rod 64 Outlet pipe 65 Outlet joint

51 Second induction probe 52 First induction probe 41 Dry reed pipe

Detailed ways

In order to make the purpose, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be described clearly and completely in conjunction with the drawings in the embodiments of the present utility model. Obviously, the description The embodiments are part of the embodiments of the present utility model, but not all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present utility model.

In the description of the present utility model, it should be noted that the terms "center", "vertical", "horizontal", "upper", "lower", "front", "rear", "left", "right", The orientation or positional relationship indicated by "vertical", "horizontal", "top", "bottom", "inner", "outer" etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility The novel and simplified description do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance.

The present utility model will now be further described in conjunction with attached drawings 1-11 and specific implementations.

As shown in Figures 1, 2, and 3, a faucet includes a faucet body, a valve body assembly, a sensing assembly 5, a main control board (not shown in the figure) and a solenoid valve 3. In this specific embodiment, the faucet body includes A tubular main body 11 with open upper and lower ends, an elbow 12 arranged above the main body 11 (based on the direction of FIG. 1), and a fixed solenoid 13 arranged below the main body 11. The port of the elbow 12 is a water outlet 121. Beautiful and compact structure. Of course, the faucet body can also adopt other existing faucet structures. In addition, the specific electrical design of the main control board can be easily realized by those skilled in the art according to the concept of the technical solution, and will not be described again.

As shown in Figures 4, 5 and 6, the valve body assembly includes a valve core 21 and a handle 22. The bottom surface of the valve core 21 (as opposed to the surface where the core shaft 215 of the valve core 21 is located) is provided with a first cold water inlet. The water inlet 214, the first hot water inlet 213, the first mixed water outlet 211, and the second mixed water outlet 212 are the first cold water inlet 214, the first hot water inlet 213, and the first mixed water outlet 211 Both the second mixed water outlet 212 and the second mixed water outlet 212 are arranged on the bottom surface of the valve core 21, and the structural design is reasonable, which makes the waterway structure simpler, easier to process, and the overall structure is more compact, which is conducive to miniaturization.

As shown in FIG. 6, the first cold water inlet 214 and the first hot water inlet 213 are respectively connected with a cold water inlet pipe and a hot water inlet pipe (not shown in the figure), and the first mixed water outlet 211 It communicates with the water outlet 121 of the faucet body, the second mixed water outlet 212 communicates with the water outlet 121 of the faucet body through the solenoid valve 3, the handle 22 is connected with the spindle 215 of the valve core 21, and the handle 22 can be Switch between a manual position and an automatic position. When the handle 22 is in the manual position, the cold water and hot water entering from the first cold water inlet 214 and the first hot water inlet 213 are mixed through the valve core 21. The water flows out from the first mixed water outlet 211; when the handle 22 is in the automatic position, the cold water and hot water entering from the first cold water inlet 214 and the first hot water inlet 213 are mixed through the valve core 21. When the second mixed water outlet 212 flows out, and the handle 22 is in the manual position and the automatic position, it can be rotated left and right between a cold water position and a hot water position to adjust the inlet of the valve core 21 The mixing ratio of cold and hot water controls the temperature of the mixed water flowing out of the valve core 21.

In this specific embodiment, the valve core 21 is arranged in the main body 11, the handle 22 is arranged outside the side wall of the main body 11, and a valve core gland 24 and a decorative cover 25 are also provided between the valve core 21 and the handle 22.

In this specific embodiment, the valve core 21 is preferably a ceramic valve core with good performance, but those skilled in the art can also use valve cores of other materials according to the design concept of the present invention.

In this specific embodiment, as shown in FIGS. 4, 6 and 7, the valve body assembly further includes a valve body 23, and the valve core 21 is arranged on the side of the valve body 23. The side is provided with a first cold water inlet 214, a first hot water inlet 213, a first mixed water outlet 211 and a second mixed water outlet 212 respectively connected with a first cold water outlet 234, a first hot water outlet The water inlet 233, the first mixed water inlet 231 and the second mixed water inlet 232, the bottom of the valve body 23 is provided with a second cold water inlet 236 and a second hot water inlet 235, and a second cold water inlet 236 And the second hot water inlet 235 are respectively connected to the cold water inlet pipe and the hot water inlet pipe, the top of the valve body 23 is provided with a first water outlet 237, the first water outlet 237 is connected to the water outlet 121 of the faucet body Connected, the second cold water inlet 236 and the second hot water inlet 235 are respectively connected with the first cold water outlet 234 and the first hot water outlet 233, the first mixed water inlet 231 is connected with the first water outlet 237, The second mixed water inlet 232 communicates with the first water outlet 237 through the solenoid valve 3, which is arranged at the bottom of the valve body 23. The above-mentioned structure makes the water path simple and compact, easy to process and assemble, and is beneficial to the faucet. miniaturization.

In this specific embodiment, as shown in FIG. 5, the first water outlet 237 is connected to the outlet of the faucet body through a fixed rod 61, a guide sleeve 62, a water outlet rod 63, a water outlet pipe 64, and a water outlet joint 65 arranged in the elbow 12 in sequence. The nozzle 121 is easy to assemble and has a stable structure.

The sensing component 5 is arranged at the water outlet 121 of the faucet body, and the sensing component 5 and the solenoid valve 3 are respectively electrically connected to the main control board. Setting the sensing component 5 at the water outlet 121 is more in line with ergonomics and improves user experience.

In this embodiment, the sensing component 5 is preferably a non-contact sensing component, specifically an infrared sensing component, which is convenient to use and does not cause pollution. Of course, in other embodiments, the sensing component 5 may also be a TOF ranging probe or the like.

In this specific embodiment, as shown in FIG. 3, the sensing assembly 5 includes two sensing probes. The first sensing probe 52 faces the end surface of the water outlet 121 of the faucet body, and the second sensing probe 51 faces the water outlet 121 of the faucet body. There are two probes on the side, which can realize the functions of hand-lifted infrared induction and infrared faucet induction. It is flexible and convenient to use, improves user experience, and the two probes are integrated together with lower cost.

In this specific embodiment, it further includes a water outlet detection component 4, the output end of the water outlet detection component 4 is connected to the input end of the main control board, the water outlet detection component 4 is used to detect whether the first mixed water outlet 211 is mixed Water flows out.

In this specific embodiment, as shown in FIGS. 4 and 6, the water outlet detection assembly 4 is realized by a magnetic control switch, and includes a magnet and a reed pipe 41. The magnet is set on the mounting seat through a return spring. Installed in the waterway communicating with the first mixed water outlet 211, the reed pipe 41 is arranged outside the waterway, when the first mixed water outlet 211 has mixed water flowing out, the magnet moves to the trigger position against the elastic force of the return spring , That is, close to the reed switch 41, thereby triggering the reed switch 41. The output end of the reed switch 41 is connected with the input end of the main control board, and the signal is output to the main control board. The main control board controls the induction assembly 5 and the electromagnetic The valve 3 does not work. When avoiding manual mode, the sensor assembly 5 will also light up during induction, which will cause misunderstanding and waste electricity; when the first mixed water outlet 211 does not flow out of mixed water, the magnet acts on the restoring force of the return spring Reset, away from the reed switch 41, the reed switch 41 is not triggered, the main control board controls the sensing assembly 5 and the solenoid valve 3 to work normally. Of course, in other implementations, the reed switch 41 can also be implemented by other magnetron sensors such as a Hall sensor.

In other implementations, the water outlet detection component 4 can also be implemented by other existing detection components such as a pressure sensor, etc., which can be easily implemented by those skilled in the art, and will not be described in detail.

With reference to Figures 2 and 8-11, the description of the use process of the faucet provided by the present utility model:

When the handle 22 is turned to the manual position, the cold and hot water from the cold water inlet pipe and the hot water inlet pipe are mixed through the valve core 21 and flow out from the first mixed water outlet 211, and then directly flow out from the outlet 121 of the faucet body. The detection component 4 detects that the signal is transmitted to the main control board. The main control board controls the sensing component 5 and the solenoid valve 3 to not work. By turning the handle 22 left and right, the water temperature can be adjusted, and the flow can be adjusted by adjusting the opening angle of the handle 22.

When the handle 22 is turned to the automatic position, the cold and hot water from the cold water inlet pipe and the hot water inlet pipe are mixed through the valve core 21 and flow out from the second mixed water outlet 212, and then the solenoid valve 3 is controlled to open by the induction component 5 , The water outlet 121 of the faucet body can automatically switch water. By turning the handle 22 left and right, the water temperature can be adjusted. By adjusting the opening angle of the handle 22, the flow can be adjusted, which is convenient to use.

Although the main part, elbow, fixed solenoid, water outlet, solenoid valve, induction component, valve core, handle, first mixed water outlet, second mixed water outlet, first heat Water inlet, first cold water inlet, mandrel, valve body, valve core gland, decorative cover, first mixed water inlet, second mixed water inlet, first hot water outlet, first cold water outlet Terms such as water inlet, second hot water inlet, second cold water inlet, first outlet, fixed rod, outlet rod, outlet pipe, outlet joint, sensor probe, reed switch, etc., but the use of other terms is not excluded Sex. These terms are only used to describe and explain the essence of the utility model more conveniently; to interpret them as any additional restriction is contrary to the spirit of the utility model.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, not to limit it; although the utility model is described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand : It can still modify the technical solutions described in the foregoing embodiments, or equivalently replace some or all of the technical features; these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the embodiments of the present invention The scope of the technical solution.

Claims

A faucet, comprising a faucet body, a valve body assembly, an induction assembly, a main control board and a solenoid valve, characterized in that: the valve body assembly includes a valve core and a handle, and the bottom surface of the valve core is provided with a first cold water inlet , A first hot water inlet, a first mixed water outlet, and a second mixed water outlet; the valve body assembly further includes a valve body, the valve core is arranged on the side of the valve body, the valve body The side is provided with a first cold water outlet, a first hot water outlet, and a first mixed water outlet that communicate with the first cold water inlet, the first hot water inlet, the first mixed water outlet, and the second mixed water outlet respectively. Water inlet and second mixed water inlet, the bottom of the valve body is provided with a second cold water inlet and a second hot water inlet, the second cold water inlet and the second hot water inlet are respectively connected to the cold water inlet pipe Connected to the hot water inlet pipe, the top of the valve body is provided with a first water outlet, the first water outlet communicates with the water outlet of the faucet body, the second cold water inlet and the second hot water inlet are respectively connected to the first A cold water outlet is connected with the first hot water outlet, the first mixed water inlet is connected with the first water outlet, and the second mixed water inlet is connected with the first water outlet through a solenoid valve.
The faucet according to claim 1, wherein the first cold water inlet and the first hot water inlet are respectively connected with a cold water inlet pipe and a hot water inlet pipe, and the first mixed water outlet is connected to the faucet body The second mixed water outlet communicates with the water outlet of the faucet body through a solenoid valve, the handle is connected to the core shaft of the valve core, and the handle can be moved between a manual position and an automatic position Switch

When the handle is in the manual position, the mixed water passing through the valve core flows out from the first mixed water outlet, and when the handle is in the automatic position, the mixed water passing through the valve core flows out from the second mixed water outlet; The cold water position and a hot water position are rotated to adjust the mixing ratio of cold and hot water entering the valve core, thereby controlling the temperature of the mixed water flowing out of the valve core.
The faucet according to claim 1, wherein the sensing component is arranged at the water outlet of the faucet body, and the sensing component and the solenoid valve are respectively electrically connected to the main control board.
The faucet according to claim 3, wherein the solenoid valve is arranged at the bottom of the valve body.
The faucet according to claim 1, wherein the sensing component is a non-contact sensing component.
The faucet according to claim 4, wherein the sensor component is an infrared sensor component.
The faucet according to any one of claims 1-6, wherein the sensor assembly includes two sensor probes, the first sensor probe faces the end surface of the water outlet of the faucet body, and the second sensor probe faces the outlet of the faucet body. The side of the nozzle.
The faucet according to claim 2, further comprising a water outlet detection component, the output end of the water outlet detection component is connected to the input end of the main control board, and the water outlet detection component is used to detect the first mixed water outlet Is there any mixed water flowing out?
8. The faucet according to claim 8, characterized in that the water outlet detection component is realized by a magnetic control switch.
The faucet according to claim 8 or 9, characterized in that: the water outlet detection assembly comprises a magnet and a reed pipe, and the magnet is arranged in a waterway communicating with the first mixed water outlet through a return spring, and when the first When mixed water flows out of the mixed water outlet, the magnet overcomes the elastic force of the return spring and moves to the trigger position, thereby triggering the reed switch, the output end of the reed switch is connected to the second input end of the main control board.
The faucet according to any one of claims 1-10, wherein the valve core is a ceramic valve core.