阅读说明：本技术 一种水龙头及节水出水装置 (Tap and water-saving water outlet device ) 是由 林孝发 林孝山 邬辉辉 岳春兰 于 2020-06-30 设计创作，主要内容包括：本发明公开了一种水龙头及节水出水装置,水龙头包括水龙头本体、混水阀芯和出水转换阀芯,水龙头本体设有冷水回流通道,出水转换阀芯设有与混水阀芯的混合水出口连通的进水口、与冷水回流通道连通的第一出水口、与水龙头本体的出水端连通的第二出水口,以及第三出水口,该出水转换阀芯根据水温变化控制其进水口与第一出水口或第二出水口连通；出水转换阀芯设有控制其第三出水口开启与否的控制部件,在进水口与第一出水口连通状态,随着第三出水口开启,该第三出水口连通进水口和水龙头本体的出水端。本发明利用冷水回流通道对连接在水龙头与热水水源之间的水管中残留的冷水进行引流,使用户免于手动收集残留冷水,并解决浪费水的问题。(The invention discloses a water faucet and a water-saving water outlet device, wherein the water faucet comprises a water faucet body, a water mixing valve core and a water outlet conversion valve core, wherein the water faucet body is provided with a cold water backflow channel, the water outlet conversion valve core is provided with a water inlet communicated with a mixed water outlet of the water mixing valve core, a first water outlet communicated with the cold water backflow channel, a second water outlet communicated with a water outlet end of the water faucet body and a third water outlet, and the water outlet conversion valve core controls the water inlet to be communicated with the first water outlet or the second water outlet according to the change of water temperature; the water outlet conversion valve core is provided with a control part for controlling the opening of the third water outlet, and the third water outlet is communicated with the water inlet and the water outlet end of the water faucet body along with the opening of the third water outlet when the water inlet is communicated with the first water outlet. The invention utilizes the cold water backflow channel to drain the residual cold water in the water pipe connected between the water faucet and the hot water source, so that a user is free from manually collecting the residual cold water, and the problem of water waste is solved.)

1. A faucet comprises a faucet body and a water mixing valve core, wherein the water mixing valve core is arranged in the faucet body; the method is characterized in that: the water outlet conversion valve core is arranged in the faucet body; the water tap body is provided with a cold water return channel, the water outlet conversion valve core is provided with a water inlet communicated with a mixed water outlet of the water mixing valve core, a first water outlet communicated with the cold water return channel, a second water outlet communicated with a water outlet end of the water tap body and a third water outlet, and the water inlet of the water outlet conversion valve core is controlled to be communicated with the first water outlet or the second water outlet according to water temperature change; the water outlet conversion valve core is provided with a control part for controlling the opening of the third water outlet, and the third water outlet is communicated with the water inlet and the water outlet end of the water faucet body along with the opening of the third water outlet when the water inlet is communicated with the first water outlet.

2. The faucet of claim 1, wherein: the water outlet end of the water faucet body is provided with an operable water outlet nozzle which is communicated with the water outlet end of the water faucet body; the control part is positioned in the faucet body and is linked with the water outlet nozzle so as to be driven by the water outlet nozzle.

3. The faucet of claim 2, wherein: the water outlet nozzle can be rotationally connected to the water faucet body around the axis of the water outlet nozzle, the control part is a valve plate, and the valve plate can rotate around the axis of the valve plate and is coaxially connected with the water outlet nozzle through a connecting rod.

4. The faucet of claim 3, wherein: the water outlet nozzle is provided with a plurality of water outlets, and one of the water outlets faces downwards along with the movement of the valve plate driven by the water outlet nozzle; an inner sleeve fixed with the faucet body is arranged in the water outlet nozzle, and the water outlet nozzle is limited to discharge water from the water outlet without facing downwards through the inner sleeve.

5. The faucet of any one of claims 1 to 4, wherein: the water outlet conversion valve core comprises a valve core body, a piston, a memory spring, an elastic piece and the control part, wherein the valve core body is arranged in the faucet body and is provided with the water inlet, the first water outlet, the second water outlet and the third water outlet; the piston, the memory spring and the elastic piece are arranged in the valve core body, the memory spring is abutted between one end of the valve core body where the water inlet is located and the piston, the elastic piece is abutted between one end of the valve core body where the second water outlet is located and the piston, and the water inlet is controlled to be communicated with the first water outlet or the second water outlet through the movement of the piston; the control component is connected with the valve core body.

6. The faucet of claim 5, wherein: the valve core body comprises a valve shell, a first end cover and a second end cover, the two ends of the valve shell are communicated with each other, the first end cover and the second end cover are respectively connected to the two ends of the valve shell in a sealing mode, the first end cover is provided with the water inlet, the second end cover is provided with the third water outlet, the side wall of the valve shell is provided with the first water outlet and the second water outlet, and the piston, the memory spring and the elastic piece are arranged in the valve shell; the valve shell outer sleeve is provided with at least one sealing sleeve piece, and the sealing sleeve piece is connected with the faucet body in a sealing way; the control component is mounted to the seal sleeve or the second end cap.

7. The faucet of claim 6, wherein: the piston is equipped with rivers hole and guiding hole, the second end cover is equipped with guide bar and sealing rod, and the guide bar passes the guiding hole of piston is right the motion of piston is led, and the sealing rod is shorter than the guide bar, along with the water inlet with first delivery port or second delivery port intercommunication, this sealing rod opens or closes the rivers hole of piston.

8. The faucet of claim 2, wherein: the water faucet body comprises a valve seat and a valve pipe, the water mixing valve core is arranged on the valve seat, and the valve seat is provided with a cold water inlet communicated with a cold water inlet of the water mixing valve core, a hot water inlet communicated with a hot water inlet of the water mixing valve core, and a cold water outlet communicated with the cold water return channel; one end of the valve pipe is hermetically connected with the valve seat, a mixed water channel and the cold water backflow channel are arranged in the valve pipe, the water outlet conversion valve core is arranged in the valve pipe, and a water inlet of the water outlet conversion valve core is communicated with a mixed water outlet of the water mixing valve core through the mixed water channel; the other end of the valve pipe forms the water outlet end of the water faucet body and is provided with the water outlet nozzle.

9. The faucet of claim 1, wherein: the self-priming water mixing valve is used for converging cold water from a cold water source and cold water from the cold water return channel and outputting the converged cold water to the water mixing valve core.

10. A water-saving water outlet device is characterized in that: comprises the water tap as claimed in any one of claims 1 to 8, and a water storage container communicated with the cold water return passage.

11. The water-saving water outlet device according to claim 10, characterized in that: the self-priming water mixing valve is characterized by further comprising a self-priming water mixing valve, wherein a water inlet of the self-priming water mixing valve is connected with a cold water source, a self-priming opening of the self-priming water mixing valve is communicated with the water storage container, and a water outlet of the self-priming water mixing valve is communicated with a cold water inlet of the water mixing valve core.

Technical Field

The invention relates to the technical field of taps, in particular to a tap and a water-saving water outlet device.

Background

Disclosure of Invention

Aiming at the technical problems in the prior art, the invention provides a faucet and a water-saving water outlet device, which can avoid water resource waste.

The technical scheme adopted by the invention for solving the technical problems is as follows: a faucet comprises a faucet body and a water mixing valve core, wherein the water mixing valve core is arranged in the faucet body; the water outlet conversion valve core is arranged in the faucet body; the water tap body is provided with a cold water return channel, the water outlet conversion valve core is provided with a water inlet communicated with a mixed water outlet of the water mixing valve core, a first water outlet communicated with the cold water return channel, a second water outlet communicated with a water outlet end of the water tap body and a third water outlet, and the water inlet of the water outlet conversion valve core is controlled to be communicated with the first water outlet or the second water outlet according to water temperature change; the water outlet conversion valve core is provided with a control part for controlling the opening of the third water outlet, and the third water outlet is communicated with the water inlet and the water outlet end of the water faucet body along with the opening of the third water outlet when the water inlet is communicated with the first water outlet.

Furthermore, an operable water outlet nozzle is arranged at the water outlet end of the water faucet body and is communicated with the water outlet end of the water faucet body; the control part is positioned in the faucet body and is linked with the water outlet nozzle so as to be driven by the water outlet nozzle.

Furthermore, the water outlet nozzle can be rotationally connected to the water faucet body around the axis of the water outlet nozzle, the control part is a valve plate, and the valve plate can rotate around the axis of the valve plate and is coaxially connected with the water outlet nozzle through a connecting rod.

Furthermore, the water outlet nozzle is provided with a plurality of water outlets, and one of the water outlets faces downwards along with the movement of the valve plate driven by the water outlet nozzle; an inner sleeve fixed with the faucet body is arranged in the water outlet nozzle, and the water outlet nozzle is limited to discharge water from the water outlet without facing downwards through the inner sleeve.

Furthermore, the water outlet conversion valve core comprises a valve core body, a piston, a memory spring, an elastic piece and the control part, wherein the valve core body is arranged in the faucet body and is provided with the water inlet, the first water outlet, the second water outlet and the third water outlet; the piston, the memory spring and the elastic piece are arranged in the valve core body, the memory spring is abutted between one end of the valve core body where the water inlet is located and the piston, the elastic piece is abutted between one end of the valve core body where the second water outlet is located and the piston, and the water inlet is controlled to be communicated with the first water outlet or the second water outlet through the movement of the piston; the control component is connected with the valve core body.

Furthermore, the valve core body comprises a valve casing, a first end cover and a second end cover, the two ends of the valve casing are communicated, the first end cover and the second end cover are respectively connected to the two ends of the valve casing in a sealing mode, the first end cover is provided with the water inlet, the second end cover is provided with the third water outlet, the side wall of the valve casing is provided with the first water outlet and the second water outlet, and the piston, the memory spring and the elastic piece are installed in the valve casing; the valve shell outer sleeve is provided with at least one sealing sleeve piece, and the sealing sleeve piece is connected with the faucet body in a sealing way; the control component is mounted to the seal sleeve or the second end cap.

Furthermore, the piston is provided with a water flow hole and a guide hole, the second end cover is provided with a guide rod and a sealing rod, the guide rod penetrates through the guide hole of the piston to guide the movement of the piston, the sealing rod is shorter than the guide rod, and along with the communication between the water inlet and the first water outlet or the second water outlet, the sealing rod opens or closes the water flow hole of the piston.

Furthermore, the water inlet and the second water outlet are respectively located at two opposite ends of the water outlet conversion valve core, and the first water outlet and the third water outlet are located on the side surface of the water outlet conversion valve core.

Furthermore, the water faucet body comprises a valve seat and a valve pipe, the water mixing valve core is arranged on the valve seat, and the valve seat is provided with a cold water inlet communicated with a cold water inlet of the water mixing valve core, a hot water inlet communicated with a hot water inlet of the water mixing valve core, and a cold water outlet communicated with the cold water return channel; one end of the valve pipe is hermetically connected with the valve seat, a mixed water channel and the cold water backflow channel are arranged in the valve pipe, the water outlet conversion valve core is arranged in the valve pipe, and a water inlet of the water outlet conversion valve core is communicated with a mixed water outlet of the water mixing valve core through the mixed water channel; the other end of the valve pipe forms the water outlet end of the water faucet body and is provided with the water outlet nozzle.

Furthermore, the self-priming water mixing valve is used for converging cold water from a cold water source and cold water from the cold water return channel and outputting the converged cold water to the water mixing valve core.

The invention also provides a water-saving water outlet device, which comprises the water tap and a water storage container, wherein the water storage container is communicated with the cold water return channel.

The water storage container is characterized by further comprising a self-suction water mixing valve, wherein a water inlet of the self-suction water mixing valve is connected with a cold water source, a self-suction port of the self-suction water mixing valve is communicated with the water storage container, and a water outlet of the self-suction water mixing valve is communicated with a cold water inlet of the water mixing valve core.

Compared with the prior art, the invention has the following beneficial effects:

1. the tap body is provided with the cold water return channel and the water outlet conversion valve core, so that when warm water or hot water is required to be used, residual cold water in a water pipe connected between the tap and a hot water source can be prevented from being directly discharged from the water outlet end of the tap body, and the residual cold water is drained by using the cold water return channel, so that a user is prevented from manually collecting residual cold water, the use of the tap is convenient and fast, and the problem of water waste is solved. In addition, when the user adjusts the hot water gear, the water is discharged, namely warm water or hot water, so that the trouble that the user detects the water temperature for many times when using the warm water is avoided. The invention is controlled in a mechanical way in the whole process, and does not need to be additionally provided with a sensor or power.

2. The invention further provides the water outlet nozzle, and the control part is driven by the water outlet nozzle, so that the control part is more convenient to install and operate.

3. The water outlet nozzle is installed in a rotating mode, so that the water outlet nozzle is more convenient to assemble and operate.

3. The water outlet nozzle is provided with a plurality of water outlets and is matched with the inner sleeve piece, so that the water outlet direction cannot be changed when the water outlet nozzle rotates, and water is prevented from being sprayed to the side surface.

4. The water outlet conversion valve core comprises a valve core body, a piston, a memory spring and an elastic piece, so that the water outlet conversion valve core is very simple in structure and easy to assemble.

5. The faucet body comprises the valve seat and the valve pipe, so that the faucet body is very simple in structure and easy to assemble.

6. The water-saving water outlet device comprises the water storage container, and can collect cold water remained in the pipeline, so that a user is prevented from being equipped with the water storage container.

7. The self-suction water mixing valve is arranged, so that cold water drained by the cold water backflow channel can be automatically recycled, and a user is free from manually processing the cold water.

The invention is further explained in detail with the accompanying drawings and the embodiments; however, the faucet and the water saving and discharging device of the present invention are not limited to the embodiments.

Drawings

FIG. 1 is an exploded schematic view of the present invention;

FIG. 2 is a schematic perspective view of the present invention;

FIG. 3 is a cross-sectional view of the present invention;

FIG. 4 is a schematic view of the faucet of the present invention;

FIG. 5 is a schematic view of the construction of the inner sleeve of the present invention;

FIG. 6 is an exploded view of the outlet diverter valve cartridge of the present invention;

FIG. 7 is a schematic structural view of a second end cap of the present invention;

FIG. 8 is a schematic view of the construction of the piston of the present invention;

FIG. 9 is a schematic view of another seal assembly of the present invention;

FIG. 10 is a schematic view of the construction of the valve seat of the present invention;

FIG. 11 is a partial cross-sectional view of the valve tube of the present invention;

FIG. 12 is an enlarged schematic view of portion A of FIG. 11;

FIG. 13 is a schematic view showing the first water outlet direction according to the present invention;

FIG. 14 is a schematic view of the present invention showing the water outlet direction II;

fig. 15 is a third schematic view of the water outlet direction of the present invention.

Detailed Description