Closestool water inlet valve

Abstract

The utility model provides a closestool water inlet valve which comprises a water stopping mechanism and a water inlet and outlet mechanism, the water stopping mechanism comprises a funnel pipe, a buoy, a connecting rod, a valve needle, an upper cover, a pressing block and a bottom pipe, the water inlet and outlet mechanism comprises an inner layer pipe and an outer layer pipe, the inner layer pipe is connected with the bottom pipe, the outer layer pipe is connected with the funnel pipe, a water inlet is arranged at the lower end of the inner layer pipe, and a water outlet is arranged at the lower end of the outer layer pipe. When water enters, the buoy drives the connecting rod to move the valve needle upwards to block the vertical channel, and water enters the inner-layer pipe from the water inlet, flows through a gap between the bottom pipe and the pressing block and finally flows out from the water outlet in the lower side of the outer-layer pipe; when the water tank is filled with water, the buoy drives the connecting rod to move the valve needle downwards to open the vertical channel, the water flows from the bottom pipe to the space between the pressing block and the upper cover through the vertical channel and the water inlet channel, and the water pressure pushes the pressing block to be pressed downwards on the bottom pipe, so that the water is prevented from entering the outer-layer pipe, namely, the effect of stopping water inlet is achieved. Height difference is reduced, water flow noise is reduced, and use comfort is improved.

Description

Technical Field

[0001] This utility model relates to the technical field of toilet tank inlet valves, and more specifically, to a toilet inlet valve. Background Technology

[0002] As people's living standards and quality of life improve, their demands for bathroom products also increase. While existing water tank inlet valves have advantages such as stable structure and long lifespan, they still have some significant drawbacks. A typical inlet valve usually includes a valve body, a regulating rod with a transmission connection, and a float. The valve body includes an inlet pipe, an outlet pipe, and a water-stopping component that can connect or block the inlet and outlet pipes. The float rises or falls according to changes in the water level in the tank, causing the regulating rod to rise or fall, which in turn causes the water-stopping component to block or connect the inlet and outlet pipes, thus achieving water shut-off or water intake. The inlet pipe is usually vertically installed, while the outlet pipe is located at the top of the inlet pipe. Water enters the water tank through the bottom of the inlet pipe and flows through the outlet pipe. Because the outlet pipe directly falls into the water tank, the height difference between the outlet pipe and the bottom of the tank results in significant water flow noise. Therefore, there is an urgent need for an inlet valve that can reduce water noise. Utility Model Content

[0003] This utility model provides a toilet inlet valve, which aims to improve the technical problem of excessive water flow noise in existing inlet valves.

[0004] To achieve the above objectives, this utility model adopts the following technical solution: a toilet inlet valve, comprising a water-stopping mechanism and an inlet / outlet mechanism. The water-stopping mechanism includes a funnel tube, a float, a connecting rod, a valve needle, a top cover, a pressure block, and a bottom tube. The float is mounted on the connecting rod, which is connected to the valve needle. The top cover and the bottom tube are mounted on the funnel tube. The pressure block is located between the top cover and the bottom tube. The pressure block has a vertical channel. A water inlet channel is opened on the side of the vertical channel near the top cover, connecting to the vertical channel. The bottom tube includes a main pipe and several first through holes arranged around the main pipe. The funnel tube has several second through holes arranged around the bottom tube. The valve needle can slide through the top cover and insert into the vertical channel. The inlet / outlet mechanism includes a connecting pipe, which includes an inner tube and an outer tube. The inner tube is connected to the bottom tube, and the outer tube is connected to the funnel tube. An inlet is provided at the lower end of the inner tube, and an outlet is provided at the lower end of the outer tube.

[0005] Furthermore, the valve needle has an annular groove in the middle, and the vertical channel has an annular protrusion in the middle.

[0006] Furthermore, the inner tube and the outer tube are provided with support members at the opening positions, and the support members have several notches.

[0007] Furthermore, a rubber gasket is provided between the bottom tube and the funnel tube.

[0008] Furthermore, a sealing ring is provided between the bottom tube and the inner tube, and between the funnel tube and the outer tube.

[0009] Furthermore, the connecting rod includes a vertical connecting rod and a horizontal connecting rod. The vertical connecting rod is threadedly connected to the float, and one end of the horizontal connecting rod is connected to the vertical connecting rod, while the other end is connected to the valve needle.

[0010] Furthermore, the funnel tube further includes a cap that covers the upper cover.

[0011] Furthermore, an overflow port is provided on the side of the funnel tube.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] This utility model discloses a toilet inlet valve with a simple and ingenious design, comprising a water-stopping mechanism and an inlet / outlet mechanism. The water-stopping mechanism includes a funnel tube, a float, a connecting rod, a valve needle, a top cover, a pressure block, and a bottom tube. The float is mounted on the connecting rod, which is connected to the valve needle. The top cover and the bottom tube are mounted on the funnel tube. The pressure block is located between the top cover and the bottom tube and has a vertical channel. The side of the vertical channel near the top cover has an inlet channel that connects to the vertical channel. The bottom tube includes a main pipe and several first through holes arranged around the main pipe. The funnel tube has several second through holes arranged around the bottom tube. The valve needle can be slidably inserted into the vertical channel. The inlet / outlet mechanism includes a connecting pipe, which includes an inner tube and an outer tube. The inner tube connects to the bottom tube, and the outer tube connects to the funnel tube. The lower end of the inner tube has an inlet, and the lower end of the outer tube has an outlet. When the water tank is empty, the float moves downwards via a connecting rod, causing the valve needle to move upwards and block the vertical channel. Water enters the inner tube from the inlet, flows through the gap between the bottom tube and the pressure block, then enters the outer tube through the first and second through holes, and finally flows out from the outlet on the lower side of the outer tube. When the water tank is full, the float moves upwards via a connecting rod, causing the valve needle to move downwards and open the vertical channel. Water flows from the bottom tube through the vertical channel and the inlet channel to the space between the pressure block and the top cover. The water pressure pushes the pressure block downwards and presses it firmly against the bottom tube, preventing water from entering the outer tube, thus achieving the effect of automatically shutting off the water supply. In this invention, both the inlet and outlet are located on the lower side, reducing the height difference, lowering water flow noise, and improving user comfort. Attached Figure Description

[0014] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained from these drawings without creative effort.

[0015] Figure 1 This is a schematic diagram of the overall structure of a toilet inlet valve according to this utility model;

[0016] Figure 2 This is a cross-sectional view of a toilet inlet valve according to the present invention;

[0017] Figure 3 This is an exploded view of the water-stopping mechanism of a toilet inlet valve according to this utility model.

[0018] Figure 4 This is a schematic diagram of the funnel tube and bottom tube structure of a toilet inlet valve according to this utility model;

[0019] Figure 5 This is a cross-sectional view of the pressure block and valve needle of a toilet inlet valve according to this utility model;

[0020] Figure 6 This is a schematic diagram of the cross-sectional structure of the connecting pipe of a toilet inlet valve according to this utility model.

[0021] Figure 7 This is a schematic diagram of the connecting pipe structure of a toilet inlet valve according to this utility model.

[0022] Explanation of main component symbols

[0023] 10. Water-stopping mechanism; 101. Funnel pipe; 1011. Second through hole; 1012. Overflow port; 102. Float; 103. Connecting rod; 104. Valve needle; 105. Top cover; 106. Pressure block; 1061. Vertical channel; 1062. Water inlet channel; 107. Bottom pipe; 1071. First through hole; 108. Cap;

[0024] 20. Water inlet / outlet mechanism; 201. Inner tube; 2011. Water inlet; 202. Outer tube; 2021. Water outlet; 203. Support component. Detailed Implementation

[0025] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this utility model, not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model. Therefore, the following detailed description of the embodiments of this utility model provided in the accompanying drawings is not intended to limit the scope of the claimed utility model, but merely represents selected embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0026] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0027] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0028] Example

[0029] Reference Figure 1-2 As shown, this utility model discloses a toilet inlet valve, including a water-stopping mechanism 10 and an inlet / outlet mechanism 20. The inlet / outlet mechanism 20 is located on the lower side of the water-stopping mechanism 10 near the bottom of the water tank. The inlet / outlet mechanism is used for water to enter and exit the water tank, while the water-stopping mechanism 10 acts as a switch to control the water inlet and outlet.

[0030] Reference Figure 2-5As shown, the water-stopping mechanism 10 includes a funnel pipe 101, a float 102, a connecting rod 103, a valve needle 104, a top cover 105, a pressure block 106, and a bottom pipe 107. The float 102 is mounted with the connecting rod 103, which is connected to the valve needle 104. Specifically, the connecting rod 103 includes a vertical connecting rod 103 and a horizontal connecting rod 104. The vertical connecting rod 103 is threadedly connected to the float 102, and one end of the horizontal connecting rod 103 is connected to the vertical connecting rod 104. The other end of the connecting rod 103 is connected to the valve needle 104. When the water tank is full of water, the float 102 will push the horizontal connecting rod 103 upward through the vertical connecting rod 103, and the horizontal connecting rod 103 will drive the valve needle 104 to move downward. When there is no water in the water tank, the float 102 will sink and drive the vertical connecting rod 103 and the horizontal connecting rod 103 downward, which will drive the valve needle 104 to move upward. The up and down movement of the valve needle 104 is controlled by the float 102.

[0031] Reference Figure 2-5 As shown, the upper cover 105 and the bottom tube 107 are installed on the funnel tube 101. The pressure block 106 is located between the upper cover 105 and the bottom tube 107. The bottom tube 107 includes a main tube and several first through holes 1071 arranged around the main tube. The funnel tube 101 has several second through holes 1011 around the bottom tube 107. The pressure block 106 has a vertical channel 1061. The side of the vertical channel 1061 near the upper cover 105 has a water inlet channel 1062 that connects to the vertical channel 1061. The valve needle 104 can slide through the upper cover 105 and be inserted into the vertical channel 1061. Specifically, the valve needle 104... An annular groove is formed in the middle of the vertical channel 1061, and an annular protrusion is provided in the middle of the vertical channel 1061. When the valve needle 104 is inserted downward into the vertical channel 1061, the annular protrusion of the vertical channel 1061 is placed in the annular groove of the valve needle 104. At this time, water can enter the vertical channel 1061 from the bottom pipe 107 and pass through the water inlet channel 1062 to the upper cover 105 and the pressure block 106. The water pressure between the upper cover 105 and the pressure block 106 pushes the pressure block 106 downward and presses it tightly at the upper end of the main pipe of the bottom pipe 107, preventing water from passing between the bottom pipe 107 and the pressure block 106; that is, stopping the water inlet. Furthermore, a rubber gasket is further provided between the bottom pipe 107 and the funnel pipe 101. The rubber gasket has a through hole in the middle and is fitted into the bottom pipe 107, allowing water to pass through the gap between the rubber gasket and the bottom pipe 107.

[0032] Reference Figure 2-5 As shown, an overflow port 1012 is further provided on the side of the funnel tube 101. The overflow port 1012 is connected to a drain valve and is used to replenish the toilet water seal.

[0033] Reference Figure 2 , Figure 6-7As shown, the water inlet / outlet mechanism 20 includes a connecting pipe, which comprises an inner pipe 201 and an outer pipe 202. The inner pipe 201 is connected to the bottom pipe 107, and the outer pipe 202 is connected to the funnel pipe 101. An inlet 2011 is provided at the lower end of the inner pipe 201, and an outlet 2021 is provided at the lower end of the outer pipe 202. Specifically, water enters the inner pipe 201 through the inlet 2011. The inner pipe 201 connects to the bottom pipe 107. Water enters from the bottom pipe 107, passes through the gap between the pressure block 106 and the bottom pipe 107, and finally returns to the outer pipe 202 through the first through hole 1071 and the second through hole 1011, flowing out from the outlet 2021 at the lower end of the outer pipe 202. Both the inlet 2011 and the outlet 2021 are located near the bottom of the water tank to reduce the drop and decrease noise. Furthermore, support members 203 are installed at the opening positions of the inner tube 201 and the outer tube. The support members 203 have several notches. The support members 203 are used to support the outer tube 202 and prevent the opening of the outer tube 202 from closing. The notches are used to allow water to pass through to the outlet 2021. In addition, sealing rings are installed between the bottom tube 107 and the inner tube 201, and between the funnel tube 101 and the outer tube 202 to ensure the sealing of the inlet and outlet water pipes.

[0034] In addition, the funnel tube 101 further includes a cap 108, which covers the upper cover 105 and serves to protect the protective valve needle 104.

[0035] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A toilet inlet valve characterized by; The water stop mechanism comprises a funnel pipe, a float, a connecting rod, a valve needle, an upper cover, a pressing block and a bottom pipe, the float is installed with the connecting rod, the connecting rod is connected with the valve needle, the upper cover and the bottom pipe are installed in the funnel pipe, the pressing block is between the upper cover and the bottom pipe, the pressing block is provided with a vertical channel, the vertical channel is provided with a water inlet channel near one side of the upper cover, the bottom pipe comprises a main pipe and a plurality of first through holes arranged around the main pipe, the funnel pipe is provided with a plurality of second through holes around the bottom pipe, the valve needle can be slidably inserted into the vertical channel through the upper cover; the water inlet and outlet mechanism comprises a connecting pipe, the connecting pipe comprises an inner pipe and an outer pipe, the inner pipe is connected with the bottom pipe, the outer pipe is connected with the funnel pipe, the lower end of the inner pipe is provided with a water inlet, and the lower end of the outer pipe is provided with a water outlet.

2. The toilet inlet valve of claim 1, wherein: The middle part of the valve needle is provided with an annular groove, and the middle part of the vertical channel is provided with an annular protrusion.

3. The toilet inlet valve of claim 1, wherein: The inner pipe and the outer pipe are provided with support members at the opening positions, and the support members are provided with a plurality of notches.

4. The toilet inlet valve of claim 1, wherein: The bottom pipe and the funnel pipe are further provided with a rubber gasket.

5. The toilet inlet valve of claim 1, wherein: The bottom pipe and the inner pipe, the funnel pipe and the outer pipe are provided with sealing rings.

6. The toilet inlet valve of claim 1, wherein: The connecting rod comprises a vertical connecting rod and a horizontal connecting rod, the vertical connecting rod is connected with the float through threads, one end of the horizontal connecting rod is connected with the vertical connecting rod, and the other end of the horizontal connecting rod is connected with the valve needle.

7. The toilet inlet valve of claim 1, wherein: The funnel pipe further comprises a cap, and the cap covers the upper cover.

8. The toilet inlet valve of claim 1, wherein: The side of the funnel pipe is further provided with an overflow port.

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