Any-angle shut-off assembly and water outlet device

Abstract

This utility model provides an arbitrary-angle water shut-off component, applied to a water shut-off device where the water passage chamber forms a negative pressure chamber when the water is turned off. It includes: a cover, a water outlet body, and a two-way inlet valve. Ribs on the cover divide the water outlet holes into multiple areas. The water outlet body and these areas form a water outlet chamber, with each area having a corresponding inlet hole. The two-way inlet valve is positioned between the water passage chamber and the water outlet chamber. The valve has a first flow channel and a second flow channel. When water is flowing, the first flow channel opens and the second flow channel closes, connecting the water passage chamber to the water outlet hole via the first flow channel. When the water is turned off, the water passage chamber forms a negative pressure chamber, opening the second flow channel and closing the first flow channel, connecting the water outlet hole to the water passage chamber via the second flow channel. This utility model also provides a water shut-off device equipped with the aforementioned arbitrary-angle water shut-off component.

Description

Technical Field

[0001] This utility model relates to a water outlet device, and more particularly to a water outlet device with an immediate stop function when water is turned off. Background Technology

[0002] Some existing showerheads incorporate a movable plate within the showerhead body that moves up and down to seal the water outlet. This plate, along with the water outlet panel, forms a pressure chamber. When water is supplied to the showerhead and the buoyancy of the water in the pressure chamber is sufficient to lift the movable plate, water flows from the showerhead. When the water flow is stopped, the buoyancy of the water in the pressure chamber rapidly decreases, causing the movable plate to reseal the water outlet, stopping the water flow and preventing dripping after showering. However, because the movable plate has a certain weight, it needs to be lifted, requiring the water to be pressurized within the pressure chamber for a period of time before sufficient buoyancy is generated. This results in high starting water pressure and delayed water flow. Similarly, the movable plate also requires a certain amount of time to move into position when the water is turned off, preventing truly instantaneous water shut-off. Furthermore, these instant-stop showerheads have relatively high requirements for the showerhead's posture; generally, the showerhead must be in a horizontal position to achieve instantaneous water shut-off. Handheld showerheads and similar water-dispensing devices are typically suspended at an angle, which prevents the automatic shut-off function from working properly. Therefore, a structure that can automatically shut off the water from any angle is needed.

[0003] To achieve instant water shut-off at any angle, one solution uses a sealing gasket with a slit. The slit opens when water is flowing through the system, allowing water to flow from the inlet to the outlet. The slit also opens instantly when the water is shut off, allowing water to flow from the outlet back into the inlet, thus stopping the water flow immediately. After the water is shut off, the slit remains closed. This solution places high demands on the cutting process, processing equipment, and material properties, resulting in low yield and high production costs. Utility Model Content

[0004] The main technical problem to be solved by this utility model is to provide a water shut-off component that, together with a water shut-off device, can achieve water shut-off at any angle, and has a stable structure and relatively low cost.

[0005] To solve the above-mentioned technical problems, this utility model provides an arbitrary angle water shut-off component, which is applied to a water shut-off device that forms a negative pressure chamber when the water is shut off, including: a cover, a water outlet body and a two-way water inlet valve.

[0006] Ribs are provided on the face cover to divide the water outlet on the face cover into multiple areas. The water outlet body and the multiple areas on the face cover form a water outlet cavity, and the water outlet body is provided with a water inlet for each area. The bidirectional water inlet valve is located between the water passage cavity and the water outlet cavity.

[0007] The bidirectional water inlet valve has a first flow channel and a second flow channel. When water is supplied, the first flow channel is open and the second flow channel is closed. The water supply chamber is connected to the water outlet through the first flow channel. When water is shut off, the water supply chamber forms a negative pressure chamber, the second flow channel is open and the first flow channel is closed, and the water outlet is connected to the water supply chamber through the second flow channel.

[0008] In a preferred embodiment: the bidirectional water inlet valve includes a first valve body and a valve core; the first valve body has a first flow channel, the valve core has a second flow channel, and the valve core is provided with a check plate at the communication between the second flow channel and the water passage cavity;

[0009] When water is supplied, the valve core moves from the first position to the second position under the action of water pressure, so as to open the connection between the first flow channel and the water supply chamber, and the check plate closes.

[0010] When the water is turned off, the valve core moves from the second position to the first position to disconnect the connection between the first flow channel and the water passage chamber. The pressure in the water passage chamber is less than the pressure in the outlet hole, and the check valve opens.

[0011] In a preferred embodiment: a sealing element is provided on the side wall of the valve core, and when the valve core is in the first position, the sealing element is in contact with the inner wall of the first valve body.

[0012] In a preferred embodiment: the valve core is connected to the first valve body through an elastic reset member, and when the valve core moves from the first position to the second position, the elastic reset member accumulates an elastic reset force.

[0013] In a preferred embodiment: a two-way inlet valve is connected to at least one outlet.

[0014] In a preferred embodiment: the ribs on the faceplate are sealed to the water outlet so that each area on the faceplate is not interconnected.

[0015] This utility model also provides a water outlet device that stops water flow immediately upon shutting off, equipped with the component that stops water flow immediately upon shutting off at any angle as described above.

[0016] In a preferred embodiment: the water passage chamber is a variable water passage chamber, and the water outlet device is further provided with a variable non-flow chamber; the variable non-flow chamber is sealed and isolated from the variable water passage chamber by a second valve body driven by water pressure, and the variable non-flow chamber is connected to the atmosphere; the variable water passage chamber is connected to the water outlet hole of the water outlet device;

[0017] When water is flowing through, the second valve body is driven by water pressure to move from the first position to the second position and compress the volume of the variable flow chamber; when water is turned off, the second valve body moves from the second position to the first position and compresses the volume of the variable non-flow chamber, thereby increasing the volume of the variable flow chamber to form a negative pressure chamber.

[0018] In a preferred embodiment: a valve seat is provided in the variable flow chamber, and the valve seat is connected to the second valve body through a return spring; during the process of the second valve body moving from the first position to the second position, the return spring is compressed to accumulate elastic return force.

[0019] In a preferred embodiment: during the process of the second valve body moving from the first position to the second position, or when the second valve body is in the second position, it can be combined with the valve seat to form a cavity; the valve seat is provided with a one-way valve at the position corresponding to the cavity; when the second valve body moves in the direction of decreasing cavity volume, the one-way valve opens to connect the variable flow water cavity; when the second valve body moves in the direction of increasing cavity volume or when the second valve body does not move, the one-way valve closes.

[0020] In a preferred embodiment: the valve seat is further provided with a duckbill valve port; when the volume of the cavity decreases, the duckbill valve port is closed; when the volume of the cavity increases, the duckbill valve port is opened and connected to the atmosphere or the variable flow water cavity.

[0021] In a preferred embodiment: a Y-shaped sealing ring is provided on the side of the valve seat, and the second valve body fits and splices with the Y-shaped sealing ring to form the cavity during the process of moving from the first position to the second position or when it is in the second position.

[0022] Compared with the prior art, the technical solution of this utility model has the following beneficial effects:

[0023] This invention provides an arbitrary angle water shut-off component. By dividing the water outlet on the cover into multiple chambers, and combining this with a bidirectional water inlet valve on the water outlet body, multiple sealed chambers can be formed in the water shut-off state. This reduces the height difference between the highest and lowest positions within the same chamber, thereby reducing the pressure at the lowest position within a sealed chamber. This reduces the impact of the generated pressure on the water tension or the tension between the water and the cover, preventing the water shut-off function from failing. Thus, water shut-off at any angle can be achieved. Furthermore, compared to cutting slits in the sealing gasket, the bidirectional water inlet valve effectively avoids the instability issues associated with mass production using slits. The bidirectional water inlet valve solution significantly reduces manufacturing difficulty, improving yield and reducing costs. In addition, the bidirectional water inlet valve solution achieves water flow from the water passage chamber into the water outlet or from the water outlet into the water passage chamber by blocking or opening different flow channels. This can be implemented using a relatively mature and stable structure, preventing the water shut-off function from failing or becoming unstable after a period of use. Attached Figure Description

[0024] Figure 1 This is a front view of the water outlet device in this utility model;

[0025] Figure 2 This is an exploded view of the water outlet device in this utility model;

[0026] Figure 3 This is a cross-sectional view of the water outlet device in the present invention under water flow conditions;

[0027] Figure 4 for Figure 3 The enlarged view at point A shows that the valve body has not yet moved to the second position;

[0028] Figure 5 for Figure 3 The enlarged view at point A shows the valve body moved to the second position;

[0029] Figure 6 This is a schematic diagram of the force analysis of the valve body in the second position in this utility model;

[0030] Figure 7 This is a cross-sectional view of the water outlet device in the water-off state of this utility model;

[0031] Figure 8 This is a schematic diagram of the residual water in the water outlet device of this utility model when the water is turned off;

[0032] Figure 9 for Figure 7 Enlarged view of point B;

[0033] Figure 10 This is a schematic diagram of the internal water storage state of the water outlet device in the present invention under water supply conditions;

[0034] Figure 11 This is a schematic diagram of the faceplate of this utility model;

[0035] Figure 12 This is a schematic diagram of the water outlet and the faceplate assembled in this utility model;

[0036] Figure 13 This is a schematic diagram of the top cover of this utility model when tilted;

[0037] Figure 14 This is an exploded view of the water outlet device in a preferred embodiment of the present invention;

[0038] Figure 15 This is a cross-sectional view of the water outlet device in a preferred embodiment of the present invention when water is flowing through it;

[0039] Figure 16 for Figure 15 Enlarged view of point C;

[0040] Figure 17 This is a cross-sectional view of the valve body of the water outlet device in a preferred embodiment of the present invention when it is reset from the second position to the first position;

[0041] Figure 18 for Figure 17 Enlarged view of point D;

[0042] Figure 19 This is a cross-sectional view of the water outlet device after the water is turned off in a preferred embodiment of this utility model;

[0043] Figure 20 for Figure 19 Enlarged view of point E;

[0044] Figure 21 This is a schematic diagram of the water outlet and the fixed base assembled in a preferred embodiment of the utility model;

[0045] Figure 22 This is a schematic diagram from another angle of the preferred embodiment of the utility model after the water outlet and the fixed base are assembled. Detailed Implementation

[0046] To make the technical solution and features of this utility model clearer, the following detailed description of this utility model is provided in conjunction with the accompanying drawings and specific examples. It should be understood that these examples are only for illustrating this utility model and are not intended to limit the scope of this utility model. After reading this utility model, any modifications of this utility model by those skilled in the art in various equivalent forms fall within the scope defined by the appended claims.

[0047] To better illustrate the technical problem this application aims to solve, the slit-sealed gasket mentioned in the background section is described in detail in this embodiment. Furthermore, for ease of understanding, the slit-sealed gasket is integrated into other structures within this application to explain the principle behind the water shut-off function. Please refer to... Figures 1-10 This embodiment provides a water outlet device that stops water flow immediately upon shutting off. The water outlet device is provided with a variable non-flowing chamber 1 and a variable flowing chamber 2. The side of the variable non-flowing chamber 1 closest to the variable flowing chamber 2 is sealed and isolated from the variable flowing chamber 2 by a second valve body 4 driven by water pressure, while the other side is connected to the atmosphere through an air hole 11. The variable flowing chamber 2 is connected to the water outlet 3 of the water outlet device. As a simple replacement for this embodiment, the location of the air hole 11 can also be changed to the middle of the variable non-flowing chamber 1 or the side close to the variable flowing chamber 2.

[0048] When water is flowing through, the second valve body 4 is driven by water pressure to move from the first position to the second position and compress the volume of the variable water-flow chamber 2; when water is turned off, the second valve body 4 moves from the second position to the first position and compresses the volume of the variable non-flow chamber 1, thereby increasing the volume of the variable water-flow chamber 2 to form a negative pressure chamber.

[0049] To ensure that the second valve body 4 can move from the second position to the first position to reset after the water pressure disappears when the water is turned off, a valve seat 21 is provided in the variable flow chamber 2. The valve seat 21 is connected to the second valve body 4 through a return spring 22. During the movement of the second valve body 4 from the first position to the second position, the return spring 22 is compressed, accumulating elastic reset force. Thus, after the water pressure disappears, the return spring 22 releases the elastic reset force, which can drive the second valve body 4 to reset to the first position.

[0050] Further reference Figure 4 During the movement of the second valve body 4 from the first position to the second position, it mates with the valve seat 21 to form a cavity 5. However, at this time, the second valve body 4 has not yet moved to the second position. Since the cavity 5 is filled with liquid, which cannot be compressed, a Y-shaped sealing ring 23 is provided on the side of the valve seat 21 to ensure that the second valve body 4 can move to the second position. The Y-shaped sealing ring 23 fits and mates with the valve body 4 to form the cavity 5. The lip of the Y-shaped sealing ring 23 faces away from the cavity 5, allowing the liquid in the cavity 5 to flow out of the cavity 5. This solves the problem of the liquid not being compressible, allowing the second valve body 4 to continue moving after forming the cavity 5 with the valve seat 21. In addition, a one-way valve 24 is provided on the valve seat 21 corresponding to the position of the cavity 5; when the second valve body 4 moves in the direction where the volume of the cavity 5 decreases, the one-way valve 24 opens to connect to the variable flow water cavity 2; when the second valve body 4 moves in the direction where the volume of the cavity 5 increases or when the valve body does not move, the one-way valve 24 closes. Therefore, the one-way valve 24 can also allow water in the cavity 5 to flow out of the cavity 5. In this embodiment, the one-way valve 24 and the Y-shaped sealing ring 23 together solve the problem of the liquid being incompressible.

[0051] Meanwhile, as mentioned above, after the cavity 5 is formed, it is filled with liquid. At this time, the second valve body 4 requires a very large force to return from the second position to the first position. To solve this problem, the valve seat 21 is provided with a duckbill valve port 25 corresponding to the position of the cavity 5; when the volume of the cavity 5 decreases, the duckbill valve port 25 closes; when the volume of the cavity 5 increases, the duckbill valve port 25 opens and connects to the atmosphere. That is to say, when the second valve body 4 moves from the second position to the first position, the duckbill valve port 25 can open, thereby allowing the cavity 5 to connect to the outside atmosphere, so that the second valve body 4 can return to the first position. Alternatively, the duckbill valve port 25 can also be opened to connect to the variable water chamber 2 when the second valve body 4 moves from the second position to the first position.

[0052] In this embodiment, the area S3 of the Y-shaped sealing ring 23 is greater than or equal to the cross-sectional area S2 of the variable non-flowing cavity 1, and less than the cross-sectional area S1 of the portion of the variable flowing cavity 2 corresponding to the movement range of the second valve body 4. Taking the second valve body 4 as the research object, the second valve body 4 is subjected to the water pressure on the inlet side, generating a leftward pressure F1 = P1(S1-S2); the second valve body 4 is also subjected to the rightward pressure F2 = P2(S1-S3) generated by the water outlet side of the outlet device. Since there will be pressure loss along the way, P1 is slightly greater than P2. When S3 is greater than or equal to S2, F1 > F2, which can keep the second valve body 4 in the second position.

[0053] Furthermore, in this embodiment, the cross-sectional area S1 of the portion of the variable water passage chamber 2 corresponding to the movement range of the second valve body 4, and the cross-sectional area S4 of the portion corresponding to the variable non-flowing water chamber 1, are respectively larger than the cross-sectional areas S2 of the second valve body 4 and the variable non-flowing water chamber 1. This ensures that when the second valve body 4 is in the second position, a water passage 6 is formed between the side of the second valve body 4, the side of the variable non-flowing water chamber 1, and the inner wall of the variable water passage 2. These water passages 6 are filled with water when the water is flowing, and when the water is turned off, the movement of the second valve body 4 to the first position compresses these water passages 6. Therefore, a water passage hole 41 connecting the water passage 6 to the variable water passage 2 needs to be provided on the second valve body 4. In this way, when the water is turned off, the water in the water passage 6 can flow out through the water passage hole 41 during the movement of the second valve body 4 without hindering the movement of the second valve body 4.

[0054] In this embodiment, to prevent water from flowing out of the outlet hole 3 from the variable flow chamber 2 after the water is turned off, a first sealing gasket 31 is provided on the outlet hole 3, and a cutting slit 311 is provided on the first sealing gasket 31. When water is supplied, the water pressure acts on the first sealing gasket 31 to open the cutting slit 311. At the moment the water is turned off, the negative pressure of the variable flow chamber 2 draws the water in the outlet hole 3 into the variable flow chamber 2, achieving the effect of stopping the water supply immediately upon turning it off. In the water-off state, the negative pressure of the variable flow chamber 2 and the external atmospheric pressure create a pressure difference on both sides of the first sealing gasket 31. Under the action of the pressure difference, the first sealing gasket 31 arches upward, thereby closing the cutting slit 311. In this embodiment, the cutting slit 311 is cross-shaped, but other shapes can also be used as a simple alternative.

[0055] Further reference Figure 11-13Furthermore, the water outlet device in this embodiment is a handheld showerhead. Since the handheld showerhead may be in any position when the water is turned off, it is necessary to ensure that the water stops immediately when the handheld showerhead is in any position. Therefore, the water outlet device in this embodiment includes a cover 7 and a water outlet body 8. The cover 7 is provided with the water outlet hole 3 and a first sealing gasket 31. The cover 7 is also provided with multiple ribs 71 that divide the water outlet hole 3 into multiple independent areas 72. The water outlet body 8 and the multiple independent areas 72 on the cover 7 form multiple independent water outlet chambers 73. The water outlet body 8 is provided with a water inlet hole 82 corresponding to each area, and a second sealing gasket 81 is provided at the water inlet hole 82. The second sealing gasket 81, like the first sealing gasket 31, also has a cut slit. After the faceplate 7 and the water outlet 8 are installed, the rib 71 is sealed to the water outlet 8. When water is flowing, the water flow acts on the second sealing gasket 81 to open the water inlet 82, allowing water to enter the faceplate 7. At the moment the water is turned off, the negative pressure of the variable flow chamber 2 draws the water from the water outlet 3 and the water outlet chamber 73 into the variable flow chamber 2, achieving the effect of stopping the water flow immediately when turned off. In the water-off state, the negative pressure of the variable flow chamber 2 and the external atmospheric pressure create a pressure difference on both sides of the second sealing gasket 81. Under the action of the pressure difference, the second sealing gasket 81 arches upward, thereby closing the cut seam. Multiple independent areas are sealed and isolated by the faceplate 7, the rib 71 on the faceplate, the water outlet 8, and the second sealing gasket 81 on the water inlet 82. That is, the water flows in each independent area 72, but the water in different independent areas 72 does not communicate with each other. Each region extends radially at a distance less than the diameter of the cover 7. Taking the outermost region as an example, the height difference between the highest and lowest positions in this region 72 under tilt is h2. However, without regional division, the entire cover 7 consists of only one region. In this case, the height difference between the highest and lowest positions is the height from one edge of the cover 7 to the opposite edge, i.e., h1. Obviously, h1 is significantly greater than h2. This excessive height difference will result in a higher pressure at the lowest position. p = ρgh is a fundamental formula in hydrostatics used to calculate the pressure at a point in a static liquid. When the tension between the water elements or the tension between the water and the cover is less than this pressure, the water shut-off function fails. The tension between the water elements can be understood as including the surface tension between the water and the nozzle, as well as the cohesive force between the water elements. Thus, even if the variable water chamber 2 creates negative pressure, the water outlet 3 on the cover 7 will continue to drip for a period of time after the water is turned off, causing the water shut-off function to fail. Dividing the area into regions solves this problem. As a simple alternative to this embodiment, the first sealing gasket 31 on the water outlet 3 can be removed, and only the second sealing gasket 81 on the water outlet body 8 can be retained.

[0056] As can be seen, while the above structure can achieve the effect of stopping the water flow immediately upon shutting off, it uses a sealing gasket with cut seams, thus exhibiting the problems mentioned in the background.

[0057] Therefore, refer to Figures 14-22 This embodiment provides an arbitrary angle water shut-off component, applied to the water shut-off device described above. The difference lies in replacing the sealing gasket with a cut seam with a bidirectional inlet valve 9, which also achieves the arbitrary angle water shut-off function. The bidirectional inlet valve 9 is located between the outlet chamber 73 and the variable flow chamber 2. In this embodiment, the outlet body 8 is provided with a receiving cavity 83, and the bidirectional inlet valve 9 is located within the receiving cavity 83. When the bidirectional inlet valve 9 is open, the variable flow chamber 2 is connected to the inlet hole 82 on the outlet body 8 through the bidirectional inlet valve 9. In this way, the bidirectional inlet valve 9 can allow water to enter from the variable flow chamber 2 to the outlet hole 3, and also allow water to enter from the outlet hole 3 to the variable flow chamber 2. Therefore, as long as the bidirectional inlet valve 9 is set to only allow water to enter from the variable flow chamber 2 to the outlet hole 3 when water is flowing, and only allow water to enter from the outlet hole 3 to the variable flow chamber 2 when water is shut off, the normal water flow and water shut-off functions can be achieved.

[0058] To achieve the aforementioned one-way water inlet function, the two-way water inlet valve 9 has a first flow channel 91 and a second flow channel 92. When water is flowing through, the first flow channel 91 opens and the second flow channel 92 closes, and the variable flow chamber 2 is connected to the outlet hole 3 through the first flow channel 91. When the variable flow chamber 2 forms a negative pressure chamber, the second flow channel 92 opens and the first flow channel 91 closes, and the outlet hole 3 is connected to the variable flow chamber 2 through the second flow channel 92.

[0059] In this embodiment, the opening and closing of the first flow channel 91 and the second flow channel 92 can be achieved by utilizing the pressure changes between the variable flow chamber 2 and the outlet hole 3 when water is supplied and shut off. For example, when water is supplied, the pressure inside the variable flow chamber 2 increases, which can be used to drive the valve core 94 to open the first flow channel 91, or to keep the second flow channel 92 closed. At the instant the water is shut off, the variable flow chamber 2 forms a negative pressure chamber, which can be used to open the second flow channel 92. Furthermore, since the water pressure acting on the valve core disappears, the valve core can also reset and close the first flow channel 91. Specifically, the bidirectional water inlet valve 9 includes a first valve body 93 and a valve core 94; the first valve body 93 has a first flow channel 91, the valve core 94 has a second flow channel 92, and the valve core 94 is provided with a check plate 95 at the connection between the second flow channel 92 and the variable flow chamber 2; when water is supplied, the valve core 94 moves from the first position to the second position under the action of water pressure, and squeezes the elastic reset member (in this embodiment, a reset spring 96) sleeved on the valve core 94 to accumulate elastic reset force. Since the side wall of the valve core 94 is provided with a sealing member 941, and the water inlet side of the first flow channel 91 has a structure in which the opening diameter gradually increases along the water flow direction. Therefore, as the valve core 94 moves from the first position to the second position, as the inlet opening diameter of the first flow channel 91 increases, the seal 941 gradually separates from the inner wall of the first flow channel 91, thereby opening the connection between the first flow channel 91 and the variable flow chamber 2. At this time, the pressure of the variable flow chamber 2 is greater than or equal to the pressure of the outlet chamber 73, the check plate 95 closes, and the second flow channel 92 is also closed by the check plate 95.

[0060] At the instant the water is turned off (that is, during the time the valve core 94 moves from the second position to the first position), due to the decrease in water pressure in the variable flow chamber 2, the valve core 94 moves from the second position to the first position under the action of the return spring 96, thereby disconnecting the connection between the first flow channel 91 and the variable flow chamber 2. The pressure in the variable flow chamber 2 is less than the pressure in the outlet chamber 73. The pressure difference on both sides of the check plate 95 causes the periphery of the check plate 95 to arch, thus opening the check plate 95. The second flow channel 92 also opens, allowing the water outlet 3 and residual water in the outlet chamber 73 to flow into the variable flow chamber 2 through the second flow channel 92, achieving immediate water shut-off. As a simple alternative, the two-way inlet valve 9 can also be set in reverse, that is, when water is flowing, the check plate 95 is open, and the second flow channel 92 is open. When the water is turned off, the valve core 94 moves from the first position to the second position, and the first flow channel 91 opens.

[0061] In this embodiment, a bidirectional water inlet valve 9 can connect to the water inlet holes 82 in multiple areas, so as to... Figure 21 and 22For example, some of the bidirectional water inlet valves 9 in the diagram connect to the water inlet holes 82 in two areas, while others connect to the water inlet holes 82 in three areas. This reduces the number of bidirectional water inlet valves 9 required. In this embodiment, the structure that enables the variable flow chamber 2 to form a negative pressure chamber when the water is shut off is... Figures 1-13 The technical solutions described herein are the same, so they will not be repeated here.

[0062] The above is only one specific embodiment of the present utility model, but the design concept of the present utility model is not limited thereto. Any non-substantial modifications made to the present utility model using this concept shall be deemed as an infringement of the protection scope of the present utility model.

Claims

1. An arbitrary angle water closing stop assembly applied to a water closing stop water outlet device, when the water is closed, a water passage forms a negative pressure chamber, characterized in that include: Face cover, water outlet and two-way inlet valve; Ribs are provided on the face cover to divide the water outlet on the face cover into multiple areas. The water outlet body and the multiple areas on the face cover form a water outlet cavity, and the water outlet body is provided with a water inlet for each area. The bidirectional water inlet valve is located between the water passage cavity and the water outlet cavity. The bidirectional water inlet valve has a first flow channel and a second flow channel. When water is supplied, the first flow channel is open and the second flow channel is closed. The water supply chamber is connected to the water outlet through the first flow channel. When water is shut off, the water supply chamber forms a negative pressure chamber, the second flow channel is open and the first flow channel is closed, and the water outlet is connected to the water supply chamber through the second flow channel.

2. The arbitrary angle shut-off valve assembly of claim 1, wherein: The bidirectional water inlet valve includes a first valve body and a valve core; the first valve body has a first flow channel, the valve core has a second flow channel, and the valve core is provided with a check plate at the connection between the second flow channel and the water passage chamber; When water is supplied, the valve core moves from the first position to the second position under the action of water pressure, so as to open the connection between the first flow channel and the water supply chamber, and the check plate closes. When the water is turned off, the valve core moves from the second position to the first position to disconnect the connection between the first flow channel and the water passage chamber. The pressure in the water passage chamber is less than the pressure in the outlet hole, and the check valve opens.

3. The arbitrary angle shut-off valve stop assembly of claim 2, wherein: The valve core is provided with a sealing element on its side wall. When the valve core is in the first position, the sealing element is in contact with the inner wall of the first valve body.

4. The arbitrary angle shut-off valve stop assembly of claim 2, wherein: The valve core is connected to the first valve body through an elastic reset member. When the valve core moves from the first position to the second position, the elastic reset member accumulates elastic reset force.

5. The arbitrary angle shut-off valve stop assembly of claim 1, wherein: A two-way inlet valve is connected to at least one outlet.

6. The water shut-off component at any angle according to claim 1, characterized in that: The ribs on the cover are sealed to the water outlet so that each area on the cover is not interconnected.

7. A shut-off water outlet device, characterized in that It is equipped with the water shut-off component at any angle as described in any one of claims 1-6.

8. The stop valve type water outlet device according to claim 7, characterized in that: The water passage chamber is a variable water passage chamber, and the water outlet device is also provided with a variable non-flow chamber; the variable non-flow chamber is sealed and isolated from the variable water passage chamber by a second valve body driven by water pressure, and the variable non-flow chamber is connected to the atmosphere; the variable water passage chamber is connected to the water outlet hole of the water outlet device; When water is flowing through, the second valve body is driven by water pressure to move from the first position to the second position and compress the volume of the variable flow chamber; when water is turned off, the second valve body moves from the second position to the first position and compresses the volume of the variable non-flow chamber, thereby increasing the volume of the variable flow chamber to form a negative pressure chamber.

9. The shut-off water outlet device according to claim 8, characterized in that: A valve seat is provided inside the variable flow chamber, and the valve seat is connected to the second valve body through a return spring; during the process of the second valve body moving from the first position to the second position, the return spring is compressed and elastic return force is accumulated.

10. The water outlet device according to claim 9, characterized in that: During the process of the second valve body moving from the first position to the second position, or when the second valve body is in the second position, it can be combined with the valve seat to form a cavity; the valve seat is provided with a one-way valve at the position corresponding to the cavity; when the second valve body moves in the direction of decreasing cavity volume, the one-way valve opens to connect the variable flow water cavity; when the second valve body moves in the direction of increasing cavity volume or when the second valve body does not move, the one-way valve closes.

11. The water outlet device according to claim 10, characterized in that: The valve seat is also provided with a duckbill valve port; when the volume of the cavity decreases, the duckbill valve port closes; when the volume of the cavity increases, the duckbill valve port opens and connects to the atmosphere or the variable flow water cavity.

12. The water outlet device according to claim 10, characterized in that: A Y-shaped sealing ring is provided on the side of the valve seat. During the process of the second valve body moving from the first position to the second position or when it is in the second position, it fits and splices with the Y-shaped sealing ring to form the cavity.

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