Valve device

Abstract

A valve device, comprising: a valve seat (10) having a water distribution cavity (11) and provided with an inlet (18) leading to the water distribution cavity (11) and at least two water outlets (12) communicated with the water distribution cavity (11); at least two valves (20) configured to be capable of moving relative to the valve seat (10), to open or close the water outlets (12) of the valve seat (10); and a switching device (3a), provided with a pushing body (30) configured to be capable of moving in an axial direction to cause the valves (20) to move, and a stabilizing body (40) configured to be capable of stabilizing, at different stable positions, the valves (20) in an open or closed water outlet state. The valve device reduces the pressing force required during switching, achieves single-button control of the opening and closing of multiple valves, uses an integrated design, and has high modularity and a small size.

Description

A valve device

[0001] Related applications

[0002] This application claims priority to Chinese patent application filed on February 10, 2025, with application number 2025101461751 and entitled "A Valve Device", the entire contents of which are incorporated herein by reference. Technical Field

[0003] This application relates to a valve device. Background Technology

[0004] Traditional water flow switching mechanisms typically use a rotating distributor plate to direct water flow to different outlets. This design suffers from significant wear and friction during rotation, especially at high water pressures, where the pressure on the plate severely hinders rotation and negatively impacts user experience. Furthermore, because the distributor plate rotates continuously, all outlets must be roughly the same size to ensure a tight seal at any point on the plate. This severely limits the design versatility of the switching mechanism, restricting its shape, valve size, and switching force, and ultimately preventing the achievement of optimal water flow effects for different functions at varying flow rates. Summary of the Invention

[0005] To address the aforementioned technical problems, this application provides a valve device.

[0006] This application is achieved through the following technical solution:

[0007] A valve device includes: a valve seat having a water distribution chamber, an inlet leading to the water distribution chamber, and at least two outlets communicating with the water distribution chamber; at least two valves configured to move relative to the valve seat, the movement of which can open or close the outlets of the valve seat; a switching device having a pusher configured to move axially to move the valves; and a stabilizing body configured to stabilize the valves in different stable positions in an open or closed outlet state.

[0008] In this embodiment, the pushing body can move axially relative to the stabilizing body, and the movement of the pushing body can drive the stabilizing body to switch between different stable positions. The different stable positions of the stabilizing body are circumferentially distributed.

[0009] In this embodiment, the end of the pusher is provided with a first abutment and a second abutment having a height difference; as the pusher moves axially, the first abutment and the second abutment sequentially push different valves.

[0010] In this embodiment, an inclined surface is provided between the first abutting part and the second abutting part; during the reset movement of the valve, the inclined surface enables the first abutting part to switch from one valve to another.

[0011] In this embodiment of the application, the switching device further includes an actuator, the actuator being provided with a first ratchet, and the pusher being provided with a second ratchet that can engage with the first ratchet; the valve seat is also provided with a mating groove, and when the second ratchet is in the mating groove, the pusher moves along the axial direction of the actuator; when the second ratchet disengages from the mating groove, the engagement of the first ratchet and the second ratchet enables the pusher to perform circumferential movement.

[0012] In this embodiment, a mating ramp is provided between two adjacent mating slots. After the pusher moves circumferentially relative to the mating slot, the second ratchet can engage with the mating ramp, causing the pusher to move circumferentially again and the second ratchet to transfer from one mating slot to another adjacent mating slot. The pusher is also connected to a return spring, which can drive the pusher to move in the direction of the actuator.

[0013] In this embodiment, the valve is provided with an arc-shaped mating position, and the arc-shaped mating positions on each valve are arranged in a ring. The pushing body and / or stabilizing body can be inserted into the arc-shaped mating position, and the pushing body and / or stabilizing body abuts against the arc-shaped mating position, so that the corresponding valve is stabilized in the open or closed outlet state.

[0014] In this embodiment, the valve seat is further provided with a guide groove, and the valve is provided with a guide plate that can cooperate with the guide groove, so that the valve can stably open or close the outlet.

[0015] In this embodiment, the stabilizer is further provided with a boosting ramp, which can cooperate with the valve so that the valve pushes the stabilizer to rotate during the reset movement.

[0016] In this embodiment, the valve is further connected to a spring that can reset the valve away from the pushing direction of the pusher.

[0017] Details of one or more embodiments of this application are set forth in the following drawings and description. Other features, objects, and advantages of this application will become apparent from the specification, drawings, and claims. However, it should be ensured that the embodiments section contains descriptions corresponding to the effects and advantages of the original technology. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of this application, the drawings used in the description of the embodiments or prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 is a cross-sectional view of a valve device according to one or more embodiments of this application.

[0020] Figure 2 is an exploded view of a valve device described in one or more embodiments of this application.

[0021] Figure 3 is a schematic diagram of a valve seat described in one or more embodiments of this application.

[0022] Figures 4(a) to (d) are schematic diagrams of different motion trajectories between the pusher and the actuator described in one or more embodiments of this application.

[0023] Figure 5 is a schematic diagram of the internal structure of the valve seat according to an embodiment of this application.

[0024] Figure 6 is a schematic diagram of the internal structure of the valve seat according to another embodiment of this application.

[0025] Figure 7 is an exploded view of a portion of the structure shown in Figure 6.

[0026] Figure 8 is a schematic diagram of the internal structure of a valve seat with an overall water-tight function according to an embodiment of this application.

[0027] 10. Valve seat; 11. Water distribution chamber; 12. Water outlet; 13. Mating groove; 14. Mating inclined surface; 15. Guide groove; 18. Inlet; 20. Valve; 21. Arc-shaped mating position; 22. Guide plate; 23. Spring; 24. Sealing ring; 3a. Switching device; 30. Pushing body; 31. First abutment part; 32. Second abutment part; 33. Inclined surface; 34. Second ratchet; 35. Return spring; 40. Stabilizer; 41. Boosting inclined surface; 50. Actuator; 51. First ratchet; A. Axial direction. Detailed Implementation

[0028] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application 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 application, not all of them. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without inventive effort are within the scope of protection of this application. Therefore, the following detailed description of the embodiments of this application provided in the accompanying drawings is not intended to limit the scope of the claimed application, but merely represents selected embodiments of this application. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without inventive effort are within the scope of protection of this application.

[0029] In the description of this application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the equipment or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0030] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.

[0031] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "linking," 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 application according to the specific circumstances.

[0032] In this application, unless otherwise expressly 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 being 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 being 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.

[0033] Referring to the accompanying drawings, a valve device includes a valve seat 10 with a water distribution chamber 11. The valve seat 10 is provided with at least two cooperating valves 20 and a water outlet 12, as well as an inlet 18 leading to the water distribution chamber 11. Water flows from the inlet 18 to the water distribution chamber 11 and then flows out through the water outlet 12. The valves 20 are movable relative to the valve seat 10, and their movement can open or close the water outlet 12 of the valve seat 10. That is, the valves 20 can block the water outlet 12 to achieve water shut-off.

[0034] Meanwhile, in some embodiments, the valve device also includes a switching device 3a, which includes: 1. a pusher 30 configured to move along the axial direction A to move the valve 20; 2. a stabilizer 40 configured to stabilize the valve 20 in different stable positions in the open or closed outlet 12 state, wherein the stable position can be the position where the stabilizer 40 stops at the valve seat 10 after the switching device 3a ends, and there can be multiple such positions.

[0035] In some embodiments, the switching device 3a may further include a cooperating pusher 30 and a stabilizer 40. The pusher 30 and the stabilizer 40 can rotate synchronously relative to the valve seat 10. The pusher 30 can move axially A relative to the stabilizer 40 and the valve seat 10, meaning the stabilizer 40 can only rotate, while the pusher 30 can rotate and move. The stabilizer 40 can press against the valve 20, causing its cooperating outlet 12 to be in an open or closed state. When the outlet 12 is above the valve 20, the outlet 12 is in a closed state when the stabilizer 40 presses against the valve 20. When the outlet 12 is below the valve 20, the outlet 12 is in an open state when the stabilizer 40 presses against the valve 20. The pusher 30... Axial movement A can drive valve 20 to move, allowing stabilizer 40 to move between valves 20. In other words, stabilizer 40 can move from one valve 20 to another, holding the other valve 20 in place, or it can hold both valves 20 in place together, opening both outlets 12 and allowing mixed water flow. The movement of valve 20 within valve seat 10 can open or close outlet 12. In one embodiment, valve 20 can move up and down within valve seat 10 along a trajectory parallel to axial movement A, thus opening or closing outlet 12. It can also rotate, allowing for the raising and lowering of one end of valve 20 and outlet 12, controlling the water flow at outlet 12. Simply put, pusher 30 can move axially A relative to stabilizer 40, and this movement drives stabilizer 40 to switch between different stable positions, enabling the movement of different valves 20. The different stable positions of stabilizer 40 are circumferentially distributed.

[0036] In some examples, the stabilizer 40 can hold one valve 20, or the stabilizer 40 can hold two valves 20 at the same time. That is, water can be discharged from a single outlet 12, or water can be discharged from two outlets 12. Of course, one valve 20 can be omitted. In this case, the stabilizer 40 will not hold the valve 20, and the whole water is closed. That is to say, the valves 20 are distributed in a ring in the water distribution chamber 11, and the position of one valve 20 can be omitted. No outlet 12 is discharged at this position, so that the stabilizer 40 is in the water-closed state when it is in this position. Please refer to Figure 8 in the attached diagram of the instruction manual.

[0037] Furthermore, the end of the pusher 30 is provided with a first abutment portion 31 and a second abutment portion 32 with a height difference. As the pusher 30 moves axially A, the first abutment portion 31 and the second abutment portion 32 push different valves 20 in sequence. In one embodiment, the first abutment portion 31 is located above the second abutment portion 32. As the pusher 30 moves axially A, the first abutment portion 31 and the second abutment portion 32 can lift the valves 20 in sequence. In use, the first abutment portion 31 lifts its corresponding valve 20 first. When it rises to a certain height, the second abutment portion 32 abuts and cooperates with another valve 20. At this time, the two valves can be lifted at the same time, and finally multiple valves 20 can be lifted together. At this time, the valve 20 that is lifted first can be depressurized with the water flow in the water distribution chamber 11, which can reduce the force required for subsequent action.

[0038] In one embodiment, an inclined surface 33 is provided between the first abutment portion 31 and the second abutment portion 32. During the reset movement of the valve 20 (or when the valve 20 moves downward as shown in the figure), the inclined surface 33 allows the first abutment portion 31 to move from one valve 20 to another. When the actuator 50 is unloaded, most (or all) of the valves 20 move downward, and the inclined surface 33 prevents the valves 20 from descending too quickly. Without the inclined surface 33, the vertical surface between the first abutment portion 31 and the second abutment portion 32 would abut between the two valves 20, restricting the rotation of the stabilizer 40 and causing the overall function to fail. If there are three valves 20, the function can be: valve 1 opens → valve 2 opens → valve 3 opens → valve 1 opens, and so on, as shown in Figures 4(a) to (d) and Figure 5 in the accompanying drawings.

[0039] It should be noted that valve 1, valve 2 and valve 3 refer to the three different valves 20 distributed circumferentially in Figure 5.

[0040] In another embodiment, that is, when mixing water, it is necessary to lift two valves 20. If there are three valves 20, the function is as follows: valve 1 opens → valve 1, valve 2 opens → valve 2 opens → valve 2, valve 3 opens → valve 3 opens → valve 3, valve 1 opens → valve 1, and so on. Please refer to Figures 6 and 7 in the accompanying drawings.

[0041] It should be noted that valve 1, valve 2 and valve 3 refer to the three different valves 20 distributed circumferentially in Figure 6.

[0042] Furthermore, the switching device 3a also includes an actuator 50, which extends out of the valve seat 10. A first ratchet 51 is provided on the outer periphery of the actuator 50, and a second ratchet 34 that can engage with the first ratchet 51 is provided on the pusher 30. A mating groove 13 is also provided inside the valve seat 10. When the second ratchet 34 is in the mating groove 13, the pusher 30 moves along the axial direction A of the actuator 50. When the second ratchet 34 disengages from the mating groove 13, the engagement of the first ratchet 51 and the second ratchet 34 enables the pusher 30 to perform circumferential movement. In one use, the first ratchet 51 and the second ratchet 34 can be connected to the mating groove 13, so that the first ratchet 51 and the second ratchet can only move along the axial direction A within the mating groove 13, and rotation is restricted, thereby realizing the axial movement A of the actuator 50 and the pusher 30.

[0043] When the second ratchet 34 disengages from the mating groove 13, the engagement of the first ratchet 51 and the second ratchet 34 enables the pusher 30 to rotate. At this time, the rotation restriction of the second ratchet 34 is released, allowing the pusher 30 to rotate. See Figure 4(b) and (c) for details. Alternatively, the first ratchet 51 of the actuator 50 may remain in the mating groove 13, allowing the actuator 50 to move only along the axial direction A. When the pusher 30 is lifted by the actuator 50, the pusher 30 first moves axially A and then rotates. A mating ramp 14 is provided between two adjacent mating grooves 13. After the pusher 30 rotates relative to the mating groove 13, the second ratchet 34 can engage with the mating ramp 14, causing the pusher 30 to move circumferentially again, and the second ratchet 34 to move from one mating groove 13 to another adjacent mating groove 13. The pusher 30 is also connected to a return spring 35, which can drive the pusher 30 to move towards the actuator 50. Alternatively, the second ratchet 34 can engage with the mating ramp 14, at which time the second ratchet 34 is located above the mating ramp 14.

[0044] When the actuator 50 is released, the pusher 30 moves downward, causing the second ratchet 34 to engage with the mating inclined surface 14, causing the pusher 30 to rotate again and fall into another mating groove 13. This allows the second ratchet 34 to move from one mating groove 13 to another adjacent mating groove 13. The pusher 30 is also connected to a return spring 35, which can drive the pusher 30 to move towards the actuator 50. This mechanism forms a switching structure similar to a ballpoint pen.

[0045] The actuating body 30 and the stabilizing body 40 can act on the lower end face of the valve 20 to form an abutting fit. In some examples, the valve 20 is provided with an arc-shaped fitting position 21. The arc-shaped fitting positions 21 on each valve 20 are arranged in a ring. The actuating body 30 and / or the stabilizing body 40 can be inserted into the arc-shaped fitting position 21. The actuating body 30 and / or the stabilizing body 40 abut against the arc-shaped fitting position 21, so that the corresponding valve 20 is stabilized in the open or closed outlet 12 state. That is to say, the stabilizing body 40 and the actuating body 30 can be set in the same ring or in different rings, so that the corresponding valve 20 is lifted and its corresponding outlet 12 is in the open state. The arc-shaped fitting position 21 can be arc-shaped. The arc-shaped fitting position 21 not only forms a guiding function, but also ensures the stability of the valve 20 during movement. The valve seat 10 is also provided with a guide groove 15, and the valve 20 is provided with a guide plate 22 that can cooperate with the guide groove 15, so that the valve 20 can stably open or close the outlet 12 and realize the valve 20 to move up and down, which can also increase the guidance and stability of the valve 20 movement.

[0046] Furthermore, the stabilizer 40 is also provided with a booster ramp 41, which can be connected with the valve 20 so that the valve 20 pushes the stabilizer 40 to rotate during the reset movement, or in other words, the valve 20 pushes the stabilizer 40 to rotate when it descends.

[0047] Taking three valves 20 as an example, when the stabilizer 40 presses against valve 1, the other side of the stabilizer 40 (located on the other side of the booster ramp 41) can press against valve 2. When the actuator 50 is pushed, the first abutment part 31 first lifts valve 2, and valve 1 and stabilizer 40 do not move. When the heights of valve 1 and valve 2 are approximately the same, stabilizer 40 and pusher 30 begin to rotate, so that stabilizer 40 can move towards valve 2 and press against valve 2. During this process, the second abutment part 32 can lift valve 3. Then, the actuator 50 is released, stabilizer 40 and pusher 30 continue to rotate, and valve 1 begins to reset and move downward. Valve 1 can just act on the booster ramp 41 to help and drive stabilizer 40 and pusher 30 to rotate.

[0048] Furthermore, valve 20 is also connected to a spring 23 that can reset valve 20 away from the direction of pushing the pusher 30, or in other words, valve 20 is also connected to a spring 23 that can move valve 20 toward the outlet 12. Valve 20 is also provided with a sealing ring 24 that can cooperate with the outlet 12, which can improve the sealing effect.

[0049] More specifically, this application states that: the valve seat 10 is provided with a mating groove 13 and a mating inclined surface 14; the actuator 50 is movably disposed within the mating groove 13 along the axial direction A, and it only moves along the axial direction A without rotating; the second ratchet 34 of the pusher 30 is disposed within the mating groove 13 of the valve seat 10, and both have rotational limits. When the pusher 30 disengages from the mating groove 13, the rotational limit is released, allowing the pusher 30 to rotate. The pusher 30 abuts against the return spring 35. When pushed by the actuator 50, two motion stages occur. In motion stage 1, it moves along the mating groove 13 along the axial direction A. When the second ratchet 34 disengages from the mating groove 13 and loses its rotational limit, the pusher 30 partially rotates under the engagement of the first ratchet 51 and the second ratchet 34. In motion stage 2, under the action of the first spring and each mating inclined surface 14, it undergoes a spiral descent motion. After rotating a certain angle, the second ratchet 34 falls back into another mating groove 13. During this stage 2, the pushing force on the actuator 50 is removed. The stabilizer 40 and the pusher 30 have rotational limits, allowing only axial displacement A between them. During the first phase of the pusher 30's movement, the stabilizer 40 remains stationary before rotating at a small angle, as shown in Figures 4(b) and (c). During the second phase, the stabilizer 40 rotates circumferentially under the influence of the pusher 30, moving only within the area defined by the arc-shaped mating position 21 of the valve 20. Each valve 20 has a degree of freedom along its axis, allowing it to open or close its corresponding outlet 12. After the movement is complete, the valve 20 whose mating surface abuts against the stabilizer 40 opens or closes its outlet 12, while the other valves 20 close or open their respective outlets 12 under the action of the second spring or water pressure. The stabilizer 40 is positioned between the valve seat 10 and the mating surface of the valve 20, and moves only within the area defined by the arc-shaped mating position 21 of the valve 20. The pusher 30 has two stepped abutment parts that, during movement phase 1, sequentially abut against the mating surfaces of each valve 20 (i.e., the mating surfaces of the valve 20 with the pusher 30 and / or the stabilizer 40, which can be the bottom of the arc-shaped mating position 21). Opening the valves 20 sequentially helps reduce the impact of water pressure during the switching process, thus reducing the required pushing force. A stepped distribution is the optimal solution, but it can also be omitted. The valve seat 10 and valve 20 are each arbitrarily provided with guide grooves 15 or guide ribs to ensure the stability of the valve 20's opening or closing movement along axis A. The guide mechanism can also be located in other positions, as seen in the mixed water embodiment: guide grooves 15 or guide ribs are arbitrarily provided on the valve 20 and pusher 30. The stabilizer 40 can be provided with a booster ramp 41. During the descent of the previously opened valve 20, pressure drops onto this booster ramp 41, making it easier for the stabilizer 40 to rotate and switch to the next position.

[0050] In use, when the next valve 20 to be opened is initially closed, the valve 20 restricts the rotation of the stabilizer 40. This rotation restriction can only be released when the pusher 30 pushes the mating surfaces of the valve 20 that has been opened twice to be flush with or on top of the stabilizer 40.

[0051] In the case of the mixed water embodiment: each valve 20 is provided with a mating surface and an arc-shaped mating position 21. The mating surfaces and arc-shaped mating positions 21 are distributed circumferentially around the rotation axis, and the stabilizer 40 moves within the arc-shaped mating position 21.

[0052] Motion state: Pushing the actuator 50 causes the pusher 30 to first displace along its axis, then spiral downwards, rotating a certain angle before falling back onto the valve seat 10. The stabilizer 40, driven by the pusher 30, rotates circumferentially, moving to below the mating surface of the adjacent valve 20. The stabilizer 40 abuts against the mating surface of the adjacent valve 20, preventing it from closing the corresponding water outlet on the valve seat 10. Meanwhile, valves 20 whose mating surfaces are not abutted by the stabilizer 40 fall back onto the valve seat 10 under the action of springs or water pressure, closing the corresponding water outlet.

[0053] When the actuator 50 moves upward, the pusher 30 moves upward and the stabilizer 40 remains stationary; after the pusher 30 and the stabilizer 40 are disengaged from the rotation limit (that is, the second ratchet 34 moves away from the mating groove 13); when the force on the actuator 50 is removed, the pusher 30 spirals downward and the stabilizer 40 rotates at a certain angle.

[0054] When the initial state is mixed water, meaning both valves 20 are lifted, and the next valve 20 to be opened is initially open, then any one of the valves 20 in the mixed water will be opened. In this case, valve 20 has no rotational restriction on the stabilizer 40 (because the mating surfaces of the two valves are flush and pressed against the stabilizer 40). When the initial state is isolated water, and the next valve 20 to be opened is initially closed, then valve 20 has a rotational restriction on the stabilizer 40. This rotational restriction can only be released when the pushing body 30 pushes the mating surfaces of the two opened valves 20 to be flush (the mating surfaces are on top of the stabilizer 40).

[0055] In this application, the position of the outlet 12 on the valve seat 10 can be interchanged vertically, that is, at the upper or lower end of the valve 20. In the embodiment shown in the figure, the valve 20 is located at the upper end of the outlet 12, so when the valve 20 is lifted, the outlet 12 is in a water-flowing state; when the valve 20 is located at the lower end of the outlet 12, it is held down by the stabilizer 40, and the outlet 12 is in a closed state. The valve 20 can be configured to rotate within the valve seat 10, so that one end rotates vertically to achieve vertical movement, thereby opening or closing the outlet 12.

[0056] The foregoing description illustrates and describes preferred embodiments of this application. As previously stated, it should be understood that this application is not limited to the forms disclosed herein and should not be construed as excluding other embodiments. It can be used in various other combinations, modifications, and environments, and can be altered within the scope of the inventive concept described herein through the foregoing teachings or techniques or knowledge in related fields. Any modifications and variations made by those skilled in the art that do not depart from the spirit and scope of this invention should be within the protection scope of the appended claims.

Claims

1. A valve device, comprising: A valve seat having a water distribution chamber is provided with an inlet leading to the water distribution chamber and at least two outlets communicating with the water distribution chamber; At least two valves are configured to move relative to a valve seat, and their movement can open or close the outlet of the valve seat; The switching device includes a pusher configured to move along the axial direction to move the valve; and a stabilizer configured to stabilize the valve in different stable positions in an open or closed outlet state.

2. The valve device according to claim 1, wherein, The propulsive body can move axially relative to the stable body, and the movement of the propulsive body can drive the stable body to switch between different stable positions. The different stable positions of the stable body are circumferentially distributed.

3. A valve device according to claim 2, wherein, The end of the pusher is provided with a first abutment and a second abutment with a height difference; as the pusher moves axially, the first abutment and the second abutment sequentially push different valves.

4. A valve device according to claim 3, wherein, An inclined surface is provided between the first abutment part and the second abutment part; during the reset movement of the valve, the inclined surface enables the first abutment part to switch from one valve to another.

5. A valve device according to claim 1, wherein, The pushing body and the stabilizing body can rotate synchronously relative to the valve seat, and the pushing body can move axially relative to the stabilizing body and the valve seat; the stabilizing body can hold the valve in place, so that the corresponding outlet is in an open or closed state.

6. A valve device according to claim 5, wherein, The stabilizer can hold the valve in place; or, the stabilizer can hold both valves in place simultaneously.

7. A valve device according to any one of claims 1-6, wherein, The switching device further includes an actuator, which is provided with a first ratchet, and the pusher is provided with a second ratchet that can engage with the first ratchet; the valve seat is also provided with a mating groove, and when the second ratchet is in the mating groove, the pusher moves along the axial direction of the actuator; when the second ratchet disengages from the mating groove, the engagement of the first ratchet and the second ratchet enables the pusher to perform circumferential movement.

8. A valve device according to claim 7, wherein, A mating ramp is provided between two adjacent mating slots. After the pusher moves circumferentially relative to the mating slot, the second ratchet can engage with the mating ramp, causing the pusher to move circumferentially again and the second ratchet to transfer from one mating slot to another adjacent mating slot. The pusher is also connected to a return spring, which can drive the pusher to move in the direction of the actuator.

9. A valve device according to any one of claims 1-8, wherein, The valve is provided with an arc-shaped mating position, and the arc-shaped mating positions on each valve are arranged in a ring. The pusher and / or stabilizer can be inserted into the arc-shaped mating position, and the pusher and / or stabilizer abuts against the arc-shaped mating position, so that the corresponding valve is stabilized in the open or closed outlet state.

10. A valve device according to claim 9, wherein, The valve seat is also provided with a guide groove, and the valve is provided with a guide plate that can cooperate with the guide groove, so that the valve can stably open or close the outlet.

11. A valve device according to any one of claims 1-10, wherein, The stabilizer is also provided with a boosting ramp, which can cooperate with the valve so that the valve pushes the stabilizer to rotate during the reset movement.

12. A valve device according to claim 11, wherein, The valve is also connected to a spring that can reset the valve away from the pushing direction of the pusher.

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