Water outlet device, shower head, driving device and water path switching method

Abstract

The application discloses a water outlet device, a shower top spray, a driving device and a water path switching method. The water outlet device comprises a water path switching mechanism, a water distribution mechanism and two mechanisms. The water distribution mechanism is driven to act by the water path switching mechanism; the water outlet device is closed and the duration exceeds t, the first mechanism acts and first abuts against the water path switching mechanism to drive the water path switching mechanism to act in the first direction, the second mechanism acts and then selects whether to drive the water path switching mechanism to act in the second direction; the water outlet device is closed and the duration does not exceed t, only the first mechanism acts and abuts against the water path switching mechanism to drive the water path switching mechanism to act in the first direction. It can provide convenience for user use.

Description

Technical Field

[0001] This invention relates to the field of bathroom fixtures technology, and in particular to a water outlet device, a shower head, a drive device, and a water circuit switching method. Background Technology

[0002] A top-mounted shower head is a water jet installed on the ceiling. The design of a top-mounted shower head is mainly to enrich the shower experience by providing a large area of ​​water coverage, so that users can feel a rain-like effect when showering.

[0003] Existing overhead showerheads can switch water flow effects, with the main process being as follows: the water path automatically switches between different effects the instant the water is turned off and on. However, after the water is turned off for a period of time, these overhead showerheads automatically reset and switch back to the initial water flow effect, failing to maintain the effect before the water was turned off. This can be inconvenient for users who need to use the same water flow effect intermittently over a longer period.

[0004] Therefore, there is an urgent need for a water outlet device, a shower head overhead spray, and a water path switching method to solve the above problems. Summary of the Invention

[0005] According to one aspect of the present invention, the objective is to overcome the shortcomings of the prior art.

[0006] To achieve this objective, the present invention employs one of the following technical solutions: a water outlet device, comprising:

[0007] Waterway switching mechanism;

[0008] The water distribution mechanism is connected to the water path switching mechanism, and the action of the water path switching mechanism drives the action of the water distribution mechanism; and

[0009] The first mechanism and the second mechanism are capable of engaging the waterway switching mechanism and driving the waterway switching mechanism to operate.

[0010] Wherein: the water outlet device shuts off the water and the duration exceeds t, the first mechanism acts and first abuts the water circuit switching mechanism to push the water circuit switching mechanism to move in the first direction, the second mechanism acts and then selects whether to push the water circuit switching mechanism to move in the second direction, the first direction and the second direction are opposite;

[0011] When the water outlet device shuts off the water and the duration does not exceed t, only the first mechanism operates and abuts against the water path switching mechanism to push the water path switching mechanism to move in the first direction.

[0012] The water path switching mechanism is rotatable and includes a rotatable ratchet. The first mechanism and the second mechanism can abut against the ratchet and drive the water path switching mechanism to rotate.

[0013] The ratchet is provided with circumferential ratchet teeth, which are divided into a first circumferential ratchet tooth and a second circumferential ratchet tooth with opposite ratchet directions. The first and second circumferential ratchet teeth are arranged circumferentially at intervals. The number of the first circumferential ratchet teeth is N times the number of the second circumferential ratchet teeth, where N is a natural number not less than 2. The first mechanism pushes the water channel switching mechanism to rotate in the first direction by abutting the first circumferential ratchet tooth. When the second circumferential ratchet tooth is abutted by the second mechanism, the second mechanism pushes the water channel switching mechanism to rotate in the second direction. When it is not abutted, the water channel switching mechanism remains stationary.

[0014] The first and second circumferential ratchet teeth are arranged in a circular array. After the first mechanism pushes the waterway switching mechanism to rotate, it disengages from the ratchet.

[0015] The first mechanism includes a sliding first shaft, the first shaft is provided with a second protrusion, and a fixed first guide post is also provided. The first shaft moves as follows: first, the first shaft abuts against the first circumferential ratchet to push the water channel switching mechanism to rotate, and then the second protrusion is pushed by the first guide post to disengage the first shaft from the ratchet.

[0016] The first shaft is also provided with a first protrusion and another fixed first guide post. During the movement of the first shaft: firstly, the first protrusion acts on the other first guide post to make the first shaft push the water channel switching mechanism to rotate, and then the second protrusion is pushed by the first guide post.

[0017] N-1 toothless sections are provided between each pair of adjacent second circumferential ratchet teeth. The central angles corresponding to the first circumferential ratchet teeth, the second circumferential ratchet teeth, and the toothless sections are equal. The ratchet wheel does not move when the second mechanism corresponds to the toothless section.

[0018] The first mechanism includes a first control chamber, a first shaft slidably connected to the first control chamber, and a first elastic element. When water enters, the water force exerted by the water in the first control chamber on the first shaft is greater than the elastic force of the first elastic element. The force difference drives the first shaft away from the water path switching mechanism. When the water is turned off, the first control chamber drains water and the first elastic element drives the first shaft to reset, abutting against the first circumferential ratchet to push the water path switching mechanism to rotate.

[0019] The second mechanism includes a second control chamber, a second shaft slidably connected to the second control chamber, and a second elastic element. When water enters, the water in the second control chamber acts on the second shaft with a force greater than the elastic force of the second elastic element. The force difference drives the second shaft away from the water switching mechanism. When the water is turned off, the second control chamber drains water and the second elastic element drives the second shaft to reset. When the second circumferential ratchet is abutted by the second shaft, it can push the water switching mechanism to rotate.

[0020] After the water is turned off, the drainage speed of the first control chamber is greater than that of the second control chamber.

[0021] The first control chamber is connected to a first drain valve, through which the first control chamber drains water; the second control chamber is connected to a second drain valve, through which the second control chamber drains water; the drainage speed of the first drain valve is greater than the drainage speed of the second drain valve.

[0022] It includes multiple water outlets, and the water distribution mechanism is activated by the rotation of the water circuit switching mechanism to select one water outlet to open.

[0023] The water distribution mechanism includes multiple pilot valves. Each pilot valve is equipped with a sliding third shaft and a main channel. The opening and closing of the main channel is controlled by switching the pilot valves on and off. The opening and closing of the pilot valves is controlled by sliding the third shaft. At least one third shaft is slidable by rotating the water circuit switching mechanism.

[0024] The pilot valve includes a pilot valve body and a pressure relief channel. The pilot valve body moves between an open position and a closed position to control the opening and closing of the pilot valve. The space inside the pilot valve and on the pilot valve body forms a cavity, and the pilot valve body has a gap. The pressure relief channel is connected to the cavity, and the third shaft controls the opening and closing of the pressure relief channel. When the pressure relief channel is open, the cavity is depressurized to drive the pilot valve body to the open position. When the pressure relief channel is closed, the water inlet of the water inlet mechanism enters the cavity through the gap to drive the pilot valve body to the closed position.

[0025] The water distribution mechanism includes a water distribution valve assembly, which includes a sliding third shaft. The water distribution valve assembly is controlled by rotating the water path switching mechanism to drive the third shaft to slide.

[0026] The number of water distribution valve assemblies is multiple, and each water distribution valve assembly is equipped with a water outlet. The water circuit switching mechanism rotates to selectively drive the third shaft to slide, thereby opening the water outlet corresponding to the selected water distribution valve assembly.

[0027] The water distribution valve assembly is provided with at least two water outlets, and the water outlets are switched by sliding the third axis.

[0028] The water path switching mechanism is provided with multiple control slots along the circumference, and the water path switching mechanism rotates to control the sliding of the third axis through the multiple control slots.

[0029] The water distribution valve assembly also includes a movable ball and a third elastic element. The movable ball is located between one end of the third shaft and the water path switching mechanism. The third elastic element abuts against the other end of the third shaft. When the water path switching mechanism rotates to the point where any control slot is directly opposite the movable ball, the movable ball moves to the control slot under the action of the third elastic element, and the third shaft slides to open the corresponding water outlet.

[0030] To achieve this objective, the present invention adopts the following second technical solution: a shower head top spray, including a shower head housing, a face cover, and the aforementioned water outlet device. The water outlet device further includes a water inlet mechanism and a water distribution body. The shower head housing and face cover enclose an installation space. The water distribution body is provided with multiple water outlet chambers corresponding to multiple water outlet effects. The water inlet mechanism is located on the top of the shower head housing and can realize water inlet into the installation space. The water outlet device is located in the installation space and can discharge water through any of the water outlet chambers.

[0031] To achieve this objective, the present invention adopts the following third technical solution: a driving device, comprising:

[0032] Water inlet mechanism;

[0033] Movable components;

[0034] The first and second mechanisms are capable of contacting and propelling the movable component.

[0035] Both the first and second mechanisms are connected to the water inlet mechanism. When the water is turned off and the duration exceeds t, the first mechanism operates and first pushes the movable part to move in the first direction. The second mechanism operates and then selects whether to push the movable part to move in the second direction. The first and second directions are opposite. When the water is turned off and the duration does not exceed t, only the first mechanism pushes the movable part to move in the first direction.

[0036] The movable component is a rotatable ratchet, and the first mechanism and the second mechanism can abut against the ratchet and drive the ratchet to rotate.

[0037] To achieve this objective, the present invention adopts the following fourth technical solution: the water path switching method of the water outlet device includes:

[0038] S1, Water enters the water outlet device;

[0039] S2. When the first mechanism and the second mechanism are away from the water circuit switching mechanism, the water outlet device is in either the first water outlet state or the second water outlet state.

[0040] S3. The water outlet device shuts off the water, and selects either the first water outlet state or the second water outlet state based on whether the water shut-off duration exceeds t:

[0041] If the water flow exceeds t and the water flow is in the first water outlet state before shutting off, the first mechanism will activate and first engage the first circumferential ratchet to push the water path switching mechanism to rotate in the first direction and switch to the second water outlet state. The second mechanism will activate and then engage the second circumferential ratchet to push the water path switching mechanism to rotate in the second direction and switch back to the first water outlet state.

[0042] If the water flow exceeds t and the water outlet is in the second outlet state before shutting off, the first mechanism will activate and first engage with the first circumferential ratchet to push the water path switching mechanism to rotate in the first direction and switch to the first outlet state. If the second mechanism activates and then does not engage with the second circumferential ratchet, the water path switching mechanism will remain stationary and remain in the first outlet state.

[0043] If the time limit is not exceeded, only the first mechanism drives the water circuit switching mechanism to operate and drives the water distribution mechanism to operate to switch the water outlet state.

[0044] The beneficial effects of this invention are as follows: The water outlet device includes a water path switching mechanism, a water distribution mechanism, a first mechanism, and a second mechanism. The water path switching mechanism can operate to drive the water distribution mechanism, thereby switching the water outlet effect. If the water is turned off and the water-off duration exceeds t, the first mechanism first pushes the water path switching mechanism to move in the first direction, and then the second mechanism selects whether to push the water path switching mechanism to move in the second direction; if it does not exceed t, only the first mechanism pushes the water path switching mechanism to move in the first direction. Therefore, the water distribution mechanism can be controlled by whether the duration exceeds t and whether the second mechanism pushes the water path switching mechanism, which facilitates the control design of water path switching and provides convenience for users. The first and second annular ratchet teeth of the ratchet have opposite tooth directions, and the number of the first annular ratchet teeth is N times the number of the second annular ratchet teeth. Each action of the first mechanism engages the first annular ratchet teeth to push the ratchet to rotate in the first direction, while the action of the second mechanism only pushes the ratchet to rotate in the second direction when it engages the second annular ratchet teeth. When it does not engage, the ratchet does not move. If the water is shut off and the water shut-off time exceeds t, the first mechanism engages first, followed by the second mechanism engaging or not engaging. If it does not exceed t, only the first mechanism operates. Therefore, the water circuit switching mechanism can be driven and the water distribution mechanism controlled by whether the duration exceeds t and whether the second mechanism engages the second annular ratchet teeth. This facilitates the control design of water circuit switching and provides convenience for users. Attached Figure Description

[0045] Figure 1 This is an exploded view of the overhead shower provided in an embodiment of the present invention;

[0046] Figure 2 This is a partial structural schematic diagram (from a bottom view) of the water outlet device and water distribution body provided in an embodiment of the present invention;

[0047] Figure 3 This is a partial structural diagram of the water outlet device and water distribution body provided in an embodiment of the present invention. Figure 1 (Top view angle);

[0048] Figure 4 This is a partial structural diagram of the water outlet device and water distribution body provided in an embodiment of the present invention. Figure 2 (Top view angle);

[0049] Figure 5This is a partial structural diagram of the water outlet device and water distribution body provided in an embodiment of the present invention. Figure 3 (Top view angle);

[0050] Figure 6 This is a partial structural diagram of the water outlet device and water distribution body provided in an embodiment of the present invention. Figure 4 (Top view angle);

[0051] Figure 7 yes Figure 3 A magnified view of the structure marked J in the middle;

[0052] Figure 8 This is a schematic diagram of the structure of the first mechanism, the second mechanism, and the waterway switching mechanism provided in this embodiment of the invention. Figure 1 ;

[0053] Figure 9 This is a schematic diagram of the structure of the first mechanism, the second mechanism, and the waterway switching mechanism provided in this embodiment of the invention. Figure 2 ;

[0054] Figure 10 This is a schematic diagram of the ratchet structure provided in an embodiment of the present invention;

[0055] Figure 11 This is a bottom view of the overhead shower provided in an embodiment of the present invention;

[0056] Figure 12 yes Figure 11 Sectional view along the middle AA direction;

[0057] Figure 13 yes Figure 11 Sectional view along the BB direction;

[0058] Figure 14 yes Figure 11 A cross-sectional view along the CC direction;

[0059] Figure 15 yes Figure 11 Sectional view along the DD direction;

[0060] Figure 16 yes Figure 12 A magnified view of a section marked E in the middle;

[0061] Figure 17 yes Figure 13 A magnified view of a section marked F in the middle;

[0062] Figure 18 yes Figure 14 A magnified view of a section marked G in the middle;

[0063] Figure 19 yes Figure 15 A magnified view of a section marked H;

[0064] Figure 20 yes Figure 15 A magnified view of a section marked with the structure I;

[0065] Figure 21 This is a partial structural cross-section of the overhead shower provided in Embodiment 2 of the present invention. Figure 1 ;

[0066] Figure 22 This is a partial structural cross-section of the overhead shower provided in Embodiment 2 of the present invention. Figure 2 . Detailed Implementation

[0067] The technical solution of the present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0068] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. The components of the embodiments of the present invention described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0069] Therefore, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the invention without inventive effort are within the scope of protection of the invention.

[0070] It should be noted that similar reference numerals and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures. In the description of this invention, it should be noted that the terms "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the figures, or the orientation or positional relationship commonly used when the product of the invention is in use. They are only for the convenience of describing the invention and simplifying the description, and do not indicate or imply that the device 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 the invention. Furthermore, the terms "first," "second," and "third," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance. In the description of this invention, unless otherwise stated, "a plurality of" means two or more.

[0071] In the description of this invention, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "connect," and "fix" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0072] 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.

[0073] In this embodiment, the term "and / or" is merely a description of the relationship between associated objects, indicating that three relationships can exist. For example, A and / or B can represent: A existing alone, A and B existing simultaneously, or B existing alone. Additionally, in this invention, the character " / " generally indicates that the preceding and following associated objects have an "or" relationship.

[0074] Embodiments of the present invention are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0075] Example 1

[0076] Reference Figure 1 This embodiment provides a water outlet device and a shower head overhead spray. The shower head overhead spray includes the water outlet device provided in this embodiment.

[0077] The overhead shower includes a shower housing 10, a water outlet device, and a faceplate 50. The water outlet device includes a water inlet mechanism 20, a water distribution body 30, a water distribution base 40, and a water outlet faceplate 60. The shower housing 10 and faceplate 50 form an installation space, within which the water distribution body 30 and water distribution base 40 are housed. The water distribution body 30 has multiple water outlet chambers 13 corresponding to the various water outlet effects. The water inlet mechanism 20 is located on top of the shower housing 10 to connect to a water source. The water distribution base 40 is located below the water distribution body 30 and has multiple water outlet holes 41 for water outlet. The water outlet faceplate 60 is located below the water distribution base 40, away from the water distribution body 30, and has multiple water outlet nozzles 61 for water outlet. The number of water outlet nozzles 61 is greater than the number of water outlet holes 41 on the water distribution base 40.

[0078] The water inlet mechanism 20 includes an inlet nut 21, an inlet ball head 22, and an inlet seat 23. The inlet seat 23 is located on the top of the shower head housing 10, the inlet nut 21 is screwed onto the inlet seat 23, and the inlet ball head 22 is disposed in the inlet nut 21 and the inlet seat 23. The inlet nut 21 and the inlet seat 23 can press the inlet ball head 22 tightly, and the inlet ball head 22 can be threaded to the inlet pipe (not shown in the figure). The inlet ball head 22 is movably embedded in the top of the inlet seat 23, which facilitates the adjustment of the relative angle between the shower head housing 10 and the inlet ball head 22, that is, the adjustment of the water outlet angle of the shower head.

[0079] Reference Figures 2-22 The water outlet device has multiple cavities 1 corresponding to multiple water outlet effects, and each cavity 1 has a corresponding water outlet 12, which is connected to a water outlet chamber 13. The water outlet device provided in this embodiment includes a water path switching mechanism 110, a water distribution mechanism, a first mechanism 200, and a second mechanism 300. In this embodiment, the water path switching mechanism 110 is rotatable and includes a ratchet, which can actuate to drive the water distribution mechanism to selectively open the water outlet 12 of the corresponding cavity 1.

[0080] The water outlet device includes a switching space and a water distribution space. The water path between the switching space and the water distribution space is not connected. The water path switching mechanism 110 is located in the switching space, and the water distribution mechanism is located in the water distribution space.

[0081] The first mechanism 200 and the second mechanism 300 can drive the water path switching mechanism 110 to perform opposite actions respectively. After the water outlet device in the open water state is turned off, it will not turn on again or will turn on again after a period of time, that is, the water is turned off and the water-off time exceeds the predetermined time t. After the water is turned off, the first mechanism 200 moves to the first position to abut against the first circumferential ratchet 111 to push the water path switching mechanism 110 to rotate in the first direction, driving the water distribution mechanism to switch the water outlet state. The second mechanism 300 moves to the second position and pushes the water path switching mechanism 110 to rotate in the second direction when the second circumferential ratchet 112 is abutted by the second mechanism 300. The first direction and the second direction are opposite, wherein: (1) when the second circumferential ratchet 112 is abutted, the water path switching mechanism 110 is pushed to rotate in the second direction to switch again and return to the state before the water is turned off; (2) when the second circumferential ratchet 112 is not abutted (corresponding to the toothless part 1121), the water path switching mechanism 110 does not move to maintain the state switched by the action of the first mechanism 200. t can be 5 seconds, 10 seconds, or other times, and can be designed according to market demand. When the water outlet device is in the hot water state, it quickly turns the water back on after turning it off, meaning the water is turned off for a duration not exceeding the predetermined time t. After the water is turned off, only the first mechanism 200 abuts against the first circumferential ratchet 111 to push the water path switching mechanism 110 to rotate in the first direction, driving the water distribution mechanism to switch the water outlet state. Circularly and rapidly switching the water on and off achieves cyclical switching of the water outlet state ("the second mechanism does not operate" or "operates but is not in place"). In this embodiment, the first mechanism 200 is an instantaneous switching mechanism, and the second mechanism 300 is a delayed switching mechanism. Through the operation of the above-mentioned water distribution mechanism, the water outlet of cavity 1 can be selectively controlled to achieve different water outlet effects. The first mechanism 200 enables cyclical switching of the water outlet effect during continuous and rapid switching on and off of the water outlet device (within t). Through the cooperation of the second mechanism 300 and the first mechanism 200, and by determining whether or not they engage with the second circumferential ratchet 112, the water outlet device can be controlled to produce a predetermined water outlet effect (as described below for a shower head) when it is switched off and then reopened for an extended period (exceeding t), providing convenience for the user. When the water outlet device is in operation, the second mechanism 300 and the first mechanism 200 are moved away from the water path switching mechanism 110, and the water path switching mechanism 110 remains stationary. When the water outlet device is switched off, the first mechanism 200 and the second mechanism 300 move towards the water path switching mechanism 110 and move sequentially to their positions (engaging with the ratchet), or only the first mechanism 200 moves to its position (engaging with the ratchet).

[0082] Reference Figure 15 , Figure 19 , Figure 20 The water distribution mechanism includes multiple water distribution valve assemblies. Each water distribution valve assembly includes a third shaft 120, which corresponds to the cavity 1. When the water path switching mechanism 110 rotates, it can selectively drive the third shaft to open the corresponding outlet 12 of the cavity 1. In this embodiment, the third shaft 120 is a functional valve shaft.

[0083] In this embodiment, the water distribution valve assembly is disposed on the water distribution body 30, and it also includes a functional valve body 150 and a sealing ring 160. The water distribution body 30 is provided with a mounting groove 31, such as... Figures 3-6 , Figure 15 , Figure 19 , Figure 20 As shown, the water distribution valve assembly is disposed in the mounting groove 31, and the third shaft 120 is coaxially and movably inserted through the functional valve body 150. The sealing ring 160 is arranged around the third shaft 120. When the third shaft 120 moves along the axial direction of the functional valve body 150 away from the water circuit switching mechanism 110, the sealing ring 160 can abut against the side wall of the functional valve body 150, thereby blocking the pressure relief channel 11. Figure 20 As shown; when the third shaft 120 moves along the axial direction of the functional valve body 150 toward the direction close to the water circuit switching mechanism 110, the sealing ring 160 can disengage from the side wall of the functional valve body 150, thereby opening the pressure relief channel 11, as shown. Figure 19 As shown.

[0084] Reference Figure 8 , Figure 15 The water distribution valve assembly also includes a movable ball 130. The movable ball 130 corresponds one-to-one with the third shaft 120 and is located between one end of the third shaft 120 and the water circuit switching mechanism 110. The other end of the third shaft 120 is provided with a third elastic element 140. In this embodiment, the third elastic element 140 is a functional valve shaft elastic element. The water circuit switching mechanism 110 has multiple control slots 113 arranged in a circumferential array. When the movable ball 130 corresponds to the "protruding tooth located between two adjacent control slots 113", the third elastic element 140 is compressed, and the third shaft 120 is in the first position of the corresponding closed state. When the water circuit switching mechanism 110 rotates to the point where any control slot 113 is directly opposite the movable ball 130, the movable ball 130 can move into the control slot 113 under the action of the third elastic element 140, and the third shaft 120 can move towards the water circuit switching mechanism 110 to open the pressure relief channel 11 and open the outlet 12 of the corresponding cavity 1. The third shaft 120 is in the second position of the corresponding open state. Figure 19 As shown.

[0085] Reference Figure 1 , Figure 14 and Figure 18The water distribution mechanism also includes multiple pilot valves 400. Each pilot valve 400 corresponds to a cavity 1, and the cavity 1 constitutes the pressure chamber of the pilot valve 400. The pilot valve 400 includes a pilot valve body 410, and the space above the pilot valve body 410 within the pilot valve 400 constitutes the pressure chamber. The pilot valve is opened and closed by moving the pilot valve body 410 between the open and closed positions. The pilot valve body 410 has a gap 411. When water enters the shower head, the water from the water inlet mechanism 20 first enters the water inlet channel 201, and then enters the corresponding pressure chamber through the gaps 411 of the multiple pilot valves 400 (such as entering the gap 411 from the annular cavity 401 of the water inlet channel 201). Because the pressure relief channel is blocked, the pilot valve body 410 moves downward to the blocked position under the water pressure of the pressure chamber, thereby blocking the annular cavity 401 and the outlet 12. Since the water inlet flow rate of the gap 411 is less than the water outlet flow rate of the pressure relief channel 11, the pressure relief speed is greater than the water inlet speed relative to the water inlet and the pressure relief speed. Therefore, the movement stroke of the functional valve shaft can be relatively short, which can shorten the switching stroke of the functional valve shaft.

[0086] Reference Figure 19 and Figure 20 One end of the pressure relief channel 11 is connected to the pressure chamber, and the third shaft 120 can control the opening and closing of the pressure relief channel 11. The rotation of the water circuit switching mechanism 110 drives the third shaft 120 to control the opening and closing of the pressure relief channel 11, thereby controlling whether the pressure chamber of the pilot valve 400 is depressurized, and thus controlling the opening and closing of the pilot valve 40. Before depressurization, under the action of water pressure in the pressure chamber (specifically, the water pressure force of the pressure chamber + the elastic force of the opening and closing elastic element 420 - the water pressure force of the annular cavity 401), the main flow channel 403 of the pilot valve is closed. At this time, the outlet 12 and the inlet mechanism 20 corresponding to the pilot valve are disconnected. When the pressure chamber is depressurized (specifically, the water pressure force of the annular cavity 401 - the elastic force of the opening and closing elastic element 420), the main flow channel 403 of the pilot valve opens. At this time, the outlet 12 and the inlet mechanism 20 (such as the annular cavity 401 of the pilot valve) are connected. The water in the main flow channel 403 of the pilot valve and the pressure relief channel 11 converge downstream, such as in the outlet cavity 13 downstream, and the water output effect corresponding to the outlet cavity 13 is achieved. In this embodiment, the third axis of the selective water distribution valve assembly is controlled to slide by the water circuit switching mechanism 110, thereby opening the pressure relief channel 11 of the pilot valve corresponding to the selective water distribution valve assembly. This allows the pressure chamber of the pilot valve corresponding to the selective water distribution valve assembly to be depressurized, thus opening the pilot valve and connecting the outlet and inlet of the pilot valve to allow water to flow from the outlet chamber 13 of the pilot valve, resulting in the desired water flow effect. However, this is not a limitation; the water circuit switching mechanism 110 can also drive the water distribution plate to rotate, directly achieving water circuit switching by rotating the water distribution plate (which has through holes and multiple water distribution holes, with the through holes aligned or staggered to select one water distribution hole, from which water flows).

[0087] The pilot valve 400 also includes an opening and closing elastic element 420, which is coaxial with and abuts against the pilot valve body 410. The opening and closing elastic element 420 is located above the pilot valve body 410, i.e., within the pressure chamber. When the water in the pressure chamber flows out through the corresponding pressure relief channel 11 to relieve pressure, the opening and closing elastic element 420 is compressed under water pressure. The water pressure force in the annular cavity 401 is greater than the elastic force of the opening and closing elastic element 420. At this time, the pilot valve body 410 moves upward to the open position under water pressure. The water in the pilot valve main channel 403 and the pressure relief channel 11 corresponding to this pressure chamber converge and flow out downstream.

[0088] The opening and closing elastic element 420 includes a spiral segment, which is also connected to a drain rod 421. The drain rod 421 can extend into the gap 411. When the pilot valve body 410 moves under the action of water pressure changes in the pressure chamber, the spiral segment can be compressed, and the pilot valve body 410 can slide, allowing the drain rod 421 to slide within the gap 411. Through the drain rod 421, scale or impurities in the gap 411 can be removed during each compression and recovery process of the opening and closing elastic element 420, preventing blockage of the gap 411. The pilot valve body 410 may include a diaphragm 4001 and a vertically movable valve seat 4002. The valve seat 4002 and the diaphragm 4001 are joined together in the middle area, the periphery of the diaphragm 4001 is fixed, and the gap 411 is fixedly passed through the valve seat 4002 and the diaphragm 4001.

[0089] Reference Figure 1 , Figures 3-6 , Figures 12-13The first mechanism 200 and the second mechanism 300 can respectively push the water path switching mechanism 110 to rotate in different directions. After the shower head is turned off for a period of time (t) when it is in the hot water state, the first mechanism 200 moves first to engage with the first circumferential ratchet 111 to push the water path switching mechanism 110 to rotate in the first direction, causing the water distribution mechanism to switch the water output state. The second mechanism 300 moves later and when the second circumferential ratchet 112 is engaged by the second mechanism 300, it pushes the water path switching mechanism 110 to rotate in the second direction. The first direction and the second direction are opposite. Among them: (1) when the second circumferential ratchet 112 is engaged, the water path switching mechanism 110 is pushed to rotate in the second direction to switch again and return to the state before the water is turned off; (2) when the second circumferential ratchet 112 is not engaged (corresponding to the toothless part 1121), the water path switching mechanism 110 does not move to maintain the state switched by the action of the first mechanism 200. It should be noted that after the first shaft 220 completes the driving of the water circuit switching mechanism 110, it can disengage from the water circuit switching mechanism 110. Separation from the first circumferential ratchet 111 facilitates the subsequent driving of the water circuit switching mechanism 110 by the second shaft 320. The engagement / disengagement state is achieved by controlling whether or not the water is separated. When the shower head is in the hot water state, after the water is turned off, it is quickly (less than t) turned on again. The first mechanism 200 abuts against the circumferential ratchet 111 to push the water circuit switching mechanism 110 to rotate in the first direction, switching the water output effect. Continuously and rapidly switching the water on and off continuously switches the water output effect.

[0090] Reference Figure 1 , Figures 3-10The waterway switching mechanism 110 is provided with a first circumferential ratchet 111 and a second circumferential ratchet 112. The ratchet direction of the first circumferential ratchet 111 is opposite to that of the second circumferential ratchet 112. The first mechanism 200 and the second mechanism 300 are arranged opposite to each other, and the waterway switching mechanism 110 is disposed between the first mechanism 200 and the second mechanism 300. For example, the first mechanism 200 and the second mechanism 300 are respectively arranged on both sides of the waterway switching mechanism 110 (e.g., respectively arranged on the left and right sides), and located on the same side of the rotation axis (e.g., both located on the front side, or both located on the rear side). In this embodiment, the first circumferential ratchet 111 and the second circumferential ratchet 112 are arranged in an array. The number of first circumferential ratchet 111 is N times the number of second circumferential ratchet 112, where N is a natural number greater than 2. In this embodiment, N is 2. Between each pair of adjacent second circumferential ratchet teeth 112, there are N-1 toothless portions 1121, such that the number of first circumferential ratchet teeth 111 is N times the number of second circumferential ratchet teeth 112. If the toothless portion 1121 is a smooth segment, the central angles corresponding to the first circumferential ratchet teeth 111, the second circumferential ratchet teeth 112, and the toothless portion 1121 are equal, and the central angle between each pair of adjacent second circumferential ratchet teeth 112 is N times the central angle between each pair of adjacent first circumferential ratchet teeth 111. Each action of the first mechanism 200 can abut against the first circumferential ratchet teeth 111 to push the water channel switching mechanism 110 to rotate in the first direction. When the second mechanism 300 abuts against the second circumferential ratchet teeth 112, the second mechanism 300 pushes the water channel switching mechanism 110 to rotate in the second direction. When the second mechanism 300 corresponds to the toothless portion, the water channel switching mechanism 110 does not move, and the second mechanism 300 is inactive. Other arrangements may also be adopted as needed, such as the first mechanism and the second mechanism being located on the same side of the waterway switching mechanism 110 and arranged on both sides of the rotation axis, with the two mechanisms driving the ratchet to rotate in opposite directions.

[0091] Reference Figure 3 If the water is turned off and the duration exceeds t, and water is flowing from the second outlet before the water is turned off, it is in the second water outlet state, such as the aerated water state; firstly, the first mechanism 200 moves to its position and abuts against the first circumferential ratchet 111 to push the ratchet to rotate clockwise by one ratchet angle, thereby switching the first outlet to open and producing the first water outlet state, such as the shower water state, etc. Figure 4 Next, the second mechanism 200 operates, but because the second mechanism 200 corresponds to the toothless portion 1121 between two adjacent second circumferential ratchet teeth 112, the second mechanism 200 cuts in the air and does not engage the second circumferential ratchet teeth 112. The ratchet remains stationary, keeping the first water outlet open and maintaining the shower spray state. Then it opens again (after t seconds), and water flows from the first water outlet (shower spray state). If the water is turned off again and the duration exceeds t, such as... Figure 5First, the first mechanism 200 moves to its position and engages with the first circumferential ratchet 111 to push the ratchet wheel to rotate clockwise by one ratchet angle, thereby switching the second water outlet to open and emitting bubbly water; then, as... Figure 6 After the second mechanism 200 is activated and engages with the second circumferential ratchet 112, it pushes the ratchet to rotate counterclockwise by one ratchet angle, switching back to the first water outlet opening. Then, after t seconds, the first water outlet opens again (shower water state). This achieves water shut-off, and after a predetermined time t, the water outlet returns to the predetermined water output state, as described in this section regarding the shower water state. In this embodiment, remote switching can achieve both function switching and reset to the predetermined state.

[0092] Reference Figures 3-10 , Figure 12 The first mechanism 200 includes a first valve body 210, a first shaft 220, a first elastic element 230, and a first spring seat 260. In this embodiment, the first valve body 210 is an instantaneous switching valve body, the first shaft 220 is an instantaneous switching shaft, and the first elastic element 230 is an instantaneous switching elastic element. A first control chamber 211 is formed inside the instantaneous switching valve body. The first control chamber 211 is connected to the water inlet mechanism 20 of the shower head, allowing water from the water inlet mechanism 20 to enter the first control chamber 211 and increase its pressure. The first spring seat 260 is fixedly mounted on the water distribution seat 40, and one end of the instantaneous switching elastic element abuts against the first spring seat 260. The instantaneous switching shaft passes through the first control cavity 211, with one end extending towards the water channel switching mechanism 110 and the other end equipped with the instantaneous switching elastic element. This extension extends beyond the first control cavity 211 and is not exposed to water. The water channel switching mechanism 110 is not connected to the water inlet mechanism 20; that is, the instantaneous switching shaft will not extend into the water inlet channel of the water inlet mechanism 20. The end of the instantaneous switching elastic element away from the water channel switching mechanism 110 abuts against the first spring seat 260. (Refer to...) Figure 12 After the water outlet device is energized, the instantaneous switching shaft is subjected to the first area difference between the first sealing ring 212 between itself and the instantaneous switching valve body and the sealing ring 213 surrounding its own periphery. When there is water in the first control chamber 211, and the product of the pressure in the first control chamber 211 and the first area difference is greater than the elastic force of the instantaneous switching elastic element, that is, when the water pressure acting on the first shaft 220 is greater than the elastic force of the first elastic element 230 acting on the first shaft 220, this force difference drives the instantaneous switching shaft to move away from the water circuit switching mechanism 110. It should be noted that when the instantaneous switching shaft moves away from the water circuit switching mechanism 110, the water inlet mechanism 20 can enter the corresponding pressure chamber through the gaps 411 of the multiple pilot valves 400 respectively.

[0093] The second mechanism 300 includes a second valve body 310, a second shaft 320, a second elastic element 330, and a second spring seat 360. In this embodiment, the second valve body 310 is a time-delay switching valve body, the second shaft 320 is a time-delay switching shaft, and the second elastic element 330 is a time-delay switching elastic element. A second control chamber 311 is formed inside the time-delay switching valve body. The second control chamber 311 is connected to the water inlet mechanism 20 of the shower head, and the water inlet mechanism 20 can enter the second control chamber 311 to increase the pressure in the second control chamber 311. The water outlet device includes a water-passing zone and a non-water-passing zone. The delayed switching shaft passes through the second control cavity 311, with one end extending towards the water path switching mechanism 110. This extension extends outside the second control cavity 311 and does not pass through water. The water path switching mechanism 110 is not connected to the water inlet mechanism 20, meaning the delayed switching shaft does not extend into the water inlet channel of the water inlet mechanism 20. The water inlet channel, water distribution mechanism, etc., are located in the water-passing zone, while the water path switching mechanism 110 is located in the non-water-passing zone. After the water flows in from the water inlet channel, it goes directly to the water distribution mechanism without passing through the water path switching mechanism 110, thus avoiding pressure division by the water path switching mechanism 110. In this way, the water flows from the water inlet channel to the first control cavity 211 and the second control cavity 311, generating a water force on the first shaft 220 and the second shaft 320. The starting water pressure will be significantly lower than when the water path switching mechanism 110 is located in the water-passing zone. The other end is provided with a delayed switching elastic element, and the second spring seat 360 is fixedly mounted on the water distribution seat 40. The end of the delayed switching elastic element away from the water path switching mechanism 110 abuts against the second spring seat 360. (Refer to...) Figure 12 After the water outlet device is filled with water, the delay switching shaft is subjected to the second area difference between the second sealing ring 312 between it and the delay switching valve body and the sealing ring 313 surrounding its own periphery. When there is water in the second control chamber 311, and the product of the pressure in the second control chamber 311 and the second area difference is greater than the elastic force of the delay switching elastic element, that is, the water pressure force of the water acting on the second shaft 320 is greater than the elastic force of the second elastic element 330 acting on the second shaft 320, the force difference drives the delay switching shaft to move away from the water circuit switching mechanism 110.

[0094] Reference Figures 3-6 The first mechanism 200 also includes multiple first guide posts 250, such as two first guide posts 250. The two first guide posts 250 are spaced apart, and the first shaft 220 is located between the two first guide posts 250. The first guide posts 250 provide guidance for the movement of the first shaft 220. A first protrusion 221 and a second protrusion 222 are respectively provided on opposite sides of the first shaft 220, with the first protrusion 221 in front and the second protrusion 222 behind. The first protrusion 221 corresponds to one first guide post 250, and the second protrusion 222 corresponds to the other first guide post 250. When the water outlet is turned off, the first shaft 220 moves as follows: First, the first protrusion 221 interacts with the corresponding first guide post 250, as shown in the diagram. Figure 7This causes the head of the first shaft 220 to abut against the first circumferential ratchet 111, and drives the waterway switching mechanism 110 to rotate through a certain angle; then the second protrusion 222 interacts with the corresponding first guide post 250, pushing the first shaft 220 outward; refer to Figure 9 This disengages the head of the first shaft 220 from the first circumferential ratchet 111, allowing the second shaft 320 to subsequently operate on the waterway switching mechanism 110. Similarly, the second mechanism 300 also includes a second guide post 350, which guides the movement of the second shaft 320. In other words, the first guide post 250 and the second guide post 350 respectively ensure the stability and accuracy of the first shaft 220 and the second shaft 320 during operation.

[0095] Reference Figure 1 , Figure 2 , Figure 12 , Figure 13 , Figure 16 , Figure 17 The first control chamber 211 is connected to a first drain valve 240, through which the first control chamber 211 drains water quickly. After the water is turned off, the first shaft 220, under the action of the first elastic element 230, approaches and pushes against the water path switching mechanism 110 to rotate (the first shaft 220 is in position). The second control chamber 311 is connected to a second drain valve 340, through which the second control chamber 311 drains water slowly. After the water is turned off, the second shaft 320, under the action of the second elastic element 330, approaches and pushes against the water path switching mechanism 110 to rotate (the second shaft 320 is in position). The drainage speed of the first drain valve 240 is greater than that of the second drain valve 340. The first drain valve 240 is an instantaneous drain valve, and the second drain valve 340 is a delayed drain valve.

[0096] like Figure 16 As shown, the delayed drain valve drains water through the drain gap 341, as... Figure 17As shown, the instantaneous drain valve drains water through the drain channel 241. The drain area of ​​the drain channel 241 is much larger than that of the drain gap 341, therefore the drain speed of the drain channel 241 is much greater than that of the drain gap 341. When the water is turned off after the shower head sprays water, both the delay switching shaft and the instantaneous switching shaft will approach the water circuit switching mechanism 110 to reset. Their reset speeds are related to the drain speeds of the delay drain valve and the instantaneous drain valve, respectively. Since the drain speed of the delay drain valve is much smaller than that of the instantaneous drain valve, the instantaneous switching shaft can reset (reset to its position) faster. In other words, when the water is continuously and rapidly switched on and off (within t), the water circuit switching mechanism 110 can be continuously controlled and rotated by the instantaneous switching shaft, thereby continuously switching the water output effect (when the delay switching shaft does not move or does not move to its position). When the shower head spray is in the hot water state and the water shut-off time is long (exceeding t), the delayed drain valve drains the water. After the water is drained, the delayed switching shaft will be reset (reset to position) under the action of the delayed switching elastic element, and abut against the second ratchet or the corresponding toothless part, so that the water circuit switching mechanism 110 exits the predetermined water outlet state.

[0097] like Figure 17 As shown, the first drain valve 240 connects to the first control chamber 211 and cooperates with the drain channel 241. It includes a first movable valve 242 and a first elastic body 243 that abuts against the first movable valve 242. When water is turned on, the force exerted by the water on the first movable valve 242 is greater than the elastic force of the first elastic body 243, causing the first movable valve to move downward to seal the drain channel 241, and water enters the first control chamber 211. When water is stopped, the force exerted by the water decreases or disappears, and the elastic force of the first elastic body 243 drives the first movable valve 242 to move upward to open the drain channel 241 (reset), and the first control chamber 211 drains water quickly. Depending on the needs, the second drain valve 340 can be configured with the same structure as the first drain valve, the only difference being that the second drain valve has a smaller drainage area and a slower drainage speed, but other structures will be used as examples in the following description.

[0098] In this embodiment, as Figures 2-10 , Figures 12-20As shown, the water outlet device is provided with an inlet channel 201, which includes an inlet path 2001, a connecting cavity 2002, a first water inlet 2004, an inlet cavity 2005, a second water inlet 2006, and a third water inlet 2007. One end of the inlet path 2001 is connected to the inlet mechanism 20, and the other end is the inlet 2003 connected to the connecting cavity 2002. The first water inlet 2004 connects the connecting cavity 2002 and the first control cavity 211. The first water inlet 2004 is also connected to the third water inlet 2007. The third water inlet 2007 connects to the inlet cavity 2005. The second water inlet 2006 connects the connecting cavity 2002 and the second control cavity 311. After water enters: the water flow can pass through the water inlet mechanism 20, water inlet path 2001, connecting cavity 2002, and first water inlet 2004 into the first control cavity 211; the water flow can pass through the water inlet mechanism 20, water inlet path 2001, connecting cavity 2002, first water inlet 2004, first control cavity 211, third water inlet 2007 into the water inlet cavity 2005; the water flow can pass through the water inlet mechanism 20, water inlet path 2001, connecting cavity 2002, and second water inlet... The water enters the second control chamber 311 through the outlet 2006 and the drainage gap 341. In this embodiment, when the water is turned off, the first and second control chambers drain water. Under the action of the elastic element, the first and second shafts slide, driving the ratchet to rotate. Then, the ratchet rotation controls at least one of the third shafts to slide, controlling at least one of the pilot valves to switch. As described above, the water inlet mechanism first enters the water inlet chamber through the first control chamber and then enters the chamber 1. Through the above water path, the starting water pressure of the pilot valve chamber 1 can be low.

[0099] In this embodiment, the inlet 2003 and the drain channel 241 are vertically aligned. The first movable valve 242 connects the inlet 2003 and the drain channel 241. When the water is turned on, the water flows from the inlet 2003 into the connecting cavity 2002 and acts on the first movable valve 242 to move downwards to seal the drain channel 241. When the water is stopped, the first elastic body 243 resets to open the drain channel 241 to drain the water in the first control cavity 211. Drainage: First control cavity 211 -- first water inlet 2004 -- connecting cavity 2002 -- drain channel 241 to drain the water in the first control cavity 211.

[0100] like Figures 16-17As shown, the second water inlet 2006 is equipped with the second drain valve 340, which includes a one-way valve and a drain gap 341. Water enters through the flow of water from the connecting chamber 2002 to the second water inlet 2006, causing the one-way valve to open. After opening, the water in the connecting chamber 2002 flows through the second water inlet 2006 and the drain gap 341 into the second control chamber 311. After the water is turned off, the one-way valve resets to close the second water inlet 2006. Because of the drain gap 341, the water in the second control chamber 311 is discharged through the drain gap 341. For example: second control chamber 311 -- drain gap 341 -- connecting chamber 2002 -- drain channel 241. The one-way valve includes a second movable valve 342 and a second elastic body 343 that abuts against the second movable valve 342. The second movable valve 342 is provided with the aforementioned drainage gap 341. The second elastic body 343 includes a spiral section and a straight section extending from the end of the spiral section along a direction parallel to the axis. The straight section is inserted into the drainage gap 341, which serves as a positioning and guiding function to reduce the water flow area, and can also remove impurities or dirt from the drainage gap 341.

[0101] like Figure 18 As shown, the pilot valve 400 has an outlet 12 and an annular cavity 401. The annular cavity 401 surrounds the outlet 12 and is blocked by a blocking ring 402, which is formed on the water distribution body. When the pilot valve body 410 is sealed and connected to the end face of the blocking ring 402, the communication between the annular cavity 401 and the outlet 12 is blocked, and the pilot valve 400 is closed, and the main flow channel 403 of the pilot valve body 410 is closed. When the pilot valve body 410 moves upward away from the end face of the blocking ring 402, the annular cavity 401 opens. 1. Connects to outlet 12, pilot valve 400 opens, and the main flow channel of pilot valve body 410 opens; the inlet chamber 2005 connects to the annular chamber 401 of each pilot valve 400, and each outlet 12 connects to each outlet chamber 13 respectively. Therefore, the sequence is: inlet mechanism 20 -- inlet path 2001 -- connecting chamber 2003 -- first connecting port 2004 -- first control chamber 211 -- third connecting port 2007 -- inlet chamber 2005 -- annular chamber 401 -- outlet 12 -- outlet chamber 13. (Example...) Figure 19 , Figure 20 As shown, one end of the pressure relief channel 11 is connected to the cavity 1, and the other end is connected to the functional valve body 150. The functional valve body 150 is also provided with a confluence channel that connects to the water outlet cavity 13. The pressure relief channel 11 is opened and closed by sliding the third shaft 120, that is, the connection or blockage of the pressure relief channel 11 and the confluence channel is controlled. If it is opened, the pressure is released, and the sequence is: cavity 1 -- pressure relief channel 11 -- functional valve body 150 -- confluence channel -- water outlet cavity 13.

[0102] This embodiment provides a water path switching method, which achieves switching of water output effect based on the water outlet device of this embodiment. The water path switching method includes:

[0103] S1. Turn on the overhead shower, and water enters the water outlet device;

[0104] S2, the first mechanism 200 and the second mechanism 300 are moved away from the water path switching mechanism 110, and the water outlet device is in either the first water outlet state or the second water outlet state;

[0105] S3. The water outlet device shuts off the water, and selects the appropriate option based on whether the water shut-off duration exceeds t, and whether it enters the first or second water outlet state:

[0106] If the flow exceeds t and the water is turned off before the first water outlet state, the first mechanism 200 will first move to its position to abut against the first circumferential ratchet 111 to push the water path switching mechanism 110 to rotate in the first direction and switch to the second water outlet state. The second mechanism 300 will then move to its position and the second circumferential ratchet 112 will be abutted by the second mechanism 300 to push the water path switching mechanism 110 to rotate in the second direction and switch back to the first water outlet state. Then, step S1 will be executed.

[0107] If the water flow exceeds t and the water outlet is in the second water outlet state before shutting off, the first mechanism 200 will move to the position first to engage the first circumferential ratchet 111 to push the water path switching mechanism 110 to rotate in the first direction and switch to the first water outlet state. The second mechanism 300 will move to the position later and will not engage the second circumferential ratchet 112 (corresponding to the toothless part 1121). Then the water path switching mechanism 110 will not move and will remain in the first water outlet state. Then step S1 will be executed.

[0108] If the time limit is not exceeded, only the first mechanism 200 drives the water circuit switching mechanism 110 to operate and drives the water distribution mechanism to switch the water outlet state, and then executes step S1.

[0109] This embodiment uses two water output effects as an example for illustration, but it is not limited to this; three or four water output effects are also applicable.

[0110] Example 2

[0111] This embodiment provides a water outlet device. The only difference between this embodiment and Embodiment 1 is the specific water distribution method of the water distribution mechanism.

[0112] Reference Figure 21 , Figure 22The water outlet device provided in this embodiment does not have the pressure chamber of Embodiment 1. The water distribution body has a water flow channel 14, and the water inlet mechanism 20 is connected to the water flow channel 14. The water flow channel 14 corresponds to multiple water outlets 12, and each water outlet 12 corresponds to multiple water outlet chambers 13. Different water outlet chambers 13 correspond to different water outlet effects. The rotation of the water path switching mechanism 110 can drive the water distribution mechanism to move. In this embodiment, there are two water outlets 12 corresponding to the water flow channel 14. The two water outlets 12 are spaced apart along the axial direction of the third axis 120. By moving the water distribution mechanism along this straight line, the two water outlets 12 can be opened alternately (alternately connected to the water flow channel 14), thereby achieving the switching of water outlet effects.

[0113] The water distribution mechanism includes a water distribution valve assembly, the structure of which can be the same as in Embodiment 1. A third shaft 120 is disposed in the water distribution space. The rotation of the water path switching mechanism 110 can drive the third shaft 120 to perform a linear motion along its axial direction within the water flow channel 14. This is achieved through the third shaft... Figure 21 , Figure 22 The switching between the two positions shown alternately opens the outlet 12 of the water flow channel 14, thereby switching the water output effect. This embodiment uses two outlets as an example for explanation, but it is not limited to this. Multiple outlets can be set at intervals along the sliding direction. The water path switching mechanism 110 can be set with corresponding multi-level protrusions. The outer diameters of the multi-level protrusions are not equal, so the multi-level protrusions correspond to multiple outlets to switch different effects.

[0114] Example 3

[0115] This embodiment provides a driving device. The difference between this embodiment and Embodiment 1 is that the water switching mechanism is rotatable and therefore a movable component in this embodiment. The driving device includes a water inlet mechanism, a movable component, a first mechanism, and a second mechanism. The movable component includes a ratchet, which includes a first circumferential ratchet tooth and a second circumferential ratchet tooth. The first and second mechanisms can respectively drive the ratchet to move. When both the first and second mechanisms are connected to the water inlet mechanism, and the water is shut off for a duration exceeding t, the first mechanism moves first to engage the first circumferential ratchet tooth, pushing the ratchet to rotate in a first direction. The second mechanism moves later, and when the second circumferential ratchet tooth is engaged by the second mechanism, it pushes the ratchet to rotate in a second direction. The first and second directions are opposite. When the water is shut off for a duration not exceeding t, only the first mechanism pushes the ratchet to rotate in the first direction. The structure of the ratchet, the first mechanism, and the second mechanism can be referred to in Embodiment 1.

[0116] If necessary, a sliding third shaft may also be included. The ratchet is provided with multiple control slots along the circumference. The rotation of the ratchet drives the third shaft to slide through the multiple control slots. The sliding of the third shaft can be controlled by the opening and closing of the water inlet mechanism. The sliding control of the third shaft can be referred to in Embodiment 1.

[0117] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the implementation of the present invention. Those skilled in the art will be able to make various obvious changes, readjustments, and substitutions without departing from the scope of protection of the present invention. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be included within the scope of protection of the claims of the present invention.

Claims

1. A water outlet device, characterized in that: include: Waterway switching mechanism (110); The water distribution mechanism is connected to the water path switching mechanism (110), and the water distribution mechanism is driven to operate by the action of the water path switching mechanism (110); and The first mechanism (200) and the second mechanism (300) are capable of contacting the waterway switching mechanism (110) and driving the waterway switching mechanism (110) to operate. Wherein: the water outlet device shuts off the water and the duration exceeds t, the first mechanism (200) acts and first abuts against the water path switching mechanism (110) to push the water path switching mechanism (110) to move in the first direction, the second mechanism (300) acts and then selects whether to push the water path switching mechanism (110) to move in the second direction, the first direction and the second direction are opposite; When the water outlet device shuts off the water and the duration does not exceed t, only the first mechanism (200) operates and abuts against the water path switching mechanism (110) to push the water path switching mechanism (110) to move in the first direction.

2. The water outlet device according to claim 1, characterized in that: The water path switching mechanism (110) is rotatable and includes a rotatable ratchet. The first mechanism (200) and the second mechanism (300) can abut against the ratchet and push the water path switching mechanism (110) to rotate.

3. The water outlet device according to claim 2, characterized in that: The ratchet is provided with circumferential ratchet teeth, which are divided into a first circumferential ratchet tooth (111) and a second circumferential ratchet tooth (112) with opposite ratchet directions. The first circumferential ratchet tooth (111) and the second circumferential ratchet tooth (112) are arranged circumferentially at intervals. The number of the first circumferential ratchet teeth (111) is N times the number of the second circumferential ratchet teeth (112), where N is a natural number not less than 2. The first mechanism (200) pushes the water channel switching mechanism (110) to rotate in the first direction by abutting against the first circumferential ratchet tooth (111). When the second circumferential ratchet tooth (112) is abutted by the second mechanism (300), the second mechanism (300) pushes the water channel switching mechanism (110) to rotate in the second direction. When it is not abutted, the water channel switching mechanism (110) does not move.

4. The water outlet device according to claim 3, characterized in that: The first circumferential ratchet (111) and the second circumferential ratchet (112) are arranged in a ring array. After the first mechanism (200) pushes the waterway switching mechanism (110) to rotate, it disengages from the ratchet.

5. The water outlet device according to claim 4, characterized in that: The first mechanism (200) includes a sliding first shaft (220), the first shaft (220) is provided with a second protrusion (222), and is also provided with a fixed first guide post (250). The first shaft (220) moves as follows: firstly, the first shaft (220) abuts against the first circumferential ratchet (111) to push the waterway switching mechanism (110) to rotate, and then the second protrusion (222) is pushed by the first guide post (250) to make the first shaft (220) disengage from the ratchet.

6. The water outlet device according to claim 5, characterized in that: The first shaft (220) is also provided with a first protrusion (221) and another fixed first guide post (250). The first shaft (220) moves as follows: firstly, the first protrusion (221) acts on the other first guide post (250) to make the first shaft (220) push against the water channel switching mechanism (110) to rotate, and then the second protrusion (222) is pushed by the first guide post (250).

7. The water outlet device according to claim 3, characterized in that: N-1 toothless portions are provided between each pair of adjacent second circumferential ratchet teeth (112). The central angles corresponding to the first circumferential ratchet tooth (111), the second circumferential ratchet tooth (112), and the toothless portions are equal. When the second mechanism (300) corresponds to the toothless portion, the ratchet remains stationary.

8. The water outlet device according to claim 3, characterized in that: The first mechanism (200) includes a first control cavity (211), a first shaft (220) slidably connected in the first control cavity (211), and a first elastic element (230). When water enters, the water in the first control cavity (211) acts on the first shaft (220) with a force greater than the elastic force of the first elastic element (230). The force difference drives the first shaft (220) away from the water switching mechanism (110). When the water is turned off, the first control cavity (211) drains water and the first elastic element (230) drives the first shaft (220) to reset, abutting against the first circumferential ratchet (111) to push the water switching mechanism (110) to rotate. The second mechanism (300) includes a second control cavity (311), a second shaft (320) slidably connected to the second control cavity (311), and a second elastic element (330). When water enters, the water in the second control cavity (311) acts on the second shaft (320) with a force greater than the elastic force of the second elastic element (330). The force difference drives the second shaft (320) away from the water switching mechanism (110). When the water is turned off, the second control cavity (311) drains water and the second elastic element (330) drives the second shaft (320) to reset. When the second circumferential ratchet (112) is abutted by the second shaft (320), it can push the water switching mechanism (110) to rotate.

9. The water outlet device according to claim 8, characterized in that: After the water is turned off, the drainage speed of the first control chamber (211) is greater than that of the second control chamber (311).

10. The water outlet device according to claim 9, characterized in that: The first control chamber (211) is connected to a first drain valve (240), through which the first control chamber (211) drains water; the second control chamber (311) is connected to a second drain valve (340), through which the second control chamber (311) drains water; the drainage speed of the first drain valve (240) is greater than that of the second drain valve (340).

11. The water outlet device according to claim 1, characterized in that: It includes multiple water outlets (12), and the water distribution mechanism is activated by the rotation of the water path switching mechanism (110) to select one of the water outlets (12) to open.

12. The water outlet device according to claim 1, characterized in that: The water distribution mechanism includes multiple pilot valves (400). Each pilot valve (400) is equipped with a sliding third shaft (120) and a main channel. The opening and closing of the main channel is controlled by switching the pilot valve (400). The switching of the pilot valve (400) is controlled by sliding the third shaft (120). The rotation of the water circuit switching mechanism (110) drives at least one third shaft (120) to slide.

13. The water outlet device according to claim 12, characterized in that: The pilot valve (400) includes a pilot valve body (410) and a pressure relief channel (11). The pilot valve body (410) moves between an open position and a closed position to control the opening and closing of the pilot valve (400). The space inside the pilot valve (400) and on the pilot valve body (410) forms a cavity (1). The pilot valve body (410) has a gap (411). The pressure relief channel (11) is connected to the cavity (1). The third shaft (120) controls the opening and closing of the pressure relief channel (11). When the pressure relief channel (11) is open, the cavity (1) is depressurized to drive the pilot valve body (410) to move to the open position. When the pressure relief channel (11) is closed, the water inlet of the water inlet mechanism (20) enters the cavity (1) through the gap (411) to drive the pilot valve body (410) to move to the closed position.

14. The water outlet device according to claim 1, characterized in that: The water distribution mechanism includes a water distribution valve assembly, which includes a sliding third shaft (120). The third shaft (120) is driven to slide by the rotation of the water path switching mechanism (110), and the sliding of the third shaft (120) controls the water distribution valve assembly.

15. The water outlet device according to claim 14, characterized in that: The number of water distribution valve assemblies is multiple, and each water distribution valve assembly is equipped with a water outlet (12). The water circuit switching mechanism (110) rotates to select one to drive the third shaft (120) to slide, thereby opening the water outlet (12) corresponding to the selected water distribution valve assembly.

16. The water outlet device according to claim 14, characterized in that: The water distribution valve assembly is provided with at least two water outlets (12), and water is discharged from at least two water outlets (12) by sliding the third shaft (120).

17. The water outlet device according to claim 14, characterized in that: The water path switching mechanism (110) is provided with multiple control slots (113) along the circumference. The water path switching mechanism (110) rotates to control the sliding of the third axis (120) through the multiple control slots (113).

18. The water outlet device according to claim 17, characterized in that: The water distribution valve assembly also includes a movable ball (130) and a third elastic element (140). The movable ball (130) is located between one end of the third shaft (120) and the water circuit switching mechanism (110). The third elastic element (140) abuts against the other end of the third shaft (120). When the water circuit switching mechanism (110) rotates to the point where any control slot (113) is directly opposite the movable ball (130), the movable ball (130) moves to the control slot (113) under the action of the third elastic element (140), and the third shaft (120) slides to open the corresponding water outlet (12).

19. A top-mounted shower head, characterized in that: The device includes a shower head housing (10), a faceplate (50), and a water outlet device according to claim 1. The water outlet device further includes a water inlet mechanism (20) and a water distribution body (30). The shower head housing (10) and the faceplate (50) enclose an installation space. The water distribution body (30) is provided with multiple water outlet chambers (13) corresponding to multiple water outlet effects. The water inlet mechanism (20) is located on the top of the shower head housing (10) and can realize water inlet into the installation space. The water outlet device is located in the installation space and can discharge water through any water outlet chamber (13).

20. A driving device, characterized in that: include: Water inlet mechanism; Movable components; The first and second mechanisms are capable of contacting and propelling the movable component. Both the first and second mechanisms are connected to the water inlet mechanism. When the water is turned off and the duration exceeds t, the first mechanism operates and first pushes the movable part to move in the first direction. The second mechanism operates and then selects whether to push the movable part to move in the second direction. The first and second directions are opposite. When the water is turned off and the duration does not exceed t, only the first mechanism pushes the movable part to move in the first direction.

21. The driving device according to claim 20, characterized in that: The movable component is a rotatable ratchet, and the first mechanism and the second mechanism can abut against the ratchet and drive the ratchet to rotate.

22. The water path switching method of the water outlet device according to claim 3, characterized in that: include: S1, Water enters the water outlet device; S2, the first mechanism (200) and the second mechanism (300) are away from the water path switching mechanism (110), and the water outlet device is in either the first water outlet state or the second water outlet state; S3. The water outlet device shuts off the water, and selects either the first water outlet state or the second water outlet state based on whether the water shut-off duration exceeds t: If the water flow exceeds t and the water flow is turned off before the first water flow state, then the first mechanism (200) will activate and first abut against the first circumferential ratchet (111) to push the water flow switching mechanism (110) to rotate in the first direction and switch to the second water flow state. Then the second mechanism (300) will activate and the second circumferential ratchet (112) will be abutted by the second mechanism (300) to push the water flow switching mechanism (110) to rotate in the second direction and switch back to the first water flow state. If the water flow exceeds t and the water outlet is in the second outlet state before shutting off, then the first mechanism (200) will activate and first abut against the first circumferential ratchet (111) to push the water path switching mechanism (110) to rotate in the first direction and switch to the first outlet state. If the second mechanism (300) activates and then the second mechanism (300) does not abut against the second circumferential ratchet (112), then the water path switching mechanism (110) will not move and will remain in the first outlet state. If the time limit is not exceeded, only the first mechanism (200) drives the water circuit switching mechanism (110) to operate and drives the water distribution mechanism to operate to switch the water outlet state.

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