Fluid on-off control device and humidifier

Abstract

The application relates to the field of humidifier devices, in particular to a fluid on-off control device and a humidifier, wherein the fluid on-off control device comprises: a water inlet valve assembly arranged at a water inlet of a water tank shell of the humidifier; the water inlet valve assembly comprises a water inlet valve sleeve and a water inlet valve member, and the water inlet valve member seals the water inlet in a normal state; a water outlet valve assembly comprising a water outlet valve sleeve and a water outlet valve member which is axially slidably matched in the water outlet valve sleeve and seals a water outlet of the humidifier water tank in a normal state; the insertion part and the matching part form an axially separable plug-in matching; and the water inlet valve member and the water outlet valve member axially abut in the plug-in state and can relatively displace along the axis to open the water inlet and the water outlet, so as to solve the problems of difficult disassembly of a water tank and a water tank of a humidifier on the market, bidirectional leakage and complex operation.

Description

Technical Field

[0001] This application relates to the field of humidifier equipment, and more particularly to a fluid on / off control device and a humidifier. Background Technology

[0002] Current humidifiers suffer from two major pain points in their water tank and reservoir connection structures: First, traditional plug-in designs rely on interference fits or rigid clips, requiring significant external force for disassembly. This not only makes operation inconvenient but also increases the risk of loosening or jamming due to wear on the plastic parts over time. Second, when the water tank and reservoir separate, residual water leaks if their respective fluid channels are not closed promptly. While existing technologies address this leakage by installing shut-off valves at the channels, manually opening the two-way valves during water filling is cumbersome. These issues of bidirectional leakage and operational complexity severely impact user experience. Therefore, achieving convenient disassembly, automatic sealing upon separation, and automatic water filling upon plugging in are pressing technical challenges that urgently need to be addressed. Utility Model Content

[0003] This application provides a fluid on / off control device to solve the problems of difficult disassembly of the water tank and water trough, bidirectional leakage, and complicated operation of humidifiers on the market.

[0004] In a first aspect, a fluid on / off control device is provided for use in a humidifier, including a water inlet valve assembly disposed at the water inlet of the humidifier water tank housing;

[0005] The water inlet valve assembly includes: a water inlet valve sleeve, one end of which is fixedly connected to the water tank housing and the other end extends outward to form an insertion part; and a water inlet valve component, which is axially slidably fitted inside the water inlet valve sleeve and normally seals the water inlet.

[0006] The water outlet valve assembly includes: a water outlet valve sleeve, one end of which is inserted into the humidifier water tank and the other end extends outward to form a mating part; and a water outlet valve component, which is axially slidably fitted inside the water outlet valve sleeve and normally seals the water outlet of the humidifier water tank.

[0007] When the insertion part is inserted into the mating part, the water inlet valve component abuts against the water outlet valve component, and the water inlet valve component pushes the water outlet valve component to move along the first direction. At the same time, the water outlet valve component pushes the water inlet valve component to move along the second direction.

[0008] Furthermore, it includes a sealing ring located between the inlet valve sleeve and the outlet valve sleeve.

[0009] Furthermore, the outer periphery of the water inlet valve sleeve is provided with a groove, and the sealing ring is located in the groove.

[0010] Furthermore, the outer periphery of the inlet valve sleeve has a first abutting portion; the side of the outlet valve sleeve facing the inlet valve sleeve has a second abutting portion;

[0011] In the plugged-in state, the first abutting part abuts against the second abutting part.

[0012] Furthermore, the inlet valve component includes;

[0013] The first push rod has a first sealing element at one end;

[0014] The first spring is sleeved on the outer periphery of the first push rod;

[0015] The first limiting member and the second limiting member are located on both sides of the first push rod along the axial direction, respectively;

[0016] The first spring is assembled between the first limiting member and the second limiting member.

[0017] Furthermore, the end of the first seal is provided with a first bevel;

[0018] The end of the inlet valve sleeve near the inlet is provided with a second inclined surface;

[0019] Under normal conditions, the first inclined plane and the second inclined plane cooperate and abut against each other.

[0020] Furthermore, the outlet valve component includes;

[0021] The second push rod has a stop at one end and a second seal at the other end;

[0022] The second spring connects the stop and the second seal and is sleeved on the outer periphery of the second push rod.

[0023] Furthermore, the stop member has at least two radially extending extensions in the circumferential direction; a flow guiding gap is formed between each extension.

[0024] Furthermore, the outlet valve sleeve is provided with an outlet at the connection point between it and the humidifier water tank;

[0025] The outlet has an inwardly inclined flange around its circumference;

[0026] The end of the second seal is provided with a third bevel;

[0027] Under normal conditions, the third inclined surface engages with the flange.

[0028] In addition, a humidifier is proposed, comprising:

[0029] Shell and water tank;

[0030] The housing is equipped with a humidification air outlet component and a water tank connected to the humidification air outlet component;

[0031] The water tank and the water tank are connected by the aforementioned fluid on / off control device.

[0032] The technical solutions provided in this application have the following advantages compared with the prior art:

[0033] This technical solution provides a fluid on / off control device. Through the axial sliding fit design of the inlet valve assembly and the outlet valve assembly, it can seal the inlet and outlet under normal conditions, and can accurately abut and generate linkage displacement when plugged in. This design not only makes the water tank disassembly easy and labor-saving, but also ensures an instant sealing effect at the moment of separation. It effectively solves the problems of jamming and leakage during separation and cumbersome operation when disassembling the water tank and water tank of traditional humidifiers. Attached Figure Description

[0034] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments consistent with this application and, together with the description, serve to explain the principles of this application.

[0035] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, for those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0036] One or more embodiments are illustrated by way of example with reference numerals in the accompanying drawings. These illustrations do not constitute a limitation on the embodiments. Elements with the same reference numerals in the drawings are denoted as similar elements. Unless otherwise stated, the figures in the drawings are not to be limited by scale.

[0037] Figure 1 This is a cross-sectional view of the fluid on / off control device from the first angle of this application;

[0038] Figure 2 This is a cross-sectional view of the fluid on / off control device from a second angle in this application;

[0039] Figure 3 This is a structural diagram of the inlet valve component and the outlet valve component of this application;

[0040] Figure 4 This is a schematic diagram of the sealed inlet and outlet of the fluid on / off control device of this application;

[0041] Figure 5 A schematic diagram showing the opening of the inlet and outlet of the fluid on / off control device of this application;

[0042] Figure 6 This is a cross-sectional view of the fluid on / off control device from a third angle in this application;

[0043] Figure 7 This is a schematic diagram of the radially extending extension of the stop member in this application;

[0044] Explanation of reference numerals in the attached figures:

[0045] 1. Fluid channel; 2. Inlet valve assembly; 3. Outlet valve assembly; 4. Inlet; 5. Outlet; 6. Inlet valve sleeve; 7. Insertion part; 8. Inlet valve component; 9. First push rod; 10. First seal; 11. First spring; 12. First limiting member; 13. Second limiting member; 14. Outlet valve sleeve; 15. Fitting part; 16. Outlet valve component; 17. Second push rod; 18. Stop; 19. Second seal; 20. Second spring; 21. Sealing ring; 22. Groove; 23. First abutment part; 24. Second abutment part; 25. First inclined surface; 26. Second inclined surface; 27. Radially extending extension part; 28. Guide gap; 29. ​​Flange; 30. Third inclined surface; 31. Root; 32. Axial extension part. Detailed Implementation

[0046] 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 some embodiments of this application, not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0047] The following disclosure provides numerous different embodiments or examples for implementing various structures of this application. To simplify the disclosure, specific examples of components and arrangements are described below. These are merely examples and are not intended to limit the scope of this application. Furthermore, reference numerals and / or letters may be repeated in different examples. Such repetition is for simplification and clarity and does not in itself indicate a relationship between the various embodiments and / or arrangements discussed.

[0048] For ease of description, spatial relative terms may be used in the text to describe the relative position or movement of one element or feature relative to another element or feature, as shown in the figure. These relative terms include, for example, "inside," "outside," "middle," "outer," "below," "below," "above," "front," "back," etc. Such spatial relative terms are intended to include different orientations of the device in use or operation, other than those depicted in the figure. For example, if the device in the figure undergoes a positional flip, orientation change, or change of motion, these directional indications will change accordingly. For instance, an element described as "below other elements or features" or "below other elements or features" will subsequently be oriented "above other elements or features" or "above other elements or features." Therefore, the example term "below" can include both upper and lower orientations. The device may be otherwise oriented (rotated 90 degrees or in other directions), and the spatial relative descriptors used in the text will be interpreted accordingly.

[0049] To solve the problems of difficult disassembly of water tanks and troughs, bidirectional leakage, and complicated operation of humidifiers on the market.

[0050] The inventors provide a fluid on / off control device, such as... Figure 1 and Figure 2 As shown, this device is used in a humidifier and includes: an inlet valve assembly 2 and an outlet valve assembly 3. The inlet valve assembly 2 is located at the inlet 4 of the humidifier's water tank; the outlet valve assembly 3 is installed at the outlet 5 of the humidifier's water tank.

[0051] In detail, the water inlet valve assembly 2 includes: a water inlet valve sleeve 6, one end of which is fixedly connected to the water tank housing, and the other end extends outward to form an insertion part 7, which has a hollow cylindrical structure. The water inlet valve assembly 2 also includes a water inlet valve component 8, which is axially slidably fitted inside the water inlet valve sleeve 6 and normally seals the water inlet 4.

[0052] It should be noted that the connection method between the water inlet valve sleeve 6 and the water tank includes integral molding with the water tank or spiral connection by bolts or other fasteners, followed by sealing with a sealing ring 21 at the connection point to achieve a leak-proof seal. As long as the connection can be achieved and there is no leakage, it is acceptable.

[0053] Detailed, such as Figure 3As shown, the water inlet valve component 8 includes a first push rod 9, one end of which is provided with a first sealing element 10; a first spring 11, which is sleeved on the outer periphery of the first push rod 9; a first limiting element 12 and a second limiting element 13, which are respectively located on both sides of the first push rod 9 in the axial direction; wherein, the first limiting element 12 is located on the side closer to the water inlet 4, and the second limiting element 13 is located on the side away from the water inlet 4, the first spring 11 is assembled between the first limiting element 12 and the second limiting element 13, and the two ends of the first spring 11 abut against the first limiting element 12 and the second limiting element 13 respectively.

[0054] In addition, such as Figure 2 As shown, the water outlet valve assembly 3 includes: a water outlet valve sleeve 14, one end of which is inserted into the humidifier water tank, and the other end extends outward to form a mating part 15, the mating part 15 having a hollow cylindrical structure. The water outlet valve assembly 3 also includes a water outlet valve component 16. The water outlet valve component 16 is axially slidably fitted inside the water outlet valve sleeve 14, and normally seals the water outlet 5 of the humidifier water tank.

[0055] It should be noted that, in one specific embodiment, a water pipe is located at the end of the humidifier water tank. This water pipe is sleeved around the outer periphery of the outlet valve sleeve 14 to achieve the insertion connection between the outlet valve sleeve 14 and the humidifier water tank. In other embodiments, the outlet valve sleeve 14 can be integrally formed and connected to the humidifier water tank. The specific connection method between the outlet valve sleeve 14 and the humidifier water tank is not specifically limited here, as long as a connection can be achieved and there is no leakage. The other end of the outlet valve sleeve 14 extends outward to form a mating part 15, which is used to cooperate with the insertion part 7 of the inlet valve sleeve 6 to form an axially separable insertion mating method.

[0056] It should also be noted that "normal state" refers to the situation when the water tank and water basin are not connected. Figure 4 As shown, this is the state when the first seal 10 closes the inlet 4 and the second seal 19 closes the outlet 5. Furthermore, after the water tank and water trough are connected, the inlet valve sleeve 6 and the outlet valve sleeve 14 form a hollow fluid channel 1 that connects the water tank and water trough. The aforementioned inlet valve component 8 and outlet valve component 16 can move axially within this fluid channel 1.

[0057] Detailed, such as Figure 3 As shown, the water outlet valve component 16 includes a second push rod 17, one end of which is provided with a stop member 18 and the other end is provided with a second sealing member 19; a second spring 20 connects the stop member 18 and the second sealing member 19 and is sleeved on the outer periphery of the second push rod 17.

[0058] like Figure 4 and Figure 5As shown, the insertion part 7 is inserted into the mating part 15, the water inlet valve component 8 abuts against the water outlet valve component 16, and the water inlet valve component 8 pushes the water outlet valve component 16 to move along the first direction, while the water outlet valve component 16 pushes the water inlet valve component 8 to move along the second direction.

[0059] It should be noted that the first direction refers to, for example, Figure 4 The direction of movement from left to right in the paper orientation, the second direction refers to, for example... Figure 4 The direction of movement is from right to left on the paper. In this embodiment, continuous movement in the first direction causes the outlet valve component 16 to open the outlet 5; conversely, continuous movement in the second direction causes the inlet valve component 8 to open the inlet 4. It should be noted that the above direction definitions are only examples for the purpose of illustrating the technical solution. In actual applications, the first and second directions can be adjusted to other directions such as up and down movement as needed, and are not limited to the left and right directions on the paper.

[0060] In detail, when the water tank and the water trough are connected, the insertion part 7 of the outlet valve sleeve 14 is inserted axially into the mating part 15 of the inlet valve sleeve 6. First, the second limiting member 13 of the inlet valve assembly 2 contacts the stop member 18 of the drain valve sleeve. As the insertion part 7 penetrates deeper into the mating part 15, because the axial length of the entire outlet valve assembly 16 is greater than the axial length of the entire inlet valve assembly 8 (for example, the length ratio is 2:1), the outlet valve assembly 16 has a longer stroke in the on / off control device. Therefore, the first sealing member 10 of the inlet valve assembly 8 is the first to disengage from the inlet port 4 under the axial movement of the first push rod 9. Subsequently, as the insertion part 7 continues to penetrate deeper, the end of the mating part 15 pushes the stop member 18 to move axially towards the outlet port 5. The stop member 18 overcomes the resistance of the second spring 20 and drives the second push rod 17 to move axially, causing the second sealing member 19 located at the end of the second push rod 17 to disengage from the outlet port 5, completing the opening of the outlet valve and realizing the opening of both valves.

[0061] In other words, the inlet valve component 8 and the outlet valve component 16 are axially abutted in the plugged state and can undergo relative displacement along the axial direction. This linkage process realizes the timing control of opening the inlet valve first and then the outlet valve. It should be understood that the water volume in the water tank is generally large, resulting in a relatively high water pressure at the outlet 5. If the outlet 5 is not blocked by the second seal 19, water will flow out from the outlet 5 instantly. Therefore, the design of opening the inlet 4 first can prepare for the water flow in advance, avoiding the problem of water accumulating at the inlet 4 if the inlet 4 is not opened in time, which would lead to water leakage at the connection between the insertion part 7 and the mating part 15, and ensuring the reliability and sealing of the water circuit switching during the connection process.

[0062] In summary, this technical solution overcomes the problems of jamming and difficulty in disassembly in the prior art by inserting the insertion part 7 and mating part 15. Furthermore, by having the inlet valve component 8 and the outlet valve component 16 axially abut each other in the inserted state and allowing relative displacement along the axial direction, this solution addresses the problem of residual water leakage at the outlet 5 of the water tank and the inlet 4 of the water tank when the water tank and water tank are separated.

[0063] In one embodiment of this utility model, such as Figure 6 As shown, a sealing ring 21 is provided between the connection between the inlet valve sleeve 6 and the outlet valve sleeve 14. This sealing ring 21 is an elastic annular sealing ring 21. The outer periphery of the inlet valve sleeve 6 is provided with a groove 22, and the sealing ring 21 is located in the groove 22.

[0064] When the insertion part 7 is axially inserted into the mating part 15, the inner wall of the outlet valve sleeve 14 will exert radial pressure on the sealing ring 21, forcing the sealing ring 21 to undergo elastic deformation. At this time, under the action of its own elastic restoring force, the sealing ring 21 tightly fills the annular gap between the groove 22 of the inlet valve sleeve 6 and the inner wall of the outlet valve sleeve 14, forming a continuous pressure sealing band, thereby effectively preventing water from leaking through the mating gap and avoiding moisture damage to the electronic components inside the humidifier.

[0065] In addition, in one embodiment of this utility model, as follows: Figure 6 As shown, the outer periphery of the inlet valve sleeve 6 has a first abutting portion 23; the side of the outlet valve sleeve 14 facing the inlet valve sleeve 6 has a second abutting portion 24; in the plugged state, the first abutting portion 23 abuts against the second abutting portion 24.

[0066] When the insertion part 7 is axially inserted into the root 31 of the mating part 15, the first abutting part 23 abuts against the second abutting part 24, making the water tank and the water container tightly connected, preventing water from overflowing from the connection. To further improve the sealing effect, another sealing ring 21 is added to the side of the first abutting part 23 on the outer periphery of the inlet valve sleeve 6. The sealing ring 21 is compressed when the first abutting part 23 and the second abutting part 24 are mated, forming a double sealing structure: the first seal is achieved by the direct contact between the abutting surfaces of the first abutting part 23 and the second abutting part 24, and the second seal is provided by the elastic deformation of the sealing ring 21, thereby ensuring that the connection is completely leak-proof. This design significantly improves the sealing reliability of the connection through the synergistic effect of the double seal.

[0067] In one embodiment of the present invention, the end of the first sealing member 10 is provided with a first inclined surface 25; the end of the water inlet valve sleeve 6 near the water inlet 4 is provided with a second inclined surface 26; under normal conditions, the first inclined surface 25 and the second inclined surface 26 cooperate and abut against each other.

[0068] It should be noted that, under normal circumstances, such as Figure 4 As shown, when the water tank and water tank are not connected, the first sealing element 10 achieves complete sealing of the water inlet 4 by tightly fitting its first inclined surface 25 with the second inclined surface 26 of the water inlet valve sleeve 6.

[0069] In addition, at the moment the sink and water tank separate, by Figure 5 The state becomes Figure 4 In detail, the first spring 11, having lost the abutting force of the axial extension 32 of the stop member 18, recovers its elastic deformation. The reverse force generated by its extension drives the first seal 10 to move axially toward the inlet 4 until the first inclined surface 25 and the second inclined surface 26 form a tight surface contact seal. This automatic reset mechanism ensures that the first seal 10 can immediately close the inlet 4 the moment the water tank is pulled out, effectively preventing residual water in the tank from leaking out of the inlet 4. This design achieves the synchronous completion of separation and seal establishment through the synergistic effect of the energy storage and release of the first spring 11 and the tight surface contact of the two inclined surfaces.

[0070] In one embodiment of the present invention, the stop member 18 has at least two radially extending extensions 27 in the circumferential direction; a flow guiding gap 28 is formed between each extension.

[0071] In one embodiment, such as Figure 7 As shown, the radially extending extension 27 has four sections, forming four flow guide gaps 28. When the water tank and water tank are connected by insertion, the inlet valve assembly 2 and the outlet valve assembly 3 open simultaneously: the first seal 10 disengages from the inlet 4, and the second seal 19 disengages from the outlet 5, forming a through water flow channel. After entering the water tank through the outlet 5, the water flows axially along the surface of the second push rod 17, passes through the four circumferentially distributed flow guide gaps 28 of the stop member 18, and is then guided along the surface of the first push rod 9, finally being smoothly injected into the water tank through the inlet 4.

[0072] In one embodiment of this utility model, the outlet valve sleeve 14 is provided with an outlet 5 at the insertion point between it and the humidifier water tank; the outlet 5 has an inwardly inclined flange 29 in the circumferential direction; the end of the second sealing member 19 is provided with a third inclined surface 30; under normal conditions, the third inclined surface 30 and the flange 29 cooperate to abut against each other.

[0073] It should be noted that, under normal circumstances, this means that when the water tank and water container are not connected, the second sealing element 19 fits tightly with the flange 29 of the outlet valve sleeve 14 through its third inclined surface 30, thereby achieving complete closure of the outlet 5.

[0074] like Figure 5As shown, when the insertion part 7 of the water tank gradually extends into the mating part 15 of the water tank, the end face of the insertion end pushes the stop 18 to move axially, causing the second spring 20 connected to it to be compressed and contracted. Since one end of the second spring 20 is fixed to the stop 18 and the other end abuts against the flange 29 of the mating part 15, the flange 29 restricts the axial displacement of the spring, so the spring can only be compressed and deformed. As the insertion part 7 continues to go deeper, the compression of the second spring 20 gradually increases until the insertion part 7 completely reaches the root 31 of the mating part 15. At this time, the stop 18 is blocked by the root 31 and stops moving. At the same time, the second push rod 17 is pushed axially by the stop 18 to make the second seal 19 displace to the position away from the outlet 5, so that the water in the water tank can flow into the water tank through the outlet 5 (e.g., Figure 5 (The arrow indicates the direction).

[0075] In addition, at the moment the sink separates from the tank, from Figure 5 Turn on Figure 4 In the closed state, the second spring 20, having lost the resisting force of the axial extension 32 of the stop member 18, recovers its elastic deformation. The reverse force generated by its extension drives the second seal 19 to move axially toward the outlet 5 until the third inclined surface 30 and the inclined surface of the flange 29 form a tight surface contact seal. This automatic reset mechanism ensures that the second seal 19 can immediately seal the outlet 5 the moment the water tank is pulled out, effectively preventing water from leaking from the outlet 5. This design achieves the synchronous completion of separation and seal establishment through the synergistic effect of spring energy release and the tight surface contact of the two inclined surfaces.

[0076] In addition, a humidifier is proposed, comprising: a housing and a water tank; the housing is provided with a humidifying air outlet assembly and a water tank connected to the humidifying air outlet assembly; the water tank and the water tank are connected by the aforementioned fluid on / off control device.

[0077] When the water tank of the humidifier needs to be cleaned, simply separate the connection between the water tank and the water container. At the moment of separation, the inlet valve assembly 2 and the outlet valve assembly 3 located on the water tank and the water container respectively will work simultaneously to instantly block their respective inlet 4 and outlet 5, preventing residual water in the water tank and the water container from leaking from the inlet 4 and outlet 5.

[0078] When reinstalling the water tank after cleaning, align the water tank insertion part 7 with the water tank mating part 15 and insert it. During insertion, the end of the insertion part 7 first contacts the radial extension of the stop member 18, while the axial extension 32 of the stop member 18 fits against the second abutment part 24. As the insertion part 7 goes deeper, its end pushes the stop member 18 to move circumferentially toward the outlet 5, and the axial extension 32 of the stop member 18 simultaneously pushes the second limiting member 13 to move axially toward the inlet 4. Since the length of the axial extension 32 of the stop 18 is less than the compression stroke of the second spring 20 (for example, half of the spring compression stroke), when the insertion part 7 is displaced circumferentially, the first seal 10 at the inlet 4 is disengaged first. As the insertion part 7 continues to penetrate deeper into the root 31 of the mating part 15, it pushes the stop 18 against the root 31 of the mating part 15. At this time, the second spring 20 is squeezed and deformed by the axial pushing force, and the second push rod 17 moves towards the outlet 5 under the action of the mating part 15 to drive the second seal 19 to disengage from the outlet 5. The water in the water tank then flows from the outlet 5 to the inlet 4 along the second push rod 17, the stop 18, and the first push rod 9, and finally enters the water tank, completing the process of filling the water tank into the water tank.

[0079] In summary, this technical solution provides a fluid on / off control device. Through the axial sliding fit design of the inlet valve assembly and the outlet valve assembly, it can seal the inlet and outlet under normal conditions. During insertion, it can precisely abut and generate a linkage displacement, allowing the water tank to automatically fill the water tank. This design not only makes the water tank disassembly easy and labor-saving, but also ensures an instant sealing effect at the moment of separation. It effectively solves the problems of jamming, leakage during separation, and cumbersome operation during water filling when disassembling the water tank and water tank in traditional humidifiers.

[0080] In the above embodiments, the descriptions of each embodiment have different focuses. For parts that are not described in detail in a certain embodiment, please refer to the relevant descriptions in other embodiments.

[0081] 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 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 this application.

[0082] 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.

[0083] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a 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.

[0084] 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.

[0085] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this application. The illustrative expressions of the above terms in this specification should not be construed as necessarily referring to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. In addition, those skilled in the art can combine and integrate the different embodiments or examples described in this specification.

[0086] Obviously, those skilled in the art can make various modifications and variations to this application without departing from the spirit and scope of this application. Since these modifications and variations fall within the scope of the claims and their equivalents, this application also intends to include these modifications and variations.

[0087] The above description describes specific embodiments of this application, but the scope of protection of this application is not limited thereto. Any person skilled in the art can easily conceive of various equivalent modifications or substitutions within the technical scope disclosed in this application, and these modifications or substitutions should all be covered within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.

Claims

1. A fluid on / off control device, applied in a humidifier, characterized in that, include: The water inlet valve assembly is located at the water inlet of the humidifier's water tank housing; The water inlet valve assembly includes: a water inlet valve sleeve, one end of which is fixedly connected to the water tank housing and the other end extends outward to form an insertion part; and a water inlet valve component, which is axially slidably fitted inside the water inlet valve sleeve and normally seals the water inlet. The water outlet valve assembly includes: a water outlet valve sleeve, one end of which is inserted into the humidifier water tank and the other end extends outward to form a mating part; and a water outlet valve component, which is axially slidably fitted inside the water outlet valve sleeve and normally seals the water outlet of the humidifier water tank. When the insertion part is inserted into the mating part, the water inlet valve component abuts against the water outlet valve component, and the water inlet valve component pushes the water outlet valve component to move along the first direction. At the same time, the water outlet valve component pushes the water inlet valve component to move along the second direction.

2. The fluid on / off control device according to claim 1, characterized in that: Includes a sealing ring, which is located between the connection between the inlet valve sleeve and the outlet valve sleeve.

3. The fluid on / off control device according to claim 2, characterized in that: The outer periphery of the inlet valve sleeve is provided with a groove, and the sealing ring is located in the groove.

4. The fluid on / off control device according to claim 1, characterized in that: The outer periphery of the inlet valve sleeve has a first abutting portion; the side of the outlet valve sleeve facing the inlet valve sleeve has a second abutting portion; In the plugged-in state, the first abutting part abuts against the second abutting part.

5. The fluid on / off control device according to claim 1, characterized in that: The inlet valve component includes: a first push rod, one end of which is provided with a first sealing element; The first spring is sleeved on the outer periphery of the first push rod; The first limiting member and the second limiting member are located on both sides of the first push rod along the axial direction, respectively; The first spring is assembled between the first limiting member and the second limiting member.

6. The fluid on / off control device according to claim 5, characterized in that: The end of the first seal is provided with a first bevel; The end of the inlet valve sleeve near the inlet is provided with a second inclined surface; Under normal conditions, the first inclined plane and the second inclined plane cooperate and abut against each other.

7. The fluid on / off control device according to claim 1, characterized in that: The water outlet valve component includes: a second push rod, one end of which is provided with a stop and the other end is provided with a second sealing element; The second spring connects the stop and the second seal and is sleeved on the outer periphery of the second push rod.

8. A fluid on / off control device according to claim 7, characterized in that: The stop member has at least two radially extending extensions in the circumferential direction; a flow guiding gap is formed between each extension.

9. A fluid on / off control device according to claim 7, characterized in that: The water outlet is located at the connection between the water outlet valve sleeve and the humidifier water tank, and the water outlet has an inwardly inclined flange in the circumferential direction; the end of the second sealing member is provided with a third inclined surface; under normal conditions, the third inclined surface and the flange are engaged and abutted.

10. A humidifier, characterized in that, include: Shell and water tank; The housing is equipped with a humidification air outlet component and a water tank connected to the humidification air outlet component; The water tank and the water tank are connected by a fluid on / off control device according to any one of claims 1-9.

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