WO2020042478A1

WO2020042478A1 - Water outlet valve structure and humidifier comprising same

Info

Publication number: WO2020042478A1
Application number: PCT/CN2018/122925
Authority: WO
Inventors: 侯剑飞; 林振华; 周金宝; 黄中平; 孙土春; 李国亮; 张建华; 莫贤乐
Original assignee: 珠海格力电器股份有限公司
Priority date: 2018-08-27
Filing date: 2018-12-22
Publication date: 2020-03-05
Also published as: CN108775407A; CN108775407B

Abstract

A water outlet valve structure and a humidifier comprising same. The water outlet valve structure is provided at a water outlet of a water tank, and comprises a housing (1) and a valve core assembly, the housing (1) comprising a plurality of parts (11, 12), a flow passage (111, 121) being formed in each of the parts (11, 12), and the plurality of flow passages (111, 121) being in communication; the valve core assembly comprises a plurality of parts (21, 22), each of the parts (21, 22) corresponding to one of the flow passages (111, 121), and each of the parts (21, 22) of the valve core assembly being able to independently block the flow passage (111, 121) corresponding thereto. As the water outlet valve structure comprises the plurality of parts (11, 12), each of the parts (11, 12) comprising an independent flow passage (111, 121) and a valve core assembly, so as to form multiple sealing to improve the sealing effect, and the multiple sealing arrangement is able to avoid water leakage even though the sealing of a part of the valve core assembly has failed, improving the reliability of the water outlet valve structure.

Description

Water outlet valve structure and humidifier including same

This application claims the priority of a Chinese patent application filed on August 27, 2018 with the Chinese Patent Office, application number 201810978833.3, and the invention name is "outlet valve structure and humidifier including it", the entire contents of which are incorporated herein by reference. Applying.

Technical field

The invention relates to the technical field related to a water outlet valve, in particular to a water outlet valve structure and a humidifier including the same.

Background technique

Water appliances such as humidifiers are equipped with a water outlet valve structure at the water outlet of the water tank to control the water outlet. Currently, the water outlet valve structure of the humidifier commonly used in the market is mostly a single-sealed structure. 3. The assembly cost is relatively low, so most manufacturers will choose this type of water outlet valve structure.

However, the reliability of the single-sealed structure is not high. Once the seal fails, it is easy to cause water leakage. After the water leakage occurs on electrical equipment, accidents such as electricity leakage may be caused, threatening the safety of users.

Summary of the Invention

In view of this, one object of the present invention is to provide a water outlet valve structure having a multiple sealing structure and a humidifier including the same.

First, provide

A water outlet valve structure is provided at a water outlet of a water tank, and includes a casing and a valve core assembly.

The housing includes a plurality of parts, and a flow channel is formed in each part, and a plurality of the flow channels communicate with each other;

The valve core assembly includes a plurality of parts, each part corresponding to one of the flow channels, and each part of the valve core assembly can independently block the flow channel corresponding thereto.

Preferably, the housing includes a first housing and a second housing, a first flow passage is formed in the first housing, a second flow passage is formed in the second housing, and the first housing and The second casing is hermetically connected.

Preferably, a communication cavity is formed in the first housing and / or the second housing, and the communication cavity is located between the first flow passage and the second flow passage, and the first flow passage and the first flow passage Each of the two flow channels can communicate with the communication cavity.

Preferably, the first casing and the second casing are detachably connected.

Preferably, a first valve core assembly is provided in the first flow channel, and the first valve core component can block or open the first flow channel.

A second valve core assembly is provided in the second flow channel, and the second valve core component can block or open the second flow channel.

The first spool assembly and the second spool assembly act synchronously, so that the first flow passage and the second flow passage are blocked or opened at the same time,

The first spool assembly and the second spool assembly constitute the spool assembly.

Preferably, the first valve core assembly includes a first sealing portion and a first valve core, and the first sealing portion is disposed on the first valve core and is capable of moving with the first valve core,

The second valve core assembly includes a second sealing portion and a second valve core, and the second sealing portion is disposed on the second valve core and is capable of moving with the second valve core.

Preferably, a water outlet channel is provided on the second casing, and the water outlet channel is in communication with the second flow channel.

Preferably, an angle is formed between the extension direction of the outlet flow channel and the extension direction of the second flow channel.

Preferably, a blocking structure is provided on the second casing, and the blocking structure blocks an end of the second flow path away from the first casing.

Preferably, the plugging structure includes a corrugated cover and a connecting portion, and the corrugated cover blocks an end of the second flow path away from the first housing, and the connecting portion connects the corrugated cover Onto the second casing.

Preferably, the corrugated cover can be deformed under an external force so as to provide thrust to the second valve core.

According to a second aspect, a humidifier is provided, which includes a water tank and a base, and the water outlet of the water tank is provided with the above-mentioned water outlet valve structure.

The water outlet valve structure provided by the present invention includes multiple parts, and each part includes independent flow channels and valve core components, so that multiple seals can be formed to improve the sealing effect. In addition, the multiple seals can prevent water leakage after the seal of some valve core components fails, and improve the reliability of the water outlet valve structure.

BRIEF DESCRIPTION OF THE DRAWINGS

The above and other objects, features, and advantages of the present invention will be more apparent from the following description of embodiments of the present invention with reference to the accompanying drawings, in which:

FIG. 1 is a schematic structural diagram of a water outlet valve structure provided by the present invention; FIG.

FIG. 2 shows an exploded structure diagram of a water valve structure;

Fig. 3 is a schematic cross-sectional view at A-A in Fig. 1.

detailed description

The present invention is described below based on examples, but the present invention is not limited to these examples. Those of ordinary skill in the art should understand that the drawings provided herein are for the purpose of illustration, and the drawings are not necessarily drawn to scale.

Unless the context clearly requires otherwise, the words "including", "comprising" and the like throughout the specification and claims should be interpreted as inclusive rather than exclusive or exhaustive; that is, "including but not limited to" Meaning.

In the description of the present invention, it should be understood that the terms “first”, “second”, and the like are used for descriptive purposes only, and cannot be understood to indicate or imply relative importance. In addition, in the description of the present invention, unless otherwise stated, "a plurality" means two or more.

The water outlet valve structure provided by the invention is arranged at the water outlet of the water tank, and is used for controlling the water outlet of the water tank, and is particularly suitable for electrical equipment such as a humidifier.

As shown in FIGS. 1 and 2, the water outlet valve structure provided by the present invention includes a housing 1 and a valve core assembly. A flow passage for water supply is formed in the housing 1, and the valve core assembly is movably disposed in the housing 1. The casing 1 is capable of blocking the flow channel in at least one position.

The casing 1 includes a plurality of sections, and each of the sections is formed with the flow channel, and a plurality of the flow channels communicate with each other. Correspondingly, the valve core assembly also includes a plurality of parts, each part corresponding to one of the flow channels, and each part of the valve core assembly can independently block the corresponding flow channel. .

In a specific embodiment, the casing 1 includes a first casing 11 and a second casing 12, and a flow channel is formed inside the first casing 11 and the second casing 12, and the first casing The body 11 and the second casing 12 are connected, and a sealing structure is formed at the connection. For example, a seal (such as a seal ring) is provided at the connection between the first casing 11 and the second casing 12. Preferably, the first casing 11 and the second casing 12 are detachably connected, for example, connected by a thread, a buckle, a turn buckle, or the like. In this embodiment, the first casing 11 and the second casing 12 are both generally configured as a cylindrical structure, and at a first end of the first casing 11 and a first end of the second casing 12 For connection, preferably, the first end of the second casing 12 can be inserted into the first end of the first casing 11 and is provided on the inner wall of the first end of the first casing 11 and The latching structure provided on the outer wall of the first end of the second casing 12 is used for latching, and the latching is preferably achieved by rotating the latching. A sealing ring is provided at the connection point of the first casing 11 and the second casing 12 to achieve sealing at the connection point of the two.

A first flow passage 111 is formed in the inner cavity of the first housing 11 along its axial direction, and a second flow passage 112 is formed in the inner cavity of the second housing 12 along its axial direction. The first flow passage 111 and The second flow channel 112 is preferably a tubular channel. Preferably, the axes of the first flow channel 111 and the second flow channel 112 are collinear. A communication cavity 113 is also formed in the first casing 11. After the first casing 11 and the second casing 12 are connected, the communication cavity 113 and the first flow channel 111 and the second flow channel 112 are both connected. Communication, that is, the first flow passage 111 and the second flow passage 112 communicate through the communication cavity 113, so that a gap is formed between the first flow passage 111 and the second flow passage 112, and a space is provided for the installation of the spool assembly ( (Detailed below). In other embodiments, the communication cavity 113 may be formed in the second casing 12, or a communication cavity is provided in both the first casing 11 and the second casing 12.

As shown in FIGS. 2 and 3, corresponding to the structure of the housing 1, the valve core assembly includes a first valve core assembly 21 installed in the first housing 11, and a first valve core assembly installed in the first housing 11. The second valve core assembly 22 in the two casing 12. The first valve core assembly 21 includes a first valve core 211 and a first sealing portion 212. The first valve core 211 is configured as a rod-like structure, and the first sealing portion 212 is configured as a rod-like structure. An axial direction of the first flow channel 111 is slidably disposed in the first flow channel 111. A first guide structure 112 is disposed in the first flow channel 111, and the first guide structure 112 faces the first valve core. The sliding of 211 guides, and at the same time, it can also play a role of supporting and limiting the first valve core 211. The first sealing portion 212 is configured as a disc-shaped or table-shaped structure. A mounting hole is provided at a center position of the first sealing portion 212. The first valve body 211 cannot move relative to the first valve body 211 in the axial direction. The first sealing portion 212 is preferably made of a material such as rubber, and can block the first flow channel 111. After the first spool assembly 21 is installed, the first sealing portion 212 is located at the second end of the first housing 11, and, in the first position, the first sealing portion 212 is at the first The valve core 211 is pressed against the end of the first flow channel 111 to block the first flow channel 111. In the second position, the first sealing portion 212 and the first flow channel 111 are blocked. A gap is formed between the ends, and the gap water flows into the first flow channel 111. The first spool assembly 21 further includes a first biasing member 213. The first biasing member 213 provides a biasing force to enable the first spool 211 to move toward the first end of the first housing 11. Move to the first position.

The second valve core assembly 22 includes a second valve core 221 and a second sealing portion 222. The second valve core 221 is configured as a rod-shaped structure, and the second sealing portion 222 is configured as a rod-shaped structure. The second flow passage 121 is slidably disposed in the axial direction of the second flow passage 121, and a second guide structure 122 is disposed in the second flow passage 121. The second guide structure 112 faces the first flow passage 121. The sliding of the two valve cores 221 can be guided, and at the same time, it can also play a role of supporting and limiting the second valve core 221. The second sealing portion 222 is configured as a disc-shaped or table-shaped structure. A mounting hole is provided at a center position of the second sealing portion 222. The second sealing portion 222 is fixedly mounted on the second valve core 221 through the mounting hole. The second valve core 221 cannot move relative to the second valve core 221 in the axial direction. The second sealing portion 222 is preferably made of a material such as rubber, and can block the second flow passage 121. After the second spool assembly 22 is installed, the second sealing portion 222 is located at a first end of the second housing 12, and, in a first position, the second sealing portion 222 is at the second end The spool 221 is pressed against the end of the second flow path 121 to block the second flow path 121. In the second position, the second sealing portion 222 and the second flow path are blocked. A gap is formed between the ends of the channels 111, and the gap water is supplied into the second flow channel 121. The second spool assembly 22 further includes a second biasing member 223 that provides a biasing force to enable the second spool 221 to move toward the second end of the second housing 12. Move to the first position.

The first valve core 211 and the second valve core 221 act synchronously, that is, when the first valve core 211 is located in the first position, the second valve core 221 is also located in the first position at the same time. At this time, the first sealing portion 212 and the second sealing portion 222 block the first flow channel 111 and the second flow channel 121 at the same time. At this time, the first flow channel 111 and the second flow channel 121 are blocked. Not connected. Under the action of external force, the second valve core 221 can move upward and synchronously drive the first valve core 211 to move upward, thereby separating the second sealing portion 222 from the second flow path 121. The first sealing portion 212 is separated from the first flow channel 111. At this time, the first flow channel 111 and the second flow channel 121 are in communication, and water can flow in through the first flow channel 111 and pass through the second flow channel. 121 flows out of the casing 1.

Preferably, in the first position, the first valve core 211 and the second valve core 212 are in contact. Further, in the first position, the first valve core 211 and the second valve core 212 contact, but there is no interaction between the two. This can ensure that the actions of the first valve core 211 and the second valve core 221 are synchronized.

Preferably, the second casing 12 is further provided with a water outlet channel 123, which is in communication with the second flow channel 121, and the water outlet channel 123 is used for the outflow of water in the casing 1. Preferably, the water outlet channel 123 extends along a radial direction of the second casing 12. Correspondingly, the second casing 12 is also provided with a blocking structure, which blocks the second end of the second casing 12 to prevent water from flowing from the second casing 12 The second end flows out, and the plugging structure preferably includes a deformable portion, so that the second spool 221 can be controlled to move by the deformable portion. Specifically, in this embodiment, the plugging structure includes a corrugated cover 124 which is a flexible material and can be deformed by an external force. The corrugated cover 124 transforms the second housing 12 The second end is blocked. The plugging structure further includes a connecting portion 125 that fixes the corrugated cover 124 on the second casing 12. Preferably, the connecting portion 125 is configured as a cover-like structure at the center thereof. A through hole is formed at the position, through which the pressure can be applied to the corrugated cover 124, or the connection structure is a ring structure, and the connection structure 125 can press the edge of the corrugated cover 124 to the On the second casing 12.

The present invention also provides a humidifier. The humidifier includes a water tank and a base. The water outlet of the water tank is provided with the water outlet valve structure, and water is injected into the water tank through opening and closing control of the water outlet valve structure.

Those skilled in the art can easily understand that, under the premise of no conflict, the foregoing preferred solutions can be freely combined and superimposed.

It should be understood that the above-mentioned implementations are merely exemplary and not restrictive, and various obvious or equivalent ones that can be made by those skilled in the art with respect to the above details without departing from the basic principles of the present invention Modifications or replacements are all included in the scope of the claims of the present invention.

Claims

A water outlet valve structure is provided at a water outlet of a water tank, and is characterized in that it includes a housing and a valve core assembly.

The housing includes a plurality of parts, and a flow channel is formed in each part, and a plurality of the flow channels communicate with each other;

The valve core assembly includes a plurality of parts, each part corresponding to one of the flow channels, and each part of the valve core assembly can independently block the flow channel corresponding thereto.
The water outlet valve structure according to claim 1, wherein the casing comprises a first casing and a second casing, a first flow channel is formed in the first casing, and a second flow channel is formed in the second casing. A second flow channel, the first casing and the second casing are hermetically connected.
The water outlet valve structure according to claim 2, wherein a communication cavity is formed in the first housing and / or the second housing, and the communication cavity is located in the first flow passage and the second flow passage In between, both the first flow channel and the second flow channel can communicate with the communication cavity.
The water outlet valve structure according to claim 2, wherein the first casing and the second casing are detachably connected.
The water outlet valve structure according to claim 2, wherein a first valve core assembly is provided in the first flow channel, and the first valve core component can block or open the first flow channel,

A second valve core assembly is provided in the second flow channel, and the second valve core component can block or open the second flow channel.

The first spool assembly and the second spool assembly act synchronously, so that the first flow passage and the second flow passage are blocked or opened at the same time,

The first spool assembly and the second spool assembly constitute the spool assembly.
The water outlet valve structure according to claim 5, wherein the first valve core assembly includes a first sealing portion and a first valve core, and the first sealing portion is disposed on the first valve core and is capable of As the first spool moves,

The second valve core assembly includes a second sealing portion and a second valve core, and the second sealing portion is disposed on the second valve core and is capable of moving with the second valve core.
The water outlet valve structure according to claim 5, wherein a water outlet channel is provided on the second casing, and the water outlet channel is in communication with the second flow channel.
The outlet valve structure according to claim 7, wherein an angle is formed between an extension direction of the outlet flow channel and an extension direction of the second flow channel.
The water outlet valve structure according to claim 7, wherein a blocking structure is provided on the second housing, and the blocking structure faces an end of the second flow path away from the first housing. Blocked.
The outlet valve structure according to claim 9, wherein the plugging structure comprises a corrugated cover and a connection portion, and the corrugated cover seals an end of the second flow path away from the first housing. The connection part connects the corrugated cover to the second casing.
The water outlet valve structure according to claim 10, wherein the corrugated cover can be deformed under an external force to provide thrust to the second valve core.
A humidifier comprising a water tank and a base, wherein the water outlet of the water tank is provided with the water outlet valve structure according to any one of claims 1-11.