WO2020042477A1

WO2020042477A1 - Humidifier water tank assembly, filtering device and humidifier comprising same

Info

Publication number: WO2020042477A1
Application number: PCT/CN2018/122924
Authority: WO
Inventors: 黄忠平; 马如意; 梁刚
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: CN108870605A

Abstract

A humidifier water tank assembly, a filtering device (10), and a humidifier comprising same. The humidifier water tank assembly comprises a water tank (20), the filtering device (10), and a water outlet cover (30), wherein the water outlet cover (30) is disposed at a water outlet of the water tank (20) and is used for controlling water coming out from the water tank (20), and the filtering device (10) is disposed at a water injection port of the water tank (20) and filters water injected into the water tank (20), and/or the filtering device (10) is disposed at the water outlet of the water tank (20), so that the water in the water tank (20) is filtered and then flows to the water outlet cover (30). The humidifier water tank assembly is provided with the filtering device (10) at the water injection port and/or the water outlet to filter water and remove harmful substances in the water, such as particulate impurities or bacteria, thereby carrying out the function of protecting the water outlet cover (30), thus preventing harmful substances in the water from causing wear or corrosion to components in the water outlet cover (30) and prolonging the service life of the water outlet cover (30).

Description

Humidifier water tank assembly, filtering device 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 201810978868.7, and the invention name is "humidifier water tank assembly, filter device, and humidifier including the same." Citations are incorporated in this application.

Technical field

The invention relates to the related technical field of humidifiers, in particular to a humidifier water tank component, a filtering device and a humidifier including the same.

Background technique

An air humidifier is a device for maintaining the humidity of indoor air. It mainly atomizes water into ultra-fine particles and blows the water mist to the outside through a fan to increase the humidity of the environment. With the development of economy and society and the improvement of people's living standards, air humidifiers with reliable functions and good purification effects are becoming more and more popular. Traditionally, water-filled humidifiers are sealed with silicone parts, which have high requirements on water quality. Even if the added water is relatively good, such as secondary pollution in the water tank, corrosion of the silicone seals, or leakage of water will still occur.

Summary of the Invention

In view of this, one object of the present invention is to provide a humidifier water tank assembly, a filtering device, and a humidifier including the same that can filter water flowing through the outlet cover to improve water quality and extend the service life of the outlet cover.

In a first aspect, a humidifier water tank assembly is provided, which includes a water tank, a filtering device, and a water outlet cover. The water outlet cover is provided at a water outlet of the water tank for controlling the water outlet of the water tank.

The filtering device is disposed at a water injection port of the water tank, and filters water injected into the water tank, and / or,

The filtering device is disposed at a water outlet of the water tank, so that the water in the water tank is filtered and then flows to the water outlet cover.

Preferably, the filtering device is disposed at a water outlet of the water tank, and the filtering device is located on an upstream side of the water outlet cover in a water flow direction.

Preferably, the filtering device includes a filtering support and a filtering screen, the filtering support includes an outer shell and an inner shell, and both of the outer shell and the inner shell are configured as a cylindrical structure, and the inner shell is provided on the inner side of the outer shell, and A gap is formed between the inner shell and the outer shell, and the filter is disposed in a gap between the outer shell and the inner shell.

Preferably, the filter bracket further includes a connecting portion for connecting the first end of the outer casing and the first end of the inner casing, and the second end of the outer casing and the second end of the inner casing. As the free end, the outer shell, the inner shell, and the connecting portion surround a receiving space for receiving the filter screen.

Preferably, a water inlet is provided on the outer shell, the inner shell and / or the connecting part, and the water supplied from the water inlet flows into the filter bracket; and / or,

A gap between the second end of the outer shell and the second end of the inner shell constitutes a drain.

Preferably, the filter bracket further includes a plugging structure that plugs a radially inner side of the inner shell.

Preferably, a limiting structure is provided on the filtering device, and the limiting structure cooperates with the structure on the water tank to limit the filtering device so that the filtering device cannot rotate.

Preferably, the filtering device is provided with a mounting structure for realizing connection with the water tank. The mounting structure includes a pressing portion and a clamping portion provided on the pressing portion. The pressing portion At least a part of the structure of the pressing portion connected to the casing can be moved radially inward of the casing under pressure, and the engaging portion moves with the pressing portion.

Preferably, the housing is provided with an avoidance hole for avoiding the mounting structure, and the pressing portion is provided corresponding to the avoidance hole; and / or,

The pressing portion has an elongated plate-like structure, a first end of the pressing portion is connected to a second end of the housing or a position near the second end, a second end of the pressing portion is a free end, and the pressing portion The part constitutes a cantilever structure.

Preferably, a buckle is provided on the water tank, and the buckle is engaged with the mounting structure; and / or,

The buckle cooperates with the limiting structure to limit the filtering device.

According to a second aspect, there is provided a filtering device for use in the above water tank assembly, the filtering device including a filter bracket and a filter net, the bracket including an outer shell, an inner shell, and a connecting portion, and the outer shell and the inner shell are both configured as a cylinder Structure, the inner shell is disposed inside the outer shell, the connecting portion is used to connect the first end of the outer shell and the first end of the inner shell, the second end of the outer shell and the second end of the inner shell The end is a free end, and the outer shell, the inner shell, and the connecting portion surround a receiving space, and the filter is disposed in the receiving space.

Preferably, in the axial direction of the outer shell, the second end of the inner shell is located inside the second end of the outer shell.

Preferably, a water inlet is provided on the outer shell, the inner shell and / or the connecting portion, and the water supplied from the water inlet flows into the accommodation space; and / or,

Preferably, the stent further includes a blocking structure, which is disposed on a radially inner side of the inner shell, and blocks the radially inner side of the inner shell.

Preferably, the plugging structure is located between a first end and a second end of the inner shell,

The inner shell is provided with a water inlet and a drain at the same time, the water inlet and the drain are located on both sides of the plugging structure, the water inlet is on a side close to the first end of the inner shell, the The drain is located on a side near the second end of the inner shell.

A third aspect provides a humidifier including the water tank assembly and a base described above, and the water tank assembly is disposed on the base.

The humidifier water tank assembly provided by the present invention is provided with a filtering device at the water injection port and / or the water outlet to filter the water quality and remove harmful substances such as particulate impurities or bacteria in the water, thereby protecting the water outlet cover. Function to prevent harmful substances in the water from causing wear or corrosion to the components in the water outlet cover, and prolong the service life of the water outlet cover.

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 diagram showing an explosion structure of a water tank component of a humidifier provided by the present invention; FIG.

Figure 2 shows a schematic sectional view of a water tank component;

FIG. 3 is a schematic diagram showing an explosion structure of a filtering device provided by the present invention; FIG.

FIG. 4 is a schematic structural view of a filter holder.

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.

As shown in FIGS. 1 and 2, the humidifier water tank assembly provided by the present invention includes a water tank 20. The water tank 20 is provided with a filtering device 10 and a water outlet cover 30. The filtering device 10 and the water outlet cover 30 are disposed on the water tank 20. At the water outlet of the water tank 20, and in the direction of the water flow, the filtering device 10 is located on the upstream side of the water outlet cover 30, so that water is filtered by the filtering device 10 and then flows out to the water tank through the water outlet cover 30 20 outside. Preferably, in other embodiments, a filtering device may also be provided at the water injection port of the water tank 20 to filter the water entering the water tank 20 so as to improve the water quality of the water in the water tank 20. In this embodiment, the filtering device 10 is disposed at the water outlet, so that the quality of the water passing through the water outlet cover 30 can be ensured, and the impurities in the water will not cause damage to the components in the water outlet cover 30. . In addition, this arrangement can also filter harmful substances generated in the water tank 20 caused by secondary pollution in the water tank 20.

The water outlet cover 30 includes a cover body 31 and an opening and closing structure 32. A water flow channel is provided on the cover body 31, and the opening and closing structure 32 is disposed in the water flow channel. And the opening and closing structure 32 can be moved between the first position and the second position, so that when the opening and closing structure 32 is located at the first position, the water flow channel is closed, and when the opening and closing structure 32 is located at When the second position or when leaving the first position, the water flow channel is opened, and the water in the water tank 20 can flow out through the water flow channel. A sealing member 321 is provided on the blocking structure 32, and the water flow channel is closed by the sealing member 321. The sealing member 321 is preferably a rubber material structure.

As shown in FIG. 3, the filtering device 10 provided by the present invention includes a filter bracket 1 and a filter screen 2. The filter screen 2 is mounted on the filter bracket 1, and the filter bracket 1 is installed at the outlet of the water tank 20 of the humidifier. The filter screen 2 is preferably a sponge-like structure, and can filter the water flowing out of the water tank 20 through the outlet of the water tank 20 to remove larger particulate impurities in the water. Alternatively, the filter screen 2 can also be selected from other structures. Filter structure to achieve different filtering and sterilizing effects.

As shown in FIGS. 3 and 4, the bracket 1 includes an outer shell 11 and an inner shell 12 configured as a cylindrical structure, and a radial dimension of the inner shell 12 is smaller than a radial dimension of the outer shell 11, and the inner shell 12 It is disposed on the inner side of the outer shell 11. Preferably, the axis of the outer shell 11 and the inner shell 12 are collinear, and the axial dimension of the inner shell 12 is equal to or smaller than the axial dimension of the outer shell 11. The first end portion of the inner shell 12 and the first end portion of the outer shell 11 are connected by a connecting portion 13. Preferably, the inner shell 12 and the first end portion of the outer shell 11 are located in the same plane. The second ends of the outer shell 11 and the inner shell 12 are free ends, and the drainage port of the filtering device 10 is formed between the second end of the outer shell 11 and the second end of the inner shell 12. Preferably, the second end of the inner shell 12 is located inside the outer shell 11 in the axial direction, so that the second end of the inner shell 12 and the second end of the outer shell 11 form an offset structure in the axial direction. The dislocation structure can make the area of the drainage opening larger and increase the drainage capacity. The inner shell 12, the outer shell 11, and the connecting portion 13 collectively enclose an annular receiving space with one end open. The open end constitutes a drainage opening of the filtering device 10. The filter screen 2 is preferably connected to the receiving space. Shape-matched cylindrical structure, the filter screen 2 slides into the receiving space along the axial direction from the open end of the receiving space, preferably, the filter screen 2 and the bracket 1 form an interference Cooperate to prevent the filter screen 2 from falling off the bracket 1.

The stent 1 further includes a blocking structure 14 which is connected to the inner shell 12 and blocks the radially inner side of the inner shell 12 so that the inner shell 12 is not axially It is through so that water cannot flow through the inner shell 12 along the axial direction of the inner shell 12. Preferably, the plugging structure 14 is configured as a plate-like structure, and is disposed perpendicular to the axis of the inner shell 12 at a position near the second end of the inner shell 12.

The blocking structure 14 is provided so that water can only enter the accommodating space between the outer shell 11 and the inner shell 12 through the water inlet, and is filtered out by the filter screen 2 and then flows out. The outer casing 11, the inner casing 12, and / or the connecting portion 13 are provided with the water inlet. Preferably, the water inlet is a circular, square, oval, or other arbitrary shaped hole, preferably an elongated hole. Structure in order to get more water inflow. The casing 11 is provided with a first water inlet 111 extending along an axial direction of the casing 11, and a plurality of the first water inlets 111 are provided along a circumferential direction of the casing 11. The first water inlets 111 are evenly distributed along the circumferential direction of the casing 11. The first water inlet 111 is not connected to the second end of the casing 11, so that the second end of the casing 11 is a complete structure along the circumferential direction, so that the casing 11 can contact the water tank 20 to achieve sealing. (Described in detail below), preferably, a sealing structure is provided at the second end portion of the housing 11, for example, a structure such as a sealing ring is provided at the second end of the housing 11. A second water inlet is provided on the inner shell 12. The second water inlet is located between a first end of the inner shell 12 and the plugging structure 14. Preferably, the inner shell 12 is formed on the inner shell 12. There is a through-hole 121 extending along its axis. In the axial direction of the inner shell 12, the plugging structure 14 divides the through-hole 121 into two parts, and is formed near the first end of the inner shell 12. The portion of the second water inlet that is located near the second end of the inner shell 12 can be used for water outlet, and constitutes the drainage outlet of the filtering device 10, that is, the water flowing through the filter screen 2 can flow out through this portion, and further The through hole 121 may communicate with the second end of the inner shell 12. A third water inlet (not shown in the figure) may be provided on the connecting portion 13, or the third water inlet is not provided on the connecting portion 13, so that the connecting portion 13 forms a complete ring-shaped plate structure. To increase the strength of the filter holder 1.

The housing 11 is provided with a mounting structure 15 for connecting with a related structure above. The mounting structure 15 includes a pressing portion 151 and a clamping portion 152. The pressing portion 151 is configured as an elongated shape. Plate structure. An escape hole 112 is formed in the housing 11 for avoiding the mounting structure 15. A first end of the pressing portion 151 is connected to a second end of the housing 11 and a second end of the pressing portion 151. For the free end, the pressing portion 151 is configured as a cantilever beam. The pressing portion 151 is parallel to the axis of the housing 11 and corresponds to the avoidance hole 112. The pressing portion 151 can be moved away from the pressing portion A portion of the first end is moved radially inward of the casing 11. The latching portion 152 is configured as a convex structure formed on a surface of the pressing portion 151 on the radially outer side of the housing 11, and is disposed near the first end of the pressing portion 151 and at a certain distance from the first end. The position of the distance enables the engaging portion 152 to move along with the pressing portion 151 and cause a certain amount of displacement toward the radially inner side of the casing 11. The engaging portion 152 is engaged with the buckle 21 provided on the water tank 20, and the engaging portion 152 is moved radially inward of the housing 11 through the engaging portion 152 to make the engaging portion 152 and the water tank 20 The buckle 21 is separated (described in detail below). Preferably, the surface of the engaging portion 152 near the first end of the pressing portion 151 is configured as an inclined surface, and the inclined surface is guided through the engaging process to facilitate the engaging with the buckle 21 on the water tank 20. One or more mounting structures 15 are provided. In this embodiment, two mounting structures 15 are oppositely provided.

Preferably, the housing 11 is further provided with a limiting structure. When the limiting structure cooperates with the buckle 21 on the water tank 20 to make the filter device 10 installed, the bracket 1 cannot rotate in its circumferential direction. Specifically, the limiting structure includes a limiting block 16 formed on the housing 11 at a position where the mounting structure 15 is provided. Preferably, the limiting blocks 16 are provided on both sides of the mounting structure 15. Each of the limiting blocks 16 constitutes the limiting structure, and a limiting space is formed between the two limiting blocks 16. During installation, the buckle 21 is located between the two limiting blocks 16. Within the limit space. Preferably, each of the mounting structures 15 corresponds to one of the limiting structures. Alternatively, in other embodiments, the limiting structure may also be coordinated with other structures on the water tank 20 to perform the limiting, for example, a structure such as a limiting column is provided on the water tank 20.

As shown in FIG. 2, the filtering device 10 is provided at the water outlet of the water tank 20, and a buckle 21 is provided at the water outlet of the water tank 20, and the buckle 21 is configured to face the water tank 20. An elongated structure formed on the inner side, the hook 21 is formed with a hook to realize the hooking with the hooking portion 152, and the hook can be hooked with the hooking portion 152. When installed, The second end portion of the casing 11 is in contact with the inner wall of the water tank 20 and forms a sealed contact. During installation, the buckle 21 is located between the two limiting blocks 16, that is, to limit the filtering device 10 and guide its installation. When the filtering device 10 needs to be disassembled, pressing the pressing portion 151 can displace the latching portion 152 toward the radially inner side of the casing 11, so that the latching portion 152 and the latch 21 are displaced. After being separated, the filtering device 10 can be separated from the water tank 20.

The present invention also provides a humidifier, including the above-mentioned humidifier water tank assembly. Preferably, the humidifier is a top-water humidifier.

The humidifier water tank assembly provided by the present invention is provided with a filtering device, and the filtering device is arranged on the upstream side of the water outlet cover, so that the water flows through the filtering device to be filtered and then flows through the water outlet cover, so that the impurities in the water can be prevented from covering the water outlet cover. The seals cause damage, extend their service life, and ensure seal reliability.

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 humidifier water tank assembly, characterized in that it comprises a water tank, a filtering device and a water outlet cover, and the water outlet cover is provided at the water outlet of the water tank for controlling the water outlet of the water tank,

The filtering device is disposed at a water injection port of the water tank, and filters water injected into the water tank, and / or,

The filtering device is disposed at a water outlet of the water tank, so that the water in the water tank is filtered and then flows to the water outlet cover.
The water tank assembly according to claim 1, wherein the filtering device is disposed at a water outlet of the water tank, and the filtering device is located on an upstream side of the water outlet cover in a water flow direction.
The water tank assembly according to claim 2, wherein the filtering device comprises a filter bracket and a screen, the filter bracket comprises an outer shell and an inner shell, and the outer shell and the inner shell are both configured as a cylindrical structure, and the An inner shell is disposed inside the outer shell, a gap is formed between the inner shell and the outer shell in a radial direction, and the filter is disposed in a gap between the outer shell and the inner shell.
The water tank assembly according to claim 3, wherein the filter bracket further comprises a connecting portion for connecting a first end of the outer casing and a first end of the inner casing, and the outer casing The second end of the inner shell and the second end of the inner shell are free ends, and the outer shell, the inner shell, and the connecting portion surround a receiving space for receiving the filter screen.
The water tank assembly according to claim 4, wherein a water inlet is provided on the outer shell, the inner shell, and / or the connecting portion, and the water from the water inlet flows into the filter bracket; and / or,

A gap between the second end of the outer shell and the second end of the inner shell constitutes a drain.
The water tank assembly according to claim 3, wherein the filter bracket further comprises a plugging structure, and the plugging structure plugs a radially inner side of the inner shell.
The water tank assembly according to any one of claims 3 to 6, characterized in that the filtering device is provided with a finite position structure, and the limiting structure cooperates with the structure on the water tank to limit the filtering device, The filter device is prevented from rotating.
The water tank assembly according to claim 7, wherein the filtering device is provided with a mounting structure, the mounting structure is used for connection with the water tank, and the mounting structure includes a pressing portion and a pressing portion The pressing portion is connected to the housing, and at least part of the structure of the pressing portion can be moved radially inward of the housing under pressure, and the locking portion follows the The pressing part moves.
The water tank assembly according to claim 8, wherein the housing is provided with an escape hole for avoiding the mounting structure, and the pressing portion is provided corresponding to the escape hole; and / or,

The pressing portion has an elongated plate-like structure, a first end of the pressing portion is connected to a second end of the housing or a position near the second end, a second end of the pressing portion is a free end, and the pressing portion The part constitutes a cantilever structure.
The water tank assembly according to claim 8, wherein the water tank is provided with a buckle, and the buckle is engaged with the mounting structure; and / or,

The buckle cooperates with the limiting structure to limit the filtering device.
A filtering device for use in a water tank assembly according to any one of claims 1 to 10, wherein the filtering device includes a filtering bracket and a filter screen, the bracket includes an outer shell, an inner shell, and a connecting portion, and Both the outer shell and the inner shell are configured as a cylindrical structure, the inner shell is provided inside the outer shell, and the connecting portion is used to connect the first end of the outer shell and the first end of the inner shell. The second end and the second end of the inner shell are free ends. The outer shell, the inner shell, and the connecting portion surround a receiving space, and the filter is disposed in the receiving space.
The filtering device according to claim 11, wherein a second end of the inner casing is located inside the second end of the outer casing in an axial direction of the outer casing.
The filtering device according to claim 11, wherein the outer shell, the inner shell, and / or the connecting portion are provided with a water inlet, and the water from the water inlet flows into the accommodation space; and / or,

A gap between the second end of the outer shell and the second end of the inner shell constitutes a drain.
The filtering device according to claim 11, wherein the bracket further comprises a plugging structure, the plugging structure is disposed on a radially inner side of the inner shell, and seals a radially inner side of the inner shell. Blocking.
The filtering device according to claim 14, wherein the plugging structure is located between a first end and a second end of the inner shell,

The inner shell is provided with a water inlet and a drain at the same time, the water inlet and the drain are located on both sides of the plugging structure, the water inlet is on a side close to the first end of the inner shell, the The drain is located on a side near the second end of the inner shell.
A humidifier, comprising a water tank component and a base according to any one of claims 1 to 10, wherein the water tank component is arranged on the base.