CN114738903B

CN114738903B - Filter screen forgets to adorn protection architecture and air purifier

Info

Publication number: CN114738903B
Application number: CN202111632219.XA
Authority: CN
Inventors: 钟继鑫; 胡镇韬; 劳承云; 韦业军
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2023-06-16
Anticipated expiration: 2041-12-28
Also published as: CN114738903A

Abstract

The invention relates to the technical field of household appliances, in particular to a filter screen forgetting protection structure and an air purifier, wherein the filter screen forgetting protection structure comprises a lever structure and a micro switch, the lever structure is arranged on the side surface of an air duct, the head end of the lever structure is provided with a guide block, the guide block faces the side surface of the air duct, the guide block is inserted into the side surface of the air duct and can be abutted with the side surface of a filter screen in the air duct, the side surface of the tail end of the lever structure is connected to the side surface of the air duct through a compression spring, the lever structure is provided with a rotating shaft, the lever structure swings around the rotating shaft, the micro switch is connected with the lever structure in a linkage manner, and the filter screen forgetting protection structure can remind a user of missing the filter screen and remind the user of deformation of the filter screen.

Description

Filter screen forgets to adorn protection architecture and air purifier

Technical Field

The invention relates to the technical field of household appliances, in particular to a filter screen forgetting-to-mount protection structure and an air purifier.

Background

With epidemic spread, the air purifier has become an important household electrical appliance for solving indoor air pollution and sterilization, but in the use process of the air purifier, a user needs to frequently install and detach the air purifier filter screen because of cleaning or replacing the purifying filter screen regularly, however, the user has a neglected-loading filter screen or the filter screen is damped and deformed in the process of multiple installation and detachment to cause the failure of a protection switch, and even after the filter screen is taken out by a machine, the air purifier can still work, so that the safety of the user can not be effectively protected.

Disclosure of Invention

One of the purposes of the present invention is to provide a filter screen forgetting-mounting protection structure which can remind a user of neglecting to mount the filter screen and remind the user of deformation of the filter screen, so as to avoid the defects in the prior art.

The second object of the present invention is to provide an air purifier.

In order to achieve one of the above objects, the present invention provides the following technical solutions:

the utility model provides a filter screen forgets to adorn protection architecture, including lever structure and micro-gap switch, lever structure locates the side in wind channel, lever structure's head end is equipped with the guide block, the guide block orientation the side in wind channel, the guide block inserts the side in wind channel and can with the side butt of the filter screen in the wind channel, lever structure's tail end side passes through compression spring to be connected on the side in wind channel, lever structure is equipped with the pivot, lever structure is around the pivot swing, micro-gap switch with lever structure linkage connection;

when the filter screen is inserted into the air duct, the side surface of the filter screen is outwards pushed out of the head end of the lever structure, the lever structure swings around the rotating shaft, the lever structure drives the micro switch to be closed, and the tail end of the lever structure presses the compression spring;

when the filter screen is pulled out of the air duct, the tail end of the lever structure is lifted outwards by the compression spring, the lever structure swings around the rotating shaft, the head end of the lever structure is reset and inserted into the side face of the air duct, and the lever structure drives the micro switch to be disconnected.

In some embodiments, an upper clamping arm and a lower clamping arm are arranged on the side face of the air duct, a mounting position is formed between the upper clamping arm and the lower clamping arm, and the lever structure is positioned in the mounting position.

In some embodiments, the side of the air duct faces the mounting location to provide a support surface against which the trailing end of the lever structure is supported.

In some embodiments, the tail end of the lever structure is provided with a supporting block, and the supporting block is abutted against the supporting surface.

In some embodiments, the inner side surface of the upper clamping arm is opposite to the inner side surface of the lower clamping arm, the inner side surface of the upper clamping arm and the inner side surface of the lower clamping arm are respectively provided with a boss, the bosses are attached to the supporting surface, the bosses are provided with shaft grooves, the rotating shaft is arranged on the supporting block, and the rotating shaft is clamped into the shaft grooves.

In some embodiments, the inner side surface of the upper clamping arm and the inner side surface of the lower clamping arm are respectively provided with two guide ribs, the two guide ribs are respectively positioned at two sides of the supporting surface, and the guide ribs extend away from one side of the supporting surface.

In some embodiments, a surface of the boss facing away from the supporting surface is provided as a slope, an obliquely rising end of the slope is abutted against the supporting surface, and an obliquely falling end of the slope is far away from the supporting surface.

In some embodiments, the upper clamp arm is provided with a U-shaped notch.

In some embodiments, a window is formed in a side surface of the air duct, and the guide block is inserted into the window.

In some embodiments, a clamping rib is arranged on the side edge of the window, a connecting plate is arranged at the tail end of the head end of the lever structure, and when the guide block is inserted into the window, the connecting plate is clamped with the clamping rib.

In some embodiments, the guide block is provided with a connecting arm, the micro switch is connected to the connecting arm, and the guide block is linked with the micro switch through the connecting arm.

In some embodiments, the connecting arm is located below the guide block, a positioning column and a limiting buckle are arranged below the lower clamping arm, the micro switch is positioned on the positioning column, the limiting buckle clamps the micro switch, and a spring piece of the micro switch is connected to the connecting arm.

In some embodiments, the guide block is divided into a first guide slope and a second guide plane, the first guide slope faces the screen inlet port of the air duct and expands toward the screen inlet port when the guide block is inserted into the side of the air duct, and the first guide plane faces the middle of the air duct.

In some embodiments, a spring guide post is provided on the side of the air duct, and the spring guide post is sleeved by the compression spring.

In some embodiments, the filter screen is mounted on a drawer, the drawer drives the filter screen to insert into the air duct, and the ratio of the side height of the filter screen to the side height of the drawer is 2:1.

The filter screen forgetting to install the protection structure has the beneficial effects that:

according to the filter screen forgetting-mounting protection structure, the lever structure is arranged on the side face of the air duct, when the filter screen is inserted into the air duct, the head end of the lever structure is ejected out by the side ejection force of the filter screen, so that the filter screen is mounted, and the lever structure drives the micro switch to be closed; when the filter screen is pulled out of the air duct, the ejection acting force of the filter screen is removed, and the lever structure is reset under the jacking force of the compression spring, so that the condition that the filter screen is not installed or deformed is displayed, and the lever structure drives the micro switch to be disconnected. Through setting up lever structure, can remind the user to wash or change and install the very first time after purifying the filter screen and reset, also can avoid because the filter screen life cause the filter screen forget to adorn protection architecture inefficacy, in time effectively purify the disinfection to the indoor air, protection user is healthy.

In order to achieve the second object, the present invention provides the following technical solutions:

an air purifier is provided, including foretell filter screen forgets to adorn protection architecture.

Drawings

Fig. 1 is a schematic diagram illustrating an operating state of a filter screen forgetting-to-mount protection structure according to an embodiment.

Fig. 2 is an exploded view of a filter screen forgetting to mount the protection structure of the embodiment.

Fig. 3 is a schematic structural view of the lever structure of the embodiment.

Fig. 4 is a schematic view of a part of the structure of the filter screen forgetting to install protection structure of the embodiment.

Fig. 5 is another visual structure schematic diagram of a part of the structure of the filter screen forgetting to mount the protection structure.

Fig. 6 is a schematic diagram illustrating an operating state of the filter screen forgetting to mount the protection structure after the filter screen is drawn out of the air duct according to the embodiment.

Fig. 7 is a schematic diagram illustrating an operating state of the filter screen forgetting to mount the protection structure after the filter screen is inserted into the air duct according to the embodiment.

Reference numerals

A lever structure 1; a micro switch 2; an air duct 3; a head end 4; a guide block 5; a filter screen 6; a tail end 7; a compression spring 8; a rotating shaft 9; an upper clamp arm 10; a lower clamp arm 11; a mounting location 12; a support surface 13; a support block 14; a boss 15; a shaft groove 16; a guide rib 17; a bevel 18; a U-shaped notch 19; a window 20; a clamping rib 21; a connection plate 22; a connecting arm 23; positioning posts 24; a limit buckle 25; a spring 26; a first guide slope 27; a second guide plane 28; a spring guide post 29; a drawer 30.

Detailed Description

Preferred embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While the preferred embodiments of the present invention are shown in the drawings, it should be understood that the present invention may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any or all possible combinations of one or more of the associated listed items.

It should be understood that although the terms "first," "second," "third," etc. may be used herein to describe various information, these information should not be limited by these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the invention. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Example 1

The embodiment discloses a filter screen 6 forgetting to mount protection structure, which is shown in fig. 1-3, and comprises a lever structure 1 and a micro switch 2, wherein the lever structure 1 is arranged on the side surface of an air duct 3, a guide block 5 is arranged at the head end 4 of the lever structure 1, the guide block 5 faces the side surface of the air duct 3, the guide block 5 is inserted into the side surface of the air duct 3 and can be abutted with the side surface of the filter screen 6 in the air duct 3, the side surface of the tail end 7 of the lever structure 1 is connected on the side surface of the air duct 3 through a compression spring 8, the lever structure 1 is provided with a rotating shaft 9, the lever structure 1 swings around the rotating shaft 9, and the micro switch 2 is in linkage connection with the lever structure 1;

as shown in fig. 7, when the filter screen 6 is inserted into the air duct 3, the side surface of the filter screen 6 pushes out the head end 4 of the lever structure 1, the lever structure 1 rotates around the rotating shaft 9, the lever structure 1 drives the micro switch 2 to be closed, and the tail end 7 of the lever structure 1 presses against the compression spring 8;

as shown in fig. 6, when the filter screen 6 is drawn out of the air duct 3, the compression spring 8 lifts the tail end 7 of the lever structure 1 outwards, the lever structure 1 rotates around the rotating shaft 9, the head end 4 of the lever structure 1 is reset and inserted into the side surface of the air duct 3, and the lever structure 1 drives the micro switch 2 to be disconnected.

The side surface of the air duct 3 is provided with a lever structure 1, when the filter screen 6 is inserted into the air duct 3, the side surface ejection force of the filter screen 6 is utilized to eject the head end 4 of the lever structure 1, so that the filter screen 6 is installed, and the lever structure 1 drives the micro switch 2 to be closed; when the filter screen 6 is pulled out of the air duct 3, the ejection acting force of the filter screen 6 is removed, and under the jacking action of the compression spring 8, the lever structure 1 is reset, so that the condition that the filter screen 6 is not installed or the filter screen 6 is deformed is shown, and the lever structure 1 drives the micro switch 2 to be disconnected. Through setting up lever structure 1, can remind the user to wash or change and purify filter screen 6 after the very first time installation resets, also can avoid because filter screen 6 life-span reason leads to filter screen 6 to forget to adorn protection architecture inefficacy, in time effectively purifies the disinfection to indoor air, and the protection user is healthy.

As shown in fig. 4 and 5, an upper clamping arm 10 and a lower clamping arm 11 are arranged on the side surface of the air duct 3, a mounting position 12 is formed between the upper clamping arm 10 and the lower clamping arm 11, and the lever structure 1 is positioned in the mounting position 12. The upper and

lower clamp arms

10, 11 form a mounting location 12 for facilitating positioning of the lever structure 1 within the mounting location 12.

As shown in fig. 4-7, the side of the air duct 3 faces the mounting location 12 to provide a supporting surface 13, and the tail end 7 of the lever structure 1 is supported by the supporting surface 13. The support surface 13 cooperates with the tail end 7 of the lever structure 1 to prevent the entire lever structure 1 from rocking.

As shown in fig. 4, the tail end 7 of the lever structure 1 is provided with a supporting block 14, and the supporting block 14 abuts against the supporting surface 13. The supporting block 14 is abutted against the supporting surface 13, so that the positioning stability of the tail end 7 of the lever structure 1 is improved.

As shown in fig. 4, the inner side surface of the upper arm 10 is opposite to the inner side surface of the lower arm 11, the inner side surface of the upper arm 10 and the inner side surface of the lower arm 11 are respectively provided with a boss 15, the boss 15 is attached to the supporting surface 13, a shaft groove 16 is formed in the boss 15, the rotating shaft 9 is arranged on the supporting block 14, and the rotating shaft 9 is clamped in the shaft groove 16. The positions of the mounting position 12 except the boss 15 are larger, so that the tail end 7 of the lever structure 1 enters the mounting position 12, the boss 15 narrows the mounting position 12, the rotating shaft 9 is in interference fit in the shaft groove 16, and the rotating shaft 9 is prevented from loosening.

As shown in fig. 4, two guide ribs 17 are respectively disposed on the inner side surface of the upper arm 10 and the inner side surface of the lower arm 11, the two guide ribs 17 are respectively disposed on two sides of the supporting surface 13, and the guide ribs 17 extend away from one side of the supporting surface 13. The guide rib 17 serves to support the lever structure 1.

As shown in fig. 4, a surface of the boss 15 facing away from the supporting surface 13 is a slope 18, an obliquely rising end of the slope 18 is abutted against the supporting surface 13, and an obliquely falling end of the slope 18 is separated from the supporting surface 13. The boss 15 is provided with a slope 18, which plays a guiding role, so that the rotating shaft 9 can fall into the shaft groove 16 along the slope 18.

As shown in fig. 4, the upper arm 10 is provided with a U-shaped notch 19. The U-shaped notch 19 increases the elasticity of the upper clip arm 10.

As shown in fig. 4-7, a window 20 is formed on the side surface of the air duct 3, and the guide block 5 is inserted into the window 20.

As shown in fig. 4-7, a clamping rib 21 is arranged on the side edge of the window 20, a connecting plate 22 is arranged at the tail end of the head end 4 of the lever structure 1, and when the guide block 5 is inserted into the window 20, the connecting plate 22 is clamped with the clamping rib 21. The clamping ribs 21 are clamped with the connecting plates 22, so that the connection tightness of the lever structure 1 is further ensured.

As shown in fig. 4 to 7, the guide block 5 is provided with a connecting arm 23, the micro switch 2 is connected to the connecting arm 23, and the guide block 5 is linked with the micro switch 2 through the connecting arm 23. Specifically, the connecting arm 23 is located below the guide block 5, a positioning column 24 and a limiting buckle 25 are arranged below the lower clamping arm 11, the micro switch 2 is positioned on the positioning column 24, the limiting buckle 25 clamps the micro switch 2, and a spring piece 26 of the micro switch 2 is connected to the connecting arm 23. When the lever structure 1 moves outwards, the connecting arm 23 moves along with the guide block 5, the guide block 5 drives the elastic piece 26 of the micro-motion open pipe to swing, so that the micro-motion switch 2 is controlled to be closed, otherwise, when the lever structure 1 moves inwards, the connecting arm 23 moves along with the guide block 5, and the guide block 5 drives the elastic piece 26 of the micro-motion open pipe to swing, so that the micro-motion open is controlled.

As shown in fig. 3, the guide block 5 is divided into a first guide inclined plane 27 and a second guide plane 28, when the guide block 5 is inserted into the side surface of the air duct 3, the first guide inclined plane 27 faces the inlet port of the filter screen 6 of the air duct 3 and expands toward the inlet port of the filter screen 6, and the first guide plane faces the middle of the air duct 3. The guide block 5 is provided with a first guide slope 27, so that the filter screen 6 pushes the guide block 5 along this first guide slope 27,

as shown in fig. 4-7, a spring guide post 29 is disposed on the side surface of the air duct 3, and the spring guide post 29 is sleeved by the compression spring 8. The spring guide post 29 provides a mounting location 12 for the compression spring 8.

As shown in fig. 2, the filter screen 6 is mounted on the drawer 30, the drawer drives the filter screen 6 to be inserted into the air duct 3, and the ratio of the side height of the filter screen 6 to the side height of the drawer 30 is 2:1. The ratio of the lateral height of the sieve 6 to the lateral height of the drawer 30 is 2:1, so that the guide block 5 of the lever structure 1 acts only on the sieve 6,

the use flow of the filter screen 6 forgetting to install the protection structure is as follows:

the guide block 5 of the lever structure 1 acts on the filter screen 6, when the filter screen 6 is forgotten to be arranged in the drawer 30, the lever structure 1 cannot swing, and at the moment, a machine can prompt a user to install the reset filter screen 6 for the first time after cleaning or replacing the purification filter screen 6; meanwhile, when the filter screen 6 is replaced, the drawer 30 is pulled out, at the moment, as the guide block 5 of the lever structure 1 is not pressed by the filter screen 6, the lever structure 1 is reset by a spring, and then the contact of the micro switch is sprung open after the pressure of the elastic sheet 26 is lost, so that the micro switch is in an off state, and the purpose of power failure is achieved.

Example 2

The embodiment discloses an air purifier, which comprises the filter screen forgetting protection structure in embodiment 1.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present application unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

In the description of the present application, it should be understood that, where azimuth terms such as "front, rear, upper, lower, left, right", "transverse, vertical, horizontal", and "top, bottom", etc., indicate azimuth or positional relationships generally based on those shown in the drawings, only for convenience of description and simplification of the description, these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present application; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition, the terms "first", "second", etc. are used to define the components, and are merely for convenience of distinguishing the corresponding components, and unless otherwise stated, the terms have no special meaning, and thus should not be construed as limiting the scope of the present application.

The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A filter screen forgets to adorn protection architecture, characterized by: the air conditioner comprises a lever structure and a micro switch, wherein the lever structure is arranged on the side face of an air duct, the head end of the lever structure is provided with a guide block, the guide block faces the side face of the air duct, the guide block is inserted into the side face of the air duct and can be abutted against the side face of a filter screen in the air duct, the tail end of the lever structure is connected to the side face of the air duct through a compression spring, the lever structure is provided with a rotating shaft, the lever structure swings around the rotating shaft, and the micro switch is connected with the lever structure in a linkage manner;

2. The filter screen forgetting protection structure according to claim 1, characterized in that: the side of the air duct is provided with an upper clamping arm and a lower clamping arm, an installation position is formed between the upper clamping arm and the lower clamping arm, and the lever structure is positioned in the installation position.

3. The filter screen forgetting protection structure according to claim 2, characterized in that: the side surface of the air duct faces the mounting position to serve as a supporting surface, and the tail end of the lever structure is supported by the supporting surface.

4. The filter screen forgetting to install protection structure according to claim 3, characterized in that: the tail end of the lever structure is provided with a supporting block, and the supporting block is abutted on the supporting surface.

5. The filter screen forgetting to install protection structure according to claim 4, characterized in that: the inner side of the upper clamping arm is opposite to the inner side of the lower clamping arm, bosses are respectively arranged on the inner side of the upper clamping arm and the inner side of the lower clamping arm, the bosses are attached to the supporting surface, a shaft groove is formed in the boss, the rotating shaft is arranged on the supporting block, and the rotating shaft is clamped into the shaft groove.

6. The filter screen forgetting to install protection structure according to claim 5, characterized in that: the inner side surface of the upper clamping arm and the inner side surface of the lower clamping arm are respectively provided with two guide ribs, the two guide ribs are respectively positioned at two sides of the supporting surface, and the guide ribs extend back to one side of the supporting surface.

7. The filter screen forgetting to install protection structure according to claim 5, characterized in that: the surface of the boss, which is opposite to the supporting surface, is set to be an inclined surface, the inclined ascending end of the inclined surface leans against the supporting surface, and the inclined descending end of the inclined surface is far away from the supporting surface.

8. The filter screen forgetting protection structure according to claim 2, characterized in that: the upper clamping arm is provided with a U-shaped notch.

9. The filter screen forgetting protection structure according to claim 1, characterized in that: and a window is formed in the side face of the air duct, and the guide block is inserted into the window.

10. The filter screen forgetting to install protection structure according to claim 9, characterized in that: the side of window is equipped with the card muscle, the end department of lever structure's head end is equipped with the connecting plate, when the guide block inserts the window, the connecting plate with card muscle joint.

11. The filter screen forgetting protection structure according to claim 2, characterized in that: the guide block is provided with a connecting arm, the micro switch is connected to the connecting arm, and the guide block is linked with the micro switch through the connecting arm.

12. The filter screen forgetting to install protection structure according to claim 11, characterized in that: the connecting arm is located the below of guide block, the below of lower arm lock is equipped with reference column and spacing buckle, micro-gap switch location is in on the reference column, spacing buckle clamping micro-gap switch, micro-gap switch's shell fragment is connected on the connecting arm.

13. The filter screen forgetting protection structure according to claim 1, characterized in that: the guide block is divided into a first guide inclined plane and a second guide plane, when the guide block is inserted into the side face of the air duct, the first guide inclined plane faces the filter screen inlet port of the air duct and expands towards the filter screen inlet port, and the second guide plane points to the middle of the air duct.

14. The filter screen forgetting protection structure according to claim 1, characterized in that: the side of the air duct is provided with a spring guide post, and the spring guide post is sleeved by the compression spring.

15. The filter screen forgetting protection structure according to claim 1, characterized in that: the filter screen is installed on the drawer, the drawer drives the filter screen to be inserted into the air duct, and the ratio of the side surface height of the filter screen to the side surface height of the drawer is 2:1.

16. An air purifier is characterized in that: a filter cartridge incorporating a protective structure as claimed in any one of claims 1 to 15.