KR20210023005A - Filter housing module for air-cleaner - Google Patents

Abstract

The present invention relates to a filter housing module which stores a filter included in an air purifier therein. More specifically, the present invention relates to the filter housing module of an air purifier in which the filter housing module of an air purifier has flange units provided to each contact portion of a filter housing and a filter door housing which are coupled to each other to form an inner space to allow the filter to be stored therein, wherein the flange unit is configured to have a predetermined slope to enable the filter housing and the filter door housing to be more airtightly coupled.

Description

Filter housing module for air-cleaner

The present invention relates to a filter housing module for inserting a filter included in an air purifier, and in more detail, a flange portion is provided at each of the contacting portions of the filter housing and the filter door housing that are coupled to each other to form an inner space into which the filter is inserted. , The flange portion is configured to form a predetermined inclined surface, the field related to the filter housing module of the air purifier so that the filter housing and the filter door housing can be coupled more airtightly.

In general, indoor air of a building is polluted by harmful substances generated from building materials, carbon dioxide and moisture generated by human breathing, and thus indoor air requires periodic ventilation.

In other words, ventilation refers to exchanging indoor air with outdoor air or adjusted air to adjust the air environment in a living space. As a method of ventilation, it is forced by using natural ventilation and power caused by the temperature difference outside the room or external wind power. There is forced ventilation.

However, in the natural ventilation method as described above, there is an inconvenience that residents have to open and close windows, and in particular, when the atmosphere contains a large amount of pollutants such as fine dust, it is a situation in which natural ventilation is reluctant.

In addition, in the forced ventilation method as described above, indoor air can be ventilated by operating a ventilation device operated with a certain power without opening or closing the window. However, if a ventilation device is not installed during construction of a building, the ventilation system is installed. The cost is high, and even if the ventilation system is already installed, there is a problem that it is difficult to clean the contaminants attached to the fan or duct of the ventilation system.

Recently, in order to solve the difficulties of natural ventilation and forced ventilation as described above, a forced ventilation type air purifier has been developed that is fixedly mounted on a window or ceiling to purify outdoor air and introduce it into the room.

In addition, the filter housing included in the conventional air purifier is configured to simply fix the filter to the air purifier body, the suction pressure of the suction fan is transmitted to one side of the filter, and the contaminated air is sucked to the other side. As a result, there is a problem in which contaminated air is introduced into the gap between the filter housing and the filter without being filtered, and efforts to solve this problem have been continued.

The following is a typical conventional technique for improving the airtightness of the air purifier filter housing.

Republic of Korea Patent Publication No. 10-1537567 relates to a filter unit sealing device for an air purifier, and a packing part that is coupled to the upper end of the filter unit and adheres to the inner surface of the housing, and a packing provided in the housing to close the packing part to the housing side. A configuration including a packing part and a packing coupling part provided between the packing part and the filter unit so that the part and the packing part can be connected to the filter unit is proposed.

In addition, the prior art of the above configuration has realized the effect of being able to closely adhere to the inner surface of the housing by the packing part and the packing contact part. However, since a part of the packing part is simply inserted into the packing contact part, When a part of the packing part to be inserted is worn, a problem of lowering the airtightness occurs, and continuous research and development is required to solve this problem.

Republic of Korea Patent Publication No. 10-1537567 (2015.07.13.) Republic of Korea Patent Publication No. 10-2016-0126813 (2016.11.02.) Republic of Korea Patent Publication No. 10-2018-0076117 (2018.07.05.) Republic of Korea Patent Publication No. 10-2019-0035432 (2019.04.03.)

The present invention is a technology conceived to improve the problems associated with the prior art of the filter housing of an air purifier, and the filter housing of the conventional air purifier has a configuration for simply fixing the filter to the air purifier body, and a suction fan on one side of the filter The suction pressure of is transmitted, and contaminated air is sucked on the other side, and as a result, there is a problem that contaminated air is introduced into the gap between the filter housing and the filter without being filtered;

In addition, since a simple airtight member having elasticity is arranged between the filter housing into which the filter is inserted and the filter door housing that airtight the filter housing, the airtightness between the filter housing and the filter door housing when the airtight member wears or when the elasticity decreases. There was a problem of this deterioration;

In the case of a filter housing in which a tubular filter is inserted into the inner space, airtightness of the filter housing is unnecessary because contaminated air flows through the hollow outside of the tubular filter, but contaminants in the entire filter housing located outside the tubular filter The main purpose is to provide a solution to this problem, which is difficult to clean and maintain due to adsorption.

The present invention is to realize the desired object as described above,

A filter housing having an opening on one side of the filter through which the filter is drawn in and out of the inner space; A filter door housing that opens and closes the opening, and a flange portion abutting and in close contact with each other is formed on each of the opening and the filter door housing, and the flange portion has an inclined surface downward or upward from the outside of the opening and abuts A filter housing module of an air purifier is proposed.

In the filter housing module of the air purifier according to the present invention presented as described above, since the filter housing and the filter door housing are in contact with each other by an inclined flange portion and maintain an airtight state, the airtightness of the inner space of the filter housing is excellent. You can get

Particularly, due to the excellent airtightness between the filter housing and the filter door housing, unfiltered contaminated air is introduced into the coupling portion between the filter housing and the filter door housing, and thus, it is possible to obtain an effect of preventing deterioration of the purifying capacity of the air purifier.

1 is a side cross-sectional perspective view showing an air purifier equipped with a filter housing module according to a preferred embodiment of the present invention.
2 is an exploded perspective view showing an air purifier equipped with a filter housing module according to a preferred embodiment of the present invention.
3 is a perspective view showing a filter housing module according to a preferred embodiment of the present invention.
4 is a plan sectional view showing an inclined surface between the filter housing of the filter housing module and the flange side of the filter door housing according to a preferred embodiment of the present invention.
5 is a plan sectional view showing a case in which a stepped groove and a stepped groove are formed in flanges of a filter housing and a filter door housing of a filter housing module according to a preferred embodiment of the present invention.
6 is a plan sectional view showing an inclined surface between the filter housing of the filter housing module and the upper flange of the filter door housing according to a preferred embodiment of the present invention.
7A and 7B are partial side sectional views showing a state in which the filter door housing and the filter door casing of the filter housing module according to a preferred embodiment of the present invention are independently coupled to the air purifier.
8A and 8B are partial side cross-sectional views showing a state in which the filter door housing and the filter door casing of the filter housing module according to a preferred embodiment of the present invention are connected to each other to be coupled to the air purifier.
9 is a partial side sectional view showing the vertical mobility of the switching key when a switching key is provided in the filter door casing of the filter housing module according to a preferred embodiment of the present invention.
10 is a plan cross-sectional view illustrating a process of coupling the filter door housing and the filter housing when an elastic member is provided between the filter door housing and the filter door casing of the filter housing module according to the preferred embodiment of the present invention and connected to each other.
11 is a plan cross-sectional perspective view illustrating a process of coupling the filter door housing and the filter housing when an elastic member is provided between the filter door housing and the filter door casing of the filter housing module according to an embodiment of the present invention and connected to each other.

The present invention relates to a filter housing module for inserting the filter F included in the air purifier C, and a filter housing having an opening 120 for drawing the filter F into and out of the inner space 110 on one side ( 100) and; A filter door housing 200 that opens and closes the opening 120, and flange portions 300 and 310 are formed in each of the opening 120 and the filter door housing 200 to be in close contact with each other. In addition, the flange portions 300 and 310 relate to a filter housing module of an air purifier configured to come into contact with the inclined surfaces 320 and 330 downward or upward from the outside of the opening 120.

Hereinafter, the present invention will be described in detail with reference to FIGS. 1 to 11 showing an embodiment of the present invention.

First, the air purifier (C) in which the filter housing module according to the present invention is mounted includes a filter (F) for purifying air containing contaminants, similar to a known air purifier.

That is, the filter (F) can purify particulate contaminants such as fine dust, volatile organic compounds, formaldehyde or odor-causing substances, and according to the judgment of a person skilled in the art, a fiber yarn filter such as a HEPA filter (F), static electricity It may be composed of any one or more types of a type filter (F) and a photocatalytic type filter (F).

Hereinafter, the present invention will be described as a preferred embodiment when the filter (F) is composed of a fiber filter (F) such as a HEPA filter.

In addition, the filter F may be manufactured in a plate shape, or a tube formed in a hollow shape may be used.

In addition, the filter (F) may further include a filter cap (F-1) for supporting the filter (F) on the side or upper and lower portions of the filter (F) according to the structure of the air purifier (C), the filter In order to stably form a certain suction pressure in (F) and block the purified air from unpurified external air, the filter housing 100 is inserted into the inner space 110 of the filter housing 100.

In addition, the air purifier (C) according to the present invention is configured to include a suction fan part 600 for forming a suction pressure in the filter (F).

That is, the suction fan part 600 includes a suction fan such as a general fan or a blower, and the suction pressure formed in the suction fan is the internal space 110 of the filter housing module (filter housing ( 100) and the inner space 110 formed by the filter door housing 200), and then applied to one side of the filter (F) inserted into the inner space 110, a hollow or hollow outside, and applied to the filter (F). The suction pressure is applied to the polluted air inlet 140 formed in a certain portion of the filter housing 100 so that air containing pollutants can be introduced into the filter F.

Hereinafter, a case where the filter F is composed of a filter F having a tubular shape as shown in FIG. 2 will be described as an embodiment.

Specifically, the filter housing module according to the present invention is macroscopically configured to include a filter housing 100 and a filter door housing 200; Flange portions 300 and 310 are formed at respective portions of the filter housing 100 and the filter door housing 200 in contact with each other; The flange portions 300 and 310 have inclined surfaces 320 and 330 that go downward or upward from the outside of the opening 120 and are in contact with each other, thereby providing airtightness between the filter housing 100 and the filter door housing 200. Make a composition that improves.

That is, the filter housing 100 is a configuration in which an opening 120 for drawing the filter F into and out of the inner space 110 is formed on one side, and the filter F is inserted into the inner space 110, and the filter In a state coupled to the door housing 200, it serves as a chamber for forming a suction pressure in the inner space 110.

More specifically, in the filter housing module according to the present invention, the filter housing 100 and the filter door housing 200 are combined to form an inner space 110 of the filter housing 100 in an airtight state, and the filter housing The intake port 140 (hereinafter, hereinafter, the polluted air inlet 140 through which air containing pollutants is sucked) formed in a certain portion of the 100 is formed in the longitudinal lower portion of the filter housing 100 as an embodiment.) Air containing contaminants can be introduced into the filter (F) through.

In this case, the filter housing 100 may be configured in various shapes if an inner space 110 is formed and an opening 120 to which the filter door housing 200 is coupled is formed on one side. In one embodiment, the filter housing 100 is configured in a tubular shape, and a tubular filter F having a hollow formed therein in the longitudinal direction is inserted into the inner space 110, and the filter housing 100 The lower part of the tubular filter (F) may have a configuration in which a contaminated air inlet 140 communicating with the hollow lower portion of the tubular filter (F) may be formed, and the opening 120 may have a configuration formed on the longitudinal side of the filter housing (100). I can.

In addition, a purged air inlet 130 for transmitting the suction pressure of the suction fan part 600 is formed in the longitudinal upper part of the tubular filter housing 100, and the suction fan part ( 600) is disposed to form a suction pressure in the inner space 110 of the filter housing 100.

In addition, between the inner circumferential surface (including the inner circumferential surface of the filter door housing 200 below) forming the inner space 110 of the filter housing 100 and the filter F, a spaced space that is a part of the inner space 110 It has a configuration in which (111) is formed, and flows outward from the hollow of the filter (F) into the spaced space (111) so that after the purified air is introduced, it can flow toward the suction fan part (600).

That is, the suction pressure formed by the suction fan part 600 is the purified air suction port 130 formed on the filter housing 100, the separation space 111 of the filter housing 100, the filter F, and the filter F. ) And purifying after the air containing contaminants outside the filter housing 100 flows into the hollow of the filter F by sequentially acting in the direction of the contaminated air inlet 140 formed at the bottom of the filter housing 100 So that it can be discharged through the discharge port 610 of the suction fan part 600.

In addition, the opening 120 of the filter housing 100 is an open portion formed by cutting a portion of one side of the filter housing 100, and the filter F is inserted into the inner space 110 of the filter housing 100 or the inner space It is a configuration that allows the filter (F) inserted into (110) to be removed.

In this case, the opening 120 is formed on one side of the filter housing 100 to have a longer length and width than the filter F. Hereinafter, the present invention will be described as an embodiment in which the opening 120 is formed on one side of the tubular filter housing 100 in the longitudinal direction.

In addition, the filter door housing 200 is configured to open and close the opening 120 of the filter housing 100, and when the filter door housing 200 is coupled to the opening 120, the filter housing 100 and the filter door housing The airtightness between 200 is ensured so that the suction pressure of the inner space 110 of the filter door housing 200 is not lost, and when the filter (F) is managed or cleaned by the user, the filter door housing is in the filter housing (100). It is configured to be able to separate 200.

That is, the outer periphery of the filter door housing 200 is configured in the same or similar shape as the rim 121 of the opening 120, so that airtightness can be maintained while the filter door housing 200 is coupled to the opening 120. It is structured to be.

In addition, if the filter door housing 200 is configured to open and close the opening 120, it may be configured in various forms, and in one embodiment, a part of the longitudinal side of the tubular filter housing 100 as shown in FIG. 3 is cut. It can also be composed of a shape.

In connection with the above, the opening 120 of the filter housing 100, the rim 121 of the opening 120 and the filter door housing 200 (the rim 210 of the filter door housing 200) are in contact with each other. The flange portions 300 and 310 that are in close contact are formed.

That is, one of the flange portions 300 and 310 has a configuration formed to have a predetermined width on the rim 121 of the opening 120 forming the opening 120, and the other The flange portion 310 of the filter door housing 200 has a configuration formed to have a predetermined width on the rim 210 forming the outer circumference of the filter door housing 200.

At this time, it will be apparent that the width of the flange portions 300 and 310 can be appropriately set according to the judgment of a person skilled in the art.

In addition, the flange portion 300 formed in the opening 120 and the flange portion 310 formed in the filter door housing 200 are configured to have a shape corresponding to each other, and the flange portions 300 and 310 are formed in the opening ( 120) and the outer periphery of the filter door housing 200, respectively, are formed with a certain width inward or outwardly on the entire portion of the rims 121 and 210, respectively, and between the filter housing 100 and the filter door housing 200 It has a function to improve airtightness.

In connection with the above, the flange portions 300 and 310 of the above configuration have inclined surfaces 320 and 330 that go downward or upward from the outside of the opening 120 and are configured to abut, the internal space of the filter housing 100 The flange portion 310 of the filter door housing 200 is inserted into the flange portion 310 of the opening 120 by the suction pressure by the suction pressure formed at (110) (or wraps it outward) and more closely Make sure you can touch them.

Specifically, the flange portion 300 formed in the opening 120 as shown in FIGS. 4 and 6 has an inclined surface 320 downwardly (or upwardly) from the outside of the opening 120 is formed, and the plan of the opening 120 The flange portion 310 of the filter door housing 200 in contact with the branch portion 300 is also formed with an inclined surface 330 downward (or upward) from the outside of the opening 120 to the filter door housing in the opening 120. When 200 is coupled, the flange portion 310 of the filter door housing 200 is inserted into the flange portion 300 of the opening 120 in the form of being inserted (or wrapped around).

In addition, the inclination angle of the inclined surfaces 320 and 330 of the flange parts 300 and 310 is determined by the size of the flange parts 300 and 310 or the intensity of the suction pressure applied to the inner space 110 of the filter door housing 200. It can be appropriately adjusted according to the judgment of a person skilled in the art.

In addition, when the suction pressure of the suction fan part 600 acts on the inner space 110 of the filter housing 100 that is sealed by the filter door housing 200 being coupled to the opening 120, the suction pressure of the inner space 110 As a result, the filter door housing 200 is brought into close contact with the opening 120, and as a result, an effect of allowing the filter door housing 200 to be more closely coupled to the filter housing 100 is exerted.

In addition, at least one of the flange portion 300 of the opening 120 or the flange portion 310 of the filter door housing 200 may have an elastic pad 340 further provided.

At this time, the elastic pad 340 is made of a material having a certain elastic force, further improving the airtightness between the flange portion 300 formed in the opening 120 and the flange portion 310 formed in the filter door housing 200 I can make it.

In connection with the above, when an elastic pad 340 is further provided in the flange portion 300 formed in the opening 120, the elastic pad 340 is further provided in the flange portion 310 formed in the filter door housing 200. It may be provided, and the flange portion 310 formed in the filter door housing 200 may have a configuration in which an elastic pad 340 is not provided.

In addition, in the flange portion 300 formed in the opening 120, a groove or step 311 is further formed to have a length in the longitudinal direction of the flange portion 300, and the flange portion 310 formed in the filter door housing 200 below In the configuration in which a corresponding step or corresponding groove 312 corresponding to the groove or step 311 is further formed, the flange portions 300 and 310 are formed in the groove and the corresponding step (or the step and the corresponding groove 312). The airtightness can be further improved by being fitted.

In addition, when an elastic pad 340 is further provided in the flange portion 300 formed in the opening 120, the stepped portion 311 is formed in the flange portion 310 formed in the filter door housing 200. , By pressing the stepped 311 into the elastic pad 340, the airtightness between the filter housing 100 and the filter door housing 200 may be further improved. In connection with the above, the elastic pad 340 is provided on the flange portion 310 formed in the filter door housing 200, and the stepped 311 is formed in the flange portion 300 formed in the opening 120. It will be obvious that you can.

In addition, the filter housing module according to the present invention may be configured to be disposed inside the outer casing 400 separately from the outer casing 400 disposed outside the air purifier (C), or the outside of the air purifier (C). A portion of the casing 400 may be replaced with a filter housing module. At this time, the filter housing module according to the present invention may be exposed to the outside of the air purifier (C).

Accordingly, the filter door housing 200 may be configured to have a function of a filter door casing 410 that is a part of the outer casing 400 forming the outer shape of the air purifier C.

That is, when the air purifier (C) is provided with an outer casing (400) forming an outer shape, the filter door casing (410), which is a part of the outer casing (400), is an outer casing ( 400) is configured to be detachable from different parts.

In contrast, the filter door housing 200 may be configured to have a function of the filter door casing 410, so that a separate filter door casing 410 is not configured in the air purifier C.

In addition, when the filter door casing 410 is configured in the air purifier (C), the filter door housing 200 is a filter door casing 410 that is a part of the outer casing 400 forming the outer shape of the air purifier (C). ) And can also be configured.

That is, since the filter door housing 200 of the above configuration is configured to be connected to the filter door casing 410 forming a part of the outer shape of the air purifier (C), the user may attach the filter door casing 410 to the air purifier ( When the filter door housing 200 is separated from C), the filter door housing 200 is also separated from the air purifier (C). Conversely, if the user couples the filter door casing 410 to the air purifier (C), the filter door housing 200 is also separated. It is possible to increase the convenience of being able to be coupled to the air purifier (C).

At this time, the filter door housing 200 may be configured to be connected to the filter door casing 410 in various forms, and in one embodiment, the filter door housing 200 and the filter door casing 410 are It may be configured to be directly connected without connecting components, and in another embodiment, as shown in FIGS. 8A, 8B, and 9, the filter door casing 410 or filter door housing 200 has one or more connection supports 414 having a predetermined length. ) May be provided, and the filter door housing 200 and the filter door casing 410 may be connected to each other by the connection support 414.

In addition, the present invention is configured such that at least one elastic member 500 is further provided between the filter door housing 200 and the filter door casing 410, and the elastic member 500 is based on the filter door casing 410. Thus, the filter door housing 200 may be configured to apply an elastic force in close contact with the opening 120 of the filter housing 100.

That is, the elastic member 500 of the above configuration is composed of an elastic body 413 such as a spring, and at least one elastic member 500 provided between the filter door housing 200 and the filter door casing 410 is a filter door The casing 410 is coupled to another part of the outer casing 400 of the air purifier (C) and acts as an elastic force to push the filter door housing 200 toward the opening 120 of the filter housing 100 in a fixed position. As a result, the filter door housing 200 has an effect of being more tightly pressed against the filter housing 100.

In addition, when the flange portion 310 of the filter door housing 200 is not accurately positioned in the flange portion 300 of the opening 120 while the filter door casing 410 is coupled to another portion of the outer casing 400 , The elastic member 500 pushes the filter door housing 200 toward the opening 120 so that the flange portion 310 of the filter door housing 200 is accurately inserted into the flange portion 300 of the opening 120 (or Wrapping) can be realized.

In more detail, when the elastic member 500 is further provided between the filter door housing 200 and the filter door casing 410, the elastic member 500 is a connection support further provided in the filter door casing 410 The filter door housing 200 can be configured to be supported and arranged on the 414, and the filter door housing 200 is in the front and rear direction in the filter door casing 410 (the direction of one embodiment shown in FIG. 10). You can travel back and forth with .).

That is, the filter door housing 200 of the above configuration is in a state in which the filter door casing 410 is moved forward by the elastic force of the elastic member 500 when the filter door casing 410 is separated from the other part of the outer casing 400; From the moment the filter door casing 410 comes into contact with the other part of the outer casing 400, the filter door housing 200 receives the elastic force of the elastic member 500 by limiting movement by the rim 121 of the opening 120. Move backwards; In a state in which the filter door casing 410 is coupled to another part of the outer casing 400, the opening 120 is continuously pressed by the elastic force of the elastic member 500 and kept in close contact with the opening 120. ) And the airtightness between the filter door casing 410 may be further increased.

In addition, the outer casing 400 is configured such that a filter door casing hole 420 into which the filter door casing 410 is fitted is formed; The filter door casing 410 has a locking protrusion 411 fastened to the lower part of the filter door casing hole 420 in the lower part in the longitudinal direction, and a switching protrusion fastened to the upper part of the filter door casing hole 420 in the upper part of the longitudinal direction. It is possible to have a configuration in which a key (412, Key) is provided.

That is, the coupling between the other part of the outer casing 400 and the filter door casing 410 may be properly configured according to the judgment of a person skilled in the art, but the outer casing 400 and the filter door casing 410 of the above configuration are The filter door casing 410 is engaged with the lower part of the casing 400 in the longitudinal direction, and the upper part in the longitudinal direction is coupled to be fastened and disengaged using a switching key 412.

Specifically, the filter door casing hole 420 is an empty part of the outer casing 400 to which the filter door casing 410 is to be coupled, and has the same or similar shape and size as the filter door casing 410 and has the same or similar shape and size as the outer casing ( 400).

In addition, the locking protrusions 411 are configured to protrude downward in the longitudinal direction of the filter door casing 410, and when the filter door casing 410 is inserted into the filter door casing hole 420, the filter door casing hole 420 It is a configuration that is fastened to the lower part of the. At this time, at a predetermined position of another portion of the outer casing 400 corresponding to the lower portion of the filter door casing hole 420, a locking jaw groove 415 through which the locking jaw 411 can be inserted from the top to the bottom is formed. It will be self-evident.

In addition, the switching key (412, Key) is a configuration that protrudes upward in the longitudinal direction of the filter door casing 410, when the filter door casing 410 is inserted into the filter door casing hole 420, the filter door casing hole ( It is a configuration that is fastened to the upper portion of the 420.

At this time, the switching key 412 is configured to reciprocate in the vertical direction from the filter door casing 410, and when the filter door casing 410 is inserted into the filter door casing hole 420, it moves upward to move the filter door casing. It is configured to move upward to a predetermined position of the other part of the outer casing 400 corresponding to the upper part of the hole 420 and to be fitted, and the filter door casing 410 is separated from the filter door casing hole 420 as opposed to the above. In this case, it moves downward and moves downward from a predetermined position of another part of the outer casing 400 corresponding to the upper portion of the filter door casing hole 420 to be released.

In this case, the switching key 412 may be configured to be automatically reciprocated in the vertical direction by an elastic body 413 such as a spring that may be further provided between the filter door casing 410 and the switching key 412.

In addition, at a predetermined position of another portion of the outer casing 400 corresponding to the upper portion of the filter door casing hole 420, a key groove 416 through which an upper portion of the switching key 412 can be inserted from the bottom to the top is provided. It will be obvious that it must be formed.

In addition, when the filter door casing 410 is further provided with a locking jaw 411 and a switching key 412, the user may hold the filter door casing 410 by hand as shown in FIG. 8A. First, insert the lower portion of the filter door casing 410 with 411 formed into the locking projection groove 415 formed in the lower portion of the filter door casing hole 420, and insert the filter door casing 410 into the locking projection 411 as shown in FIG. 8B. ) Is rotated vertically (reverse direction) in the longitudinal direction with respect to the formed portion, and the upper portion of the filter door casing 410 corresponds to the upper portion of the filter door casing hole 420, and a switching key provided on the upper portion of the filter door casing 410 The filter door casing 410 can be coupled to the outer casing 400 by inserting and fastening 412 into the key groove 416.

Contrary to the above, when the user separates the filter door casing 410 from the outer casing 400, the user moves the switching key 412 downward from the filter door casing 410 to move the switching key 412 in the key groove 416. ), the filter door casing 410 is rotated vertically (forward) in the longitudinal direction based on the portion where the locking projection 411 is formed, and the locking projection 411 is pulled out from the locking projection groove 415, thereby the outer casing ( The filter door casing 410 can be removed from 400).

In addition, as described above, the filter door casing 410 is provided with a locking projection 411 and a switching key 412, and the filter door casing 410 rotates in the longitudinal direction based on the portion in which the locking projection 411 is formed. When configured to open and close in the filter door casing hole 420, the upper and lower portions of the opening 120, the filter door casing hole 420, the filter door housing 200, and the filter door casing 410 in the longitudinal direction, respectively May be configured in a rounded shape (L).

That is, the filter door housing 200 is connected to the filter door casing 410 of the above configuration, and the filter door housing 200 is a filter in which the filter door casing 410 is formed in another part of the outer casing 400. When it is coupled to the door casing hole 420, it is configured to be in close contact with the opening 120 of the filter housing 100.

At this time, since the filter door casing 410 of the above configuration rotates based on a portion of the locking protrusion 411 provided in the lower part in the longitudinal direction and is coupled to the filter door casing hole 420, the opening 120, Each of the upper and lower portions of the filter door casing hole 420, the filter door housing 200, and the filter door casing 410 in the longitudinal direction are rounded (L), and the filter door housing 200 and the opening ( 120) and interference between the filter door casing 410 and the filter door casing hole 420 may be eliminated.

The above has been described with reference to a preferred embodiment of the present invention, and is not limited to the above embodiment, and through the above embodiment, a person of ordinary skill in the art to which the present invention belongs does not depart from the gist of the present invention. It can be implemented with various changes in.

100: filter housing 110: internal space
111: separation space 120: opening
121: border 130, 140: inlet
200: filter door housing 210: frame
300, 310: flange portion 311: stepped
312: stepped groove 320, 330: slope
340: elastic pad 400: outer casing
410: filter door casing 411: locking jaw
412: switching key 413: elastic body
414: connection support 415: locking jaw groove
416: keyway 420: filter door casing hole
500: elastic member 600: suction fan
610: outlet C: air purifier
F: Filter F-1: Filter cap
L: rounded form

Claims (7)

A filter housing 100 having an opening 120 through which the filter F is drawn in and out of the inner space 110 on one side thereof;
And a filter door housing 200 that opens and closes the opening 120,
Each of the opening 120 and the filter door housing 200 is configured to have flange portions 300 and 310 in contact with each other and in close contact with each other,
The flange portion (300, 310) has an inclined surface (320, 330) that goes downward or upward from the outside of the opening (120), the filter housing module of the air purifier, characterized in that configured to abut.
The method of claim 1,
A filter housing of an air purifier, characterized in that at least one of the flange portion 300 of the opening 120 or the flange portion 310 of the filter door housing 200 is further provided with an elastic pad 340 module.
The method of claim 2,
The filter door housing 200,
A filter housing module of an air purifier, characterized in that it is configured to have a function of a filter door casing 410, which is a part of the outer casing 400 forming the outer shape of the air purifier (C).
The method of claim 1,
The filter door housing 200,
A filter housing module of an air purifier, characterized in that it is configured to be connected to the filter door casing 410, which is a part of the outer casing 400 forming the outer shape of the air purifier (C).
The method of claim 4,
At least one elastic member 500 is further provided between the filter door housing 200 and the filter door casing 410,
The elastic member 500,
Filter housing module of an air purifier, characterized in that the filter door housing 200 is configured to apply an elastic force in close contact with the opening 120 of the filter housing 100 based on the filter door casing 410.
The method according to any one of claims 4 or 5,
In the outer casing 400,
It is configured to form a filter door casing hole 420 into which the filter door casing 410 is inserted,
The filter door casing 410,
A locking protrusion 411 fastened to the lower portion of the filter door casing hole 420 is formed in the lower part in the longitudinal direction,
Filter housing module of an air purifier, characterized in that configured to be provided with a switching key (412, Key) fastened to the upper portion of the filter door casing hole 420 at the upper portion in the longitudinal direction.
The method of claim 6,
The filter door casing 410,
It is configured to rotate in the longitudinal direction based on the portion in which the locking projection 411 is formed and to open and close in the filter door casing hole 420,
The opening 120, the filter door casing hole 420, the filter door housing 200, and the upper and lower portions of the filter door casing 410 in the longitudinal direction are each configured to have a rounded shape (L). Filter housing module of the air purifier.

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