JPH08254332A - Air cleaner - Google Patents

Abstract

PURPOSE: To facilitate setting of a deodorizing filter directly into an air cleaner casing and improve deodorizing efficiency by a method wherein the peripheral rim of a deodorizing cassette is retained by a pushing frame under air-tight condition and air-permeating nets on both of the front and rear surfaces of the cassette are connected through a connecting member to preclude the inflation of the nets. CONSTITUTION: A deodorizing cassette is installed under standing condition of blockading a suction port 33 formed on a vertical wall surface forming the casing 31 of an air cleaner. The suction port 33 of the deodorizing cassette 35 is fixed by a pushing frame 36, pushing the peripheral rim of the suction port 33, whereby the cassette 35 is retained under air-tight condition. Further, air-permeating nets 40, provided on the front and rear surfaces of the deodorizing cassette 35, are connected through a lattice (connecting member) 42 whereby the inflation of the nets 40 can be precluded. According to this method, the deodorizing cassette 35 can be set directly into the casing 31 of the air cleaner utilizing the pushing frame 36 while all of air, passing through the deodorizing cassette 35, is contacted with deodorizing agent (activated carbon) whereby effective deodorizing can be effected.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air purifier to be installed and used indoors, for example.

[0002]

2. Description of the Related Art For example, there are various types of stationary type air purifiers used for collecting and deodorizing indoor air, and one example of the type is shown in FIGS. 1 to 3. There is.

That is, reference numeral 1 denotes a casing of an air purifier, which is provided with an intake port 2 at the upper surface of the casing 1 and at the upper portions of the left and right side surfaces, and at the lower portion of the front face of the casing. Exit 3
Is provided. Louvers 4 for restricting the wind direction are provided on the outer side surfaces of the intake port 2 and the outlet port 3, and the deodorizing cassettes 5 having a single structure are provided inside the intake ports 2 respectively. It is detachably held by a cassette holding frame 6 which is integrally formed inside the housing 1.

In FIG. 3, 7 is a blower, 8 is a door for opening and closing the front surface of the housing 1, and 9 is its hinge. Then, by driving the blower 7, air is sucked from each of the intake ports 2, and the intake air is deodorized by passing through the deodorization cassettes 5, and then deodorized by the driving force of the blower 7. The air is discharged from the air outlet 3.

However, the structure of each of the deodorizing cassettes 5 has a problem that effective deodorization is difficult.

[0006]

That is, in the conventional deodorizing cassette structure, as shown in FIGS. 4 to 7, a case body 1 made of metal is provided with a wire mesh 11 having a coarse mesh on the bottom surface.
0 and a lid 13 that opens and closes the upper opening of the case body 10, and most of them is a lid 13 formed of a breathable metal net 12, inside a deodorizing cassette storage case 14 shown in FIG. The deodorizing filter 15 as shown in FIG. 9 is incorporated.

The deodorizing filter 15 is a low-cost case 17 in which a net portion 16 made of, for example, air-permeable filter paper or resin is formed on both sides, which is a low-cost material in order to improve the manufacturing economy. Is filled with activated carbon 18.

In FIGS. 4 to 7, reference numeral 19 is a lock fitting for attaching and holding the lid body 13 to the case body 10, 20 is a handle, and 21 is a support shaft (hinge) of the lid body.

As described above, in the deodorizing cassette 5 described above, the deodorizing filter 15 is stored in the metal deodorizing cassette storing case 14, and when the effect of the deodorizing filter 15 is lost, the deodorizing cassette storing case 14 is formed. Lid 13
The deodorizing cassette storage case 14 is made of metal, so the cost is high and the weight is large. It was inconvenient for me.

It is also conceivable to omit the deodorizing cassette storage case 14 and set the deodorizing filter 15 directly in the housing 1 of the air purifier to improve the economical efficiency and the ease of handling. As shown in FIG. 11, when the filter 15 has to be set in the housing 1 in a vertical direction at the intake ports 2 provided on the left and right side walls of the housing 1, the box forming the deodorizing filter 15 is formed. The frame 16 is shown in FIG.
As shown by, the nets 16 formed on both side surfaces of the filter 15 are inflated by the weight of the activated carbon 18, and the filter 1
5 The internal volume is expanded. Therefore, a gap (space) 22 is formed between the filled activated carbon 18 and the inside of the case 17.

Due to the formation of the gap 22, there is a problem that an airflow that does not permeate the inside of the activated carbon 18 but passes through the gap 22 is generated, and thus the deodorizing efficiency (effect) is lowered.

[0012]

SUMMARY OF THE INVENTION The present invention has been made in view of such conventional problems, and the first purpose thereof is to omit the use of the metal deodorant storage case shown in the conventional example. This is the development of an air purifier that allows the deodorizing filter to be set (attached and held) directly in the air purifier housing in order to improve the economy and facilitate handling and transportation of the deodorizing filter.

The second purpose is to have a structure in which the case of the deodorizing filter is not deformed by the weight of the activated carbon filled in the case, so that the air passing through the inside of the deodorizing filter case is effectively activated with the activated carbon. The purpose is to develop a deodorizing filter case with a structure that allows contact.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail below with reference to embodiments shown in the drawings.

First, the casing structure of the air purifier of this embodiment will be described with reference to FIGS. 13 to 15.

Reference numeral 31 denotes a housing of the air purifier, and the housing 31 is provided on the upper surface and the left and right side surfaces of the housing 31.
Square recesses 32 are formed so as to be recessed inward from the surface thereof, and an intake port 33 is formed at the center of these recesses 32. An air outlet 34 is provided in the lower part of the front surface of the housing.

In particular, the deodorizing cassettes 35 are positioned in the upright state so as to block the intake port 33 from the outside of the housing 31 in the respective recesses 32 formed on the left and right side surfaces of the housing. The deodorizing cassette 35 in the upright state is positionally fixed by a holding frame 36. The lower end of the pressing frame 36 is locked by a locking projection 37, and the upper end of the pressing frame 36 is screwed to the housing by a knob screw 38. Therefore, by fixing the holding frame 36 to the casing 31, the net portion 40 of the deodorizing cassette 35 is removed from the intake port 33 and the holding frame 3.
It can be positioned so as to be sandwiched between the six.

The shape of the holding frame 36 is the deodorizing cassette 3
It is necessary to design so that the ventilation loss of 5 is as small as possible.

As described above, according to this embodiment, the holding frame 3 is provided.
6, the deodorizing cassette 35 can be directly fixed to the housing.

Next, the specific structure of the deodorizing cassette 35 will be described.

16 to 19, the deodorizing cassette 35 is formed in a square shape, and its periphery has a frame portion 39 having no air permeability, and both front and back surfaces located in an opening surrounded by the frame portion 39. It has a net portion 40 of. Blindfold tape 41 is attached in a cross shape on the inside of the mesh surface on both the front and back sides, and the blindfold tape 41 attached to the surface,
Between the blindfold tapes 41 attached to the back side, cross-shaped crosspieces 4
2 (coupling member) is erected and fixed, and is regulated by the crosspiece 42 so that the net portions 40 on both the front and back sides of the deodorizing cassette 35 are not deformed.

Therefore, inside the deodorizing cassette 35, there are formed division chambers divided into four by the cross-shaped crosspiece 42.
Each of these compartments is filled with activated carbon 43 to form a deodorizing cassette 35.

As described above, in the deodorizing cassette 35 structure shown in FIGS. 16 to 19, since the net portions 40 on both sides of the deodorizing cassette 35 are connected by the crosspieces 42, Even if the gravity of the activated carbon 43 filled in the deodorization cassette 35 acts on the net portion 40, the net portion 40 is not deformed in the expanding direction,
Since the volume of activated carbon contained in the deodorizing cassette 35 is not changed, the generation of the space portion not filled with the activated carbon 43 is suppressed.

Further, as shown in FIG. 20, a slight space 44 may occur depending on the amount of activated carbon filled in each compartment, but the space 44 has a blind tape 41 and a frame. Since the portion 39 prevents direct ventilation to the space 44, the contact between the air passing through the deodorizing cassette 35 and the activated carbon is effectively made, and the deodorizing efficiency is enhanced.

21 to 25 show another embodiment of the deodorizing cassette 35. The structure of the deodorizing cassette 35 is as follows.
A honeycomb-shaped partition wall 45 (connecting member) is integrally formed with the peripheral frame portion 39 in the frame of the peripheral frame portion 39, and net portions 40 are attached to both front and back openings of the peripheral frame portion 39. 40 and the partition wall 45 are integrally connected.

Therefore, also in this embodiment, since the mesh portions 40 located on both front and back sides of the peripheral frame portion 39 are connected to each other by the honeycomb-shaped partition wall 45, the mesh portion 40 is formed by the partition wall 45. Even when the activated carbon contained therein is subjected to the gravity, the net portion 40 thereof is not bulged and deformed, and the generation of the space portion 44 can be prevented.

26 to 33 show the structure of still another embodiment of the deodorizing cassette 35. The deodorizing cassette 35 has a net 40 integrally formed at the front and back openings of the peripheral frame 39. Between these two nets 40, the net 4
A connecting pin 46 is installed to prevent the bulge of 0.

That is, the connecting pin 46 is made of resin or metal in which the flange portion 48 is formed at one end of the shaft portion 47, and the arrow-shaped clip 49 is integrally formed at the other end portion.

Therefore, the connecting pin 46 is inserted through the connecting pins 46 so as to pierce the net portions 40 of both of them from the outside of the deodorizing cassette 35 filled with the activated carbon 43, and the clip 49 of the connecting pin 46 is inserted. When the insertion force of the connecting pin 46 is released at the time of passing through, the collar portion 48 and the clip 49 are locked to the front side of the mesh portions 40 on both sides, and both mesh portions 4
The bulge of 0 can be prevented.

As described above, in any of the above embodiments, the deodorizing cassette 35 is provided with the regulating member for preventing the net portions 40, 40 on both front and back sides from bulging. Case 3 with 35 standing up
Even if it is set to 1, there is no space inside the cassette due to the offset of the activated carbon, and therefore the deodorizing efficiency is enhanced.

Further, since the deodorizing cassette 35 has a structure in which the net portion of the deodorizing cassette 35 is prevented from bulging and deforming, the deodorizing cassette 35 is utilized by the holding frame 36 provided in the housing 31. It can be set directly in the casing 31 of the air purifier, so that it is not necessary to use the deodorizing cassette storage case 14 used in the conventional example,
Since the deodorizing cassette storage case 14 can be omitted, the economy is improved and the convenience of handling the deodorizing cassette is also improved.

[0032]

As described above, according to the present invention, the deodorizing cassette 35 which is positioned in an upright state so as to close the intake port 33 formed on the upright wall surface forming the casing 31 of the air purifier is provided. The deodorizing cassette 35 has a holding frame 36 for holding the deodorizing cassette 35 in an airtight state at the peripheral portion of the intake port 33, and the deodorizing cassette 35 has a breathable net portion 40 on both front and back surfaces thereof. Between both nets 40, the net 4
According to this, since the air purifier has a connecting member for connecting both mesh portions in order to prevent the expansion of 0,
Since the deodorizing cassette 35 is provided with a connecting member for preventing expansion and deformation of the net portions 40 on both front and back surfaces thereof, even if the deodorizing cassette is mounted in the housing in an upright state, the cassette is still in place. There is no space inside due to the offset of the activated carbon, so that all of the air passing through this deodorization cassette comes into contact with the activated carbon and effective deodorization is achieved.

Further, since the deodorizing cassette 35 has a structure in which the mesh portion of the deodorizing cassette 35 is prevented from bulging and deforming, the deodorizing cassette 35 is utilized by the holding frame 36 provided in the housing 31. It can be set directly in the casing 31 of the air purifier, so that it is not necessary to use the deodorizing cassette storage case 14 used in the conventional example,
Since the deodorizing cassette storage case 14 can be omitted, it is possible to obtain an effect that economic efficiency is improved and convenience of handling the deodorizing cassette is improved.

[Brief description of drawings]

FIG. 1 is an external perspective view of a conventional air purifier.

FIG. 2 is a sectional view taken along line AA in FIG.

FIG. 3 is a central longitudinal sectional view of FIG.

FIG. 4 is a plan view of a conventional deodorizing cassette storage case.

FIG. 5 is a bottom view of a conventional deodorizing cassette storage case.

FIG. 6 is a front view of a conventional deodorizing cassette storage case.

FIG. 7 is a side view of a conventional deodorizing cassette storage case.

FIG. 8 is a plan view of only a conventional deodorizing cassette.

9 is a sectional view taken along line BB in FIG.

FIG. 10 is an explanatory diagram when a conventional deodorizing cassette is stored in a deodorizing cassette storing case.

FIG. 11 is a cross-sectional explanatory view of a conventional deodorizing cassette.

FIG. 12 is a cross-sectional explanatory view showing a modified example of the conventional deodorizing cassette.

FIG. 13 is an external perspective view showing the air purifier of the embodiment of the present invention.

FIG. 14 is a sectional view taken along line CC in FIG.

FIG. 15 is a side view of an essential part showing the configuration of the embodiment of the present invention.

FIG. 16 is a plan view showing a deodorizing cassette according to the embodiment of the present invention.

FIG. 17 is a side view showing the deodorizing cassette of the embodiment of the present invention.

18 is a cross-sectional view taken along the line EE in FIG.

FIG. 19 is a sectional view taken along the line DD in FIG.

FIG. 20 is a cross-sectional view of essential parts showing a state where the deodorizing cassette of the embodiment of the present invention is attached to a housing.

FIG. 21 is a plan view of a deodorizing cassette showing another embodiment of the present invention.

FIG. 22 is a side view of a deodorizing cassette showing another embodiment of the present invention.

23 is a sectional view taken along line FF in FIG.

24 is a cross-sectional view taken along the line GG in FIG.

FIG. 25 is a cross-sectional view of essential parts showing a state where a deodorizing cassette of another embodiment of the present invention is attached to a housing.

FIG. 26 is a plan view of a deodorizing cassette showing still another embodiment of the present invention.

FIG. 27 is a bottom view of the deodorizing cassette showing still another embodiment of the present invention.

FIG. 28 is a plan view of the connecting pin of the present embodiment.

FIG. 29 is a side view of the connecting pin of the present embodiment.

FIG. 30 is a front view of the connecting pin of the present embodiment.

FIG. 31 is an explanatory view showing a procedure of piercing the deodorizing cassette with the connecting pin.

FIG. 32 is an explanatory view showing a procedure of piercing the connecting pin into the deodorizing cassette.

FIG. 33 is an explanatory view showing a procedure of piercing the connecting pin into the deodorizing cassette.

[Explanation of symbols]

31 ... Casing 32 ... Recessed portion 33 ... Intake port 34 ... Air outlet 35 ... Deodorization cassette 36 ... Holding frame 37 ... Locking protrusion 38 ... Knob screw 39 ... Frame part 40 ... Net part 41 ... Blind tape 42 ... Crosspiece (connection) Member) 43 ... Activated carbon 44 ... Space part 45 ... Partition wall (connecting member) 46 ... Connecting pin 47 ... Shaft part 48 ... Collar part 49 ... Clip

Claims (4)

[Claims] 1. A deodorizing cassette (35) positioned in an upright state so as to close an intake port (33) formed in an upright wall surface forming a housing (31) of an air purifier,
The deodorizing cassette (35) has a holding frame (36) for holding the deodorizing cassette (35) in the airtight state at the periphery of the intake port (33), and the deodorizing cassette (35) has a breathable mesh on both front and back surfaces. The present invention is characterized in that it has a part (40), and has a connecting member between the two net parts (40) to prevent the net part (40) from expanding. Air purifier to do. 2. A blinding tape (41) is attached to the inner surface of the mesh portion (40) on both front and back sides, and the blinding tape (41) is further attached.
The air purifier according to claim 1, wherein a crosspiece (42) connecting the front and back net portions (40) is installed along the center of the air purifier. 3. The air purifier according to claim 1, wherein the connecting member is a honeycomb. 4. The connecting member has a collar portion (48) at one end of the shaft portion (47) that does not penetrate the net member, and after penetrating the net member at the other end, in a direction opposite to the penetrating direction. An air purifier according to claim 1, characterized in that it is a connecting pin (46) having a clip (49) which is locked to the mesh part.