JPH02184314A - Air cleaner - Google Patents

Abstract

PURPOSE:To simplify the structure housing and holding a cleaning body and to easily exchange the cleaning body by forming a holding part on the base seat detachably attached to a frame body, and holding the cleaning body with the holding part. CONSTITUTION:The air cleaner is provided with the blower unit consisting of an electric motor 19 and blower blades 27, and the air permeable plate like cleaning body 7 removing the contaminants in the air. In the frame body 2-5, a suction opening 31 and a housing part 34 of cleaning body are formed in the lower part, and a blower unit is disposed in the upper part. The base seat 5 formed with the holding part 48 of the cleaning body 7 is mounted in the suction opening 31 of the frame body 2-5. Thus, such a structure that the holding part is formed on the base seat which is detachably mounted in the frame body and the holding part holds the cleaning body makes the housing and holding structure of the cleaning body simple as well as the exchange of the cleaning body easy.

Description

DETAILED DESCRIPTION OF THE INVENTION (a) Field of Industrial Application The present invention relates to an air purifying device that purifies the air by collecting dust or deodorizing bad odors in the air.

(b) Prior art As a technology prior to the present invention, there is an air cleaning device described in Japanese Patent Publication No. 18231/1983. The air purifying device includes a support member, a fan and a motor attached to a frame placed on the support shrine, and an outer cylinder having one end engaged with the support member.
a rectifying plate housed in the outer cylinder and placed on the desk; an inner cylinder disposed concentrically with the outer cylinder, one end of which is engaged with the rectifying plate; A high-voltage DC power supply and an i-
an ionizing electrode support device, a positive electrode plate support insulator engaged with the support device, a positive electrode plate having one end engaged with the insulator, and an upper portion of the outer cylinder and the inner cylinder. and a positive electrode plate supporting insulator supporting the upper end of the positive electrode plate, a rectifier plate fixed to the upper end of the inner cylinder, and a shade below the shade and the outer periphery of the outer cylinder. It consists of an identification lamp placed in the section.

The air sent by the fan passes through the inside of the outer cylinder and rises, and on the way, the dust contained in the air is collected. be returned.

Since the proof lamp was placed on the outer periphery of the outer cylinder, the hat spreads further outward and is shaped to face downwards, so the air blown upward from the outer cylinder is directed downward into the air flow. It is easy for the cleaned air to be breathed in again.

By collecting dust contained in the air after passing through the electric motor and fan, the dust will accumulate on the electric motor and fan.

(c) Problems to be Solved by the Invention The technical problem of the present invention is to provide an air purifying device that reduces the amount of dust adhering to the inside of the air purifying device and has a simple support structure for the purifying body. be.

(d) Means for Solving the Problems The present invention comprises a blower device consisting of an electric motor and blower blades, a breathable plate-shaped purifying body for eliminating pollutants in the air, and an intake port and a purifying body storage section at the bottom. However, this problem is solved by forming an air purifying device with a frame body with an air blower installed on the top and a pedestal that is attached to the intake port of the frame body and forms a holding part for the cleaning body. be.

In addition, the present invention forms a holding part by forming a bulging body on the pedestal that bulges into the frame, and a large number of small ventilation holes are formed in the holding part,
This problem is solved by providing a replaceable breathable sheet on the inner surface of the holding portion.

The holding portion in the means of +ii7 includes ribs, bosses,
It may be a pin or the like, and does not particularly need to be a bulge.

The bulging body used as the holding part in the latter method is optimally hemispherical or semi-cylindrical, but the breathable sheet body is not particularly limited, and may be tissue paper or tissue paper that is discarded at the birth of a child, or leftover paper. It may be cloth.

The pedestal may have any shape as long as it can support the frame on a desk or the like, and it is sufficient that a ventilation gap is formed between the frame and the surface of the device.

・1 (E) Function The present invention allows the cleaning body to be held in the storage part by the holding part formed on the pedestal, stably supporting the cleaning body, efficiently collecting dust in the air, and cleaning the body. Air flows around the electric motor and fan.

(F) Embodiment The first structure shown in FIGS. 1 to 7 and the structure shown in FIGS. 8 to 10
The second structure shown in the figure and the third structure shown in Figs.
An air cleaning device using the present invention will be explained based on its structure.

[Second] structure will be explained.

The air purifying device 1 includes a cylindrical main frame 2 whose upper and lower ends are open, a main frame 3 that is attached to the upper end opening of the main frame 2, an intermediate frame 4 that is inserted and attached to the lower end opening of the main frame 2, and an intermediate frame 4 that is inserted into the lower end opening of the main frame 2. An air purifier frame is formed by the pedestal 5 attached to the opening at the end.

Figure 1 is a vertical left side view of the air purifier 1, Figure 2 is an irregular vertical front view of the air cleaner 1 in which the left half is the front and the left half is slightly backward, and Figure 3 is the air cleaner. FIG. 2 is a rear view of the device. FIG. 4 is a plan view with the object 6 attached to the upper frame 3 removed, FIG. Air purifying device removed from middle frame 4, purifying body 7 and sheet body 8 disassembled] An exploded vertical sectional view of the lower part, and FIG. 7 is a perspective view of the sheet body 8 disassembled from the base 5.

The main frame 2 is formed of a cylindrical body, and has a notch 12 in the rear upper part into which the switch holder (=J plate 1) fits, and a notch 14 for pulling out the power cord 13 in the rear lower part. ing.

A support flange 5 on which the peripheral edge of the upper frame 3 is fitted and mounted is formed inside the upper part of the main frame 2 . A stepped portion 16 is formed inside the lower part of the main frame 2, into which the lower peripheral edge of the middle frame 4 fits.

A switch mounting plate 1 is integrally formed to hang down from the frame 3. The switch 11 is equipped with a switch 18 for turning on the light 7 and a stop control switch 2 for the electric motor 9.
0 is attached. A switch cover unit 21 is formed on the rear surface of the switch mounting plate 11 to cover each switch 18, 20. An air outlet 22 is formed around the upper frame 3 over substantially the entire circumference. A storage section 24 for storing a fragrance 23 is formed at the front of the upper frame 3. The storage portion 24 is formed with a lid 25 that can be opened and closed. There are many small holes 26 in the storage part 24.
, and a gap is also formed on or around the lid body 25 so that the scent release agent 23 can be diffused. - An electric motor 19 is fixed to the lower center surface of the upper frame 3. One rotating shaft of the electric motor hangs down, and a blower blade 27 is fixed to the rotating shaft. The electric motor 19 is mounted with a mounting plate 28 interposed therebetween, and a wiring space is formed between the mounting plate 28 and the upper frame 3. The mounting plate 28 also functions to guide the air sent from the blower blades 27 to the surrounding area. Although the side plate 28 is a flat plate, wind can be guided more efficiently by slanting the periphery to one side.

”-A certification body] 7 is fixed on the upper center surface of the frame 3. The illumination body 17 consists of a lamp 29 and a socket 30, and the socket 30 can be removed by hooking one end thereof and fixing the other end with a screw. ” 1 frame 3 has a spinch of 18.20
All electrical components including an electric motor and a lighting body 17 are installed.

The middle frame 4 is formed into a cylindrical shape, and the second part has a ventilation hole 31 in the center.
A fan case 32 is formed.

In the center of the middle frame 1, there is an arc shape with the ventilation hole 31 as the center.
1% body support ribs 33 are formed radially.

A storage section 34 for the cleaning body 7 is formed at the lower part of the middle frame 4. The peripheral part of the fan case 32 fits into the inner surface of the main frame 2,
An insertion notch 35 for the power cord] 3 is formed in a part.

The lower end peripheral edge of the middle frame 4 fits into the stepped portion 16 of the main frame 2.

The main frame 2, frame 3, and middle frame 4 are connected and integrated via a tube body 37 into which a screw 36 is screwed. A tube body 37 is fixed to the upper surface of the periphery of the upper fan case 32 of the middle frame 4 with screws 36 so as to stand up. In order to smoothly fix the tubular body 37 to the inner frame 4 and to integrate the inner frame 4 and the tubular body 37, the tubular body 37 is made into a rectangular column such as a hexagon, and the inner frame 4
The four rectangular parts that fit are formed and are fastened with fitting screws.

The middle frame 4 to which the tube body 37 is fixed is inserted and fitted into the main frame 2, the upper frame 3 is fitted into the main frame 2, and the screws 36 are screwed into the tube body 37 and fixed.

The main frame 2 is held between an upper frame 3 and a middle frame 4.

The storage section 34 of the middle frame 4 is cylindrical, and when the cleaning body 7 is stored, it comes into contact with the support ribs 33 and is positioned in the back direction. The space formed by the support υ tab 33 of the middle frame 4 is a ventilation space from the cleaning body 7 to the ventilation port 3.
Air is guided to the vent 31 from the entire surface. The cleaning body 7 is prevented from falling from the storage section 34 by the pedestal 5.

The pedestal 5 is formed with a flange-like connecting portion 41 that is removably connected to the inner surface of the lower end of the middle frame/counterfeit. The inner surface of the four ends of the inner frame has a diameter smaller than that of the connecting part 41, and four projections 42 for preventing removal are formed therein. The connecting portion 41 has a protrusion 4
2 is formed into a notch 43 through which it is inserted. By aligning the notch 43 and the protrusion 42 and abutting the connecting portion 4 against the inner surface of the end of the inner frame 1, the protrusion 42 is displaced from the notch 43 by rotating the pedestal 5 to the right or left. Then, the protruding portion 42 and the connecting portion 4 collide, and the middle frame 4 and the base 5 are connected.

The pedestal 5 is formed with leg portions 44 that form a ventilation portion 45 between the lower end of the main frame 2 and the mounting surface. The pedestal 5 has a middle frame 4
A cylindrical portion 46 is formed to be inserted along the inner surface of the storage portion 34. A hemispherical holding part 48 in which a large number of small ventilation holes 47 are formed is formed inside the cylindrical part 46 . By attaching the base 5 to the middle frame 4, the cleaning body 7 stored in the storage part 34 is prevented from falling by the holding part 48. In this structure, the holding part 4
By making 8 into a hemispherical shape that bulges out toward the inside of the frame 4, an intake flow reservoir space is formed without the need for mounting the pedestal 5, and the cleaning body 7 is held only in the center, and the cleaning body 7 is connected to the holding part 48. An intake flow reservoir space is also formed between the bodies 7, and the air flow becomes smooth. The cylindrical portion 46 provides a seal with the middle frame 4.

By setting the cylindrical portion 46 to the same height as the holding portion 48, it can be used as a holding portion that holds the periphery of the cleaning body 7.

The holding part 48 is covered with the sheet body 8, and the periphery thereof is held in pressure contact with the inner surface of the lower part of the cylindrical part 46 by an elastic ring body 49. The sheet body 8 is made of, for example, tissue paper or paper, and is used to collect large dust particles in the air before blowing the air to the cleaning body 7, so that the usage period of the cleaning body 7 is extended. The sheet body 8 can be easily replaced at low cost.

As the cleaning body 7, a plate-like body is used, which is made of a nonwoven fabric electrically charged to collect dust and activated carbon that collects odors.

The object 6 is attached to and detached from the I-frame 3 so as to cover the illumination object 17.
Attach it to Noh. The cover 6 includes an annular connecting plate 51 for attaching to the upper frame 3, an annular frame 53 fixed to the outer periphery of the connecting plate 51 with screws 52, and a transparent element connecting the 1ζ end edge to the outer edge of the annular frame 53. It is formed by a light-transmitting outer dome 54 and a light-transmitting inner dome 55 whose lower edge is sandwiched and connected to the inside of the annular frame 53 and the connecting plate 51 . The annular frame 53 and the outer dome 54 are connected by adhesive, welding, or the like. outer dome 5
4 and the inner dome 55 transmit the light from the lamp 29 of the illumination body 17. In this structure, the outer dome 54 is made of a transparent plate, and the inner dome 55 is made of a translucent material like frosted glass that diffuses the light. It is made of an opaque plate. Annular connecting plate 51
Notches are formed at four locations on the inner edge. - A protrusion 56 that fits into the inner edge of the annular connection plate 51 is formed on the frame 3, and protrusions 56 corresponding to the notches of the annular connection plate 51 are formed at four locations on the protrusion 56.
7 is formed. The cover 6 can be connected by aligning and fitting the cutout of the annular connecting plate 5 with the protrusion 57 of the upper frame 3, and then rotating the cover 6 to the right or left. The annular connecting plate 51 of the object 6 has an inner surface as a reflective surface, so that the light from the lamp 29 can be efficiently used for illumination.

By attaching the cover 6 to the upper frame 3, a ventilation portion 58 is formed between the outer peripheral surface of the annular connecting plate 51 and the outer periphery of the upper frame 3 where the air outlet 22 is formed. The annular connecting plate 51 of the cover 6 also functions as a changing plate that changes the air blown out in one direction from the air outlet 22 in the circumferential direction.

Note that the present invention is not limited to the above-described first structure, and the materials, shapes, and formation structures of each component can be modified in various ways.

For example, the object 6 may have a single dome, or the dome may be provided with unevenness, a pattern, coloring, etc. to improve the illumination decoration effect. Regarding the connection structure between the main frame 2, the upper frame 3, and the middle frame 4, the tube body 37 may be formed integrally with the middle frame 1, the upper frame 3, or the inner surface of the main frame 2. The structure for attaching the body 6 to the frame 3 and the structure for attaching the pedestal 5 to the inner frame 4 may be any conventionally known structure for attachment and detachment.

The present invention will be explained with reference to the second structure shown in FIGS. 8 to 10. Note that the same components as the first structure are indicated by the same reference numerals in the drawings, structural differences are explained using the same reference numerals and names, and the first structure description is referred to for other structural explanations.

Fan case 3 that was integrally formed with the pedestal 5 in the first structure
2 is integrally formed on the inner surface of the main frame 2, and a holding rib 61 at the upper end of the pedestal 5 is formed on the lower surface of the fan case 32. A cleaning body support rib 33 is formed in a grid pattern on the upper part of the pedestal 5, and a flange part 62 for holding the periphery of the cleaning body 7 is formed in the storage part 34.

The holding portion 48 is dimensioned to be placed close to the cleaning body 7 without contacting it, and is adapted to hold the cleaning body 7 when it is bent.

A groove 63 into which the cylindrical part 46 of the base 5 is inserted is formed in the middle frame 4, and the periphery of the sheet body 8 is pushed into the groove 63 together with the cylindrical part 46 to be supported.

The cover 6 consists of an annular connecting plate 51 and a dome 64, and the dome 64 is connected to the periphery of the connecting plate 51 by adhesive, welding, or the like.

Between the connection plate 5 of the cover 6 and the upper frame 3, there is a balloon 1"2.
A C-shaped opening/closing plate 65 covering a part of 2 is sandwiched therebetween. The opening/closing plate 65 can be removed by removing the cover 6, and is attached when it is desired to specify the blowing direction. The opening/closing plate 65 can be slid in the circumferential direction and is opened to blow out air from the air outlet 22.
The position of can be changed.

In the first structure, by forming an opening/closing plate that can move only in the vicinity of the storage part 24, similar to the opening/closing plate 65, in the storage part 24 portion of the fragrance emitting agent 23, it is possible to prevent the fragrance from dispersing. In the first structure, an opening/closing plate may be inserted into the ventilation portion 58 so that it can be attached or removed.

(1.) Effects of the invention In the present invention, a holding part is formed on the pedestal that can be attached to and removed from the frame body, and the holding part holds the cleaning body, thereby simplifying the storage and holding structure of the cleaning body and replacing the cleaning body. It also becomes easier.

In addition, the holding part is made into a bulge and has many small ventilation holes.
Covering with a breathable sheet improves dust collection efficiency.

[Brief explanation of the drawing]

The figures show the present invention, and Figures 1 to 7 show the first structure, Figure 1 is a vertical left side view, Figure 2 is a longitudinal front view, Figure 3 is a rear view, and Figure 1 Figure 5 is an exploded sectional view of the frame, Figure 6 is an exploded sectional view of the lower part of the frame, and Figure 7 is a plan view with the cover removed.
The figure is an exploded perspective view of the stand, Figures 8 to 10 are the second structure, Figure 8 is a longitudinal left side view, Figure 9 is a plan view with the body removed, and Figure 10 is the frame. It is an exploded perspective view of the lower part. ]... Air purifier, 2. Main frame, 3. Upper frame, 1. Middle frame,
5. Pedestal, 6. Subject, 7. Purifying body, 8 Sea I. Body, 1
7...Illumination body, ]9...Electric motor, 22...Blowout [
", 27...Blower blade, 31...Vent hole, 32...Fan case, 33 Support rib, 34...Storage part, 47...
- Ventilation hole, 48, holding part, 58, ventilation part.

Claims (2)

[Claims] 1. A blower device consisting of an electric motor and blower blades, a breathable plate-shaped purifier for removing pollutants from the air, a frame with an intake port and a purifier storage area formed at the bottom, and a blower device arranged at the top. An air purifying device comprising a pedestal attached to an intake port of a frame body and forming a holding part for a purifying body. 2. A holding part is formed by forming a bulging body on the pedestal that bulges into the frame, a large number of small ventilation holes are formed in the holding part, and a replaceable breathable sheet body is arranged on the inner surface of the holding part. An air cleaning device according to claim 1.