JP3191636B2 - air purifier - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air purifier used for deodorizing and purifying indoor air.

[0002]

2. Description of the Related Art In recent years, air purifiers have been developed and used to purify indoor air by removing odorous substances and the like contained in room air by deodorization and removal.

[0003] The air purifier has a built-in blower and a main filter in a casing, and deodorizes room air sucked from an air inlet through a main filter, and then blows the room air from a air outlet into a room. The configuration is well known in the art.

[0004]

By the way, in the case of the air purifier having the above structure, the room air sucked from the air suction port formed in the front surface of the casing is passed through the main filter to become clean air, and the air is cleaned. In order to prevent the clean air blown from the air outlet from short circuiting to the air inlet side from the point of taking the air circulation form of blowing out to the room from the air outlet formed in the Often formed near the back of the top surface.

When an air purifier having an air outlet as described above is used in a wall-mounted state, if the rear surface of the casing comes into contact with the wall when the wall is mounted, the air is blown out between the air outlet and the wall. Clean air may hit the wall surface, making it impossible to obtain a smooth blow-out into the room.

[0006] The present invention has been made in view of the above points, and even when used in a wall-mounted state or when used on a floor close to a wall surface, the wall-mounted structure can be properly maintained while maintaining a proper distance from the wall surface. It is an object of the present invention to appropriately maintain a posture or a floor-standing posture.

[0007]

According to the basic structure of the present invention, as means for solving the above-mentioned problems , air is provided on the front surface.
In the casing having an inlet, the blower and, disposed a main filter located on the suction side of the air blowing device, the air deodorized purified by the main filter, the air outlet formed in the upper back of the casing In an air purifier configured to blow obliquely upward from the rear side, a code reel for winding a cord is provided on the rear side of the casing so as to protrude outward from the rear side, In a state where the cord reel is in contact with a wall surface, a predetermined interval is secured between the air outlet and the wall surface, and a front bottom surface of the casing is provided.
Auxiliary air suction port is formed in the part to use it on a wall
For use in a form or on a floor placed close to a wall
In this case, the cord reel acts as an abutment member for the wall.
And blows out toward the back of the casing
In addition to ensuring a clean air blowing space , the air distribution in the casing by the air suction from the air suction port formed on the front surface of the casing and the auxiliary air suction port formed on the bottom surface on the front side of the casing To make full use of the main filter.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be described below with reference to the accompanying drawings.

As shown in FIG. 1, this air purifier is provided with a blower 2 and a suction side of the blower 2 in a substantially rectangular box-shaped casing 1 to adsorb and collect dust, off-odor substances and the like in the air. And a main filter 3 to be provided.

The casing 1 includes a synthetic resin bowl-shaped front plate 4 located on the suction side of the blower 2, and the front plate 4.
The front plate 4 is detachable from the back plate 5 as described later in detail.

The casing front plate 4 has a vertically central portion in the vertical direction on the front side of the front plate 4, the upper portion 6a is a horizontal surface, and the lower portion 6b is an inclined surface having an upward slope in the concave direction. A concave portion 6 extending to both side portions is formed, and a single horizontally long band-shaped air intake port 7 for sucking room air W is formed in an inner deep portion of the concave portion 6 (see FIG. 2). . In other words, the air inlet 7 has a horizontally long band shape with a limited opening area, thereby facilitating the cleaning of the air inlet 7 and efficiently generating air generated from a limited source such as cigarette smoke. Can be inhaled well. Further, the air inlet 7 is arranged such that the upper part 6a is horizontal,
Since b is formed in the inner part of the concave portion 6 having an upward slope in the concave direction, adhesion of dust and the like to the edge of the air inlet 7 is reduced, and the air inlet 7 Is difficult to see from the outside. Note that the air inlet 7 is not provided with a suction grill.

On the other hand, an air outlet 8 for blowing clean air Wf is formed obliquely rearward at one side (left side in FIG. 3) of the upper surface portion 5a of the casing back plate 5. Reference numeral 9 denotes an outlet grill.

The blower 2 comprises a fan motor 10 as a driving source, a multi-blade impeller 11 driven to rotate by the fan motor 10, and a scroll-type fan housing 12 enclosing the multi-blade impeller 11. A multi-blade centrifugal blower is provided.
a of the fan housing 12
b with the casing 1 facing the air outlet 8.
It is arranged in. Reference numeral 13 denotes a motor support member for supporting the fan motor 10.

The main filter 3 includes the blower 2
And is removably supported by a filter support frame 14 integrally formed with the fan housing 12 at the suction side.

At the bottom of the casing 1 (specifically, the bottom surface 5b of the casing back plate 5), a pedestal 15 serving as a mounting portion on the floor F is detachably attached. As shown in FIG. 4, the pedestal 15 is formed in a substantially rectangular shape having a slightly smaller vertical and horizontal dimension than the casing 1.
°).

That is, a hemispherical projection 1 having a friction reducing function is provided at a central portion and an outer peripheral portion of the upper surface of the base 15.
Are formed integrally with each other, and a plurality of locking projections 18, 18,... Are integrally provided on an outer periphery of an arc portion 16a of the rotary seat 16. .

On the other hand, the bottom portion 5b of the casing back plate 5
Is formed with a U-shaped concave groove 19 whose rear end side is open, and the arcuate portion 19a of the concave groove 19 has
6 are formed with engaging holes 20, 20,... In which the locking projections 18, 18,.

Then, the rotary seat 16 is moved to its arcuate portion 16a.
Is inserted forward from the open end side of the concave groove 19 to engage the locking projections 18, 18,... With the engagement holes 20, 20,. Be combined. In this state, when the casing 1 is rotated in the direction of the arrow M or N, the rotation is stopped when the rectangular portion 16b of the rotating seat 16 comes into contact with the linear portion 19b of the concave groove 19. At this time, the rotation angle θ is set to 30 °. With this configuration, the suction direction can be freely changed by rotating the casing 1, and the pedestal 15 can be moved even when the casing 1 rotates.
Will not protrude from below.

The rotation of the casing 1 is stopped by the rotation of the rotary seat 1.
6 and the groove 19 alone, the casing 1
Are likely to be unstable, half-moon-shaped locking portions 21 and 21 are formed at both ends of the pedestal 15 and the locking portions 21 and 21 are formed.
The locking pieces 22, 22 projecting from the bottom 5b of the casing back plate 5 (see FIG.
(See FIG. 1), the rotation of the casing 1 is stopped.

As shown in FIG. 5, the casing front plate 4 and the casing back plate 5 are detachably connected via a connecting member 23 fixed to the inside of the front end of the side surface portion 5c of the casing back plate 5. It is to be combined. The connecting member 23 includes a fixing portion 23 a fixed to a rib 24 protruding from the inner surface of the front end casing back plate 5 with a screw 25, and a front end extending from one end of the fixing portion 23 along the inner surface of the casing back plate 5. The front end of the engaging portion 23b is engaged with an engaging hole 26 formed at the rear end of the side surface portion 4b of the casing front plate 4. The dowel 27 and an operation piece 28 which is located slightly behind the engaging claw 27 and presses the locking portion 23b inward (that is, in the direction of arrow P) are formed integrally. The operation piece 28 faces a cutout hole 29 formed at the front end of the side surface portion 5c of the casing back plate 5, and can be pressed from the outside.

In the above configuration, the casing front plate 4 and the casing back plate 5 are connected as follows.

That is, in a state where the rear end of the bottom surface portion 4a of the casing front plate 4 is engaged with the front end of the bottom surface portion 5b of the casing back plate 5, the casing front plate 4 is rotated upward by an arc to rotate the casing front plate. Side portion 4b of front plate 4 and casing back plate 5
When the side surface portion 5c of the casing abuts against the casing front plate 4, the engaging claw 27 of the connector 23 is automatically engaged with the engaging hole 26 on the casing front plate 4 side. can get.

When the casing front plate 4 is detached from the casing back plate 5, when a pressing force in the direction of arrow P is applied to the operation piece 28 of the connecting member 23, the engaging claw 27 of the connecting member 23 Since the engagement with the engaging hole 26 of the casing front plate 4 is released, the reverse operation may be performed thereafter.

That is, the casing front plate 4 is attached to and detached from the casing back plate 5 by one-touch operation.

Further, the bottom portion 4 of the casing front plate 4
a includes a mounting portion of the pedestal 15 (in other words, the rotating seat 1).
Auxiliary air inlets 30, 30,... Are formed on both sides of 6) (see FIG. 6). The auxiliary air inlet 30
Are elongated holes in the front-rear direction. With the suction air W only from the air suction port 7 (formed in a horizontally long band at the center in the vertical direction of the casing front plate 4), the air distribution in the casing 1 becomes uneven and the entire surface of the main filter 3 is utilized. However, by forming the auxiliary air inlets 30, 30,..., The suction air W from the bottom side of the casing 1 is obtained, and the air distribution in the casing 1 is improved. 3 can be fully utilized.

The air suction port 7 and the auxiliary air suction ports 30, 30,... Are provided with detachable pre-filters 31, 32 for removing dust and the like contained in the suction air W, respectively. .

As shown in FIGS. 7 and 8, the pre-filter 31 provided in the air suction port 7 has a horizontally long shape so as to cover the entire opening of the air suction port 7, and is divided into a plurality of pieces in the horizontal direction. The filter frame 33 made of synthetic resin having the openings 34, 34... Formed therein, and the filter body 3 stretched over the openings 34, 34.
It consists of five. On the upper surface of the filter frame 33, a pair of L-shaped handles 36, which serve as a gripping part at the time of attaching / detaching operation, are integrally provided. A central portion and both side portions of the lower surface of the filter frame 33 are removably locked to a locking lever 37 integrally and inwardly protruding inward from a lower edge of the air suction port 7. Locking claw piece 38
Are protruded integrally. Further, the filter frame 3
Projections 39 functioning as positioning means for positioning the main filter 3 in the mounted state are integrally provided on the inner surfaces of both ends of 3.

The pre-filter 31 has a locking claw piece 38.
And the locking lever 37, and the contact force between the L-shaped handle 36 and the upper edge of the air suction port 7, and the projection 39 is main in the mounted state. The filter 3 is positioned, and the filter support frame 14 is positioned.
It is supposed to prevent falling off from.

On the other hand, as shown in FIGS. 9 and 10, the pre-filter 32 provided in the auxiliary air suction ports 30, 30,... Is formed in a horizontally long shape which covers the entire auxiliary air suction ports 30, 30,. It comprises a rectangular filter frame 40 made of synthetic resin and a filter body 41 stretched over the filter frame 40. The rear end of the filter frame 40 serves as a gripping part at the time of attaching and detaching operation,
An upwardly extending handle 42 that acts as a positioning means for positioning the main filter 3 in the mounted state.
Are protruded integrally. The filter frame 40
On the rear side, a pair of left and right hemispherical projections 43, 43 engaged with a selected one of the auxiliary air suction ports 30, 30,...

The pre-filter 32 has a hemispherical projection 4
3 and 43 are engaged with selected ones of the auxiliary air inlets 30, 30,.
a, which is to be sandwiched between a rib 44 protruding from the inner surface and a ridge 45 formed at the rear end of the bottom surface portion 4a. In the mounted state, the handle 42 positions the main filter 3. , From the filter support frame 14.

Further, a cord reel 46 for winding a cord is integrally provided at the center of the back surface of the casing back plate 5 (specifically, at the center of the back portion 5d) (FIGS. 1 and 3). reference). The rear side of the cord reel 46 is a vertical surface, and serves as a contact surface with the wall surface G when the air purifier is used in a wall-mounted state or when the air purifier is used on a floor near a wall. A predetermined interval is maintained between the casing 1 and the wall surface G. Thus, despite the opening of the air outlet 8 obliquely rearward, a space for blowing the clean air Wf blown out from the air outlet 8 is ensured in either the wall-mounted or floor-mounted use mode. You can do it.

Further, at a position above the code reel 46 on the rear surface 5d of the casing back plate 5, a hanging bracket 47 fixed to the wall surface G when the air purifier is used in a wall-mounted state. A pair of hanging portions 48, 48 to be hung are integrally formed. The hanging portion 48 is a box-shaped body having a cutout opening 49 on the lower surface, and a wall-hanging state can be obtained by locking the locking piece 50 of the latch 47 to the cutout opening 49. ing. When the air purifier is used on a wall, the pedestal 15 is unnecessary and is removed. Reference numeral 51 denotes a mounting screw.

In the air purifier configured as described above, the air is sucked from the air suction port 7 and the auxiliary air suction ports 30, 30,... By driving the blower 2, and dust and the like are removed by the pre-filters 31, 32. Indoor air W
By passing through the main filter 3 to adsorb and collect off-odor substances and the like to form clean air Wf, and blowing the clean air Wf into the room from the air outlet 8, an effect of purifying the indoor air can be obtained. At this time, the room air W sucked from the air suction port 7 and the auxiliary air suction ports 30, 30
Is mixed and diffused before reaching the main filter 3 with the room air W sucked from the central filter 3, so that the distribution becomes uniform, and the entire area of the main filter 3 is effectively used.

After removing the casing front plate 4, the pre-filters 31 and 32 are taken out and cleaned to remove dirt.

[0035]

According to the present invention, in the air purifier configured to blow out toward the rear side of the casing, a code reel for winding a cord is provided on the rear side of the casing, and the cord reel is mounted on a wall. The cord reel can be made to act as a contact member against the wall in the use mode of the above or in the use mode in the state of being placed on the floor close to the wall surface, so that the cord reel faces the rear side of the casing in any use mode. There is an effect that a blowing space for the clean air to be blown out can be secured.

Further, the air distribution in the casing can be improved by the air suction from the air suction port formed on the front surface of the casing and the auxiliary air suction port formed on the bottom surface on the front surface side of the casing. There is also an effect that the entire surface can be utilized.

[Brief description of the drawings]

FIG. 1 is a vertical sectional view of an air purifier according to a first embodiment of the present invention.

FIG. 2 is a front view of the air purifier according to the first embodiment of the present invention.

FIG. 3 is a plan view of the air purifier according to the first embodiment of the present invention.

FIG. 4 is a plan view of a pedestal in the air purifier according to the first embodiment of the present invention.

FIG. 5 is an enlarged sectional view taken along line VV of FIG. 1;

FIG. 6 is a cross-sectional plan view showing a half of a casing front plate in the air purifier according to the first embodiment of the present invention.

FIG. 7 is an enlarged cross-sectional view of an air suction port in the air purifier according to the first embodiment of the present invention.

FIG. 8 is an enlarged front view of a pre-filter for an air suction port in the air purifier according to the first embodiment of the present invention.

FIG. 9 is an enlarged sectional view of an auxiliary air suction port in the air purifier according to the first embodiment of the present invention.

FIG. 10 is an enlarged plan view of a prefilter for an auxiliary air suction port in the air purifier according to the first embodiment of the present invention.

[Explanation of symbols]

1 is a casing, 2 is a blower, 2a is a rotating shaft mounting part, 3
Is a main filter, 4 is a casing front plate, 5 is a casing back plate, 7 is an air inlet, 8 is an air outlet, 15 is a pedestal, 16 is a rotating seat, 46 is a cord reel, 47 is a latch, and 48 is a hanger. Hanging part.

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int. Cl. ⁷ , DB name) B01D 53/34 A61L 9/16 B01D 46/42 F24F 1/00

Claims (1)

(57) [Claims] The method according to claim 1] casing having an air suction port on the front, a blower, arranged a main filter located on the suction side of the air blowing device, the air deodorized purified by the main filter, the back of the casing Formed at the top
An air purifier configured to blow obliquely upward from an air outlet toward a rear side, wherein a code reel for winding a cord is projected outward from the rear side on the rear side of the casing. In a state in which the cord reel is in contact with a wall surface, and a configuration is made such that a predetermined interval can be secured between the air outlet and the wall surface ,
An auxiliary air inlet is provided on the front bottom surface of the casing.
An air purifier characterized by being formed .