JP2000161729A - Ceiling mounted air cleaner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To allow a blower to be easily mounted on a ceiling and to reduce in height size by providing the blower contained therein at a vertical shaft (shaft) and providing a latch for detachably latching an upper part of the shaft by rotatably operating at a mount to be mounted on the ceiling. SOLUTION: The ceiling mounted air cleaner integrally comprises a blower 2 having a fan 22 to be rotated by an electric motor 21 and supported to a shaft 20 extended in a vertical direction, a casing 4 for guiding an air flow generated from the blower 2, and a filter 5. The cleaner can be mounted together with a luminaire 1 for containing an annular illumination lamp 11 therein and mounted on a ceiling, and has a sealing A mounted at a mounting center to supply a power to the luminaire. That is, the blower 2 is mounted by latching a latch 9 made of a metal plate held at an upper part of the shaft 20 to a support piece of an annular mount 6 provided at the upper part of the casing 4 by rotatably operating.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ceiling-mounted air purifier having an illumination lamp.

[0002]

2. Description of the Related Art An air purifier having an illuminating lamp is disclosed in, for example, Japanese Utility Model Laid-Open Publication No. Sho.
3 has already been proposed. In this air purifier, a blower 102 and a casing 103 for housing the blower 102 are provided above a lighting fixture 100 in which an illumination lamp 101 is housed.
It is configured to be hung from the ceiling by the use of a ceiling 04.

A ceiling-mounted air purifier without an illumination lamp is provided with a through hole in the ceiling as described in, for example, Japanese Patent Publication No. 8-8967, and a casing in which a blower is housed in the through hole. The whole is inserted, and the inlet and outlet of the casing are opened indoors.

[0004]

However, since the former air purifier having an illumination lamp is a suspension type which is hung from the ceiling by a power supply line 104, the dimension from the ceiling to the lower surface of the air purifier is large. In addition, there is a problem that the entire load of the air cleaner including the illumination lamp and the blower acts on the power supply line. Further, the latter ceiling-mounted air purifier having no illumination lamp requires a large through-hole in the ceiling, so that the installation work is complicated and the installation requires skill.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and is capable of being detached from a blower having a shaft extending in a vertical direction by turning a blower mounted on a ceiling to a mounting member mounted on a ceiling. By installing a hook that is hung on the ceiling, the blower can be easily mounted on the ceiling by rotating the hanger, and the dimensions from the ceiling to the lower surface of the air purifier can be compared with the suspension type. It is an object of the present invention to provide a ceiling-mounted air purifier that can be shortened.

[0006]

A ceiling-mounted air purifier according to a first aspect of the present invention has upper and lower guide plates for guiding an air flow generated by a blower housed therein, above an illumination lamp. In a ceiling-mounted air purifier provided with a casing, the blower has a shaft extending in a vertical direction, and the upper part of the shaft can be detached from a mounting body attached to the ceiling by a turning operation. It is characterized in that a locking body to be stopped is provided.

According to the first invention, the blower can be easily mounted on the ceiling by rotating and operating the hook provided on the shaft, and since the blower is mounted on the ceiling by the hook, From the air purifier to the lower surface of the air purifier can be shortened as compared with the conventional suspension type.

[0008] A ceiling-mounted air purifier according to a second aspect of the present invention comprises:
The mounting body has positioning means for positioning a guide body fitted into a power supply ceiling mounted on the ceiling.

According to the second aspect of the present invention, the mounting body for mounting the blower on the ceiling can be positioned and arranged around the ceiling for the power supply via the hanging body.
The mounting body can be made lightweight, and the mounting body can be easily mounted at an appropriate position on the ceiling.

[0010] A ceiling-mounted air purifier according to a third aspect of the present invention comprises:
A support for supporting the lower guide plate is provided below the shaft body, and the illuminating lamp is mounted on the lower guide plate.

According to the third aspect of the present invention, the load of the blower, the lower guide plate and the illuminating light can be applied to the portion where the hanging body is attached to the mounting body. Can be increased, so that the latch body can be prevented from rotating carelessly and stable latching can be performed.

[0012] A ceiling-mounted air purifier according to a fourth aspect of the present invention comprises:
The upper guide plate is coupled to the mounting body, and is one of the upper and lower guide plates, and a plurality of connecting pieces connected to the other are provided outside the rotation range of the fan. There is a feature.

According to the fourth aspect of the present invention, the rotation of the shaft body can be prevented through the upper guide plate, the connecting piece and the lower guide plate connected to the mounting body. It is possible to prevent the hooked body from accidentally turning, and to perform a more stable hook. Moreover, the bending of the upper and lower guide plates can be satisfactorily prevented by the connecting piece, and the shaft and the hook can be given downward tension by the load of the lower guide plate and the illumination lamp. By this tension, the frictional resistance of the hooking body with the mounting body can be increased, so that the hooking body can be prevented from turning carelessly, and a more stable hooking can be performed.

[0014]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to the drawings showing the embodiments. 1 is a sectional view taken along the line II of FIG. 3, FIG. 2 is a sectional view taken along the line II-II of FIG. 3, FIG. 3 is a bottom view of the lighting fixture and the lower guide plate removed, and FIG. FIG.

The ceiling-mounted air purifier shown in FIGS. 1 to 4 mounts a general lighting fixture on the ceiling and mounts a ceiling A for power supply for supplying power to the lighting fixture. It is attached to two beams B and has an electric motor 21 and a fan 22 on the upper side of the luminaire 1 in which the annular illuminating lamp 11 is housed, and is supported by a shaft body 20 extending in a vertical direction. Blower 2 and upper and lower guide plates 41 for guiding the air flow generated by the blower 2,
And a guide plate 41,
42, an inlet 4a and a filter 5 are provided on one side, and an outlet 4b is provided on the other side, and the blower 2 is driven to generate an air flow in a space between the inlet 4a and the outlet 4b. The filter 5 is configured to filter dust and cigarette smoke contained in the airflow, thereby purifying room air.

Incidentally, there are three types of the sealing A: a square type, a round type and an ear type. When a load of less than 5 kg is applied, the square type sealing A1 or the round type sealing A2 is used.
However, when a load of 5 to 10 kg is applied, the eared sealing A3 is attached to the ceiling by a pair of fastening screws. Incidentally, the dimension between a pair of mounting holes for mounting the ceiling A on the ceiling is 25 mm square and 46 mm round.
Since the dimension of the beam B of the ceiling for ordinary households is generally 30.3 mm (one dimension), the mounting holes a and a of the ceiling A must be always as shown in FIG. It is mounted so as to be located in the longitudinal direction.

The casing 4 includes the guide plates 41 and 42 formed of a metal plate in a disc shape, and the air flow generated by the
2 and a synthetic resin derivative 43 for guiding to the outlet 4b.

FIG. 6 is a bottom view of the upper guide plate. The upper guide plate 41 is formed in an annular shape having a through hole at the center, and a plurality of (actually four) screw bodies 40 at the center thereof are provided with an annular mounting body 6 for closing the hole edge side of the through hole. It is installed with the removal possible. An annular mark 44 facing the rotation area of the fan 22 is provided between the inner edge and the outer edge, and a plurality of (actually, four) insertion holes 41a are formed in the circumferential direction between the mark 44 and the outer edge. It is provided at intervals.

The mark 44 is an annular projection that is continuous along the rotation area and protrudes toward the lower guide plate 42. The outer periphery of the projection is an inclined surface. The mark may be an annular recess, an annular concave portion, an annular colored sign, or a plurality of protrusions, concave portions, or colored signs provided at predetermined intervals along the rotation range in addition to the annular protrusion. .

FIG. 7 is a bottom view of the mounting body, FIG. 8 is a cross-sectional view of the mounting body, FIG. 15 is a bottom view of the mounting body being held by a lug-type sealing, and FIG. It is sectional drawing of the state hold | maintained by sealing. The mounting body 6 is made of a circular metal plate having a hole in the center, and is provided on the inner edge thereof with mounting means such as mounting screws 60 in mounting holes formed in a pair of ears of the ear-mounted sealing A3. Section L to be attached
A pair of first support pieces 61 of the mold are provided at regular intervals,
Support piece 61 constitutes a positioning means for positioning a first guide body 7 described later. A pair of second support pieces 62 having an L-shaped cross section for supporting the blower 2 between the inner edge and the outer edge of the mounting body 6, and mounting screws 6 on one beam B of the ceiling.
A plurality of mounting portions 64 (mounting holes) are provided for mounting by the number 3, and four mounting holes 65 through which the screw body 40 is inserted are provided at equal intervals on the outer edge. The second support pieces 62 are provided so as to be out of phase with the first support piece 61 in the circumferential direction, and two mounting portions 64 are provided on a virtual straight line X (see FIG. 10) passing through the center of the mounting body 6. It is. The first support piece 61 has a through hole 6 through which the mounting screw 60 is inserted.
1a is provided. In FIG. 11, elastic plates 66 and 67 are provided on the upper surface of the mounting body 6 and the upper surface of the second support piece 62 so that the vibration and the sound generated by the blower 2 can be absorbed. In addition, as shown in FIG.
And an elastic plate 68 is provided on the upper surface of the support piece 61,
Vibration and sound generated by the blower 2 can be absorbed.

In the center of the mounting body 6, a hole 7 is fitted into the round sealing A2 so that relative rotation is impossible.
A first guide body 7 having a support 1 is detachably supported, and a hole 8 is fitted into the hole 71 of the guide body 7 so as to be unable to rotate relative to the rectangular sealing A1.
A second guide body 8 having a 1 is connected so that relative rotation is impossible and fitting / removal is possible.

FIG. 9A is a bottom view of the first guide body, FIG. 9B is a cross-sectional view of the first guide body, and FIG. 10 is a state in which the first guide body is held by a mounting body. 11 is a bottom view of FIG.
FIG. 4 is a cross-sectional view of a state where the guide body of FIG. The first guide body 7 is made of synthetic resin and is formed in a cylindrical shape so as to have the circular hole 71 at the center.
1 is provided with one positioning projection 72 which engages with a positioning groove (not shown) provided at one place on the outer peripheral surface of the round sealing A2, and the first support piece 61 is provided on the outer peripheral surface.
A pair of latching pieces 7 which are latched by being inserted from above
3 and 73, and a pair of engaging portions 74 and 74 which engage with protruding pieces 96 and 96 of the latching body 9 described later. The second guide body 8 shown in FIG. Are provided with a pair of positioning recesses 75, 75 for preventing relative rotation.

As shown in FIG. 9B, the engaging portion 74 has two circumferential concave portions 74a and 74b extending in the circumferential direction at predetermined intervals in the axial direction, and the circumferential concave portions 74a and 74b. 74b
And a locking recess 74d provided in one of the circumferential recesses 74b. In addition, the positioning protrusion 72 is provided with the hook pieces 73 and 7.
3 is a position on the imaginary straight line X when hooked on the first support piece 61, and a pair of ceiling mounting holes a, a provided in the round ceiling A2 are provided on the imaginary straight line. The mounting member 6 is provided at a position on X so that the mounting body 6 can be surely and accurately mounted on one beam B to which the round sealing A2 is mounted.

FIG. 12 is a plan view of the second guide body, and FIG.
FIG. 14 is a bottom view of a state where the second guide body is held by the mounting body, and FIG. 14 is a cross-sectional view of a state where the second guide body is held by the mounting body. The second guide body 8 is made of synthetic resin and is formed in a cylindrical shape so as to have the rectangular hole 81 at the center, and the outer peripheral surface thereof is formed in a circular shape corresponding to the hole 71.
The positioning recess 7 of the first guide body 7 is formed in the hole edge of the upper surface.
5, a pair of positioning projections 82 are provided.
The positioning projection 82 has a square sealing A1 having a hole 8.
1 and a pair of mounting holes for ceiling mounting provided on the square ceiling A1 are provided at positions on the virtual straight line X, and the square ceiling A1 is mounted on one beam B to which the square ceiling A1 is mounted. The mounting body 6 can surely be mounted accurately.

FIG. 5 is a sectional view of the blower. Blower 2
Is provided with an electric motor 21 supported on the cylindrical shaft body 20 extending vertically and having an upper part attached to the ceiling, and a fan 22 provided on the upper part of the electric motor 21. Is hooked to the second support piece 62 of the mounting body 6 via a hook 9 made of a metal plate which is held by the holding member 6.
The electric motor 21 includes a coil 21 a fixed to the shaft 20.
And the coil 21 held in a housing 23 rotatably supported by the shaft body 20 via a pair of bearings.
and a rotor 21b disposed around the motor a. The fan 22 is connected to the housing 23 at a position above the electric motor 21.

The fan 22 has a cone 22a at the center.
A sirocco fan having a plurality of blades on the outer periphery is used, and the hook 9 having a total length of about 1/2 of the diameter of the fan 22 is disposed inside the cone 22a. Is hooked on the support piece 62, the upper surface of the fan 22 is brought close to the upper guide plate 41, and the cone 22
The guide body 7 and the like are located inside the space a to effectively use the space in the fan 22.

On the outer peripheral surface of the upper part of the shaft body 20, two notches 20a, 20a having a width in a direction intersecting with the axis of the shaft body 20 and having a width corresponding to the thickness of the latch body 9 are formed in parallel. Provided in
The engaging body 9 is inserted into the notch grooves 20a, 20a to be held therein, thereby preventing relative movement in the axial direction and relative rotation in the circumferential direction. A plate-like support 1 for supporting the lower guide plate 42 on the shaft 20 in a direction intersecting with the axis of the shaft 20 is provided on the outer peripheral surface of the lower portion of the shaft 20.
0, two notches 20b, 20b having a width corresponding to a thickness of 0 are provided in parallel, and the support 1 is inserted into the notches 20b, 20b.
0 is retained by insertion to prevent relative movement in the axial direction and relative rotation in the circumferential direction. In this manner, the notch grooves 20a and 20b are provided on the outer peripheral surface of the shaft body 20 in a direction intersecting with the axis of the shaft body, and the latching body 9 and the support body 10 made of a plate are inserted and held to insert the shaft. The dimension of the blower 2 in the axial direction, and thus the entire air purifier, as compared with the structure in which the outer periphery of the body 20 is fitted from the axial direction and fixed with a tightening screw in a direction intersecting with the axis of the axial body. Can be shortened. Further, inside the cylindrical shaft body 20, a power supply line 30 having a sealing metal fitting 30 a which can be hooked / removed on / from the sealing A at one end and a motor cord 33 having one end connected to the electric motor 21. Is inserted.

FIG. 17 is a plan view of the hook, FIG. 19 is a cross-sectional view showing a state where the hook and the support are held by a blower, and FIG. 20 is a cross-sectional plan view of the hook shown in FIG. . The hook 9 is formed by a disk 9a and a pair of hooks 9b, 9b which are continuous with one side and the other side of the disk 9a and are hooked on the support pieces 62, 62. It is formed in a dish shape,
The disk portion 9a has a through hole 9 fitted into the shaft body 20.
1 and a fitting portion 93, 93 which is continuous with one side portion of the through hole 91 and is fitted in the notch groove 20a, 20a. Accordingly, the hook 9 can be held on the shaft 20 by fitting the upper portion of the shaft 20 into the through hole 91 and fitting the fitting portions 93, 93 into the notches 20a, 20a. A cut-and-raised piece 94 having a screw hole is provided on the other side of the through-hole 91, and a screw body 95 screwed into the screw hole is provided.
Is brought into contact with the outer peripheral surface of the shaft body 20 so that the hook body 9 and the shaft body 20 relatively move toward the through hole 91 along the cutout grooves 20a, 20a, and the hook body 9 comes off the shaft body 20. It is to prevent that.

At the intermediate portion in the longitudinal direction of the hooks 9b, 9b, a projecting piece 9 which engages with the engaging portions 74 of the first guide body 7 is provided.
When the hooks 9b, 9b are engaged with the support pieces 62 of the mounting body 6, the projections 96, 96 engage with the locking recesses 74d, 74d, respectively. And shaft 20
To prevent relative rotation.

FIG. 18 is a bottom view of the support, and FIG.
FIG. 5 is a cross-sectional bottom view in which a support portion is sectioned. Support 10
Has a disk shape in a plan view, and has a cross section formed in an inverted dish shape. The support body 10 is continuous with a through hole 10a and a pair of mounting holes 10c, 10c fitted into the shaft body 20 and one side of the through hole 10a.
0b, 20b are provided with fitting portions 10d, 10d. Therefore, the lower portion of the shaft body 20 is fitted into the through hole 10a, and the fitting portions 10d, 10d are notched grooves 20b, 20b.
The support body 10 can be held on the shaft body 20 by being fitted into the mounting holes 10c, and a pair of mounting screws 31, 31 inserted into the mounting holes 10c, 10c, and nuts 32 screwed to the mounting screws 31, 31, 32, the lower guide plate 42
Can be installed. The mounting screw 31 is held in the mounting hole 10c via an elastic ring (not shown), and a cut-and-raised piece 10e having a screw hole is provided on the other side of the through-hole 10a. The support body 10 and the shaft body 20 are relatively moved along the cutout grooves 20b, 20b toward the through hole 10a by bringing the screw body 34 screwed into the screw hole into contact with the outer peripheral surface of the shaft body 20. The support 10 is the shaft 2
It is designed to prevent deviation from zero.

The lower guide plate 42 has a lower surface serving as a light reflecting surface for reflecting the light of the illuminating lamp 11, and the light reflecting surface holds two kinds of annular illuminating lamps 11 having different sizes. A pair of lamp holding pieces 12 and an insertion hole 42a corresponding to the insertion hole 41a are provided, and a translucent dish-shaped globe 13 is detachably held at the outer edge.

The central portion of the guide plate 42 is a cone 42b, and a part of the electric motor 21 and the support 10 are projected inside the cone 42b.
The illumination lamps 11 are provided around b. The mounting hole 1 of the support 10 is provided in the disc portion inside the cone 42b.
A pair of insertion holes 42c, 42c corresponding to 0c, 10c and an insertion hole 42d for inserting the power supply line 30 are provided, and a receiving unit 14 of a remote control is provided. At the outer edge of the globe 13, an annular cover body 15 curved along the globe 13 is detachably held.

Between the upper and lower guide plates 41, 42, a plurality of connecting pieces 45 for connecting the guide plates 41, 42, the derivative 43, the filter 5, and the drive of the blower 2 are provided. A controller 46 for controlling is provided.

The connecting piece 45 is arranged near one end and the other end of the filter 5 and near the one end and the other end of the controller 46. The connecting piece 45 has a flange at one end and a flange at the other end. Are provided with screw portions 45a, respectively. The screw portions 45a are inserted from the insertion holes 41a of the upper guide plate 41 to the lower guide plate 42.
Of the upper and lower guide plates 41, 4 by screwing a nut 49 into the screw portion 45a.
2 are connected at a predetermined interval, and the load on the outer edge of the lower guide plate 42 is applied to the outer edge of the upper guide plate 41 via the connecting piece 45 in an auxiliary manner. The acting load is reduced, and the connecting piece 45.
The lower guide plate 42 and the support 1
The rotation of the blower 2 attached to the mounting body 6 via the mounting member 0 is surely prevented.

The derivative 43 is provided on one side with the lower guide plate 4.
Filter insertion part 47 into which filter 5 is inserted together with 2
A circular peripheral wall 43a having an outlet 4b on the other side, and an annular connecting plate 4 inside the peripheral wall 43a.
3c, the guide plates 41, 4 are provided integrally.
A substantially C-shaped curved guiding portion 43b having a thickness of about 2/3 of the dimension between the two, and a plate-shaped guiding portion 43d extending toward the center continuously to one end in the thickness direction of the curved guiding portion 43b. The opening portion of the curved guiding portion 43b is communicated with the outlet 4b, and the air sucked through the filter 5 is passed through the fan 22 along the plate-shaped guiding portion 43d and the lower guide plate 42.
Is guided around the cone 22a, and the air flow passing between the blades of the fan 22 from around the cone 22a is guided to the outlet 4b along the curved guide portion 43b. Further, a plurality of leg pieces 43e and a guide cylinder 43f into which the connection piece 45 is inserted and displaced are provided in the connection plate portion 43c and the plate-like guide portion 43d, and the guide 43 is screwed onto the leg piece 43e. Is connected to the lower guide plate 42.

FIG. 22A is a cross-sectional view of the filter and the filter insertion portion, and FIGS. 22B to 22D are cross-sectional views showing the process of inserting the filter. The filter insertion portion 47 has a notch in the peripheral wall portion 43a, and includes a connecting plate portion 43c and the guide plate 42. The filter insertion part 47 of the guide plate 42 includes a business trip part 47a that protrudes outside the outer edge of the derivative 43, and the business trip part 47a is connected to the derivative 43 via the inclined surface 47b.
And the filter insertion portion 47 of the connecting plate portion 43c is provided with an inclined surface 47c at a position displaced to the insertion end side from the inclined surface 47b, and the insertion start side is the upper guide plate. 41, the upper and lower dimensions of the insertion start side are made larger than the upper and lower dimensions H of the insertion end side, and the upper and lower dimensions H of the insertion end side are made smaller than the upper and lower dimensions H1 of the filter 5. is there.

The filter 5 has a section L having a suction grille.
At the end of insertion of the filter insertion portion 47, the bottom surface of the filter holder 50 contacts the guide plate 42, and the upper surface of the filter 5 is connected to the connection plate portion 4.
3c.

A controller 46 for controlling the driving of the blower 2 and for turning on and off the illuminating lamp 11 is provided between the peripheral wall 43a and the bending guide 43b of the dielectric 43.
The other end of the power supply line 30 is connected to the controller 46 so as to be connectable / disconnectable. The controller 46 is attached to the lower guide plate 42.

The ceiling-mounted air purifier constructed as described above is a power-supply square ceiling A mounted on the ceiling.
1. It is attached to one beam B on the ceiling, with the round ceiling A2 and the eared ceiling A3 being the mounting centers.

Next, mounting on the ceiling will be described. When the rectangular ceiling A1 is attached to the ceiling, the retaining pieces 73 of the first guide body 7 are attached to the first support pieces 6.
The first guide body 7 is fixed to the mounting body 6 by being hooked on the first and second members 61, and the second guide body 8 is fitted into the hole 71 of the first guide body 7. Hole 81 in body 8
Is fitted to the rectangular sealing A1. At this time, since the positioning projections 82, 82 engage with the positioning recesses 75, 75, the relative rotation of the guides 7, 8 and the second guide 8
And relative rotation of the rectangular sealing A1 becomes impossible,
As a result, the pair of mounting holes a for mounting on the ceiling provided in the mounting portion 64 of the mounting body 6 and the rectangular ceiling A1 are positioned on the virtual straight line X. Therefore, even if a person who is unfamiliar with the work, inserts the mounting screw 63 into the mounting portion 64 and tightens the mounting member 6 to one beam B on which the rectangular sealing A1 is mounted without fail. Can be installed accurately.

Next, the upper guide plate 41 holding the connecting piece 45 is mounted to the mounting body 6 by the screw body 40. Then, the sealing fitting 30a of the power supply line 30 inserted into the shaft body 20 is connected to the square sealing A.
1, and the blower 2 supported by the shaft body 20 is supported on the support pieces 62 of the mounting body 6 by the hook body 9 held on the upper part of the shaft body 20. In this case, the hook 9 disposed above the fan 22 is hidden by the fan 22, but the upper guide plate 41 attached to the mounting body 6 has a mark 4 facing the rotation range of the fan 22.
4, the hooks 9b, 9b of the hook 9 can be accurately aligned with the support pieces 62, 62 by matching the outer peripheral edge of the fan 22 with the mark 44. Even a person who is unfamiliar with the construction can easily attach the blower 2 to the ceiling by rotating the hanging body 9 together with the shaft body 20, thereby improving the workability of attaching the blower 2.

When the blower 2 is supported on the mounting body 6 from below the mounting body 6, the projections 96, 96 of the hook 9 come into contact with the lower circumferential recess 74a on the lower side of the first guide body 7. By moving the shaft body 20 in this state, the protruding pieces 96, 96 move to positions corresponding to the axially long recesses 74c, 74c, and in this state, the blower 2 is moved upward. As a result, the projections 96, 96 are axially recessed 74c, 74c
The hooks 9b, 9b are moved to a position corresponding to the support pieces 62, 62 by rotating the shaft 20 in this state, and the protrusions 96, 96 are engaged. Moves to a position corresponding to the locking recesses 74d, 74d, and in this state, the blower 2 is lowered by its own weight, so that the hook pieces 9b, 9b engage with the support pieces 62, 62 and the projection pieces 96, 96 engage. By engaging with the stop recesses 74d, 74d, the blower 2 can be supported and the rotation of the blower 2 with respect to the mounting body 6 can be prevented.
Further, the lower guide plate 4 supported on the shaft body 20 of the blower 2.
2, the load of the derivative 43, the controller 46, the filter 5, and the lighting fixture 1 can be supported by the hanging member 9.

Next, the lower guide plate 42 holding the derivative 43 and the controller 46 is attached to the support 1 below the shaft 20.
Attach to 0. In this mounting, the guide tube 43f is inserted into the connecting piece 45, and the insertion hole 42c is attached to the mounting screw 31.
And the nuts 32 and 49 are screwed into the mounting screws 31 and the connecting pieces 45 to thereby form the lower guide plate 42.
Install. Further, the other ends of the power supply line 30 and the motor cord 33 are pulled out downward from the insertion hole 42d of the lower guide plate 42, and the motor cord 3 connected to the controller 46 is pulled out.
Connect to 5.

Thereafter, the filter 5 held by the filter holder 50 is moved to the guide plates 41 and 42 as shown in FIG.
It is inserted along the lower guide plate 42 from the filter insertion portion 47 in between. In this case, the lower guide plate 42 has a business trip unit 47
a, it can be easily placed on the business trip part 47a, and the vertical dimension on the insertion start side is larger than the vertical dimension on the insertion end side via the inclined surfaces 47b, 47c. Therefore, it can be smoothly inserted into the insertion start side. Thereafter, the filter 5 is inserted along the guide plate 42 as shown in FIG. 22 (c) while changing its position upward while contacting the inclined surface 47b as shown in FIG. 22 (b). ), The inclined surface 47c of the connecting plate portion 43c.
And is slightly pressed by the inclined surface 47c, and is inserted into the insertion end side while bending. On the insertion end side, the upper and lower dimensions are made smaller than the upper and lower dimensions of the filter 5, so that the gap between the filter insertion portions 47 can be satisfactorily eliminated by the filter 5, and the airflow generated by the blower 2 is reduced. Leakage from around the filter 5 can be favorably prevented. Further, since the filter insertion portions 47 of the lower guide plate 42 and the dielectric 43 have the inclined surfaces 47b and 47c, the rigidity of the filter insertion portions 47 can be increased. Next, the assembling is completed by attaching the globe 13 holding the illumination lamp 11 and the cover body 15.

When the round ceiling A2 is mounted on the ceiling, the second guide body 8 is pulled out from the hole 71 of the first guide body 7 hooked on the mounting body 6 as described above. The hole 71 of the first guide body 7 is fitted into the round sealing A2. At this time, since the positioning projection 72 engages with the positioning groove of the round sealing A2, the relative rotation between the first guide body 7 and the round sealing A2 becomes impossible. A pair of ceiling mounting holes a, provided in the part 64 and the round ceiling A2,
a is located on the virtual straight line X. Therefore, even when a person unfamiliar with the work attaches, the mounting portion 6
By inserting the mounting screw 63 into the 4 and tightening it, the mounting body 6 can be accurately mounted on one beam B on which the round sealing A2 is mounted. Since the following assembling procedure is the same as that of the case of the square-shaped sealing A1, the description and operation of the procedure will be omitted.

When the eared ceiling A3 is mounted on the ceiling, the first and second guides 7,
Without holding the mounting member 8, the center of the mounting body 6 is inserted into the ear-mounted sealing A2, and the first support pieces 61, 61 are
Ear-mounted sealing A3 with threaded holes in the ears
Is attached to the ear portion with an attachment screw 60. Therefore, even when a person unfamiliar with the work attaches, the attachment 6
Can be accurately and accurately attached to the ear-mounted sealing A3. The following assembly procedure is a square sealing A
Since this is the same as the case of 1, the description and operation of the procedure are omitted.

As described above, in the air purifier mounted on the ceiling, the instruction signal output from the remote control is transmitted to the controller 46 via the receiving section 14 provided on the lower guide plate 42, and the illuminating lamp is provided. On / off control of the fan 11 and the blower 2, control of the rotation speed of the blower 2, and the like can be performed. The fan 2 is driven by the electric motor 21 of the blower 2.
2 rotates, and an air flow is generated between the upper and lower guide plates 41 and 42. This airflow purifies the indoor air from the suction port 4a through the filter 5, and the lower guide plate 42
And the fan 2 while being guided by the plate-shaped guiding portion 43d.
The guide 22 is guided by the second cone 22a, passes through the space between the blades of the fan 22 from the cone 22a, and is blown into the room from the outlet 4b while being guided by the upper guide plate 41 and the plate-shaped guide 43d.

The filter 5 includes upper and lower guide plates 4.
Since the filter 5 is inserted between the bases 1 and 42 along the guide plate 42 so as to be inserted / extracted, when the filter 5 is cleaned, the cover 15 can be removed from the globe 13 without removing the lighting fixture 1. Can be extracted smoothly.

When the blower 2 is to be maintained, the globe 13 and the illuminating lamp 11 are removed, the nuts 32 and 49 are loosened, and the lower guide plate 42 and the lower member 43 are removed.
Next, the supporter 10 is gripped and the blower 2 is slightly pushed up,
The engagement of the projection 96 with the locking recess 74d is released, and the projection 96
By turning the shaft body 20 in a state in which the protrusions 96 are engaged with the circumferential recess 74b, the protruding pieces 96 engage with the edges of the shaft recess 74c,
In this state, the force for supporting the blower 2 is reduced, and the protruding piece 96 moves along the axially long concave portion 74c due to the own weight of the blower 2, and the hook of the hook 9 to the mounting body 6 is released.
Can be removed.

In the embodiment described above, the mounting body 6 is mounted on the upper guide plate 41, and the mounting body 6 is mounted on the ceiling by the mounting screws 63. The upper guide plate may be formed integrally with the mounting body 6 and the upper guide plate may be formed by attaching the mounting body 6 to the upper guide plate 41.

In the embodiment described above, the hole 7
1 and the second guide 8 having the hole 81 are formed separately from the mounting body 6, but in addition, the first guide body 7 is formed integrally with the mounting body 6, The second guide body 8 may be formed integrally with the second guide body 7 and the mounting body 6, and this integrated body may be used as the mounting body.

[0052]

As described in detail above, according to the first aspect of the present invention, the blower can be easily mounted on the ceiling by rotating the hook provided on the shaft. In addition, since the blower is attached to the ceiling by the hook, the dimension from the ceiling to the lower surface of the air cleaner can be shortened as compared with the conventional suspension type.

According to the second aspect of the present invention, the attachment for attaching the blower to the ceiling via the hook can be positioned and arranged around the ceiling for the power supply, so that the attachment can be made small and lightweight. The mounting body can be easily mounted at an appropriate position on the ceiling.

According to the third aspect, the load of the blower, the lower guide plate, and the illuminating light can be applied to the portion where the hanging body is attached to the mounting body. Since the frictional resistance can be increased, the latching body can be prevented from turning carelessly, and stable latching can be performed.

According to the fourth aspect, the rotation of the shaft body can be prevented via the upper guide plate, the connecting piece, and the lower guide plate connected to the mounting body. It is possible to prevent the latch body from rotating carelessly, and to perform a more stable latch. Moreover, the bending of the upper and lower guide plates can be satisfactorily prevented by the connecting piece, and the shaft and the hook can be given downward tension by the load of the lower guide plate and the illumination lamp. By this tension, the frictional resistance of the hooking body with the mounting body can be increased, so that the hooking body can be prevented from turning carelessly, and a more stable hooking can be performed.

[Brief description of the drawings]

FIG. 1 shows a ceiling-mounted air purifier according to the present invention in FIG.
It is sectional drawing of the -I line.

FIG. 2 is a sectional view taken along line II-II of FIG.

FIG. 3 is a bottom view of the ceiling-mounted air purifier according to the present invention, in which a lighting fixture and a lower guide plate are removed.

FIG. 4 is an exploded sectional view of the ceiling-mounted air purifier according to the present invention.

FIG. 5 is a sectional view of a blower of the ceiling-mounted air purifier according to the present invention.

FIG. 6 is a bottom view of an upper guide plate of the ceiling-mounted air purifier according to the present invention.

FIG. 7 is a bottom view of the mounting body of the ceiling-mounted air purifier according to the present invention.

FIG. 8 is a sectional view of an attachment body of the ceiling-mounted air purifier according to the present invention.

9A is a bottom view of the first guide body, and FIG. 9B is a cross-sectional view of the first guide body.

FIG. 10 is a bottom view of the ceiling-mounted air purifier according to the present invention in a state where the first guide body is held by the mounting body.

FIG. 11 is a cross-sectional view of the ceiling-mounted air purifier according to the present invention in a state where the first guide body is held by the mounting body.

FIG. 12 is a plan view of a second guide body of the ceiling-mounted air purifier according to the present invention.

FIG. 13 is a bottom view of the ceiling-mounted air purifier according to the present invention in a state where the second guide body is held by the mounting body.

FIG. 14 is a cross-sectional view of the ceiling-mounted air purifier according to the present invention in a state where the second guide body is held by the mounting body.

FIG. 15 is a bottom view of the ceiling-mounted air purifier according to the present invention in a state where the mounting body is held by an ear-mounted ceiling.

FIG. 16 is a cross-sectional view of the ceiling-mounted air purifier according to the present invention in a state where the mounting body is held by an ear-mounted ceiling.

FIG. 17 is a plan view of a hanging body of the ceiling-mounted air purifier according to the present invention.

FIG. 18 is a bottom view of the support of the ceiling-mounted air purifier according to the present invention.

FIG. 19 is a cross-sectional view showing a state in which a hook and a support are held by a blower of the ceiling-mounted air purifier according to the present invention.

FIG. 20 is a cross-sectional plan view showing a cross section of the hook body of FIG. 19;

FIG. 21 is a cross-sectional bottom view showing a cross section of the support portion of FIG. 19;

22 (a) is a cross-sectional view of a filter and a filter insertion portion, and (b) to (d) are cross-sectional views illustrating a process of inserting a filter.

FIG. 23 is a cross-sectional view showing a conventional ceiling-mounted air cleaner.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Lighting fixture 2 Blower 20 Shaft 4 Casing 41 Upper guide plate 42 Lower guide plate 45 Connecting piece 6 Mounting body 6a Hole 9 Hanging body 10 Supporting body

Claims (4)

[Claims] 1. A ceiling-mounted air purifier comprising a casing having upper and lower guide plates for guiding an air flow generated by a blower housed therein, above the illuminating lamp. Characterized by comprising a shaft body extending in the direction of, and a locking body provided on an upper part of the shaft body so as to be detachably hooked to a mounting body mounted on the ceiling by turning operation. Type air purifier. 2. The ceiling-mounted air purifier according to claim 1, wherein the mounting body has positioning means for positioning a guide body fitted to a power supply ceiling mounted on the ceiling. 3. The ceiling according to claim 1, wherein a support for supporting the lower guide plate is provided below the shaft body, and the illuminating lamp is attached to the lower guide plate. Mounting type air purifier. 4. The upper guide plate is coupled to the mounting body, and is one of the upper and lower guide plates, and a plurality of the upper guide plates are connected to the outside of the rotation range of the fan and to the other. The ceiling-mounted air purifier according to claim 3, further comprising a connecting piece.