JPH10220857A - Ventilating apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To facilitate maintenance by providing a thumscrew holded by a rotator, an air volume adjusting part screed with the thumscrew, and a finger grip for rotating the rotator on a holding plate forming an air passage between a small diameter cylindrical part and a large diameter cylindrical part of a ventilating apparatus body, and removably providing the finger grip on the rotator. SOLUTION: A large diameter cylindrical part 1 and a small diameter cylindrical part 2 are disposed substantially in a staircase shape, and a plurality of guides 5 are provided axially in the cylindrical part 2 of a ventilating apparatus body 4 mounted on an air blowoff outlet provided in a ceiling, and further a circular holding plate 7 forming an air passage 6 between both cylindrical parts 1, 2 is provided on a lower end part of each guide 5. When a ventilating air volume is adjusted a rotator 9 is rotated by rotating a finger grip 14, and an air volume adjusting part 12 is vertically moved through a screw part 8. Thereafter, when dust deposited on the thumscrew 14 and in the vicinity of the thumscrew 14 is cleaned with an air stream dissipated into a room after passage through the air passage 6, the thumscrew 14 is demounted from the rotator 9 against resilient force of an engagement pawl 17 to clean the thumscrew 14 and the large diameter cylindrical part 1.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ventilator attached to an air outlet or an air inlet provided on the indoor side of an air conditioner or a ventilator.

[0002]

2. Description of the Related Art In recent years, a ventilator installed at an air outlet or an air inlet provided on the indoor side of an air conditioner or a ventilator has been required to have a simple structure and to be easily removable and maintained. ing.

Conventionally, this type of ventilator is shown in FIGS.
As shown in the figure, a large-diameter cylindrical portion 101 and a small-diameter cylindrical portion 10 are provided.
2 are arranged substantially in steps, forming a main body 103 of a ventilation device provided at an air outlet or the like on the ceiling surface, and having a small-diameter cylindrical portion 1.
02, a guide plate 104, a disk 105 at the lower end of the guide 104, an inclined guide surface 106 on the upper surface, and an air volume adjusting unit 107 that moves up and down along the guide 104.
Is provided in the small-diameter cylindrical portion 102, and the screw portion 1 is screwed into the knob 108 and the air volume adjusting portion 107 so as to sandwich the disk 105.
09 is provided rotatably, the screw portion 109 is rotated by the rotation of the knob 108, the air volume adjustment portion 107 is moved downward,
A guide surface 10 of an air volume adjusting unit 107 is provided for an air passage 110 communicating the small-diameter cylindrical portion 102 and the large-diameter cylindrical portion 101.
In correspondence with No. 6, the blown air sent into the small-diameter cylindrical portion 102 is sent to the air passage 110 along the guide surface 106 and diffused into the room or the like from the large-diameter cylindrical portion 101.

[0004]

In such a conventional ventilating apparatus, when the knob 108 is rotated and the air volume adjusting unit 107 is lowered to the lowest position, the air passage 110 is opened to the maximum, the air volume becomes maximum, and the air volume is adjusted. The air volume was adjusted so that the air volume was reduced as the unit 107 was raised.
There is a problem that dust and the like are easily attracted and adhered to the vicinity of the knob 108 by the flow of air, and the workability of maintenance is poor because the knob does not come off when cleaning the dust.

An object of the present invention is to solve the above-mentioned problems, and a first object of the present invention is to provide a ventilator capable of easily performing maintenance work.

A second object is to provide a knob with a filter, thereby simplifying the shape of the filter and eliminating forgetting to attach the filter.

A third object is to reduce the number of parts and increase the strength of the knob by integrally molding the filter and the knob.

[0008]

According to the ventilating apparatus of the present invention, a large-diameter cylindrical portion and a small-diameter cylindrical portion are arranged in a substantially stepped manner, and a main body of the ventilating device provided at an air outlet or the like is provided. A plurality of guides provided in the axial direction in the small-diameter tubular portion, and a lower end portion of the guide, which is disposed in the large-diameter tubular portion, and wherein the small-diameter tubular portion and the large-diameter tubular portion are provided. And a screw portion held by a rotating body provided below the holding plate in a shape protruding into the small-diameter cylindrical portion on the holding plate. When,
The air conditioner includes an air flow amount adjusting unit that has an inclined guide surface that goes up and down along the guide and that adjusts the amount of air flowing through the air passage, and a knob that rotates the rotating body. The rotating body is detachably provided.

According to the present invention, it is possible to provide a ventilator capable of easily performing maintenance work.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention according to claim 1 of the present invention is directed to a ventilating device provided with a large-diameter cylindrical portion and a small-diameter cylindrical portion in a substantially stepped manner and provided at an air outlet or the like. A main body, a plurality of guides provided in the axial direction in the small-diameter tubular portion, and a lower-end portion of the guide disposed in the large-diameter tubular portion, wherein the small-diameter tubular portion and the large-diameter tube are provided. A circular holding plate forming an air passage between the holding portion and a circular plate, and the holding plate is held by a rotating body provided below the holding plate in a shape protruding into the small-diameter cylindrical portion. Threaded part,
The air conditioner includes an air flow amount adjusting unit that has an inclined guide surface that goes up and down along the guide and that adjusts the amount of air flowing through the air passage, and a knob that rotates the rotating body. It is a configuration of a ventilation device detachably provided on the rotating body, and by removing the knob from the rotating body at the time of maintenance, the knob itself can be easily cleaned, the protrusion by the knob is eliminated, and the large diameter The inside of the cylindrical portion can be easily cleaned, and the workability of maintenance is improved.

Hereinafter, embodiments of the present invention will be described with reference to FIGS.
This will be described with reference to FIG. (Embodiment 1) As shown in FIG. 1 and FIG. 2, a large-diameter cylindrical portion 1 and a small-diameter cylindrical portion 2 are arranged in a substantially stair-like manner, and an air outlet (not shown) provided on a ceiling is provided. ), Etc., a guide 5 in the axial direction in the small-diameter tubular portion 2 of the main body 4 of the ventilation device.
And a circular holding plate 7 that forms an air passage 6 between the small-diameter cylindrical portion 2 and the large-diameter cylindrical portion 1 at the lower end of the guide 5. At the center of the upper side of the holding plate 7, a screw portion 8 protruding into the small-diameter cylindrical portion 2 is provided in the lower portion of the holding member 7.
, And holding the holding plate 7 so that the screw portion 8 is turned by the rotation of the rotating body 9, and the screw portion 8 has an inclined guide surface 11 that goes up and down along the guide 5. In addition, an inverted bowl-shaped air volume adjusting unit 12 for adjusting the air volume of the air passage 6 is provided.

The rotating body 9 is provided with a concave portion 13 for performing positioning, and a knob 14 provided for rotating the rotating body 9 is provided with a projection engaging with the concave portion 13 provided on the rotating body 9. An engaging claw 17 that elastically engages with the portion 15 and the outer peripheral portion 16 of the rotating body 9 is formed.

In the above configuration, when adjusting the ventilation air volume, the knob 14 is rotated to rotate the knob 14.
The rotational power of the convex portion 15 provided on the rotating body 9 is
, The rotating body 9 rotates, the screw portion 8 connected to the rotating body 9 rotates, and the air volume adjusting section 12 moves upward or downward.

When the air volume adjusting unit 12 is lowered to the lowest position, the inclined guide surface 11 formed in the air volume adjusting unit 12 corresponds to the air passage 6, and the air passage 6 is opened to the maximum and the small-diameter cylindrical portion is formed. The blown air sent into the inside 2 is sent to the air passage 6 along the guide surface 11 of the air flow adjusting unit 12, and is radiated from the large-diameter cylindrical part 1 into the room with the maximum air flow. When the air flow adjusting unit 12 which has been lowered the lowest by operating the 14, the opening of the air passage 6 is sequentially reduced, and the air flow is adjusted, and the air flow adjusting unit 12 is set at a desired air flow position. Can be.

Further, the knob 14 is attracted by the air flow radiated into the room through the air passage 6, and dust adheres to the knob 14 and the vicinity of the knob 14. By removing the knob 14 from the rotating body 9, the knob 14 and the large-diameter tubular portion 1 can be cleaned.

As described above, according to the ventilation device of the first embodiment of the present invention, the knob 1 to which dust adheres and dirt is easily noticeable.
The maintenance of the knob 4 and the vicinity of the knob 14 can be performed by removing the knob 14.
The cleaning of itself and the cleaning of the large-diameter tubular portion 1 and the like, from which the protrusion is eliminated by the knob 14, are facilitated, and the workability during maintenance is improved.

(Embodiment 2) As shown in FIGS. 3 and 4, an opening 18 communicating with the air passage 6 and having a shape disposed inside the large-diameter tubular portion 1 outside the knob 14A is provided. An annular frame 19 is provided, and a filter 20 is detachably provided in the opening 18 of the frame 19.

In the above configuration, when the knob 14A is operated to open the air passage 6 and the blown air is sent from the small-diameter cylindrical portion 2, the blown air passes through the air passage 6 and is filtered.
During the passage through 0, dust contained in the blown air is removed by the filter 20, and the purified air is diffused into the room.

When cleaning the filter 20, the knob 14A is detached from the rotating body 9 so that the knob 14A is removed.
The frame 19 provided integrally with A is removed, and the filter 20 provided in the opening 18 of the frame 19 can be removed for cleaning.

As described above, according to the ventilating apparatus of the second embodiment of the present invention, the filter 20 is attached to the frame 19 provided outside the knob 14A outside the movable range of the rotating body 9 and the air volume adjusting unit 12. Since the filter 20 is disposed in the large-diameter cylindrical portion 1, the shape of the filter 20 does not need to be complicated so as not to interfere with the functions of other members, and the filter 20 can be easily attached and detached by attaching and detaching the knob 14A. Can be attached and detached, and the contamination by the knob 14A and dust near the knob 14A can be prevented.

In addition, since the presence or absence of the filter 20 can be easily checked when the knob 14A is attached, it is possible to prevent the user from forgetting to attach the filter 20 after maintenance.

(Embodiment 3) As shown in FIGS. 5 and 6, a filter 20A is integrally provided on a frame 19A provided outside the knob 14B.

In the above configuration, when cleaning the filter 20A, the knob 14B may be removed from the rotating body 9 to remove the filter 20A integrally provided on the frame 19A provided on the knob 14B and perform cleaning. it can.

As described above, according to the ventilating apparatus of the third embodiment of the present invention, by integrally forming the filter 20A with the frame 19A, the strength of the frame 19A is reinforced, the deformation is prevented, and the knob is formed. Filter 20A on 14B
Are integrally provided, the number of components can be reduced, and the strength of the knob 14B can be reinforced.

Although the embodiment has been described in the case where the main body of the ventilator is installed at the air outlet, it goes without saying that the main body of the ventilator may be provided at the air inlet.

[0026]

As described above, according to the present invention, it is possible to provide a ventilator that can easily perform maintenance work by making the knob detachable.

By providing the knob with a filter, it is possible to simplify the shape of the filter and to avoid forgetting to attach the filter.

Further, by integrally molding the filter and the knob, the number of parts can be reduced and the strength of the knob can be increased.

[Brief description of the drawings]

FIG. 1 is a sectional view of a ventilation device according to a first embodiment of the present invention.

FIG. 2 is a perspective view showing a configuration of the ventilation device according to the first embodiment.

FIG. 3 is a cross-sectional view of the ventilation device according to the second embodiment.

FIG. 4 is a top view of a knob of the ventilation device according to the second embodiment.

FIG. 5 is a sectional view of the ventilation device according to the third embodiment.

FIG. 6 is a top view of a knob of the ventilation device according to the third embodiment.

FIG. 7 is a perspective view of a conventional ventilation device.

FIG. 8 is a sectional view of the ventilation device.

[Description of Signs] 1 Large-diameter cylindrical part 2 Small-diameter cylindrical part 4 Main body of ventilator 5 Guide 6 Air passage 7 Retaining plate 8 Screw part 9 Rotating body 11 Guide surface 12 Air volume adjusting unit 14 Knob 14A knob 14B knob 18 opening 19 frame 19A frame 20 filter 20A filter

Claims (3)

[Claims] 1. A large-diameter cylindrical part and a small-diameter cylindrical part are disposed in a substantially stair-like manner, and a main body of a ventilator provided at an air outlet or the like, and a plurality of axially extending parts in the small-diameter cylindrical part A guide provided, and a circular shape which is disposed in the large-diameter tubular portion at the lower end portion of the guide and forms an air passage between the small-diameter tubular portion and the large-diameter tubular portion. A holding plate, a screw portion held by a rotating body provided below the holding plate in a shape protruding toward the inside of the small-diameter cylindrical portion, and screwed to the screw portion; Ventilation provided with an air flow rate adjusting portion having an inclined guide surface which rises and falls along the air path and adjusts an air flow rate of the air passage, and a knob for rotating the rotating body, wherein the knob is detachably provided on the rotating body. apparatus. 2. The frame according to claim 1, wherein a frame is provided outside the knob inside the large-diameter cylindrical portion and has an opening communicating with the air passage, and a filter is provided in the opening of the frame. Ventilation equipment. 3. The ventilation device according to claim 2, wherein the knob and the filter are integrally formed.