JPH0722334U - Air circulation device - Google Patents

Abstract

(57) [Summary] [Purpose] To allow air to be circulated from the ceiling to the floor or from the floor to the ceiling in a room with a simple operation. [Structure] A fan 12 for circulating air is rotatably mounted in a base 4 mounted on a wall surface, and this fan is made rotatable by a reversing means 30 so that the fan is reversed.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to an air circulation device, and more particularly, to an improvement of an air circulation device for efficiently circulating air near a ceiling and air near a floor in a room.

[0002]

[Prior art]

 Conventionally, as this type of air circulation device, as disclosed in Japanese Patent Laid-Open No. 61-49945, a box-shaped hollow box is provided with a suction port for indoor air at the lower end and an air outlet is provided at the upper end of the box. It is known that an intake and exhaust fan is installed inside. In addition, as disclosed in Japanese Utility Model Laid-Open No. 60-176042, ventilation holes are provided at the top and bottom of furniture for partitioning a room such as partitions and partitions, and the upper and lower ventilation ports are connected by an air flow path, and the air flow is also made. It is known that a fan is installed on the road. Further, as disclosed in Japanese Utility Model Publication No. 61-66727, Japanese Utility Model Publication No. 61-116934 and Japanese Utility Model Publication No. 61-170936, intake and exhaust ports are provided above and below the storage shelves and a fan is provided in the air passage. The one provided is known.

[0003]

[Problems to be solved by the device]

 However, as described above, in the prior art, since the intake and exhaust ports are provided at the upper and lower ends of the boxes and storage shelves that are placed on the floor, these intake and exhaust ports should be placed as close to the ceiling or floor as possible. There is a limit to the amount of air flow, and therefore, there were cases where the air circulation in the room could not be completed completely. In particular, in a room with heating and cooling equipment, there is a large difference in temperature between the air near the ceiling and the air near the floor, so the intake and exhaust ports should be placed closest to the ceiling or floor in order to equalize the room temperature. It is desirable to do. In the prior art as described above, in order to obtain efficient air circulation, it is necessary to manufacture a circulation device of various sizes so that it can be used from a room with a high ceiling to a room with a low ceiling, which results in extremely high manufacturing cost. It had the drawback of being expensive.

Further, in the above-mentioned conventional techniques, there is a drawback that the whole apparatus becomes large in size because it takes the form of a box or a storage rack.

It is an object of the present invention to provide an air circulation device that solves the above-mentioned drawbacks of the prior art.

[0006]

[Means for achieving the object]

 In order to achieve the above object, the present invention provides a first base having a fan for air circulation and mounted on a wall surface, and a first end having one end attached to one end of the base and the other end. And a second duct having one end attached to the other end of the base and having a second air port at the other end, the first and second ducts being vertically movable on the base. In addition to being mounted, the fan is rotatably attached to the base, and the fan can be rotated and inverted with respect to the base by the inversion means.

[0007]

[Action]

 The base is rotatably attached to the wall surface, and the first duct and the second duct are attached to the base so as to be vertically movable. Therefore, the air vents of the first duct and the second duct can be installed as close as possible to the ceiling or floor surface, and one unit can be adapted to a room of various sizes. Further, the fan can be inverted by rotating the fan with respect to the base by the inversion means, whereby air can be circulated from the ceiling to the floor surface or from the floor surface to the ceiling.

[0008]

【Example】

 Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

Referring to FIG. 1, an air circulation device 1 according to the present invention is mounted on an arbitrary wall surface 3 of a chamber 2. The air circulation device comprises a base 4, a first duct 5 attached to one end of the base, for example, an upper end, and a second duct 6 attached to a lower end of the base. The base 4 and the first and second ducts 5 and 6 have a generally rectangular shape as shown in FIG. 2, but are not limited thereto.

As shown in FIG. 1, the base 4 includes a hollow main body 7, a first cylindrical body 8 formed on the upper end of the main body, and a second cylindrical body 9 formed on the lower end of the main body. . An air circulation hole 10 is provided in a partition wall that separates the main body from the first and second cylindrical bodies.

The main body 7 is rotatably attached to the wall surface 3 by attaching means 11 described later.

A fan 12 for air circulation is arranged in the main body 7 (see FIGS. 1 and 3). Although two fans are provided in the illustrated embodiment, one fan may be provided, or three or more fans may be provided.

The fan 12 is composed of a motor 13 and a blade 14 rotated by the motor in the illustrated embodiment. The blade body is set so as to allow air to flow from the first duct 5 to the second duct 6, for example.

The motor 13 is supported on the inner wall of the main body 7 by a plurality of support rods 15.

The lower end of the first duct 5 is fitted in the first cylindrical body 8 of the main body, and the upper end of the second duct 6 is fitted in the second cylindrical body 9.

A first air port 16 is provided at the upper end of the first duct 5, and a second air port 17 is provided at the lower end of the second duct 6. The first air opening 16 is arranged near the ceiling 2a, and the second air opening 17 is arranged near the floor surface 2b.

The first duct 5 and the second duct 6 are movable with respect to the first tubular body 8 and the second tubular body 9 by the adjusting means 18, respectively. These adjusting means are slits 19 provided in the first cylinder 8 and the second cylinder 9 and extending in the vertical direction, and bolts screwed into the first duct 5 and the second duct 6 through these slits. It consists of 20 and. These adjusting means are provided on both side surfaces of the first duct 5 and both side surfaces of the second duct 6, respectively. Therefore, when the bolt 20 is loosened, the first duct and the second duct can be moved in the vertical direction, and when the bolt 20 is tightened, these first and second ducts can be fixed to the base. If necessary, the first and second ducts can be fixed to the wall surface by any fixing means 21.

The mounting means 11 for mounting the base on the wall surface is composed of a screw rod 22 screwed into the wall face 3 and fitted into a hole 7 a formed in the main body 7, and a tightening screw 23 screwed into this screw rod. Therefore, when the tightening screw 23 is loosened, the base can be rotated with respect to the wall surface, and when the tightening screw is tightened, the base can be fixed to the wall surface.

The usage state is briefly described as follows. First, the screw rod 22 is screwed into a predetermined wall surface. Next, the base is attached to the screw rod 22 by inserting this screw rod into the hole 7a of the main body 7 and then screwing the tightening screw 23 into the screw rod 22. Next, the first duct 5 and the second duct 6 are inserted into the first cylinder 8 and the second cylinder 9 of the base, respectively, and the bolt 20 is screwed into the first duct and the second duct through the slit 19. The first duct and the second duct are fixed to the base by tightening together. At this time, the first air port 16 of the first duct is located as close to the ceiling 2a as possible, and the second air port 17 of the second duct is located as close to the floor surface 2b as possible. Then, the first duct and the second duct are fixed to the wall surface using the fixing means 21 as needed. When the fan is driven in this state, air near the ceiling is introduced into the first air port 16, and this air passes through the first duct 5, the air circulation hole of the main body, and the second duct 6 to generate the second air. Blow out from mouth 17. In this case, warm air near the ceiling can be supplied to the floor, which is particularly suitable for heating.

In the case of cooling, in order to supply the cool air near the floor to the vicinity of the ceiling, the fixing means of the first duct and the second duct is released, and the bolt 20 is loosened to remove the first duct and The second duct is reduced and then the clamping screw 22 is loosened and the base 4 is rotated so that the first duct 5 is located below and the second duct 6 is located above. The base, first and second ducts are then fixed as described above. In this way, cold air near the floor surface is introduced into the first air port 16, and this air passes through the first duct, the air circulation hole, and the second duct, and then from the second air port 17 to the ceiling. Blow out near.

In the embodiment shown in FIG. 4, the base 4 comprises a first tubular body 4a and a second tubular body 4b detachably attached to the first tubular body. One end of the first duct 5 is slidably inserted into the first tubular body 4a, and one end of the second duct 6 is slidably inserted into the second tubular body 4b. In this embodiment, the first duct and the first tubular body and the second duct and the second tubular body are merely inserted and are not fixed by any attachment means. Instead, the first and second ducts are fixed to the wall by fixing means 21. In this case, it is preferable that the fixing means is, for example, a double-sided tape because the attachment becomes easy. In this embodiment, the fan is mounted on a shelf provided on the inner surface of the second cylindrical body 4b, for example. The fan can be turned over after separating the first and second cylinders. Therefore, it can function as both cooling and heating.

In the embodiment shown in FIG. 5, the fan 12 is rotatably attached to the base 4 and can be freely inverted by an inversion means, that is, a knob 30. In this case, the fan is locked at a predetermined position by a locking means (not shown).

In the above embodiment, the first and second ducts, bases, etc. can be made of plastic.

[0024]

[Effect of device]

 According to the present invention, by simply reversing the fan with respect to the base by the reversing means, warm air near the ceiling is brought near the floor and cold air near the floor is brought near the ceiling as described above. Therefore, the air in the room during heating or cooling can be circulated so that the room temperature becomes uniform. Further, since the first and second ducts are expandable and contractible, there is a practical advantage that they can be adapted to chambers of various sizes, and the mounting operation is simple. Moreover, since the whole is an assembly kit type, it is easy to carry and assemble.

[Brief description of drawings]

FIG. 1 is a sectional side view showing a state in which an air circulation device according to the present invention is attached to a wall surface.

FIG. 2 is a perspective view of the air circulation device of the present invention.

3 is a sectional view taken along the line AA of FIG.

FIG. 4 is a sectional view of an essential part showing another embodiment of the present invention.

FIG. 5 is a sectional view of an essential part showing still another embodiment of the present invention.

[Explanation of symbols]

 4 ... Base 5 ... 1st duct 6 ... 2nd duct 12 ... Fan

Claims (1)

[Scope of utility model registration request] 1. A base attached to a wall surface, a first duct having one end attached to one end of the base and a first air port at the other end, and one end attached to the other end of the base and the other end. A second duct having a second air port, at least one fan for air circulation arranged inside the base and rotatably attached to the base, and a reversing means, and the reversing means. Is an air circulation device, wherein the fan can be rotated with respect to the base to be reversed.