JP2548045Y2 - Ventilation fan - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement of a simultaneous supply and exhaust type ventilation fan.

[0002]

2. Description of the Related Art FIG.
FIG. 1 is a diagram showing a conventional ventilation fan disclosed in Japanese Unexamined Patent Publication (Kokai) No. H11-206, in which reference numeral 1 denotes a mounting plate mounted on a wall or the like of a building, through which an exhaust pipe 2 and an air supply pipe 3 penetrate. The exhaust pipe 2 and the supply pipe 3 are also penetrated through the wall. 4 is a main body casing mounted on the mounting plate 1;
Communication ports A5 and B6 are provided on the back to communicate with the exhaust pipe 2 and the air supply pipe 3, respectively. Reference numeral 7 denotes a packing for preventing air leakage between the communication ports A5 and B6 and the pipes 2 and 3, and reference numeral 8 denotes a panel provided at a front portion of the main body casing 4 and a suction port 9 and a discharge port. Exit 10
And are drilled. 11 is a main body case formed by the panel and the main body casing 4, 12 is a partition partitioning the inside of the main body case, 13 is a motor mounting plate mounted on the partition, and 14 is mounted on the motor mounting plate. The electric motors 15 and 16 are an air supply fan and an exhaust fan mounted on the electric motor, and 17 is the communication port A5 and the suction port 9
An exhaust passage 18 which communicates between the communication port B6 and the discharge port 10; a heat exchanger 19 provided at the intersection of the air supply passage and the exhaust passage 17;
0 is a screw for fixing the main body casing 4 to the mounting plate 1;
Reference numeral 21 denotes a shutter plate which is slidably provided between the communication ports A5 and B6 at the back of the main casing 4 and the exhaust pipe 2 and the air supply pipe 3 so as to open and close the ventilation therebetween. Reference numeral 22 denotes a cover for slidably holding the shutter plate. The cover 22 has side walls 23 on the sides other than the lower portion and the upper side, and the shutter plate 21 is slid left and right in the inside. 24, 25 are communication holes A, B, 26, 27 formed in the shutter plate 21 are communication holes C, D formed in the cover 22. When the shutter plate 2 slides, the communication holes A 26, It is communicated with B27. Reference numeral 28 denotes a handle formed in the lower portion of the shutter plate 2.

[0003] The conventional ventilating fan is configured as described above. When the electric motor 14 is operated, the room air enters the main body case 11 through the suction port 9 and exchanges heat with the heat exchanger 19, and is exhausted through the communication port A 5. The air is exhausted outside through the pipe 2.
On the other hand, the outdoor air enters the main body case 11 from the air supply pipe 3 through the communication port B6, exchanges heat in the heat exchanger 19, and is supplied into the room through the discharge port 10. On the other hand, when the operation is stopped, the shutter plate 21 is slid to seal the space between the main body case 11 and each of the pipes 2 and 3 to prevent intrusion of cool air and outside air.

[0004]

In the conventional ventilating fan described above, the shutter plate 21 is slid when the operation is stopped to seal the space between the main body case 11 and each of the pipes 2 and 3; 3 and the exhaust pipe 2 are shorter than the diameter of the pipe, the communication hole A24, the exhaust pipe 2 and the communication hole C26 are formed even when the shutter plate 21 is slid.
And a gap is generated, and there is a problem that outside air, cold air, or the like enters the room through the exhaust pipe 2, the communication hole C26, the communication hole A24, and the communication hole B25.

[0005] This invention has been made to solve the above problem, and even when the distance between the supply pipe and the exhaust pipe is smaller than the diameter of the pipe, the shutter plate completely separates the main body case and each pipe. It is an object of the present invention to obtain a ventilation fan which can be sealed and does not allow cold air, outside air and the like to enter the room.

[0006]

The ventilating fan according to the present invention is provided so as to communicate with a main body case having an air supply fan and an exhaust fan, and with an air supply pipe and an exhaust pipe connected to the main body case. Communication port,
A suction port and a discharge port provided in the main body case so as to communicate with the communication port, a cover attached to the main body case having a cover hole overlapped with the communication port, and A shutter plate is provided between the communication port and each of the pipes so as to be slidable so as to open and close the ventilation therebetween, and the shutter plate and the cover have their ends respectively engaged and folded. A flexible sheet is provided in the cover.

[0007]

According to the present invention, a main body case having an air supply fan and an exhaust fan, a communication port provided to communicate with an air supply pipe and an exhaust pipe connected to the main body case, and the communication port, respectively. A suction port and a discharge port provided in the main body case so as to communicate with the cover mounted on the main body case with a cover hole overlapped with the communication port; and the communication port in the cover. A shutter plate slidably provided to open and close ventilation between the pipes is provided between each of the pipes, and ends thereof are respectively engaged with the shutter plate and the cover, and are bendable. Since the sheet is provided in the cover, the shutter plate is slid so that the shutter plate and the sheet open and close the communication port and the pipe.

[0008]

1 to 6 show one embodiment of the present invention. Reference numerals 2 to 4, 7 to 20 and 28 denote the same or corresponding parts as those of the above-mentioned conventional example. Reference numeral 30 denotes an air supply communication port formed in the back of the main body casing 4, and reference numeral 31 denotes an exhaust communication port also formed in the rear surface of the main body casing 4. Is set smaller than the diameters of the exhaust pipe 2 and the supply pipe 3. Reference numeral 32 denotes a shutter plate which communicates with the air supply communication port 30 and the exhaust communication port 31, and has a shutter air supply port 33 and a shutter exhaust port 34 of the same pitch. Reference numeral 35 denotes a first cover mounting hole provided around the shutter air supply port 33, and is formed of a plurality of locations. Reference numeral 36 denotes a cover, which slidably holds the shutter plate 32, and is provided with protrusions 37 on the sides and the upper side excluding the lower part. Reference numerals 38 and 39 denote a cover air inlet and a cover air outlet, which communicate with the shutter air inlet 33 and the shutter air outlet 34 and have the same pitch. Reference numeral 40 denotes a second cover mounting hole provided around the cover air supply port 38, and is located at a position facing each other when the shutter plate 32 is opened. 41 is a sheet, for example, flammable and
One end is the first cover mounting hole 35, and the other end is the second cover mounting hole 40.
And is folded or folded by sliding the shutter plate 32. 44
Is a mounting plate, and the air supply pipe 3 and the exhaust pipe 2
It is fitted at the same pitch as the discharge communication ports 30 and 31.

In the ventilation fan configured as described above, the cover 36 and the shutter plate 32, in each of which the sheet 41 is fixed, are provided between the mounting plate 44 and the main body case 11, as shown in FIG. Then, it is incorporated into the back of the main body case 11. The main body case 11 is mounted on a mounting plate 44 mounted on a wall, and the motor
Is operated, the indoor air enters the main body casing 11 through the suction port 9, exchanges heat with the heat exchanger 19, and is exhausted outside through the exhaust communication port 31 through the exhaust pipe 2.
On the other hand, the outdoor air enters the main body case 11 from the air supply pipe 3 through the air supply communication port 30, exchanges heat with the heat exchanger 19, and is supplied into the room from the discharge port 10. When the operation is stopped, the seat 41 which has been folded as shown in FIG.
6 opens in the sliding direction as shown in FIG. 6B, and the sheet 41 seals between the air supply communication port 30 and the air supply pipe 3 (shown in FIG. 5B). And shutter plate 3
When 2 is restored, the sheet 41 is folded and stored as shown in FIG. 6A. Thereby, when the interval between the exhaust pipe 2 and the supply pipe 3 is shorter than the diameter of each pipe 2, 3, the exhaust communication port 31 is sealed with the sheet 41.

[0010]

As described above, the present invention provides a main body case having an air supply fan and an exhaust fan, and a communication port provided to communicate with an air supply pipe and an exhaust pipe connected to the main body case. A suction port and a discharge port provided in the main body case so as to communicate with the communication port, a cover attached to the main body case having a cover hole overlapped with the communication port, and a cover inside the cover. A shutter plate slidably provided to open and close the ventilation between the communication ports and the respective pipes, and an end is engaged with the shutter plate and the cover, respectively. Since the foldable sheet is provided in the cover, even if the pipe pitch between the air supply pipe and the exhaust pipe is smaller than the diameter of the pipe, the sheet can pass through the shutter plate. It can be closed airflow between the communication port and the pipe at the Open over preparative, cold air and the outside air intrusion prevention is made more usability is improved.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an embodiment of the present invention.

FIG. 2 is a sectional view showing an embodiment of the present invention.

FIG. 3 is an exploded perspective view of a cover showing one embodiment of the present invention.

FIG. 4 is an exploded perspective view of a shutter plate showing one embodiment of the present invention.

5A and 5B show an embodiment of the present invention, in which a is a rear view showing an open state of a shutter plate, and b is a rear view showing a closed state of the shutter plate.

6A and 6B show an embodiment of the present invention, wherein a is a plan view showing an open state of a shutter plate, and b is a plan view showing a closed state of the shutter plate.

FIG. 7 shows a conventional ventilation fan, wherein a is a cross-sectional view and b is a rear view.

[Explanation of symbols]

 2 exhaust pipe 3 air supply pipe 9 suction port 10 discharge port 11 body case 15 air supply fan 16 exhaust fan 30 air supply communication port 31 exhaust communication port 32 shutter plate 36 cover 38 cover air supply port 39 cover exhaust port 41 sheet

Claims (1)

(57) [Scope of request for utility model registration] 1. A main body case having an air supply fan and an exhaust fan, communication ports provided to communicate with an air supply pipe and an exhaust pipe connected to the main body case, and communication with the communication ports. A suction port and a discharge port provided in the main body case, a cover attached to the main body case having a cover hole overlapped with the communication port, and the communication port and the pipes in the cover. A shutter plate slidably provided so as to open and close the ventilation between the shutter plate and the shutter plate and the cover. A ventilating fan provided inside.