JPH051934U - Ventilation fan - Google Patents

Abstract

(57) [Summary] [Purpose] A foldable seat is provided on the back of a simultaneous supply and discharge type ventilation fan in which a ventilation pipe and an exhaust pipe are connected.
(EN) A ventilation fan capable of preventing outside air and cold air from entering from the above pipes. [Structure] The exhaust pipe 2 and the air supply pipe 3 are attached to a mounting plate 44. A cover 36 is attached to the back surface of the main body case 11 having the exhaust communication port 31, which communicates with the exhaust pipe 2 and the air supply pipe 3, and the air supply communication port 30, which are provided on the back.
A shutter plate 32 for closing the exhaust communication port 31 and the air supply communication port 30 is provided in the inside 6, and a foldable sheet 41 is provided between the shutter plate 32 and the cover 36. Then, the body case 11 is attached to the attachment plate 44.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to an improvement of a simultaneous supply / exhaust type ventilation fan.

[0002]

[Prior Art]

 FIG. 7 is a view showing a conventional ventilation fan disclosed in, for example, Japanese Utility Model Laid-Open No. Sho 60-182632, in which reference numeral 1 is a mounting plate mounted on a wall of a building, an exhaust pipe 2 and an air supply pipe 3 Is penetrated. The exhaust pipe 2 and the air supply pipe 3 also penetrate the wall. Reference numeral 4 denotes a main body casing mounted on the mounting plate 1, and has communication ports A5 and B6 provided at the back thereof so as to communicate with the exhaust pipe 2 and the air supply pipe 3, respectively. 7 is a packing for preventing air leakage between the communication ports A5 and B6 and the pipes 2 and 3, and 8 is a panel provided in the front part of the main body casing 4 and includes a suction port 9 and The discharge port 10 is bored. Reference numeral 11 is a main body case formed by this panel and the main body casing 4, 12 is a partition wall for partitioning the interior of the main body case, 13 is a motor mounting plate mounted on the partition wall, and 14 is a motor mounting plate mounted on the motor mounting plate. Electric motors, 15 and 16 are air supply and exhaust fans mounted on the electric motors, 17 is an exhaust passage that connects the communication port A5 and the suction port 9, and 18 is the communication port B6 and the discharge port. 10 is a supply passage communicating with 10, 19 is a heat exchanger provided at the intersection of the supply passage and the exhaust passage 17, 20 is a screw for fixing the body casing 4 to the mounting plate 1, and 21 is A shutter plate is provided slidably between the communication ports A5, B6 at the back of the main body casing 4 and the exhaust pipe 2 and the air supply pipe 3 so as to open and close ventilation therebetween. Reference numeral 22 denotes a cover for slidably holding the shutter plate, which has side walls 23 on the side and the upper side excluding the lower part, in which the shutter plate 21 slides left and right. Reference numerals 24 and 25 denote communication holes A, B, 26, 27 formed in the shutter plate 21, and communication holes C, D formed in the cover 22. The communication holes are formed when the shutter plate 2 slides. It is communicated with A26 and B27. Reference numeral 28 is a handle portion formed in the lower portion of the shutter plate 2.

The conventional ventilation fan is configured as described above, and when the electric motor 14 is operated, indoor air enters the main body case 11 through the suction port 9 and is heat-exchanged by the heat exchanger 19, and exhausted through the communication port A5. It is exhausted to the 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, is heat-exchanged by the heat exchanger 19, and is supplied to the room through the exhaust 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 cold air and outside air from entering.

[0004]

[Problems to be solved by the device]

 In the conventional ventilation fan as 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, but the air supply pipe 3 and the exhaust pipe 2 are separated from each other. When the distance is shorter than the diameter of the pipe, even if the shutter plate 21 is slid, the communication hole A24 partially overlaps with the exhaust pipe 2 and the communication hole C26, and a gap is generated. There is a problem that outside air, cold air, and the like enter the room through C26, the communication hole A24, and the communication hole B25.

The present invention has been made to solve the above problems, and even when the distance between the air supply pipe and the exhaust pipe is smaller than the diameter of the pipe, the shutter plate completely removes the main case and each pipe. The purpose of the invention is to obtain an air-cooling fan that can seal the space between and and that does not allow cold air or outside air to enter the room.

[0006]

[Means for Solving the Problems]

 A ventilation fan according to the present invention includes 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. A suction port and a discharge port provided on the main body case so as to communicate with the main body case, a cover mounted on the main body case having a cover hole that overlaps with the communication port, and the communication port inside the cover. A shutter plate slidably provided so as to open and close ventilation between the pipes and the pipes, and end portions of the shutter plate and the cover are engaged with each other, and a folding plate is formed. A flexible seat is provided inside the cover.

[0007]

[Action]

 In this invention, a main body case having an air supply fan and an exhaust fan, a communication port provided to communicate with the air supply pipe and the exhaust pipe connected to the main body case, and a communication port with this communication port. A cover attached to the main body case having a suction port and a discharge port provided in the main body case, a cover hole that overlaps with the communication port, and the communication port and the inside of the cover. A shutter plate slidably provided between the pipes to open and close the ventilation between the pipes is provided. The shutter plate and the cover have their end portions attached to each other, and a flexible sheet. Since the cover is provided inside the cover, the shutter plate and the sheet open and close between the communication port and the pipe by sliding the shutter plate.

[0008]

【Example】

 1 to 6 are views showing an embodiment of the present invention, and 2 to 4, 7 to 20 and 28 show the same or corresponding portions as the above conventional example. Reference numeral 30 denotes an air supply communication port formed on the back surface of the main body casing 4, and 31 denotes an exhaust communication port also formed on the back surface of the main body casing 4, which connects the exhaust communication port and the supply air communication port 30. The interval is set smaller than the diameters of the exhaust pipe 2 and the air supply pipe 3. Reference numeral 32 denotes a shutter plate, which is communicated with the air supply communication port 30 and the exhaust communication port 31 described above, and a shutter air supply port 33 and a shutter exhaust port 34 of the same pitch are formed. Reference numeral 35 denotes a first cover mounting hole that is provided around the shutter air supply port 33 and is formed at 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 side and the upper side excluding the lower part. Reference numerals 38 and 39 denote a cover air supply port and a cover air exhaust port, which communicate with the shutter air supply port 33 and the shutter air exhaust port 34 and have the same pitch. Reference numeral 40 denotes a second cover mounting hole that is provided around the cover air supply port 38, and is a position facing each other when the shutter plate 32 is opened. Reference numeral 41 denotes a sheet, which is made of, for example, a flexible synthetic resin that is calcinable and bendable, has one end with the first cover mounting hole 35 and the other end with the rivet 42 in the second cover mounting hole 40. The shutter plate 32 is engaged and bent, that is, folded by sliding the shutter plate 32. Reference numeral 44 denotes a mounting plate in which the air supply pipe 3 and the exhaust pipe 2 are fitted at the same pitch as the supply / exhaust communication ports 30 and 31.

In the ventilation fan configured as described above, as shown in FIG. 2, the cover 36 and the shutter plate 32, to which the seat 41 is attached between the mounting plate 44 and the main body case 11, are provided. It is installed and incorporated in the back of the main body case 11. Then, the main body case 11 is attached to the attachment plate 44 attached to the wall, and the electric motor 14 is operated in the same manner as in the conventional case, whereby the indoor air enters the main body casing 11 from the suction port 9 and enters the heat exchanger 19. The heat is exchanged with the exhaust gas and is exhausted from the exhaust communication port 31 to the outside 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, is heat-exchanged by the heat exchanger 19, and is supplied to the room through the exhaust port 10. When the operation is stopped, the shutter plate 32 is slid to open the sheet 41 folded as shown in FIG. 6A in the slid direction as shown in FIG. 6B. The sheet 41 seals between the air supply communication port 30 and the air supply pipe 3 (shown in b of FIG. 5). Then, when the shutter plate 32 is returned to its original position, the sheet 41 is folded and stored as shown in FIG. As a result, when the distance between the exhaust pipe 2 and the air supply pipe 3 is shorter than the diameter of each pipe 2, 3, the exhaust communication port 31 is sealed by the sheet 41.

[0010]

[Effect of the device]

 As described above, the present invention has a main body case having an air supply fan and an exhaust fan, and a communication port provided to communicate with the air supply pipe and the exhaust pipe connected to the main body case, respectively. A suction port and a discharge port provided in the main body case so as to communicate with the communication port, a cover having a cover hole that overlaps with the communication port and attached to the main body case, and the inside of the cover. A shutter plate slidably provided to open and close the ventilation between the communication port and each pipe is provided, and the shutter plate and the cover are respectively attached at their ends. Since a flexible seat is provided inside 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 seat can be attached via the shutter plate. Can close the vent between the communication port and the pipe at Kukoto, cold air and the outside air intrusion prevention is made more usability is improved.

[Brief description of 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 an embodiment of the present invention.

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

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

FIG. 6 shows an embodiment of the present invention, in which a is a plan view showing an open state of the shutter plate, and b is a plan view showing a closed state of the shutter plate.

FIG. 7 shows a conventional ventilation fan, in which a is a sectional view and b is a rear view.

[Explanation of symbols]

 2 Exhaust pipe 3 Air supply pipe 9 Suction port 10 Exhaust port 11 Main 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)

[Claims for utility model registration] [Claim 1] A main body case having an air supply fan and an exhaust fan, and a communication port provided to communicate with the air supply pipe and the exhaust pipe connected to the main body case, respectively. 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 that overlaps with the communication port, and the inside of the cover. A shutter plate slidably provided so as to open and close ventilation between the communication port and each of the pipes. , A ventilating fan characterized by a foldable seat inside the cover.