JPH0317163Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] This invention relates to an air-conditioning ventilation fan, particularly to an improvement in the seal structure of its air supply/exhaust panel.

[Conventional technology]

FIG. 5 is a perspective view showing a conventional panel structure disclosed in, for example, Japanese Utility Model Application Publication No. 55-65441, and FIG. 6 is a vertical sectional view thereof. In the figure, 21 is an outer frame;
Reference numeral 22 indicates a panel arranged on the front side thereof, 23 indicates a panel leg for attaching and movable the panel 22 to the outer frame 21,
24 is a spring that pulls the panel leg 23, 25 is a motor provided within the outer frame 21, and 26 is a motor 2.
5 is the ventilation fan attached, 27 is the panel leg 2
It is a pull cord that slides the motor 25 and starts and stops the motor 25.

Next, the operation will be explained. When the drawstring 27 is pulled, the panel leg 23 is pulled against the spring 24, the panel 22 moves from the position 22a to the solid line position, the motor 25 starts, and the blower fan 26 rotates. Motor 25 and blower fan 2
The indoor air discharged by 6 is sucked in through the gap between the outer frame 21 and the panel 22, and is led to the outside through the inside of the machine. When the drawstring 27 is pulled again, the motor 25
stops, and the panel 22 moves to the stopped position 22a, blocking the movement of air between the indoor and outdoor spaces.

[Problem that the invention attempts to solve]

Since the conventional air conditioning ventilation fan is configured as described above, the precision of the parts is required to prevent a gap from forming between the outer frame 21 and the panel 22 when the panel 22 is slid to the closed state when stopped. In addition to this requirement, there were also problems such as the need to increase the adhesion load.

This invention was made to solve the above-mentioned problems, and the purpose is to obtain an air conditioning ventilation fan that can reduce the leakage of outdoor air into the room when the fan is stopped.

[Means for solving problems]

The air-conditioning ventilation fan according to this invention has a panel on the front surface of the main body containing a built-in motor and an air supply/exhaust fan that slides back and forth to form an air supply/exhaust passage, and one side of the panel is inclined toward the main body. , a panel sliding mechanism is provided near the opposing sides.

[Effect]

In the air conditioning ventilation fan of this invention, a built-in motor rotates an air supply/exhaust fan to provide ventilation. At this time, when the motor starts, the panel slides toward the front side to form an air supply/exhaust passage. When the motor is stopped, the panel slides to the opposite side and closes the air supply/exhaust passage, but at this time, one side of the panel is slanted toward the main body, so it contacts the main body first, and then the panel near the opposite side contacts the main body first. When the slide mechanism pulls the panel toward the main body, the panel comes into close contact with the main body due to its own elasticity, and the panel can be sealed in a closed state using the panel's own elasticity.

〔Example〕

An embodiment of this invention will be described below with reference to the drawings. Fig. 1 is a vertical sectional view showing an embodiment of this invention, Fig. 2 is a front view, Fig. 3 is a horizontal sectional view, and Fig. 4 is a horizontal sectional view.
Figures a to c are side views.

In the figure, 1 is a front casing, 2 is a back casing provided at the rear thereof, and these form the main body of the air conditioning ventilation fan. 3 is a slidable panel arranged on the front surface of the front casing 1, and 3a indicates a moving position. 4 is panel 3
This slide mechanism has the panel legs 23, springs 24, and drawstrings 27 shown in FIGS. 5 and 6, but their illustrations are omitted. 5
6 is a motor provided in the casings 1 and 2, and 6 is fixed to one end of the motor 5 in the front casing 1.
7 is an air supply fan that is also fixed to the other end of the motor 5 and is placed inside the back casing 2; 8 is a heat exchanger; 9 is a drain tray; 11 is an air supply port for supplying outside air into the room, 12 is an air supply/exhaust pipe that opens to the outside, and 13 is a partition plate.

As shown in FIGS. 4a and 4b, the panel 3 has one side at the top inclined toward the front casing 1, which is the main body, and the slide mechanism 4 is provided near the bottom, which is the opposite side.

Next, the operation will be explained. The basic operation is the same as the conventional one, and when the motor 5 starts, the panel 3 moves to the position 3a. The exhaust fan 6 and the air supply fan 7 are rotated by the motor 5, and indoor and outdoor air is ventilated. The exhausted room air is sucked into the machine by the exhaust fan 6 from the gap between the front casing 1 and the panel 3 through the exhaust port 10, and is guided outside through the heat exchanger 8. Also, air supplied from outside is guided by an air supply fan 7 through a heat exchanger 8 and from an air supply port 11 to the outside through the gap between the front casing 1 and the panel 3.

When the air conditioning ventilation fan is not used, when the motor 5 is stopped, the panel 3 slides toward the front casing 1, blocking the flow of air inside and outside the room. At this time, the upper part of the panel 3 is inclined toward the front casing 1 side, so the panel 3 is
From this state, the upper part contacts the front casing 1 as shown in b, and the slide mechanism 4 then touches the panel 3.
By pulling, the panel 3 is elastically deformed as shown in c and comes into close contact with the front casing 1, making it possible to seal the portion away from the slide mechanism 4 (lock portion).

In the above embodiment, the upper part of the panel 3 is inclined, but depending on the position and shape of the slide mechanism 4, the lower or left and right sides may be inclined in the same way. Further, the sealing effect may be enhanced by applying a cushion material to the contact portion between the front casing 1 and the panel 3. Furthermore, in the above embodiment, the opening and closing of the panel 3 and the rotation of the motor 5 are linked, but a structure in which the panel 3 is operated independently may be used.

[Effect of idea]

As described above, according to this invention, by tilting one side of the panel that slides back and forth toward the sealing side, it is possible to perform sealing by absorbing warpage, deformation, etc. of the panel itself with elasticity, and to perform sealing for indoor and outdoor use. This has the effect of being able to block air at low cost and reliably.

[Brief explanation of drawings]

Fig. 1 is a vertical sectional view showing an embodiment of this invention, Fig. 2 is a front view, Fig. 3 is a horizontal sectional view, and Fig. 4 is a horizontal sectional view.
Figures a to c are side views showing the moving state of the panel, Figure 5 is a perspective view showing a conventional example, and Figure 6 is a vertical sectional view thereof. In each figure, the same reference numerals indicate the same or equivalent parts, 1 is the front casing, 2 is the back casing, 3 is the panel, 4 is the slide mechanism, 5 is the motor, 6 is the exhaust fan, 7 is the air supply fan, 8 is a heat exchanger, 10 is an exhaust port, and 11 is an air supply port.

Claims (1)

[Scope of Claim for Utility Model Registration] (1) In an air conditioning ventilation fan that has a panel that slides back and forth to form an air supply and exhaust passage on the front side of the main body that houses a motor and an air supply/exhaust fan, one side of the panel is placed on the side of the main body. An air conditioning ventilation fan characterized by having a panel sliding mechanism near the opposite side. (2) The air-conditioning ventilation fan according to claim 1, which is characterized in that a cushion material is provided at the contact portion between the panel and the main body.