JPH0616063Y2 - Window frame ventilator - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to a ventilation device which is integrated with a horizontal frame of a window.

[Prior Art] Conventionally, a horizontal frame such as an upper frame, a lower frame or a blind frame of a window is formed in a hollow cross-sectional shape, and ventilation holes are provided in the indoor side wall part and the outdoor side wall part of this horizontal frame, and It is known, for example, from Japanese Utility Model Publication No. 55-110692, that a sirocco fan, which can be rotated by a motor, is attached to a hollow portion to actively ventilate a room.

[Problems to be solved by the invention]

However, in the conventional one, there is no one that shuts off the room from the outside by simply attaching the hollow part of the horizontal frame having the vents to the indoor side wall part and the outdoor side wall part and simply attaching the sirocco fan. There is a drawback in that cold and warm air is unavoidably leaked by natural ventilation, and the cooling and heating effects are halved.

In addition, in many cases, it is necessary to separately provide an intake part and an exhaust part of the ventilation device including a fan, so that the manufacturing cost and the equipment cost are considerably increased.

This invention has been proposed in order to solve the above-mentioned conventional problems, and can mechanically ventilate and completely shut off the leakage of cold air and warm air, and further, provide one ventilation port. Intake and exhaust can be performed separately for both intake and exhaust. An object of the present invention is to provide a window frame ventilation device which is integrated with a horizontal frame of a window.

[Means for solving problems]

The present invention relates to a ventilation device integrated with a horizontal frame of a window, in which the horizontal frame of the window is formed in a hollow cross-section, and a drum is mounted in the horizontal frame so that a certain amount of rotation can be adjusted. Ventilation holes are provided in the upper and lower inner side wall portions and the outer outer side wall portions of the horizontal frame while being vertically separated from each other by a predetermined distance, and a sirocco fan that rotates around the longitudinal axis of the horizontal frame in the drum, and the drum. In order to achieve the above-mentioned object, a ventilation device is constructed by providing partitions on the indoor side wall part and the outdoor side wall part that project from the middle of the upper and lower ventilation holes toward the center of the drum and are close to the blades of the sirocco fan. is there.

〔Example〕

Next, the invention will be described with reference to an illustrated embodiment. The horizontal frame 2 of the window frame 1 is formed in a hollow shape having a substantially rectangular cross section. Further, the horizontal frame 2 is composed of an indoor-side mold member 3 and an outdoor-side mold member 4, and the indoor-side mold member 3 and the outdoor-side mold member 4 have upper and lower ends thereof, respectively.
It is integrated by being screwed by a plurality of connecting screws 5 and 5.

A bulging portion 6, which bulges outwardly of the horizontal frame 2 in a substantially arcuate shape, at the substantially central portion of the indoor side wall portion and the outdoor side wall portion of the horizontal frame 2, that is, the side wall portions of the indoor side molding material 3 and the outdoor side molding material 4. 6 is formed. The bulging portions 6 and 6 are formed continuously in the longitudinal direction of the indoor-side mold member 3 and the outdoor-side mold member 4 or at predetermined positions in the longitudinal direction over a certain range.

A plurality of vent holes 7, 7 are formed in the bulging portions 6, 6 vertically adjacent to each other with a substantially central portion of the bulging portion 6 as a boundary.

In addition, the upper and lower ends of the horizontal frame 2, that is, the indoor-side mold member 3
Rail rails 8 and glass fitting grooves 9 are provided at the upper and lower ends of the
Each of the rails is formed, a rail door 8 is built in the rail 8 and a glass 11 is fitted in the glass fitting groove 9.

Further, a drainage hole 26 is formed at the lower end of the horizontal frame 2, that is, the lower end of the outdoor mold member 4, so that rainwater that has entered the horizontal frame 2 can be quickly drained.

A drum 12 having a substantially circular cross section is attached between the bulging portions 6 and 6 in the horizontal frame 2 formed in this way. Drum 1
2 is held by the bulging portions 6 and 6, and
The horizontal frame 2 is designed so that it can be rotated and adjusted by a certain amount about the axis thereof.

Further, the drum 12 has an outdoor-side mold member 13 having a substantially semicircular cross section.
And the indoor side mold member 14, and the outdoor side mold member 13
The indoor side mold member 14 is connected by fitting an engaging piece 16 projecting at the lower end part of the indoor side mold member 14 into an engaging groove portion 15 protruding at the lower end part of the outdoor side mold member 13, and an upper end. The parts are integrated by screwing a connecting piece 17 projecting on the upper ends of the outdoor side mold member 13 and the indoor side mold member 14 with a connecting screw 5.

Since the engagement groove 15 and the connecting piece 17 project outward of the drum 12, rainwater that has entered through the ventilation holes 7, 7 of the outdoor mold member 4 is prevented from flowing further into the room. It also has the role of a water flip.

Further, the drum 1 is attached to the outdoor side wall portion and the indoor side wall portion of the drum 12, that is, the outdoor side mold member 13 and the indoor side mold member 14.
A plurality of vent holes 18, 18 are formed vertically above and below each other with a certain distance therebetween via the central portion of the second hole.

Further, the air flow in the drum 12 is divided into an upper half and a lower half in the middle part between the upper and lower ventilation holes 18, 18 of the outdoor side mold member 13 and the middle part between the upper and lower ventilation holes 18, 18 of the indoor side mold member 14. Reversed partitions 19, 19 project toward the center of the drum 12, and their tips are formed to be close to the blades of the sirocco fan 20.

Further, the lower end portion of the drum 12, that is, the outdoor-side mold member 13
A drain hole 26 is formed at the lower end of the drum so that rainwater that has entered the drum 12 can be quickly drained.

A sirocco fan 20 is mounted in the drum 12. The sirocco fan 20 is a drum 1 driven by a motor.
It is configured to rotate about the axis of 2.

Further, the decorative cover 21 is attached to the outdoor side portion of the lateral frame 2, that is, the outdoor side portion of the outdoor side mold member 4. The decorative cover 21 is attached by screwing the upper and lower end portions to the upper and lower end portions of the outdoor mold member 4 with attaching screws 22 and 22, respectively.

Vent holes 23, 23 are formed in the decorative cover 21 so as to face the outdoor vent holes 7, 7 of the lateral frame 2, and the vent holes 23, 2 are formed.
An anti-meshing net 24 is attached to 3. Further, on the outdoor side of the decorative cover 21, a water piece 25 having a pleated shape,
25 is formed continuously in the longitudinal direction of the decorative cover 21 so that rainwater will not be blown into it.

Further, the ventilation holes 23, 23 may be vertically divided on the outdoor side of the decorative cover 21, and the external cut piece 27 may be screwed in order to prevent fresh intake air from mixing with exhaust air.

In such a configuration, when the drum 12 is rotated by a certain amount in the direction of the arrow and the vent holes 18, 18 of the drum 12 and the vent holes 7, 7 of the lateral frame 2 are aligned with each other, these vent holes 18, 7 and the cosmetic cover are covered. The inside and the outside of the room communicate with each other through the ventilation holes 23, 23 of 21. Therefore, when the sirocco fan 20 is rotated, ventilation is mechanically performed. In such a case, drum 1
The air in the drum 2 is moved to the drum 1 by the function of the partitions 19, 19.
In the upper half of the drum 12 without rotating convection, the air flows from the room to the outside, that is, exhaust ventilation is performed, and in the lower half of the drum 12 from the outside to the room, Intake ventilation is performed.

On the other hand, when the drum 12 is rotated by a certain amount in the direction opposite to the arrow direction so that the vent hole 18 of the drum 12 and the vent hole 18 of the lateral frame 2 are displaced and the vent hole is closed, ventilation is interrupted. Therefore,
If air vents are blocked during cooling or heating, leakage of cold air or warm air can be prevented.

Although the illustrated ventilation device is provided blindly, it may be provided in the upper frame and the lower frame. That is, it may be provided in any of the window, the shoji, and the horizontal frame of the door.

Reference numeral 22 is a knob for operating the drum.

[Effect of device]

The present invention has the following effects because it has the following configuration.

The sirocco fan works to actively ventilate the room, and by rotating the drum a certain amount, the ventilation holes can be opened and closed.Therefore, keep the ventilation holes closed during cooling and heating. If this is done, leakage of cold air or warm air can be prevented, and a reduction in the cooling / heating effect can be prevented.

For example, in the upper half of the drum, air is blown from the room to the outside by means of a pair of partitions provided on the indoor side wall and the outdoor side wall of the drum. In the lower half, the air flows from the outside to the inside of the room in the direction of the air, that is, the intake ventilation is performed (there may be the reverse), so both the intake and exhaust functions can be performed with one ventilation port. At the same time, it can be done actively.

[Brief description of drawings]

1 and 2 show an embodiment of the present invention. FIG. 2 is a front view of a window, and FIG. 1 is a line I- in FIG.
It is an I line sectional view. 1 ... Window frame, 2 ... Horizontal frame, 3, 14 ... Indoor side mold material,
4, 13 ... Outdoor-side mold member, 5 ... Connecting screw, 6 ... Bulging portion, 7 ... Vent hole, 8 ... Rail for rail, 9 ... Glass fitting groove, 10 ... Rail door, 11 ...... Glass, 12 ...... Drum, 15 ...... Engagement groove part, 16 ...... Engagement piece, 17 ...... Coupling piece, 18 ...... Ventilation hole, 19 ...... Partition, 20 ...... Sirocco fan, 21 ...... Decorative cover, 22 ... Mounting screw,
23 ... Ventilation hole, 24 ... Preventing net, 25 ... Draining piece, 26 ... Draining hole.

Claims (1)

[Scope of utility model registration request] 1. A horizontal frame 2 of a window is formed to have a hollow cross-section, and a drum 12 is mounted in the horizontal frame 2 so that a certain amount of rotation of the drum 12 can be adjusted, and an inner side wall of each of the drum 12 and the horizontal frame 2 is formed. And ventilation holes 18, 18, 7, 7 are provided in the upper and lower parts of the outer wall portion while being vertically separated from each other by a predetermined distance, and in the drum 12, a sirocco fan 20 that rotates around the longitudinal axis of the horizontal frame 2 is provided, From the middle of the upper and lower ventilation holes 18 of the drum 12, the drum 1
2. A window frame ventilation device, characterized in that partitions 19 that project toward the center of 2 and that are close to the blades of the sirocco fan 20 are provided on the outdoor side wall and the indoor side wall.