JP2003014285A - Ventilation louver - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a ventilation louver which can be reduced in size. SOLUTION: In order to open/close the indoor side opening 5 of a tubular section 4 provided with a flange section 3 at one end thereof, the flange section 3 is provided with two sets of shutters 6 slidable separately to the left and right, and a louver 7 covering the flange section 3. Since each set of shutter 6 is formed of a main shutter plate 8 and a sub-shutter plate 9 being linked with the main shutter plate 8 to overlap freely, width of one shutter plate can be reduced and thereby the size of the ventilation louver can be reduced.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air supply / exhaust grille having a shutter which is mounted on a ceiling surface or a wall surface of an end of a ventilation pipe forming an air supply passage for air supply or exhaust.

[0002]

2. Description of the Related Art In recent years, in order to improve the environment, it has been actively practiced to supply fresh outside air into a room or to exhaust polluted air inside a room. There is an increasing demand for reducing the size of the air supply / exhaust grill that forms the air supply port or the exhaust port provided and improving the interior quality.

Conventionally, as this type of air supply / exhaust grill, a terminal of the same type shown in FIGS. 18 and 19 has been known. The configuration will be described below with reference to FIGS. 18 and 1.
This will be described with reference to FIG.

As shown in the drawing, a flange member having an outwardly bulging flange portion 102 provided at one end of a connecting tubular portion 101 which is open at both ends and is connected to the end portion of a ventilation passage for air supply and exhaust. 103 and an opening 104 of the connecting tubular portion 101 facing the front of the flange member 103, a guide rail 105 that crosses the opening 104 is provided, and the guide rail 105 includes:
On the front surface of the flange portion 102, two sliding door-type slide adjusting members 106 that slide on the same plane and can be opened and closed between the fully open and fully closed positions of the opening 104 of the connecting tubular portion 101 are provided behind it. The guide rail 105 is elastically slidably held by the dynamic mounting member 107 and mounted.

[0005]

In the structure of such a conventional terminal device, since the two slide adjusting members 106 are used to close the opening 104, the width of the slide adjusting member 106 is equal to the width of the opening. It is necessary to increase the width of the slide adjusting member 106 so as to correspond to the radius of 104,
As a result, when the opening 104 is opened, the slide member 106 largely protrudes to the left and right sides of the opening 104, and as a result, the flange member 103 provided with the flange 102 becomes large and the terminal device exposed to the indoor side. However, there was a problem that the interior became large and the interior quality was poor.

Further, since the guide rail 105 that crosses the opening 104 is provided in the opening 104, there is a problem that ventilation is obstructed by the guide rail 105.

An object of the present invention is to solve the above problems and to provide a supply / exhaust grill which can be miniaturized and enhance the interior.

[0008]

In the air supply / exhaust grill of the present invention, a cylinder having a shape to be attached to a ventilation pipe forming a ventilation passage for air supply or exhaust and provided with a flange portion projecting outward at one end. Section, two sets of shutters that are slidably provided on the flange portion so as to be separated from each other so as to open and close the indoor side opening of the tubular portion, and a louver provided so as to cover the flange portion, The shutter of each set is formed by a main shutter plate and a sub-shutter plate that is rotatably connected to the main shutter plate, and the sub-shutter plate is moved by opening and closing the main shutter plate to move the tubular portion. The indoor side opening is opened and closed.

According to the present invention, it is possible to provide an air supply / exhaust grill which can be downsized and which can improve the interior quality.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention according to claim 1 of the present invention has a shape in which it is attached to a ventilation pipe forming an air supply passage for air supply or exhaust, and a flange portion projecting outward is provided at one end. A tubular portion and a flange portion which are slidably provided on the left and right sides so as to open and close an indoor side opening of the tubular portion.
A pair of shutters and a louver provided so as to cover the flange portion; each pair of shutters is formed by a main shutter plate and a sub-shutter plate that is rotatably connected to the main shutter plate. By moving the plate to open and close, the sub-shutter plate is moved to open and close the indoor side opening of the tubular portion, and when the main shutter plate is opened, the main shutter plate is moved in the opening direction. , The slave shutter plate is interlocked and opened, and the main shutter plate and the slave shutter plate are moved to the outside of the inner side opening of the tubular portion in the overlapping state and opened.
When the main shutter plate is closed, the sub-shutter plate is also moved in the closing direction by moving the main shutter plate in the closing direction, and the indoor side opening of the tubular portion is closed by the two sets of the main shutter plate and the sub-shutter plate. Therefore, the width of each set of the main shutter plate and the sub shutter plate can be formed to be smaller than that in the case of opening and closing with two shutters. This has the effect that the air supply / exhaust grill can be formed in a small size and the interior quality can be improved.

Hereinafter, embodiments of the present invention will be described with reference to FIGS.
This will be described with reference to FIG.

(First Embodiment) As shown in FIGS. 1 to 5, an end portion of a ventilation pipe 1 forming a ventilation passage for air supply or exhaust is passed through a member 2 forming a ceiling or a wall portion. Provided,
A tubular portion 4 having a shape to be attached to the ventilation pipe 1 and provided with a flange portion 3 projecting outward at one end, and an indoor side opening 5 of the tubular portion 4 are separated into left and right flange portions 3 to open and close. A pair of shutters 6 slidably provided and a louver 7 provided so as to cover the flange portion 3 are provided to form an air supply / exhaust grill.

Each pair of shutters 6 is formed by a main shutter plate 8 and a sub shutter plate 9, and the main shutter plate 8 and the sub shutter plate 9 are movably provided between the flange portion 3 and the louver 7, and the main shutter plate 8 and the left and right end portions of the sub-shutter plate 9 protruding from the surface side
0 and 11 are provided, the main shutter plate 8 and the sub-shutter plate 9
Are inverted and overlapped, and the left and right protrusions 10 provided on the main shutter plate 8 and the left and right protrusions 11 provided on the slave shutter plate 9 are engaged with each other and can be connected and moved.

In the above structure, when the shutter 6 is opened, the main shutter plate 8 is moved in the opening direction so that the left and right protrusions 10 provided on the main shutter plate 8 are provided on the sub shutter plate 9. , The sub-shutter plate 9 is connected and opened, and the main shutter plate 8 and the sub-shutter plate 9 are overlapped with each other and the interior side opening 5 of the tubular portion 4 is closed.
It is moved to the outside of and released.

When the shutter 6 is closed,
By moving the main shutter plate 8 in the closing direction,
The left and right protrusions 10 provided on the main shutter plate 8 are engaged with the left and right protrusions 11 of the slave shutter plate 9 to move the slave shutter plate 9 in the closing direction, and the indoor side opening 5 of the tubular portion 4 has two sets of main masters. It is closed by the shutter plate 8 and the sub shutter plate 9.

As described above, according to the air supply / exhaust grille of the first embodiment of the present invention, the flange portion which is attached to the ventilation pipe 1 forming the ventilation passage for air supply or exhaust and which projects outward toward one end. 3 is provided with a cylindrical portion 4, two pairs of shutters 6 which are slidably provided on the flange portion 3 so as to be slidable left and right so as to open and close the indoor side opening 5 of the cylindrical portion 4, and the flange portion 3. A louver 7 provided so as to cover each shutter 6, and each set of shutters 6 is formed by a main shutter plate 8 and a sub-shutter plate 9 that is rotatably connected to the main shutter plate 8 to open and close the main shutter plate 8. By
Since the sub shutter plate 9 is also moved to open and close the indoor side opening 5 of the tubular portion 4, the indoor side opening 5 of the tubular portion 4 has two sets of the main shutter plate 8 and the sub shutter plate 9 in total. Since it is closed by the shutter plate, the width of one shutter plate is approximately 1/2 of the radius of the indoor side opening 5 and can be formed to be small compared with the case where two shutter plates are used for closing. Therefore, it is possible to reduce the size of the entire air supply / exhaust grill exposed to the indoor side, and it is possible to enhance the interior quality of the room.

Further, left and right projections 10 and 1 projecting from the surface side at the left and right ends of the main shutter plate 8 and the sub shutter plate 9, respectively.
1, the main shutter plate 8 and the sub-shutter plate 9 are inverted and overlapped, and the left and right projections 10 provided on the main shutter plate 8 and the left-right projections 11 provided on the sub-shutter plate 9 are engaged and can be connected and moved. Since the configuration is adopted, the sub-shutter plate 9 is also connected and opened by the opening / closing operation of only the main shutter plate 8, and it is not necessary to individually move the plurality of shutter plates, and the operability is improved.

(Second Embodiment) As shown in FIGS. 6 to 10, a groove 12 for slidably supporting the upper and lower ends of a main shutter plate 8A and a sub-shutter plate 9A is provided at a flange portion outside the indoor side opening 5. It is provided along the surface of No. 3 and is configured.

In the above structure, when the shutter 6 is opened, the main shutter plate 8A is opened in the groove 12 in the opening direction.
By sliding and moving the top, the secondary shutter plate 9
A is connected to slide on the groove 12 and the main shutter plate 8A
In the superposed state, the shutter plate 9A moves to the outside of the indoor side opening 5 and is opened.

When the shutter 6 is closed,
By sliding the main shutter plate 8A over the groove 12 in the opening direction, the slave shutter plate 9A is connected and slides over the groove 12 to move, and the slave shutter plate 9A connected with the main shutter plate 8A. As a result, the indoor side opening 5 is closed.

As described above, according to the air supply / exhaust grill of the second embodiment of the present invention, the groove 12 for slidably supporting the upper and lower ends of the main shutter plate 8A and the sub shutter plate 9A is provided outside the indoor side opening 5. Since it is provided along the surface of the flange portion 3, the main shutter plate 8A and the sub-shutter plate 9A can move smoothly along the surface of the flange portion 3, and the guides in the indoor side opening 5 as in the conventional example. There is no need to install rails and ventilation is not obstructed.

(Third Embodiment) As shown in FIGS. 11 to 17, the sliding groove portion 12A of the main shutter plate 8B and the sliding groove portion 12B of the slave shutter plate 9B are provided in a staggered manner. Grooves 12A at the upper and lower ends of the shutter plate 8B
Is provided so that the thickness of the vertical projection 13 is lower than the height of the left and right projections 10A.
The upper and lower ends of the secondary shutter plate 9B are provided with upper and lower protrusions 14 that engage with the groove portions 12B.
It is formed thin so as to be lower than the height of 1A.

Then, the contact portion 15 for contacting the secondary shutter plate 9B when it is closed and preventing the secondary shutter plate 9B from moving.
Is provided in the central portion of the groove 12B.

In the above structure, when the shutter 6 is opened, the main shutter plate 8B is moved in the opening direction over the groove 12A through the vertical projection 13 so that the sub-shutter plate 9B is connected to move up and down on the groove 12B. Protrusion 14
And the main shutter plate 8B is followed by the shutter plate 9
In the state where B is superposed, it moves to the outside of the indoor side opening 5 and is opened.

When the shutter 6 is closed,
By moving the main shutter plate 8B in the closing direction, the vertical projection 13 provided on the main shutter plate 8B slides on the groove 12A, and the sub-shutter plate 9B is connected to the main shutter plate 8B. In the plate 9B, the upper and lower protrusions 14 provided on the slave shutter plate 9B slide on the groove 12B to move in the closing direction, and the indoor side opening 5 of the tubular portion 4 has two sets of the main shutter plate 8B and the slave shutter plate. Closed by 9B.

At this time, the main shutter plate 8B and the sub-shutter plate 9B are vertically projecting portions 13 and 14 so that they can slide on the groove portions 12A and the groove portions 12B which are provided in a stepped manner at different levels.
By providing the main shutter plate 8B and the sub-shutter plate 9B in the closed state, the left and right ends of the main shutter plate 8B and the sub-shutter plate 9B, which are not connected, are formed with the groove portion 12A. It is possible to prevent a large gap from being formed between the end portions on the left and right sides and warped by the stepped portion forming the groove portion 12B.

As described above, according to the air supply / exhaust grill of the third embodiment of the present invention, the sliding groove portion 1 of the main shutter plate 8B is used.
2A and the sub-shutter plate 9B are provided with sliding groove portions 12B in a stepwise manner, and the main shutter plate 8B and the sub-shutter plate 9 are provided.
Grooves 12A and 12B provided stepwise at the upper and lower ends of B
Since the upper and lower protrusions 13 and 14 that engage with each other are provided, when the main shutter plate 8B and the sub-shutter plate 9B are in the closed state in which the main shutter plate 8B and the sub-shutter plate 9B are connected, the end portion that is not connected is formed by the groove portion 12A and the groove portion 12B. It is received by the stepped part,
It is possible to suppress the formation of a large gap due to the inability to move away from the flange portion 3, and it is possible to enhance the degree of sealing when the shutter 6 is closed.

[0028]

As is apparent from the above embodiments,
According to the present invention, a tubular part having a shape attached to a ventilation pipe that forms a ventilation passage for air supply or exhaust and provided with a flange part projecting outward at one end, and an opening on the indoor side of this tubular part are opened and closed. As described above, two sets of shutters are separately provided on the flange portion so as to be slidable to the left and right, and a louver provided so as to cover the flange portion, and each set of shutters is a main shutter plate and a main shutter. It is formed by a sub-shutter plate that is superposedly connected to the plate, and by opening and closing the main shutter plate, the sub-shutter plate is also moved to open and close the indoor side opening of the tubular portion, so downsizing is achieved. It is possible to provide an air supply / exhaust grill capable of improving interior quality.

Further, the left and right ends of the main shutter plate and the sub-shutter plate are provided with left and right protrusions protruding from the surface side, and the main shutter plate and the sub-shutter plate are overlapped with each other so that the left and right protrusions are provided on the main shutter plate. Since the left and right protrusions provided on the sub-shutter plate are engaged with each other and can be connected and moved, the convenience of operation can be improved.

Further, since the grooves for slidably supporting the upper and lower ends of the main shutter plate and the sub-shutter plate are provided along the surface of the flange portion outside the opening on the indoor side, each shutter plate can be moved smoothly. Since no sliding member is provided in the indoor side opening, ventilation is not obstructed.

Further, the sliding groove portion of the main shutter plate and the sliding groove portion of the slave shutter plate are provided in a stepwise manner, and the groove portions provided in the upper and lower ends of the main shutter plate and the slave shutter plate are provided in a stepwise manner. Since the upper and lower protrusions that engage with each other are provided,
The degree of tightness when closed can be improved.

[Brief description of drawings]

FIG. 1 is a sectional view showing an attached state of an air supply / exhaust grille according to a first embodiment of the present invention.

FIG. 2 is a front view showing a state where the shutter of the air supply / exhaust grill is closed.

FIG. 3 is a perspective view showing a configuration of a shutter of the air supply / exhaust grill.

FIG. 4 is a cross-sectional view showing a state in which the shutter of the air supply / exhaust grill is opened.

FIG. 5 is a front view showing a state where the shutter of the air supply / exhaust grill is opened.

FIG. 6 is a sectional view showing a state of the air supply and exhaust grill of Embodiment 2 of the present invention when the shutter is closed.

FIG. 7 is a front view showing a state in which the shutter of the air supply / exhaust grill is closed.

FIG. 8 is a cross-sectional view showing a state where the shutter of the air supply / exhaust grill is opened.

FIG. 9 is a front view showing a state where the shutter of the supply / exhaust grill is opened.

FIG. 10 is a cross-sectional view showing a supporting state of a shutter of the air supply / exhaust grill.

FIG. 11 is a cross-sectional view showing a supported state of a shutter of an air supply / exhaust grille according to a third embodiment of the present invention.

FIG. 12 is a perspective view showing a configuration of a shutter of the air supply / exhaust grill.

FIG. 13 is a perspective view showing a configuration of a groove portion of the air supply / exhaust grill.

FIG. 14 is a cross-sectional view showing a state when the shutter of the air supply / exhaust grill is closed.

FIG. 15 is a front view showing a state where the shutter of the air supply / exhaust grill is closed.

FIG. 16 is a sectional view showing a state where the shutter of the air supply / exhaust grill is opened.

FIG. 17 is a front view showing a state in which the shutter of the air supply / exhaust grill is opened.

FIG. 18 is a cross-sectional view showing the configuration of a conventional terminal device.

FIG. 19 is a front view showing a state in which the terminal device is opened.

[Explanation of symbols]

1 air duct 3 Flange part 4 tube 5 Indoor side opening 6 shutter 7 louvers 8 Main shutter plate 8A Main shutter plate 8B Main shutter plate 9 Secondary shutter plate 9A Sub shutter plate 9B Sub shutter plate 10 Left and right protrusions 11 Left and right protrusions 12 groove 12A groove 12B groove 13 Vertical projection 14 Vertical projection

Claims (4)

[Claims] 1. A cylinder part having a shape to be attached to a ventilation pipe forming an air supply or exhaust ventilation passage and provided with a flange part projecting outward at one end, and an indoor side opening of this cylinder part is opened and closed. As described above, two sets of shutters are separately provided on the flange portion so as to be slidable to the left and right, and a louver provided so as to cover the flange portion, and each set of shutters is a main shutter plate and a main shutter. A supply / exhaust grill formed by a sub-shutter plate coupled to the plate so as to be superposed, and by opening and closing the main shutter plate, the sub-shutter plate is also moved to open and close the indoor side opening of the tubular portion. 2. The left and right protrusions provided on the main shutter plate are provided at the left and right ends of the main shutter plate and the sub-shutter plate, the left and right protrusions protruding from the surface side being overlapped with each other. 2. The air supply / exhaust grill according to claim 1, wherein the left and right protrusions provided on the secondary shutter plate are engaged with each other and can be connected and moved. 3. The air supply / exhaust grill according to claim 1, wherein a groove portion slidably supporting the upper and lower end portions of the main shutter plate and the sub shutter plate is provided along the surface of the flange portion outside the opening on the indoor side. 4. The sliding groove portion of the main shutter plate and the sliding groove portion of the slave shutter plate are provided in a stepwise manner, and the groove portion provided in a stepwise manner at the upper and lower ends of the main shutter plate and the slave shutter plate. The air supply / exhaust grill according to claim 1 or 3, wherein upper and lower protrusions are provided to engage with each other.