JPH11281139A - Shutter opening and closing unit for ventilator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a shutter unit having a simple structure by reducing number of components and good hermetical sealability. SOLUTION: The shutter opening and closing unit for a ventilator comprises a frame 10 mounted at a ventilating pipe 2 provided to penetrate a wall 1 and having a decorative panel 11 at a front surface and an opening 4 for forming a vent passage, and one shutter 9 for shutting OFF the vent passage. The shutter 9 has a protrusion 8 protruding from the passage and opens the passage according to a principle of a lever with an end of the passage used as a fulcrum by pressing the protrusion 8. In this case, the passage can be shut off only by one plate-like shutter 9. Its structure is simplified by reducing number of components without gap of the components, thereby improving a hermetical sealability.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a shutter opening / closing device for a ventilation device which is mounted on a ventilation pipe provided to penetrate a wall and ventilates room air.

[0002]

2. Description of the Related Art An example of a conventional shutter opening / closing device for a ventilation device will be described with reference to FIG.

[0003] As shown in the figure, a frame 1 attached to a ventilation pipe 102 provided so as to penetrate a wall 101, and having a decorative panel 103 on a front surface and forming a ventilation path 104.
05, a plurality of shutters 106 for blocking the ventilation passage 104, and a connecting rod 107 connecting the shutters 106 to operate in conjunction with each other.

[0004]

In such a conventional shutter opening / closing device for a ventilation device, a plurality of shutters 10 are provided.
6 is connected by the connecting rod 107, the number of parts is large, the structure is complicated and the cost is high, the operation is liable to occur easily, the gap between the parts is increased, and the airtightness is impaired. There was a problem that such a problem occurred.

An object of the present invention is to solve the above-mentioned problems, and an object of the present invention is to provide a shutter opening / closing device for a ventilation device having a simple structure and good airtightness by reducing the number of parts.

[0006]

According to the shutter device of the present invention, a ventilation pipe is provided so as to penetrate the wall, and a tubular portion inserted into the ventilation pipe and an opening for forming a ventilation path in the front surface. A frame having a portion, a receiving portion provided on a lower edge of an opening provided in the frame, and a hook engaged with the receiving portion, wherein the opening is closed by the hook. A shutter provided with a protruding portion below, a decorative panel provided on the frame at an interval forming a ventilation path in front of the shutter, and a spring provided between the shutter and the frame, the shutter comprising: In this configuration, a hook that engages with the receiving portion by operating a protrusion provided on the shutter is provided so as to be freely opened and closed at a fulcrum.

According to the present invention, it is possible to provide a shutter device having a simple structure and good airtightness by reducing the number of components.

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION
A ventilation pipe provided so as to penetrate the wall, a frame having a tubular portion fitted into the ventilation pipe and an opening forming an air passage in the front surface, and a lower edge of the opening provided in the frame A shutter provided with a receiving portion provided on the front side, a hook portion engaged with the receiving portion, and a projection provided below the hook portion in a shape to close the opening, and a ventilation passage in front of the shutter. A decorative panel provided on the frame at an interval to form a frame, and a spring provided between the shutter and the frame, wherein the shutter is engaged with the receiving portion by operating a protrusion provided on the shutter. This is a structure of a shutter opening / closing device of a ventilator that can be freely opened and closed with a part as a fulcrum. The ventilation path can be shut off with one plate-shaped shutter, the number of parts is reduced, the structure is simplified, and the parts are simplified. How Also it has the effect of improving gas tightness because there is no gap.

Hereinafter, an embodiment of the present invention will be described with reference to FIG.
This will be described with reference to FIGS. (Embodiment 1) As shown in FIG. 1, a frame having a cylindrical portion 3 inserted into a ventilation pipe 2 provided so as to penetrate a wall 1 and an opening 4 forming a ventilation path on the front surface. 5, a shutter 9 having a hook portion 7 engaged with a receiving portion 6 provided on the lower edge of the frame 5, and having a projection 8 provided below the hook portion 7 in a shape for closing the opening 4. A decorative panel 11 is provided on the frame 5 at an interval to form a ventilation path 10 in front of the shutter 9, a spring 12 is stretched between the shutter 9 and the frame 5, and the shutter 9 is provided on the shutter 9. Part 8
In this configuration, a hook portion 7 that engages with the receiving portion 6 is provided at the fulcrum so as to be openable and closable, and a holding means (not shown) that engages and holds the projecting portion 8 when the shutter 9 is opened.

In the above configuration, when the shutter 9 is opened, when the projection 8 provided below the shutter 9 is pressed toward the frame 5, the shutter 9 engages with the receiving portion 6 provided on the frame 5. The part 7 is tilted forward to open, and the ventilation path 10 and the opening 4 communicate to form a ventilation path.

When the shutter 9 is closed, the protrusion 9 is pulled toward the front so that the shutter 9 can move in the direction of closing the opening 4 with the hook 7 engaged with the receiving portion 6 as a fulcrum. The spring 9 keeps the shutter 9 closed.

As described above, according to the shutter opening / closing device of the ventilation device according to the first embodiment of the present invention, the plate-shaped shutter 9 is provided.
One piece can cut off the ventilation path, reducing the number of parts,
The structure is simplified and the airtightness is improved because there are no gaps between parts.

(Embodiment 2) As shown in FIGS. 2 to 4, an operation plate 13 is provided in front of a projection 8A provided on a shutter 9 and is provided on a frame 5A so as to be able to move laterally. Part 14 is provided, and the protrusion 8A
Press the rib 15 to open the shutter 9 by pressing
It is assumed to be a configuration provided in.

In the above configuration, when the shutter 9 is opened, the rib 15 provided on the operation plate 13 presses the protruding portion 8A by laterally moving the operation portion 14, and the shutter 9 is tilted and opened. 9 is held in an open state to form a ventilation path.

When the shutter 9 is closed, the operating portion 14 is traversed in the opposite direction so that the rib 15 provided on the operating plate 13 is separated from the projecting portion 8A, and the shutter 9 is closed.
Is held by the spring 12 in the closed state.

As described above, according to the shutter opening / closing device of the ventilating apparatus according to the second embodiment of the present invention, the shutter 9 can be opened / closed by operating the operating section 14, and the operability can be improved.

(Embodiment 3) As shown in FIG. 5, the operation unit 14A is sandwiched between a frame 5B and a front decorative panel 11A.

In the above configuration, the operation section 14A is sandwiched from both sides, so that a more stable movement can be obtained in performing the sliding operation.

As described above, according to the shutter opening / closing device of the ventilation device according to the third embodiment of the present invention, the opening / closing operation of the shutter 9 can be performed more smoothly.

(Embodiment 4) As shown in FIG. 6, an engagement hole 16 provided at an end of a shutter 9A is engaged with an engagement projection 17 provided on a front surface of a frame 5C. The combined engaging hole 16 is used as a rotation fulcrum of the shutter 9A.

In the above configuration, a complicated mechanism such as a hinge is not required at a portion serving as a fulcrum of the opening / closing operation of the shutter 9A.

As described above, according to the shutter opening / closing device of the ventilation device according to the fourth embodiment of the present invention, a shutter opening / closing device having a simpler structure can be obtained.

(Embodiment 5) As shown in FIG. 7, the front decorative panel 11B is configured to be detachable from the frame 5D.

In the above configuration, the front decorative panel 11B
Makes it possible to easily disassemble and assemble.

As described above, according to the shutter opening / closing device of the ventilation device according to the fifth embodiment of the present invention, maintenance, cleaning, and the like can be easily performed.

(Embodiment 6) As shown in FIG. 8 to FIG.
An operating portion 14B is provided with an engaging portion 19 that comes into contact with the shutter 8 when the shutter 9B is opened and opens when the shutter 9B is closed.

In the above configuration, when the shutter 9B is closed, the engaging portion 19 of the operating portion 14B comes into contact with the projecting portion 18 provided on the shutter 9B, and the opening operation of the shutter 9B is mechanically restricted.

As described above, according to the shutter opening / closing device of the ventilation device according to the sixth embodiment of the present invention, it becomes difficult to open the shutter 9B in the case of a headwind.

(Embodiment 7) As shown in FIGS. 11 to 13, the shutter 9C is provided with a projecting portion 18A, which comes into contact with the projecting portion 18A when the shutter 9C is opened.
An engaging portion 19A that opens and closes when closed is provided on the operation portion 14C, and a tapered surface 20 is formed on the engaging portion 19A.

In the above configuration, by forming the tapered surface 20 on the engaging portion 19A of the operating portion 14C, the sliding operation of the operating portion 14C when closing the shutter 9C causes the tapered surface 20 of the engaging portion 19A to slide. Shutter 9
By pressing the projection 18A of C, the shutter 9C is closed. If the operation unit 14C is stopped at an arbitrary position in the sliding operation, the shutter 9C stops at an arbitrary opening angle.

As described above, according to the shutter opening / closing device of the ventilating device according to the seventh embodiment of the present invention, a component such as a spring for closing the shutter 9C is not required, and a shutter opening / closing device having a simpler structure can be obtained. By adjusting the opening angle of the shutter 9C, the ventilation air volume can be adjusted.

(Embodiment 8) As shown in FIGS. 14 to 16, the shutter 9D engages with the opening 4A formed on the front surface of the frame 5E above the shutter 9D when the shutter 9D moves upward when closed. Holding part 2
1 and a projection 18B provided on the shutter 9D abuts when the shutter 9D is closed, and an engaging portion 19B is provided on the operation portion 14D so that the shutter 9D can move upward.

In the above configuration, when the operation portion 14D is moved laterally, the protrusion 1B is provided by the engagement portion 19B provided on the operation portion 14D.
8B is released and the shutter 9D is released.
Is released from the opening 4A of the frame 5E, and the shutter 9D is opened.

Then, when the operation portion 14D is traversed in the reverse direction, the engagement portion 19B provided on the operation portion 14D comes into contact with the projection 18B provided on the shutter 9D, and the shutter 9D is closed and upward. The holding portion 21 provided above the shutter 9D is pushed up and engaged with the opening 4A of the frame 5E to be held.

As described above, according to the shutter opening / closing device for the ventilating apparatus according to the eighth embodiment of the present invention, it is possible to prevent the shutter 9D from being opened at the time of a headwind.

[0036]

As is clear from the above embodiment,
According to the present invention, a ventilation pipe provided so as to penetrate a wall, a frame having a tubular portion fitted into the ventilation pipe and an opening for forming a ventilation path on the front surface, and a frame provided on the frame A shutter provided with a receiving portion provided at a lower edge of the opening, and a hook engaged with the receiving portion, and a shutter provided with a projecting portion below the hook in a shape for closing the opening; A decorative panel provided on the frame at an interval to form a ventilation path in front of the frame, and a spring provided between the frame and a shutter, wherein the shutter is operated by a projection provided on the shutter to receive the receiving portion. The hanging part that engages with the opening can be opened and closed freely at the fulcrum, so that the ventilation path can be opened and closed with one plate-shaped shutter, the number of parts is reduced, the structure is simple, there is no gap between the parts and the airtightness Improve It is possible to provide a shutter opening and closing mechanism of the air unit.

An operating plate is provided in front of the projecting portion provided on the shutter. The operating portion is provided so as to be capable of laterally moving the frame. Since the opening and closing ribs are provided, the shutter can be opened and closed by laterally moving the operation unit, thereby improving operability.

Further, since the operating member having a rib shaped to hold down by sliding the projecting portion of the plate-shaped shutter is slidably fitted to the frame, the shutter is opened and closed by operating the operating member. Operability can be improved.

Further, since the operation member is sandwiched between the frame and the decorative panel on the front, the opening and closing operation of the shutter can be performed more smoothly.

Further, the engaging portion provided at the end of the shutter is engaged with the engaging projection provided on the front surface of the frame, and the engaging portion is used to support the rotation of the shutter. Obtainable.

Further, since the front decorative panel is detachable, maintenance, cleaning and the like can be easily performed.

Since the shutter is provided with a projecting portion, and the operating portion is provided with an engaging portion which comes into contact with the projecting portion when the shutter is opened and opens and separates when the shutter is closed, it is difficult for the shutter to open in the case of a reverse wind.

Also, a protrusion is provided on the shutter, and an engagement portion which comes into contact with the protrusion when the shutter is opened and is separated when the shutter is closed is provided on the operating member, and the engagement portion is tapered, so that the shutter is closed. This eliminates the necessity of parts such as springs, so that a shutter device having a simpler structure can be obtained, and the ventilation air volume can be adjusted by adjusting the opening angle of the shutter.

Also, the engaging member which comes into contact with the projecting portion of the shutter when the shutter is closed, pushes up the shutter, and engages the hook provided on the upper portion of the shutter with the upper portion of the air passage, and which is released when the shutter is opened, is provided on the operating member. The shutter does not open during headwinds.

[Brief description of the drawings]

FIG. 1 (a) is a cross-sectional view showing the shutter opening / closing device of the ventilation device according to the first embodiment of the present invention when the shutter is closed.

FIG. 2A is a cross-sectional view of the ventilation device according to Embodiment 2 of the present invention when the shutter is opened and closed, and FIG. 2B is a cross-sectional view of the ventilation device when the shutter is opened and closed.

FIG. 3A is a front view showing a state of the operation unit when the shutter is closed. FIG. 3B is a front view showing a state of the operation unit when the shutter is opened.

FIG. 4A is a top view showing a state of the operation unit when the shutter is closed. FIG. 4B is a top view showing a state of the operation unit when the shutter is opened.

FIG. 5A is a cross-sectional view of the ventilation device according to Embodiment 3 of the present invention when the shutter is closed, and FIG. 5B is a cross-sectional view of the ventilation device when the shutter is opened.

6A is a cross-sectional view of a shutter opening and closing device of a ventilation device according to a fourth embodiment of the present invention when the shutter is closed. FIG.

FIG. 7A is a cross-sectional view of the ventilator according to Embodiment 5 of the present invention when the shutter is closed, and FIG. 7B is a cross-sectional view of the ventilator when the shutter is opened.

FIG. 8A is a cross-sectional view of a shutter opening / closing device of a ventilation device according to a sixth embodiment of the present invention when the shutter is closed;

9A is a front view showing a state of the operation unit when the shutter is closed, and FIG. 9B is a front view showing a state of the operation unit when the shutter is opened.

10A is a top view showing a state of the operation unit when the shutter is closed, and FIG. 10B is a top view showing a state of the operation unit when the shutter is opened.

FIG. 11A is a cross-sectional view of a shutter opening / closing device of a ventilation device according to a seventh embodiment of the present invention when the shutter is closed; FIG. ) Sectional view of the ventilator when the shutter opening and closing device is fully opened.

12A is a front view showing a state of the operation unit when the shutter is closed, FIG. 12B is a front view showing a state of the operation unit when the shutter opening is adjusted, and FIG. 12C is a state of the operation unit when the shutter is fully opened. The front view showing

13A is a top view showing a state of the operation unit when the shutter is closed, FIG. 13B is a top view showing a state of the operation unit when the shutter opening is adjusted, and FIG. 13C is a state of the operation unit when the shutter is fully opened. Top view showing

14A is a cross-sectional view of the ventilator according to the eighth embodiment of the present invention when the shutter is closed, and FIG. 14B is a cross-sectional view of the ventilator when the shutter opening is adjusted. Sectional view of the shutter opening and closing device of the ventilation device when the shutter is fully opened

15A is a front view showing a state of the operation unit when the shutter is closed, FIG. 15B is a front view showing a state of the operation unit when the shutter opening is adjusted, and FIG. 15C is a state of the operation unit when the shutter is fully opened. The front view showing

16A is a top view showing a state of the operation unit when the shutter is closed, FIG. 16B is a top view showing a state of the operation unit when the shutter opening is adjusted, and FIG. 16C is a state of the operation unit when the shutter is fully opened. Top view showing

17A is a cross-sectional view of the conventional ventilation device when the shutter is opened and closed, and FIG. 17B is a cross-sectional view of the same ventilation device when the shutter is opened and closed.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Wall 2 Ventilation pipe 3 Cylindrical part 4 Opening 4A Opening 5 Frame 5A frame 5B Frame 5C frame 5D frame 5E Frame 6 Receiving part 7 Hanging part 8 Projecting part 8A Projecting part 9 Shutter 9A Shutter 9B Shutter 9C Shutter 9D Shutter 10 Ventilation path 11 Makeup panel 11A Makeup panel 11B Makeup panel 12 Spring 13 Operation plate 14 Operation part 14A Operation part 14B Operation part 14C Operation part 14D Operation part 15 Rib 16 Engagement hole 17 Engagement projection 18 Projection 18A Projection 18B Projection 19 engagement part 19A engagement part 19B engagement part 20 tapered surface

Claims (8)

[Claims] 1. A ventilation pipe provided to penetrate a wall, a frame having a tubular portion fitted into the ventilation pipe and an opening for forming a ventilation path on a front surface, and a frame provided on the frame. A shutter provided with a receiving portion provided at a lower edge of the opening, and a hook engaged with the receiving portion, and a shutter provided with a projecting portion below the hook in a shape for closing the opening; A decorative panel provided on the frame at an interval to form a ventilation path in front of the frame, and a spring provided between the shutter and the frame, wherein the shutter is operated by a projection provided on the shutter to receive the receiving portion. A shutter opening / closing device for a ventilator, which is provided with a hook that engages with the fulcrum and can be opened and closed freely. 2. An operation unit provided in front of a protrusion provided on a shutter, an operation unit provided on a frame so as to be able to move laterally, and the shutter being pressed against the operation plate when the operation plate is moved laterally. The shutter opening / closing device for a ventilation device according to claim 1, further comprising a rib for opening the shutter. 3. The shutter opening / closing device for a ventilation device according to claim 1, wherein the operation unit is sandwiched between the frame and the decorative panel so as to be able to move laterally. 4. An engagement hole provided at a lower end of the shutter,
2. A shutter according to claim 1, further comprising an engaging projection provided on a front surface of the frame for engaging with the engaging hole, and wherein the shutter is openably and closably provided about the engaging hole engaged with the engaging projection. Switchgear. 5. A shutter opening / closing device for a ventilation device having a decorative panel detachably provided on a frame. 6. A shutter according to claim 1, further comprising a projection provided on the shutter, and an operating portion provided with an engagement portion which comes into contact with the projection when the shutter is opened and is separated when the shutter is closed. apparatus. 7. The shutter opening / closing device for a ventilation device according to claim 1, wherein a taper surface for adjusting the opening / closing degree of the shutter is formed in the engagement provided on the operation portion. 8. A holding portion provided on an upper portion of the shutter at an opening formed on a front surface of the frame so as to be engaged and held when the shutter moves upward, and a projection provided on the shutter when the shutter is closed. The shutter opening / closing device for a ventilator according to claim 1, further comprising an engaging portion provided on the operation portion so that the shutter comes into contact with the operating portion.