JP2891041B2 - Grill with shutter - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a grille with a shutter which is used, for example, as a vent in an eaves ceiling.

[0002]

2. Description of the Related Art FIG.
FIG. 1 is a cross-sectional view showing a conventional grille with a shutter shown in Japanese Patent Application Laid-Open Publication No. H10-209, in which 1 is a chamber and 2 is this chamber 1.
The duct connection port 3 attached to the side opening of the duct is a duct, and is connected to the chamber 1 at the duct connection port 2.
4 is a grill, 5 is a shutter, 6 is a flange, and 7 is a drive unit, which is incorporated in the grill 4 and forms a lower opening of the chamber 1. Reference numeral 8 denotes a power supply lead-in section, which is mounted inside the chamber 1. 9 is a ceiling suspension bolt which suspends and fixes the chamber 1 to a ceiling member 10. 11 is a ceiling material and a field edge 12
Attached to. 13 is a geared motor, 14 is a shaft, 15 is a wire, and connects the shaft 14 and the geared motor 13. Reference numeral 16 denotes a spring which is wound around the shaft 14 and acts to bias the shutter 5 in the closing direction. 1
Reference numeral 7 denotes a connection lead, which is connected to the power supply lead-in section 8. 1
Reference numeral 8 denotes a connection terminal, and 19 denotes a power cord, which is inserted from above the chamber 1 and connected to the connection terminal 18.

[0003] The conventional grille with shutter is constructed as described above. The chamber 1 is suspended from the ceiling 10 at a predetermined position on the ceiling inner member 10 and the duct 3 is piped. Next, when assembling the ridge 12, the power cord 19 is connected to the hole (not shown) at the top of the chamber 1.
It is inserted into the power cord lead-in section 8 and connected to the quick connection terminal 18. At the same time as the ceiling material 11 is stretched, a hole is made in a place corresponding to the indoor opening of the chamber 1 and the drive unit 7 is inserted from below into the hole to perform the work.

When a blower (not shown) is operated, power is supplied from a power cord 19 and the geared motor 13
Is called. As a result, the geared motor 13 winds up the wire 15, so that the shaft 14 overcomes the urging force of the spring 16 and moves downward to open the shutter 5 attached to the end of the shaft 14. Next, the shutter 5 is stopped when the shutter 5 is opened by a SW (not shown) incorporated in the geared motor 13 and held as it is. And
When the power of the blower is turned off, the call to the geared motor 13 is
When the FF is performed, the geared motor 13 rotates in the reverse direction by the urging force of the spring 16, and the shutter 5 closes.

[0005]

In the conventional grille with a shutter as described above, since the drive unit 7 and the power supply lead-in section 8 are provided in the air passage in the chamber 1, the grille is used in a humid bathroom, kitchen or the like. In addition, there is a problem that the drive unit 7 increases the pressure loss of the air path, thereby causing a reduction in air volume and an increase in noise.

[0006] Further, since the discharge flow from the chamber 1 is distributed almost uniformly at 360 °, there is another problem that the wall surface and the ceiling surface become dirty when installed near the wall surface.

The present invention has been made to solve the above problems, and can be used in a bathroom, a kitchen, or the like without a drive unit, a power supply lead-in section, etc. being located on an air path in a chamber. It is an object of the present invention to obtain a grille with a shutter that has a small pressure loss in the inside and does not reduce the air volume and increase noise.

[0008]

SUMMARY OF THE INVENTION A grill with a shutter according to the present invention has one side having a connection port connected to a ventilation duct and an inclined portion facing the one side and having the connection port side at a high level. On the other side, a chamber provided with a grill mounting opening on the lower surface side, and a grill mounted on the grill mounting opening of the chamber, wherein a shutter portion is detachably provided at the connection port, and A drive section for driving the shutter section and a power supply connection section are detachably provided on the outer wall of the inclined section of the chamber from the inner wall of the chamber, and are covered with a triangular cover forming a square together with the one side.

[0009] Further, an inner panel comprising a connecting side having a connecting portion in which two sides of the grill are opposed to each other with a flat plate bent, and an opening adjacent to the connecting side and having two opposite sides, The frame surrounding the inner panel is composed of an outer panel around which a connecting flange connected to the connecting portion is provided, and ends of the inner panel on the opening side are respectively raised to the chamber side with different dimensions. It is a thing.

[0010] A drain guide is provided in the chamber so as to protrude from the inner wall to the connecting flange of the outer panel, and a drain guide for draining the inner panel is provided.

Further, a movable louver is provided on the opening side of the inner panel.

[0012]

According to the first aspect of the present invention, the drive unit and the power supply connection unit are arranged outside the chamber and are covered with the triangular cover, so that they can be used in a humid place such as a bathroom or a kitchen. And the pressure loss and noise of the air passage in the chamber are reduced. Further, maintenance of the shutter unit, the drive unit, and the power supply connection unit can be easily performed.

According to the second aspect of the present invention, since the opposite ends of the inner panel on the opening side are raised with different dimensions, the direction of the air flow from the ventilation duct on the side with the larger standing is the outer panel. It flows downward in the wind path between the hill and the hill. Furthermore, the flow from the ventilation duct flows in the diagonal direction as it is on the side where the standing is small.

According to the third aspect of the present invention, water and oil adhering to the inner wall of the chamber by the drain guide are collected on the outer panel and the inner panel without soiling the ceiling surface as the mounting portion.

According to the fourth aspect of the present invention, the discharge air volume and the air direction can be adjusted by the louver.

[0016]

Embodiment 1 1 to 9 show a first embodiment of the present invention. In the drawings, reference numeral 20 denotes a chamber, in which a connection port 22 connected to a ventilation duct 21 is provided on one side 23, and the other side facing the one side is provided. 24 is provided with an inclined portion 26 whose height is on the side of the connection port 22 toward a top plate 25 which is connected to one side 23, and a grill mounting opening 28 communicating with an opening 27 of the connection port 22 is provided on the lower surface side. Provided. Reference numeral 29 denotes a drive unit insertion hole formed in the inclined portion 26, reference numeral 30 denotes a mounting bracket provided on the outer wall of the chamber, and reference numeral 31 denotes a shutter. At 31a, it is rotatably supported, and its tip is inclined so as to be in contact with the inner wall of the chamber 20, and both ends are bent toward the shutter frame 33 to prevent wind leakage. In addition, the shutter part 34 composed of these is mounted on the connection port 22 from the inside of the chamber 20 via the mounting part 32.

Reference numeral 35 denotes a drive unit, and reference numeral 36 denotes a drive unit mounting plate serving as a base of the drive unit. A fixed portion A3 which is a flat plate and one of which is bent so as to be joined to the drive unit insertion port 29 from the outside.
7 and the other has a fixed portion B38 which is bent so as to be attached to a triangle cover described later. Reference numeral 39 denotes a roller rotatably supported by one of the fixing portions A37, 4
Reference numeral 0 denotes a spring, one end of which is locked to the fixed portion A37, and the other end of which is locked to the lower end of the shutter 31 to urge the shutter 31 in the closing direction. Reference numeral 41 denotes a geared motor, which is mounted on the drive unit mounting plate 36, and
1. The wire 42 locked at the lower end of the shutter 1 is wound up.
The open state is held by setting 1 to an open state, and when the power is turned off, the held state is released by a built-in magnet switch (not shown). Reference numeral 43 denotes a connector A, which is provided at an end of a lead 44 of the geared motor 41.

Reference numeral 45 denotes a power supply connection portion, which comprises a quick connection terminal 46 and a connector B47 connected thereto via a lead 44. 48 is an outer cover, which is made of a flat plate and
The drive unit insertion port 29 is covered with a screw from the inside. 4
9 is a wire cover, as shown in FIG.
The wire 42 covers the wire 42 in the shape of 0 and has a substantially L-shape and is screwed to the chamber 20. Reference numeral 50 denotes a triangular cover, which is formed of a triangular body having an opening at the bottom. A flange 53 is provided, and is mounted on the outer wall of the inclined portion 26 of the chamber 20 to form a square chamber 20.

Reference numeral 54 denotes a grill, and 55 denotes an inner panel constituting the inside of the grill. As shown in FIG. 3, two opposing sides are bent upward by a flat plate, and the tip is bent forward. It comprises a projecting connecting portion 56 and an opening 57 which is provided adjacent to the connecting portion and has two sides facing each other. Reference numeral 58 denotes an insect net, which is connected to the opening 57 of the inner panel 55 by the connecting portion 56.
And are mounted in the same shape. The ends of the openings 57 of the inner panel 55 are bent upwards, that is, toward the chamber 20 at the time of mounting, with different dimensions as shown in FIGS. Has formed. Reference numeral 59 denotes an outer panel forming the outside of the grill 54. A frame surrounding the inner panel 55 is connected to the connecting portion 56 at an upper portion thereof, and a connecting flange 60 to be integrated is provided around the outer panel.

Numeral 61 denotes a drain guide, which is overlapped with the connection flange 60 of the outer panel 59 when the grill 54 is mounted on the grill mounting opening 28 below the inner wall of the chamber 20.
And it is provided so as to be located on the opening 57 side. 62
Is a temporary fixing protrusion, which is provided as a pair facing the lower end of the inner wall of the chamber 20. 63 is a temporary fixing spring, which is provided as a pair facing the outer wall of the outer panel 59,
2 is engaged. 64 is water drops and oil, 65 is eaves 66
Ceiling, 67 is a sash of window 68, 69 is a triangular cover 50
The holes for fixing the drive unit mounting plate 36 provided in the above.

In the grille with shutter according to the first embodiment configured as described above, the assembling is performed in the chamber 2.
A shutter portion 34 is mounted with a screw (not shown) so as to cover the opening 27 from the inside of the connection port 22 from the inside. Next, a driving unit 35 including a driving unit mounting plate 36 on which a geared motor 41, a roller 39, a spring 40, and a wire 42 are mounted.
Is fixed to the outer wall of the inclined portion 26 from the drive portion insertion port 29 by the fixing portion A3.
7 is attached. Then, the fixing portion B38 of the driving section 35 is mounted on the triangular cover 50 to which the power supply connection portion 45 is mounted, and the triangular cover 50 is fixed to the inclined portion 26 with screws. Next, the spring 40 and the wire 42 are connected to the shutter 3.
After the connector A43 and the connector B47 are joined together, the outer cover 48 covers the drive section insertion opening 29 and the wire cover 49 covers the wire 42.

As shown in FIG. 5, the mounting is carried out by means of a ceiling suspension bolt (not shown) in an outdoor eaves ceiling 66, for example, in a ceiling 65 on the window 68 side.
Are connected, and a tape (not shown) is wound around the connection portion so that there is no air leakage. The ventilation duct 21 is connected to a blower (not shown), and the suction side of the blower is connected to an indoor inlet (not shown) through the ventilation duct 21.
Has been contacted. Next, the grill 54 is temporarily fixed to the spring 63.
The grille 54 is mounted in such a manner that the higher portion of the rising portion 57 a of the opening 57 of the inner panel 55 is positioned on the side of the window 68 while engaging the temporary fixing protrusion 62 with the temporary fixing protrusion 62. . And a power cord (not shown)
Are connected to the quick connection terminal 46.

The driving unit 35 is operated simultaneously with the operation of the blower.
The geared motor 41 is driven by being energized to
Wire 42 is wound up, the shutter 31 is pulled, in an open state, the exhaust effect of the outdoor or feed from outside
Pneumatic action is made. Further, when the operation of the blower is stopped, the power supply to the geared motor 41 is also turned off, the pulling and holding of the wire 42 is released by the magnet switch, and the biasing force of the spring 40 lowers the shutter 31 to a closed state. With these structures, the shutter portion 34, the driving portion 35, and the power supply connection portion 45 are detachable with screws or the like, so that maintenance can be easily performed from the inside of the chamber 20, and the triangular cover 50 is connected to the power supply connection portion 45 by the chamber. 2
The power cord can be connected from the outside while it is attached to the “0”. Further, since the drive unit 35 and the power supply connection unit 45 are not arranged in the air passage in the chamber 20, the pressure loss in the air passage can be reduced.

Further, as shown in FIG. 3, since the insect net 58 is formed in an L-shape and an inverted L-shape so as to be as large as possible, the pressure loss in the air passage can be reduced. Also, as shown in FIG. 4 and FIG.
The height of the rising portion 57a allows the exhaust flow to flow directly below and the lower portion to flow diagonally, so that the discharge direction can be changed and the walls, windows 68, etc. are not contaminated by the exhaust flow. . Also, as shown in FIG.
The engagement of the grille 54 with the temporary fixing protrusion 62 of the chamber 20 can be made safe by the engagement of the temporary fixing spring 63 in the chamber 20 and the temporary fixing protrusion 62 in the grill 54 as shown in FIG. It may be provided. Further, as shown in FIG. 7, by providing a drain guide 61 on the inner wall of the chamber 20, water 64 from the bathroom and oil 6 from the kitchen (not shown) are provided.
When the particles 4 adhere to the inside of the chamber 20 and flow down, they flow toward the inner panel 55 and the insect net 58 and do not flow to the back surface of the outer panel 59 and the ceiling 65, so that the ceiling surface can be prevented from being stained.

The shutter 3 in the chamber 20
A wire cover 49 is provided at the connection between the drive unit 1 and the drive unit 35, and has a structure in which water, oil 64, and the like hardly adhere. Furthermore, for air supply the body as shown in FIG. 8, the exhaust
When installed side by side and close to each other, the conventional grille 4 having ventilation holes in four directions has a large short circuit and gives discomfort to humans, but does not supply or exhaust air to the sides facing each other. The installation prevents short circuits and eliminates discomfort caused by airflow.

Embodiment 2 FIG. FIG. 10 is a view showing a second embodiment of the present invention. In the first embodiment, the connecting portion 56 of the inner panel 55 is raised to form the grill 54. However, as shown in FIG. May be fixed to the middle stage of the inner wall by welding or the like, and the same effect as in the above embodiment can be obtained.

Embodiment 3 FIG. FIGS. 11 and 12 show a third embodiment of the present invention. In the drawings, reference numeral 80 denotes a louver, which is rotatable about a support shaft 81 provided in the opening 57 instead of the insect screen 58 of the inner panel 55. It is supported. The louvers can freely change the distribution of the flow rate, the wind direction and the wind speed of the passing flow, and can easily be adjusted according to the installation location, thereby further improving the product function.

Embodiment 4 FIG. Further, as shown in FIG. 13, a plurality of louvers 80 may be provided on the entire grill 54, and the same effect as in the third embodiment can be obtained.

[0029]

As described above, the present invention has one side having a connection port to be connected to a ventilation duct, the other side having a slope facing the one side and having the connection port side high, and a lower surface. A chamber provided with a grill mounting opening on the side, and a grill mounted on the grill mounting opening of the chamber, wherein a shutter portion is detachably provided at the connection port, and an outer wall of the inclined portion of the chamber is provided. A drive unit for driving the shutter unit and a power supply connection unit are detachably disposed from the inner wall of the chamber, and are covered with a triangular cover forming a square shape with the one side, so that the drive unit and the like are located in the air path. Without lowering the air pressure loss
Maintenance of the shutter section, the drive section, the power supply connection section, and the like can be performed from the inside of the chamber, and the maintainability is further improved.

Further, an inner panel comprising a connecting side having a connecting portion having two flat sides opposed to each other by a flat plate and a grille provided adjacent to the connecting side and having two opposing sides. An outer panel around which a connection flange connected to the connecting portion is provided in a frame surrounding the inner panel, and the opening-side ends of the inner panel are raised to the chamber side with different dimensions. Thus, the wind direction from the grill differs depending on the rising dimension, and particularly when the rising is high, the wind direction is directly downward, so that the air volume and the wind direction can be adjusted without soiling the nearby ceiling and wall surfaces.

Further, since a drainage guide projecting from the inner wall to the connection flange of the outer panel is provided in the chamber so as to overlap the inner panel, and water and oil adhere to the inner wall of the chamber. Is collected on the inner panel side, flows from the end of the outer panel to the ceiling surface, and does not stain the ceiling surface.

Also, by providing a movable louver on the opening side of the inner panel, the direction of air blowing from the grill,
The air volume can be adjusted arbitrarily, eliminating short circuits and improving ventilation performance.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view showing a first embodiment of the present invention.

FIG. 2 is a side sectional view showing Embodiment 1 of the present invention.

FIG. 3 is an exploded perspective view of a grill showing the first embodiment of the present invention.

FIG. 4 is a side sectional view of a grill showing the first embodiment of the present invention.

FIG. 5 is a side sectional view showing Embodiment 1 of the present invention and showing attachment.

FIG. 6 is a view showing how a grill is attached to a chamber according to the first embodiment of the present invention.

FIG. 7 is a partial sectional view showing Embodiment 1 of the present invention.

FIG. 8 is a plan view showing the construction of a plurality of units according to the first embodiment of the present invention.

FIG. 9 is a view showing how a grill is attached to a chamber according to the first embodiment of the present invention.

FIG. 10 is a sectional view of a grill according to a second embodiment of the present invention.

FIG. 11 is a side sectional view showing Embodiment 3 of the present invention.

FIG. 12 is a partial sectional view of a grill according to a third embodiment of the present invention.

FIG. 13 is a side sectional view showing Embodiment 4 of the present invention.

FIG. 14 is a sectional view showing a conventional grille with shutter.

[Explanation of symbols]

 Reference Signs List 20 Chamber 21 Ventilation duct 22 Connection port 23 One side 24 Other side 26 Inclined part 28 Grill mounting opening 34 Shutter 35 Drive 45 Power supply connection 50 Triangular cover 54 Grill 55 Inner panel 56 Connection 57 Opening 57a 59 Outer panel 60 Connection flange 61 Drain guide 80 Louver

Claims (4)

(57) [Claims] 1. One side having a connection port connected to a ventilation duct, the other side having a slope facing the one side and having the connection port side at a high level, and a grille mounting opening on a lower surface side. A drive comprising a chamber provided and a grill mounted on a grill mounting opening of the chamber, wherein a shutter is detachably provided at the connection port, and the shutter is driven by an outer wall of the inclined portion of the chamber. A grille with a shutter, wherein the portion and the power supply connection portion are detachably arranged from the inner wall of the chamber, and are covered with a triangular cover forming a square shape with the one side. 2. A connecting side having a connecting portion having two sides opposed to each other by a flat plate and having a bent portion, and a grill adjacent to the connecting side;
An inner panel comprising an opening having two opposing sides, and an outer panel having a connection flange connected to the connecting portion in a frame surrounding the inner panel. The grille with a shutter according to claim 1, wherein the end portions on the sides are raised to the chamber side with different dimensions. 3. A shutter with a shutter according to claim 2, wherein a draining guide projecting from the inner wall to the connecting flange of the outer panel is provided in the chamber so as to be drained to the inner panel side. grill. 4. The grille with a shutter according to claim 1, further comprising a louver movably provided on an opening side of the inner panel.