JP2000283514A - Louver mounting device for ventilation fan for pipe - Google Patents

Abstract

PROBLEM TO BE SOLVED: To ensure a space to contain a control circuit and to reliably hold engagement of a louver panel with a louver space. SOLUTION: A containing part 3 for a control circuit protruding in an angular C-shape is situated closer to the lower part on the front side of a louver base 5 in a square frame-form state. A panel engaging part 4 is situated closer to an upper part, and engaging pieces 8 engaging with the respective panel engaging parts 4 and an engaging part 10 engaged with the outer periphery of the containing part 3 for the control circuit are situated at a louver panel 7. This constitution ensures the space to contain the control circuit in the louver space 5 and reliably mounts the louver panel 7 by the engaging part 10 fitted in the containing part 3 of the control circuit.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a louver mounting device for a ventilation fan for a pipe, in which a rectangular louver panel is mounted on a rectangular louver base provided at a front portion of a ventilation fan main body installed on a wall or the like.

[0002]

2. Description of the Related Art In recent years, in order to improve the environment, along with the spread of small-sized pipe ventilation fans that constantly ventilate, a louver base that forms an air flow passage between the louver panel and the louver panel has been used for automatic operation. There is an increasing demand for being able to form a storage part in which a control circuit can be stored.

Conventionally, a louver mounting apparatus for a pipe ventilation fan of this type has been known as shown in FIGS. 6 and 7. FIG. Hereinafter, the configuration will be described with reference to FIGS.

[0004] As shown in the figure, a ventilation fan body (not shown)
Frame-shaped louver base 101 provided on the front side of the
A louver engaging portion 103 having four rectangular tubular shapes and having a convex portion 102 inside is protruded from the louver base 101 and a claw 104 engaging with the convex portion 102 of the louver engaging portion 103. The louver panel 105 provided with the louver base 101 is attached so that an air flow path 106 is formed between the louver panel 105 and the louver base 101.

[0005]

According to such a conventional louver mounting device for a pipe ventilation fan, the louver base 101 is provided with four louver engaging portions 103 so as to hold the louver panel 105. Therefore, it is not possible to secure a space for mounting a control circuit necessary for automatic operation in the louver engaging portion 103, and the louver panel 105 is held by the four louver engaging portions 103 having a small holding area. Therefore, there is a problem that the holding of the louver panel 105 is unstable and still insufficient.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and has a louver mounting device for a pipe ventilation fan capable of ensuring the engagement and holding of a louver panel with a louver base while securing a space for accommodating a control circuit. The purpose is to provide.

[0007]

According to the present invention, there is provided a louver mounting apparatus for a pipe ventilation fan according to the present invention, wherein a square frame-shaped louver base is provided at a front portion of a ventilation fan main body, and a corner is provided near a lower portion on a front side of the louver base. A storage section of the control circuit formed so as to protrude into a C-shape, a panel engagement section formed to protrude from the frame portion of the louver base above the storage section of the control circuit, and the panel engagement section. A louver panel provided so that a ventilation path is formed between the louver base and the louver base. In this configuration, a fitting portion and a locking means for fitting and locking to the outer periphery of the storage portion are provided.

According to the present invention, there is provided a louver mounting device for a pipe ventilation fan capable of ensuring the engagement and holding of a louver panel with a louver base while securing a space for a storage portion of a control circuit. it can.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention according to claim 1 of the present invention is directed to a square frame-shaped louver base provided at a front portion of a ventilation fan main body, and a C-shape squared toward a lower portion on the front side of the louver base. A housing portion of the control circuit formed to protrude into a shape, a panel engaging portion formed to protrude from the frame portion of the louver base above the housing portion of the control circuit, and A louver panel provided so that a ventilation path is formed between the louver base and the louver base. A louver mounting device for a pipe ventilation fan provided with a fitting portion for fitting and locking on the outer periphery and a locking means, and a storage portion for a control circuit protruding in a C-shape which is square with a louver base. Is shaped Together it is, by the fitting portion and the engagement means for engaging and retaining the outer circumference of the housing portion of the control circuit has the effect of ensuring the engagement holding the louver panel for louvers base.

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

(Embodiment 1) As shown in FIGS. 1 to 3, a rectangular frame is formed at the front of a ventilation fan main body 2 having a fan motor 1 and has a C-shape which is square toward a lower part on the front side. And a louver base 5 formed with a control circuit housing 3 formed so as to protrude forward in a wall shape and a square tubular panel engaging portion 4 formed so as to protrude forward from a frame portion on the upper side. . A louver panel 7 is provided on the louver base 5 via a panel engaging portion 4 so that ventilation paths 6 are formed above and to the left and right. The outer periphery of the control circuit housing 3 is formed on the louver panel 7 by an engaging element 8 inserted into and engaged with the cylindrical portion of the panel engaging section 4 provided on the louver base 5 and a lower outer peripheral wall of the louver panel 7. A projection rib 9 forming a substantially square C-shaped fitting portion 10 to be fitted into the housing, and a claw 12 serving as a locking means for engaging with an engaging hole 11 provided in a wall portion of the storage portion 3 of the control circuit. Are provided.

In the above configuration, when the louver panel 7 is mounted, the engaging element 8 of the louver panel 7 is inserted into the panel engaging portion 4 provided on the louver base 5 to engage therewith, and the control circuit provided on the louver base 5 is provided. The fitting portion 10 of the louver panel 7 is fitted to the outer periphery of the storage portion 3 and is attached to the pawl by engaging with the interlocking hole 11. At this time, the louver panel 7 is easily deformed in a panel shape and has a variation in shape. However, since the accommodating portion 3 of the control circuit provided on the louver base 5 is provided in a rectangular C-shape and protruding in a rib shape, By fitting the fitting part 10 of the louver panel 7 into the storage part 3 of the control circuit, the shape of the deformed louver panel 7 is corrected.

During operation, room air is sucked in from the ventilation passage 6 formed between the louver base 5 and the louver panel 7 and is discharged outside through the fan motor 1 for ventilation.

As described above, according to the louver mounting device for a pipe ventilation fan according to the first embodiment of the present invention, the panel engaging portion 4 and the storage portion 3 for the control circuit are formed on the louver base 5, and the louver panel 7 is provided with the louver panel 7. Engagement element 8 that engages with panel engagement portion 4
A fitting portion 10 fitted to the outer periphery of the storage portion 3 of the control circuit;
In addition, since the claw 12 for locking the storage section 3 of the control circuit and the fitting section 10 is provided, a sufficient space for storing the control circuit in the louver base 5 can be formed, and the louver panel 7 can be formed. The louver panel 7 is securely mounted after the variation in the shape of the louver panel 7 has been corrected by being attached to the storage section 3 of the control circuit having a large area provided on the louver base 5 via the fitting section 10. Can be

(Embodiment 2) As shown in FIG. 4, provided on the wall of the housing 3A of the control circuit of the louver base 5A so that the claws 12 provided on the fitting portion 10 of the louver panel 7 are engaged. A slit 14 is provided near the left and right of the engaging hole 11A to be formed, and an elastic piece 15 having the engaging hole 11A is formed.

When the louver panel 7 is mounted on the louver base 5, the claws 12 provided on the fitting portion 10 of the louver panel 7 are provided in the storage portion 3A of the control circuit, and the elastic pieces having elastic force are provided. 15 and is engaged with the engaging hole 11A.

As described above, according to the louver mounting device for a pipe ventilation fan according to the second embodiment of the present invention, the right and left of the engaging hole 11A provided on the louver base 5A side with which the claw 12 provided on the louver panel 7 engages. Is provided with a slit 14, and an elastic piece 15 having an engagement hole 11A is formed.
The engagement of the engagement hole 11 with the elastic deformation of the elastic piece 15
A is lightly engaged with the louver panel 7.
Can be easily attached to the louver base 5A.

(Embodiment 3) As shown in FIG. 5, a control circuit storage box 16 containing a control circuit is provided near the lower part of the louver base 5B, and a fitting fit to the outer periphery of the control circuit storage box 16 is provided. The joining portion 10A is provided on the louver panel 7A.

In the above configuration, when the louver panel 7A is mounted on the louver base 5B, the fitting portion 10A of the louver panel 7A is fitted and mounted on the outer periphery of the control circuit storage box 16 provided on the louver base 5B.

As described above, according to the louver mounting device for a pipe ventilation fan according to the third embodiment of the present invention, the fitting portion 10A of the louver panel 7A is directly fitted to the outer periphery of the louver base 5B, and the louver panel 7A is mounted. So that
The louver panel 7A has a fitting portion 1 on the louver base 5B side.
It is not necessary to separately provide a portion for fitting the 0A, and the control circuit storage box 16 can be formed large so that the fitting portion 10A of the louver panel 7A can be directly fitted to the outer periphery, and a large space for the control circuit can be obtained. Can be secured.

[0021]

As is apparent from the above embodiments, according to the present invention, a rectangular frame-shaped louver base provided at the front of the ventilation fan main body, and the louver base is angled toward the lower front side. A control circuit storage portion protruding in a C-shape, a panel engagement portion protruding from the frame portion of the louver base above the control circuit storage portion, and a panel engagement portion interposed therebetween. A louver panel provided so that a ventilation path is formed between the louver base and the louver base. Since the fitting portion and the locking means for fitting and locking to the outer periphery of the portion are provided, a space for accommodating the control circuit can be secured, and the variation in the shape of the louver panel is corrected. It is possible to provide a louver attachment device ventilators pipe which can ensure the fitting of the louver panel with respect to the bar-based.

In addition, slits are provided near the left and right sides of an engagement hole formed in a wall of a storage portion of the control circuit of the louver base so that a claw serving as a locking means of the louver panel is engaged,
Since the elastic piece having the engagement hole is formed, the louver panel is easily engaged with the louver panel.

Further, since the control circuit storage box provided near the lower portion of the louver base and the louver panel provided with the fitting portion fitted to the outer periphery of the control circuit storage box are provided, a larger control circuit can be provided. Space for storing can be secured.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view showing a configuration of a louver mounting device for a pipe ventilation fan according to a first embodiment of the present invention.

FIG. 2 is a perspective view showing a configuration of a louver mounting device for the pipe ventilation fan.

FIG. 3 is a cross-sectional view showing a configuration of a locking means of the louver mounting device for the pipe ventilation fan.

FIG. 4 is an exploded perspective view showing a configuration of a louver mounting device for a pipe ventilation fan according to a second embodiment of the present invention.

FIG. 5 is an exploded perspective view showing a configuration of a louver mounting device for a pipe ventilation fan according to a third embodiment of the present invention.

FIG. 6 is an exploded perspective view showing a configuration of a conventional pipe louver mounting device for a ventilation fan.

FIG. 7 is a sectional view showing an engaged state of a louver panel of the louver mounting device for the pipe ventilation fan.

[Explanation of symbols]

 2 Ventilation fan body 3 Control circuit storage section 3A Control circuit storage section 4 Panel engaging section 5 Louver base 5A Louver base 5B Louver base 6 Ventilation path 7 Louver panel 7A Louver panel 8 Engagement element 10 Fitting section 10A Fitting section 11A Engagement hole 12 Claw 14 Slit 15 Elastic piece 16 Control circuit storage box

Continuation of the front page (72) Inventor Ryoma Yokoyama 6-2-61 Imafukunishi, Joto-ku, Osaka-shi, Osaka Matsushita Seiko Co., Ltd. F term (reference) 3L058 BG04 BG05

Claims (3)

[Claims] 1. A rectangular frame-shaped louver base provided at a front portion of a ventilation fan main body, and a storage portion for a control circuit formed to protrude in a C-shape which is squared toward a lower portion on the front side of the louver base; An air passage is formed between the panel engaging portion formed above the louver base frame portion above the storage portion of the control circuit and the louver base via the panel engaging portion. A louver panel provided, wherein the louver panel is provided with an engaging element which engages with a panel engaging portion provided on the louver base and a fitting portion which engages with and locks on an outer periphery of a storage portion of the control circuit. A louver mounting device for a pipe ventilation fan provided with means. 2. The louver panel locking means is constituted by a claw, and slits are provided near right and left of an engagement hole provided in a wall portion of a storage portion of a control circuit of the louver base so that the claw is engaged. The louver mounting device for a pipe ventilation fan according to claim 1, wherein an elastic piece having an engagement hole is formed. 3. The louver installation of a pipe ventilation fan according to claim 1, wherein a fitting portion of the louver panel is fitted to an outer periphery of a control circuit storage box protruding toward a lower portion on the front side of the louver base. apparatus.