JP3626870B2 - Louver mounting device for ventilation fan for pipes - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a louver mounting device for a pipe ventilation fan in which a square louver panel is attached to a square louver base provided at a front portion of a ventilation fan body installed on a wall or the like.
[0002]
[Prior art]
In recent years, a control circuit for automatic operation can be stored in a louver base that forms an air flow path with the louver panel as a small-sized pipe ventilation fan that constantly ventilates in order to improve the environment. There is an increasing demand for enabling the storage section to be formed.
[0003]
Conventionally, as shown in FIGS. 6 and 7, a louver mounting device for this type of ventilation fan for pipes has been known. Hereinafter, the configuration will be described with reference to FIGS. 6 and 7.
[0004]
As shown in the figure, a louver member having four square cylinders and convex portions 102 inside the frame portion of a rectangular frame-shaped louver base 101 provided on the front side of a ventilation fan body (not shown). An air flow path 106 is formed between the louver panel 105 and the louver panel 105 provided with the claw 104 that is provided with the joint portion 103 protruding from the louver base 101 and is engaged with the convex portion 102 of the louver engaging portion 103. It was attached like so.
[0005]
[Problems to be solved by the invention]
According to such a conventional louver mounting device for a pipe ventilation fan, the louver base 101 is provided with the four louver engaging portions 103 and is formed so as to hold the louver panel 105. 103 cannot secure a space for mounting a control circuit necessary for automatic operation, and the louver panel 105 is held by the four louver engaging portions 103 having a small holding area. There was a problem of being unstable and still insufficient.
[0006]
The present invention solves the above problems, and provides a louver mounting device for a ventilation fan for pipes that can secure the engagement of the louver panel to the louver base while ensuring the space of the housing portion of the control circuit. With the goal.
[0007]
[Means for Solving the Problems]
In the louver mounting device for a ventilation fan for pipes of the present invention, a rectangular frame-shaped louver base provided at the front portion of the ventilation fan main body and a C-shape that protrudes toward the lower portion on the front side of the louver base are formed. A control circuit housing portion, a panel engaging portion formed to project from the frame portion of the louver base above the housing portion of the control circuit, and the louver base via the panel engaging portion. And a louver panel provided so as to form a ventilation path. The louver panel is engaged with and engaged with an outer periphery of a control circuit housing portion and an engaging member that engages with a panel engaging portion provided with the louver base. This is a configuration in which a fitting portion to be stopped and a locking means are provided.
[0008]
According to the present invention, it is possible to provide a louver mounting device for a pipe ventilation fan capable of ensuring engagement and holding of a louver panel with respect to a louver base while securing a space for a storage portion of a control circuit.
[0009]
DETAILED DESCRIPTION OF THE INVENTION
The invention described in claim 1 of the present invention is formed by projecting into a rectangular frame-shaped louver base provided at the front portion of the ventilation fan main body and a C-shape that is square toward the lower portion on the front side of the louver base. The control circuit storage section, a panel engagement section formed to project from the frame section of the louver base above the control circuit storage section, and the ventilation between the louver base via the panel engagement section A louver panel provided so as to form a path, and the louver panel is engaged with and engaged with an outer periphery of a housing portion of the control circuit and an engaging element engaging with a panel engaging portion provided on the louver base. A louver mounting device for a ventilation fan for pipes provided with a fitting portion and a locking means. A control circuit storage portion is formed on the louver base so as to project into a square C shape, and a control portion is formed. The fitting portion and the engagement means for engaging and retaining the outer circumference of the housing portion of the circuit has the effect of ensuring the engagement holding the louver panel for louvers base.
[0010]
Embodiments of the present invention will be described below with reference to FIGS.
[0011]
(Embodiment 1)
As shown in FIGS. 1 to 3, the front portion of the ventilation fan body 2 having the fan motor 1 is formed in a rectangular frame shape, and protrudes forward in the shape of a wall with a C shape that is square toward the lower portion on the front side. And a louver base 5 having a rectangular tube-like panel engaging portion 4 formed to project forward from the frame portion on the upper side. The louver base 5 is provided with a louver panel 7 through the panel engaging portion 4 so that a ventilation path 6 is formed upward and left and right. The louver panel 7 includes an engaging element 8 inserted into and engaged with a cylindrical portion of the panel engaging portion 4 provided on the louver base 5 and a lower outer peripheral wall of the louver panel 7. A protruding rib 9 that forms a substantially square C-shaped fitting portion 10 that fits into the hook, and a claw 12 that is a locking means that engages with an engagement hole 11 provided in the wall portion of the storage portion 3 of the control circuit. And are provided.
[0012]
In the above configuration, when the louver panel 7 is mounted, the engaging member 8 of the louver panel 7 is inserted into and engaged with the panel engaging portion 4 provided on the louver base 5, and the control circuit storage portion provided on the louver base 5. The fitting portion 10 of the louver panel 7 is fitted to the outer periphery of the louver 3, and the louver panel 7 is attached to the hook by engaging with the engagement hole 11. At this time, the louver panel 7 is panel-shaped and easily deformed, and the shape thereof varies, but the storage part 3 of the control circuit provided in the louver base 5 is provided with a square C-shape protruding in a rib shape. By fitting the fitting portion 10 of the louver panel 7 into the storage portion 3 of the control circuit, the deformed shape of the louver panel 7 is corrected.
[0013]
During operation, room air is sucked in from the ventilation path 6 formed between the louver base 5 and the louver panel 7 and is discharged to the outside through the fan motor 1 for ventilation.
[0014]
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 control circuit housing portion 3 are formed in the louver base 5, and the louver panel 7 is panel-engaged. An engaging element 8 that engages with the portion 4, a fitting portion 10 that fits on the outer periphery of the storage portion 3 of the control circuit, and a claw 12 that locks the storage portion 3 of the control circuit and the fitting portion 10 are provided. Therefore, a sufficient space for accommodating the control circuit can be formed in the louver base 5, and the louver panel 7 has the fitting portion 10 in the accommodating portion 3 of the control circuit having a large area provided in the louver base 5. Thus, the variation in the shape of the louver panel 7 is corrected, and the louver panel 7 is securely attached.
[0015]
(Embodiment 2)
As shown in FIG. 4, in the vicinity of the left and right of the engagement hole 11A provided in the wall portion of the storage portion 3A of the control circuit of the louver base 5A so that the claws 12 provided in the fitting portion 10 of the louver panel 7 are engaged. It is set as the structure which provided the slit 14 and formed the elastic piece 15 which has 11 A of engagement holes.
[0016]
In the above configuration, when the louver panel 7 is attached to the louver base 5, the claw 12 provided in the fitting portion 10 of the louver panel 7 is provided in the housing portion 3A of the control circuit and formed in the elastic piece 15 having elasticity. The engagement hole 11A is attached in a locked manner.
[0017]
As described above, according to the louver mounting device for a pipe ventilation fan of the second embodiment of the present invention, the slits 14 are formed on the left and right sides of the engaging hole 11A provided on the louver base 5A side with which the claws 12 provided on the louver panel 7 are engaged. Since the elastic piece 15 having the engagement hole 11A is formed, the engagement of the claw 12 is lightly engaged with the engagement hole 11A with the elastic deformation of the elastic piece 15, and the louver panel 7 Becomes easy to attach to the louver base 5A.
[0018]
(Embodiment 3)
As shown in FIG. 5, a control circuit storage box 16 storing a control circuit is provided near the lower portion of the louver base 5B, and a fitting portion 10A that fits on the outer periphery of the control circuit storage box 16 is provided in the louver panel 7A. The configuration is as follows.
[0019]
In the above configuration, when the louver panel 7A is attached to the louver base 5B, the fitting portion 10A of the louver panel 7A is fitted and attached to the outer periphery of the control circuit storage box 16 provided on the louver base 5B.
[0020]
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 attached. There is no need to separately provide a fitting portion of the fitting portion 10A of the louver panel 7A on the louver base 5B side, and the control circuit storage box 16 is provided so that the fitting portion 10A of the louver panel 7A can be directly fitted to the outer periphery. A large control circuit space can be secured.
[0021]
【The invention's effect】
As is clear from the above embodiments, according to the present invention, a rectangular frame-shaped louver base provided at the front portion of the ventilation fan main body and a C-shape protruding toward the lower portion on the front side of the louver base are projected. A control circuit storage portion formed above, a panel engagement portion formed to protrude from the frame portion of the louver base above the control circuit storage portion, and the louver base via the panel engagement portion. A louver panel provided so that a ventilation path is formed between the louver panel, and an engagement element that engages with a panel engagement portion provided with the louver base and an outer periphery of a control circuit storage portion. Since the fitting part and the locking means for locking together are provided, it is possible to secure a space for storing the control circuit, and after correcting the variation in the shape of the louver panel, The louvers mounted device ventilators pipe which can ensure the fitting of the louver panel may be provided.
[0022]
In addition, an elastic piece having an engagement hole provided with slits in the vicinity of the left and right of the engagement hole provided in the wall portion of the housing portion of the control circuit of the louver base so that the nail as the locking means of the louver panel is engaged Thus, the louver panel is easily engaged with the louver base .
[0023]
In addition, a control circuit storage box provided near the lower portion of the louver base and a louver panel provided with a fitting portion that fits on the outer periphery of the control circuit storage box are provided, so that a space for storing a larger control circuit is provided. 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. 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. The disassembled perspective view which shows the structure of the louver attachment apparatus of the ventilation fan for pipes of the form 3 of FIG. 6. FIG. 6 is the exploded perspective view which shows the structure of the louver attachment apparatus of the conventional ventilation fan for pipes. Sectional view showing the engagement state of the louver panel
2 Ventilation fan body 3 Control circuit storage part 3A Control circuit storage part 4 Panel engagement part 5 Louver base 5A Louver base 5B Louver base 6 Ventilation path 7 Louver panel 7A Louver panel 8 Engagement element 10 Fitting part 10A Fitting part 11A Engagement hole 12 Claw 14 Slit 15 Elastic piece 16 Control circuit storage box

Claims (3)

A rectangular frame-shaped louver base provided at the front of the ventilating fan body, a control circuit storage portion formed in a C-shape protruding toward the lower portion on the front side of the louver base, and the control circuit storage A panel engaging portion that is formed so as to protrude from the frame portion of the louver base above the portion, and a louver panel that is provided so that a ventilation path is formed between the louver base and the panel engaging portion. A pipe provided with an engaging element that engages with a panel engaging part provided on the louver base, a fitting part that engages and locks on the outer periphery of the control circuit storage part, and a locking means. A louver mounting device for ventilation fans. The locking means of the louver panel is constituted by a claw, and a slit is provided in the vicinity of the left and right of the engagement hole provided in the wall portion of the housing portion of the control circuit of the louver base so that the claw is engaged, and the engagement hole is provided. The louver attachment device for a ventilation fan for pipes according to claim 1, wherein the elastic piece is formed. The louver mounting device for a ventilation fan for pipes according to claim 1, wherein the fitting portion of the louver panel is fitted to the outer periphery of a control circuit storage box provided so as to protrude toward the lower portion on the front side of the louver base.

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