JPH01107040A - Grill attachment device for ventilating fan - Google Patents

Abstract

PURPOSE:To securely attach the grill of a ventilating fan regardless of the thickness of the ceiling board by positioning one end of the grill mounting part by abutting same to the ceiling board and screwing down with fastening metal, and hooking the engagement part of the grill to the hooking hole. CONSTITUTION:A grill mounting part 9 has an elongate hole 11 to allow the sliding movement relative to the grill fastening metal 8, an arm 13 to abut the ceiling board 12 and a hooking hole 15 to which the grill 14 is hooked from the side. The grill mounting part 9 is fixedly attached to the grill fastening metal 8 with a screw 10 as the arm 13 abuts the ceiling board 12. The mounting frame 16 is fixedly attached to the grill mounting part 9 with a screw 17 without a gap between the ceiling board 12 and itself. The grill 14 comprises a frame 18, a panel 19 and a panel holder 20, and the panel 19 is held down by the panel holder 20. The panel holder 20 has a lock pin 21 which is laterally slidable against a spring 22 and engages with the hooking hole 15 from the side.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a grill mounting device for a ventilation fan, and more particularly to a grill mounting device suitable for easily and securely mounting a grill even when ceiling panels have different thicknesses.

[Conventional technology]

The conventional grill mounting device is Utility Model Opening Showa 60-1.70661.
As stated in the issue, the grill is equipped with a grill retaining spring,
This grille holding spring is inserted into an insertion opening provided in the ventilation fan body in a compressed state, and the grille is held by the spring force.

[Problem that the invention seeks to solve]

In the above-mentioned conventional technology, when the ceiling plate is thick, the grille holding spring is in a compressed state, and the force of the spring to hold the grille is reduced.

In addition, if interior building materials are incorporated into the grill in order to match the color of the grill to the ceiling board, the weight of the grill becomes heavy and there is a risk that the grill cannot be supported by the grill retaining spring and the grill may fall off the ceiling, so use a strong spring. It is necessary to use it. However, since the grille is attached manually, there is a limit to the spring force, which reduces ease of handling.

The purpose of the present invention is to install the grill without using conventional springs, to be able to adjust it according to the thickness of the ceiling plate, to prevent the grill from falling off due to a decrease in holding power or vibration, and to maintain a reliable appearance of the grill. It is an object of the present invention to provide a grill mounting device which is excellent and has improved mounting ease.

[Means for solving problems]

The above object is to provide the grill mounting body with an elongated hole that slides against the arm that abuts against the indoor wall surface of the ceiling plate and the ventilation fan body, and further includes an engaging member that is movable laterally near the outer periphery of the upper surface of the grill. This is achieved by providing a retaining member that allows the engaging member to freely engage with a hooking hole formed in the grill attachment body, and retaining the engaged state of the engaging member with the hooking hole.

[Function] The grill mount can be slidably fixed to the ventilation fan body with screws, so one end of the grill mount can be pressed against the wall on the indoor side of the ceiling board and the grill mount can be fixed to the ventilation fan body with screws. By doing so, the grill attachment body is positioned with reference to the indoor wall surface of the ceiling plate.

In addition, the grill's engaging member is hooked and fixed horizontally into the hooking hole of the grill mount, which is positioned based on the indoor wall of the ceiling panel, and is held by the holding member, so the grill is securely fixed to the grill mount. be done. Further, since the engaging member of the grille is provided so as to be movable laterally near the outer periphery of the upper surface of the grille, the engaging member of the grille is not exposed on the surface of the grille.

〔Example〕

Hereinafter, one embodiment of the present invention will be described based on the drawings. ' Figure 1 shows a longitudinal cross-sectional view of the ventilation fan. The main body case 1 includes vanes 2 that form an exhaust flow and an electric motor 3 that rotationally drives the vanes 2. A bell mouth 4 is disposed on the inlet side of the blade 2, and a duct joint 6 with a shutter 5 for preventing back wind inside is disposed on the exhaust outlet side of the main body case 1, and is detachably attached to the main body case 1. Case 1 is ceiling wooden frame 7
It is screwed into place.

A grill fixture 8 is screwed onto the bell mouth 4 at an opposing position, and a grill mounting body 9 is slidably secured to the grill fixture 8 with screws 10. The grill mounting body 9 has an elongated hole 11 so that it can slide against the grill fixing fitting 8.
and an arm 13 for hitting against the ceiling board 12. Grill body 1
A hooking hole 15 is provided for hooking and fixing 4 from the lateral direction.

The grill mounting body 9 is fixed to the grill fixing fitting 8 with screws 10 with an arm 13 abutting against a ceiling plate 12. The mounting frame 16 is attached to the ceiling plate 1 by screws 17 to the grill mounting body 9.
It is fixed with no gap between the two.

The grill body 14 has a picture frame 1.8. Panel 19. The panel holding fittings 20 are formed so that the panel 19 installed inside the frame 18 is sandwiched between the panel holding fittings 20. A lock pin 21 that laterally engages with the hook hole 15 of the grill mounting body 9 is attached to the spring body 2 of the panel holding fitting 20.
2 so that it can be moved laterally.

The figure shows a state in which the lock pin 21 of the grill body 14 is laterally engaged with the hook hole 15 of the grill attachment body 9, and the grill body 14 is held.

The exhaust flow is caused by the operation of the electric motor 3 between the grill body 14 and the mounting frame 1.
6, passes through the permouth 49 blade 2, opens the shutter 5, and flows into the duct joint 6.

FIG. 2 is a sectional view of the installation when the ceiling board is thick, and FIG. 3 is an explanatory view of the main part of FIG. 2. If the ceiling board 12 is thick,
Using the elongated holes 11 of the grill mounting body 9, shift the grill mounting body 9 from the grill fixing bracket 8, and while pressing the arm 13 of the grill mounting body 9 against the ceiling plate 12, attach the grill mounting body 9 to the grill fixing bracket 8 with the screws 10. Fixed. Mounting frame 16
is fixed to the grill attachment body 9 with screws 17 without any gaps between it and the ceiling plate 12.

FIG. 4 is a sectional view of the grill body in a removed state, FIG. 5 is an explanatory diagram of the grill body in an engaged state, and FIG. 6 is an explanatory diagram of the grill body in a removed state. In the figure, the lock pin 21 is a large diameter portion 2 that fits into the hook hole 15 of the grill attachment body 9 from the side.
3, and a small diameter portion 25 that passes through the groove portion 24 of the grill attachment body 9 in the vertical direction. Move the left and right lock pins 21 to arrow A
By pushing in the direction, the large diameter portion 23 of the lock pin 21 is laterally removed from the hooking hole 15 of the grill attachment body 9, and the small diameter portion 25 of the lock pin 21 is inserted into the groove portion 24 of the grill attachment body 9.
The grill body 14 is attached and detached by passing through in the vertical direction. Here, the lock pin 21 is connected to the spring body 22 and the stopper 2.
6 so that it is always pressed in the opposite direction to the arrow A direction, and when no force is applied to the left and right lock pins 21, the large diameter portion 23 of the lock pin 21 applies a spring force to the hooking hole 15 of the grill mounting body 9. It is formed so as to be engaged from the lateral direction. Further, by providing the inclined portion 27 on the large diameter portion 23 of the lock pin 21, the large diameter portion 23 of the lock pin 21 and the hooking hole 15 of the grill attachment body 9 are formed to smoothly engage with each other. There is. Furthermore, lock pin 21
A knob 27 is provided so that it does not hurt when pressed with a finger.

According to this embodiment, the panel 1 installed inside the grill body 14
Even when a heavy interior building material such as plasterboard is used as the grill body 9, the lock pin 21 of the grill body 14 engages with the hooking hole 5 of the grill attachment body 9 from the side, so the weight of the grill body 14 The grill body 14 will not slide down.

Further, since the mounting frame 16 in contact with the ceiling plate 12 has a structure in which it is directly screwed onto the grill mounting body 9 attached with the ceiling plate 12 as a reference, there is no gap between the ceiling plate 12 and the mounting frame 16. Furthermore, attachment and detachment of the grill body 14 to the grill attachment body 9 is as simple as pushing the left and right lock pins 21 in the horizontal direction as described above, and since the knob 27 does not protrude from the outer surface of the grill body 14, the grill The appearance of the body 14 is not impaired.

〔Effect of the invention〕

According to the present invention, the grill mounting body fixed to the ventilation fan body and to which the grill is attached is provided with an arm that abuts against the indoor wall surface of the ceiling plate and a long hole that slides against the ventilation fan body, and further, near the outer periphery of the upper surface of the grill. an engaging member that is movable laterally, the engaging member being able to freely engage with a hooking hole formed in the grill attachment body, and a holding member that maintains the engaged state of the engaging member with the hooking hole; By installing this component, the grill can be securely attached to the indoor wall surface of the ceiling board without any gaps, regardless of the thickness of the ceiling board, and the gripping force of the grill may decrease due to the increase in the thickness of the ceiling board, and the grill may be damaged due to vibrations, etc. There is no slippage of the grille, and the engaging member and the holding member of the grille are tucked inside the rear side of the grille so that the appearance of the grille is not spoiled.

[Brief explanation of the drawing]

The drawings show one embodiment of the present invention, and FIG. 1 is a longitudinal sectional view of a ventilation fan, FIG. FIG. 4 is a cross-sectional view of the grill body removed, FIG. 5 is an explanatory diagram of the grill body engaged state, and FIG. 6 is an explanatory diagram of the grill body removed state. 4...Bell mouth, 8...Grill fixing metal fittings, 9...
・Grill mounting body, 11...long hole, 12...ceiling plate,
]-3...Arm, 14...Grill body, 15...Hooking hole, 20...Panel holding bracket, 21...Lock pin,
23... Large diameter part, 24... Groove part, 25... Small diameter part.゛pa/

Claims (1)

[Claims] 1. A ventilation fan body installed in the ceiling and exhausting contaminated air (
1), a grill body (14) that covers the ceiling opening of the ventilation fan body (1), and a grill mounting body (9) to which the grill body (14) fixed to the ventilation fan body (1) is attached. The grill mounting body (9) is provided with an elongated hole (11) that slides against the arm (13) that abuts against the indoor wall surface of the ceiling plate (12) and the ventilation fan body (1), and further, the grill A laterally movable engagement member (
21), and the engaging member (21) can be freely engaged with a hooking hole (15) formed in the grill attachment body (9),
A grill attachment device for a ventilation fan, characterized in that a holding member (22) is provided to maintain the engaging state of the engaging member (21) in the hooking hole (15).