JPH06129685A - Equipment for fitting decorative panel of ventilation fan - Google Patents

Abstract

PURPOSE:To prevent substantially disengagement of a hooking part of a spring member from an engagement part of a decorative panel, to make the hooking part easy to see when the hooking part is made to engage with the engagement part and to make it easy to engage them with each other. CONSTITUTION:A spring member 23 is constructed in a curved shape so that a hooking part 23a may turn outside of the main body 11 of a ventilation fan, while an engagement part 24 of a decorative panel 20 is so constructed that it is inserted into the hooking part 23a from the inside of the main body 11 of the ventilation fan toward the outside thereof, so as to be engaged therewith. On the occasion when the spring member 23 pulls up the decorative panel 20 by a spring force generated with an expansion of an arm part 23b, a force in the direction (the direction of an arrow A) of engagement with the engagement part 24 acts on the hooking part 23a, and therefore disengagement of the hooking part 23a from the engagement part 24 is prevented substantially. Besides, the hooking part 23a is easy to see and it is easy to engage the hooking part 23a and the engagement part 24 with each other when they are brought into engagement.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a decorative panel mounting device for a ventilating fan, in which a decorative panel is attached to the lower part of a ventilation fan main body by utilizing the spring force of a wire spring member.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 6, a ventilating fan, in particular, a duct ventilating fan installed in the ceiling is shown in FIG.
A decorative panel 2 is attached to the bottom of the ventilation fan main body 1 so as to cover the ventilation fan main body 1 from below.

The concrete mounting structure of the decorative panel 2 is as follows.
Spring attachment portions 5 are provided at two locations below the fan casing 4 arranged in the outer casing 3 of the ventilation fan main body 1, and the spring attachment portions 5 have a ring shape as shown in FIGS. 7 and 8. A spring member 6 made of a wire rod having arm portions 6b, 6b biased in directions of expanding to each other is attached to both sides of the hook portion 6a,
On the other hand, locking parts 7 extending outward are provided at two positions on the upper surface side of the decorative panel 2. At this time, the spring member 6 has a linear shape when viewed from the side, as shown in FIG.

When the decorative panel 2 is attached, as shown in FIGS. 9 (a) to 9 (c), each spring member 6 is attached.
With a finger on the hooked portion 6a of the arm 6b so that the tip of the arm 6b does not come off the spring mounting portion 5, and while tilting the decorative panel 2, the decorative panel is attached to the hooked portion 6a of one spring member 6. Hooking by inserting one of the locking portions 7 of 2 from the inside to the outside of the ventilation fan main body 1, and then the other locking portion 7 of the decorative panel 2 to the hooking portion 6a of the other spring member 6 in the same manner. Then, the decorative panel 2 is pushed upward. Then, the decorative panel 2 is pulled up by the spring force caused by the expansion of both arm portions 6b of each spring member 6,
The spring force causes the decorative panel 2 to be attached to the lower portion of the ventilation fan body 1 (see FIG. 6).

[0005]

However, in the above-mentioned conventional structure, for example, one of the two spring members 6 is not engaged with the hook portion 6a and the engaging portion 7. When the decorative panel 2 is attached in a sufficient state, there is a risk that the hooking portion 6a and the locking portion 7 are disengaged from each other due to an external force such as vibration accompanying the operation of the ventilation fan main body 1. there were.

Further, when the decorative panel 2 is attached, when the hooking portion 6a and the locking portion 7 of the spring member 6 are hooked, the hooking portion 6a is difficult to see and there is a drawback that it is difficult to hook them. It was

The present invention has been made in view of the above circumstances, and an object of the present invention is to attach a decorative panel via a spring member made of a wire rod, in which the hook portion of the spring member and the decorative panel are engaged. It is possible to make it difficult to disengage the locking part,
Another object of the present invention is to provide a decorative panel mounting device for a ventilation fan that makes it easy to see the hooks when engaging the hooks and the locks, and makes it easy to hook them.

[0008]

A decorative panel mounting device for a ventilation fan according to the present invention has, at the lower part of a ventilation fan main body, arm portions urged in directions of expanding toward each other on both sides of a ring-shaped hooking portion. By pulling up the decorative panel by a spring force accompanying expansion of both arm portions of the spring member in a state that the spring member made of a wire material is provided, and the locking portion of the decorative panel is locked to the hooking portion. In the one in which the decorative panel is attached to the lower part of the ventilation fan main body, the spring member is formed in a curved shape so that the hook portion faces the outside of the ventilation fan main body, and the locking portion is It is characterized in that the ventilation fan main body is inserted from the inside to the outside of the hook portion and locked.

[0009]

According to the above-mentioned means, when the spring member pulls up the decorative panel by the spring force caused by the expansion of the arm portion, the hooking portion of the spring member receives a force in the direction from the outside to the inside of the ventilation fan body. The hooking portion and the locking portion are locked in this direction, so that the locking of the hooking portion and the locking portion is difficult to disengage.

Further, when the hooking portion and the locking portion of the spring member are hooked, the hooking portion faces the outside of the ventilation fan main body, so that the hooking portion is easier to see than the conventional one, and Easy to hook.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. First, in FIG. 2, a ventilation fan main body 11 includes a fan casing 13, a motor 14, and a fan 15 rotatably driven by the motor 14 inside an outer box 12 having an opened lower surface.
6 are arranged. Such a ventilation fan body 1
1 is arranged on the back of the ceiling by screwing the flange 12a of the outer box 12 to a wooden frame 17 provided on the ceiling, and the exhaust port 18 is connected to the duct 19 on the back of the ceiling.

At the bottom of the ventilation fan body 11, the outer box 1
A decorative panel 20 having a large number of ventilation holes 20a is attached by an attaching device 21 so as to cover the lower surface opening 12b of the second member 2 from below. The mounting device 21 will be described below.

Two spring mounting portions 22 are provided on the lower surface of the fan casing 13 so as to face each other as shown in FIG. 1, and each spring mounting portion 22 has a spring member 2 made of a wire material.
3 is attached.

As shown in FIGS. 3 and 4, the spring member 23 has a bifurcated shape having arm portions 23b biased toward both sides of a ring-shaped hooking portion 23a. At the same time, it is formed in a curved shape when viewed from the side, and the hook portion 23a is attached to the spring attachment portion 22 in a state of facing the outside of the ventilation fan body 11, as shown in FIG.

On the other hand, on the upper surface of the decorative panel 20, the respective tip portions of the locking portions 24 extend outward.
Are provided at two locations.

The procedure for attaching the decorative panel 20 will be described with reference to FIGS. 5 (a) to 5 (c). First, as shown in (a), each spring member 23 is pulled out by placing a finger on the hooking portion 23a of the spring member 23 so that the tip of the arm portion 23b does not come off from the spring mounting portion 22.

Then, as shown in (b), the hanging portion 23a of one spring member 23 while tilting the decorative panel 20.
The one locking portion 24 of the decorative panel 20 is attached to the ventilation fan main body 11
Is hooked by inserting from the inner side to the outer side, and then, as shown in (c), the other locking portion 24 is similarly hooked on the hooking portion 23a of the other spring member 23.
At this time, since each spring member 23 has a curved shape such that the hooking portion 23a faces outward, the hooking portion 23a is easy to see and the locking portion 24 is easily hooked.

As described above, the hook portions 23 of the spring members 23 are provided.
After hooking "a" and both locking portions 24, the decorative panel 20 is pushed upward. Then, the decorative panel 20 is pulled up by the spring force that accompanies the expansion of the arms 23b of each spring member 23, and the decorative panel 20 is attached to the lower part of the ventilation fan body 11 by the spring force (see FIG. 1). .

At this time, when the spring member 23 pulls up the decorative panel 20 by the spring force associated with the expansion of the arm portion 23b, the hook portion 23b of the spring member 23 is directed inward from the outside of the ventilation fan body 11 ( The force in the direction of arrow A in FIG. 1) acts, and this direction is applied to the hook portion 23a and the locking portion 24.
Since the and are in the locking direction, the locking between the hooking portion 23a and the locking portion 24 is difficult to disengage.

Therefore, when the decorative panel 20 is attached, even if an external force such as vibration accompanying the operation of the ventilation fan main body 11 acts on the attachment device 21 portion, the engagement between the hook portion 23a and the engagement portion 24 is maintained. It does not come off.

[0021]

As is apparent from the above description, according to the present invention, the decorative panel is attached via the spring member made of a wire rod, and the spring member has the hooking portion of the ventilation fan main body. The spring member is configured to be curved so as to face outward, and the locking portion of the decorative panel is inserted and locked from the inside to the outside of the ventilation fan main body with respect to the hooking portion. It is said that it is possible to make it difficult to disengage the hook portion and the lock portion of the decorative panel from each other, and when the hook portion and the lock portion are locked, the hook portion is easy to see and they can be easily hooked. It has an excellent effect.

[Brief description of drawings]

FIG. 1 shows an embodiment of the present invention, and is a vertical cross-sectional side view of a main part of a decorative panel in a mounted state.

[Figure 2] Overall vertical front view

FIG. 3 is a front view of a spring member.

FIG. 4 is a side view of the spring member.

FIG. 5 is a vertical cross-sectional side view of essential parts showing a procedure for attaching a decorative panel.

FIG. 6 is a diagram corresponding to FIG. 1 showing a conventional configuration.

FIG. 7 is a view corresponding to FIG.

FIG. 8 is a view corresponding to FIG.

FIG. 9 is a view corresponding to FIG.

[Explanation of symbols]

Reference numeral 11 is a ventilation fan main body, 16 is a fan device, 20 is a decorative panel, 21 is a mounting device, 23 is a spring member, 23a is a hook portion, 23b is an arm portion, and 24 is a locking portion.

Claims (1)

[Claims] 1. A locking member included in a decorative panel, which is provided with a spring member made of a wire rod at a lower portion of a ventilation fan main body, the spring member having arms urged toward both sides of a ring-shaped hooking portion so as to expand each other. In which the decorative panel is attached to the lower part of the ventilation fan main body by pulling up the decorative panel by the spring force caused by the expansion of both arms of the spring member in a state where the decorative panel is locked to the hooking portion. In the above, the spring member is formed in a curved shape so that the hooking portion faces the outside of the ventilation fan main body, and the locking portion is directed toward the hooking portion from the inside to the outside of the ventilation fan main body. A decorative panel mounting device for a ventilation fan, which is configured to be inserted and locked.