JPH0552642U - Ventilation fan decorative panel mounting device - Google Patents

Abstract

(57) [Summary] [Objective] The decorative panel mounting device for a ventilation fan of the present invention is intended to make the decorative panel thinner and prevent the decorative panel from shrinking. [Structure] A bridge portion 27 is formed on the back surface of the decorative panel 21, and an insertion hole 27a is formed below the bridge portion 27. Further, the locking means 2 including a hole 26 and a protrusion 29 is provided on the opposite side of the connecting tool 25 and the back side of the decorative panel 21.
8 is formed. Then, the connecting tool 25 is attached to the decorative panel 21 by the locking means 28 by press-fitting the connecting tool 25 into the insertion hole 27a on the side opposite to the connecting side.

Description

[Detailed description of the device]

[0001]

[Industrial application]

 The present invention relates to a decorative panel attachment device for a ventilation fan that attaches the decorative panel to the ventilation fan body by connecting a holding member provided on the ventilation fan body side with a connector provided on the back surface side of the decorative panel.

[0002]

[Prior Art]

 Conventionally, in ventilation fans, especially duct ventilation fans, as shown in FIGS. 9 to 11, a decorative panel 4 is mounted on a ventilation fan body 3 in which a motor 1 and a fan 2 are installed so as to cover the internal parts. I am trying.

In this case, a holding spring 5 is provided on the ventilation fan main body 3 side, and a connecting tool 6 is fixed to the back surface side of the decorative panel 4 with a screw 7, and the ring portion of the holding spring 5 pulled out to the connecting tool 6. The decorative panel 4 is attached to the ventilation fan main body 3 by hooking it to the connecting portion 5a and connecting it, and then pulling the entire decorative panel 4 upward by the spring force of the holding spring 5.

[0004]

[Problems to be solved by the device]

 However, in the above configuration, since the connector is fixed to the decorative panel 4 by the screw 7, the decorative panel 4 needs to be formed with the screw seat 4a, and therefore, the decorative panel 4 is thickened, and the decorative panel 4 is not easily removed. The overhanging thickness of the decorative panel 4 was uncomfortable, and it was not possible to make it thinner, so there was a design constraint. Furthermore, since the screw seat 4a is a thick wall portion, there is a problem that the decorative panel 4 has a sink mark.

SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide a decorative panel mounting device for a ventilation fan that can make the decorative panel thinner and does not cause the cosmetic panel to be thinned.

[0006]

[Means for Solving the Problems]

 The decorative panel mounting device for a ventilation fan according to the present invention attaches the decorative panel to the main body of the ventilation fan by connecting the holding member provided on the main body of the ventilation fan to the connector provided on the back side of the decorative panel. A bridge portion which is formed in a bridge shape on the back surface of the decorative panel and has an insertion hole formed below, and a locking means formed on the anti-coupling side of the connector and the back surface side of the decorative panel, It is characterized in that the connector is attached to the decorative panel by the locking means by press-fitting the connector on the opposite side of the connector into the insertion hole.

[0007]

[Action]

 According to the above means, the connecting tool is pressed into the insertion hole formed in the decorative panel by the bridge, and the connecting tool is attached to the decorative panel by the locking means formed in the connecting tool and the decorative panel. Therefore, unlike when attaching the connector to the decorative panel with screws, it is not necessary to form a thick portion such as a screw seat.

In this case, there is a concern that the fixing of the connecting tool may become loose due to the attachment method using the locking means. However, according to the above means, the connecting tool is brought into a pressure contact state by the bridge portion. Since it is held and held in this state by the locking means, the connector can be attached in a stationary state.

[0009]

【Example】

 Hereinafter, a first embodiment of the present invention will be described with reference to FIGS. First, in FIG. 5, the ventilation fan main body 11 is configured by arranging a fan device 13 inside an outer box 12. The fan device 13 is composed of a fan casing 14, a fan motor 15, and a fan 16. ing. The lower surface of the outer box 12 is opened as an intake port 17, and a duct 18 is connected to a side portion of the outer box 12 via a connecting plate 12a.

The ventilation fan main body 11 as described above is arranged behind the ceiling by fixing the opening flange 12 b of the outer box 12 to the field edge 20 of the ceiling plate 19.

To the ventilation fan main body 11, a decorative panel 21 having a vent hole 21 a and covering the internal parts of the ventilation fan main body is attached by an attaching device 22. The mounting device 22 will be described below. A pair of spring mounting plates 23 (only one is shown) are attached to the lower surface of the fan casing 14 of the ventilation fan main body 11. The holding spring 24 as a holding member is of a well-known form in which both ends of a torsion spring are extended, and the holding spring 24 has its both ends abutted on the spring mounting plate 23, respectively. It is provided on the main body 11.

Reference numeral 25 denotes a connecting member, which is composed of a metal plate as shown in FIGS. 1 to 4, and a portion near one end of the connecting member 25 (a portion near the left end in FIG. 2) is upward. A connecting portion 25a that is bent and raised is formed. A hole 26 as an engaged portion is formed in a portion of the connecting tool 25 near the other end, which is the opposite connecting side, and the other end 25b is slightly inclined upward.

On the other hand, bridge portions 27 are formed on both sides of the back surface of the decorative panel 21. The bridge portion 27 is formed in a gate shape on the back surface of the decorative panel 21, and has an insertion hole 27a formed below. The insertion hole 27a is formed to have a size substantially equal to the plate thickness and width of the connector 25.

Reference numeral 28 denotes a locking means, and the hole portion 26 formed in the connector 25, and the protrusion 29 as an engaging portion formed on the rear surface of the decorative panel 21 at a portion facing the bridge portion 27. The protrusion 29 is formed to have a size substantially equal to the diameter of the hole 26.

Then, the other end of the connector 25 in FIG. 2 is press-fitted into the insertion hole 27a below the bridge 27, and the hole 26 of the connector 25 is press-fitted to the protrusion 29 by this press-fitting. Be done. That is, the connecting means 25 is locked by the locking means 28, so that the connecting tool 25 is attached to the decorative panel 21.

The holding spring 24 is connected to the connecting member 25 by engaging the ring portion 24 a of the holding spring 24 with the connecting portion 25 a of the connecting member 25, and the entire decorative panel 21 is pressed by the spring force of the holding wings 24. Thus, when the decorative panel 21 is pulled upward, the downward expansion of the holding spring 24 prevents the decorative panel 21 from falling. As a result, the decorative panel 21 is attached to the ventilation fan main body 11 in a state of hitting the ceiling plate 19.

According to this embodiment as described above, the connector 25 is press-fitted into the insertion hole 27 a formed in the decorative panel 21 by the bridge portion 27, and the locking means 28 formed in the connector 25 and the decorative panel 21. As a result, the connector 25 is attached to the decorative panel 21. Therefore, unlike the conventional case in which the connector is attached to the decorative panel with screws, it is not necessary to form a thick portion such as a screw seat. As a result, the decorative panel 21 can be made thinner, the protruding thickness of the decorative panel 21 from the ceiling can be made smaller, and discomfort can be eliminated, and design restrictions can be lessened. Further, since the decorative panel 21 does not have a thick portion unlike the conventional screw seat, the decorative panel 21 does not have a sink mark.

By the way, there is a concern that the fixing of the connector 25 may be loosened due to the attachment method by the locking means 28. However, according to the present embodiment, the connector 25 is fixed to the bridge portion 2. The connecting member 25 is held in a pressed state by the bridge portion 27 by being pressed into the insertion hole 27a of the connector 7, and this state is held by the locking of the locking means 28. 25 can be securely attached to the stationary state. That is, when the decorative panel 21 is mounted (see FIG. 1), the connecting portion 25a of the connecting tool 25 is pulled upward by the holding spring 24, so that the other end 25b of the connecting tool 25 is attached to the decorative panel. Since it acts so as to be pressed in the 21st direction, the hole 26 is not disengaged from the protrusion 29.

In particular, according to this embodiment, since the other end portion 25b (the end portion on the side where the insertion hole 27a is press-fitted) of the connection tool 25 is inclined upward, the connection tool for the insertion hole 27a is formed. This can be easily done when pressing 25.

FIG. 6 shows a second embodiment of the present invention, which is different in that a recess 30 is formed as an engaging portion of the locking step 28 instead of a hole. Even in this case, the same effect as that of the first embodiment can be obtained.

7 and 8 show a third embodiment of the present invention. The third embodiment differs from the first embodiment in the following points. That is, the locking means 31 includes a claw portion 32, which is an engaged portion formed on the other end of the connector 25, and a claw-shaped protrusion 33, which is an engaging portion, formed on the back surface of the decorative panel 21. It is configured. Further, a receiving portion 34 for receiving the connector 25 is formed on the back surface of the decorative panel 21, and the bridge portion 35 has a vertical height of the insertion hole 35a, which is the same as the height dimension of the receiving portion 34 and It is formed so as to have almost the same size as the combined thickness of the connector 25. The receiving portion 34 is located on the opposite side of the projecting portion 33 with the bridge portion 35 interposed therebetween.

In this case, the claw portion 32 side of the coupling tool 25 is press-fitted into the insertion hole 35 a, and while utilizing the elasticity of the coupling tool 25, the claw portion 32 has the inclined surface 32 a of the projection 33. 33a is moved over the projection 33, and the claw 32 is engaged with the projection 33. As a result, the connector 25 is attached to the decorative panel 21. Also in this embodiment, the same effect as that of the first embodiment is obtained.

The present invention is not limited to the above-mentioned embodiments, and various modifications can be made within the scope of the invention.

[0024]

[Effect of the device]

 As is apparent from the above description, the present invention attaches the decorative panel to the main body of the ventilation fan by connecting the holding member provided on the main body of the ventilation fan to the connector provided on the back side of the decorative panel. And a bridging portion formed in a bridge shape on the back surface of the decorative panel and having an insertion hole formed below, and locking means formed on the anti-coupling side of the connector and the back surface side of the decorative panel. The connecting tool is attached to the decorative panel by the locking means by press-fitting the connecting tool into the insertion hole on the side opposite to the connecting side of the connecting tool. The thickness of the decorative panel can be reduced and the thickness of the decorative panel protruding from the ceiling can be reduced to eliminate discomfort, and the design restrictions can be reduced. In addition, sink marks can occur on the decorative panel. No more, Excellent effects such as may surely perform the attachment of the connector relative to 粧 panel.

[Brief description of drawings]

FIG. 1 is a vertical cross-sectional side view of essential parts showing a first embodiment of the present invention.

FIG. 2 is a perspective view of a main part.

FIG. 3 is a perspective view of a connector.

FIG. 4 is a perspective view of a decorative panel portion.

FIG. 5 is an overall vertical sectional view

FIG. 6 is a side view of a connector according to a second embodiment of the present invention.

FIG. 7 is a view corresponding to FIG. 1 showing a third embodiment of the present invention.

FIG. 8 is a view corresponding to FIG.

FIG. 9 is a view corresponding to FIG. 5 showing a conventional example.

FIG. 10 is a vertical sectional side view of a main part.

FIG. 11 is a perspective view of a main part.

[Explanation of symbols]

11 is a ventilation fan main body, 13 is a fan device, 19 is a ceiling plate,
21 is a decorative panel, 22 is a mounting device, 24 is a holding spring (holding member), 25 is a connecting tool, 25a is a connecting portion, 26 is a hole portion, 27 is a bridge portion, 27a is an insertion hole, 28 is a locking means, 29 is a protrusion, 30 is a recess, 31 is a locking means, 32 is a claw, 33 is a protrusion, 34 is a receiving part, 35 is a bridge, 35a
Indicates an insertion hole.

Claims (1)

[Scope of utility model registration request] 1. A holding member provided on the ventilation fan main body side,
Connect the connector provided on the back side of the decorative panel,
The decorative panel is attached to the main body of the ventilation fan, and a bridge portion is formed on the back surface of the decorative panel in a bridge shape to form an insertion hole below, a non-connecting side of the connector and a back surface side of the decorative panel. And a connecting means attached to the decorative panel by the locking means by press-fitting the connecting tool into the insertion hole on the side opposite to the connecting side of the connecting tool. Decorative panel mounting device.