JP2582523B2 - Grill mounting structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a grill mounting structure suitably used for an air conditioner installed near a window or a wall.

[0002]

2. Description of the Related Art In an air conditioner installed near a window or the like,
Generally, an opening is provided in the top plate (exterior plate), and a plurality of square grills for adjusting the wind direction are detachably held in the opening through a holding frame. In the prior art, a sheet metal holding frame for holding the grill is fixed to the inner surface of the opening of the sheet metal top plate by spot welding or the like.

[0003]

However, the work of accurately positioning and holding the holding frame on the inner surface of the top plate requires a lot of man-hours, and the top plate may be distorted by welding. There is a problem that it takes time and effort for post-processing in order to prevent welding traces from remaining.

An object of the present invention is to solve such a problem.

[0005]

In order to achieve the above object, the present invention takes the following measures.
That is, the grill mounting structure according to the present invention is such that the grill is mounted via the holding frame to the opening provided on the exterior plate of the air conditioner or the like, and the holding frame is provided at the end of the opening. An end frame member having an attached end wall and a side wall; and an intermediate frame member attached to a long side portion of the opening so as to be continuous with the side wall of the end frame member. The frame member has an engaging portion on its outer surface side that engages with the opening edge of the opening by utilizing elastic deformation of the member, and the intermediate frame member has an opening edge of the opening portion on its outer surface side. It has a groove to be engaged, and a holding portion for holding a grill is provided at least on the inner surface side of the intermediate frame member.

In order to enhance the shape retention of the holding frame by installing a grill, an upward groove is provided in the holding portion, and
Preferably, a ridge provided on the edge of the grill can be detachably engaged with the groove.

[0007] When the grill is placed at the end of the opening, a holding portion continuous with the holding portion for the intermediate frame material may be formed on the inner surface of the side wall of the end frame material.

In the case where switches are arranged at the end of the opening, and a switch box for holding the switches can be easily attached, a groove is formed on the outer surface of the lower end of the end frame. In the groove, switch box 3
Preferably, an inward tongue formed on the side is engaged.

[0009]

With such a construction, the holding frame can be formed simply by fitting the frame material into the opening of the exterior plate from the inside, so that no welding is required. Therefore, not only can the welding process including positioning with a jig be omitted, but also distortion due to heat at the time of welding remains on the exterior plate and spot welding traces are not left at all.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to FIGS.

As shown in FIG. 1, an air discharge opening 3 is provided in a top plate 2 serving as an exterior plate of an air conditioner 1 installed near a window, and a plurality of grills are provided in the opening 3 via a holding frame 4. 6 is detachably held.

As shown in FIG. 2, the top plate 2 is made of sheet metal, and has a rectangular opening 3 formed at the center thereof by punching with a press.

The holding frame 4 has a pair of end frame members 41 attached to both ends 3a of the opening 3 and a side wall 41b of the end frame members 41, which is connected to the opening edge 31 of the opening 3. And a pair of intermediate frame members 42 attached to the long side portion 31a.

As shown in FIGS. 2, 3, 5, and 7, the end frame member 41 has a U-shape in plan view having an end wall 41a and a side wall 41b. It has a flange portion 41c that comes into contact with the upper surface side of the opening edge 31 of the portion 3.
The opening edge 31 of the opening 3 is formed on the outer surface side of the both side walls 41b.
Is provided with an engaging portion 41e that engages by utilizing elastic deformation of the member. The engaging portion 41e is provided at a predetermined position on the side wall 41b.
Only the lower end is formed integrally with an elastic claw 41f supported by the side wall 41b, and the outer surface of the elastic claw 41f is formed with an inclined guide surface 41g gradually approaching outward upward. When the end frame member 41 is pushed into the opening 3 from above, the opening edge 31 of the opening 3 slides against the inclined guide surface 41g, and the elastic claw 41f is elastically deformed in the inner surface direction. And the flange 41c has an opening edge 3
(1) At the stage of contact with the upper surface side, the sliding contact between the opening edge 31 and the inclined guide surface 41g is released, and the elastic claw 41f is moved to the opening edge 31.
To be engaged with the lower surface side.

As shown in FIGS. 2, 3 and 6, the intermediate frame member 42 has the opening 3 on its outer surface 42a at the upper end.
And a groove 42b fitted into the opening edge 31 from the inside. Further, the intermediate frame member has a holding portion 42d for holding the grill 6 on the inner surface 42c side. The pair of intermediate frame members 42 are made by cutting a long material having the same cross-sectional shape into a required length, and for example, an extruded product made of a synthetic resin is used. Holder 42d
Has an L-shaped cross section in which a groove 42f is provided on the base end side of the upper surface of the ridge 42e so that the ridge 61 provided on the edge of the grill 6 can be detachably fitted into the groove. is there.

In this embodiment, a holding portion 41d having an L-shaped cross section which is continuous with the holding portion 42d of the intermediate frame member 42 is also formed on the inner surface of the side wall of the end frame member 41. The grill 6 can also be placed continuously on 41.

The grill 6 has a square outer frame 62 and a slanted outer frame 62 in a certain direction, as in the prior art.
A plurality of guide plates 63 installed in the inside are made of synthetic resin and are integrally formed. On the lower surface of the outer frame, a ridge 61 fitted into the groove 42f of the holding portion 42d is integrally formed. It is set up. The length of one side of the grill 6 corresponds to the distance between the inner surfaces of the intermediate frame members 42 facing each other in parallel. The grill 6 is arranged between one end 4A of the holding frame 4 and the other end 4A.
It is mounted even near B. A switch box 7 is mounted on the other end 4B of the holding frame 7 on which the grill 6 is not placed.

As shown in FIG. 4, the switch box 7 is a flat housing having a bottom wall 71, an end wall 72, a side wall 73, and an inner wall 74. And its three sides, that is, the end wall 72
An inward tongue piece 75 protruding inward is provided integrally with the side wall 73. The switch box 7 is attached to the holding frame 4 by engaging the inward tongue pieces 75 with the grooves 41 h formed on the outer surface of the lower end of the end frame 41. An opening 76 for mounting the switch plate 8 is formed in the bottom wall 71 of the switch box 7. A lid 8 is disposed above the switch box 7.
The lid 9 is made of, for example, a synthetic resin, and is supported by the end frame member 41 via a support shaft 91 so as to be openable and closable.

With such a configuration, the holding frame 4 can be formed only by fitting the frame members 41 and 42 into the opening 3 of the top plate 2 from the inside. No welding is required. Therefore, not only can the welding process including positioning with a jig be omitted, but also distortion due to heat at the time of welding remains on the top plate and spot welding traces are not left at all. Moreover, since the end frame member 41 is integrally formed in a shape corresponding to the end shape of the opening 3, the shape retention of the entire holding frame 4 is good, and there is a gap between the ends in appearance. It will be excellent without.

An upward groove 42f is provided in the holding portion 42d of the intermediate frame member 42 so that the ridge 61 provided at the edge of the grill 6 can be detachably engaged with the groove 42f. Therefore, it is possible to prevent the lower end side of the intermediate frame member 42 from being separated by attaching the grill 6.

In addition, a groove 4 is formed on the outer surface of the lower end of the end frame material 41.
1h, and the switch box 7 is provided in the groove 41h.
Since the inward tongue pieces 75 formed on the three sides are engaged with each other, the switch box 7 can be easily attached to the end 3a of the opening 3 without special bolts or the like. .

In the embodiment described above, the case where the switch box is mounted on one end frame member has been described. However, the present invention is not necessarily limited to this. In this case, the grille may be provided in the entire area within the holding frame.

The shape of the frame member is not limited to the illustrated embodiment, but may be variously modified without departing from the spirit of the present invention.

[0024]

According to the present invention having the above-described structure, there is no need to weld any part to the top plate, so that not only the welding process including positioning with a jig can be omitted, but also the top plate can be omitted. Distortion due to heat at the time of welding remains on the plate, and spot welding traces are not left at all. In addition, since the end frame is integrally formed in a shape corresponding to the shape of the end of the opening, the shape of the entire holding frame is good, and the appearance is excellent with no gap at the end. It becomes something.

Also, if an upward groove is provided in the holding portion of the intermediate frame member, the ridge provided on the edge of the grill is engaged with the groove, and the lower end of the intermediate frame member is mounted by mounting the grill. It is possible to prevent the sides from separating from each other, and the shape retention of the holding frame can be enhanced.

In addition, if a groove is provided on the outer surface of the lower end of the end frame material, the inward tongues formed on the three sides of the switch box are engaged with the groove, and the switch box is inserted into the end of the opening. Can be easily installed.

Since the intermediate material is formed by cutting a long material having the same cross-sectional shape into a required length, the intermediate material having various lengths can be manufactured by a single mold. Is possible, and the efficiency in manufacturing parts can be improved.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an embodiment of the present invention.

FIG. 2 is an exploded perspective view showing a main part of the embodiment.

FIG. 3 is a perspective view showing the main part.

FIG. 4 is a perspective view showing the main part.

FIG. 5 is a sectional view taken along line AA in FIG. 3;

FIG. 6 is a sectional view taken along line BB in FIG. 5;

FIG. 7 is a sectional view taken along line CC in FIG. 5;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Air conditioner 2 ... Exterior plate 3 ... Opening 3a ... Opening end 3b ... Long side of opening 4 ... Holding frame 41 ... End frame material 41a ... End wall 41b ... Side wall 41d ... Holding part 41e ... Engaging part 41h Groove 42 Middle frame material 42a Outer surface 42b Groove 42c Inner surface 42d Holding part 42e Holding part groove 6 Grill 61 ... Grill ridge 7 Switch box 75 Inward tongue

Claims (4)

(57) [Claims] 1. A grill is mounted on an opening provided in an exterior plate of an air conditioner or the like via a holding frame, wherein the holding frame includes an end wall mounted on an end of the opening and An end frame member having a side wall, and an intermediate frame member attached to a long side portion of the opening so as to be continuous with the side wall of the end frame member. Side has an engaging portion that engages with the opening edge of the opening by utilizing elastic deformation of the member, and the intermediate frame member has a groove that engages with the opening edge of the opening on the outer surface side. And a holding portion for holding the grill at least on the inner surface side of the intermediate frame member. 2. The groove according to claim 1, wherein an upward groove is provided in the holding portion, and a ridge provided on an edge of the grill can be detachably engaged with the groove. Grill mounting structure. 3. The grill mounting structure according to claim 2, wherein a holding portion which is continuous with the holding portion of the intermediate frame material is also formed on the inner surface of the side wall of the end frame material. 4. A groove is provided on an outer surface of a lower end portion of the end frame material,
2. The grill mounting structure according to claim 1, wherein inward tongues formed on three sides of the switch box are engaged with the grooves.