JP3279019B2 - Air conditioner fan guard mounting device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fan guard mounting device for an air conditioner having a fan guard held in a blowing nozzle.

[0002]

2. Description of the Related Art A conventional fan guard device of this type will be described with reference to FIGS.

[0003] In FIGS.
Is an outlet nozzle that constitutes an outlet for indoor circulating air, 2 is an end plate located on the left and right sides of the outlet that connects the upper and lower frames 3 and 4 of the outlet nozzle 1, and 5 is an end plate that is located on the upper and lower frames 3 and 4 of the outlet nozzle 1. Board 2
A plurality of vertical ribs connected between them, 17 are fitting holes provided in the lower frame 4 of the blowing nozzle 1 for inserting and supporting a plurality of wind direction adjusting vanes 6 that can be driven in the left and right directions, respectively, and 16 is each wind direction adjusting vane. 6 is a connecting bar for linking 6; 13 is a fan guard provided in the blow-out nozzle 1 to protect a person from accidentally putting a finger or the like into contact with the rotating fan 9; End plates disposed at both ends, 8 are a plurality of horizontal rails constituting a fan guard 13 each having both ends fixed to an end plate 14, 9 is fixed perpendicularly to the horizontal rails 8 and regulates the horizontal rails 8 at the same pitch interval. Vertical rails 15 are grips for fitting each horizontal rail 8 to the vertical ribs 5 and fixing them. The arrows indicate the flow of indoor circulating air. Next, attachment of the conventional fan guard 13 will be described. End plates 14 fixed to both ends of the fan guard 13 are fitted and fixed to end plates 2 provided on the left and right sides of the outlet of the blow nozzle 1 from the front side of the blow nozzle 1 (downwind side of the circulating air). Is pressed from the front side of the blow-out nozzle to a vertical rib 5 connecting the upper and lower frames 3 and 4 of the blow-out nozzle 1 and a clip 15 is fitted to the vertical rib 5 from the outside thereof, and the fan guard 13 is blown out. It is fixed in 1.

[0004]

The conventional fan guard device of the air conditioner has been constructed as described above. However, in the above configuration, the fan guard has a specially shaped side plate, and a plurality of clips are used. Therefore, the assembly of the fan guard body and the installation of the fan guard into the blowing nozzle require a lot of man-hours and increase the mold cost. . Also, the front side of the blowing nozzle (downstream of the circulating air)
Further, since the fan guard is fitted and fixed, there is a danger that the fan guard may come off without using a tool, and there is a problem in terms of safety or safety standards.

[0005]

In order to solve the above-mentioned problems, the present invention provides a fan guard having a plurality of horizontal rails and a plurality of vertical rails perpendicular to the horizontal rails. In order to hold and fix from the back side (wind side of the circulating air) of the blowing nozzle connected by the vertical rib, a vertical rib of the blowing nozzle is provided with a supporting device for supporting a wind direction adjusting vane that can be driven vertically. A pair of right and left extensions formed integrally with the upper part of the support device by holding and fixing the fan guard to the slits provided in the extensions. The fan guard is held in the blow-out nozzle by inserting and engaging the ends of the horizontal and vertical cross-sections of the fan guard into mounting holes provided in the left and right side walls and the lower frame of the blow-out nozzle.

An extension and a slit formed by integral molding are formed on an upper portion of a support device for supporting a vertically movable wind direction adjusting vane for holding and fixing the fan guard in the blowout nozzle. By holding and engaging the upper horizontal rail of the fan guard and inserting and engaging the ends of the horizontal rail and the vertical rail of the fan guard into the mounting holes provided in the left and right side walls and the lower frame portion of the blowing nozzle. The fan guard is held in the blowing nozzle.

[0007] A pair of left and right extending portions and slits formed integrally by a supporting device for supporting a vertically movable wind direction adjusting vane for holding and fixing the fan guard in the blowing nozzle are formed on the upper side. And a lower rail of the fan guard is held and engaged with an upper slit of the support device, and a lower rail of the fan guard is held and engaged with a lower slit of the support device. Further, the ends of the horizontal rail and the vertical rail of the fan guard are inserted into and engaged with mounting holes provided in the lower frame part, thereby holding the fan guard in the blow-out nozzle.

[0008] Further, an extending portion and a slit formed by integral molding are formed on upper and lower portions of a supporting device for supporting a vertically operable wind direction adjusting vane for holding and fixing the fan guard in the blowing nozzle. The upper horizontal rail of the fan guard is held and engaged with the upper slit of the support device, and the lower horizontal rail of the fan guard is held and engaged with the lower slit of the support device. Further, the ends of the horizontal rail and the vertical rail of the fan guard are inserted into and engaged with mounting holes provided in the lower frame part, thereby holding the fan guard in the blow-out nozzle.

Further, in a supporting device for holding and fixing the fan guard in a blowing nozzle whose upper and lower frames are connected by a plurality of vertical ribs, an extending portion formed integrally with the upper portion of the vertical rib of the blowing nozzle, and the extending portion. The horizontal bar above the fan guard is held and engaged with the slit provided in the portion, and the ends of the horizontal bar and the vertical bar of the fan guard are inserted into the mounting holes provided in the left and right side walls of the blow nozzle and the lower frame portion. By combining them, the fan guard is held in the blowing nozzle.

In a supporting device for holding and fixing a fan guard in a blowing nozzle whose upper and lower frames are connected by a plurality of vertical ribs, an extended portion formed integrally with the upper and lower vertical ribs of the blowing nozzle, The upper and lower horizontal rails of the fan guard are held and engaged with the slits provided in the extending portion, and the horizontal rails and the vertical rails of the fan guard are mounted in the mounting holes provided in the left and right side walls and the lower frame part of the blowing nozzle. The fan guard is held in the blowing nozzle by inserting and engaging the end.

[0011]

The operation of the above means is as follows.

The fan guard device according to the present invention has an extension formed integrally with a support device of a wind direction adjusting vane that can be driven in the vertical direction and is attached to a vertical rib of a blowing nozzle, and a holding portion provided on the extension portion. An extension formed by integral molding with a slit or a vertical rib of the blow nozzle, and a horizontal rail of the fan guard is held and engaged with a holding slit provided in the extension, and further, left and right side walls of the blow nozzle And holding the fan guard in the blow-out nozzle by inserting and engaging the ends of the horizontal rail and the vertical rail of the fan guard into the mounting holes provided in the lower frame part. It can be easily and simply mounted and fixed in the blow-out nozzle without using it.

[0013]

1 to 3 show a first embodiment of the present invention.
Will be described.

In FIGS. 1 and 2, reference numeral 18 denotes a main body (indoor unit) of the air conditioner.
Is equipped with a heat exchanger 11 and a fan 9 for circulating indoor air (arrows), and a blowing nozzle 1 is mounted on the indoor air blowing portion. The blowing nozzle 1 is composed of an upper frame 3, a lower frame 4, a plurality of vertical ribs 5 connecting them, and left and right side walls 2, and is an integrally molded product of synthetic resin. Blow nozzle 1
A support device 7 for supporting a wind direction adjusting vane 12 that can be driven in the vertical direction is fitted to the plurality of vertical ribs 5, and a pair of left and right extending portions formed by integral molding on the upper portion of the support device 7, A holding slit 7b provided in the extension 7a is formed. Further, a plurality of wind direction adjusting vanes 6 for changing the wind direction of the blown air to the left and right are provided in parallel at regular intervals on the lower frame portion 4 of the blow nozzle 1 to support the wind direction adjusting vanes 6 in a drivable manner. Are provided. Behind the wind direction adjusting vane 6, a fan guard 13 for protecting a person from accidentally putting a finger or the like into contact with the rotating fan 9 is held in the blowing nozzle 1 as described later. I have.

Further, mounting holes 4a and 2a for inserting and fixing the fan guard 13 are provided in the lower frame portion 4 and the left and right side wall portions 2 of the blowing nozzle 1. The arrows indicate the flow of indoor circulating air.

The fan guard 13 is provided with a plurality of vertical rails 8 having a length slightly shorter than the width in the left-right direction of the outlet of the blow-out nozzle 1, and a plurality of vertical rails which regulate the pitch interval of the horizontal rails 8. 9 is fixed perpendicular to the horizontal rail 8. The fan guard 13 of this embodiment is attached to the blowing nozzle 1 by a pair of right and left extending portions 7 integrally formed on a support device 7 for supporting a wind direction adjusting vane 12 which can be driven in the vertical direction.
a, the fan guard 13 is engaged with the holding slit 7b provided in the extension portion 7a by holding and engaging the horizontal rail 8 above the fan guard 13 from the back side of the blowing nozzle 1 (upward of the circulating air). Left and right side walls 2 and lower frame 4 of nozzle 1
The fan guard 13 is held and fixed in the blow-out nozzle 1 by inserting and engaging the horizontal beam end 8a and the vertical beam end 9a of the fan guard into the mounting holes 2a, 4a provided in the fan guard.

Next, a second embodiment of the present invention will be described with reference to FIG. In the first embodiment, a pair of left and right extending portions 7a and holding slits 7b integrally formed on the upper portion of the supporting device 7 for supporting the wind direction adjusting vane 12 that can be driven in the vertical direction are described. According to the present invention, an extended portion 7 formed by integral molding on
a and the holding slit 7b are one piece on one side. The configuration of the second embodiment other than that described above is the same as that of the first embodiment.

Next, a third embodiment of the present invention will be described with reference to FIG. In the first embodiment, a pair of left and right extending portions 7a and holding slits 7b formed integrally with a support device 7 for supporting a wind direction adjusting vane 12 that can be driven in the vertical direction are formed by the support device 7. Although provided only on the upper part, the present invention is provided with a pair of left and right extending portions 7a and holding slits 7b formed integrally with the support device 7 at the upper and lower portions of the support device 7.

The fan guard 13 of this embodiment is attached to the blow-out nozzle 1 by a vertically adjustable wind direction adjusting vane 1.
A pair of left and right extending portions 7a formed integrally with the upper part of a supporting device 7 for supporting the fan 2 and the fan guard 13 in the holding slit 7b provided in the extending portion 7a.
The horizontal rail 8 above the fan guard 13 is held and engaged from the back side (windward side of the circulating air), and a pair of right and left extending portions 7a and 7a formed integrally with the lower part of the support device 7 are formed. The fan guard 1 is provided in the holding slit 7b provided in
3 is held and engaged.

The configuration of the third embodiment other than that described above is the same as that of the first embodiment. Next, a fourth embodiment of the present invention will be described with reference to FIG. In the first embodiment, the extension 7a and the holding slit 7b formed integrally with the support device 7 for supporting the wind direction adjusting vane 12 that can be driven in the vertical direction are formed on the upper portion of the support device 7 in the left and right directions. Although the present invention is not limited to the pair, the present invention is not limited to this.
b is provided on the upper and lower portions of the support device 7, and the extension 7a and the holding slit 7b provided on the support device 7 are formed as one piece on one side.

The fan guard 13 of this embodiment is attached to the blowing nozzle 1 by a vertically adjustable wind direction adjusting vane 1.
The fan guard 13 is blown out of the nozzle 1 by a single-sided extending portion 7a formed integrally with the supporting device 7 for supporting the fan 2 and a holding slit 7b provided in the extending portion 7a.
The horizontal rail 8 above the fan guard 13 is held and engaged from the back side (windward side of the circulating air), and a single-sided extension 7a, extension 7a formed integrally with the lower part of the support device 7 is formed. The fan guard 1 is provided in the holding slit 7b provided in
3 is held and engaged.

The configuration of the fourth embodiment other than that described above is the same as that of the first embodiment. Next, the fifth embodiment of the present invention
The embodiment will be described with reference to FIGS.

The blowing nozzle 1 is composed of an upper frame 3, a lower frame 4, a plurality of vertical ribs 5 connecting them, and left and right side walls 2, and is an integrally molded product of synthetic resin. A support device 7 for supporting a wind direction adjusting vane 12 that can be driven in the vertical direction is fitted to the plurality of vertical ribs 5 of the blow-out nozzle 1.
A retaining slit 5b provided in an extension 5a formed by integral molding above the plurality of vertical ribs 5 of the blow-out nozzle 1.
Are formed. Further, mounting holes 4 a and 2 a for inserting and engaging the fan guard 13 are provided in the lower frame portion 4 and the left and right side wall portions 2 of the blowing nozzle 1. The arrows indicate the flow of indoor circulating air. The fan guard 13 includes a plurality of horizontal rails 8 having a length slightly shorter than the width in the left-right direction of the outlet of the blowing nozzle 1, and a plurality of vertical rails 9 for regulating the pitch interval of the horizontal rails 8. It is fixed perpendicular to the bar 8. The fan guard 13 of this embodiment is attached to the blow-out nozzle 1 by an extension 5a formed integrally with the upper part of the plurality of vertical ribs 5 of the blow-out nozzle 1 and a holding slit 5b provided in the extension 5a. The fan guard 13 is provided on the left and right side walls 2 and the lower frame portion 4 of the blowing nozzle 1 while holding and engaging the horizontal rail 8 above the fan guard 13 from the back side of the blowing nozzle 1 (upward of the circulating air). Mounting hole 2
The fan guard 13 is held and fixed in the blow-out nozzle 1 by inserting and engaging the horizontal rail end 8a and the vertical rail end 9a of the fan guard with the a and 4a.

Next, a sixth embodiment of the present invention will be described with reference to FIG. In the fifth embodiment, the extended portions 5a and the holding slits 5b formed integrally with the plurality of vertical ribs 5 of the blowing nozzle 1 are provided only as upper portions. An extension portion 5a formed integrally with the vertical rib 5 and a holding slit 5b provided in the extension portion 5a are provided above and below the vertical rib 5.

The construction of the sixth embodiment other than that described above is the same as that of the fifth embodiment.

[0026]

As is apparent from the above embodiment, the present invention is intended to support a vertically movable wind direction adjusting vane which is fitted to a plurality of vertical ribs connecting an upper frame and a lower frame of a blowing nozzle. The extension formed integrally with the supporting device, the holding slit provided in the extension, or the plurality of vertical ribs of the blowing nozzle, the extension formed by integral molding, the extension The holding slit provided in the extension of the support device for supporting the wind direction adjusting vane is provided with a holding slit provided and a horizontal rail of a fan guard constituted by a horizontal rail and a vertical rail, or The holding slits provided on the plurality of vertical ribs of the nozzle are held and engaged from the back side of the blow-out nozzle (windward side of the circulating air), and the fangers are fitted into mounting holes provided on the left and right side walls of the blow-out nozzle and a lower frame portion. Since the horizontal and vertical rails are inserted and engaged to hold and fix the fan guard in the blowing nozzle, there is no need to provide a special side plate on the fan guard and no need for fixing clips etc. The assembly of the guard body and the incorporation of the fan guard into the blow-out nozzle are also simple and simple, and there is no need for special extra parts, so the required minimum mold cost is required and the cost is low. Furthermore, the blow nozzle is on the back side (upward of the circulating air).
Since the fan guard is fitted and fixed, a plurality of vertical ribs of the blowing nozzle, or a support device for supporting the wind direction adjusting vane, makes it impossible to remove the fan guard without using a tool. It can be prevented and does not pose a problem in terms of safety or safety standards.

[Brief description of the drawings]

FIG. 1 is a sectional view showing an indoor unit of an air conditioner equipped with a fan guard mounting device according to a first embodiment of the present invention.

FIG. 2 is a detailed enlarged view of the fan guard mounting device.

FIG. 3 is a configuration diagram of the fan guard support device.

FIG. 4 is a configuration diagram of a fan guard support device showing the second embodiment.

FIG. 5 is a configuration diagram of a fan guard support device showing the third embodiment.

FIG. 6 is a configuration diagram of a fan guard supporting device according to a fourth embodiment.

FIG. 7 is a sectional view showing an indoor unit of an air conditioner equipped with a fan guard mounting device according to the fifth embodiment.

FIG. 8 is a detailed enlarged view of the fan guard mounting device.

FIG. 9 is a partial cross-sectional view showing a blowing nozzle provided with the fan guard mounting device.

FIG. 10 is a partial cross-sectional view showing a blow nozzle including a fan guard mounting device according to the sixth embodiment.

FIG. 11 is an exploded perspective view showing a conventional fan guard mounting device.

FIG. 12 is a sectional view showing a state where the fan guard is incorporated.

FIG. 13 is a sectional view of the same.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Blowing nozzle 2 Side wall of blowing nozzle 2a Mounting hole provided in side wall of blowing nozzle 4 Lower frame of blowing nozzle 4a Mounting hole provided in lower frame of blowing nozzle 5 Vertical rib 5a Extension formed in vertical rib 5b Extension 7 A holding slit provided in the section 7 A wind direction adjusting vane supporting device 7a An extension formed in the wind direction adjusting vane supporting device 7b A holding slit provided in the extending portion 8 A horizontal rail 8a of the fan guard 8a A horizontal rail end 9 Vertical beam 9a Vertical beam end 13 Fan guard body

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. ⁷ , DB name) F24F 1/00

Claims (6)

(57) [Claims] 1. A fan guard having a plurality of horizontal rails and a plurality of vertical rails orthogonal to the horizontal rails is fixed to an outlet nozzle having upper and lower frames connected by a plurality of vertical ribs. A supporting device for supporting a wind direction adjusting vane capable of driving in a direction is held and fixed to a vertical rib of the blowing nozzle, and the fan guard is provided on a slit provided in a pair of left and right extending portions integrally formed on the supporting device. And holding and fixing the fan guard by means of mounting holes formed in the left and right side walls and the lower frame portion of the blowing nozzle. 2. An extended portion and a slit formed on an upper portion of a supporting device for supporting a vertically operable wind direction adjusting vane for holding and fixing a fan guard in a blowing nozzle. The fan guard mounting device for an air conditioner according to claim 1, wherein: 3. An extension and a slit formed integrally with a support device for supporting a vertically operable wind direction adjusting vane for holding and fixing a fan guard in a blowing nozzle. The fan guard mounting device for an air conditioner according to claim 1, wherein the fan guard mounting device is a pair. 4. An extending portion and a slit formed integrally with a supporting device for supporting a vertically operable wind direction adjusting vane for holding and fixing a fan guard in a blowing nozzle. The fan guard mounting device for an air conditioner according to claim 1, wherein the fan guard mounting device is a piece. 5. A slit provided in an extended portion formed integrally with the upper portion of the vertical rib of the blow nozzle in a supporting device for holding and fixing the fan guard in the blow nozzle having upper and lower frames connected by a plurality of vertical ribs. 2. The air conditioner according to claim 1, wherein a horizontal rail of the fan guard is held and engaged with the fan guard, and the fan guard is held and fixed by mounting holes provided in left and right side walls and a lower frame portion of the blowing nozzle. Fan guard mounting device. 6. A supporting device for holding and fixing a fan guard in a blowing nozzle whose upper and lower frames are connected by a plurality of vertical ribs. An extending part and a slit formed integrally with the upper and lower vertical ribs of the blowing nozzle. 2. The air conditioner according to claim 1, wherein a horizontal rail of the fan guard is held and engaged with the fan guard, and the fan guard is held and fixed by mounting holes provided in left and right side walls and a lower frame portion of the blowing nozzle. Fan guard mounting device.