JP2001065907A - Indoor machine of air-conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent a working protrusion from hooking at the lever of a mechanical switch. SOLUTION: This indoor machine is provided with a front panel 1 and a suction grill 2. The suction grill 2 is mounted on the front of the front panel 1 in a manner to be closable through oscillation around a spindle P on the upper end side. A mechanical type switch 7 is situated on the front panel 1 in a position situated below in front of the spindle P and a working protrusion is formed on the suction grill 2 side. The switch 7 performs ON and OFF of a power source for a given electric part exposed to the front side of the front panel 1, and the working protrusion 8 turns ON and OFF the switch 7 along with closing/opening of the suction grill 2. The switch 7 is provided with a lever 74 pressed by the working protrusion 8 and turns ON and OFF according to oscillation of the lever 74. This switch 7 is situated such that an oscillation direction S2 of the lever 74 parallels an oscillation direction S1 of the suction grill 2.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of closing a suction grill.
The present invention relates to an indoor unit of an air conditioner provided with a lever-type switch for turning on / off a power supply to a predetermined electric component with opening.

[0002]

2. Description of the Related Art FIG. 6 shows a general indoor unit of an air conditioner to which the present invention is applied. In FIG. 6, the indoor unit of the air conditioner includes a front panel 1 and a suction grill 2. The suction grill 2 is connected to the front panel 10 of the front panel 1.
Is mounted so that it can be opened and closed by swinging around a support shaft on the upper end side.

Further, the indoor unit is provided with an electrostatic precipitating air purifier (predetermined electric parts) 6 exposed on the front surface 10 side of the front panel 1. That is, this air purifier 6
Is arranged further forward than the air filter 9 which covers the front side of the indoor heat exchanger (not shown), so that a person's hand can touch it with the suction grill 2 opened.

In such an indoor unit of an air conditioner, when the air purifier 6 and the air filter 9 are attached / detached, electric shock is prevented when a person touches the electrostatic precipitating air purifier 6. There is a need to. Therefore, as shown in FIG.
A system using a mechanical switch 7 'for turning on / off the power supply to the air purifier 6 with closing / opening of the suction grill 2 has been proposed (Japanese Patent Application No. 10-26704).
5).

In this indoor unit of the air conditioner, a mechanical switch 7 'is provided on the front panel 1 side, and an operation projection 8 "is provided on the suction grill 2 side. As shown in FIG. The switch 7 'has an elongated plate-like lever 74 pressed by the operating projection 8, and is configured to be turned on / off in response to the swing of the lever 74. In this case, the switch 7' Swing direction S of lever 74
3 is arranged so as to be orthogonal to the swing direction S1 of the suction grille 2.

[0006]

The above-mentioned conventional indoor units of the air conditioner have the following problems.

That is, since the switch 7 'is arranged so that the swing direction S3 of the lever 74 is orthogonal to the swing direction S1 of the suction grille 2, the operation projection 8 "of the switch 7' with respect to the width direction of the lever 74 is provided. The movement amount and the change in the contact angle of the operation projection 8 ″ with respect to the surface of the lever 74 become large (see FIG. 7B). For this reason, there is a possibility that the operation projection 8 ″ may be caught by the lever 74 of the switch 7 ′, thereby causing breakage or malfunction of the switch 7 ′. In particular, the positions of the switch 7 ′ and the operation projection 8 ″ are located forward from the support shaft. 7C, the tendency is further increased as shown in FIG.

SUMMARY OF THE INVENTION The present invention has been made in view of the above points, and an indoor unit of an air conditioner capable of preventing an operation protrusion from being caught on a switch lever and avoiding breakage and malfunction of the switch. The main purpose is to provide.

[0009]

A first means is a front panel, predetermined electric parts exposed on the front side of the front panel, and a mechanical switch for turning on / off the power to the electric parts. A suction grille attached to the front surface of the front panel so as to be openable and closable by swinging about a support shaft, and a switch for turning on / off the switch in accordance with closing / opening of the suction grille. An operating projection, and the switch is provided on one of the front panel and the suction grill, the operating projection is provided on the other, and the switch has a lever pressed by the operating projection, The lever is configured to be turned on / off in response to the swing of the lever, and is arranged so that the swing direction of the lever is parallel to the swing direction of the suction grill. A indoor unit of an air conditioner wherein the indoor unit of the air conditioner.

According to the first means, since the switches are arranged so that the swinging direction of the lever is parallel to the swinging direction of the suction grill, the switches are so arranged that their swinging directions are substantially orthogonal to each other. The possibility that the operation protrusion is caught on the lever of the switch can be greatly reduced as compared with the case where the switch is disposed.

A second means is the first means, wherein the suction grill has a grill main body, an additional grill member partially covering a surface of the grill main body, and the additional grill member of the grill main body. The operation projection is provided on the back surface of the portion covered by the above.

According to the second means, in the first means, when the operation projection is integrally formed on the grill main body with the synthetic resin, a "recess" generated on the surface of the grill main body corresponding to the operation projection is added. It can be concealed by a grill member.

The third means is the first or second means, wherein the suction grill has a grill main body and an arm portion provided on the back side of the grill main body and supporting the support shaft. The operating projection is provided on an arm portion.

According to this third means, in the first or second means, when forming the suction grille with a synthetic resin, when the operation protrusion is integrally formed on the grill body itself, the operation protrusion is formed on the surface of the grill body. The "sink" that occurs (corresponding to the protrusion) can be avoided.

A fourth means is the third means, wherein in the arm portion of the suction grill, the support shaft and the operation projection are formed by the same mold slide structure. .

According to the fourth means, in the third means, the operation projection can be formed longer (in the axial direction of the support shaft) without complicating the mold structure. For this reason, even if a slight displacement of the operation projection with respect to the switch (in the axial direction of the support shaft) occurs due to an error during assembly or the like, this can be absorbed. Further, the degree of freedom of the formation position of the operation projection on the arm portion can be increased.

[0017]

Next, an embodiment of the present invention will be described with reference to the drawings. 1 to 5 are diagrams showing an embodiment of an indoor unit of an air conditioner according to the present invention. Note that, in the embodiment of the present invention shown in FIGS.
The same components as those of the indoor unit of the general air conditioner shown in FIG. 6 are denoted by the same reference numerals, and will be described with reference to FIG. 6 as appropriate.

[First Embodiment] First, a first embodiment of the present invention will be described with reference to FIGS. 1, 2 and 6. FIG.

<Configuration> Referring to FIGS. 1 and 6, the indoor unit of the air conditioner includes a front panel 1 and a suction grill 2. The suction grill 2 is attached to the front surface 10 of the front panel 1 so as to be freely opened and closed by swinging around a support shaft P on the upper end side.

As shown in FIG. 6, the indoor unit is provided with an electrostatic precipitating air purifier (predetermined electric parts) 6 exposed on the front surface 10 side of the front panel 1. That is, the air purifier 6 is disposed further forward than the air filter 9 that covers the front side of the indoor heat exchanger (not shown).
A person's hand can be touched with the suction grill 2 opened.

Next, as shown in FIG. 1, in the indoor unit of this embodiment, a mechanical switch 7 is provided on the front panel 1 side below the support shaft P, and an operation projection 8 is provided on the suction grill 2 side. Is provided. The mechanical switch 7 is for turning on / off the power to the electric dust collecting air purifier (predetermined electric component) 6. The operating projection 8 is
This is for turning on / off the mechanical switch 7 with the closing / opening of the suction grill 2.

That is, the indoor unit of the air conditioner prevents electric shock when a person touches the electrostatic precipitating air purifier 6 when the air purifier 6 and the air filter 9 are attached and detached. From the viewpoint, the power supply of the air purifier 6 can be turned on / off with the closing / opening of the suction grill 2.

As shown in FIGS. 1 and 2, the mechanical switch 7 has an elongated plate-like lever 74 which is pressed by the operation projection 8,
It is configured to be turned on / off in response to the swing of No. 4. In this case, the switch 7 moves the lever 74 in the swing direction S.
2 are arranged so as to be parallel to the swing direction S1 of the suction grille 2.

As shown in FIG. 2, the switch 7 has a main body 70 having a built-in contact and a plunger 72 projecting from the front surface of the main body 70. Also,
The lever 74 is swingably attached to the front side of the main body 70. When the plunger 72 is pressed / released by the swing of the lever 74, the switch 7 is pressed.
Are turned on / off.

<Function and Effect> Next, the function and effect of this embodiment having the above-described configuration will be described.

According to this embodiment, the mechanical switch 7
Are arranged such that the swinging direction S2 of the lever 74 is parallel to the swinging direction S1 of the suction grill 2, so that the movement of the operation projection 8 in the width direction of the lever 74 and the surface of the lever 74 The contact angle of the operation projection 8 does not change (see FIG. 2B). (This is not affected by the direction and distance of the switch 7 and the operating projection 8 from the support shaft P.) Therefore, the swing direction of the lever of the mechanical switch is substantially orthogonal to the swing direction S1 of the suction grill 2. , The possibility that the operation protrusion 8 is caught on the lever 74 of the switch 7 can be greatly reduced. (Especially, when the switch 7 and the operation protrusion 8 are separated from the support shaft P forward, the difference becomes large.) Therefore, the damage and malfunction of the switch 7 are effectively prevented, and the safety is further improved. Indoor unit of an air conditioner with high performance can be provided.

<Modification> In the present embodiment, the case where the mechanical switch 7 is provided on the front panel 1 side and the operation projection 8 is provided on the suction grill 2 side has been described. , Mechanical switch 7 on suction grill 2 side
May be provided, and the operation protrusion 8 may be provided on the front panel 1 side.

[Second Embodiment] Next, FIG. 3 and FIG.
A description will be given of a second embodiment of the present invention with reference to FIG.

<Configuration> In this embodiment, a suction grill 2 as shown in FIGS.
A is different from the above-described first embodiment in that A is provided, and the other configuration is the same as the above-described first embodiment shown in FIGS. 1 and 2.

Specifically, the suction grill 2A of the present embodiment
Is, as shown in FIGS. 3 and 4, a grill main body 20;
An additional grill member 22 is attached to cover the upper surface of the grill main body 20. As shown in FIG. 4, the operation protrusion 8 is provided on the back surface of the upper portion of the grill main body 20 covered with the additional grill member 22.

<Function and Effect> Next, the function and effect of the present embodiment having the above-described configuration will be described.

According to the present embodiment, when the operating projections 8 are integrally formed on the grill main body 20 with synthetic resin, the “sink” generated on the surface of the grill main body 20 corresponding to the operating projections 8.
20a (see FIG. 4) can be obscured by the additional grill member 22. For this reason, the appearance quality of the suction grill 2A can be improved.

[Third Embodiment] Next, a third embodiment of the present invention will be described with reference to FIG.

<Structure> The present embodiment differs from the first embodiment in that a suction grill 2B as shown in FIG. 5 is provided in place of the suction grill 2, and other structures are the same as those of FIG.
This is the same as the first embodiment shown in FIG.

Specifically, the suction grill 2B of the present embodiment
As shown in FIG. 5, a grill main body 24 and a pair of left and right arm portions 26 provided on the back side of the grill main body 24 are provided.
And The support shaft P, which protrudes toward the side of the indoor unit, is integrally formed at the tip of each arm 26.

An operating projection 8 'is provided on one of the arms 26 (in this case, on the right side as viewed from the front of the indoor unit). In this case, in the arm portion 26, the support shaft P and the operation protrusion 8 'are configured so as to be formed by the same mold slide structure. That is, both the support shaft P and the operation protrusion 8 'extend with a predetermined draft toward the right side of the indoor unit (in the mold sliding direction).

<Function and Effect> Next, the function and effect of this embodiment having the above-described configuration will be described.

As described in the <Effects and Effects> of the second embodiment, when the suction grill 2B is formed of synthetic resin, if the operation protrusion is integrally formed on the grill main body 24 itself, the surface of the grill main body 24 is formed. A “sink” corresponding to the actuation protrusion occurs.

However, according to the present embodiment, since the operating projection 8 'is provided on the arm portion 26 of the suction grill 2B, there is no occurrence of "sink" due to the operating projection 8' on the grill main body 24 itself. For this reason, the appearance quality of the suction grill 2B can be improved.

In the arm 26, the support shaft P and the operating projection 8 'are configured so as to be formed by the same mold slide structure, so that the operating projection 8 can be formed without complicating the mold structure. 'Can be formed longer (in the axial direction of the support shaft P).

For this reason, even if a slight displacement of the operation projection 8 'with respect to the switch 7 (in the axial direction of the support shaft P) due to an error at the time of assembly or the like can be absorbed. In addition, the degree of freedom of the formation position of the operation protrusion 8 'on the arm portion 26 can be increased.

[0042]

According to the present invention, it is possible to greatly reduce the possibility that the operation projection is caught on the switch lever, so that damage and malfunction of the switch can be effectively prevented, and the safety can be further improved. An indoor unit of a high air conditioner can be provided.

[Brief description of the drawings]

FIG. 1 is a first view of an indoor unit of an air conditioner according to the present invention.
It is a figure which shows Embodiment, Comprising: The cross-sectional view which shows only the principal part of the internal structure of the said indoor unit.

2A is a diagram showing the swing of the lever of the mechanical switch in the indoor unit shown in FIG. 1, and FIG. 2B is a diagram of the swing of the lever shown in FIG.

FIG. 3 is a second view of the indoor unit of the air conditioner according to the present invention.
The perspective view showing the suction grille of an embodiment.

FIG. 4 is a cross-sectional view of a main part of the suction grill shown in FIG. 3;

FIG. 5 is a third view of the indoor unit of the air conditioner according to the present invention.
It is a figure which shows Embodiment and is a perspective view which shows the arm part periphery in the suction grill of the said indoor unit.

FIG. 6 is a perspective view showing an indoor unit of a general air conditioner to which the present invention is applied, with a suction grill being opened and partially cut away.

FIG. 7A is a diagram showing swinging of a lever of a mechanical switch in an indoor unit of a conventional air conditioner, and FIG.
FIG. 3C is a view of the swing of the lever shown in FIG.
(B) when the switch is away from the spindle forward
FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Front panel 10 Front 2 Suction grill 2A Suction grill 20 Grill main body 22 Additional grill member 2B Suction grill 24 Grill main body 26 Arm part 6 Electric parts 7 Mechanical switch 74 Lever 8,8 'Actuating projection P Support shaft S1 Sway of suction grill Movement direction S2 Lever swing direction in switch

Claims (4)

[Claims] 1. A front panel, predetermined electric components exposed on the front side of the front panel, a mechanical switch for turning on / off a power supply for the electric components, and a front panel of the front panel. A suction grill attached so as to be openable and closable by swinging about a support shaft, and turning on / off the switch in accordance with closing / opening of the suction grill.
An operating projection for turning off the switch, and the switch is provided on one of the front panel and the suction grill, and the operating projection is provided on the other, and the switch is a lever pressed by the operating projection. And is configured to be turned on / off in response to the swing of the lever, and is arranged so that the swing direction of the lever is parallel to the swing direction of the suction grille. The indoor unit of the air conditioner. 2. The suction grill includes a grill main body, and an additional grill member that partially covers a surface of the grill main body, and the operation body is provided on a back surface of a portion of the grill main body that is covered by the additional grill member. The indoor unit of an air conditioner according to claim 1, wherein a projection is provided. 3. The suction grill includes a grill main body, and an arm portion provided on a back side of the grill main body to support the support shaft, wherein the arm portion is provided with the operating projection. The indoor unit of an air conditioner according to claim 1, wherein: 4. The air conditioner according to claim 3, wherein in the arm portion of the suction grill, the support shaft and the operation projection are configured to be formed by the same mold slide structure. Indoor unit.