JP2001124368A - Outdoor unit for air conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an outdoor unit for an air conditioner capable of reducing a cost by decreasing number of components and an assembling man-hours. SOLUTION: A valve mounting surface 8 is formed at the central part of a closed valve mounting plate 1. A support part 13 formed to protrude by punching the part of the plate 1 is provided at the surface 8. The part 13 has an opening 17 at its upper side, and is formed at its lower side with a bag-like state. A protrusion 14 formed to protrude by pressing the plate 1 is provided at the opening 17 side of the part 13. A first mounting leg 15 of a liquid closing valve 21 is inserted from above along the surface 8 into the part 13. The protrusion 14 is brought into contact from an opposite opening side to the leg 15 inserted into the part 13. Thus, the leg 15 is fixed to the surface 8. A second mounting leg 16 is clamped at the surface 8 by a screw 20.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an outdoor unit for an air conditioner.

[0002]

2. Description of the Related Art FIG. 6 is an exploded perspective view showing an outdoor unit of a conventional air conditioner. Here, in order to simplify the drawing and facilitate understanding, members such as a front panel, a blower fan, and an electrical component box are omitted. In the outdoor unit, the bottom plate 42
A closing valve mounting plate 41 is mounted on the side of the bottom plate by spot welding or the like to form a bottom frame. And the heat exchanger 44, the compressor 43, etc. are provided in this bottom frame,
Furthermore, a side plate 4 that covers the compressor 43 from the side and the back side.
5 is attached. A cutout 46 is formed in the side plate 45, and the stop valve attached to the stop valve mounting plate 41 is exposed from the cutout 46 to the outside.

FIG. 5 is a front view showing the closing valve mounting plate 41. As shown in FIG. The closing valve mounting plate 41 has a mounting hole 35 for mounting the liquid closing valve 47 and a mounting hole 36 for mounting the gas closing valve 48, which are vertically long and short in the horizontal direction. I have. The liquid shut-off valve 47 includes two mounting legs 37 and 38 extending in directions opposite to each other along the mounting surface 50, and the gas shut-off valve 48 similarly includes the mounting legs 39 and 40. And each mounting leg 37,3
8, 39, 40 are fixed to the mounting surface 50 by screws 49, so that the closing valves 47, 48 are connected to the closing valve mounting plate 41.
Attached to.

[0004]

In the above-mentioned outdoor unit, each of the closing valves 47 and 48 is mounted on the closing valve mounting plate 41.
Each requires two screws 49, 49. Therefore, a total of four screws 49 are required to attach the liquid shutoff valve 47 and the gas shutoff valve 48. For this reason, the number of parts is increased, and a relatively time-consuming step of fastening screws is required, which causes a problem of an increase in cost.

An object of the present invention is to solve the above-mentioned conventional problems, and an object of the present invention is to reduce the number of parts and the number of assembling steps, thereby reducing the cost of an outdoor unit of an air conditioner. Is to provide.

[0006]

Therefore, the outdoor unit of the air conditioner according to the present invention has a mounting leg 15 extending along the mounting surface 8, and the mounting leg 15 is fixed to the mounting surface 8 and closed. In an outdoor unit of an air conditioner provided with a closing valve 21 attached to the valve mounting plate 1, the closing valve mounting plate 1 is provided with a receiving portion 13 through which the mounting leg 15 can be inserted along the mounting surface 8. The mounting leg 15 is inserted into the receiving portion 13 and the mounting leg 15 is fixed to the mounting surface 8.

In the outdoor unit of the air conditioner according to the first aspect,
The mounting leg 15 is fixed to the mounting surface 8 by the receiving portion 13. Therefore, parts such as screws that were required in the past can be reduced,
Also, screwing work and the like can be omitted.

In the outdoor unit of the air conditioner of the second aspect, the receiving portion 13 is formed so as to have an opening 17 at one side thereof so that the mounting leg 15 can be inserted through the opening 17 and the mounting portion is mounted on the receiving portion. The surface 8 is provided with a projection 14 that comes into contact with the mounting leg 15 inserted into the receiving portion 13 from the opening 17 side.

In the outdoor unit of the air conditioner according to the second aspect,
The detachment of the mounting leg 15 from the receiving portion 13 can be prevented by the projection. Therefore, the mounting leg 1 by the receiving portion 13
5 can be securely fixed to the mounting surface 8.

The outdoor unit of the air conditioner according to claim 3 is
The receiving portion 13 and the projection 14 are characterized by being formed integrally with the closing valve mounting plate 1 by processing the closing valve mounting plate 1.

[0011] In the outdoor unit of the air conditioner according to the third aspect,
Since the receiving portion 13 and the projection 14 are formed by processing the closing valve mounting plate 1, it is possible to avoid an increase in the number of components due to this structure.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, specific embodiments of the outdoor unit of the air conditioner of the present invention will be described in detail with reference to the drawings.

FIG. 4 is a perspective view showing a bottom frame composed of a closing valve mounting plate 1 and a bottom plate 2 and a side plate 11 mounted on the bottom frame in the outdoor unit.
The closing valve mounting plate 1 in this outdoor unit is short in the vertical direction and long in the horizontal direction. A valve mounting surface 8 is formed at a central portion thereof so as to protrude outward from the outdoor unit. Further, the side plate 11 is attached so as to cover a compressor and the like installed in the outdoor unit from the side and the back side, and forms an outdoor unit casing. At the lower part of the side surface of the side plate 11, there is provided a notch 12 cut out in substantially the same shape as the outer shape of the valve mounting surface 8. So this notch 1
2 so that the side plate 11
To the bottom frame. Then, the outer peripheral surface of the closing valve mounting plate 1 overlaps the inner peripheral surface of the notch 12, and the valve mounting surface 8 is exposed from the notch 12 to the side of the outdoor unit casing.

FIG. 1 is a front view of the closing valve mounting plate 1, and FIG. 2 is a sectional view taken along line AA of FIG. FIG. 3 is a side view of the closing valve mounting plate 1. Each figure shows the closing valve mounting plate 1 with the liquid closing valve 21 mounted. As described above, the valve mounting surface 8 protruding outward from the outdoor unit is formed at the center of the closing valve mounting plate 1. A connecting portion 9 that obliquely connects between the valve mounting surface 8 and the plate surface of the closing valve mounting plate 1 is formed so as to surround the periphery of the valve mounting surface 8. Further, a first mounting hole 5 for mounting a gas closing valve (not shown) and a second mounting hole 6 for mounting a liquid closing valve 21 are arranged in the closing valve mounting plate 1 in a horizontal direction. Is provided. From both of these mounting holes 5 and 6, valve insertion passages 18 and 19 are provided toward the upper end of the closing valve mounting plate 1, respectively. Further, on both sides of the valve mounting surface 8, ribs 3, 4 extending vertically from the lower end of the upright edge 7 formed on the bottom plate 2 to the upper portion of the closing valve mounting plate 1 are provided. These ribs 3, 4
The first rib 3, which has a substantially semicircular cross section so as to be depressed toward the inside of the outdoor unit, is provided on the first mounting hole 5 side,
It is formed thicker than the second rib 4 provided on the second mounting hole 6 side.

The liquid closing valve 21 penetrates through the second mounting hole 6 and is connected to a refrigerant circuit in the outdoor unit. This liquid shutoff valve 2
1 is a first extending in opposite directions along the mounting surface.
A mounting leg 15 and a second mounting leg 16 are provided. By fixing these mounting legs 15 and 16 to the valve mounting surface 8, the valve body 26 is positioned on the extension of the second mounting hole 6 and mounted on the closing valve mounting plate 1. The liquid closing valve 21 has a valve cover 23 at the tip of the valve body 26 and a connection pipe 24 substantially orthogonal to the valve body 26.
The connection tube 24 is provided with a flare nut 2
2 are installed. And this flare nut 22
Thus, the communication pipe connected between the outdoor unit and the indoor unit is attached to the liquid shutoff valve 21, and the communication and the shutoff of the refrigerant are switched by the rotation of the operation unit inside the valve lid 23. I have. The gas shut-off valve has the same configuration as the liquid shut-off valve 21, although not shown for simplification of the drawing and for easy understanding.

On the oblique side of the first mounting hole 5 of the closing valve mounting plate 1, screw holes 10, 10 for fixing mounting legs of the gas closing valve are respectively provided. The gas shut-off valve is inserted into the first mounting hole 5 from above while penetrating the connection side to the refrigerant circuit through the valve insertion passage 18, and the mounting leg is mounted on the valve mounting surface 8 using two screws. Fix it.

On the other hand, as for the second mounting hole 6, a screw hole is provided only on the obliquely upper side. A receiving portion 13 formed by projecting a part of the closing valve mounting plate 1 by punching is provided on the side of the oblique lower side. This receiving part 1
3 has an opening 17 on its upper side as shown in FIGS.
And the lower side is formed in a bag shape. On the opening 17 side of the receiving portion 13, a projection 14 formed by projecting the closing valve mounting plate 1 by press working is provided. The liquid shut-off valve 21 is inserted into the second mounting hole 6 from above while penetrating the connection side to the refrigerant circuit into the valve insertion passage 19,
The first mounting leg 15 is inserted into the receiving portion 13 along the valve mounting surface 8 from above. The protrusion 14 is provided in the opening 1 of the receiving portion 13.
7 is provided at the end on the side opposite to the second mounting hole,
The first mounting leg 15 can be inserted into the receiving portion 13 without being disturbed by the projection 14. And the protrusion 14
Comes into contact with the first mounting leg 15 inserted in the receiving portion 13 from the side opposite to the opening. Thereby, the first mounting leg 15 is fixed to the valve mounting surface 8. Also, the second mounting leg 16
Are fixed to the valve mounting surface 8 by screws 20.

In the outdoor unit of the air conditioner, the receiving portion 13
Into the first mounting leg 15 of the liquid shut-off valve 21.
Is fixed to the valve mounting surface 8. Therefore, the screw on the first mounting leg 15 side, which has been conventionally used, becomes unnecessary, and the number of parts can be reduced. At the same time, the first mounting leg 1
Since the screwing work on the fifth side is not required, the number of assembling steps can be reduced. Further, since the second mounting leg 16 is fixed to the valve mounting surface 8 with the screw 20, even if the first mounting leg 15 is simply inserted into the receiving portion 13, the liquid shut-off valve 21 can be securely connected to the valve mounting surface 8. Can be fixed.

The fastening operation of the flare nut 22 causes the liquid shut-off valve 21 to move in the direction intersecting with the valve mounting surface 8 in the second direction.
A rotational moment about the mounting hole 6 or the screw 20 is applied. However, the receiving portion 13 is the first mounting leg 1.
5 is formed in a bag shape that can be inserted along the valve mounting surface 8, so that the movement of the first mounting leg 15 in the direction away from the valve mounting surface 8 due to the rotational moment is formed in a bag shape. It will be blocked by the receiving part 13.
Further, a rotational moment about the second mounting hole 6 or the screw 20 is applied to the liquid closing valve 21 by opening and closing the valve lid 23. Depending on the direction of the rotational moment, the first mounting leg 15 moves in a direction in which the first mounting leg 15 comes out of the receiving portion 13.
It is blocked by the projection 14 that comes into contact from the 7 side. Therefore, the first mounting leg 15 can be securely fixed to the valve mounting surface 8.

Further, the receiving portion 13 and the projection 14 are formed by processing the closing valve mounting plate 1, respectively.
It is formed integrally with the closing valve mounting plate 1. Therefore, there is no part which increases by adopting the above structure, and the cost can be surely reduced.

Further, the liquid closing valve 21 is provided in the valve insertion passage 1.
9 is used to position the closing valve mounting plate 1 from above. The receiving portion 13 is also opened upward, and the first mounting leg 15 is inserted from above. Therefore, the first closing leg 15 can be fixed to the valve mounting surface 8 together with the arrangement of the liquid closing valve 21 at the mounting position, and the assembling work can be performed smoothly. A rotational moment is also applied to the liquid shut-off valve 21 by fastening the screw 20. However, the receiving portion 13 is provided with the first mounting leg 15 in the clockwise direction which is generated when the screw 20 is tightened.
It is provided to prevent the movement of. Therefore, when attaching the liquid shut-off valve 21, there is no need to support or press down the first attachment leg 15, and the operator can easily attach the liquid shut-off valve 21.

Although the specific embodiments of the present invention have been described above, the present invention is not limited to the above embodiments, and can be implemented with various modifications within the scope of the present invention. For example, in the above description, the receiving portion 13 and the projection 14 are provided for the first mounting leg 15. However, while the first mounting leg 15 is screwed, the receiving portion and the projection are provided for the second mounting leg 16. It may be. In the above description, the liquid shutoff valve 2
Although the receiving portion 13 and the projection 14 are provided for the device 1, the receiving portion and the projection similar to the above may be provided for the gas shut-off valve.

[0023]

According to the outdoor unit of the air conditioner of the first aspect of the present invention, it is possible to reduce the number of parts such as screws required in the past and to omit screw fixing work. Therefore, it is possible to reduce the number of parts and the number of assembling steps, thereby achieving cost reduction.

In the outdoor unit of the air conditioner according to the second aspect,
It is possible to securely fix and attach the closing valve to the closing valve mounting plate.

Further, in the outdoor unit of the air conditioner according to the third aspect, it is possible to avoid an increase in the number of parts due to this structure and to surely reduce the cost.

[Brief description of the drawings]

FIG. 1 is a front view showing a closing valve mounting plate provided in an outdoor unit of an air conditioner according to an embodiment of the present invention.

FIG. 2 is a sectional view taken along line AA of the closing valve mounting plate.

FIG. 3 is a side view of the closing valve mounting plate.

FIG. 4 is a perspective view showing an assembled state of a bottom frame and a side plate.

FIG. 5 is a front view showing a closing valve mounting plate provided in an outdoor unit of a conventional air conditioner.

FIG. 6 is an exploded perspective view showing the structure of a conventional outdoor unit.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Closure valve mounting plate 8 Valve mounting surface 13 Receiving part 14 Projection 15 First mounting leg 16 Second mounting leg 17 Opening 21 Liquid closing valve

Claims (3)

[Claims] 1. A mounting leg (1) extending along a mounting surface (8).
5) The outdoor unit of an air conditioner having a closing valve (21) having the mounting leg (15) fixed to the mounting surface (8) and mounted on the closing valve mounting plate (1). The closing valve mounting plate (1) is provided with a receiving portion (13) into which the mounting leg (15) can be inserted along the mounting surface (8), and the mounting leg (15) is inserted into the receiving portion (13). The outdoor unit of an air conditioner, wherein the mounting leg (15) is fixed to the mounting surface (8). 2. The receiving portion (13) has an opening (17) on one side thereof, and the mounting leg (15) is opened from the opening (17).
The mounting leg (1) inserted into the receiving portion (13) is formed on the mounting surface (8).
The projection (1) that comes into contact with the opening (17) from the opening (17).
The outdoor unit of the air conditioner according to claim 1, wherein 4) is provided. 3. The receiving part (13) and the projection (14).
3. The outdoor unit for an air conditioner according to claim 2, wherein the plate is formed by integrally processing a closing valve mounting plate (1).