WO2018138792A1 - Outdoor unit for air conditioner - Google Patents

Abstract

An outdoor unit for an air conditioner that has an interior separated into a blower chamber and a machine chamber, that is provided with, in the blower chamber, a heat exchanger and a blower disposed on the front side of the heat exchanger, that has a compressor and a refrigerant container disposed in the machine chamber, and that is connected to an indoor unit via refrigerant piping passing through the space between the refrigerant container and a base plate on the machine chamber side, wherein the outdoor unit has a container leg member on top of which the refrigerant container is installed, that is fixed to the base plate, and that secures a space between the refrigerant container and the base plate, and the container leg member comprises a first leg member on which the refrigerant container is installed, and a second leg member that is positioned under the first leg member, to which the first leg member is connected so as to be freely movable in the vertical direction, and that is fixed to the base plate.

Description

Air conditioner outdoor unit

The present invention relates to an outdoor unit of an air conditioner that is connected to an indoor unit that air-conditions a room via a refrigerant pipe.

The conventional outdoor unit of an air conditioner is divided into a blower room and a machine room by a partition plate. In the machine room, there are arranged a compressor, a refrigerant container, piping connecting them to a heat exchanger installed in the blower room, and the like. In the machine room, a refrigerant pipe connected to the indoor unit passes below the refrigerant container. This refrigerant pipe is drawn in from the front side of the outdoor unit, passes through the lower side of the refrigerant container, and is piped to the rear side of the machine room. In order to pass the refrigerant pipe under the refrigerant container, a container leg member is installed between the base plate of the outdoor unit and the refrigerant container to secure a space for the pipe (for example, see Patent Document 1).

JP 2009-92114 A

In the above-mentioned patent document 1, since the container leg member is composed of one component, the size of the space between the refrigerant container and the base plate cannot be changed. Therefore, the height of the container leg member that supports the refrigerant container must be changed for each model of the outdoor unit. When changing for each model, it is necessary to manufacture a mold for the container leg member for each model. There was a problem that it took a great deal of cost.

The present invention has been made to solve the above-described problems, and provides an outdoor unit for an air conditioner that does not require a mold for a container leg member even when the type of the outdoor unit is different. The purpose is to do.

The outdoor unit of the air conditioner according to the present invention is divided into a blower room and a machine room by a partition plate, and the blower room is provided with a heat exchanger and a blower installed on the front side of the heat exchanger. In the outdoor unit of the air conditioner in which a compressor and a refrigerant container are disposed in the chamber and connected to the indoor unit through a refrigerant pipe passing through a space between the refrigerant container and the base plate on the machine room side. A container leg member that is installed and secures a space between the refrigerant container and the base plate and is fixed to the base plate. The container leg member includes a first leg member on which the refrigerant container is installed, and a first leg member. The first leg member is positioned below and is connected to the first leg member so as to be movable in the vertical direction, and includes a second leg member fixed to the base plate.

According to the present invention, the container leg member is a first leg member on which the refrigerant container is installed, and a second leg that is positioned below the first leg member and is movably connected in the vertical direction. Therefore, the height of the container leg member can be varied. As a result, the height of the space between the refrigerant container and the base plate on the machine room side can be changed, making it unnecessary to manufacture a mold for the container leg member for each type of outdoor unit, thereby reducing costs. be able to.

It is a perspective view which shows the external appearance of the outdoor unit of the air conditioner which concerns on embodiment of this invention. It is a perspective view which shows the inside of the outdoor unit of FIG. It is a perspective view which shows the baseplate of the outdoor unit of FIG. FIG. 3 is an enlarged perspective view of a refrigerant container and a container leg member of FIG. 2. It is a disassembled perspective view of the container leg member shown in FIG. It is an expansion perspective view of the container leg member shown in FIG. It is a front view of the container leg member shown in FIG. FIG. 8 is a cross-sectional view taken along the line AA of the container leg member shown in FIG.

Hereinafter, an embodiment of an outdoor unit of an air conditioner according to the present invention will be described with reference to the drawings.

1 is a perspective view showing an external appearance of an outdoor unit of an air conditioner according to an embodiment of the present invention, FIG. 2 is a perspective view showing the inside of the outdoor unit of FIG. 1, and FIG. 3 is a base plate of the outdoor unit of FIG. It is a perspective view shown.
The outdoor unit 1 of the air conditioner according to the present embodiment includes a front panel 2, a service panel 3, a right side panel 4, a left side panel 5, a heat exchanger 9 (see FIG. 2), and a right side. An outer appearance is formed by a cover panel 6 that covers the lower part, a top panel 7 that covers the upper part, and a base plate 8 provided at the lower part.

The front panel 2 is provided with a circular outlet 2a and a fan guard 2b covering the outlet 2a. The service panel 3 covers the right side surface adjacent to the front panel 2 and the front side surface of the right side surface. The right side panel 4 covers the heel side surface of the right side surface and a part of the back surface. The left side panel 5 covers the front side surface of the left side surface. The heat exchanger 9 is formed in an L shape in a plan view and covers a surface between the left side panel 5 and the right side panel 4.

The interior of the outdoor unit 1 is divided into a blower room S1 and a machine room S2 by a partition plate 10, as shown in FIG. The blower chamber S <b> 1 is provided with a heat exchanger 9, a motor support 14 installed on the front side of the heat exchanger 9, and a blower 11 fixed to the motor support 14. The motor support 14 has an upper end supported by the heat exchanger 9 and a lower end fixed to the base plate 8. The blower 11 includes a fan motor 11a attached to the motor support 14 and a fan 11b attached to the rotation shaft of the fan motor 11a. When the fan motor 11 a rotates, air is sucked from the back surface of the outdoor unit 1, passes through the heat exchanger 9, and is blown from the air outlet 2 a provided on the front surface of the outdoor unit 1.

In the machine room S2, an electrical product (not shown) that supplies power to each component, an electrical product box (not shown) in which the electrical product is stored, a refrigerant pipe (not shown) by compressing the refrigerant. ), A four-way valve (not shown, for example, a refrigerant container 13 that is an accumulator, etc.) Two refrigerant pipes from an indoor unit equipped with a heat exchanger (not shown), etc. (Not shown) is drawn from the front side of the outdoor unit 1 and passes through the space S4 below the refrigerant container 13 and is piped to the back side in the machine room S2 to each of the heat exchanger 9 and the four-way valve. During cooling operation, the refrigerant compressed by the compressor 12 passes through the four-way valve and the heat exchanger 9 and is sent to the indoor unit via the refrigerant pipe. Then, through the other refrigerant pipe, connect the four-way valve and the refrigerant container 13 In the heating operation, the refrigerant compressed by the compressor 12 passes through the four-way valve and is sent to the indoor unit through the refrigerant pipe. The refrigerant flows into the heat exchanger 9 through another refrigerant pipe, and is sucked into the compressor 12 through the four-way valve and the refrigerant container 13.

The refrigerant container 13 is installed on a container leg member 20 fixed to the base plate 8. A space S3 in which piping is arranged is provided above the refrigerant container 13, and a space S4 through which refrigerant piping (not shown) is passed by a container leg member 20 is provided below the refrigerant container 13. ing. As will be described later, the container leg member 20 is fixed by engaging with a hole 8a (see FIG. 3) provided in the base plate 8.

Next, the configuration of the container leg member 20 described above will be described with reference to FIGS.
4 is an enlarged perspective view of the refrigerant container and container leg member of FIG. 2, FIG. 5 is an exploded perspective view of the container leg member shown in FIG. 4, FIG. 6 is an enlarged perspective view of the container leg member shown in FIG. 6 is a front view of the container leg member shown in FIG. 6, and FIG. 8 is a cross-sectional view taken along the line AA of the container leg member shown in FIG.

The container leg member 20 is formed of, for example, a sheet metal, and includes a first leg member 21 and a second leg member 22 connected to the first leg member 21 as shown in FIG. The refrigerant container 13 is installed on the first leg member 21, and the second leg member 22 is fixed to the base plate 8 on the machine room S2 side.

For example, as shown in FIG. 5, the first leg member 21 includes a container mounting portion 21a formed in a rectangular shape in plan view, and a pair of first bent portions bent downward from one long side of the container mounting portion 21a. 1 connecting portion 21b. A hole 21aa into which a part of the bottom of the refrigerant container 13 is fitted is provided in the center of the container mounting portion 21a.

The pair of first connecting portions 21b are provided with, for example, two claw portions 21c arranged in a line in the vertical direction. Moreover, the 1st reinforcement part 21d bent by the nail | claw part 21c side is provided in the both ends of a pair of 1st connection part 21b. The two claw portions 21c are formed by, for example, cutting and raising a sheet metal that forms the first connecting portion 21b, and are hooks formed in an L shape in a side view.

As shown in FIG. 5, the second leg member 22 includes a fixed portion 22a formed in a rectangular shape in plan view, and a pair of second connecting portions 22b bent upward from one long side of the fixed portion 22a. It consists of As shown in FIG. 7, the fixing portion 22 a is provided with a claw portion 22 e that extends downward and is bent horizontally. The claw portion 22e has the same shape as the L-shaped hook provided in the first connecting portion 21b, and is formed by cutting and raising a sheet metal that forms the fixing portion 22a, for example. As described above, the claw portion 22e is fitted into the hole 8a provided in the base plate 8.

For example, four holes 22c arranged in a line in the vertical direction are provided in the pair of second connecting portions 22b. The four holes 22c are formed in a quadrilateral shape, for example, and are sized so that the claw portion 21c of the first connecting portion 21b can be inserted and removed. The interval between the four holes 22c is such that when the upper claw portion 21c of the two claw portions 21c is inserted into the hole 22c on the tip side of the four holes 22c, the lower claw portion 21c is the third from the top. It is set to be inserted into the hole 22c. Further, when the upper claw portion 21c is fitted into the tip of the second connecting portion 22b, the interval between the four holes 22c is set so that the lower claw portion 21c is inserted into the second hole 22c from the top. Is set. In addition, although the four holes 22c are set, it is not limited to this, It is good also as five or more holes 22c.

Moreover, the 2nd reinforcement part 22d bent in the same direction as the 1st reinforcement part 21d provided in the 1st connection part 21b is provided in the both ends of a pair of 2nd connection part 22b. A pair of 2nd connection part 22b is formed so that it may be freely moved up and down between the 1st reinforcement parts 21d of the 1st connection part 21b.

The assembly of the container leg member 20 configured as described above will be described below. The assembly procedure is an example and is not limited.
First, the claw portion 22e provided on the fixing portion 22a of the second leg member 22 is fitted into the hole 8a of the base plate 8, and the fixing portion 22a of the second leg member 22 is temporarily fixed to the base plate 8. By this temporary fixing, the fixing portion 22a does not rotate in the horizontal direction on the base plate 8, and the fixing portion 22a can be welded to the base plate 8 in a stable state. For this reason, the location which fixes a screw can be reduced and cost reduction can be aimed at.

Next, the claw portions 21c provided on the pair of first connecting portions 21b of the first leg member 21 are fitted into the holes 22c provided on the pair of second connecting portions 22b of the second leg member 22, respectively. For example, as shown in FIGS. 6 and 7, among the four holes 22c provided in the second connecting portion 22b, the second hole 22c from the top is provided in the first connecting portion 21b of the first leg member 21. The lower claw portions 21c are inserted respectively.

Next, the first leg member 21 is lowered, and the lower claw portions 21c of the first connecting portion 21b are fitted into the holes 22c of the second connecting portion 22b, respectively, and the upper claws of the first connecting portion 21b are inserted. The first leg member 21 is temporarily fixed by fitting the portions 21c into the tips of the second connecting portions 22b. This state is the highest height of the container leg member 20. The container leg member 20 constituted by the first leg member 21 and the second leg member 22 is shaped like a grooved steel in a side view as shown in FIG.

Of the four holes 22c of the second connecting portion 22b, the upper claw portion 21c of the first connecting portion 21b is inserted into the first hole 22c from the top, and the third from the top of the second connecting portion 22b. When the lower claw portion 21c of the first connecting portion 21b is inserted into the hole 22c and fitted into the hole 22c, the container leg member 20 has the second highest height.

Further, among the four holes 22c of the second connecting portion 22b, the upper claw portion 21c of the first connecting portion 21b is inserted into the second hole 22c from the top, and the fourth from the top of the second connecting portion 22b. When the nail | claw part 21c below the 1st connection part 21b is inserted in the hole 22c and it each fits, it becomes the 3rd highest height as the container leg member 20. FIG.

After assembling the container leg member 20 with the first leg member 21 and the second leg member 22, the refrigerant container 13 is installed and fixed to the container mounting portion 21a of the first leg member 21. In this case, a part of the bottom of the refrigerant container 13 is fitted into a hole 21aa provided in the center of the container mounting portion 21a and fixed by welding.

In the present embodiment, the first leg member 21 is connected to the second leg member 22 so as to be movable in the vertical direction and temporarily fixed. The portion 21b and the second connecting portion 22b of the second leg member 22 can be easily welded. In addition, since the first connecting portion 21b of the first leg member 21 is provided with two claw portions 21c, wobble during temporary fixing between the first leg member 21 and the second leg member 22 is reduced. be able to.

The number of holes 22c provided in the second connecting portion 22b of the second leg member 22 is provided more than the number of claw portions 21c provided in the first connecting portion 21b. That is, the claw portion 21c of the first connecting portion 21b can be fitted into the hole 22c at an arbitrary height position among the four holes 22c arranged vertically on the second connecting portion 22b. For this reason, the height of the container leg member 20 can be changed, and accordingly, the size of the space S4 of the refrigerant pipe passing through the lower side of the refrigerant container 13 can be changed.

Since the first reinforcing portions 21d are provided at both ends of the pair of first connecting portions 21b and the second reinforcing portions 22d are provided at both ends of the pair of second connecting portions 22b, the container leg member The strength of 20 can be improved. Further, the first reinforcing portion 21d and the second reinforcing portion 22d serve as a support when the claw portion 21c of the first coupling portion 21b is fitted into the hole 22c of the second coupling portion 22b, and can be easily fitted. Can do.

In addition, the distance between the two claw portions 21c so that the two claw portions 21c provided in the first connection portion 21b can be fitted into the two holes 22c among the four holes 22c provided in the second connection portion 22b. And the interval between the four holes 22c. For this reason, the position of the hole 22c of the 2nd connection part 22b which engages | inserts the nail | claw part 21c of the 1st connection part 21b can be changed. Thereby, since the height as the container leg member 20 can be varied, it becomes possible to change the height of the space S4 between the container leg member 20 and the base plate 8, and for each model of the outdoor unit 1. In addition, it is not necessary to produce a mold for the container leg member 20, and the cost can be reduced.

Furthermore, when the height of the container leg member 20 is lowered, the space S3 above the refrigerant container 13 can be widened. For this reason, the clearance between the pipes in the space S3 can be increased, and the risk of contact between the pipes can be reduced.

1 outdoor unit, 2 front panel, 2a outlet, 2b fan guard, 3 service panel, 4 right side panel, 5 left side panel, 6 cover panel, 7 top panel, 8 base plate, 8a hole, 9 heat exchanger, 10 partition plate, 11 blower, 11a fan motor, 11b fan, 12 compressor, 13 refrigerant container, 14 motor support, 20 container leg member, 21 first leg member, 21a container mounting part, 21aa hole, 21b first connection Part, 21c claw part, 21d first reinforcing part, 22 second leg member, 22a fixing part, 22b second connecting part, 22c hole, 22d first reinforcing part, 22e claw part, S1 blower room, S2 machine room, S3 , S4 space.

Claims (4)

The interior is divided into a blower room and a machine room by a partition plate, a heat exchanger and a blower installed on the front side of the heat exchanger are provided in the blower room, and a compressor and a refrigerant container are arranged in the machine room In an outdoor unit of an air conditioner connected to an indoor unit via a refrigerant pipe passing through a space between the refrigerant container and the base plate on the machine room side,
The refrigerant container is installed at the top, and has a container leg member secured to the base plate while securing a space between the refrigerant container and the base plate,
The container leg member is
A first leg member on which the refrigerant container is installed;
An outdoor unit for an air conditioner, comprising: a second leg member positioned below the first leg member, the first leg member being connected to be movable in the vertical direction, and fixed to the base plate. The first leg member is
A container placement section in which the refrigerant container is installed;
A pair of first connecting portions extending downward from one end of the container mounting portion;
A plurality of claw portions provided in the vertical direction on each of the pair of first connecting portions,
The second leg member is
A fixing portion fixed to the base plate;
A pair of second connecting portions extending upward from one end of the fixed portion;
A plurality of holes provided on the pair of second connecting portions in the vertical direction, and the plurality of claw portions being fitted therein,
The outdoor unit for an air conditioner according to claim 1, wherein the plurality of holes are provided more than the number of the claw portions. At both ends of the pair of first connecting portions, first reinforcing portions extending in the direction in which the plurality of claw portions are provided are provided,
At both ends of the pair of second connecting portions, a second reinforcing portion is provided that extends in the same direction as the first reinforcing portion provided in the first connecting portion,
The outdoor unit for an air conditioner according to claim 2, wherein the pair of second connecting portions are formed so as to be vertically movable between the first reinforcing portions of the first connecting portions. The fixing portion of the second leg member is provided with a claw portion that extends downward and is bent horizontally,
The outdoor unit for an air conditioner according to claim 2 or 3, wherein the base plate includes a hole into which a claw portion provided in the fixed portion is fitted.

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