JPS587673Y2 - equipment storage box - Google Patents

Description

[Detailed Description of the Invention] This invention relates to an improvement of an equipment storage box that houses electrical equipment and has a sealed structure for the purpose of being drip-proof.

Electrical equipment and other control devices installed on outdoor units such as air-conditioning equipment may be affected by rain or defrost water or water vapor during frost operation, which may cause problems such as equipment failure due to contact failure or electrical leakage. Ta.

Therefore, it is desirable to have a sealed structure for boxes that house electrical equipment installed in air-conditioning equipment or other equipment that may be exposed to steam or moisture.For this reason, sheet metal materials have traditionally been used for this type of storage box. A closed structure was used.

FIG. 1 is a schematic diagram showing an example of an outdoor unit to which the equipment storage box of the present invention is installed.
3 is a compressor that compresses refrigerant, 4 is a water side heat exchanger that exchanges heat between water and refrigerant, 5 is an equipment storage box, 6 is the air side heat exchanger 2, blower 1, compressor 3, water side heat exchanger 4,
This is a casing that surrounds the equipment storage box 5.

FIG. 2 shows the conventional structure of the equipment storage box 5, in which 7 is an outer frame, 8 is an icer attached to the outer frame 7, and 9 is an icer that surrounds and stores the icer 8.
This is an inner box attached to an outer frame 7 with mounting screws 10.

In addition, there is a lead wire 12 that connects the icer 8 to the outside.
A piping 13 for communication with the capillary tube and other working parts of the temperature-sensing tube for sensing temperature passes through a rubber bush 11 provided in the inner box 8 and is connected to the outside.

Conventional storage boxes are constructed as described above, but they have the drawbacks of high costs due to processing and assembly costs, and excessive costs in terms of functional evaluation.

This idea was made to eliminate the above-mentioned drawbacks, and consists of attaching an elastic gasket in a sandwich-like manner to the open end of a bag-like cover made by gluing one end of an elastic tube. By fixing with screws passing through the sandwich structure, a reliable and simple sealed structure is provided.

An embodiment of this invention will be described below with reference to FIGS. 3 and 4.

The deicer 8 is housed in a bag-like cover 15 made of an elastic tube while being attached to the device mounting plate 14.

One end 16a of the elastic bag-like cover 15 is glued and the other end is formed in an opening 16b, and an elastic gasket 17 is sandwiched and attached to the opening 16b. , is attached to the support plate 19 by means of attachment screws 18 passing through this sandwich structure.

Note that 20 is a seat for preventing local compression when the mounting screw 18 is tightened.

In addition, a lead wire 12 connecting the housed deicer 8 to the outside, a capillary tube of a thermosensor tube for sensing temperature, and other piping 13 for communicating with the outside are connected to gaskets 1 to 17 made of elastic material having a sandwich structure. It penetrates between both ends of the tube and is sealed.

Further, the support plate 19 to which the bag-shaped cover 15 for storing the icer 8 is attached is attached to the outdoor unit main body with attachment screws 21.

As described above, in this invention, an elastic gasket is sandwiched between the open end of a bag-like cover made by gluing one end of an elastic tube, and the bag-like cover is attached with a screw passing through the sandwich structure. Since the device itself and the device mounting plate are fixed to the support plate, the sealing structure is more reliable, and the cost of processing and assembly can be reduced.In addition, the device piping and wiring can be separated on both sides of the above-mentioned mounting screws. Since the piping outlet and the wiring outlet are placed at a certain distance on both the left and right sides, the wiring can be protected and the practical effect is extremely large. be.

[Brief explanation of the drawing]

Fig. 1 is a schematic diagram showing an example of an outdoor unit with an equipment storage box attached, Fig. 2 is a perspective view showing a conventional equipment storage box, Fig. 3 is a perspective view showing an embodiment of the present invention, and Fig. 4 3 is a sectional view taken along the line IV-IV in FIG. 3. FIG. In the figure, 8 is an icer, 12 is a lead wire, 13 is a capillary of a thermosensor tube, 14 is a device mounting plate, 15 is a bag-like cover, 17 is a gasket, 18 is a mounting screw, and 19 is a support plate. Note that the same reference numerals in the figures indicate the same or equivalent parts.

Claims (1)

[Scope of utility model registration request] A bag-like cover made of an elastic material that stores equipment inside and is configured with adhesive at one end and an open end at the other end, and is attached to the open end of the cover by being sandwiched together with the wiring, piping, etc. of the above-mentioned equipment. The sandwich structure includes at least one elastic gasket and an internal device mounting plate.
The opening of the bag-shaped cover is closed by passing three or more screws through it, and the bag-shaped cover itself and the device mounting plate are fixed to the support plate by the screws, and the piping and wiring of the device are connected to the screws respectively. An equipment storage box characterized by being separated into left and right sides and taken out to the outside.