JPS6345622Y2 - - Google Patents

Description

[Detailed Description of the Invention] This invention relates to a mounting structure for an embedded box for a sleeve, which is used mainly when a pipe connecting an indoor unit and an outdoor unit of an air conditioner is installed in a concrete wall.

Conventionally, when installing pipes connecting the indoor and outdoor units of air conditioning equipment into a concrete wall,
A through hole is made in advance in the thickness direction of the concrete wall, a protective sleeve is inserted into this through hole, a pipe is installed inside the protective sleeve, and the gap between these through holes and the protective sleeve is filled with putty, etc. It is known that the structure is configured to prevent the intrusion of rainwater, wind, etc.

However, filling the gap between the through hole and the protective sleeve with a filler material is not only complicated, but the finish that remains after filling the gap is different from the surrounding wall surface and looks unsightly, resulting in poor design. There was a problem.

This idea has an opening on the front side of the box body, an opening that passes through the cylinder on the back side, a cord entry hole on either side, and a tube body and an adjustment pipe on the front and rear ends of the cylinder body. The above-mentioned problem can be solved by embedding a sleeve embedding box into the wall so that the front end of the tube faces the indoor side of the wall and the rear end of the adjustment tube faces the back of the wall. The object of the present invention is to provide a mounting structure for an embedded box for a sleeve, which can solve the problem and improve work efficiency and design.

This invention will be explained in detail below based on the drawings.

1 to 5 show an embodiment in which the sleeve embedding box of this invention is embedded in a concrete wall 1. FIG. As shown in FIG. 3, the front side of the box body 2 constituting the sleeve embedding box is configured with an opening 2a, and the back side is provided with a cylindrical body 2b penetrating almost perpendicularly to the back side. And almost in the center of the top surface, there is a cord entry hole 2.
c is provided. Furthermore, flanges 2d are provided on both sides of the opening 2a, and protrusions 2e are provided above and below the opening 2a. A screw hole 2f through which the screw 3 is inserted is provided in the flange 2d and the protruding piece 2e.

As shown in FIG. 1, an adjustment pipe 4 made of resin, for example, having an inner diameter that is approximately the same as the outer diameter of the cylinder 2b is fitted onto the rear of the cylinder 2b of the box 2, and the concrete wall embedded inside. That is, the depth of the sleeve embedding box is made to match the thickness of the concrete wall 1 by means of the adjustment pipe 4. And this adjustment pipe 4
A lid 5 is removably attached to the rear of the adjustment pipe 4 to prevent rainwater from entering through the adjustment pipe 4.

On the other hand, the opening 2a of the box 2 is disposed so as to be substantially flush with the indoor wall surface of the concrete wall 1, for example. A substantially rectangular cassette plate 7 and a plate cover 8 are attached to the opening 2a of the box body 2, respectively.
figure).

A pair of holes 7a through which the screws 3 are inserted are provided at the upper and lower ends of the cassette plate 7, and an outlet 7b with an outlet facing the indoor side is installed directly below the holes 7a. ing.
Moreover, between the outlet 7b and the hole 7a at the lower end,
A tube body 7c fitted into the cylinder body 2b of the box body 2,
The cylindrical body 2 is placed with its front end facing the indoor side of the wall.
It is inserted into b.

Further, at the upper and lower ends of the plate cover 8, at positions facing the holes 7a of the cassette plate 7,
A pair of holes 8a are provided through which the screws 3 are inserted. There is a rectangular upper opening 8b between the upper end hole 8a and a lower opening 8c to be described later, which exposes the outlet 7b to the indoor side, and between the upper end opening 8b and the lower end hole 8a. are each provided with a rectangular lower opening 8c that exposes the tubular body 7c to the indoor side. The center of the lower opening 8c is approximately aligned with the center line of the tubular body 7c, and the short side of the lower opening 8c is set to be larger than the diameter of the tubular body 7c. The lower opening 8c has a lower opening 8c.
A cap 8d having substantially the same shape as the cap 8d is removably attached by engaging a claw 8e protruding from its upper end. Note that this lower opening 8c and the cap 8d
Instead of being rectangular, the shape may be a circle whose center coincides with the tube body 7c.

Cassette plate 7 configured in this way
The plate cover 8 that covers the front surface of the cassette plate 7 is made by inserting screws 3 into holes 7a and 8a provided at both upper and lower ends, respectively, and inserting the screws into the screw holes 2f of the projection 2e of the box body 2. It is attached by screwing in 3. Therefore, by using this recessed sleeve box, the outlet and the sleeve can be put together in one place, and they are not placed separately in various places on the wall, so the wall surface is not complicated and the design can be improved. (Figure 2).

On the other hand, as shown in FIG. 1, the lower end of a pipe 9 disposed in the vertical direction of the concrete wall 1 is in contact with the cord lead-in hole 2c of the box 2.
A power cord 10 wired inside this pipe 9 is led into the inside of the box body 2 through the cord lead-in hole 2c. Power cord 1 led inside the box body 2
The outer skin at the tip of 0 has been peeled off. The core wire 10a of the power cord 10 from which the outer sheath has been removed is wired to the terminal of the outlet 7b of the cassette plate 7. That is, the core wire 10a is housed inside the box body 2, and the core wire 10a is completely connected to the pipe for the air conditioning equipment to be disposed therein by the cylindrical body 2b and the tube body 7c. Since it is partitioned into two parts, it is possible to prevent the risk of electrical leakage caused by contact with other members or condensed water that tends to occur on the pipe surface.

Next, in order to embed this sleeve embedding box into the wall, first, as shown in FIG.
The adjustment tube 4 is fitted onto the rear part of the cylindrical body 2b, and its depth is made to match the thickness of the wall. Next, a nail 12 is driven into a predetermined position of the formwork 11 installed on the indoor side through a screw hole 2f provided in the flange 2d of the opening 2a to fix it. Thereafter, concrete is poured into the formwork 11, cured, and then the formwork 11 is removed. In this way, in the sleeve embedding box, not only the box body 2 and the cylindrical body 2b but also the adjustment pipe 4 and the like are embedded in the concrete without any gaps. Therefore, there is no need for the complicated work of filling the gap between the through hole and the protective sleeve with filler, which is not only efficient, but also easier than before. The finish will not become unsightly. In addition, since the adjustment pipe 4 is provided, when the thickness of the concrete wall 1 changes, by moving the adjustment pipe 4 back and forth with respect to the cylindrical body 2b, the depth of the embedded box for the sleeve can be adjusted. can be made to match the thickness of the concrete wall 1.
Therefore, there is no need to prepare several types of protective sleeves in advance depending on the thickness of the concrete wall 1, and costs can be reduced. In addition, as conventionally known, the periphery of a through hole provided in a concrete wall is sandwiched between two panel members from both the front and back sides of the wall, and a tube formed in each of these panel members is formed. Some types fit the bodies together to form a protective sleeve, and a plumbing pipe is passed through this protective sleeve. However, in the above conventional system, since the wall is sandwiched between the front and back panel members, means for tightening the front and back panel members, such as bolt tightening, are used to adjust the length of the wall and the protective sleeve. The lengths have to match, making the work complicated. According to this embodiment, the thickness of the wall and the depth of the sleeve embedding box can be matched by simply moving the adjustment tube 4 back and forth with respect to the cylinder 2b, and the entire box can be integrated into a unit. Coupled with this, there is an advantage that the mounting work of the embedded box and the work of matching the thickness are easy.

When installing air conditioning equipment, the power source is taken from the outlet 7b, the outdoor side lid 5 is removed, the cap 8d of the plate cover 8 is removed, and the pipe connecting the outdoor unit and the indoor unit is connected to the adjustment pipe 4 and It may be passed through the cylindrical body 2b.

In addition, putty or the like may be used in the same manner as in the past in order to fill the gaps created between the pipes passed through the adjustment tube 4 or the cylinder body 2b and the inner walls of the adjustment tube 4 or the cylinder body 2b.

As explained above, the sleeve embedding box of this invention has an opening on the front side of the box and a cylindrical body on the back, so if this sleeve embedding box is embedded in a concrete wall, The box body can be embedded in concrete without any gaps.
Therefore, there is no need for the work of closing gaps as in the past, and not only is the work efficiency excellent, but the wall surface is not unsightly and has an excellent design.

Furthermore, the present invention has a structure in which a cord entry hole is provided in the box body, and a box body and a cylindrical body are provided.
Not only can you draw the power cord into the box through the cord entry hole and wire the core wire to the outlet inside the box, but the core wire can also be used to prevent condensation water that tends to form on other components and the surface of air conditioning equipment pipes. Since there is no contact, the risk of electrical leakage can be prevented. Furthermore, since the present invention is equipped with an adjustment tube, there is no need to prepare several types of protective sleeves in advance according to changes in the wall thickness, which can reduce costs and embed the sleeves. Since the embedding box is a unit, it is extremely easy to embed it in the wall, and it is easy to match the thickness of the wall and the depth of the embedding box for the sleeve by simply inserting and removing the adjustment tube. .

[Brief explanation of the drawing]

Figures 1 to 5 show an embodiment of this invention. Figure 1 is a sectional view of the sleeve embedding box embedded in a concrete wall, and Figure 2 is a cross-sectional view of the sleeve embedded box embedded in a concrete wall.
3 is a perspective view of the box, FIG. 4 is an assembled perspective view of the cassette plate and plate cover, and FIG. 5 is a side view of the box placed in the formwork. DESCRIPTION OF SYMBOLS 1... Concrete wall body, 2... Box body, 2a... Opening, 2c... Cord lead-in hole, 4... Adjustment pipe, 7c... Pipe body.

Claims (1)

[Scope of utility model claims] An opening is provided in the front of the box embedded in the wall, a cylinder for piping is provided on the back almost perpendicularly to the back, and a cord lead-in hole is formed in the surface other than the opening of the box, A tube body is fitted into the front end of the cylinder body,
An adjustment tube is fitted into the rear end of the cylindrical body to form a sleeve embedding box, and the sleeve embedding box is placed so that the front end of the tube faces the indoor side of the wall, and the adjustment tube is fitted into the sleeve embedding box. A mounting structure for a recessed box for a sleeve, characterized in that it is buried in a wall with its rear end facing the back of the wall.