JPH02266061A - Indoor piping material and connection part therebetween - Google Patents

Abstract

PURPOSE:To increase the efficiency of an indoor piping by a method wherein the outer peripheral surface of a piping material for the passage of water is formed with a plane part making contact with a wall, a ceiling, and a floor, and engaging protrusion parts or recessed parts concentric to a water pass hole are formed in both ends, and joining is effected by means of an adhesive. CONSTITUTION:A piping material 11 provided at its interior with a water pass hole 12 and the outer peripheral surface of which is formed with four plane parts 13a-13d is molded by using rigid PVC. Engaging protrusions 14 and recessed parts 15 concentric to the water pass hole 12 are formed in both ends of the piping material 11. The shape of the engaging part is varied according to a demand. The engaging part of the piping material 11, the plane part of the piping material 11, and a floor are joined together by using sn adhesive. This constitution enables a piping work at an existing housing to be performed in a short time.

Description

[Detailed Description of the Invention] [Field of Industrial Application] The present invention relates to indoor piping materials and their connecting parts used when installing new piping for water supply, hot water supply, circulating water for heating, etc. in existing houses. It is related to.

[Conventional technology and its issues]

Piping for water supply, hot water, etc. can be embedded in newly built houses, but in existing houses, due to the difficulty of construction and economic efficiency, it is recommended to install piping along walls, ceilings, or floors. It often becomes. In this case, leaving piping materials such as hard PVC pipes exposed is aesthetically problematic, so conventionally the piping materials are housed in a rectangular case or covered with a decorative cover. .

On the other hand, when installing piping in an existing house, etc., the piping work must be completed in as short a time as possible in order to minimize the inconvenience to residents.

However, in the past, piping materials with a circular cross section, such as regular hard PVC pipes, were used, so it took time and effort to install the piping materials, cases, and covers, etc.・There was a problem.

[Means for solving problems and their effects]

In view of the above-mentioned problems, the present invention provides an indoor piping material that is easy to perform piping work.The present invention has a water passage hole in the internal longitudinal direction, a wall in the longitudinal direction on the outer peripheral surface, It is characterized by having a flat part that comes into contact with the ceiling, floor, etc., and having a fitting convex part or a fitting concave part coaxial with the two water passage holes at both ends.

This indoor piping material can be easily connected by applying adhesive or the like to the circumferential surface of the fitting concave portion and the fitting convex portion at the end, and fitting the fitting convex portion to the circumferential surface. Therefore, it can be easily attached by pasting the flat part to a wall surface, ceiling surface, etc. using an adhesive or double-sided adhesive tape.

Furthermore, although the surfaces other than the above-mentioned flat portions will be exposed indoors, the beauty of the interior can be maintained by applying patterns and colors that harmonize with the interior of the room on those surfaces.

Moreover, this indoor piping material can also be connected by bending by using a bending connection block, and can also be connected by branching by using a branch connection block.

〔Example〕

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

FIG. 1 shows an indoor piping material according to an embodiment of the present invention. This indoor piping material 11 has a water passage hole I2 in the internal longitudinal direction, has a square cross-sectional shape (therefore has four plane parts 132 to 13d extending in the longitudinal direction), and has one end for the water passage. It has a fitting protrusion 14 coaxial with the hole 12, and has a fitting recess 15 at the other end of a size that exactly fits the fitting protrusion 14. The material is, for example, hard PVC. For example, the inner diameter of the size (for example, water hole) 2 is 3 mm, one side of the square cross section is 30 mm, the outer diameter of the fitting protrusion is 18.0 mm, the inner diameter of the fitting recess is 18.1 mm, and the length is about 2 m. It is.

Since this indoor piping material 11 has the above-described structure, when connecting them to each other, it is easy to connect them by simply applying adhesive to the circumferential surfaces of the fitting convex portion and the fitting concave portion at the ends. Can be connected. Also, one side of the outer circumference (for example, 13a) can be attached to a wall, ceiling, or floor, or two adjacent sides of the outer circumference (
For example, installation work can be easily carried out by pasting 13a and 13b) on a wall and a ceiling or on a portion of a wall and floor using an adhesive or double-sided adhesive tape.

In addition, by applying a pattern or color that matches the interior of the room at least to the outer circumferential surface other than the flat surface that contacts the wall, ceiling, floor, etc., it is possible to harmonize the piping with the interior of the room and prevent deterioration in aesthetic appearance.

Although the indoor piping material 11 of Kaku-1 is provided with a fitting protrusion 14 at one end and a fitting recess 15 at the other end, the present invention is not limited to this. It may be provided with a convex portion, or may be provided with fitting recesses at both ends. In this case, indoor piping materials provided with fitting convex portions at both ends and indoor piping materials provided with fitting concave portions at both ends may be connected alternately.

FIG. 2 shows a connection structure when the indoor piping materials 11 are butted against each other at their ends on the fitting recess 15 side.

A connecting pipe 17 having a linear water passage hole 16 inside and having an outer diameter that fits into the fitting recess 15 of the indoor piping material 11 is used for this connecting part. The fitting recesses 1515 of the indoor piping materials 11 to be connected are fitted onto both sides of the connecting pipe 17, and the indoor piping materials 11 are butt-connected. The inner circumferential surface of the fitting recess 15 and the outer circumferential surface of the connecting tube 17 are watertightly bonded with an adhesive (the adhesive is used in the following connection sections as well).

The connection structure shown in Figure 2 can also be applied when indoor piping is cut to an appropriate length for length adjustment. In that case, the four fitting portions are formed on the cut end using a drill or the like before connection is made.

Figure 3 fat shows the connection structure when finely adjusting the total length of the connected indoor piping material to match the length of the room. In this connection part, together with the connection pipe 17 as described above, there is a
), (a spacer 18 such as Cl is used.

This spacer can be used up and down (left and right or diagonally)
It is split into two, with a hole 19 large enough to hold the connecting pipe I6 in the center, and an uneven surface 2 formed on the split surface.
They are assembled using a 0.21 fitting. The outer circumference is the same size as the indoor piping material 11. If a gap is created between the end faces of the indoor piping materials 11 due to fine adjustment of the length, the gap can be created by inserting a spacer 18 having a thickness that matches the gap.

Figure 4 shows the connection structure when indoor piping materials are connected at a slight angle. A connecting pipe 22 having a spherical outer peripheral surface is used for this connecting portion, and a fitting recess 23 that fits the spherical surface is also formed at the end of the indoor piping material 1111. By using such a connection part, it is possible to flexibly cope with slight bending of the wall or ceiling surface.

Figure 5tar (b) shows the connection structure when indoor piping materials are bent and connected. For this connection, a bent connection block 26 is used, which has a bent water hole 24 inside and a fitting recess 25 into which the fitting protrusion 14 of the indoor piping material 11 fits into the inlet and outlet portions of the block. It will be done. This curved connection block 26 has a plane P passing through the central axis of the curved water passage hole 25.
A hollow portion 27 larger than the inner diameter of the water passage hole is formed at the bent portion of the bent water passage hole 24. This cavity 27 is provided to reduce pressure loss at the curved portion of the water passage hole. The two members of the bending connection block 26 are combined by fitting the unevenness 28 and 29 formed on the split surface P, and are integrated by an adhesive applied to the split surface P.

The fitting convex portions 14 at the ends of the indoor piping material 11 are respectively fitted to the fitting concave portions 25 of the bent connection block 26 configured as described above.
By fitting them together, the indoor piping material 11 can be bent and connected at right angles.

In addition, when the hollow part 27 is not provided in the bending connection block 26, the bending connection block 2G can be formed as an integral piece instead of being divided into two parts.

Furthermore, the relationship between the unevenness at the fitting portion between the curved connection block and the indoor piping material may be reversed to that in the second embodiment.

Figure 6 shows the connection structure when branching indoor piping materials. This connection part has a branch water passage hole 30 inside, and the fitting convex part 14 of the indoor piping material 11 is provided at the inlet and outlet parts.
A branch connection block 32 having a fitting recess 31 into which the
is used. This branch connection block 32 is divided into two parts along a plane P passing through the central axis of the branch water passage hole 30, and a hollow part 33 larger than the inner diameter of the water passage hole is formed at the branch part of the branch water passage hole 30. has been done. This cavity portion 33 is provided to reduce pressure loss at the branch portion of the water passage hole. The two members of the branch connection block 32 are combined by fitting the unevenness 34 formed on the split surface P, and are integrated by an adhesive applied to the split surface P.

By fitting the fitting protrusions 14 at the ends of the indoor piping material 11 into the fitting recesses 31 of the branch connection block 32 configured as described above, the indoor piping material can be branched and connected in three directions.

In addition, when the hollow part 33 is not provided in the branch connection block 32, the branch connection block 32 can be formed as an integral piece instead of being divided into two parts.

Further, the relationship between the unevenness at the fitting portion between the branch connection block and the indoor piping material may be reversed to that in the above embodiment.

FIG. 7 shows a connection structure when ordinary piping material is connected to the indoor piping material of the present invention. In this connection part, a connection block 36 similar to the bent connection block shown in FIG. 5 is used, in which a female screw part 35 is formed instead of one of the fitting recesses. A normal piping material (not shown) is connected to the female threaded portion 35 in a threaded manner.

〔Effect of the invention〕

As explained above, by using the indoor piping material and its connection part according to the present invention, piping work along walls, ceilings, etc. can be performed extremely easily, and piping work can be completed in a short time. In addition to this, the effect of not spoiling the aesthetic appearance of the room can be obtained.

[Brief explanation of drawings]

Figure 1 (a) is a partially cutaway side view of an indoor piping material according to an embodiment of the present invention, and Figures (b) and (e) are Δ-AV of (a).
A sectional view taken along lines A and BB, Figure 2 is a sectional view showing one embodiment of the straight connection part of the piping material inside the recorder, and Figure 3(a) is a sectional view showing another embodiment. (b) (C) is a cross-sectional view and a front view of the smoother used for the connection part of (al), Figure 4 is a cross-sectional view showing another example of the connection part of the above indoor piping material, Figure 5 (a) is a sectional view showing an example of the curved connection part of the above-mentioned indoor piping material, fb) is a partially cutaway front view of the curved connection block used for the connection part of fa),
Figure 6 is a sectional view showing an example of the branch connection part of the above indoor piping material, and Figure 7 (al (bl) is a sectional view and front view showing the connection part between the above indoor piping material and ordinary piping material. 11: Indoor piping material, 12: Water hole, 13a to 13d: Plane part, 14: Fitting convex part, 15: Fitting recess, 16: Water hole, 17: Connecting pipe, 1st: Sveza, 24: Curved water hole, 25: Fitting recess, 26: Curved connection block, 27:
Hollow portion, 30: Branch water hole, 31: Fitting recess, 32: Branch connection block, 33: Cavity portion.

Claims (1)

[Scope of Claims] 1. Has a water passage hole in the internal longitudinal direction, has a flat part in the longitudinal direction of the outer peripheral surface that comes into contact with a wall, ceiling, floor, etc., and has a flat part coaxial with the water passage hole at both ends. An indoor piping material characterized by having a fitting convex part or a fitting concave part. 2. The indoor piping material according to claim 1, characterized in that at least the outer circumferential surface other than the flat portion that contacts the wall, ceiling, floor, etc. is provided with a pattern or color suitable for indoor use. 3. Using a connecting pipe that has a linear water passage hole inside and has an outer diameter that fits into the fitting recess of the indoor piping material according to claim 1, and attaches the above-mentioned indoor piping on both sides of the connecting pipe. A straight connection part of indoor piping material, characterized in that the above-mentioned indoor piping material is butt-connected by fitting the fitting recesses of the materials. 4. The linear connection section according to claim 3, characterized in that a spacer for length adjustment is interposed between the end faces of the indoor piping material. 5. It has a water passage hole bent inside, and the fitting recess (or fitting convexity) into which the fitting convexity (or fitting concavity) of the indoor piping material according to claim 1 fits into the inlet and outlet portions thereof. A curved indoor piping material characterized in that the indoor piping material is connected by using a curved connecting block having a curved connecting block, and fitting the ends of the indoor piping material into the inlet and outlet portions of the curved connecting block. Connection part. 6. The curved connection part according to claim 5, wherein the curved connection block is divided into two parts along a plane passing through the center axis of the curved water passage hole, and the curved connection block is divided into two parts at the curved part of the curved water passage hole. A hollow part that is larger than the inner diameter. 7. It has a branch water passage hole inside, and the fitting concave part (or fitting convex part) into which the fitting convex part (or fitting concave part) of the indoor piping material according to claim 1 fits into the inlet and outlet part thereof. An indoor piping material characterized in that the indoor piping material is branch-connected by using a branch connection block having a section) and fitting the ends of the indoor piping material into the inlet and outlet portions of the branch connection block. Branch connection. 8. The branch connection part according to claim 7, wherein the branch connection block is divided into two in a plane passing through the central axis of the branch water passage hole, and the branch connection block is divided into two parts at the branch part of the branch water passage hole. A hollow part that is larger than the inner diameter.