JP2012136918A - Sleeve member for piping - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a sleeve member for piping, which allows a plurality of pipe bodies to be easily installed.SOLUTION: A sleeve member 1 for piping is disposed in a through hole 4 penetrating through a foundation 2 of a building so as to install a plurality of pipe bodies 3 in the foundation 2. The sleeve member 1 for piping comprises a sleeve body 12 formed of a hard material and a pipe holding member 13 formed of a flexible material. The sleeve body 12 has a plurality of piping portions 11 with one end communicating with another end. The pipe body 3 can be inserted inside the pipe holding member 13 which is fitted in the piping portion 11. In a state that one pipe body 3 is installed, other piping portions 11 of the sleeve body 12 are hardly deformed due to the sleeve body 12 formed of a hard material and the pipe holding member 13 formed of a flexible material. Consequently, other pipe bodies 3 can be easily inserted through the other pipe holding members 13. Piping of a plurality of the pipe bodies 3 can be thereby easily performed.

Description

  The present invention relates to a piping sleeve member for installing a pipe such as a water supply / drainage pipe on a foundation formed of concrete or the like in a building.

  Conventionally, when pipes, such as a water supply / drainage pipe, are piped on the foundation of a building, a paper tube called a void pipe has been used.

  Specifically, when placing the foundation, the void pipe is fixed to the reinforcing bars stretched around the foundation, and the concrete is poured and solidified after being surrounded by the formwork, and the void pipe is removed after the formwork is removed. The cylindrical through-hole part is formed in the foundation by extracting.

  In addition, a pipe body such as a water supply / drainage pipe is inserted into the through-hole portion, and thereafter, the gap between the through-hole portion and the pipe body is filled with mortar, and the pipe body is piped in the foundation.

  However, the work of filling the gap between the through-hole portion and the tube body with mortar is troublesome, and further, there is a problem that variations in finishing occur due to the difference in the ability of the operator.

  Therefore, as a piping sleeve member used for omitting the work of filling mortar, a configuration in which a flexible plate-like body having a pipe insertion hole slightly smaller than the outer diameter of the pipe body is provided is known. (For example, refer to Patent Document 1).

  In this configuration, since the diameter of the pipe insertion hole of the flexible plate-like body is slightly smaller than the outer diameter of the pipe body, when the pipe body is inserted into the pipe insertion hole while bending the flexible plate-like body, this pipe body Since the outer peripheral surface of this is in close contact with the inner peripheral edge of the pipe insertion hole, no gap is formed and it is not necessary to fill the mortar.

JP 2002-303042 A (page 2-5, FIG. 1)

  However, in the configuration of the above-described Patent Document 1, for example, when three pipe bodies of a hot water supply pipe, a supplementary inflow pipe for a bathtub, and an outflow pipe are collectively piped and drawn into the indoor, Since it is necessary to dispose them individually and the work becomes complicated, a plurality of pipes cannot be easily piped, and the cost increases.

  Further, in the configuration of Patent Document 1, it is conceivable that the flexible plate-shaped body is provided with three pipe insertion holes. However, when the pipe body is inserted into one pipe insertion hole, the other pipe insertion holes are also formed. Since it bends greatly, there is a problem that it is difficult to insert another pipe body and it is difficult to pipe a plurality of pipe bodies.

  This invention is made | formed in view of such a point, and it aims at providing the sleeve member for piping which can piping a some pipe body easily.

  The piping sleeve member according to claim 1 is a piping sleeve member that is disposed in a through-hole portion that is formed through a foundation of a building, and that pipes a plurality of pipes. A sleeve body having a plurality of pipe portions communicating from the side to the other end side, and a tube body holding member that can be inserted into the pipe body in a state of being fitted in the pipe portion, It is made of a hard material, and the tube holding member is made of a flexible material.

  The piping sleeve member described in claim 2 is the piping sleeve member according to claim 1, wherein the piping portion is provided with a plurality of slits from one end side to the other end side.

  The piping sleeve member described in claim 3 is the piping sleeve member according to claim 1 or 2, wherein each of the piping parts has the same shape.

  The piping sleeve member described in claim 4 is the piping sleeve member according to claim 1 or 2, wherein at least one of the piping parts is an elliptical piping part having a substantially elliptical shape in cross section. The tubular body holding member fitted into the elliptical piping section can be inserted through a tubular body having two parallel tubular sections.

  According to the first aspect of the present invention, since the sleeve body is formed of a hard material and the tube body holding member is formed of a flexible material, it is in a state where one tube body is piped. However, since the other piping part of the sleeve body is not easily deformed and the other pipe body can be easily inserted into the other pipe body holding body, a plurality of pipe bodies can be easily piped.

  According to the second aspect of the present invention, since a plurality of slits are provided in the pipe portion, the pipe portion is easily deformed in the diameter increasing direction when the pipe body is inserted, and the pipe body is easily inserted. Easy piping.

  According to the invention described in claim 3, since the pipe portions have the same shape, the outer shape of the tube body holding member can be unified, and the tube body holding member so as to correspond to the shape of the inserted tube body. By simply changing the inner shape of the tube, it can be easily adapted to various tube types.

  According to the invention described in claim 4, since the elliptical piping portion is provided, even a pipe body having two parallel pipe portions called a pair tube can be easily piped.

It is sectional drawing which shows the structure of the sleeve member for piping which concerns on the 1st Embodiment of this invention. It is a front view of the sleeve member for piping same as the above. It is sectional drawing of the sleeve member for piping same as the above. It is sectional drawing which shows the modification of the sleeve main body of the sleeve member for piping same as the above. It is sectional drawing which shows the structure of the sleeve member for piping which concerns on the 2nd Embodiment of this invention. It is a front view which shows the sleeve member for piping same as the above. It is sectional drawing which shows the sleeve main body of the sleeve member for piping same as the above. It is a front view which shows the sleeve main body of the sleeve member for piping which concerns on the 3rd Embodiment of this invention.

  The configuration of the first embodiment of the present invention will be described in detail below with reference to FIGS.

  In FIG. 1, 1 is a piping sleeve member, and this piping sleeve member 1 is used for piping a pipe body 3 such as a water supply / drainage pipe in a foundation 2 formed of concrete or the like in a building such as a house. Used for.

  In the pipe sleeve member 1, the pipe body 3 is inserted in a state where the pipe sleeve member 1 is disposed through a substantially cylindrical socket member 5 in a through-hole portion 4 formed through the foundation 2.

  The tube body 3 is configured by a so-called corrugated tube including a straight tubular inner tube portion 6 and an outer tube portion 9 provided outside the inner tube portion 6 and having an annular recess 7 and an annular protrusion 8. Has been.

  As shown in FIGS. 1 to 3, the piping sleeve member 1 includes a sleeve main body 12 having a plurality of, for example, three piping portions 11, and a tubular body 3 inserted inside the piping portion 11 while being fitted in the piping portion 11. And a possible tube holding member 13.

  The sleeve main body 12 is formed of a hard material such as hard plastic so that the other piping part 11 is not deformed by the influence of the already inserted pipe body 3.

  Further, the sleeve body 12 has a substantially cylindrical side surface portion 14 whose outer diameter is slightly smaller than the inner diameter of the socket member 5, and a closing surface portion 15 provided integrally with one end portion of the side surface portion 14.

  The piping part 11 is integrally provided from the closing surface part 15 toward the other end side, and communicates from one end side to the other end side of the sleeve main body 12.

  In addition, each piping part 11 has the same shape, the substantially cylindrical pipe part main body 16 provided integrally with the closing surface part 15, and the other end of the piping part main body 16 opposite to the closing surface part 15 And a locking portion 17 that protrudes inward from the piping portion main body 16.

  Such a pipe portion 11 can be fitted with the tube body holding member 13 inside the pipe portion main body 16, and the end portion of the fitted tube body holding member 13 is locked by the locking portion 17. .

  The tube body holding member 13 is formed of a soft flexible material such as ethylene propylene rubber (EPDM) so as to bend according to the size and shape of the tube body 3 to be inserted. In addition, it is particularly preferable to add an ant inhibitor to this EPDM, since white ants can be prevented from breaking through and entering.

  The tube holding member 13 has a substantially cylindrical holding member main body 18 whose outer diameter is slightly smaller than the inner diameter of the pipe section 11 and whose inner diameter is inserted, and an inner peripheral surface of the holding member main body 18. And a plurality of, for example, five protrusions 19 projecting from the projection. These protrusions 19 have a substantially triangular shape in sectional view in a direction along the axial direction of the pipe body 3 to be piped.

  The tubular body holding member 13 can be inserted into the holding member main body 18 while being fitted inside the piping portion 11.

  Further, in the tubular body holding member 13, the protrusion 19 engages with the annular concave portion 7 and the annular convex portion 8 which are the outer peripheral surfaces of the tubular body 3 inserted in the holding member main body 18.

  Next, the operation and effect of the first embodiment will be described.

  When piping the tubular body 3 using the piping sleeve member 1, first, the tubular body holding member 13 is inserted into the piping body 16 of one piping section 11 from one end side to the other end side, The end of the tube body holding member 13 is locked to the locking portion 17, and the tube body holding member 13 is fitted to the piping portion 11.

  Further, one tubular body 3 is inserted from one end side to the other end side of the holding member main body 18 in the tubular body holding member 13 fitted in the piping portion 11, and the tubular body is inserted into the tubular body holding member 13. 3 is inserted.

  When the tubular body 3 is inserted into the tubular body holding member 13, the protrusion 19 of the tubular body holding member 13 is engaged with the annular concave portion 7 and the annular convex portion 8, which are the outer peripheral surfaces of the tubular body 3, while being bent. And the tube body holding member 13 are in a watertight state.

  Similarly, the other tube body 3 is inserted into the tube body holding member 13 fitted to the other pipe portion 11, and the tube body 3 is piped to each pipe portion 11 via the tube body holding member 13.

  In addition, when the pipe body 3 is not piped to all of the plurality of pipe sections 11, a cap can be fitted to the unused pipe section 11 to close it.

  According to such a piping sleeve member 1, since the tube body holding member 13 is formed of a flexible material, when the tube body 3 is inserted into the tube body holding member 13, Depending on the shape, the tube holding member 13 bends and can be easily and accurately inserted and piped, and since the sleeve body 12 is formed of a hard material, one tube 3 is in a piped state. However, the other piping part 11 is not easily deformed by the influence of the piped pipe body 3. Accordingly, the other tube bodies 3 can be easily and accurately inserted into the other tube body holding members 13 in the same manner, so that a plurality of tube bodies 3 can be easily piped.

  Moreover, since each piping part 11 is the same shape, respectively, even when piping the pipe body 3 from which a shape differs, the shape of the outer side of the pipe body holding member 13 can be unified, and the shape of the pipe body 3 penetrated Therefore, it is only necessary to change the inner shape of the tube body holding member 13, that is, the thickness dimension of the holding member main body 18 and the shape and size of the protruding portion 19, so that the tube body 3 of various tube types can be easily used. It can correspond to.

  Further, since the pipe portion 11 is provided with the locking portion 17, when the tube body 3 is inserted through the tube body holding member 13 fitted to the pipe portion 11, the pipe body holding member 13 is engaged with the locking portion 17. Since the tube body holding member 13 is fixed at an appropriate installation position, the tube body 3 can be inserted in a stable state, and the tube body 3 can be accurately piped.

  In addition, since the tube body holding member 13 has a plurality of protrusions 19, each protrusion 19 is engaged with the outer peripheral surface of the tube body 3 simply by inserting the tube body 3 into the tube body holding member 13. 3 and the tube body holding member 13 are in a watertight state, so that the tube body 3 can be easily and accurately piped. In particular, even when the tubular body 3 is a corrugated tube having the annular recess 7 and the annular projection 8, the tip of the protrusion 19 enters and engages with the annular recess 7 so that piping can be accurately performed.

  In the first embodiment, the corrugated pipe is provided as the pipe body 3. However, the pipe body 3 is not limited to such a configuration, and can be applied to the pipe bodies 3 of various pipe types.

  The piping sleeve member 1 is configured to be disposed on the foundation 2 via the socket member 5, but is not limited to such a configuration. For example, as shown in FIG. A flange portion 20 is provided on the side surface portion 14, and the side surface portion 14 of the sleeve body 12 is inserted into a pipe member (not shown) provided in the foundation 2 so that the flange portion 20 is in contact with one end portion of the pipe member. It may be configured to be provided.

  The sleeve body 12 has a configuration in which the three piping portions 11 are provided. However, the configuration is not limited to such a configuration, and the number of the piping portions 11 can be appropriately designed according to the number of pipe bodies 3 to be piped.

  Moreover, since the unused piping part 11 can be closed by fitting a cap, if the number of the piping parts 11 is designed to be larger than the expected number of the pipe bodies 3, the number of pipes of the pipe body 3 can be widened. .

  If the number of pipes is widened in this way, for example, even if the number of pipes 3 to be piped for future reforming or the like increases, the foundation 2 is destroyed and a new pipe sleeve is provided. There is no need to dispose the member 1, and a new tubular body 3 can be inserted simply by removing the cap.

  Each piping unit 11 has a configuration having the same shape, but is not limited to such a configuration, and each piping unit 11 may have a different shape.

  Furthermore, although the piping part 11 was set as the structure in which the latching | locking part 17 was provided, it is not limited to such a structure, What is necessary is just a structure which the pipe body holding member 13 can fit.

  The tubular body holding member 13 has a substantially cylindrical configuration. However, the tubular body holding member 13 is not limited to such a configuration. For example, the tubular body holding member 13 can be fitted inside the piping portion 11 and can be inserted through the tubular body 3. It may be a ring.

  In addition, the tubular body holding member 13 is configured to include the protrusions 19, but is not limited to such a configuration, and the tubular body holding member 13, the tubular body 3, and the tubular body 3 are inserted in a state where the tubular body 3 is inserted. As long as the structure is watertight, it is sufficient.

  In the configuration in which the projections 19 are provided on the tube holding member 13, the configuration is not limited to the configuration in which the five projections 19 having a substantially triangular shape in cross section are provided, and the shape and number of the projections 19 are appropriately determined. Can be set.

  Here, as in the first embodiment, the pipe body holding member 13 itself is not limited to a configuration in which the pipe body holding members 13 are fitted into the pipe parts 11. Need not be the same number. That is, for example, a configuration in which a plurality of tube body holding members 13 are aggregated and integrally connected to each other, and each holding portion main body 18 of each tube body holding member 13 may be fitted to the pipe portion 11 may be used.

  In particular, if it is possible to narrow down in advance the types of pipes 3 to be piped during construction, there is no need to consider the combination of the types of pipes 3, so that the pipe holding member 13 connected integrally is connected to the pipe part 11. By adopting a configuration that fits in, it is possible to prevent a construction trouble that the construction is performed in the wrong combination.

  Next, a second embodiment will be described with reference to FIGS. In addition, about the structure and effect | action same as the said 1st Embodiment, the same code | symbol is attached | subjected and the description is abbreviate | omitted.

  As shown in FIGS. 5 to 7, the piping portion 21 is integrally provided with a protruding portion 23 that protrudes inward from the piping portion main body 22 at the other end of the piping portion main body 22 opposite to the closing surface portion 15. ing.

  The piping portion 21 is provided with a plurality of slits 24 from one end side to the other end side.

  The slits 24 are provided by cutting the piping unit body 22 from between one end and the other end of the piping unit body 22 to the other end, and each slit 24 extends along the circumferential direction of the piping unit body 22. Are separated from each other and are parallel to each other. Note that the protrusions 23 are separated from each other through the slit 24.

  A ring-shaped tube body holding member 25 formed of a flexible material is fitted to the inner peripheral surface of the pipe body 22 where the slit 24 on one end side is not provided.

  The tubular body holding member 25 includes a ring-shaped ring main body 26 and a protrusion 27 that protrudes inward from the ring main body 26.

  When piping the tube body 3, first, the tube body 3 is inserted into the ring body 26 of the tube body holding member 25.

  When the tube body 3 is inserted into the ring body 26, the protrusion 27 enters the annular recess 7, and the protrusion 27 engages with the outer peripheral surface of the tube 3 to be in a watertight state.

  Depending on the degree of water tightness required, the tube body holding member 25 may not be provided with the protrusions 27 and may be simplified to the structure of the ring body 26 only.

  Next, the tube body holding member 25 in a state where the tube body 3 is inserted is inserted from one end side of the pipe portion main body 22 toward the other end side.

  When the tubular body holding member 25 in a state where the tubular body 3 is inserted is inserted into the piping section main body 22, the tubular body holding member 25 is fitted inside the piping section main body 22 at one end side of the piping section 21. In addition, on the other end side of the pipe portion 21, the outer peripheral surface of the tube body 3 comes into contact with the tip of each protrusion 23, each protrusion 23 is deformed in the diameter increasing direction, and the other end side of the pipe portion 21 is expanded. The tube body 3 is inserted through the diameter.

  As described above, since the pipe portion 21 is provided with a plurality of slits 24, when the pipe body 3 is inserted, the pipe portion 21 is easily deformed in the diameter increasing direction, and the pipe body 3 can be easily inserted. The pipe body 3 can be easily piped.

  In this embodiment, the slit 24 is configured to be provided from one end portion and the other end portion of the piping portion 21 to the other end portion. However, the slit 24 is not limited to such a configuration. The length and shape of the pipe part 21 can be appropriately designed as long as the pipe part 21 is provided from one end side to the other end side, for example, the configuration provided from one end part of the pipe part 21 to the other end part. It may be.

  Next, a third embodiment will be described with reference to FIG. In addition, about the structure and effect | action same as the said 1st Embodiment, the same code | symbol is attached | subjected and the description is abbreviate | omitted.

  As shown in FIG. 8, the sleeve main body 12 includes a circular pipe portion 31 having a substantially circular shape in cross section in the direction orthogonal to the axial direction of the pipe body 3 to be piped, and the direction orthogonal to the axial direction of the pipe body 3 to be piped. And an elliptical piping section 32 having a substantially elliptical shape in cross section. That is, the sleeve main body 12 is provided with a circular pipe part 31 and an elliptical pipe part 32 having different shapes, and one of the plurality of pipe parts is the elliptical pipe part 32.

  A tubular body holding member (not shown) having a substantially elliptical shape in cross section, which is not shown, can be fitted to the elliptical piping section 32. A tubular body (not shown) is fitted to the tubular body holding member fitted to the elliptical piping section 32. The pair tube can be inserted.

  This pair tube has two parallel pipe parts, and these pipe parts are covered with a cover body, and are used, for example, as a pipe for additional cooking or a pipe for warm water floor heating.

  Thus, since not only the circular piping part 31 but the elliptical piping part 32 is provided in the sleeve main body 12, even when it is a case where a pair tube is piped, it can pipe easily.

  In addition, when the elliptical piping part 32 is formed, it can be easily manufactured based on the molding of the piping part 11 of the first embodiment, so that the mold can be simply inserted and replaced. Mold cost can be kept low.

  In the third embodiment, one circular pipe section 31 and one elliptic pipe section 32 are provided. However, the present invention is not limited to such a configuration, and at least of the plurality of pipe sections. If one is an elliptical piping section 32, the number of circular piping sections 31 and elliptical piping sections 32 can be set as appropriate.

DESCRIPTION OF SYMBOLS 1 Sleeve member for piping 2 Foundation 3 Tubing body 4 Through-hole part
11 Piping section
12 Sleeve body
13 Tube holding member
21 Piping section
24 slits
25 Tube holding member
32 Elliptical piping

Claims (4)

A piping sleeve member that is disposed in a through-hole portion that is formed through the foundation of a building and pipes a plurality of pipes,
A sleeve main body having a plurality of pipe portions communicating from one end side to the other end side;
A tubular body holding member that can be inserted through the tubular body on the inside in a state of being fitted to the piping portion;
The sleeve body is formed of a hard material,
The pipe sleeve member is formed of a flexible material. The piping sleeve member according to claim 1, wherein the piping portion is provided with a plurality of slits from one end side to the other end side. Each piping part is the same shape, respectively. The sleeve member for piping of Claim 1 or 2 characterized by the above-mentioned. At least one of the piping parts is an elliptical piping part having a substantially elliptical shape in cross section,
The pipe sleeve member according to claim 1 or 2, wherein the pipe body holding member fitted into the elliptical pipe section is capable of inserting a pipe body having two parallel pipe sections.

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