JPH0618128Y2 - House foundation piping structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION Industrial Field of the Invention The present invention relates to a house foundation which is advantageously used for fixing and piping to a concrete foundation of a house for supplying city gas into the house, for example. Related to piping structure.

PRIOR ART FIG. 6 is a perspective view of a typical prior art. A base 2 is placed along the concrete foundation 1 of the house,
A head 4 is arranged in a vent 3 provided below the base 2. A plurality of branch pipes 5 are connected to the header 4, and the branch pipes 5 are connected to the kitchen and living room cocks provided in the house under the floor.

In order to fix the tube 6 rising from the ground to the side surface of the foundation 1, a fixing metal fitting 7 formed in a substantially T shape is used.
The fixing metal fitting 7 has a flange portion 8, and a concrete screw 9 is inserted into an insertion hole formed in the flange portion 8 and screwed into the foundation 1 to fix the fixing metal fitting 7 to the side surface of the foundation 1.

DISCLOSURE OF THE INVENTION Problems to be Solved by the Invention In such a prior art, in order to connect the branch pipe 5 to the header 4, it is necessary to use the vent hole 3 provided in the foundation 1 in advance. Therefore, the piping work is restricted, and the header 4 and the branch pipe 5 cannot be easily connected by inserting the foundation 1. Further, it is difficult to close the periphery of the branch pipe 5, and a mouse or a snake may come in or out from here.

The purpose of the present invention is not to use an existing vent hole to connect the header 4 and the branch pipe 5, but to easily insert the concrete foundation 1 or the like to be attached to the header 4 and the branch pipe 5 easily. (EN) It is possible to provide a piping structure for a house foundation that can be connected and that can completely fix the insertion hole and can be firmly fixed without wobbling.

Means for Solving the Problems The present invention provides (a) a concrete foundation 20 of a house, in which a mounting hole 36 having a horizontal axis and having a circular cross section perpendicular to an axis is formed; b1) It has a horizontal axis L and one end is in the mounting hole 36.
Right cylindrical short cylindrical portion 29 partially fitted in the direction
And (b2) one end plate 2 that closes the one end of the short cylindrical portion 29.
6 and (b3) the other end plate 27 that closes the other end of the short cylindrical portion 29.
(B4) The short cylindrical portion 29 is formed so as to project outward in the radial direction near the one end of the short cylindrical portion 29, and the foundation 20 is formed at the outer peripheral portion of the mounting hole 36.
The annular bracket 33 that abuts the outer surface 20a of the bracket and (b5) both sides of the straight line L1 perpendicular to the axis L of the short cylindrical portion 29 project outward in the radial direction of the bracket 33 to form insertion holes 35a and 35b. Pair of mounting pieces 34a, 3
4b and (b6) a plurality of second connecting portions 32a, 32b, each of which has an axis parallel to the axis L and is formed so as to project in the axial direction of the one end plate 26 and in which an inner screw is engraved. ... and (b7) near the other end plate 27 of the short cylindrical portion 29, the axis L
And a single first connecting portion 30 having a connecting means formed therein, extending in a direction perpendicular to the straight line L1 in a direction not overlapping the straight line L1 and projecting outward in the radial direction of the short cylindrical portion 29. 28 and (c) fixing members 38a, 38 which are inserted into the insertion holes 35a, 35b, respectively, and which fix the header main body 28 to the foundation 20.
b, and (d) branch pipes 31a, 31b each having an outer screw threaded with an inner screw thread of the second connection portion 32a, 32b, ... And extending through the mounting hole 36 toward the inside of the house rather than the foundation 20. , (E) Connected by the connecting means of the first connecting portion 30,
A piping structure for a house foundation, which includes a pipe 23 partially buried in the ground outside the foundation 20.

Operation According to the present invention, a single first connecting portion is provided on the peripheral wall of the short cylindrical portion, and a pipe to which a fluid is supplied is connected to the first connecting portion. Further, a plurality of second connecting portions are provided on one end plate of the short cylindrical portion, and a plurality of branch pipes are connected to the second connecting portions. Therefore, when a fluid such as gas is supplied to the Hedda body from the pipe connected to the first connecting portion, the fluid can be supplied by branching to the branch pipe connected to the second connecting portion. Further, since the head main body is formed in a cylindrical shape, when fixing the head main body to an object to be attached such as a concrete foundation, for example, an attachment hole having an inner diameter slightly larger than the outer diameter of the short cylinder is used for the existing drill. A hole near the second connecting portion of the header body can be inserted into this mounting hole. Therefore, the piping work can be performed easily without requiring labor for piping work.
Workability is improved, and construction costs and other costs can be reduced. Further, a bracket is provided in a ring shape protruding radially outward toward one end plate of the short cylindrical portion, thereby closing the mounting hole of the base having an inner diameter slightly larger than the outer diameter of the short cylindrical portion, and further shortening it. Since the mounting pieces protruding outward in the radial direction of the bracket are provided on both sides on a straight line perpendicular to the axis of the cylindrical portion, and the header body is fixed to the foundation with fixing members such as concrete screws in the insertion holes in the mounting pieces. A margin can be provided between the inner diameter of the mounting hole and the outer diameter of the short cylindrical portion, and it can be fixed at a position away from the edge of the mounting hole. Does not collapse. Since the first connecting portion and the line connecting the pair of mounting pieces do not overlap each other, preferably at a right angle, the mounting of the header body is not obstructed by the first connecting portion.

Embodiment FIG. 1 is a perspective view of an embodiment of the present invention. A base 21 is arranged along the concrete foundation 20 of the house, and a pipe 23 rising from the ground surface on the outdoor side of the foundation 20.
A header 24 is connected to. A plurality of branch pipes (see FIG. 3) 31a and 31 passing under the floor to kitchen and living room cocks provided with fluid such as city gas, which are supplied from the pipe 23 by the header 24, are provided.
b, 31c.

FIG. 2 is a front view of the header 24, and FIG. 3 is a sectional view thereof. The header 24 includes a short cylindrical portion 25 and a short cylindrical portion 2
Body 2 having end plates 26 and 27 for closing both ends of 5
8 and the peripheral wall 2 of the short cylindrical portion 25 of the header main body 28.
9, a first connecting portion 30 to which the pipe 23 is connected
And a plurality of second connecting portions 32a, 32b, 32c provided on one side plate 26 of the header main body 28 and to which a plurality of branch pipes 31a, 31b, 31c are connected. , A bracket 33 protruding radially outward
Are formed over the entire circumference in the circumferential direction. In the bracket 33, a pair of mounting pieces 34a, on a straight line L1 which is perpendicular to the axis L of the short cylindrical portion 29 and does not overlap the first connecting portion,
34b is formed, and insertion holes 35a and 35b are formed in the attachment pieces 34a and 34b. A mounting hole 36 having an inner diameter slightly larger than the outer diameter of the head main body 28 is formed in the concrete foundation 20 by inserting it in the thickness direction of the concrete foundation 20 using a drill or the like.

An inner thread is engraved on the inner peripheral surface of the first connecting portion 30, and an outer screw engraved on the outer peripheral surface of the tube 23 is screwed to screw the tube 23 onto the first connecting portion 30. A part of the head body 28 closer to the one end 26 is inserted into the mounting hole 36, and as shown in FIG. 4, a fixing member 38 such as a concrete screw is provided.
It is fixed to the foundation 20 by a and 38b.

Inner threads are engraved on the inner peripheral surfaces of the second connecting portions 32a to 32c, respectively, and outer threads engraved on the outer peripheral surfaces of the branch pipes 31a to 31c are screwed together to form the second connecting portion 32a. ~ 3
Branch pipes 31a to 31c are screwed to 2c.

When a fluid such as city gas is supplied from the pipe 23 to the internal space 37 in the Hedda body 28 via the first connecting portion 30, the branch pipes 31a to 31c are passed through the second connecting portions 32a to 32c.
The city gas is supplied to, and the branch pipes 31a to 31c are connected to the kitchen and living room cocks in the house through the floor or the like, and can be used.

FIG. 5 is a front view of another embodiment of the present invention. In the above-described embodiment, although the inner screw is formed on the inner peripheral surface of the first connecting portion 30 to connect the pipe 23, the header body 2
It is also possible to form a first connecting portion 30a having a predetermined length on the pipe 8 and connect the pipe 23 to the tube 23 so as to be expandable and contractible in the axial direction. In this pipe 23, an annular rubber ring 41 made of an elastic material such as rubber, which is inserted into the first connection portion 30a,
The annular retainer 42, the fireproof packing 43, the ball band 44, and the push ring 45 are bonded together. The outer peripheral surface of the rubber ring 41 comes into air-tight contact with the inner peripheral surface of the connecting portion 30a by engaging a wrench or the like with the engaging portion 46 of the push ring 45 and tightening the inner peripheral surface of the rubber ring 41 of the pipe 23. Airtightly contacts the outer peripheral surface. Thereby, the airtightness between the pipe 23 and the first connecting portion 30a can be achieved. In addition, even if the foundation 20 and the pipe 23 are relatively displaced due to an earthquake or ground subsidence, the first connecting portion 30a can be displaced in the axial direction of the pipe 23, so that a reliable airtight state can be obtained. Can be kept.

Effect of the Invention According to the present invention, the head main body can be easily attached to a concrete foundation or the like, and a plurality of branch pipes connected to the second connection part can be supplied with fluid supplied from the pipe connected to the first connection part. Can be branched and supplied. Therefore, the efficiency of the mounting work is improved and the convenience is improved.

In addition, the mounting holes formed in the concrete foundation are completely closed by the bracket, and there is no risk of mice and snakes coming in and out from here.

[Brief description of drawings]

FIG. 1 is a perspective view of an embodiment of the present invention, and FIG. 2 is a header 2
4 is a front view, FIG. 3 is a sectional view thereof, and FIG.
FIG. 5 is a sectional view in the vicinity of a, FIG. 5 is a sectional view of another embodiment of the present invention, and FIG. 6 is a perspective view of a typical prior art. 20 ... Concrete foundation, 21 ... Foundation, 23 ... Pipe, 24
... Hedda, 25 ... right cylindrical shape, 26,27 ... end plate, 28 ...
Hedsda body, 30, 30a ... First connection portion, 31a to 31
c ... Branch pipe, 32a to 32c ... Second connection part, 33 ... Bracket, 34a, 34b ... Attachment piece, 35a, 35b ...
Insertion port, 36 ... Mounting hole

Continuation of the front page (56) References Open 52-147922 (JP, U) Open 56-12193 (JP, U) Open 45-12693 (JP, Y1)

Claims (1)

[Scope of utility model registration request] 1. (a) On a concrete foundation 20 of a house,
A mounting hole 36 having a horizontal cross-section and having a circular cross section perpendicular to the axis is formed. (B) The head main body 28 has (b1) the horizontal axis L, and one end of the mounting hole 36 has the axis L.
Right cylindrical short cylindrical portion 29 partially fitted in the direction
And (b2) one end plate 2 that closes the one end of the short cylindrical portion 29.
6 and (b3) the other end plate 27 that closes the other end of the short cylindrical portion 29.
(B4) The short cylindrical portion 29 is formed so as to project outward in the radial direction near the one end of the short cylindrical portion 29, and the foundation 20 is formed at the outer peripheral portion of the mounting hole 36.
The annular bracket 33 that abuts the outer surface 20a of the bracket, and (b5) both sides on a straight line L1 that is perpendicular to the axis L of the short cylindrical portion 29 project outward in the radial direction of the bracket 33, and the insertion holes 35a and 35b are formed. A pair of mounting pieces 34a formed,
34b and (b6) a plurality of second connecting portions 32a, 32b, which are formed on one of the end plates 26, have an axis parallel to the axis L, and are formed so as to project in the axial direction, and are engraved with internal threads. ... and (b7) near the other end plate 27 of the short cylindrical portion 29, the axis L
And a single first connecting portion 30 having a connecting means formed therein, extending in a direction perpendicular to the straight line L1 in a direction not overlapping the straight line L1 and projecting outward in the radial direction of the short cylindrical portion 29. 28 and (c) fixing members 38a, 38 which are inserted into the insertion holes 35a, 35b, respectively, and which fix the header main body 28 to the foundation 20.
b, and (d) branch pipes 31a, 31b each having an outer screw threaded with an inner screw thread of the second connection portion 32a, 32b, ... And extending through the mounting hole 36 toward the inside of the house rather than the foundation 20. , (E) Connected by the connecting means of the first connecting portion 30,
A piping structure for a house foundation, comprising a pipe 23 which is partially buried in the ground outside the foundation 20.