JP2614964B2 - Sewage basin - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sewage basin, for example, a small sewage basin made of vinyl chloride resin which is installed in a narrow place in a residential area.

[0002]

2. Description of the Related Art Conventionally, large-scale concrete sewage basins installed in drainage pipes in residential lands have been used. However, recently, large sewage basins have been used to build buildings in narrow residential lands. Since it has become difficult to install a basin, a small-sized sewage basin made of vinyl chloride resin has been used. The wastewater basin and drainage main pipe made of vinyl chloride resin can be joined with an adhesive, so that construction is easy, and since the cleaning port is sealed, there is no intrusion of water from outside and odor. Without any leakage to the outside,
Moreover, there is a great advantage that it can be installed even in a narrow place because of its small size.

The sewage basin body of this small sized sewage basin made of vinyl chloride resin has drainage main connection ports formed at both ends,
A cleaning port protrudes from the top, and a branch pipe is formed on the side of the sewage basin body.The connection port of this branch pipe is formed parallel to the drain main pipe connection port according to the piping conditions at the installation site. A plurality of types of sewage basins were used, such as a sewage basin having a structured structure or a sewage basin having a structure formed in an orthogonal direction.

[0004]

However, in the conventional small-sized drainage basin made of vinyl chloride resin, the positions of all the connection ports are fixed, so that the direction of the connection ports depends on the piping conditions at the installation site. However, it is necessary to prepare a plurality of types of sewage basins different from each other, so that there is a problem that mold manufacturing costs increase and production efficiency deteriorates.

The present invention has been made in view of the above points, and provides a sewage basin with improved workability in which a single sewage basin can be used as a plurality of sewage basins having different directions of branch pipe connection ports. Is what you do.

[0006]

The sewage basin of the present invention has a drain main pipe connecting port formed at both ends and a cleaning port formed at the top of the sewage basin body. Forming a branch pipe body having a short protruding dimension in a direction inclined to the branch pipe, and fitting a joint bent at approximately 45 ° integrally to the branch pipe body so as to be rotatable in a circumferential direction to form a branch pipe; By rotating the joint in the circumferential direction of the branch pipe main body, the connection port of the joint changes in a direction parallel or orthogonal to the drain main pipe connection port.

[0007]

In the sewage basin of the present invention, a joint is fitted to a branch pipe body having a short protruding dimension to form a branch pipe, and the joint is rotated in the circumferential direction of the branch pipe body so that a connection port of the joint is formed. Because it changes in parallel or at right angles to the drain main pipe connection port, any one of a plurality of types of sewage basins having a different connection port direction of the joint, that is, of the branch pipe, can be shared by one sewage basin, In addition, since the length of the branch pipe is reduced, piping can be easily performed even in a narrow place.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The construction of one embodiment of the wastewater basin of the present invention will be described below with reference to FIGS.

Reference numeral 1 denotes a sewage basin body formed of a vinyl chloride resin. An invert portion 4 having drain main pipe connection ports 2 and 3 formed at both ends is formed in a straight line at an inner bottom portion, and an upper surface is opened at an upper portion. A substantially cylindrical cleaning port 5 protrudes upward. The drain main pipe connection ports 2 and 3 are connected to an upstream drain main pipe and a downstream drain main pipe (not shown), respectively.

The sewage basin body 1 has an inverting portion 4 at an intermediate side of the inverting portion 4.
The branch pipe main body 6 is formed integrally with the drain main pipe connection port 2 on the upstream side while being inclined in the direction of 5 °. Further, the protrusion dimension L ₁ of the branch pipe main body 6 to the side of the wastewater basin main body ₁ is:
As shown in FIG. 1, the length of a branch pipe such as a conventional 45 ° Y branch pipe is reduced to １ ／ or less. An elbow body 7 as a joint bent at approximately 45 ° and molded with vinyl chloride resin is integrally fitted to the branch pipe main body 6,
A branch pipe 8 is formed.

Further, the connection port to be connected to the elbow body 7 of the branch tube body 6 of the branch pipe 8 is formed, for example, in Saguchi 9, the axial length L ₂ of the Saguchi 9 conventional branch The length of the spigot should be 以下 or less of the length of the spout.
For 00mm length L ₂ of Saguchi 9 to 25mm or less. Further, an annular engaging ridge 11 is formed on the outer peripheral surface near the front end of the spigot 9, and the front end portion 12 has a tapered shape from the back end toward the front end. Is reduced to
The cross section is formed in a substantially trapezoidal shape.

The elbow body 7 of the branch pipe 8 has a connection port for connecting to a drain pipe 13 at one end, for example, a receiving port 14, and the other end connects to the port 9 of the branch pipe body 6. Receiving port 15
Are formed. An engagement groove for engaging with the engagement ridge 11 is provided on the inner peripheral surface of the distal end side of the receiving port 15 of the elbow body 7.
16 is formed in an annular shape.
An annular concave groove 17 is formed on the inner peripheral surface on the deeper end side, and an elastic ring 18 such as a rubber ring is fitted in the annular concave groove 17.

As shown in FIG. 2, the drainage main pipe connection port 2 and the elbow body 7 are provided on the upstream side of the sewage basin body 1.
14 are each formed one step higher than the drain main pipe connection port 3 on the downstream side.

Next, the operation of this embodiment will be described.

The branch pipe 8 is formed by press-fitting the engagement groove 16 of the elbow body 7 into the engagement ridge 11 of the branch pipe body 6, and the elbow body 7 is connected to the branch pipe body 6. Is locked so as to be rotatable in the circumferential direction. In addition, the engagement ridge 11
Is formed in such a manner that the diameter of the distal end portion 12 is reduced in a tapered shape from the rear end to the distal end. Easy. Further, the elastic ring 18 fitted in the annular groove 17 of the elbow body 7
Is fitted to the outer peripheral surface of the branch pipe main body 6, whereby watertightness is maintained.

Then, the elbow body 7 is rotated in the circumferential direction of the branch pipe main body 6, and as shown by a solid line, the receiving port 14 of the elbow body 7 is positioned in a direction orthogonal to the drain main pipe connection port 2 on the upstream side. When you do
The drain pipe 13 can be connected to the receptacle 14 by being positioned orthogonal to the drain main pipe connection port 2.

From this state, the elbow body 7 is further rotated by 180 ° in the circumferential direction of the branch pipe main body 6, and as shown by the two-dot chain line, the receiving port 14 of the elbow body 7, ie, the receiving port of the branch pipe 8, When the drain pipe 14 is positioned parallel to the drain main pipe connection port 2 on the upstream side, the drain pipe 13
Can be positioned parallel to the drain connection 2 and connected to the receptacle 14.

In this way, by rotating the elbow body 7 in the circumferential direction of the branch pipe main body 6, the receiving port 14 of the branch pipe 8 is formed in parallel with the drain main pipe connection port 2 on the upstream side. One of the sewage basins formed in the orthogonal direction can also be used as one sewage basin.

When the receiving port 14 is positioned in parallel with the drain main pipe connecting port 2 as shown by a two-dot chain line, the branch pipe main body 6
Since projection dimension L ₁ of is shorter, as compared with the case where the distance L ₃ between the side and the receptacle 14 of the sewage Masumoto body 1 using a branch pipe of a conventional 45 ° Y structure, shortening Can be. Therefore, even if the space on the side of the sewage basin main body 1 is narrow, the sewage basin can be installed.

Further, since the branch pipe body 6 is formed so as to be inclined at an angle of approximately 45 ° toward the upstream side with respect to the invert part 4, the structure is such that drainage is difficult to flow back to the upstream side.
As shown in FIG. 2, since the upstream drainage main pipe connection port 2 is formed one step higher than the downstream drainage main pipe connection port 3, the wastewater flowing from the receiving port 14 of the branch pipe 8 is discharged to the upstream side. Backflow can be reliably prevented. Further, since the receiving port 14 of the branch pipe 8 is also formed one step higher than the drain main pipe connection port 3 on the downstream side, the drainage flowing from the drain main pipe connection port 2 on the upstream side flows back to the branch pipe 8 side. Can be reliably prevented.

In the above-described embodiment, the engaging ridge 11 is formed annularly at the spigot 9 of the branch pipe main body 6. However, the present invention is not limited to this structure. Any structure may be used as long as it can be stopped. For example, a structure in which an intermediate portion of the annular engaging ridge 11 is omitted may be employed.

In each embodiment, the receiving port 15 of the elbow body 7 is used.
Has an engagement groove 16 at the distal end and an annular groove 17 at the far end, but has an annular groove 17 at the distal end and an engagement groove 16 at the far end. It can also be formed.

Further, in each of the embodiments, the upstream main drain connection port 2 and the receiving port 14 of the elbow body 7 are formed one step higher than the downstream main drain connection port 3, respectively. The pipe connection port 2 and the receiving port 14 can be formed at the same height as the drain main pipe connection port 3, respectively.

Further, in each embodiment, the connection port of the elbow body 7 is not limited to the receiving port 14, but may be a port.

[0025]

According to the sewage basin of the first aspect of the present invention, the joint is fitted to the branch pipe main body having a short protruding dimension to form a branch pipe, and the joint is rotated in the circumferential direction of the branch pipe main body. By doing
Since the connection port of the joint changes in parallel or at right angles to the connection port of the drainage main pipe, any one of multiple types of sewage basins with different connection port directions of the joint, that is, the branch pipe, can be shared by one sewage basin. can do. Therefore, it is not necessary to use a plurality of types of sewage basins in which the direction of the connection port of the branch pipe differs depending on the piping situation at the installation site, so that production efficiency can be improved and workability is improved. In addition, since the projecting dimension of the branch pipe is shortened, the distance between the connection port of the branch pipe and the side of the wastewater basin main body is shortened, so that piping can be easily performed even in a narrow place.

[Brief description of the drawings]

FIG. 1 is a partially cutaway plan view showing a wastewater basin according to an embodiment of the present invention.

FIG. 2 is a front view of the same.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Sewage basin main body 2, 3 Drainage main pipe connection port 5 Cleaning port 6 Branch pipe main body 7 Elbow body as a joint 8 Branch pipe 11 Engagement ridge 14 Receptacle as a connection port of a joint 16 Engagement groove 17 Annular concave Groove 18 Elastic ring L ₁ Projection dimension

Claims (1)

(57) [Claims] 1. A short branch pipe main body having a projecting dimension which is inclined approximately 45 ° to the upstream side is provided on a side portion of a sewage basin main body having a drain main pipe connection port formed at both ends and a cleaning port protruding upward. And a joint bent at approximately 45 ° is integrally fitted to this branch pipe body so as to be rotatable in the circumferential direction to form a branch pipe, and the joint is rotated in the circumferential direction of the branch pipe body. The sewage basin according to claim 1, wherein a connection port of the joint changes in a direction parallel or perpendicular to the drain main pipe connection port.