JPH0516887U - Drain - Google Patents

Abstract

(57) [Summary] [Purpose] The lid does not require any troublesome operation to attach and detach, and rainwater and muddy water on the ground surface do not enter the drainage basin from the engaging part of the lid and drainage. Drainage will not be drained from the engaging / joining parts of the forming members of the main body, and will not be leaked to the inside of rainwater or muddy water in the ground. [Structure] In the engaging portion between the main body and the lid 4 or in the engaging portion between the forming members forming the main body, the concave groove 5 extending all around the upper surface of the forming member It has a notch groove 6 opening to the outer peripheral surface,
And a structure having a projection on the lower surface of the forming member that engages with the groove.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a drainage pipe sewage system, rainwater sash, a drainage pipe cleaning port, and the like (hereinafter referred to as "drainage system").

[0002]

[Prior Art]

 Conventionally, the above-mentioned drainage basin has been installed in the connection part of the drainage pipe buried in the ground, the bent part of the drainage pipe, the drainage pipe at the boundary of the site, etc. It is an expanded sectional view of the upper surface part of a masu formation member.

The drainage basin 11 has a structure in which, if necessary, the expansion pipes 13a, 13b, etc. are joined to the invert portion 12 connected to the drainage pipe line to form a drainage basin body, and the upper opening is covered with the lid 14. ..

The engaging portion between the increasing tube 13b and the lid 14 of the main body, and the engaging portion between the main body forming members, that is, the invert portion 12 and the increasing tube 13a, and the connecting portion of the increasing tube 13a and the increasing tube 13b are The lower surface of the lid 14 and the lower end of the expansion tube 13a and the expansion tube 13b have convex projections, and the concave grooves 15 engage with the projections 13a, 13b and the upper surface of the invert portion 12 all around the upper surface. Is provided for the purpose of forming a drainage basin, preventing water leakage, and easily attaching and detaching the lid 14.

It is desirable that the upper surface of the lid 14 substantially coincides with the ground surface.

[0006]

[Problems to be solved by the device]

 However, in the conventional drainage basin 11 described above, the invert part 12 is first connected to the underground drainage pipe, and then the additional pipes 13a and 13b are connected to form the drainage main body. Sediment and dirt are likely to enter the concave groove 15 of the increasing pipe 13a, and the convex projections of the increasing pipes 13a and 13b are difficult to fit into the concave groove 15 in a predetermined manner. Moreover, cleaning the inside of the concave groove 15 is troublesome. Therefore, the engagement between the concave groove 15 and the convex protrusion is incomplete, and the water is drained. 11 There is a problem that the sewage in the interior leaks to the outside or rainwater, muddy water, etc. that has accumulated in the ground enters the drainage basin 11. ..

Also, regarding the engaging portion between the lid 14 and the additional pipe 13b, the convex projection on the back surface of the lid 14 does not fit into the concave groove 15 of the additional pipe 13b in a predetermined manner, and rainwater and muddy water on the surface drain. There was a problem of invading the inside.

This invention was made in order to solve the above-mentioned problems of the prior art. It does not require a troublesome operation for attaching and detaching the lid, and the rainwater and muddy water on the surface of the lid serve as the lid. It does not enter the drainage basin from the engaging part, and it does not enter into the drainage basin.Engagement of the forming members of the main body.- The drainage drains out from the joint, or the underground rainwater, muddy water, etc. It is intended to provide a drainage basin that is never watered.

[0009]

[Means for Solving the Problems]

 For this reason, the drainage basin according to the present invention has a concave groove extending over the entire circumference on the upper surface of the forming member at the engaging portion of the main body and the lid or the engaging portion of the forming member forming the main body. The above-mentioned object is achieved by the structure characterized in that the groove has a notch groove that opens to the outer peripheral surface of the forming member, and the lid and the lower surface of the forming member have a protrusion that engages with the concave groove. It's something to achieve.

[0010]

[Action]

 With the above configuration, the engaging part between the main body and the lid or the forming part that forms the main body of the mating member, the concave groove and the convex protrusion engage with each other to form a drainage trough and prevent water leakage. .. In addition, it is possible to remove the lid and prevent water leakage from the lid.

Further, since the earth and sand, dirty water, etc., which have entered the concave groove provided on the upper surface of the forming member, flow out through the notched groove opening on the outer peripheral surface of the forming member or can be easily removed. It is possible to prevent incomplete joining of the engaging parts without requiring extra work for assembling the drainage main body.

[0012] Furthermore, rainwater, muddy water, etc. on the surface that has entered the engagement portion between the lid and the additional pipe flow out to the outside through a notch groove that opens on the outer peripheral surface of the forming member. It should be noted that when the lid is removed, dirt, dirt, etc. that have entered the groove can be easily removed from the notch groove.

[0013]

【Example】

 Hereinafter, the drainage basin according to the present invention will be described by way of examples. FIG. 1 is a sectional view of an embodiment of the present invention, and FIG. 2 is an enlarged sectional view of an upper surface portion of a forming member.

A drainage basin 1 according to the present invention forms a drainage main body by joining additional pipes 3a, 3b, etc. to an invert part 2 connected to a drainage pipe, if necessary, and covering a top opening with a lid 4. It is composed.

The engaging portion between the increasing tube 3b and the lid 4 of the main body, and the engaging portion between the main body forming members, that is, the invert portion 2 and the increasing pipe 3a, and the joining portion of the increasing pipe 3a and the increasing pipe 3b are covered with the lid. 4 has convex projections on the lower surface and on the entire circumferences of the lower surfaces of the expansion tubes 3a and 3b, and on the entire circumferences of the upper surfaces of the expansion tubes 3a, 3b and the invert portion 2, the concave groove 5 which engages with the convex projections. Is provided to prevent the formation of drainage basins, prevent water leakage, and facilitate the attachment / detachment of lids.

A plurality of cutout grooves 6 that open from the concave groove 5 to the outer peripheral surface are provided on the upper surfaces of the expansion tubes 3 a and 3 b and the invert portion 2.

With the above-described configuration, the engaging portions of the increasing pipe 3b and the lid 4 and the engaging portions of the increasing pipes 3a, 3b and the invert portion 2 are formed around the entire upper surfaces of the increasing pipes 3a, 3b and the invert portion 2. The lid 4 and the convex projections on the lower surfaces of the extension pipes 3a and 3b engage with the recessed groove 5 provided all over to form a drainage trough and prevent water leakage. In addition, it is possible to attach and detach the lid 4 and prevent water leakage from the lid engaging portion.

Then, the earth and sand, dirty water, etc., which have entered the concave grooves 5 provided on the upper surfaces of the additional pipes 3a, 3b and the invert portion 2, flow out to the outside by the notch groove 6 opening on the outer peripheral surface or are easily removed. Since the drainage basin does not require extra work for assembling the main body, it can prevent incomplete joining of the engaging parts, etc. Or, underground rainwater, muddy water, etc. will not enter the drainage basin through the engaging part.

Further, rainwater, muddy water, etc. on the surface that has entered the engaging portion between the lid 4 and the additional pipe 3b flow out through the notch groove 6 opening on the outer peripheral surface of the additional pipe 3b, and the relationship between the lid 4 and the additional pipe 3b is increased. It does not enter the drainage basin 1 from the joint. It should be noted that when the lid 4 is removed, the earth and sand, dirty water, etc., which have entered the concave groove 5 of the multiplying pipe 3b can be easily removed in the same manner as described above, so that no troublesome labor is required when attaching and detaching the lid 4.

[0020]

[Effect of the device]

 As described above, according to the present invention, the engaging portion of the main body and the lid or the engaging portion of the forming members forming the main body is formed by the convex projection engaging the concave groove, Prevents water leakage by forming a glass. In addition, it is possible to remove the lid and prevent water leakage from the lid.

Further, the earth and sand, dirty water, etc., which have entered the concave groove provided on the upper surface of the forming member, can flow out to the outside by the notch groove opening on the outer peripheral surface of the forming member or can be easily removed. Therefore, it does not require extra steps for assembling the main body of the drainage basin and can prevent the joining of the engaging part from being incomplete, and the leakage of water from the engaging part of the main body of the drainage basin can also be prevented. Alternatively, underground rainwater and muddy water will not enter the drainage basin through the engaging part.

Rainwater, muddy water, etc. on the surface that has entered the engaging part with the lid may flow out to the outside through the notch groove opening on the outer peripheral surface and enter the drainage from the engaging part with the lid. Absent . Note that when the lid is removed, the dirt, sewage, etc. that have entered the groove of the main body can be easily removed in the same manner as above, so there is no need for troublesome work when attaching or detaching the lid.

[Brief description of drawings]

FIG. 1 is a sectional view of an embodiment.

FIG. 2 is an enlarged cross-sectional view of an essential part of one embodiment.

FIG. 3 is a sectional view of a conventional drainage basin.

FIG. 4 is an enlarged sectional view of a main part of a conventional drainage system.

[Explanation of symbols]

 1 Drainage 2 Invert section 3a, 3b Expansion pipe 4 Lid 5 Recessed groove 6 Notched groove

Claims (1)

[Scope of utility model registration request] 1. An engaging portion between a main body and a lid or a forming member that forms the main body. In the engaging portion between the forming members, a groove extending over the entire circumference of the upper surface of the forming member and an outer periphery of the forming member formed from the groove. A drainage characterized by having a notched groove that opens on the surface and a protrusion that engages with the above-mentioned concave groove on the lower surface of the lid and masu formation member.