CN211714112U

CN211714112U - Large-curvature radius elbow used at bottom end of drainage vertical pipe

Info

Publication number: CN211714112U
Application number: CN201921162170.4U
Authority: CN
Inventors: 刘永; 姜雯哲; 杨鹏辉; 赵珍仪
Original assignee: Shenyang Jiuri Industrial Co ltd
Current assignee: Shenyang Jiuri Industrial Co ltd
Priority date: 2019-07-23
Filing date: 2019-07-23
Publication date: 2020-10-20
Anticipated expiration: 2029-07-23

Abstract

The utility model provides a big radius of curvature elbow that drainage riser bottom was used, the utility model discloses by the return bend, go up connection socket and connector component down, its characterized in that: the bend has a radius of curvature of 250 mm to 300 mm. The utility model discloses because curvature radius is reasonable, so the drainage is smooth and easy, even can not produce the drainage under big drainage condition and be detained or form the water stopper to can not produce harmful super high negative pressure or this super high in the assurance drainage riser and press, make the drainage can safe effectual discharge.

Description

Large-curvature radius elbow used at bottom end of drainage vertical pipe

Technical Field

A large-curvature radius elbow used at the bottom end of a drainage vertical pipe.

Background

The bottom end of the drainage in the known art is usually provided with a drainage trap to guide the sewage in the drainage line into the drainage system in a given direction, which drainage trap is required to ensure a reasonable intersection of drainage pressure and negative drainage pressure at the prevailing pressure in the drainage line. The known elbow cannot meet the requirement of sufficiently and smoothly draining water because the curvature radius ratio of the elbow is small, so that excessive internal pressure is generated in the pipe under the pressure of continuous draining water due to the blockage of a water plug in the elbow, and the internal pressure can cause destructive back overflow of other channels connected with the branch pipe.

SUMMERY OF THE UTILITY MODEL

The utility model aims at through reasonable turning curvature radius's design for drainage efficiency improves 30% on known technique's basis, and can not produce harmful super high negative pressure or this super high internal pressure in guaranteeing the drainage riser, makes the drainage can safe effectual discharge.

The utility model discloses constitute by return bend, last connection socket and lower connector, the radius of curvature of return bend is 250 millimeters to 300 millimeters.

The utility model discloses because curvature radius is reasonable, so the drainage is smooth and easy, even can not produce the drainage under big drainage condition and be detained or form the water stopper to can not produce harmful super high negative pressure or this super high in the assurance drainage riser and press, make the drainage can safe effectual discharge.

Drawings

Fig. 1 is a schematic structural diagram of the present invention, and is also an abstract diagram of the present invention, in which the numbers are (1) an upper connection socket, (2) a lower connection port, and (3) a bent pipe.

Detailed Description

Example (b):

the present invention will be further described by taking an example with reference to the accompanying drawings, in this embodiment, for the dn110 and dn125 drainage system vertical pipes, the upper connection port 1 is a socket, the inner diameter is 110, 125 is suitable for selection, the lower connection port 2 is a threaded connection port, the inner diameter is 110, 125 is suitable for selection, and the curvature radius of the bent pipe 3 is a suitable diameter bent pipe of 280 mm.

Claims

1. The utility model provides a big radius of curvature elbow that drainage riser bottom used, by the return bend, go up connection socket and connector down and constitute its characterized in that: the bend has a radius of curvature of 250 mm to 300 mm.