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CN-224213500-U - Deodorization one-way valve for rainwater pipeline

CN224213500UCN 224213500 UCN224213500 UCN 224213500UCN-224213500-U

Abstract

The utility model discloses a deodorizing one-way valve for a rainwater pipeline, which comprises a waterproof cylinder and a mounting cylinder, wherein the waterproof cylinder is of a flexible tubular structure with a certain length, one end of the waterproof cylinder is fixedly connected with one end of the mounting cylinder, and the other end of the mounting cylinder extends out of the waterproof cylinder for a certain length. The utility model has simple structure, convenient installation, no need of modifying the existing pipeline during installation, small engineering quantity and the function of reducing the overflow of odor from the rainwater well.

Inventors

  • CHEN HAIYONG
  • SI JIANQIANG
  • YAN MINGHUI
  • YU JINCAI
  • XIE JIANFANG

Assignees

  • 长江三峡实业有限公司
  • 中国长江三峡集团有限公司

Dates

Publication Date
20260508
Application Date
20250424

Claims (8)

  1. 1. A deodorizing one-way valve for a rainwater pipeline is characterized by comprising a waterproof cylinder (10) and an installation cylinder (20), wherein the waterproof cylinder (10) is of a flexible tubular structure with a certain length, one end of the waterproof cylinder (10) is fixedly connected with one end of the installation cylinder (20), and the other end of the installation cylinder (20) extends out of the waterproof cylinder (10) for a certain length.
  2. 2. The deodorizing check valve for a rainwater pipeline according to claim 1, wherein one end of the waterproof cylinder (10) is sleeved on the installation cylinder (20), and the waterproof cylinder (10) is fixedly connected with the installation cylinder (20) through the anchor ear (40).
  3. 3. The deodorizing check valve for a rainwater pipeline according to claim 2, wherein a limiting ring table (21) is arranged on the outer wall of one end of the installation cylinder (20) connected with the waterproof cylinder (10).
  4. 4. A deodorizing one-way valve for a rainwater pipeline according to claim 1 or 3, characterized in that the outer wall of one end of the installation cylinder (20) far away from the waterproof cylinder (10) is provided with a positioning ring table (22).
  5. 5. The one-way valve for a rainwater pipeline as claimed in claim 4, further comprising a fixing ring (30), wherein the fixing ring (30) is fixedly installed in the rainwater branch pipe (2), a positioning ring groove (32) is formed in the inner wall of the fixing ring (30), the installation cylinder (20) is elastic, the positioning ring table (22) is matched with the positioning ring groove (32), and when the installation cylinder (20) is connected with the fixing ring (30), the positioning ring table (22) is clamped in the positioning ring groove (32).
  6. 6. The deodorizing check valve for a rainwater pipeline according to claim 5, wherein the fixing ring (30) comprises a supporting ring (31) with a notch, the positioning ring groove (32) is positioned in the supporting ring (31), the supporting ring (31) is respectively provided with inwards extending lugs (33) at two ends of the notch, the lugs (33) are positioned at the outer sides of the positioning ring groove (32), a double-head screw (34) is screwed between the two lugs (33) in a threaded fit manner, one end of the double-head screw (34) is an orthodontic thread, and the other end of the double-head screw is an inverse thread.
  7. 7. A deodorizing check valve for a rainwater line according to claim 6, characterized in that the outer wall of said supporting ring (31) is provided with a plurality of flanges (35).
  8. 8. A deodorizing check valve for a rainwater pipeline according to claim 5, characterized in that said positioning ring (22) is provided with an inward concave inclined surface (23) on the side close to the waterproof cylinder (10).

Description

Deodorization one-way valve for rainwater pipeline Technical Field The utility model relates to the technical field of rainwater pipeline deodorization, in particular to a deodorization one-way valve for a rainwater pipeline. Background Referring to fig. 1, a buried rainwater pipeline 2 is connected with a sewage header pipe 1, and a rainwater well is arranged at the other end of the rainwater pipeline 2, so that odor in the sewage header pipe 1 is easy to flow backward from the rainwater pipeline 2 to the rainwater well, and the odor overflows from a rainwater grate at the top of the rainwater well, so that the odor appears on the ground around the rainwater well and affects the surrounding environment. In the prior art, a deodorizing device is generally installed at a wellhead of a rainwater well, for example, a rainwater well deodorizing device disclosed in CN201817906U is adopted, and the deodorizing device can play a good deodorizing role, but when installed, the conventional rainwater well needs to be modified, so that the engineering quantity is large. In combination with the actual situation on site, a deodorizing one-way valve for a rainwater pipeline is provided to reduce the odor overflowing from the rainwater well. Disclosure of utility model The utility model aims to provide the deodorizing one-way valve for the rainwater pipeline, which has the advantages of simple structure, convenience in installation, no need of modifying the existing pipeline during installation, small engineering quantity and capability of playing a role in reducing the overflow of odor from the rainwater well. In order to achieve the above purpose, the utility model provides a deodorizing one-way valve for a rainwater pipeline, which comprises a waterproof cylinder and a mounting cylinder, wherein the waterproof cylinder is of a flexible tubular structure with a certain length, one end of the waterproof cylinder is fixedly connected with one end of the mounting cylinder, and the other end of the mounting cylinder extends out of the waterproof cylinder for a certain length. One end of the waterproof cylinder is sleeved on the mounting cylinder, and the waterproof cylinder is fixedly connected with the mounting cylinder through the anchor ear. And a limiting ring table is arranged on the outer wall of one end of the mounting cylinder, which is connected with the waterproof cylinder. The outer wall of one end of the installation cylinder far away from the waterproof cylinder is provided with a positioning ring table. The installation device comprises a mounting barrel, a positioning ring table and a fixing ring, wherein the fixing ring is used for being fixedly installed in the rainwater branch pipe, a positioning ring groove is formed in the inner wall of the fixing ring, the mounting barrel is elastic, the positioning ring table is matched with the positioning ring groove, and the positioning ring table is clamped in the positioning ring groove when the mounting barrel is connected with the fixing ring. The fixing ring comprises a supporting ring with a notch, the positioning ring groove is positioned in the supporting ring, the supporting ring is respectively provided with inwards extending lugs at two ends of the notch, the lugs are positioned at the outer side of the positioning ring groove, a double-head screw is screwed between the two lugs in a threaded fit manner, one end of the double-head screw is an orthodontic thread, and the other end of the double-head screw is a counter thread. The outer wall of the support ring is provided with a plurality of flanges. The positioning ring table is a concave inclined plane at one side close to the waterproof cylinder. Compared with the prior art, the utility model has the following technical effects: 1. The waterproof tube comprises a waterproof tube and a mounting tube, wherein the waterproof tube is of a flexible tubular structure with a certain length, one end of the waterproof tube is fixedly connected with one end of the mounting tube, and the other end of the mounting tube extends out of the waterproof tube for a certain length. When the waterproof device is installed and used, one end of the installation cylinder, which extends out of the waterproof cylinder, is inserted into and installed in the rainwater pipeline, and the installation cylinder is adhered and fixed with the rainwater pipeline through the structural adhesive. The utility model has simple structure, convenient installation, no need of modifying the existing pipeline during installation, small engineering quantity and the function of reducing the overflow of odor from the rainwater well. 2. The utility model also comprises a fixing ring, the fixing ring is used for being fixedly arranged in the rainwater branch pipe, the inner wall of the fixing ring is provided with a positioning ring groove, the installation cylinder is elastic, the positioning ring table is matched with the positioning ring groove, w