CN209054188U

CN209054188U - A kind of pipe gallery thread threading sealing structure

Info

Publication number: CN209054188U
Application number: CN201821696489.0U
Authority: CN
Inventors: 魏翔; 王丽丽
Original assignee: Tianjin Binhai New Area Binhai Construction Engineering Co Ltd
Current assignee: Tianjin Binhai New Area Binhai Construction Engineering Co Ltd
Priority date: 2018-10-19
Filing date: 2018-10-19
Publication date: 2019-07-02
Anticipated expiration: 2028-10-19

Abstract

The utility model relates to pipelines to seal mounting technique field, more particularly to a kind of pipe gallery thread threading sealing structure, through-hole is formed in concrete wall, pipeline is coated in the through-hole, one sealed bladder is housed in the pipeline outer sheath being located in through-hole, the sealed bladder is cylindrical structure, inner hollow is arranged to form a seal chamber, charging port and exhaust outlet are produced respectively in the side end of the sealed bladder, the charging port and exhaust outlet are connected to seal chamber respectively, produce threading opening in the both ends of the sealed bladder, pipeline is penetrated by a threading opening and is pierced by through another threading opening, the inner edge of threading opening and pipeline external wall are in close contact, the outer diameter of sealed bladder is not less than the internal diameter of through-hole；Seal foaming material is filled in the seal chamber of the sealed bladder；It is separately installed with a flange in the through-hole two sides, each flange is fixed with concrete wall, and the opposite both ends of two flanges are closely crimped with the both ends of sealed bladder respectively.

Description

A kind of pipe gallery thread threading sealing structure

Technical field

The utility model relates to pipeline sealing mounting technique field more particularly to a kind of pipe gallery thread threading sealing structures.

Background technique

With pushing forward comprehensively for China's pipe gallery engineering construction, various regions pipe gallery enters the operation phase successively, city The pipelines such as communication cable, power cable, plumbing, middle water, heating power start in succession into corridor.

It plugs at present for the Guan Weiyu intersection correlation pipeline of all kinds of pipelines in pipe gallery, it usually needs set Pipeline wire connection well is set, corridor gut line is realized by the preserved pipeline on pipeline wire connection well and plugged into exterior tubing.In communication cable And gap must be blocked between the preserved pipeline on the pipelines and the borehole wall such as power cable, prevented underground water from entering gap and caused Pipeline corrosion and aging, and prevent muroid from entering destruction pipeline in corridor, and then achieve the purpose that extend pipeline service life.

In the prior art, common way is to be blocked at the both ends of borehole wall preserved pipeline using fire-proof mud mostly, is done Method is coarse, surface impression quality is poor, and later period moulded pottery not yet put in a kiln to bake loosens, cuts open bad, needs frequent maintenance, time-consuming and laborious；It is anti-while also result in it It seeps, the scarce capacity of sealing, during pipe gallery operation maintenance, corridor gut line wire outlet part is frequently present of infiltration phenomenon, leads It causes pipe gallery wall polluting, corridor internal water accumulation, destroy the bad phenomenons such as cable, it is serious to reduce seal for pipe joints effect.

To solve the above problems, some units in charge of construction have developed a variety of dismountable sealing devices, structure is mostly mixed The through-hole that solidifying cob wall wall is produced embeds tubing, installs elastic washer or similar sealing dress with the both ends of pipeline in casing later It sets, finally by V-type plate, elastic washer and concrete wall are fixed by pressing plate or other rigid mounts, so that elastic cushion The inside of circle is closely compressed with pipeline outer rim, and external and casing is fitted close.But there are also problems for above-mentioned apparatus, existing elastic cushion Piece mostly uses vulcanized rubber to be made, and when in use, rubber is influenced very big, long-time by the temperature and pH value of external environment There is gap so as to cause elastomeric pad and sealing station, so as to cause infiltration in the problems such as it is easy to appear hardening after use The problems such as generation.

Utility model content

The purpose of the utility model is to overcome the deficiencies in the prior art places, provide a kind of structurally reasonable, Fast Installation, More preferably a kind of pipe gallery thread threading sealing structure of sealing effect.

A kind of pipe gallery thread threading sealing structure is formed with through-hole in concrete wall, pipeline is coated in the through-hole, special Sign is: one sealed bladder being housed in the pipeline outer sheath being located in through-hole, which is cylindrical structure, inner hollow setting A seal chamber is formed, charging port and exhaust outlet, the charging port and exhaust outlet difference are produced in the side end of the sealed bladder respectively It being connected to seal chamber, threading opening is produced at the both ends of the sealed bladder, and pipeline is penetrated by a threading opening and is pierced by through another threading opening, The inner edge of threading opening and pipeline external wall are in close contact, and the outer diameter of sealed bladder is not less than the internal diameter of through-hole；The sealing of the sealed bladder It is intracavitary to be filled with seal foaming expanding material.

Moreover, being separately installed with a flange in the through-hole two sides, each flange is fixed with concrete wall, two The opposite both ends of a flange are closely crimped with the both ends of sealed bladder respectively.

The advantages of the utility model and economic effect are:

In the utility model, the structure of the gasket of existing both ends installation is replaced using sealed bladder, although sealed bladder is still It is produced using elastic material, but it has clear advantage compared to gasket, first, being installed without installing the structures such as casing It is easy；Second, its outer surface is directly directly contacted with inner edge rough in through-hole, wait fill in inside filling-foam after through-hole Expanding material forms one and has no the vertical of gap so that the outer surface of sealed bladder and the inner edge of through-hole are in close contact interference fit Body formula sealing structure, sealing effect are splendid；Third, even if partially hardened, sealing occur for the outer surface of sealed bladder water inlet end side The other parts that capsule is located in through-hole still have sealing function, and the service life is longer, without being conserved.

In the utility model, the flange of sealed bladder two sides installation, effect primarily to prevent mouse from biting sealed bladder, In addition, the axial direction due to sealed bladder is limited, and under stress will necessarily since flange end is closely crimped with sealed bladder It extends to radial direction, and then is further bonded with the inner edge of through-hole, lift-off seal effect.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model.

Specific embodiment

For the contents, features and effects that can further appreciate that the utility model, the following examples are hereby given, and cooperates attached drawing Detailed description are as follows.It should be noted that the present embodiment be it is descriptive, be not restrictive, cannot thus limit practical Novel protection scope.

A kind of pipe gallery thread threading sealing structure is formed with through-hole 3 in concrete wall 2, pipeline 6 is coated in the through-hole, The innovation of the utility model is, one sealed bladder 8 is housed in the pipeline outer sheath being located in through-hole, which is cylindrical knot Structure, inner hollow are arranged to form a seal chamber, and charging port 5 and exhaust outlet 7 are produced in the side end of the sealed bladder respectively, described to fill out It fills mouth and exhaust outlet is connected to seal chamber respectively, threading opening is produced at the both ends of the sealed bladder, and pipeline is penetrated by a threading opening It is pierced by through another threading opening, the inner edge of threading opening and pipeline external wall are in close contact, and the outer diameter of sealed bladder is not less than the internal diameter of through-hole； Seal foaming expanding material 9 is filled in the seal chamber of the sealed bladder.

In the present embodiment, pass through bolt 1 respectively in the through-hole two sides and a flange 4 is installed, each flange is and coagulation Cob wall wall is fixed, and the opposite both ends of two flanges are closely crimped with the both ends of sealed bladder respectively.

The use process of the utility model:

When the utility model is used, sealed bladder is sleeved on the outside of pipeline first, the pipeline of sealed bladder will be set with later It protrudes into the through-hole that concrete wall is produced, the flange of leading-out terminal side is installed later, to limit the position of sealed bladder, later Pipeline is completely stretched to suitable position after being plugged into, operator expands material by the inside filling-foam of charging port of sealed bladder Material, until foaming and intumescing material is exported by exhaust outlet, at this point, sealing charging port and exhaust outlet are until foaming and intumescing material is dry hard Change, finally the flange of the other side and through-hole are installed again.

Claims

1. a kind of pipe gallery thread threading sealing structure, it is formed with through-hole in concrete wall, pipeline, feature are coated in the through-hole Be: in the pipeline outer sheath being located in through-hole equipped with a sealed bladder, which is cylindrical structure, and shape is arranged in inner hollow At a seal chamber, charging port and exhaust outlet are produced in the side end of the sealed bladder respectively, the charging port and exhaust outlet respectively with Threading opening is produced at seal chamber connection, the both ends of the sealed bladder, and pipeline is penetrated by a threading opening and is pierced by through another threading opening, worn The inner edge of line mouth and pipeline external wall are in close contact, and the outer diameter of sealed bladder is not less than the internal diameter of through-hole；The seal chamber of the sealed bladder It is interior to be filled with seal foaming material.

2. a kind of pipe gallery thread threading sealing structure according to claim 1, it is characterised in that: in the through-hole two sides point One flange is not installed, each flange is fixed with concrete wall, the opposite both ends of two flanges respectively with sealing The both ends of capsule closely crimp.