CN2533370Y

CN2533370Y - Leakproof joint sealing ring for large of middle pipeline

Info

Publication number: CN2533370Y
Application number: CN 02219641
Authority: CN
Inventors: 毛政新
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-03-27
Filing date: 2002-03-27
Publication date: 2003-01-29
Anticipated expiration: 2012-03-27

Abstract

The utility model relates to a joint leakage proof sealing rings for large and medium popes and is characterized in including an expanding ring and a sealing ring 3; wherein, the expanding ring is closely adhered on the inner side of the sealing ring 3; a joint on the expanding ring is connected through an expanding regulation component 5; and the expanding ring forms a closed ring body after connected through the expanding regulation component 5. After the utility model is positioned inside the joint of pipe, the diameter of the expanding ring is increased through the expanding regulation component, thus the sealing ring is expanded on the inner wall of the pipe joint, and the sealing ring is also connected with the inner wall of the pipe through sealant, thereby having a good effect of leakage proof, easing assembly and being fit for field construction.

Description

Big-and-middle-sized pipe joint leakproof seal circle

Technical field

The utility model relates to a kind of leakproof seal circle of pipeline.

Background technique

In the prior art, large-scale transfusion, gas pipeline, for example drainage pipeline is after operation after a while, because the effect of construction quality, service life, interfacing and some shearings, problems such as slight displacement, crack, seepage more or less appear in interface between pipeline and the pipeline, directly cause silt to enter thereupon, accumulate over a long period, pipe network is constituted threat greatly.Generally be to carry out mending-leakage at its outside cement of sticking with paste at present, this craft leakage mending method can leak after the length slightly once more in the time, does not therefore still have at present good method pipeline is carried out mending-leakage.

Summary of the invention

The purpose of this utility model is to provide a kind of big-and-middle-sized pipe joint leakproof seal circle, and it can carry out the mending-leakage operation to the pipe joint place in pipe.

The technical solution of the utility model is: a kind of big-and-middle-sized pipe joint leakproof seal circle, it comprises tensioner circle body, seal ring, described tensioner circle body is close to the inner side surface of seal ring, the joint of described tensioner circle body is connected by the tensioner adjusting element, and described tensioner circle body constitutes closed annular solid by the tensioner adjusting element.

The utility model compared with prior art has following advantage:

After putting into the utility model in the pipe joint, make tensioner circle body diameter become big by the tensioner adjusting element, and then make the inwall of seal ring tensioner at pipe joint, and also available sealer is connected between seal ring and the inner-walls of duct, make leak preventing effect better, simple installation is convenient to field construction.

Description of drawings

Accompanying drawing 1 is a schematic cross-section of the present utility model;

Accompanying drawing 2 is the structure sectional view of tensioner adjusting element; Wherein:

[1], pipeline; [2], Bond; [3], seal ring; [4], the first tensioner circle body; [5], tensioner adjusting element; [6], first nut; [7], adjusting screw rod; [8], the second tensioner circle body; [9], second nut;

Embodiment:

Referring to accompanying drawing 1 to accompanying drawing 2, a kind of big-and-middle-sized pipe joint leakproof seal circle, it comprises tensioner circle body, seal ring [3], described tensioner circle body is close to the inner side surface of seal ring [3], the outer side surface of seal ring [3] scribbles Bond [2] and makes that seal ring [3] is mutually bonding with the inwall of pipeline [1] and have the effect of leakproof, the joint of described tensioner circle body is connected by tensioner adjusting element [5], and described tensioner circle body connects the back by tensioner adjusting element [5] and constitutes closed annular solid.

Referring to accompanying drawing 2, described tensioner adjusting element [5] comprises first nut [6] and adjusting screw rod [7], described first nut [6] is enclosed within on the adjusting screw rod [7] and between the two by being threaded, one sidepiece of described first nut [6] is against an end face of tensioner circle body, described adjusting screw rod [7] is fixedly connected with the other end of tensioner circle body, when rotating first nut [6], can make a sidepiece with first nut [6] prop up the tensioner circle body moves, and then make this tensioner circle body can on diametric(al), change the tensioner inner-walls of duct.

As shown in Figure 1, described tensioner circle body is formed by the first tensioner circle body [4], the butt joint of the second tensioner circle body [8] at least, and the joint of the described first tensioner circle body [4], the second tensioner circle body [8] is connected with tensioner adjusting element [5].

One end of described adjusting screw rod [7] is fixed on the second tensioner circle body [8], and a sidepiece of first nut [6] is against an end of the first tensioner circle body [4].One end of the described second tensioner circle body [8] is fixed with second nut [9], and described second nut [9] is fixedly connected with an end of adjusting screw rod [7].

Described seal ring is provided with steel wire in [3], and described steel wire is net distribution in seal ring [3], can increase the intensity of seal ring [3].

Claims

1, a kind of big-and-middle-sized pipe joint leakproof seal circle, it is characterized in that: it comprises tensioner circle body, seal ring [3], described tensioner circle body is close to the inner side surface of seal ring [3], the joint of described tensioner circle body is connected by tensioner adjusting element [5], and described tensioner circle body connects the back by tensioner adjusting element [5] and constitutes closed annular solid.

2, big-and-middle-sized pipe joint leakproof seal circle according to claim 1, it is characterized in that: described tensioner adjusting element [5] comprises first nut [6] and adjusting screw rod [7], described first nut [6] is enclosed within on the adjusting screw rod [7] and between the two by being threaded, one sidepiece of described first nut [6] is against an end face of tensioner circle body, and described adjusting screw rod [7] is fixedly connected with the other end of tensioner circle body.

3, big-and-middle-sized pipe joint leakproof seal circle according to claim 1, it is characterized in that: described tensioner circle body is formed by the first tensioner circle body [4], the butt joint of the second tensioner circle body [8] at least, and the joint of the described first tensioner circle body [4], the second tensioner circle body [8] is connected with tensioner adjusting element [5].

4, according to claim 2 or 3 described big-and-middle-sized pipe joint leakproof seal circles, it is characterized in that: an end of described adjusting screw rod [7] is fixed on the second tensioner circle body [8], and a sidepiece of first nut [6] is against an end of the first tensioner circle body [4].

5, big-and-middle-sized pipe joint leakproof seal circle according to claim 4, it is characterized in that: an end of the described second tensioner circle body [8] is fixed with second nut [9], and described second nut [9] is fixedly connected with an end of adjusting screw rod [7].

6, big-and-middle-sized pipe joint leakproof seal circle according to claim 1, it is characterized in that: described seal ring is provided with steel wire in [3].

7, big-and-middle-sized pipe joint leakproof seal circle according to claim 6, it is characterized in that: described steel wire is net distribution in seal ring [3].