CN204127530U - A kind of flange sealer - Google Patents

Abstract

The utility model relates to a flange sealing device, in particular to a flange sealing device with a metal sealing gasket. The biggest feature of the utility model is that the rubber gasket (4) and the metal gasket (3) are vulcanized into an integrated structure, wherein a satellite hole (5) is opened on the metal gasket (3) so that the metal gasket (3) can be vulcanized after vulcanization. ) The rubber gaskets (4) on both sides can be connected at the satellite hole (5). This improvement effectively solves the phenomenon that the gasket in the prior art is easily distorted and squeezed unevenly after installation, and improves the reliability of the seal.

Description

A flange sealing device

technical field

The utility model relates to a flange sealing device, in particular to a flange sealing device with a metal sealing gasket.

Background technique

The conduit is usually sealed with a flange seal groove rubber ring or a rubber gasket. The rubber ring seal of the flange sealing groove can not be seen during installation because the installation state of the rubber ring in the sealing groove cannot be seen, and the phenomenon that the sealing ring is squeezed, cut, twisted, etc. often occurs, and it does not leak temporarily after installation. Under such working conditions, with the passage of time, unsafe factors such as oil leakage and air leakage are gradually exposed; the flange rubber gasket sealing method is difficult to control the compression of the sealing rubber gasket, and the rubber gasket is often compressed unevenly, partially crushed or damaged. Insufficient compression of the sealing rubber pad leads to leakage and other phenomena.

Contents of the invention

Purpose of the invention: The utility model provides a pipe flange sealing connection device with simple structure and high sealing reliability, which can effectively solve the problem of difficulty in controlling the compression amount and relative movement of the traditional rubber gasket sealing method, and the rubber gasket of the sealing rubber ring is squeezed, cut, and twisted. And other problems, improve sealing reliability.

The technical scheme of the utility model is: the flange sealing device includes a flange 1, a sealing washer and a fixing bolt, and is characterized in that: the sealing washer between the flanges 1 is a metal sealing gasket 2;

There are bolt holes on the metal sealing gasket 2;

The metal sealing gasket 2 is composed of a metal gasket 3 and a rubber sealing ring 4;

Both ends of the metal gasket 3 are fixed with rubber sealing rings 4;

There is a satellite hole 5 on the metal gasket 3, and the rubber sealing rings 4 on the two end faces are connected together through the satellite hole 5;

The rubber sealing rings 4 on the two end faces are connected by vulcanization.

Advantages and effects of the utility model: the utility model is equipped with a metal sealing gasket 2 between the joint surfaces of the two flanges 1, and the metal sealing gasket 2 has a bolt fixing hole matching the flange 1, which can prevent sliding; The rubber sealing ring 4 is vulcanized and connected through the satellite hole 5 on the metal gasket 2, which solves the problems of the traditional sealing rubber ring, such as uneven pressure, easy to be squeezed, cut, twisted, etc., and can control the compression of the sealing rubber ring 4 to the minimum Within the optimal range, the sealing reliability is improved.

Description of drawings

Fig. 1 is an explosion diagram of the utility model

Figure 2 is a schematic diagram of the structure of the metal sealing gasket

Figure 3 is a schematic diagram of the metal gasket mechanism

In the figure, 1 is a flange, 2 is a metal sealing gasket, 3 is a metal gasket, 4 is a rubber sealing ring, and 5 is a satellite hole.

Detailed ways

A fuel pipe flange sealing connection device, including a flange 1, a technical sealing gasket 2 and fixing bolts, the metal sealing gasket 2 has a bolt fixing hole matching the flange 1, when installing, the two flanges 1 and The metal sealing gasket 2 is fixedly connected by bolts, which can effectively prevent the metal sealing gasket 2 from sliding; the metal sheet 3 of the metal sealing gasket 2 is provided with a satellite hole 5, and the rubber sealing ring 4 is vulcanized to the metal gasket 3 through the satellite hole 5 on both end faces.

The utility model can effectively solve the sliding problem of the traditional sealing gasket relative to the flange 1 by setting bolt fixing holes matching the flange 1 on the metal sealing gasket 2; by setting satellite holes 5 on the metal sealing gasket 2, The rubber sealing ring 4 is fixedly connected to the two end faces of the metal gasket 3 by means of vulcanization, which solves the problems of uneven pressure of the traditional sealing rubber ring and is easy to be squeezed, cut, twisted, etc., and the compression amount of the sealing rubber ring 4 can be reduced. The control is within the optimal range, which improves the sealing reliability.

Claims (6)

1. a flange sealer, comprises flange (1), seal washer and fixing bolt, it is characterized by: the metallic packing (2) that the seal washer between flange (1) is integrated.

2. flange sealer according to claim 1, is characterized by: (2) have bolt hole to metallic packing.

3. flange sealer according to claim 1 and 2, is characterized by: metallic packing (2) is made up of metallic shim (3) and rubber seal (4).

4. flange sealer according to claim 3, is characterized by: two end faces of metallic shim (3) are all fixed with rubber seal (4).

5. flange sealer according to claim 4, is characterized by: metallic shim (3) has satellite hole (5), and the rubber seal (4) on two end faces is linked together by satellite hole (5).

6. flange sealer according to claim 5, is characterized by: rubber seal (4) sulfuration on two end faces connects.