CN219623475U

CN219623475U - Sealing gasket and plane flange

Info

Publication number: CN219623475U
Application number: CN202321154217.9U
Authority: CN
Inventors: 宋云山; 李立彬; 薛理政; 王仲民; 李宝军; 徐洋; 侯涵铖; 朱玉坤; 刘斌
Original assignee: Beijing Shougang Co Ltd
Current assignee: Beijing Shougang Co Ltd
Priority date: 2023-05-15
Filing date: 2023-05-15
Publication date: 2023-09-01
Anticipated expiration: 2033-05-15

Abstract

The utility model discloses a sealing gasket and a plane flange, which relate to the technical field of large-scale storage bins, and comprise: the gasket body is arranged on the flange bolt; the connecting components are arranged on the front surface and the back surface of the gasket body; and the sealing assembly is arranged at the joint of the gasket body and the connecting assembly. Through set up coupling assembling on the gasket body, conveniently help sealing gasket and planar flange installation butt joint need not to adjust the position of gasket, have avoided the piece installation to be improper will cause the sealed inefficacy of flange, through setting up seal assembly, eliminate the influence that the roughness exceeds standard of flange sealing surface, this product simple structure, convenient to use, facilitate promotion.

Description

Sealing gasket and plane flange

Technical Field

The utility model relates to the technical field of gaskets, in particular to a sealing gasket and a plane flange.

Background

The valve is provided with a planar flange or is additionally provided with a flange blind plate, the gaskets are adopted for sealing, the flange sealing gaskets are required to be synchronously replaced when the valve is required to be replaced, the outer diameter size of the flange sealing gaskets is not precisely related to the inner diameter of the flange bolt hole of the valve, the outer diameter size of the gaskets is generally far smaller than the inner diameter size of the flange bolt hole, the installation positions of the gaskets are required to be adjusted after the gaskets are added for ensuring the tightness of the gaskets, the gaskets are ensured to be positioned at the central positions as much as possible, and the abnormal installation of the gaskets causes failure of the flange sealing. Especially in the case of vertically mounted flanges, adjustment of the mounting position of the gasket is difficult.

Disclosure of Invention

The utility model aims to provide a sealing gasket and a plane flange, which are used for solving the technical problem that the plane flange gasket is difficult to install to a certain extent.

In order to solve the technical problems, the utility model adopts the following technical scheme:

a first aspect of an embodiment of the present utility model provides a sealing gasket for sealing a valve flange bolt, comprising: the gasket body is arranged on the flange bolt; the connecting components are arranged on the front surface and the back surface of the gasket body; and the sealing assembly is arranged at the joint of the gasket body and the connecting assembly.

In some embodiments, the connecting assembly comprises connecting bosses arranged on the front surface and the back surface of the gasket, and the flange bolts are provided with mounting grooves matched with the connecting bosses.

In some embodiments, the connection boss is disposed inside the gasket.

In some embodiments, the connection boss is 0.5mm high.

In some embodiments, the connection boss is 5mm wide.

In some embodiments, the connection boss is provided with a magnetic attraction layer thereon.

In some embodiments, the seal assembly includes a lead oil or sealant applied to the connection of the gasket body and the connection boss.

In some embodiments, the thickness of the lead or sealant is 0.5mm to 1mm.

A second aspect of the embodiment of the present utility model provides a planar flange, where the planar flange is provided with the sealing gasket.

In some embodiments, the outer surface of the planar flange is circumferentially provided with bolt holes, and the distance between the outer diameter of the sealing gasket and each bolt hole is 0 mm-3 mm.

According to the technical scheme, the utility model has at least the following advantages and positive effects:

according to the sealing gasket, the connecting component is arranged on the gasket body, so that the sealing gasket is conveniently matched with the planar flange in a butt joint manner, the position of the gasket is not required to be adjusted, the failure of flange sealing caused by improper installation of the gasket is avoided, and the influence of exceeding of the roughness of the sealing surface of the flange is eliminated by arranging the sealing component.

According to the planar flange, the connecting component is arranged on the gasket body, so that the gasket is conveniently assisted to be in butt joint with the planar flange, the position of the gasket is not required to be adjusted, the failure of flange sealing caused by improper installation of the gasket is avoided, and the influence of exceeding of the roughness of the sealing surface of the flange is eliminated by arranging the sealing component.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a front view of a gasket seal according to an embodiment;

FIG. 2 is a side view of a gasket seal according to an embodiment;

fig. 3 is a schematic structural view of a planar flange according to an embodiment.

The reference numerals are explained as follows: 1. a gasket body; 2. a connecting boss; 3. a seal assembly; 4. a planar flange; 5. bolt holes.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

The terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", or a third "may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Please refer to fig. 1-2.

Fig. 1 is a front view of a gasket seal in an embodiment of the present utility model, and fig. 2 is a side view of a gasket seal in an embodiment of the present utility model, as shown, for sealing a valve flange bolt, comprising: the gasket body 1 is arranged on the flange bolt; the connecting components are arranged on the front surface and the back surface of the gasket body 1; and the sealing component 3 is arranged at the joint of the gasket body 1 and the connecting component. Through set up coupling assembling on gasket body 1, conveniently help sealing gasket and the butt joint of planar flange 4 installation, need not to adjust the position of gasket, avoided the piece installation to be improper will cause the sealed inefficacy of flange, through setting up seal assembly 3, eliminate the sealed surface roughness of flange and exceed the influence of standard, this product simple structure, convenient to use, facilitate promotion.

In this embodiment, the connection assembly includes connection bosses 2 disposed on the front and back sides of the gasket, and the flange bolts are provided with mounting grooves matched with the connection bosses 2. During installation, the connecting boss 2 is directly clamped into the installation groove, so that the positioning and the installation are convenient. The sealing gasket is conveniently assisted to be in butt joint with the planar flange 4, the position of the gasket is not required to be adjusted, the failure of flange sealing caused by improper installation of the gasket is avoided, and in the embodiment, the connecting boss 2 is arranged on the inner side of the gasket.

In this embodiment, the connection boss 2 is 0.5mm high.

In this embodiment, the connection boss 2 is 5mm wide.

In this embodiment, the connection boss 2 is provided with a magnetic attraction layer. The connection boss 2 is attached to the planar flange 4 during installation, preventing movement of the gasket to some extent.

In this embodiment, the sealing component 3 includes lead oil or sealant applied to the connection between the gasket body and the connection boss 2. And the influence of exceeding the standard of the roughness of the flange sealing surface is eliminated.

In this embodiment, the thickness of the lead oil or sealant is 0.5mm to 1mm.

Please refer to fig. 3.

The second aspect of the present embodiment provides a planar flange 4, where the planar flange 4 is provided with the sealing gasket. Through set up coupling assembling on gasket body 1, conveniently help sealing gasket and the butt joint of planar flange 4 installation, need not to adjust the position of gasket, avoided the piece installation to be improper will cause the sealed inefficacy of flange, through setting up seal assembly 3, eliminate the sealed surface roughness of flange and exceed the influence of standard, this product simple structure, convenient to use, facilitate promotion.

In this embodiment, bolt holes 5 are circumferentially formed in the outer surface of the planar flange 4, and the distance between the outer diameter of the sealing gasket and each bolt hole 5 is 0 mm-3 mm. Specifically, as shown in fig. 3, the inner diameter of the circumferential bolt hole 5 is L2, the outer diameter of the gasket is L1, and the gap between L2 and L1 is 0mm to 3mm.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present utility model should be included in the scope of the present utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims

1. A gasket for sealing a valve flange bolt, comprising:

the gasket body is arranged on the flange bolt;

the connecting components are arranged on the front surface and the back surface of the gasket body;

and the sealing assembly is arranged at the joint of the gasket body and the connecting assembly.

2. The gasket of claim 1, wherein the connecting assembly comprises connecting bosses disposed on opposite sides of the gasket, and the flange bolts are provided with mounting grooves for engaging the connecting bosses.

3. A gasket according to claim 2, wherein the connecting boss is provided on the inside of the gasket.

4. A gasket according to claim 2, wherein the connecting boss is 0.5mm high.

5. A gasket according to claim 2, wherein the connecting boss is 5mm wide.

6. A gasket according to claim 2, wherein the attachment boss is provided with a magnetically attractable layer.

7. A gasket according to claim 2, wherein the sealing assembly comprises a lead oil or sealant applied to the junction of the gasket body and the connecting boss.

8. A gasket according to claim 7, wherein the thickness of the lead or sealant is 0.5mm to 1mm.

9. A planar flange provided with a sealing gasket according to any one of claims 1 to 8.

10. A planar flange as claimed in claim 9 wherein said planar flange has circumferentially disposed bolt holes, said gasket outer diameter being from 0mm to 3mm from each of said bolt holes.