CN210739658U

CN210739658U - Sealing gasket for flange

Info

Publication number: CN210739658U
Application number: CN201921671352.4U
Authority: CN
Inventors: 黄谷
Original assignee: Suzhou Atmit Sealing Technology Co Ltd
Current assignee: Suzhou Atmit Sealing Technology Co Ltd
Priority date: 2019-10-08
Filing date: 2019-10-08
Publication date: 2020-06-12
Anticipated expiration: 2029-10-08

Abstract

The utility model discloses a be used in sealed pad on flange, including sealed the pad main part, eaves department is all fixed to be equipped with the joint bulge loop about sealed pad main part in both ends, sealed pad main part is close to the fixed wavy line that is equipped with of joint bulge loop terminal surface, the fixed edge bulge loop that is equipped with of outer eaves department in sealed pad main part upper end, a plurality of screw mounting holes that are annular equidistance and distribute are seted up to sealed pad main part terminal surface, the spiral shell groove has been seted up to screw mounting hole upper end. The utility model relates to a sealed pad, in particular to sealed pad of being used on flange belongs to rubber seal ring technical field. The utility model discloses an install the set screw additional on the packing ring, and make the packing ring can not produce deformation through opening the indent of preventing, make the fixed effectual of packing ring, through eaves set up the joint bulge loop in the packing ring, the joint bulge loop joint improves sealed and fixed effect at the flange inner wall, through setting up raised grain and marginal bulge loop, has further improved the sealed effect that fills up.

Description

Sealing gasket for flange

Technical Field

The utility model relates to a sealed pad, in particular to sealed pad of being used on flange belongs to rubber seal ring technical field.

Background

The sealing gasket is a sealing spare part used for machines, equipment and pipelines as long as the fluid exists, and uses the internal and external parts as materials for sealing, the sealing gasket is made of metal or nonmetal plate-shaped materials through cutting, stamping or cutting and other processes and is used for sealing connection between pipelines and between machine parts of the equipment, and the sealing gasket can be divided into metal sealing gaskets and nonmetal sealing gaskets according to the materials, metal copper gaskets, stainless steel gaskets, iron gaskets, aluminum gaskets and the like, nonmetal asbestos gaskets, non-asbestos gaskets, paper gaskets, rubber gaskets and the like.

The flange pad generally adopts the rubber gasket, and current flange seal ring can't fix it with the screw, and stable effect is not good, because sealed cushion is soft material, uses the screw to fix it the back and causes the sealed effect that the sealed pad of deformation influence easily to it, and the sealed effect of the sealed pad that has now simultaneously needs to be strengthened.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a be used in sealed pad on flange, solve the sealed pad that current flange was used and stabilize the problem that the effect is not good and sealed effect is not good.

In order to solve the technical problem, the utility model adopts the technical scheme that: the utility model provides a be used in sealed pad on flange, includes sealed the pad main part, eaves department is all fixed to be equipped with the joint bulge loop in sealed pad main part upper and lower both ends, sealed pad main part is close to the fixed wavy line that is equipped with of joint bulge loop terminal surface, the fixed marginal bulge loop that is equipped with of outer eaves department in sealed pad main part upper end, a plurality of screw mounting holes that are annular equidistance and distribute are seted up to sealed pad main part terminal surface, the spiral shell head groove has been seted up to screw mounting hole upper end, spiral shell head groove bottom outside is equipped with anti-pressure tank downwards.

The preferable scheme of the scheme is as follows: the depth of the screw head groove and the pressure-proof groove is not more than half of the thickness of the sealing gasket main body.

The preferable scheme of the scheme is as follows: the screw is arranged in the screw mounting hole, and the head of the screw does not exceed the top end of the screw head groove.

The preferable scheme of the scheme is as follows: the wave pattern is provided with at least three circles.

The preferable scheme of the scheme is as follows: the thickness of the raised grains is equal to that of the edge convex ring.

The preferable scheme of the scheme is as follows: the gasket is integrally formed.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses an install the set screw additional on the packing ring, and make the packing ring can not produce deformation through opening the indent of preventing, make the fixed effectual of packing ring, through eaves set up the joint bulge loop in the packing ring, the joint bulge loop joint improves sealed and fixed effect at the flange inner wall, through setting up raised grain and marginal bulge loop, has further improved the sealed effect that fills up.

Drawings

Fig. 1 is a schematic structural view of a top view of the present invention;

fig. 2 is a schematic structural view of the bottom view of the present invention;

fig. 3 is a partial sectional view of the middle screw mounting hole of the present invention.

In the figure: 1-raised grain, 2-clamping convex ring, 3-screw mounting hole, 4-sealing gasket main body, 5-edge convex ring, 6-pressure-proof groove and 7-screw head groove.

Detailed Description

The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

As shown in fig. 1-3, the sealing gasket for the flange of this embodiment includes a sealing gasket main body 4, a clamping convex ring 2 is fixedly disposed at the inner brim of the upper and lower ends of the sealing gasket main body 4, the clamping convex ring 2 is used for clamping the inner wall of the flange, the outer wall of the clamping convex ring 2 is tightly attached to the inner wall of the flange ring for fixing, a raised wave 1 is fixedly disposed on the sealing gasket main body 4 near the end surface of the clamping convex ring 2, the raised wave 1 has at least three rings to achieve multiple sealing effects, an edge convex ring 5 is fixedly disposed at the outer brim of the upper end of the sealing gasket main body 4 to have the same effect as the raised wave 1, so as to further improve the sealing effect, a plurality of screw mounting holes 3 distributed in annular equal distance are disposed on the end surface of the sealing gasket main body 4, a screw groove 7 is disposed at the upper end of the screw mounting hole 3, an anti-pressure groove 6 is downwardly disposed at the outer side of the bottom end of the, prevent that sealed 4 of pad main part's intensity is not enough, prevent that it from appearing the fracture easily, still include with the screw of screw mounting hole 3 and spiral shell groove 7 looks adaptation, and the screw is installed when screw mounting hole 3, the screw head is no longer than spiral shell groove 7 top, prevent sealed pad when using, the screw head causes the influence to sealed, the thickness of raised grain 1 equals with the thickness of marginal bulge loop 5, play sealed effect, this sealed integrated into one piece that fills up, pour into liquid rubber integrated into one piece through the mould.

The utility model provides a be equipped with this sealed flange that fills up, the junction of flange set up with the sealed gasket groove of filling up looks adaptation of the aforesaid, the threaded hole with 3 looks adaptations of screw mounting hole is seted up to the gasket groove bottom, the screw passes screw mounting hole 3 and fixes sealed pad main part 4 in the gasket groove.

The specific working principle of the present invention will be specifically explained below: when the sealing gasket is clamped in the sealing gasket groove, the screw mounting hole 3 is aligned with the threaded hole, the screw is rotated into the threaded hole, the head of the screw is embedded into the screw head groove 7, the bottom of the screw head groove 7 is extruded by the head of the screw after the screw is screwed, the anti-pressure groove 6 is arranged on the outer side of the bottom of the screw head groove 7 in a downward opening manner, so that the bottom of the screw head groove 7 forms a single protruding rubber gasket, the head of the screw is pressed on the bottom of the screw head groove 7, only the rubber gasket formed by the anti-pressure groove 6 is subjected to pressure test, the end surface of the screw mounting hole 3 cannot be deformed due to pressure, the rubber gasket generated due to the screw is prevented from being torn, the fixing effect on the rubber gasket is good, the phenomenon that the sealing is not tight due to the deformation of the end surface of the rubber gasket caused by the addition of the screw is avoided, meanwhile, the, and the flange is in the connection back, and joint bulge loop 2 can play sealed effect, through being equipped with raised grain 1 at sealed 4 terminal surfaces of filling up the main part, is equipped with marginal bulge loop 5 at sealed 4 outer eaves of filling up the main part, and the flange is after connecting, and to raised grain 1 and marginal bulge loop 5 pressure, and every round and marginal bulge loop 5 of raised grain 1 all have independent sealed effect to sealed, improve sealed effect.

To sum up, the utility model provides a sealed pad of being used on flange through install the fixed screw additional on the packing ring, and makes the packing ring can not produce deformation through opening the indent of defending 6, makes the fixed effectual of packing ring, sets up joint bulge loop 2 through eaves in the packing ring, and 2 joints of joint bulge loop improve sealed and fixed effect at the flange inner wall, through setting up raised grain 1 and marginal bulge loop 5, have further improved sealed effect of filling up.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.

Claims

1. A gasket for use on a flange, comprising a gasket body (4), characterized in that: eaves department is all fixed to be equipped with joint bulge loop (2) about sealed main part (4) in both ends, sealed main part (4) of filling up is close to joint bulge loop (2) fixed terminal surface and is equipped with raised wave (1), the fixed edge bulge loop (5) that is equipped with of outer eaves department in sealed main part (4) upper end, a plurality of screw mounting holes (3) that are annular equidistance and distribute are seted up to sealed main part (4) terminal surface of filling up, spiral shell groove (7) have been seted up to screw mounting hole (3) upper end, spiral shell groove (7) bottom outside is equipped with anti-pressure tank (6) downwards.

2. A gasket for a flange according to claim 1, wherein the depth of the screw groove (7) and the anti-pressure groove (6) is not more than half the thickness of the gasket body (4).

3. The gasket for the flange according to claim 1, further comprising a screw fitted to the screw fitting hole (3) and the screw head groove (7), wherein the head of the screw does not exceed the top end of the screw head groove (7) when the screw is fitted to the screw fitting hole (3).

4. A gasket for flanges according to claim 1, characterised in that said undulations (1) are provided with not less than three turns.

5. A sealing gasket for flanges according to claim 1, characterized in that the thickness of said wave (1) is equal to the thickness of the edge bead (5).

6. A gasket for a flange according to claim 1, wherein said gasket is formed integrally.