Special rubber sealing plate for glass fiber reinforced plastic pipeline

Abstract

The utility model relates to a special rubber sealing plate for a glass fiber reinforced plastic pipeline, which comprises an annular sealing plate body, a bolt through hole arranged on the side surface of the annular sealing plate body, a bolt through hole sealing ring fixedly arranged on the annular sealing plate body, an inner ring sealing ring and an outer ring sealing ring, a plurality of inner deformation grooves and outer deformation grooves are formed in the inner circumferential surface and the outer circumferential surface of the annular sealing plate body; a middle deformation groove is formed in the annular sealing plate body between every two adjacent bolt passing holes; the side face of the annular sealing plate body is provided with the bolt passing hole, and the end edges of the two sides of the bolt passing hole are both provided with the bolt passing hole sealing rings, so that when end face flanges of two glass fiber reinforced plastic pipelines are connected, a bolt fastener between the two glass fiber reinforced plastic pipelines is surrounded by the bolt passing hole sealing rings, leakage cannot occur at the position, and the service life of the glass fiber reinforced plastic pipelines is prolonged. And the problem that the connection part is not sealed in place is avoided to the greatest extent.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of sealing plate, specifically is a glass steel pipeline special rubber sealing plate. BACKGROUND

[0002] In the connecting process of glass steel pipeline, the traditional sealing mode can adopt simple gasket or O type ring to seal, but these modes can have leakage risk under some high pressure, high temperature or corrosive medium environment, cannot satisfy the demand of long-term stable operation, glass steel pipeline is connected due to its light weight, high strength, corrosion resistance and other characteristics, especially the flange connection part, the requirement of sealing performance is extremely high, the traditional sealing mode is often difficult to completely satisfy these requirements, especially under the complex and changeable working environment, the sealing performance is easily affected, leading to leakage and other safety problems, which is embodied in the leakage of bolt fastener and the inner end edge and outer end edge of the connection of two glass steel pipelines; Therefore, we improve the existing sealing structure to improve the sealing performance of glass steel pipeline connection. SUMMARY

[0003] The utility model solves the technical problem in the prior art, provides a glass steel pipeline special rubber sealing plate which has good sealing effect, prevents leakage at the pipeline connection and is pressure-resistant and wear-resistant.

[0004] The technical problem solved by the utility model is solved by the following technical scheme, a glass steel pipeline special rubber sealing plate, which comprises an annular sealing plate body, and the middle part of the annular sealing plate body is through;

[0005] Bolt through holes are formed in the side surface of the annular sealing plate body for the bolts to pass through during the flange connection of the glass steel pipeline, bolt through hole sealing rings are fixed on the two side flat end surfaces of the annular sealing plate body, and the bolt through hole sealing rings are fixed at the two end edges of the bolt through holes to seal the connection of the bolts;

[0006] An inner ring sealing ring and an outer ring sealing ring are further arranged on the two side flat end surfaces of the annular sealing plate body, the inner ring sealing ring and the outer ring sealing ring are arranged inside and outside the flat end surface of the annular sealing plate body, and the bolt through hole sealing ring is located between the inner ring sealing ring and the outer ring sealing ring.

[0007] A plurality of inner deformation grooves and outer deformation grooves are formed in the inner and outer circumferential surfaces of the annular sealing plate body, and a middle deformation groove is formed in the annular sealing plate body between two adjacent bolt through holes.

[0008] The technical problems to be solved by the utility model can also be implemented by the following technical scheme, the special rubber sealing plate for glass steel pipeline above, the bolt through hole, bolt through hole sealing ring, inner ring sealing ring, outer ring sealing ring, inner deformation groove, outer deformation groove and the number of middle deformation groove are one-to-one corresponding arrangement.

[0009] The technical problems to be solved by the utility model can also be implemented by the following technical scheme, the special rubber sealing plate for glass steel pipeline above, the bolt through hole, bolt through hole sealing ring, inner ring sealing ring, outer ring sealing ring, inner deformation groove, outer deformation groove and the number of middle deformation groove are one-to-one corresponding arrangement.

[0010] Compared with the prior art, the utility model has the beneficial technical effects that:

[0011] (1) the side of annular sealing plate body has bolt through hole, and bolt through hole sealing ring is arranged on both sides of the end edge of bolt through hole, so that when the end face flange of two glass steel pipelines is connected, the bolt fastener between the two is surrounded by bolt through hole sealing ring, so that leakage does not occur at this place, and the problem of sealing failure at the connection is avoided to the maximum extent.

[0012] (2) the inner ring sealing ring and outer ring sealing ring arranged on the annular sealing version body can be respectively abutted on the inner side and the outer side of the connection when the glass steel pipeline connected by two flanges is connected, so as to further improve the sealing effect of the annular sealing plate body.

[0013] (3) the inner deformation groove, outer deformation groove and middle deformation groove arranged on the inner circumferential surface, outer circumferential surface and middle of annular sealing plate body can improve the compression resistance of annular sealing plate body, allow a certain compression resistance when the glass steel pipeline connected by two flanges slightly moves, and significantly improve the service life. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is the front view structure schematic diagram of the utility model;

[0015] Fig. 2 It is the full section structure schematic diagram of the utility model A-A.

[0016] Reference signs: 1, annular sealing plate body;2, bolt through hole;3, bolt through hole sealing ring;4, inner ring sealing ring;5, outer ring sealing ring;6, inner deformation groove;7, outer deformation groove;8, middle deformation groove. DETAILED DESCRIPTION

[0017] The specific technical scheme of the utility model is further described below with reference to the drawings, so that the person skilled in the art can further understand the utility model without limiting its rights.

[0018] Embodiment 1, refer to Figs. 1-2 A rubber sealing plate for glass steel pipeline, comprising a ring-shaped sealing plate body 1, the size of which can be customized according to the pipe diameter of the glass steel pipeline, and the ring-shaped sealing plate body 1 is arranged in a substantially annular shape, and a through hole is formed in the middle of the ring-shaped sealing plate body 1;

[0019] A bolt passing hole 2 is formed on the side surface of the ring-shaped sealing plate body 1 for the bolt to pass through, which is a circular through hole, so that the bolt can pass through when the glass steel pipeline flange is connected, and a bolt passing hole sealing ring 3 is fixedly arranged on the two side flat end surfaces of the ring-shaped sealing plate body 1, which is arranged in a substantially circular annular shape, and the bolt passing hole sealing ring 3 is fixed at the two end edges of the bolt passing hole 2, so as to seal the connection of the bolt;

[0020] An inner ring sealing ring 4 and an outer ring sealing ring 5 are further arranged on the two side flat end surfaces of the ring-shaped sealing plate body 1, which are arranged in a substantially circular annular shape, and the inner ring sealing ring 4 and the outer ring sealing ring 5 are fixedly arranged on the flat end surface of the ring-shaped sealing plate body 1, and the bolt passing hole sealing ring 3 is located between the inner ring sealing ring 4 and the outer ring sealing ring 5;

[0021] A plurality of inner deformation grooves 6 and outer deformation grooves 7 are formed on the inner and outer circumferential surfaces of the ring-shaped sealing plate body 1, which are arranged in a substantially semicircular shape and are smoothly connected with the inner and outer circumferential surfaces of the ring-shaped sealing plate body 1, and a middle deformation groove 8 is formed between the two adjacent bolt passing holes 2 on the ring-shaped sealing plate body 1, which is a waist-shaped groove and is located between the inner ring sealing ring 4 and the outer ring sealing ring 5;

[0022] The number of the bolt passing hole 2, the bolt passing hole sealing ring 3, the inner ring sealing ring, the outer ring sealing ring, the inner deformation groove 6, the outer deformation groove 7 and the middle deformation groove 8 corresponds to each other, and the size can be selected according to the use requirement.

[0023] Compared with the existing sealing ring, the rubber sealing plate for glass steel pipeline in Embodiment 1 has the following advantages:

[0024] (1) By arranging the bolt passing hole 2 on the side surface of the ring-shaped sealing plate body 1 and arranging the bolt passing hole sealing ring 3 on the two side end edges of the hole, the bolt fastener is effectively wrapped, thereby avoiding the leakage problem of the bolt connection and significantly improving the sealing performance of the flange connection, ensuring the stable operation of the pipeline system;

[0025] (2) The inner ring sealing ring 4 and the outer ring sealing ring 5 are arranged to abut against the inner side and the outer side of the connection, respectively, forming a double protection, which not only enhances the sealing effect, but also adapts to the pressure change under different working conditions, further reducing the risk of leakage;

[0026] (3) The deformation grooves (inner deformation groove 6, outer deformation groove 7 and middle deformation groove 8) are opened in the inner circumferential surface, the outer circumferential surface and the middle part of the annular sealing plate body 1, which not only improves the flexibility of the sealing plate, but also enhances the compression resistance of the sealing plate and prolongs the service life.

Claims

1. A rubber sealing plate for glass reinforced plastic pipe, characterized in that: It includes annular sealing plate body, the middle part of annular sealing plate body is through; The bolt through hole is set on the side of annular sealing plate body, and the bolt is passed through, so that the bolt is passed through when the glass steel pipeline flange is connected, and the bolt through hole sealing ring is fixed on both sides of the flat end face of annular sealing plate body, the bolt through hole sealing ring is fixed at the both end edges of the bolt through hole, so as to seal the connection of the bolt; The inner ring sealing ring and the outer ring sealing ring are also provided on the both sides of the flat end face of annular sealing plate body, and the inner ring sealing ring and the outer ring sealing ring are fixed on the flat end face of annular sealing plate body, the bolt through hole sealing ring is located between the inner ring sealing ring and the outer ring sealing ring; A plurality of inner deformation grooves and outer deformation grooves are formed on the inner circumferential surface and the outer circumferential surface of annular sealing plate body, and a middle deformation groove is formed between the adjacent two bolt through holes.

2. The rubber sealing plate for glass reinforced plastic pipe according to claim 1, characterized in that: The number of bolt through hole, bolt through hole sealing ring, inner ring sealing ring, outer ring sealing ring, inner deformation groove, outer deformation groove and middle deformation groove is one-to-one corresponding.

3. The rubber sealing plate for glass steel pipe as claimed in claim 1, wherein: The middle deformation groove is formed as a waist-shaped groove, which is located between the inner ring sealing ring and the outer ring sealing ring.

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