CN208871205U - A kind of flange seal mat structure - Google Patents

Abstract

The utility model relates to flange seal technical fields, and disclose a kind of flange seal mat structure, including gasket seal, upper flange and lower flange, gasket seal is folded between two contact surface of the upper flange and lower flange, the outer cover of the gasket seal is equipped with gasket Anti-slip cover, through-hole is offered in the middle part of the gasket seal, the inner ring sleeve of the through-hole is equipped with rubber seal, the inner ring of the rubber seal is fixedly connected with becket, the two sides of the through-hole offer the pilot hole fixed for two flanges, by the way that gasket Anti-slip cover is arranged, becket and rubber seal, realize the tight seal to bump joint, form good leakproofness, becket good mechanical property, high temperature resistant, rubber seal and gasket Anti-slip cover resilience and sealing effect are good, long service life, the technical solution has structure simple, cost It is cheap, solve conventional seals pad poor sealing effect, the small problem of practicability.

Description

A kind of flange seal mat structure

Technical field

The utility model relates to flange seal technical field, specially a kind of flange seal mat structure.

Background technique

Flange is part interconnected between axis and axis, for the connection between pipe end；Also have and imported and exported used in equipment On flange, it is all to be bolted together in two planar perimeter uses such as speed reducer flange for the connection between two equipment When closed union piece, generally referred to as flange.When flange gasket is that two panels flange is connected, it is placed on two panels flange seal Then the centre in face tightens flange, a kind of product for leaking flange not with bolt.

Flanged joint is easy to use, is able to bear biggish pressure.In industrial pipeline, the use of flanged joint is very wide It is general.In the junctions such as the pipe fitting of pipeline or plunger, gasket seal will use mostly, existing gasket seal mostly uses greatly pure rubber Rubber mat, asbestos pad etc., poor sealing effect, and complexity is assembled, it is easy to fall off, connection is very inconvenient, wastes the set-up time, reduces Connection speed, and increase the labor intensity of operator.Since gasket and medium are not directly contacted with, dielectric corrosion influences and pressure The permeation effects of power mechanism are minimum, can be used for the stringent occasion of the seal requests such as high pressure, inflammable, explosive, poisonous medium, but this The processing of kind sealing surface and pad replacing are more difficult, are not suitable for the sealed connection often dismantled.Therefore the leakproofness of connection is inspection The important parameter characteristic of flange quality is tested, phenomena such as infiltration gas leakage easily occurs in poor sealing.And the sealing that existing flange uses Pad, it cannot be guaranteed that good leakproofness, so needing a kind of flange seal mat structure to solve the above problems.

Utility model content

(1) the technical issues of solving

In view of the deficiencies of the prior art, the utility model provides a kind of flange seal mat structure, and it is good to have a sealing effect, Long service life and be suitable for the occasions such as high pressure, corrosion-resistant the advantages that, solve conventional seals pad sealing effect it is bad, practicability Small problem.

(2) technical solution

To realize that above-mentioned sealing effect is good, long service life and corrosion resistant purpose, the utility model provide following technology Scheme: a kind of flange seal mat structure, including gasket seal, upper flange and lower flange, the upper flange and lower flange two contact Gasket seal is folded between face, the outer cover of the gasket seal is equipped with gasket Anti-slip cover, opens in the middle part of the gasket seal Equipped with through-hole, the inner ring sleeve of the through-hole is equipped with rubber seal, and the rubber seal includes the excessive of becket and two sides Notch, the inner ring of the rubber seal are fixedly connected with becket, and the through-hole is embedded in annular excessively notch, described logical The two sides in hole offer the pilot hole fixed for two flanges, and the two sides of the upper flange and lower flange pass through bolt spiral shell Line connection, the top of the lower flange two sides be equipped with annular groove, the two sides of the bottom of the upper flange be convexly equipped with it is recessed Slot is corresponding and the crushing block that is arranged in a ring, and the outside portion of the crushing block is respectively arranged with positioning flank, the gasket The upper and lower surface of piece is set as frosting, and frosting surface is provided with anti-skid chequer, the two sides position of the upper flange and lower flange Set and offer bolt hole, the bolt hole internal screw thread is connected with bolt, the upper flange and lower flange pass through bolt hole and The section for stating crushing block together is fixedly mounted into triangle in bolt, and in the arc-shaped, the triangle is arranged in the tip of the triangle Positioning flank is respectively equipped on the interior outside portion of shape, the end face of the groove is equipped with V-groove corresponding with crushing block, V type groove Two sidewalls angle be acute angle, the internal diameter of the through-hole and the diameter of the through hole of upper flange and lower flange match, described logical The outer diameter in hole is 1-2m smaller than the contact surface outer diameter of upper flange and lower flange, and the outer surface of gasket Anti-slip cover is provided with anti-slip rubber Pad, and the surface of anti-skid rubber cushion is provided with anti-skid chequer.

(3) beneficial effect

Compared with prior art, the utility model provides a kind of flange seal mat structure, have it is following the utility model has the advantages that

1, the flange seal mat structure, by the way that gasket Anti-slip cover, becket and rubber seal is arranged, realization connects flange The tight seal of head, forms good leakproofness, becket good mechanical property, compression set is small, high temperature resistant, the rubber Glue sealing ring and gasket Anti-slip cover use rubber material, have certain elasticity, sealed reliable, solvent resistant, rubber seal and Compared to the gasket seal of only becket, resilience and sealing effect have greatly improved for the setting of gasket Anti-slip cover, And during the work time due to the influence of high temperature, gasket the more is pressed the more tight.So that the utility model has the advantages of convenient installation, sealing effect Good, long service life is suitable for the occasions such as high pressure, corrosion-resistant, which has structure simple, easy for installation, practicability The advantages that strong and low in cost.

2, flange seal mat structure, by the way that crushing block, groove and positioning flank is arranged, so that the utility model installation side Just, sealing effect is good, and manufacturing process is simple, good airproof performance, and crushing block presses groove, and drives in the expansion of groove circumferential surface and groove Wall keeps impaction state, when flange assembly is used for a long time, when gasket seal aging or when being corroded, is unlikely to generate locally It is damaged and leak the fluid media (medium) in pipeline, the waste of fluid media (medium) is avoided, the continuity of pipeline is maintained, solution Above-mentioned gasket structure poor sealing effect, practicability small problem.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the top view of the utility model；

Fig. 3 is the cross-sectional view of the utility model.

In figure: 1, gasket Anti-slip cover；2, gasket seal；3, through-hole；4, rubber seal；5, pilot hole；6, becket；7, Excessive notch；8, upper flange；9, lower flange；10, bolt；11, crushing block；12, flank is positioned；13, groove.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Please refer to Fig. 1-3, a kind of flange seal mat structure, including gasket seal 2, upper flange 8 and lower flange 9, upper flange 8 Gasket seal 2 is folded between 9 liang of contact surfaces of lower flange, the outer cover of gasket seal 2 is equipped with gasket Anti-slip cover 1, gasket The middle part of piece 2 offers through-hole 3, and the inner ring sleeve of through-hole 3 is equipped with rubber seal 4, and rubber seal 4 includes becket 6 and two The excessive notch 7 of side, the inner ring of rubber seal 4 are fixedly connected with becket 6, and through-hole 3 is embedded in annular excessively notch 7, The two sides of through-hole 3 offer the pilot hole 5 fixed for two flanges, and the two sides of upper flange 8 and lower flange 9 pass through bolt 10 be threadedly coupled, the top of 9 two sides of lower flange be equipped with annular groove 13, the two sides of the bottom of upper flange 8 be convexly equipped with it is recessed Slot 13 is corresponding and the crushing block 11 that is arranged in a ring, the outside portion of crushing block 11 are respectively arranged with positioning flank 12, gasket The upper and lower surface of piece 2 is set as frosting, and frosting surface is provided with anti-skid chequer, and the setting of frosting has further functioned as one Fixed protection effect, compared to smooth surface, frosting is not easy to hurt finger, and two side positions of upper flange 8 and lower flange 9 open up There is bolt hole, bolt hole internal screw thread is connected with bolt 10, and upper flange 8 and lower flange 9 pass through bolt hole and the fixed peace of bolt 10 Dress together, plays fixed effect, and convenient for disassembly and assembly, structure is simple, is easily installed use, the section of crushing block 11 is at three Angular, the tip setting of the triangle is in the arc-shaped, keeps flange seal mat structure relatively reliable, specifically, triangle is inside and outside Positioning flank 12 is respectively equipped on side, the end face of groove 13 is equipped with V-groove corresponding with crushing block 11, the two sides of V-groove Wall angle is acute angle, does not only reach be tightly connected the sealed connection that can also make upper flange 8 and lower flange 9 and disassembly more in this way Convenient, the internal diameter of through-hole 3 and the diameter of the through hole of upper flange 8 and lower flange 9 match, and the outer diameter of through-hole 3 is than 8 He of upper flange The small 1-2m of contact surface outer diameter of lower flange 9 will not make gasket seal 2 sliding phenomenon, the appearance of gasket Anti-slip cover 1 occur when working Face is provided with anti-skid rubber cushion, and the surface of anti-skid rubber cushion is provided with anti-skid chequer, and the anti-skidding effect of the gasket seal 2 can be improved Fruit, it is more resistant, improve the leakproofness and stability of the gasket structure.

When in use, upper flange 8, lower flange 9 and gasket seal 2, upper flange 8 and lower flange 9 are installed by bolt 10 Between by bolt 10 tense combine when, crushing block 11 presses gasket seal 2, and drive 2 circumferential surface of gasket seal expand and groove 13 inner walls keep impaction state, realize to the tight seal of bump joint, keep the dismounting of upper flange 8 and lower flange 9 very convenient, Gasket Anti-slip cover 1 and rubber seal 4 inside and outside play the role of anti-skidding and protection, 6 mechanical performance of becket to gasket seal 2 Good, compression set is small, high temperature resistant, and 4 resilience of rubber seal is good, sealed reliable, solvent resistant, and rubber seal 4 is set Set the gasket seal 2 compared to only becket 6, resilience and sealing effect have greatly improved, therefore flange face with What is be bonded between gasket seal 2 is even closer, and it is bad to solve 2 sealing effect of conventional seals gasket, the small problem of practicability.

In conclusion the flange seal mat structure, real by the way that gasket Anti-slip cover 1, becket 6 and rubber seal 4 is arranged Now to the tight seal of bump joint, good leakproofness is formed, 6 good mechanical property of becket, compression set is small, resistance to height Temperature, the rubber seal 4 and gasket Anti-slip cover 1 use rubber material, have certain elasticity, sealed reliable, solvent resistant, Gasket seal 2 of the setting of rubber seal 4 and gasket Anti-slip cover 1 compared to only becket 6, resilience and sealing effect Have greatly improved and during the work time due to the influence of high temperature, gasket seal 2 the more is pressed the more tight.So that the utility model Easy for installation, sealing effect is good, long service life, is suitable for the occasions such as high pressure, corrosion-resistant, which has structure letter It is single, it is easy for installation, it is practical and low in cost the advantages that.By the way that crushing block 11, groove 13 and positioning flank 12 is arranged, so that The utility model has the advantages of convenient installation, and sealing effect is good, and manufacturing process is simple, good airproof performance, and crushing block 11 presses groove 13, and drives The expansion of 13 circumferential surface of groove keeps impaction state with 13 inner wall of groove, when flange assembly is used for a long time, when 2 aging of gasket seal or When being corroded, it is unlikely to generate local damage and leak the fluid media (medium) in pipeline, avoids the waste of fluid media (medium), protect The continuity for having held pipeline solves above-mentioned gasket structure poor sealing effect, the small problem of practicability.

It should be noted that, in this document, such as the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that There is also other identical elements in process, method, article or equipment including the element.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (1)

1. a kind of flange seal mat structure, including gasket seal (2), upper flange (8) and lower flange (9), it is characterised in that: described It is folded with gasket seal (2) between (9) two contact surface of upper flange (8) and lower flange, the outer cover of the gasket seal (2) is equipped with Gasket Anti-slip cover (1) offers through-hole (3) in the middle part of the gasket seal (2), and the inner ring sleeve of the through-hole (3) is equipped with rubber Sealing ring (4), the rubber seal (4) include the excessive notch (7) of becket (6) and two sides, the rubber seal (4) Inner ring be fixedly connected with becket (6), the through-hole (3) is embedded in annular excessively notch (7), the two of the through-hole (3) Side offers the pilot hole (5) fixed for two flanges, and the two sides of the upper flange (8) and lower flange (9) pass through spiral shell Bolt (10) is threadedly coupled, and the top of lower flange (9) two sides is equipped with the groove (13) of annular, the bottom of the upper flange (8) Portion two sides are convexly equipped with crushing block (11) corresponding with groove (13) and being arranged in a ring, the outside portion of the crushing block (11) It is respectively arranged with positioning flank (12), the upper and lower surface of the gasket seal (2) is set as frosting, and frosting surface is arranged There is an anti-skid chequer, two side positions of the upper flange (8) and lower flange (9) offer bolt hole, and the bolt hole internal screw thread connects It is connected to bolt (10), the upper flange (8) and lower flange (9) are fixedly mounted together by bolt hole and bolt (10), described For the section of crushing block (11) at triangle, the tip setting of the triangle is in the arc-shaped, divides on the interior outside portion of the triangle It She You not position flank (12), the end face of the groove (13) is equipped with V-groove corresponding with crushing block (11), and the two of V-groove Side wall angle is acute angle, and the internal diameter of the through-hole (3) and the diameter of the through hole of upper flange (8) and lower flange (9) match, institute The outer diameter for stating through-hole (3) is 1-2m smaller than the contact surface outer diameter of upper flange (8) and lower flange (9), outside the gasket Anti-slip cover (1) Surface is provided with anti-skid rubber cushion, and the surface of anti-skid rubber cushion is provided with anti-skid chequer.