High-temperature-resistant polyether-ether-ketone gasket

By introducing a composite structure of reinforcing ring, reinforcing rod, outer ring, insert, and sealing ring into the polyetheretherketone gasket, combined with a heat insulation layer, the problem of poor sealing performance of existing gaskets is solved, achieving higher sealing performance and high temperature resistance, and extending service life.

CN223909060UActive Publication Date: 2026-02-13WENZHOU LONGWANG ELECTRONIC PLASTIC CO LTD
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Patent Information

Application Number
CN202520403578.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-10
Publication Date
2026-02-13
Estimated Expiration
2035-03-10

AI Technical Summary

Technical Problem

Existing polyetheretherketone (PEEK) gaskets have poor sealing performance at pipe connections, and their simple structure makes it difficult to effectively improve sealing performance and high-temperature resistance.

Method used

A composite structure comprising a reinforcing ring, a reinforcing rod, an outer ring, a tube, and a sealing ring was designed, which, combined with a heat insulation layer, enhances sealing performance and high-temperature resistance.

Benefits of technology

It improves the sealing performance between the gasket and the delivery pipe, extends the service life, and enhances the structural strength and high-temperature resistance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of gaskets, in particular to a high-temperature-resistant polyether-ether-ketone gasket which comprises two symmetrically-arranged conveying pipes, and a gasket body used for sealing is arranged at the joint of the two conveying pipes. A reinforcing ring is installed in the body, and a plurality of reinforcing rods are fixed to the reinforcing ring. A plurality of sealing rings are mounted on the outer wall of the insertion pipe; through the arrangement of the outer lantern ring, the body, the insertion pipes and the multiple sealing rings, the insertion pipes on the two sides are inserted into the conveying pipe, the multiple sealing rings are attached to the inner wall of the conveying pipe, and the connection sealing performance between the body and the conveying pipe on the two sides is improved; by means of the design, the connecting and sealing effect between the gasket and the conveying pipe is improved, and the sealing performance of the gasket is improved; the heat insulation layer is arranged, so that the high-temperature resistance of the gasket is improved, and the service life of the gasket is guaranteed; and through the arrangement of the reinforcing ring and the multiple reinforcing rods, the structural strength of the body is improved, and the service life of the gasket is prolonged.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the gasket technical field, concretely is a kind of polyether ether ketone gasket of high temperature resistance. BACKGROUND

[0002] Polyether ether ketone gasket is the sheet material that is processed with semi-crystalline aromatic thermoplastic engineering plastics as raw material, and polyether ether ketone gasket has the characteristics such as flame retardance, self-lubricating, wear resistance, high pressure resistance, corrosion resistance and high temperature resistance, and it has wide application in aerospace, automobile manufacturing, electronics and electrical appliances and food processing etc.Field;Currently, polyether ether ketone gasket is also arranged at the connecting place of part of conveying pipeline for sealing.

[0003] The structure of the existing polyether ether ketone gasket is simple when being used for pipeline connection sealing, and it is mostly simple ring, and is clamped by pipeline to seal, and the sealing effect of the structure is limited, and the sealing effect is general, in view of this, we provide a kind of polyether ether ketone gasket of high temperature resistance. UTILITY MODEL CONTENT

[0004] The utility model is to provide a kind of polyether ether ketone gasket of high temperature resistance to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A kind of polyether ether ketone gasket of high temperature resistance, including two symmetrical conveying pipes, the connecting place of two conveying pipes is equipped with the gasket for sealing;

[0007] The gasket includes a body;The inside of the body is mounted with reinforcing ring, and a plurality of reinforcing rods are fixed on the reinforcing ring;The outer wall of the body is fixedly installed with sleeve ring, and the inner wall of the sleeve ring is attached to the outer wall of the conveying pipe flange plate;The front and rear end faces of the body are both installed with pipe plug, and the pipe plug is inserted into the opening of the conveying pipe at both ends, a plurality of sealing rings are installed on the outer wall of the pipe plug, and the outer wall of the sealing ring abuts against the inner wall of the conveying pipe.

[0008] Preferably, the reinforcing ring and the reinforcing rod are integrally formed, and the reinforcing ring and the reinforcing rod are made of carbon fiber material.

[0009] Preferably, the plurality of reinforcing rods are annularly and equidistantly distributed, and the cross-sectional shape of the reinforcing rod is rectangular.

[0010] Preferably, the body, the sleeve ring and the pipe plug are integrally formed, and the body, the sleeve ring and the pipe plug are made of polyether ether ketone material.

[0011] Preferably, a plurality of through holes are formed on the body, and the plurality of through holes are annularly and equidistantly distributed.

[0012] Preferably, the front and rear end surfaces of the body are provided with heat insulation layers, and the flanges of the two side conveying pipes abut against the heat insulation layers on the two sides.

[0013] Preferably, the cross-sectional shape of the sealing ring is annular, and the sealing ring is a finished product made of rubber.

[0014] Compared with the prior art, the utility model has the beneficial effects of:

[0015] 1. By setting the sleeve ring, the body, the cannula and the plurality of sealing rings: the cannula on the two sides is inserted into the conveying pipe, and the plurality of sealing rings are attached to the inner wall of the conveying pipe, and under the action of the cannula and the sealing ring, the connection sealing property between the body and the conveying pipes on the two sides is improved; the design improves the connection sealing effect between the gasket and the conveying pipe, and increases the sealing property of the gasket.

[0016] 2. By setting the heat insulation layer, the high temperature resistance of the gasket is improved, and the service life of the gasket is ensured.

[0017] 3. By setting the reinforcing ring and the plurality of reinforcing rods, the structural strength of the body is improved, and the service life of the gasket is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a whole structure schematic view of the utility model;

[0019] Figure 2 It is a whole explosion structure schematic view of the utility model;

[0020] Figure 3 It is a structure sectional view of the body in the utility model;

[0021] Figure 4 It is a structure sectional view of the gasket in the utility model.

[0022] In the drawing:

[0023] 1, gasket; 10, body; 101, through hole; 102, heat insulation layer; 11, reinforcing ring; 12, reinforcing rod; 13, sleeve ring; 14, cannula; 15, sealing ring. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0025] The embodiment provides a technical scheme:

[0026] Please refer to Figures 1-4 The high-temperature-resistant polyether ether ketone gasket comprises two symmetrically arranged conveying pipes, and a gasket 1 is arranged at the joint of the two conveying pipes. The gasket 1 comprises a body 10, a reinforcing ring 11 is arranged in the body 10, a plurality of reinforcing rods 12 are fixed on the reinforcing ring 11, an outer sleeve ring 13 is fixedly arranged on the outer wall of the body 10, the inner wall of the outer sleeve ring 13 is in close contact with the outer wall of the flange plate of the conveying pipe, and a pipe plug 14 is arranged on the front and rear end faces of the body 10. The pipe plug 14 is inserted into the opening of the conveying pipe at the two ends, a plurality of sealing rings 15 are arranged on the outer wall of the pipe plug 14, and the outer wall of the sealing ring 15 is in close contact with the inner wall of the conveying pipe.

[0027] In the embodiment, the reinforcing ring 11 and the reinforcing rod 12 are integrally formed, and the reinforcing ring 11 and the reinforcing rod 12 are made of carbon fiber material. The reinforcing ring 11 and the reinforcing rod 12 made of carbon fiber material have better structural strength. The reinforcing ring 11 and the reinforcing rod 12 are arranged in the body, thereby improving the structural strength of the body 10 and prolonging the service life of the body 10.

[0028] In the embodiment, the plurality of reinforcing rods 12 are arranged in a ring shape and at equal intervals, and the cross-sectional shape of the reinforcing rod 12 is rectangular. The plurality of reinforcing rods 12 can increase the structural strength of the body 10.

[0029] In the embodiment, the body 10, the outer sleeve ring 13 and the pipe plug 14 are integrally formed, and the body 10, the outer sleeve ring 13 and the pipe plug 14 are made of polyether ether ketone material. The integrally formed structure makes the connection between the body 10, the outer sleeve ring 13 and the pipe plug 14 firm and stable. The polyether ether ketone material has the advantages of corrosion resistance and high temperature resistance, thereby prolonging the service life of the body 10.

[0030] In the embodiment, a plurality of through holes 101 are arranged on the body 10, and the plurality of through holes 101 are arranged in a ring shape and at equal intervals. The through holes 101 are arranged to facilitate the bolts connecting the conveying pipes to pass through, and facilitate the installation of the gasket 1 between the two conveying pipes.

[0031] In the embodiment, the front and rear end faces of the body 10 are provided with heat insulation layers 102, and the flange plates of the two conveying pipes are in close contact with the heat insulation layers 102 on the two sides. The heat insulation layers 102 improve the high-temperature resistance of the gasket 1 and prolong the service life of the gasket 1.

[0032] In the embodiment, the cross-sectional shape of the sealing ring 15 is a ring shape, and the sealing ring 15 is made of rubber material. The sealing ring 15 made of rubber material increases the sealing property of the connection between the pipe plug 14 and the conveying pipe.

[0033] It should be noted that the thickness of the body 10 in the embodiment is preferably 1.5 cm, and when the two side delivery pipes are fixed by bolts, the two ends of the delivery pipes are in close contact with the two end faces of the body 10, thereby achieving good sealing effect.

[0034] In specific use, the user first inserts the two side cannulas 14 into the openings of the two side delivery pipes, at this time the plurality of sealing rings 15 are inserted into the openings of the delivery pipes, and the sealing rings 15 are in close contact with the inner walls of the delivery pipes, then the user passes the bolts through the flanges at the two ends of the delivery pipes, and passes the bolts through the through holes 101, finally the user tightens the nuts on the bolts, so that the two side delivery pipes are fixed, and the gasket 1 is fixed between the two delivery pipes.

[0035] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only preferred examples of the utility model and are not intended to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model can have various changes and improvements, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A high-temperature resistant polyetheretherketone gasket, comprising two symmetrically arranged delivery tubes, wherein a gasket (1) for sealing is provided at the connection between the two delivery tubes, characterized in that: The gasket (1) includes a body (10); a reinforcing ring (11) is installed inside the body (10), and multiple reinforcing rods (12) are fixed on the reinforcing ring (11); an outer ring (13) is fixedly installed on the outer wall of the body (10), and the inner wall of the outer ring (13) is in contact with the outer wall of the conveying pipe flange; a tube (14) is installed on both the front and rear end faces of the body (10), and the tube (14) is inserted into the opening of the conveying pipe at both ends. Multiple sealing rings (15) are installed on the outer wall of the tube (14), and the outer wall of the sealing ring (15) abuts against the inner wall of the conveying pipe.

2. The high-temperature resistant polyetheretherketone gasket according to claim 1, characterized in that: The reinforcing ring (11) and the reinforcing rod (12) are integrally formed structures, and the reinforcing ring (11) and the reinforcing rod (12) are made of carbon fiber.

3. The high-temperature resistant polyetheretherketone gasket according to claim 1, characterized in that: The multiple reinforcing rods (12) are distributed in a ring at equal intervals, and the cross-sectional shape of the reinforcing rods (12) is rectangular.

4. The high-temperature resistant polyetheretherketone gasket according to claim 1, characterized in that: The body (10), outer ring (13) and insertion tube (14) are integrally molded structures, and the body (10), outer ring (13) and insertion tube (14) are made of polyetheretherketone material.

5. The high-temperature resistant polyetheretherketone gasket according to claim 1, characterized in that: The main body (10) has multiple through holes (101) and the multiple through holes (101) are distributed in a ring with equal spacing.

6. The high-temperature resistant polyetheretherketone gasket according to claim 1, characterized in that: The front and rear ends of the main body (10) are provided with heat insulation layers (102), and the flanges of the conveying pipes on both sides are respectively pressed against the heat insulation layers (102) on both sides.

7. The high-temperature resistant polyetheretherketone gasket according to claim 1, characterized in that: The sealing ring (15) has an annular cross-sectional shape and is made of rubber.