CN202756610U

CN202756610U - O-shaped sealing ring

Info

Publication number: CN202756610U
Application number: CN 201220408039
Authority: CN
Inventors: 郑辉; 郑风景; 张付英
Original assignee: Tianjin University of Science and Technology
Current assignee: Tianjin University of Science and Technology
Priority date: 2012-08-17
Filing date: 2012-08-17
Publication date: 2013-02-27
Anticipated expiration: 2022-08-17

Abstract

The utility model relates to an O-shaped sealing ring which comprises a sealing ring body and locating flanges, wherein the sealing ring body is a circular rubber ring which is integrally molded by injection, a plurality of the locating flanges are evenly arranged on the outer circumference of the sealing ring body at intervals in radial mode, and a layer of organic fluorine crystallization thin film is coated outside the sealing ring and the locating flanges. The O-shaped sealing ring is scientific in design, simple in structure, reliable and durable, besides, installment locating is accurate, sealing performance is good, deformation is not easy, service life is long, damage is avoided, normal operation of equipment is ensured, and maintenance cost and manpower and material resources are saved effectively.

Description

A kind of O-ring seals

Technical field

The utility model belongs to the seal ring field, especially a kind of O-ring seals.

Background technique

Sealing is mainly used in preventing the dielectric leakages such as grease, profit in the seal arrangement, prevents that simultaneously extraneous medium from entering in the seal arrangement, is requisite accessory in various water-tight equipments, valve, the pipeline.In existing technology, the O-ring seals structure is more single, mostly be simple annulus or cylindrical shape, how by the rubber integrated injection molding, working life is shorter, can not be fit to high temperature, the complicated working environment such as unlubricated, is difficult to guarantee for a long time sealing effect under condition of seal ring, may produce the distortion in addition come off, cause equipment normally to move.

Summary of the invention

The purpose of this utility model is to overcome the deficiencies in the prior art part, and the O-ring seals of a kind of simple in structure, reliability and durability, long service life, good sealing effect is provided.

The utility model solves its technical problem and takes following technological scheme to realize:

A kind of O-ring seals, comprise seal ring body, locating flange, the seal ring body is integrated the annular rubber circle of molding and forming, it is characterized in that: sealing circle body excircle radial equipartition interval is shaped with a plurality of locating flanges, and sealing circle body and locating flange are uniformly coated with one deck Organic fluoride crystalline membrane outward.

And described locating flange is four.

Advantage of the present utility model and good effect are:

1, all radial equipartitions of this seal ring with outer interval is shaped with a plurality of locating flanges, can fix accurately the position of this Sealing, the convenient installation, effectively raising efficiency and accurate positioning, both can guarantee that the sealing effect of O-ring seals under the axial seal condition was good, and can keep again O-ring seals to be not easy to come off, and avoid O-ring seals to produce distortion, thereby prolong the seal ring Novel O-shaped seal ring in working life, guaranteed the normal operation of relevant device.。

2, this seal ring is uniformly coated with one deck Organic fluoride crystalline membrane outward, can effectively strengthen seal ring heat resistance, drug resistance, and strengthens the surface lubrication of seal ring, increases the service life.

3, the utility model design science, simple in structure, reliability and durability, and accurate positioning is installed, good seal performance, not yielding, long service life is avoided damaging, and assurance equipment normally moves, and effectively saves maintenance cost and manpower and materials.

Description of drawings

Fig. 1 is the utility model structural front view;

Fig. 2 is that the AA of Fig. 1 is to the structure sectional view.

Embodiment

The utility model is described in further detail below in conjunction with accompanying drawing and by specific embodiment, and following examples are descriptive, are not determinate, can not limit protection domain of the present utility model with this.

A kind of O-ring seals comprises seal ring body 1, locating flange 2, and the seal ring body is integrated the annular rubber circle of molding and forming, and innovative point of the present utility model is:

In order to promote the O-ring seals accurate positioning, sealing circle body excircle radial equipartition interval is shaped with a plurality of locating flanges, and locating flange shown in the present embodiment is four, and described locating flange and seal ring body are integrated the rubber body 3 of making.

For strengthen the seal ring heat resistance, drug resistance increases the service life, as shown in Figure 2, sealing circle body and locating flange are uniformly coated with one deck Organic fluoride crystalline membrane 4 outward.

Claims

1. O-ring seals, comprise seal ring body, locating flange, the seal ring body is integrated the annular rubber circle of molding and forming, it is characterized in that: sealing circle body excircle radial equipartition interval is shaped with a plurality of locating flanges, and sealing circle body and locating flange are uniformly coated with one deck Organic fluoride crystalline membrane outward.

2. O-ring seals according to claim 1, it is characterized in that: described locating flange is four.