CN203189734U - Trapezoid slip ring type combined seal ring - Google Patents
Trapezoid slip ring type combined seal ring Download PDFInfo
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- CN203189734U CN203189734U CN2013202280370U CN201320228037U CN203189734U CN 203189734 U CN203189734 U CN 203189734U CN 2013202280370 U CN2013202280370 U CN 2013202280370U CN 201320228037 U CN201320228037 U CN 201320228037U CN 203189734 U CN203189734 U CN 203189734U
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- ring
- seal ring
- trapezoid
- sealing
- trapezoidal
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Abstract
The utility model discloses a trapezoid slip ring type combined seal ring, and belongs to the field of combined type sealing material manufacturing. The trapezoid slip ring type combined seal ring comprises a trapezoid sealing ring body and an O-shaped rubber ring. The trapezoid slip ring type combined seal ring is characterized in that a triangular groove is formed in the right sealing face of the trapezoid sealing ring body, an arc-shaped groove is formed in the lower lip face of the trapezoid sealing ring body, the trapezoid sealing ring body is made of Teflon, the O-shaped rubber ring is made of nitrile rubber, and the cross section of the O-shaped rubber ring is circular. The trapezoid slip ring type combined seal ring has the advantages of being simple in structure, convenient to install, good in sealing performance, small in friction force and long in service life and having automatic elasticity compensation and the like, and is particularly suitable for high-speed rotating sealing.
Description
Technical field
The utility model belongs to the combined labyrinth and carbon gland material and makes the field, relates in particular to a kind of trapezoidal sliding ring type combined seal ring.
Background technique
Sealing is to prevent fluid or the component of solid particle from leaking and prevent intrusion machinery equipment inside such as introduced contaminants such as dust and moisture between adjacent junction plane, and static seal and motive sealing two big classes are arranged.Static seal mainly contains pad sealing, sealer sealing and directly contacts the sealing three major types; Motive sealing can be divided into rotary seal and two kinds of fundamental types of reciprocation sealing, and whether the component of doing relative movement by Sealing and its contact, and can be divided into contact seal and noncontact seal; Can be divided into circumferential sealing and end face seal again by Sealing and contact position.To the basic demand of sealing be good airproof performance, safe and reliable, life-span length, compact structure, system simple, make easy to maintenancely, with low cost, most of Sealing easily damaged partss should guarantee interchangeability, realization standardization, seriation.Requirement to sealing material is: material compactness is good; Suitable mechanical strength and hardness are arranged; Compressibility and rebound elasticity are good; Not softening under the high temperature, non-sclerous under the low temperature; Corrosion resistance is good; Friction factor is little, and wear resistance is good; Have with sealing surface and paste full ductility; Ageing resistance is good; Low price.Can select for use materials such as rubber, graphite tape, teflon to make as required.The utility model is a kind of trapezoidal sliding ring type combined seal ring, belongs to rotation, contact-type circumferential sealing in the motive sealing.The sealing circle is a similar trapezoidal sliding ring of sectional shape and the garden ring that O shape rubber body is formed, sliding ring employing teflon is that the composite material of main raw material is made, because of the teflon friction factor little, only be 0.02-0.04, having self-lubricating property and static and dynamic friction coefficient equates, thermal adaptability is strong, can be in the advantage of long-term work in the-55-255 ℃ scope, and for the proper functioning of sliding ring provides assurance.The right of trapezoidal seal ring is provided with triangular groove, and triangular groove makes to contact with dual face and diminishes, and the frictional force of generation is little and to give birth to heat less, can store lubricant oil in the triangular groove simultaneously, has further strengthened sealing effect, has reduced frictional force; The thin lip in the lower end of trapezoidal seal ring is provided with a groove, O shape rubber ring places groove, the surface of contact of O shape rubber ring and groove is circular arc, O shape rubber ring has pre compressed magnitude after being combined with groove and installing, have certain precompressed O shape rubber ring and give pre-pressing force of trapezoidal seal ring, trapezoidal seal ring tightly is fitted in by the Sealing surface, faying surface has lubricated and does not have the effect of leaking and playing sealing, increase along with the sealing directional pressure, the power of holding tightly of sealing is more big, and the applying on sealed surface is more tight, and namely more high leak tightness is more good for pressure, therefore, trapezoidal combination seal has good selfsealings performance; O shape rubber ring by two side bumpers of trapezoidal seal ring, thereby can " do not extruded ", can tolerate the pressure of 300Mpa, after the polytetrafluoroethylene ring long-term work of high abrasion forms wearing and tearing, the elastic force that O shape rubber ring provides can make seal ring produce enough distortion with the compensate for wear amount, so trapezoidal combination seal has the function of automatic compensation, improved operating life greatly.Because the combination of teflon seal ring and O shape rubber ring makes trapezoidal combined seal ring have long working life, surface friction drag is little, and sealability is splendid, characteristics such as anti-high pressure.
Summary of the invention
The problem that the utility model mainly solves provides a kind of trapezoidal sliding ring type combined seal ring, and that this product has is simple in structure, easy for installation, good seal performance, frictional force are little, long working life, series of advantages such as elastic compensating automatically.
The technical solution adopted in the utility model is:
A kind of trapezoidal sliding ring type combined seal ring comprises: trapezoidal seal ring, O shape rubber ring; It is characterized in that: the right sealing surface of trapezoidal seal ring is provided with triangular groove, and the following labial surface of trapezoidal seal ring is provided with circular groove.
Further technological scheme of the present utility model is:
Described trapezoidal seal ring is made by teflon.
Described O shape rubber ring is made by nitrile butadiene rubber, and its cross section is circular.
The beneficial effects of the utility model are: a kind of trapezoidal sliding ring type combined seal ring is provided, the advantage of this trapezoidal sliding ring type combined seal ring is: simple in structure, easy for installation, good seal performance, frictional force are little, long working life and have advantages such as automatic elastic compensating, especially are adapted to high speed rotary seal.
Description of drawings:
Be sectional view of the present utility model as Fig. 1, Fig. 2 is the whole plan view of trapezoidal sliding ring type combined seal ring.
Embodiment
Further specify the particular content that uses this trapezoidal sliding ring type combined seal ring most preferred embodiment below in conjunction with accompanying drawing:
1. a trapezoidal sliding ring type combined seal ring comprises: trapezoidal seal ring 1, O shape rubber ring 2; It is characterized in that: the right sealing surface of trapezoidal seal ring is provided with triangular groove 101, and the following labial surface of trapezoidal seal ring is provided with circular groove 102; Described trapezoidal seal ring 1 is made by teflon; Described O shape rubber ring 2 is made by nitrile butadiene rubber, and its sectional shape is circular.
3. with after this combined seal ring installation, the right of trapezoidal seal ring 1 is provided with triangular groove 101, store lubricant oil during use in the triangular groove 101 and play the lubrication and seal effect, the thin lip in the lower end of trapezoidal seal ring 1 is provided with circular groove 102, O shape rubber ring 2 places circular groove 102, O shape rubber ring 2 has pre compressed magnitude with circular groove 102 after installing, trapezoidal seal ring 1 tightly is fitted in by the surface of Sealing, faying surface has the lubricated effect of leaking and playing sealing of not having, increase along with the sealing directional pressure, the power of holding tightly of sealing is more big, the applying on sealed surface is more tight, be that more high leak tightness is more good for pressure, O shape rubber ring 2 by 102 liang of side bumpers of the circular groove of trapezoidal seal ring 1, thereby can " do not extruded ", can tolerate the pressure of 300Mpa, after trapezoidal seal ring 1 long-term work of high abrasion forms wearing and tearing, the elastic force that O shape rubber ring 2 provides can make trapezoidal seal ring 1 produce enough distortion with the compensate for wear amount, so trapezoidal combined seal ring has the function of automatic compensation, improved the operating life of trapezoidal combined seal ring greatly.
Claims (3)
1. a trapezoidal sliding ring type combined seal ring comprises: trapezoidal seal ring (1), O shape rubber ring (2); It is characterized in that: the right sealing surface of trapezoidal seal ring is provided with triangular groove (101), and the following labial surface of trapezoidal seal ring is provided with circular groove (102).
2. a kind of trapezoidal sliding ring type combined seal ring according to claim 1, it is characterized in that: described trapezoidal seal ring is made by teflon.
3. a kind of trapezoidal sliding ring type combined seal ring according to claim 1, it is characterized in that: described O shape rubber ring is made by nitrile butadiene rubber, its cross section be shaped as circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202280370U CN203189734U (en) | 2013-05-01 | 2013-05-01 | Trapezoid slip ring type combined seal ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202280370U CN203189734U (en) | 2013-05-01 | 2013-05-01 | Trapezoid slip ring type combined seal ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203189734U true CN203189734U (en) | 2013-09-11 |
Family
ID=49106595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202280370U Expired - Fee Related CN203189734U (en) | 2013-05-01 | 2013-05-01 | Trapezoid slip ring type combined seal ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203189734U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104405868A (en) * | 2014-10-31 | 2015-03-11 | 无锡市威海达机械制造有限公司 | Ultrahigh pressure vessel for cold isostatic pressing equipment |
| CN108799497A (en) * | 2017-04-28 | 2018-11-13 | 凯氟隆（厦门）密封件有限公司 | It is a kind of to be applicable in the sealing ring containing granule medium |
| CN113653865A (en) * | 2021-08-31 | 2021-11-16 | 昆明理工大学 | Underground pipe network pipeline connection sealing device and method |
-
2013
- 2013-05-01 CN CN2013202280370U patent/CN203189734U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104405868A (en) * | 2014-10-31 | 2015-03-11 | 无锡市威海达机械制造有限公司 | Ultrahigh pressure vessel for cold isostatic pressing equipment |
| CN108799497A (en) * | 2017-04-28 | 2018-11-13 | 凯氟隆（厦门）密封件有限公司 | It is a kind of to be applicable in the sealing ring containing granule medium |
| CN113653865A (en) * | 2021-08-31 | 2021-11-16 | 昆明理工大学 | Underground pipe network pipeline connection sealing device and method |
| CN113653865B (en) * | 2021-08-31 | 2022-05-06 | 昆明理工大学 | Underground pipe network pipeline connection sealing device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130911 Termination date: 20140501 |