CN203082235U - High-performance sealing eccentric butterfly valve - Google Patents
High-performance sealing eccentric butterfly valve Download PDFInfo
- Publication number
- CN203082235U CN203082235U CN 201320039857 CN201320039857U CN203082235U CN 203082235 U CN203082235 U CN 203082235U CN 201320039857 CN201320039857 CN 201320039857 CN 201320039857 U CN201320039857 U CN 201320039857U CN 203082235 U CN203082235 U CN 203082235U
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- CN
- China
- Prior art keywords
- valve
- seal ring
- valve body
- sealing
- butterfly
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model discloses a high-performance sealing eccentric butterfly valve comprising a worm wheel, a pressing cover, a valve rod, sealing baffles, a butterfly plate, a valve body and an end cover. The pressing cover and the end cover are fixed on the valve body through screws, and the sealing baffles are respectively fixed on the valve body through screws. The eccentric butterfly valve further comprises a seal ring. The seal ring is placed among the sealing baffle, the valve body and the butterfly plate. The section of the seal ring is U-shaped and provided with a U-shaped groove, an H type metal spring ring is arranged at the bottom of the U-shaped groove, and a clamping sleeve is arranged on an opening portion of the U-shaped groove. The high-performance sealing eccentric butterfly valve improves sealing performance between the seal ring and the butterfly plate, reduces abrasion between the sealing ring and the butterfly plate, and meanwhile reduces valve switch torque.
Description
Technical field
The utility model relates to a kind of eccentric-butterfly-valve, particularly a kind of high-performance seal eccentric butterfly valve.
Background technique
Eccentric-butterfly-valve is divided into single eccentric-butterfly-valve, double eccentric butterfly valve, three eccentric butterfly valve, change eccentric-butterfly-valve.Relative with concentric butterfly valve.
The valve rod axle center is departed from video disc center and body center simultaneously, and sealing pair is that the butterfly valve of oblique vertebra becomes eccentric-butterfly-valve.
Tradition eccentric-butterfly-valve seal ring mainly has elastic material by rubber or plastics etc. to be made, and makes seal ring and butterfly plate realize sealing by sealed baffle locking; This design can make eccentric-butterfly-valve produce than galling and increase switching torque on off state butterfly plate and seal ring; Stopping at the closed condition lower seal as long-time butterfly plate is subjected to compressing of butterfly plate and is out of shape; Back and forth use seal ring elasticity to can not get effective compensation, wearing and tearing increase, and different pressures lower seal effect is very undesirable bearing, and influences the working life of seal ring.
The model utility content
The technical problems to be solved in the utility model provide a kind ofly have that automatic compensation effect, switching torque are little, a kind of high-performance seal eccentric butterfly valve of good sealing effect and long service life.
For achieving the above object, the technical solution of the utility model is as follows:
A kind of high-performance seal eccentric butterfly valve, comprise turbine, gland, valve rod, sealing baffle, dish plate, valve body and end cap, on valve body, on valve body, described sealing baffle is separately fixed on the valve body by screw described end cap described gland by screw by screw; Described eccentric-butterfly-valve also comprises seal ring, and described seal ring is placed between sealing baffle, valve body and the dish plate three; Described seal ring cross section is the U type, and described seal ring is provided with U type groove, and the bottom of described U type groove is provided with H type metal spring circle, and the opening portion of U type groove is provided with chuck.
In an embodiment of the present utility model, dismountable being placed in the U type groove of described H type metal spring circle.
By technique scheme, the beneficial effects of the utility model are:
The utility model is presented to the metal spring circle of flexible compensation effect in the seal ring, and it makes seal ring bearing effectively sealing under the different pressures, realizes two way sealed, and the big more sealability of pressure is good more; And having reduced the wearing and tearing of valve switch moment of torsion and compensation sealing circle, the protection seal ring is not damaged, and prolongs its working life.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiments more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the utility model structural representation;
Fig. 2 is the utility model seal ring scheme of installation.
Numeral and the represented corresponding part title of letter among the figure:
10, turbine 20, gland 30, valve rod 40, sealing baffle 50, dish plate 60, valve body 70, end cap 80, seal ring 81, U type groove 82, H type metal spring circle 83, chuck.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
Referring to illustrated in figures 1 and 2, a kind of high-performance seal eccentric of the utility model butterfly valve comprises turbine 10, gland 20, valve rod 30, sealing baffle 40, dish plate 50, valve body 60 and end cap 70, the utility model gland 20 by screw on valve body 60, on valve body 60, sealing baffle 40 is separately fixed on the valve body 60 by screw end cap 70 by screw; Eccentric-butterfly-valve also comprises a seal ring 80, and seal ring 80 is placed between sealing baffle 40, valve body 60 and dish plate 50 threes; Seal ring 80 cross sections are the U type, are provided with U type groove 81 on seal ring 80, and the bottom of this U type groove 81 is provided with H type metal spring circle 82, and the opening portion of U type groove 81 is provided with chuck 83.
The utility model H type metal spring circle 82 dismountable being placed in the U type groove 81, it is convenient to installation and removal.
Between the utility model seal ring 80 and dish plate 50 surface of contact is tangential motion, and it effectively improves the sealing between seal ring 80 and the butterfly plate 50, reduces the wearing and tearing between seal ring 80 and the butterfly plate 50, also reduces the valve switch moment of torsion simultaneously.
More than show and described basic principle of the present utility model and major character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (2)
1. high-performance seal eccentric butterfly valve, comprise turbine, gland, valve rod, sealing baffle, dish plate, valve body and end cap, on valve body, on valve body, described sealing baffle is separately fixed on the valve body by screw described end cap described gland by screw by screw; It is characterized in that: described eccentric-butterfly-valve also comprises seal ring, and described seal ring is placed between sealing baffle, valve body and the dish plate three; Described seal ring cross section is the U type, and described seal ring is provided with U type groove, and the bottom of described U type groove is provided with H type metal spring circle, and the opening portion of U type groove is provided with chuck.
2. a kind of high-performance seal eccentric butterfly valve according to claim 1 is characterized in that: in the dismountable U of the being placed in type of the described H type metal spring circle groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320039857 CN203082235U (en) | 2013-01-24 | 2013-01-24 | High-performance sealing eccentric butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320039857 CN203082235U (en) | 2013-01-24 | 2013-01-24 | High-performance sealing eccentric butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203082235U true CN203082235U (en) | 2013-07-24 |
Family
ID=48828075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320039857 Expired - Lifetime CN203082235U (en) | 2013-01-24 | 2013-01-24 | High-performance sealing eccentric butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203082235U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103591307A (en) * | 2013-11-18 | 2014-02-19 | 交城县鑫升机械有限公司 | Triple eccentric metal hard sealing butterfly valve |
-
2013
- 2013-01-24 CN CN 201320039857 patent/CN203082235U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103591307A (en) * | 2013-11-18 | 2014-02-19 | 交城县鑫升机械有限公司 | Triple eccentric metal hard sealing butterfly valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130724 |