CN103591311A - Butterfly valve with spring locking type structure - Google Patents
Butterfly valve with spring locking type structure Download PDFInfo
- Publication number
- CN103591311A CN103591311A CN201310591463.5A CN201310591463A CN103591311A CN 103591311 A CN103591311 A CN 103591311A CN 201310591463 A CN201310591463 A CN 201310591463A CN 103591311 A CN103591311 A CN 103591311A
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- CN
- China
- Prior art keywords
- valve
- spring
- valve body
- gland
- ring
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- 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.)
- Pending
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
- F16K1/226—Shaping or arrangements of the sealing
- F16K1/2263—Shaping or arrangements of the sealing the sealing being arranged on the valve seat
- F16K1/2266—Shaping or arrangements of the sealing the sealing being arranged on the valve seat and being forced into sealing contact with the valve member by a spring or a spring-like member
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
Abstract
The invention provides a butterfly valve with a spring locking type structure. The butterfly valve comprises a valve body, a valve rod, a valve plate, a valve base, an O ring, a gland, a spring, a seal ring and a pressing ring. A position clamping groove is formed in the position, dead against the edge of the valve plate, when the butterfly valve is in the closed state, of the inner wall of the valve body, and the position clamping groove surrounds a through hole in the valve body. The gland is arranged on the outer side of the position clamping groove, the spring is arranged on the inner side of the gland, the position clamping groove is matched with the spring to fix the valve base, and the valve base can slide by a short distance between the position clamping groove and the spring in the flowing direction of media. The O ring is arranged between the valve base and the valve body. By the adoption of the technical scheme, seal performance can be guaranteed when the valve bears pressure in the forward direction and the backward direction, the valve can bear high pressure, due to the installation position of the spring, the larger the elastic force of the spring in a compressed state is, the better the seal performance of the valve is, and the problem that a thin spring is used and prone to being ineffective is avoided.
Description
Technical field
The invention relates to a kind of butterfly valve, especially a kind of butterfly valve with spring latch compact form structure.
Background technique
Valve industry development now, increasing client needs the positive and negative bidirectional bearing of valve.Original butterfly valve fixing seal ring type sealing surface structure cannot meet the requirement of reverse pressure-bearing.The invention has spring latch compact form sealing configuration, can meet bidirectional bearing.
Application number is to have introduced a kind of floating seat two-way hard seal butterfly valve in 201120282845.6 document, spring fitting in this butterfly valve is on the valve body of valve seat inside, when this spring need meet reverse pressure-bearing spring force much smaller than medium the pressure to valve seat, this just makes this spring comparatively speaking thinner, spring easily lost efficacy, and the latus rectum of the valve body that the position of spring is also simultaneously diminishes.
Summary of the invention
The problem that the invention will solve is to provide a kind of spring fitting at the butterfly valve with spring latch compact form structure of gland inner side.
For solving the problems of the technologies described above, the technological scheme that the invention adopts is: a kind of butterfly valve with spring latch compact form structure, comprises valve body, valve rod, valve plate, valve seat, O type circle, gland, spring, seal ring and pressure ring;
Described valve rod runs through and is rotatably mounted on the sidewall of described valve body, and described valve plate is fixed on described valve rod, and drives it at described valve inner, to rotate by valve rod;
Described seal ring is fixed the edge at described valve plate by described pressure ring;
On the inwall of described valve body, be provided with a screens groove around valve hole with described butterfly valve just relative position, valve plate edge when the closed state, the outside of described screens groove is provided with a gland, the inner side of this gland is provided with a spring, described screens groove and described spring are fixed described valve seat, and this valve seat can be along media flow direction slip small distance between screens groove and spring;
Between described valve seat and described valve body, be provided with O type circle.
As preferably, described valve plate is outside away from a side of described valve rod, and this valve plate outer side surface edge is provided with a groove, and described seal ring is set in this groove, outsidely by described pressure ring, is fixed.
As preferably, described seal ring is multi-layer sealing ring.
Advantage and good effect that the invention has are: adopt technique scheme, make valve all can guarantee sealability when forward pressure-bearing and reverse pressure-bearing, can bear elevated pressures, the mounting point of spring makes the spring force of compressive state larger simultaneously, the sealing of valve is better, has avoided using the problem easily losing efficacy compared with hairspring.
Accompanying drawing explanation
Fig. 1 is the structural representation with the butterfly valve of spring latch compact form structure;
The working state of butterfly valve when Fig. 2 is medium forward flow;
The working state of butterfly valve when Fig. 3 is medium reverse flow.
In figure: 1, valve body 2, valve rod 3, valve plate 4, valve seat 5, O type circle 6, gland 7, spring 8, multi-layer sealing ring 9, pressure ring
Embodiment
Below with reference to the accompanying drawings and specific embodiment the invention is made to detailed description.
As shown in Figure 1, the invention comprises valve body 1, valve rod 2, valve plate 3, valve seat 4, O type circle 5, gland 6, spring 7, multi-layer sealing ring 8 and pressure ring 9.
Valve rod 2 runs through and is rotatably mounted on the sidewall of valve body 1, and valve plate 3 is fixed on valve rod 2, and drives it in valve body 1 inner rotation by valve rod 2.
On the inwall of valve body 1, be provided with a screens groove around valve body 1 through hole with butterfly valve just relative position, valve plate 3 edges when the closed state, the outside of screens groove is provided with a gland 6, the inner side of this gland 6 is provided with a spring 7, screens groove and spring 7 are fixed valve seat 4, and this valve seat 4 can be along media flow direction slip small distance between screens groove and spring 7.
Between valve seat 4 and valve body 1, be provided with O type circle 5, prevent the leakage of medium.
As shown in Figure 2, when medium forward flow, the left surface of medium extruding valve plate 3 and valve seat 4,7 pairs of these valve seats 4 of Compress Spring that are at this moment positioned at valve seat 4 right sides apply an elastic force left, make the bottom surface of valve seat 4 push multi-layer sealing ring 8 left, reach good sealing effect.
As shown in Figure 3, when medium reverse flow, the right flank of medium extruding valve plate 3 and valve seat 4,7 pairs of these valve seats 4 of Compress Spring that are simultaneously positioned at valve seat 3 apply an elastic force left, that this valve seat 4 slides left until be close to the left surface of valve body 1 screens groove, at this moment valve seat 4 produces enough seal pressures with multi-layer sealing ring 8, has good sealing effect.
Above the embodiment of the invention is had been described in detail, but described content is only the preferred embodiment of the invention, can not be considered to for limiting practical range of the present invention.All equalization variations of doing according to the invention scope and improvement etc., within all should still belonging to this patent covering scope.
Claims (3)
1. a butterfly valve with spring latch compact form structure, is characterized in that: comprise valve body (1), valve rod (2), valve plate (3), valve seat (4), O type circle (5), gland (6), spring (7), seal ring and pressure ring (9);
Described valve rod (2) runs through and is rotatably mounted on the sidewall of described valve body (1), and it is upper that described valve plate (3) is fixed on described valve rod (2), and drive it in described valve body (1) inner rotation by valve rod (2);
Described seal ring is fixed the edge in described valve plate (3) by described pressure ring (9);
On the inwall of described valve body (1), be provided with a screens groove around valve body (1) through hole with described butterfly valve just relative position, valve plate (3) edge when the closed state, the outside of described screens groove is provided with a gland (6), the inner side of this gland (6) is provided with a spring (7), described screens groove and described spring (7) are fixed described valve seat (4), and this valve seat (4) can be along media flow direction slip small distance between screens groove and spring (7);
Between described valve seat (4) and described valve body (1), be provided with O type circle (5).
2. the butterfly valve with spring latch compact form structure according to claim 1, it is characterized in that: described valve plate (3) is outside away from a side of described valve rod (2), this valve plate (3) outer side surface edge is provided with a groove, described seal ring is set in this groove, outside fixing by described pressure ring (9).
3. the butterfly valve with spring latch compact form structure according to claim 1, is characterized in that: described seal ring is multi-layer sealing ring (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310591463.5A CN103591311A (en) | 2013-11-20 | 2013-11-20 | Butterfly valve with spring locking type structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310591463.5A CN103591311A (en) | 2013-11-20 | 2013-11-20 | Butterfly valve with spring locking type structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103591311A true CN103591311A (en) | 2014-02-19 |
Family
ID=50081556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310591463.5A Pending CN103591311A (en) | 2013-11-20 | 2013-11-20 | Butterfly valve with spring locking type structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103591311A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104482228A (en) * | 2014-12-11 | 2015-04-01 | 天津国际机械有限公司 | Bidirectional metal seal hydraulic control butterfly valve |
| CN109442112A (en) * | 2018-12-27 | 2019-03-08 | 连云港振兴集团石化设备制造有限公司 | A kind of aluminum material rotary joint |
| CN112984132A (en) * | 2021-04-15 | 2021-06-18 | 刘帆 | Butterfly valve with high tightness and use method thereof |
-
2013
- 2013-11-20 CN CN201310591463.5A patent/CN103591311A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104482228A (en) * | 2014-12-11 | 2015-04-01 | 天津国际机械有限公司 | Bidirectional metal seal hydraulic control butterfly valve |
| CN109442112A (en) * | 2018-12-27 | 2019-03-08 | 连云港振兴集团石化设备制造有限公司 | A kind of aluminum material rotary joint |
| CN109442112B (en) * | 2018-12-27 | 2024-04-05 | 河南利旺流体技术有限公司 | Steel-aluminum composite material rotary joint |
| CN112984132A (en) * | 2021-04-15 | 2021-06-18 | 刘帆 | Butterfly valve with high tightness and use method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140219 |
|
| WD01 | Invention patent application deemed withdrawn after publication |