CN108105414A - It can the freeze proof ball valve of on-line maintenance - Google Patents
It can the freeze proof ball valve of on-line maintenance Download PDFInfo
- Publication number
- CN108105414A CN108105414A CN201810000318.8A CN201810000318A CN108105414A CN 108105414 A CN108105414 A CN 108105414A CN 201810000318 A CN201810000318 A CN 201810000318A CN 108105414 A CN108105414 A CN 108105414A
- Authority
- CN
- China
- Prior art keywords
- valve
- sealing
- locating piece
- line maintenance
- ball valve
- 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.)
- Pending
Links
Classifications
-
- 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
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
- F16K5/0626—Easy mounting or dismounting means
- F16K5/0636—Easy mounting or dismounting means the spherical plug being insertable from the top of the housing
-
- 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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/06—Construction of housing; Use of materials therefor of taps or cocks
- F16K27/067—Construction of housing; Use of materials therefor of taps or cocks with spherical plugs
-
- 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
- F16K41/00—Spindle sealings
- F16K41/02—Spindle sealings with stuffing-box ; Sealing rings
- F16K41/04—Spindle sealings with stuffing-box ; Sealing rings with at least one ring of rubber or like material between spindle and housing
-
- 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
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
- F16K5/0663—Packings
- F16K5/0689—Packings between housing and plug
-
- 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
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
- F16K5/0663—Packings
- F16K5/0694—Spindle sealings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Valve Housings (AREA)
- Taps Or Cocks (AREA)
Abstract
The present invention relates to it is a kind of can on-line maintenance ball valve.It can the freeze proof ball valve of on-line maintenance, including a valve body, valve body intermediate portion is equipped with the circular cylindrical cavity that a upper end opens, it is stamped a valve deck in valve body upper end, further include a valve ball, its inner wall of the circular cylindrical cavity of valve body is arc-shaped, and two symmetrical sealing locating pieces wrap ball valve, and realize gluing, sealing with inner wall；It is in " ［ ］ " font after described two symmetrical sealing locating piece fittings, position portion clamps valve rod thereon, and lower position portion and the locating slot of circular cylindrical cavity lower part coordinate；Concave arc shape is internally provided in sealing locating piece, center section is one arc-shaped, is coordinated with valve interior wall.The ball valve on-line maintenance of the present invention is simple, simple for structure, component is few, and installation positioning is accurate, and sealing is safe, and it is big to seal locating piece volume accounting, has antifreezing function, at low cost, has preferable market popularization value.
Description
Technical field
The present invention relates to it is a kind of can on-line maintenance ball valve, especially suitable for low temperature environment.
Background technology
Existing ball-valve structure is such as notification number CN 104006213A《A kind of ball valve of valve ball with helical silencing function》,
Valve body and bonnet including band connection screw thread, valve body and bonnet junction are coaxial with connection screw thread, when valve switch fails, obtain
Both ends connection screw thread and pipeline, which are dismantled, could safeguard replacement, if rigid tubing is connected with valve or small space, dismounting is tired
Difficulty, maintenance difficulties are big.
Certainly also there is the ball valve of on-line maintenance in the market, such as notification number CN 103925388A《Can on-line maintenance it is upper
Dress formula floating ball valve》, valve ball sealing fit portion part is more in ball valve, including outer holder 5, interior clamper 6, sealing ring 7, O shapes
Circle 8, thrust pad 9 etc.；And notification number CN 1884880A《Upper assembled electric ball valve》, valve ball sealing fit portion in ball valve
Part also includes multiple components of the symmetric designs such as the different in nature ball face sealing circle 4 of spool 3, silicon rubber elastic sealing ring 5.On-line maintenance
Ball valve is mainly characterized by the components such as valve ball can take out from top, and realize that replacement is packed into, the connection without influencing both ends.
The ball valve sealing component of similar CN 104006213A only has sealing ring 4, and why upper-mounting type ball valve needs so
, which is because, the face of sealing ring 4 and valve body cooperation is plane, upper-mounting type ball valve needs more for more seal member combinations
Component realize plane, then realize the sealing with valve ball；Second, the difference of assemble sequence, after sealing ring 4 installs, valve ball
If can be packed into from above, because part dimension reason also limits its loading；The third is the positioning complexity of component is, it is necessary to more components
It realizes and is oriented to and positions.
But ball valve, to seal duct products as the main purpose, more if the component for realizing sealing, the difficulty of assembling is got over
Greatly, the possibility of leakage is also bigger, and opposite manufacture is of high cost.
The content of the invention
The present invention provides that a kind of component is few, and installation positions simple on-line maintenance valve for problem of the prior art；
In addition, the sealing locating piece of the present invention takes up space greatly in valve body cavity body so that the features such as valve ball anti-freezing property height, present invention production
Product are safe, it is at low cost, there is the market competitiveness.
To achieve the above object, the present invention uses following technical scheme：
Can the freeze proof ball valve of on-line maintenance, including a valve body, valve body intermediate portion is equipped with the circular cylindrical cavity that a upper end opens, and has
Discharge orifice passes through circular cylindrical cavity, and a valve deck is stamped in valve body upper end, and valve deck top is equipped with valve rod hole, further includes a valve ball, valve body
Circular cylindrical cavity its inner wall be arc-shaped, two symmetrical sealing locating pieces wrap ball valve, and are bonded with inner wall realization close
Envelope；It is in " ［ ］ " font after described two symmetrical sealing locating piece fittings, position portion clamps valve rod, lower position portion thereon
Coordinate with the locating slot of circular cylindrical cavity lower part；Concave arc shape is internally provided in sealing locating piece, center section is a circular arc
Shape coordinates with valve interior wall.
Technical solution of the present invention can be with：
The upper position portion of the sealing locating piece is equipped with positioning plane, coordinates with the interior convex block of valve deck.
The center section of the sealing locating piece is equipped with arc convex hole, and arc convex hole internal diameter is more than discharge orifice.
The center section of the sealing locating piece is equipped with arc convex hole, and arc convex hole internal diameter is more than discharge orifice.
The sealing locating piece is rubber material, and the volume of two pieces of sealing locating pieces accounts for circular cylindrical cavity volume and subtracts valve
More than 25% after sphere volume.
The ball valve on-line maintenance of the present invention is simple, directly can replace integral sealing component from top, and valve part is few, installation
Positioning is accurate, and leakproofness is high, and sealing locating piece volume accounting is big, can offset the expansive force of frost belt, has antifreezing function, this
The structure of product has the market competitiveness.
Description of the drawings
Fig. 1, ball valve exploded perspective schematic diagram of the present invention；
Fig. 2, ball valve assembled formation schematic diagram of the present invention；
Fig. 3, hermetic unit stereoscopic schematic diagram of the present invention；
Fig. 4, valve body stereoscopic schematic diagram of the present invention；
Fig. 5, valve deck stereoscopic schematic diagram of the present invention.
Specific embodiment
With reference to preferred embodiment, the present invention will be further described.
As shown in Figure 1 to Figure 3, can the freeze proof ball valve of on-line maintenance, including a valve body 1,1 center section of valve body is equipped with a upper end
A valve deck 2 is stamped in open circular cylindrical cavity 10, and have discharge orifice 11 through circular cylindrical cavity 10,1 upper end of valve body, on valve deck 2
Portion is equipped with valve rod hole 20, further includes a valve ball 3, its inner wall 12 of the circular cylindrical cavity 10 of valve body 1 is arc-shaped, and two symmetrical close
Envelope locating piece 4 wraps ball valve 3, and realizes gluing, sealing with inner wall 12；It is in after described two symmetrical sealing locating pieces 4 fittings
One " ［ ］ " font, thereon position portion 40 clamp valve rod 5, lower position portion 41 and the locating slot 13 of 10 lower part of circular cylindrical cavity are matched somebody with somebody
It closes；Concave arc shape 42 is internally provided in sealing locating piece 4, center section 44 is one arc-shaped, is coordinated with 1 inner wall 12 of valve body.
Ball valves different from the ball valve of traditional valve body, bonnet structure, of the invention to form a cylinder because the upper end opens
Shape cavity 10, and circular cylindrical cavity 10 is in downward direction, the cavity of no outer diameter bigger so that there are valve ball 3 and sealing locating piece 4 etc.
The seal assembly of composition is put into simply, and when being put into, symmetrical to seal locating piece 4 and wrap valve ball 3 and smoothly assemble.This hair
Express in intention, discharge orifice 11 is two holes on a unified axle center, and through circular cylindrical cavity 10, discharge orifice 11 can be horizontal
Two vertical holes or more than two holes.
Valve ball 3 and the valve rod 5 of the present invention is integral structure, and there is no the phenomenon that separation during installation, structure is more stablized, by
When sealing the clamping of locating piece 4, integral structure can adjust the positioning of valve ball discharge orifice 30, but also valve ball 3 does not generate installation partially
It moves.This structure is more reasonable compared with valve ball, the stem structure of prior art split.
The inner wall 12 of circular cylindrical cavity 10 is arc-shaped, which is that machining characteristics determine, traditional ball valve is flowing
11 position of water hole is a planar structure, as shown in the background technique.The cooperation of planar structure seal member is simple, in processing and valve body
Cooperation only needs to carry out flatness, and arc-shaped inner wall 12, the sealing element and is also required to make corresponding arc-shaped, processing
Difficulty is big, and poor universality.And if in this configuration, to inner wall 12 processing in plane, it is necessary to use in processing more than three axis
The heart, processing efficiency is low, and processing cost is realized in several times of promotions and produces market competition force difference in enormous quantities.
And the present invention will sealing locating piece 4 be designed to rubber material, can realize it is hot-forming, formation machine be difficult to be molded
Arc structure, realize and the cooperation of inner wall 12.
The concave arc shape 42 of this sealing locating piece 4 can be realized to be bonded with 3 outside of valve ball, can realize the sealing of larger area,
It places into circular cylindrical cavity 10, the extruding of valve deck 2 is subject to push, realizes certain decrement.42 structure of both sides concave arc shape
The positioning of favourable valve ball 3.
In Fig. 3, two symmetrical sealing locating pieces 4 wrap ball valve 3, are in " ［ ］ " font after fitting, thereon positioning region
40 are divided to clamp valve rod 5, valve rod 5 and the /V for being subject to 2 upper valve rod aperture 20 of valve deck so that symmetrical 4 left and right sides of sealing locating piece
Position positions, and suffered decrement is consistent, prevents from occurring during ball valve compression seal locating piece 4 that one side decrement is big, presses on one side
Contracting amount is small and causes the possibility of leakage.
To further improve the sealing effect of sealing locating piece 4 and valve body 1, set in the center section 44 of sealing locating piece 4
There is arc convex hole 45,45 internal diameter of arc convex hole is more than discharge orifice 11.This structure is in the small feelings of sealing 4 decrement of locating piece
Under condition, there is the presence of arc convex hole 45, can also realize sealing easily.45 structure of arc convex hole is protruded, to the big of compression stress
Small comparison is sensitive.
The circular cylindrical cavity 10 of the present invention and sealing locating piece 4, whole non-tapered configuration can also realize installation.
Positioning counts for much for the security reliability of seal assembly, and component staggers i.e. there may be leakage, this is also this
The experience that structure is drawn on the basis of existing technology.Design process sealing associated components are as far as possible few, avoid positioning generation of staggering
Problem.And the sealing locating piece 4 of integral type can greatly improve existing issue.
In terms of positioning, the present invention is also in the lower part of valve body 1, and Design Orientation slot 13, as shown in Figure 4, locating slot 13 is
One is equipped with the structure of valve body positioning plane 19, convenient for coordinating with the lower position portion 41 of sealing locating piece 4 patch, realizes direction positioning,
It prevents from rotating together when ball valve from rotating simultaneously.
As shown in figure 5, the inside coordinated with valve body 1 of valve deck 2, equipped with interior convex block 20, seals locating piece, 4 upper positioning
Part 40 is equipped with positioning plane 43, coordinates with the interior convex block 20 of valve deck 2, realizes positioning and prevents from rotating.
The symmetrical sealing locating piece 4 of two of the present invention wraps ball valve 3, in " ［ ］ " font after fitting, also has its meaning
Unimaginable effect：Because the volume of sealing locating piece 4 is huge compared with the prior art so that this valve has antifreezing effect.
The sealing locating piece 4 is rubber material, and the volume of two pieces of sealing locating pieces 4 accounts for 10 volume of circular cylindrical cavity and subtracts
Remove more than 25% after 3 volume of valve ball.When pipeline aqueous medium precooling is freezed, sealing locating piece 4 receives crimp, volume
It is shunk, reduces the possibility of valve body spalling.
The volume of two pieces of sealing locating pieces 4 is accounted for after 10 volume of circular cylindrical cavity subtracts 3 volume of valve ball in the present embodiment
40%, and traditional ball valve volume is between 5% to 12%, it is impossible to play the role of buffering freezing and expansion, in addition pass conventional ball valve
Sealing element mostly uses the polytetrafluoroethylene material of low decrement.
The ball valve on-line maintenance of the present invention is simple, directly can replace integral sealing component from top, valve mechanism is simple, portion
Part is few, and installation positioning is accurate, and sealing is safe, and sealing locating piece volume accounting is big, has antifreezing function, at low cost, has
Preferable market popularization value.
Claims (6)
1. can the freeze proof ball valve of on-line maintenance, including a valve body (1), valve body (1) center section is equipped with the cylinder that a upper end opens
A valve deck (2) is stamped in cavity (10), and have discharge orifice (11) through circular cylindrical cavity (10), valve body (1) upper end, on valve deck (2)
Portion is equipped with valve rod hole (20), further includes a valve ball (3), it is characterised in that：Circular cylindrical cavity (10) of valve body (1) its inner wall
(12) it is arc-shaped, two symmetrical sealing locating pieces (4) wrap ball valve (3), and realize gluing, sealing with inner wall (12)；
Described two symmetrical sealing locating pieces (4) are in " ［ ］ " font after being bonded, and position portion (40) clamps valve rod thereon
(5), lower position portion (41) and the locating slot (13) of circular cylindrical cavity (10) lower part coordinate；In the inside of sealing locating piece (4)
Equipped with concave arc shape (42), center section (44) are one arc-shaped, are coordinated with valve body (1) inner wall (12).
It 2. as described in claim 1 can the freeze proof ball valve of on-line maintenance, it is characterised in that：The sealing locating piece (4) it is upper
Position portion (40) is equipped with positioning plane (43), coordinates with the interior convex block (20) of valve deck (2).
It 3. as described in claim 1 can the freeze proof ball valve of on-line maintenance, it is characterised in that：In the sealing locating piece (4)
Between part (44) be equipped with arc convex hole (45), arc convex hole (45) internal diameter be more than discharge orifice (11).
It 4. as claimed in claim 2 can the freeze proof ball valve of on-line maintenance, it is characterised in that：In the sealing locating piece (4)
Between part (44) be equipped with arc convex hole (45), arc convex hole (45) internal diameter be more than discharge orifice (11).
5. as described in Claims 1-4 is any can the freeze proof ball valve of on-line maintenance, it is characterised in that：The sealing locating piece
(4) center section (44) is equipped with arc convex hole (45), and arc convex hole (45) internal diameter is more than discharge orifice (11).
6. as described in Claims 1-4 is any can the freeze proof ball valve of on-line maintenance, it is characterised in that：The sealing locating piece
(4) it is rubber material, the volumes of two pieces of sealing locating pieces (4) is accounted for after circular cylindrical cavity (10) volume subtracts valve ball (3) volume
More than 25%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810000318.8A CN108105414A (en) | 2018-01-01 | 2018-01-01 | It can the freeze proof ball valve of on-line maintenance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810000318.8A CN108105414A (en) | 2018-01-01 | 2018-01-01 | It can the freeze proof ball valve of on-line maintenance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108105414A true CN108105414A (en) | 2018-06-01 |
Family
ID=62218468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810000318.8A Pending CN108105414A (en) | 2018-01-01 | 2018-01-01 | It can the freeze proof ball valve of on-line maintenance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108105414A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109611574A (en) * | 2018-11-28 | 2019-04-12 | 谷向荣 | A kind of combination ball valve with adjusting pressure apparatus |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1577027A (en) * | 1967-08-28 | 1969-08-01 | ||
| US4147326A (en) * | 1975-07-03 | 1979-04-03 | International Telephone & Telegraph Corp. | Non-spherical ball valve |
| US4535970A (en) * | 1983-12-27 | 1985-08-20 | Quamco, Inc. | Top entry ball valve |
| DE4415284A1 (en) * | 1994-04-30 | 1995-11-02 | Pfannenschmidt Erhard | Ball=cock with seal between cock plug and housing |
| CN1141403A (en) * | 1995-02-16 | 1997-01-29 | 硅铁公司 | Adjustable ball valve |
| WO2005005872A1 (en) * | 2003-07-01 | 2005-01-20 | Fimcim S.R.L. | Easily serviced and repaired inspectable ball valve |
| CN102893067A (en) * | 2010-02-26 | 2013-01-23 | 株式会社富士金 | Ball valve |
-
2018
- 2018-01-01 CN CN201810000318.8A patent/CN108105414A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1577027A (en) * | 1967-08-28 | 1969-08-01 | ||
| US4147326A (en) * | 1975-07-03 | 1979-04-03 | International Telephone & Telegraph Corp. | Non-spherical ball valve |
| US4535970A (en) * | 1983-12-27 | 1985-08-20 | Quamco, Inc. | Top entry ball valve |
| DE4415284A1 (en) * | 1994-04-30 | 1995-11-02 | Pfannenschmidt Erhard | Ball=cock with seal between cock plug and housing |
| CN1141403A (en) * | 1995-02-16 | 1997-01-29 | 硅铁公司 | Adjustable ball valve |
| WO2005005872A1 (en) * | 2003-07-01 | 2005-01-20 | Fimcim S.R.L. | Easily serviced and repaired inspectable ball valve |
| CN102893067A (en) * | 2010-02-26 | 2013-01-23 | 株式会社富士金 | Ball valve |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109611574A (en) * | 2018-11-28 | 2019-04-12 | 谷向荣 | A kind of combination ball valve with adjusting pressure apparatus |
| CN109611574B (en) * | 2018-11-28 | 2019-12-10 | 江苏海达船用阀业有限公司 | Composite ball valve with pressure regulating device |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180601 |