CN110285230A - A kind of high safety die forging ball valve - Google Patents
A kind of high safety die forging ball valve Download PDFInfo
- Publication number
- CN110285230A CN110285230A CN201910651446.3A CN201910651446A CN110285230A CN 110285230 A CN110285230 A CN 110285230A CN 201910651446 A CN201910651446 A CN 201910651446A CN 110285230 A CN110285230 A CN 110285230A
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- Prior art keywords
- valve
- ball
- deck
- high safety
- die forging
- Prior art date
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- 238000005242 forging Methods 0.000 title claims abstract description 18
- 238000007789 sealing Methods 0.000 claims description 42
- 239000002184 metal Substances 0.000 claims description 28
- 229910052751 metal Inorganic materials 0.000 claims description 28
- 210000004907 gland Anatomy 0.000 claims description 8
- 239000000956 alloy Substances 0.000 claims description 4
- 229910045601 alloy Inorganic materials 0.000 claims description 4
- 239000000565 sealant Substances 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 238000013461 design Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000036316 preload Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 201000001371 inclusion conjunctivitis Diseases 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 206010044325 trachoma Diseases 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
- 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
- F16K5/0605—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 with particular plug arrangements, e.g. particular shape or built-in means
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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
- 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
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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
- 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
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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
- 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
- F16K5/08—Details
-
- 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
- F16K5/08—Details
- F16K5/14—Special arrangements for separating the sealing faces or for pressing them together
- F16K5/20—Special arrangements for separating the sealing faces or for pressing them together for plugs with spherical surfaces
- F16K5/201—Special arrangements for separating the sealing faces or for pressing them together for plugs with spherical surfaces with the housing or parts of the housing mechanically pressing the seal against the plug
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Taps Or Cocks (AREA)
Abstract
The invention discloses a kind of high safety die forging ball valves, including valve body, valve body valve chamber upper end is provided with valve ball loading port, valve ball is provided in valve chamber, valve ball left end is provided with the first incline configuration formula valve seat, valve ball right end is provided with the second incline configuration formula valve seat, valve ball upper end is provided with positioning convex platform, a positioning groove is vertically provided in the middle part of positioning convex platform, one piece of sliding block is provided on positioning convex platform, one piece of locating convex block has been wholely set on the lower end surface of sliding block, locating convex block is inserted into positioning groove, a spring groove is vertically provided in the middle part of the upper surface of sliding block, spring groove built-in type is provided with spring assembly, valve rod is provided with right above spring assembly, valve deck is arranged on valve rod.Above-mentioned technical proposal, reasonable in design, structure is simple, be not easy to leak, good seal performance, valve rod be not flexible or deformation, valve opening and closing torque are small, easy to maintain, long service life, the operation is stable and practicability are good.
Description
Technical field
The present invention relates to valve technology fields, and in particular to a kind of high safety die forging ball valve.
Background technique
Floating ball valve is a kind of fluid control product having a large capacity and a wide range, and is widely used in various pipe-line systems.But it is existing
Ball valve be largely made by two-piece type casting or forging, there are leakage points more, casting flaw stomata or trachoma are mostly and valve
Seat pre-tightens more not easy to control than pressure；And existing ball for ball valve can be pushed to outlet side under fluid media (medium) effect, to stem bottom
Generate motive force, be easy to make valve rod bending deformation, cause opening and closing difficult when serious, valve opening and closing torque it is excessive to service life and
Sealing performance has an adverse effect, and causes job insecurity, and service life is short, needs to be regularly maintained, but attended operation is difficult, makes
With inconvenience, the practicability is poor.
Summary of the invention
In view of the deficiencies of the prior art, the present invention intends to provide it is a kind of it is reasonable in design, structure is simple,
It is not easy to leak, good seal performance, valve rod be not flexible or deformation, valve opening and closing torque are small, easy to maintain, long service life, work
Make the high safety die forging ball valve stablized and practicability is good.
To achieve the above object, the present invention provides the following technical scheme that a kind of high safety die forging ball valve, including valve body,
Valve chamber is provided in the valve body, the valve chamber upper end is provided with valve ball loading port, and valve ball, the valve are provided in the valve chamber
Ball left end is provided with the first incline configuration formula valve seat, and valve ball right end is provided with the second incline configuration formula valve seat, the valve ball upper end
It is provided with positioning convex platform, a positioning groove is vertically provided in the middle part of the positioning convex platform, is provided with one on the positioning convex platform
Block sliding block, has been wholely set one piece of locating convex block on the lower end surface of the sliding block, in the locating convex block insertion positioning groove, institute
It states and is vertically provided with a spring groove in the middle part of the upper surface of sliding block, the spring groove built-in type is provided with spring assembly,
It is provided with valve rod right above the spring assembly, and valve rod lower end is pressed on spring assembly upper end；Valve is arranged on the valve rod
Lid, the valve deck are detachably connected with valve body；The valve rod lower end is provided with valve rod external thread part, is provided in the middle part of the valve deck
Valve rod hole, valve rod hole lower end, which is provided with, passes through valve deck with the matched valve deck internal thread part of the valve rod external thread part, the valve deck
Internal thread part is threadedly coupled with valve rod external thread part.
The present invention is further arranged to: the valve body is integrated into, and the inner wall of the valve chamber is inclined-plane, institute
Valve chamber size is stated to be gradually reduced from top to bottom.
The present invention is further arranged to: the first incline configuration valve seat includes the first metal bracing ring, the first valve seat
Sealing ring and the first valve ball sealing ring, the first metal bracing ring, the first valve seat insert and the connection of the first valve ball sealing ring
It is integrally formed structure, the first metal bracing ring, which passes through, constitutes sealing, the first gold medal between the first valve seat insert and valve chamber inner wall
Belong to bracing ring and passes through composition sealing between the first valve ball sealing ring and valve ball outer surface.
The present invention is further arranged to: the second incline configuration valve seat includes the second metal bracing ring, the second valve seat
Sealing ring and the second valve ball sealing ring, the second metal bracing ring, the second valve seat insert and the connection of the second valve ball sealing ring
It is integrally formed structure, the second metal bracing ring, which passes through, constitutes sealing, the second gold medal between the second valve seat insert and valve chamber inner wall
Belong to bracing ring and passes through composition sealing between the second valve ball sealing ring and valve ball outer surface.
The present invention is further arranged to: being disposed with O-ring seal, airtight and watertight padding in the valve rod hole from bottom to up
And gland, the gland upper end are provided with dished spring assembly, the dished spring assembly upper end is provided with positioning pressuring plate, described
Fixation is bolted in positioning pressuring plate and valve deck.
The present invention is further arranged to: gasket seal is provided between the valve deck and valve body, valve deck passes through with valve body
Gasket seal constitutes sealing, and fixation is bolted in valve deck and valve body.
The present invention is further arranged to: a medium through hole, the valve ball left end setting are provided in the middle part of the valve ball
There is valve ball left tilted surface, valve ball left tilted surface is from top to bottom towards right bank；The valve ball right end is provided with valve ball right tilted surface, and valve ball is right tiltedly
Face is from top to bottom towards left bank.
The present invention is further arranged to: the left end of the right side of the first metal bracing ring and the second metal bracing ring
Hard alloy sealant is welded on face.
The invention has the advantages that compared with prior art, structure of the invention setting is more reasonable, and the internals of valve are from valve body
Top be packed into, can on-line maintenance, valve body is to be integrated into, reduce leakage point；Incline configuration formula valve seat construction is simple, work
Make reliably, under the elastic force effect of spring assembly, elastic force acts on sliding block, is then passed to valve ball, and valve ball again passes active force
It is delivered on incline configuration formula valve seat, generates seal preload simultaneously on valve ball sealing ring and valve seat insert；Valve rod and valve deck
Between helicitic texture is set, when valve rod circle rotation, generates axially adjustable displacement, and the effect of generation is: increasing bullet when closing valve
The spring deflection of spring component increases the sealing force of valve ball and each incline configuration formula valve seat, sealing effect is improved, when Open valve
Reduce spring load, reduces valve opening torque；Sliding block is set, and when valve is closed, the ingenious valve ball that eliminates is to the curved of valve rod
Qu Zuoyong, so that valve rod is not flexible；O-ring seal, dished spring assembly and airtight and watertight padding setting are reasonable, when pressure and temperature fluctuates
When variation, airtight and watertight padding can be with adjust automatically, it is ensured that the high security in valve rod work meets environmentally friendly demand for development；It is entire high
The design of safe die forging ball-valve structure is rationally, structure is simple, be not easy to leak, good seal performance, valve rod be not flexible or deformation, valve
It is good to open and close small torque, easy to maintain, long service life, the operation is stable and practicability.
The invention will be further described with specific embodiment with reference to the accompanying drawings of the specification.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention one；
Fig. 2 is the structural schematic diagram of one sliding block of the embodiment of the present invention；
Fig. 3 is the structural schematic diagram of two valve seat of the embodiment of the present invention.
Specific embodiment
In the description of the present embodiment, it should be noted that such as occur term " center ", "upper", "lower", "left", "right",
"vertical", "horizontal", "inner", "outside", "front", "rear" etc., indicated by orientation or positional relationship be it is based on the figure
Orientation or positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device of indication or suggestion meaning or
Element must have a particular orientation, be constructed and operated in a specific orientation, it is thus impossible to be interpreted as limitation of the present invention.
In addition, such as there is term " first ", " second ", " third " are used for description purposes only, be not understood to indicate or imply opposite
Importance.
Embodiment one
Referring to Fig. 1 and Fig. 2, a kind of high safety die forging ball valve disclosed by the invention, including valve body 1, the interior setting of the valve body 1
There is valve chamber 11,11 upper end of valve chamber is provided with valve ball loading port 12, and valve ball 2 is provided in the valve chamber 11, and the valve ball 2 is left
End is provided with the first incline configuration formula valve seat 3, and 2 right end of valve ball is provided with the second incline configuration formula valve seat 4,2 upper end of valve ball
It is provided with positioning convex platform 21, is vertically provided with a positioning groove 211 in the middle part of the positioning convex platform 21, on the positioning convex platform 21
It is provided with one piece of sliding block 5, one piece of locating convex block 51 has been wholely set on the lower end surface of the sliding block 5, the locating convex block 51 is inserted
Enter in positioning groove 211, is vertically provided with a spring groove 52, the spring groove 52 in the middle part of the upper surface of the sliding block 5
Built-in type is provided with spring assembly 6, valve rod 7 is provided with right above the spring assembly 6, and 7 lower end of valve rod is pressed on spring
6 upper end of component；Valve deck 8 is arranged on the valve rod 7, the valve deck 8 is detachably connected with valve body 1；7 lower end of the valve rod setting
There is valve rod external thread part, valve rod hole 81 is provided in the middle part of the valve deck 8,81 lower end of valve rod hole is provided with and the valve rod external screw thread
The matched valve deck internal thread part in portion, the valve deck 8 are threadedly coupled by valve deck internal thread part with valve rod external thread part.
Preferably, the sliding block 5 is crosshead shoe, 5 upper end of sliding block is provided with valve stem spacing card slot 53, the valve rod
7 lower ends be wholely set with the matched spacing block set of the valve stem spacing card slot 53, and spacing block set be inserted into valve stem spacing card slot
In 53.
For make structure of the invention setting it is more reasonable, preferably, valve body 1 described in the present embodiment be integrated into and
At, and the inner wall of the valve chamber 11 is inclined-plane, 11 size of valve chamber is gradually reduced from top to bottom, and valve chamber 11 is in rounding mesa-shaped
Structure, convenient for component assemblings such as valve ball, the first incline configuration formula valve seat 3, the second incline configuration formula valve seats 4, on-bne repair is easy；
Valve body 1 is forged by integral module.
Preferably, the valve body 1 is forged using integral module.
The first incline configuration valve seat 3 includes the first metal bracing ring 31, the first valve seat insert 32 and the first valve ball
Sealing ring 33, the first metal bracing ring 31, the first valve seat insert 32 and the first valve ball sealing ring 33 connect and compose one
Structure, the first metal bracing ring 31 is by constituting sealing, the first metal between 11 inner wall of the first valve seat insert 32 and valve chamber
Bracing ring 31 is by constituting sealing between 2 outer surface of the first valve ball sealing ring 33 and valve ball.
The second incline configuration valve seat 4 includes the second metal bracing ring 41, the second valve seat insert 42 and the second valve ball
Sealing ring 43, the second metal bracing ring 41, the second valve seat insert 42 and the second valve ball sealing ring 43 connect and compose one
Structure, the second metal bracing ring 41 is by constituting sealing, the second metal between 11 inner wall of the second valve seat insert 42 and valve chamber
Bracing ring 41 is by constituting sealing between 2 outer surface of the second valve ball sealing ring 43 and valve ball.
O-ring seal 9, airtight and watertight padding 10 and gland 13, institute are disposed in the valve rod hole 81 from bottom to up
It states 13 upper end of gland and is provided with dished spring assembly 14,14 upper end of dished spring assembly is provided with positioning pressuring plate 15, the positioning
Fixation is bolted in pressing plate 15 and valve deck 8.The valve rod 7 passes through O-ring seal 9 and airtight and watertight padding 10 and valve rod hole 81
Sealing is constituted between inner wall；Dished spring assembly 14 is compressed when the positioning pressuring plate 15 is locked, dished spring assembly 14 compresses gland
13, gland 13 compresses airtight and watertight padding 10.
Gasket seal 16 is provided between the valve deck 8 and valve body 1, valve deck 8 is made up of with valve body 1 gasket seal 16 close
Fixation is bolted in envelope, valve deck 8 and valve body 1.
A medium through hole 22 is provided in the middle part of the valve ball 2,2 left end of valve ball is provided with valve ball left tilted surface 23, valve
Ball left tilted surface 23 is from top to bottom towards right bank；2 right end of valve ball is provided with valve ball right tilted surface 24, valve ball right tilted surface 24 from up to
It is lower towards left bank.
When practical application, the internals of valve are packed into from body top, can on-line maintenance, valve body is to be integrated into,
Reduce leakage point；Incline configuration formula valve seat construction is simple, reliable operation, and under the elastic force effect of spring assembly, elastic force is acted on
Sliding block is then passed to valve ball, and active force is transmitted on incline configuration formula valve seat by valve ball again, close in valve ball sealing ring and valve seat
Seal preload is generated in seal simultaneously；Helicitic texture is set between valve rod and valve deck, and when valve rod circle rotation generates axial adjust
The effect of whole displacement, generation is: increasing the spring deflection of spring assembly when closing valve, increases valve ball and each incline configuration formula
The sealing force of valve seat improves sealing effect, and when Open valve reduces spring load, reduces valve opening torque；Sliding block is set,
When valve is closed, the ingenious valve ball that eliminates is to the flecition of valve rod, so that valve rod is not flexible；O-ring seal, dished spring assembly
Rationally with airtight and watertight padding setting, when pressure and temperature fluctuating change, airtight and watertight padding can be with adjust automatically, it is ensured that works in valve rod
When high security, meet environmentally friendly demand for development；Entire high safety die forging ball-valve structure design is rationally, structure is simple, be not easy to leak,
Good seal performance, valve rod be not flexible or deformation, valve opening and closing torque is small, easy to maintain, long service life, the operation is stable and reality
It is good with property.
Embodiment two
Referring to Fig. 3, the present embodiment is second is that on the basis of the above embodiment 1 improve valve seat: by incline configuration valve
The valve ball sealing ring of seat is replaced using pile-up welding hard alloy layer 17, becomes hard seal ball valve, i.e., the described first metal support
Hard alloy sealant 17 is welded on the right side of circle 31 and the left side of the second metal bracing ring 41.
Above-described embodiment is served only for that invention is further explained to specific descriptions of the invention, should not be understood as
Limiting the scope of the present invention, the technician of this field make the present invention according to the content of foregoing invention some non-
The modifications and adaptations of essence are fallen within the scope of protection of the present invention.
Claims (8)
1. a kind of high safety die forging ball valve, including valve body (1), the valve body (1) is interior to be provided with valve chamber (11), it is characterised in that:
Valve chamber (11) upper end is provided with valve ball loading port (12), is provided with valve ball (2) in the valve chamber (11), the valve ball (2)
Left end is provided with the first incline configuration formula valve seat (3), and valve ball (2) right end is provided with the second incline configuration formula valve seat (4), the valve
Ball (2) upper end is provided with positioning convex platform (21), is vertically provided with a positioning groove (211) in the middle part of the positioning convex platform (21),
It is provided with one piece of sliding block (5) on the positioning convex platform (21), has been wholely set one piece of convex on the lower end surface of the sliding block (5)
Block (51), locating convex block (51) insertion positioning groove (211) is interior, is vertically provided in the middle part of the upper surface of the sliding block (5)
One spring groove (52), spring groove (52) built-in type are provided with spring assembly (6), and the spring assembly (6) is just
Top is provided with valve rod (7), and valve rod (7) lower end is pressed on spring assembly (6) upper end；Valve deck is arranged on the valve rod (7)
(8), the valve deck (8) is detachably connected with valve body (1)；Valve rod (7) lower end is provided with valve rod external thread part, the valve deck
(8) middle part is provided with valve rod hole (81), and valve rod hole (81) lower end is provided with and spiral shell in the matched valve deck of valve rod external thread part
Line portion, the valve deck (8) are threadedly coupled by valve deck internal thread part with valve rod external thread part.
2. a kind of high safety die forging ball valve according to claim 1, it is characterised in that: the valve body (1) is integrated into
It forms, and the inner wall of the valve chamber (11) is inclined-plane, valve chamber (11) size is gradually reduced from top to bottom.
3. a kind of high safety die forging ball valve according to claim 2, it is characterised in that: the first incline configuration valve seat
It (3) include the first metal bracing ring (31), the first valve seat insert (32) and the first valve ball sealing ring (33), first metal
Bracing ring (31), the first valve seat insert (32) and the first valve ball sealing ring (33) connect and compose integral structure, the first metal branch
Support ring (31) is by constituting sealing, the first metal bracing ring (31) between the first valve seat insert (32) and valve chamber (11) inner wall
By constituting sealing between the first valve ball sealing ring (33) and valve ball (2) outer surface.
4. a kind of high safety die forging ball valve according to claim 3, it is characterised in that: the second incline configuration valve seat
It (4) include the second metal bracing ring (41), the second valve seat insert (42) and the second valve ball sealing ring (43), second metal
Bracing ring (41), the second valve seat insert (42) and the second valve ball sealing ring (43) connect and compose integral structure, the second metal branch
Support ring (41) is by constituting sealing, the second metal bracing ring (41) between the second valve seat insert (42) and valve chamber (11) inner wall
By constituting sealing between the second valve ball sealing ring (43) and valve ball (2) outer surface.
5. a kind of high safety die forging ball valve according to claim 1, it is characterised in that: in the valve rod hole (81) from down toward
On be disposed with O-ring seal (9), airtight and watertight padding (10) and gland (13), gland (13) the upper end setting
Have dished spring assembly (14), dished spring assembly (14) upper end is provided with positioning pressuring plate (15), the positioning pressuring plate (15) and valve deck
(8) fixation is bolted.
6. a kind of high safety die forging ball valve according to claim 1, it is characterised in that: the valve deck (8) and valve body (1) it
Between be provided with gasket seal (16), valve deck (8) and valve body (1) are made up of gasket seal (16) and seal, valve deck (8) and valve body
(1) fixation is bolted.
7. a kind of high safety die forging ball valve according to claim 1, it is characterised in that: be provided in the middle part of the valve ball (2)
One medium through hole (22), valve ball (2) left end are provided with valve ball left tilted surface (23), valve ball left tilted surface (23) court from top to bottom
Right bank；Valve ball (2) right end is provided with valve ball right tilted surface (24), and valve ball right tilted surface (24) is from top to bottom towards left bank.
8. a kind of high safety die forging ball valve according to claim 4, it is characterised in that: the first metal bracing ring (31)
Right side and the second metal bracing ring (41) left side on be welded with hard alloy sealant (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910651446.3A CN110285230A (en) | 2019-07-18 | 2019-07-18 | A kind of high safety die forging ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910651446.3A CN110285230A (en) | 2019-07-18 | 2019-07-18 | A kind of high safety die forging ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110285230A true CN110285230A (en) | 2019-09-27 |
Family
ID=68023306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910651446.3A Pending CN110285230A (en) | 2019-07-18 | 2019-07-18 | A kind of high safety die forging ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110285230A (en) |
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| CN105156710A (en) * | 2015-09-28 | 2015-12-16 | 开封瑞科阀门有限公司 | Low-temperature ball valve of pre-tightening sliding valve seat structure |
| CN105351560A (en) * | 2015-12-10 | 2016-02-24 | 沈阳恒屹实业有限公司 | Full-floating ball rigidity seal ball valve |
| US20180347711A1 (en) * | 2017-06-03 | 2018-12-06 | Shanghai Keyva Control Co., Ltd. | Top entry ball valve |
| CN210510352U (en) * | 2019-07-18 | 2020-05-12 | 欧维克集团有限公司 | High-safety die forging ball valve |
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2019
- 2019-07-18 CN CN201910651446.3A patent/CN110285230A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201715020U (en) * | 2010-07-26 | 2011-01-19 | 慎江阀门有限公司 | Abrasion auto-compensation sealed ball valve |
| CN201925512U (en) * | 2010-12-15 | 2011-08-10 | 潘贤参 | Magnetic locking ball valve |
| CN202561110U (en) * | 2012-05-22 | 2012-11-28 | 百强阀门集团有限公司 | Integrated slope type ball valve |
| CN203374864U (en) * | 2013-07-09 | 2014-01-01 | 苏州工业园区思达德阀门有限公司 | Top entry floating ball valve |
| CN105156710A (en) * | 2015-09-28 | 2015-12-16 | 开封瑞科阀门有限公司 | Low-temperature ball valve of pre-tightening sliding valve seat structure |
| CN105351560A (en) * | 2015-12-10 | 2016-02-24 | 沈阳恒屹实业有限公司 | Full-floating ball rigidity seal ball valve |
| US20180347711A1 (en) * | 2017-06-03 | 2018-12-06 | Shanghai Keyva Control Co., Ltd. | Top entry ball valve |
| CN210510352U (en) * | 2019-07-18 | 2020-05-12 | 欧维克集团有限公司 | High-safety die forging ball valve |
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