CN102606762A - Two-way hard seal track rotating cone valve - Google Patents
Two-way hard seal track rotating cone valve Download PDFInfo
- Publication number
- CN102606762A CN102606762A CN2012100634633A CN201210063463A CN102606762A CN 102606762 A CN102606762 A CN 102606762A CN 2012100634633 A CN2012100634633 A CN 2012100634633A CN 201210063463 A CN201210063463 A CN 201210063463A CN 102606762 A CN102606762 A CN 102606762A
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- valve
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- sealing surface
- valve plate
- valve rod
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Abstract
The invention discloses a two-way hard seal track rotating cone valve, wherein a guide groove is arranged on an upper valve rod; a guide pin is arranged on a support; one end of the guide pin is inserted in the guide grove; the lower end of the upper valve rod is connected with a connecting rod; the connecting rod is connected with a valve plate; the other end of the valve plate is hinged with a lower valve rod; axes of the upper and the lower valve rods are deviated; and hard seal is adopted by both the ball-shaped sealing surface of the valve plate and the cone-shaped sealing surface of the valve body. The two-way hard seal track rotating cone valve disclosed by the invention has the advantages of high strength, high temperature resistance, zero abrasion, low torque and capability of meeting operating requirements under two-way sealing working conditions.
Description
Technical field
The present invention relates to a kind of valve, particularly relate to a kind of two-way hard seal track and revolve cone valve.
Background technique
Existing hard seal butterfly valve and ball valve sealing surface when keying all has friction in various degree, has that bearing capacity is low, the defective of seal failure; And having flexible materials such as rubber or plastics in the structure of spiral valve, intensity is low, defective such as easy to wear, non-refractory.
Summary of the invention
It is high that technical problem to be solved by this invention provides a kind of intensity, high temperature resistant, zero wearing and tearing, and low moment of torsion, the two-way hard seal track that can satisfy the usage requirement of two way sealed operating mode revolves cone valve.
In order to solve the problems of the technologies described above; Two-way hard seal track provided by the invention revolves cone valve; Comprise drive part, support, valve body and valve plate; And be installed in the upper valve rod and the lower valve rod that is installed in described valve body bottom on described valve body and the described support, and the sealing surface of described valve plate and the hard sealing of the sealing surface of described valve body employing, the sealing surface center line of the axis of described lower valve rod and the axis of described upper valve rod and described valve body adopts the eccentric setting of mutual dislocation; Described upper valve rod is provided with guiding groove; On the described support guide finger is housed, described guide finger one end insert forces in the described guiding groove described upper valve rod when the track of described guiding groove is opened, adopt first straight line rise the back rotation rise, adopt when closing rotation earlier to descend the back straight line descends moving, the upper end of described valve plate is connected with the valve plate link; One end of described upper valve rod lower end and connecting rod is hinged, and the other end of described connecting rod and described valve plate link one end are hinged; The lower end of described valve plate and described lower valve rod are hinged.
The lower end of described lower valve rod and described valve plate is hinged through bearing pin.
The sealing surface of described valve body is the conical surface, and the sealing surface of described valve plate is a sphere.
Adopt the two-way hard seal track of technique scheme to revolve cone valve; Since guide finger one end insert force in the guiding groove upper valve rod when the track of described guiding groove is opened, adopt first straight line rise the back rotation rise, adopt when closing rotation earlier to descend the back straight line descends moving; Thereby valve plate and valve body sealing surface have adopted first disengaging back rotation mode, thereby have eliminated the phase mutual friction between sealing surface in the opening-closing process.Upper valve rod and lower valve rod and sealing surface of valve plate have off-centre, and upper valve rod breaks away from perhaps valve plate and valve body sealing surface and compresses through the leverage of connecting rod, guarantees to open flexibly, closes and puts in place.
When driving valve, drive the Stem Mut rotation, make on the valve rod through spiral motion and move through handwheel; This moment, guide finger was in the straight trough part of upper valve rod guiding groove, and upper valve rod moves up, and an end of drivening rod moves up; Drive valve plate and move, thereby sealing surface of valve plate and valve body sealing surface are broken away from, after two sealing surfaces separate certain distance to deviating from the valve body sealing surface direction; Guiding groove changes the spiral chute part in being begun by the straight trough of upper valve rod, and Stem Mut continues to drive valve rod and rises, and forces the valve rod drivening rod not only to rise but also rotate; Connecting rod drives valve plate and continues to break away from again rotation simultaneously, rotates to 90 °, the valve complete opening; When closing valve, lower valve rod moves down, and the restriction that receives guide finger must be moved along the helical trajectory of guiding groove; The valve rod drivening rod moves down and rotates, and connecting rod drives valve plate near valve body sealing surface and rotation, rotates to 90 °; Guide finger is got back to upper valve rod guiding groove straight trough part, continues rotation hand wheel upper valve rod is descended, and forces valve plate to draw close the direction motion to valve body sealing surface through connecting rod; Up to sealing surface of valve plate and the complete pressing of valve body sealing surface, valve is closed fully.Driving valve and closing in the valve valve plate rotation process, sealing surface is contactless all the time.Valve body sealing surface is the conical surface, and sealing surface of valve plate is a sphere.
In sum, adopt the two-way hard seal track of technique scheme to revolve cone valve, because the sealing surface of valve plate and valve body sealing surface adopt entity to seal firmly, the sealing surface of valve plate motion conditions is defectives such as rotation is again thrown off by elder generation, and it is low to have overcome intensity from face, easy to wear.Simultaneously, single eccentric position structure of valve rod has been eliminated the unbalanced force of valve plate action under hydraulic action, has reduced steering force and has refused.Therefore this two-way hard seal track revolves cone valve and has zero wearing and tearing, low moment of torsion, and intensity is high, satisfies the characteristic of two way sealed operating mode usage requirement.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is a valve opening original state schematic representation.
Fig. 3 is the valve closing view.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is described further.
Referring to Fig. 1, handwheel 3 is connected with Stem Mut 2 through key, and with locking nut 1 locking; Stem Mut 2 can rotate at the screw portion of upper valve rod 8 and move up and down; The cylindrical of Stem Mut 2 is equipped with two plane bearings 5 up and down; Be fixed in the support 9 through bearing gland 4; Bearing gland 4 is connected with support 9 through the screw thread on the cylindrical, and the middle part symmetry of support 9 has two apertures, and one of them is fixed with guide finger 6; The other end of guide finger 6 inserts in the guiding groove 7 of upper valve rod 8, force upper valve rod 8 when the track of guiding groove 7 is opened, adopt first straight line rise the back rotation rise, adopt when closing rotation earlier to descend the back straight line descends moving; The bottom of support 9 is provided with seam, cooperates with seam on the valve body 14, and is connected with valve body 14 through bolt and nut; Valve plate link 13 is fixedly connected with the upper end of valve plate 15, and the lower end of upper valve rod 8 and connecting rod 12 are hinged through pin, and the other end of connecting rod 12 and valve plate link 13 are hinged through another pin; The sealing surface of the sealing surface of valve plate 15 and valve body 14 adopts hard sealing; It is hinged through bearing pin 16 and lower valve rod 17 upper ends that the lower end of valve plate 15 has a hole, the lower end of lower valve rod 17 and copper sheathing 18 movingly, copper sheathing 18 is fixed in the hole of valve body 14 lower ends, stifle 19 is through being bolted on the valve body 14.The axis of lower valve rod 17 does not overlap with the axis of upper valve rod 8 and the sealing surface center line of valve body 14, adopts the eccentric setting of mutual dislocation, and the sealing surface of valve body 14 is conical surfaces, and the sealing surface of valve plate 15 is a sphere.
Drive valve: referring to Fig. 1 and Fig. 2, drive Stem Mut 2 rotations, make on the upper valve rod 8 through spiral motion and move through handwheel 3; This moment, guide finger 6 was in the straight trough part of upper valve rod 8 guiding grooves 7, and upper valve rod 8 straight lines move up, and an end of drivening rod 12 moves up; Drive valve plate 15 and move, thereby the sealing surface of valve plate 15 and the sealing surface of valve body 14 are broken away from, after two sealing surfaces separate certain distance to deviating from valve body 14 sealing surface directions; During being begun by the straight trough of upper valve rod 8, guiding groove 7 changes the spiral chute part of guiding groove 7 over to; Stem Mut 2 continues to drive upper valve rod 8 and rises, and forces upper valve rod 8 drivening rods 12 not only to rise but also rotate, and connecting rod 12 drives valve plate 15 and continues to break away from again rotation simultaneously; Rotate to 90 °, the valve complete opening.
When closing valve: referring to Fig. 1 and Fig. 3, drive Stem Mut 2 rotations through handwheel 3, lower valve rod 17 moves down; The restriction that receives guide finger 6 must be moved along the helical trajectory of guiding groove 7, and upper valve rod 8 drivening rods 12 move down and rotate, and connecting rod 12 drives valve plate 15 near valve body 14 sealing surfaces and rotation; Rotate to 90 °; Guide finger 6 is got back to upper valve rod 8 guiding grooves 7 straight trough parts, continues rotation hand wheel 3 upper valve rod 8 straight lines are descended, and forces valve plate 15 to draw close the direction motion to valve body 14 sealing surfaces through connecting rod 12; Up to the complete pressing of sealing surface of the sealing surface and the valve body 14 of valve plate 15, valve is closed fully.Driving valve and closing in valve valve plate 15 rotation processes, sealing surface is contactless all the time.
Claims (3)
1. a two-way hard seal track revolves cone valve; Comprise drive part, support (9), valve body (14) and valve plate (15); And be installed in the upper valve rod (8) on described valve body (14) and the described support (9) and be installed in the lower valve rod (17) of described valve body (14) bottom; The sealing surface of the sealing surface of described valve plate (15) and described valve body (14) adopts hard sealing; It is characterized in that: the axis of the axis of described lower valve rod (17) and described upper valve rod (8) and the sealing surface center line of described valve body (14) adopt the eccentric setting of mutual dislocation; Described upper valve rod (8) is provided with guiding groove (7); Guide finger (6) is housed on the described support (9), and rotation was risen, is adopted when closing and rotate the motion that the back straight line that descends descends earlier after described guide finger (6) one ends inserted and force described upper valve rod (8) when the track of described guiding groove (7) is opened, to adopt first straight line to rise in the described guiding groove (7), and the upper end of described valve plate (15) is connected with valve plate link (13); One end of described upper valve rod (8) lower end and connecting rod (12) is hinged, and the other end of described connecting rod (12) and described valve plate link (13) one ends are hinged; The lower end of described valve plate (15) and described lower valve rod (17) are hinged.
2. two-way hard seal track according to claim 1 revolves cone valve, it is characterized in that: described lower valve rod (17) is hinged through bearing pin (16) with the lower end of described valve plate (15).
3. two-way hard seal track according to claim 1 and 2 revolves cone valve, it is characterized in that: the sealing surface of described valve body (14) is the conical surface, and the sealing surface of described valve plate (15) is a sphere.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100634633A CN102606762A (en) | 2012-03-12 | 2012-03-12 | Two-way hard seal track rotating cone valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100634633A CN102606762A (en) | 2012-03-12 | 2012-03-12 | Two-way hard seal track rotating cone valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102606762A true CN102606762A (en) | 2012-07-25 |
Family
ID=46524407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100634633A Pending CN102606762A (en) | 2012-03-12 | 2012-03-12 | Two-way hard seal track rotating cone valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102606762A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111412308A (en) * | 2020-04-30 | 2020-07-14 | 邵立坤 | Four-way ball valve |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB897239A (en) * | 1959-01-16 | 1962-05-23 | Vulliez Paul | Improvements in and relating to control systems for fluid control valves |
| US4029292A (en) * | 1976-04-06 | 1977-06-14 | Eisenbahn-Verkehrsmittel Ag | Globe valve construction |
| CN2221137Y (en) * | 1995-04-06 | 1996-02-28 | 裴守智 | Sealing cone valve with translational rotary single seat |
| CN2353979Y (en) * | 1998-05-01 | 1999-12-15 | 潘明浩 | Ball valve |
| CN2440135Y (en) * | 2000-09-19 | 2001-07-25 | 郝蕴 | Flow-pressure controlling valve for fluid |
| CN2651539Y (en) * | 2003-09-19 | 2004-10-27 | 厦门三高维多利阀门有限公司 | Rolling ball valves |
| CN201028037Y (en) * | 2007-04-20 | 2008-02-27 | 张长宗 | Hard sealing rotary ball valve |
| CN201083273Y (en) * | 2007-10-18 | 2008-07-09 | 湖南泵阀制造有限公司 | Hard-sealing non-abrasion rotary cutting valve |
| CN201141445Y (en) * | 2008-01-21 | 2008-10-29 | 湖南泵阀制造有限公司 | Bidirectional hard-sealing non-abrasion rail butterfly valve |
| CN202493705U (en) * | 2012-03-12 | 2012-10-17 | 湖南泵阀制造有限公司 | Bidirectional hard seal track spiral cone valve |
-
2012
- 2012-03-12 CN CN2012100634633A patent/CN102606762A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB897239A (en) * | 1959-01-16 | 1962-05-23 | Vulliez Paul | Improvements in and relating to control systems for fluid control valves |
| US4029292A (en) * | 1976-04-06 | 1977-06-14 | Eisenbahn-Verkehrsmittel Ag | Globe valve construction |
| CN2221137Y (en) * | 1995-04-06 | 1996-02-28 | 裴守智 | Sealing cone valve with translational rotary single seat |
| CN2353979Y (en) * | 1998-05-01 | 1999-12-15 | 潘明浩 | Ball valve |
| CN2440135Y (en) * | 2000-09-19 | 2001-07-25 | 郝蕴 | Flow-pressure controlling valve for fluid |
| CN2651539Y (en) * | 2003-09-19 | 2004-10-27 | 厦门三高维多利阀门有限公司 | Rolling ball valves |
| CN201028037Y (en) * | 2007-04-20 | 2008-02-27 | 张长宗 | Hard sealing rotary ball valve |
| CN201083273Y (en) * | 2007-10-18 | 2008-07-09 | 湖南泵阀制造有限公司 | Hard-sealing non-abrasion rotary cutting valve |
| CN201141445Y (en) * | 2008-01-21 | 2008-10-29 | 湖南泵阀制造有限公司 | Bidirectional hard-sealing non-abrasion rail butterfly valve |
| CN202493705U (en) * | 2012-03-12 | 2012-10-17 | 湖南泵阀制造有限公司 | Bidirectional hard seal track spiral cone valve |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111412308A (en) * | 2020-04-30 | 2020-07-14 | 邵立坤 | Four-way ball valve |
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Application publication date: 20120725 |