CN106763871A - To the assembly method of bulb separation ball valve - Google Patents
To the assembly method of bulb separation ball valve Download PDFInfo
- Publication number
- CN106763871A CN106763871A CN201710068196.1A CN201710068196A CN106763871A CN 106763871 A CN106763871 A CN 106763871A CN 201710068196 A CN201710068196 A CN 201710068196A CN 106763871 A CN106763871 A CN 106763871A
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- CN
- China
- Prior art keywords
- valve
- valve body
- valve rod
- hemisphere
- nut
- 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
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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
Abstract
The invention discloses a kind of assembly method to bulb separation ball valve, including：1）By valve body end flanges down, middle flange places upward；2）Left half valve seat is put into the valve seat orifice of valve body；3）Load antifriction adjusting pad；4）Left hemisphere is loaded into the valve seat sphere or the conical surface in valve body；5）Right hemisphere is loaded in valve body, is contacted with left hemisphere；6）Valve rod is inserted into valve rod from valve inner to insert in the hole；7）Bearing pin is fitted into pin shaft hole；7）Right half valve seat is loaded in the valve seat orifice of bonnet；8）Bonnet is connected with valve body, to be coordinated and load onto pad at positioning；9）Valve body bonnet is rotated by 90 °, makes valve body upper flange upward；10）Sealing shroud, nut, nut gland, hand handle, spanner are sequentially loaded into again.The ball valve that present invention assembling is obtained, rational in infrastructure, favorable working performance；The cammed surface of valve rod patchhole is used to strut, draw in, and front and rear parallel surface is used for switch valve and transmits torque.
Description
Technical field
The present invention relates to a kind of assembly method of ball valve.
Background technology
Ball valve is widely used because its flow resistance is small, keying is rapid, maximization, high parameter with device, to ball valve
Propose the requirement of high temperature, high pressure；Traditional soft seal no longer meets requirement, it is necessary to use the hard sealing pair of simple metal, simple metal
Seal pressure between sealing pair is much larger than soft seal, and coefficient of friction is also far above soft seal, the friction torque between sealing surface
Greatly.
The content of the invention
It is an object of the invention to provide a kind of rational in infrastructure, assembly method to bulb separation ball valve of favorable working performance.
Technical solution of the invention is：
A kind of assembly method to bulb separation ball valve, it is characterized in that：The ball valve, including valve body, valve seat, spheroid, valve rod, its feature
It is：Spheroid is the separable type spheroid being made up of left and right hemisphere, and bearing pin is provided with left and right hemisphere bottom junction；Place bearing pin
On left hemisphere, second half is on right hemisphere for the half of pin shaft hole；Position between left and right hemisphere below bearing pin, with gap；
The two cerebral hemispheres top junction, is provided with valve rod patchhole, and valve rod patchhole half on left hemisphere, second half is in right hemisphere
On, valve rod patchhole is made up of bottom surface, front-back and left and right face, and the forward and backward face of valve rod patchhole is be parallel to each other vertical
Face, the left and right face of valve rod patchhole is cammed surface；The bottom of valve rod is in the shape identical with valve rod insertion hole shape；Valve rod
Top coordinates with nut thread, and the nut is equipped with hand handle；The upper end of valve rod is equipped with spanner；Set in valve body, below spheroid
Antifriction adjusting pad；Nut gland is set on nut；The left end of the valve body is valve body end flanges, and the right-hand member of valve body is method in valve body
Orchid, valve body upper end is valve body upper flange；Flange is combined with bonnet in valve body, and binding site is provided with pad；Nut lower section, valve rod
Sealing shroud is set between valve body；
Assembly method comprises the following steps successively：1）By valve body end flanges down, middle flange places upward；2）Left half valve seat is put
Enter in the valve seat orifice of valve body, be pushed into and completely attached to valve body；3）Load antifriction adjusting pad, make antifriction adjusting pad upper surface to valve body
The distance of center line is equal to the radius of spheroid；4）Left hemisphere is loaded into the valve seat sphere or the conical surface in valve body, bottom is adjusted with antifriction
Whole pad is not interfered, and is fitted like a glove with sealing surface of seat；5）Right hemisphere is loaded in valve body, is contacted with left hemisphere；6）By valve rod
Valve rod is inserted into from valve inner to insert in the hole；7）Bearing pin is fitted into pin shaft hole；7）Right half valve seat is loaded the valve seat orifice of bonnet
It is interior, it is pushed into and is completely attached to valve body；8）Bonnet is connected with valve body, to be coordinated and load onto pad at positioning, fastened；9）By valve body bonnet
It is rotated by 90 °, makes valve body upper flange upward；10）Sealing shroud, nut, nut gland, hand handle, spanner are sequentially loaded into again.
Spanner is used to be bonded and connect with valve rod, and is fixed with jump ring.
The ball valve that present invention assembling is obtained, rational in infrastructure, favorable working performance；The cammed surface of valve rod patchhole be used for strut,
Draw in, front and rear parallel surface is used for switch valve and transmits torque.
Brief description of the drawings
The invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the structural representation of ball valve of the present invention.
Fig. 2 is the structural representation of valve rod patchhole.
Specific embodiment
A kind of assembly method to bulb separation ball valve, the ball valve includes valve body 1, valve seat 2, spheroid 3, valve rod 4, and spheroid is served as reasons
The separable type spheroid of left and right hemisphere composition, bearing pin 5 is provided with left and right hemisphere bottom junction；Place the one of the pin shaft hole of bearing pin
Half on left hemisphere, and second half is on right hemisphere；Position between left and right hemisphere below bearing pin, with gap 6, inserts valve rod
Fashionable left and right hemisphere has the distance rotated around bearing pin；The two cerebral hemispheres top junction, is provided with valve rod patchhole 7, and valve rod is inserted
Enter the half in hole on left hemisphere, on right hemisphere, valve rod patchhole is made up of bottom surface, front-back and left and right face for second half, and
The forward and backward face of valve rod patchhole is the vertical plane being parallel to each other, and the left and right face of valve rod patchhole is cammed surface；The bottom of valve rod
In the shape identical with valve rod insertion hole shape；The top of valve rod coordinates with the screw thread of nut 8, and the nut is equipped with hand 9；Valve rod
Upper end be equipped with spanner 10.
Antifriction adjusting pad 11 is set in valve body, below spheroid.Nut gland 12 is set on nut.
The left end of the valve body is valve body end flanges 13, and the right-hand member of valve body is flange 14 in valve body, and valve body upper end is valve body
Upper flange 15；Flange is combined with bonnet 16 in valve body, and binding site is provided with pad 17.
Nut lower section, setting sealing shroud 18 between valve rod and valve body.
Assembly method comprises the following steps successively：1）By valve body end flanges down, middle flange places upward；2）By left half valve
Seat is put into the valve seat orifice of valve body, is pushed into and is completely attached to valve body；3）Load antifriction adjusting pad, make antifriction adjusting pad upper surface extremely
The distance of valve body center line is equal to the radius of spheroid；4）By left hemisphere load valve body in valve seat sphere or the conical surface, bottom with subtract
The adjusting pad that rubs is not interfered, and is fitted like a glove with sealing surface of seat；5）Right hemisphere is loaded in valve body, is contacted with left hemisphere；6）Will
Valve rod is inserted into valve rod and inserts in the hole from valve inner；7）Bearing pin is fitted into pin shaft hole；7）Right half valve seat is loaded the valve of bonnet
In bore, it is pushed into and is completely attached to valve body；8）Bonnet is connected with valve body, to be coordinated and load onto pad at positioning, fastened；9）By valve body
Bonnet is rotated by 90 °, and makes valve body upper flange upward；10）Sealing shroud, nut, nut gland, hand handle, spanner are sequentially loaded into again.
The processing method of separable type spheroid comprises the following steps successively：1）Forging or spray；2）The blank that will be obtained
It is heat-treated；3）Turning inner hole 19 and both ends of the surface；4）Upper fixture car sphere；5）It is surface-treated by design requirement（Can be with
Including hot spray-welding, plasma spray, supersonic spray coating etc.）；6）Smart car or fine grinding sphere；7）Carry out bearing pin hole machined；8）Carry out
Valve rod inserts hole machined, and first processes the forward and backward face being parallel to each other；9）Spheroid is split into left and right hemisphere；10）To left and right
Valve rod patchhole in hemisphere carries out cammed surface processing.
The application method of the ball valve：When valve is in closed positions, valve rod is all inserted in valve rod and inserts in the hole, left and right
Hemisphere is strutted by valve rod cammed surface, reliable sealing；During valve opening, the right hand holds spanner, valve rod is not rotated, and left hand is shaken hands rotation spiral shell
Mother, now nut only turn not move, valve rod is only moved and not turned, so that poppet stem, the two cerebral hemispheres draw under medium effect, depart from valve
Seat sealing surface；Plate wrench, drives spheroid to rotate by the forward and backward face of valve rod patchhole, realizes valve opening.Close valve then make with it is above-mentioned
The opposite action of step.
Claims (2)
1. a kind of assembly method to bulb separation ball valve, it is characterized in that：The ball valve, including valve body, valve seat, spheroid, valve rod, it is special
Levying is：Spheroid is the separable type spheroid being made up of left and right hemisphere, and bearing pin is provided with left and right hemisphere bottom junction；Place bearing pin
Pin shaft hole half on left hemisphere, second half is on right hemisphere；Position between left and right hemisphere below bearing pin, with
Gap；The two cerebral hemispheres top junction, is provided with valve rod patchhole, and valve rod patchhole half on left hemisphere, second half is on the right side
On hemisphere, valve rod patchhole is made up of bottom surface, front-back and left and right face, and the forward and backward face of valve rod patchhole is parallel to each other
Vertical plane, the left and right face of valve rod patchhole is cammed surface；The bottom of valve rod is in the shape identical with valve rod insertion hole shape；Valve
The top of bar coordinates with nut thread, and the nut is equipped with hand handle；The upper end of valve rod is equipped with spanner；In valve body, below spheroid
Antifriction adjusting pad is set；Nut gland is set on nut；The left end of the valve body is valve body end flanges, and the right-hand member of valve body is valve body
Middle flange, valve body upper end is valve body upper flange；Flange is combined with bonnet in valve body, and binding site is provided with pad；Nut lower section,
Sealing shroud is set between valve rod and valve body；
Assembly method comprises the following steps successively：1）By valve body end flanges down, middle flange places upward；2）Left half valve seat is put
Enter in the valve seat orifice of valve body, be pushed into and completely attached to valve body；3）Load antifriction adjusting pad, make antifriction adjusting pad upper surface to valve body
The distance of center line is equal to the radius of spheroid；4）Left hemisphere is loaded into the valve seat sphere or the conical surface in valve body, bottom is adjusted with antifriction
Whole pad is not interfered, and is fitted like a glove with sealing surface of seat；5）Right hemisphere is loaded in valve body, is contacted with left hemisphere；6）By valve rod
Valve rod is inserted into from valve inner to insert in the hole；7）Bearing pin is fitted into pin shaft hole；7）Right half valve seat is loaded the valve seat orifice of bonnet
It is interior, it is pushed into and is completely attached to valve body；8）Bonnet is connected with valve body, to be coordinated and load onto pad at positioning, fastened；9）By valve body bonnet
It is rotated by 90 °, makes valve body upper flange upward；10）Sealing shroud, nut, nut gland, hand handle, spanner are sequentially loaded into again.
2. the assembly method to bulb separation ball valve according to claim 1, it is characterized in that：Spanner is used to be bonded and connect with valve rod,
And fixed with jump ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710068196.1A CN106763871A (en) | 2017-02-08 | 2017-02-08 | To the assembly method of bulb separation ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710068196.1A CN106763871A (en) | 2017-02-08 | 2017-02-08 | To the assembly method of bulb separation ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106763871A true CN106763871A (en) | 2017-05-31 |
Family
ID=58955377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710068196.1A Pending CN106763871A (en) | 2017-02-08 | 2017-02-08 | To the assembly method of bulb separation ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106763871A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3624804A (en) * | 1970-05-18 | 1971-11-30 | Grove Valve & Regulator Co | Fabricated valve body construction |
| CN101893111A (en) * | 2009-05-21 | 2010-11-24 | 张雄飞 | Expanding type two-way hard sealed spherical valve |
| CN101963240A (en) * | 2009-07-22 | 2011-02-02 | 戴学祥 | Expanding type metal seated ball valve |
| CN102829229A (en) * | 2012-08-03 | 2012-12-19 | 浙江恒森实业集团有限公司 | Small ball valve actuator with one-way ratchet wheel |
| CN104295765A (en) * | 2014-09-26 | 2015-01-21 | 宣达实业集团有限公司 | High-temperature steam valve and assembling method thereof |
| CN105715820A (en) * | 2016-04-28 | 2016-06-29 | 苏州纽威阀门股份有限公司 | Ball valve |
| CN205745424U (en) * | 2016-05-10 | 2016-11-30 | 天津市中核科技实业有限公司 | A kind of ball valve |
-
2017
- 2017-02-08 CN CN201710068196.1A patent/CN106763871A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3624804A (en) * | 1970-05-18 | 1971-11-30 | Grove Valve & Regulator Co | Fabricated valve body construction |
| CN101893111A (en) * | 2009-05-21 | 2010-11-24 | 张雄飞 | Expanding type two-way hard sealed spherical valve |
| CN101963240A (en) * | 2009-07-22 | 2011-02-02 | 戴学祥 | Expanding type metal seated ball valve |
| CN102829229A (en) * | 2012-08-03 | 2012-12-19 | 浙江恒森实业集团有限公司 | Small ball valve actuator with one-way ratchet wheel |
| CN104295765A (en) * | 2014-09-26 | 2015-01-21 | 宣达实业集团有限公司 | High-temperature steam valve and assembling method thereof |
| CN105715820A (en) * | 2016-04-28 | 2016-06-29 | 苏州纽威阀门股份有限公司 | Ball valve |
| CN205745424U (en) * | 2016-05-10 | 2016-11-30 | 天津市中核科技实业有限公司 | A kind of ball valve |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170531 |
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| RJ01 | Rejection of invention patent application after publication |