CN108150670A - A kind of track Stroke Control ball valve - Google Patents
A kind of track Stroke Control ball valve Download PDFInfo
- Publication number
- CN108150670A CN108150670A CN201810158047.9A CN201810158047A CN108150670A CN 108150670 A CN108150670 A CN 108150670A CN 201810158047 A CN201810158047 A CN 201810158047A CN 108150670 A CN108150670 A CN 108150670A
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- Prior art keywords
- spool
- hole
- valve
- cylinder
- main shaft
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- 238000007789 sealing Methods 0.000 claims description 18
- 239000002131 composite material Substances 0.000 claims description 10
- 230000033001 locomotion Effects 0.000 claims description 10
- 230000003028 elevating effect Effects 0.000 claims description 6
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification 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
- F16K5/08—Details
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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
- 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
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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
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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
- F16K5/0647—Spindles or actuating means
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
A kind of track Stroke Control ball valve belongs to the technical field of control valve.Including the valve deck that is fixedly connected and valve body, valve seat, rotation and swing of the spindle element with moving valve inner spool on valve deck are set, are equipped with spool chassis in valve body, spool lower bearing is used to support valve core rotation with swinging, spool with valve seat is close to seal or is detached from unlatching.The stepped ramp type evagination bearing hole of spool chassis and the stepped ramp type indent hole slot tight connecting of spool, ensure the accurate concentricity performance requirement of spool chassis and spool, i.e. spool lower bearing across spool chassis enter spool indent hole slot when, it avoids spool chassis stuck with spool lower bearing and causes spool that cannot rotate, exempt failure and reduce maintenance cost；The setting of the shape and structure of spool lower bearing and spool chassis enables spool more normal use.
Description
Technical field
The invention belongs to the technical fields of control valve, and in particular to a kind of track Stroke Control ball valve.
Background technology
At present, the valve core rotation for controlling ball valve is all by one swing component of setting at the top of spool, passes through the silk on swing component
Bar is rotated and is opened and closed with movable valve plug, and during valve core rotation, spool bottom setting one supports the bearing of its rotation.It is Chinese public
The number of opening is：CN202418636U discloses a kind of IC card flow control valve, and the specially described transmission mechanism includes screw, master
Axis, orbital member, wherein main shaft are connect with wire rod thread, and the orbital member is fixed on valve body or valve deck, is set on orbital member
The through-hole of " 7 " font is equipped with, is fixedly installed axis pin on the main shaft, during main axis by axis pin in " 7 " font through-hole
Limitation realize lifting and rotation or rotation and Enhance Sports, although overcoming some technological deficiencies, set on its spool
Skewed slot coordinates with its main shaft, it is difficult to realize the performance requirement of its description, the structure that in addition the spool bottom support of the structure is related to
Component is more, and technique is cumbersome, and manufacture is of high cost.Chinese publication number：CN107314123A discloses a kind of spool for controlling ball valve and turns
Dynamic device, the spool lower bearing including spool and support valve core rotation, spool bottom setting endoporus, the connection of spool bottom surface
Spool chassis, central shaft bearing bore of the spool chassis center setting with composite surface structure, spool lower bearing top passes through
Central shaft bearing bore and inner hole simultaneously support valve core rotation.Although solve the problems, such as spool support, valve to a certain extent
Deviation is generated when core lower bearing is connect with spool chassis, concentricity is poor, causes spool lower bearing stuck with spool chassis, influences to produce
Product normal use.
Invention content
For the above-mentioned problems in the prior art, present invention aims at provide a kind of track Stroke Control ball valve
Technical solution.
Including the valve deck and valve body being fixedly connected, master is provided among valve deck for a kind of track Stroke Control ball valve
Axle bed is provided with the triple thread screw and main shaft of threaded in spindle drum, orbital member is provided among valve deck and valve body,
The orbital member is equipped with " 7 " font through-hole and is fixed on valve body or valve deck, and axis pin is provided on the main shaft, the axis pin
Opposite side is movably arranged in " 7 " font through-hole, is limited realization lifting during main axis in " 7 " font through-hole by axis pin
With rotation or rotation and elevating movement, spool and valve seat are provided in valve body, spool is connect with spindle drive, and feature exists
In：Inclined plate is fixed or be wholely set in described main shaft one end, and spool top is provided with the first hole, two are plugged in the first hole
The parallel cross bar of root, inclined plate are placed in the hole that two cross bars surround, and spool is transported with the lifting and rotation or rotation and lifting of main shaft
Dynamic drive realization swings and rotates or rotates and roll motion；
The spool bottom is provided with stepped ramp type indent hole slot and is fixedly connected with spool chassis, and spool chassis is provided with stepped ramp type
Evagination bearing hole, stepped ramp type indent hole slot and mutually concave-convex identical, the described stepped ramp type evagination bearing of stepped ramp type evagination bearing hole
Hole inner wall is provided with the composite surface structure for being followed successively by arc surface, the first cylindrical surface and circular conical surface from top to bottom, in the valve body
Portion is provided with bearing fixing groove, which is fixedly connected with spool lower bearing, and spool lower bearing passes through the platform of spool chassis
Rank type evagination bearing hole and the stepped ramp type indent hole slot of spool bottom setting support cooperation and are used to support valve core rotation and swing.
A kind of track Stroke Control ball valve, it is characterised in that the composite surface structure is two and is symmetrical arranged
On the stepped ramp type evagination bearing hole inner wall of spool chassis, i.e., described arc surface, the first cylindrical surface and circular conical surface are two
And be symmetrical arranged, stepped ramp type evagination bearing hole, which is located on the inner wall of composite surface both sides, also sets up that there are four identical plane and two
The second identical cylindrical surface；The spool lower bearing includes being fixedly connected from top to bottom or integrally formed flat sphere, the
One cylinder and the second cylinder；The plane of the stepped ramp type evagination bearing hole and the second cylindrical surface structure are flat with flat sphere
Plane and sphere face kissing merge supports support valve core rotation and swing for guiding spool lower bearing across spool chassis.
A kind of track Stroke Control ball valve, it is characterised in that be symmetrical arranged before and after the flat horizontal surface of the flat sphere
There are two, the spacing of two flat horizontal surfaces is identical with the diameter of the first cylinder, and the diameter of flat sphere is more than the first cylinder
Diameter, the diameter of flat sphere is simultaneously less than the diameter of the second cylinder；It is set on the stepped ramp type evagination bearing hole inner wall
On same cylinder, the diameter of the cylinder where two first cylindrical surfaces is more than the first cylinder on two the first cylindrical surfaces
Diameter, and the diameter of the cylinder where two first cylindrical surfaces be less than flat sphere sphere face diameter；Described
For two arc surfaces set on rank type evagination bearing hole inner wall in same spherical surface body, the diameter of the spherical surface body and flat sphere are straight
Diameter is equal.
A kind of track Stroke Control ball valve, it is characterised in that the main shaft leash movable valve plug and spool chassis
Swinging makes the lower peripheral surface of flat sphere and arc surface snug fit and holds limiting spool, except spool lower bearing penetrates spool
Outside the initial position of the stepped ramp type evagination bearing hole on chassis.
A kind of track Stroke Control ball valve, it is characterised in that through-hole is provided in the middle part of the spool, in through-hole
Side be integrally formed and be provided with circular arc body for closing seam, be provided with to assist in the opposite side integrated molding of through-hole
The third cylinder of circular arc body processing.
A kind of track Stroke Control ball valve, it is characterised in that the main shaft leash movable valve plug swings and makes
The circular arc body is sealed or is mutually disengaged with seat compression, and the excircle of the valve seat is equipped with the first seal groove, valve seat
Inner periphery is equipped with the second seal groove, and first seal groove embeds the first sealing ring, and second seal groove embeds second
Sealing ring, the valve seat is opened and closed by the second sealing ring and spool to be coordinated.
A kind of track Stroke Control ball valve, it is characterised in that second seal groove for several planes enclose and
Into hooked structure, the opening width of second seal groove is less than the line footpath of the second sealing ring.
A kind of track Stroke Control ball valve, it is characterised in that the cross bar is cylindrical and rotatable grafting
In the first hole.
A kind of track Stroke Control ball valve, it is characterised in that first cylinder is connect with the second cylinder
Place is provided with rib.
A kind of track Stroke Control ball valve, it is characterised in that the spool chassis is screwed with spool
Connection, the spindle nose are fixed with three line inner thread pieces, and triple thread screw is connect with main shaft threaded engagement, and main shaft is arranged
Collar bush, collar bush are fixed on valve deck, and the three line inner thread pieces are copper alloy part with collar bush.
Said program has the following technical effect that：
The stepped ramp type evagination bearing hole of spool chassis and the stepped ramp type indent hole slot tight connecting of spool ensure spool chassis and valve
The accurate concentricity performance requirement of core, i.e. spool lower bearing across spool chassis enter spool indent hole slot when, avoid spool bottom
Disk is stuck with spool lower bearing and causes spool that cannot rotate, and exempts failure and reduces maintenance cost；Spool lower bearing and spool
The shape and structure setting on chassis, coordinates with reference to inclined plate and beam contact, spool lower bearing is made to support support valve across spool chassis
The rotation and swing of core, i.e. spool closed impaction valve seat reach sealing or spool open during hold spool be unlikely to by
Spindle element, which is pulled away from original position, influences normal use.
Description of the drawings
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is the valve core structure schematic diagram of the present invention；
Fig. 3 is the spool chassis structure diagram of the present invention；
Fig. 4 is another structure diagram of Fig. 3；
Fig. 5 is the spool lower bearing structure diagram of the present invention；
Fig. 6 is the spindle element structure diagram of the present invention；
Fig. 7 is another structure diagram of Fig. 6；
Fig. 8 is the orbital member structure diagram of the present invention；
Fig. 9 is valve seat construction schematic diagram.
In attached drawing：1st, spool；2nd, valve seat；3rd, spool chassis；4th, spool lower bearing；5th, spindle drum；6th, valve body；7th, track
Part；71st, " 7 " font through-hole；8th, valve deck；9th, main shaft；91st, collar bush；92nd, axis pin；93rd, inclined plate；10th, triple thread screw；11、
Third cylinder；12nd, circular arc body；13rd, stepped ramp type indent hole slot；14th, through-hole；15th, the first hole；16th, cross bar；17th, bearing is fixed
Slot；21st, the second sealing ring；22nd, the first sealing ring；2nd, the second seal groove；31st, stepped ramp type evagination bearing hole；32nd, arc surface；33、
First cylindrical surface；34th, circular conical surface；35th, plane；36th, the second cylindrical surface；41st, flat sphere；42nd, the first cylinder；43rd, strengthen
Portion；44th, the second cylinder；45th, flat horizontal surface.
Specific embodiment
Below in conjunction with attached drawing the invention will be further described explain.
As shown in figs 1-9, a kind of track Stroke Control ball valve, including the valve deck 8 that is fixedly connected and valve body 6, among valve deck 8
Spindle drum 5 is provided with, the triple thread screw 10 of threaded and main shaft 9 are provided in spindle drum 5, spindle drum 5 is by corresponding
Bearing supporting spindle 9 is moved up and down and is horizontally rotated, and 9 end of main shaft is fixed with three line inner thread pieces, triple thread silk
Bar 10 is connect with 9 threaded engagement of main shaft, and 9 sets of main shaft is arranged in main shaft 9, and 9 sets of main shaft is fixed on valve deck 8, spiral shell in three lines
9 sets with main shaft of line part is wear-resisting copper alloy part.Orbital member 7 is provided among valve deck 8 and valve body 6, which is equipped with
" 7 " font through-hole 71 is simultaneously fixed on valve body 6 or valve deck 8, and axis pin 92 is provided on the main shaft 9, the axis pin 92 it is another
Side is movably arranged in " 7 " font through-hole 71, and reality is limited in " 7 " font through-hole 71 by axis pin 92 when main shaft 9 rotates
Now lifting and rotation or rotation and elevating movement.Spool 1 and valve seat 2 are provided in valve body 6, spool 1 connects with the transmission of main shaft 9
It connects, inclined plate 93 is fixed or be wholely set in described 9 one end of main shaft, and 1 top of spool is provided with the first hole 15, in the first hole 15
Be plugged with two parallel cross bars 16, inclined plate 93 is placed in the hole that two cross bars 16 surround, the cross bar 16 for it is cylindrical simultaneously
It is rotatably plugged in the first hole 15, the two sides of inclined plate 93 tightly againsts cross bar 16, when main shaft 9 lifts, due to inclined plate
The frictional force on 93 inclined-planes and cross bar 16 can pull or compress cross bar 16.When specially spool 1 is closed, external retarder drives three
Line threaded screw rod 10 rotates, i.e., main shaft 9 also and then rotates, and axis pin 92 is rotated along the transverse holes direction of " 7 " font through-hole 71, directly
Stopping to being rotated by 90 °, inclined plate 93 also rotates 90 degree, and two-sided due to inclined plate 93 respectively supports a cross bar 16, inclined plate 93
90 degree are rotated with movable valve plug 1 simultaneously, the limitation in the vertical hole direction of " 7 " font through-hole 71, triple thread screw 10 is rotated further
When, main shaft 9 can be moved downward along the vertical hole direction of " 7 " font through-hole 71, and inclined plate 93 can compress a cross bar 16, make
Spool 1 is slightly tilted, and ensures the sealing performance between spool 1 and valve seat 2, i.e. spool 1 is realized with the rotation of main shaft 9 and elevating movement
It moves horizontally and rotational motion；When spool 1 is opened, external retarder reversely drives triple thread screw 10 to rotate, and main shaft 9 can edge
The vertical hole direction for " 7 " font through-hole 71 moves upwards, at this point, spool 1 rotates back to just, until " 7 " font through-hole 71 is perpendicular
To hole direction to top, i.e., axis pin 92 rises to top along the vertical hole direction of " 7 " font through-hole 71, and triple thread screw 10 continues
It rotating backward, main shaft 9, axis pin 92 are moved horizontally further along the transverse holes of " 7 " font through-hole 71 by 90 degree of directions, until stop,
Due to effect of the inclined plate 93 to wherein one cross bar 16, inclined plate 93 rotates backward 90 degree with movable valve plug 1 simultaneously, i.e., spool 1 is with master
Lifting and rotation or the drive of rotation and the elevating movement realization of axis 9 swing and rotate or rotates and roll motion；
Since the rotation of spool 1 needs the support of bottom, 1 bottom of spool is provided with stepped ramp type indent hole slot 13
And spool chassis 3 is fixedly connected with, spool chassis 3 is provided with stepped ramp type evagination bearing hole 31, stepped ramp type indent hole slot 13 and step
Type evagination bearing hole 31 is mutually concave-convex to coincide, and ensures spool chassis 3 and spool 1 concentricity always.
31 inner wall of stepped ramp type evagination bearing hole is provided with is followed successively by arc surface 32, the first cylindrical surface 33 from top to bottom
With the composite surface structure of circular conical surface 34, the composite surface structure is two and is symmetricly set on outside the stepped ramp type of spool chassis 3
On 31 inner wall of protruding shaft bearing bore, i.e., described arc surface 32, the first cylindrical surface 33 are two with circular conical surface 34 and are symmetricly set on
In stepped ramp type evagination bearing hole 31, stepped ramp type evagination bearing hole 31, which is located on the inner wall of composite surface both sides, to be also set up there are four identical
Second cylindrical surface 36 identical with two of plane 35；The valve body 6 is internally provided with bearing fixing groove 17, which fixes
Slot 17 is fixedly connected with 1 lower bearing of spool, and 1 lower bearing of spool passes through the stepped ramp type evagination bearing hole 31 of spool chassis 3 and 1 bottom of spool
The stepped ramp type indent hole slot 13 of portion's setting, which supports cooperation and is used to support spool 1, to be rotated and swings.1 lower bearing of spool includes
It is fixedly connected from top to bottom or integrally formed flat sphere 41, the first cylinder 42 and the second cylinder 44；The stepped ramp type
35 and second cylindrical surface of plane, 36 structure of evagination bearing hole 31 merges use with the flat horizontal surface 35 and spherical surface kissing of flat sphere 41
Support spool 1 is supported in guiding 1 lower bearing of spool across spool chassis 3 to rotate and swing.The flat horizontal surface of the flat sphere 41
Corresponding with plane 35 there are two being symmetrical arranged before and after 35, the spacing of two flat horizontal surfaces 35 is identical with the diameter of the first cylinder 42,
The diameter of flat sphere 41 is more than the diameter of the first cylinder 42, and the diameter of flat sphere 41 is simultaneously less than the second cylinder 44
Diameter；Two the first cylindrical surfaces 33 set on 31 inner wall of stepped ramp type evagination bearing hole are on same cylinder, this two
The diameter of cylinder where first cylindrical surface 33 is more than the diameter of the first cylinder 42, and this two 33 institutes of the first cylindrical surface
Cylinder diameter be less than flat sphere 41 diameter；Two circles set on 31 inner wall of stepped ramp type evagination bearing hole
In same spherical surface body, the diameter of the spherical surface body is equal cambered surface 32 with flat 41 diameter of sphere.The flat horizontal surface 35 of 1 lower bearing of spool
Spool chassis 3 can be entered along plane 35, slightly rotate an angle, i.e. the flat horizontal surface 35 of 1 lower bearing of spool has with plane 35
Certain angle, 1 lower bearing of spool can pull the process of spool 1 in main shaft 9, are unlikely to spool 1 and change position, i.e., except spool
1 lower bearing is penetrated outside the initial position of stepped ramp type evagination bearing hole 31 of spool chassis 3, the 9 leash movable valve plug 1 of main shaft
Swinging with spool chassis 3 makes the lower peripheral surface of flat sphere 41 and 32 snug fit of arc surface and holds limiting spool 1.It is described
The middle part of spool 1 be provided with through-hole 14, the circular arc body 12 being provided with for closing seam is integrally formed in the side of through-hole 14,
The opposite side integrated molding of through-hole 14 is provided with the third cylinder 11 processed for auxiliary circular arc body 12, and the main shaft 9 is led
Leader tape movable valve plug 1, which swings, makes the circular arc body 12 compress sealing with valve seat 2 or be mutually disengaged, outside the valve seat 2
Circumference is equipped with the first seal groove, and the inner periphery of valve seat 2 is equipped with the second seal groove 2, and first seal groove embeds the first sealing
Circle 22, second seal groove 2 embeds the second sealing ring 21, and the valve seat 2 is opened and closed by the second sealing ring 21 with spool 1
Cooperation.The hooked structure that second seal groove 2 is formed for the enclosing of several planes 35, the opening of second seal groove 2
Width is less than the line footpath of the second sealing ring 21.First cylinder 42 and 44 junction of the second cylinder is provided with rib
43.The spool chassis 3 is fixed by screws with spool 1.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar can understand present disclosure and be implemented, and it is not intended to limit the scope of the present invention, all according to the present invention
The equivalent change or modification that Spirit Essence is made should all cover within the scope of the present invention.
Claims (10)
1. including valve deck (8) and the valve body (6) being fixedly connected, master is provided among valve deck (8) for a kind of track Stroke Control ball valve
Axle bed (5), the interior triple thread screw (10) for being provided with threaded of spindle drum (5) and main shaft (9), in valve deck (8) and valve body
(6) intermediate to be provided with orbital member (7), the orbital member (7) is equipped with " 7 " font through-hole (71) and is fixed on valve body (6) or valve deck
(8) on, axis pin (92) is provided on the main shaft (9), the opposite side of the axis pin (92) is movably arranged on " 7 " font through-hole
(71) in, realization lifting and rotation is limited in " 7 " font through-hole (71) by axis pin (92) when main shaft (9) rotates or is turned
Dynamic and elevating movement, valve body (6) is interior to be provided with spool (1) and valve seat (2), and spool (1) is sequentially connected with main shaft (9), feature
It is：Inclined plate (93) is fixed or be wholely set in described main shaft (9) one end, and spool (1) top is provided with the first hole (15),
Two parallel cross bars (16) are plugged in first hole (15), inclined plate (93) is placed in the hole that two cross bars (16) surround, spool
(1) it swings and rotates or rotate and control with the lifting and rotation of main shaft (9) or the drive of rotation and elevating movement realization
Pendulum motion；
Described spool (1) bottom is provided with stepped ramp type indent hole slot (13) and is fixedly connected with spool chassis (3), spool chassis
(3) stepped ramp type evagination bearing hole (31) is provided with, stepped ramp type indent hole slot (13) is mutually recessed with stepped ramp type evagination bearing hole (31)
Convex to coincide, described stepped ramp type evagination bearing hole (31) inner wall is provided with is followed successively by arc surface (32), the first cylinder from top to bottom
Face (33) and the composite surface structure of circular conical surface (34), the valve body (6) are internally provided with bearing fixing groove (17), which consolidates
Determine slot (17) and be fixedly connected with spool (1) lower bearing, spool (1) lower bearing passes through the stepped ramp type evagination bearing hole of spool chassis (3)
(31) cooperation is supported with the stepped ramp type indent hole slot (13) of spool (1) bottom setting to be used to support spool (1) rotation and swing.
2. a kind of track Stroke Control ball valve as described in claim 1, it is characterised in that：The composite surface structure is two
And it is symmetricly set on stepped ramp type evagination bearing hole (31) inner wall of spool chassis (3), i.e., described arc surface (32), the first circle
Cylinder (33) is two with circular conical surface (34) and is symmetrical arranged, and stepped ramp type evagination bearing hole (31) is in composite surface both sides
Identical plane (35) second cylindrical surface (36) identical with two there are four being also set up on wall；Described spool (1) lower bearing
Including being fixedly connected from top to bottom or integrally formed flat sphere (41), the first cylinder (42) and the second cylinder (44)；
The plane (35) and the second cylindrical surface (36) structure of the stepped ramp type evagination bearing hole (31) and the flat horizontal surface of flat sphere (41)
(35) and sphere face kissing merge for guide spool (1) lower bearing across spool chassis (3) support support spool (1) rotate with
It swings.
3. a kind of track Stroke Control ball valve as claimed in claim 2, it is characterised in that：The flat sphere (41) it is flat
There are two being symmetrical arranged before and after face (35), the spacing of two flat horizontal surfaces (35) is identical with the diameter of the first cylinder (42), flat
The diameter of sphere (41) is more than the diameter of the first cylinder (42), and the diameter of flat sphere (41) is simultaneously less than the second cylinder
(44) diameter；Two the first cylindrical surfaces (33) set on stepped ramp type evagination bearing hole (31) inner wall are in same cylinder
On, the diameter of the cylinder where two first cylindrical surfaces (33) is more than the diameter of the first cylinder (42), and this two
The diameter of cylinder where first cylindrical surface (33) is less than the sphere face diameter of flat sphere (41)；The outer protruding shaft of the stepped ramp type
Two arc surfaces (32) set on bearing bore (31) inner wall are in same spherical surface body, the diameter of the spherical surface body and flat sphere (41)
Diameter is equal.
4. a kind of track Stroke Control ball valve as claimed in claim 3, it is characterised in that：Main shaft (9) traction drives
Spool (1) swings with spool chassis (3) to be made the lower peripheral surface of flat sphere (41) and arc surface (32) snug fit and holds
Spool (1) is limited, in addition to spool (1) lower bearing penetrates the initial position of stepped ramp type evagination bearing hole (31) of spool chassis (3).
5. a kind of track Stroke Control ball valve as described in claim 1-4 is any, it is characterised in that：In the spool (1)
Portion is provided with through-hole (14), and the circular arc body (12) being provided with for closing seam is integrally formed in the side of through-hole (14), logical
The opposite side integrated molding in hole (14) is provided with the third cylinder (11) processed for auxiliary circular arc body (12).
6. a kind of track Stroke Control ball valve as claimed in claim 5, it is characterised in that：Main shaft (9) traction drives
Spool (1), which swings, makes the circular arc body (12) compress sealing with valve seat (2) or be mutually disengaged, the valve seat (2)
Excircle is equipped with the first seal groove, and the inner periphery of valve seat (2) is equipped with the second seal groove (2), and first seal groove embeds the
One sealing ring (22), second seal groove (2) embed the second sealing ring (21), and the valve seat (2) passes through the second sealing
It encloses (21) and is opened and closed with spool (1) and coordinated.
7. a kind of track Stroke Control ball valve as claimed in claim 6, it is characterised in that：Second seal groove (2) is
Several planes (35) enclose the hooked structure formed, and the opening width of second seal groove (2) is less than the second sealing ring
(21) line footpath.
8. a kind of track Stroke Control ball valve as described in claim 1, it is characterised in that the cross bar (16) is cylinder
And it is rotatably plugged in the first hole (15).
9. a kind of track Stroke Control ball valve as claimed in claim 2 or claim 3, it is characterised in that：First cylinder
(42) the second cylinder (44) junction is provided with rib (43).
10. a kind of track Stroke Control ball valve as described in claim 1, it is characterised in that：The spool chassis (3) and valve
Core (1) is fixed by screws, and the main shaft (9) end is fixed with three line inner thread pieces, triple thread screw (10) with
Main shaft (9) threaded engagement connects, and main shaft (9) is arranged main shaft (9) and covers, and main shaft (9) set is fixed on valve deck (8), three lines
Inner thread piece is copper alloy part with main shaft (9) set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810158047.9A CN108150670A (en) | 2018-02-25 | 2018-02-25 | A kind of track Stroke Control ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810158047.9A CN108150670A (en) | 2018-02-25 | 2018-02-25 | A kind of track Stroke Control ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108150670A true CN108150670A (en) | 2018-06-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810158047.9A Pending CN108150670A (en) | 2018-02-25 | 2018-02-25 | A kind of track Stroke Control ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108150670A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109458468A (en) * | 2018-12-25 | 2019-03-12 | 成都中科智成科技有限责任公司 | A kind of novel orbit ball valve without the driving of frictional micro machine |
| CN112963645A (en) * | 2021-03-17 | 2021-06-15 | 西南石油大学 | Pipeline corrosion measuring device |
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| CN109458468A (en) * | 2018-12-25 | 2019-03-12 | 成都中科智成科技有限责任公司 | A kind of novel orbit ball valve without the driving of frictional micro machine |
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| CN112963645A (en) * | 2021-03-17 | 2021-06-15 | 西南石油大学 | Pipeline corrosion measuring device |
| CN112963645B (en) * | 2021-03-17 | 2022-02-01 | 西南石油大学 | Pipeline corrosion measuring device |
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