CN109340405A - A kind of electric up-down rotary spool triple valve - Google Patents
A kind of electric up-down rotary spool triple valve Download PDFInfo
- Publication number
- CN109340405A CN109340405A CN201811458191.0A CN201811458191A CN109340405A CN 109340405 A CN109340405 A CN 109340405A CN 201811458191 A CN201811458191 A CN 201811458191A CN 109340405 A CN109340405 A CN 109340405A
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- valve
- spool
- turbine
- hole
- worm
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- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims description 10
- 238000005516 engineering process Methods 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 238000005235 decoking Methods 0.000 abstract description 8
- 238000010926 purge Methods 0.000 abstract description 8
- 238000010586 diagram Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 241000237858 Gastropoda Species 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004939 coking Methods 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000037237 body shape Effects 0.000 description 1
- 230000005611 electricity Effects 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
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/08—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks
- F16K11/083—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks with tapered plug
- F16K11/0833—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks with tapered plug having all the connecting conduits situated in a single plane perpendicular to the axis of the 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
- F16K31/041—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor for rotating valves
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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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
- F16K31/041—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor for rotating valves
- F16K31/043—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor for rotating valves characterised by mechanical means between the motor and the valve, e.g. lost motion means reducing backlash, clutches, brakes or return 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/50—Mechanical actuating means with screw-spindle or internally threaded actuating means
- F16K31/502—Mechanical actuating means with screw-spindle or internally threaded actuating means actuating pivotable valve members
-
- 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/53—Mechanical actuating means with toothed gearing
- F16K31/535—Mechanical actuating means with toothed gearing for rotating valves
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
A kind of electric up-down rotary spool triple valve, including electric drive combination, turbine worm reducer structure, bindiny mechanism, drive lead screw, three-way valve, pin shaft；The lower trapezoid nut of upper trapezoid nut and bindiny mechanism in drive lead screw and turbine worm reducer structure cooperates, realize three valve ports and meanwhile be connected to, primary valve is connected to left valve port, primary valve is connected to three kinds of states with right valve port；High steam is connected by primary valve, ice-melt can be purged to the hydraulic decoking pipeline of left and right valve port connection simultaneously, or the hydraulic decoking pipe that changeover valve individually connects left valve port or right valve port purges ice-melt, solves the problems, such as to use external steam purging dredging icing line operation cumbersome in the past；The advantages of promotion rotary spool structure of this electric T-shaped valve simultaneously, spool be in promotion state when rotation, and spool and spool chamber do not generate friction, therefore light, reliable with rotation, valve long service life；The cooperation circular conical surface of spool and spool chamber simultaneously, ensure that the leakproofness of valve.
Description
Technical field
The present invention relates to the valve technology fields of petrochemical industry delayed coking system hydraulic decoking high pressure water circuit, and in particular to
A kind of electric up-down rotary spool triple valve of high pressure water circuit ice blockage is solved the problems, such as cold district.
Background technique
Known, the existing valve for petrochemical industry delayed coking system hydraulic decoking high pressure water circuit is two-way valve
Door, when being applied to cold district, high pressure water circuit, which is easy to freeze, causes pipeline to block；To solve this problem, outside is generallyd use
The method of steam blowing dredges icing pipeline, operates very cumbersome.
Summary of the invention
In order to overcome the shortcomings in the background art, the invention discloses a kind of electric up-down rotary spool triple valve, this three
Port valve have primary valve and left and right valve port, it can be achieved that three valve ports at the same be connected to, primary valve is connected to left valve port, primary valve and right
Valve port is connected to three kinds of states；By primary valve connect high steam, can simultaneously to left and right valve port connection hydraulic decoking pipeline into
The hydraulic decoking pipe that row purging ice-melt or changeover valve individually connect left valve port or right valve port carries out purging ice-melt, solves
The previous problem cumbersome using external steam purging dredging icing line operation；This electric T-shaped valve is using promotion rotary valve simultaneously
Cored structure, when rotary spool, spool and spool chamber do not generate friction, therefore have light, reliable, the valve long service life of rotation
The advantages of.
In order to realize the goal of the invention, the present invention adopts the following technical scheme: a kind of electric up-down rotary spool threeway
Valve, including electric drive combination, turbine worm reducer structure, bindiny mechanism, drive lead screw, three-way valve, pin shaft；It is described electronic
Driving combination includes Vidacare corp, connector sleeve；The turbine worm reducer structure include turbine, worm screw, upper trapezoid nut,
Bearing, turbine and worm case, turbine and worm case end cap；The turbine and worm case is the barrel-shaped of upper end opening, and bottom is provided with logical
Hole, side wall are provided with worm screw chamber；Threaded hole is provided among the turbine, turbine is arranged in the cavity of turbine and worm case, leads to
Cross bearing support；The worm screw is arranged in the worm screw chamber of turbine and worm case, and worm screw is intermeshed with turbine；The upper trapezoid spiral shell
Mother is the cannula-like that lower part has step, and centre is trapezoidal thread, and outside is regular screw threads, and upper trapezoid nut is arranged in turbine
Between threaded hole in, connected by junction of the edges of two sheets of paper screw；The turbine and worm case end cap is arranged in turbine and worm upper box part, passes through screw
It is connect with turbine and worm case；The turbine worm reducer structure is connect by connector sleeve with Vidacare corp, and turbine and worm subtracts
The worm screw of fast mechanism is electrically driven device driving rotation；The bindiny mechanism includes lower trapezoid nut, connecting shaft, connection branch
Frame, limit shaft；The connecting bracket is the short tube shape that upper/lower terminal has connecting flange, be provided on tube wall limit axis hole and
Pin shaft assembly technology hole；The connecting shaft is the short axle that upper/lower terminal is provided with blind hole, and upper end blind hole is threaded hole, and lower end is blind
Hole is unthreaded hole, and radial pin shaft hole is provided on unthreaded hole hole wall, and imperfect cricoid limit is additionally provided on the periphery of connecting shaft
Slot, limiting slot have thrust surface A and thrust surface B；The connecting shaft is arranged in the hole of connecting bracket；The limit shaft is short circle
Axis is arranged in the limit axis hole of connecting bracket, and limit shaft inner face insertion connecting shaft limiting slot in, limit shaft with connect
Bracket is welded to connect；The lower trapezoid nut structure is identical as upper trapezoid nut structure, intermediate trapezoidal thread rotation direction and upper ladder
Shape nut on the contrary, lower trapezoid nut is arranged in the threaded hole of connecting shaft upper end, by junction of the edges of two sheets of paper screw with connect axis connection；It is described
The lower part of turbine worm reducer structure is arranged in bindiny mechanism, connecting flange bolt and turbine snail by connecting bracket upper end
The connection of bar deceleration mechanism；The drive lead screw is the short axle that centre is provided with the shaft shoulder, and upper/lower terminal is oppositely oriented trapezoidal spiral shell
Line, drive lead screw upper end are arranged in the threaded hole of upper trapezoid nut, and lower end is arranged in the threaded hole of lower trapezoid nut；It is described
Three-way valve includes valve body, spool, valve deck, valve rod；The valve body shape is short cylindrical shape, and centre is the spool of inverted cone-shaped shape
Chamber, spool chamber top are stepped hole, and valve body is additionally provided with the primary valve communicated with spool chamber, left valve port, right valve port；The spool
For inverted cone-shaped, it is provided with interconnected main valve plug mouth, left spool mouth, right spool mouth in spool, spool top is additionally provided with
Cylindric valve rod, valve rod top are provided with radial pin shaft hole, and spool is integrated with valve rod；The valve of valve body is arranged in spool
In core cavity, valve rod upper end is arranged in the unthreaded hole of connecting shaft lower end, and valve rod is connect with connecting shaft by pin shaft；The valve deck is band
There is the disk-shaped of step, centre is provided with valve rod hole, and valve deck setting passes through the valve rod hole among valve deck in valve body top, valve rod,
Valve deck is bolted with valve body；The three-way valve is arranged in bindiny mechanism lower part, passes through valve deck and connecting bracket lower end
Connecting flange be connected with.
Preferably, it is provided with guidance tape and valve rod leak-proof structure between the valve rod and valve deck, guarantees valve rod in valve deck
While moving up and down, rotate in valve rod hole, there are also good sealing performances；
Preferably, it is provided with guide ring between the connecting shaft and connecting bracket, guarantees connecting shaft in connecting bracket hole smoothly
Frictional force is small when moving up and down, rotating；
Preferably, the valve deck and valve body are provided with sealing ring, guarantee the leakproofness between valve deck and valve body；
Preferably, valve port connector A, primary valve end face and valve port connector has been bolted in valve body primary valve end face
Sealing ring sealing is provided between A；
Preferably, the left valve port, right valve port are by being welded and connected with valve port connector B；
Preferably, the electric drive combination settings can be manually rotated wheel, when the motor of electric drive combination goes wrong or goes out
When existing power blackout situation, it can be used and can be manually rotated wheel manipulation valve.
Due to the adoption of the technical scheme as described above, the invention has the following beneficial effects: a kind of electricity disclosed by the invention
Dynamic lifting rotation valve core three-way valve has primary valve and left and right valve port, it can be achieved that three valve ports while being connected to, primary valve and left valve
Mouth connection, primary valve are connected to three kinds of states with right valve port；High steam is connected by primary valve, left and right valve port can be connected simultaneously
The hydraulic decoking pipeline connect carry out hydraulic decoking pipe that purging ice-melt or changeover valve individually connect left valve port or right valve port into
Row purging ice-melt solves the problems, such as to use external steam purging dredging icing line operation cumbersome in the past；Simultaneously this electronic three
Port valve is using rotary spool structure is promoted, and when rotary spool, spool and spool chamber do not generate friction, thus have rotation it is light,
Reliably, the advantages of valve long service life；The cooperation circular conical surface of spool and spool chamber simultaneously, also ensures the leakproofness of valve.
Detailed description of the invention
Fig. 1 is electric up-down rotary spool triple valve structural schematic diagram；
Fig. 2 is electric up-down rotary spool triple valve schematic diagram；
Fig. 3 is section A schematic diagram；
Fig. 4 is three valve port connected state schematic diagrames；
Fig. 5 is primary valve and left valve port connected state schematic diagram；
Fig. 6 is primary valve and right valve port connected state schematic diagram.
1, in figure: electric drive combination；101, Vidacare corp；102, connector sleeve；103, it can be manually rotated wheel；2, turbine
Worm gear box；201, turbine；202, worm screw；203, upper trapezoid nut；204, bearing；205, turbine and worm case；206, whirlpool
Worm and gear case end cap；3, bindiny mechanism；301, lower trapezoid nut；302, connector；303, connecting bracket；304, limit shaft；4,
Drive lead screw；5, three-way valve；501, valve body；5011, primary valve；5012, left valve port；5013, right valve port；502, spool；
5021, main valve plug mouth；5022, left spool mouth；5023, right spool mouth；503, valve deck；504, valve rod；6, pin shaft；7, valve stem seal
Structure；8, guidance tape；9, sealing ring；10, valve port connector A；11, valve port connector B；12, guide ring.
Specific embodiment
By the following examples can the detailed explanation present invention, the open purpose of the present invention is intended to protect model of the present invention
Enclose all interior technological improvements.
A kind of electric up-down rotary spool triple valve, including electric drive combination 1, turbine worm reducer structure 2, connection machine
Structure 3, drive lead screw 4, three-way valve 5, pin shaft 6；The electric drive combination 1 includes Vidacare corp 101, connector sleeve 102；
The turbine worm reducer structure 2 include turbine 201, worm screw 202, upper trapezoid nut 203, bearing 204, turbine and worm case 205,
Turbine and worm case end cap 206；The turbine 201 is arranged in the cavity of turbine and worm case 205, is supported by bearing 204；It is described
Worm screw 202 is arranged in the worm screw chamber of turbine and worm case 205, and worm screw 202 is intermeshed with turbine 201；The upper trapezoid nut
203 are arranged in the threaded hole among turbine 201, connect transmission torque by junction of the edges of two sheets of paper screw；The turbine and worm case end cap 206
It is arranged on 205 top of turbine and worm case, is connect by screw with turbine and worm case 205；The Vidacare corp 101 passes through company
Female connector 102 is connect with turbine worm reducer structure 2, and worm screw 202 is electrically driven the driving rotation of device 101；The bindiny mechanism 3
Including lower trapezoid nut 301, connecting shaft 302, connecting bracket 303, limit shaft 304；The connecting shaft 302 is arranged in connecting bracket
In 303 hole；The limit shaft 304 is arranged in the limit axis hole of connecting bracket 303, and the insertion of 304 inner face of limit shaft connects
In the limiting slot of spindle 302, limit shaft 304 and connecting bracket 303 are welded to connect；The setting of lower trapezoid nut 301 is connecting
In the threaded hole of 302 upper end of axis, transmission torque is connect with connecting shaft 302 by junction of the edges of two sheets of paper screw；The bindiny mechanism 3 is arranged in whirlpool
The lower part of worm and gear deceleration mechanism 2 is connect by the connecting flange of 303 upper end of connecting bracket with turbine worm reducer structure 2；Institute
Stating 4 upper end of drive lead screw is dextrorotation trapezoidal thread, and lower end is left-handed trapezoidal thread, and 4 upper end of drive lead screw is arranged in upper trapezoid spiral shell
In the threaded hole of mother 203, lower end is arranged in the threaded hole of lower trapezoid nut 301；The three-way valve 5 includes valve body 501, valve
Core 502, valve deck 503, valve rod 504；The spool 502 is integrated with valve rod 504；Valve body 501 is arranged in spool 502
In spool chamber, 504 upper end of valve rod is arranged in the unthreaded hole of 302 lower end of connecting shaft, and valve rod 504 is connected with connecting shaft 302 by pin shaft 6
It connects；On 501 top of valve body, valve rod 504 passes through the valve rod hole among valve deck 503, valve deck 503 and valve body for the setting of valve deck 503
501 are bolted；The three-way valve 5 is arranged in 3 lower part of bindiny mechanism, passes through valve deck 503 and 303 lower end of connecting bracket
Connecting flange be connected with；Guidance tape 8 and valve rod leak-proof structure 7 are provided between the valve rod 504 and valve deck 503；Institute
It states and is provided with guide ring 12 between connecting shaft 302 and connecting bracket 303；The valve deck 503 is provided with sealing ring 9 with valve body 501；
Valve port connector A10 has been bolted in 501 primary valve of valve body, 5011 end face, and 5011 end face of primary valve is connect with valve port
Sealing ring is provided between body A10；The left spool mouth 5022, right spool mouth 5023 are by being welded and connected with valve port connector
B11；The electric drive combination 1, which is provided with, can be manually rotated wheel 103.
Electric up-down rotary spool triple valve of the present invention is in normal operating conditions, primary valve 5011, left valve port
5012, right valve port 5013 is in connected state, at this time the main valve plug mouth 5021 of spool 502 be connected to primary valve 5011, left spool
Mouth 5022 is connected to left valve port 5012, right spool mouth 5023 is connected to right valve port 5013, while spool 502 is in promotion state,
Spool 502 is separated with the spool chamber of valve body 501；Meanwhile the lower end surface of 4 shaft shoulder upper surface of drive lead screw and upper trapezoid nut 203,
4 shaft shoulder lower end surface of drive lead screw and the upper end surface of lower trapezoid nut 301 are in contact locking state.
When electric up-down rotary spool triple valve need to be transformed into the state that primary valve 5011 is communicated with left valve port 5012, snail
Bar 202 is electrically driven the driving rotation of device 101, and worm screw 202 drives turbine 201 to rotate clockwise, at this time 4 shaft shoulder of drive lead screw
The upper end surface of the lower end surface of upper surface and upper trapezoid nut 203,4 shaft shoulder lower end surface of drive lead screw and lower trapezoid nut 301 in
Locking state is contacted, so turbine rotation is through upper trapezoid nut 203, drive lead screw 4, lower trapezoid nut 301, connecting shaft 302, valve
Bar 504 is transmitted to spool 502, and spool 502 rotates clockwise；Connecting shaft 302 rotates clockwise, to thrust surface B3022 and limit
When axis 304 contacts, connecting shaft 302 can not continue to rotate clockwise, and drive lead screw 4 continues to rotate clockwise at this time, can overcome biography
The frictional force of the upper end face contact locking state of dynamic 4 shaft shoulder lower end surface of screw rod and lower trapezoid nut 301,301 meeting of lower trapezoid nut
It moves downward, band movable valve plug 502 moves downward, and until spool 502 is contacted with the spool chamber of valve body 501, completion electric up-down revolves
The connection of rotary plate triple valve primary valve 5011 and left valve port 5012.
When electric up-down rotary spool triple valve need to be converted into leading from the state that primary valve 5011 is communicated with left valve port 5012
When the state that valve port 5011, left valve port 5012, right valve port 5013 communicate, worm screw 202 is electrically driven the driving rotation of device 101,
Worm screw 202 drives turbine 201 to rotate counterclockwise, at this time at the lower end surface of 4 shaft shoulder upper surface of drive lead screw and upper trapezoid nut 203
In contact locking state, and spool is in lowest positions, so drive lead screw 4 can be rotated counterclockwise with turbine 201,
Drive lead screw 4 can be such that lower trapezoid nut 301 moves upwards counterclockwise, and final band movable valve plug 502 moves upwards, spool 502 with
The spool chamber of valve body 501 separates；Lower trapezoid nut 301 moves upwards, upper surface and drive lead screw until lower trapezoid nut 301
4 shaft shoulder lower end face contacts are locked, at this time 4 shaft shoulder upper surface of drive lead screw and the lower end surface of upper trapezoid nut 203, drive lead screw 4
Shaft shoulder lower end surface and the upper surface of lower trapezoid nut 301 are in contact locking state, and spool stopping moves upwards, inverse with turbine
Hour hands rotation, communicates until electric up-down rotary spool triple valve is converted into primary valve 5011, left valve port 5012, right valve port 5013
State, Vidacare corp 101 stops working.
When the shape that electric up-down rotary spool triple valve need to be communicated from primary valve 5011, left valve port 5012, right valve port 5013
When state is transformed into the state that primary valve 5011 is communicated with right valve port 5013, worm screw 202 is electrically driven the driving rotation of device 101,
Worm screw 202 drives turbine 201 to rotate counterclockwise, at this time the lower end surface of 4 shaft shoulder upper surface of drive lead screw and upper trapezoid nut 203,
4 shaft shoulder lower end surface of drive lead screw and the upper end surface of lower trapezoid nut 301 are in contact locking state, so turbine de-rotation is through upper
Trapezoidal nut 203, drive lead screw 4, lower trapezoid nut 301, connecting shaft 302, valve rod 504 are transmitted to spool 502, and spool 502 is inverse
Hour hands rotation；When connecting shaft 302 rotates counterclockwise, when contacting to thrust surface A3021 and limit shaft 304, connecting shaft 302 can not be after
Continuous rotation counterclockwise, drive lead screw 4 continues to rotate counterclockwise at this time, can overcome 4 shaft shoulder upper surface of drive lead screw and upper trapezoid spiral shell
The frictional force of the lower end face contact locking state of mother 203, drive lead screw 4 can move downward, and band movable valve plug 502 moves downward, directly
It is contacted to spool 502 with the spool chamber of valve body 501, completes electric up-down rotary spool triple valve primary valve 5011 and right valve port
5013 connection.
Part not in the detailed description of the invention is the prior art.
Claims (7)
1. a kind of electric up-down rotary spool triple valve, it is characterized in that: including that (1), turbine worm reducer are combined in electric drive
Structure (2), bindiny mechanism (3), drive lead screw (4), three-way valve (5), pin shaft (6)；The electric drive combination (1) includes electronic
Driving device (101), connector sleeve (102)；The turbine worm reducer structure (2) includes turbine (201), worm screw (202), upper ladder
Shape nut (203), bearing (204), turbine and worm case (205), turbine and worm case end cap (206)；The turbine and worm case (205)
For the barrel-shaped of upper end opening, bottom is provided with through-hole, and side wall is provided with worm screw chamber；Spiral shell is provided among the turbine (201)
Pit, turbine (201) are arranged in the cavity of turbine and worm case (205), are supported by bearing (204)；The worm screw (202) sets
It sets in the worm screw chamber of turbine and worm case (205), worm screw (202) is intermeshed with turbine (201)；The upper trapezoid nut
(203) cannula-like of step is had for lower part, centre is trapezoidal thread, and outside is regular screw threads, upper trapezoid nut (203) setting
In the intermediate threaded hole of turbine (201), connected by junction of the edges of two sheets of paper screw；The turbine and worm case end cap (206) is arranged in turbine
Worm screw case (205) top is connect by screw with turbine and worm case (205)；The Vidacare corp (101) passes through connector sleeve
(102) it is connect with turbine worm reducer structure (2)；The bindiny mechanism (3) includes lower trapezoid nut (301), connecting shaft
(302), connecting bracket (303), limit shaft (304)；The connecting bracket (303) is upper/lower terminal with the short of connecting flange
Tubulose is provided with limit axis hole and pin shaft assembly technology hole on tube wall；The connecting shaft (302) is provided with blind for upper/lower terminal
The short axle in hole, upper end blind hole are threaded hole, and lower end blind hole is unthreaded hole, are provided with radial pin shaft hole, connecting shaft on unthreaded hole hole wall
(302) imperfect cricoid limiting slot is additionally provided on periphery, limiting slot has thrust surface A(3021) and thrust surface B
(3022)；The connecting shaft (302) is arranged in the hole of connecting bracket (303)；The limit shaft (304) is short circular shaft, setting
In the limit axis hole of connecting bracket (303), and in the limiting slot of limit shaft (304) inner face insertion connecting shaft (302), limit
Axis (304) and connecting bracket (303) are welded to connect；Lower trapezoid nut (301) structure and upper trapezoid nut (203) structure phase
Together, intermediate trapezoidal thread rotation direction and upper trapezoid nut (203) are on the contrary, lower trapezoid nut (301) is arranged on connecting shaft (302)
In the threaded hole at end, it is connect by junction of the edges of two sheets of paper screw with connecting shaft (302)；Bindiny mechanism (3) setting is slowed down in turbine and worm
The lower part of mechanism (2) is connect by the connecting flange of connecting bracket (303) upper end with turbine worm reducer structure (2)；The biography
Dynamic screw rod (4) are the short axle that middle part is provided with the shaft shoulder, and upper/lower terminal is oppositely oriented trapezoidal thread, drive lead screw (4) upper end
It is arranged in the threaded hole of upper trapezoid nut (203), lower end is arranged in the threaded hole of lower trapezoid nut (301)；The threeway
Valve (5) includes valve body (501), spool (502), valve deck (503), valve rod (504)；The valve body (501) is short cylindrical shape, in
Between be inverted cone-shaped spool chamber, spool chamber top is stepped hole, and valve body (501) is additionally provided with the primary valve communicated with spool chamber
(5011), left valve port (5012), right valve port (5013)；The spool (502) is inverted cone-shaped, and spool (502) is internally provided with
Interconnected main valve plug mouth (5021), left spool mouth (5022), right spool mouth (5023), spool (502) top is additionally provided with
Cylindric valve rod (504), valve rod (504) top are provided with radial pin shaft hole, and spool (502) is integrated knot with valve rod (504)
Structure；Spool (502) is arranged in the spool chamber of valve body (501), and the light in connecting shaft (302) lower end is arranged in valve rod (504) upper end
Kong Zhong, valve rod (504) are connect with connecting shaft (302) by pin shaft (6)；The valve deck (503) be with the disk-shaped of step, in
Between be provided with valve rod hole, on valve body (501) top, valve rod (504) passes through valve deck (503) intermediate valve rod for valve deck (503) setting
Hole, valve deck (503) are bolted with valve body (501)；The three-way valve (5) is arranged in bindiny mechanism (3) lower part, passes through
The connecting flange of connecting bracket (303) lower end is connected with valve deck (503).
2. electric up-down rotary spool triple valve according to claim 1, it is characterized in that: the valve rod (504) and valve deck
(503) guidance tape (8) and valve rod leak-proof structure (7) are provided between.
3. electric up-down rotary spool triple valve according to claim 1, it is characterized in that: the connecting shaft (302) with connect
Guide ring (12) are provided between bracket (303).
4. electric up-down rotary spool triple valve according to claim 1, it is characterized in that: the valve deck (503) and valve body
(501) sealing ring (9) are provided with.
5. electric up-down rotary spool triple valve according to claim 1, it is characterized in that: the valve body (501) primary valve
(5011) valve port connector A(10 has been bolted in end face), primary valve (5011) end face and valve port connector A(10) between
It is provided with sealing ring sealing.
6. electric up-down rotary spool triple valve according to claim 1, it is characterized in that: the left spool mouth (5022), the right side
Spool mouth (5023) is by being welded and connected with valve port connector B(11).
7. electric up-down rotary spool triple valve according to claim 1, it is characterized in that: electric drive combination (1) is provided with
It can be manually rotated wheel (103).
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| CN201811458191.0A CN109340405A (en) | 2018-11-30 | 2018-11-30 | A kind of electric up-down rotary spool triple valve |
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| CN201811458191.0A CN109340405A (en) | 2018-11-30 | 2018-11-30 | A kind of electric up-down rotary spool triple valve |
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| CN109340405A true CN109340405A (en) | 2019-02-15 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112682567A (en) * | 2020-12-17 | 2021-04-20 | 浙江福瑞科流控机械有限公司 | Driving device capable of reducing valve operation torque |
| CN113653832A (en) * | 2021-08-23 | 2021-11-16 | 洛阳三旋智能装备有限公司 | Special three-way valve for comprehensive utilization of waste oil |
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| CN108105420A (en) * | 2017-12-19 | 2018-06-01 | 樊东升 | A kind of high-pressure hydraulic pump discharge control valve |
| CN209245347U (en) * | 2018-11-30 | 2019-08-13 | 洛阳三旋特种阀门有限公司 | A kind of electric up-down rotary spool triple valve |
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| HK1024942A1 (en) * | 1997-12-30 | 2000-10-27 | Mp Fabrica Rubinetti S R L | Cutoff cock for gas burners |
| CN102853000A (en) * | 2012-09-15 | 2013-01-02 | 浙江大学台州研究院 | Automobile brake controlled by wire |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112682567A (en) * | 2020-12-17 | 2021-04-20 | 浙江福瑞科流控机械有限公司 | Driving device capable of reducing valve operation torque |
| CN113653832A (en) * | 2021-08-23 | 2021-11-16 | 洛阳三旋智能装备有限公司 | Special three-way valve for comprehensive utilization of waste oil |
| CN113653832B (en) * | 2021-08-23 | 2023-09-29 | 洛阳三旋智能装备有限公司 | Special three-way valve for comprehensive utilization of waste oil |
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Application publication date: 20190215 |