CN107061763A - A kind of band rotary drag stop valve - Google Patents
A kind of band rotary drag stop valve Download PDFInfo
- Publication number
- CN107061763A CN107061763A CN201710284027.1A CN201710284027A CN107061763A CN 107061763 A CN107061763 A CN 107061763A CN 201710284027 A CN201710284027 A CN 201710284027A CN 107061763 A CN107061763 A CN 107061763A
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- China
- Prior art keywords
- valve
- rod
- control
- sealing surface
- scraper
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- 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.)
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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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
Abstract
The present invention relates to a kind of band rotary drag stop valve, it is characterised in that：It is characterized in that：Provided with horizontal dividing plate below sealing surface of seat, the dividing plate is provided with a runner hole consistent with throat diameter；Doctor assemblies are provided with lumen, the doctor assemblies include：Control device and scraper, the control device include：Upper control-rod, lower control arm, compression spring and sealing ring；Scraper is fixedly installed on control-rod lower end, scraper entirety l-shaped, scraper is made up of cutter head with knife tail, knife tail is arranged on control-rod lower end straight down, cutter head is horizontally disposed with, the upper and lower end face of cutter head is respectively equipped with upper and lower blade, by the upper control-rod of rotation, upper and lower blade can be driven to strike off the medium at valve clack sealing surface and sealing surface of seat respectively；With using when containing the operating modes such as solid particle, and the sticking medium of tool, medium is not easy to be bonded on sealing pair, good airproof performance, the advantage of long lifespan.
Description
Technical field
The present invention relates to a kind of stop valve, more particularly, to a kind of band rotary drag stop valve.
Background technology
Stop valve blocks class valve as one kind is extremely important, and it is that valve rod exists by applying moment of torsion to valve rod that it, which is sealed,
On axial direction to flap apply pressure, valve clack sealing surface is brought into close contact with sealing surface of seat, prevention medium along sealing surface it
Between slot leakage, the sealing pair of stop valve is made up of valve clack sealing surface and sealing surface of seat, and valve rod drives flap along valve seat
Center line is vertically moved, and its shortcoming is：When traditional stop valve is used in the ore pulp with viscosity and containing solid particle
During Deng medium, medium is easily sticked on sealing pair, causes valve clack sealing surface can not closely to be combined with sealing surface of seat, so as to produce
Raw leakage, while the solid particle contained in medium is clipped on sealing pair, is easily destroyed sealing pair, service life is short.
The content of the invention
For defect present in prior art, the present invention provides a kind of use and is containing solid particle, and with viscosity
The operating mode such as medium when, medium is not easy to be bonded on sealing pair, good airproof performance, the band rotary drag stop valve of long lifespan and its
Assembly method and application method.
The present invention is realized by following technical solution：
One kind band rotary drag stop valve includes:Valve body, valve rod, flap and bonnet, valve inner are provided with inlet channel, gone out
Mouth runner and lumen, outlet flow are communicated with lumen, are provided with inlet channel outlet side on vertical cylindrical aditus laryngis, the aditus laryngis
End face is provided with sealing surface of seat, and bonnet is arranged on upper end in the middle part of valve body, and bonnet lower is flange, the flange and upper end in the middle part of valve body
It is fixedly connected with fastening assembly, stuffing-box is provided with the middle part of bonnet, filler and gland are installed at the stuffing-box, filled out
Expect that gland is arranged at stuffing-box by adjusting part, and compress filler downwards, bonnet top is provided with headkerchief, set in the headkerchief
It is fluted, valve stem nut and stop collar are provided with the groove, stop collar is threadably secured installed in groove upper end, and is limited
Valve stem nut is moved up and down, and trapezoidal thread is provided with inside valve stem nut, and valve stem nut top is provided with handwheel, and valve rod lower end is worn
Saturating stuffing-box stretches into lumen；Provided with flap and flap seat in lumen, flap is fixedly mounted on valve rod lower end, flap by flap seat
Lower surface is provided with can form sealed valve clack sealing surface with sealing surface of seat, it is characterised in that：It is provided with below sealing surface of seat
Horizontal dividing plate, the dividing plate is provided with a runner hole consistent with throat diameter；Doctor assemblies, the scraper group are provided with lumen
Part includes：Control device and scraper, the control device include：Upper control-rod, lower control arm, compression spring and sealing ring, upper control
The flange that bar upper end processed penetrates bonnet lower end stretches to top, and cylindrical place in control-rod upper end is provided with polygonal lift block on this,
The lift block lower surface is provided with sphere, and control-rod bottom is provided with endoporus on this, and the endoporus includes barrel-shaped upper and lower chamber, epicoele
The positioning hole wall of polygonized structure is provided between room and lower chambers, upper chamber's inner diameter is more than lower chambers inner diameter, cavity of resorption
O-ring seal is provided with the hole wall of room；Lower control arm lower end is attached with dividing plate with key, and rotation lower control arm can be closed with dynamic dividing plate
Close or open inlet channel；Lower control arm upper end is provided with many ends, and many ends stretch into upper chamber, and many ends can be with positioning hole
Wall is engaged, and lower control arm can be driven to rotate so as to rotate control-rod, between many end lower surfaces and lower chambers upper surface
Provided with compression spring；Scraper is fixedly installed on control-rod lower end, and scraper entirety l-shaped, scraper is made up of cutter head with knife tail,
Knife tail is arranged on control-rod lower end straight down, and cutter head is horizontally disposed with, and the upper and lower end face of cutter head is respectively equipped with upper and lower blade, is led to
The upper control-rod of rotation is crossed, upper and lower blade can be driven to strike off the medium at valve clack sealing surface and sealing surface of seat respectively；Under bonnet
The upper end surface of portion's flange is provided with the V-type dovetail groove of horizontal direction and with the fixture block that top view is U-shape structure, the fixture block bottom
Provided with the V-type rail to form horizontally-guided is engaged with V-type dovetail groove, the fixture block top is provided with and 20~35 ° of horizontal plane formation
The lifting face at angle, moves horizontally the fixture block, the lifting face on fixture block top and the cooperation of sphere formation tangent, can be lifted or declined
Upper control-rod, the wall portion of the lumen is provided with vertical guide groove, and the valve rod lower end is fixed with the horizontal axis of guide, and this is led
Enter to shaft extension in guide groove.
Further, abrasive rubber is provided with the dividing plate above and below, the abrasive rubber is fixed in the way of colloidal sol
The upper and lower end of dividing plate.
Further, the blade is made up of elastomeric material.
Further, the cavity wall portion of the cylindrical aditus laryngis is provided with one layer of rubber diaphragm, and rotating barrier can extrude the rubber
Glue film, closes inlet channel.
A kind of band rotary drag stop valve assembly method of the invention, its step is as follows：
A. each parts are cleaned with clear water, and are dried up with hair-dryer；
B. the assembling of valve body and dividing plate：Dividing plate is loaded to the position reserved in valve body, and rotates dividing plate, makes dividing plate need to be with lower control
The position of bar connection is moved to the position of needs；
C. the assembling of the part such as valve rod and flap：The flap back side is stretched into valve rod lower end, and flap seat loads the flap back side, and standing valve
Bar, what the axis of guide was open into is fixed on stem lower portion；
D. the assembling of the part such as control device, scraper：O-ring is loaded at lower chambers hole wall, compression spring is positioned over cavity of resorption
Room upper surface, many ends of lower control arm upper end stretch into upper chamber, keep compression spring to be placed in many end lower surfaces and lower chambers
Between upper surface, keep keeping sealing between lower chambers hole wall and lower control arm are cylindrical, knife tail is fixedly installed on straight down
Control-rod lower end, keeps cutter head to be in horizontally disposed, by the lift block of upper control-rod upper end by being reserved in end flanges under bonnet
Hole stretch to top, the V-type rail of the fixture block bottom of U-shape structure is loaded into V-type dovetail groove, keeps fixture block can be along V-type dovetail
Groove is moved, and keeps the cooperation of the lifting face on fixture block top and the sphere formation tangent of lift block lower end, and keeps upper control-rod
It is cylindrical to be sealed between bonnet, key is loaded to the keyway of lower control arm lower end；
E. the assembling of bonnet assemblies and overall package：The lower that sequence number c is completed loads the lumen position of valve body, keeps valve
Flap seal face is combined with sealing surface of seat, is kept the axis of guide to stretch into guide groove, at the stuffing-box in the middle part of bonnet, is put successively
Enter 4~6 fillers and gland, slowly lift the bonnet assemblies assembled to the surface of valve rod, slowly put down valve
Cap assemblies, make the upper end of valve rod penetrate bonnet stuffing-box, filler, gland and headkerchief successively, until bonnet under end flanges with
Valve body upper end is combined, while keeping lower control arm to be connected with dividing plate, keeps the key of lower control arm lower end and the keyway of dividing plate
It is engaged, finally with fastening assembly fixed valve body and bonnet, keeps the sealing between valve body and bonnet；
F. the assembling of the part such as valve stem nut, stop collar and handwheel：Utilize the trapezoidal thread in valve stem nut and valve rod top
Externally threaded to coordinate, slow rotary valve rod nut is moved down, until the bottom portion of groove that valve stem nut lower end enters in headkerchief, then
Stop collar is threadably secured installed in groove upper end, handwheel is fixedly mounted on valve stem nut top；
G. pressure test：Hydraulic pressure strength experiment, pressurized seal experiment are carried out successively；
H. a kind of band rotary drag stop valve of pass the test is dried up, then japanning, lead sealing, storage.
A kind of band rotary drag stop valve application method of the invention, its step is as follows：
1. from off state to opening：Turn clockwise handwheel, drives valve stem nut rotation, then band ovable valve stem, flap etc.
Parts are moved up, valve opening；
2. from opening to closed mode：Fixture block is promoted to be moved along V-type dovetail groove, the slow upper control-rod of lifting, not
Stop by a small margin clockwise, rotate back and forth control-rod counterclockwise, until many ends with positioning hole wall cooperate；Then up time
The upper control-rod of pin rotation, drives lower control arm and dividing plate to rotate, until dividing plate shuts inlet channel completely；Then fixture block edge is promoted
The movement of V-type dovetail groove opposite direction, upper control-rod is moved down in the presence of compression spring, positioning hole wall departs from many ends；
Turn clockwise upper control-rod, when cutter head is moved between sealing surface of seat and valve clack sealing surface, and stop the rotation upper control-rod,
Continue to press on fixture block to move along V-type dovetail groove opposite direction, until bottom knife touches sealing surface of seat；Then rotate counterclockwise
Handwheel, is moved down with parts such as ovable valve stem, flaps, until valve clack sealing surface contacts cutter；Then ceaselessly clockwise, the inverse time
The upper control-rod of pin rotation, drives scraper to shave the medium at sealing surface of seat and valve clack sealing surface, is then controlled in rotate counterclockwise
Bar processed, until departing from dynamic cutter head between sealing surface of seat and valve clack sealing surface；Rotate counterclockwise handwheel is then continued to, valve is driven
The parts such as bar, flap are moved down, until valve clack sealing surface compresses sealing surface of seat.
The advantage of the invention is that：The design of scraper, can effectively strike off and stick to valve clack sealing surface and sealing surface of seat
On medium, when valve is closed, it is not easy to sealing pair is destroyed, while valve clack sealing surface is more close with sealing surface of seat
With reference to having the advantages that good airproof performance, service life are long；The setting of dividing plate, makes scraper when striking off the medium on sealing pair,
Temporarily Closed inlet channel, prevents medium from sticking to again on sealing pair, with further preventing valve clack sealing surface and valve seat
The advantage of sealing surface adhering medium；The setting of control device, with the more preferable rotation for freely controlling scraper, makes scraper more preferable
The medium sticked on sealing pair is struck off, ground mouth runner is turned on and off with more easily control dividing plate；This assembly method has
Have the advantages that easy for installation, accurate, qualification rate is high；This valve application method is simple, conveniently, keep that sealing surface is frayed less, enhancing
Life of valve.
Brief description of the drawings
Fig. 1 is a kind of opening structural representation with rotary drag stop valve of the present invention.
Fig. 2 is a kind of closed mode structural representation with rotary drag stop valve of the present invention.
Embodiment：
It can be seen from Fig. 1 and Fig. 2, a kind of band rotary drag stop valve of the present invention includes:Valve body 1, valve rod 20, flap 5 and valve
Lid 9, the inside of valve body 1 is provided with inlet channel, outlet flow and lumen, and outlet flow is communicated with lumen, in inlet channel outlet side
Provided with vertical cylindrical aditus laryngis, the aditus laryngis upper surface is provided with sealing surface of seat, and bonnet 9 is arranged on the middle part upper end of valve body 1, bonnet
9 bottoms are flange, and the flange is fixedly connected with the middle part upper end fastening assembly 18 of valve body 1, and the middle part of bonnet 9 is provided with filler
Letter, is provided with filler 12 and gland 13 at the stuffing-box, and gland 13 is arranged on stuffing-box by adjusting part 17
Place, and filler 12 is compressed downwards, the top of bonnet 9 is provided with headkerchief, and groove is provided with the headkerchief, and valve rod spiral shell is provided with the groove
Mother 14 and stop collar 15, stop collar 15 is threadably secured installed in groove upper end, and is limited valve stem nut 14 and moved up and down,
The inside of valve stem nut 14 is provided with trapezoidal thread, and the top of valve stem nut 14 is provided with handwheel 16, and the lower end of valve rod 20 penetrates stuffing-box and stretched
Enter lumen；Provided with flap 5 and flap seat 21 in lumen, flap 5 is fixedly mounted on the lower end of valve rod 20, flap 5 by flap seat 21
Lower surface with sealing surface of seat provided with that can form sealed valve clack sealing surface, provided with horizontal dividing plate 2 below sealing surface of seat,
The dividing plate 2 is provided with a runner hole consistent with throat diameter；Doctor assemblies are provided with lumen, the doctor assemblies include：Control
Device processed and scraper 4, the control device include：Upper control-rod 8, lower control arm 3, compression spring 6 and sealing ring, upper control-rod 8
The flange that upper end penetrates bonnet lower end stretches to top, and cylindrical place in upper end of control-rod 8 is provided with polygonal lift block 11 on this, should
The lower surface of lift block 11 is provided with sphere, and bottom of control-rod 8 is provided with endoporus on this, and the endoporus includes barrel-shaped upper and lower chamber, epicoele
The positioning hole wall of polygonized structure is provided between room and lower chambers, upper chamber's inner diameter is more than lower chambers inner diameter, cavity of resorption
O-ring seal is provided with the hole wall of room；The lower end of lower control arm 3 is attached with dividing plate 2 with key, rotation lower control arm 3 can drive every
Plate 2 turns off or on inlet channel；The upper end of lower control arm 3 is provided with many ends 7, and many ends 7 stretch into upper chamber, many ends 7
It can be engaged with positioning hole wall, so as to rotate control-rod 8 lower control arm 3 can be driven to rotate, many lower surfaces of end 7 and cavity of resorption
Compression spring 6 is provided between the upper surface of room；Scraper 4 is fixedly installed on the lower end of control-rod 8, the overall l-shaped of the scraper 4, scraper 4
It is made up of cutter head with knife tail, knife tail is arranged on the lower end of control-rod 8 straight down, cutter head is horizontally disposed with, cutter head upper and lower end face point
Not She You upper and lower blade, by the upper control-rod 8 of rotation, upper and lower blade can be driven to strike off valve clack sealing surface and valve base sealing respectively
Medium at face；In the upper end surface of the lower flange of bonnet 9 V-type dovetail groove provided with horizontal direction and with top view to be U-shaped
The fixture block 10 of structure, the bottom of fixture block 10 is provided with the V-type rail for being engaged with V-type dovetail groove and forming horizontally-guided, the fixture block 10
Top is provided with the lifting face with 20~35 ° of angles of horizontal plane formation, moves horizontally the fixture block 10, the lifting face on the top of fixture block 10 and ball
Face forms the cooperation of tangent, can be lifted or decline upper control-rod 8, and the wall portion of the lumen is provided with vertical guide groove, described
The lower end of valve rod 20 is fixed with the horizontal axis of guide 19, and the axis of guide 19 is stretched into guide groove.
A kind of band rotary drag stop valve assembly method of the invention, its step is as follows：
A. each parts are cleaned with clear water, and are dried up with hair-dryer；
B. the assembling of valve body 1 and dividing plate 2：Dividing plate 2 is loaded to the position reserved in valve body 1, and dividing plate 2 is rotated, makes dividing plate 2 need to be with
The position that lower control arm 3 is connected is moved to the position of needs；
C. the assembling of valve rod 20 and the grade part of flap 5：The back side of flap 5 is stretched into the lower end of valve rod 20, and flap seat 21 loads flap 5 and carried on the back
Face, and fixed valve rod 20, what the axis of guide 19 was open into is fixed on the bottom of valve rod 20；
D. the assembling of the part such as control device, scraper 4：O-ring is loaded at lower chambers hole wall, compression spring 6 is positioned over down
Chamber upper surface, many ends 7 of the upper end of lower control arm 3 stretch into upper chamber, keep compression spring 6 be placed in many lower surfaces of end 7 with
Between lower chambers upper surface, keep keeping sealing between lower chambers hole wall and lower control arm 3 are cylindrical, fixation is set knife tail straight down
Put in the upper lower end of control-rod 8, keep cutter head to be in horizontally disposed, the lift block 11 of the upper upper end of control-rod 8 is passed through into bonnet lower end
Top is stretched in the hole reserved on flange, and the V-type rail of the bottom of fixture block 10 of U-shape structure is loaded into V-type dovetail groove, keeps fixture block 10
It can be moved along V-type dovetail groove, keep the lifting face on the top of fixture block 10 and the sphere of the lower end of lift block 11 to form matching somebody with somebody for tangent
Close, and keep sealing between the cylindrical hole reserved with end flanges under bonnet of upper control-rod 8, key is loaded into the lower end of lower control arm 3
Keyway；
E. the assembling of bonnet assemblies and overall package：The lower that sequence number c is completed loads the lumen position of valve body 1, keeps
Valve clack sealing surface is combined with sealing surface of seat, keeps the axis of guide 19 to stretch into guide groove, at the stuffing-box in the middle part of bonnet, according to
It is secondary to be put into 4~6 fillers and gland, the bonnet assemblies that have assembled slowly are lifted to the surface of valve rod 20, slowly
Bonnet assemblies are put down, the upper end of valve rod 20 is penetrated bonnet stuffing-box, filler 12, gland 13 and headkerchief successively, until valve
The lower end flanges of lid are combined with the upper end of valve body 1, while keeping lower control arm 3 to be connected with dividing plate 2, keep the lower end of lower control arm 2
Key be engaged with the keyway of dividing plate, finally with the fixed valve body of fastening assembly 18 and bonnet, keep close between valve body and bonnet
Envelope；
F. the assembling of the part such as valve stem nut 14, stop collar 15 and handwheel 16：Utilize the trapezoidal thread and valve in valve stem nut 14
The externally threaded cooperation on the top of bar 20, slow rotary valve rod nut 14 is moved down, until the lower end of valve stem nut 14 enters in headkerchief
Bottom portion of groove, then stop collar 15 is threadably secured installed in groove upper end, handwheel 16 is fixedly mounted on valve rod spiral shell
Female 14 tops；
G. pressure test：Hydraulic pressure strength experiment, pressurized seal experiment are carried out successively；
H. a kind of band rotary drag stop valve of pass the test is dried up, then japanning, lead sealing, storage.
A kind of band rotary drag stop valve application method of the invention, its step is as follows：
1. from off state to opening：Turn clockwise handwheel 16, drives valve stem nut 14 to rotate, then band ovable valve stem 20,
The grade parts of flap 5 are moved up, valve opening；
2. from opening to closed mode：Fixture block 10 is promoted to be moved along V-type dovetail groove, the slow upper control-rod 8 of lifting, and
Ceaselessly by a small margin clockwise, rotate back and forth control-rod 8 counterclockwise, until many ends 7 with positioning hole wall cooperate；Then
Turn clockwise upper control-rod 8, drives lower control arm 3 and dividing plate 2 to rotate, until dividing plate 2 shuts inlet channel completely；Then push away
Dynamic fixture block 10 is moved along V-type dovetail groove opposite direction, and upper control-rod 8 is moved down in the presence of compression spring 6, positions hole wall
Depart from many ends 7；Turn clockwise upper control-rod 8, when cutter head 4 is moved between sealing surface of seat and valve clack sealing surface, stops
Spin-ended turn of upper control-rod 8, continues to press on fixture block 10 and is moved along V-type dovetail groove opposite direction, until to touch valve seat close for bottom knife
Front cover；Then rotate counterclockwise handwheel 16, is moved down with parts such as ovable valve stem 20, flaps 5, until valve clack sealing surface contacts upper slitter
Piece；Then ceaselessly clockwise, control-rod 8 in rotate counterclockwise, drive scraper 4 to shave at sealing surface of seat and valve clack sealing surface
Medium, then control-rod 8 in rotate counterclockwise, until departing from dynamic cutter head 4 between sealing surface of seat and valve clack sealing surface；Connect
Continuation rotate counterclockwise handwheel 16, is moved down with parts such as ovable valve stem 20, flaps 5, until valve clack sealing surface compression valve seat is close
Front cover.
In summary, presently preferred embodiments of the present invention is these are only, is not intended to limit the scope of the present invention.
Within the spirit and principles of the invention, any modification, equivalent substitution and improvements made etc., should be included in the present invention's
Within protection domain.
Claims (4)
1. a kind of band rotary drag stop valve, including:Valve body, valve rod, flap and bonnet, valve inner provided with inlet channel,
Outlet flow and lumen, outlet flow are communicated with lumen, in inlet channel outlet side provided with vertical cylindrical aditus laryngis, the aditus laryngis
Upper surface is provided with sealing surface of seat, and bonnet is arranged on upper end in the middle part of valve body, and bonnet lower is flange, on the flange and valve body middle part
End is fixedly connected with fastening assembly, and stuffing-box is provided with the middle part of bonnet, filler and gland are provided with the stuffing-box,
Gland is arranged at stuffing-box by adjusting part, and compresses filler downwards, and bonnet top is provided with headkerchief, in the headkerchief
Provided with groove, valve stem nut and stop collar are provided with the groove, stop collar is threadably secured installed in groove upper end, and is limited
Valve stem nut processed is moved up and down, and trapezoidal thread is provided with inside valve stem nut, valve stem nut top is provided with handwheel, valve rod lower end
Penetrate stuffing-box and stretch into lumen；Provided with flap and flap seat in lumen, flap is fixedly mounted on valve rod lower end, valve by flap seat
Valve lower surface is provided with can form sealed valve clack sealing surface with sealing surface of seat, it is characterised in that：Set below sealing surface of seat
There is horizontal dividing plate, the dividing plate is provided with a runner hole consistent with throat diameter；Doctor assemblies, the scraper are provided with lumen
Component includes：Control device and scraper, the control device include：Upper control-rod, lower control arm, compression spring and sealing ring, on
The flange that control-rod upper end penetrates bonnet lower end stretches to top, and cylindrical place in control-rod upper end is provided with polygonal lifting on this
Block, the lift block lower surface is provided with sphere, and control-rod bottom is provided with endoporus on this, and the endoporus includes barrel-shaped upper and lower chamber, on
The positioning hole wall of polygonized structure is provided between chamber and lower chambers, upper chamber's inner diameter is more than lower chambers inner diameter, under
O-ring seal is provided with chamber hole wall；Lower control arm lower end is attached with dividing plate with key, and rotation lower control arm can be with dynamic dividing plate
Turn off or on inlet channel；Lower control arm upper end is provided with many ends, and many ends stretch into upper chamber, and many ends can be with positioning
Hole wall is engaged, and lower control arm can be driven to rotate so as to rotate control-rod, many end lower surfaces and lower chambers upper surface it
Between be provided with compression spring；Scraper is fixedly installed on control-rod lower end, scraper entirety l-shaped, and scraper is by cutter head and knife tail group
Into knife tail is arranged on control-rod lower end straight down, and cutter head is horizontally disposed with, and the upper and lower end face of cutter head is respectively equipped with upper and lower knife
Piece, by the upper control-rod of rotation, can drive upper and lower blade to strike off the medium at valve clack sealing surface and sealing surface of seat respectively；
The upper end surface of bonnet lower flange is provided with the V-type dovetail groove of horizontal direction and with the fixture block that top view is U-shape structure, the card
Block bottom is provided with the V-type rail for being engaged with V-type dovetail groove and forming horizontally-guided, and the fixture block top is provided with and horizontal plane formation 20
The lifting face at~35 ° of angles, moves horizontally the fixture block, the lifting face on fixture block top and the cooperation of sphere formation tangent, can be lifted
Or declining upper control-rod, the wall portion of the lumen is provided with vertical guide groove, and the valve rod lower end is fixed with horizontal guiding
Axle, the axis of guide is stretched into guide groove.
2. a kind of band rotary drag stop valve according to claim 1, it is characterised in that：At the dividing plate above and below
Provided with abrasive rubber, the abrasive rubber is fixed on the upper and lower end of dividing plate in the way of colloidal sol.
3. a kind of band rotary drag stop valve according to claim 1, it is characterised in that：The blade is by elastomeric material
It is made.
4. a kind of band rotary drag stop valve according to claim 1, it is characterised in that：The chamber of the cylindrical aditus laryngis
Wall portion is provided with one layer of rubber diaphragm, and rotating barrier can extrude the rubber diaphragm, closes inlet channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710284027.1A CN107061763B (en) | 2017-04-26 | 2017-04-26 | A kind of band rotary drag shut-off valve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710284027.1A CN107061763B (en) | 2017-04-26 | 2017-04-26 | A kind of band rotary drag shut-off valve |
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| Publication Number | Publication Date |
|---|---|
| CN107061763A true CN107061763A (en) | 2017-08-18 |
| CN107061763B CN107061763B (en) | 2018-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710284027.1A Active CN107061763B (en) | 2017-04-26 | 2017-04-26 | A kind of band rotary drag shut-off valve |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109990124A (en) * | 2019-05-15 | 2019-07-09 | 郑子叶 | A kind of band protection face check-valves |
| CN110440010A (en) * | 2019-08-14 | 2019-11-12 | 韩国昊 | A kind of shut-off valve |
| CN113090790A (en) * | 2021-04-19 | 2021-07-09 | 延安大学 | Spring pressure vessel relief valve for chemical production |
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|---|---|---|---|---|
| JP2004124978A (en) * | 2002-09-30 | 2004-04-22 | Okm:Kk | Valve sealing structure |
| CN1776269A (en) * | 2005-12-01 | 2006-05-24 | 浙江成达特种阀门厂 | Scraper type two-way high-temperature metal hard-sealed ball valve |
| WO2010068965A1 (en) * | 2008-12-16 | 2010-06-24 | Allan Graeme Miners | Linear actuator with internal linear to rotary conversion and external rotary component |
| CN201462025U (en) * | 2009-08-21 | 2010-05-12 | 石家庄强大机电设备制造有限公司 | Valve cleaning device |
| CN203621641U (en) * | 2013-11-22 | 2014-06-04 | 上海伟星新型建材有限公司 | Scraper device applied to check valve |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109990124A (en) * | 2019-05-15 | 2019-07-09 | 郑子叶 | A kind of band protection face check-valves |
| CN110440010A (en) * | 2019-08-14 | 2019-11-12 | 韩国昊 | A kind of shut-off valve |
| CN110440010B (en) * | 2019-08-14 | 2020-12-08 | 浙江云达流体智控股份有限公司 | Stop valve |
| CN113090790A (en) * | 2021-04-19 | 2021-07-09 | 延安大学 | Spring pressure vessel relief valve for chemical production |
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| Publication number | Publication date |
|---|---|
| CN107061763B (en) | 2018-10-30 |
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Effective date of registration: 20211216 Address after: 214000 Yangshi community, Luoshe Town, Huishan District, Wuxi City, Jiangsu Province Patentee after: WUXI SKF MACHINERY MANUFACTURING Co.,Ltd. Address before: 325113 5 Jinyuan Road, Yugen village, Yan tou Town, Yongjia, Wenzhou, Zhejiang Patentee before: Zhang Xinfeng |
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