CN108050267A - Six sealings, zero friction accumulation of energy dual-top type spiral valve - Google Patents
Six sealings, zero friction accumulation of energy dual-top type spiral valve Download PDFInfo
- Publication number
- CN108050267A CN108050267A CN201711345644.4A CN201711345644A CN108050267A CN 108050267 A CN108050267 A CN 108050267A CN 201711345644 A CN201711345644 A CN 201711345644A CN 108050267 A CN108050267 A CN 108050267A
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- Prior art keywords
- head cap
- hexagon socket
- socket head
- cap screw
- valve
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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
- 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
- F16K5/0626—Easy mounting or dismounting 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
- F16K25/00—Details relating to contact between valve members and seat
- F16K25/005—Particular materials for seats or closure elements
-
- 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
-
- 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
- F16K47/00—Means in valves for absorbing fluid energy
- F16K47/02—Means in valves for absorbing fluid energy for preventing water-hammer or noise
- F16K47/023—Means in valves for absorbing fluid energy for preventing water-hammer or noise for preventing water-hammer, e.g. damping of the valve movement
-
- 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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- 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
- F16K5/0663—Packings
- F16K5/0673—Composite packings
-
- 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
- F16K5/0663—Packings
- F16K5/0694—Spindle sealings
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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
- F16K5/22—Features relating to lubrication
- F16K5/227—Features relating to lubrication for plugs with spherical surfaces
Abstract
The invention discloses six sealings, zero friction accumulation of energy dual-top type spiral valves, including valve body, cover board, gasket, upper valve rod and lower valve rod, the valve body is internally provided with anti-impact brush layer, the valve inner of the anti-impact brush layer one side is provided with high-temperature-resistant layer, the valve inner of the high-temperature-resistant layer one side is provided with erosion resistant coating, the both ends of the valve inner are respectively arranged with upper valve rod and lower valve rod, the one side of the upper valve rod is provided with rubber pad, the upper valve rod one side of the rubber pad bottom is provided with ball, the surface of the valve body is respectively arranged with the first hexagon socket head cap screw, second hexagon socket head cap screw, 3rd hexagon socket head cap screw, 4th hexagon socket head cap screw, 5th hexagon socket head cap screw and the 6th hexagon socket head cap screw.The present invention makes this six sealings, zero friction accumulation of energy dual-top type spiral valve good airproof performance, easy to maintain by being provided with a series of structure, while service life is extended, and improves the service efficiency of staff.
Description
Technical field
The present invention relates to spiral valve technology fields, are specially six sealings, zero friction accumulation of energy dual-top type spiral valve.
Background technology
Spiral valve is mainly characterized by not only reliably turning off in positive pressure, remote in buffer brake or buffer brake
More than equally can reliably be turned off in positive pressure, can be needed to use according to different hardness on two sealing surfaces of sealing pair
Space plasma spraying, ether laser splash, vacuum protection ooze the advanced technologies such as multiple built-up welding and form martensitic stain less steel, austenite
Stainless steel, hard alloy, cermet, diamond constant gradient functional material, energy automatic alignment center, and can automatic surpassed distance
Compensation abrasion, when closing, make full use of the energy of medium in spiral valve, are subject to high seal pressure automatically, reach high hard sealing pair
To reliable zero leakage, moment closes, has between moment opening sealing pair without friction, its agent structure of spiral valve similar to butterfly valve
The characteristics of structure of butterfly valve is short, small, thus the valve of super-large diameter, super large caliber can be manufactured.
Rotation sealing property of ball valves currently on the market is not complete enough, can not accumulation of energy, the scope used also very little, service life
It nor very long, safeguards also cumbersome, but also is all the spiral valve of single-top, work efficiency is very low, so
It is existing to solve the problems, such as to be badly in need of six sealing of one kind, zero friction accumulation of energy dual-top type spiral valve.
The content of the invention
It is an object of the invention to provide six sealings, zero friction accumulation of energy dual-top type spiral valve, to solve in above-mentioned background technology
The problem of proposition.
To achieve the above object, the present invention provides following technical solution：Six sealings, zero friction accumulation of energy dual-top type spiral valve, bag
Valve body, cover board, gasket, upper valve rod and lower valve rod are included, the valve body is internally provided with anti-impact brush layer, the anti-impact brush layer one
The valve inner of side is provided with high-temperature-resistant layer, and the valve inner of the high-temperature-resistant layer one side is provided with erosion resistant coating, in the valve body
The both ends in portion are respectively arranged with upper valve rod and lower valve rod, and the one side of the upper valve rod is provided with rubber pad, the rubber pad bottom
Upper valve rod one side be provided with ball, the upper valve rod one side of the ball bottom is provided with the first sealant, first sealing
The upper valve rod one side of layer bottom is provided with the second sealant, and the upper valve rod one side of the second sealant bottom is provided with sealing
Glue, the one side of the lower valve rod are provided with electric piece, and the one side of the valve body is provided with cover board, and the surface of the valve body is set respectively
There are the first hexagon socket head cap screw, the second hexagon socket head cap screw, the 3rd hexagon socket head cap screw, the 4th hexagon socket head cap screw, the 5th hexagon socket head cap screw
It is provided with and hexagonal in the first hexagon socket head cap screw, the second hexagon socket head cap screw, the 3rd with the surface of the 6th hexagon socket head cap screw, and valve body
The body that bolt, the 4th hexagon socket head cap screw, the 5th hexagon socket head cap screw and the 6th hexagon socket head cap screw are used in conjunction with each other, described first
Hexagon socket head cap screw, the second hexagon socket head cap screw, the 3rd hexagon socket head cap screw, the 4th hexagon socket head cap screw, the 5th hexagon socket head cap screw and the 6th
One end of hexagon socket head cap screw is provided with helicla flute, first hexagon socket head cap screw, the second hexagon socket head cap screw, hexagonal spiral shell in the 3rd
Bolt, the 4th hexagon socket head cap screw, the surface of the 5th hexagon socket head cap screw and the 6th hexagon socket head cap screw are respectively arranged with the first spring and
Two springs, the first hexagon socket head cap screw of first spring and second spring one side, the second hexagon socket head cap screw, hexagonal spiral shell in the 3rd
Bolt, the 4th hexagon socket head cap screw, the 5th hexagon socket head cap screw and the 6th hexagon socket head cap screw surface are respectively arranged with the first adapter sleeve and
Two adapter sleeves, first hexagon socket head cap screw, the second hexagon socket head cap screw, the 3rd hexagon socket head cap screw, the 4th hexagon socket head cap screw, the 5th
The one side of hexagon socket head cap screw and the 6th hexagon socket head cap screw is provided with installing ring, and is connected between cover board and installing ring by pin
It connects, first hexagon socket head cap screw, the second hexagon socket head cap screw, the 3rd hexagon socket head cap screw, the 4th hexagon socket head cap screw, hexagonal in the 5th
The one side of bolt and the 6th hexagon socket head cap screw is all provided with handle, and the one side of the handle is provided with clamp device, the valve body
One side accumulator is connected with by conducting wire, and the surface of conducting wire is respectively arranged with the first solenoid valve, second solenoid valve, the 3rd electricity
Magnet valve, the 4th solenoid valve and the 5th solenoid valve.
Preferably, the one side of the clamp device is provided with curved screw rod.
Preferably, the one side of the installing ring is provided with lubricating loop.
Preferably, the one side of the electric piece is provided with bolt.
Preferably, one end of the valve body is respectively arranged with the first eduction valve and the second eduction valve.
Compared with prior art, the beneficial effects of the invention are as follows：Six sealings, the zero friction accumulation of energy dual-top type spiral valve passes through
There is provided lubricating loops, make this valve body that personnel is easy to use to be installed, then by being provided with pin, hexagonal spiral shell in first
Bolt, the second hexagon socket head cap screw, the 3rd hexagon socket head cap screw, the 4th hexagon socket head cap screw, hexagonal spiral shell in the 5th hexagon socket head cap screw and the 6th
Bolt makes this valve body easy to disassemble and installation, while personnel is easy to use to be safeguarded to this valve body in the later stage, then by being provided with
First adapter sleeve, the second adapter sleeve and clamp device can be such that this valve body very stablizes when mounted, be not susceptible to what is come off
Situation, convenient for the later stage, user of service is used, then by be provided with rubber pad, the first sealant, the second sealant with it is close
Sealing, it can be ensured that the leakproofness of this valve body, it is not in situation about leaking when in use to make this valve body, ensures the safety used
Property, and by being provided with curved screw rod, it can further increase the leakproofness of this valve body, make this valve body more firm, and lead to
It crosses there is provided ball, the friction of sealing can be reduced, enhance the leakproofness of this valve body, and by setting two upper valve rods and lower valve
Bar can be such that this valve body is advantageously used with user of service, improve the work efficiency of user of service, and pass through setting
Electric piece, can external miscellaneous equipment this valve body is made to carry out accumulation of energy, personnel easy to use are used, and by being provided with anti-corrosion
Layer, can prevent this valve body to be corroded when in use, extend the service life of this valve body, and by being provided with high-temperature-resistant layer, energy
It is enough used convenient for this valve body in hot environment, increases this valve body use scope, this valve body is allow widely to be pushed away
Extensively, and by being provided with anti-impact brush layer, the cushioning effect of this valve body can be increased, prevent impact force larger when in use to this
Valve body damages, and increases the whole service life of this valve body, finally by there is provided the first eduction valve and the second eduction valve, makes
This valve body convenient for controlling the size of discharge rate, improves the work efficiency of user of service when in use.
Description of the drawings
Fig. 1 is the internal structure schematic diagram of the present invention；
Fig. 2 is the ring structure schematic diagram of the present invention；
Fig. 3 is the partial enlarged view A of the present invention；
Fig. 4 is the partial enlarged view B of the present invention；
Fig. 5 is the partial enlarged view C of the present invention；
Fig. 6 is the sealed structural representation of the present invention
Fig. 7 is the scheme of installation of the present invention；
Fig. 8 is modified effect figure when GO is added to polysulfide rubber as modifying agent in different forms；
Fig. 9 is GO additive amounts to the hardness of TR sealant obtained and the influence figure of hardening time；
Figure 10 is that the shore hardness for the TR sealant for being not added with GO and adding 0.6 phr GO changes over time figure；
Figure 11 is the tensile strength compares figure of GO additive amounts and TR sealant；
Figure 12 is influence figure of the GO additive amounts to TR sealant adhesive property；
Figure 13 is nano-calcium carbonate additive amount and draws high strong figure compares figure；
Figure 14 is nano-calcium carbonate additive amount and elongation at break compares figure；
Figure 15 is nano-calcium carbonate additive amount and adhesion strength compares figure；
Figure 16 is sGO additive amounts to the hardness of TR sealant obtained and the influence figure of hardening time；
Figure 17 is the compares figure for being added without sGO additive amounts and tensile strength；
Figure 18 is the compares figure for adding in sGO additive amounts and tensile strength；
Figure 19 is influence figure of the sGO additive amounts to TR sealant adhesive property；
Figure 20 is iGO additive amounts to the hardness of TR sealant obtained and the influence figure of hardening time；
Figure 21 is compares figures of the addition iGO to the tensile strength of raising TR sealant；
Figure 22 is influence figure of the iGO additive amounts to TR sealant adhesive property；
Figure 23 is tri- kinds of modifying agent of GO. sGO and iGO to polysulfide rubber tensile strength comparison diagram；
Figure 24 is tri- kinds of modifying agent of GO. sGO and iGO to polysulfide rubber elongation at break comparison diagram；
Figure 25 is tri- kinds of modifying agent of GO. sGO and iGO to polysulfide rubber adhesion strength comparison diagram；
Figure 26 lists influence figure of the different modifying agent to TR sealant acid-alkali-corrosive-resisting and solvent resistance of 0.2phr；
In figure：1- valve bodies；2- bodies；3- lubricating loops；4- cover boards；5- pins；6- installing rings；7- gaskets；8- first is fastened
Set；The first springs of 9-；The second adapter sleeves of 10-；11- clamp devices；12- handles；The curved screw rods of 13-；14- helicla flutes；15- second
Spring；16- rubber pads；17- balls；The first sealants of 18-；The second sealants of 19-；20- fluid sealants；21- upper valve rods；Under 22-
Valve rod；23- electricity pieces；24- bolts；The first eduction valves of 25-；The second eduction valves of 26-；The first hexagon socket head cap screws of 27-；In 28- second
Hex bolts；The 3rd hexagon socket head cap screws of 29-；The 4th hexagon socket head cap screws of 30-；31 first solenoid valves；The 5th hexagon socket head cap screws of 32-；
The 6th hexagon socket head cap screws of 33-；34- second solenoid valves；The 3rd solenoid valves of 35-；The 4th solenoid valves of 36-；The 5th solenoid valves of 37-；38-
Erosion resistant coating；39- high-temperature-resistant layers；40- anti-impact brush layers.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment belongs to the scope of protection of the invention.
- 7 are please referred to Fig.1, a kind of embodiment provided by the invention：Six sealings, zero friction accumulation of energy dual-top type spiral valve, including
Valve body 1, cover board 4, gasket 7, upper valve rod 21 and lower valve rod 22, the valve body 1 are internally provided with anti-impact brush layer 40, Neng Gouzeng
The impact resistance of strong this valve body 1, extends the service life of valve body 1, and the valve body 1 of 40 one side of anti-impact brush layer is internally provided with
High-temperature-resistant layer 39 can extend the use scope of this valve body 1, be convenient for promoting, in the valve body 1 of 39 one side of high-temperature-resistant layer
Portion is provided with erosion resistant coating 38, this valve body 1 is made to have anticorrosive property, extends the service life of this valve body 1, inside the valve body 1
Both ends be respectively arranged with upper valve rod 21 and lower valve rod 22, the one side of the upper valve rod 21 is provided with rubber pad 16, enhances this
The leakproofness of valve body 1,21 one side of upper valve rod of 16 bottom of rubber pad are provided with ball 17, the upper valve of 17 bottom of ball
21 one side of bar is provided with the first sealant 18, and 21 one side of upper valve rod of 18 bottom of the first sealant is provided with the second sealant
19,21 one side of upper valve rod of 19 bottom of the second sealant is provided with fluid sealant 20, and the one side of the lower valve rod 22 is provided with
Electric piece 23, the one side of the valve body 1 are provided with cover board 4, the surface of the valve body 1 be respectively arranged with the first hexagon socket head cap screw 27,
Second hexagon socket head cap screw 28, the 3rd hexagon socket head cap screw 29, the 4th hexagon socket head cap screw 30, six in the 5th hexagon socket head cap screw 32 and the 6th
Corner bolt 33, and the surface of valve body 1 is provided with and hexagonal spiral shell in the first hexagon socket head cap screw 27, the second hexagon socket head cap screw the 28, the 3rd
The body 2 that bolt 29, the 4th hexagon socket head cap screw 30, the 5th hexagon socket head cap screw 32 and the 6th hexagon socket head cap screw 33 are used in conjunction with each other,
First hexagon socket head cap screw 27, the second hexagon socket head cap screw 28, the 3rd hexagon socket head cap screw 29, the 4th hexagon socket head cap screw the 30, the 5th
One end of 32 and the 6th hexagon socket head cap screw 33 of hexagon socket head cap screw is provided with helicla flute 14, is installed convenient for this valve body 1, and described
One hexagon socket head cap screw 27, the second hexagon socket head cap screw 28, the 3rd hexagon socket head cap screw 29, hexagonal in the 4th hexagon socket head cap screw the 30, the 5th
The surface of 32 and the 6th hexagon socket head cap screw 33 of bolt is respectively arranged with the first spring 9 and second spring 15, first spring 9 with
First hexagon socket head cap screw 27 of 15 one side of second spring, the second hexagon socket head cap screw 28, hexagonal in the 3rd hexagon socket head cap screw the 29, the 4th
Bolt 30, the 5th hexagon socket head cap screw 32 and 33 surface of the 6th hexagon socket head cap screw are respectively arranged with the first adapter sleeve 8 and the second fastening
Set 10, first hexagon socket head cap screw 27, the second hexagon socket head cap screw 28, the 3rd hexagon socket head cap screw 29, the 4th hexagon socket head cap screw 30,
The one side of 5th hexagon socket head cap screw 32 and the 6th hexagon socket head cap screw 33 is provided with installing ring 6, and leads between cover board 4 and installing ring 6
It crosses pin 5 to be connected, can be installed and be dismantled convenient for this valve body 1, while be convenient for the maintenance in later stage, hexagonal in described first
Bolt 27, the second hexagon socket head cap screw 28, the 3rd hexagon socket head cap screw 29, the 4th hexagon socket head cap screw 30, the 5th hexagon socket head cap screw 32 with
The one side of 6th hexagon socket head cap screw 33 is all provided with handle 12, and the one side of the handle 12 is provided with clamp device 11, the valve
The one side of body 1 is connected with accumulator by conducting wire, and the surface of conducting wire is respectively arranged with the first solenoid valve 31, second solenoid valve
34th, the 3rd solenoid valve 35, the 4th solenoid valve 36 and the 5th solenoid valve 37 can be convenient for this valve body 1 to carry out accumulation of energy, while convenient for this
Valve body 1 is used, and the one side of the clamp device 11 is provided with curved screw rod 13, and the one side of the installing ring 13 is provided with profit
Slide back to road 3, the one side of the electricity piece 23 is provided with bolt 24, one end of the valve body 1 be respectively arranged with the first eduction valve 25 with
Second eduction valve 26, personnel easy to use carry out the flow of control discharge.
Operation principle：Before use, first check whether this six sealings, zero friction accumulation of energy dual-top type spiral valve can be used normally,
This valve body 1 is passed through in the first hexagon socket head cap screw 27, the second hexagon socket head cap screw 28, the 3rd hexagon socket head cap screw the 29, the 4th during use
Hex bolts 30, the 5th hexagon socket head cap screw 32 and the 6th hexagon socket head cap screw 33 are used needed for being fixed at position, Ran Houtong
Upper valve rod 21 is crossed with lower valve rod 22 to carry out regulating and controlling this valve body 1, then gasket 7 can make this valve body 1 have leakproofness, Ran Houtong
23 external power supply of current piece carries out accumulation of energy, and accumulation of energy can pass through the first solenoid valve 31, second solenoid valve 34, the 3rd solenoid valve
35th, the 4th solenoid valve 36 is regulated and controled with the 5th solenoid valve 37, then passes through the first eduction valve 25 and the second eduction valve 26
Regulate and control to carry out whole excretion, after finally using at that time, utilize hexagonal spiral shell in pin 5, the first hexagon socket head cap screw 27, second
Bolt 28, the 3rd hexagon socket head cap screw 29, the 4th hexagon socket head cap screw 30, the 5th hexagon socket head cap screw 32 are carried out with the 6th hexagon socket head cap screw 33
Dismounting.
Fluid sealant 20 is a kind of modified polysulfide fluid sealant, and making step is as follows：
S1, the preparation of graphene oxide react three stages of reaction including low, medium and high temperature：
Cold stage:In 500ml three-necked flasks, the concentrated sulfuric acid of 115ml98% is added in, in heat collecting type heated at constant temperature magnetic agitation
It is stirred in device using ice-water bath, the mixture for adding in 5g expanded graphites and 2.5g sodium nitrate continues stirring a period of time, fills it
Point mixing, then when 1 is small interior point add in the potassium permanganate for amounting to 15g 5 times, when addition, is slowly added to ensure to be uniformly mixed, add
Continue to stir a period of time in ice-water bath after complete potassium permanganate；
After cold stage, three-necked flask is moved on to and is adjusted to temperature in 37 DEG C of water bath with thermostatic control, continue stirring 1 it is small when,
Medium temperature reaction is carried out, medium temperature after reaction, is slowly added continuously 200ml deionized waters, at this time water in three-necked flask
Very exothermic in the remaining concentrated sulfuric acid is added in, reacting liquid temperature is made significantly to be promoted, using ice-water bath reaction temperature control is made to exist
No more than 98 DEG C, continue to remove blender and water bath with thermostatic control after being stirred to react 15 minutes at 98 DEG C, it will be mixed in three-necked flask
It closing object to move on in 1000ml beakers, adds in 5% aqueous hydrogen peroxide solution, reaction solution becomes golden yellow at this time, filters while hot, and
Filter cake is fully washed with 5% dilute hydrochloric acid and deionized water, is detected with barium chloride solution in filtrate and no longer contains SO4 2-Until；
When filter cake is placed in 70 DEG C of drying box 70 DEG C of dryings 48 are small in vacuum drying chamber again after tentatively dry bath, grind, it will
Powdery abrasive material and deionized water are in the ratio blending constituent dispersion liquid of 5mg/ml, and ultrasonic disperse 30 divides in ultrasonic cleaner
Clock, replaces the ultrasound water of heating, when repeating ultrasound ultrasound 2 be small altogether in this way, fully dry dispersion liquid, by the solid abrasive of drying
It is spare；
S2, the preparation of modified graphene oxide:The graphene oxide prepared 0.1g is taken to be dissolved in 40 ml absolute ethyl alcohols and 50ml
In the mixed solution of deionized water, ultrasonic 15min obtains uniform dispersion liquid, then 10ml is contained three second of 0.3g y- aminopropyls
The absolute ethyl alcohol of oxysilane is slowly added under magnetic agitation effect, is continued to filter after being stirred to react 24 h, be filtered
Paste washs 3 times with absolute ethyl alcohol and removes extra y- aminopropyl triethoxysilanes, after product spontaneously dries grinding to get
To y- aminopropyl triethoxysilanes modified graphene oxide (sGO);
Modified feedstock is two different atmosphere vinegar of isophorone, and 0.5 g graphene oxides and 50ml diformazan tomb ammonium formates are put into and are existed
In the flask dried at 120 DEG C, magnetic agitation adds in two different atmosphere vinegar of 5g isophorones in whipping process, sealed reaction vessel,
It is filtered after 24 h of sustained response, the paste chloroform filtered 3 times is spontaneously dried with removing extra different atmosphere vinegar
After grind, be made different atmosphere vinegar modified graphene oxide (iGO);
S3, the preparation of polysulfide sealant:
The preparation of host agent:100 g liquid polysulphide rubbers are taken in reaction vessel, add 50g nano-calcium carbonates, the benzene of neighbour containing 10g
The GO/BBP dispersion liquids of dioctyl phthalate fourth section vinegar, 3g carbon blacks, 5g phenolic resin, 0.5g coupling agents are mixed into sticky paste, so
Paste is poured into three-roll grinder in batches afterwards, grinds five times repeatedly, obtains the uniform paste host agent of bright color, color;
The addition of other auxiliary agents is with " number (phr) " note, the additive amount of certain auxiliary agent of polysulfide rubber addition per hundred parts in host agent
For 50phr, then it represents that liquid polysulphide rubber is 100 parts, and the number of the auxiliary agent is 5O parts, the mass ratio with liquid polysulphide rubber
As 50: 100;
The preparation of curing agent:By active manganese dioxide powder end, phthalic acid fourth section vinegar, hexichol flesh (DPG) with 10:7.5:1
Quality proportioning uniformly mixes, and is then fully ground five times with three-roll grinder, obtains the uniform black paste curing agent of dry and wet;
S4, the preparation of polysulfide sealant piece:By 100:9 mass ratio weighs host agent and curing agent, and two components are fully mixed
Stirring is closed, obtains uniform lotion, uniformly mixed lotion is inserted in mold, prepares the sample of 2mm thickness, in room under room temperature
Interior health a couple of days is until be fully cured.
When GO is added to polysulfide rubber as modifying agent in different forms as can be seen from Figure 8, the modified effect of generation is simultaneously
It is different.Effect has promotion than the not added-time when being modified in the form of adding in graphite oxide powder, illustrates that addition graphite oxide can
Improve the mechanical property of TR sealant;And the effect of graphene oxide powder is better than graphite oxide, adds in graphene oxide and oxidation
The main distinction of graphite is the contact area size with matrix;And using GOBBP dispersion liquids as modifying agent compared with GO powder
There is better performance to promote effect, also illustrate the modifying agent needs of addition has preferable dispersion effect ability in polysulfide rubber
Obtain preferably modified purpose.On the other hand, also carried above because each ingredient has a corresponding additive amount, GOBBP dispersion liquids because
Concentration is excessive can not to be completed to disperse well, but is still had relatively compared with being added in the form of solid powder in polysulfide rubber
Preferable dispersion effect.Therefore using being first dispersed in GO in the BBP for having preferable compatibility with polysulfide rubber, then by dispersion liquid
It is dispersed in polysulfide rubber.
Fig. 9 is GO additive amounts to the hardness of TR sealant obtained and the influence of hardening time.It is not added with TR sealant during GO
Hardening time is 19d, this is partially long for the applicable cases of fluid sealant.And curing can be shortened to a certain extent by adding GO
Time, this may be to react to promote its chaining because of the SH in the oxygen-containing functional group and polysulfide rubber in GO, promote
It cures;And mainly play solidification in TR sealant is curing agent manganese dioxide, additive amount is far more than GO, therefore in GO and two
Manganese oxide all makes its cured manganese dioxide account for leading role with-SH reactions respectively, therefore GO can only be compared with little Cheng
The curing of TR sealant is influenced on degree, this point also can generally increase with GO additive amounts from curing rate and improve and find out.Add
The hardness of TR sealant can slightly be improved on the whole by entering GO, this may be because the hardness of GO in itself is higher so as to energy after compound
TR sealant hardness is improved, but mainly influence its hardness is added filler.
Figure 10 is the situation that the shore hardness for the TR sealant for being not added with GO and adding 0.6 phr GO changes over time.Into
The a few days ago manganese dioxide of row solidification process proceeds by reaction with polysulfide rubber, and fluid sealant hardness is very low, it is difficult to measure;
Hardness quickly improves afterwards, again slack-off to being promoted close to hardness when curing, because at this moment also having a small amount of manganese dioxide continuing
It is cured reaction.After being fully cured, the hardness of fluid sealant no longer changes.
As can be seen from Figure 11, addition GO can improve the tensile strength of TR sealant, and this promotion effect is in additive amount
Reach maximum during 0.2phr, tensile strength is increased to 2.49 MPa by 1 .89 MPa, improves 31.7%;Additive amount is not more than
During 0.2 phr, the tensile strength of TR sealant increases as GO additive amounts increase;When additive amount be more than 0.2 phr when, then with
Additive amount increases and reduces, but remains above tensile strength when being not added with GO and (still have the stretching of 2.01 MPa when adding 1phr GO
Intensity value).This may be because GO has good compatibility when additive amount is not more than 0.2 phr with TR sealant, divide wherein
It is preferable to dissipate property, and shows anisotropic elastic solid, generates the crosslinked action of physics so that TR sealant plus load energy when stretching
It is enough to be smoothly transferred to graphene oxide on piece, so that graphene oxide sheet also replaces bearing the plus load of a part;And
In GO help base, shuttle tomb etc. can react with the SH in polysulfide rubber generate chemical crosslinking effect, stress is made easily to divide
It dissipates, so as to improve tensile strength;But GO is easy to reunite because of huge specific surface area, when additive amount is more than 0.2 phr
Part GO reunites so that the combination of itself and matrix is failed, and asks that, there are cavity blemish, tensile strength reduces with matrix.Fracture
The situation of change of elongation is similar with tensile strength, and when GO additive amounts are no more than 0.15 phr, elongation at break is with additive amount
Increase and increase, maximum 714% is reached in 0.15 phr, elongation decline during more than 0.15 phr, to 0.6 phr when approaches
Do not add the elongation at break 570% during GO, continue to drop to 1 pl of addition afterwards } r when 524%, GO is to TR sealant for addition
Elongation at break may be there are two influence, and one side GO can play the role of connecting polysulfide rubber molecule, thus be equivalent to increasing
Its strand has been grown, has increased its elongation at break;Another aspect GO crosslinks effect with polysulfide rubber, it is suppressed that polymer
The sliding of segment is mainly completed by the deformation of polymer segment when elongation, so reduces elongation at break.As addition GO
Amount is no more than 0, during 15 phr, accounts for the increased factor of elongation at break leading, during more than 0.15 phr a large amount of crosslinkings of GO and
Reunite and elongation at break is reduced rapidly, do not add elongation at break during GO even less than.
Figure 12 is influence of the GO additive amounts to TR sealant adhesive property.There are three types of the failure modes of bonding sample:
Adhesive failure, cohesional failure and mixing destroy.Adhesive failure be destroy be happened at fluid sealant with by viscous material interface, it is interior
Poly- destruction is to destroy to be happened in fluid sealant.Sealing material, which usually requires to reach cohesional failure, could obtain practical application.Pass through
Observation, the Failure type of bonding piece is cohesional failure.The variation of its adhesion strength is similar to tensile strength, in GO additive amounts not
During more than 0.2phr, the adhesion strength of TR sealant increases as GO additive amounts increase, and has maximum glue when adding 0.2phr
1.37 MPa of knotting strength, than being not added with GO when, improve 20.2%;When additive amount is more than 0.2 phr, then adhesion strength is with additive amount
Increase and reduce, but remain above adhesion strength when being not added with graphene oxide.
It can be seen that from the test form of Figure 13-15 tensile strengths, be with the addition of the TR sealant of 0.2phr GO, work as addition
Its tensile strength is suitable with the TR sealant for being not added with GO and adding 30phr nano-calcium carbonates during 10phr nano-calcium carbonates；Work as addition
Its tensile strength is close during 20phr nano-calcium carbonates is not added with GO and adds the TR sealant of 50phr nano-calcium carbonates；Work as addition
Its TR sealant of tensile strength then than being not added with GO and adding 50phr nano-calcium carbonates is high by 8% during 30phr nano-calcium carbonates.Fracture
Elongation also has similar comparison, it is believed that the GO of 0.2phr is equivalent to 20-30phr in terms of the effect of promoting tensile property
Nano-calcium carbonate.
And the TR sealant of 0.2 phr GO is with the addition of in terms of adhesion strength, its bonding when add 10 phr nano-calcium carbonates
Intensity is slightly above not added with GO and adds the TR sealant of 20phr nano-calcium carbonates;It is bonded when adding 20phr nano-calcium carbonates
Intensity is slightly above not added with GO and adds the TR sealant of 30phr nano-calcium carbonates;And it is viscous when adding 30phr nano-calcium carbonates
Knotting strength, which is less than, to be not added with GO and adds the TR sealant of 50 phr nano-calcium carbonates.It is considered that in terms of adhesive property is promoted
The GO of 0.2 phr of effect is slightly above the nano-calcium carbonate of 10 phr, this illustrates GO energy in terms of the tensile property of TR sealant is promoted
Power is better than promoting its adhesive property.This is primarily due to GO and is played the role of mainly crosslinking with polysulfide rubber, carries
It rises the mechanical property of TR sealant itself rather than largely improves its caking property between adhesion material.
Figure 16 is sGO additive amounts to the hardness of TR sealant obtained and the influence of hardening time.It is same that sGO is added in general
Sample can promote polysulfide adhesive curing, and slightly improve its hardness, this is similar with the promotion effect of GO.
Hardening time is 22d when modifying agent sGO is added without in Figure 17, slightly different with 19d, this is primarily due to prepare poly-
Ambient humidity can influence its curing in sulphur glue and TR sealant solidification process, and TR sealant curing rate adds when humidity is bigger
Soon.
SGO is added in Figure 18 can equally improve the tensile strength of TR sealant, and this promotion effect is better than GO.It draws
It stretches strength enhancing effect and reaches maximum when additive amount is 0.2 phr, be increased to 2.91MPa by 1.89 MPa, improve 54%;
When additive amount is not more than 0.2 phr, the tensile strength of TR sealant increases as GO additive amounts increase;When additive amount be more than
During 0.2 phr, then tensile strength when increasing with additive amount and reduce, but being above being not added with GO.The variation of elongation at break
Situation is similar with tensile strength, and when sGO additive amounts are no more than 0.3phr, elongation at break increases with additive amount and increased,
Reach maximum 745% during 0.3phr, elongation declines during more than 0.3phr, but remains above elongation at break when being not added with sGO.This
It may be because by generating acid amide key (- CO-NH) in GO modified KH-S50, have with polysulfide rubber preferably compatible
Property, so that sGO has more preferably modified effect in terms of tensile property is improved than GO.
Figure 19 is influence of the sGO additive amounts to TR sealant adhesive property.The Failure type of bonding piece is equally also cohesion
It destroys.The variation of its adhesion strength is similar to tensile strength, and when sGO additive amounts are not more than 0.2phr, the bonding of TR sealant is strong
Degree increase as sGO additive amounts increase, and has the adhesion strength 1.49MPa of maximum when adding 0.2phr, and than being not added with GO when carries
It is high by 30.7%;When additive amount is more than 0.2 phr, then adhesion strength increases with additive amount and is reduced, but remains above and be not added with oxygen
Adhesion strength during graphite alkene.Illustrate effects of the sGO in terms of adhesion strength is improved also superior to GO.
Figure 20 is iGO additive amounts to the hardness of TR sealant obtained and the influence of hardening time.It is similar to GO and sGO, add
Polysulfide adhesive curing can equally be promoted by entering iGO, and slightly improve its hardness.
As seen from Figure 21, addition iGO can equally improve the tensile strength of TR sealant, and this promotion effect also will
Better than GOa, when iGO additive amounts are not more than 0.2 phr, the tensile strength of TR sealant increases as iGO additive amounts increase;It stretches
Intensity reaches maximum when additive amount is 0.2phr, is increased to 2.71MPa by 1.89MPa, improves 43.4%;When additive amount is
During more than 0.2phr, then tensile strength when increasing with additive amount and reduce, but being above being not added with GO.The change of elongation at break
Change situation and tensile strength are much like, and when iGO additive amounts are no more than 0.2phr, elongation at break increases with additive amount and increased
Greatly, maximum 776% is reached in 0.2phr, elongation declines during more than 0.2phr, less than when being not added with iGO during more than 0.8 phr
Elongation at break.This illustrates that iG0 has more preferably modified effect in terms of tensile property is improved than GO, this may be because in iGO
Carbamic acid vinegar group (- NHCOO) and polysulfide rubber matrix have better compatibility.
Figure 22 is influence of the iGO additive amounts to TR sealant adhesive property.The Failure type of bonding piece is equally also cohesion
It destroys.The variation of its adhesion strength is similar to tensile strength, and when iGO additive amounts are not more than 0.2phr, the bonding of TR sealant is strong
Degree increase as sGO additive amounts increase, and has 1.42 MPa of adhesion strength of maximum when adding 0.2phr, and than being not added with GO when carries
It is high by 24.6%;When additive amount is more than 0.2phr, then adhesion strength increases with additive amount and is reduced, but remains above and be not added with oxygen
Adhesion strength during graphite alkene.Illustrate effects of the iGO in terms of adhesion strength is improved also superior to GO.
Tri- kinds of modifying agent of Figure 23-25 couples of GO. sGO and iGO are modified polysulfide rubber, from tensile strength, extension at break
Performance comparison has been carried out in terms of rate and adhesion strength to the TR sealant of preparation by comparison, following conclusion can be obtained:
(1) three kind of modifying agent is all when additive amount is 0.2phr TR sealant to be made to have preferable mechanical property.Add 0.2 phr
Tensile strength be can obtain during GO as 2.49MPa, elongation at break 684%, adhesion strength is the TR sealant of 1.37 MPa;Addition
Tensile strength be can obtain during 0.2 phr sG0 as 2.91 MPa, elongation at break is 701 %, and adhesion strength is 1.49 MPa's
TR sealant;Tensile strength be can obtain when adding 0.2 phr iG0 as 2.71 MPa, elongation at break 776%, adhesion strength is
The TR sealant of 1.42 MPa.
(2) aspect of performance of TR sealant is being improved, the sG0 effects of identical additive amount are better than iGO and GO
, and the iG0 effects of identical additive amount are generally better than GO
(3) three kinds of modifying agent in terms of the performance boost to TR sealant, be all to tensile property promoted it is more and to adhesive property
It is promoted limited.
Figure 26 lists prepared by influence of the different modifying agent of 0.2phr to TR sealant acid-alkali-corrosive-resisting and solvent resistance
TR sealant sample after curing completely soak at room temperature 15d in different solvents, the factor of research change for the shore hardness of TR sealant.From
It can be seen that in table, the TR sealant of preparation is poor to the patience of 5% sulfuric acid, this is primarily due to have substantial amounts of nano-sized carbon in TR sealant
Sour calcium filler, the particle of nano-calcium carbonate are again smaller, it is easy to and sulfuric acid reacts, therefore it is resistance to sulfuric acid poor;To 5%
The patience of acetic acid be not added with modifying agent and add GO, sGO modifying agent TR sealant it is preferable, hardness is also very close to and adding the poly- of iGO
Sulphur glue hardness is slightly less than former three, this may be because the iG0 for generating modifying function still has moieties to be had occurred with acetic acid
Reaction, causes the slightly decline of hardness;Fine to the patience of 5% caustic soda, hardness is almost without reduction:And acetone and filler
It will not react, only swelling action can occur for TR sealant wherein, and for resistant to acetone, the final hardness of each glue sample is all
Very close to.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requirement rather than above description limit, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims
Variation is included within the present invention.Any reference numeral in claim should not be considered as to the involved claim of limitation.
Claims (5)
1. six sealings, zero friction accumulation of energy dual-top type spiral valve, including valve body（1）, cover board（4）, gasket（7）, upper valve rod（21）With
Lower valve rod（22）, it is characterised in that：The valve body（1）Be internally provided with anti-impact brush layer（40）, the anti-impact brush layer（40）One
The valve body of side（1）It is internally provided with high-temperature-resistant layer（39）, the high-temperature-resistant layer（39）The valve body of one side（1）It is internally provided with anti-corrosion
Layer（38）, the valve body（1）Internal both ends are respectively arranged with upper valve rod（21）With lower valve rod（22）, the upper valve rod（21）'s
One side is provided with rubber pad（16）, the rubber pad（16）The upper valve rod of bottom（21）One side is provided with ball（17）, the rolling
Pearl（17）The upper valve rod of bottom（21）One side is provided with the first sealant（18）, first sealant（18）The upper valve rod of bottom
（21）One side is provided with the second sealant（19）, second sealant（19）The upper valve rod of bottom（21）One side is provided with sealing
Glue（20）, the lower valve rod（22）One side be provided with electric piece（23）, the valve body（1）One side be provided with cover board（4）, it is described
Valve body（1）Surface be respectively arranged with the first hexagon socket head cap screw（27）, the second hexagon socket head cap screw（28）, the 3rd hexagon socket head cap screw
（29）, the 4th hexagon socket head cap screw（30）, the 5th hexagon socket head cap screw（32）With the 6th hexagon socket head cap screw（33）, and valve body（1）Table
Face is provided with and the first hexagon socket head cap screw（27）, the second hexagon socket head cap screw（28）, the 3rd hexagon socket head cap screw（29）, hexagonal in the 4th
Bolt（30）, the 5th hexagon socket head cap screw（32）With the 6th hexagon socket head cap screw（33）The body being used in conjunction with each other（2）, described first
Hexagon socket head cap screw（27）, the second hexagon socket head cap screw（28）, the 3rd hexagon socket head cap screw（29）, the 4th hexagon socket head cap screw（30）, the 5th
Hexagon socket head cap screw（32）With the 6th hexagon socket head cap screw（33）One end be provided with helicla flute（14）, first hexagon socket head cap screw
（27）, the second hexagon socket head cap screw（28）, the 3rd hexagon socket head cap screw（29）, the 4th hexagon socket head cap screw（30）, the 5th hexagon socket head cap screw
（32）With the 6th hexagon socket head cap screw（33）Surface be respectively arranged with the first spring（9）With second spring（15）, first bullet
Spring（9）With second spring（15）First hexagon socket head cap screw of one side（27）, the second hexagon socket head cap screw（28）, the 3rd hexagon socket head cap screw
（29）, the 4th hexagon socket head cap screw（30）, the 5th hexagon socket head cap screw（32）With the 6th hexagon socket head cap screw（33）Surface is respectively arranged with
First adapter sleeve（8）With the second adapter sleeve（10）, first hexagon socket head cap screw（27）, the second hexagon socket head cap screw（28）, the 3rd
Hexagon socket head cap screw（29）, the 4th hexagon socket head cap screw（30）, the 5th hexagon socket head cap screw（32）With the 6th hexagon socket head cap screw（33）One
Side is provided with installing ring（6）, and cover board（4）With installing ring（6）Between pass through pin（5）It is connected, hexagonal spiral shell in described first
Bolt（27）, the second hexagon socket head cap screw（28）, the 3rd hexagon socket head cap screw（29）, the 4th hexagon socket head cap screw（30）, hexagonal spiral shell in the 5th
Bolt（32）With the 6th hexagon socket head cap screw（33）One side be all provided with handle（12）, the handle（12）One side be provided with fastening
Device（11）, the valve body（1）One side accumulator is connected with by conducting wire, and the surface of conducting wire is respectively arranged with the first electromagnetism
Valve（31）, second solenoid valve（34）, the 3rd solenoid valve（35）, the 4th solenoid valve（36）With the 5th solenoid valve（37）.
2. six sealings, zero friction accumulation of energy dual-top type spiral valve according to claim 1, it is characterised in that：The clamp device
（11）One side be provided with curved screw rod（13）.
3. six sealings, zero friction accumulation of energy dual-top type spiral valve according to claim 1, it is characterised in that：The installing ring
（13）One side be provided with lubricating loop（3）.
4. six sealings, zero friction accumulation of energy dual-top type spiral valve according to claim 1, it is characterised in that：The electricity piece（23）
One side be provided with bolt（24）.
5. six sealings, zero friction accumulation of energy dual-top type spiral valve according to claim 1, it is characterised in that：The valve body（1）
One end be respectively arranged with the first eduction valve（25）With the second eduction valve（26）.
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| CN108050267B CN108050267B (en) | 2023-09-26 |
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| CN203963039U (en) * | 2014-07-28 | 2014-11-26 | 慎江阀门有限公司 | There is the valve of stuffing seal |
| US20150129788A1 (en) * | 2013-11-14 | 2015-05-14 | Charles C. Hansen, III | Ball valve for cold fluids |
| CN104930213A (en) * | 2015-05-29 | 2015-09-23 | 嘉兴五洲阀门有限公司 | Spring energy storage seal ring seal ball valve |
| DE202016103711U1 (en) * | 2016-01-14 | 2016-07-22 | Yaoting Wang | Electromagnetic three-way proportional valve for the turbocharger |
| CN207599006U (en) * | 2017-12-15 | 2018-07-10 | 安徽铜都流体科技股份有限公司 | Six sealings, zero friction accumulation of energy dual-top type spiral valve |
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2017
- 2017-12-15 CN CN201711345644.4A patent/CN108050267B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030086952A (en) * | 2003-09-29 | 2003-11-12 | 신관철 | Ball valve |
| CN2795569Y (en) * | 2005-05-27 | 2006-07-12 | 李孙龙 | Pressure balance type siphone destructive valve |
| US20150129788A1 (en) * | 2013-11-14 | 2015-05-14 | Charles C. Hansen, III | Ball valve for cold fluids |
| CN203703226U (en) * | 2013-12-18 | 2014-07-09 | 雷蒙德（北京）阀门制造有限公司 | Double-piston double-blocking hard sealing valve seat with metal C-shaped ring sealing structure |
| CN203963039U (en) * | 2014-07-28 | 2014-11-26 | 慎江阀门有限公司 | There is the valve of stuffing seal |
| CN104930213A (en) * | 2015-05-29 | 2015-09-23 | 嘉兴五洲阀门有限公司 | Spring energy storage seal ring seal ball valve |
| DE202016103711U1 (en) * | 2016-01-14 | 2016-07-22 | Yaoting Wang | Electromagnetic three-way proportional valve for the turbocharger |
| CN207599006U (en) * | 2017-12-15 | 2018-07-10 | 安徽铜都流体科技股份有限公司 | Six sealings, zero friction accumulation of energy dual-top type spiral valve |
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