CN106286873A - A kind of inclined-plane guide-slot type ceramic gate valve - Google Patents
A kind of inclined-plane guide-slot type ceramic gate valve Download PDFInfo
- Publication number
- CN106286873A CN106286873A CN201610975473.2A CN201610975473A CN106286873A CN 106286873 A CN106286873 A CN 106286873A CN 201610975473 A CN201610975473 A CN 201610975473A CN 106286873 A CN106286873 A CN 106286873A
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- China
- Prior art keywords
- valve
- flashboard
- nut
- plane
- valve body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/12—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with wedge-shaped arrangements of sealing faces
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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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/0227—Packings
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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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/0281—Guillotine or blade-type valves, e.g. no passage through the valve member
-
- 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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
- F16K3/314—Forms or constructions of slides; Attachment of the slide to the spindle
Abstract
The invention discloses a kind of inclined-plane guide-slot type ceramic gate valve, including valve body, flashboard, valve rod, flashboard connecting pin, spacing shim, soket head cap screw I, valve gap, combined stuffing, gland, valve stem nut, support, handwheel, round nut, soket head cap screw II, hex nut, flat shim I, stud, acorn nut, flat shim II, valve bonnet seal pad, flashboard inclined-plane sealing ring, pottery panelling and ceramic valve seat, above described valve body, it is connected with valve gap by stud and acorn nut.Present configuration is reasonable, easy to operate, by improving in the design of the structure sealed and medium channel structure and in material selection, it is provided that a kind of inclined-plane guide-slot type ceramic gate valve, by pottery insert, ramp structure, guide groove structure；Ceramic seal circle wear-resistant seal is good, and ramp structure adds pretension than pressure；Guide groove structure, it is effective that solid dielectric guides circulation；In the valve service life increased, the flushing resistance of overall valve strengthens.
Description
Technical field
The present invention relates to gate valve technical field；It is specifically related to a kind of inclined-plane guide-slot type ceramic gate valve.
Background technology
The opening and closing element of gate valve is flashboard, and the direction of motion of flashboard is perpendicular with flow direction, and gate valve can only make standard-sized sheet with complete
Close, it is impossible to making adjustments and throttle, gate valve belongs to slip class valve.It on pipeline mainly as cut off medium use, i.e. standard-sized sheet or
Fully closed use, typically can not use as throttling.
Gate valve is commonly used in the overall dimensions to valve and is not strict with, and uses condition to compare again harsh field
Close, such as the working media of High Temperature High Pressure, it is desirable to closure member long term seal to be ensured etc..
The major advantage of gate valve is when valve fully opens, and the mass-energy straight-line pass of pipeline intermediary, thereby through valve
Fluid resistance is less.
Generally, use condition or require good seal performance, high pressure, high-pressure stop (pressure reduction is big), low pressure cut-off (pressure reduction is little),
Low noise, recommend gate valve when having air pocket and the phenomenon of vaporization, high-temperature medium, low temperature (deep cooling).At mud medium, to air
The occasion that leakage is few can select gate valve.At oil, chemical system, particularly oil, natural gas long-distance transport pipes on, suitable
For selecting the clamping plate type gate valve of band floating valve seat.Such flat gate valve has band pod apertures and dividing without pod apertures.
Flat gate valve with pod apertures is mainly used in oil, the gas pipeline to be carried out pipeline, the most large-scale, high parameter
With on the pipeline having automatization to require, the flat gate valve without pod apertures is applicable on various pipeline make headstock gear.
In industry, gate valve is all to use built-up welding hard sealing metal material secondary sealing of flashboard primary seal and valve seat at present
Being main, owing to the hardness of metal is inadequate, or sealing surface is the most smooth, cause sealing surface scratch of readily wearing and tearing,
Or produce cavitation erosion, erosion, and cause poorly sealed, dielectric leakage, the production of the factory of serious impact and project progress, very
To causing serious environmental effect and life security.Therefore during new design and research and development gate valve, it is necessary at sealing surface material
Material selects above, structure designs the research carried out and calculates.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of inclined-plane guide-slot type ceramic gate valve, in the selection of encapsulant
Upper, seal to design on supplementary structure and improve, so that the performance that is wear-resisting and that seal of gate valve is more prominent.
For solving the problems referred to above, the present invention adopts the following technical scheme that
A kind of inclined-plane guide-slot type ceramic gate valve, including valve body, flashboard, valve rod, flashboard connecting pin, spacing shim, interior hexagonal spiral shell
Nail I, valve gap, combined stuffing, gland, valve stem nut, support, handwheel, round nut, soket head cap screw II, hex nut, flat shim
I, stud, acorn nut, flat shim II, valve bonnet seal pad, flashboard inclined-plane sealing ring, pottery panelling and ceramic valve seat, institute
Stating and be connected with valve gap by stud and acorn nut above valve body, described valve body inner bottom part is provided with ceramic valve seat,
Being provided with pottery panelling on described ceramic valve seat, described valve inner is provided with flashboard, and described flashboard upper end is connected by flashboard
Pin and soket head cap screw I are connected with valve rod, and described valve stem tip is connected with support, described support by valve stem nut
On be connected with handwheel by round nut, described valve gap top is connected with pressure by soket head cap screw II and hex nut
Lid, is provided with combined stuffing, the inwall of described valve body is provided with and seals against each other with flashboard upper end between described gland and valve rod
The flashboard inclined-plane sealing ring connected；
Described valve inner upper end is provided with stem guiding groove, and described stem guiding groove radially contacts with the cylindrical in valve rod stage casing,
Described valve outlet position seals face is provided with 7 limited blocks uniformly；Described limited block coordinates with the inclined-plane of flashboard and is connected, institute
State and at the chamber exit of valve body, be provided with guiding gutter；Cannelure it is provided with, above described valve inner bottom described valve inner
Being provided with seal groove, described cannelure is connected with mutually confining bottom ceramic valve seat, described seal groove and ceramic valve seat top phase
It is tightly connected mutually.
Further, it is provided with spacing shim between described flashboard connecting pin and soket head cap screw I；Described gland and hexagonal
Flat shim I it is provided with between nut；Flat shim II it is provided with between described valve gap and acorn nut.
Further, described valve stem nut is stung by T-shaped tooth with the T-shaped ridge on valve rod and is connected, described valve rod
Head is provided with pilot hole, stop bit step and locating slot.
Further, described flashboard upper end uses arc-shaped structure, is arranged to tangent plane structure on arc-shaped structure.
Further, the big end of described valve gap uses oval end face, is formed by the ellipsoid of sealing gasket with valve body and seals,
The small end of valve gap and support carry out even part to be fixed, and forms complete support.
Present configuration is reasonable in design, easy for operation, the structure mainly sealed and the design of medium channel structure
Upper and material selects to improve, it is provided that a kind of inclined-plane guide-slot type ceramic gate valve, by ceramic insert, ramp structure, leads
To groove structure；Ceramic seal circle wear-resistant seal is good, and ramp structure adds pretension than pressure；Guide groove structure, solid dielectric guides
Circulate effective；In the valve service life increased, the flushing resistance of overall valve strengthens.
The type of flow of present media, the force way of opening and closing element, the mode of driving-chain consider, flowing to of valve
Structure uses gathering sill gradient formula structure, and valve rod up-down mode uses valve body guide groove structure, and the sealing surface of flashboard uses import
Ceramic structure exit ramp increases ratio substructure, the sealing effectiveness of the comprehensive valve strengthened from structure, in sealing, use longevity
Life.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to
Other accompanying drawing is obtained according to these accompanying drawings；
Fig. 1 is that the example cross-section of valve of the present invention assembles schematic diagram；
Fig. 2 is the view in full section of valve body of the present invention
Fig. 3 is the side view of valve body of the present invention；
Fig. 4 is the view in full section of ceramic valve seat of the present invention；
Fig. 5 is valve stem nut view in full section of the present invention；
Fig. 6 is valve rod outline drawing of the present invention；
Fig. 7 is flashboard connecting pin view in full section of the present invention
Fig. 8 is spacing shim view in full section of the present invention；
Fig. 9 is flashboard front view of the present invention；
Figure 10 is flashboard view in full section of the present invention；
Figure 11 is the profile of pottery panelling of the present invention
Figure 12 is the profile of flashboard inclined-plane of the present invention sealing ring.
Detailed description of the invention
Below in conjunction with the accompanying drawings the preferred embodiments of the present invention are described in detail, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, thus protection scope of the present invention is made apparent clear and definite defining.
Refering to shown in Fig. 1-12, a kind of inclined-plane guide-slot type ceramic gate valve, including valve body 1, flashboard 2, valve rod 3, flashboard company
Pin 4, spacing shim 5, soket head cap screw I 6, valve gap 7, combined stuffing 8, gland 9, valve stem nut 10, support 11, handwheel 12,
Round nut 13, soket head cap screw II 14, hex nut 15, flat shim I 16, stud 17, acorn nut 18, flat shim II
19, valve bonnet seal pad 20, flashboard inclined-plane sealing ring 21, pottery panelling 22 and ceramic valve seat 23, pass through double end above described valve body 1
Bolt 17 and acorn nut 18 are connected with valve gap 7, and described valve body 1 inner bottom part is provided with ceramic valve seat 23, described ceramic valve
Being provided with pottery panelling 22 on seat 23, described valve body 1 is internally provided with flashboard 2, and flashboard connecting pin 4 is passed through in described flashboard 2 upper end
Being connected with valve rod 3 with soket head cap screw I 6, described valve rod 3 top is connected with support 11, institute by valve stem nut 10
Stating and be connected with handwheel 12 by round nut 13 on support 11, soket head cap screw II 14 and hexagonal are passed through in described valve gap 7 top
Nut 15 is connected with gland 9, is provided with combined stuffing 8, the inwall of described valve body 1 sets between described gland 9 and valve rod 3
It is equipped with and seals against each other the flashboard inclined-plane sealing ring 21 being connected with flashboard 2 upper end；
Described valve body 1 inner upper end is provided with stem guiding groove 101, described stem guiding groove 101 and the cylindrical in valve rod stage casing 501
Radially contacting with, described valve body 1 exit position sealing surface is provided with 7 limited blocks 102 uniformly；Described limited block 102 and flashboard
Inclined-plane 1002 coordinate be connected, be provided with guiding gutter 103 at the chamber exit of described valve body 1；So some impurity in pipe and
Solid dielectric causes flashboard cannot close under lock in would not being deposited on groove.Medium can be derived and be spilt out by guiding gutter, from
And make valve use the time longer；
Described valve body 1 interior bottom portion is provided with cannelure 105, and described valve body 1 inner upper is provided with seal groove 104, described ring
Shape groove 105 is mutually confined with bottom ceramic valve seat 302 and is connected, described seal groove 104 and ceramic valve seat top 301 company of sealing against each other
Connect.
It should be noted that and be provided with spacing shim 5 between described flashboard connecting pin 4 and soket head cap screw I 6；Described pressure
It is provided with flat shim I 16 between lid 9 and hex nut 15；It is provided with flat shim II 19 between described valve gap 7 and acorn nut 18.
It should be noted that described valve stem nut 10 is stung and phase with the T-shaped ridge 502 on valve rod 3 by T-shaped tooth 401
Even, the head of described valve rod 3 is provided with pilot hole 503, stop bit step 504 and locating slot 505.
It should be noted that described flashboard 2 upper end uses arc-shaped structure, arc-shaped structure is arranged to tangent plane knot
Structure.
It should be noted that the big end of described valve gap 9 uses oval end face, by the ellipsoid shape of sealing gasket Yu valve body 1
Becoming to seal, the small end of valve gap 9 and support carry out even part to be fixed, and forms complete support.
The upper end cavity position of described valve body 1 arranges stem guiding groove 101 and radially contacts with valve rod stage casing 501 cylindrical, valve
Lift along gathering sill position when door opens and closes, can well protect valve rod when pressure medium occurs abnormal, make valve rod indeformable
Bending, and valve opening is to the thrust of lock flashboard evenly；The stability of whole driving-chain is more preferable.
The import sealing station of described valve devises cannelure, is heated by technology and pattern assembly when assembling so that valve
The cannelure of body expands spreading, is being inlayed into by ceramic valve seat, after waiting valve cooling, and ceramic valve seat top 301 and seal groove
104 touch and form complete static seal, and cannelure 105 just 302 is waled bottom ceramic valve seat after shrinking, and prevents valve seat from coming off；
Devise seal groove on flashboard upper inlet end face, heated by technology and pattern assembly when assembling so that the seal groove of flashboard
Expanding spreading, inlayed into by pottery panelling, after waiting valve cooling, bottom the ceramic panelling right side 901 and seal groove, 802 touch
Forming complete static seal, pottery panelling is waled after shrinking and is prevented from coming off by the outer ring of flashboard, the so ceramic panelling left side 902 and
Ceramic valve seat upper end 303 forms major-minor and seals, good sealing effect and wear-resisting resistance to erosion, and valve uses the time greatly to be carried
High.
What valve was designed with is double end dental structure, and double dental structure teeth are away from bigger, and same keying stroke lower valve is opened
Speed during closedown faster, and double T dental structure screw thread open time flashboard more stable lifting；The head design of valve rod guides
Hole 503, stop bit step 504 and locating slot 505, flashboard head 801 sticks in valve rod head locating slot 505, and flashboard connects pin rod
601 pass stem guiding hole 503, flashboard axis hole 802, by the spacing connection of spacing shim, are locked by soket head cap screw, its
Middle flashboard connects pin handle 602 and is adjacent to valve rod head 504, and spacing shim left end 701 and spacing shim right-hand member 702 are connected with flashboard
Pin left end head 603 and flashboard connecting pin right end 604 are fitted and connected and form complete adjustability location；During valve opening, operation
Person applies thrust to handwheel, passes to valve rod, finally by 503 thrust of valve rod by the double tooth T-shaped screw thread of valve stem nut
On flashboard, form a complete stable driving-chain；
Valve outlet position seals face is provided with 7 limited blocks uniformly, and is processed into angled ramp；The port of export processing of flashboard
Bottom surface groove and flashboard inclined-plane sealing ring, 1001 cooperatively form static seal, additionally devise inclined-plane 1002；So valve body is spacing
Block 102 cooperatively forms guiding sliding surface with the inclined-plane 1002 of flashboard, and time the most down, valve rod thrust is due to the reason on inclined-plane
Change into seal pressure divides the sealing effectiveness increasing inlet face to thrust.The thrust down applied is the biggest, is produced by inclined-plane
Sealing bigger than Asia, sealing effectiveness is the best.
The type of flow of present media, the force way of opening and closing element, the mode of driving-chain consider, flowing to of valve
Structure uses gathering sill gradient formula structure, and valve rod up-down mode uses valve body guide groove structure, and the sealing surface of flashboard uses import
Ceramic structure exit ramp increases ratio substructure, the sealing effectiveness of the comprehensive valve strengthened from structure, in sealing, use longevity
Life.
The standardized element that the present invention uses all can commercially, and shaped piece is according to the note with accompanying drawing of description
Load all can carry out customized, and the concrete connected mode of each part all uses the bolt of maturation, rivet, welding etc. in prior art
Conventional means, machinery, part and equipment all uses in prior art, conventional model, adds that circuit is connected by prior art
The connected mode of middle routine, is not described in detail in this.
The ultimate principle of the present invention and principal character and advantages of the present invention have more than been shown and described.The technology of the industry
Personnel, it should be appreciated that the present invention is not restricted to the described embodiments, simply illustrating this described in above-described embodiment and description
The principle of invention, without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, and these become
Change and improvement both falls within scope of the claimed invention.Claimed scope by appending claims and
Equivalent defines.
Claims (5)
1. an inclined-plane guide-slot type ceramic gate valve, it is characterised in that: include that valve body (1), flashboard (2), valve rod (3), flashboard are even
Pin (4), spacing shim (5), soket head cap screw I (6), valve gap (7), combined stuffing (8), gland (9), valve stem nut (10),
Support (11), handwheel (12), round nut (13), soket head cap screw II (14), hex nut (15), flat shim I (16), double end spiral shell
Bolt (17), acorn nut (18), flat shim II (19), valve bonnet seal pad (20), flashboard inclined-plane sealing ring (21), pottery panelling
(22) and it is connected with valve by stud (17) and acorn nut (18) above ceramic valve seat (23), described valve body (1)
Lid (7), described valve body (1) inner bottom part is provided with ceramic valve seat (23), and described ceramic valve seat (23) is provided with pottery panelling
(22), described valve body (1) is internally provided with flashboard (2), and flashboard connecting pin (4) and interior hexagonal spiral shell are passed through in described flashboard (2) upper end
Nail I (6) is connected with valve rod (3), and described valve rod (3) top is connected with support (11), institute by valve stem nut (10)
Stating and be connected with handwheel (12) by round nut (13) on support (11), soket head cap screw II is passed through at described valve gap (7) top
(14) and hex nut (15) is connected with gland (9), it is provided with combined stuffing between described gland (9) and valve rod (3)
(8), the inwall of described valve body (1) is provided with seals against each other flashboard inclined-plane sealing ring (21) being connected with flashboard (2) upper end；
Described valve body (1) inner upper end is provided with stem guiding groove (101), described stem guiding groove (101) and valve rod stage casing
(501) cylindrical radially contacts with, and described valve body (1) exit position sealing surface is provided with 7 limited blocks (102) uniformly；Described
Limited block (102) coordinates with the inclined-plane (1002) of flashboard and is connected, and is provided with guiding gutter at the chamber exit of described valve body (1)
(103)；Described valve body (1) interior bottom portion is provided with cannelure (105), and described valve body (1) inner upper is provided with seal groove
(104), described cannelure (105) is mutually confined with (302) bottom ceramic valve seat and is connected, described seal groove (104) and ceramic valve
Seat top (301) seals against each other connection.
A kind of inclined-plane the most according to claim 1 guide-slot type ceramic gate valve, it is characterised in that: described flashboard connecting pin
And between soket head cap screw I (6), be provided with spacing shim (5) (4)；It is provided with between described gland (9) and hex nut (15)
Flat shim I (16)；Flat shim II (19) it is provided with between described valve gap (7) and acorn nut (18).
A kind of inclined-plane the most according to claim 1 guide-slot type ceramic gate valve, it is characterised in that: described valve stem nut (10)
Being stung by T-shaped tooth (401) with the T-shaped ridge (502) on valve rod (3) and be connected, the head of described valve rod (3) is provided with guiding
Hole (503), stop bit step (504) and locating slot (505).
A kind of inclined-plane the most according to claim 1 guide-slot type ceramic gate valve, it is characterised in that: described flashboard (2) upper end
Use arc-shaped structure, arc-shaped structure is arranged to tangent plane structure.
A kind of inclined-plane the most according to claim 1 guide-slot type ceramic gate valve, it is characterised in that: described valve gap (9) big
End uses oval end face, is formed by the ellipsoid of sealing gasket with valve body (1) and seals, and the small end of valve gap (9) and support are carried out even
Part is fixed, and forms complete support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610975473.2A CN106286873A (en) | 2016-11-07 | 2016-11-07 | A kind of inclined-plane guide-slot type ceramic gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610975473.2A CN106286873A (en) | 2016-11-07 | 2016-11-07 | A kind of inclined-plane guide-slot type ceramic gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106286873A true CN106286873A (en) | 2017-01-04 |
Family
ID=57720831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610975473.2A Pending CN106286873A (en) | 2016-11-07 | 2016-11-07 | A kind of inclined-plane guide-slot type ceramic gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106286873A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107435744A (en) * | 2017-09-18 | 2017-12-05 | 宝鸡泰华磁机电技术研究所有限公司 | Static seal driven type gate valve with inclined-plane alloy seal and scarfing cinder structure |
| CN109854768A (en) * | 2019-02-22 | 2019-06-07 | 上海冠龙阀门自控有限公司 | A kind of anti-incrustation soft seal flat gate valve |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4441688A (en) * | 1981-12-10 | 1984-04-10 | Tomozo Kato | Bonnetless compact design gate valve |
| US6171070B1 (en) * | 1997-05-09 | 2001-01-09 | Hakusu Tech Co., Ltd. | High-pressure reciprocating pumps |
| CN2632418Y (en) * | 2003-08-05 | 2004-08-11 | 四川省机设工业制造有限公司 | Ceramic plate sluice valves |
| CN2683953Y (en) * | 2004-02-07 | 2005-03-09 | 曾杰武 | All ceramic lining corrosionproof, abrasionproof and high temperature resistant gate valve |
| CN2755370Y (en) * | 2004-10-10 | 2006-02-01 | 天津市圣恺工业技术发展有限公司 | Abrasive-resistant ceramic wedge slag guiding sluice valve for preventing slag on bottom |
| CN101749446A (en) * | 2010-01-27 | 2010-06-23 | 上海凯科阀门制造有限公司 | Rising stem knife-shaped gate valve |
| CN203404402U (en) * | 2013-08-09 | 2014-01-22 | 福建捷斯特阀门制造有限公司 | Direct connection counter pressure type pulp stock valve |
| CN206190944U (en) * | 2016-11-07 | 2017-05-24 | 施瑞德阀门(厦门)有限公司 | Inclined plane direction slot type pottery gate valve |
-
2016
- 2016-11-07 CN CN201610975473.2A patent/CN106286873A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4441688A (en) * | 1981-12-10 | 1984-04-10 | Tomozo Kato | Bonnetless compact design gate valve |
| US6171070B1 (en) * | 1997-05-09 | 2001-01-09 | Hakusu Tech Co., Ltd. | High-pressure reciprocating pumps |
| CN2632418Y (en) * | 2003-08-05 | 2004-08-11 | 四川省机设工业制造有限公司 | Ceramic plate sluice valves |
| CN2683953Y (en) * | 2004-02-07 | 2005-03-09 | 曾杰武 | All ceramic lining corrosionproof, abrasionproof and high temperature resistant gate valve |
| CN2755370Y (en) * | 2004-10-10 | 2006-02-01 | 天津市圣恺工业技术发展有限公司 | Abrasive-resistant ceramic wedge slag guiding sluice valve for preventing slag on bottom |
| CN101749446A (en) * | 2010-01-27 | 2010-06-23 | 上海凯科阀门制造有限公司 | Rising stem knife-shaped gate valve |
| CN203404402U (en) * | 2013-08-09 | 2014-01-22 | 福建捷斯特阀门制造有限公司 | Direct connection counter pressure type pulp stock valve |
| CN206190944U (en) * | 2016-11-07 | 2017-05-24 | 施瑞德阀门(厦门)有限公司 | Inclined plane direction slot type pottery gate valve |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107435744A (en) * | 2017-09-18 | 2017-12-05 | 宝鸡泰华磁机电技术研究所有限公司 | Static seal driven type gate valve with inclined-plane alloy seal and scarfing cinder structure |
| CN107435744B (en) * | 2017-09-18 | 2023-03-14 | 宝鸡泰华磁机电技术研究所有限公司 | Static seal transmission type gate valve with inclined plane alloy seal and slag removal structure |
| CN109854768A (en) * | 2019-02-22 | 2019-06-07 | 上海冠龙阀门自控有限公司 | A kind of anti-incrustation soft seal flat gate valve |
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Application publication date: 20170104 |
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| RJ01 | Rejection of invention patent application after publication |