CN106468361A - Two-way all-sealed knife gate valve - Google Patents
Two-way all-sealed knife gate valve Download PDFInfo
- Publication number
- CN106468361A CN106468361A CN201510520331.2A CN201510520331A CN106468361A CN 106468361 A CN106468361 A CN 106468361A CN 201510520331 A CN201510520331 A CN 201510520331A CN 106468361 A CN106468361 A CN 106468361A
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- CN
- China
- Prior art keywords
- valve
- flashboard
- support
- ring
- 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
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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
-
- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Valves (AREA)
- Sliding Valves (AREA)
Abstract
The invention discloses a kind of two-way all-sealed knife gate valve, it includes valve body etc., valve body is located at the bottom of the two-way all-sealed knife gate valve of the present invention, flashboard is connected with valve rod, flashboard is arranged in valve body, bolt is located above the outside of valve body, and support is located above valve body, and the first clamp nut is located at the lower left side of support.The present invention is reasonable in design, compact conformation, good sealing effect, and life-time service does not interfere with sealing yet, and because the edge of sealing block is fillet, flashboard therefore also will not be made to scratch.
Description
Technical field
The present invention relates to a kind of knife gate valve, more particularly to a kind of two-way all-sealed knife gate valve.
Background technology
Knife gate valve is flashboard also known as knife door lock valve or blade type Parallel Slide Valves, its opening and closing element, the motion side of flashboard
To perpendicular with flow direction, by medium, flashboard being cut off with the knife-edge flashboard of cutting fiber material
There are two sealing surfaces, two sealing surfaces of the most frequently used pattern slide valve form wedge shape, key groove with valve
Parameter and different, usually 50, the flashboard of wedge-type knife gate valve can be integrally formed, and is called rigid lock
Plate；The flashboard that can produce micro-deformation can also be made, to improve its manufacturability, make up sealing surface angle
The deviation producing in process, this flashboard is called flexible disc.
But current knife gate valve is when in use, the sealing effectiveness between flashboard and valve body is bad, especially
It is one-way sealing knife gate valve, because flashboard is in extrusion process, can cause loosening between part, knot
Structure is not compact, therefore there is the situation of leakage.
Content of the invention
The technical problem to be solved is to provide a kind of two-way all-sealed knife gate valve, and its design is closed
Reason, compact conformation, good sealing effect, life-time service does not interfere with sealing yet, and due to sealing block
Edge is fillet, and flashboard therefore also will not be made to scratch.
The present invention is to solve above-mentioned technical problem by following technical proposals：A kind of two-way all-sealed
Knife gate valve is it is characterised in that it includes valve body, flashboard, bolt, the first clamp nut, support, fills out
Material, gland, standard component, valve rod, the second clamp nut, bracket head, valve stem nut, thrust axis
Hold, lock nut, handwheel, pin, flashboard is connected with valve rod, and flashboard is arranged in valve body, and bolt is located at
Above the outside of valve body, support is located above valve body, and the first clamp nut is located at the lower left side of support,
Filler, gland, standard component are all located at the top of valve body, and filler, gland, standard component are all
In the lower right side of support, filler in the lower section of gland, standard component be located at filler, gland outer
Side, and standard component fixes filler, gland, and valve rod is located at the upper right side of support, the second fastening spiral shell
Female upper left side being located at support, and the fixing handwheel of the second clamp nut and support, bracket head, valve stem nut,
Thrust bearing, lock nut are all located at the upper right side of valve rod, and valve stem nut is close to valve rod, lock nut
Positioned at the top of bracket head, left side is close to valve stem nut, and thrust bearing is located at the inside of bracket head, and
It is close to valve stem nut on the left of thrust bearing, pins position is in the inside of valve body, and pins position is in the left side of flashboard.
Preferably, described two-way all-sealed knife gate valve also includes bearing pin, valve seat, voussoir, first O-shaped
Circle, the second O-ring, alignment pin, valve seat pad, chuck, drive mechanism, flashboard chamber, sealing block, drive
Motivation structure is located between support and handwheel, and bearing pin is located at below internal stent, and chuck is located at the top of bearing pin,
Flashboard chamber is provided with valve body, is provided with sealing block in the top of flashboard cavity wall, middle part, bottom, sealing
Block and rams contact, the edge shape of the contact surface of sealing block is fillet, is provided with valve seat on the left of body base,
Valve seat pad is located at the lower section of valve seat, is provided with voussoir, the first O-ring, second O-shaped on the right side of body base
Circle, alignment pin, the first O-ring is located between voussoir and alignment pin, and the second O-ring is located at an O
The lower section of type circle, and the second O-ring is adjacent with alignment pin.
The positive effect of the present invention is：The present invention is reasonable in design, compact conformation, good sealing effect,
Life-time service does not interfere with sealing yet, and because the edge shape of sealing block is fillet, therefore will not yet
Flashboard is made to scratch.Present configuration is simple, low cost.
Brief description
Fig. 1 is the front view of the two-way all-sealed knife gate valve of the present invention.
Fig. 2 is the side view of the two-way all-sealed knife gate valve of the present invention.
Fig. 3 is the structural representation of bearing pin and chuck in the present invention.
Fig. 4 is the structure of the element such as valve seat, voussoir, the first O-ring, second O-ring in the present invention
Schematic diagram.
Specific embodiment
Provide present pre-ferred embodiments below in conjunction with the accompanying drawings, to describe technical scheme in detail.
As shown in figure 1, the two-way all-sealed knife gate valve of the present invention include valve body 1, flashboard 2, bolt 3,
First clamp nut 4, support 5, filler 6, gland 7, standard component 8, valve rod 9, second are tight
Gu nut 10, bracket head 11, valve stem nut 12, thrust bearing 13, lock nut 14, handwheel 15,
Pin 16, valve body 1 is located at the bottom of the two-way all-sealed knife gate valve of the present invention, and flashboard 2 is connected with valve rod 9,
Flashboard 2 is arranged in valve body 1, and bolt 3 is located above the outside of valve body 1, and support 5 is located at valve body 1
Top, the first clamp nut 4 is located at the lower left side of support 5, filler 6, gland 7, standard
Part 8 is all located at the top of valve body 1, and filler 6, gland 7, standard component 8 are all in support 5
Lower right side, in the lower section of gland 7, standard component 8 is located at filler 6, gland 7 to filler 6
Outside, and standard component 8 fixes filler 6, gland 7, and valve rod 9 is located at the upper right side of support 5,
Second clamp nut 10 is located at the upper left side of support 5, and handwheel 15 He fixed by the second clamp nut 10
Support 5 bracket head 11, valve stem nut 12, thrust bearing 13, lock nut 14 are located at the right side of valve rod 9
Top, valve stem nut 12 is close to valve rod 9, and lock nut 14 is located at the top of bracket head 11, left
Side is close to valve stem nut 12, and thrust bearing 13 is located at the inside of bracket head 11, and thrust bearing 13
Left side is close to valve stem nut 12, and pin 16 is located at the inside of valve body 1, and pin 16 is located at flashboard 2
Left side.
As shown in Figures 2 to 4, the two-way all-sealed knife gate valve of the present invention also includes bearing pin 17, valve seat
18th, voussoir 19, the first O-ring 20, the second O-ring 21, alignment pin 22, valve seat pad 23, folder
24, drive mechanism 25, flashboard chamber 26, sealing block 27, drive mechanism 25 is located at support 5 and handss
Between wheel 15, bearing pin 17 is located at support 5 lower inside, and chuck 24 is located at the top of bearing pin 17,
Valve body 1 is provided with flashboard chamber 26, passes through spiral shell respectively in the top of flashboard chamber 26 inwall, middle part, bottom
Silk has been fixedly installed sealing block 27, and sealing block 27 is contacted with flashboard 2, the edge of the contact surface of sealing block
For fillet, can prevent flashboard 2 from scratching, valve body 1 bottom left is provided with valve seat 18, valve seat pad 23 is located at
The lower section of valve seat 18, it is O-shaped that valve body 1 bottom right is provided with voussoir 19, the first O-ring 20, second
Circle 21, alignment pin 22, the first O-ring 20 is located between voussoir 19 and alignment pin 22, the 2nd O
Type circle 21 is located at the lower section of the first O-ring 20, and the second O-ring 21 is adjacent with alignment pin 22.
The two-way all-sealed knife gate valve of the present invention is provided with sealing block 27, when flashboard 2 in flashboard chamber 26
When moving down, to a side shifting after contact valve seat 18, press with sealing block 27, by this structure,
Not only ensure that its sealing, and life-time service does not interfere with sealing yet, due to sealing block 27
Edge shape is fillet, and flashboard 2 therefore also will not be made to scratch.
Particular embodiments described above, to the technical problem of the solution of the present invention, technical scheme and beneficial
Effect is further described, and be should be understood that the concrete reality that the foregoing is only the present invention
Apply example, be not limited to the present invention, all within the spirit and principles in the present invention, done appoint
What modification, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (2)
1. a kind of two-way all-sealed knife gate valve it is characterised in that it include valve body, flashboard, bolt,
First clamp nut, support, filler, gland, standard component, valve rod, the second clamp nut,
Frame head, valve stem nut, thrust bearing, lock nut, handwheel, pin, flashboard is connected with valve rod, flashboard
It is arranged in valve body, bolt is located above the outside of valve body, support is located above valve body, the first fastening spiral shell
Female lower left side being located at support, filler, gland, standard component are all located at the top of valve body, and fill out
, all in the lower right side of support, filler is in the lower section of gland, standard component for material, gland, standard component
Positioned at the outside of filler, gland, and standard component fixes filler, gland, and valve rod is located at and props up
The upper right side of frame, the second clamp nut is located at the upper left side of support, and the fixing handwheel of the second clamp nut and
Support, bracket head, valve stem nut, thrust bearing, lock nut are all located at the upper right side of valve rod, valve rod
Nut is close to valve rod, and lock nut is located at the top of bracket head, and left side is close to valve stem nut, thrust
Bearing is located at the inside of bracket head, and is close to valve stem nut on the left of thrust bearing, and pins position is in valve body
Portion, and pins position is in the left side of flashboard.
2. as claimed in claim 1 two-way all-sealed knife gate valve it is characterised in that described two-way
All-sealed knife gate valve also includes bearing pin, valve seat, voussoir, the first O-ring, the second O-ring, determines
Position pin, valve seat pad, chuck, drive mechanism, flashboard chamber, sealing block, drive mechanism is located at support and handss
Between wheel, bearing pin is located at below internal stent, and chuck is located at the top of bearing pin, is provided with flashboard on valve body
Chamber, is provided with sealing block, sealing block and rams contact in the top of flashboard cavity wall, middle part, bottom, close
The edge shape of the contact surface of envelope block is fillet, is provided with valve seat on the left of body base, and valve seat pad is located at valve seat
Lower section, be provided with voussoir, the first O-ring, the second O-ring, alignment pin on the right side of body base,
One O-ring is located between voussoir and alignment pin, and the second O-ring is located at the lower section of the first O-ring, and
Second O-ring is adjacent with alignment pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510520331.2A CN106468361A (en) | 2015-08-21 | 2015-08-21 | Two-way all-sealed knife gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510520331.2A CN106468361A (en) | 2015-08-21 | 2015-08-21 | Two-way all-sealed knife gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106468361A true CN106468361A (en) | 2017-03-01 |
Family
ID=58229070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510520331.2A Pending CN106468361A (en) | 2015-08-21 | 2015-08-21 | Two-way all-sealed knife gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106468361A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109652305A (en) * | 2019-01-11 | 2019-04-19 | 中国农业科学院兰州畜牧与兽药研究所 | A kind of anaerobism material blending tank |
| CN109723847A (en) * | 2018-12-29 | 2019-05-07 | 上海凯工阀门股份有限公司 | A kind of knife gate valve |
| CN109723847B (en) * | 2018-12-29 | 2024-05-31 | 上海凯工阀门股份有限公司 | Knife gate valve |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2603883Y (en) * | 2003-01-17 | 2004-02-18 | 上海艾维科阀门有限公司 | Blind bar knife switch valve |
| US7431264B2 (en) * | 2004-12-22 | 2008-10-07 | Michel Leroux | Knife gate valve |
| CN201475393U (en) * | 2009-08-03 | 2010-05-19 | 立信阀门集团有限公司 | Eccentric knife-shaped gate valve |
| CN201621307U (en) * | 2010-01-27 | 2010-11-03 | 上海凯科阀门制造有限公司 | Non-rising stem butterfly knife gate valve |
| CN201627951U (en) * | 2010-01-27 | 2010-11-10 | 上海凯科阀门制造有限公司 | Rising stem knife type gate valve |
| CN203686196U (en) * | 2013-11-08 | 2014-07-02 | 浙江中诚阀门有限公司 | Movable seal sluice valve |
-
2015
- 2015-08-21 CN CN201510520331.2A patent/CN106468361A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2603883Y (en) * | 2003-01-17 | 2004-02-18 | 上海艾维科阀门有限公司 | Blind bar knife switch valve |
| US7431264B2 (en) * | 2004-12-22 | 2008-10-07 | Michel Leroux | Knife gate valve |
| CN201475393U (en) * | 2009-08-03 | 2010-05-19 | 立信阀门集团有限公司 | Eccentric knife-shaped gate valve |
| CN201621307U (en) * | 2010-01-27 | 2010-11-03 | 上海凯科阀门制造有限公司 | Non-rising stem butterfly knife gate valve |
| CN201627951U (en) * | 2010-01-27 | 2010-11-10 | 上海凯科阀门制造有限公司 | Rising stem knife type gate valve |
| CN203686196U (en) * | 2013-11-08 | 2014-07-02 | 浙江中诚阀门有限公司 | Movable seal sluice valve |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109723847A (en) * | 2018-12-29 | 2019-05-07 | 上海凯工阀门股份有限公司 | A kind of knife gate valve |
| CN109723847B (en) * | 2018-12-29 | 2024-05-31 | 上海凯工阀门股份有限公司 | Knife gate valve |
| CN109652305A (en) * | 2019-01-11 | 2019-04-19 | 中国农业科学院兰州畜牧与兽药研究所 | A kind of anaerobism material blending tank |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170301 |