CN207621392U - A kind of hard-sealing zero leakage knife valve - Google Patents
A kind of hard-sealing zero leakage knife valve Download PDFInfo
- Publication number
- CN207621392U CN207621392U CN201721426417.XU CN201721426417U CN207621392U CN 207621392 U CN207621392 U CN 207621392U CN 201721426417 U CN201721426417 U CN 201721426417U CN 207621392 U CN207621392 U CN 207621392U
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- knife
- sealing
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Abstract
The utility model discloses a kind of hard-sealing zeros to reveal knife valve, including the interior valve body for setting medium runner, the bottom of the valve body is the hard sealing surface of cylinder, the inner flange of the hard sealing surface of cylinder is connected with slotted nut, the bottom of the valve body is welded with valve seat, it is fixedly connected with valve deck in the middle part of the valve body, it is welded with adjust pad in the middle part of the valve body, the valve seat is connected with gasket seal, the top movable of the gasket seal is connected with valve plate, the upper weld of the valve plate has stuffing-box, the inside of the stuffing-box is filled with filler, the top riveting of the valve plate has valve rod, holder is installed in the middle part of the valve rod, the top movable of the valve rod is connected with handwheel, anti-attrition set is bonded in the middle part of the valve rod, the anti-attrition, which is put on, is welded with guide pin.Hard-sealing zero leakage knife valve has many advantages, such as that light-duty saving, channel are smooth, easy to install, can be widely applied to coal chemical industry, the harsh working condition such as steel-making.
Description
Technical field
The utility model belongs to hard-sealing zero leakage knife valve technology field, and in particular to a kind of hard-sealing zero leakage knife valve.
Background technology
Knife gate valve have simple and compact for structure, reasonable design, light-duty saving, operation is flexible, small, channel is smooth,
The advantages that flow resistance is small, light-weight, easy to install, share the coal separation in mine power plant, deslagging, municipal sewage treatment, food, papermaking,
The oil products such as medicine, oil, chemical industry, water, on steam pipework, connect or block cement pulp-water in pipeline, gold mine powder, ore in sand form,
Clinker, coal slime, paper pulp, wood pulp, tailing, fiber, dust, chemical treatments sewage, sedimentation basin, pitch, bin outlet, fruit,
Cereal slaughters the media such as factory's waste water.Enter China from the eighties.In less than the vicennial time, use scope is from general
Logical field extends to more wide all trades and professions.The sewage in city has been developed to from the coal separation of mine power plant, discharge refuse, deslagging
Processing, the special pipelines system such as food, health, medicine has been developed to from general industrial pipeline.Extra-thin knife gate valve is with it
Small, the advantages that flow resistance is small, light-weight, easy to install, quick detachable, thoroughly solves common gate valve, flat gate valve, ball valve, cut-off
The knotty problem that the flow resistance of the classes valve such as valve, regulating valve, butterfly valve is big, weight is big, installation is difficult, takes up a large area etc..Knife gate valve goes out
After now, a large amount of general cut-out class valve and control valve are replaced by it.
The conventional flange shut-off valve time, which has been grown, just will produce gap between valve rod and valve body, some has additional airtight and watertight padding,
But gap it is too big if airtight and watertight padding also can be slowly be lost in from gap, it is poor to finally result in valve tightness, service life
It is short.
Utility model content
The purpose of this utility model is to provide a kind of hard-sealing zeros to reveal knife valve, to solve to propose in above-mentioned background technology
The problem of.
To achieve the above object, the utility model provides the following technical solutions：A kind of hard-sealing zero leakage knife valve, including it is interior
If the valve body of medium runner, the bottom of the valve body is the hard sealing surface of cylinder, and the inner flange of the hard sealing surface of cylinder connects
There are slotted nut, the bottom of the valve body to be welded with valve seat, be fixedly connected with valve deck in the middle part of the valve body, in the valve body
Portion is welded with adjust pad, and the valve seat is connected with gasket seal, and the top movable of the gasket seal is connected with valve plate, institute
The upper weld for stating valve plate has stuffing-box, the inside of the stuffing-box to be filled with filler, and the top riveting of the valve plate has valve rod, institute
It states and holder is installed in the middle part of valve rod, the top movable of the valve rod is connected with handwheel, and anti-attrition is bonded in the middle part of the valve rod
Set, the anti-attrition, which is put on, is welded with guide pin.
Preferably, it is step-like structure at valve body installation valve seat, and there are two being symmetrically installed about valve plate.
Preferably, the contact surface between the valve deck and valve body is stained with gasket seal.
Preferably, adjust pad is welded in the middle part of the valve body, the quantity of the adjust pad is two.
Preferably, there is medium runner in the inside of the valve body.
The technique effect and advantage of the utility model：The hard-sealing zero reveals knife valve, and valve body is internally provided on valve plate
The guide groove structure of lower movement, valve plate only move up and down, and valve seat uniform force is equipped with gasket between valve seat and valve
Piece substantially increases its sealing performance, and the hard sealing surface of cylinder does not generate electrostatic with valve seat friction, while adjust pad has adjustment valve
The effect of molecule, ensures knife valve normal operation, extends valve service life on Board position, cleaning valve plate.
Description of the drawings
Fig. 1 is the front view that the utility model hard-sealing zero reveals knife valve；
Fig. 2 is the side view of the firmly close property zero leakage knife valve of the utility model.
In figure：1 valve rod, 2 handwheels, 3 holders, 4 fillers, 5 stuffing-boxes, 6 valve plates, 7 gasket seals, 8 adjust pads, 9 valve decks,
10 valve seats, 11 valve bodies, 12 slotted nuts, 13 anti-attrition sets, 14 guide pins, the hard sealing surface of 15 cylinders.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Referring to Fig. 1, Fig. 1 is the front view that hard-sealing zero reveals knife valve, a kind of hard-sealing zero reveals knife valve, including interior sets
The valve body 11 of medium runner, the bottom of the valve body 11 are the hard sealing surface 15 of cylinder, the hard sealing surface 15 of cylinder when knife valve is closed,
It ensure that its leakproofness, the inner flange of the hard sealing surface of the cylinder 15 is connected with slotted nut 12, it is ensured that the quality of knife valve,
The top of the valve body 11 is equipped with valve rod 1, is moved up and down convenient for valve plate 6, and the top movable of the valve rod 1 is connected with handwheel 2,
Handwheel 2 is rotated, valve plate 6 moves up and down, and the lower section of the handwheel 2 is fixedly connected with holder 3, and holder 3 is used for connecting handwheel 2 and fill out
Expect that letter 5, the bottom end of the holder 3 are welded with stuffing-box 5, the inside of the stuffing-box 5 is filled with filler 4, the bottom of the stuffing-box 5
End is welded with valve plate 6, and the bottom of the valve plate 6 is connected with gasket seal 7, enhances the leakproofness of knife valve.
Referring to Fig. 2, Fig. 2 is the side view of hard close property zero leakage knife valve, valve body 11 is internally provided with for being moved down on valve plate 6
Dynamic guide groove structure, valve plate 6 only move up and down, and the bottom of the valve body 11 is welded with valve seat 10, is step at valve seat 10
Shape structure, pressure is preferably born when closing knife valve, and the middle part of the valve body 11 is fixedly connected with valve deck 9, valve deck 9 and valve body
Contact surface between 11 is stained with gasket seal 7, enhances the seal of knife valve, and the middle part of the valve body 11 is welded with adjust pad 8,
The position that valve plate 6 is adjusted when knife valve works, extends the service life of valve, and hard-sealing zero leakage knife valve arrangement is simple, makes
Facilitate, using the structure for moving up and down valve plate, keeps its leakproofness higher.
Operation principle：The valve body 11 of medium runner is inside set, upper part is provided with the adjust pad 8 for 6 upper and lower displacement of flashboard,
The adjust pad 8 and flashboard 6 cooperate, and flashboard 6 moves up and down in guide groove and cannot move left and right, gasket seal 7 with
The combination of valve seat 10 ensure that leakproofness：Guide pin 14 passes through both ends outer circle installation anti-attrition set 13 after valve rod 1, both ends anti-attrition set 13
It is fixed with slotted nut 12, axial float can be prevented and realizes online replacement function.
Finally it should be noted that：The above descriptions are merely preferred embodiments of the present invention, is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it still can be with technical scheme described in the above embodiments is modified, or to which part technical characteristic
Equivalent replacement is carried out, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (5)
1. a kind of hard-sealing zero reveals knife valve, including the interior valve body (11) for setting medium runner, it is characterised in that：The valve body (11)
Bottom be the hard sealing surface of cylinder (15), the inner flange of the hard sealing surface of cylinder (15) is connected with slotted nut (12), institute
The bottom for stating valve body (11) is welded with valve seat (10), and valve deck (9), the valve body are fixedly connected in the middle part of the valve body (11)
(11) adjust pad (8) is welded in the middle part of, the valve seat (10) is connected with gasket seal (7), the gasket seal (7)
Top movable is connected with valve plate (6), and the upper weld of the valve plate (6) has stuffing-box (5), the inside of the stuffing-box (5) to fill out
There is filler (4), the top riveting of the valve plate (6) has valve rod (1), holder (3) is equipped in the middle part of the valve rod (1), described
The top movable of valve rod (1) is connected with handwheel (2), and anti-attrition set (13), the anti-attrition set are bonded in the middle part of the valve rod (1)
(13) guide pin (14) is welded on.
2. a kind of hard-sealing zero according to claim 1 reveals knife valve, it is characterised in that：The valve body (11) installs valve seat
(10) it is step-like structure at, and there are two being symmetrically installed about valve plate (6).
3. a kind of hard-sealing zero according to claim 1 reveals knife valve, it is characterised in that：The valve deck (9) and valve body
(11) contact surface between is stained with gasket seal (7).
4. a kind of hard-sealing zero according to claim 1 reveals knife valve, it is characterised in that：It welds at the middle part of the valve body (11)
It is connected to adjust pad (8), the quantity of the adjust pad (8) is two.
5. a kind of hard-sealing zero according to claim 1 reveals knife valve, it is characterised in that：The inside of the valve body (11) has
Medium runner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721426417.XU CN207621392U (en) | 2017-10-31 | 2017-10-31 | A kind of hard-sealing zero leakage knife valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721426417.XU CN207621392U (en) | 2017-10-31 | 2017-10-31 | A kind of hard-sealing zero leakage knife valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207621392U true CN207621392U (en) | 2018-07-17 |
Family
ID=62827200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721426417.XU Expired - Fee Related CN207621392U (en) | 2017-10-31 | 2017-10-31 | A kind of hard-sealing zero leakage knife valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207621392U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111075938A (en) * | 2019-12-31 | 2020-04-28 | 中国航空工业集团公司沈阳飞机设计研究所 | Deposit valve |
-
2017
- 2017-10-31 CN CN201721426417.XU patent/CN207621392U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111075938A (en) * | 2019-12-31 | 2020-04-28 | 中国航空工业集团公司沈阳飞机设计研究所 | Deposit valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180717 Termination date: 20181031 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |