CN206386493U - Two-way hard seal spiral valve - Google Patents
Two-way hard seal spiral valve Download PDFInfo
- Publication number
- CN206386493U CN206386493U CN201621358034.9U CN201621358034U CN206386493U CN 206386493 U CN206386493 U CN 206386493U CN 201621358034 U CN201621358034 U CN 201621358034U CN 206386493 U CN206386493 U CN 206386493U
- Authority
- CN
- China
- Prior art keywords
- valve
- pressing plate
- valve body
- spiral
- valve seat
- 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.)
- Active
Links
Landscapes
- Taps Or Cocks (AREA)
Abstract
The utility model discloses two-way hard seal spiral valve, the spiral valve includes bottom, valve body, lower valve rod, ball plate, valve seat, upper valve rod, filler, gland, worm gear case and support；Insulation spacer is provided between bottom and valve body, support is fixed on valve body by bolt, nut, and worm gear case is rack-mount by flange, bearing is provided between upper valve rod and valve body；Spherical structure is used between ball plate and the sealing surface of valve seat；Spiral valve also includes a pressing plate, and pressing plate is responsible for that valve seat is fixed, and pressing plate is fixed through pressing plate and valve body for hexagon socket head cap screw, and cylindrical spring and the first O-ring are provided between valve seat and pressing plate, and the second O-ring is provided between pressing plate and valve body.The utility model is simple in construction, service life length, sealing high, maintenance cost is low.
Description
Technical field
The utility model is related to spiral valve, and more particularly to one kind can be used for underground pipe network circulation, water purification field and add
Two-way hard seal spiral valve under the operating modes such as press pump station.
Background technology
Two-way hard seal spiral valve is widely used in the industries such as various coal chemical industries, petrochemical industry, space division, underground pipe network.Product master
To be applied to pump outlet, pipe network system, reclaim water system, water head tank, the sewerage of easy water logging, anti-down streaming system etc.
The occasion of two way seal is needed, equivalent to the two common one-way cocks in bidirectional flow system；Present practical application at most be
After pump outlet is multifunctional water pump control valve because this be most substantially also most frequently the need for two way seal position
Put, in addition to applied to maintenance, the water pump of some pump houses is that, using design in parallel, often occur in actual production process
Need the condition of two way seal.
Utility model content
The technical problems to be solved in the utility model is to provide one kind and can solve the problem that spiral valve bidirectional bearing, service life are short
The two-way hard seal spiral valve of problem.
To reach above-mentioned purpose, the technical solution of the utility model is as follows：
Two-way hard seal spiral valve, the spiral valve includes bottom, valve body, lower valve rod, ball plate, valve seat, upper valve rod, filled out
Material, gland, worm gear case and support；Insulation spacer is provided between bottom and valve body, support is fixed on by bolt, nut
On valve body, worm gear case is rack-mount by flange, and bearing is provided between upper valve rod and valve body；The sealing surface of ball plate and valve seat
Between use spherical structure；Spiral valve also includes a pressing plate, and pressing plate is responsible for that valve seat is fixed, and hexagon socket head cap screw passes through pressing plate
Pressing plate is fixed with valve body, cylindrical spring and the first O-ring are provided between valve seat and pressing plate, is provided between pressing plate and valve body
Second O-ring.
In one embodiment of the present utility model, connected between upper valve rod and the ball plate using interior four directions or flat key
Connect.
In one embodiment of the present utility model, the ball plate is eccentric semi-spherical plate, and its sealing surfaces is applied provided with hardening
Layer.
In one embodiment of the present utility model, the sealing surfaces of the valve seat are provided with hardening coat.
In one embodiment of the present utility model, the filler by stainless steel metal wire, soft graphite braided packing with
And soft graphite ring group into.
By above-mentioned technical proposal, the beneficial effects of the utility model are：
Ball plate sealing surface uses spherical structure, and ball plate is matched with valve seat and ground, it is ensured that the metallic sealing section of ball plate and valve seat
100% is closely sealed, and pretightning force is provided by cylindrical spring compression, is that valve seat and the sealing of ball plate provide pretension than pressure, improves overall close
Sealing property；Floating type valve seat is valve with changeable valve seat simultaneously, can carry out demolition and maintenance maintenance, can substantially reduce valve maintenance and maintain into
This；Cylindrical spring can provide larger elastic deformation energy, and lasting sealing property can be achieved.
Valve seat uses piston structure, when the valve is closed, no matter medium is made in entrance point or the port of export in pressure medium
Under, by the difference in areas of sealing surface of seat and the first O-ring, it can guarantee that ball plate is brought into close contact with valve base sealing, it is ensured that nothing
Internal leakage.
Sealed between valve body and pressing plate using the second O-ring, good seal performance, it is ensured that without external leakage, ball plate and valve base surface
Cure process, greatly improves its service life.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the utility model structural representation；
Fig. 2 is valve seat scheme of installation；
Fig. 3 is medium valve seat and ball plate sealing structure schematic diagram in entrance point；
Fig. 4 is medium valve seat and ball plate sealing structure schematic diagram in the port of export；
Numeral and the corresponding component title represented by letter in figure：
10th, bottom 20, valve body 30, lower valve rod 40, ball plate 50, valve seat 60, upper valve rod 70, filler 80, filler pressure
It is lid 90, worm gear case 100, support 110, insulation spacer 120, bolt 130, nut 140, bearing 150, pressing plate 160, interior
Hex bolts 170, cylindrical spring 180, the first O-ring 190, the second O-ring.
Embodiment
In order that technological means, creation characteristic, reached purpose and effect that the utility model is realized are easy to understand, under
Face combines and is specifically illustrating, and the utility model is expanded on further.
Referring to shown in Fig. 1 and Fig. 2, the utility model discloses two-way hard seal spiral valve, including bottom 10, valve body 20,
Lower valve rod 30, ball plate 40, valve seat 50, upper valve rod 60, filler 70, gland 80, worm gear case 90 and support 100；Valve body is adopted
Use monoblock cast structure, inner chamber streamlined structure, no lumen does not result in valve pocket buildup, without potential ball plate be stuck it is hidden
Suffer from, the minimum wall thickness (MINI W.) of valve body has contemplated that corrosion thinning amount；Valve rod supports positioning using upper and lower valve rod, in pressure medium effect
Under, the movement of ball plate valveless body axis direction is simple in construction, highly reliable；Upper valve rod is with ball plate using interior four directions or flat key
Connection, can transmit sufficiently large moment of torsion.
Ball plate uses eccentric semi-spherical plate, and ball plate can block medium, while having, weight is light, valve torque is small, operation is saved
The advantages of power；High accuracy processing ball plate sealing surface, sealing surfaces can be provided with a variety of hardening coats, and it can effectively extend valve and use
Life-span.
Insulation spacer 110 is provided between bottom 10 and valve body 20, security is improved；Support 100 passes through bolt 120, spiral shell
Mother 130 is fixed on valve body 20, and worm gear case 90 is rack-mount by flange, and bearing is provided between upper valve rod 60 and valve body 20
140；Flange uses ISO5211 standard flange structures, can be adapted to the operating mechanisms such as pneumatic, electronic and worm gear case.
Filler is by stainless steel metal wire, soft graphite braided packing and soft graphite ring group into soft graphite braiding is filled out
Expect to be used to ensure that valve rod and stuffing-box are closely connected, prevent filler from extruding, and keep valve rod to be aligned, be allowed to provide reliable sealing
With longer service life, filler can also use V-type PTFE fillers.
Spiral valve also includes a pressing plate 150, and pressing plate is responsible for that valve seat is fixed, and hexagon socket head cap screw 160 passes through pressing plate 150
Pressing plate 150 is fixed with valve body 20, the O-ring 180 of cylindrical spring 170 and first, pressure are provided between valve seat 50 and pressing plate 150
The second O-ring 190 is provided between plate 150 and valve body 20；Valve seat end face uses cylindrical spring structure, in valve base sealing surface wear
In the case of, can be by the Telescopic of cylindrical spring, long-term work seal function can be achieved in automatic compensation valve seat wear extent；Pressure
The second O-ring is used between plate and valve body, the sealing of pressing plate and valve body can be achieved, prevents in valve pocket dielectric leakage to valve body
Outside；Relative to common spiral valve, the utility model valve seat employs floating piston structure valve seat, by valve seat, the first O-ring,
Pressing plate, cylindrical spring, hexagon socket head cap screw and the second O-ring structure replace conventional valve seat construction, ensure that valve seat function
While, structure is also more stable, using floating piston structure valve seat, can carry out demolition and maintenance to valve seat, reduce valve maintenance
Cost of upkeep.
The utility model valve base channel uses airflow design, makes fluid resistance smaller, eliminates structure dead angle, reduces and becomes silted up
Product, is particularly suitable for mixing the two-phase fluid medium of hard particles.
Referring to described in Fig. 3 and Fig. 4, valve seat end uses the structure of the first O-ring 180, and valve seat end part seal function can be achieved：
When medium is in entrance point, under medium active force, by the difference in areas of sealing surface of seat and the first O-ring sealing surface, realize
Sealing surface of seat is in close contact with ball plate sealing surface always；When medium is in the port of export (when lumen has pressure), in medium effect
Under power, by the difference in areas of sealing surface of seat and the first O-ring sealing surface, realize that sealing surface of seat is tight with ball plate sealing surface always
Contiguity is touched；In summary, valve seat can reach piston effect function, it is ensured that the sealing property of valve is stable, realizes bidirectional bearing
Function.
The utility model is relative to common spiral valve sealing surface conical surface sealing structure, the spiral valve ball plate and sealing surface of seat
Using spherical structure, sealing surface uses pile-up welding hard alloy material, and ball plate and sealing surface of seat carry out grinding-in, matched somebody with somebody with superior
It is right, it is ensured that long-term sealing property.
General principle of the present utility model and principal character and advantage of the present utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply illustrate principle of the present utility model, on the premise of the utility model spirit and scope are not departed from, the utility model is also
Various changes and modifications are had, these changes and improvements are both fallen within the range of claimed the utility model.The utility model
Claimed scope is by appended claims and its equivalent thereof.
Claims (5)
1. two-way hard seal spiral valve, it is characterised in that the spiral valve include bottom, valve body, lower valve rod, ball plate, valve seat, on
Valve rod, filler, gland, worm gear case and support；Insulation spacer is provided between bottom and valve body, support passes through bolt, spiral shell
Mother is fixed on valve body, and worm gear case is rack-mount by flange, and bearing is provided between upper valve rod and valve body；Ball plate and valve seat
Sealing surface between use spherical structure；Spiral valve also includes a pressing plate, and pressing plate is responsible for that valve seat is fixed, hexagon socket head cap screw
Pressing plate is fixed through pressing plate and valve body, cylindrical spring and the first O-ring, pressing plate and valve body are provided between valve seat and pressing plate
Between be provided with the second O-ring.
2. two-way hard seal spiral valve according to claim 1, it is characterised in that used between upper valve rod and the ball plate
Interior four directions or flat key connection.
3. two-way hard seal spiral valve according to claim 1, it is characterised in that the ball plate is eccentric semi-spherical plate, its
Sealing surfaces are provided with hardening coat.
4. two-way hard seal spiral valve according to claim 1, it is characterised in that the sealing surfaces of the valve seat are provided with hard
Change coating.
5. two-way hard seal spiral valve according to claim 1, it is characterised in that the filler by stainless steel metal wire,
Soft graphite braided packing and soft graphite ring group into.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621358034.9U CN206386493U (en) | 2016-12-12 | 2016-12-12 | Two-way hard seal spiral valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621358034.9U CN206386493U (en) | 2016-12-12 | 2016-12-12 | Two-way hard seal spiral valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206386493U true CN206386493U (en) | 2017-08-08 |
Family
ID=59489068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621358034.9U Active CN206386493U (en) | 2016-12-12 | 2016-12-12 | Two-way hard seal spiral valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206386493U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107504209A (en) * | 2017-09-20 | 2017-12-22 | 圣博莱阀门有限公司 | Detachable single valve seat two-way sealing knife gate valve |
| CN109973668A (en) * | 2019-04-30 | 2019-07-05 | 自贡新比隆阀门有限公司 | It is a kind of than grand plate valve |
-
2016
- 2016-12-12 CN CN201621358034.9U patent/CN206386493U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107504209A (en) * | 2017-09-20 | 2017-12-22 | 圣博莱阀门有限公司 | Detachable single valve seat two-way sealing knife gate valve |
| CN109973668A (en) * | 2019-04-30 | 2019-07-05 | 自贡新比隆阀门有限公司 | It is a kind of than grand plate valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206386493U (en) | Two-way hard seal spiral valve | |
| CN2826119Y (en) | Universal spherical compensator | |
| CN207093807U (en) | A kind of novel manual flat gate valve | |
| CN204127377U (en) | The two lining ball valve of a kind of chemical industry | |
| CN2926698Y (en) | Fixed membrane metal sealed spherical valve | |
| CN208764368U (en) | Upper-mounting type ball valve | |
| CN203532832U (en) | Fixed type fluorine lining ball valve | |
| CN206274086U (en) | A kind of air operated reversing valve | |
| CN101235901A (en) | Alkali-chloride special-purpose fluoroplastic all-liner butterfly valve | |
| CN207178723U (en) | A kind of floating type hard sealing structure in metal valve | |
| CN203560491U (en) | High-performance welding ball valve | |
| CN208764451U (en) | A kind of throttle valve stem sealing structure | |
| CN203322297U (en) | Elastic self-sealing butterfly valve | |
| CN207394015U (en) | The ripple pipe clip valve of the detachable dynamic sealing of tube body | |
| CN206918302U (en) | Flange connects spiral valve | |
| CN201177054Y (en) | High pressure square angular stop valve | |
| CN218644829U (en) | Bidirectional pressure-bearing high-temperature-resistant butterfly valve | |
| CN206816862U (en) | To pressing from both sides Fluorine-lined ball valve | |
| CN214222038U (en) | Butterfly valve | |
| CN215635331U (en) | Two-way sealing mechanism of deep sea high pressure valve gate valve rod | |
| CN215334599U (en) | High-pressure hard-sealing spherical stop valve | |
| CN208764367U (en) | Manual Super high pressure valve | |
| CN204140992U (en) | A kind of two lining ball valve | |
| CN212297705U (en) | Ball valve | |
| CN2401755Y (en) | Emptying guiding shower valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |