CN107061769A - A kind of stop valve of high sealing performance - Google Patents
A kind of stop valve of high sealing performance Download PDFInfo
- Publication number
- CN107061769A CN107061769A CN201710472995.5A CN201710472995A CN107061769A CN 107061769 A CN107061769 A CN 107061769A CN 201710472995 A CN201710472995 A CN 201710472995A CN 107061769 A CN107061769 A CN 107061769A
- Authority
- CN
- China
- Prior art keywords
- valve rod
- valve
- bonnet
- sealing performance
- fixedly connected
- 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.)
- Withdrawn
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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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/48—Attaching valve members to screw-spindles
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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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
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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
- F16K41/00—Spindle sealings
- F16K41/02—Spindle sealings with stuffing-box ; Sealing rings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Valve Housings (AREA)
Abstract
The present invention relates to valve technology field, and disclose a kind of stop valve of high sealing performance, including valve body, the upper surface of the valve body, which is bolted, is provided with bonnet, the internal whorl of the bonnet is connected with valve rod, the thread surface of the valve rod is connected with fixed block, the side of the fixed block is fixedly connected by fix bar with bonnet, the top of the valve rod is fixedly connected with handle by fixing nut, the lower surface of the handle is fixedly connected by pole with valve rod, the surface of the valve rod lower end is fixedly connected with projection, the bottom of the valve rod is fixedly connected with rectangular block.The stop valve structure of the high sealing performance is simple, reasonable in design and easy to operate, by setting projection and rectangular block, flap and valve rod is set to connect more firm, avoid flap 360 degree of rotations under the washing away of medium, seal failure or flap is caused to come off, great economic loss is caused, the sealing property of stop valve is improved.
Description
Technical field
The present invention relates to valve technology field, specially a kind of stop valve of high sealing performance.
Background technology
Stop valve, is also pipe valve, is a kind of most popular valve, and why very popular it is, is due to be opened and closed
Frictional force is small between sealing surface in journey, relatively durable, and Lift is less, easy to manufacture, easy to maintenance, low in being applicable not only to
Pressure, and it is also applied for high pressure；The closure principle of stop valve is, by valve stem pressure, makes valve clack sealing surface and sealing surface of seat
It is brought into close contact, prevents flow of media；Stop valve often washes away lower Disc easy 360 in rising or closing process in medium
Degree rotation, causes seal failure or flap to come off, causes great economic loss, it is therefore desirable to a kind of section of high sealing performance
Only valve.
The content of the invention
（One）The technical problem of solution
In view of the shortcomings of the prior art, the invention provides a kind of stop valve of high sealing performance, possess reasonable in design and highly dense
The advantages of sealing property, solve and wash away the easy 360 degree of rotations of lower Disc in medium, cause what seal failure or flap came off
Problem.
（Two）Technical scheme
To realize the purpose of above-mentioned reasonable in design and high sealing performance, the present invention provides following technical scheme：A kind of high leakproofness
The stop valve of energy, including valve body, the upper surface of the valve body, which is bolted, is provided with bonnet, the internal whorl of the bonnet
Valve rod is connected with, the thread surface of the valve rod is connected with fixed block, and the side of the fixed block is consolidated by fix bar and bonnet
Fixed connection, the top of the valve rod is fixedly connected with handle by fixing nut, and the lower surface of the handle passes through pole and valve
Bar is fixedly connected, and the surface of the valve rod lower end is fixedly connected with projection, and the bottom of the valve rod is fixedly connected with rectangular block, institute
The bottom for stating rectangular block is installed with thrust pad, and the bottom of the valve rod is plugged with flap, and the inside of the flap is offered
The groove being adapted with projection, the inside of the flap offers the rectangular channel being adapted with rectangular block.
It is preferred that, the junction of the valve body and bonnet is respectively sleeved on high-temperature resistant seal ring and composite sealing ring.
It is preferred that, the threaded connection place of the bonnet and valve rod is provided with sealing fill-in pad.
It is preferred that, the lower end of the stem surface is provided with fiberglass thermal insulation layer pad.
It is preferred that, the two ends of the handle surfaces are socketed rubber sleeve, and the surface of rubber sleeve is provided with anti-skidding salient point.
It is preferred that, the quantity of the fix bar is two.
（Three）Beneficial effect
Compared with prior art, the invention provides a kind of stop valve of high sealing performance, possesses following beneficial effect：
1st, the stop valve of the high sealing performance, by setting projection and rectangular block, makes flap and valve rod connect more firm, it is to avoid
Flap 360 degree of rotations under the washing away of medium, cause seal failure or flap to come off, cause great economic loss, improve
The sealing property of stop valve.
2nd, the stop valve of the high sealing performance, by setting high-temperature resistant seal ring and composite sealing ring, is realized sealedly same
When, also with high temperature resistant and dust-proof function, it is to avoid medium is revealed from bonnet and valve body junction, greatly improves cut-off
The performance of valve, it is multiple-sealed, make sealing effectiveness more preferably, sealing fill-in pad is set, sealing fill-in pad has certain elasticity,
Can produce certain radial load under thrust effect makes valve rod contact closer with bonnet, it is to avoid medium connects from valve rod and bonnet
Place's leakage is connect, makes sealing effectiveness more preferable.
Brief description of the drawings
Fig. 1 is structure sectional view of the present invention；
Fig. 2 is enlarged drawing at A shown in Fig. 1 of the present invention；
Fig. 3 is enlarged drawing at B shown in Fig. 1 of the present invention.
In figure：1 valve body, 2 bolts, 3 bonnets, 4 high-temperature resistant seal rings, 5 composite sealing rings, 6 valve rods, 7 fixed blocks, 8 are fixed
Bar, 9 fixing nuts, 10 handles, 11 projections, 12 rectangular blocks, 13 thrust pads, 14 flaps, 15 grooves, 16 rectangular channels, 17 poles, 18
Rubber sleeve, 19 sealing fill-in pads, 20 fiberglass thermal insulation layers.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Fig. 1-3, a kind of stop valve of high sealing performance, including valve body 1 are referred to, the upper surface of valve body 1 is solid by bolt 2
Dingan County is equipped with bonnet 3, the setting of bolt 2, convenient disassembly when repairing stop valve, and the junction of valve body 1 and bonnet 3 is socketed respectively
There are high-temperature resistant seal ring 4 and composite sealing ring 5, high-temperature resistant seal ring 4 and composite sealing ring 5 are set, while realizing sealing, also
With high temperature resistant and dust-proof function, it is to avoid medium is revealed from bonnet 3 and valve body 1 junction, greatly improves stop valve
Performance, it is multiple-sealed, make sealing effectiveness more preferably, the internal whorl of bonnet 3 is connected with valve rod 6, bonnet 3 and valve rod 6
Threaded connection place is provided with sealing fill-in pad 19, sets sealing fill-in pad 19, sealing fill-in pad 19 has certain elasticity, in pressure
Can produce certain radial load under clamp force effect makes valve rod 6 contact closer with bonnet 3, it is to avoid medium connects from valve rod 6 with bonnet 3
Place's leakage is connect, makes sealing effectiveness more preferably, the thread surface of valve rod 6 is connected with fixed block 7, and the side of fixed block 7 passes through fix bar 8
It is fixedly connected with bonnet 3, the quantity of fix bar 8 is two, makes bonnet 3 more firm.The top of valve rod 6 is solid by fixing nut 9
Surely handle 10 is connected with, the two ends on the surface of handle 10 are socketed rubber sleeve 18, and the surface of rubber sleeve 18 is provided with anti-skidding salient point,
The lower surface of handle 10 is fixedly connected by pole 17 with valve rod 6, makes handle 10 more firmly, the lower end on the surface of valve rod 6 is provided with
Fiberglass thermal insulation layer pad 20, set fiberglass thermal insulation layer 20, with heat-insulated effect, it is to avoid heat is from valve rod 6 from being delivered to
Handle 10, makes it not adjust, the surface of the lower end of valve rod 6 is fixedly connected with projection 11, and projection 11 is shaped as semicircle, valve rod
6 bottom is fixedly connected with rectangular block 12, sets projection 11 and rectangular block 12, flap 14 and valve rod 6 is connected more firm, it is to avoid
The 360 degree of rotations under the washing away of medium of flap 14, cause seal failure or the flap 14 to come off, and cause great economic damage
Lose, improve the sealing property of stop valve, the bottom of rectangular block 12 is installed with thrust pad 13, sets thrust pad 13, it is to avoid
It is fixed together for a long time using rectangular block 12 with flap 14, leads to not change flap 14, the bottom of valve rod 6 is plugged with
Flap 14, the inside of flap 14 offers the groove 15 being adapted with projection 11, projection 11 and the phase clamping of groove 15, makes flap 14
Connected more firmly with valve rod 6, the inside of flap 14 offers the rectangular channel 16 being adapted with rectangular block 12.
In summary, the stop valve of the high sealing performance, sets projection 11 and rectangular block 12, connects flap 14 and valve rod 6
Connect more firm, it is to avoid the 360 degree of rotations under the washing away of medium of flap 14, cause seal failure or flap 14 to come off, cause
Great economic loss, improves the sealing property of stop valve, sets high-temperature resistant seal ring 4 and composite sealing ring 5, realizes sealing
While, also with high temperature resistant and dust-proof function, it is to avoid medium is revealed from bonnet 3 and valve body 1 junction, is greatly improved
The performance of stop valve, it is multiple-sealed, make sealing effectiveness more preferably, the present invention is simple in construction, reasonable in design and easy to operate,
Solve and wash away 14 easy 360 degree of rotations of lower Disc in medium, cause the problem of seal failure or flap 14 come off.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or deposited between operating
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability is included, so that process, method, article or equipment including a series of key elements not only will including those
Element, but also other key elements including being not expressly set out, or also include being this process, method, article or equipment
Intrinsic key element.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of stop valve of high sealing performance, including valve body（1）, it is characterised in that：The valve body（1）Upper surface pass through spiral shell
Bolt（2）It is installed with bonnet（3）, the bonnet（3）Internal whorl be connected with valve rod（6）, the valve rod（6）Surface spiral shell
Line is connected with fixed block（7）, the fixed block（7）Side pass through fix bar（8）With bonnet（3）It is fixedly connected, the valve rod
（6）Top pass through fixing nut（9）It is fixedly connected with handle（10）, the handle（10）Lower surface pass through pole（17）With
Valve rod（6）It is fixedly connected, the valve rod（6）The surface of lower end is fixedly connected with projection（11）, the valve rod（6）Bottom fix
It is connected with rectangular block（12）, the rectangular block（12）Bottom be installed with thrust pad（13）, the valve rod（6）Bottom insert
It is connected to flap（14）, the flap（14）Inside offer and projection（11）The groove being adapted（15）, the flap（14）
Inside offer and rectangular block（12）The rectangular channel being adapted（16）.
2. a kind of stop valve of high sealing performance according to claim 1, it is characterised in that：The valve body（1）With bonnet
（3）Junction be respectively sleeved on high-temperature resistant seal ring（4）And composite sealing ring（5）.
3. a kind of stop valve of high sealing performance according to claim 1, it is characterised in that：The bonnet（3）With valve rod
（6）Threaded connection place be provided with sealing fill-in pad（19）.
4. a kind of stop valve of high sealing performance according to claim 1, it is characterised in that：The valve rod（6）Surface
Lower end is provided with fiberglass thermal insulation layer pad（20）.
5. a kind of stop valve of high sealing performance according to claim 1, it is characterised in that：The handle（10）Surface
Two ends are socketed rubber sleeve（18）, rubber sleeve（18）Surface be provided with anti-skidding salient point.
6. a kind of stop valve of high sealing performance according to claim 1, it is characterised in that：The fix bar（8）Number
Measure as two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710472995.5A CN107061769A (en) | 2017-06-21 | 2017-06-21 | A kind of stop valve of high sealing performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710472995.5A CN107061769A (en) | 2017-06-21 | 2017-06-21 | A kind of stop valve of high sealing performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107061769A true CN107061769A (en) | 2017-08-18 |
Family
ID=59595608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710472995.5A Withdrawn CN107061769A (en) | 2017-06-21 | 2017-06-21 | A kind of stop valve of high sealing performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107061769A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107524821A (en) * | 2017-09-21 | 2017-12-29 | 安徽荣达阀门有限公司 | A kind of water-impervious current limliting valve |
| CN110410505A (en) * | 2018-04-28 | 2019-11-05 | 芜湖美的厨卫电器制造有限公司 | Seal water structure, soft water valve and water softening device |
| CN113653817A (en) * | 2021-10-20 | 2021-11-16 | 浙大宁波理工学院 | Angle seat valve |
-
2017
- 2017-06-21 CN CN201710472995.5A patent/CN107061769A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107524821A (en) * | 2017-09-21 | 2017-12-29 | 安徽荣达阀门有限公司 | A kind of water-impervious current limliting valve |
| CN107524821B (en) * | 2017-09-21 | 2019-04-05 | 安徽荣达阀门有限公司 | A kind of water-impervious current limliting valve |
| CN110410505A (en) * | 2018-04-28 | 2019-11-05 | 芜湖美的厨卫电器制造有限公司 | Seal water structure, soft water valve and water softening device |
| CN113653817A (en) * | 2021-10-20 | 2021-11-16 | 浙大宁波理工学院 | Angle seat valve |
| CN113653817B (en) * | 2021-10-20 | 2022-01-11 | 浙大宁波理工学院 | Angle seat valve |
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Legal Events
| 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 | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170818 |