CN207673883U - Any opening degree dark bar soft sealing gate valve with pressure for replacing sealing ring - Google Patents
Any opening degree dark bar soft sealing gate valve with pressure for replacing sealing ring Download PDFInfo
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- CN207673883U CN207673883U CN201721909050.7U CN201721909050U CN207673883U CN 207673883 U CN207673883 U CN 207673883U CN 201721909050 U CN201721909050 U CN 201721909050U CN 207673883 U CN207673883 U CN 207673883U
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- valve
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- gland
- sealing ring
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Abstract
The utility model discloses any opening degree dark bar soft sealing gate valves with pressure for replacing sealing ring,Including valve body,Flashboard,Valve deck,Gland,Valve rod,Thrust divided ring and handwheel,Inverted T shaped body cavity or so connection forms medium channel,It is open on valve bonnet seal connection valve body,Valve deck end sealing connects gland,Valve deck and gland center open up for valve rod by through-hole,Flashboard is located in valve body for blocking medium channel,Its top connects valve rod,Valve stem tip is pierced by through-hole and is connect with handwheel,Stepped hole is opened up in the through-hole of valve deck,Stepped hole is equipped with thrust divided ring,Valve rod below thrust divided ring is equipped with and the close-fitting sealing ring of valve deck one,Valve rod in gland through-hole is equipped with and the close-fitting sealing ring of gland two,The thrust divided ring external cylindrical surface is threaded,Endoporus has had thrust function flange,Have on valve rod and the matched thrust annular groove of thrust divided ring endoporus flange,In threaded hole of the screw thread spinning in valve deck through-hole on thrust divided ring external cylindrical surface.
Description
Technical field
The utility model is related to valve fields, and in particular to any opening degree dark bar soft seal lock with pressure for replacing sealing ring
Valve.
Background technology
Nowadays, dark bar soft sealing gate valve is widely used in the industries such as oil, chemical industry, pharmacy, metallurgy, electric power, urban water supply and sewerage
Pipeline on, be one of most widely used valve in various fluid conveying engineerings for control piper flow of media and blocking.
Suitable for a variety of media such as sewage, raw water, clear water, oil product, do not limited by medium flow direction.Common dark bar soft sealing gate valve one
As contain the compositions such as valve body, valve deck, flashboard, valve rod, sealing ring, flashboard nut, handwheel.In general, most of dark bar soft seal locks
Valve is all used on outdoor or earth's surface pipe network, it is general it is long-term it is exposed in an atmosphere, be often subject to summer daylight be exposed to the sun and the winter
It ice and snow frost, rubber ring easily aging cause the leakage between valve deck and valve rod, vast resources waste.Current pipe network system
The middle dark bar soft sealing gate valve used have cannot it is with pressure replace this leakage position sealing ring, be forced repair when cause pipe network long
Time cuts off the water, and can not ensure pipe network normal operation；Although what is had can replace, valve must be opened to the maximum aperture, existed not
Sufficient and unhandy place.
Invention content
The technical problem to be solved by the present invention is to provide a kind of any opening degree dark bar with pressure for replacing sealing ring is soft close
Gate sealing valve is not necessarily to pay close attention to gate valve switch state when replacing sealing ring, does not stop pipe network running, easy to operate, quick.
The utility model is achieved through the following technical solutions：
Any opening degree it is with pressure replace sealing ring dark bar soft sealing gate valve, including valve body, flashboard, valve deck, gland, valve rod,
Thrust divided ring and handwheel, inverted T shaped body cavity or so connection form medium channel, are open on valve bonnet seal connection valve body, valve
Caping end is tightly connected gland, valve deck and gland center open up for valve rod by through-hole, flashboard, which is located in valve body, to be used to block
Medium channel, top connect valve rod, and valve stem tip is pierced by through-hole and is connect with handwheel, and stepped hole, platform are opened up in the through-hole of valve deck
Rank hole is equipped with thrust divided ring, and the valve rod below thrust divided ring is equipped with and the close-fitting sealing ring one of valve deck, gland
Valve rod in through-hole is equipped with to be threaded with the close-fitting sealing ring two of gland, the thrust divided ring external cylindrical surface,
Endoporus has had thrust function flange, has on valve rod and the matched thrust annular groove of thrust divided ring endoporus flange, thrust divided ring
In threaded hole of the screw thread spinning in valve deck through-hole on external cylindrical surface.
The utility model is further improved scheme, and the thrust divided ring external cylindrical surface screw thread and endoporus flange processing are good
Afterwards, it is cut into two from vertical median plane.It is easily installed in the groove on valve rod.
The further improvement project of the utility model is that concave ring slot is provided on valve deck and gland contact surface, built in concave ring slot
Sealing ring three is tightly connected valve deck and gland.The mounting groove of sealing ring three is located at valve deck top surface, to sealing when can make assembly in this way
It is very clear whether the placement of circle is in correct position, prevents from placing the due to of misplacing because of sealing ring and causes to leak.
The further improvement project of the utility model is that the valve rod in gland through-hole is equipped at least two circle grooves, sealing
Two configuration of circle wherein carries out multiple-sealed.
The further improvement project of the utility model is that dustband is equipped between gland through-hole top and valve rod.Effectively enhancing
Dust-proof effect.
The further improvement project of the utility model is that concave ring slot is provided on valve deck and valve body contact face, built in concave ring slot
Sealing ring four is tightly connected valve deck and valve body.Prevent valve deck from being leaked with valve body junction.
The further improvement project of the utility model is the trapezoidal thread that flashboard top passes through flashboard nut and valve rod bottom end
Connection.
The utility model compared with prior art, has following obvious advantage：
Screw thread on the utility model thrust divided ring external cylindrical surface is tightly locked with the screw thread on valve deck through-hole to be connect, and valve rod is made
Suffered upward thrust eliminates the reliance on gland and whether there is, and gland removes rear gate valve normal work not to be influenced at all, without stopping
Pipe network, it is not necessary to pay close attention to whether gate valve is in full open position, remove gland, sealing ring two, sealing ring three and dustband can
It is exposed, is conveniently replaceable, it is easy to operate, it is laborsaving.
Description of the drawings
Fig. 1 is the utility model main sectional view；
Fig. 2 is the sectional view of Fig. 1；
Fig. 3 is the portions the A partial enlarged view of Fig. 1.
Fig. 4 is thrust divided ring structure sectional view.
Specific implementation mode
As shown in Figures 1 to 4, the utility model includes that valve body 1, flashboard 2, valve deck 4, gland 12, valve rod 7, thrust are split
Ring 9 and handwheel 14,1 inner cavity of inverted T shaped valve body or so connection form medium channel 17, and valve deck 4, which is fastened with valve body 1 with bolt 1, to be joined
It connects, is provided with concave ring slot on valve deck 4 and 1 contact surface of valve body, sealing ring 43 built in concave ring slot is tightly connected valve deck and is opened on valve body
Mouthful, gland 12 is connect by fastening bolt 2 11 with 4 top of valve deck, and concave ring slot, recessed circle are provided on gland 12 and 4 contact surface of valve deck
Sealing ring 3 10 built in slot is tightly connected valve deck and gland, valve deck 4 and 12 center of gland open up for valve rod by through-hole, flashboard
2 are located at for blocking medium channel in valve body 1, and top is coupled by flashboard nut 6 with the trapezoidal thread of 7 bottom end of valve rod, valve
7 top of bar is pierced by through-hole, is connected by bolt 3 15 and the locking of handwheel 14, opens up stepped hole in the through-hole of valve deck 4, on stepped hole
Equipped with thrust divided ring 9,9 external cylindrical surface of thrust divided ring is threaded 91, and endoporus has had thrust function flange 92, adds
After work is good, from vertical median plane cut into two, have on valve rod 7 with the matched thrust annular groove of thrust divided ring endoporus flange,
The split ring flange of thrust after incision 92 is caught in pairs in the thrust ring annular groove of valve rod, the screw thread on thrust divided ring external cylindrical surface
In threaded hole of 91 spinnings in 4 through-hole of valve deck, to make thrust upward suffered by valve rod eliminate the reliance on whether gland 12 is deposited
In this way when needing replacing sealing ring, the normal work of gate valve after gland is being removed not by any a bit influence, thrust
Valve rod below divided ring be equipped with the close-fitting sealing ring 1 of valve deck, it is recessed that the valve rod in gland through-hole is equipped with two circles
Slot, sealing ring 2 16 configure wherein, are fitted close with gland 12 and carry out double sealing, set between 12 through-hole top of gland and valve rod 7
There are dustband 13, rotation handwheel 14 that flashboard 2 can be made to move up and down, to carry out switching manipulation to medium channel 17.
The utility model is as follows with the detailed process for replacing sealing ring under pressure condition：There is leakage at discovery gate valve rod
And when needing to change sealing ring, it is not necessary to make the operation of any on or off to valve（The operation that pipe network is presently in is not interfered with
State）As long as removing bolt 3 15, handwheel 14 is removed, unclamp and takes out two bolts 2 11 and its washer, by gland 12 along valve
7 axial line of bar horizontally rotates 90 degree, and the lug in 12 strap bolt hole of gland can protrude from 4 both sides of valve deck, catch two lugs of gland
It is extracted to upper edge valve rod, takes out gland, at this moment 3 10, two sealing rings 2 16 of sealing ring and dustband 13 can all be exposed,
After gland 12 removes, because there is sealing ring 1 still to play certain sealing function（National Specification：It replaces and is sealed at axle envelope
Allow have the leakage for not influencing operation when circle.）, so far can be as needed to 3 10, two sealing rings 2 16 of sealing ring and dust-proof
The damaged components of circle 13 among these are replaced, or three is all replaced, then reinstall gland 12 and handwheel 14 successively, and phase is used in combination
The bolt answered tightens, and the operation that bar soft sealing gate valve dark in this way replaces sealing ring can be fully completed, and realize " any opening degree band
The target of pressure replacement sealing ring ".Operate it is extremely simple, it is time saving, save worry, is laborsaving.
The utility model is exemplarily described above in conjunction with attached drawing, it is clear that the utility model specific implementation not by
The limitation of aforesaid way, as long as using the methodology of the utility model and various unsubstantialities that technical solution carries out change
Into, or not improved is that the design of the utility model and technical solution are directly applied to other occasions, it is new in this practicality
Within the protection domain of type.
Claims (7)
1. any opening degree dark bar soft sealing gate valve with pressure for replacing sealing ring, including valve body（1）, flashboard（2）, valve deck（4）, gland
（12）, valve rod（7）, thrust divided ring（9）And handwheel（14）, inverted T shaped valve body（1）Inner cavity or so connection forms medium channel
（17）, valve deck（4）It is tightly connected valve body（1）Upper opening, valve deck（4）End sealing connects gland（12）, valve deck（4）And gland
（12）Center open up for valve rod by through-hole, flashboard（2）Positioned at valve body（1）It is interior to be used to block medium channel, top connection
Valve rod（7）, valve rod（7）Top is pierced by through-hole and handwheel（14）Connection, valve deck（4）Through-hole in open up stepped hole, on stepped hole
Equipped with thrust divided ring（9）, the valve rod below thrust divided ring is equipped with and the close-fitting sealing ring of valve deck one（8）, gland
Valve rod in through-hole is equipped with and the close-fitting sealing ring of gland two（16）, it is characterised in that：The thrust divided ring（9）Outside
Cylindrical surface is threaded（91）, endoporus had thrust function flange（92）, valve rod（7）On have and thrust divided ring endoporus flange
Matched thrust annular groove, the screw thread spinning on thrust divided ring external cylindrical surface is in valve deck（4）In threaded hole in through-hole.
2. any opening degree according to claim 1 dark bar soft sealing gate valve with pressure for replacing sealing ring, it is characterised in that：Institute
State thrust divided ring（9）After external cylindrical surface screw thread and endoporus flange processing are good, cut into two from vertical median plane.
3. any opening degree according to claim 1 dark bar soft sealing gate valve with pressure for replacing sealing ring, it is characterised in that：Pressure
Lid（12）With valve deck（4）Concave ring slot is provided on contact surface, sealing ring three built in concave ring slot（10）It is tightly connected valve deck and gland.
4. any opening degree according to claim 1 dark bar soft sealing gate valve with pressure for replacing sealing ring, it is characterised in that：Pressure
Lid（12）Valve rod in through-hole（7）It is equipped at least two circle grooves, sealing ring two（16）Configuration wherein carries out multiple-sealed.
5. any opening degree according to claim 1 dark bar soft sealing gate valve with pressure for replacing sealing ring, it is characterised in that：Pressure
Lid（12）Dustband is equipped between through-hole top and valve rod（13）.
6. any opening degree according to claim 1 dark bar soft sealing gate valve with pressure for replacing sealing ring, it is characterised in that：Valve
Lid（4）With valve body（1）Concave ring slot is provided on contact surface, sealing ring four built in concave ring slot（3）It is tightly connected valve deck and valve body.
7. any opening degree according to claim 1 dark bar soft sealing gate valve with pressure for replacing sealing ring, it is characterised in that：Lock
Plate（2）Top passes through flashboard nut（6）With valve rod（7）The trapezoidal thread of bottom end couples.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721909050.7U CN207673883U (en) | 2017-12-30 | 2017-12-30 | Any opening degree dark bar soft sealing gate valve with pressure for replacing sealing ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721909050.7U CN207673883U (en) | 2017-12-30 | 2017-12-30 | Any opening degree dark bar soft sealing gate valve with pressure for replacing sealing ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207673883U true CN207673883U (en) | 2018-07-31 |
Family
ID=62972969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721909050.7U Active CN207673883U (en) | 2017-12-30 | 2017-12-30 | Any opening degree dark bar soft sealing gate valve with pressure for replacing sealing ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207673883U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114278747A (en) * | 2022-01-22 | 2022-04-05 | 芜湖市金贸流体科技股份有限公司 | Screw mouth soft seal gate valve capable of effectively reducing fluid resistance and use method |
-
2017
- 2017-12-30 CN CN201721909050.7U patent/CN207673883U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114278747A (en) * | 2022-01-22 | 2022-04-05 | 芜湖市金贸流体科技股份有限公司 | Screw mouth soft seal gate valve capable of effectively reducing fluid resistance and use method |
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