CN206555478U - Two-way self sealss center line semisphere valve - Google Patents
Two-way self sealss center line semisphere valve Download PDFInfo
- Publication number
- CN206555478U CN206555478U CN201720211157.8U CN201720211157U CN206555478U CN 206555478 U CN206555478 U CN 206555478U CN 201720211157 U CN201720211157 U CN 201720211157U CN 206555478 U CN206555478 U CN 206555478U
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- CN
- China
- Prior art keywords
- valve
- drive link
- center line
- sealing ring
- self sealss
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- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of two-way self sealss center line semisphere valve, medium is marked with plunger shaft（Oil, Water, Gas etc.）, valve body, which is provided with U-shaped sealing ring, U-shaped sealing ring, is provided with branch liner plate, and plunger shaft is connected by pipe fitting with U-shaped sealing ring.Valve rod is installed on valve body axial centerline, and valve rod is provided with connecting lever, and connecting lever is provided with guide groove, and screw mandrel is provided with guide finger, guide finger insertion guide groove.The utility model is a kind of zero abrasion, and zero leakage, low torque can meet the two-way self sealss center line semisphere valve of two way seal operating mode use requirement.
Description
Technical field
The utility model is related to a kind of valve, more particularly to a kind of two-way self sealss center line semisphere valve.
Background technology
Existing butterfly valve and ball valve, including valve body, valve element, valve rod and drive disk assembly, when opening and closing, sealing surface has different journeys
The friction of degree, has that bearing capacity is low, seal failure defect；And have the semisphere valve of bias, because waterpower is uneven, open
Torque is big, simultaneously because eccentric presence, in reverse pressure-bearing, medium is helped out, and valve is difficult to two way seal, and it closes valve
During sealedly abrasion it is also still very big；Wear and tear more notable without eccentric ball valve sealing.
The content of the invention
Technical problem to be solved in the utility model is to provide a kind of zero abrasion, and low torque can meet two way seal work
The two-way self sealss center line semisphere valve of condition use requirement.
In order to solve the above-mentioned technical problem, the two-way self sealss center line semisphere valve that the utility model is provided, including valve body, valve
Be provided with drive link in core, valve rod and transmission case body, described transmission case body, one end of described transmission case body be provided with it is described
The drive device that one end connection of drive link and the described drive link of driving are moved left and right, the other end of described transmission case body is set
There are piston cylinder and a piston being located in described piston cylinder, spring is housed between described piston cylinder and described piston, it is described
Drive link the other end and described piston contact, a hollow sealing ring is arranged on described valve body upper valve base position, institute
Fluid media (medium) is full of in the piston cylinder stated, medium delivery pipe one end is connected with the inner chamber of described hollow sealing ring, the other end and
Described piston cylinder connection；Guide finger is housed, connecting lever is installed on described valve rod, and valve rod is installed on described drive link
In valve body, the axis of valve rod is overlapped with valve body central axis.
Described connecting lever is provided with guide groove, described guide groove by the valve position straight trough parallel with drive link and with
In the vertical skewed slot composition of valve rod, the described guide groove of described guide finger insertion.
Described hollow sealing ring is the U-shaped sealing ring that skeleton is served as a contrast equipped with branch, using metal or non-metallic material.
The structure of described drive device is：Described drive link one end is helical screw, and one end is polished rod, and handwheel passes through
Key is connected with transmission nut, and is locked with locking nut；The helical screw part of described transmission nut and described drive link
Threaded engagement, the described drive link of driving is moved left and right；The shaft shoulder two ends of described transmission nut are respectively equipped with a plane bearing,
Bearing is fixed in bearing block, and described bearing block is arranged on described transmission case body.
Adjusting screw rod of the end of described piston cylinder equipped with the stroke for controlling the piston.
Using the two-way self sealss center line semisphere valve of above-mentioned technical proposal：
Valve opening：Valve is in fully closed, inverse clock rotation handwheel when initial, promotes drive link to be moved to the left by transmission nut
When, the guide finger on drive link is synchronously moved to the left, and guide finger is run on connecting lever in the straight trough of guide groove, guide finger to
Move left, connecting lever is not rotated, valve element does not produce action, transmission bar is released to the spacing of piston, piston under the promotion of spring to
Move left, the medium in U-shaped sealing ring is returned in piston cylinder, U-shaped sealing ring shrinks, U-shaped sealing ring is disengaged with valve element.Therewith,
Guide finger continues to be moved to the left, and into the skewed slot of guide groove, then drives connecting lever to rotate, valve rod is driven valve core rotation, realize valve
Door is opened.Valve element is disengaged all the time in rotation process with U-shaped sealing ring, no abrasion.
Close：Valve is in standard-sized sheet when initial, and clockwise rotates handwheel, by transmission nut, promotes drive link with being oriented to
Pin is moved right, and guide finger drives connecting lever to rotate in the skewed slot of guide groove, and valve core rotation is driven by valve rod, and valve element is closed and arrived
Behind position, guide finger continues to be moved right into straight trough, and connecting lever stops operating, and drive link promotes piston to move right, piston cylinder
Interior medium is pressed in U-shaped sealing ring, the expansion of U-shaped sealing ring, is fitted with valve core sealed cover, valve realizes sealing, valve element exists
Sealing surface in rotation process with U-shaped sealing ring is disengaged all the time, no abrasion.
In summary, the sealing surface of valve element and the U-shaped sealing inscription of loop relation on valve body are first in the utility model
Disengagement is fitted again after rotating and be rotated in place again, so that traditional butterfly valve and ball valve sealing low intensity are overcome, the defect such as easy to wear.
Meanwhile, the center structure of valve rod eliminates out-of-balance force of the valve element under hydraulic action, reduces operating physical force and refuses.Therefore originally
Two-way self sealss center line semisphere valve has zero abrasion, low torque, and intensity is high, meets the feature of two way seal operating mode use requirement.
Brief description of the drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is valve opening original state schematic diagram.
Fig. 3 is the structural representation of U-shaped sealing ring of the present utility model.
Fig. 4 is the cut-away view of U-shaped sealing ring of the present utility model.
Fig. 5 is valve-closed state schematic diagram.
Embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.
Referring to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, a kind of two-way self sealss center line semisphere valve, including valve body 1, valve element 2, valve rod 13
With transmission case body 11, transmission case body 11 is interior to be provided with drive link 15, and one end of transmission case body 11 is provided with one end company with drive link 15
The drive device for connecing and driving drive link 15 to move left and right, the other end of transmission case body 11 is provided with piston cylinder 7 and is located at piston cylinder 7
Interior piston 9, is equipped with another end in contact of spring 10, piston 9 and drive link 15, one hollow close between piston cylinder 7 and piston 9
Seal ring, which is arranged in the seating position on valve body 1, piston cylinder 7, is full of fluid media (medium), the one end of medium delivery pipe 5 and hollow sealing ring
Inner chamber connection, the other end is connected with piston cylinder 7；Guide finger 27 is housed, connecting lever 14 is installed on valve rod 13 on drive link 15,
Valve rod 13 is installed in valve body 1, and the axis of valve rod 13 is overlapped with the central axis 1A of valve body 1, and connecting lever 14 is provided with guide groove 6, leads
To groove 6 by being constituted in the valve position straight trough 62 parallel with drive link 15 and the skewed slot 61 vertical with valve rod, guide finger 27 is inserted
In guide groove 6.
Specifically, hollow sealing ring is the U-shaped sealing ring 3 that skeleton 4 is served as a contrast equipped with branch, can use metal or non-metallic material.
Specifically, the structure of drive device is：Described one end of drive link 15 is helical screw 15A, and one end is polished rod
15B, handwheel 16 is connected by key with transmission nut 19, and is locked with locking nut 20；Described transmission nut 19 with it is described
The helical screw 15A part helix of drive link 15 coordinates, and the described drive link 15 of driving is moved left and right；Described transmission nut 19
Shaft shoulder two ends respectively equipped with plane bearing 18, bearing 18 is fixed in bearing block 17, and described bearing block 17 is arranged on institute
On the transmission case body 11 stated.
Further, the adjusting screw rod 8 of stroke of the end of piston cylinder 7 equipped with control piston 9.
Referring to Fig. 1 and Fig. 2, handwheel 16 is connected by key with transmission nut 19, and is locked with locking nut 20；Transmission nut
19 rotate in the helical screw 15A parts of drive link 15, move left and right drive link 15；The shaft shoulder two ends of transmission nut 19 are respectively filled
There is a plane bearing 18, bearing 18 is fixed in bearing block 17, one end of guide finger 27 is fixed on drive link 15, the other end
In the guide groove 6 for inserting connecting lever 14, the guide groove 6 of connecting lever 14 is made up of straight trough 62 and skewed slot 61, and guide finger 27 is in straight trough 62
During motion, connecting lever 14 is not rotated, and the polished rod 15B and spring of drive link 15 promote piston 9 to move left and right respectively, and medium passes through medium
Delivery pipe 5 is moved in piston cylinder 7 between U-shaped sealing ring 3, and the one end of medium delivery pipe 5 is on piston cylinder 7, and one end is mounted in
On branch lining skeleton 4, branch lining skeleton 4 plays branch lining in U-shaped sealing ring 3, when guide finger 27 is moved in skewed slot 61,
Connecting lever 14 is rotated, and forces valve element 2 to rotate by valve rod 13.U-shaped sealing ring 3 is mounted in the seating position of valve body 1, with valve element 2 during contraction
It is separated from, is fitted during expansion with valve element 2.
Valve opening：Valve is in fully closed when initial, and inverse clock rotates handwheel 16, by transmission nut 19 promote drive link 15 to
When moving left, the guide finger 27 on drive link 15 is synchronously moved to the left, and guide finger 27 runs on guide groove 6 on connecting lever 14
In straight trough 62, guide finger 27 is moved to the left, and connecting lever 14 is not rotated, and valve element 2 does not produce action, and transmission bar 15 is released to piston 9
Spacing, piston 9 is moved to the left under the promotion of spring 10, and the medium in U-shaped sealing ring 3 is returned in piston cylinder 7, U-shaped sealing ring 3
Shrink, U-shaped sealing ring 3 is disengaged with valve element 2.Therewith, guide finger 27 continues to be moved to the left, into the skewed slot 61 of guide groove 6, then
Drive connecting lever 14 to rotate, valve rod 13 is rotated with movable valve plug 2, realize valve opening.Valve element 2 is sealed in rotation process with U-shaped
Ring 3 is disengaged all the time, no abrasion.
Close：Valve is in standard-sized sheet when initial, and clockwise rotates handwheel 16, by transmission nut 19 promote drive link 15 with
Guide finger 27 moves right, and guide finger 27 drives connecting lever 14 to rotate, by valve rod 13 with movable valve plug 2 in the skewed slot 61 of guide groove 6
Rotate, after valve element 2 is closed in place, guide finger 27 continues to be moved right into straight trough 62, and connecting lever 14 is stopped operating, and drive link 15 is pushed away
Piston 9 is moved right, and the medium in piston cylinder 7 is pressed in U-shaped sealing ring 3, and U-shaped sealing ring 3 expands, close with valve element 2
Front cover is fitted, and valve realizes sealing, and valve element 2 is disengaged all the time in rotation process with the sealing surface of U-shaped sealing ring 3, no abrasion.
Claims (6)
1. a kind of two-way self sealss center line semisphere valve, including valve body（1）, valve element（2）, valve rod（13）And transmission case body（11）, institute
The transmission case body stated（11）It is interior to be provided with drive link（15）, it is characterized in that：Described transmission case body（11）One end be provided with it is described
Drive link（15）One end connection and the described drive link of driving（15）The drive device moved left and right, described transmission case body
（11）The other end be provided with piston cylinder（7）And it is located at described piston cylinder（7）Interior piston（9）, described piston cylinder（7）With institute
The piston stated（9）Between be equipped with spring（10）, described drive link（15）One end contacted with described piston (9), in one
Empty sealing ring is arranged on described valve body（1）Upper valve base position, described piston cylinder（7）It is interior to be full of fluid media (medium), medium conveying
Pipe（5）One end is connected with the inner chamber of described hollow sealing ring, the other end and described piston cylinder（7）Connection；Described transmission
Bar（15）It is upper that guide finger is housed（27）, connecting lever（14）It is installed on described valve rod（13）On.
2. two-way self sealss center line semisphere valve according to claim 1, it is characterized in that：Described valve rod（13）It is installed on valve
Body（1）It is interior, valve rod（13）Axis and valve body（1）Central axis（1A）Overlap.
3. two-way self sealss center line semisphere valve according to claim 1, it is characterized in that：Described hollow sealing ring be equipped with
Branch serves as a contrast skeleton（4）U-shaped sealing ring（3）, using metal or non-metallic material.
4. two-way self sealss center line semisphere valve according to claim 1 or 2, it is characterized in that：Described connecting lever（14）On set
There is guide groove（6）, described guide groove（6）By in valve position and drive link（15）Parallel straight trough（62）With with valve rod（13）
Vertical skewed slot（61）Composition, described guide finger（27）The described guide groove of insertion（6）It is interior.
5. two-way self sealss center line semisphere valve according to claim 1 or 2, it is characterized in that：The knot of described drive device
Structure is：Described drive link（15）One end is helical screw（15A）, one end is polished rod (15B), handwheel（16）Pass through key and transmission
Nut（19）Connection, and use locking nut（20）Locking；Described transmission nut（19）With described drive link（15）Spiral
Screw mandrel（15A）Part helix coordinates, the described drive link of driving（15）Move left and right；Described transmission nut（19）The shaft shoulder two
End is respectively equipped with a plane bearing（18）, bearing（18）It is fixed on bearing block（17）Interior, described bearing block（17）Installed in institute
The transmission case body stated（11）On.
6. two-way self sealss center line semisphere valve according to claim 1 or 2, it is characterized in that：Described piston cylinder（7）End
Portion is equipped with the piston described in control（9）Stroke adjusting screw rod（8）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720211157.8U CN206555478U (en) | 2017-03-06 | 2017-03-06 | Two-way self sealss center line semisphere valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720211157.8U CN206555478U (en) | 2017-03-06 | 2017-03-06 | Two-way self sealss center line semisphere valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206555478U true CN206555478U (en) | 2017-10-13 |
Family
ID=60362170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720211157.8U Expired - Fee Related CN206555478U (en) | 2017-03-06 | 2017-03-06 | Two-way self sealss center line semisphere valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206555478U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107701758A (en) * | 2017-11-28 | 2018-02-16 | 永嘉县信诚科技服务有限公司 | A kind of semi-automatic high temperature opens and closes automatically controlled semisphere valve without friction |
| CN108757986A (en) * | 2018-09-10 | 2018-11-06 | 陕西博菲特流体控制装备制造有限公司 | Semisphere valve with thrust lock sealing structure |
-
2017
- 2017-03-06 CN CN201720211157.8U patent/CN206555478U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107701758A (en) * | 2017-11-28 | 2018-02-16 | 永嘉县信诚科技服务有限公司 | A kind of semi-automatic high temperature opens and closes automatically controlled semisphere valve without friction |
| CN108757986A (en) * | 2018-09-10 | 2018-11-06 | 陕西博菲特流体控制装备制造有限公司 | Semisphere valve with thrust lock sealing structure |
| CN108757986B (en) * | 2018-09-10 | 2024-02-23 | 陕西博菲特流体控制装备制造有限公司 | Hemispherical valve with thrust locking sealing structure |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171013 Termination date: 20180306 |