CN104154249A - Butterfly valve body movable sealing ring locking device - Google Patents
Butterfly valve body movable sealing ring locking device Download PDFInfo
- Publication number
- CN104154249A CN104154249A CN201410429687.0A CN201410429687A CN104154249A CN 104154249 A CN104154249 A CN 104154249A CN 201410429687 A CN201410429687 A CN 201410429687A CN 104154249 A CN104154249 A CN 104154249A
- Authority
- CN
- China
- Prior art keywords
- valve body
- locking
- sealing ring
- butterfly valve
- movable sealing
- 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.)
- Pending
Links
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
- F16K1/16—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 with pivoted closure-members
- F16K1/18—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 with pivoted closure-members with pivoted discs or flaps
- F16K1/22—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 with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
- F16K1/226—Shaping or arrangements of the sealing
-
- 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
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0008—Mechanical means
Abstract
A butterfly valve body movable sealing ring locking device is provided with a locating block. A push-and-pull rod hole and a locking rod hole which intersect perpendicularly are formed in the locating block. A push-and-pull rod is inserted in the front portion of the push-and-pull rod hole. A locking hole matched with the locking rod hole is formed in the rear section of the push-and-pull rod. The front end of the push-and-pull rod is connected with a slope connecting block. The connecting block is connected with a hinge block. The locking rod hole is connected with a nut and a locking rod device driven by a threaded rod. The slope connecting block is connected with a position indication device with an elastic rod. The locking devices can be evenly distributed on the circumference of a butterfly valve body, the locking rod holes of the locating blocks are communicated with installation holes, the hinge blocks are connected with a valve body movable sealing ring in the valve body, and the elastic rods of the position indication devices abut against the slopes of the connecting blocks. According to the locking device, the push-and-pull rod is connected with the valve body movable sealing ring and the nut drives the threaded rod to rise and fall so that the push-and-pull rod can be locked, the slope pushes a telescopic rod to move vertically, and the closing position or the opening position of a sealing pair is indicated. The butterfly valve body movable sealing ring locking device is simple in structure, the valve body movable sealing ring can be locked reliably, and state information can be remotely sent out.
Description
Technical field
The present invention relates to a kind of match equipment with the butterfly valve of body movable sealing ring, particularly a kind of body movable sealing ring locking device with the butterfly valve of body movable sealing ring.
Background technique
Butterfly valve is the valve that butterfly plate 90-degree rotation in valve body is realized valve opening and closed.Between butterfly plate and valve body by the sealing pair being formed by butterfly plate seal ring and valve seals, the larger sealability of seal pressure between sealing pair is better, butterfly valve is when the opening and closing of butterfly plate 90-degree rotation, between butterfly plate seal ring and valve seals because seal pressure produces friction, seal pressure is larger, frictional force when butterfly valve opening and closing between butterfly plate seal ring and valve seals is larger, not only improve the moment of butterfly valve opening and closing, also cause butterfly plate seal ring and valve seals scratch and wearing and tearing, seal ring scratch and wearing and tearing will cause butterfly valve to reveal.
In order to eliminate butterfly valve friction between butterfly plate seal ring and valve seals when the switch, a kind of secondary butterfly valve with overhauling sealing pair of working seal that has is disclosed in Chinese patent ZL 2,006 2 0137380.4, this butterfly valve has valve body, valve body rear portion is water intake, valve body front portion is water outlet, there is valve body maintenance seal ring water inlet in valve body, water outlet in valve body has valve body working seal circle, on valve body, there is valve shaft, on valve shaft in valve body, there is butterfly plate, on butterfly plate, there are the butterfly plate maintenance seal ring and the butterfly plate working seal circle that match with valve body maintenance seal ring and valve body working seal circle respectively, on valve body, there is the cylindrical shape oil hydraulic cylinder along valve body circumference, in annular hydraulic cylinder, there is circle tube piston, valve body maintenance seal ring is connected on circle tube piston.
With the health check-up of hydraulic pressure actuatable valve, repair seal ring along axial forward and backward the moving of valve body, above-mentioned valve body maintenance seal ring is body movable sealing ring, when butterfly plate is in the closed position, with hydraulic driving annular piston along it axially during forward and backward moving, can make body movable sealing ring and butterfly plate maintenance seal ring merge and separate, when the opening and closing of butterfly plate 90-degree rotation, can realize the zero moment that rubs and reduce sealing pair opening and closing.Above-mentioned maintenance sealing pair is a kind of zero friction sealed pair.
Some butterfly valve is the zero friction butterfly valve with above-mentioned zero friction sealed pair, and some butterfly valve is the zero friction butterfly valve with working seal pair and maintenance sealing pair, and maintenance sealing pair is wherein above-mentioned zero friction sealed pair.Zero friction sealed pair has body movable sealing ring.
The body movable sealing ring of butterfly valve moves when realizing body movable sealing ring with butterfly plate maintenance seal ring merging and separating in valve body, outside valve body, can not observe the position of body movable sealing ring, can not lock the position of body movable sealing ring, if do not observe the position and the position that can not lock body movable sealing ring of body movable sealing ring, once butterfly valve, there is misoperation, can affect the normal operation of water-carriage system, if when valve service work, when serious, major accident can occur.
For can be in the position of the position of valve body movable sealing ring observed in vitro and locking body movable sealing ring, in prior art, body movable sealing ring indication and lock lever device a kind of and zero friction valve matched are disclosed in Chinese patent ZL 2,008 1 0229458.9.
This body movable sealing ring indication and lock lever device are on the mounting hole being connected on valve, with rocking arm slide-block mechanism, the straight line motion of dynamic seal ring in valve body is become to rotatablely move and be delivered on the rocking arm outside valve body by axle, rocking arm outside valve body has bolt lock lever arrangement, thereby can indicate and lock out the position of body movable sealing ring.This body movable sealing ring indication and lock lever device transmission structures are more complicated.
Summary of the invention
The object of the invention is in order to overcome above-mentioned deficiency, propose the simple butterfly valve body moving seal ring locking device of a kind of transmission structures.
The present invention is achieved using the following method.
Butterfly valve body moving seal ring locking device has positioning block, on positioning block, have and the parallel pull bar hole below of positioning block and vertical latch arm hole below with positioning block, pull bar hole and latch arm hole intersect vertically, the front portion in pull bar hole is inserted with pull bar, on the back segment of pull bar, there is the lockhole matching with latch arm hole, the front end of pull bar has contiguous block, the front end of contiguous block is connected with hinged block with reverse-flighted screw, latch arm hole is connected with lock lever device, lock lever device has square frame-shaped support, the lower end of support is embedded with the nut of position rotating, in nut, be rotary with screw rod, the upper end of screw rod is connected with the locking bar that stretches out support upper end and insert latch arm hole, the square plate that has the anti-bolt rotary of setting sleeve on locking bar in support, support upper end is connected with the cylindrical shape installation sleeve being enclosed within on locking bar, between installation sleeve and locking bar, there is cylindrical shape axle sleeve.
The present invention is used for having the zero friction sealed butterfly valve of body movable sealing ring, or has the secondary butterfly valve with overhauling sealing pair of working seal, and the valve seals of maintenance sealing pair is wherein body movable sealing ring.
During installation, water intake at above-mentioned butterfly valve is connected with into water short tube, the mounting hole matching with installation sleeve is outputed in front portion at water inlet short tube, installation sleeve is positioningly arranged on the mounting hole outside valve body, being positioningly arranged on the mounting hole in valve body below of positioning block, allow the latch arm hole of positioning block and the endoporus of installation sleeve communicate, the square frame-shaped support upper end of lock lever device is connected on installation sleeve, allow the locking bar of lock lever device insert latch arm hole through installation sleeve, cylindrical shape axle sleeve is installed between installation sleeve and locking bar.
Hinged block is connected with the body movable sealing ring in valve body.
During use, when butterfly plate is in the closed position, when the body movable sealing ring of zero friction sealed pair is with hydraulic drive and while being against on butterfly plate seal ring, zero friction sealed pair is closed condition, now, being rotated in the forward nut rises by screw rod, the locking bar of screw rod upper end inserts latch arm hole, and be against the rear end of pull bar, the pull bar being connected with body movable sealing ring is inactive, now, is enclosed within square plate on locking bar position up, indicate body movable sealing ring and be in the lock state, this lock state be zero friction sealed pair while closing lock state.
During the above-mentioned zero friction butterfly valve of unlatching lock state when closing, first counterrotating nut declines by screw rod, the locking bar of screw rod upper end leaves the rear end of pull bar piece, now, be enclosed within square plate on locking bar below position, indicate body movable sealing ring in released state, then with hydraulic driving body movable sealing ring, leave butterfly plate seal ring, zero friction sealed pair is opening state, being rotated in the forward nut rises by screw rod again, the locking bar of screw rod upper end inserts latch arm hole and inserts in the lockhole of pull bar, the pull bar that is connected with body movable sealing ring is inactive, now, the square plate being enclosed within on locking bar is also position up, indicating body movable sealing ring is in the lock state, lock state when this lock state is zero friction sealed secondary unlatching.
The present invention is connected with body movable sealing ring with pull bar, locks the position of pull bar with the lifting of nut drive screw, simple in structure, reliable to the locking of body movable sealing ring state.
Below in conjunction with accompanying drawing, the present invention is further described.
Accompanying drawing explanation
Fig. 1 cuts open schematic diagram according to the master of a kind of butterfly valve body moving seal ring locking device of scheme of the invention proposition of the present invention depending on office;
Fig. 2 is that the A of Fig. 1 cuts open schematic diagram to office;
Fig. 3 is that the master with the butterfly valve body moving seal ring locking device of body movable sealing ring position indicator cuts open schematic diagram depending on office;
Fig. 4 is the I place enlarged diagram of Fig. 3;
Fig. 5 is provided with the secondary butterfly valve with overhauling sealing pair of working seal that has of the present invention, and the valve seals of maintenance sealing pair is wherein body movable sealing ring;
Fig. 6 is that the B of Fig. 5 is to partial schematic diagram;
Fig. 7 is the I place enlarged diagram of Fig. 5;
Fig. 8 is the II place enlarged diagram of Fig. 5.
Embodiment
Fig. 1, Fig. 2, Fig. 5, in Fig. 7, butterfly valve body moving seal ring locking device has positioning block 1, on positioning block, have and the parallel pull bar hole 2 below of positioning block and vertical latch arm hole 3 below with positioning block, pull bar hole and latch arm hole intersect vertically, the front portion in pull bar hole is inserted with pull bar 4, on the back segment of pull bar, there is the lockhole 5 matching with latch arm hole, the front end of pull bar has contiguous block 6, the front end of contiguous block is connected with hinged block 7 with reverse-flighted screw, latch arm hole is connected with lock lever device 8, lock lever device has square frame-shaped support 9, the lower end of support is embedded with the nut 10 of position rotating, in nut, be rotary with screw rod 11, the upper end of screw rod is connected with the locking bar 12 that inserts latch arm hole and match with lockhole, the square plate 13 that has the anti-bolt rotary of setting sleeve on locking bar in support, support upper end is connected with the cylindrical shape installation sleeve 14 being enclosed within on locking bar, between installation sleeve and locking bar, there is cylindrical shape axle sleeve 15.
For the lock state teletransmission to body movable sealing ring being gone out, at square frame-shaped support, be connected with upper and lower two approach switchs that match with square plate.Screw rod rises when position up of lock state, square plate, can trigger approach switch; Screw rod decline released state, square plate below position time, can trigger lower approach switch.With approach switch, the teletransmission of the locking and unlocking state can be gone out.
In Fig. 1, Fig. 2, Fig. 5, Fig. 7, the square frame-shaped support of lock lever device be connected with upper and lower to switch plate 16, on switch plate, have upper and lower two approach switchs 17,18 that match with square plate 13.
The screw rod of above-mentioned butterfly valve body moving seal ring locking device rises and screw rod declines can only indicate locking or the released state of body movable sealing ring, after body movable sealing ring locking, the lock state when lock state in the time of can not indicating sealing pair and close or sealing pair are opened.In order to indicate sealing pair, be the state of closing or opening, the present invention can also be connected with position indicator.
In Fig. 3 ~ Fig. 5 and Fig. 8, position indicator 19 has pipe housing 20, in housing, there is the flexible rod 21 stretching out from housing upper and lower end, at the bottom of shell in housing and between flexible rod, there is spring 22, there is the cylindrical shape installation sleeve 23 being enclosed within on flexible rod the upper end of housing, has cylindrical shape axle sleeve 24 between installation sleeve and flexible rod.
Have in the butterfly valve body moving seal ring locking device of position indicator, be connected in that to need below the contiguous block of pull bar front end be inclined-plane.
In Fig. 3, Fig. 5, Fig. 8, pull bar front end contiguous block 6 be below inclined-plane 25, the flexible rod upper end of position indicator is against on the inclined-plane below contiguous block.
During mounting point indicating device, the other mounting hole matching with installation sleeve 23 of outputing of contiguous block on the valve body that butterfly valve body moving seal ring locking device is installed, installation sleeve 23 is positioningly arranged on the mounting hole outside valve body, the housing upper end of position indicator is connected on installation sleeve 23, allows the flexible rod of lock lever device insert in valve body and to be against on contiguous block 6 inclined-plane 25 below.
During use, during the forward and backward motion of pull bar, the upper and lower motion of flexible rod by the slope driving position indicator below contiguous block, indicates the position that sealing pair is closed or opened.
For the position teletransmission that sealing pair is closed or opened is gone out, the flexible rod stretching out from position indicator housing lower end can be connected with upper and lower contact, housing lower end is connected with the upper and lower approach switch matching with contact, the upper and lower motion of flexible rod, approach switch is respectively triggered in contact, and the position teletransmission that sealing pair is closed or opened is gone out.
In Fig. 3, Fig. 4, Fig. 8, it is upper and lower 26,27 that the flexible rod that stretch out position indicator housing lower end is connected with contact, and housing lower end is connected with the approach switch matching with contact upper and lower 28,29.
The present invention can be arranged on the zero friction sealed butterfly valve with body movable sealing ring, during installation, the present invention is uniform to be arranged on the circumference of water inlet short tube of the zero friction sealed butterfly valve water intake with body movable sealing ring, for locking the position of body movable sealing ring and the position of indication body movable sealing ring, the uniform quantity of the present invention being arranged on the zero friction sealed butterfly valve water inlet short tube circumference with body movable sealing ring can be chosen by the bore of butterfly valve and hydraulic driving power.Quantity of the present invention on the uniform water inlet short tube circumference that is arranged on the zero friction sealed butterfly valve water intake with body movable sealing ring can be 2 ~ 20, in 2 ~ 20 the present invention, having a butterfly valve body moving seal ring locking device is the butterfly valve body moving seal ring locking device with position indicator.
In Fig. 5, Fig. 6, uniform four the butterfly valve body moving seal ring locking devices 30,31,32,33 that are provided with on the valve body circumference of zero friction sealed butterfly valve with body movable sealing ring, in four butterfly valve body moving seal ring locking devices, having a butterfly valve body moving seal ring locking device 31 is the butterfly valve body moving seal ring locking devices with position indicator.
Claims (4)
1. a butterfly valve body moving seal ring locking device, it is characterized in that: have positioning block, on positioning block, have and the parallel pull bar hole below of positioning block and vertical latch arm hole below with positioning block, pull bar hole and latch arm hole intersect vertically, the front portion in pull bar hole is inserted with pull bar, on the back segment of pull bar, there is the lockhole matching with latch arm hole, the front end of pull bar has contiguous block, the front end of contiguous block is connected with hinged block with reverse-flighted screw, latch arm hole is connected with lock lever device, lock lever device has square frame-shaped support, the lower end of support is embedded with the nut of position rotating, in nut, be rotary with screw rod, the upper end of screw rod is connected with the locking bar that stretches out support upper end and insert latch arm hole, the square plate that has the anti-bolt rotary of setting sleeve on locking bar in support, support upper end is connected with the cylindrical shape installation sleeve being enclosed within on locking bar, between installation sleeve and locking bar, there is cylindrical shape axle sleeve.
2. by butterfly valve body moving seal ring locking device claimed in claim 1, it is characterized in that: the square frame-shaped support of described lock lever device be connected with upper and lower to switch plate, on switch plate, have upper and lower two approach switchs that match with square plate.
3. by the butterfly valve body moving seal ring locking device described in claim 1 or 2, it is characterized in that: below described pull bar front end contiguous block, be inclined-plane, the inclined-plane of contiguous block is connected with position indicator, position indicator has pipe housing, in housing, there is the flexible rod stretching out from housing upper and lower end, at the bottom of shell in housing and between flexible rod, there is spring, there is the cylindrical shape installation sleeve being enclosed within on flexible rod the upper end of housing, between installation sleeve and flexible rod, have cylindrical shape axle sleeve, the flexible rod upper end of position indicator is against on the inclined-plane below contiguous block.
4. by butterfly valve body moving seal ring locking device claimed in claim 3, it is characterized in that: the flexible rod that stretch out described position indicator housing lower end is connected with contact, and housing lower end is connected with the approach switch matching with contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410429687.0A CN104154249A (en) | 2014-08-28 | 2014-08-28 | Butterfly valve body movable sealing ring locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410429687.0A CN104154249A (en) | 2014-08-28 | 2014-08-28 | Butterfly valve body movable sealing ring locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104154249A true CN104154249A (en) | 2014-11-19 |
Family
ID=51879828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410429687.0A Pending CN104154249A (en) | 2014-08-28 | 2014-08-28 | Butterfly valve body movable sealing ring locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104154249A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112460258A (en) * | 2020-11-24 | 2021-03-09 | 江南造船(集团)有限责任公司 | Ship cable trough penetrating piece sealing device and using method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3131162A1 (en) * | 1981-08-06 | 1983-04-28 | Leybold-Heraeus GmbH, 5000 Köln | THROTTLE VALVE WITH ACCURATE ADJUSTMENT OF THE FLOW GAP FOR VACUUM TECHNICAL SYSTEMS |
| CN101196256A (en) * | 2007-12-28 | 2008-06-11 | 辽宁能发伟业能源科技有限公司 | Butterfly valve body moving seal ring indicating equipment |
| CN201133478Y (en) * | 2007-12-28 | 2008-10-15 | 辽宁能发伟业能源科技有限公司 | Butterfly valve body dynamic seal ring indicating device |
| CN101430027A (en) * | 2008-12-09 | 2009-05-13 | 辽宁能发伟业能源科技有限公司 | Position indication apparatus for valve body movable sealing ring |
| CN202209433U (en) * | 2011-05-09 | 2012-05-02 | 中阀科技(长沙)阀门有限公司 | Dual seal butterfly valve with maintenance seal position indication and lock mechanism |
| CN203979614U (en) * | 2014-07-04 | 2014-12-03 | 中国西电电气股份有限公司 | A kind of inside screw non-rising stem type gate valve that can lock and indicate open/close states |
-
2014
- 2014-08-28 CN CN201410429687.0A patent/CN104154249A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3131162A1 (en) * | 1981-08-06 | 1983-04-28 | Leybold-Heraeus GmbH, 5000 Köln | THROTTLE VALVE WITH ACCURATE ADJUSTMENT OF THE FLOW GAP FOR VACUUM TECHNICAL SYSTEMS |
| CN101196256A (en) * | 2007-12-28 | 2008-06-11 | 辽宁能发伟业能源科技有限公司 | Butterfly valve body moving seal ring indicating equipment |
| CN201133478Y (en) * | 2007-12-28 | 2008-10-15 | 辽宁能发伟业能源科技有限公司 | Butterfly valve body dynamic seal ring indicating device |
| CN101430027A (en) * | 2008-12-09 | 2009-05-13 | 辽宁能发伟业能源科技有限公司 | Position indication apparatus for valve body movable sealing ring |
| CN202209433U (en) * | 2011-05-09 | 2012-05-02 | 中阀科技(长沙)阀门有限公司 | Dual seal butterfly valve with maintenance seal position indication and lock mechanism |
| CN203979614U (en) * | 2014-07-04 | 2014-12-03 | 中国西电电气股份有限公司 | A kind of inside screw non-rising stem type gate valve that can lock and indicate open/close states |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112460258A (en) * | 2020-11-24 | 2021-03-09 | 江南造船(集团)有限责任公司 | Ship cable trough penetrating piece sealing device and using method thereof |
| CN112460258B (en) * | 2020-11-24 | 2022-11-15 | 江南造船(集团)有限责任公司 | Ship cable trough penetrating piece sealing device and using method thereof |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20141119 |