CN112460280A - Valve locking device for valve extension rod - Google Patents
Valve locking device for valve extension rod Download PDFInfo
- Publication number
- CN112460280A CN112460280A CN202011190494.6A CN202011190494A CN112460280A CN 112460280 A CN112460280 A CN 112460280A CN 202011190494 A CN202011190494 A CN 202011190494A CN 112460280 A CN112460280 A CN 112460280A
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- CN
- China
- Prior art keywords
- valve
- rod
- disc
- locking device
- sleeve
- 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
- 230000000903 blocking effect Effects 0.000 claims 2
- 238000009434 installation Methods 0.000 description 4
- 125000006850 spacer group Chemical group 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Images
Classifications
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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
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
- F16K5/0647—Spindles or actuating means
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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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/60—Handles
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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
- F16K35/00—Means to prevent accidental or unauthorised actuation
- F16K35/06—Means to prevent accidental or unauthorised actuation using a removable actuating or locking member, e.g. a key
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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
- F16K35/00—Means to prevent accidental or unauthorised actuation
- F16K35/10—Means to prevent accidental or unauthorised actuation with locking caps or locking bars
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Preventing Unauthorised Actuation Of Valves (AREA)
Abstract
The invention relates to a valve locking device for a valve extension rod, which structurally comprises a valve body, a valve core, a valve rod, a first valve disc and a second valve disc, wherein one end of the valve rod is fixedly connected with the valve core; according to the invention, the two valve discs are used for respectively controlling the opening and closing of the valve body, after the valve body is opened and the flow of the valve body is adjusted, the valve body can be locked by matching the limiting hole on the valve body, the limiting pin and the fixing plate, the operation of closing the valve body by other crews is not influenced, and the change of the flow of the valve body by other crews due to misoperation is avoided.
Description
Technical Field
The invention relates to the field of ship piping systems, in particular to a valve locking device for a valve extension rod.
Background
In a ship pipeline system, the opening, closing and opening degrees of valves of some pipelines are strictly regulated. In order to prevent a shipman from operating the valve by mistake, the handwheel on the valve rod and the valve body are wound together by a chain in the conventional method, but for some valve bodies, the valve rod is usually prolonged for convenient operation due to the lower or higher installation position of the valve body, generally more than 1 meter, and even 7-8 meters, and the valve body is not suitable for locking by the chain.
Disclosure of Invention
In order to solve the technical problems, the invention provides a valve locking device for a valve extension rod, wherein the valve opening and the valve closing are respectively executed, so that a valve can be prevented from being opened by a crew by mistake, the opening by mistake comprises two conditions of opening and adjusting, the valve can be closed by all the crew in an emergency, the closing comprises two conditions of completely closing and adjusting, a chain is not used for locking the valve, and the operation is simple, and the technical purpose of the invention is realized by the following technical scheme:
the utility model provides a lock valve device for on valve extension pole, its structure includes valve body, case, valve rod, first valve disc, second valve disc, and valve rod one end is connected fixedly with the case, and case movable mounting is in the valve body, and the case can rotate relative to the valve body, and first valve disc and second valve disc are installed respectively on the valve rod, and first valve disc and second valve disc can be relative to the one-way free rotation of valve rod respectively, and the one-way free rotation's of first valve disc and second valve disc direction is opposite. The first valve disc and the second valve disc can only rotate freely in a single direction relative to the valve rod, so that the first valve disc and the second valve disc can rotate freely in one direction, and the valve rod is driven to rotate together when the first valve disc and the second valve disc rotate in the other direction, so that one valve is controlled to be opened and the other valve is controlled to be closed, the opening and closing of the valve are separately performed, and after the valve is opened, other crews can close the valve under emergency conditions.
Furthermore, the first valve disc and the second valve disc are respectively provided with a limiting hole, and the limiting holes can be used for exerting force when the valve is opened or closed, so that the first valve disc or the second valve disc can be conveniently rotated.
Furthermore, a limiting pin penetrates through the limiting hole, a locking hole is formed in one end of the limiting pin, a fixing plate is further arranged at the lower end of the limiting pin, one end of the limiting pin, which is provided with the locking hole, penetrates through the limiting hole and the fixing plate in a clearance mode, the fixing plate is installed and fixed on the ship body structure, the position of the locking hole is locked through a padlock, and other crews cannot mistakenly open the valve.
Further, the first valve disc and the second valve disc both comprise a disc body and a sleeve, the sleeve is fixedly installed in the center of the disc body, and the gap of the valve rod penetrates through the sleeve.
Further, sleeve upper end edge is equipped with hook type groove, and hook type groove direction on the sleeve of first valve disc is opposite with the hook type groove direction on the sleeve of second valve disc, and hook type groove slope sets up, and one side is the hook type, and one side is level and smooth slope in addition, still is equipped with the pin on the valve rod, and the relative valve rod of pin sets up perpendicularly, and hook type groove hook is hung in pin one side.
Furthermore, an inner threaded hole is formed in the valve rod, and one end of the stop rod is screwed in the inner threaded hole, so that the sleeve can be conveniently installed on the valve rod.
Further, the disk body lower extreme still is equipped with the stopper, and the stopper installation is fixed on the valve rod, and the distance between the lower terminal surface of pin and the stopper up end is greater than the distance between sleeve up end and the disk body down terminal surface, holds in the palm the disk body from the lower extreme through the stopper, avoids the disk body because of self gravity along the valve rod gliding to the valve rod bottom.
Furthermore, the valve rod comprises an upper section and a lower section, the two sections of valve rods are connected and fixed through the pipe column, and the length of the valve rod is adjusted through adjusting the length of the pipe column.
Compared with the prior art, the invention has the advantages that the two valve discs respectively control the opening and closing of the valve body, and after the valve disc of one control valve body is locked, the operation of other crew performing the other valve disc is not influenced; through the cooperation of spacing hole and spacer pin and fixed plate on the disk body, can pin the disk body, avoid other crew's fault operations.
Drawings
Fig. 1 is a schematic view of a marine pipeline throttle valve according to the present invention.
Fig. 2 is a front view of the marine pipeline choke valve of the present invention.
Fig. 3 is a schematic view of the installation of the stop lever according to the present invention.
Fig. 4 is a schematic view of the valve body structure of the present invention.
Fig. 5 is a schematic view of the valve stem connection of the present invention.
In the figure, 1, a valve body; 2. a valve stem; 3. a first valve disc; 4. a second valve disc; 5. a limiting hole; 6. a sleeve; 7. a hook-shaped groove; 8. a spacing pin; 9. a lock hole; 10. a fixing plate; 11. a limiting block; 12. a stop lever; 13. hook type; 14. a slope; 15. a valve core; 16. a tray body; 17. and (4) a pipe column.
Detailed Description
The technical solution of the present invention is further described below with reference to specific embodiments:
a valve locking device used on a valve extension rod is shown in figures 1-4 and comprises a valve body 1, a valve core 15, a valve rod 2, a first valve disc 3 and a second valve disc 4, wherein the valve core 15 is movably arranged in the valve body 1, the valve core 15 is a spherical valve core, one end of the valve rod 2 is fixedly connected with the valve core 15, the valve core 15 rotates in the valve body 1 by rotating the valve rod 2, and the valve body 1 is opened and closed by rotating the valve core 15; the first valve disc 3 and the second valve disc 4 are respectively installed on the valve rod 2 and are distributed up and down along the valve rod 2, the length of the valve rod 2 can be adjusted according to needs, the valve rod 2 is divided into an upper section and a lower section, the first valve disc 3 and the second valve disc 4 are both installed on the upper section of the valve rod 2, the lower section of the valve rod 2 is fixedly connected with the valve core 15, blind holes are respectively formed in the lower end of the upper section of the valve rod 2 and the upper end of the lower section of the valve rod 2, when the valve is used, two ends of a pipe column 17 are respectively inserted into the blind holes of the two sections of the valve rods and are fixedly welded, and; the first valve disc 4 and the second valve disc 4 can respectively rotate freely in one direction relative to the valve rod 2, and the directions of the unidirectional free rotation of the first valve disc 3 and the unidirectional free rotation of the second valve disc 4 are opposite.
Specifically, first valve disc 3 and second valve disc 4 all include disk body 16 and sleeve 6, evenly be equipped with a plurality of spacing holes 5 on disk body 16, the center at disk body 16 is fixed in the installation of sleeve 6, valve rod 2 passes from the clearance in the sleeve 6, be equipped with hook type groove 7 at sleeve 6 upper end edge, 2 distribute on the sleeve, 3, 4 hook type grooves, hook type groove 7 slope sets up, one side is hook type 13, the other side is smooth slope 14, hook type groove 7 on the sleeve of first valve disc 3 and hook type groove 7 on the sleeve of second valve disc 4 opposite direction, slope 14 on the sleeve of first valve disc 3 and the opposite direction of slope 14 on the second valve disc 4.
In order to rotate the disc body 16 to drive the valve rod 2 to rotate, an inner screw hole is formed in the position, corresponding to the hook-shaped groove 7, of the valve rod 2, a stop rod 12 is installed at the position of the inner screw hole, the stop rod 12 is vertically installed relative to the valve rod 2, the stop rod 12 is cylindrical, and one end of the stop rod 12 is in threaded connection with the inner screw rod. When the disk body 16 is rotated in one direction, the hook-shaped groove 7 can hook the stop rod 12 from one side, so that the valve rod 2 can be driven to rotate relative to the valve body 1, and when the disk body 16 is rotated in the other direction, the stop rod 12 can slide out along a smooth slope, so that the disk body 16 can freely rotate relative to the valve rod 2 and cannot drive the valve rod 2 to rotate.
In order to support the disc body 16, the lower end of the disc body 16 is further provided with a limiting block 11, the limiting block 11 is welded and fixed on the valve rod 2 and can also be installed on the valve rod 2 through threads, and the distance between the lower end face of the stop lever 12 and the upper end face of the limiting block 11 is larger than the distance between the upper end face of the sleeve 6 and the lower end face of the disc body 16, so that the stop lever 12 can slide to the upper portion of the sleeve along the slope 14.
Similarly, if the first valve disc 3 is locked, the limit pin 8 can be installed according to the second valve disc 4, and the detailed description is omitted.
Similarly, if the first valve disc 3 and the second valve disc 4 are locked, the limit pin can simultaneously pass through the limit hole on the first valve disc, the limit hole on the second valve disc and the fixing plate, and the lock is locked by a padlock, so that a user can select the lock according to needs.
The present invention is further explained and not limited by the embodiments, and those skilled in the art can make various modifications as necessary after reading the present specification, but all the embodiments are protected by the patent law within the scope of the claims.
Claims (8)
1. A valve locking device for a valve extension rod is characterized by structurally comprising a valve body, a valve core, a valve rod, a first valve disc and a second valve disc, wherein one end of the valve rod is fixedly connected with the valve core, the valve core is movably arranged in the valve body, the valve core can rotate relative to the valve body, the first valve disc and the second valve disc are respectively arranged on the valve rod, the first valve disc and the second valve disc can respectively rotate relative to the valve rod in a unidirectional mode, and the unidirectional rotation directions of the first valve disc and the second valve disc are opposite.
2. The valve locking device for the valve extension rod as claimed in claim 1, wherein the first valve disc and the second valve disc are respectively provided with a limiting hole.
3. The valve locking device for the valve extension rod according to claim 2, wherein a limiting pin is further inserted into the limiting hole, a locking hole is further formed at one end of the limiting pin, a fixing plate is further arranged at the lower end of the limiting pin, the end of the limiting pin, which is provided with the locking hole, sequentially penetrates through the limiting hole and the fixing plate in a clearance mode, and the fixing plate is fixedly mounted on the ship structure.
4. The valve locking device for the valve extension rod of claim 1, wherein the first valve disk and the second valve disk each comprise a disk body and a sleeve, the sleeve is fixedly mounted in the center of the disk body, and the valve rod gap penetrates through the sleeve.
5. The valve locking device for the valve extension rod is characterized in that the sleeve is provided with a hook-shaped groove at the upper end edge, the direction of the hook-shaped groove on the sleeve of the first valve disk is opposite to that of the hook-shaped groove on the sleeve of the second valve disk, the valve rod is further provided with a stop lever, the stop lever is vertically arranged relative to the valve rod, and the hook-shaped groove is hooked on one side of the stop lever.
6. The valve locking device for the valve extension rod as claimed in claim 5, wherein the valve rod is provided with an internal threaded hole, and one end of the blocking rod is screwed in the internal threaded hole.
7. The valve locking device for the valve extension rod as claimed in claim 5, wherein the lower end of the plate body is further provided with a limiting block, the limiting block is fixedly mounted on the valve rod, and the distance between the lower end surface of the blocking rod and the upper end surface of the limiting block is greater than the distance between the upper end surface of the sleeve and the lower end surface of the plate body.
8. The valve locking device for the valve extension rod is characterized in that the valve rod comprises an upper section and a lower section, and the two sections of the valve rod are connected and fixed through a pipe column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011190494.6A CN112460280A (en) | 2020-10-30 | 2020-10-30 | Valve locking device for valve extension rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011190494.6A CN112460280A (en) | 2020-10-30 | 2020-10-30 | Valve locking device for valve extension rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112460280A true CN112460280A (en) | 2021-03-09 |
Family
ID=74835736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011190494.6A Pending CN112460280A (en) | 2020-10-30 | 2020-10-30 | Valve locking device for valve extension rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112460280A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09317936A (en) * | 1996-05-29 | 1997-12-12 | Ajinomoto Co Inc | Wrong operation preventive manual value |
| CN1309258A (en) * | 2000-02-14 | 2001-08-22 | 王加新 | Seal structure of valve controlled by turning valve rod |
| CN101576039A (en) * | 2009-04-14 | 2009-11-11 | 江苏江淮动力股份有限公司 | Anti-reversion device for starting handle of internal combustion engine with starting pin |
| CN201687628U (en) * | 2010-04-02 | 2010-12-29 | 金坛市天驰轴承有限公司 | Single cylinder diesel anti-reverse starting device |
| US20110265466A1 (en) * | 2009-01-30 | 2011-11-03 | Satoshi Ikeda | Exhaust throttle valve for internal combustion engine |
| CN204164398U (en) * | 2014-08-29 | 2015-02-18 | 天津市易泰柯自动控制设备有限公司 | A kind of ball valve of lockable enable possition |
| US20170059044A1 (en) * | 2015-08-26 | 2017-03-02 | Airbus Safran Launchers Sas | Braking system using a valve |
| CN109222855A (en) * | 2018-08-03 | 2019-01-18 | 苏州中科先进技术研究院有限公司 | A kind of medical endoscope bidirectional ratchet operating device |
| CN209511168U (en) * | 2019-01-02 | 2019-10-18 | 宁波埃美柯铜阀门有限公司 | A kind of twin shaft flange brass ball valve |
-
2020
- 2020-10-30 CN CN202011190494.6A patent/CN112460280A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09317936A (en) * | 1996-05-29 | 1997-12-12 | Ajinomoto Co Inc | Wrong operation preventive manual value |
| CN1309258A (en) * | 2000-02-14 | 2001-08-22 | 王加新 | Seal structure of valve controlled by turning valve rod |
| US20110265466A1 (en) * | 2009-01-30 | 2011-11-03 | Satoshi Ikeda | Exhaust throttle valve for internal combustion engine |
| CN101576039A (en) * | 2009-04-14 | 2009-11-11 | 江苏江淮动力股份有限公司 | Anti-reversion device for starting handle of internal combustion engine with starting pin |
| CN201687628U (en) * | 2010-04-02 | 2010-12-29 | 金坛市天驰轴承有限公司 | Single cylinder diesel anti-reverse starting device |
| CN204164398U (en) * | 2014-08-29 | 2015-02-18 | 天津市易泰柯自动控制设备有限公司 | A kind of ball valve of lockable enable possition |
| US20170059044A1 (en) * | 2015-08-26 | 2017-03-02 | Airbus Safran Launchers Sas | Braking system using a valve |
| CN109222855A (en) * | 2018-08-03 | 2019-01-18 | 苏州中科先进技术研究院有限公司 | A kind of medical endoscope bidirectional ratchet operating device |
| CN209511168U (en) * | 2019-01-02 | 2019-10-18 | 宁波埃美柯铜阀门有限公司 | A kind of twin shaft flange brass ball valve |
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