CN103939666A - Valve locking device - Google Patents
Valve locking device Download PDFInfo
- Publication number
- CN103939666A CN103939666A CN201410177474.3A CN201410177474A CN103939666A CN 103939666 A CN103939666 A CN 103939666A CN 201410177474 A CN201410177474 A CN 201410177474A CN 103939666 A CN103939666 A CN 103939666A
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- CN
- China
- Prior art keywords
- locking
- valve
- hole
- magnetic
- idle running
- 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
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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
- F16K35/00—Means to prevent accidental or unauthorised actuation
- F16K35/16—Means to prevent accidental or unauthorised actuation with locking member actuated by magnet
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Preventing Unauthorised Actuation Of Valves (AREA)
Abstract
The invention relates to a magnetic valve control part, and provides a valve locking device which is reasonable in structure, has a magnetic locking function, can not be damaged by malicious unlocking, and is high in security and long in service life. The valve locking device comprises a valve deck, a valve rod arranged in the valve deck in a rotatable mode, a lock cover detachably arranged in an opening cavity in the upper portion of the valve deck and used for limiting rotation of the valve rod, and an unlocking key. An idle axial limiting device is arranged between the lock cover and the valve deck and comprises two or four pieces of locking magnetic steel. Two or four locking holes are evenly formed in the side wall of the lock cover. An annular idle groove is formed in the position, corresponding to each locking hole of the lock cover, of the valve deck. Each piece of locking magnetic steel is arranged between the corresponding locking hole and the corresponding annular idle groove. The corresponding ends of all the pieces of locking magnetic steel have the same polarity. An unlocking through hole which can allow an unlocking part of the unlocking key to be inserted into and attract all the pieces of locking magnetic steel so as to completely draw the locking magnetic steel back into the locking holes and away from the annular idle grooves is formed in the middle of the lock cover, and the unlocking through hole is communicated with each locking hole.
Description
Technical field
The present invention relates to the controlling component of Fluid valve, particularly a kind of valve locking device.
Background technique
Valve is the controlling component in fluid delivery system, in fluid system, be used for controlling direction, the pressure of fluid, the device of flow, existing fluid control valve mainly comprises valve body, valve gap, open-shut device, valve rod and opening device, described valve gap is located at valve body top, described open-shut device is located between the interior water intake of valve body and water outlet, one end of valve rod puts in valve body and is connected with open-shut device, the other end stretches out outside valve body and valve gap, and described opening device is located on the free end of the above valve rod of valve gap.Conventionally in order to realize the keying of personal management's valve, limiting other people illegally opens and closes, be convenient to public utilities and community's property management, the allotment that makes the energy with carry planned carrying out, the removable magnetic locking mechanism that is subject to opening device control that is arranged with also above the valve gap of described valve conventionally.
As Fig. 1, traditional magnetic lockable valve, comprise valve body 1', valve gap 2', open-shut device 4', valve rod 5' and unlatching key 6', described valve gap 2' is located at valve body 1' top, described valve body 1' vertically part offers the fluid passage that connects medium, described fluid passage has water intake 11' and water outlet 12', described open-shut device 4' can go up, being located between the interior described water intake 11' of valve body 1' and water outlet 12' of lower lifting, described valve rod 5' one end is threaded with open-shut device 4' through valve gap 2', on described valve gap 2', be also provided with the magnetic locking mechanism that restriction valve rod 5' rotates, described unlatching key 6' is provided with the release mechanism for removing magnetic locking mechanism, described magnetic locking mechanism comprises bonnet 3', described bonnet 3' is sheathed on valve gap 2' top, and be fixedly connected with the free end of valve rod 5' by bearing pin 51', on end face wall body between described bonnet 3' and bottom flange 2', have upper lockhole 31' and the lower lockhole 21' of mutual corresponding setting, between described upper lockhole 31' and lower lockhole 21', be provided with lower magnetic steel 7', the below that is positioned at lower magnetic steel 7' in described lower lockhole 21' is also provided with Returnning spring 8', described release mechanism is to be located to open the upper upper magnetic steel 61' corresponding with described lower magnetic steel 7' position of key 6', and the identical setting of one end polarity that upper magnetic steel 61' is corresponding with lower magnetic steel 7', above-mentioned magnetic locking valve can ensure that personal management opens and closes, limiting other people illegally opens, while needing Open valve, the opened lock key case of carrying is located to valve gap top, because the magnetic pole of opening the upper magnetic steel in key and the lower magnetic steel between bonnet and bottom flange is homopolarity, under the effect of repelling mutually at magnetic homopolarity, lower magnetic steel produces spring in the lower lockhole of the complete retraction bottom flange of pressure, bonnet can be rotated with opening key turn, then rotate with ovable valve stem the open and close that realize valve body, do not work while packing up when opening key, lower magnetic steel between bonnet and bottom flange by stuck bonnet on bottom flange, it can not be rotated with other opener, although this magnetic locking mode is simple and convenient, but the opener general due to the top of bonnet still can clamp, do not work while being packed up when opening key, some lawless persons understand misidentification for this reason magnetic locking valve be not magnetic common valve, just can revolve by general opener the valve opening, in the time that valve is illegally opened, because bonnet is fixed on bottom flange, can not rotate with general opener, be easy to open and damage because of malice, thereby, often there is the phenomenon that in pipeline, magnetic locking valve is maliciously damaged, make troubles to the maintenance work of magnetic locking valve, shorten the working life of valve.
Summary of the invention
For the problems referred to above, the present invention propose a kind of rational in infrastructure, can not open and damage because of malice when thering is magnetic locking function, safe, long service life, valve locking device easy to maintenance.
For solving this technical problem, the present invention takes following scheme: valve locking device, it is located at the valve body top of valve for the opening and closing of control valve spool, described locking device comprises valve gap, valve rod, locking closure and unlatching key, described valve rod is rotating to be located in valve gap, bonnet lower is stretched out in its one end, the top of described valve gap is provided with atrium, described locking closure is removable to be located in valve upper part of the cover atrium for limiting the rotation of valve rod, between described locking closure and valve gap, be provided with idle running axially stop block, described idle running axially stop block comprises two or four locking magnet steel, the sidewall of described locking closure is evenly equipped with two or four locking hole, the position in the corresponding each locking of locking closure of described valve gap hole is provided with annular idle running groove, described each locking magnet steel is located at respectively between each locking hole and annular idle running groove, the identical setting of that one end polarity that each locking magnet steel is oppositely arranged, the middle part of described locking closure is provided with and can inserts to hold each locking magnet steel and make in the each locking of its complete retraction hole for opening the open portion of key, depart from the unlatching through hole of annular idle running groove, described unlatching through hole is connected with each locking hole, the open portion of described unlatching key is magnetic conduction open portion.
Further improved: described locking closure lower outside is also arranged with lock tube, the position in the corresponding each locking of described lock tube hole is provided with transitional pore.
Further improved: also comprise Returnning spring and dust plug, described dust plug is located at and is opened in through hole, and the top of opening through hole is provided with the Ka Tai that can prevent that dust plug from skidding off, described Returnning spring is located at and is opened between the interior described dust plug of through hole and lock tube.
Further improved: above seal ring together with being provided with between described valve rod and valve gap.
By adopting aforementioned techniques scheme, the invention has the beneficial effects as follows: while needing unlatching or throttle down, the magnetic conduction open portion of the unlatching key of carrying is inserted in the unlatching through hole of locking closure, the magnetic conduction open portion of unlatching key after inserting holds each locking magnet steel, make to depart from annular idle running groove in the each locking of each locking magnet steel retraction hole, behind the each locking of each locking magnet steel retraction hole, operator just can take out whole locking closure, after locking closure takes out, general opener just can stretch into valve gap turn valve rod, thereby realizes the open and close of valve body, do not work while packing up when opening key, due to the identical setting of that one end polarity of each locking magnet steel relative set, utilize the principle of magnetic homopolar-repulsion, symmetrically arranged two locking magnet steel interact and repel between each locking hole and annular idle running groove, in the time that each locking magnet steel is between each locking hole and annular idle running groove, just locking closure can be fixed on valve gap, locking closure can also do lost motion with general opener rotation in valve gap simultaneously, thereby make valve can not open and damage because of malice, ensure to a certain extent the Security that magnetic valve uses, reduce the phenomenon that in pipeline, magnetic valve is maliciously damaged, bring convenience to the maintenance work of magnetic valve, extend the working life of magnetic valve.
Brief description of the drawings
Fig. 1 is the structural representation of prior art magnetic lockable valve.
Fig. 2 is embodiment of the present invention structural representation.
Fig. 3 is the mounting structure figure of embodiment of the present invention locking closure and lock tube.
Fig. 4 is the structural representation that the embodiment of the present invention is opened key.
Fig. 5 is that the embodiment of the present invention is arranged on the structural representation on valve.
Embodiment
Now the present invention is further described with specific embodiment by reference to the accompanying drawings.
Referring to figs. 2 to Fig. 5, the present embodiment discloses a kind of valve locking device, it is located at valve body 1 top of valve for the opening and closing of control valve spool 2, described locking device comprises valve gap 3, valve rod 4, locking closure 5 and unlatching key 6, described valve rod 4 is rotating to be located in valve gap 3, valve gap 3 bottoms are stretched out in its one end, between described valve rod 4 and valve gap 3, be provided with two seals circle 7, the top of described valve gap 3 is provided with atrium 31, described locking closure 5 is removable to be located in the atrium 31 on valve gap 3 tops for limiting the rotation of valve rod 4, between described locking closure 5 and valve gap 3, be provided with idle running axially stop block, described idle running axially stop block comprises two symmetrically arranged locking magnet steel 8, the sidewall of described locking closure 5 is symmetrically arranged with two locking holes 51, the position in the described valve gap 3 each locking of corresponding locking closure 5 hole 51 is provided with annular idle running groove 32, described each locking magnet steel 8 is located at respectively between each locking hole 51 and annular idle running groove 32, the identical setting of that one end polarity that each locking magnet steel 8 is oppositely arranged, the middle part of described locking closure 5 is provided with and can inserts to hold each locking magnet steel 8 and make in the each locking of its complete retraction hole 51 for opening the open portion 61 of key 6, depart from the unlatching through hole 52 of annular idle running groove 32, described unlatching through hole 52 is connected with each locking hole 51, the open portion 61 of described unlatching key 6 is magnetic conduction open portion, wherein, unlatching through hole is cross-hole, each edge lengths that cross-hole is corresponding with magnetic conduction open portion section is different, the sectional shape of open portion 61 is and opens cross that through hole matches.
Described locking closure 5 lower outsides are also arranged with lock tube 9, and the position in the corresponding each locking of described lock tube 9 hole 51 is provided with transitional pore 91.Be provided with lock tube 9, after locking closure 5 takes out, each locking magnet steel 8 is rotated an angle by available unlatching key 6, thereby avoid the transitional pore 91 of lock tube 9, is located in lock tube 9, prevent from taking out locking closure after each locking magnet steel skid off locking hole and transitional pore.
Also comprise Returnning spring 53 and dust plug 54, described dust plug 54 is located at and is opened in through hole 52, and the top of opening through hole 52 is provided with the card platform 521 that can prevent that dust plug 54 from skidding off, and described Returnning spring 53 is located at and is opened between the interior described dust plug 54 of through hole 52 and lock tube 9.Dust plug can prevent that dust from entering in unlatching through hole, and in the time that valve is static, Returnning spring can make dust plug resist in the top of opening through hole.
Described locking closure 5 tops are circle shape, and general opener is difficult for clamping, can further remind this valve of people not clamp unlatching by general purpose tool, have further ensured the Security that valve uses, and have further extended the working life of magnetic valve.
As Fig. 4, the embodiment of the present invention is arranged on the structural representation on valve, valve gap 3 is located at the top of valve body 1, the spool 2 of valve is located between valve body 1 water intake and water outlet, the bottom free end of valve rod 4 stretches in valve body 1 and is connected with the spool 2 of valve, in the time of needs unlatching or throttle down, the magnetic conduction open portion 61 of the unlatching key 6 of carrying is inserted in the unlatching through hole 52 of locking closure, the magnetic conduction open portion 61 of unlatching key 6 after inserting holds each locking magnet steel 8, make to depart from annular idle running groove 32 in each locking magnet steel each locking of 8 retraction hole 51, behind each locking magnet steel each locking of 8 retraction hole 51, operator just can take out whole locking closure, after locking closure takes out, general opener just can stretch into valve gap turn valve rod, thereby realize the open and close of valve body, do not work while packing up when opening key, due to the identical setting of that one end polarity of each locking magnet steel relative set, utilize the principle of magnetic homopolar-repulsion, symmetrically arranged two locking magnet steel interact and repel between each locking hole and annular idle running groove, in the time that each locking magnet steel is between each locking hole and annular idle running groove, just locking closure can be fixed on valve gap, locking closure can also do lost motion with general opener rotation in valve gap simultaneously, thereby make valve can not open and damage because of malice, ensure to a certain extent the Security that magnetic valve uses, reduce the phenomenon that in pipeline, magnetic valve is maliciously damaged, bring convenience to the maintenance work of magnetic valve, extend the working life of magnetic valve.
Based on aforementioned techniques scheme, described locking hole can be also four or six, just can realize object of the present invention as long as be distributed on the sidewall of locking closure.
Above record, only, for utilizing the embodiment of this origination techniques content, modification, variation that any those skilled in the art use this creation to do, all belong to the scope of the claims that this creation is advocated, and be not limited to those disclosed embodiments.
Claims (4)
1. valve locking device, it is located at the valve body top of valve for the opening and closing of control valve spool, it is characterized in that: described locking device comprises valve gap, valve rod, locking closure and unlatching key, described valve rod is rotating to be located in valve gap, bonnet lower is stretched out in its one end, the top of described valve gap is provided with atrium, described locking closure is removable to be located in valve upper part of the cover atrium for limiting the rotation of valve rod, between described locking closure and valve gap, be provided with idle running axially stop block, described idle running axially stop block comprises two or four locking magnet steel, the sidewall of described locking closure is evenly equipped with two or four locking hole, the position in the corresponding each locking of locking closure of described valve gap hole is provided with annular idle running groove, described each locking magnet steel is located at respectively between each locking hole and annular idle running groove, the identical setting of that one end polarity that each locking magnet steel is oppositely arranged, the middle part of described locking closure is provided with and can inserts to hold each locking magnet steel and make in the each locking of its complete retraction hole for opening the open portion of key, depart from the unlatching through hole of annular idle running groove, described unlatching through hole is connected with each locking hole, the open portion of described unlatching key is magnetic conduction open portion.
2. valve locking device according to claim 1, is characterized in that: described locking closure lower outside is also arranged with lock tube, and the position in the corresponding each locking of described lock tube hole is provided with transitional pore.
3. valve locking device according to claim 2, it is characterized in that: also comprise Returnning spring and dust plug, described dust plug is located at and is opened in through hole, the top of opening through hole is provided with the Ka Tai that can prevent that dust plug from skidding off, and described Returnning spring is located at and is opened between the interior described dust plug of through hole and lock tube.
4. valve locking device according to claim 1, is characterized in that: above seal ring together with being provided with between described valve rod and valve gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410177474.3A CN103939666A (en) | 2014-04-29 | 2014-04-29 | Valve locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410177474.3A CN103939666A (en) | 2014-04-29 | 2014-04-29 | Valve locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103939666A true CN103939666A (en) | 2014-07-23 |
Family
ID=51187461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410177474.3A Pending CN103939666A (en) | 2014-04-29 | 2014-04-29 | Valve locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103939666A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5596893A (en) * | 1995-12-28 | 1997-01-28 | Hydra-Shield Manufacturing, Inc. | Devices for securing fire hydrant valves |
| CN2384061Y (en) * | 1999-07-27 | 2000-06-21 | 王志存 | Magnetic pipe locking valve |
| CN101818811A (en) * | 2010-05-21 | 2010-09-01 | 卓旦春 | Novel lock valve |
| CN103411023A (en) * | 2013-08-12 | 2013-11-27 | 宁波日安阀门有限公司 | Manual stop valve with magnetic lock |
| CN203348710U (en) * | 2013-07-09 | 2013-12-18 | 福建海洋铜业有限公司 | Double-protection mechanical valve lock |
| CN203442303U (en) * | 2013-08-26 | 2014-02-19 | 宁波埃美柯铜阀门有限公司 | Internally-arranged locking ball valve |
| CN203797124U (en) * | 2014-04-29 | 2014-08-27 | 福建省海洋阀门科技有限公司 | Valve locking device |
-
2014
- 2014-04-29 CN CN201410177474.3A patent/CN103939666A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5596893A (en) * | 1995-12-28 | 1997-01-28 | Hydra-Shield Manufacturing, Inc. | Devices for securing fire hydrant valves |
| CN2384061Y (en) * | 1999-07-27 | 2000-06-21 | 王志存 | Magnetic pipe locking valve |
| CN101818811A (en) * | 2010-05-21 | 2010-09-01 | 卓旦春 | Novel lock valve |
| CN203348710U (en) * | 2013-07-09 | 2013-12-18 | 福建海洋铜业有限公司 | Double-protection mechanical valve lock |
| CN103411023A (en) * | 2013-08-12 | 2013-11-27 | 宁波日安阀门有限公司 | Manual stop valve with magnetic lock |
| CN203442303U (en) * | 2013-08-26 | 2014-02-19 | 宁波埃美柯铜阀门有限公司 | Internally-arranged locking ball valve |
| CN203797124U (en) * | 2014-04-29 | 2014-08-27 | 福建省海洋阀门科技有限公司 | Valve locking device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140723 |
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| RJ01 | Rejection of invention patent application after publication |