CN203797124U - Valve locking device - Google Patents
Valve locking device Download PDFInfo
- Publication number
- CN203797124U CN203797124U CN201420215529.0U CN201420215529U CN203797124U CN 203797124 U CN203797124 U CN 203797124U CN 201420215529 U CN201420215529 U CN 201420215529U CN 203797124 U CN203797124 U CN 203797124U
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- CN
- China
- Prior art keywords
- locking
- valve
- hole
- opening
- 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.)
- Expired - Fee Related
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- Preventing Unauthorised Actuation Of Valves (AREA)
Abstract
The utility model relates to a valve locking device comprising a bonnet, a valve stem, a lock cover, and an opening key. The valve stem is rotatably disposed inside the bonnet. The lock cover detachably disposed inside an upper open cavity of the bonnet is used for limiting rotation of the valve stem. An idle axial limiter is disposed between the lock cover and the bonnet and comprises two or four locking steel magnet; the sidewall of the lock cover is evenly provided with two or four locking holes; the bonnet is provided with circular idling grooves corresponding to the locking holes; the locking steel magnets are disposed between the locking holes and the circular idling grooves respectively; the corresponding ends of the locking steel magnets are arranged in a homopolar manner; the middle of the lock cover is provided with an opening through hole, and the opening portion of the opening key can be inserted into the opening through hole to attract the locking steel magnets, so that the locking steel magnets are completely retracted into the locking holes and leave the circular idling grooves; the opening through hole is communicated with all the locking holes.
Description
Technical field
The utility model 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 for removing the release mechanism of 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 guarantee 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 opening upper magnetic steel in key and the magnetic pole of the lower magnetic steel between bonnet and bottom flange, it is homopolarity, under the effect of repelling mutually at magnetic homopolarity, lower magnetic steel produces in the lower lockhole of the complete retraction bottom flange of pressure to spring, bonnet can be rotated with opening key turn, then with ovable valve stem, rotate the open and close that realize valve body, when opening key, do not work while packing up, lower magnetic steel between bonnet and bottom flange is stuck on bottom flange by bonnet, 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, when opening key, do not work while being packed up, some lawless persons understand misidentification for this reason magnetic locking valve be not magnetic common valve, just can revolve the valve opening by general opener, when 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, shortened the working life of valve.
Model utility content
For the problems referred to above, the utility model proposes 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 utility model is taked 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 each locking hole of the corresponding locking closure of described valve gap 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 can be inserted to hold each locking magnet steel for the open portion of opening key and make in each locking hole of its complete retraction, the unlatching through hole that departs from 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 corresponding each locking hole of described lock tube 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 described valve rod is provided with between valve gap.
By adopting aforementioned techniques scheme, the beneficial effects of the utility model are: 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 each each locking hole of locking magnet steel retraction, behind each each locking hole of locking magnet steel retraction, 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, when opening key, do not work while packing up, the identical setting of that one end polarity due to 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, when 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 be done lost motion with general opener rotation in valve gap simultaneously, thereby make valve can not open and damage because of malice, guaranteed to a certain extent the Security that magnetic valve is used, reduced the phenomenon that in pipeline, magnetic valve is maliciously damaged, bring convenience to the maintenance work of magnetic valve, extended the working life of magnetic valve.
Accompanying drawing explanation
Fig. 1 is the structural representation of prior art magnetic lockable valve.
Fig. 2 is the utility model example structure schematic diagram.
Fig. 3 is the mounting structure figure of the utility model embodiment locking closure and lock tube.
Fig. 4 is the structural representation that the utility model embodiment opens key.
Fig. 5 is that the utility model embodiment is arranged on the structural representation on valve.
Embodiment
Now with specific embodiment, the utility model is further illustrated 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 corresponding locking closure of described valve gap 35 each locking holes 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 can be inserted to hold each locking magnet steel 8 for the open portion 61 of opening key 6 and make in each locking hole 51 of its complete retraction, the unlatching through hole 52 that departs from 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, cross-hole is different with each edge lengths of corresponding section of magnetic conduction open portion, 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 described lock tube 9 corresponding each locking holes 51 is provided with transitional pore 91.Be provided with lock tube 9, after locking closure 5 takes out, available unlatching key 6 rotates an angle by each locking magnet steel 8, thereby avoids 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 when 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 guaranteed the Security that valve is used, and have further extended the working life of magnetic valve.
As Fig. 4, the utility model embodiment 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, when needs unlatching or throttle down, the magnetic conduction open portion of the unlatching key 6 of carrying 61 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 hole 51 of each locking magnet steel 8 retractions, behind each each locking hole 51 of locking magnet steel 8 retractions, 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, when opening key, do not work while packing up, the identical setting of that one end polarity due to 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, when 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 be done lost motion with general opener rotation in valve gap simultaneously, thereby make valve can not open and damage because of malice, guaranteed to a certain extent the Security that magnetic valve is used, reduced the phenomenon that in pipeline, magnetic valve is maliciously damaged, bring convenience to the maintenance work of magnetic valve, extended the working life of magnetic valve.
Based on aforementioned techniques scheme, described locking hole also can be four or six, as long as be distributed on the sidewall of locking closure, just can realize the purpose of this utility model.
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 each locking hole of the corresponding locking closure of described valve gap 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 can be inserted to hold each locking magnet steel for the open portion of opening key and make in each locking hole of its complete retraction, the unlatching through hole that departs from 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 corresponding each locking hole of described lock tube 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 described valve rod is provided with between valve gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420215529.0U CN203797124U (en) | 2014-04-29 | 2014-04-29 | Valve locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420215529.0U CN203797124U (en) | 2014-04-29 | 2014-04-29 | Valve locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203797124U true CN203797124U (en) | 2014-08-27 |
Family
ID=51379334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420215529.0U Expired - Fee Related CN203797124U (en) | 2014-04-29 | 2014-04-29 | Valve locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203797124U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103939666A (en) * | 2014-04-29 | 2014-07-23 | 福建省海洋阀门科技有限公司 | Valve locking device |
-
2014
- 2014-04-29 CN CN201420215529.0U patent/CN203797124U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103939666A (en) * | 2014-04-29 | 2014-07-23 | 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 |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20140827 Termination date: 20180429 |