CN202834344U - Improved valve security encryption mechanism - Google Patents
Improved valve security encryption mechanism Download PDFInfo
- Publication number
- CN202834344U CN202834344U CN 201220474050 CN201220474050U CN202834344U CN 202834344 U CN202834344 U CN 202834344U CN 201220474050 CN201220474050 CN 201220474050 CN 201220474050 U CN201220474050 U CN 201220474050U CN 202834344 U CN202834344 U CN 202834344U
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- China
- Prior art keywords
- valve
- magnetic steel
- bonnet
- lockhole
- lock
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Preventing Unauthorised Actuation Of Valves (AREA)
Abstract
The utility model relates to a magnetic valve control component, and provides an improved valve security encryption mechanism which has magnetic locking function, prevention of damages caused by malicious opening, high safety and long service life. The improved valve security encryption mechanism is arranged on the upper part of a valve cover of the valve, is used for controlling a valve core to be opened and closed, and comprises an upper valve cover, a lock sleeve and an opening lock key. The lock sleeve is arranged on the upper valve cover and connected with a valve rod through a pin shaft. A sleeve of the upper valve cover is arranged on the lock sleeve. An idling axis is arranged between the upper valve cover and the valve rod of the valve. The valve rod is arranged on upper part of the idling axis, and provided with an axial spacing jump ring. Wall bodies on the upper and lower end faces of the lock sleeve are correspondingly provided with upper lock holes and lower lock holes respectively, each lower lock hole is provided with a lower magnetic steel, each upper lock hole is provided with an upper magnetic steel, corresponding ends of the upper magnetic steel and the lower magnetic steel are arranged in an opposite polarity way, the distance a' between each upper lock hole and each lower lock hole is 2 millimeters, the upper valve cover is provided with an opening hole, the opening lock key is provided with opening and closing magnetic steel, and magnetism of the opening and closing magnetic steel is opposite to the magnetism of the upper magnetic steel in the upper lock holes.
Description
Technical field
The utility model relates to the controlling component of Fluid valve, particularly a kind of modified model safety valve Sealing mechanism.
Background technique
Such as Fig. 1, traditional magnetic anti-theft is encrypted 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 the water outlet 12' of lower lifting, described valve rod 5' one end passes valve gap 2' and is threaded with open-shut device 4', also be provided with the magnetic Sealing mechanism that restriction valve rod 5' rotates on the described valve gap 2', described unlatching key 6' is provided with for the release mechanism of removing the magnetic Sealing mechanism, described magnetic Sealing 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', have upper lockhole 31' and the lower lockhole 21' of mutual corresponding setting on the end face wall body between described bonnet 3' and the bottom flange 2', be provided with lower magnetic steel 7' between described upper lockhole 31' and the lower lockhole 21', the below that is positioned at lower magnetic steel 7' in the described lower lockhole 21' also is 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 an end polarity that upper magnetic steel 61' is corresponding with lower magnetic steel 7', above-mentioned magnetic locking valve can guarantee that the personal management opens and closes, limiting other people illegally opens, when needing Open valve, the opened lock key case of carrying is located at the valve gap top, be homopolarity because opening upper magnetic steel in the key and the magnetic pole of the lower magnetic steel between bonnet and the bottom flange, under the effect that the magnetic homopolarity repels mutually, lower magnetic steel produces in the lower lockhole of the complete retraction bottom flange of pressure to spring, so that bonnet can rotate with opening the key turn, then rotate the open and close that realize valve body with ovable valve stem, do not work when packing up when opening key, lower magnetic steel between bonnet and the bottom flange is stuck on bottom flange with bonnet, it can not be rotated with other opener, although this magnetic cipher mode is simple and convenient, but because the general opener in the top of bonnet still can clamping, do not work when being packed up when opening key, some lawless persons understand misidentification for this reason magnetic to encrypt valve be not magnetic common valve, just can revolve the valve that opens by general opener, when valve is illegally opened, because bonnet is fixed on the bottom flange, can not rotate with general opener, be easy to damage because of the malice unlatching, thereby, the phenomenon that magnetic encryption valve is maliciously damaged in the pipeline often appears, encrypt the maintenance work of valve makes troubles to magnetic, has shortened the working life of valve.
Summary of the invention
For the problems referred to above, the utility model proposes a kind of rational in infrastructure, can not open because of malice when having the magnetic locking function and damage, safe, long service life, modified model safety valve Sealing mechanism easy to maintenance.
For solving this technical problem, the utility model is taked following scheme: modified model safety valve Sealing mechanism, its valve gap top of being located at valve is used for the rotation of restriction valve rod with the opening and closing of control spool, it is characterized in that: described antitheft Sealing mechanism comprises bonnet, lock tube and unlatching key, being located on the bonnet of described unlatching key activity, described lock tube is rotating to be located on the valve gap of valve, and be fixedly connected with the valve rod of valve by bearing pin, being sheathed on the lock tube of described bonnet, and can do lost motion around the valve rod outside of valve, be provided with the box bearing that can make bonnet do radial rotating along the valve rod outside between the valve rod free end of described bonnet top and valve, the top that described valve rod is positioned at box bearing is provided with the axial limiting jump ring that prevents that bearing and bonnet from axially moving, described lock tube upper, on the lower both ends of the surface wall body respectively along circumferentially evenly offering mutual corresponding upper lockhole and the lower lockhole that arranges, be respectively equipped with lower magnetic steel in described each time lockhole, describedly be respectively equipped with upper magnetic steel in the lockhole on each, a described upper magnetic steel end polarity corresponding with lower magnetic steel arranges on the contrary, distance between described upper lockhole and the lower lockhole (a ') be 1.5～3.5mm, offer on described bonnet and contacted that end-face wall of lock tube and lock tube corresponding stretching into and the open hole that ejects for each upper magnetic steel of lockhole on each, be respectively equipped with on the described unlatching key position corresponding with each open hole of bonnet with upper lockhole in the opposite keying magnet steel of upper magnetic steel magnetic.
Further improvedly be: the distance between upper lockhole and the lower lockhole (a ') be 2mm.
Further improvedly be: described bonnet top is circular protrusions.
By adopting the aforementioned techniques scheme, the beneficial effects of the utility model are: when needing Open valve, the opened lock key case of carrying is located at the bonnet top, because of the upper magnetic steel magnetic pole opened on facing the wall and meditating on unlatching magnet steel and the lock tube in the key opposite, under the effect that the magnetic heteropole is inhaled mutually, the unlatching magnet steel that upper magnetic steel is unlocked in the device sucks in the open hole of bonnet, so that each upper magnetic steel is between bonnet and lock tube, thereby so that bonnet can rotate with opening the key turn, then drive lock tube and rotate, rotate the open and close that realize valve body thereby drive the valve rod that fixes with lock tube; Do not work when packing up when opening key, because the interattraction of magnetic different poles, the lower magnetic steel of lock tube below can hold the upper magnetic steel of lock tube top and make upper magnetic steel break away from the open hole of bonnet, like this, when valve is illegally opened by other opener, because upper magnetic steel does not contact with the open hole of bonnet, so that bonnet can rotate and does lost motion at the bearing of all sides of valve rod with general opener, thereby valve can not opened because of malice to be damaged, guaranteed to a certain extent the Security that magnetic valve uses, reduced the phenomenon that magnetic valve is maliciously damaged in the pipeline, bring convenience for the maintenance work of magnetic valve, prolonged the working life of magnetic valve.
Description of drawings
Fig. 1 is the structural representation of prior art magnetic lockable valve.
Fig. 2 is the utility model example structure schematic representation.
Fig. 3 is that the utility model embodiment is installed in the structural representation on the valve.
Embodiment
Now with specific embodiment the utility model is further specified by reference to the accompanying drawings.
With reference to figure 2, present embodiment discloses a kind of modified model safety valve Sealing mechanism, its valve gap 1 top of being located at valve is used for the rotation of restriction valve rod 2 with the opening and closing of control spool, described antitheft Sealing mechanism comprises opens key 3, bonnet 4 and lock tube 5, being located on the bonnet 4 of described unlatching key 3 activities, described lock tube 5 is rotating to be located on the valve gap 1 of valve, the top that described valve rod 2 is positioned at valve gap 1 also is provided with spacing jump ring 21, and be fixedly connected with the valve rod 2 of valve by bearing pin 6, being sheathed on the lock tube 5 of described bonnet 4, and can do lost motion around valve rod 2 outsides of valve, be provided with the box bearing 41 that can make bonnet 4 do radial rotating along valve rod 2 outsides between valve rod 2 free ends of described bonnet 4 tops and valve, the top that described valve rod 2 is positioned at box bearing 41 is provided with the axial limiting jump ring 22 that prevents that box bearing 41 and bonnet 4 from axially moving, described lock tube 5 upper, on the lower both ends of the surface wall body respectively along circumferentially evenly offering 4 mutually corresponding upper lockhole and lower lockholes that arrange, be respectively equipped with lower magnetic steel 52 in described each time lockhole, describedly be respectively equipped with upper magnetic steel 51 in the lockhole on each, described upper magnetic steel 51 and lower magnetic steel 52 corresponding end polarity arrange on the contrary, offer on described bonnet 4 and lock tube 5 contacted those end-face wall and lock tube 5 corresponding the stretching into and the open hole 42 that ejects for each upper magnetic steel 51 of lockhole on each, be respectively equipped with on described unlatching key 3 position corresponding with bonnet 4 each open hole with upper lockhole in the opposite keying magnet steel 31 of upper magnetic steel 51 magnetic, for thereby the magnetic force that opens and closes magnet steel is sucked upper magnetic steel in the open hole greater than the magnetic that the magnetic force of lower magnetic steel overcomes lower magnetic steel, between described upper lockhole and the lower lockhole is 2mm apart from a ', thereby so that upper magnetic steel can be held by lower magnetic steel when opening key and not working, when opening key work, upper magnetic steel can be unlocked in the magnet steel suction open hole.
Described bonnet 4 tops are circular protrusions 43, the general opener of circular protrusions of bonnet top is difficult for clamping, can further remind this valve of people not open by the general purpose tool clamping, further guarantee the Security that valve uses, further prolonged the working life of magnetic valve.
Such as Fig. 3, the utility model embodiment is installed in the structural representation on the valve, when the needs Open valve, the opened lock key case of carrying is located at the bonnet top, because of the upper magnetic steel magnetic pole opened on facing the wall and meditating on unlatching magnet steel and the lock tube in the key opposite, under the effect that the magnetic heteropole is inhaled mutually, the unlatching magnet steel that upper magnetic steel is unlocked in the device sucks in the open hole of bonnet, so that each upper magnetic steel is between bonnet and lock tube, thereby so that bonnet can rotate with opening the key turn, then drive lock tube and rotate, rotate the open and close that realize spool 7 thereby drive the valve rod that fixes with lock tube; Do not work when packing up when opening key, because the interattraction of magnetic different poles, the lower magnetic steel of lock tube below can hold the upper magnetic steel of lock tube top and make upper magnetic steel break away from the open hole of bonnet, like this, when valve is illegally opened by other opener, because upper magnetic steel does not contact with the open hole of bonnet, so that bonnet can be done lost motion with general opener rotation and at the bearing of all sides of valve rod, thereby valve can not opened because of malice to be damaged, guaranteed to a certain extent the Security that magnetic valve uses, reduced the phenomenon that magnetic valve is maliciously damaged in the pipeline, bring convenience for the maintenance work of magnetic valve, prolonged the working life of magnetic valve.
Based on the aforementioned techniques scheme, needing only apart from a ' between described upper lockhole and the lower lockhole all can realize the purpose of this utility model between 1.5～3.5mm.
The 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 claim that this creation is advocated, and are not limited to those disclosed embodiments.
Claims (4)
1. modified model safety valve Sealing mechanism, its valve gap top of being located at valve is used for the rotation of restriction valve rod with the opening and closing of control spool, it is characterized in that: described antitheft Sealing mechanism comprises bonnet, lock tube and unlatching key, being located on the bonnet of described unlatching key activity, described lock tube is rotating to be located on the valve gap of valve, and be fixedly connected with the valve rod of valve by bearing pin, being sheathed on the lock tube of described bonnet, and can do lost motion around the valve rod outside of valve, be provided with the box bearing that can make bonnet do radial rotating along the valve rod outside between the valve rod free end of described bonnet top and valve, the top that described valve rod is positioned at box bearing is provided with the axial limiting jump ring that prevents that bearing and bonnet from axially moving, described lock tube upper, on the lower both ends of the surface wall body respectively along circumferentially evenly offering mutual corresponding upper lockhole and the lower lockhole that arranges, be respectively equipped with lower magnetic steel in described each time lockhole, describedly be respectively equipped with upper magnetic steel in the lockhole on each, a described upper magnetic steel end polarity corresponding with lower magnetic steel arranges on the contrary, distance between described upper lockhole and the lower lockhole (a ') be 1.5～3.5mm, offer on described bonnet and contacted that end-face wall of lock tube and lock tube corresponding stretching into and the open hole that ejects for each upper magnetic steel of lockhole on each, be respectively equipped with on the described unlatching key position corresponding with each open hole of bonnet with upper lockhole in the opposite keying magnet steel of upper magnetic steel magnetic.
2. modified model safety valve Sealing mechanism according to claim 1 is characterized in that: and the distance between upper lockhole and the lower lockhole (a ') be 2mm.
3. modified model safety valve Sealing mechanism according to claim 1, it is characterized in that: described bonnet top is circular protrusions.
4. modified model safety valve Sealing mechanism according to claim 1, it is characterized in that: the top that described valve rod is positioned at valve gap also is provided with spacing jump ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220474050 CN202834344U (en) | 2012-09-17 | 2012-09-17 | Improved valve security encryption mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220474050 CN202834344U (en) | 2012-09-17 | 2012-09-17 | Improved valve security encryption mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202834344U true CN202834344U (en) | 2013-03-27 |
Family
ID=47946052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220474050 Expired - Fee Related CN202834344U (en) | 2012-09-17 | 2012-09-17 | Improved valve security encryption mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202834344U (en) |
-
2012
- 2012-09-17 CN CN 201220474050 patent/CN202834344U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20130327 Termination date: 20150917 |
|
| EXPY | Termination of patent right or utility model |