CN102840382B - Improved machine encryption mechanism - Google Patents
Improved machine encryption mechanism Download PDFInfo
- Publication number
- CN102840382B CN102840382B CN201210344419.XA CN201210344419A CN102840382B CN 102840382 B CN102840382 B CN 102840382B CN 201210344419 A CN201210344419 A CN 201210344419A CN 102840382 B CN102840382 B CN 102840382B
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- CN
- China
- Prior art keywords
- bonnet
- clutch cover
- valve
- polygonal
- valve rod
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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
Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 34
- 239000010959 steel Substances 0.000 claims abstract description 34
- 238000007789 sealing Methods 0.000 claims description 17
- 230000000694 effects Effects 0.000 claims description 12
- 239000011324 bead Substances 0.000 claims description 8
- 238000012856 packing Methods 0.000 claims description 5
- 238000012423 maintenance Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001846 repelling effect Effects 0.000 description 1
Landscapes
- Preventing Unauthorised Actuation Of Valves (AREA)
Abstract
The invention relates to a magnetic valve control part, and provides an improved mechanical encryption mechanism which has reasonable structure, capability of magnetic locking, high safety and long service life and which is not easy to damage due to malicious opening. The improved machine encryption mechanism is arranged on the upper part of a valve cover of a valve to control the opening and closing of a valve core, the improved machine encryption mechanism comprises an upper valve cover arranged on the valve cover, an opening key arranged on the upper valve cover in a movable manner and an on-off sleeve arranged on the free end of a valve rod; a hollow rotating shaft spacing device is arranged between the upper valve cover and the valve cover, and a return spring is sleeved between the on-off sleeve and the valve cover; a radial location device is arranged between the on-off sleeve and the upper valve cover, the inner side of the on-off sleeve is provided with a polygon through hole, and a polygon clamping side is arranged on the outer side of the valve rod positioned below the on-off sleeve; and locking holes are uniformly distributed on an end face wall, which is far away from the valve cover, of the on-off sleeve along the circumference direction, each locking hole is internally respectively provided with a lower magnetic steel, and the corresponding positions of the opening key and the locking holes are respectively provided with upper magnetic steels which are identical with the lower magnetic steels in each locking hole.
Description
Technical field
The present invention relates to the controlling component of Fluid valve, particularly a kind of improved mechanical Sealing mechanism.
Background technique
As Fig. 1, traditional magnetic 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 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 Sealing mechanism that restriction valve rod 5' rotates, described unlatching key 6' is provided with for removing the release mechanism of 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', 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 cipher 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 to encrypt 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 occur that in pipeline, magnetic is encrypted the phenomenon that valve is maliciously damaged, to magnetic, encrypting the maintenance work of valve makes troubles, shortened 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, improved mechanical Sealing mechanism easy to maintenance.
For solving this technical problem, the present invention takes following scheme: improved mechanical Sealing mechanism, its valve gap top of being located at valve is for limiting the rotation of valve rod with the opening and closing of control spool, it is characterized in that: described mechanical Sealing mechanism comprises bonnet, clutch cover and unlatching key, being located on bonnet of described unlatching key activity, between described unlatching key and bonnet, be provided with the linkage that can make bonnet rotate with unlatching key, the rotating valve gap top that is sheathed on valve of described bonnet, between described bonnet and valve gap, be provided with idle running axially stop block, described clutch cover is located on the free end of described valve rod in bonnet, the outside of described valve rod is arranged with Returnning spring between clutch cover and the valve gap of valve, between described clutch cover and bonnet, be provided with the radial positioning device that clutch cover is rotated with bonnet, the free end of described valve rod is circular pin, the inner side that described clutch cover matches with valve rod free end is polygonal through hole, the valve rod outside that is positioned at clutch cover below is provided with the polygonal edge corresponding with polygonal through hole inside clutch cover, described clutch cover is circumferentially evenly equipped with locking hole away from edge in that end-face wall of valve gap, in described each locking hole, be respectively equipped with lower magnetic steel, on the described unlatching key position corresponding with each locking hole of clutch cover, be respectively equipped with each locking hole in lower magnetic steel Magnetic Phase with upper magnetic steel, when opened lock key case is located at bonnet top, because upper magnetic steel is with identical with lower magnetic steel magnetic pole, under the effect of magnetic homopolar-repulsion, the pressure that clutch cover overcomes Returnning spring under the promotion of lower magnetic steel moves down, the polygonal through hole of clutch cover inner side is matched with the polygonal edge in valve rod outside, realizing linkage connects, thereby valve rod can be rotated with the rotation of clutch cover, realize the open and close of valve, when opening key, do not work while packing up, clutch cover return upwards under the effect of Returnning spring, make the polygonal edge of the polygonal through hole disengaging valve rod of clutch cover, now the polygonal through hole of clutch cover matches with the circular pin of valve rod, make clutch cover can on the free-ended circular pin of valve rod, do with the rotation of bonnet idle running action.
Further improved: described idle running axially stop block comprises a plurality of positioning beads, that face that described bonnet matches with valve gap offers annular groove, on the described valve gap periphery wall corresponding with annular groove along being circumferentially evenly equipped with positioning hole, in described each positioning hole, spring is housed respectively, described each positioning bead resists between positioning hole and annular groove by spring respectively.
Further improved: described positioning hole and positioning bead are respectively two.
Further improved: described radial positioning device is that the bonnet inner side corresponding with clutch cover is made as to polygonal endoporus, and the outside of described clutch cover is provided with the polygonal buckle corresponding with polygonal endoporus inside bonnet.
Further improved: described linkage is to be provided with square projection on the top of bonnet, and that face matching with bonnet at described unlatching key has the square slotted eye matching with the square projection in bonnet top.
Further improved: described radial positioning device is to be circumferentially evenly equipped with on the edge, inner side corresponding with clutch cover of described bonnet the raised line that a plurality of extend vertically, the position corresponding with each raised line of bonnet inner side, described clutch cover outside offers the groove matching with each raised line of bonnet inner side.
By adopting aforementioned techniques scheme, the invention has the beneficial effects as follows: while needing Open valve, the opened lock key case of carrying is located to bonnet top, identical because opening upper magnetic steel in the key lower magnetic steel magnetic pole on facing the wall and meditating with clutch cover upper end, under the effect of magnetic homopolar-repulsion, the pressure that clutch cover overcomes Returnning spring under the promotion of lower magnetic steel moves down, the polygonal through hole of clutch cover inner side is matched with the polygonal edge in valve rod outside, realizing linkage connects, thereby valve rod can be rotated with the rotation of clutch cover, realize the open and close of valve, when opening key, do not work while packing up, clutch cover return upwards under the effect of Returnning spring, make the polygonal edge of the polygonal through hole disengaging valve rod of clutch cover, now the polygonal through hole of clutch cover matches with the circular pin of valve rod, make clutch cover can on the free-ended circular pin of valve rod, do with the rotation of bonnet idle running action, 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 embodiment of the present invention structural representation.
Fig. 3 is the A-A sectional structure chart of Fig. 2.
The structural representation of Fig. 4 embodiment of the present invention valve rod.
Fig. 5 is the plan view of embodiment of the present invention valve rod.
Fig. 6 is the sectional view of embodiment of the present invention clutch cover.
Fig. 7 is the plan view of embodiment of the present invention clutch cover.
Fig. 8 is the sectional view of embodiment of the present invention bonnet.
Fig. 9 is the B-B sectional view of Fig. 8.
Figure 10 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.
With reference to figure 2 and Fig. 9, the embodiment of the present invention discloses a kind of improved mechanical Sealing mechanism, its valve gap 1 top of being located at valve is for limiting the rotation of valve rod 2 with the opening and closing of control spool, described mechanical Sealing mechanism comprises bonnet 3, clutch cover 4 and unlatching key 5, being located on bonnet 3 of described unlatching key 5 activities, between described unlatching key 5 and bonnet 3, be provided with the linkage that can make bonnet 3 rotate with unlatching key 5, described linkage is on the top of bonnet 3, to be provided with square protruding 31, that face matching with bonnet 3 at described unlatching key 5 has the square slotted eye 51 matching with bonnet 3 tops square protruding 31, rotating valve gap 1 top that is sheathed on valve of described bonnet 3, between described bonnet 3 and valve gap 1, be provided with idle running axially stop block, described clutch cover 4 is located on the free end of the interior described valve rod 2 of bonnet 3, the outside of described valve rod 2 is arranged with Returnning spring 6 between the valve gap 1 of clutch cover 4 and valve, between described clutch cover 4 and bonnet 3, be provided with the radial positioning device that clutch cover 4 is rotated with bonnet 3, described radial positioning device is that bonnet 3 inner side corresponding with clutch cover 4 is made as to polygonal endoporus 32, the outside of described clutch cover 4 is provided with the polygonal buckle 41 corresponding with bonnet 3 inner side polygonal endoporus 32, the free end of described valve rod 2 is circular pin 21, the inner side that described clutch cover 4 matches with valve rod 2 free ends is polygonal through hole 42, valve rod 2 outsides that are positioned at clutch cover 4 belows are provided with the polygonal edge 22 corresponding with clutch cover 4 inner side polygonal through holes 42, described clutch cover 4 is circumferentially evenly equipped with 3 locking holes 43 away from edge in that end-face wall of valve gap 1, change to state and in each locking hole 43, be respectively equipped with lower magnetic steel 7, on described unlatching key 5 position corresponding with clutch cover 4 each locking holes 43, be respectively equipped with and interior lower magnetic steel 7 Magnetic Phases in each locking hole 43 with upper magnetic steel 52.
Described idle running axially stop block comprises two positioning beads 8, that face that described bonnet 3 matches with valve gap 1 offers annular groove 33, on the described valve gap 1 periphery wall corresponding with annular groove 33 along being circumferentially evenly equipped with two positioning holes 11, the interior spring 9 that is equipped with respectively of described each positioning hole 11, described each positioning bead 8 resists between positioning hole 11 and annular groove 33 by spring 9 respectively.
As Figure 10, for the embodiment of the present invention is arranged on the structural representation on valve, while needing Open valve, the unlatching key 5 of carrying is sheathed on to bonnet 3 tops, identical because opening upper magnetic steel 52 in key 5 lower magnetic steel 7 magnetic poles on facing the wall and meditating with clutch cover 4 upper ends, under the effect of magnetic homopolar-repulsion, the pressure that clutch cover 4 overcomes Returnning spring 6 under the promotion of lower magnetic steel 7 moves down, the polygonal through hole 42 of clutch cover 4 inner sides is matched with the polygonal edge 22 in valve rod 2 outsides, realizing linkage connects, thereby valve rod 2 can be rotated with the rotation of clutch cover 4, realize the open and close of valve A ', when opening key 5, do not work while packing up, clutch cover 4 return upwards under the effect of Returnning spring 6, make the polygonal edge 22 of the polygonal through hole 42 disengaging valve rods 2 of clutch cover 4, now the polygonal through hole 42 of clutch cover 4 matches with the circular pin of valve rod 2, make clutch cover 4 can on the free-ended circular pin of valve rod, do with the rotation of bonnet idle running action, 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 radial positioning device described in the aforementioned techniques scheme embodiment of the present invention, can be to be also circumferentially evenly equipped with on the edge, inner side corresponding with clutch cover of described bonnet the raised line that a plurality of extend vertically, the position corresponding with each raised line of bonnet inner side, described clutch cover outside offers the groove matching with each raised line of bonnet inner side, can realize object of the present invention equally.
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 (6)
1. improved mechanical Sealing mechanism, its valve gap top of being located at valve is for limiting the rotation of valve rod with the opening and closing of control spool, it is characterized in that: described mechanical Sealing mechanism comprises bonnet, clutch cover and unlatching key, being located on bonnet of described unlatching key activity, between described unlatching key and bonnet, be provided with the linkage that can make bonnet rotate with unlatching key, the rotating valve gap top that is sheathed on valve of described bonnet, between described bonnet and valve gap, be provided with idle running axially stop block, described clutch cover is located on the free end of described valve rod in bonnet, the outside of described valve rod is arranged with Returnning spring between clutch cover and the valve gap of valve, between described clutch cover and bonnet, be provided with the radial positioning device that clutch cover is rotated with bonnet, the free end of described valve rod is circular pin, the inner side that described clutch cover matches with valve rod free end is polygonal through hole, the valve rod outside that is positioned at clutch cover below is provided with the polygonal edge corresponding with polygonal through hole inside clutch cover, described clutch cover is circumferentially evenly equipped with locking hole away from edge in that end-face wall of valve gap, in described each locking hole, be respectively equipped with lower magnetic steel, on the described unlatching key position corresponding with each locking hole of clutch cover, be respectively equipped with each locking hole in lower magnetic steel Magnetic Phase with upper magnetic steel, when opened lock key case is located at bonnet top, because upper magnetic steel is identical with lower magnetic steel magnetic pole, under the effect of magnetic homopolar-repulsion, the pressure that clutch cover overcomes Returnning spring under the promotion of lower magnetic steel moves down, the polygonal through hole of clutch cover inner side is matched with the polygonal edge in valve rod outside, realizing linkage connects, thereby valve rod can be rotated with the rotation of clutch cover, realize the open and close of valve, when opening key, do not work while packing up, clutch cover return upwards under the effect of Returnning spring, make the polygonal edge of the polygonal through hole disengaging valve rod of clutch cover, now the polygonal through hole of clutch cover matches with the circular pin of valve rod, make clutch cover can on the free-ended circular pin of valve rod, do with the rotation of bonnet idle running action.
2. improved mechanical Sealing mechanism according to claim 1, it is characterized in that: described idle running axially stop block comprises a plurality of positioning beads, that face that described bonnet matches with valve gap offers annular groove, on the described valve gap periphery wall corresponding with annular groove along being circumferentially evenly equipped with positioning hole, in described each positioning hole, spring is housed respectively, described each positioning bead resists between positioning hole and annular groove by spring respectively.
3. improved mechanical Sealing mechanism according to claim 2, is characterized in that: described positioning hole and positioning bead are respectively two.
4. according to the improved mechanical Sealing mechanism described in claim 1 or 2 or 3, it is characterized in that: described radial positioning device is that the bonnet inner side corresponding with clutch cover is made as to polygonal endoporus, the outside of described clutch cover is provided with the polygonal buckle corresponding with polygonal endoporus inside bonnet.
5. improved mechanical Sealing mechanism according to claim 1, it is characterized in that: described linkage is to be provided with square projection on the top of bonnet, that face matching with bonnet at described unlatching key has the square slotted eye matching with the square projection in bonnet top.
6. according to the improved mechanical Sealing mechanism described in claim 1 or 2 or 3, it is characterized in that: described radial positioning device is to be circumferentially evenly equipped with on the edge, inner side corresponding with clutch cover of described bonnet the raised line that a plurality of extend vertically, the position corresponding with each raised line of bonnet inner side, described clutch cover outside offers the groove matching with each raised line of bonnet inner side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210344419.XA CN102840382B (en) | 2012-09-17 | 2012-09-17 | Improved machine encryption mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210344419.XA CN102840382B (en) | 2012-09-17 | 2012-09-17 | Improved machine encryption mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102840382A CN102840382A (en) | 2012-12-26 |
| CN102840382B true CN102840382B (en) | 2014-08-13 |
Family
ID=47368006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210344419.XA Expired - Fee Related CN102840382B (en) | 2012-09-17 | 2012-09-17 | Improved machine encryption mechanism |
Country Status (1)
| Country | Link |
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| CN (1) | CN102840382B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103195800B (en) * | 2013-04-15 | 2015-06-03 | 宁波三泰轴承有限公司 | Positioning ball bearing |
| CN103791148A (en) * | 2014-01-26 | 2014-05-14 | 郑州市兆龙阀门有限公司 | Dual-thievery-prevention sluice valve |
| CN104089039B (en) * | 2014-07-25 | 2016-08-24 | 福建省海洋阀门科技有限公司 | Improved anti-theft valve |
| CN113932035A (en) * | 2021-10-16 | 2022-01-14 | 东宝阀门有限公司 | Digital password locking ball valve |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1876339A1 (en) * | 2006-07-07 | 2008-01-09 | MAGNETI MARELLI POWERTRAIN S.p.A. | Acquisition system for detecting the angular position of a gas twist grip in a motorcycle |
| CN102011873A (en) * | 2009-09-07 | 2011-04-13 | 宁波杰克龙阀门有限公司 | Anti-theft magnetic locking-type valve |
| CN201836522U (en) * | 2010-07-06 | 2011-05-18 | 武汉大禹阀门制造有限公司 | Non-magnetic valve antitheft device |
| CN202252301U (en) * | 2011-08-30 | 2012-05-30 | 福建海洋铜业有限公司 | Magnetic lock type gate valve |
| CN202834343U (en) * | 2012-09-17 | 2013-03-27 | 福建海洋铜业有限公司 | Improved machine encryption mechanism |
-
2012
- 2012-09-17 CN CN201210344419.XA patent/CN102840382B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1876339A1 (en) * | 2006-07-07 | 2008-01-09 | MAGNETI MARELLI POWERTRAIN S.p.A. | Acquisition system for detecting the angular position of a gas twist grip in a motorcycle |
| CN102011873A (en) * | 2009-09-07 | 2011-04-13 | 宁波杰克龙阀门有限公司 | Anti-theft magnetic locking-type valve |
| CN201836522U (en) * | 2010-07-06 | 2011-05-18 | 武汉大禹阀门制造有限公司 | Non-magnetic valve antitheft device |
| CN202252301U (en) * | 2011-08-30 | 2012-05-30 | 福建海洋铜业有限公司 | Magnetic lock type gate valve |
| CN202834343U (en) * | 2012-09-17 | 2013-03-27 | 福建海洋铜业有限公司 | Improved machine encryption mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102840382A (en) | 2012-12-26 |
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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 | ||
| C53 | Correction of patent for invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 362000 Nanan City, Fujian Province, the success of science and Technology Industrial Park, Quanzhou Applicant after: FUJIAN HAIYANG VALVE TECHNOLOGY CO., LTD. Address before: 362000 Nanan City, Fujian Province, the success of science and Technology Industrial Park, Quanzhou Applicant before: Fujian Ocean Copper Co., Ltd. |
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| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: FUJIAN HAIYANG COPPER CO., LTD. TO: FUJIAN MARINE VALVE TECHNOLOGY CO., LTD. |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Chen Shiwei Inventor after: Zheng Kaisheng Inventor after: Chen Jianhua Inventor after: Chen Runfu Inventor after: Chen Siliang Inventor after: Zheng Shengfeng Inventor before: Chen Jianhua Inventor before: Chen Shiwei Inventor before: Chen Runfu Inventor before: Chen Siliang Inventor before: Zheng Shengfeng Inventor before: Zheng Kaisheng |
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| COR | Change of bibliographic data | ||
| 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: 20140813 Termination date: 20180917 |