CN203730907U - Magnetic valve lock - Google Patents
Magnetic valve lock Download PDFInfo
- Publication number
- CN203730907U CN203730907U CN201420064227.8U CN201420064227U CN203730907U CN 203730907 U CN203730907 U CN 203730907U CN 201420064227 U CN201420064227 U CN 201420064227U CN 203730907 U CN203730907 U CN 203730907U
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- Prior art keywords
- lock
- groove
- locking
- lock core
- lock housing
- Prior art date
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- Expired - Lifetime
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- 230000000452 restraining effect Effects 0.000 claims description 22
- 230000033001 locomotion Effects 0.000 claims description 15
- 238000009826 distribution Methods 0.000 claims description 10
- 238000009827 uniform distribution Methods 0.000 claims description 9
- 210000003205 muscle Anatomy 0.000 claims description 7
- 230000003028 elevating effect Effects 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000001846 repelling effect Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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- Mechanically-Actuated Valves (AREA)
Abstract
The utility model discloses a magnetic valve lock and belongs to magnetic locking mechanisms of pipe valves. The magnetic valve lock aims at enabling a free end of a valve rod to be arranged in a valve body or a valve cover through the magnetic lock in a hidden mode so as to prevent the free end of the valve rod from being freely opened and closed manually and avoid medium theft and resource loss in a pipe. The magnetic valve lock is mainly formed by a lock casing, a lock cylinder, a key and the like, parts such as a lock ball, a locking spring, a locking magnetic block and an opening spring are added between the lock casing and the valve cover and between the lock cylinder and the lock casing, and accordingly the locking of the magnetic lock is formed and the magnetic lock can be rapidly unlocked through the key. The improved magnetic valve lock has the advantages of being reliable in structure, good in locking performance, high in safety, simple in operation, convenient to maintain and the like.
Description
Technical field
The utility model relates to a kind of for preventing the stolen valve structure of medium in pipeline, refers in particular to magnetic valve lock.
Background technique
For the requirement of safety valve aspect, always be for a long time, the primary study object of valve manufacturer, object is by variety of way, the valve rod free end exposing to be hidden in valve gap or valve body by various valves, thereby prevent that valve rod free end from arbitrarily being opened and closed by artificial, avoids causing the medium in pipeline to usurp and resource loss.Disclosed China Patent No. is " the hermetically sealed magnetic valve " that 201320405020.8 " multifunction magnetic valve " and disclosed China Patent No. are 201320415900.3, and these two kinds of structures are all to utilize magnetic principles to carry out the locking closure of valve opening and closing.But, this class valve locking closure using at present, its structural design is too simple, mostly lacks necessary protective measure, easily suffers artificial destruction, and anti-theft effect is poor, has also increased the management maintenance cost of public arena and residential property.Therefore,, for the existing defect of existing valve structure and deficiency, good, safe, easy to maintenance valve locking closure is necessary undoubtedly to develop a kind of locking performance.
Summary of the invention
Technical problem to be solved in the utility model is to overcome the defect of prior art and a kind of reliable in structure, magnetic valve lock that locking performance is good, safe, simple to operation, easy to maintenance is provided.
Technical problem of the present utility model is achieved through the following technical solutions:
A kind of magnetic valve lock, comprise that lock housing and lifting in the mounting hole that is movably arranged on valve gap top are arranged on the lock core in lock housing, between this lock core and lock housing, be provided with the unlatching spring that pushing tow lock core moves upward, described lock housing outer surface is provided with the lockhole of a plurality of circle distribution, is equipped with the movable lock ball of installing in each lockhole; Lock housing contact is stretched out on the inwall of mounting hole in described lock ball outer end, is also provided with the locking annular groove of doing equipped locking with described lock ball outer end on the inwall of this mounting hole; In described lock ball, end in contact is on outer wall of lock core, is also provided with lock ball described in pushing tow and does the locking of outwards motion and take on outward on the outer wall of this lock core; Described lock-shell lining is provided with the lock housing groove of a plurality of circle distribution, corresponding outer wall of lock core be provided with a plurality of circle distribution and with described lock housing groove lock core groove one to one, in each lock core groove, be equipped with locking magnetic patch, the exterior edge face of each locking magnetic patch is all stretched in the lock housing groove of lock-shell lining, is equipped with the inwardly locking spring of motion of pushing tow locking magnetic patch in each lock housing groove; Described lock core top is provided with open hole, is provided with the directed key of installing in this open hole, is provided with the locking magnetic patch unlatching magnetic patch that corresponding and magnetic is repelled each other one by one in a plurality of and described lock core groove in key.
Between described lock-shell lining and outer wall of lock core, be provided with the limit assembly of Limit lock core elevating movement, this limit assembly comprise a plurality of circle distribution be arranged on restraining groove on lock-shell lining and a plurality of circle distribution be arranged on outer wall of lock core and with described restraining groove mounting groove one to one, each described restraining groove is all along on lock-shell lining, the elongated slot structure that lower direction is extended, in each restraining groove, be equipped with, the lower movable block of installing, the interior edge face of each block all stretches in the mounting groove of outer wall of lock core, in each mounting groove, be equipped with the outwards limit spring of motion of pushing tow block.
Described restraining groove and corresponding mounting groove are circumference uniform distribution two.
Described lock housing outer surface is provided with the lockhole of four circumference uniform distributions, and each lockhole is all interior large outer little taper holes, is equipped with the movable lock ball of installing in each lockhole.
The outer shoulder of described locking is one and is arranged on outer wall of lock core and is 45 ° of downward-sloping circular outer shoulder structures, and it is two up big and down small cylndrical surface that the outer shoulder of described locking is separated into outside dimension by outer wall of lock core.
Described lock housing groove and corresponding lock core groove are circumference uniform distribution two.
The directed mounting structure of described key in open hole is between key outer wall and open hole inwall, to be respectively equipped with directed equipped directed muscle and guide slot, and directed equipped curve bath and arched ribs.
Described open hole is shoulder hole, the multidiameter shaft that corresponding key is equipped shoulder hole, the upper inside wall of described shoulder hole is provided with arched ribs, and lower inner wall is provided with guide slot, the external wall of upper portion of described multidiameter shaft is provided with curve bath, and bottom outer wall is provided with directed muscle.
Between described lock housing outer wall and the mounting hole inwall at valve gap top, be respectively equipped with spacing outer shoulder and spacing interior shoulder that restriction lock housing moves downward, on described mounting hole inwall, be also provided with lock housing underpart and be equipped with in also spacing gear and take on.
Described lock core bottom surface is provided with spring eye, and described unlatching spring is arranged in spring eye, and this lower end pushing tow of opening spring is on the inner bottom surface of lock housing.
Compared with prior art, the utility model mainly between the mounting hole inwall by lock housing and valve gap, the structure such as shoulder in set lockhole, lock ball, locking annular groove and locking between lock housing and lock core, and the structure such as set locking magnetic patch and locking spring between lock housing and lock core, thereby realized the installation locking of whole magnetic valve lock in valve gap mounting hole, therefore can preferably valve rod free end be hidden and is arranged in valve gap, also be difficult for destroyedly, avoid causing the medium in pipeline to usurp and resource loss.Simultaneously, when the open hole of key insertion lock core is opened, by set, the unlatching magnetic patch that repels each other with locking magnetic patch magnetic on the key, can be successively by lock core from taking out in lock housing, lock housing takes out in mounting hole, so that valve rod free end exposes and normally use, the magnetic valve lock after improvement also has the advantages such as reliable in structure, locking performance be good, safe, simple to operation, easy to maintenance.
Accompanying drawing explanation
Fig. 1 is sectional structure schematic diagram of the present utility model.
Fig. 2 is A-A sectional view of Fig. 1.
Fig. 3 is B-B sectional view of Fig. 1.
Fig. 4 is C-C sectional view of Fig. 1.
Fig. 5 is D-D sectional view of Fig. 1.
Fig. 6 is the sectional structure schematic diagram of valve rod free end in valve gap.
Fig. 7 is the sectional structure enlarged view of lock housing.
Fig. 8 is the sectional structure schematic diagram of key.
Fig. 9 is E-E cutaway view Amplified image of Fig. 8.
Figure 10 is F-F cutaway view Amplified image of Fig. 8.
Figure 11 is the sectional structure enlarged view of lock core.
Figure 12 is G-G sectional view of Figure 11.
Figure 13 is H-H sectional view of Figure 11.
Embodiment
To the utility model embodiment, elaborate again by above-mentioned accompanying drawing below.
As shown in Fig. 1 ~ Figure 13,1. valve rod free end, 2. shoulder in valve gap, 21. locking annular grooves, 22. mounting holes, 23. spacing interior shoulders, 24. gears, 3. lock ball, 4. lock housing, 41. spacing outer shoulders, 42. lock housing grooves, 43. restraining grooves, 44. lockholes, 5. locking spring, 6. key, 61. curve baths, 62. directed muscle, 7. open magnetic patch, 8. locking magnetic patch, 9. lock core, 91. spring eyes, 92. mounting grooves, 93. lock core grooves, 94. open holes, 95. arched ribs, 96. guide slots, the outer shoulder of 97. locking, 10. limit spring, 11. blocks, 12. are opened springs.
Magnetic valve lock, as shown in Figure 1, it belongs to a kind of pipeline valve magnetic lockable mechanism, conventionally be arranged in the default mounting hole of valve top part 22, and valve rod free end 1 is hidden in valve body or valve gap 2, thereby prevent that valve rod free end 1 from arbitrarily being opened and closed by artificial, avoids causing the medium in pipeline to usurp and resource loss.
Described magnetic valve lock is mainly comprised of lock housing 4, lock core 9 and the key 6 opened etc., and this lock housing 4 is movably arranged in the mounting hole 22 at valve gap 2 tops, and lock core 9 lifting is arranged in lock housing 4.
Described lock housing 4 as shown in Figure 7, it is the shell-like structure that open top, bottom lock, a cross section are " U " type, the movable mounting structure of this lock housing 4 in the mounting hole 22 at valve gap 2 tops, be that lock housing 4 can upwards be taken out in the mounting hole 22 at valve gap top, thereby expose the valve rod free end 1 in valve gap 2; Described lock housing 4 middle part outer walls are provided with a spacing outer shoulder 41, the corresponding spacing interior shoulder 23 being equipped with this spacing outer shoulder that is provided with on mounting hole 22 inwalls, also on mounting hole 22 inwalls, be provided with lock housing 4 underparts simultaneously and be equipped with in also spacing gear and take on 24, by spacing outer shoulder 41 and spacing interior shoulder 23 coordinate and lock housing 4 underparts with in gear, take on 24 coordinate, just can play that restriction lock housing 4 moves downward and in the spacing effect in the interior position of mounting hole 22.
Described lock housing 4 lower external face are provided with four lockholes 44 of circumference uniform distribution as shown in Figure 5, each lockhole is all interior large outer little taper holes, form from inside to outside tapering, in each lockhole 44, be equipped with the movable lock ball 3 of installing, when lock ball be arranged on lockhole 44 interior after, due to the restriction of taper hole, cannot depart from from outside, can only pack into or take out from lock housing 4 inside.
Described lock ball 3 outer ends can be stretched out lock housing 4 and contact on the inwall of mounting hole 22 through lockhole 44, on the inwall of this mounting hole, be also provided with lock ball 3 outer ends and make the equipped locking annular groove 21 that coincide, thereby make lock housing 4 to lock and to be connected in mounting hole 22 by lock ball 3, locking annular groove 21; The described interior end in contact of lock ball 3 is on lock core 9 outer walls, on the outer wall of this lock core, be also provided with pushing tow lock ball 3 and make the outer shoulder 97 of locking of outwards motion, the outer shoulder of this locking is one and is arranged on lock core 9 outer walls and is 45 ° of downward-sloping circular outer shoulder structures, and by locking outer shoulder 97, lock core 9 outer walls can be separated into outside dimension be two up big and down small cylndrical surface.
When the interior end in contact of lock ball 3 is on the great circle cylinder of lock core 9 outer walls, lock ball 3 outer ends are just entered in locking annular groove 21 by pushing tow, now the relative mounting hole 22 of lock housing 4 is lock state, and lock housing 4 cannot be from the interior taking-up of mounting hole 22, and valve rod free end 1 is hidden in valve gap 2; When the interior end in contact of lock ball 3 is on the small cylindrical surface of lock core 9 outer walls, lock ball 3 outer ends can be from the interior disengaging of locking annular groove 21, and now the relative mounting hole 22 of lock housing 4 is open mode, and lock housing 4 can be from the interior taking-up of mounting hole 22, and valve rod free end 1 exposes.
Between described lock housing 4 and lock core 9, be respectively equipped with as shown in Figure 2, Figure 4 shows position lock housing groove 42 and lock core groove 93 and restraining groove 43 and mounting groove 92 one to one.
Described lock housing groove 42 and corresponding lock core groove 93 are circumference uniform distribution two, this lock housing groove 42 is arranged on lock housing 4 inwalls, lock core groove 93 is arranged on lock core 9 outer walls; In each described lock core groove 93, be equipped with rectangular-shaped locking magnetic patch 8, the thickness of each locking magnetic patch is all greater than the degree of depth of lock core groove 93, therefore the exterior edge face of each locking magnetic patch 8 all can be stretched in the lock housing groove 42 of lock housing 4 inwalls, in each lock housing groove, be equipped with pushing tow on the exterior edge face of locking magnetic patch 8 and make the inwardly locking spring 5 of motion of locking magnetic patch.Therefore, be subject to the elastic force pushing tow of locking spring 5 can make locking magnetic patch 8 just in time between lock housing groove 42 and lock core groove 93, thereby play, prevent that lock core 9 is from the effect of lock housing 4 interior disengagings.
Described restraining groove 43 and corresponding mounting groove 92 are also two of circumference uniform distribution, and this restraining groove 43 is arranged on lock housing 4 inwalls, and mounting groove 92 is arranged on lock core 9 outer walls; Each described restraining groove 43 is all along lock housing 4 inwall upper and lowers to the elongated slot structure of extending, in each restraining groove 43, be equipped with rectangular-shaped block 11, the thickness of each block is all greater than the degree of depth of restraining groove 43, therefore the interior edge face of each block 11 all can stretch in the mounting groove 92 of lock core 9 outer walls, in each mounting groove, be equipped with pushing tow on the interior edge face of block and make the outwards limit spring 10 of motion of block 11.Therefore, be subject to the elastic force pushing tow of limit spring can make block 11 just in time between restraining groove 43 and mounting groove 92, block 11 can only be in the interior upper and lower motion of making certain distance of restraining groove 43, therefore restraining groove 43, block 11, limit spring 10 and mounting groove 92 have formed the limit assembly that the relative lock housing 4 of lock core 9 is made elevating movement stroke limit jointly, have also limited lock core 9 and rotate relative to the mutual of lock housing 4.
Described lock core 9 tops are provided with open hole 94 as shown in figure 11, are provided with the directed key 6 of installing in this open hole, between open hole 94 and key 6, adopt step structure, and open hole 94 is shoulder hole, and mutually equipped key 6 is multidiameter shaft; The directed mounting structure of described key 6 in open hole 94 is the arched ribs 95 being provided with in the upper inside wall of shoulder hole as shown in figure 12, lower inner wall is provided with guide slot 96 as shown in figure 13, and the external wall of upper portion of multidiameter shaft is provided with curve bath 61 as shown in Figure 9, bottom outer wall is provided with directed muscle 62 as shown in figure 10, after leading by arched ribs 95 and curve bath 61, guide slot 96 and directed muscle 62, the orientation that can realize between open hole 94 and key 6 is equipped.Simultaneously, in key 6, be also embedded with two and distinguish corresponding unlatching magnetic patch 7 with two locking magnetic patch, 8 positions on lock core 9, the magnetic of this unlatching magnetic patch and locking magnetic patch is repelled each other, therefore when opening magnetic patch 7 and locking magnetic patch 8 positions when relative, just can outwards move by the magnetic force pushing tow locking magnetic patch 8 repelling each other.
Described lock core 9 bottoms are provided with spring eye 91, in this spring eye, be provided with and open spring 12, and open the direct pushing tow in lower end of spring on the inner bottom surface of lock housing 4, thereby make the relative lock housing 4 of lock core 9 possess all the time the pre-thrust moving upward, with the lock core 9 after being easy to open, can automatically pop up.
The utility model is open mode under normal conditions, and the namely direct interior taking-up of mounting hole 22 from valve gap 2 of magnetic lock energy also exposes valve rod free end 1.Now, open the relative lock housing 4 of spring 12 pushing tow lock core 9 and be positioned at highest point, the top that is subject to the block 11 of limit spring 10 pushing tows also to move to restraining groove 43 is carried out spacing, on the small cylindrical surface of the interior end in contact of lock ball 3 shoulder 97 bottoms outside locking, lock ball 3 outer ends can be freely from the interior disengaging of locking annular groove 21, and lock housing groove 42 does not have in opposite position with lock core groove 93, this makes to be subject to the locking magnetic patch 8 of locking spring 5 pushing tows to be compressed in lock housing groove 42.
When needs are installed magnetic lock to be locked in mounting hole 22, only need press down lock core 9 motions until the below that is subject to the block 11 of limit spring 10 pushing tows to move to restraining groove 43 is carried out spacing, the outwards motion of the outer shoulder inner do of 97 pushing tow lock balls 3 of now locking, after the inner great circle cylinder with takeing on 97 tops outside locking of lock ball contacts, just can make equipped being locked in lock ball 3 outer ends lock in annular groove 21, realize the installation locking of lock housing 4 relative mounting holes 22, and lock housing groove 42 also enters corresponding with lock core groove 93 positions, be subject to the locking magnetic patch 8 of locking spring 5 pushing tows just can enter in lock core groove 93, realize the installation locking of lock core 9 relative lock housings 4, whole magnetic lock just can be stablized, be arranged on reliably in mounting hole 22 and cannot take out, and valve rod free end 1 is hidden and is arranged in valve gap 2.
When needs are opened during magnetic lock, only need be by the open hole 94 of the directed insertion lock core 9 of key 6, and make the unlatching magnetic patch 7 on key 6 corresponding with locking magnetic patch 8 positions in lock core groove 93, magnetic just can depart from lock core groove 93 by pushing tow locking magnetic patch 8 after repelling each other, under the elastic force effect of opening spring 12, just can the relative lock housing 4 of pushing lock cylinder 9 move upward, and lock ball 3 the inners also just can contact with the small cylindrical surface of the outer shoulder of locking 97 bottoms again, lock ball 3 outer ends can be from the interior disengaging of locking annular groove 21, lock housing 4 just can, from the interior taking-up of mounting hole 22, reach the purpose of opening of magnetic lock.
Claims (10)
1. a magnetic valve lock, comprise that lock housing (4) and lifting in the mounting hole (22) that is movably arranged on valve gap (2) top are arranged on the lock core (9) in lock housing, between this lock core and lock housing (4), be provided with the unlatching spring (12) that pushing tow lock core (9) moves upward, it is characterized in that:
A, described lock housing (4) outer surface are provided with the lockhole (44) of a plurality of circle distribution, are equipped with the movable lock ball (3) of installing in each lockhole; Lock housing (4) contact is stretched out on the inwall of mounting hole (22) in described lock ball outer end, is also provided with the locking annular groove (21) of doing equipped locking with described lock ball (3) outer end on the inwall of this mounting hole; The interior end in contact of described lock ball (3), on lock core (9) outer wall, is also provided with lock ball (3) described in pushing tow and does the locking of outwards motion and take on (97) outward on the outer wall of this lock core;
B, described lock housing (4) inwall are provided with the lock housing groove (42) of a plurality of circle distribution, corresponding lock core (9) outer wall be provided with a plurality of circle distribution and with described lock housing groove (42) lock core groove (93) one to one, in each lock core groove (93), be equipped with locking magnetic patch (8), the exterior edge face of each locking magnetic patch is all stretched in the lock housing groove (42) of lock housing (4) inwall, is equipped with the inwardly locking spring (5) of motion of pushing tow locking magnetic patch (8) in each lock housing groove;
C, described lock core (9) top are provided with open hole (94), are provided with the directed key (6) of installing in this open hole, are provided with locking magnetic patch (8) the unlatching magnetic patch (7) that corresponding and magnetic is repelled each other one by one in a plurality of and described lock core groove (93) in key.
2. magnetic valve lock according to claim 1, it is characterized in that being provided with between described lock housing (4) inwall and lock core (9) outer wall the limit assembly of Limit lock core elevating movement, this limit assembly comprise a plurality of circle distribution be arranged on restraining groove (43) on lock housing (4) inwall and a plurality of circle distribution be arranged on lock core (9) outer wall and with described restraining groove (43) mounting groove (92) one to one, described each restraining groove (43) is all along on lock housing (4) inwall, the elongated slot structure that lower direction is extended, each restraining groove is equipped with in (43), the lower movable block (11) of installing, the interior edge face of each block all stretches in the mounting groove (92) of lock core (9) outer wall, in each mounting groove, be equipped with the outwards limit spring (10) of motion of pushing tow block (11).
3. magnetic valve lock according to claim 2, two of it is characterized in that described restraining groove (43) and corresponding mounting groove (92) they are circumference uniform distribution.
4. magnetic valve lock according to claim 1, it is characterized in that described lock housing (4) outer surface is provided with the lockhole (44) of four circumference uniform distributions, each lockhole is all interior large outer little taper holes, is equipped with the movable lock ball (3) of installing in each lockhole (44).
5. magnetic valve lock according to claim 1, it is characterized in that described locking takes on (97) outward and be one and be arranged on lock core (9) outer wall and be 45 ° of downward-sloping circular outer shoulder structures, (97) are takeed in described locking outward, and lock core (9) outer wall is separated into outside dimension is two up big and down small cylndrical surface.
6. magnetic valve lock according to claim 1, two of it is characterized in that described lock housing groove (42) and corresponding lock core groove (93) they are circumference uniform distribution.
7. magnetic valve lock according to claim 1, it is characterized in that the directed mounting structure of described key (6) in open hole (94) is between key (6) outer wall and open hole (94) inwall, to be respectively equipped with directed equipped directed muscle (62) and guide slot (96), and directed equipped curve bath (61) and arched ribs (95).
8. magnetic valve lock according to claim 7, it is characterized in that described open hole (94) is shoulder hole, the multidiameter shaft that corresponding key (6) is equipped shoulder hole, the upper inside wall of described shoulder hole is provided with arched ribs (95), lower inner wall is provided with guide slot (96), the external wall of upper portion of described multidiameter shaft is provided with curve bath (61), and bottom outer wall is provided with directed muscle (62).
9. magnetic valve lock according to claim 1, it is characterized in that being respectively equipped with spacing outer shoulder (41) and the spacing interior shoulder (23) that restriction lock housing (4) moves downward between described lock housing (4) outer wall and mounting hole (22) inwall at valve gap (2) top, on described mounting hole (22) inwall, be also provided with the gear interior shoulder (24) equipped and spacing with lock housing (4) underpart.
10. according to the magnetic valve lock described in claim 1 ~ 9 any one, it is characterized in that described lock core (9) bottom surface is provided with spring eye (91), described unlatching spring (12) is arranged in spring eye (91), and this lower end pushing tow of opening spring (12) is on the inner bottom surface of lock housing (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420064227.8U CN203730907U (en) | 2014-02-13 | 2014-02-13 | Magnetic valve lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420064227.8U CN203730907U (en) | 2014-02-13 | 2014-02-13 | Magnetic valve lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203730907U true CN203730907U (en) | 2014-07-23 |
Family
ID=51200982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420064227.8U Expired - Lifetime CN203730907U (en) | 2014-02-13 | 2014-02-13 | Magnetic valve lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203730907U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104810192A (en) * | 2015-05-08 | 2015-07-29 | 苏州奥然日用品有限公司 | Vacuum circuit breaker closing lock device |
| CN108716320A (en) * | 2018-08-08 | 2018-10-30 | 珠海优特电力科技股份有限公司 | Anti-error lock core and solution lock key |
-
2014
- 2014-02-13 CN CN201420064227.8U patent/CN203730907U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104810192A (en) * | 2015-05-08 | 2015-07-29 | 苏州奥然日用品有限公司 | Vacuum circuit breaker closing lock device |
| CN108716320A (en) * | 2018-08-08 | 2018-10-30 | 珠海优特电力科技股份有限公司 | Anti-error lock core and solution lock key |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140723 |
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| CX01 | Expiry of patent term |