CN102832061B - Space-saving brake separating lock - Google Patents
Space-saving brake separating lock Download PDFInfo
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- CN102832061B CN102832061B CN201210303119.7A CN201210303119A CN102832061B CN 102832061 B CN102832061 B CN 102832061B CN 201210303119 A CN201210303119 A CN 201210303119A CN 102832061 B CN102832061 B CN 102832061B
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Abstract
The invention relates to a space-saving brake separating lock which comprises a support, a lock core with the front end fixed on the support and a rotating block fixedly sheathed at the rear end of the lock core, and the rotating block rotates along with the lock core. The space-saving brake separating lock is characterized in that a pressing block is sheathed at the outer side of the rotating block or the rotating block is sheathed at the outer side of the pressing block, a protruding locking block is arranged below the pressing block, the rotating block drives the pressing block to rotate in the same direction after idling to a certain angle in relative to the pressing block along with the rotation of the lock core, and the locking block is further driven to rotate into or out of a groove of a brake separating button push rod of a circuit breaker. The space-saving brake separating lock provided by the invention not only has simple structure and convenience for manufacturing and assembly, but also greatly reduces the spaced required by the brake separating lock, and is applicable to various small-size circuit breakers.
Description
Technical field
The present invention relates to a kind of separating brake lock, particularly relate to a kind of space-efficient separating brake lock.
Background technology
The separating brake locking device of existing circuit breaker, generally include one for being mounted to the mounting bracket on circuit breaker, with the locking mechanism being fixed on mounting bracket, locking mechanism comprises lock core and the dead bolt rotating with lock core, the lock core of locking mechanism is rotated, while driving dead bolt to rotate to below, when dead bolt is arranged in the groove of push rod of close/open machine, dead bolt blocks push rod, makes the circuit breaker can not divide-shut brake.Otherwise when the lock core rotation of locking mechanism drives upwards by dead bolt, dead bolt produces from groove, and then make the circuit breaker can divide-shut brake.
The development trend of circuit breaker is that volume is more and more less at present, to use in the situation that various steric requirementss are relatively harsh.And the revolving separating brake lock of above-mentioned tradition, the anglec of rotation of its lock core is 90 °, and the part that drives functionating is that the anglec of rotation of dead bolt is also 90 °, and space shared in rotary course is relatively large, is difficult to normal use in narrow space.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of space-efficient separating brake lock of small volume.
The present invention solves the problems of the technologies described above adopted technical scheme: a kind of space-efficient separating brake lock, comprise support, front end is fixed on the lock core on support, and the spill spin block that is fixedly placed on lock core rear end, described spill spin block is along with lock core rotates, it is characterized in that: a briquetting is placed on described spill spin block outside or described spill spin block is placed on described briquetting outside, and the below of described briquetting is provided with an outstanding clamping block, described spill spin block is along with the rotation of described lock core drives described briquetting rotating in same direction after with respect to described briquetting idle running certain angle, and then make described clamping block rotate the groove that is arranged in or produces the opening button push rod of circuit breaker.
Described briquetting is placed on described spill spin block outside, in described briquetting, there is the accommodating described spill spin block of a through hole, the upper right block face that there is upper left block face that the left end upper surface with this spill spin block matches in described through hole and/or match with the right-hand member upper surface of this spill spin block, and the bottom left block face matching with the left end lower surface of this spill spin block and/or the bottom right block face that matches with the right-hand member lower surface of this spill spin block.
Described briquetting is placed on described spill spin block outside, in described through hole, there is respectively upper left block face, bottom left block face that the upper and lower surface of left end with this spill spin block matches, the upper right block face, the bottom right block face that match with the upper and lower surface of right-hand member of described spill spin block respectively, each block face is wherein respectively between the block face adjacent with both sides, respectively with the axle through the center of this through hole axisymmetricly, full-size between the two ends of this spill spin block is slightly less than the internal diameter of this through hole, is greater than the internal diameter forming between inner side of above-mentioned block face.
The inner side of described through hole has two projections that symmetry is outstanding, and the both sides of described projection form respectively upper left block face, bottom left block face, upper right block face and bottom right block face.
As a preferred embodiment of the present invention, described through hole is circular, and described projection is triangular bump, the arcwall face that the two ends of described spill spin block match for the internal diameter with described through hole, and upper and lower surface is plane.
As another embodiment of the present invention, described through hole is circular, described projection is arc bump, the external diameter of this spill spin block is less than the internal diameter between the projection of this arc, and these spill spin block two ends have respectively protuberance, this protuberance is respectively between upper and lower left block face and between upper and lower right block face.
As another embodiment of the present invention, described briquetting is positioned at the inner side of described spill spin block, in described spill spin block, there is a pore volume and put this briquetting, on described internal surfaces of holes, there is the upper left block face matching with this spill spin block left end upper surface and/or the upper right block face matching with this spill spin block right-hand member upper surface, the bottom left block face matching with this spill spin block left end lower surface and/or the bottom right block face matching with this spill spin block right-hand member lower surface.
Preferably, on the inner surface in described hole, there is respectively upper left block face, bottom left block face that the upper and lower surface of left end with this spill spin block matches, the upper right block face, the bottom right block face that match with the upper and lower surface of right-hand member of this spill spin block respectively, between above-mentioned each block face and adjacent block face, respectively with the axle through Gai Kong center axisymmetricly, size between these briquetting two ends is less than the internal diameter in this hole, is greater than the internal diameter forming between inner side of above-mentioned block face.
Preferably, described projection is arc bump or triangular bump, and these briquetting both sides have respectively protuberance, and this protuberance is respectively between upper left block face and bottom left block face and between upper right block face and bottom right block face.
In order to make briquetting suffered friction when rotated less, the thickness of described spill spin block is thicker than the thickness of described briquetting.
Compared with prior art, the invention has the advantages that space-efficient of the present invention separating brake lock, not only simple in structure, manufacture easy to assemblyly, and the requisite space of separating brake lock is reduced greatly, be applicable in the circuit breaker of various small sizes.
Accompanying drawing explanation
Fig. 1 is the end view of separating brake lock of the present invention.
Fig. 2 is the exploded view of separating brake lock of the present invention.
Fig. 3 is the cutaway view of separating brake lock of the present invention.
Fig. 4 is the schematic diagram of first embodiment of the invention separating brake lock lock-out state.
Fig. 5 schematic diagram that to be first embodiment of the invention separating brake lock dally when locking onto released state.
Fig. 6 is the schematic diagram of first embodiment of the invention separating brake lock released state.
Fig. 7 is the schematic diagram that first embodiment of the invention separating brake lock dallies when solution is locked into lock-out state.
Fig. 8 is the spill spin block of second embodiment of the invention separating brake lock and the assembling schematic diagram of briquetting.
Fig. 9 is the spill spin block of third embodiment of the invention separating brake lock and the assembling schematic diagram of briquetting.
Figure 10 is the spill spin block of third embodiment of the invention separating brake lock and the assembling schematic rear view of briquetting.
Embodiment
Below in conjunction with accompanying drawing, embodiment is described in further detail the present invention.
Separating brake lock of the present invention, as Figure 1-3, comprises by the fixed support 2 of this separating brake locking on circuit breaker, and is positioned at the lock core 1 on fixed support 2, lock core 1 is fixed on fixed support 2 by cover lock core big nut 12 thereon.The front end of lock core 1 is exposed to this fixed support 2, and the rear end of lock core 1 is fixed with spill spin block 3, and this spill spin block 3 is positioned at the rear end of lock core 1 by a lock core primary nut 11.This spill spin block 3 is along with the rotation of lock core 1 is rotated together.The outside of this spill spin block 3 is also overlapped a briquetting 4, and this briquetting 4 is subject to the driving of spill spin block 3 along with spill spin block 3 coaxial rotatings.And the below of this briquetting 4 is extended with a clamping block 6 downwards, this clamping block 6 can be along with the rotation gear of briquetting 4 be in the groove of opening button push rod, thereby pushes down separating brake semiaxis, makes the circuit breaker can not on/off switch; Or this clamping block 6, along with the rotation of lock core 1 is produced in the groove of this opening button push rod, makes normally divide-shut brake of circuit breaker.
The rear end cover of this lock core 1 has the both sides, front and back of spill spin block 3 and briquetting 4, also cover has pad 5 respectively, this pad 5 is greater than this spill spin block 3 conventionally, can limit briquetting 4 in the position in lock core 1 outside, make the position that user can flexible briquetting 4, and this pad 5 plays wear-resisting, anti-skidding effect at the volley, improve the performance of separating brake lock.
As shown in Fig. 4-7, it is the view that locks onto released state of this separating brake lock.In the middle of this briquetting 4, have a through hole 41, this through hole 41 is placed on this spill spin block 3 outsides.This spill spin block 3 is the arc surface that two ends and through hole 41 match, and is the parts of parallel plane up and down.
In this through hole 41, there is respectively upper left block face 42, bottom left block face 44 that the upper and lower surface of left end with this spill spin block 3 matches, and the upper right block face 43, the bottom right block face 45 that match with the upper and lower surface of right-hand member of this spill spin block 3 respectively.Each block face is wherein respectively between the block face adjacent with both sides, respectively with the axle through this through hole 41 center axisymmetricly.Full-size between the two ends of this spill spin block 3 is slightly less than the internal diameter of this through hole 41, is greater than between this upper and lower block face the internal diameter forming between inner side.Preferably, this through hole 41 is circular.
When this spill spin block 3 is during in the coaxial rotation of the interior work of through hole 41 and through hole 41, can be first dally through hole 41 is interior, until the two ends of spill spin block 3 are against respectively on upper left block face 42 and bottom right block face 45 or are against respectively on bottom left block face 44 and upper right block face 43, and drive briquetting 4 together to rotate, make clamping block 6 releases or the locking of briquetting 4 belows.As shown in Fig. 4-7, in this through hole 41, there are inwardly outstanding two symmetrical triangular bumps 46 up and down, the both sides of this triangular bump 46 form respectively upper and lower left block face and upper and lower right block face.
As shown in Figure 4, now this separating brake lock is in the lock state, and the groove that now clamping block 6 of briquetting 4 belows is arranged in opening button push rod downwards props up push rod; As shown in Figure 5, now spill spin block 3 is along with lock core 1 is done counterclockwise rotation, and when the upper end, right side of spill spin block 3 and lower end, left side do not contact respectively to the upper right block face 43 in briquetting 4 and bottom left block face 44, spill spin block 3 is only in the interior idle running of through hole 41, i.e. the rotation of this spill spin block 3 does not drive the rotation of briquetting 4; As shown in Figure 6, when the upper right block face 43 under the upper end, right side of spill spin block 3 and left side in end in contact briquetting 4 and bottom left block face 44, drive briquetting 4 to rotate counterclockwise, now, the clamping block 6 of briquetting 4 belows rotates and produces from the groove of opening button push rod, now separating brake lock is in released state, and circuit breaker is divide-shut brake normally.As shown in Figure 7, for this separating brake lock is locked into the view of lock-out state from solution, now, spill spin block 3 along with lock core carries out clockwise rotation, in like manner, spill spin block 3 first carries out the idle running of certain angle in the through hole 41 of briquetting 4, until when the upper left block face 42 of the upper end, left side of spill spin block 3 in contacting respectively briquetting 4 with lower end, right side and bottom right block face 45, drive briquetting 4 to turn clockwise, and then clamping block 6 rotations of these briquetting 4 belows are back in the groove of opening button push rod, get back to state as shown in Figure 4, this separating brake lock is in the lock state.And the thickness of this spill spin block 3 is slightly larger than the thickness of this briquetting 4, make briquetting 4 when rotated not by pad 5 frictions of front and back, guarantee that the motion of briquetting 4 is smooth and easy.
The separating brake lock of this structure, because spill spin block 3 can carry out after the idle running of certain angle in briquetting 4, just can drive briquetting 4 to rotate, make the rotation of lock core 1 convert the rotation of the briquetting 4 that angle is less to, the angle of rotating between release and the transition status of lock-out state due to briquetting 4 is less, even if lock core 1 turns over 90 degree, the actual angle turning over of this briquetting 4 is also less than 90 degree, make this separating brake lock required space and greatly reduce, this separating brake lock can be applicable in the circuit breaker of multiple small volume.And those skilled in the art can recognize, as long as the distance of adjusting between upper left block face and bottom left block face, upper right block face and bottom right block face is that this spill spin block 3 of capable of regulating is at the angular dimension of briquetting 4 interior idle running, and then the actual required angular dimension turning over can adjust the conversion of this briquetting 4 between release and lock-out state time, that is to say that those skilled in the art can be under above-mentioned principle, adjust voluntarily the size of the volume of this separating brake lock, to be applicable to the circuit breaker of different volumes.
And those skilled in the art also can recognize, also not necessarily leave no choice but to there is upper left block face and the upper right block face mating respectively with the two ends, upper surface left and right of spill spin block, there is at least one between the two, and match with the lower surface of spill spin block, also can only need bottom left block face and wherein at least one of bottom right block face.
As shown in Figure 8, be the schematic diagram of the second embodiment of separating brake of the present invention lock.Wherein this briquetting 4 ' has through hole 41 ', has the projection 46 ' of upper and lower two arcs in this briquetting 4 ', and the two ends of the projection 46 ' of this arc form respectively upper left block face 42 ', upper right block face 43 ' and bottom left block face 44 ', bottom right block face 45 '.The external diameter of this spill spin block 3 ' is less than internal diameter between the projection 46 ' of this arc, and the two ends of spill spin block 3 ' also have respectively outwards outstanding protuberance 31 ', this protuberance 31 ' is respectively between upper and lower left block face and between upper and lower right block face, this protuberance 31 ' offsets with upper left block face or bottom left block face and upper right block face or bottom right block face respectively when rotated, to drive this briquetting 4 ' along with spill spin block 3 ' rotates.Can adjust distance between this upper left block face 42 ' and bottom left block face 44 ' and the distance between this upper right block face 43 ' and bottom right block face 45 ', and then adjust the idle running angle of this spill spin block 3 ' in briquetting 4 '.Preferably, this through hole 41 ' is manhole, and this projection 46 ' is circular arc projection, the two ends of this spill spin block 3 ' for and the projection 46 ' of arc between the cambered surface that matches of internal diameter, be plane up and down.
As shown in Fig. 9,10, for the schematic diagram of the 3rd embodiment of separating brake of the present invention lock, in this embodiment, briquetting 4 " be positioned at this spill spin block 3 " inner side, i.e. this spill spin block 3 " be placed on this briquetting 4 " outside, and spill spin block 3 " at this briquetting 4 " outside coaxial rotation.This spill spin block 3 " in there is a hole 32 ", this hole 32 " inner surface on have and this spill spin block 3 " left end on, the upper left block face 42 that lower surface matches ", bottom left block face 44 ", with with this spill spin block 3 " right-hand member on, the upper right block face 43 that lower surface matches ", bottom right block face 45 ", and identical with the first embodiment, between above-mentioned each block face and adjacent block face, respectively with through this hole 32 " center axle axisymmetricly, this briquetting 4 " two ends between undersized in this hole 32 " internal diameter, be greater than the internal diameter forming between inner side of above-mentioned block face.This briquetting 4 " both sides have respectively protuberance 31 ", this protuberance 31 " lay respectively at upper left block face 42 " and bottom left block face 44 " between and upper right block face 43 " and bottom right block face 45 " between.Therefore, when this spill spin block 3 " along with lock core 1 " when rotation, spill spin block 3 " first at briquetting 4 " outside idle running, then when upper and lower left block face or upper and lower right block face prop up briquetting 4 " on protuberance 31 " time, drive briquetting 4 " rotate, and then briquetting 4 " clamping block 6 of below " lock or release.As shown in figure 10, this hole 32 " in there is the projection 46 of the arc as shown in the second embodiment ", the projection 46 of this arc " two ends form respectively upper and lower left block face and upper and lower right block face.And those skilled in the art can recognize, this hole 32 " in also can there is triangular bump as in the first embodiment shown, to form upper and lower left block face and upper and lower right block face.And this briquetting 4 " Thickness Ratio spill spin block 3 " thin, briquetting 4 " at spill spin block 3 " in, so for briquetting 4 " clamping block 6 of below " can rotate smoothly spill spin block 3 " and periphery there is groove 38 " expose described clamping block 6 ", this clamping block 6 " at groove 38 " scope in rotation.Preferably, this hole 32 " be a circular port, this projection 46 " be a circular arc projection, this briquetting 4 " be a central portion.And those skilled in the art also can recognize, in this embodiment, upper left block face and upper right block face also have at least one of them, and bottom left block face and bottom right block face also have at least one of them.
And, those skilled in the art can recognize, the above embodiments only exemplify, those skilled in the art also can adopt the idle running that coordinates to realize spill spin block of other forms of block face and projection cube structure, only need to make spill spin block in briquetting or outside carry out after the idle running of certain angle, just can drive briquetting to rotate, make the rotation of lock core convert the rotation of the briquetting that angle is less to, the angle that the conversion of briquetting between release and lock-out state rotated is less, be that lock core turns over 90 degree, the actual angle turning over of this briquetting is also less than 90 degree, can make the space of this separating brake lock greatly reduce, this separating brake lock can be applicable in the circuit breaker of multiple small volume.
Space-efficient of the present invention separating brake lock, not only simple in structure, manufacture easy to assemblyly, and the requisite space of separating brake lock is reduced greatly, be applicable in the circuit breaker of various small sizes.
Although more than described the preferred embodiments of the present invention in detail, should be expressly understood that, for a person skilled in the art, the present invention can have various modifications and variations.All any modifications of doing within the spirit and principles in the present invention, be equal to replacement, improvement etc., within protection scope of the present invention all should be included in.
Claims (10)
1. a space-efficient separating brake is locked, comprise support (2), front end is fixed on the lock core (1) on support (2), and the spill spin block that is fixedly placed on lock core (1) rear end, described spill spin block is along with lock core (1) rotates, it is characterized in that: a briquetting is placed on described spill spin block outside or described spill spin block is placed on described briquetting outside, and the below of described briquetting is provided with an outstanding clamping block, described spill spin block is along with the rotation of described lock core (1) drives described briquetting rotating in same direction after with respect to described briquetting idle running certain angle, and then make described clamping block rotate the groove that is arranged in or produces the opening button push rod of circuit breaker.
2. separating brake as claimed in claim 1 is locked, it is characterized in that: described briquetting is placed on described spill spin block outside, in described briquetting, there is the accommodating described spill spin block of a through hole, the upper right block face that there is upper left block face that the left end upper surface with this spill spin block matches in described through hole and/or match with the right-hand member upper surface of this spill spin block, and the bottom left block face matching with the left end lower surface of this spill spin block and/or the bottom right block face that matches with the right-hand member lower surface of this spill spin block.
3. separating brake as claimed in claim 2 is locked, it is characterized in that: in described through hole, there is respectively upper left block face, bottom left block face that the upper and lower surface of left end with this spill spin block matches, the upper right block face, the bottom right block face that match with the upper and lower surface of right-hand member of described spill spin block respectively, each block face is wherein respectively between the block face adjacent with both sides, respectively with the axle through the center of this through hole axisymmetricly, full-size between the two ends of this spill spin block is slightly less than the internal diameter of this through hole, is greater than the internal diameter forming between inner side of above-mentioned block face.
4. separating brake lock as claimed in claim 3, is characterized in that: the inner side of described through hole has two projections that symmetry is outstanding, and the both sides of described projection form respectively upper left block face, bottom left block face, upper right block face and bottom right block face.
5. separating brake as claimed in claim 4 is locked, it is characterized in that: described through hole (41) is for circular, described projection (46) is triangular bump, the arcwall face that the two ends of described spill spin block (3) match for the internal diameter with described through hole (41), and upper and lower surface is plane.
6. separating brake as claimed in claim 4 is locked, it is characterized in that: described through hole (41 ') is for circular, described projection (46 ') is arc bump, the external diameter of this spill spin block (3 ') is less than the internal diameter between the projection (46 ') of this arc, and these spill spin block (3 ') two ends have respectively protuberance (31 '), this protuberance (31 ') lays respectively between upper and lower left block face and between upper and lower right block face.
7. separating brake as claimed in claim 1 is locked, it is characterized in that: described briquetting (4 ") is positioned at the inner side of described spill spin block (3 "), in described spill spin block (3 "), there is accommodating this briquetting in a hole (32 ") (4 "), the upper right block face that there is the upper left block face that matches with this spill spin block (3 ") left end upper surface (42 ") on the inner surface of described hole (32 ") and/or match with this spill spin block (3 ") right-hand member upper surface (43 "), the bottom left block face matching with this spill spin block (3 ") left end lower surface (44 ") and/or the bottom right block face that matches with this spill spin block (3 ") right-hand member lower surface (45 ").
8. separating brake as claimed in claim 7 is locked, it is characterized in that: on the inner surface of described hole (32 "), have respectively on the left end with this spill spin block (3 "), the upper left block face that lower surface matches (42 "), bottom left block face (44 "), respectively with the right-hand member of this spill spin block (3 ") on, the upper right block face that lower surface matches (43 "), bottom right block face (45 "), between above-mentioned each block face and adjacent block face, respectively with the axle at the center through this hole (32 ") axisymmetricly, size between this briquetting (4 ") two ends is less than the internal diameter in this hole (32 "), be greater than the internal diameter forming between inner side of above-mentioned block face.
9. separating brake as claimed in claim 8 is locked, it is characterized in that: this briquetting (4 ") both sides have respectively protuberance (31 "), this protuberance (31 ") lays respectively between upper left block face (42 ") and bottom left block face (44 ") and upper right block face (43 ") and bottom right block face (45 ") between.
10. the lock of the separating brake as described in claim 1-9 any one, is characterized in that: the thickness of described spill spin block is thicker than the thickness of described briquetting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210303119.7A CN102832061B (en) | 2012-08-23 | 2012-08-23 | Space-saving brake separating lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210303119.7A CN102832061B (en) | 2012-08-23 | 2012-08-23 | Space-saving brake separating lock |
Publications (2)
| Publication Number | Publication Date |
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| CN102832061A CN102832061A (en) | 2012-12-19 |
| CN102832061B true CN102832061B (en) | 2014-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210303119.7A Active CN102832061B (en) | 2012-08-23 | 2012-08-23 | Space-saving brake separating lock |
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Citations (7)
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| FR2399111A1 (en) * | 1977-07-28 | 1979-02-23 | Unelec | Locking device for electric switches - uses mechanical latch locking member secured by padlocks to close box structure |
| US5222382A (en) * | 1990-04-04 | 1993-06-29 | Cge Compagnia Generale Elettromeccancia Spa | Locking device for locking a rotary device of electromechanical equipment |
| US6797903B1 (en) * | 2004-02-11 | 2004-09-28 | Siemens Energy & Automation, Inc. | Extended rotary handle operator |
| CN101281836A (en) * | 2008-05-16 | 2008-10-08 | 常熟开关制造有限公司(原常熟开关厂） | Brake-dividing locking safety device for breaker |
| CN101876225A (en) * | 2009-05-01 | 2010-11-03 | 通用电气公司 | Lock mounting device |
| CN202134426U (en) * | 2010-11-19 | 2012-02-01 | 常州新苑星电器有限公司 | Handle of brake of master switch |
| CN202948853U (en) * | 2012-08-23 | 2013-05-22 | 德力西电气有限公司 | Brake separating lock with space saving property |
-
2012
- 2012-08-23 CN CN201210303119.7A patent/CN102832061B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2399111A1 (en) * | 1977-07-28 | 1979-02-23 | Unelec | Locking device for electric switches - uses mechanical latch locking member secured by padlocks to close box structure |
| US5222382A (en) * | 1990-04-04 | 1993-06-29 | Cge Compagnia Generale Elettromeccancia Spa | Locking device for locking a rotary device of electromechanical equipment |
| US6797903B1 (en) * | 2004-02-11 | 2004-09-28 | Siemens Energy & Automation, Inc. | Extended rotary handle operator |
| CN101281836A (en) * | 2008-05-16 | 2008-10-08 | 常熟开关制造有限公司(原常熟开关厂） | Brake-dividing locking safety device for breaker |
| CN101876225A (en) * | 2009-05-01 | 2010-11-03 | 通用电气公司 | Lock mounting device |
| CN202134426U (en) * | 2010-11-19 | 2012-02-01 | 常州新苑星电器有限公司 | Handle of brake of master switch |
| CN202948853U (en) * | 2012-08-23 | 2013-05-22 | 德力西电气有限公司 | Brake separating lock with space saving property |
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| Publication number | Publication date |
|---|---|
| CN102832061A (en) | 2012-12-19 |
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