CN203983206U - A kind of operating mechanism of residual current circuit breaker - Google Patents
A kind of operating mechanism of residual current circuit breaker Download PDFInfo
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- CN203983206U CN203983206U CN201420449430.7U CN201420449430U CN203983206U CN 203983206 U CN203983206 U CN 203983206U CN 201420449430 U CN201420449430 U CN 201420449430U CN 203983206 U CN203983206 U CN 203983206U
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Abstract
The utility model discloses a kind of operating mechanism of residual current circuit breaker, aim to provide a kind of by improving interlocking spring syndeton, reduce assembly difficulty, the operating mechanism of the residual current circuit breaker that realization is increased work efficiency, its technical scheme main points are operating mechanisms of a kind of residual current circuit breaker, comprise operating mechanism support, operating grip, handle back-moving spring and kinematic link, kinematic link is connected with operating grip and is connected with tripping, on operating mechanism support, be provided with top board and detain again, and realize mechanical interlocking with interlocking spring and extension spring, on operating mechanism support, be also provided with the fixed structure for clamping interlocking spring, by utilizing the external part of fixed structure clamping interlocking spring, realize and improve interlocking spring syndeton, reduce assembly difficulty, realize the operating efficiency that improves operating mechanism assembling.
Description
Technical field
The utility model relates to breaker technical field, and more particularly, it relates to a kind of operating mechanism of residual current circuit breaker.
Background technology
Along with economic development and scientific and technological progress, the reliability service of electric power system is more and more obvious to the guaranteeing role of social development, circuit breaker is a kind of electric equipment of controlling distribution line break-make, and in normal situation, circuit breaker can be switched on or switched off transmission line according to control command; In the time that electric power system is broken down.Circuit breaker disengagement failure electric current rapidly under the cooperation of protective relaying device, thus Accident prevention expands, and the performance of visible break device is directly connected to the safety of the stable and downstream electric equipment of distribution line.
Breaker body is by arc control device, operating mechanism and support composition, wherein, operating mechanism is the execution unit of circuit breaker, it is the core of whole circuit breaker, be responsible for providing circuit breaker to divide, the needed energy of closing operation is also carried out and is divided, closing operation, the development course surface of circuit breaker decades, performance and the benign development on circuit breaker of the performance of operating mechanism and progress has very large impact, but, circuit breaker is still a comparatively weak link of electric power system, from domestic, outer statistics, the fault of electric power system is mostly all relevant with circuit breaker, and operating mechanism is a comparatively weak link of circuit breaker, show according to ASSOCIATE STATISTICS data, the fault of operating mechanism accounts for 70% to 90% of whole circuit breaker failure, therefore, continuing that operating mechanism is improved to research is of great significance for improving circuit breaker stable performance and task performance tool.
At present, application number on market is the operating mechanism that the Chinese patent of 200520116641.X discloses a kind of Minitype electrical leakage breaker, it comprises operating mechanism support, an operating grip and a handle back-moving spring, also be provided with a kinematic link, one end of kinematic link is eccentrically set on handle, and the other end is connected with tripping; On operating mechanism support, be also provided with top board, the top of top board is provided with again detains, and realizes mechanical chain with spring and extension spring.
Although the operating mechanism of the utility model Minitype electrical leakage breaker, improve the mechanism structure of operating mechanism, make Minitype electrical leakage breaker have more associative perception, and save part material, reduce production cost, improve respond, but the operating mechanism of this Minitype electrical leakage breaker does not improve the connected mode of spring, and just by the external part of bending spring, thereby spring is connected on the end wall of operating mechanism support, this connected mode has strengthened the assembly difficulty of spring, has increased workman's operating time, has reduced operating efficiency.
Utility model content
The deficiency existing for prior art, the purpose of this utility model is to provide a kind of and reduces assembly difficulty by improving interlocking spring syndeton, realizes the operating mechanism of the residual current circuit breaker of the operating efficiency that improves operating mechanism assembling.
For achieving the above object, the utility model provides following technical scheme: a kind of operating mechanism of residual current circuit breaker, comprise operating mechanism support, operating grip, handle back-moving spring and kinematic link, one end of described kinematic link is eccentrically set on operating grip, on the other end, be connected with tripping, on described operating mechanism support, be provided with top board, the top of described top board is provided with again detains, and realize mechanical interlocking by interlocking spring and extension spring, it is characterized in that: on described operating mechanism support, be also provided with the fixed structure for connecting interlocking spring, described interlocking spring has the first external part and the second external part, described the first external part is connected with the end face of described operating grip, described the second external part is connected with described fixed structure.
Compared with prior art, the utility model has the advantage of: the operating mechanism of residual current circuit breaker comprises two operating mechanism supports, operating mechanism support links together by multiple support columns, on operating mechanism support, be connected with operating grip, in operating grip, be provided with handle back-moving spring, handle back-moving spring is connected on operating mechanism support, operating mechanism support is also provided with kinematic link, one end of kinematic link is eccentrically set on operating grip, on the other end, be connected with tripping, in tripping, be provided with adjusting torsion spring, on operating mechanism support, be also provided with top board, above top board, be provided with again and detain, whole operating mechanism is realized mechanical interlocking by interlocking spring and extension spring, thereby realizing provides circuit breaker to divide, the needed energy of closing operation is also carried out and is divided, closing operation, wherein, on operating mechanism support, be also provided with the fixed structure for connecting interlocking spring, interlocking spring has the first external part and the second external part, the first external part is connected with the end face that operating grip is positioned at operating mechanism internal stent, the second external part is connected with fixed structure, by above architecture advances, realize and not needing by the external part of bending interlocking spring, make on its end wall that is connected to operating mechanism support, thereby reduce the assembly difficulty of interlocking spring, reduce workman's operating time, improve assembly work efficiency.
The utility model is further set to: on described operating mechanism support, be provided with bending part, described fixed structure is arranged at described bending part on the side of described interlocking spring and is positioned at the below of described interlocking spring.
Compared with prior art, the utility model has the advantage of: the bending part by fixed structure being arranged on to operating mechanism support is on the side of interlocking spring and be positioned at the below of interlocking spring, the second external part of realizing interlocking spring can be connected on fixed structure quickly and easily, thereby reduce the assembly difficulty of interlocking spring, reduce workman's operating time, improved assembly work efficiency.
The utility model is further set to: described fixed structure is set to the tab structures of protruding along described interlocking spring axis direction.
Compared with prior art, the utility model has the advantage of: be set to along the tab structures of interlocking spring axis direction protrusion by fixed structure, second external part that can ensure interlocking spring can be fixed in tab structures better, the second external part of realizing interlocking spring is stably connected on fixed structure, thereby reduce the assembly difficulty of interlocking spring, reduce workman's operating time, improved assembly work efficiency.
The utility model is further set to: described tab structures is provided with groove on the side of described interlocking spring.
Compared with prior art, the utility model has the advantage of: on the side of interlocking spring, be provided with groove in tab structures, realize second external part of living interlocking spring by groove structure clamping, the second external part of realizing interlocking spring is stably connected on fixed structure, thereby reduce the assembly difficulty of interlocking spring, reduce workman's operating time, improved assembly work efficiency.
The utility model is further set to: the second described external part is connected in described tab structures by described groove.
Compared with prior art, the utility model has the advantage of: the second external part is connected in tab structures by groove, the second external part of further realizing interlocking spring is stably connected on fixed structure, thereby reduce the assembly difficulty of interlocking spring, reduce workman's operating time, improved assembly work efficiency.
Brief description of the drawings
Fig. 1 is the structural representation of the operating mechanism of residual current circuit breaker of the prior art;
Fig. 2 is the connected mode schematic diagram of the interlocking spring of the operating mechanism of residual current circuit breaker of the prior art;
Fig. 3 is the structural representation of the operating mechanism of a kind of residual current circuit breaker of the utility model;
Fig. 4 is the connected mode schematic diagram of the interlocking spring of the operating mechanism of a kind of residual current circuit breaker of the utility model.
Reference numeral: 1, operating mechanism support; 1.1, bending part; 2, operating grip; 3, handle back-moving spring; 4, kinematic link; 5, tripping; 6, top board; 7, detain again; 8, interlocking spring; 8.1, the first external part; 8.2, the second external part; 9, extension spring; 10, fixed structure; 10.1, tab structures; 10.2, groove.
Embodiment
Fig. 1 to Fig. 2 is a kind of embodiment of the operating mechanism of residual current circuit breaker and the connected mode of interlocking spring in prior art.
The embodiment of the operating mechanism with reference to Fig. 3 to Fig. 4 to a kind of residual current circuit breaker of the utility model does further comparative illustration.
A kind of operating mechanism of residual current circuit breaker, comprise operating mechanism support 1, operating grip 2, handle back-moving spring 3 and kinematic link 4, one end of kinematic link 4 is eccentrically set on operating grip 2, on the other end, be connected with tripping 5, on operating mechanism support 1, be provided with top board 6, the top of top board 6 is provided with detains 7 again, and realize mechanical interlocking by interlocking spring 8 and extension spring 9, wherein, on operating mechanism support 1, be also provided with the fixed structure 10 for connecting interlocking spring 8, interlocking spring 8 has the first external part 8.1 and the second external part 8.2, the first external part 8.1 is connected with the end face that operating grip 2 is positioned at operating mechanism support 1 inside, the second external part 8.2 is connected with fixed structure 10, on operating mechanism support 1, be also provided with bending part 1.1, fixed structure 10 is arranged at bending part 1.1 on the side of interlocking spring 8 and is positioned at the below of interlocking spring 8, fixed structure 10 is set to the tab structures 10.1 of protruding along interlocking spring 8 axis directions, tab structures 10.1 is provided with groove 10.2 on the side of interlocking spring 8, the second external part 8.2 is connected in institute's tab structures 10.1 by groove 10.2.
In specific embodiment, the operating mechanism of residual current circuit breaker comprises two operating mechanism supports 1, two operating mechanism supports 1 link together by multiple support columns, on operating mechanism support 1, be connected with operating grip 2, in operating grip 2, be provided with handle back-moving spring 3, handle back-moving spring 3 is connected on operating mechanism support 1, operating mechanism support 1 is also provided with kinematic link 4, one end of kinematic link 4 is eccentrically set on operating grip 2, on the other end, be connected with tripping 5, in tripping 5, be provided with adjusting torsion spring, on operating mechanism support 1, be also provided with top board 6, above top board 6, be provided with and detain again 7, whole operating mechanism is realized mechanical interlocking by interlocking spring 8 and extension spring 9, thereby realizing provides circuit breaker to divide, the needed energy of closing operation is also carried out and is divided, closing operation, wherein, on operating mechanism support 1, be also provided with the fixed structure 10 for connecting interlocking spring 8, interlocking spring 8 has the first external part 8.1 and the second external part 8.2, the first external part 8.1 is connected with the end face that operating grip 2 is positioned at operating mechanism support 1 inside, the second external part 8.2 is connected with fixed structure 10, by above architecture advances, realize and not needing by the external part of bending interlocking spring 8, make on its end wall that is connected to operating mechanism support 1, thereby reduce the assembly difficulty of interlocking spring 8, reduce workman's operating time, improve assembly work efficiency.
Further, the bending part 1.1 that fixed structure 10 is arranged on to operating mechanism support 1 is on the side of interlocking spring 8 and be positioned at the below of interlocking spring 8, the second external part 8.2 of realizing interlocking spring 8 can be connected on fixed structure 10 quickly and easily, thereby reduce the assembly difficulty of interlocking spring 8, reduce workman's operating time, improved assembly work efficiency.Fixed structure 10 is set to the tab structures 10.1 of protruding along interlocking spring 8 axis directions, second external part 8.2 that can ensure interlocking spring 8 can be fixed in tab structures 10.1 better, on the side of interlocking spring 8, be provided with groove 10.2 in tab structures 10.1, realize second external part 8.2 of living interlocking spring 8 by groove 10.2 structure clampings, the second external part 8.2 of realizing interlocking spring 8 is stably connected on fixed structure 10, the second external part 8.2 is connected in tab structures 10.1 by groove 10.2, the second external part 8.2 of further realizing interlocking spring 8 is stably connected on fixed structure 10, thereby reduce the assembly difficulty of interlocking spring 8, reduce workman's operating time, improve assembly work efficiency.
The above is only preferred implementation of the present utility model, and protection range of the present utility model is also not only confined to above-described embodiment, and all technical schemes belonging under the utility model thinking all belong to protection range of the present utility model.It should be pointed out that for those skilled in the art, in the some improvements and modifications that do not depart under the utility model principle prerequisite, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (5)
1. the operating mechanism of a residual current circuit breaker, comprise operating mechanism support, operating grip, handle back-moving spring and kinematic link, one end of described kinematic link is eccentrically set on operating grip, on the other end, be connected with tripping, on described operating mechanism support, be provided with top board, the top of described top board is provided with again detains, and realize mechanical interlocking by interlocking spring and extension spring, it is characterized in that: on described operating mechanism support, be also provided with the fixed structure for connecting interlocking spring, described interlocking spring has the first external part and the second external part, described the first external part is connected with the end face of described operating grip, described the second external part is connected with described fixed structure.
2. the operating mechanism of residual current circuit breaker according to claim 1, it is characterized in that: on described operating mechanism support, be provided with bending part, described fixed structure is arranged at described bending part on the side of described interlocking spring and is positioned at the below of described interlocking spring.
3. the operating mechanism of residual current circuit breaker according to claim 1 and 2, is characterized in that: described fixed structure is set to the tab structures of protruding along described interlocking spring axis direction.
4. the operating mechanism of residual current circuit breaker according to claim 3, is characterized in that: described tab structures is provided with groove on the side of described interlocking spring.
5. the operating mechanism of residual current circuit breaker according to claim 4, is characterized in that: described the second external part is connected in described tab structures by described groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420449430.7U CN203983206U (en) | 2014-08-11 | 2014-08-11 | A kind of operating mechanism of residual current circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420449430.7U CN203983206U (en) | 2014-08-11 | 2014-08-11 | A kind of operating mechanism of residual current circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203983206U true CN203983206U (en) | 2014-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420449430.7U Active CN203983206U (en) | 2014-08-11 | 2014-08-11 | A kind of operating mechanism of residual current circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203983206U (en) |
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2014
- 2014-08-11 CN CN201420449430.7U patent/CN203983206U/en active Active
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