CN202977333U - Operating mechanism of molded case circuit breaker - Google Patents
Operating mechanism of molded case circuit breaker Download PDFInfo
- Publication number
- CN202977333U CN202977333U CN 201220738193 CN201220738193U CN202977333U CN 202977333 U CN202977333 U CN 202977333U CN 201220738193 CN201220738193 CN 201220738193 CN 201220738193 U CN201220738193 U CN 201220738193U CN 202977333 U CN202977333 U CN 202977333U
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- cheek
- operating mechanism
- extended leg
- circuit breaker
- cheek plate
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Abstract
The utility model relates to an operating mechanism of a molded case circuit breaker and belongs to the technical field of circuit breakers. The molded case circuit breaker comprises a circuit breaker base. The operating mechanism comprises a first cheek plate and a second cheek plate which are arranged on the circuit breaker base, as well as a connecting rod system which is arranged between the first cheek plate and the second cheek plate. The operating mechanism of the molded case circuit breaker is characterized in that first cheek plate and the second cheek plate are respectively composed of an upper portion and a lower portion, wherein the upper portion is connected with the lower portion through a middle bent portion; a space used for installing the connecting rod system is formed between for the upper portion of the first cheek plate and the upper portion of the second cheek plate; and the distance L2 between the upper portion of first cheek plate and the upper portion of the second cheek plate is smaller than the distance L1 between the lower portion of the first cheek plate and the lower portion of the second cheek plate. The operating mechanism of the molded case circuit breaker has the following advantages that: fast installation of the operating mechanism and an arc extinguish chamber of the circuit breaker can be realized; an embodiment is provided for the miniaturization of the operating mechanism; through adjusting the sizes of the bent portions of the first cheek plate and the second cheek plate, the size of the operating mechanism can be adjusted maximally, such that the miniaturization of the circuit breaker under the premise of favorable insulation.
Description
Technical field
the utility model belongs to the circuit-breaker technical field, is specifically related to a kind of operating mechanism of breaker of plastic casing.
Background technology
the future development that China's small-sized low-voltage circuit breaker forward " miniaturization, modularization, multi-functional, accessory module, high breaking, low noise, reliable operation, progressively realize intelligent " requires, constantly create the new product that meets the epoch needs.Particularly along with the development of power industry and the transformation of urban and rural power grids, development at the intelligent building in city, rural urbanization construction, industrial automatic control etc., all China's miniature circuit breaker has been proposed to higher specification requirement, how to have utilized limited space to realize that maximum breaking capacity seems more and more important.
the operating mechanism of existing breaker of plastic casing, its mounting means is by screw, operating mechanism to be directly installed on circuit breaker base mostly, the shortcoming of this type of attachment is: can not realize rapid-assembling, and more time-consuming, and the bonding strength of screw is had to corresponding torque demand; In addition, this structure is larger to the requirement of bulk, in order to guarantee insulation property between phase and phase, must make this class mechanism that sufficient installing space is arranged, very unfavorable to the miniaturization of circuit breaker.
in view of above-mentioned prior art, be necessary structure and the connected mode of the operating mechanism of breaker of plastic casing are improved, for this reason, the applicant has done actively and effectively to explore, and technical scheme described below produces under this background.
Summary of the invention
the purpose of this utility model is that a kind of operating mechanism that can realize the breaker of plastic casing that miniaturization is installed will be provided, it can not only ease of assembly, and, in the miniaturization that guarantees can realize under the good prerequisite of insulation property circuit breaker, can generally apply to existing circuit breaker is realized in the transformation of miniaturization, Fast Installation.
the purpose of this utility model reaches like this, a kind of operating mechanism of breaker of plastic casing, described breaker of plastic casing comprises circuit breaker base, described operating mechanism comprise the first cheek and the second cheek be located on circuit breaker base and be arranged on the first cheek and the second cheek between push and pull system, be characterized in: described the first cheek is by upper, lower two parts form and on, between lower two parts, by middle bending part, connect, described the second cheek is equally by upper, lower two parts form and on, same by middle bending part connection between lower two parts, the upper part of described the first cheek and the top of described the second cheek are formed with for the space of described push and pull system is installed between dividing, and the spacing L1 of the bottom that the upper part of described the first cheek and the top of described the second cheek spacing L2 between dividing is less than the lower part of described the first cheek and described the second cheek between dividing.
in a specific embodiment of the present utility model, the upper part of described the first cheek has first fold turn of bilge and the second bending part at the top of short transverse, be formed with the first boss on described first fold turn of bilge, on described the second bending part, be formed with the second boss; Correspondingly, the upper part of described the second cheek offers respectively the first location hole achieved a fixed connection for matching with described the first boss and the second location hole achieved a fixed connection for matching with described the second boss at the nearly tip position place of short transverse.
in another specific embodiment of the present utility model, the lower part of described the first cheek has the 3rd bending part, described the 3rd bending part is formed with the first extended leg and the second extended leg below short transverse, under described the second cheek, part has the four fold turn of bilge, and described four fold turn of bilge is formed with for three extended leg corresponding with described the first extended leg and the second extended leg and the 4th extended leg below short transverse.
in another specific embodiment of the present utility model, be respectively equipped with the first installing hole and the second installing hole on described the first extended leg and the second extended leg, be respectively equipped with the 3rd installing hole and the 4th installing hole on described the 3rd extended leg and the 4th extended leg, and the position of described the first installing hole is corresponding with the position of described the 3rd installing hole, the position of described the second installing hole is corresponding with the position of described the 4th installing hole.
also has a specific embodiment of the present utility model, be connected and be configured to H shape by transverse arm between described the first extended leg and described the second extended leg, between described the 3rd extended leg and described the 4th extended leg, be connected and be configured to H shape by transverse arm equally.
the utility model is due to after adopting said structure, the beneficial effect had: the Fast Installation that can realize mechanism and arc-extinguishing chamber of circuit breaker, the spacing L1 of the bottom that the spacing L2 of the top that has the upper part of the first cheek and the second cheek due to the mechanism after connecting between dividing is less than the lower part of the first cheek and the second cheek between dividing, provide a kind of embodiment to mechanism's miniaturization; By adjusting the corresponding size of first, second cheek bending part, farthest the size of adjusting operation mechanism can realize the miniaturization of circuit breaker under the good prerequisite that insulate simultaneously.
The accompanying drawing explanation
fig. 1 is an application examples perspective view of the present utility model.
the embodiment perspective view that Fig. 2 is operating mechanism described in the utility model.
the embodiment perspective view that Fig. 3 is the first cheek described in the utility model.
the embodiment perspective view that Fig. 4 is the second cheek described in the utility model.
the three-dimensional exploded view that Fig. 5 is Fig. 2.
in figure: 1. the first cheek, 11. first fold turn of bilges, 111. first boss, 12. second bending parts, 121. second boss, 13. the 3rd bending parts, 131. first extended legs, 1311. first installing holes, 132. second extended legs, 1321. second installing holes, 14. first tripping axles, 15. first lever shafts, 16. first snap close installing holes, 17. first supported holes; 2. the second cheek, 21. first location holes, 22. second location holes, 23. four fold turn of bilges, 231. the 3rd extended legs, 2311. the 3rd installing holes, 232. the 4th extended legs, 2321. the 4th installing holes, 24. second tripping axles, 25. second lever shafts, 26. second snap close installing holes, 27. second supported holes; 3. circuit breaker base, 31. first connecting axles, 32. second connecting axles; 4. snap close; 5. tripping; 6. lever; 7. strutting piece.
Embodiment
in order to make the public can fully understand technical spirit of the present utility model and beneficial effect; the applicant will describe in detail embodiment of the present utility model below by reference to the accompanying drawings; but the applicant is not the restriction to technical scheme to the description of embodiment, anyly according to the utility model design, changes in the form rather than substance all and should be considered as protection range of the present utility model.
refer to Fig. 1, Fig. 2 and in conjunction with Fig. 3 and Fig. 4, a kind of operating mechanism of breaker of plastic casing, described breaker of plastic casing comprises circuit breaker base 3, described operating mechanism comprise the first cheek 1 and the second cheek 2 be located on circuit breaker base 3 and be arranged on the first cheek 1 and the second cheek 2 between push and pull system.Described the first cheek 1 by upper and lower two parts, formed and upper and lower two parts between by middle bending part, connect, described the second cheek 2 by upper and lower two parts, formed equally and upper and lower two parts between by middle bending part, connect equally.The upper part of described the first cheek 1 has first fold turn of bilge 11 and the second bending part 12 at the top of short transverse, be formed with the first boss 111 on described first fold turn of bilge 11, on described the second bending part 12, is formed with the second boss 121; Correspondingly, the upper part of described the second cheek 2 offers respectively the first location hole 21 achieved a fixed connection for matching with described the first boss 111 and the second location hole 22 achieved a fixed connection for matching with described the second boss 121 at the nearly tip position place of short transverse.The upper part of described the first cheek 1 and the top of described the second cheek 2 are formed with for the space of described push and pull system is installed between dividing, and the spacing of the top of two cheeks between dividing is L2.
the lower part of described the first cheek 1 has the 3rd bending part 13, described the 3rd bending part 13 is formed with the first extended leg 131 and the second extended leg 132 below short transverse, between described the first extended leg 131 and described the second extended leg 132, by transverse arm, is connected and is configured to H shape.The lower part of described the second cheek 2 has four fold turn of bilge 23, described four fold turn of bilge 23 is formed with for three extended leg 231 and four extended leg 232 corresponding with described the first extended leg 131 and the second extended leg 132 below short transverse, between described the 3rd extended leg 231 and described the 4th extended leg 232, is connected and is configured to H shape by transverse arm equally.Be respectively equipped with the first installing hole 1311 and the second installing hole 1321 on described the first extended leg 131 and the second extended leg 132, be respectively equipped with the 3rd installing hole 2311 and the 4th installing hole 2321 on described the 3rd extended leg 231 and the 4th extended leg 232, and the position of described the first installing hole 1311 is corresponding with the position of described the 3rd installing hole 2311, the position of described the second installing hole 1321 is corresponding with the position of described the 4th installing hole 2321.Described circuit breaker base 3 is provided with the first axle 31 and the second axle 32, the two ends of described the first axle 31 are located in respectively in the first installing hole 1311 and the 3rd installing hole 2311, the two ends of described the second axle 32 are located in respectively in the second installing hole 1321 and the 4th installing hole 2321, for the lower part of the first cheek 1 and the second cheek 2 is fixed on to described circuit breaker base 3, and the spacing L1 of the spacing L2 of the top of two cheeks between the dividing bottom that is less than two cheeks between dividing.
refer to Fig. 5, push and pull system between the first cheek 1 described in the utility model and described the second cheek 2 comprises snap close 4, tripping 5, lever 6 and strutting piece 7, described the first cheek 1 is provided with the first tripping axle 14, the first lever shaft 15, the first snap close installing hole 16 and the first supported hole 17, described the second cheek 2 is provided with the second tripping axle 24, the second lever shaft 25, the second snap close installing hole 26 and the second supported hole 27, and the second tripping axle 24 is corresponding with the position of the first tripping axle 14, the second lever shaft 25 is corresponding with the position of the first lever shaft 15, the second snap close installing hole 26 is corresponding with the position of the first snap close installing hole 16, the second supported hole 27 is corresponding with the position of the first supported hole 17.When assembling, tripping 5 is set in respectively on the first tripping axle 14 and the second tripping axle 24, lever 6 is set in respectively on the first lever shaft 15 and the second lever shaft 25, snap close 4 is passed through to the axle difference hub setting at two ends on the first snap close installing hole 16 and the second snap close installing hole 26.Simultaneously, the first boss 111 on described the first cheek 1, the second boss 121 respectively with the second cheek 2 on the first location hole 21 and the second location hole 22 insertings rivet clasp, described strutting piece 7 after through the first supported hole 17 and the second supported hole 27 with the first cheek 1, the second cheek 2 rivet clasps, described the first connecting axle 31, the second connecting axle 32 are connected between the first installing hole 1311, the 3rd installing hole 2311 and the second installing hole 1321, the 4th installing hole 2321 and the lower part of two cheeks are fixedly installed on circuit breaker base 3, thereby form independent module.
Claims (5)
1.
a kind of operating mechanism of breaker of plastic casing, described breaker of plastic casing comprises circuit breaker base (3), described operating mechanism comprise the first cheek (1) and the second cheek (2) be located on circuit breaker base (3) and be arranged on the first cheek (1) and the second cheek (2) between push and pull system, it is characterized in that: described the first cheek (1) is by upper, lower two parts form and on, between lower two parts, by middle bending part, connect, described the second cheek (2) is equally by upper, lower two parts form and on, same by middle bending part connection between lower two parts, the top of the upper part of described the first cheek (1) and described the second cheek (2) is formed with between dividing for the space of described push and pull system is installed, and the spacing L1 of the bottom that the spacing L2 of the top of the upper part of described the first cheek (1) and described the second cheek (2) between dividing is less than the lower part of described the first cheek (1) and described the second cheek (2) between dividing.
2.
the operating mechanism of breaker of plastic casing according to claim 1, the upper part that it is characterized in that described the first cheek (1) has first fold turn of bilge (11) and the second bending part (12) at the top of short transverse, be formed with the first boss (111) on described first fold turn of bilge (11), be formed with the second boss (121) on described the second bending part (12); Correspondingly, the upper part of described the second cheek (2) offers respectively the first location hole (21) achieved a fixed connection for matching with described the first boss (111) and the second location hole (22) achieved a fixed connection for matching with described the second boss (121) at the nearly tip position place of short transverse.
3.
the operating mechanism of breaker of plastic casing according to claim 1, the lower part that it is characterized in that described the first cheek (1) has the 3rd bending part (13), described the 3rd bending part (13) is formed with the first extended leg (131) and the second extended leg (132) below short transverse, the lower part of described the second cheek (2) has four fold turn of bilge (23), and described four fold turn of bilge (23) is formed with for three extended leg (231) corresponding with described the first extended leg (131) and the second extended leg (132) and the 4th extended leg (232) below short transverse.
4.
the operating mechanism of breaker of plastic casing according to claim 1, it is characterized in that on described the first extended leg (131) and the second extended leg (132) being respectively equipped with the first installing hole (1311) and the second installing hole (1321), be respectively equipped with the 3rd installing hole (2311) and the 4th installing hole (2321) on described the 3rd extended leg (231) and the 4th extended leg (232), and the position of described the first installing hole (1311) is corresponding with the position of described the 3rd installing hole (2311), the position of described the second installing hole (1321) is corresponding with the position of described the 4th installing hole (2321).
5.
the operating mechanism of breaker of plastic casing according to claim 3, it is characterized in that being connected and being configured to H shape by transverse arm between described the first extended leg (131) and described the second extended leg (132), between described the 3rd extended leg (231) and described the 4th extended leg (232), be connected and be configured to H shape by transverse arm equally.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220738193 CN202977333U (en) | 2012-12-28 | 2012-12-28 | Operating mechanism of molded case circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220738193 CN202977333U (en) | 2012-12-28 | 2012-12-28 | Operating mechanism of molded case circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202977333U true CN202977333U (en) | 2013-06-05 |
Family
ID=48518377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220738193 Expired - Lifetime CN202977333U (en) | 2012-12-28 | 2012-12-28 | Operating mechanism of molded case circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202977333U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105788973A (en) * | 2015-01-08 | 2016-07-20 | 通用电气公司 | Mounting assembly for a circuit breaker mechanism |
-
2012
- 2012-12-28 CN CN 201220738193 patent/CN202977333U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105788973A (en) * | 2015-01-08 | 2016-07-20 | 通用电气公司 | Mounting assembly for a circuit breaker mechanism |
| CN105788973B (en) * | 2015-01-08 | 2019-06-11 | 通用电气公司 | Mounting assembly for circuit breaker mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130605 |