CN203277268U - Miniature circuit breaker with fast closing device - Google Patents
Miniature circuit breaker with fast closing device Download PDFInfo
- Publication number
- CN203277268U CN203277268U CN 201320307835 CN201320307835U CN203277268U CN 203277268 U CN203277268 U CN 203277268U CN 201320307835 CN201320307835 CN 201320307835 CN 201320307835 U CN201320307835 U CN 201320307835U CN 203277268 U CN203277268 U CN 203277268U
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- Prior art keywords
- clamp
- groove
- handle
- circuit breaker
- indication piece
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Abstract
The utility model relates to a miniature circuit breaker with a fast closing device. The miniature circuit breaker with the fast closing device mainly solves problems that an operator may be misled and accidents happen due to a hard judgment whether a present miniature circuit breaker is turned off during use. A handle comprises a poking piece and a locking piece, wherein the poking piece and the locking piece are in sleeved connection with a pin roll; a clip is arranged on the locking piece; a gap for the clip to rotate is arranged in the poking piece; a stop spring for accelerating the clip to anticlockwise rotate is in sleeved connection with the pin roll; a clamping plate is hinged in a housing, one end of the clamping plate is in elastic fit with the housing, and the other end is engaged with the clip; and an inclined face corresponding to the handle is arranged on the clamping plate, and the inclined face is in press fit with the external edge of the handle. Therefore, separation or snapping of the clamping plate and the clip during a rotating process of the handle is achieved. The miniature circuit breaker with the fast closing device is characterized by fast closing speed, good safety and long service lifetime.
Description
Technical field
The utility model relates to a kind of miniature circuit breaker, refers in particular to a kind of miniature circuit breaker with quick-acting closure.
Background technology
Miniature circuit breaker is widely used in circuit control appliance field, during combined floodgate, driving tripping mechanism action by handle makes moving contact contact with fixed contact to realize the purpose of combined floodgate, closing speed is still relevant with dependent manual operation speed, can moment, fast, will directly affect the useful life of contact, if the tripping mechanism action is rapid not, will make between moving contact and fixed contact that to produce pyrophoric continuation longer, cause contact to be burned, thereby reduced the useful life of product.
The utility model content
In order to overcome deficiency and the defective in background technology, the utility model provides a kind of miniature circuit breaker with quick-acting closure, mainly solve existing miniature circuit breaker and exist in use and be difficult to judge whether disjunction of circuit breaker, probably mislead the operator, cause the problem of security incident.
the technical solution of the utility model is: a kind of miniature circuit breaker with quick-acting closure, comprise housing, be provided with handle in described housing, tripping mechanism, moving contact and fixed contact, described handle and tripping mechanism are connected, described tripping mechanism is connected with moving contact, described fixed contact matches with moving contact, described handle rotates by bearing pin and is engaged in housing, described handle comprises shifting part and the lock piece with the bearing pin socket, described lock piece is provided with clamp, described shifting part is provided with the breach for the clamp rotary moveable, be socketed with the spacing torsion spring that impels clamp to be rotated counterclockwise on described bearing pin, one end of described spacing torsion spring is located with clamp and is coordinated, the other end is located with shifting part and is coordinated, be hinged with clamp in described housing, one end of described clamp is by elastic component and housing resilient engagement, the other end of described clamp and described clamp fasten, described clamp is provided with corresponding handle one end and is provided with the inclined plane, described inclined plane and the top interference fit of handle outline, realize disengaging or the interlock of clamp and clamp in the rotatable handle process.
Corresponding clamp one side in described shifting part outer ring is provided with projection, and described projection and clamp top interference fit realize disengaging or the interlock of clamp and clamp in the rotatable handle process.
Described clamp is provided with the fixture block that is connected with its one, and described clamp is hinged on housing by jointed shaft, and described clamp is provided with the grab with the interlock of fixture block phase.
Described shifting part upper end is provided with the Handheld Division that extends to outside housing, and on described shifting part, both sides, corresponding Handheld Division are respectively equipped with the first groove and the second groove, are provided with out the state indication piece in described the first groove, are provided with the off status indication piece in described the second groove.
Described the first groove and the second groove are the groove structure, and its bottom is respectively equipped with the first dovetail boss and the second dovetail boss of projection, the described state indication piece bottom of opening is provided with the first suitable dovetail groove of the first dovetail boss, and the described state indication piece of opening slips into the first groove and the first dovetail boss phase clamping by the first dovetail groove; Described off status indication piece bottom is provided with the second suitable dovetail groove of the second dovetail boss, and described off status indication piece slips into the second groove and the second dovetail boss phase clamping by the second dovetail groove.
Be provided with the first inside groove in described the first groove, the described state indication piece of opening is provided with first locating convex block suitable with described the first inside groove, be provided with the second inside groove in described the second groove, described off status indication piece is provided with second locating convex block suitable with described the second inside groove, and the first locating convex block and the second locating convex block lay respectively at out the diverse location of state indication piece and off status indication piece.
the beneficial effects of the utility model: owing to taking such scheme, miniature circuit breaker with quick-acting closure of the present utility model, owing to having increased quick-acting closure at the handle place, under gate-dividing state, described spacing torsion spring impels clamp to be rotated counterclockwise and the interlock of clamp phase, when manually stirring handle, by clamp, the engaging of clamp is increased the power of holding, after using larger external force, projection on handle pushes up presses clamp to make it take off card, the power abrupt release is held in realization, drive the tripping mechanism quick acting, reach the effect of rapid closing, prevent that effectively contact from burning out, has closing speed fast, fail safe reaches well the characteristics of long service life.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment.
Fig. 2 is the local enlarged diagram at A place in Fig. 1.
Fig. 3 is the structural representation of quick-acting closure in Fig. 1.
Fig. 4 is the structural representation of lock piece in Fig. 1.
Fig. 5 is the structural representation of shifting part in Fig. 1.
Fig. 6 is the structural representation of clamp in Fig. 1.
Fig. 7 opens the structural representation of state indication piece in Fig. 1.
Fig. 8 is the structural representation of off status indication piece in Fig. 1.
in figure, the 1-housing, the 2-elastic component, the 3-clamp, the 31-inclined plane, 32 grabs, the 4-handle, the 41-shifting part, the 411-projection, the 412-breach, 413-the first groove, 414-the second groove, 415-the first dovetail boss, 416-the second dovetail boss, 417-the first inside groove, 418-the second inside groove, the 42-lock piece, the 43-Handheld Division, the 5-clamp, the 51-fixture block, the 6-jointed shaft, the spacing torsion spring of 7-, the 8-bearing pin, 91-opens the state indication piece, 911-the first dovetail groove, 912-the first locating convex block, 92-off status indication piece, 921-the second dovetail groove, 922-the second locating convex block.
Embodiment
The below is described further embodiment of the present utility model for accompanying drawing:
shown in figure, this is with the miniature circuit breaker of quick-acting closure, comprise housing 1, be provided with handle 4 in described housing 1, tripping mechanism, moving contact and fixed contact, described handle 4 is connected with tripping mechanism, described tripping mechanism is connected with moving contact, described fixed contact matches with moving contact, described handle is engaged in housing 1 by bearing pin 8 rotations, described handle 4 comprises the shifting part 41 and lock piece 42 with bearing pin 8 sockets, described lock piece 42 is provided with clamp 5, described shifting part 41 is provided with the breach 412 for clamp 5 rotary moveables, be socketed with the spacing torsion spring 7 that impels clamp 5 to be rotated counterclockwise on described bearing pin 8, one end of described spacing torsion spring 7 is located with clamp 5 and is coordinated, the other end is located with shifting part 41 and is coordinated, be hinged with clamp 3 in described housing 1, one end of described clamp 3 is by elastic component 2 and housing 1 resilient engagement, the other end of described clamp 3 and described clamp 5 fasten, described clamp 3 is provided with corresponding handle 4 one ends and is provided with inclined plane 31, described inclined plane 31 and handle 4 outline top interference fits, realize disengaging or the interlock of clamp in handle 4 rotary courses 3 and clamp 5.The hand-held handle of described handle is located on shifting part, owing to having increased quick-acting closure at the handle place, under gate-dividing state, described spacing torsion spring impels clamp to be rotated counterclockwise and the interlock of clamp phase, when manually stirring handle, by clamp, the engaging of clamp is increased the power of holding, after using larger external force, projection on handle pushes up presses clamp to make it take off card, the power abrupt release is held in realization, drives the tripping mechanism quick acting, reaches the effect of rapid closing, prevent that effectively contact from burning out, improve useful life.
Corresponding clamp 3 one sides in described shifting part 41 outer rings are provided with projection 411, and described projection 411 and clamp 3 top interference fits are realized disengaging or the interlock of clamp 3 and clamp 5 in handle 4 rotary courses.Press by projection and inclined plane two-way top, improve and take off card speed and transmission stability.
Described clamp 5 is provided with the fixture block 51 that is connected with its one, and described clamp 3 is hinged on housing 1 by jointed shaft 6, and described clamp 3 is provided with the grab 32 with fixture block 51 phase interlocks.Come handle to hold power by the interlock that blocks fast and grab, effectively raise the stability of mechanism.
Described shifting part 41 upper ends are provided with the Handheld Division 43 that extends to outside housing 1, on described shifting part 41,43 both sides, corresponding Handheld Division are respectively equipped with the first groove 413 and the second groove 414, be provided with out state indication piece 91 in described the first groove 413, be provided with off status indication piece 92 in described the second groove 414.On described housing, correspondence offers observation window above opening state indication piece and off status indication piece, described handle activity is engaged in observation window, open the state indication piece for green, the off status indication piece is red, the operator only need observe indication piece, can distinguish easily the disjunction of circuit breaker, characteristics easy to use, simple in structure.
Described the first groove 413 and the second groove 414 are the groove structure, and its bottom is respectively equipped with the first dovetail boss 415 and the second dovetail boss 416 of projection, described state indication piece 91 bottoms of opening are provided with the first suitable dovetail groove 911 of the first dovetail boss 415, and the described state indication piece 91 of opening slips into the first groove 413 and the first dovetail boss 415 phase clampings by the first dovetail groove 911; Described off status indication piece 92 bottoms are provided with the second suitable dovetail groove 921 of the second dovetail boss 416, and described off status indication piece 92 slips into the second groove 414 and the second dovetail boss 416 phase clampings by the second dovetail groove 921.Sliding inserted type is installed, and has characteristics easy for installation, simple in structure.
Be provided with the first inside groove 417 in described the first groove 413, the described state indication piece 91 of opening is provided with first locating convex block 912 suitable with described the first inside groove 417, be provided with the second inside groove 418 in described the second groove 414, described off status indication piece 92 is provided with the diverse location that lays respectively at out state indication piece 91 and off status indication piece 92 with suitable the second locating convex block 922, the first locating convex blocks 912 of described the second inside groove 418 and the second locating convex block 922.The diverse location locating convex block is set respectively on the switch indication piece, when mounted, is equipped with inside groove one to one on the handle shifting part, avoid the switch indication piece to obscure the situation of installation, have easy for installationly, prevent the advantage that mistake is installed.
Embodiment should not be considered as the restriction to utility model, but any improvement of doing based on spirit of the present utility model, all should be within protection range of the present utility model.
Claims (6)
1. miniature circuit breaker with quick-acting closure, comprise housing (1), be provided with handle (4) in described housing (1), tripping mechanism, moving contact and fixed contact, described handle (4) is connected with tripping mechanism, described tripping mechanism is connected with moving contact, described fixed contact matches with moving contact, it is characterized in that: described handle is engaged in housing (1) by bearing pin (8) rotation, described handle (4) comprises the shifting part (41) and lock piece (42) of same bearing pin (8) socket, described lock piece (42) is provided with clamp (5), described shifting part (41) is provided with the breach (412) for clamp (5) rotary moveable, be socketed with the spacing torsion spring (7) that impels clamp (5) to be rotated counterclockwise on described bearing pin (8), one end of described spacing torsion spring (7) is located with clamp (5) and is coordinated, the other end is located with shifting part (41) and is coordinated, be hinged with clamp (3) in described housing (1), one end of described clamp (3) is by elastic component (2) and housing (1) resilient engagement, the other end of described clamp (3) and described clamp (5) fasten, described clamp (3) is provided with corresponding handle (4) one ends and is provided with inclined plane (31), described inclined plane (31) and handle (4) outline top interference fit, realize disengaging or the interlock of clamp (3) and clamp (5) in handle (4) rotary course.
2. the miniature circuit breaker with quick-acting closure according to claim 1, it is characterized in that: corresponding clamp (3) one sides in described shifting part (41) outer ring are provided with projection (411), described projection (411) and clamp (3) top interference fit realize disengaging or the interlock of clamp (3) and clamp (5) in handle (4) rotary course.
3. the miniature circuit breaker with quick-acting closure according to claim 1 and 2, it is characterized in that: described clamp (5) is provided with the fixture block (51) that is connected with its one, described clamp (3) is hinged on housing (1) by jointed shaft (6), and described clamp (3) is provided with the grab (32) with fixture block (51) phase interlock.
4. the miniature circuit breaker with quick-acting closure according to claim 1 and 2, it is characterized in that: described shifting part (41) upper end is provided with and extends to housing (1) outer Handheld Division (43), both sides, the upper corresponding Handheld Division (43) of described shifting part (41) are respectively equipped with the first groove (413) and the second groove (414), be provided with out state indication piece (91) in described the first groove (413), be provided with off status indication piece (92) in described the second groove (414).
5. the miniature circuit breaker with quick-acting closure according to claim 4, it is characterized in that: described the first groove (413) is the groove structure with the second groove (414), and its bottom is respectively equipped with the first dovetail boss (415) and the second dovetail boss (416) of projection, described state indication piece (91) bottom of opening is provided with suitable the first dovetail groove (911) of the first dovetail boss (415), and the described state indication piece (91) of opening slips into the first groove (413) and the first dovetail boss (415) phase clamping by the first dovetail groove (911); Described off status indication piece (92) bottom is provided with suitable the second dovetail groove (921) of the second dovetail boss (416), and described off status indication piece (92) slips into the second groove (414) and the second dovetail boss (416) phase clamping by the second dovetail groove (921).
6. the miniature circuit breaker with quick-acting closure according to claim 5, it is characterized in that: be provided with the first inside groove (417) in described the first groove (413), the described state indication piece (91) of opening is provided with first locating convex block (912) suitable with described the first inside groove (417), be provided with the second inside groove (418) in described the second groove (414), described off status indication piece (92) is provided with second locating convex block (922) suitable with described the second inside groove (418), the first locating convex block (912) and the second locating convex block (922) lay respectively at out the diverse location of state indication piece (91) and off status indication piece (92).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320307835 CN203277268U (en) | 2013-05-31 | 2013-05-31 | Miniature circuit breaker with fast closing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320307835 CN203277268U (en) | 2013-05-31 | 2013-05-31 | Miniature circuit breaker with fast closing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203277268U true CN203277268U (en) | 2013-11-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320307835 Expired - Fee Related CN203277268U (en) | 2013-05-31 | 2013-05-31 | Miniature circuit breaker with fast closing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203277268U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103337426A (en) * | 2013-05-31 | 2013-10-02 | 浙江天正电气股份有限公司 | Micro breaker having rapid closing device |
| CN109121025A (en) * | 2018-07-19 | 2019-01-01 | 浙江工贸职业技术学院 | A kind of fixed device of wireless aps |
| CN114446732A (en) * | 2022-04-08 | 2022-05-06 | 江苏东方四通科技股份有限公司 | Circuit breaker, power cabinet with structure and power assisting method |
-
2013
- 2013-05-31 CN CN 201320307835 patent/CN203277268U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103337426A (en) * | 2013-05-31 | 2013-10-02 | 浙江天正电气股份有限公司 | Micro breaker having rapid closing device |
| CN103337426B (en) * | 2013-05-31 | 2015-12-09 | 浙江天正电气股份有限公司 | A kind of miniature circuit breaker with quick-acting closure |
| CN109121025A (en) * | 2018-07-19 | 2019-01-01 | 浙江工贸职业技术学院 | A kind of fixed device of wireless aps |
| CN109121025B (en) * | 2018-07-19 | 2021-03-30 | 浙江工贸职业技术学院 | Wireless AP fixing device |
| CN114446732A (en) * | 2022-04-08 | 2022-05-06 | 江苏东方四通科技股份有限公司 | Circuit breaker, power cabinet with structure and power assisting method |
| CN114446732B (en) * | 2022-04-08 | 2022-07-22 | 江苏东方四通科技股份有限公司 | Circuit breaker, power cabinet with structure and power assisting method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131106 Termination date: 20160531 |