CN203277274U - Miniature circuit breaker with default indication device - Google Patents
Miniature circuit breaker with default indication device Download PDFInfo
- Publication number
- CN203277274U CN203277274U CN 201320307888 CN201320307888U CN203277274U CN 203277274 U CN203277274 U CN 203277274U CN 201320307888 CN201320307888 CN 201320307888 CN 201320307888 U CN201320307888 U CN 201320307888U CN 203277274 U CN203277274 U CN 203277274U
- Authority
- CN
- China
- Prior art keywords
- spare
- circuit breaker
- tripping
- failure reset
- housing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Images
Abstract
The utility model relates to a miniature circuit breaker with a default indication device. The miniature circuit breaker with the default indication device solves problems that an operator may be misled and accidents happen due to a hard judgment whether a present breaker is turned off during use. A sliding groove (4) is arranged an upper side corresponding to a jump pin (5) in a housing (1); a fault indication piece (6) is in sliding fit with the sliding groove (4); an inspection window (8) is arranged on the upper right side corresponding to the fault indication piece (6) on the housing (1); a lower end of the fault indication piece (6) is connected with a push rod (7); and an extended ejector rod (31) which is in press fit with the push rod (7) at the time of tripping is arranged on one end, which is opposite to the jump pin (5), of a U-shaped rod (3). The miniature circuit breaker with the default indication device is characterized by simple structure, easy use, good stability and perfect safety.
Description
Technical field
The utility model relates to a kind of miniature circuit breaker, refers in particular to a kind of miniature circuit breaker of tape jam indicating device.
Background technology
Miniature circuit breaker belongs to a kind of electric component commonly used in low tension switch, is provided with electromagnetic release mechanism, thermal tripping mechanism and manual-operating mechanism, can realize that the break-make of circuit is controlled, and circuit is played a protective role.When circuit is short-circuited, during overload fault, circuit breaker can automatic shutdown circuit, protection is serially connected in electric equipment thereafter effectively.Compare it has the defencive function of disjunction short circuit current and generally do not need to change the characteristics such as parts after fault is got rid of with common disconnecting link.Based on These characteristics, the use of circuit breaker at present is very general, and except industrial use, the low tension switch of residential houses is also substituted by circuit breaker mostly.The pressure common miniature circuit breaker is indicated its deciliter state with the position at handle place, and after circuit breaker was because of short circuit or overlond trip, handle also should jump to open position thereupon, and the user can determine according to the position of handle whether circuit disconnects.But, reach in particular cases in dropout, the handle indication but may not be consistent with circuit state, for example, produce short circuit current in circuit, release is threaded off, and tripping is in free state, and namely handle is in and can freely stirs state, at this moment, be difficult to judge whether disjunction of circuit breaker, probably mislead the operator, the initiation security incident.
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 of tape jam indicating device, 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 of tape jam indicating device, comprise housing, be provided with handle in described housing, moving contact, fixed contact and tripping mechanism, described tripping mechanism includes by central shaft and is hinged on snap close on housing, and the supporter hinged with the concentricity axle of snap close, described supporter coordinates around the central shaft linkage rotation with moving contact, described supporter upper end is hinged with tripping, described tripping and the clamping of snap close phase, described handle is connected with tripping by the U-shaped bar, in described housing, corresponding tripping top is provided with chute, be sliding combined with faulty indication spare in described chute, on described housing, corresponding faulty indication spare upper right side is provided with observation window, described faulty indication spare lower end is connected with catch bar, described U-shaped pole pair is answered tripping one end to be extended with when threading off and is promoted the push rod of masthead interference fit.
Be hinged with failure reset spare by jointed shaft on described housing, described failure reset spare can rotate in a circumferential direction around jointed shaft, described supporter upper end is provided with pressure failure reset spare lower end, top and impels its push pedal that rotates in a circumferential direction, and the upper end of failure reset spare rotates rear and promotes the masthead interference fit.
Be hinged with failure reset spare by jointed shaft on described housing, described failure reset spare can rotate in a circumferential direction around jointed shaft, the right side of described tripping is provided with pressure failure reset spare lower end, top and impels its push pedal that rotates in a circumferential direction, and the upper end of failure reset spare rotates rear and promotes the masthead interference fit.
Described failure reset spare is hinged with jointed shaft and impels its right handed reduction torsion spring, and an end of described reduction torsion spring is located with housing and coordinated, and the other end coordinates with the location, lower end of failure reset spare.
Described catch bar is provided with the inclined plane of matching with push rod.
the beneficial effects of the utility model: owing to taking such scheme, the miniature circuit breaker of tape jam indicating device of the present utility model, under normal condition, faulty indication spare is in the left side, namely not corresponding with observation window, when circuit breaks down, tripping mechanism comes into operation, tripping promotes up motion with U-shaped bar on handle, enter trip status, catch bar on faulty indication spare in the push rod jacking sliding groove that extends on the U-shaped bar simultaneously makes the slippage of turning right of faulty indication spare, realize that red faulty indication spare is corresponding with observation window, the operator can check whether can see the red-fault indication piece by observation window, can directly judge whether disjunction of circuit breaker, need not to detect and disassemble circuit, just can carry out fast circuit safeguards.Have simple in structure, easy to use, good stability and safe characteristics.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment one faulty indication state.
Fig. 2 is the local enlarged diagram at A place in Fig. 1.
Fig. 3 is the backsight structural representation of the utility model embodiment one faulty indication state.
Fig. 4 is the local enlarged diagram at B place in Fig. 3.
Fig. 5 is the structural representation of the utility model embodiment one fault recovery state.
Fig. 6 is the local enlarged diagram at C place in Fig. 5.
Fig. 7 is the structural representation of faulty indication spare in Fig. 1.
Fig. 8 is the structural representation of failure reset spare in Fig. 1.
Fig. 9 is the structural representation of U-shaped bar in Fig. 1.
Figure 10 is the structural representation of tripping in Fig. 1.
Figure 11 is the structural representation of supporter in Fig. 1.
Figure 12 is the structural representation of the utility model embodiment two faulty indication states.
Figure 13 is the local enlarged diagram at D place in Figure 12.
Figure 14 is the structural representation of tripping in Figure 12.
In figure, 1-housing, 2-handle, 3-U shape bar, the 31-push rod, 4-chute, 5-tripping, 6-faulty indication spare, the 7-catch bar, 72-inclined plane, 8-observation window, 9-failure reset spare, 10-reduction torsion spring, 11-jointed shaft, the 12-supporter, 121-push pedal, 13-central shaft, the 14-snap close, 15-moving contact, 16-fixed contact.
Embodiment
The below is described further embodiment of the present utility model for accompanying drawing:
Embodiment one:
shown in Fig. 1-11, the miniature circuit breaker of this tape jam indicating device, comprise housing 1, be provided with handle 2 in described housing 1, moving contact 15, fixed contact 16 and tripping mechanism, described tripping mechanism includes by central shaft 13 and is hinged on snap close 14 on housing 1, and the supporter 12 hinged with the concentricity axle 13 of snap close 14, described supporter 12 coordinates around central shaft 13 linkage rotations with moving contact 15, described supporter 12 upper ends are hinged with tripping 5, described tripping 5 and snap close 14 phase clampings, described handle 2 is connected with tripping 5 by U-shaped bar 3, the interior corresponding tripping of described housing 15 tops are provided with chute 4, be sliding combined with faulty indication spare 6 in described chute 4, on described housing 1, corresponding faulty indication spare 6 upper right side are provided with observation window 8, described faulty indication spare 6 lower ends are connected with catch bar 7, corresponding tripping 5 one ends of described U-shaped bar 3 are extended with when threading off and the push rod 31 of catch bar 7 top interference fits.under normal condition, faulty indication spare is in the left side, namely not corresponding with observation window, when circuit breaks down, tripping mechanism comes into operation, tripping promotes up motion with U-shaped bar on handle, enter trip status, catch bar on faulty indication spare in the push rod jacking sliding groove that extends on the U-shaped bar simultaneously makes the slippage of turning right of faulty indication spare, realize that red faulty indication spare is corresponding with observation window, the operator can check whether can see the red-fault indication piece by observation window, can directly judge whether disjunction of circuit breaker, need not to detect and disassemble circuit, just can carry out fast circuit safeguards, during fault recovery, can or manually reverse by the operating mechanism pushing tow and get final product.Have simple in structure, easy to use, good stability and safe characteristics.
Be hinged with failure reset spare 9 by jointed shaft 11 on described housing 1, described failure reset spare 9 can rotate in a circumferential direction around jointed shaft 11, described supporter 12 upper ends are provided with pressure failure reset spare 9 lower ends, top and impel its push pedal that rotates in a circumferential direction 121, and the upper end of failure reset spare 9 rotates rear and catch bar 7 top interference fits.When operating personnel carry out the circuit Problem, when stirring handle and make circuit breaker return to closure state by trip status, depress on the push pedal top of the failure reset spare of being located at faulty indication spare right side on supporter, be rotated counterclockwise around jointed shaft, the upper end of failure reset spare and faulty indication spare are inconsistent immediately, promote the left side slippage of faulty indication spare, make it away from observation window, namely recover the initial condition of faulty indication spare, prepare against the faulty indication when breaking down.Adopt supporter with the moving contact interlock to push up and press failure reset spare, the mode that makes its rotation top press faulty indication spare to reset, disposable closure and the fault recovery of completing circuit breaker, have stablize, easy to operate effect.
Described failure reset spare 9 is hinged with jointed shaft 11 and impels its right handed reduction torsion spring 10, and an end of described reduction torsion spring 10 is located with housing 1 and coordinated, and the other end coordinates with the location, lower end of failure reset spare 9.Prevent that effectively failure reset spare from rocking in housing, and after fault recovery, make the automatically reset effect of failure reset spare, improve the fault recovery stability of circuit breaker.
Described catch bar 7 is provided with the inclined plane 72 of matching with push rod 31.When push rod on the U-shaped bar promotes catch bar on faulty indication spare, the U-shaped bar that in the time of can decomposing dropout by the inclined plane, handle drives is the thrust of moment up, make it be converted into the active force of past right, prevent the stressed clamping stagnation of faulty indication spare, improve the stability of circuit breaker failure indication.
Embodiment two:
Shown in Figure 12-14, the miniature circuit breaker of this tape jam indicating device, be hinged with failure reset spare 9 by jointed shaft 11 on described housing 1, described failure reset spare 9 can rotate in a circumferential direction around jointed shaft 11, the right side of described tripping 5 is provided with pressure failure reset spare 9 lower ends, top and impels its push pedal that rotates in a circumferential direction 121, and the upper end of failure reset spare 9 rotates rear and catch bar 7 top interference fits.After the dropout of breaking down, when operating personnel carry out the circuit Problem, when stirring handle and make circuit breaker return to closure state by trip status, depress on the push pedal top of the failure reset spare of being located at faulty indication spare right side in tripping, is rotated counterclockwise around jointed shaft, and the upper end of failure reset spare and faulty indication spare are inconsistent immediately, promote the left side slippage of faulty indication spare, make it away from observation window, namely recover the initial condition of faulty indication spare, prepare against the faulty indication when breaking down.Adopt to push up with the tripping of handle interlock and press failure reset spare, the mode that makes its rotation top press faulty indication spare to reset, disposable closure and the fault recovery of completing circuit breaker, have stablize, easy to operate effect.Other structures are all identical with embodiment one, and this paper repeats no more.
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 (5)
1. the miniature circuit breaker of a tape jam indicating device, comprise housing (1), be provided with handle (2) in described housing (1), moving contact (15), fixed contact (16) and tripping mechanism, described tripping mechanism includes by central shaft (13) and is hinged on snap close (14) on housing (1), and the supporter (12) hinged with the concentricity axle of snap close (14) (13), described supporter (12) coordinates around central shaft (13) linkage rotation with moving contact (15), described supporter (12) upper end is hinged with tripping (5), described tripping (5) and snap close (14) phase clamping, described handle (2) is connected with tripping (5) by U-shaped bar (3), it is characterized in that: in described housing (1), corresponding tripping (5) top is provided with chute (4), be sliding combined with faulty indication spare (6) in described chute (4), the upper corresponding faulty indication spare (6) of described housing (1) upper right side is provided with observation window (8), described faulty indication spare (6) lower end is connected with catch bar (7), corresponding tripping (5) one ends of described U-shaped bar (3) are extended with when threading off and the push rod (31) of catch bar (7) top interference fit.
2. the miniature circuit breaker of tape jam indicating device according to claim 1, it is characterized in that: described housing (1) is upper is hinged with failure reset spare (9) by jointed shaft (11), described failure reset spare (9) can rotate in a circumferential direction around jointed shaft (11), described supporter (12) upper end is provided with pressure failure reset spare (9) lower end, top and impels its push pedal that rotates in a circumferential direction (121), and the upper end of failure reset spare (9) rotates rear and catch bar (7) top interference fit.
3. the miniature circuit breaker of tape jam indicating device according to claim 1, it is characterized in that: described housing (1) is upper is hinged with failure reset spare (9) by jointed shaft (11), described failure reset spare (9) can rotate in a circumferential direction around jointed shaft (11), the right side of described tripping (5) is provided with pressure failure reset spare (9) lower end, top and impels its push pedal that rotates in a circumferential direction (121), and the upper end of failure reset spare (9) rotates rear and catch bar (7) top interference fit.
4. the miniature circuit breaker of according to claim 2 or 3 described tape jam indicating devices, it is characterized in that: the same jointed shaft of described failure reset spare (9) (11) is hinged with and impels its right handed reduction torsion spring (10), one end of described reduction torsion spring (10) is located with housing (1) and is coordinated, and the other end coordinates with the location, lower end of failure reset spare (9).
5. the miniature circuit breaker of according to claim 1 and 2 or 3 described tape jam indicating devices, it is characterized in that: described catch bar (7) is provided with the inclined plane (72) of matching with push rod (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320307888 CN203277274U (en) | 2013-05-31 | 2013-05-31 | Miniature circuit breaker with default indication device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320307888 CN203277274U (en) | 2013-05-31 | 2013-05-31 | Miniature circuit breaker with default indication device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203277274U true CN203277274U (en) | 2013-11-06 |
Family
ID=49507630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320307888 Withdrawn - After Issue CN203277274U (en) | 2013-05-31 | 2013-05-31 | Miniature circuit breaker with default indication device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203277274U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103337428A (en) * | 2013-05-31 | 2013-10-02 | 浙江天正电气股份有限公司 | Micro breaker having fault indication device |
-
2013
- 2013-05-31 CN CN 201320307888 patent/CN203277274U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103337428A (en) * | 2013-05-31 | 2013-10-02 | 浙江天正电气股份有限公司 | Micro breaker having fault indication device |
| CN103337428B (en) * | 2013-05-31 | 2015-11-18 | 浙江天正电气股份有限公司 | The miniature circuit breaker of tape jam indicating device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103311884A (en) | Non-stick overvoltage and under-voltage protector with leakage protection function | |
| US10262827B2 (en) | Fault state indication device for circuit breaker | |
| CN203277246U (en) | Miniature circuit breaker with default and tripping indication device | |
| CN203119217U (en) | A fault-arc temperature detecting plug/socket | |
| CN103337428B (en) | The miniature circuit breaker of tape jam indicating device | |
| CN203277274U (en) | Miniature circuit breaker with default indication device | |
| CN206460920U (en) | A kind of accident indicator of miniature circuit breaker | |
| CN201853643U (en) | High breaking vacuum load switch-fuse combined electrical appliance | |
| CN204480977U (en) | There is the breaker of plastic casing of overload-alarm non-tripping function | |
| CN203277247U (en) | Miniature circuit breaker with default indication device | |
| CN203456396U (en) | Operating device of dual-mode breaker accessory with self-locking function | |
| CN101908778A (en) | Multifunctional dual-load dual-power automatic switchover control device | |
| CN111146758A (en) | Tripping mechanism and surge protector adopting same | |
| CN203104114U (en) | Marine intelligent circuit breaker | |
| CN107039214A (en) | Automatic fault detection and the reclosing shown with liquid crystal display after a kind of tripping operation | |
| CN103346047B (en) | A kind of miniature circuit breaker of tape jam tripping indicating device | |
| CN101620957A (en) | Breaker with short circuit self-locking function | |
| CN102881541B (en) | Fuse protector type disconnecting switch carried with signaling device in hanging mode | |
| CN203205830U (en) | Resettable overvoltage and under-voltage protector with leakage protection function | |
| CN202796825U (en) | Fuse type disconnecting switch of portable hanging annunciator | |
| CN104252998B (en) | Tripping indicating device and chopper for chopper | |
| CN106298382B (en) | Breaker realizes the switching method of arc fault warning and arc fault power-off | |
| CN201213116Y (en) | Circuit breaker having short circuit self-locking function | |
| CN203055839U (en) | Novel miniature circuit breaker | |
| CN201527942U (en) | Emergency opening circuit breaker |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131106 Effective date of abandoning: 20151118 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |