CN204011304U - The miniature circuit breaker that a kind of tape jam is threaded off and indicated - Google Patents
The miniature circuit breaker that a kind of tape jam is threaded off and indicated Download PDFInfo
- Publication number
- CN204011304U CN204011304U CN201420428098.6U CN201420428098U CN204011304U CN 204011304 U CN204011304 U CN 204011304U CN 201420428098 U CN201420428098 U CN 201420428098U CN 204011304 U CN204011304 U CN 204011304U
- Authority
- CN
- China
- Prior art keywords
- indication piece
- circuit breaker
- tripping
- support
- miniature circuit
- 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- Withdrawn - After Issue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
Abstract
The miniature circuit breaker that a kind of tape jam is threaded off and indicated.Having solved existing miniature circuit breaker divides to have no progeny and can not make operator distinguish the problem of whether fault disjunction.It comprises housing, in described housing, be provided with snap close, tripping, support and indication piece, described housing is provided with inspection hole, when described tripping has the primary importance of rotating together with snap close, support and dropout release, the second place of jack-up indication piece is rotated in tripping, the second place that described indication piece is coupled by tripping jack-up indication piece and support while having primary importance while installing, fault trip.The utility model when normally to miniature circuit breaker close a floodgate, during opening operation, indication piece does not show; When circuit causes de-mouthful of small circuit breaker mechanism to disconnect due to fault current, show fault trip indication, make staff can understand fast the separating brake reason of circuit breaker.
Description
Technical field
The utility model relates to a kind of circuit breaker, is specifically related to the miniature circuit breaker that a kind of tape jam is threaded off and indicated.
Background technology
In each unit of miniature circuit breaker, contact system, arc quenching system, operating mechanism, free tripping mechanism, over-current protection system and short circuit protection system have been comprised.Miniature circuit breaker makes operating mechanism drive the moving contact in contact system to move by operating grip, and miniature circuit breaker is connected and disjunction, realizes the control to electric wiring; By the sensing to heating effect of current and magnetic effect, electric wiring is transshipped, implements during the fault such as short circuit protection.
Miniature circuit breaker has the fault trip indication piece of different structure at present, controls the indicating status of indication piece by the support on miniature circuit breaker, and indication piece and support are connected conventionally.When existing miniature circuit breaker circuit causes de-mouthful of small circuit breaker mechanism to disconnect due to fault current, indication piece shows fault trip indication, normally closing a floodgate, during opening operation, also transition stage is in indication circuit breaker disjunction state thereupon for indication piece, so operating personnel can not determine that circuit breaker is because normal operation disjunction or because fault disjunction according to the indication piece of circuit breaker.
Summary of the invention
For dividing to have no progeny, existing miniature circuit breaker in solution background technology can not make the problem that the quick differentiation of operator is fault disjunction, the miniature circuit breaker that the utility model provides a kind of tape jam to thread off and indicate.
The technical solution of the utility model is: the miniature circuit breaker that a kind of tape jam is threaded off and indicated, comprise housing, in described housing, be provided with snap close, tripping, support and indication piece, described snap close and tripping are all articulated with on support, described housing is provided with inspection hole, the below of indication piece is located in described tripping (3), described tripping has and snap close, the second place of tripping jack-up indication piece when the primary importance that support rotates together and fault trip release, described indication piece has the primary importance while installing, during fault trip by the second place of tripping jack-up indication piece and support coupling.
As a kind of improvement of the present utility model, in described housing, be hinged with slide guide part, described indication piece is sheathed on slide guide part and with the slippage of slide guide part and coordinates, and the first state that described slide guide part has while installing makes slide guide part second state around housing motion together with indication piece with tripping jack-up indication piece.
As further improvement of the utility model, described slide guide part comprises articulated section and guide sliding part, and described articulated section is connected by connecting portion with guide sliding part, and described indication piece is located on guide sliding part and with guide sliding part slippage and is coordinated.
As further improvement of the utility model, described indication piece comprises instruction unit and slide groove portion, described instruction unit is corresponding with inspection hole, and described support is provided with projection, and the slide groove portion of described projection when the indication piece second place and on indication piece is coupled.
As further improvement of the utility model, described indication piece also comprises protuberance, described protuberance when indication piece resets and the sidewall of support offset.
As further improvement of the utility model, described tripping is provided with the boss for jack-up indication piece.
As further improvement of the utility model, in described housing, be provided with magnetic conductive board, described magnetic conductive board comprises the first magnetic conductive board and the second magnetic conductive board, and described the first magnetic conductive board is provided with bending part, and the second described magnetic conductive board covers on the bending part that is placed in the first magnetic conductive board and forms electromagnetism passage.
As further improvement of the utility model, in described magnetic conductive board, be provided with flash barrier.
As further improvement of the utility model, on described support, be also hinged with moving contact, described moving contact, snap close, tripping all coordinate with support is spacing, described support is provided with installing hole, in described installing hole, be provided with the installation shaft for installing, described installation shaft one end and installing hole matched in clearance, the other end and installing hole interference fit.
As further improvement of the utility model, described support is provided with claw in one end of installing hole, described claw and installation shaft interference fit.
The beneficial effects of the utility model are, when normally to miniature circuit breaker close a floodgate, during opening operation, indication piece does not show; When circuit causes de-mouthful of small circuit breaker mechanism to disconnect due to fault current, show fault trip indication, make staff can understand fast the separating brake reason of circuit breaker.And the utility model also has simple in structurely, can reliably realize the advantage of fault trip indication.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of the utility model embodiment.
Accompanying drawing 2 is the structural representation in accompanying drawing 1 housing.
Accompanying drawing 3 is the structural representation on accompanying drawing 2 other directions.
Accompanying drawing 4 is the structural representation of indication piece 5 in accompanying drawing 2.
Accompanying drawing 5 is the structural representation at accompanying drawing 2 medium-height trestle 4 places.
Accompanying drawing 6 is the structural representation of accompanying drawing 5 medium-height trestles 4.
Accompanying drawing 7 is the structural representation of tripping 3 in accompanying drawing 5.
Accompanying drawing 8 is the structural representation of magnetic conductive board 7 in accompanying drawing 2.
In figure, 1, housing; 11, inspection hole; 2, snap close; 3, tripping; 31, boss; 4, support; 41, projection; 42, installing hole; 43, installation shaft; 44, claw; 5, indication piece; 51, instruction unit; 52, slide groove portion; 53, protuberance; 6, slide guide part; 61, articulated section; 62, guide sliding part; 63, connecting portion; 7, magnetic conductive board; 71, the first magnetic conductive board; 711, bending part; 72, the second magnetic conductive board; 73, electromagnetism passage; 8, flash barrier; 9, moving contact.
Embodiment
Below in conjunction with accompanying drawing, the utility model embodiment is described further:
By Fig. 1 in conjunction with Fig. 2, 3, 4, 5, 6, 7, shown in 8, the miniature circuit breaker that a kind of tape jam is threaded off and indicated, comprise housing 1, in described housing 1, be provided with snap close 2, tripping 3, support 4 and indication piece 5, described snap close 2 and tripping 3 are all articulated with on support 4, described housing 1 is provided with inspection hole 11, the below (as shown in Figure 2) of indication piece 5 is located in described tripping 3, described tripping 3 has and snap close 2, the second place of tripping 3 jack-up indication pieces 5 when the primary importance that support 4 rotates together and fault trip release, described indication piece 5 has the primary importance while installing, the second place being coupled by tripping 3 jack-up indication pieces 5 and support 4 during fault trip.Specifically, while normally miniature circuit breaker being carried out to opening operation, (as shown in Figure 2, tripping is rotated counterclockwise) rotated in snap close, tripping together with support, now latches in the below of indication piece, fails to contact with indication piece.When fault trip, snap close and tripping release, the jointed shaft rotation (as shown in Figure 2 tripping instantaneous pin rotation) of tripping on support, tripping jack-up indication piece now, now also rotation together of support, support with by the indication piece of jack-up, be coupled, support drives indication piece to turn to inspection hole below, show fault trip, now on support, also play effect spacing and that support.The beneficial effects of the utility model are, when normally to miniature circuit breaker close a floodgate, during opening operation, indication piece does not show; When circuit causes de-mouthful of small circuit breaker mechanism to disconnect due to fault current, show fault trip indication, make staff can understand fast the separating brake reason of circuit breaker.And the utility model also has simple in structurely, can reliably realize the advantage of fault trip indication.
In described housing 1, be hinged with slide guide part 6, described indication piece 5 is sheathed on slide guide part (6) above and coordinates with 6 slippages of slide guide part, and the first state that described slide guide part 6 has while installing makes slide guide part 6 second state around housing 4 motions together with indication piece 5 with tripping 3 jack-up indication pieces 5.Specifically, described slide guide part 6 comprises articulated section 61 and guide sliding part 62, and described articulated section 61 is connected by connecting portion 63 with guide sliding part 62, and described indication piece 5 is located on guide sliding part 62 and with guide sliding part 62 slippages and is coordinated.Specifically, during fault trip, tripping jack-up indication piece and slide guide part, make slide guide part rotate around housing.Such structure is convenient to the fixing of indication piece, is convenient to the installation of product simultaneously, simple in structure, and fault trip indication is reliable.
Described indication piece 5 comprises instruction unit 51 and slide groove portion 52, and described instruction unit 51 is corresponding with inspection hole 11, and described support 4 is provided with projection 41, and the slide groove portion 52 of described projection 41 when indication piece 5 second place and on indication piece 5 is coupled.Specifically, described indication piece 5 also comprises protuberance 53, described protuberance 53 when indication piece 5 resets and the sidewall of support 4 offset.Such structure makes indication piece to be driven and to be used to indicate reliably, and being arranged so that of protuberance can make indication piece reset by the sidewall of support.Certainly, in real work, the instruction unit of indication piece can adopt redness to be used to indicate fault message.Certainly, in the utility model, also can adopt other modes that indication piece is resetted.In the utility model, slide groove portion and protuberance are located at respectively the both sides of support projection, when fault trip, support projection rotates counterclockwise (referring to Fig. 2) and blocks mutually with the slide groove portion sidewall on indication piece, drive indication piece along the guide sliding part slippage of slide guide part, the instruction unit of indication piece is used to indicate, projection on support also plays effect spacing and that support, now indication piece in support couple state, and move to inspection hole below together with support, make instruction unit be used to indicate fault message.When again closing a floodgate, support clockwise rotates projection and departs from the edge in slide groove portion, and rack side wall and protuberance offset and drive indication piece to rotate, and now, the slide groove portion of indication piece and the projection of support depart from coupling, and indication piece resets under the effect of support and slide guide part.
Described tripping 3 is provided with the boss 31 for jack-up indication piece 5.The structure jack-up indication piece of being more convenient for of effect, reduces machining accuracy and the difficulty of product.
In described housing 1, be provided with magnetic conductive board 7, described magnetic conductive board 7 comprises the first magnetic conductive board 71 and the second magnetic conductive board 72, described the first magnetic conductive board 71 is provided with bending part 711, and the second described magnetic conductive board 72 covers on the bending part 711 that is placed in the first magnetic conductive board 71 and forms electromagnetism passage 73.Specifically, in described magnetic conductive board 7, be provided with flash barrier 8.Increased magnetic conductive board, made miniature circuit breaker when disjunction short circuit current, electric arc enters fast the arc control device of arc quenching system under the effects such as magnetic blow-out effect and aerodynamic force, has improved heat radiation and the magnetic blow-out ability of electric arc; Promote the arc-rupturing capacity of the short circuit current breaking arc of circuit breaker simultaneously, thereby improved short circuit current breaking capacity.The utility model adopts the first magnetic conductive board and the second magnetic conductive board, makes the installation of magnetic conductive board more convenient, reliable, and the magnetic conductive board of this structure has stronger heat radiation and magnetic blow-out effect to electric arc, can improve the arc-rupturing capacity of electric arc.The electric arc that is arranged so that of flash barrier can not run helter-skelter, and affects the performance of magnetic conductive board.
On described support 4, be also hinged with moving contact 9, described moving contact 9, snap close 2, tripping 3 all coordinate with support 4 is spacing, and specifically, described moving contact 9, snap close 2, tripping 3 all coordinate along its jointed shaft axial limiting with support 4 on jointed shaft separately.Described support 4 is provided with installing hole 42, is provided with the installation shaft 43 for installing in described installing hole 42, described installation shaft 43 one end and installing hole 42 matched in clearance, the other end and installing hole 42 interference fit.Concrete institute, described support 4 is provided with claw 44 in one end of installing hole 42, described claw 44 and installation shaft 43 interference fit.Such structure makes moving contact, snap close, tripping and support hinged, is convenient to install.
Every technical staff's notice: although the utility model describes according to above-mentioned embodiment; but invention thought of the present utility model is not limited in this utility model; the repacking of any utilization inventive concept, all will include in this patent scope of patent protection.
Claims (10)
1. the tape jam miniature circuit breaker of indication of threading off, comprise housing (1), in described housing (1), be provided with snap close (2), tripping (3), support (4) and indication piece (5), described snap close (2) and tripping (3) are all articulated with on support (4), described housing (1) is provided with inspection hole (11), it is characterized in that: the below of indication piece (5) is located in described tripping (3), described tripping (3) has and snap close (2), the second place of tripping (3) jack-up indication piece (5) when the primary importance that support (4) rotates together and fault trip release, described indication piece (5) has the primary importance while installing, the second place being coupled by tripping (3) jack-up indication piece (5) and support (4) during fault trip.
2. the miniature circuit breaker that a kind of tape jam according to claim 1 is threaded off and indicated, it is characterized in that being hinged with slide guide part (6) in described housing (1), described indication piece (5) is sheathed on slide guide part (6) above and coordinates with slide guide part (6) slippage, and the first state that described slide guide part (6) has while installing makes slide guide part (6) second state around housing (4) motion together with indication piece (5) with tripping (3) jack-up indication piece (5).
3. the miniature circuit breaker that a kind of tape jam according to claim 2 is threaded off and indicated, it is characterized in that described slide guide part (6) comprises articulated section (61) and guide sliding part (62), described articulated section (61) is connected by connecting portion (63) with guide sliding part (62), and described indication piece (5) is located at guide sliding part (62) above and is coordinated with guide sliding part (62) slippage.
4. the miniature circuit breaker that a kind of tape jam according to claim 1 is threaded off and indicated, it is characterized in that described indication piece (5) comprises instruction unit (51) and slide groove portion (52), described instruction unit (51) is corresponding with inspection hole (11), described support (4) is provided with projection (41), and the slide groove portion (52) of described projection (41) when indication piece (5) second place and on indication piece (5) is coupled.
5. a kind of tape jam according to claim 4 miniature circuit breaker of indication of threading off, is characterized in that described indication piece (5) also comprises protuberance (53), described protuberance (53) when indication piece (5) resets and the sidewall of support (4) offset.
6. the miniature circuit breaker that a kind of tape jam according to claim 1 is threaded off and indicated, is characterized in that described tripping (3) is provided with the boss (31) for jack-up indication piece (5).
7. the miniature circuit breaker that a kind of tape jam according to claim 1 is threaded off and indicated, it is characterized in that being provided with magnetic conductive board (7) in described housing (1), described magnetic conductive board (7) comprises the first magnetic conductive board (71) and the second magnetic conductive board (72), described the first magnetic conductive board (71) is provided with bending part (711), and described the second magnetic conductive board (72) lid is placed in the upper electromagnetism passage (73) that forms of bending part (711) of the first magnetic conductive board (71).
8. the miniature circuit breaker that a kind of tape jam according to claim 7 is threaded off and indicated, is characterized in that being provided with flash barrier (8) in described magnetic conductive board (7).
9. the miniature circuit breaker that a kind of tape jam according to claim 1 is threaded off and indicated, it is characterized in that being also hinged with moving contact (9) on described support (4), described moving contact (9), snap close (2), tripping (3) all with spacing cooperation of support (4), described support (4) is provided with installing hole (42), in described installing hole (42), be provided with the installation shaft (43) for installing, described installation shaft (43) one end and installing hole (42) matched in clearance, the other end and installing hole (42) interference fit.
10. the miniature circuit breaker that a kind of tape jam according to claim 9 is threaded off and indicated, is characterized in that described support (4) is provided with claw (44) in one end of installing hole (42), described claw (44) and installation shaft (43) interference fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420428098.6U CN204011304U (en) | 2014-07-31 | 2014-07-31 | The miniature circuit breaker that a kind of tape jam is threaded off and indicated |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420428098.6U CN204011304U (en) | 2014-07-31 | 2014-07-31 | The miniature circuit breaker that a kind of tape jam is threaded off and indicated |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204011304U true CN204011304U (en) | 2014-12-10 |
Family
ID=52051264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420428098.6U Withdrawn - After Issue CN204011304U (en) | 2014-07-31 | 2014-07-31 | The miniature circuit breaker that a kind of tape jam is threaded off and indicated |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204011304U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104201065A (en) * | 2014-07-31 | 2014-12-10 | 浙江天正电气股份有限公司 | Miniature circuit breaker with fault tripping indication |
-
2014
- 2014-07-31 CN CN201420428098.6U patent/CN204011304U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104201065A (en) * | 2014-07-31 | 2014-12-10 | 浙江天正电气股份有限公司 | Miniature circuit breaker with fault tripping indication |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141210 Effective date of abandoning: 20160330 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |