CN202996741U - Circuit breaker capable of automatic tripping in accessory mounting processes - Google Patents
Circuit breaker capable of automatic tripping in accessory mounting processes Download PDFInfo
- Publication number
- CN202996741U CN202996741U CN 201320004522 CN201320004522U CN202996741U CN 202996741 U CN202996741 U CN 202996741U CN 201320004522 CN201320004522 CN 201320004522 CN 201320004522 U CN201320004522 U CN 201320004522U CN 202996741 U CN202996741 U CN 202996741U
- Authority
- CN
- China
- Prior art keywords
- upper cover
- circuit breaker
- safety interlocking
- snap close
- projection
- 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.)
- Expired - Lifetime
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Abstract
A circuit breaker capable of automatic tripping in accessory mounting processes s disclosed to solve the problem that potential safety hazards are caused because a conventional circuit breaker is not capable of automatic tripping when accessories are mounted after an upper cover is opened. The circuit breaker capable of automatic tripping in accessory mounting processes comprises an upper cover, a middle cover, a base seat, an operation mechanism, a locking fastener, and mounting rack, wherein the locking fastener is hinged to the mounting rack, a safety interlocking member is fixed on the upper cover, the safety interlocking member is provided with a protrusion block which is arranged at a lower end of a rotating part of the locking fastener, and the protrusion block enables the locking fastener to rotate around a hinge shaft of the locking fastener when the upper cover is opened. The circuit breaker capable of automatic tripping in accessory mounting processes is characterized in that when the upper cover is opened, the safety interlocking member fixedly connected with the upper cover can move along with the upper cover; and when the protrusion block of the safety interlocking member is lifted to a position which corresponds to the rotating part of the locking fastener, the protrusion block enables the locking fastener to rotate around the hinge shaft of the locking fastener and trip, and therefore an operation mechanism acts, the circuit breaker is opened, operators can be prevented from hot-line work, and safety of the operators and electric devices can be guaranteed.
Description
Technical field
The utility model relates to a kind of circuit breaker, is specifically related to the circuit breaker that a kind of installing accessory is threaded off automatically.
Background technology
Breaker of plastic casing contains operating mechanism unit and release unit usually; after electric current surpasses trip setting; the release unit of breaker of plastic casing sends trip signal; make snap close around its jointed shaft rotation; snap close can be with the pneumatic operating mechanism action to thread off and automatically cut off electric current, protection electrical appliance and user of service's safety.In the breaker of plastic casing of existing replaceable module, because the staff need to increase various modules according to different situations, as install shunt release, under-voltage release, auxiliary contact, Alarm contactor etc. additional, and existing similar circuit breaker all can not automatic trip, the staff opens the charged work of upper cover possibility, has great potential safety hazard.
Summary of the invention
In background technology, existing circuit breaker is when opening upper cover installing accessory module in order to solve, and circuit breaker can not be threaded off automatically, has the problem of potential safety hazard, the circuit breaker that the utility model provides a kind of installing accessory automatically to thread off.
the technical solution of the utility model is: the circuit breaker that a kind of installing accessory is threaded off automatically, comprise upper cover, middle cover, base, operating mechanism, snap close and installing rack, described snap close is articulated on installing rack, but cover the mounting groove that is provided with a plurality of installation accessories modules in described, described accessory module and the clamping of middle cover phase, be provided with arc-control device in described base, cover on described and be fixed with safety interlocking spare, described safety interlocking spare is provided with projection, described projection is located at the lower end of the rotation section of snap close, described projection can make snap close around its jointed shaft rotation when upper cover is opened.
As a kind of improvement of the present utility model, described safety interlocking spare is provided with projection, and described projection is corresponding with the rotation section of snap close.
As further improvement of the utility model, described projection is semicircle, and the rotation section of described snap close is provided with the curved surface corresponding with semicircle projection.
As further improvement of the utility model, described safety interlocking spare is provided with connecting plate, and described connecting plate is by trip bolt and upper cover Joint.
As further improvement of the utility model, cover on described and be provided with groove, be provided with the screwed hole that coordinates with trip bolt in described groove and be located at the reinforcement of screwed hole outer surface.
As further improvement of the utility model, described projection, connecting plate and safety interlocking spare are the integral type structure.
As further improvement of the utility model, cover on described and be provided with lead and gathering sill, cover in described and be provided with pilot hole and guide ledges, described lead and pilot hole, gathering sill and guide ledges are suitable.
The beneficial effects of the utility model are, when opening upper cover, the safety interlocking spare that is fixedly connected with upper cover also can together with move, when the projection of safety interlocking spare was thus lifted to corresponding section, rotation section with snap close, projection made snap close rotate around its jointed shaft and threads off, thereby makes the operating mechanism action, breaker open operation, cut off the electricity supply, avoid operator's live line working, guarantee the safety of operator and power consumption equipment.
Description of drawings
Accompanying drawing 1 is the structural representation of the utility model embodiment.
Accompanying drawing 2 is the structural representation of safety interlocking spare 7 in accompanying drawing 1.
Accompanying drawing 3 is the structural representation of upper cover 1 in accompanying drawing 1.
Accompanying drawing 4 is the structural representation of safety interlocking spare 7 and snap close 5 cooperation places in accompanying drawing 1.
Accompanying drawing 5 is the structural representation of safety interlocking spare 7 and upper cover 1 cooperation place in accompanying drawing 1.
In figure, 1, upper cover; 11, groove; 12, screwed hole; 13, reinforcement; 14, lead; 15, gathering sill; 2, middle cover; 21, mounting groove; 22, pilot hole; 23, guide ledges; 3, base; 4, operating mechanism; 5, snap close; 51, rotation section; 52, curved surface; 6, arc-control device; 7, safety interlocking spare; 71, projection; 72, connecting plate; 8, trip bolt; 9, installing rack.
Embodiment
Below in conjunction with accompanying drawing, the utility model embodiment is described further:
shown in figure, the circuit breaker that a kind of installing accessory is threaded off automatically, comprise upper cover 1, middle cover 2, base 3, operating mechanism 4, snap close 5 and installing rack 9, described snap close 5 is articulated on installing rack 9, but described middle cover 2 is provided with the mounting groove 21 of a plurality of installation accessories modules, described accessory module and middle cover 2 phase clampings, be provided with arc-control device 6 in described base 3, described snap close 5 links with operating mechanism 4, be fixed with safety interlocking spare 7 on described upper cover 1, described safety interlocking spare 7 is provided with projection 71, described projection 71 is located at the lower end of the rotation section 51 of snap close 5, described projection 71 can make snap close 5 around its jointed shaft rotation when upper cover 1 is opened, the rotation section 51 of described snap close 5 is eccentric in the jointed shaft setting of snap close 5 and refers to the position that should be able to drive snap close 5 rotation dropouts relative to projection 71, the action of hasp strap pneumatic operating mechanism is threaded off.When circuit breaker need to increase function usually, as install shunt release, under-voltage release, auxiliary contact, Alarm contactor etc. additional, in the time of need to opening upper cover, the safety interlocking spare that be fixedly connected with upper cover this moment also can together with move, when the projection of safety interlocking spare is thus lifted to corresponding section, rotation section with snap close, projection makes snap close rotate around its jointed shaft and threads off, thereby make the operating mechanism action, breaker open operation, cut off the electricity supply, avoid operator's live line working, guarantee the safety of operator and power consumption equipment.
Described projection 71 is semicircle, and the rotation section 51 of described snap close 5 is provided with the curved surface 52 corresponding with semicircle projection 71.Described projection 71, connecting plate 72 are the integral type structure with safety interlocking spare 7.Such structure makes the installation of safety interlocking spare, convenient fixing, and can effectively make snap close thread off.Certainly in the utility model, the shape of projection also can be square other shapes such as grade, the structure such as barb also can be set on safety interlocking spare make safety interlocking spare easy for installation, snap close is threaded off, thereby make breaker open operation.
Described safety interlocking spare 7 is provided with connecting plate 72, and described connecting plate 72 is by trip bolt 8 and upper cover 1 Joint.Specifically, described upper cover 1 is provided with groove 11, is provided with the screwed hole 12 that coordinates with trip bolt 8 and the reinforcement 13 of being located at screwed hole 12 outer surfaces in described groove 11.Such structure makes screwed hole that enough intensity be arranged, and is unlikely to be twisted bad, and such structure can be so that safety interlocking spare be reliably affixed.Certainly also can adopt bearing pin to snap in mode Joint in the hole of upper cover in the utility model, can also adopt the structure of upper cover and safety interlocking spare integral type to realize the reliable movement of safety interlocking spare, thus the reliable separating brake of assurance circuit breaker.
Described upper cover 1 is provided with lead 14 and gathering sill 15, and described middle cover 2 is provided with pilot hole 22 and guide ledges 23, and described lead 14 and pilot hole 22, gathering sill 15 and guide ledges 23 are suitable.Certainly in the utility model, described lead and pilot hole are column type, described gathering sill and guide ledges and are square, such structure and can play good guide effect, certainly upper cover with in cover setting guide frame can exchange.Certainly in the present invention, also can adopt other modes that safety interlocking spare is led, make it keep to a certain extent vertical-lifting.
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 be included in this patent scope of patent protection.
Claims (6)
1. the installing accessory circuit breaker of automatically threading off, comprise upper cover (1), middle cover (2), base (3), operating mechanism (4), snap close (5) and installing rack (9), described snap close (5) is articulated on installing rack (9), described middle cover (2) but be provided with the mounting groove (21) of a plurality of installation accessories modules, described accessory module and middle cover (2) phase clamping, be provided with arc-control device (6) in described base (3), it is characterized in that: be fixed with safety interlocking spare (7) on described upper cover (1), described safety interlocking spare (7) is provided with projection (71), described projection (71) is located at the lower end of the rotation section (51) of snap close (5), described projection (71) can make snap close (5) around its jointed shaft rotation at upper cover (1) when opening.
2. the automatic circuit breaker of threading off of a kind of installing accessory according to claim 1, is characterized in that described projection (71) for semicircle, and the rotation section (51) of described snap close (5) is provided with the curved surface (52) corresponding with semicircle projection (71).
3. the automatic circuit breaker of threading off of a kind of installing accessory according to claim 1, is characterized in that described safety interlocking spare (7) is provided with connecting plate (72), and described connecting plate (72) is by trip bolt (8) and upper cover (1) Joint.
4. a kind of installing accessory according to claim 3 circuit breaker of automatically threading off, it is characterized in that described upper cover (1) is provided with groove (11), be provided with the screwed hole (12) that coordinates with trip bolt (8) in described groove (11) and be located at the reinforcement (13) of screwed hole (12) outer surface.
5. the automatic circuit breaker of threading off of according to claim 3 or 4 described a kind of installing accessories, is characterized in that described projection (71), connecting plate (72) are the integral type structure with safety interlocking spare (7).
6. a kind of installing accessory according to claim 1 circuit breaker of automatically threading off, it is characterized in that described upper cover (1) is provided with lead (14) and gathering sill (15), described middle cover (2) is provided with pilot hole (22) and guide ledges (23), and described lead (14) and pilot hole (22), gathering sill (15) and guide ledges (23) are suitable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320004522 CN202996741U (en) | 2013-01-06 | 2013-01-06 | Circuit breaker capable of automatic tripping in accessory mounting processes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320004522 CN202996741U (en) | 2013-01-06 | 2013-01-06 | Circuit breaker capable of automatic tripping in accessory mounting processes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202996741U true CN202996741U (en) | 2013-06-12 |
Family
ID=48567883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320004522 Expired - Lifetime CN202996741U (en) | 2013-01-06 | 2013-01-06 | Circuit breaker capable of automatic tripping in accessory mounting processes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202996741U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014201980A1 (en) * | 2013-06-18 | 2014-12-24 | 伊顿公司 | Safety protection device for circuit breaker |
-
2013
- 2013-01-06 CN CN 201320004522 patent/CN202996741U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014201980A1 (en) * | 2013-06-18 | 2014-12-24 | 伊顿公司 | Safety protection device for circuit breaker |
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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: 20130612 |