CN201289829Y - Bipolar creepage breaker - Google Patents
Bipolar creepage breaker Download PDFInfo
- Publication number
- CN201289829Y CN201289829Y CNU2008201666626U CN200820166662U CN201289829Y CN 201289829 Y CN201289829 Y CN 201289829Y CN U2008201666626 U CNU2008201666626 U CN U2008201666626U CN 200820166662 U CN200820166662 U CN 200820166662U CN 201289829 Y CN201289829 Y CN 201289829Y
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- CN
- China
- Prior art keywords
- connector
- connecting rod
- earth leakage
- leakage protective
- shaped connecting
- 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
The utility model relates to a double-pole creepage circuit breaker. The utility model adopts the technical scheme as follows: the double-pole creepage circuit breaker comprises a casing, a handle, an operating mechanism, a moving contact and a fixed contact; a creepage protection cavity and a circuit-breaking cavity are arranged on the casing; a creepage protection mechanism is arranged in the creepage protection cavity; a circuit-breaking mechanism is arranged in the circuit-breaking cavity; the operating mechanism forms the linkage of a handle of the creepage protection mechanism and a bracket in the circuit-breaking mechanism through an U-shaped connecting rod; the bracket drives the moving and the fixed contacts in the circuit-breaking mechanism to close and open; the U-shaped connecting rod is linked with the bracket through a connecting piece; the connecting piece is hinged in the creepage protection cavity and is combined with the moving contact in the creepage protection mechanism in a propping manner, so as to form the opening and the closing of the moving and fixed contacts in the creepage protection mechanism; and one end of the U-shaped connecting rod is inserted into the handle of the creepage protection mechanism, while the other end thereof is inserted into the connecting piece. By adopting the technical scheme, the utility model has the advantages of simple structure and good synchronization.
Description
Technical field
The utility model relates to a kind of bipolar residual current circuit breaker.
Background technology
Circuit breaker develops into leakage, breaking by traditional opening circuit, passed through one section very long process, at present, on the market some are divided into two parts with the housing of circuit breaker, be respectively earth leakage protective mechanism and disconnecting mechanism, two mechanisms are in the cavitys different on the housing, and by a handle control, for two mechanisms can be linked, arranging of its inner components also can change, present existing problem mainly is a complex structure, volume is much, and the interlock between earth leakage protective mechanism and the disconnecting mechanism mainly relies on the connecting rod that is provided with between it, and the operating mechanism of circuit breaker directly links to electric leakage mechanism and disconnecting mechanism by connecting rod, and its synchronism is difficult to unified; As everyone knows, circuit breaker itself need reach speed and open the function that speed is closed, if interlock of parts is asynchronous in it, then can cause the short circuit of entire circuit, loses illegal appraisal; Connecting rod mostly is metal material, and is very likely crooked through using for a long time, and its two ends unbalance stress of crooked back also can cause interlock asynchronous.
Summary of the invention
At the deficiency that prior art exists, the utility model provides a kind of simple in structure, bipolar residual current circuit breaker that synchronism is good.
For achieving the above object; the utility model provides following technical scheme: a kind of bipolar residual current circuit breaker; include housing; handle; operating mechanism; moving; fixed contact; described housing is provided with the earth leakage protective chamber and the chamber of opening circuit; described earth leakage protective is provided with earth leakage protective mechanism in the chamber; open circuit and be provided with disconnecting mechanism in the chamber; described operating mechanism constitutes the handle and the interlock of the support in the disconnecting mechanism of earth leakage protective mechanism by the U-shaped connecting rod; support drives in the disconnecting mechanism moving; fixed contact deciliter; described U-shaped connecting rod is by connector and support interlock; this connector is articulated in the earth leakage protective chamber; and be to compress and cooperate with moving contact in the earth leakage protective mechanism; constitute in the earth leakage protective mechanism moving; fixed contact deciliter, described U-shaped connecting rod one end is plugged on the handle of earth leakage protective mechanism, the other end is plugged on the connector.
U-shaped connecting rod is by connector and support interlock in this, this connector is articulated in the earth leakage protective chamber, and be to compress and cooperate with moving contact in the earth leakage protective mechanism, constitute dynamic and static contact in the earth leakage protective mechanism deciliter, described U-shaped connecting rod one end is plugged on the handle of earth leakage protective mechanism, and the other end is plugged on the connector; Being provided with has like this avoided the U-shaped connecting rod directly to be connected with support; and adopted connector to impel being connected of U-shaped connecting rod and support; prevent that the U-shaped connecting rod from deforming after using for a long time; the interlock that has influence on earth leakage protective mechanism and disconnecting mechanism is synchronous; here need to prove that it also is feasible in the chamber of opening circuit that the U-shaped connecting rod extends to outside housing.
The utility model further is set to: described connector is bending setting; comprise minor face and the long limit that is connected with minor face; the top of described minor face is articulated in the earth leakage protective chamber by bearing pin; the top on long limit is the working end; place, described working end is provided with projection; the corresponding position of projection is provided with through hole on described disconnecting mechanism medium-height trestle and the connector; projection on the connector sees through the through hole grafting of earth leakage protective chamber and the open circuit long perforate on the dividing plate and support between the chamber; constitute being linked of connector and support; connector is provided with and the adaptive installing hole of U-shaped connecting rod diameter towards the end face of U-shaped connecting rod, constitutes being linked of U-shaped connecting rod and connector.
Be provided with simple in structurely in this, connect compact, and easy to process.
The utility model further is set to: be provided with back-moving spring between the moving contact in described connector minor face and the earth leakage protective mechanism; connector towards the installing hole on the U-shaped connecting rod end face with it on projection be coaxial setting, and two of U-shaped connecting rod work angular length degree unanimity.
Be provided with back-moving spring between the moving contact in connector minor face and the earth leakage protective mechanism in this; be provided with like this is for moving contact can be fast realized deciliter with fixed contact; thereby guarantee its stability, two work angular length degree unanimities of U-shaped connecting rod can guarantee further that then the U-shaped connecting rod can the bending distortion not take place easily through long use.
Below in conjunction with accompanying drawing the utility model is further described:
Description of drawings
Fig. 1 is the structural representation in earth leakage protective chamber among the utility model embodiment 1;
Fig. 2 is the structural representation in the chamber of opening circuit among the utility model embodiment 1;
Fig. 3 is the decomposing schematic representation of handle in connector and U-shaped connecting rod, support and the earth leakage protective mechanism among the utility model embodiment 1;
Fig. 4 is the schematic perspective view of handle in connector and U-shaped connecting rod, support and the earth leakage protective mechanism among the utility model embodiment 1;
Fig. 5 is the schematic perspective view of the utility model embodiment 1 middle shell;
Fig. 6 is the decomposing schematic representation of handle in connector and U-shaped connecting rod, support and the earth leakage protective mechanism among the utility model embodiment 2.
Embodiment
As Fig. 1; Fig. 2; Fig. 3; Fig. 4; a kind of bipolar residual current circuit breaker shown in Figure 5; include housing 1; handle 2; operating mechanism 3; moving contact and fixed contact; described housing 1 is provided with earth leakage protective chamber 11 and the chamber 12 of opening circuit; be provided with earth leakage protective mechanism 4 in the described earth leakage protective chamber 11; open circuit and be provided with disconnecting mechanism 5 in the chamber 12; described operating mechanism 3 constitutes the handle 2 and 51 interlocks of the support in the disconnecting mechanism 5 of earth leakage protective mechanism 4 by U-shaped connecting rod 31; here need to prove; earth leakage protective mechanism 4 and disconnecting mechanism 5 shared handles 2; be that the handle 2 of earth leakage protective mechanism 4 is realized earth leakage protectives and opened circuit; described support 51 drive moving contact 52 and fixed contact 53 in the disconnecting mechanisms 5 deciliter; described U-shaped connecting rod 31 is by connector 6 and support 51 interlocks; this connector 6 is articulated in the earth leakage protective chamber 11; and be to compress and cooperate with moving contact 41 in the earth leakage protective mechanism 4; constitute moving contact 41 and fixed contact 42 in the earth leakage protective mechanism 4 deciliter; described U-shaped connecting rod 31 1 ends are plugged on the handle 2 of earth leakage protective mechanism 4; the other end is plugged on the connector 6; after being provided with like this; U-shaped connecting rod 31 just can be connected with support 51 by connector 6; if U-shaped connecting rod 31 directly is connected with support 51; two angles 311 on the U-shaped connecting rod 31 can cause unbalance stress generation bending distortion owing to using for a long time, thereby have influence on the synchronous of connection.
In the utility model embodiment 1, described connector 6 is bending setting, comprise minor face 61 and the long limit 62 that is connected with minor face 61, the top of described minor face 61 is articulated in the earth leakage protective chamber 11 by bearing pin 7, the top on long limit 62 is the working end, place, described working end is provided with projection 621, the corresponding position of projection 621 is provided with through hole 511 on described disconnecting mechanism 5 medium-height trestles 51 and the connector 6, projection 621 on the connector 6 sees through through hole 511 grafting of earth leakage protective chamber 11 and the open circuit long perforate on the dividing plate 13 14 and support 51 between the chamber 12, constitute being linked of connector 6 and support 51, connector 6 is provided with the installing hole 63 adaptive with U-shaped connecting rod 31 diameters towards the end face of U-shaped connecting rod 31, constitute being linked of U-shaped connecting rod 31 and connector 6, connector 6 also is provided with one " recessed " shape frame 64 on the end face of U-shaped connecting rod 31, the pressure side 411 that is subjected to of moving contact 41 is between connector 6 and " recessed " shape frame 64 in the earth leakage protective mechanism 4, " recessed " shape frame 64 on the connector 6 can play the effect that compresses moving contact 41 in the earth leakage protective mechanism 4, can prevent that also moving contact 41 from skidding off from it, have the bidirectional protective effect; Be provided with back-moving spring 8 between the moving contact 41 in connector 6 minor faces 61 and the earth leakage protective mechanism 4, being provided with like this is for moving contact 41 can be fast realized deciliter with fixed contact 42, thereby guarantees its stability; Connector 6 towards the installing hole 63 on U-shaped connecting rod 31 end faces with it on projection 621 be coaxial setting; be provided with like this is in order to keep its synchronism equally; two work angle 311 length unanimities of U-shaped connecting rod 31; can guarantee further that U-shaped connecting rod 31 can the bending distortion not take place easily through long use; in the utility model embodiment 1; U-shaped connecting rod 31 extends to the chamber 12 of opening circuit by the projection on the connector 6 621 and is connected with support 51 from earth leakage protective chamber 11; described U-shaped connecting rod 31 also can directly penetrate handle 2 back certainly and be connected with support 51 or penetrate the handle 2 back connectors 6 that pass through and be connected with support 51; this mode with reference to the utility model after, the person skilled in art is easy to just can expect.
As shown in Figure 6; in the utility model embodiment 2; described connector 6 is bending setting; comprise minor face 61 and the long limit 62 that is connected with minor face 61; the top of described minor face 61 is hinged with the inwall in earth leakage protective chamber 11 by bearing pin 7; the top on long limit 62 is the working end; place, described working end is provided with groove 622; described disconnecting mechanism 5 medium-height trestles 51 are provided with joint pin 512 with the corresponding position of connector 6 upper grooves 622; 51 joint pin 512 sees through the long perforate 14 of dividing plate 13 of opening circuit between chamber 12 and the earth leakage protective chamber 11 and pegs graft with the groove 622 on the connector 6 on the support, being linked of formation support 51 and connector 6.
Claims (4)
1; a kind of bipolar residual current circuit breaker; include housing; handle; operating mechanism; moving; fixed contact; described housing is provided with the earth leakage protective chamber and the chamber of opening circuit; described earth leakage protective is provided with earth leakage protective mechanism in the chamber; open circuit and be provided with disconnecting mechanism in the chamber; described operating mechanism constitutes the handle and the interlock of the support in the disconnecting mechanism of earth leakage protective mechanism by the U-shaped connecting rod; support drives in the disconnecting mechanism moving; fixed contact deciliter; it is characterized in that: described U-shaped connecting rod is by connector and support interlock; this connector is articulated in the earth leakage protective chamber; and be to compress and cooperate with moving contact in the earth leakage protective mechanism; constitute in the earth leakage protective mechanism moving; fixed contact deciliter; described U-shaped connecting rod one end is plugged on the handle of earth leakage protective mechanism, and the other end is plugged on the connector.
2; bipolar residual current circuit breaker according to claim 1; it is characterized in that: described connector is bending setting; comprise minor face and the long limit that is connected with minor face; the top of described minor face is articulated in the earth leakage protective chamber by bearing pin; the top on long limit is the working end; place, described working end is provided with projection; the corresponding position of projection is provided with through hole on described disconnecting mechanism medium-height trestle and the connector; projection on the connector sees through earth leakage protective chamber and the long perforate of offering on the dividing plate between the chamber and the through hole grafting of support of opening circuit; constitute being linked of connector and support; connector is provided with and the adaptive installing hole of U-shaped connecting rod diameter towards the end face of U-shaped connecting rod, constitutes being linked of U-shaped connecting rod and connector.
3; bipolar residual current circuit breaker according to claim 1; it is characterized in that: described connector is bending setting; comprise minor face and the long limit that is connected with minor face; the top of described minor face is hinged by the inwall in bearing pin and earth leakage protective chamber; the top on long limit is the working end; place, described working end is provided with groove; the corresponding position of described disconnecting mechanism medium-height trestle and connector upper groove is provided with joint pin; joint pin on the support sees through long perforate and the groove of offering on the dividing plate between chamber and the earth leakage protective chamber on the connector that open circuit and pegs graft; constitute being linked of support and connector; connector is provided with and the adaptive installing hole of U-shaped connecting rod diameter towards the end face of U-shaped connecting rod, constitutes being linked of U-shaped connecting rod and connector.
4, according to claim 2 or 3 described bipolar residual current circuit breaker; it is characterized in that: be provided with back-moving spring between the moving contact in described connector minor face and the earth leakage protective mechanism; connector towards the installing hole on the U-shaped connecting rod end face with it on projection be coaxial setting, and two of U-shaped connecting rod work angular length degree unanimity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201666626U CN201289829Y (en) | 2008-10-21 | 2008-10-21 | Bipolar creepage breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201666626U CN201289829Y (en) | 2008-10-21 | 2008-10-21 | Bipolar creepage breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201289829Y true CN201289829Y (en) | 2009-08-12 |
Family
ID=40981513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201666626U Expired - Lifetime CN201289829Y (en) | 2008-10-21 | 2008-10-21 | Bipolar creepage breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201289829Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018082385A1 (en) * | 2016-11-02 | 2018-05-11 | 乐清市也为电气有限公司 | Disconnect switch |
-
2008
- 2008-10-21 CN CNU2008201666626U patent/CN201289829Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018082385A1 (en) * | 2016-11-02 | 2018-05-11 | 乐清市也为电气有限公司 | Disconnect switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: DELIXI ELECTRICAL ( NINGBO ) CO., LTD. Free format text: FORMER OWNER: DELIXI ELECTRIC APPLICANCE CO., LTD. Effective date: 20091016 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20091016 Address after: No. 1958 Jiangnan Road, hi tech Zone, Zhejiang, Ningbo Province: 315000 Patentee after: Delixi Electric (Ningbo) Co., Ltd. Address before: Yueqing City, Zhejiang Province, West Liushi high tech Industrial Park, zip code: 325600 Patentee before: Delixi Electric Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090812 |