CN205564691U - Test device on electric leakage circuit breaker - Google Patents
Test device on electric leakage circuit breaker Download PDFInfo
- Publication number
- CN205564691U CN205564691U CN201620371848.XU CN201620371848U CN205564691U CN 205564691 U CN205564691 U CN 205564691U CN 201620371848 U CN201620371848 U CN 201620371848U CN 205564691 U CN205564691 U CN 205564691U
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- CN
- China
- Prior art keywords
- button
- circuit breaker
- extension arm
- hole
- torsion spring
- 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- Withdrawn - After Issue
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Abstract
The utility model relates to an electric leakage circuit breaker especially indicates the test device who is used for judging breaker state on the electric leakage circuit breaker. The utility model discloses a following technical scheme, a test device on electric leakage circuit breaker, its characterized in that: through -hole medial surface and the one side that is close to the torsional spring circle are provided with the lug that can prevent extension arm fracture back fracture end and put into the gap between button and the through -hole, the button lies in the inside one side of serving and keeping away from the lug of circuit breaker and is provided with the separation blade, and this separation blade shelters from the gap between button and the through -hole when the button is upspring. Thanks to the above technical scheme, the utility model provides a have and the leakage of electricity can not appear, safe in utilization, especially the torsional spring not hard up or drop after do not influence yet produce property can neotype test device on electric leakage circuit breaker.
Description
Technical field
This utility model relates to a kind of RCCB, particularly relates to the assay device for judging circuit-breaker status on RCCB.
Background technology
Assay device on existing RCCB also has; but owing to the button on experimental provision arranges unreasonable, often outlet leakage of electricity phenomenon, so brings potential safety hazard to user; additionally the torsion spring in assay device comes off can affect the performance of product, seriously can damage the function of product.
Summary of the invention
This utility model purpose is the defect in order to overcome existing RCCB assay device to exist, it is provided that one has and do not haves leakage of electricity, uses safety, and particularly torsion spring nor affects on the assay device on the novel RCCB of properties of product after loosening or coming off.
nullRealize above-mentioned purpose，This utility model adopts the following technical scheme that，A kind of assay device on RCCB，Include conductive ring or conducting block、Button and conduction torsion spring，Described conduction torsion spring includes torsion spring circle、First extension arm and the second extension arm，Wherein torsion spring snare is connected on the installation base of circuit breaker base，Described conductive ring or conducting block are fixedly installed on the boss of circuit breaker base，Button is arranged on the through hole of circuit breaker base or lid，Its one end is placed in the outside of circuit breaker base or lid，The other end is placed in circuit breaker internal，Described first extension arm is positioned at the lower section of button，Button press promotes the first extension arm to move down to become conductive contact with conductive ring or conducting block，It is characterized in that: described through hole medial surface and the side near torsion spring circle are provided with after can preventing the first extension arm fracture the end that ruptures and insert the projection in the gap between button and through hole，Described button is positioned on one end of circuit breaker internal and side away from projection is provided with catch，This catch blocks the gap between button and through hole when button is upspring.
By using such scheme, the gap that we well block and extend between button and through hole, the problem the most well solving leakage of electricity, it is in particular in: one, described through hole medial surface and the side near torsion spring circle are provided with after can preventing the first extension arm fracture the end that ruptures and insert the projection in the gap between button and through hole, the effect of this projection has two, first is to extend the gap between button and through hole, the first the most charged extension arm is just protected with the distance of button end face, the most once the first extension arm fracture, so end of fracture will be resisted by projection top, fracture end will not be made to insert or near the gap between button and through hole, well prevent the probability of electric shock in particular cases；Two, described button is positioned on one end of circuit breaker internal and side away from projection is provided with catch, this catch blocks the gap between button and through hole when button is upspring, so gap (namely creep age distance) between button and through hole not only extends, also there occurs that the change of passage, such safety substantially increase.
Of the present utility model being arranged so that described boss is cylindrical boss further, cylindrical boss is arranged with conductive ring, being provided with the first arc protection lug below described cylindrical boss, the lower section of described installation base is provided with the second arc protection chimb；Described first arc protection lug has horizontal protection lug extended near installation base side, and described second arc protection lug is near the second down-set perpendicular protection lug in extension arm one end.
By using such scheme; we well protect occur unexpected in the case of conductive ring or torsion spring change in location and affect the whole product of chopper; it is in particular in; when cylindrical boss ruptures in the case of aging long-time use; so conductive ring will not drop to circuit board or static contact or moving contact direction; additionally torsion spring is also such situation; here the shape of the first arc protection lug and the second arc protection lug is optimal way, and other shape actually can also play a role.The most horizontal protection lug and perpendicular protection lug can guide the position dropped, the safest, are actually not provided with also possible.
Of the present utility model being further arranged so that below described button is provided with draw-in groove, described first extension arm is placed in draw-in groove, on the through hole medial surface of described circuit breaker base or lid, the side corresponding with catch is provided with thickening layer, thickening layer side maintains an equal level with the obverse sidewall of through hole, and described catch blocks the gap between button and thickening layer when button is upspring.
By using such scheme, being the performance to product and safety optimizes further, additionally thickening layer is so arranged, and it can coordinate the effect playing guiding with projection, makes button move more stable.
Below in conjunction with the accompanying drawings this utility model is described further.
Accompanying drawing explanation
Fig. 1 is the axonometric chart of this utility model embodiment；
Fig. 2 is this utility model embodiment reflection button, torsion spring and the schematic diagram of conductive ring；
Fig. 3 is the axonometric chart of this utility model embodiment torsion spring；
Fig. 4 is the axonometric chart of the button of this utility model embodiment.
Detailed description of the invention
nullAs shown in Fig. 1 Fig. 4，A kind of assay device on RCCB，Include conductive ring 1 or conducting block、Button 2 and conduction torsion spring 3，Described conduction torsion spring 3 includes torsion spring circle 31、First extension arm 32 and the second extension arm 33，Wherein torsion spring circle 31 is socketed on the installation base 311 of circuit breaker base，Described conductive ring 1 or conducting block are fixedly installed on the boss 11 of circuit breaker base，Button 2 is arranged on the through hole of circuit breaker base or lid，Its one end is placed in the outside of circuit breaker base or lid，The other end is placed in circuit breaker internal，Described first extension arm 32 is positioned at the lower section of button 2，Button press 2 promotes the first extension arm 32 to move down to become conductive contact with conductive ring 1 or conducting block，These features above-mentioned the most also have，It is described that we are just not described in detail in the present embodiment，In the present embodiment，Described through hole medial surface and the side near torsion spring circle 31 are provided with after can preventing the first extension arm 32 fracture the end that ruptures and insert the projection 4 in the gap 21 between button 2 and through hole，The actually effect of this projection 4 has two，First is to extend the gap between button 2 and through hole，The first the most charged extension arm 32 is just protected with the distance of button 2 end face 22，The most once the first extension arm 32 ruptures，So end of fracture will be resisted by projection 4 top，Fracture end will not be made to insert or near the gap 21 between button 2 and through hole，Well prevent the probability of electric shock in particular cases；Described button 2 is positioned on one end of circuit breaker internal and side away from projection 4 is provided with catch 5, this catch 5 blocks the gap 21 between button 2 and through hole when button 2 is upspring, generally catch 5 is vertically arranged with button 2, catch 5 not only makes the gap 21 between button 2 and through hole extend, also there occurs the change of passage, safety substantially increases.
In this utility model embodiment; described boss 11 is cylindrical boss 11; conductive ring 1 it is arranged with on cylindrical boss 11; this selection mainly considers that installs facilitates shape; actually conducting strip is also possible; being provided with the first arc protection lug 111 below described cylindrical boss 11, the lower section of described installation base 311 is provided with the second arc protection chimb 312；Described first arc protection lug 111 has horizontal protection lug 112 extended near installation base 311 side, and described second arc protection lug 312 is near the second down-set perpendicular protection lug 313 in extension arm 33 one end.By using such scheme; we well protect occur unexpected in the case of conductive ring 1 or torsion spring 3 change in location and affect the whole product of chopper; it is in particular in; when cylindrical boss 11 ruptures in the case of aging long-time use; so conductive ring 1 will not drop to circuit board or static contact or moving contact direction; additionally torsion spring 3 is also such situation; here the shape of the first arc protection lug 111 and the second arc protection lug 312 is optimal way, and other shape actually can also play a role.The position that the most horizontal protection lug 112 and perpendicular protection lug 313 can guide conductive ring 1 and torsion spring 3 to drop, the safest, actually it is not provided with also possible.
In this utility model embodiment, it is provided with draw-in groove 23 below described button 2, described first extension arm 32 is placed in draw-in groove 23, on the through hole medial surface of described circuit breaker base or lid, the side corresponding with catch 5 is provided with thickening layer 6, thickening layer 6 side maintains an equal level with the obverse sidewall of through hole, described catch 5 blocks the gap between button 2 and thickening layer 6 when button 2 is upspring, and thickening layer 6 so arranges and can also coordinate the effect playing guiding with projection 4, makes button move more stable.
Disclosed in this utility model, be the one of preferred embodiment, all partial alterations or modification and come from the technological thought of the present invention and be prone to, by those skilled in the art, the person of deducing, neither take off patent category of the present utility model.
Claims (5)
- null1. the assay device on a RCCB，Include conductive ring or conducting block、Button and conduction torsion spring，Described conduction torsion spring includes torsion spring circle、First extension arm and the second extension arm，Wherein torsion spring snare is connected on the installation base of circuit breaker base，Described conductive ring or conducting block are fixedly installed on the boss of circuit breaker base，Button is arranged on the through hole of circuit breaker base or lid，Its one end is placed in the outside of circuit breaker base or lid，The other end is placed in circuit breaker internal，Described first extension arm is positioned at the lower section of button，Button press promotes the first extension arm to move down to become conductive contact with conductive ring or conducting block，It is characterized in that: described through hole medial surface and the side near torsion spring circle are provided with after can preventing the first extension arm fracture the end that ruptures and insert the projection in the gap between button and through hole，Described button is positioned on one end of circuit breaker internal and side away from projection is provided with catch，This catch blocks the gap between button and through hole when button is upspring.
- Assay device on RCCB the most according to claim 1; it is characterized in that: described boss is cylindrical boss; conductive ring it is arranged with on cylindrical boss; being provided with the first arc protection lug below described cylindrical boss, the lower section of described installation base is provided with the second arc protection chimb.
- Assay device on RCCB the most according to claim 1 and 2, it is characterized in that: below described button, be provided with draw-in groove, described first extension arm is placed in draw-in groove, on the through hole medial surface of described circuit breaker base or lid, the side corresponding with projection is provided with thickening layer, thickening layer side maintains an equal level with the obverse sidewall of through hole, and described projection blocks the gap between button and thickening layer when button is upspring.
- Assay device on RCCB the most according to claim 2; it is characterized in that: described first arc protection lug has horizontal protection lug extended near installation base side, and described second arc protection lug is near the second down-set perpendicular protection lug in extension arm one end.
- Assay device on RCCB the most according to claim 2, it is characterized in that: below described button, be provided with draw-in groove, described first extension arm is placed in draw-in groove, on the through hole medial surface of described circuit breaker base or lid, the side corresponding with catch is provided with thickening layer, thickening layer side maintains an equal level with the obverse sidewall of through hole, described catch blocks the gap between button and thickening layer when button is upspring, described first arc protection lug is having horizontal protection lug near installation base side is extended, described second arc protection lug is near the second down-set perpendicular protection lug in extension arm one end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620371848.XU CN205564691U (en) | 2016-04-27 | 2016-04-27 | Test device on electric leakage circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620371848.XU CN205564691U (en) | 2016-04-27 | 2016-04-27 | Test device on electric leakage circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205564691U true CN205564691U (en) | 2016-09-07 |
Family
ID=56805312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620371848.XU Withdrawn - After Issue CN205564691U (en) | 2016-04-27 | 2016-04-27 | Test device on electric leakage circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205564691U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105762043A (en) * | 2016-04-27 | 2016-07-13 | 乐清市也为电气有限公司 | Testing apparatus for residual-current circuit breaker |
-
2016
- 2016-04-27 CN CN201620371848.XU patent/CN205564691U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105762043A (en) * | 2016-04-27 | 2016-07-13 | 乐清市也为电气有限公司 | Testing apparatus for residual-current circuit breaker |
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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: 20160907 Effective date of abandoning: 20190111 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160907 Effective date of abandoning: 20190115 |
|
| AV01 | Patent right actively abandoned |