CN205564679U - Moving contact operating device of electric leakage circuit breaker - Google Patents
Moving contact operating device of electric leakage circuit breaker Download PDFInfo
- Publication number
- CN205564679U CN205564679U CN201620368583.8U CN201620368583U CN205564679U CN 205564679 U CN205564679 U CN 205564679U CN 201620368583 U CN201620368583 U CN 201620368583U CN 205564679 U CN205564679 U CN 205564679U
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- moving contact
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- tripping
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Abstract
The utility model relates to an operating device of the moving contact on low pressure electric leakage circuit breaker, the especially finger electric leakage circuit breaker. The utility model discloses a following technical scheme, a moving contact operating device of electric leakage circuit breaker, its characterized in that: including the moving contact, jump knot, contact support, latch spring, hasp and extension spring, contact support is last to be provided with long through -hole, is provided with the round pin axle in the long through -hole, both ends setting that should round pin spool is at the base of circuit breaker and cover, jump and detain the articulated upper end that sets up at contact support, establishing through the through -hole movable sleeve of setting in the middle part of the hasp and selling epaxial, the extension being provided with to cooperate with the conflict of jump knot and restricting jump knot pivoted conflict foot above the hasp, hasp below is provided with and promotes the foot and reset the foot, through adopting above -mentioned scheme, the utility model provides a length or the width ratio prior art product of circuit breaker of enabling to leak electricity is little, more can satisfy the neotype moving contact operating device of electric leakage circuit breaker of customer's needs.
Description
Technical field
This utility model relates to a kind of low-voltage electric leakage circuit breaker, particularly relates to the operating mechanism of moving contact on RCCB.
Background technology
The places such as RCCB is widely used, and is mainly used in, industry, business, residential houses, are mainly used in short circuit overload protection and earth leakage protective.Existing product 1P+N product typically uses widens product width, i.e. assembled electric leakage module or in the case of existing miniature circuit breaker base structure is constant on the basis of existing miniature circuit breaker, increasing wiring board and tripping mechanism in the upside of miniature circuit breaker or downside and leakage current assay device realizes, product width is the biggest.Or realize by lengthening product length, wiring board and assay device tripping mechanism are i.e. set in the upside of miniature circuit breaker or downside, therefore the length of RCCB must be increased, increasing of the electrical equipment used with present user, increasing of distribution loop, therefore the width of distribution box must strengthen or lengthen, but the distribution box design space in house is typically not easy change, and the most existing wider or longer RCCB can not meet the needs of user.Being badly in need of now a kind of volume little, the RCCB that breaking capacity is high fills the domestic gaps.
And existing RCCB is the most more complicated due to moving contact operating mechanism, it realizes above-mentioned function needs multiple parts jointly to complete, and the volume ratio of described mechanism is huger, is difficulty with miniaturization.
Summary of the invention
This utility model overcomes the existing big defect of RCCB volume, it is provided that the length of RCCB or width ratio prior art products can be made little, more can meet the moving contact operating mechanism of the novel RCCB of client's needs.
nullRealize above-mentioned purpose，This utility model adopts the following technical scheme that，A kind of moving contact operating mechanism of RCCB，It is characterized in that: include moving contact、Tripping、Moving contact rack、Latch spring、Snap close and extension spring，Wherein moving contact is fixedly installed on moving contact rack，Long through-hole it is provided with on moving contact rack，Bearing pin it is provided with in long through-hole，The two ends of this bearing pin are arranged on the base and cover of chopper，Described extension spring one end is connected on moving contact rack，And it is positioned at the top of long through-hole with the junction point of moving contact rack，The other end of extension spring is fixedly connected on the pedestal of chopper or fixes on the miscellaneous part being connected with pedestal，The hinged upper end being arranged on moving contact rack of described tripping，It is connected by first connecting rod between tripping and the handle of chopper，In the middle part of described snap close, the through hole by arranging is movably set on bearing pin，Snap close extends above and being provided with the conflict foot coordinating restriction tripping to rotate of can conflicting with tripping，Promotion foot and resetting pin it is provided with below described snap close，Foot is wherein promoted to be correspondingly arranged with the electrical apparatus release push rod of chopper，Push rod can promote foot to rotate thus realize snap close and rotate，Snap close rotates and makes the conflict between tripping and conflict foot unlock，At this moment moving contact rack can realize breaker open operation under the effect of extension spring，The top ends of described resetting pin is provided with spring base，Conflict on spring base in described latch spring one end，The other end is conflicted on the pedestal of chopper or fixes on the miscellaneous part being connected with pedestal，Latch spring makes promotion foot rotate to the electrical apparatus release push rod side of chopper.
By using such scheme, we well realize the miniaturization of the moving contact operating mechanism of RCCB, it is in particular in, the rotation of moving contact is to coordinate realization by moving contact rack and extension spring, the process of moving contact motion is, when static contact closes a floodgate, the conflict foot of snap close is conflicted with tripping and is coordinated restriction tripping to rotate, when RCCB a situation arises action, the electrical apparatus release push rod of chopper promotes foot to rotate thus realizes snap close and rotate, snap close rotates and makes the conflict between tripping and conflict foot unlock, at this moment moving contact rack rotates under the effect of extension spring and realizes breaker open operation, handle is also to turn to gate-dividing state simultaneously；During combined floodgate, turning handle, at this time first connecting rod drives tripping and moving contact rack to rotate around bearing pin, until moving contact contacts with static contact, at this time handle is rotated further, and now owing to moving contact has contacted with static contact, change in location will not occur, so moving contact rack can only whole movement, making bearing pin contact with the left side of long through-hole, the contact so making moving contact and static contact is more tight, and ensures the good contact of moving contact and static contact.
Of the present utility model be arranged so that further below described moving contact rack and be positioned on pedestal side cavity volume is set, described moving contact upper end snaps in cavity volume and realizes being connected with the fixing of moving contact rack, the long through-hole of described moving contact rack is positioned at cavity volume portion, described moving contact upper end is provided with the moving contact long through-hole corresponding with the long through-hole of moving contact rack, described bearing pin is arranged through long through-hole and moving contact long through-hole, the top ends of described resetting pin is additionally provided with connecting hole, connecting on this connecting hole and have second connecting rod, the other end of second connecting rod is conflicted is provided with bimetal leaf.
By using such scheme, making the structure of this product more reasonable, wherein easy to connect between moving contact and moving contact rack, additionally long through-hole and moving contact long through-hole constitute the connection through hole of bearing pin, so making moving contact rack and moving contact all by the power of bearing pin, motion ratio is more firm.
Of the present utility model being arranged so that further in described tripping is provided with chuck, the conflict shoulder rank that being provided with on described conflict foot conflicts with tripping chuck coordinates, the connection through hole connected for first connecting rod it is provided with in described tripping, it is provided with arcuate groove above described moving contact rack and with the position connecting through hole corresponding of tripping, after described first connecting rod is connected in tripping, its traversing through end is placed in arcuate groove, and can sliding in arcuate groove.
By using such scheme, make the conflict match ratio between tripping and conflict foot more firm, after additionally first connecting rod is in tripping, its traversing through end is placed in arcuate groove, and can sliding in arcuate groove, so rotation to tripping with moving contact rack is defined, making cooperation between the two more reasonable, we can also be not provided with arcuate groove and first connecting rod does not the most pass setting certainly, and the length only by first connecting rod is defined coordinating between the two.
The elongated hole being finally arranged so that on described moving contact rack and being positioned at that long through-hole is provided above hanging for extension spring of the present utility model, the convex tendon of arc convex on the promotion foot of described snap close and it is provided with near moving contact side, when snap close is switched off the electrical apparatus release push rod promotion rotation of device, the convex tendon top of foot is promoted to conflict with moving contact.
By using such scheme, wherein arranging of elongated hole facilitates extension spring to connect, additionally snap close be switched off device electrical apparatus release push rod promote rotate time, conflict with moving contact in the convex tendon top promoting foot, so when disjunction, convex tendon top contacts with moving contact, and now moving contact temperature is higher, and therefore convex tendon top and moving contact are linear contact lay, contact area is little, and snap close damage is little.
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 "on" position；
Fig. 2 is the axonometric chart of this utility model embodiment gate-dividing state；
Fig. 3 is the axonometric chart in this utility model embodiment making process；
Fig. 4 is the axonometric chart that this utility model embodiment reflects moving contact rack and extension spring relation when combined floodgate critical point；
Fig. 5 is the axonometric chart of this utility model embodiment moving contact rack；
Fig. 6 is the schematic diagram that Fig. 5 reflects structure below；
Fig. 7 is the axonometric chart of this utility model embodiment snap close；
Fig. 8 is the schematic diagram that Fig. 7 reflects below；
Fig. 9 is moving contact structure schematic diagram；
Figure 10 is the use state diagram of this utility model embodiment；
Figure 11 is the axonometric chart of this utility model embodiment tripping.
Detailed description of the invention
nullAs Figure 1-Figure 11，A kind of moving contact operating mechanism of RCCB，Include moving contact 6、Tripping 1、Moving contact rack 2、Latch spring 3、Snap close 4 and extension spring 5，Wherein moving contact 6 is fixedly installed on moving contact rack 2，Long through-hole 21 it is provided with on moving contact rack 2，Bearing pin 7 it is provided with in long through-hole 21，The two ends of this bearing pin 7 are arranged on the base and cover of chopper，Here bearing pin 7 is arranged on pedestal or to cover can be that indirectly to arrange can also be directly to arrange，It is primarily referred to as bearing pin 7 relative to base and cover is fixing. the connected mode about bearing pin 7 with base and cover is the most also common，Described extension spring 5 one end is connected on moving contact rack 2，And it is positioned at the top of long through-hole 21 with the junction point of moving contact rack 2，Here top refers to the side near first connecting rod 8，So lower moving contact support 2 that pulls of extension spring 5 can rotate around bearing pin 7，And the moving contact 6 below bearing pin 7 just can realize the disconnection campaign between static contact，The other end of extension spring 5 is fixedly connected on the pedestal of chopper or fixes on the miscellaneous part being connected with pedestal，The hinged upper end being arranged on moving contact rack 2 of described tripping 1，It is connected by first connecting rod 8 between tripping 1 and the handle 9 of chopper，Also have about acting in common chopper of first connecting rod 8，So the most function and motion mode to first connecting rod 8 are not described further，In the middle part of described snap close 4, the through hole 41 by arranging is movably set on bearing pin 7，Snap close 4 extends above and being provided with the conflict foot 42 coordinating restriction tripping 1 to rotate of can conflicting with tripping 1，Tripping 1 is realized conflicting locking or unlocking cooperation by conflict foot 42，When locking when conflicting, the upper end of moving contact rack 2 just realizes fixing，So extension spring 5 just cannot pull moving contact 6，Promotion foot 43 and resetting pin 44 it is provided with below described snap close 5，Foot 43 is wherein promoted to be correspondingly arranged with the electrical apparatus release push rod 10 of chopper，Push rod 10 can promote foot 43 to rotate thus realize snap close 4 and rotate，Snap close 4 rotates and makes the conflict between tripping 1 and conflict foot 43 unlock，At this moment moving contact rack 2 can realize breaker open operation under the effect of extension spring 5，The top ends of described resetting pin 44 is provided with spring base 441，Conflict on spring base 441 in described latch spring 3 one end，The other end is conflicted on the pedestal of chopper or fixes on the miscellaneous part being connected with pedestal，Latch spring 3 makes promotion foot 44 rotate to electrical apparatus release push rod 10 side of chopper.By using such scheme, we well realize the miniaturization of the moving contact operating mechanism of RCCB, it is in particular in, the rotation of moving contact 6 is to coordinate realization by dynamic snap close 4, tripping 1, contact supporting 2 with extension spring 5, so simple several parts just realize moving contact and swing, very convenient.The process that moving contact 6 specifically moves is, when static contact closes a floodgate, the conflict foot 42 of snap close 4 is conflicted with tripping 1 and is coordinated restriction tripping to rotate, when RCCB a situation arises action, the electrical apparatus release push rod 10 of chopper promotes foot 43 to rotate thus realizes snap close 4 and rotate, snap close 4 rotates and makes the conflict between tripping 1 and conflict foot 42 unlock, and at this moment moving contact rack 2 rotates under the effect of extension spring 5 and realizes breaker open operation, and handle 9 is also to turn to gate-dividing state simultaneously；Feed motion, handle 9 the most rotationally clockwise time, drive first connecting rod 8 action to the right, first connecting rod 8 promotes long through-hole 21 right edge of the relative moving contact rack 2 of tripping 1 to coordinate with bearing pin conflict, continue rotationally clockwise handle 9 time, snap close 4 continues around bearing pin 7 rotationally clockwise, meanwhile moving contact rack 2 and moving contact 6 are under tripping 1 promotes and under the pulling force effect of extension spring 5, around movable contact 6 with static contact contact point rotationally clockwise, now long through-hole 21 right edge on moving contact rack 2 departs from bearing pin, produce overtravel, when handle 9 can not continue to press on, RCCB product closes.The contact so making moving contact 6 and static contact is more tight, and ensures the good contact of moving contact 6 and static contact.
In this utility model embodiment, below described moving contact rack 2 and be positioned on pedestal side cavity volume 22 is set, described moving contact 6 upper end snaps in cavity volume 22 and realizes being connected with the fixing of moving contact rack 2, so easy to connect between moving contact 6 and moving contact rack 2, the long through-hole 21 of described moving contact rack 2 is positioned at cavity volume 22, described moving contact 6 upper end is provided with the moving contact long through-hole 61 corresponding with the long through-hole 21 of moving contact rack 2, described bearing pin 7 is arranged through long through-hole 21 and moving contact long through-hole 61, so make moving contact rack 2 and moving contact 6 all by the power of bearing pin 7, motion ratio is more firm.The top ends of the resetting pin 44 of described snap close 4 is additionally provided with connecting hole 442; connect on this connecting hole 442 and have second connecting rod 4421; conflicting on the other end of second connecting rod 4421 and be provided with bimetal leaf 4422, such bimetal leaf 4422 can control snap close 4 and move thus realize overload protection.
nullIn this utility model embodiment，It is provided with chuck 11 in described tripping 1，The conflict shoulder rank 421 that being provided with on the conflict foot 42 of described snap close 4 conflicts with tripping chuck 11 coordinates，Here chuck 11 or shoulder rank 421 of conflicting coordinate us that other mode can also be used to realize，Such as inclined-plane conflict cooperation etc.，Its objective is that convenient conflict between the two coordinates，Realize needs when, fix moving contact rack upper end，The connection through hole 12 connected for first connecting rod 8 it is provided with in described tripping 1，It is provided with arcuate groove 23 above described moving contact rack 2 and with the position connecting through hole 12 corresponding of tripping 1，After described first connecting rod 8 is connected in tripping 1, its traversing through end is placed in arcuate groove 23，And can sliding in arcuate groove 23，So rotation to tripping 1 with moving contact rack 2 is defined，Make cooperation between the two more reasonable，Certainly we can also be not provided with arcuate groove 23 and first connecting rod 8 does not the most pass setting，Length only by first connecting rod 8 is defined coordinating between the two.
In this utility model embodiment, on described moving contact rack 2 and be positioned at the elongated hole 24 that long through-hole 21 is provided above hanging for extension spring, extension spring 5 is so facilitated to connect, the convex tendon 431 of arc convex on the promotion foot 43 of described snap close 4 and it is provided with near moving contact 6 side, when snap close 4 is switched off the electrical apparatus release push rod 10 promotion rotation of device, conflict with moving contact 6 in convex tendon 431 top promoting foot 43, now moving contact temperature is higher, therefore convex tendon 431 top and moving contact 6 are linear contact lay, contact area is little, and snap close 4 damages little.
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 moving contact operating mechanism of a RCCB，It is characterized in that: include moving contact、Tripping、Moving contact rack、Latch spring、Snap close and extension spring，Wherein moving contact is fixedly installed on moving contact rack，Long through-hole it is provided with on moving contact rack，Bearing pin it is provided with in long through-hole，The two ends of this bearing pin are arranged on the base and cover of chopper，Described extension spring one end is connected on moving contact rack，And it is positioned at the top of long through-hole with the junction point of moving contact rack，The other end of extension spring is fixedly connected on the pedestal of chopper or fixes on the miscellaneous part being connected with pedestal，The hinged upper end being arranged on moving contact rack of described tripping，It is connected by first connecting rod between tripping and the handle of chopper，In the middle part of described snap close, the through hole by arranging is movably set on bearing pin，Snap close extends above and being provided with the conflict foot coordinating restriction tripping to rotate of can conflicting with tripping，Promotion foot and resetting pin it is provided with below described snap close，Foot is wherein promoted to be correspondingly arranged with the electrical apparatus release push rod of chopper，Push rod can promote foot to rotate thus realize snap close and rotate，Snap close rotates and makes the conflict between tripping and conflict foot unlock，At this moment moving contact rack can realize breaker open operation under the effect of extension spring，The top ends of described resetting pin is provided with spring base，Conflict on spring base in described latch spring one end，The other end is conflicted on the pedestal of chopper or fixes on the miscellaneous part being connected with pedestal，Latch spring makes promotion foot rotate to the electrical apparatus release push rod side of chopper.
- The moving contact operating mechanism of RCCB the most according to claim 1, it is characterized in that: below described moving contact rack and be positioned on pedestal side cavity volume is set, described moving contact upper end snaps in cavity volume and realizes being connected with the fixing of moving contact rack, the long through-hole of described moving contact rack is positioned at cavity volume portion, described moving contact upper end is provided with the moving contact long through-hole corresponding with the long through-hole of moving contact rack, described bearing pin is arranged through long through-hole and moving contact long through-hole, the top ends of described resetting pin is additionally provided with connecting hole, connect on this connecting hole and have second connecting rod, conflict on the other end of second connecting rod and be provided with bimetal leaf.
- The moving contact operating mechanism of RCCB the most according to claim 1 and 2, it is characterized in that: in described tripping, be provided with chuck, the conflict shoulder rank that being provided with on described conflict foot conflicts with tripping chuck coordinates, the connection through hole connected for first connecting rod it is provided with in described tripping, it is provided with arcuate groove above described moving contact rack and with the position connecting through hole corresponding of tripping, after described first connecting rod is connected in tripping, its traversing through end is placed in arcuate groove, and can sliding in arcuate groove.
- The moving contact operating mechanism of RCCB the most according to claim 1 and 2, it is characterized in that: on described moving contact rack and be positioned at the elongated hole that long through-hole is provided above hanging for extension spring, the convex tendon of arc convex on the promotion foot of described snap close and it is provided with near moving contact side, when snap close is switched off the electrical apparatus release push rod promotion rotation of device, the convex tendon top of foot is promoted to conflict with moving contact.
- The moving contact operating mechanism of RCCB the most according to claim 3, it is characterized in that: on described moving contact rack and be positioned at the elongated hole that long through-hole is provided above hanging for extension spring, the convex tendon of arc convex on the promotion foot of described snap close and it is provided with near moving contact side, when snap close is switched off the electrical apparatus release push rod promotion rotation of device, the convex tendon top of foot is promoted to conflict with moving contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620368583.8U CN205564679U (en) | 2016-04-27 | 2016-04-27 | Moving contact operating device of electric leakage circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620368583.8U CN205564679U (en) | 2016-04-27 | 2016-04-27 | Moving contact operating device of electric leakage circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205564679U true CN205564679U (en) | 2016-09-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620368583.8U Withdrawn - After Issue CN205564679U (en) | 2016-04-27 | 2016-04-27 | Moving contact operating device of electric leakage circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205564679U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105762033A (en) * | 2016-04-27 | 2016-07-13 | 乐清市也为电气有限公司 | Moving contact operating mechanism for residual-current circuit breaker |
| CN108198736A (en) * | 2018-02-02 | 2018-06-22 | 乐清市也为电气有限公司 | A kind of contact operating mechanism of breaker |
| CN108231494A (en) * | 2017-12-26 | 2018-06-29 | 温州奥来电器有限公司 | A kind of combination leakage circuit breakers with overload protection |
-
2016
- 2016-04-27 CN CN201620368583.8U patent/CN205564679U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105762033A (en) * | 2016-04-27 | 2016-07-13 | 乐清市也为电气有限公司 | Moving contact operating mechanism for residual-current circuit breaker |
| WO2017185933A1 (en) * | 2016-04-27 | 2017-11-02 | 乐清市也为电气有限公司 | Movable contact operating mechanism of leakage circuit breaker |
| CN105762033B (en) * | 2016-04-27 | 2018-09-07 | 乐清市也为电气有限公司 | A kind of moving contact operating mechanism of leakage circuit breakers |
| CN108231494A (en) * | 2017-12-26 | 2018-06-29 | 温州奥来电器有限公司 | A kind of combination leakage circuit breakers with overload protection |
| CN108198736A (en) * | 2018-02-02 | 2018-06-22 | 乐清市也为电气有限公司 | A kind of contact operating mechanism of breaker |
| EP3748665A4 (en) * | 2018-02-02 | 2021-11-03 | Yueqing Yewei Electric Co., Ltd | Contact operating mechanism of circuit breaker |
| CN108198736B (en) * | 2018-02-02 | 2024-04-12 | 浙江奥来电器有限公司 | Contact operating mechanism of 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: 20180907 |
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| AV01 | Patent right actively abandoned |