CN201417722Y - Double-break moulded case circuit breaker with improved structure - Google Patents
Double-break moulded case circuit breaker with improved structure Download PDFInfo
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- CN201417722Y CN201417722Y CN2009200464941U CN200920046494U CN201417722Y CN 201417722 Y CN201417722 Y CN 201417722Y CN 2009200464941 U CN2009200464941 U CN 2009200464941U CN 200920046494 U CN200920046494 U CN 200920046494U CN 201417722 Y CN201417722 Y CN 201417722Y
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- rotor
- arm
- hole
- tiller
- bindiny mechanism
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Abstract
The utility model discloses a double-break moulded case circuit breaker with an improved structure, belonging to the technical field of a low-voltage apparatus. The double-break moulded case circuit breaker comprises an operating mechanism, a plurality of unipolar units and at least one connecting mechanism, wherein each unipolar unit is internally provided with an arc-extinguishing chamber, a static contact module and a moving contact module; the moving contact module comprises a moving contact and a rotor; the unipolar units form a multipolar circuit breaker side by side; the rotors in the moving contact modules are connected together by the connecting mechanism which is connected with the operating mechanism; the operating mechanism comprises an operating handle, a handle lever and a lower connecting rod, wherein one end of the handle lever is pivoted on a locating shaft at a side plate of the mechanism, and the other end of the handle lever is fixedly connected with the operating handle. The double-break moulded case circuit breaker is characterized in that one end of the handle lever is provided with a first arm used for contacting the connecting mechanism and a second arm used for matching with the locating shaft of the side plate of the mechanism in an extending way. The double-break moulded case circuit breaker has the advantages of simple structure and convenient installation, and can avoid the electric shock accidents caused by error indication of the operating handle in the maintenance process.
Description
Technical field
The utility model relates to a kind of breaker with double breaks and plastic case, is to the structural improvement of existing rotary breaker with double breaks and plastic case operating mechanism, belongs to the low voltage electrical apparatus technology field.
Background technology
Existing breaker with double breaks and plastic case, mainly comprise operating mechanism, a plurality of single pole units and at least one bindiny mechanism, comprise arc control device in each single pole units, fixed contact and motive contact module, motive contact module comprises moving contact and is used to hold the rotor of moving contact, a plurality of single pole units constitute a multipole circuit breaker side by side, at least one bindiny mechanism is linked together each rotor in the motive contact module, so that rotor moves simultaneously, and be connected with operating mechanism, can realize the branch and the closing operation of moving contact and fixed contact, operating mechanism comprises operating grip, tiller, with the lower link that is used for cooperating with bindiny mechanism, the one end hub setting rotationally of tiller is on the locating shaft of mechanism's side plate, and the other end of tiller constitutes with operating grip fixedlys connected.Above-mentioned breaker with double breaks and plastic case and traditional breaker of plastic casing are similar, have three states when the indication electric signal, promptly connect, disconnect and thread off.When the breaker operator handle is pushed the disjunction position to from on-position, corresponding contact system is transferred to by closure and disconnects and keep certain distance of opening; When handle was in the disjunction position, the operating personnel thought that circuit disconnects, and can carry out the maintenance work of subordinate.The problem of its existence is: sometimes melting welding can take place in moving contact and fixed contact under abnormal conditions, this moment is when operating grip makes the circuit breaker disjunction, even handle arrives open position, but it is closed that moving contact and fixed contact remain, and circuit does not disconnect, in this case, make the operating personnel think that circuit disconnects by mistake easily, be safe, and carry out maintenance activity, major accident may take place in this.
Summary of the invention
Task of the present utility model is that a kind of structure improved breaker with double breaks and plastic case will be provided, it is not only simple in structure, easy for installation, and take place in the sound contact under the situation of melting welding, can guarantee that operating grip can't shift the disjunction position onto, avoid because the mistake indication of operating grip and in the maintenance activity process, electric shock accidents takes place.
Task of the present utility model is finished like this, a kind of structure improved breaker with double breaks and plastic case, comprise operating mechanism, a plurality of single pole units and at least one bindiny mechanism, comprise arc control device in each single pole units, fixed contact and motive contact module, motive contact module comprises moving contact and is used to hold the rotor of moving contact, a plurality of single pole units constitute a multipole circuit breaker side by side, at least one bindiny mechanism is linked together each rotor in the motive contact module, so that rotor moves simultaneously, and be connected with operating mechanism, can realize the branch and the closing operation of moving contact and fixed contact, operating mechanism comprises operating grip, tiller, with the lower link that is used for cooperating with bindiny mechanism, the one end hub setting rotationally of tiller is on the locating shaft of mechanism's side plate, the other end of tiller constitutes with operating grip fixedlys connected, be characterized in: extended a first arm and one second arm on the end that is used for articulating at described tiller with locating shaft, the described the first arm and second arm lay respectively at the both sides of locating shaft, under the situation that dynamic/static contact generation melting welding connects, operating grip from closing position when the open position direction moves, described the first arm is used for contacting with described bindiny mechanism and stops handle to arrive open position, and described second arm is used for realizing screens and can avoid tiller to be that fulcrum is rotated further the disjunction position around its first arm and above-mentioned bindiny mechanism contact site with the locating shaft of mechanism side plate.
In a specific embodiment of the present utility model, described bindiny mechanism comprises two first axis and second axises that pass each rotor in the motive contact module, offer first through hole and second through hole on the opposite position of each rotor respectively, described first axis passes first through hole of each rotor and contacts with the first arm of tiller and stop handle to arrive the disjunction position; Described second axis passes second through hole of each rotor and is connected with the lower link of operating mechanism.
In another specific embodiment of the present utility model, described bindiny mechanism comprises first axis, second axis and is used to be connected a plurality of braces of first axis and second axis, on the opposite position of each rotor, offer first through hole and second through hole respectively, described first axis passes first through hole of each rotor, and described second axis passes second through hole of each rotor and is connected with the lower link of operating mechanism; Described brace is positioned at the both sides of operating mechanism, is used for contacting with the first arm of tiller and stops handle to arrive the disjunction position, has two at least and be used for the through hole that passes for first axis and second axis on brace.
In another specific embodiment of the present utility model, described bindiny mechanism comprises a connecting piece, first universal driving shaft and second universal driving shaft, this bindiny mechanism has two, be positioned at the both sides of operating mechanism, be respectively applied for and connect two adjacent rotors, at least have two through holes on the brace in each bindiny mechanism, after first universal driving shaft passes a through hole on the brace, the one end is connected on one of them rotor of two neighboring pole, the other end is connected on the another one rotor of two neighboring pole, after second universal driving shaft passes another through hole on the brace, the one end is connected on one of them rotor of two neighboring pole, the other end is connected on the another one rotor of two neighboring pole after passing the lower link of operating mechanism, and described brace contacts with the first arm of tiller and stops handle to arrive the disjunction position.
In another specific embodiment of the present utility model, described bindiny mechanism comprises a contiguous block, this bindiny mechanism has two, be positioned at the both sides of operating mechanism, be respectively applied for and connect two adjacent rotors, contiguous block both sides in each bindiny mechanism have the engaging position, connect two adjacent rotors respectively, have corresponding engaging position on the described rotor; Also offer a groove that is used to hold the operating mechanism lower link and one on the described contiguous block and be used for for a minor axis passes the operating mechanism lower link is articulated in through hole on the contiguous block, have a boss on the described contiguous block in addition, this boss contacts with the first arm of tiller and stops handle to arrive the disjunction position.
The utility model is because after adopting said structure, one of advantage that has, simple in structure, easy for installation; Advantage two, owing on described tiller, extended a first arm and one second arm, under the situation of dynamic/static contact generation melting welding, when the open position direction moved, the first arm of tiller contacted with described bindiny mechanism handle from closing position, stoped handle to arrive open position; Described second arm and mechanism's side plate locating shaft screens, can avoid tiller is that fulcrum is rotated further the disjunction position around its first arm and above-mentioned bindiny mechanism contact site, therefore, can effectively prevent because the indication of the mistake of operating grip and the electric shock accidents that in the maintenance activity process, takes place.
Description of drawings
Fig. 1 is a tiller stereochemical structure sketch of the present utility model.
Fig. 2 is the structural representation of the utility model embodiment 1.
Fig. 3 is the contact schematic diagram that tiller contacts with bindiny mechanism when the melting welding state among the utility model embodiment 1.
Fig. 4 is the breaker closing position view of the utility model embodiment 1.
Fig. 5 is the circuit breaker disjunction position view of the utility model embodiment 1.
Fig. 6 is the structural representation of the utility model embodiment 2.
Fig. 7 is the contact schematic diagram that tiller contacts with bindiny mechanism when the melting welding state among the utility model embodiment 2.
Fig. 8 is the breaker closing position view of the utility model embodiment 2.
Fig. 9 is the circuit breaker disjunction position view of the utility model embodiment 2.
Figure 10 is bindiny mechanism's structural representation of the utility model embodiment 3.
Figure 11 is bindiny mechanism's structure explosive view of the utility model embodiment 3.
Figure 12 is bindiny mechanism's structural representation of the utility model embodiment 4.
Figure 13 is bindiny mechanism's structure explosive view of the utility model embodiment 4.
Among the figure: 1. locating shaft; 2. operating grip; 3. tiller, 31. the first arms, 32. second arms, 33. installing holes; 4. mechanism's side plate; 5. first axis; 6. second axis; 7. lower link; 8. motive contact module, 81. moving contacts, 82. rotors, 82a. the first rotor, 82b. second rotor, 821. depression holding sections; 9. fixed contact; 10. brace, 10a. second through hole, 10b. first through hole; 12. first universal driving shaft; 13. second couple axle; 14. contiguous block, 14a. projection holding section, 14b. groove, 14c. through hole; 14d. boss; 15. minor axis.
Embodiment
By the description of applicant, will help to understand the utility model more, and good effect of the present utility model is embodied more, but embodiment should not be considered as the restriction to some extent to technical solutions of the utility model each embodiment.
A kind of breaker with double breaks and plastic case of the utility model, mainly comprise operating mechanism, a plurality of single pole units and at least one bindiny mechanism, comprise arc control device in each single pole units, fixed contact 9 and motive contact module 8, motive contact module 8 comprises moving contact 81 and is used to hold the rotor of moving contact 81, a plurality of single pole units constitute a multipole circuit breaker side by side, at least one bindiny mechanism is linked together each rotor in the motive contact module 8, so that rotor moves simultaneously, and be connected with operating mechanism, can realize the branch and the closing operation of moving contact 81 and fixed contact 9, operating mechanism comprises operating grip 2, tiller 3, with the lower link 7 that is used for cooperating with bindiny mechanism, on the locating shaft 1 of mechanism's side plate 4, the other end of tiller 3 constitutes with operating grip 2 fixedlys connected one end of tiller 2 by installing hole 33 hub setting rotationally.Two block mechanism side plates 4 of circuit breaker are arranged in parallel, and orientate the support of operating mechanism as by some fulcrums, and the inside is the linkage system.Two locating shafts 1 are fixedly mounted on respectively on the two block mechanism side plates 4.
Below in conjunction with Fig. 1 to Fig. 5 first preferred embodiment of the present utility model is described.
Fig. 4 is the schematic diagram of circuit breaker when closing position in the present embodiment 1, and under this state, the first arm 31 on the tiller 3 and second arm 32 do not play position-limiting action.Fig. 5 is the schematic diagram of circuit breaker when the disjunction position in the present embodiment 1, and under this state, the first arm 31 on the tiller 3 and second arm 32 equally do not play position-limiting action yet.
Below in conjunction with Fig. 1 and Fig. 6 to Fig. 9 second preferred embodiment of the present utility model is described.
Fig. 8 is the schematic diagram of circuit breaker when closing position in the present embodiment 2, and under this state, the first arm 31 on the tiller 3 and second arm 32 do not play position-limiting action.Fig. 9 is the schematic diagram of circuit breaker when the disjunction position in the present embodiment 2, and under this state, the first arm 31 on the tiller 3 and second arm 32 equally do not play position-limiting action yet.
Below in conjunction with Fig. 1 and Figure 10 and Figure 11 the 3rd preferred embodiment of the present utility model is described.
Bindiny mechanism described in the utility model comprises a connecting piece 10, first universal driving shaft 12 and second universal driving shaft 13, and described bindiny mechanism has two, lays respectively at the both sides of operating mechanism, is used to connect adjacent two first, second rotor 82a, 82b.It is the first through hole 10b, the second through hole 10a that two through holes are arranged on the described brace 10, after first universal driving shaft 12 passed the first through hole 10b, one of them the first rotor 82a that the one end is connected to two neighboring pole went up, the other end is connected on the another one second rotor 82b of two neighboring pole; After second universal driving shaft 13 passed the second through hole 10a, the one end was connected on one of them the first rotor 82a of two neighboring pole, and the other end passes the through hole of operating mechanism lower link 7, was connected on the another one second rotor 82b of two neighboring pole.Described brace 10 contacts with the first arm 31 of tiller 3, is used to stop operating grip 2 to arrive the disjunction position.Locating shaft 1 screens of described second arm 32 and mechanism's side plate 4, can avoid tiller 3 is that fulcrum rotates continuation sensing disjunction position around its first arm 31 and brace 10 contacts site.
Below in conjunction with Fig. 1 and Figure 12 and Figure 13 the 4th preferred embodiment of the present utility model is described.
Bindiny mechanism described in the utility model comprises a contiguous block 14, and this bindiny mechanism has two, lays respectively at the both sides of operating mechanism, is used to connect adjacent two first, second rotor 82a, 82b.Described contiguous block 14 both sides have projection engaging position 14a, corresponding sending, on two adjacent first, second rotor 82a, 82b, have respectively and be used for and projection engage the depression engaging position 821 of the mutual scarf of position 14a, between contiguous block 14 and adjacent two the first rotor 82a, the second rotor 82b by corresponding engaging position connection; Also offer a groove 14b and a through hole 14c on described contiguous block 14, lower link 7, one minor axises 15 that groove 14b is used to hold described operating mechanism are connected with operating mechanism lower link 7 after passing described through hole 14c; Have a boss 14d on the described contiguous block 14, this boss 14d contacts with the first arm 31 of tiller, is used to stop operating grip 2 to arrive the disjunction position.Locating shaft 1 screens of described second arm 32 and mechanism's side plate 4, can avoid tiller 3 is that fulcrum rotates continuation sensing disjunction position around its first arm 31 and brace 14 contacts site.
Claims (5)
1, a kind of structure improved breaker with double breaks and plastic case, comprise operating mechanism, a plurality of single pole units and at least one bindiny mechanism, comprise arc control device in each single pole units, fixed contact and motive contact module, motive contact module comprises moving contact and is used to hold the rotor of moving contact, a plurality of single pole units constitute a multipole circuit breaker side by side, at least one bindiny mechanism is linked together each rotor in the motive contact module, so that rotor moves simultaneously, and be connected with operating mechanism, can realize the branch and the closing operation of moving contact and fixed contact, operating mechanism comprises operating grip, tiller, with the lower link that is used for cooperating with bindiny mechanism, the one end hub setting rotationally of tiller is on the locating shaft of mechanism's side plate, the other end of tiller constitutes with operating grip fixedlys connected, it is characterized in that on the end that described tiller is used for articulating with locating shaft, having extended a first arm and one second arm, the described the first arm and second arm lay respectively at the both sides of locating shaft, under the situation that dynamic/static contact generation melting welding connects, operating grip from closing position when the open position direction moves, described the first arm is used for contacting with described bindiny mechanism and stops handle to arrive open position, and described second arm is used for realizing screens and can avoid tiller to be that fulcrum is rotated further the disjunction position around its first arm and above-mentioned bindiny mechanism contact site with the locating shaft of mechanism side plate.
2, a kind of structure improved breaker with double breaks and plastic case according to claim 1, it is characterized in that described bindiny mechanism comprises two first axis and second axises that pass each rotor in the motive contact module, offer first through hole and second through hole on the opposite position of each rotor respectively, described first axis passes first through hole of each rotor and contacts with the first arm of tiller and stop handle to arrive the disjunction position; Described second axis passes second through hole of each rotor and is connected with the lower link of operating mechanism.
3, a kind of structure improved breaker with double breaks and plastic case according to claim 1, it is characterized in that described bindiny mechanism comprises first axis, second axis and is used to be connected a plurality of braces of first axis and second axis, on the opposite position of each rotor, offer first through hole and second through hole respectively, described first axis passes first through hole of each rotor, and described second axis passes second through hole of each rotor and is connected with the lower link of operating mechanism; Described brace is positioned at the both sides of operating mechanism, is used for contacting with the first arm of tiller and stops handle to arrive the disjunction position, has two at least and be used for the through hole that passes for first axis and second axis on brace.
4, a kind of structure improved breaker with double breaks and plastic case according to claim 1, it is characterized in that described bindiny mechanism comprises a connecting piece, first universal driving shaft and second universal driving shaft, this bindiny mechanism has two, be positioned at the both sides of operating mechanism, be respectively applied for and connect two adjacent rotors, at least have two through holes on the brace in each bindiny mechanism, after first universal driving shaft passes a through hole on the brace, the one end is connected on one of them rotor of two neighboring pole, the other end is connected on the another one rotor of two neighboring pole, after second universal driving shaft passes another through hole on the brace, the one end is connected on one of them rotor of two neighboring pole, the other end is connected on the another one rotor of two neighboring pole after passing the lower link of operating mechanism, and described brace contacts with the first arm of tiller and stops handle to arrive the disjunction position.
5, a kind of structure improved breaker with double breaks and plastic case according to claim 1, it is characterized in that described bindiny mechanism comprises a contiguous block, this bindiny mechanism has two, be positioned at the both sides of operating mechanism, be respectively applied for and connect two adjacent rotors, contiguous block both sides in each bindiny mechanism have the engaging position, connect two adjacent rotors respectively, have corresponding engaging position on the described rotor; Also offer a groove that is used to hold the operating mechanism lower link and one on the described contiguous block and be used for for a minor axis passes the operating mechanism lower link is articulated in through hole on the contiguous block, one boss is arranged on the described contiguous block, and this boss contacts with the first arm of tiller and stops handle to arrive the disjunction position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200464941U CN201417722Y (en) | 2009-06-11 | 2009-06-11 | Double-break moulded case circuit breaker with improved structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200464941U CN201417722Y (en) | 2009-06-11 | 2009-06-11 | Double-break moulded case circuit breaker with improved structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201417722Y true CN201417722Y (en) | 2010-03-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200464941U Expired - Lifetime CN201417722Y (en) | 2009-06-11 | 2009-06-11 | Double-break moulded case circuit breaker with improved structure |
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| Country | Link |
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| CN (1) | CN201417722Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102592895A (en) * | 2011-01-10 | 2012-07-18 | 北京人民电器厂有限公司 | Plastic shell circuit breaker cover with centered handle |
| WO2013044765A1 (en) * | 2011-09-26 | 2013-04-04 | 上海电科电器科技有限公司 | A linkage structure of the moving contact of the modular circuit breaker |
| CN103681138A (en) * | 2013-12-25 | 2014-03-26 | 大全集团有限公司 | Molded-case circuit breaker with isolation function |
| CN106920718A (en) * | 2015-12-28 | 2017-07-04 | Ls 产电株式会社 | Multipole molding outer casing formula breaker |
| CN108648969A (en) * | 2018-06-28 | 2018-10-12 | 美高电气科技有限公司 | A kind of double breaking points miniature circuit breaker |
| CN111463079A (en) * | 2019-01-18 | 2020-07-28 | 施耐德电器工业公司 | Circuit breaker |
-
2009
- 2009-06-11 CN CN2009200464941U patent/CN201417722Y/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102592895A (en) * | 2011-01-10 | 2012-07-18 | 北京人民电器厂有限公司 | Plastic shell circuit breaker cover with centered handle |
| WO2013044765A1 (en) * | 2011-09-26 | 2013-04-04 | 上海电科电器科技有限公司 | A linkage structure of the moving contact of the modular circuit breaker |
| CN103681138A (en) * | 2013-12-25 | 2014-03-26 | 大全集团有限公司 | Molded-case circuit breaker with isolation function |
| CN106920718A (en) * | 2015-12-28 | 2017-07-04 | Ls 产电株式会社 | Multipole molding outer casing formula breaker |
| CN106920718B (en) * | 2015-12-28 | 2019-04-09 | Ls 产电株式会社 | Multipole molding outer casing formula breaker |
| US10424454B2 (en) | 2015-12-28 | 2019-09-24 | Lsis Co., Ltd. | Multi-pole molded case circuit breaker with a safety device |
| CN108648969A (en) * | 2018-06-28 | 2018-10-12 | 美高电气科技有限公司 | A kind of double breaking points miniature circuit breaker |
| CN108648969B (en) * | 2018-06-28 | 2023-12-01 | 美高电气科技有限公司 | Double-breakpoint miniature circuit breaker |
| CN111463079A (en) * | 2019-01-18 | 2020-07-28 | 施耐德电器工业公司 | Circuit breaker |
| CN111463079B (en) * | 2019-01-18 | 2024-01-23 | 施耐德电器工业公司 | Circuit breaker |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100303 |