CN104409293A - Auxiliary mechanism of multipolar circuit breaker - Google Patents
Auxiliary mechanism of multipolar circuit breaker Download PDFInfo
- Publication number
- CN104409293A CN104409293A CN201410777363.6A CN201410777363A CN104409293A CN 104409293 A CN104409293 A CN 104409293A CN 201410777363 A CN201410777363 A CN 201410777363A CN 104409293 A CN104409293 A CN 104409293A
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- CN
- China
- Prior art keywords
- side plate
- circuit breaker
- connecting axle
- bindiny mechanism
- pair
- 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.)
- Pending
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/1009—Interconnected mechanisms
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- Breakers (AREA)
Abstract
The invention discloses an auxiliary mechanism of a multipolar circuit breaker. The auxiliary mechanism comprises a first lateral plate and a second lateral plate, a pair of connecting mechanisms, and a pair of springs, wherein the first lateral plate and the second lateral plate are distributed in a plurality of monopole units and respectively used for monopole units of a neutral electrode and monopole units of another adjacent electrode; the pair of connecting mechanisms are rotatably fixed on the first lateral plate and the second lateral plate and used for providing a compensation torque for a first connecting shaft and a second connecting shaft of the multipolar circuit breaker; one ends of the pair of springs support the connecting mechanisms, and the other ends of the springs support the first lateral plate and the second lateral plate; the pair of springs provide elasticity for the connecting mechanisms; the connecting mechanisms and the springs are respectively distributed in a symmetric manner relative to a center of rotation. When the circuit breaker is switched on or off, the auxiliary mechanism of the multipolar circuit breaker provided by the invention can enable the monopole units of the neutral electrode to input before or later than the monopole units of the other electrodes, so that the shafts connecting the operation mechanism with the auxiliary mechanism are difficult to deflection and deformation, and the auxiliary mechanism facilitates the improvement of the reliability of the product.
Description
Technical field
The invention belongs to low voltage electrical apparatus technology field, relate to a kind of multipole circuit breaker, be specifically related to a kind of auxiliary body of multipole circuit breaker.
Background technology
At present, in traditional multi-pole double-break, operating mechanism is not arranged on the centre of circuit breaker, but amesiality installation, namely be arranged in the B phase corresponding to four-pole circuit breaker, the force unbalance that operating mechanism applies in each single pole units will be made like this.Then, there is following problems when long-term splitting or integrating lock operation in circuit breaker: the easy deflection deformation in end of first, second connecting axle, compared with causing the axle at the single pole units place being arranged on N phase and being arranged on the axle at other single pole units places, rotation amount is less, result, when moving contact separates with first, second fixed contact or contacts, generation time is poor, affect properties of product and reliability, more serious meeting allows load-side electric equipment burn out.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of auxiliary body that can guarantee the multipole circuit breaker of the balance of the contact force in each single pole units and mechanically actuated operation reliability.
In order to realize above-mentioned object, the invention provides following technical scheme:
The auxiliary body of multipole circuit breaker of the present invention, comprise and be distributed in the single pole units for neutral electrode in multiple single pole units and the first side plate between the adjacent single pole units for another electrode and the second side plate, rotatably be fixed on a pair bindiny mechanism for the torque that affords redress to the first connecting axle of multipole circuit breaker and the second connecting axle on the first described side plate and the second side plate, the first side plate described in bindiny mechanism's other end described in one end supports supports and the second side plate can provide a pair spring of elastic force to described bindiny mechanism, described bindiny mechanism and spring are symmetrical relative to pivot respectively.
In technique scheme, the first described side plate and the second side plate center are provided with rotary shaft hole, and described relative rotation axi hole, rotary shaft hole both sides is provided with the opening be convenient to described bindiny mechanism for a pair and rotated symmetrically.
In technique scheme, described bindiny mechanism comprises gusset piece, described gusset piece is respectively equipped with the first through hole and the second through hole, the first described connecting axle is through the first described through hole, the second described connecting axle, through the second described through hole, directly provides elastic force to be used as compensating torque from described spring to the first described connecting axle and the second connecting axle.
In technique scheme, described bindiny mechanism also comprises head rod and the second connecting rod, described head rod is rotatably connected to one end of described gusset piece relatively by joint pin, the second described connecting rod is rotatably connected to one end of described first side plate and the second side plate relatively by hinge axis, the second described connecting rod is provided with counterbore, described head rod taper end is positioned at described counterbore and can moves around vertically, described spring housing is located on the second described connecting rod, with described gusset piece rotation thus elastic force is provided.
Compared with prior art, the auxiliary body of multipole circuit breaker provided by the invention is when breaker closing or separating brake, can make the single pole units of neutral electrode early than or be later than other electrode single pole units input, not easily there is deflection deformation in the axle of attended operation mechanism and auxiliary body, is conducive to the reliability improving product.
Accompanying drawing explanation
In order to be illustrated more clearly in technical scheme of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing for the present invention in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of whole multipole circuit breaker of the present invention;
Fig. 2 is the exploded perspective view of auxiliary body of the present invention;
Fig. 3 is the perspective view of auxiliary body of the present invention;
Fig. 4 is the front view of multipole circuit breaker of the present invention auxiliary body when being in "on" position;
Fig. 5 is the front view of multipole circuit breaker of the present invention auxiliary body when being in gate-dividing state.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be described in detail the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belongs to the scope of protection of the invention.
As shown in Figure 1, multipole circuit breaker of the present invention adopts four-pole circuit breaker, comprises four single pole units, is respectively A phase 11, B phase 12, C phase 13, N phase 14; Operating mechanism 2 is distributed in B phase 12, for the splitting or integrating lock of manual operation circuit breaker; Four single pole units couple together, to transmit the actuating force of operating mechanism by the first connecting axle 41 and the second connecting axle 42 respectively; Auxiliary body 3 is distributed between C phase 13 with N phase 14, and to afford redress torque to the first connecting axle 41 and the second connecting axle 42.
As Fig. 2 and shown in composition graphs 3, auxiliary body 3 of the present invention comprises the first side plate 311, second side plate 312, it is distributed between the single pole units for neutral electrode in multiple single pole units and the adjacent single pole units for another electrode; First side plate 311, second side plate about 312 is respectively equipped with pair of openings 3111, so that bindiny mechanism rotates, center is also provided with rotary shaft hole 3112, is provided with connecting hole 3113 away from center.
Bindiny mechanism comprises gusset piece 32, and it is provided with the through hole 321 and 322 that a pair permission first rotating shaft 41, second rotating shaft 42 is passed through and rotated; Also be provided with rotary shaft hole 325 at center, its size and rotary shaft hole 3112 adapt, and support the first side plate 311 and the second side plate 312 by hinge axis 36; Both sides are also provided with rotary shaft hole 323 and 324, for connecting first connecting rod 33, second connecting rod 35; Wherein the head of head rod 33 is provided with connecting hole, one end of gusset piece 32 is relatively rotatably connected to by joint pin 37, the head of the second connecting rod 35 is also provided with connecting hole, one end of the first side plate 311, second side plate 312 is relatively rotatably connected to by hinge axis 38, also be provided with a counterbore, so that head rod 33 axially moves around; One end of spring 34 is supported by head rod 33, and provides elasticity inclined power, so that head rod 33 can axially move.The head of head rod 33 is connected to gusset piece 32 by joint pin 37, and gusset piece 32 is supported by hinge axis 36, so that rotatable relative to the first side plate 311, second side plate 312.The other end is supported by the second connecting rod 35, and the axial linear power provided by spring 34 makes gusset piece 32 rotate, as the balancing force of the first connecting axle 41, second connecting axle 42.
The course of work of the auxiliary body of multipole circuit breaker of the present invention is described: first below in conjunction with each accompanying drawing, operating mechanism 2 action, the first connecting axle 41, second connecting axle 42 is driven to rotate, first connecting axle 41, second connecting axle 42 is connected with the gusset piece 32 of auxiliary body 3, therefore, the gusset piece 32 of auxiliary body 3 rotates around hinge axis 36 together with the first connecting axle 41, second connecting axle 42.When gusset piece 32 rotates, each in the spring 34 of auxiliary body 3 applies elastic force to realize the rotation of gusset piece 32 to gusset piece 32.So, the revolving force of the first connecting axle 41, second connecting axle 42 that the operating mechanism 2 that just can compensate four-pole circuit breaker causes is uneven, can effectively prevent the first connecting axle 41, second connecting axle 42 of N phase 14 from deflection deformation occurring.And N phase 14 reliably can also be made three to contact early than other, be later than other three-phase and disconnect, ensure the safety and reliability of electrical equipment.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present invention or essential characteristic, the present invention can be realized in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present invention is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the present invention.Any Reference numeral in claim should be considered as the claim involved by limiting.
In addition, be to be understood that, although this specification is described according to execution mode, but not each execution mode only comprises an independently technical scheme, this narrating mode of specification is only for clarity sake, those skilled in the art should by specification integrally, and the technical scheme in each embodiment also through appropriately combined, can form other execution modes that it will be appreciated by those skilled in the art that.
Claims (4)
1. the auxiliary body of a multipole circuit breaker, it is characterized in that: comprise and be distributed in the single pole units for neutral electrode in multiple single pole units and the first side plate (311) between the adjacent single pole units for another electrode and the second side plate (312), rotatably be fixed on a pair bindiny mechanism for the torque that affords redress to first connecting axle (41) of multipole circuit breaker and the second connecting axle (42) on described the first side plate (311) and the second side plate (312), the first side plate (311) described in bindiny mechanism's other end described in one end supports supports and the second side plate (312) can provide a pair spring (34) of elastic force to described bindiny mechanism, described bindiny mechanism and spring (34) symmetrical relative to pivot respectively.
2. the auxiliary body of multipole circuit breaker according to claim 1, it is characterized in that: described the first side plate (311) and the second side plate (312) center are provided with rotary shaft hole (3112), described relative rotation axi hole, rotary shaft hole (3112) both sides (3112) are provided with the opening (3111) be convenient to described bindiny mechanism for a pair and rotated symmetrically.
3. the auxiliary body of multipole circuit breaker according to claim 1, it is characterized in that: described bindiny mechanism comprises gusset piece (32), described gusset piece (32) is respectively equipped with the first through hole (321) and the second through hole (322), described the first connecting axle (41) is through described the first through hole (321), described the second connecting axle (42) is through described the second through hole (322), elastic force is directly provided to be used as compensating torque from described spring (34) to described the first connecting axle (41) and the second connecting axle (42).
4. the auxiliary body of multipole circuit breaker according to claim 3, it is characterized in that: described bindiny mechanism also comprises head rod (33) and the second connecting rod (35), described head rod (33) is rotatably connected to one end of described gusset piece (32) relatively by joint pin (37), described the second connecting rod (35) is rotatably connected to one end of described first side plate (311) and the second side plate (312) relatively by hinge axis (38), described the second connecting rod (35) is provided with counterbore, described head rod (33) taper end is positioned at described counterbore and can moves around vertically, described spring (34) is sheathed on described the second connecting rod (35), with described gusset piece (32) rotation thus elastic force is provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410777363.6A CN104409293A (en) | 2014-12-12 | 2014-12-12 | Auxiliary mechanism of multipolar circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410777363.6A CN104409293A (en) | 2014-12-12 | 2014-12-12 | Auxiliary mechanism of multipolar circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104409293A true CN104409293A (en) | 2015-03-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410777363.6A Pending CN104409293A (en) | 2014-12-12 | 2014-12-12 | Auxiliary mechanism of multipolar circuit breaker |
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| CN (1) | CN104409293A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2701595A1 (en) * | 1993-02-16 | 1994-08-19 | Merlin Gerin | Adaptable remote control circuit breaker. |
| US20050174203A1 (en) * | 2004-02-10 | 2005-08-11 | Schneider Electronic Ind. Sas | Multipole circuit breaker with single-pole breaking units |
| CN1945774A (en) * | 2005-10-04 | 2007-04-11 | Ls产电株式会社 | Multi-pole circuit breaker |
| CN201204166Y (en) * | 2008-06-06 | 2009-03-04 | 常熟开关制造有限公司(原常熟开关厂） | Four-pole plastic case circuit breaker with auxiliary operation mechanism |
| CN101604600A (en) * | 2009-06-05 | 2009-12-16 | 上海诺雅克电气有限公司 | The multipole circuit breaker of band auxiliary supports |
| CN204257549U (en) * | 2014-12-12 | 2015-04-08 | 常熟市通润开关厂有限公司 | A kind of auxiliary body of multipole circuit breaker |
-
2014
- 2014-12-12 CN CN201410777363.6A patent/CN104409293A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2701595A1 (en) * | 1993-02-16 | 1994-08-19 | Merlin Gerin | Adaptable remote control circuit breaker. |
| US20050174203A1 (en) * | 2004-02-10 | 2005-08-11 | Schneider Electronic Ind. Sas | Multipole circuit breaker with single-pole breaking units |
| CN1945774A (en) * | 2005-10-04 | 2007-04-11 | Ls产电株式会社 | Multi-pole circuit breaker |
| CN201204166Y (en) * | 2008-06-06 | 2009-03-04 | 常熟开关制造有限公司(原常熟开关厂） | Four-pole plastic case circuit breaker with auxiliary operation mechanism |
| CN101604600A (en) * | 2009-06-05 | 2009-12-16 | 上海诺雅克电气有限公司 | The multipole circuit breaker of band auxiliary supports |
| CN204257549U (en) * | 2014-12-12 | 2015-04-08 | 常熟市通润开关厂有限公司 | A kind of auxiliary body of multipole circuit breaker |
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Application publication date: 20150311 |
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