CN101697333A - Contact supporting rod for low-voltage power circuit breaker - Google Patents
Contact supporting rod for low-voltage power circuit breaker Download PDFInfo
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- CN101697333A CN101697333A CN200910154451A CN200910154451A CN101697333A CN 101697333 A CN101697333 A CN 101697333A CN 200910154451 A CN200910154451 A CN 200910154451A CN 200910154451 A CN200910154451 A CN 200910154451A CN 101697333 A CN101697333 A CN 101697333A
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- module
- contact supporting
- supporting rod
- circuit breaker
- voltage power
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Abstract
The invention relates to a contact supporting rod for a low-voltage power circuit breaker, which comprises a first-stage contact supporting module, an interconnection module, a second-stage contact supporting module and two external gears, wherein the first-stage contact supporting module and the second-stage contact supporting module have cylindrical structures, sides of the first-stage contact supporting module and the second-stage contact supporting module are provided with sockets, and the interconnection module is arranged between the first-stage contact supporting module and the second-stage contact supporting module; and upsides of supporting modules and the interconnection modules are provided with gear grooves, the insides of the gear grooves are provided with the external gears, the external gears are embedded into a gear mounting hole of the interconnection module, and the depth of the hole is one half of the thickness of the external gear. The contact supporting rod for the low-voltage power circuit breaker has the advantages that: the contact supporting rod plays a role in better fixation through optimized structures and performance; the contact supporting rod can reduce the nonuniform transfer of the motion among various electrodes in a circuit breaker, and reduce the quantity of needed structural components at the same time; the contact supporting rod can simplify the assembly, and avoid complicated connection and assembly work; and the contact supporting rod reduces production cost as well as maintenance and adjustment cost needed within the service life of the circuit breaker.
Description
Technical field
The present invention relates to a kind of improved contact supporting rod structure, specifically a kind of contact supporting rod of low-voltage power circuit breaker.
Background technology
Low-voltage power circuit breaker is the protective device in the industrial electric power system, and the characteristics of this industrial electric power system are operating voltage up to 1000 volts, but the current value standard value is higher relatively, has produced very high power grade thus.General power circuit breaker can have several electrodes, and the quantity of electrode has determined that circuit breaker is as one pole, the two poles of the earth, three-pole breaker or four-pole circuit breaker in actual applications; Except that electrode, also have at least two contacts, i.e. fixed contact and movable contact, these two contacts lotus root mutually close/disconnect, and are electrically connected on phase line and the center line.Usually in circuit breaker, the movable contact of each electrode all is installed on the rotary contact support bar, the driving mechanism of this contact supporting rod and described circuit breaker, and spring type moving system mechanical connection for example, and can between a plurality of electrodes, transmit motion.Support bar in the prior art makes the assembly working of circuit breaker, and main to be that attended operation in the actual use becomes complicated; Adopt this technical scheme to produce the series of the bar that varies in size according to the size of number of electrodes in the circuit breaker and described circuit breaker, obviously this production cost for circuit breaker, maintenance and operating cost aspect all have negative effect.Support bar is made of element independent of each other or module on a plurality of structures, these elements or module are by other perforation cross tie part, fit together such as cross bar or compensating element,, defective is to be difficult to transmit equably along whole bar and moves, this is that the coupling part of pass-through member may suffer damage or separate because during the working life of circuit breaker.
Therefore, in order to ensure support bar have enough reliabilities or or even will change bar the time, often must carry out all that difficulty is big, the higher attended operation of cost; It is longer relatively to connect interconnection element, has occurred very significantly torsion phenomenon thus on the electrode that is positioned on the described boom end, makes that the movable contact on these electrodes is more late than the inner moveable contact of close driving mechanism.In order to overcome these defectives, except that safeguarding adjusting, also must often operate man-hour adding, trip early than other movable contacts in order to the movable contact that compensates angled described outer electrode, avoid or limit the delay that causes owing to the torsion phenomenon that occurs in the course of action thus.A lot of homogeneous structures can increase assembling and tear the but complexity of element open, can bring adverse influence to production cost, use and the maintenance cost of circuit breaker.
Summary of the invention
At above defective, the invention provides a kind of assembling mode simple, can reduce the circuit breaker contact supporting rod that required maintenance is regulated, can effectively be reduced production costs in useful life longevity, thereby can effectively solve many defectives of prior art.
For achieving the above object, the present invention is by the following technical solutions:
A kind of contact supporting rod of low-voltage power circuit breaker, comprise that the one-level contact supports module, interconnection module, secondary contact support module and two external gears, described one-level contact supports module and secondary contact support module is cylindrical structure and its side is offered socket respectively, and described one-level contact supports between module and the secondary contact support module and is provided with the interconnection module; Each supports module and has gear grooved and external gear is set in it with interconnection module upside, and described external gear is embedded in the interconnection module gear installing hole, and this slotted eye degree of depth is half of external gear thickness; The upper edge position of described interconnection module is provided with gangbar, and interconnection module sidewall is provided with rectangular tab; Described interconnection module quantity can be one or more.
The beneficial effect of the contact supporting rod of low-voltage power circuit breaker of the present invention is: by structure and the performance of optimizing, connect the gear groove that support bar bottom groove both sides are provided with certain depth in gear, match with the gear of support bar projection simultaneously, thereby play better fixing; This structure contact supporting rod can reduce the inhomogeneous of Motion Transmission between each electrode in circuit breaker, reduces the quantity of required structure element simultaneously.Can simplify assembling, avoid complicated connection and assembly working; Simple in structure, reduced production cost and in the time limit in useful life of circuit breaker required maintenance regulate cost, reliability is higher.
Description of drawings
With reference to the accompanying drawings the present invention is described in further detail below.
Fig. 1 is the decomposition texture schematic diagram of the contact supporting rod of the described low-voltage power circuit breaker of the embodiment of the invention.
Among the figure:
1, the one-level contact supports module; 2, interconnection module; 3, the secondary contact supports module; 4, external gear; 5, gangbar; 6, pivot; 7, jack; 8, rectangular tab; 9, flank sheet; 10, socket; 11, gear installing hole.
Embodiment
As shown in Figure 1, the contact supporting rod of the described low-voltage power circuit breaker of the embodiment of the invention, comprise that the one-level contact supports module 1, interconnection module 2, the secondary contact supports module 3 and two external gears 4, each supports module and all is connected on the corresponding movable contact of the breaker electrode that contact supporting rod is housed, described one-level contact supports module 1 and secondary contact support module 3 is cylindrical structure and its side is offered socket 10 respectively, but each socket 10 all matches with the movable contact of hold electrodes, described one-level contact supports module 1 and the secondary contact supports the interconnection module 2 that is provided with the cylindrical structure that is used for interconnect function between the module 3, and this interconnection module 2 supports between the module to placing and be inserted in two along central shaft; Each supports module and has gear grooved and external gear 4 is set to be connected its upside assembly in it with interconnection module 2 upsides, described external gear 4 is embedded in the interconnection module 2 gear installing holes 11, this slotted eye degree of depth is half of external gear 4 thickness, each support be provided with band jack 7 in module gear grooved and to the Positioning Gear of outer lug to reach better fixed effect, described interconnection module 2 Positioning Gears are provided with pivot 6; The upper edge position of described interconnection module 2 is provided with gangbar 5, and its sidewall is provided with flank sheet 9 and rectangular tab 8.
The contact supporting rod of the described low-voltage power circuit breaker of the above embodiment of the invention, described socket 10 is formed on corresponding cylindrical at least one end face, described pivot 6 is along outstanding on two relative directions of rotating shaft and inject in the corresponding dead hole, and this dead hole is respectively formed at first and second grade contact and supports on the module so that accurately determine the center.When circuit breaker action and axle rotation, rectangular tab 8 interacts with element, makes these elements indicate the disconnection of described circuit breaker, closure or release condition; According to the quantity difference that supports module, described interconnection module 2 quantity can be one or more, and correspondingly the quantity of its external gear 4 is the twice of interconnection module 2 quantity.
Claims (7)
1. the contact supporting rod of a low-voltage power circuit breaker, comprise that the one-level contact supports module, interconnection module, secondary contact support module and two external gears, each supports module and all is connected on the corresponding movable contact of the breaker electrode that contact supporting rod is housed, it is characterized in that: described one-level contact supports module and secondary contact support module is cylindrical structure and its side is offered socket respectively, is provided with the interconnection module between two support modules; Each supports module and has gear grooved and external gear is set in it with interconnection module upside, and described external gear is embedded in the interconnection module gear installing hole, and this slotted eye degree of depth is half of external gear thickness.
2. the contact supporting rod of low-voltage power circuit breaker according to claim 1 is characterized in that: described interconnection module supports between the modules to placing and be inserted in two along central shaft.
3. the contact supporting rod of low-voltage power circuit breaker according to claim 1 is characterized in that: each supports and is provided with the band jack in module gear grooved and to the Positioning Gear of outer lug.
4. the contact supporting rod of low-voltage power circuit breaker according to claim 3, it is characterized in that: described Positioning Gear is provided with pivot.
5. the contact supporting rod of low-voltage power circuit breaker according to claim 1 and 2, it is characterized in that: the upper edge of described interconnection module is provided with gangbar.
6. the contact supporting rod of low-voltage power circuit breaker according to claim 1, it is characterized in that: described interconnection module sidewall is provided with rectangular tab.
7. the contact supporting rod of low-voltage power circuit breaker according to claim 1, it is characterized in that: described interconnection module quantity is one or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910154451A CN101697333A (en) | 2009-11-02 | 2009-11-02 | Contact supporting rod for low-voltage power circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910154451A CN101697333A (en) | 2009-11-02 | 2009-11-02 | Contact supporting rod for low-voltage power circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101697333A true CN101697333A (en) | 2010-04-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910154451A Pending CN101697333A (en) | 2009-11-02 | 2009-11-02 | Contact supporting rod for low-voltage power circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101697333A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103959415A (en) * | 2011-09-29 | 2014-07-30 | 黑格电子股份有限公司 | Enhancement of the isolating mechanism of a multimodular electrical apparatus of the circuit breaker type |
| CN105261528A (en) * | 2015-11-10 | 2016-01-20 | 上海电器股份有限公司人民电器厂 | A linkage frame and a circuit breaker using the linkage frame |
-
2009
- 2009-11-02 CN CN200910154451A patent/CN101697333A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103959415A (en) * | 2011-09-29 | 2014-07-30 | 黑格电子股份有限公司 | Enhancement of the isolating mechanism of a multimodular electrical apparatus of the circuit breaker type |
| CN103959415B (en) * | 2011-09-29 | 2017-03-08 | 黑格电子股份有限公司 | The improvement of the shut-off mechanism of breaker type multimode electrical equipment |
| CN105261528A (en) * | 2015-11-10 | 2016-01-20 | 上海电器股份有限公司人民电器厂 | A linkage frame and a circuit breaker using the linkage frame |
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| PB01 | Publication | ||
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| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20100421 |