CN203386691U - Circuit breaker - Google Patents
Circuit breaker Download PDFInfo
- Publication number
- CN203386691U CN203386691U CN201320499122.0U CN201320499122U CN203386691U CN 203386691 U CN203386691 U CN 203386691U CN 201320499122 U CN201320499122 U CN 201320499122U CN 203386691 U CN203386691 U CN 203386691U
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- CN
- China
- Prior art keywords
- circuit breaker
- motor shaft
- motor
- drive link
- moving part
- 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.)
- Expired - Fee Related
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model relates to a circuit breaker which comprises a housing. The interior of the housing is equipped with a motor and a driving lever which is linked with a motor shaft. The other end, linked with the motor, of the driving lever serves as an operating end which controls the on/off of the circuit breaker. The motor shaft is provided with a transmission device which is linked with the driving lever unidirectionally. Based on the above scheme, the utility model provides the hand-operated and labor-saving transmission device of the circuit breaker.
Description
Technical field
The utility model relates to a kind of circuit breaker, is specifically related to a kind of transmission mechanism of circuit breaker.
Background technology
Circuit breaker refers to the electric current that can close, carry and cut-off under normal loop condition, and can close, in official hour, carry and cut-off the switching device of the electric current under abnormal loop condition.Circuit breaker can be used to distribute electric energy; do not start continually asynchronous motor; power circuit and motor etc. are carried out to protection, can automatic shutdown circuit when serious overload or short circuit and the fault such as under-voltage occur for they, its function is equivalent to Fuse switch and the combination of crossing underheat relay etc.And generally do not need to change parts after the disjunction fault current.At present, in each association area, obtain a wide range of applications.
The patent documentation that application number is 200920198194. 5 discloses " electric transmission mechanism for circuit breaker ", include the drive link that motor reaches and the motor shaft of motor links, drive link is relatively operating side with the other end that motor shaft links, be provided with linkage board between motor shaft and drive link, one end of this linkage board is fixedly connected with motor shaft, the other end is fixedly connected with drive link, this transmission mechanism makes circuit breaker have the function of driven opening combined floodgate and manual switching, yet, in debug process before the circuit breaker real work, all adopt the hand rotation power transmission shaft to carry out switching, the mode of switching not only will overcome the resistance that switch itself has but also will overcome the resistance between motor shaft and motor like this, the relatively effort that debugging work is carried out, reduced operating efficiency.
Summary of the invention
The deficiency existed for prior art, the purpose of this utility model is to provide a kind of manual adjustments labour-saving circuit breaker.
For achieving the above object, the utility model provides following technical scheme: comprise housing, be provided with the drive link that motor reaches and the motor shaft of motor links in described housing, the other end of described drive link and motor linkage is controlled the switch of circuit breaker as operating side, it is characterized in that: be provided with the transmission device with the interlock of drive link one direction on described motor shaft.
By adopting technique scheme, can the drive motor axle when transmission device of single-way linkage rotates another direction, and the hand switch lock has just avoided overcoming the resistance between motor shaft and motor, makes debug process relatively laborsaving.
The utility model further is set to: described transmission device comprises coaxial and can counterrotating inner ring and outer ring, described inner ring fixed cover is located at motor shaft, described outer ring and drive link interlock arrange, but be provided with the Chang Kailian moving part of elastic reset on described inner ring outer peripheral face and shrink the containing cavity in inner ring for the Chang Kailian moving part, on the inner peripheral surface of described outer ring, rule is provided with the linkage block coordinated with the Chang Kailian moving part, the circumferential side of described linkage block drives with the Chang Kailian moving part block face coordinated, circumferentially opposite side is provided with the slip plane that guiding Chang Kailian moving part is crossed block face.
By adopting technique scheme, linkage block one side is that block face coordinates the Chang Kailian moving part to form inner ring and outer ring drives cooperation for the motor automatic adjustment switch, one side is that slip plane coordinates the Chang Kailian moving part that inner ring and outer ring slippage are coordinated for manually adjusting switch, avoids rotary electric machine axle when manual debugging and more consumes power.
The utility model further is set to: be provided with projection on the outer peripheral face of described outer ring, be provided with hinge bar between described projection and drive link and form hinged.
By adopting technique scheme, projection drives the control of drive link realization to switch with concentric rotation of motor shaft.
The utility model further is set to: be provided with the manual adjustments button with the coaxial setting of motor shaft on described housing, it is outer as control end that described manual adjustments button one end is arranged at housing, the other end is through housing and be fixedly installed manual adjustment rod, and the fixing other end and the hinge bar of described manual adjustment rod and manual adjustments button is hinged.
By adopting technique scheme, need not dismantle housing by the manual adjustments button and just can split pass and carry out manual adjustments, the practicality of circuit breaker is got a promotion.
The utility model further is set to: be provided with the rolling chamber between described inner ring and outer ring, described rolling is disposed with ball in chamber.
More smooth and easy while by adopting technique scheme, setting up rolling chamber and ball, making inner ring and outer ring slippage, frictional force reduces, while making manual operation more labor-saving effect further increase.
The utility model further is set to: the quantity in described rolling chamber is two, and described rolling chamber axially is arranged at respectively the two ends of linkage block along motor shaft.
By adopting technique scheme, the rolling chamber arranges two, makes relatively rotating of Internal and external cycle more stable, can not produce the bias effect effect.
Below in conjunction with the drawings and specific embodiments, the utility model is further described.
The accompanying drawing explanation
The stereogram that Fig. 1 is the utility model embodiment;
The cut-away view that Fig. 2 is the utility model embodiment;
The explosive view of the transmission device that Fig. 3 is the utility model embodiment,
The cutaway view of the transmission device that Fig. 4 is the utility model embodiment, motor and motor shaft.
Embodiment
As shown in Fig. 1-Fig. 4, the utility model discloses a kind of circuit breaker, comprise housing 1, be provided with the drive link 3 that motor 2 reaches and the motor shaft 21 of motor 2 links in housing 1, drive link 3 is controlled the switch 5 of circuit breaker with the other end of motor 2 interlocks as operating side, be provided with the transmission device 4 with the interlock of drive link one direction on motor shaft 21, can drive motor axle 21 when the transmission device 4 of single-way linkage rotates another direction, and the hand switch lock has just avoided overcoming the resistance between motor shaft 21 and motor 2, make debug process relatively laborsaving.
It is coaxial and can counterrotating inner ring 41 and outer ring 42 that transmission device 4 comprises, inner ring 41 fixed covers are located at motor shaft 21, outer ring 42 arranges with drive link 3 interlocks, but be provided with the Chang Kailian moving part 411 of elastic reset and the containing cavity 412 shunk in inner ring for Chang Kailian moving part 411 on inner ring 41 outer peripheral faces, on 42 inner peripheral surfaces of outer ring, rule is provided with the linkage block 421 coordinated with Chang Kailian moving part 411, the circumferential side of linkage block 421 drives with Chang Kailian moving part 411 block face 4211 coordinated, circumferentially opposite side is provided with the slip plane 4212 that guiding Chang Kailian moving part 411 is crossed block face 4211, linkage block 421 1 sides are that block face 4211 coordinates Chang Kailian moving part 411 to form inner ring 41 and outer ring 42 drives cooperation for the motor automatic adjustment switch, one side is that slip plane 4212 coordinates Chang Kailian moving part 411 that inner ring and outer ring slippage are coordinated for manually adjusting switch, avoid rotary electric machine axle 21 when manually debugging and more consume power.
Be provided with projection 422 on the outer peripheral face of outer ring 42, be provided with hinge bar 31 formations between projection 422 and drive link 3 hinged, the concentric rotation of projection 422 and motor shaft 21 drives the control that drive link 3 is realized switch.
Be provided with the manual adjustments button 6 with the coaxial setting of motor shaft 21 on housing 1, it is outer as control end 61 that manual adjustments button 6 one ends are arranged at housing, the other end is through housing and be fixedly installed manual adjustment rod 62, the fixing other end and the hinge bar 31 of manual adjustment rod 62 and manual adjustments button 6 is hinged, need not dismantle housing 1 by the manual adjustments button and just can split to close and carry out manual adjustments, the practicality of circuit breaker is got a promotion.
Be provided with rolling chamber 43 between inner ring 41 and outer ring 42, be disposed with ball 431 in rolling chamber 43, more smooth and easy when setting up rolling chamber 43 and ball 431 and making inner ring 41 and outer ring 42 slippage, frictional force reduces, while making manual operation more labor-saving effect further increase.
The quantity in rolling chamber 43 is two, and rolling chamber 43 axially is arranged at respectively the two ends of linkage block 421 along motor shaft 21, and rolling chamber 43 arranges two, makes relatively rotating of inner ring 41 and outer ring 42 more stable.
Claims (6)
1. a circuit breaker, comprise housing, be provided with the drive link that motor reaches and the motor shaft of motor links in described housing, the other end of described drive link and motor linkage is controlled the switch of circuit breaker as operating side, it is characterized in that: be provided with the transmission device with the interlock of drive link one direction on described motor shaft.
2. circuit breaker according to claim 1, it is characterized in that: described transmission device comprises coaxial and can counterrotating inner ring and outer ring, described inner ring fixed cover is located at motor shaft, described outer ring and drive link interlock arrange, but be provided with the Chang Kailian moving part of elastic reset on described inner ring outer peripheral face and shrink the containing cavity in inner ring for the Chang Kailian moving part, on the inner peripheral surface of described outer ring, rule is provided with the linkage block coordinated with the Chang Kailian moving part, the circumferential side of described linkage block drives with the Chang Kailian moving part block face coordinated, circumferentially opposite side is provided with the slip plane that guiding Chang Kailian moving part is crossed block face.
3. circuit breaker according to claim 2, is characterized in that: be provided with projection on the outer peripheral face of described outer ring, be provided with hinge bar between described projection and drive link and form hinged.
4. circuit breaker according to claim 3, it is characterized in that: be provided with the manual adjustments button with the coaxial setting of motor shaft on described housing, it is outer as control end that described manual adjustments button one end is arranged at housing, the other end is through housing and be fixedly installed manual adjustment rod, and the fixing other end and the hinge bar of described manual adjustment rod and manual adjustments button is hinged.
5. according to claim 2 or 3 or 4 described circuit breakers, it is characterized in that: be provided with the rolling chamber between described inner ring and outer ring, described rolling is disposed with ball in chamber.
6. circuit breaker according to claim 5, it is characterized in that: the quantity in described rolling chamber is two, described rolling chamber axially is arranged at respectively the two ends of linkage block along motor shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320499122.0U CN203386691U (en) | 2013-08-15 | 2013-08-15 | Circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320499122.0U CN203386691U (en) | 2013-08-15 | 2013-08-15 | Circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203386691U true CN203386691U (en) | 2014-01-08 |
Family
ID=49875149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320499122.0U Expired - Fee Related CN203386691U (en) | 2013-08-15 | 2013-08-15 | Circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203386691U (en) |
-
2013
- 2013-08-15 CN CN201320499122.0U patent/CN203386691U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140108 Termination date: 20140815 |
|
| EXPY | Termination of patent right or utility model |