CN101840818A - Circuit breaker opening and closing operating mechanism and power distribution cabinet drawer unit - Google Patents
Circuit breaker opening and closing operating mechanism and power distribution cabinet drawer unit Download PDFInfo
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- CN101840818A CN101840818A CN 201010161260 CN201010161260A CN101840818A CN 101840818 A CN101840818 A CN 101840818A CN 201010161260 CN201010161260 CN 201010161260 CN 201010161260 A CN201010161260 A CN 201010161260A CN 101840818 A CN101840818 A CN 101840818A
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- circuit breaker
- shift fork
- rotation
- connecting rod
- driving lever
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Abstract
The embodiment of the invention relates to a circuit breaker opening and closing actuating mechanism which adopts a combination mode of assemblies of an operating handle connecting rod, a rotary shift fork seat, a rotary connecting rod, a rotary shift rod, a sliding shift fork seat, a sliding shift fork assembly and a shift rod fixing shaft. In addition, the embodiment of the invention also provides a power distribution cabinet drawer unit. By using the circuit breaker opening and closing actuating mechanism and the power distribution cabinet drawer unit of the invention, rotation operation is changed into the translation switching operation of a switch handle at the front protruding part of the circuit breaker, the structure is simpler and the operation is flexible; the circuit breaker opening and closing actuating mechanism can be coordinately fixed with the front protruding part of the circuit breaker through the sliding shift fork seat, can be applicable to circuit breakers with various sizes and types, and has wide application scope.
Description
Technical field
The present invention relates to the power supply unit field, relate in particular to a kind of circuit breaker opening and closing operations mechanism and power distribution cabinet drawer unit.
Background technology
At present, circuit breaker (as models such as NG125) in the domestic and international low-voltage distribution cabinet drawer unit of producing, its circuit breaker opening and closing operations mechanism fixes and is located on the 3P breaker body with tapping screw, but this circuit breaker opening and closing operations mechanism can not be applied in the 1/4 less power distribution cabinet drawer unit of space because the volume problem can not be applicable to the 2P circuit breaker.
Summary of the invention
Embodiment of the invention technical problem to be solved is, a kind of circuit breaker opening and closing operations mechanism and power distribution cabinet drawer unit are provided, and can be applicable to the circuit breaker of various volumes, model, and is applied widely, and structure is simpler, flexible operation.
For solving the problems of the technologies described above, the embodiment of the invention adopts following technical scheme: a kind of circuit breaker opening and closing operations mechanism, comprise the operating grip connecting rod, rotation shift fork seat, radially offer the rotation connecting rod of bar shaped chute, be arranged in the rotation driving lever on the described rotation shift fork seat, for fixing to the slip shift fork seat on the circuit breaker front end protuberance, be used to be connected to the slip pull-fork assembly on the switch knob of circuit breaker front end protuberance, and be set up in driving lever fixed axis between described rotation shift fork seat and the described slip shift fork seat, described rotation driving lever front end is positioned at described rotation shift fork seat one side, and cooperate with described operating grip connecting rod with collaborative described operating grip connecting rod spinning movement, described rotation connecting rod one end is arranged on the described driving lever fixed axis, the other end links to each other with described slip pull-fork assembly, described rotation driving lever rear end is positioned at described rotation shift fork seat opposite side and is provided with and is used for cooperating to drive the eccentric shaft of described rotation connecting rod around described driving lever fixed axis rotation with described bar shaped chute, and described slip shift fork seat offers the horizontal concrete chute that is used for ccontaining described slip pull-fork assembly.
Further, be arranged with the rotation driving lever axle sleeve that is used to reduce itself and the friction of described bar shaped chute on the described eccentric shaft, and/or, be arranged with on the described slip declutch shift shaft and be used to reduce the slip shift fork axle sleeve that it rubs with described horizontal concrete chute.
Further, on the described driving lever fixed axis, also be provided with the driving lever spacing ring between described rotation connecting rod and the described rotation shift fork seat.
Further, described slip shift fork seat is provided with the switch limiting plate that is used to locate circuit breaker front end protuberance.
A kind of power distribution cabinet drawer unit, comprise the drawer casing that has operating grip, and be arranged at circuit breaker and circuit breaker opening and closing operations mechanism in the described drawer casing, described circuit breaker opening and closing operations mechanism comprises the operating grip connecting rod that is connected with described operating grip, rotation shift fork seat, radially offer the rotation connecting rod of bar shaped chute, be arranged in the rotation driving lever on the described rotation shift fork seat, for fixing to the slip shift fork seat on the described circuit breaker one front end protuberance, be used to be connected to the slip pull-fork assembly on the switch knob of described front end protuberance, and be set up in driving lever fixed axis between described rotation shift fork seat and the described slip shift fork seat, described rotation driving lever front end is positioned at described rotation shift fork seat one side, and cooperate with described operating grip connecting rod with collaborative described operating grip connecting rod spinning movement, described rotation connecting rod one end is arranged on the described driving lever fixed axis, the other end links to each other with described slip pull-fork assembly, described rotation driving lever rear end is positioned at described rotation shift fork seat opposite side and is provided with and is used for cooperating to drive the eccentric shaft of described rotation connecting rod around described driving lever fixed axis rotation with described bar shaped chute, and described slip shift fork seat offers the horizontal concrete chute that is used for ccontaining described slip pull-fork assembly.
Further, described power distribution cabinet drawer unit also comprises the screw propulsion mechanism that is arranged on the described drawer casing, and be arranged on the described operating grip connecting rod and link to each other with described screw propulsion mechanism, be used to lock or the described screw propulsion of release mechanism to control the chain cam mechanism that described power distribution cabinet drawer unit advances or extracts out.
Further, described circuit breaker is 2P circuit breaker or 3P circuit breaker.
Further, described power distribution cabinet drawer unit is 1/4 power distribution cabinet drawer unit or 1/2 power distribution cabinet drawer unit.
The beneficial effect of the embodiment of the invention is: by a kind of circuit breaker opening and closing operations mechanism and power distribution cabinet drawer unit are provided, wherein, circuit breaker opening and closing operations mechanism can cooperate fixing with circuit breaker front end protuberance by slip shift fork seat, applicable to various volumes, the circuit breaker of model, applied widely, and circuit breaker opening and closing operations mechanism adopts the operating grip connecting rod, rotation shift fork seat, the rotation connecting rod, the rotation driving lever, slip shift fork seat, the combination of components mode of slip pull-fork assembly and driving lever fixed axis, rotating operation is transformed to the translation switching manipulation of circuit breaker front end protuberance switch knob, the simple more and flexible operation of structure.
Below in conjunction with accompanying drawing the embodiment of the invention is described in further detail.
Description of drawings
Fig. 1 is the vertical view of 1/4 power distribution cabinet drawer unit of the embodiment of the invention; Fig. 2 is the stereogram of 1/4 power distribution cabinet drawer unit of the embodiment of the invention; Fig. 3 is the circuit breaker opening and closing operations mechanism of 1/4 power distribution cabinet drawer unit of the embodiment of the invention and the fit structure schematic diagram of 2P circuit breaker 3; Fig. 4 is the rotation connecting rod 7 of 1/4 power distribution cabinet drawer unit of the embodiment of the invention, the fit structure schematic diagram of rotation driving lever 8, slip shift fork seat 10 and driving lever fixed axis 13; Fig. 5 is the rotation connecting rod 7 of 1/4 power distribution cabinet drawer unit of the embodiment of the invention, another angle schematic diagram of fit structure of rotation driving lever 8, slip shift fork seat 10 and driving lever fixed axis 13; Fig. 6 is that the rotation connecting rod 7 of 1/4 power distribution cabinet drawer unit of the embodiment of the invention is at the schematic diagram of first movement position; Fig. 7 is that the rotation connecting rod 7 of 1/4 power distribution cabinet drawer unit of the embodiment of the invention is at the schematic diagram of second movement position; Fig. 8 is the structural representation that 2P circuit breaker 3 switch knobs of 1/4 power distribution cabinet drawer unit of the embodiment of the invention cooperate with connecting rod 20; Fig. 9 is the structural representation of rotation driving lever 8 of 1/4 power distribution cabinet drawer unit of the embodiment of the invention; Figure 10 is the front view of rotation connecting rod 7 of 1/4 power distribution cabinet drawer unit of the embodiment of the invention; Figure 11 is the end view of rotation connecting rod 7 of 1/4 power distribution cabinet drawer unit of the embodiment of the invention.
Embodiment
Extremely shown in Figure 11 as Fig. 1, the embodiment of the invention provides a kind of 1/4 power distribution cabinet drawer unit, this power distribution cabinet drawer unit comprises the drawer casing 2 that has operating grip 1, be arranged at 2P circuit breaker 3 and circuit breaker opening and closing operations mechanism in the drawer casing 2, wherein, circuit breaker opening and closing operations mechanism comprises the operating grip connecting rod 4 that is connected with operating grip 1, rotation shift fork seat 5, radially offer the rotation connecting rod 7 of bar shaped chute 6, be arranged in the rotation driving lever 8 on the rotation shift fork seat 5, for fixing to the slip shift fork seat 10 on the 2P circuit breaker 3 one front end protuberances 9 (slip shift fork seat 10 is fixed together with rotation shift fork seat 5 usefulness nuts and forms pedestal), be used to be connected to the slip pull-fork assembly 12 on the switch knob 11 of front end protuberance 9, and be set up in driving lever fixed axis 13 between rotation shift fork seat 5 and the slip shift fork seat 10, rotation driving lever 8 front ends are positioned at rotation shift fork seat 5 one sides, and cooperate with 4 spinning movements of co-operation handle and connecting rod with operating grip connecting rod 4, rotation connecting rod 7 one ends are arranged on the driving lever fixed axis 13, the other end links to each other with slip pull-fork assembly 12, rotation driving lever 8 rear ends are positioned at rotation shift fork seat 5 opposite sides and are provided with and are used for cooperating to drive the eccentric shaft 14 of rotation connecting rod 7 around 13 rotations of driving lever fixed axis with bar shaped chute 6, and slip shift fork seat 10 offers the horizontal concrete chute 15 that is used for ccontaining slip pull-fork assembly 12.
Particularly, rotation connecting rod 7 one ends offer the perforation 16 that is used to be arranged on the driving lever fixed axis, the other end is provided with rotation pitman shaft 17, slip pull-fork assembly 12 comprises the slide 19 that is arranged at slip shift fork seat 10 1 sides and is provided with the vertical chute 18 that is used for ccontaining rotation pitman shaft 17, and the pulling assembly 21 that is arranged at slip shift fork seat 10 opposite sides and links to each other with the switch knob 11 of circuit breaker front end protuberance 9 by connecting rod 20, also be provided with the slip declutch shift shaft 22 that is placed in the horizontal concrete chute 15 between slide 19 and the pulling assembly 21, the switch knob 11 of 2P circuit breaker 3 front end protuberances 9 can be connected with connecting rod 20 by a pivot pin.
In order to reduce the friction between the assembly, avoid producing the motion dead point, be arranged with the rotation driving lever axle sleeve that is used to reduce itself and 6 frictions of bar shaped chute on the eccentric shaft 14, and/or, be arranged with on the slip declutch shift shaft 22 and be used to reduce the slip shift fork axle sleeve that it rubs with horizontal concrete chute 15.
For assembly is positioned, make its when action more firm, on the driving lever fixed axis 13, rotation connecting rod 7 also is provided with driving lever spacing ring 23 with rotating between the shift fork seat 5.
Fix more stablely for slip shift fork seat 10 is cooperated with 2P circuit breaker 3, slip shift fork seat 10 is provided with the switch limiting plate 24 that is used to locate 2P circuit breaker 3 front end protuberances 9.
The operation principle of the power distribution cabinet drawer unit of the embodiment of the invention is summarized as follows: when rotating operating handle (operating grip connecting rod 4), driven rotary driving lever 8 rotates, eccentric shaft 14 slides in the bar shaped chute 6 of rotation connecting rod 7, sliding process can be once as Fig. 6, shown in Figure 7, thereby stir 7 rotations of rotation connecting rod, effect by rotation connecting rod 7, slip pull-fork assembly 12 is slided on the horizontal concrete chute 15 on the slip shift fork seat 10, thereby the switch knob 11 that drives 2P circuit breaker 3 horizontally slips to carry out switch motion, it is converted into rotatablely moving of rotating operating handle the rectilinear motion of slip pull-fork assembly 12, by the effect of connecting rod 20,2P circuit breaker 3 is disconnected or closure then.
Can realize advancing or extracting out locking in order to make power distribution cabinet drawer unit, power distribution cabinet drawer unit also comprises the screw propulsion mechanism 25 that is arranged on the drawer casing 2, and be arranged on the operating grip connecting rod 4 and link to each other with screw propulsion mechanism 25, be used to lock or the chain cam mechanism 26 of release screw propulsion mechanism 25 to control the power distribution cabinet drawer unit propelling or to extract out, like this, when switch is in "on" position, chain cam mechanism 26 locks screw propulsion mechanisms 25, power distribution cabinet drawer unit can not be extracted out, when switch is in open mode, chain cam mechanism 26 releases, screw propulsion mechanism 25 can move, at this moment, power distribution cabinet drawer unit can advance or extract out.
Need to prove that the structure of above-mentioned 1/4 power distribution cabinet drawer unit can similarly be applicable to 1/2 power distribution cabinet drawer unit, above-mentioned circuit breaker opening and closing operations mechanism can also be applied on the 3P circuit breaker.
The above is the specific embodiment of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also are considered as protection scope of the present invention.
Claims (9)
1. circuit breaker opening and closing operations mechanism, it is characterized in that, comprise the operating grip connecting rod, rotation shift fork seat, radially offer the rotation connecting rod of bar shaped chute, be arranged in the rotation driving lever on the described rotation shift fork seat, for fixing to the slip shift fork seat on the circuit breaker front end protuberance, be used to be connected to the slip pull-fork assembly on the switch knob of circuit breaker front end protuberance, and be set up in driving lever fixed axis between described rotation shift fork seat and the described slip shift fork seat, described rotation driving lever front end is positioned at described rotation shift fork seat one side, and cooperate with described operating grip connecting rod with collaborative described operating grip connecting rod spinning movement, described rotation connecting rod one end is arranged on the described driving lever fixed axis, the other end links to each other with described slip pull-fork assembly, described rotation driving lever rear end is positioned at described rotation shift fork seat opposite side and is provided with and is used for cooperating to drive the eccentric shaft of described rotation connecting rod around described driving lever fixed axis rotation with described bar shaped chute, and described slip shift fork seat offers the horizontal concrete chute that is used for ccontaining described slip pull-fork assembly.
2. circuit breaker opening and closing operations as claimed in claim 1 mechanism, it is characterized in that, described rotation connecting rod one end offers the perforation that is used to be arranged on the described driving lever fixed axis, the other end is provided with the rotation pitman shaft, described slip pull-fork assembly comprises the slide that is arranged at described slip shift fork seat one side and is provided with the vertical chute that is used for ccontaining described rotation pitman shaft, and the pulling assembly that is arranged at described slip shift fork seat opposite side and links to each other with the switch knob of circuit breaker front end protuberance by connecting rod, also be provided with the slip declutch shift shaft that is placed in the described horizontal concrete chute between described slide and the described pulling assembly.
3. circuit breaker opening and closing operations as claimed in claim 2 mechanism, it is characterized in that, be arranged with the rotation driving lever axle sleeve that is used to reduce itself and the friction of described bar shaped chute on the described eccentric shaft, and/or, be arranged with the slip shift fork axle sleeve that is used to reduce itself and the friction of described horizontal concrete chute on the described slip declutch shift shaft.
4. circuit breaker opening and closing operations as claimed in claim 1 mechanism is characterized in that, on the described driving lever fixed axis, also be provided with the driving lever spacing ring between described rotation connecting rod and the described rotation shift fork seat.
5. circuit breaker opening and closing operations as claimed in claim 1 mechanism is characterized in that described slip shift fork seat is provided with the switch limiting plate that is used to locate circuit breaker front end protuberance.
6. power distribution cabinet drawer unit, comprise the drawer casing that has operating grip, and be arranged at circuit breaker and circuit breaker opening and closing operations mechanism in the described drawer casing, it is characterized in that, described circuit breaker opening and closing operations mechanism comprises the operating grip connecting rod that is connected with described operating grip, rotation shift fork seat, radially offer the rotation connecting rod of bar shaped chute, be arranged in the rotation driving lever on the described rotation shift fork seat, for fixing to the slip shift fork seat on the described circuit breaker one front end protuberance, be used to be connected to the slip pull-fork assembly on the switch knob of described front end protuberance, and be set up in driving lever fixed axis between described rotation shift fork seat and the described slip shift fork seat, described rotation driving lever front end is positioned at described rotation shift fork seat one side, and cooperate with described operating grip connecting rod with collaborative described operating grip connecting rod spinning movement, described rotation connecting rod one end is arranged on the described driving lever fixed axis, the other end links to each other with described slip pull-fork assembly, described rotation driving lever rear end is positioned at described rotation shift fork seat opposite side and is provided with and is used for cooperating to drive the eccentric shaft of described rotation connecting rod around described driving lever fixed axis rotation with described bar shaped chute, and described slip shift fork seat offers the horizontal concrete chute that is used for ccontaining described slip pull-fork assembly.
7. power distribution cabinet drawer unit as claimed in claim 6, it is characterized in that, described power distribution cabinet drawer unit also comprises the screw propulsion mechanism that is arranged on the described drawer casing, and be arranged on the described operating grip connecting rod and link to each other with described screw propulsion mechanism, be used to lock or the described screw propulsion of release mechanism to control the chain cam mechanism that described power distribution cabinet drawer unit advances or extracts out.
8. as claim 6 or 7 described power distribution cabinet drawer units, it is characterized in that described circuit breaker is 2P circuit breaker or 3P circuit breaker.
9. as claim 6 or 7 described power distribution cabinet drawer units, it is characterized in that described power distribution cabinet drawer unit is 1/4 power distribution cabinet drawer unit or 1/2 power distribution cabinet drawer unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101612609A CN101840818B (en) | 2010-04-30 | 2010-04-30 | Circuit breaker opening and closing operating mechanism and power distribution cabinet drawer unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101612609A CN101840818B (en) | 2010-04-30 | 2010-04-30 | Circuit breaker opening and closing operating mechanism and power distribution cabinet drawer unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101840818A true CN101840818A (en) | 2010-09-22 |
| CN101840818B CN101840818B (en) | 2012-06-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101612609A Expired - Fee Related CN101840818B (en) | 2010-04-30 | 2010-04-30 | Circuit breaker opening and closing operating mechanism and power distribution cabinet drawer unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101840818B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104064412A (en) * | 2014-06-24 | 2014-09-24 | 中山市明阳电器有限公司 | Integrated electric motor protection circuit breaker manual operating mechanism |
| CN110729656A (en) * | 2019-10-17 | 2020-01-24 | 姜超 | Complete set of power switch equipment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0952650A2 (en) * | 1998-04-20 | 1999-10-27 | CUBIC-Modulsystem A/S | A switch system of the drawer type |
| CN2420762Y (en) * | 2000-04-05 | 2001-02-21 | 严洪启 | Operation mechanism for switch cabinet drawer |
| CN2850083Y (en) * | 2005-12-28 | 2006-12-20 | 四川电气设备成套厂 | Drawer device for low voltage complete switch plant |
| CN201289976Y (en) * | 2008-11-05 | 2009-08-12 | 上海泰高开关有限公司 | Small interlock propulsion mechanism |
| CN201360106Y (en) * | 2009-02-20 | 2009-12-09 | 莫耀焕 | Drawer unit and cabinet body unit thereof with anti-misoperation function |
| CN201673868U (en) * | 2010-04-30 | 2010-12-15 | 深圳奥特迅电力设备股份有限公司 | Opening and closing operating mechanism of circuit breaker and draw unit of power distribution cabinet |
-
2010
- 2010-04-30 CN CN2010101612609A patent/CN101840818B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0952650A2 (en) * | 1998-04-20 | 1999-10-27 | CUBIC-Modulsystem A/S | A switch system of the drawer type |
| CN2420762Y (en) * | 2000-04-05 | 2001-02-21 | 严洪启 | Operation mechanism for switch cabinet drawer |
| CN2850083Y (en) * | 2005-12-28 | 2006-12-20 | 四川电气设备成套厂 | Drawer device for low voltage complete switch plant |
| CN201289976Y (en) * | 2008-11-05 | 2009-08-12 | 上海泰高开关有限公司 | Small interlock propulsion mechanism |
| CN201360106Y (en) * | 2009-02-20 | 2009-12-09 | 莫耀焕 | Drawer unit and cabinet body unit thereof with anti-misoperation function |
| CN201673868U (en) * | 2010-04-30 | 2010-12-15 | 深圳奥特迅电力设备股份有限公司 | Opening and closing operating mechanism of circuit breaker and draw unit of power distribution cabinet |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104064412A (en) * | 2014-06-24 | 2014-09-24 | 中山市明阳电器有限公司 | Integrated electric motor protection circuit breaker manual operating mechanism |
| CN110729656A (en) * | 2019-10-17 | 2020-01-24 | 姜超 | Complete set of power switch equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101840818B (en) | 2012-06-13 |
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Granted publication date: 20120613 Termination date: 20210430 |