CN102254755A - Operation mechanism of circuit breaker - Google Patents
Operation mechanism of circuit breaker Download PDFInfo
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- CN102254755A CN102254755A CN2011101769493A CN201110176949A CN102254755A CN 102254755 A CN102254755 A CN 102254755A CN 2011101769493 A CN2011101769493 A CN 2011101769493A CN 201110176949 A CN201110176949 A CN 201110176949A CN 102254755 A CN102254755 A CN 102254755A
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- connecting rod
- support
- tripping
- locking
- bar
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Abstract
The invention discloses an operation mechanism of a circuit breaker, comprising a main bracket, a connecting rod linkage mechanism and a latching mechanism, wherein the connecting rod linkage mechanism comprises an operation handle, a first connecting rod, a second connecting rod and a third connecting rod which are connected in turn through a connection bolt; the operation handle is pivoted to the upper part of the main bracket; a first torsion spring is assembled on a pivot; the tail end of the third connecting rod is pivoted to the lower part of the main bracket; the operation mechanism further comprises a tension spring; two ends of the tension spring are respectively fixed on the main bracket and the third connecting rod; the latching mechanism comprises a latching rod and a jump buckle; one end of the latching rod is pivoted to the middle part of the main bracket; a linear groove is arranged at the other end of the latching rod; the connection bolt connected with the first connecting rod and the second connecting rod passes through the linear groove simultaneously; the jump buckle is pivoted to the main bracket and positioned at one side of the latching rod; a second torsion spring is assembled on a pivot of the jump buckle; and both the jump buckle and the latching rod are provided with action parts arranged in a mutual butting manner. The operation mechanism of the circuit breaker disclosed by the invention has the advantages of being simple in structure, small in volume, and flexible and convenient for operation and control.
Description
Technical field
The invention belongs to breaker technical field, more specifically to a kind of circuit breaker operation mechanism.
Background technology
At present, along with the development of architectural electricity and building automation, the application of circuit breaker in the house power distribution system more and more widely.An existing class miniature circuit breaker that applies in the house power distribution system is made up of Switch main body and alarm module two parts usually, wherein Switch main body is usually again by the main circuit current release, subsidiary loop current-release device, main contact, auxiliary contact, operating mechanism, electromagnetic system, arc quenching system are formed, and operating mechanism is determining the realization function of combined floodgate, tripping operation as the core institution of this class switch.
The existing circuit breaker operating mechanism all is fixed on the case for circuit breaker inboard usually, and controls the motion of movable contact bridge by operating grip and connecting rod link gear, realizes that movable contact bridge and this just are fixed on the folding of the stationary contact bridge in the case for circuit breaker.Yet the existing circuit breaker operating mechanism is complex structures all usually, and volume is too fat to move, and controls inconvenience, is not suitable for being assemblied in the miniature circuit breaker shell.
Summary of the invention
The present invention seeks to: provide a kind of simple in structure, volume is small and exquisite and control flexible circuit breaker operation mechanism, especially is fit to be assemblied in the miniature circuit breaker shell.
Technical scheme of the present invention is: a kind of circuit breaker operation mechanism comprises main support, connecting rod link gear and latching device; It is characterized in that described connecting rod link gear comprises by connecting operating grip, first connecting rod, second connecting rod and the third connecting rod that bolt links to each other in proper order, wherein said operating grip is articulated in main support top, be equipped with first torsion spring on the pivot, the end of described third connecting rod is articulated in the main support bottom; Also comprise extension spring, described extension spring two ends are separately fixed on main support and the third connecting rod; Described latching device comprises locking-bar and tripping, and wherein locking-bar one end is articulated in the main support middle part, and the other end is provided with the linear pattern groove, and the connection bolt that connects first connecting rod and second connecting rod passes described linear pattern groove simultaneously; Described tripping is articulated on the main support, and is positioned at locking-bar one side, is equipped with second torsion spring on the drive-connecting shaft of tripping; Be equipped with competing service portion on described tripping and the locking-bar.
Further, main support described in the present invention comprises first support and second support, and first, second, the 3rd and the 4th by being parallel to each other between described first support and second support is connected and fixed; First the top that is positioned at main support wherein, second below that is positioned at main support, and the 3rd and the 4th be between first and second, and the 3rd is positioned at the 4th right side; Described operating grip is rotatably installed on first, and an end of this operating grip connects bolt by first and is connected with first connecting rod; First connecting rod connects bolt by second and is connected with second connecting rod; Second connecting rod connects bolt by the 3rd and is connected with third connecting rod; The other end of third connecting rod is provided with slotted hole, and be set in rotationally on second by this slotted hole, first torsion spring is housed in the operating grip, first torsion spring has two arms, wherein the first arm acts on the operating grip, and second arm acts in the deduction of one on first support hole.
Further, the top of first support described in the present invention is provided with the first additional bending arm, the first support inboard has first convex shoulder in addition, and the described second support inboard has second convex shoulder relative with first convex shoulder, and the middle part of second support also is provided with the second additional bending arm simultaneously; One end of described locking-bar is provided with the locking-bar through hole, and first convex shoulder on this locking-bar through hole and first support and second convex shoulder on second support match, thereby make locking-bar be supported on rotationally on first support and second support; Second connects bolt is arranged in the linear pattern groove on the locking-bar, thereby can slide within it; Locking-bar has the 3rd convex shoulder at this end with linear pattern groove; Has a triangular groove in the described tripping, second torsion spring is housed in this triangular groove, second torsion spring has two arms, wherein the first arm acts in the tripping, second arm acts on the first additional bending arm of first support, an end of tripping also has a tripping through hole in addition, and tripping is sheathed on the 3rd rotationally by this tripping through hole; The tripping other end is provided with a boss, and the 3rd convex shoulder on the locking-bar is close on this boss.
Further again, one end of third connecting rod described in the present invention is provided with a nose frame, riveted joint movable contact bridge on the nose frame, the other end of third connecting rod has the additional bending arm of a connecting rod, the lower end of described extension spring hangs on the additional bending arm of connecting rod, and the extension spring upper end then hangs on the additional bending arm of second on second support.
Further, the periphery of first support described in the present invention or second support is provided with some bending arms that are installed on the case for circuit breaker that are used for fixing.
Course of action of the present invention is described below:
When clockwise rotating the operating grip combined floodgate, operating grip drives first connecting rod, first connecting rod and drives second connecting rod, second connecting rod and drive pulling force that third connecting rod overcomes extension spring and make the direction closure of movable contact bridge towards stationary contact bridge (stationary contact bridge predetermined fixed in case for circuit breaker inside, and be positioned at movable contact bridge top); When mechanism closed a floodgate fully, first connects bolt was centered close to first center connects the bolt center with second line of centres right side, and this moment, entire mechanism was in stable make position.
Advantage of the present invention is:
This circuit breaker operation mechanism provided by the invention can not only satisfy the needs that the normal connection of circuit breaker disconnects, and simple in structure, and volume is small and exquisite, controls flexiblely, and it can be manufactured into a module independently, especially is fit to be assemblied in the miniature circuit breaker shell.
Description of drawings
Fig. 1 is an axonometric drawing of the present invention;
Fig. 2 is the perspective view at a kind of visual angle of main support of the present invention;
Fig. 3 is the perspective view at another visual angle of main support;
Fig. 4 is main TV structure figure of the present invention (circuit breaker " separating brake " state);
Fig. 5 is main TV structure figure of the present invention (circuit breaker " combined floodgate " state);
Fig. 6 to Fig. 8 is that the present invention is by the process schematic diagram of separating brake position to closing position.
Wherein: 11, first support; 12, second support; 13, first; 14, the 3rd; 15, the 4th; 16, second; 17, the first bending arm; 18, the second bending arm; 19, the 3rd bending arm; 20, the first additional bending arm; 21, first convex shoulder; 22, second convex shoulder; 23, the second additional bending arm; 31, operating grip; 32, first connects bolt; 33, first connecting rod; 34, second connects bolt; 35, second connecting rod; 36, the 3rd connects bolt; 37, third connecting rod; 40, first torsion spring; 41, the first arm; 42, second arm; 45, locking-bar; 46, locking-bar through hole; 47, linear pattern groove; 48, the 3rd convex shoulder; 50, tripping; 51, triangular groove; 52, second torsion spring; 53, the first arm; 54, second arm; 55, tripping through hole; 56, boss; 60, nose frame; 63, movable contact bridge; 65, the additional bending arm of connecting rod; 70, extension spring; 80, stationary contact bridge; 83, first connects the bolt center; 84, first center; 85, the line of centres; 86, second connects the bolt center.
Embodiment
Below in conjunction with accompanying drawing, specify technical scheme of the present invention.
Fig. 1 has disclosed axonometric drawing of the present invention, shows overall structure of the present invention, and for concrete parts wherein, in conjunction with decomposition view, Fig. 2 is described below to Fig. 5:
At first with reference to figure 2,3, show main support of the present invention: this main support comprises first support 11 and second support 12, and first 13, second 16, the 3rd 14 and the 4th 15 by being parallel to each other between described first support 11 and second support 12 are connected and fixed; First 13 the top that is positioned at main support wherein, second 16 below that is positioned at main support, and the 3rd 14 and the 4th 15 between first 13 and second 16, and the 3rd 14 is positioned at the 4th 15 right sides.The periphery of described first support 11 has and is used for fixing the first bending arm, 17, the second bending arms 18 and the 3rd bending arm 19 that is installed on the case for circuit breaker; The top of first support 11 also is provided with the first additional bending arm 20, first support, 11 inboards have first convex shoulder 21 in addition, and second support, 12 inboards have second convex shoulder 22 relative with first convex shoulder 21, and the middle part of second support 12 also is provided with the second additional bending arm 23 simultaneously.
Shown in figure 4,5, connecting rod link gear and latching device in the present embodiment are as follows:
Described operating grip 31 is rotatably installed on first 13, and an end of this operating grip 31 connects bolt 32 by first and is connected with first connecting rod 33; First connecting rod 33 connects bolt 34 by second and is connected with second connecting rod 35; Second connecting rod 35 connects bolt 36 by the 3rd and is connected with third connecting rod 37; 37 other ends of third connecting rod are provided with slotted hole, and are set in rotationally on second 16 by this slotted hole.First torsion spring, 40, the first torsion springs 40 are housed in the operating grip 31 have two arms, wherein the first arm 41 acts on the operating grip 31, and second arm 42 acts in the deduction hole of one on first support 11 (not marking among the figure).
One end of described locking-bar 45 is provided with locking-bar through hole 46, first convex shoulder 21 on this locking-bar through hole 46 and first support 11 and second convex shoulder 22 on second support 12 match, thereby make locking-bar 45 be supported on rotationally on first support 11 and second support 12.The other end of locking-bar 45 has always linear groove 47, the second connect bolts 34 to be arranged in the linear pattern groove 47, thereby can slide within it; Locking-bar 45 has the 3rd convex shoulder 48 at this end with linear pattern groove 47.Has a triangular groove 51 in the described tripping 50, second torsion spring 52 is housed in this triangular groove 51, second torsion spring 52 has two arms, wherein the first arm 53 acts in the tripping 50, second arm 54 acts on the first additional bending arm 20 of first support 11, an end of tripping 50 also has a tripping through hole 55 in addition, and tripping 50 is sheathed on the 3rd 14 rotationally by this tripping through hole 55.Tripping 50 other ends are provided with a boss 56, and the 3rd convex shoulder 48 on the locking-bar 45 is close on this boss 56, thereby make whole operation mechanism enough become snap close on the snap close position.
The present invention is provided with a nose frame 60 at an end of described third connecting rod 37, riveted joint movable contact bridge 63 on the nose frame 60, the other end of third connecting rod 37 has the additional bending arm 65 of a connecting rod, the present invention also has an extension spring 70, the lower end of this extension spring 70 hangs on the additional bending arm 65 of connecting rod, and extension spring 70 upper ends then hang on the additional bending arm 23 of second on second support 12.
Show the course of action of present embodiment with reference to figure 6-8, be described below:
When clockwise rotating operating grip 31 combined floodgates, operating grip 31 drive first connecting rods 33, first connecting rod 33 drive second connecting rods 35, second connecting rod 35 drive pulling force that third connecting rods 37 overcome extension spring 70 make movable contact bridge 63 towards stationary contact bridge 80(stationary contact bridge 80 predetermined fixed in case for circuit breaker inside, and be positioned at movable contact bridge 63 tops) the direction closure; When mechanism closed a floodgate fully, first connects bolt center 83 was positioned at first center 84 connects bolt center 86 with second the line of centres 85 right sides, and this moment, entire mechanism was in stable make position.
Present embodiment has following advantage:
This circuit breaker operation mechanism that present embodiment provides can not only satisfy the needs of the normal connection disconnection of circuit breaker, and simple in structure, volume is small and exquisite, controls flexible, it can be manufactured into a module independently, especially is fit to be assemblied in the miniature circuit breaker shell.
The foregoing description provides to being familiar with the person in the art and realizes or use of the present invention; those skilled in the art can be under the situation that does not break away from invention thought of the present invention; the foregoing description is made various modifications or variation; thereby protection scope of the present invention do not limit by the foregoing description, and should meet the maximum magnitude of the inventive features that claims mention.
Claims (5)
1. a circuit breaker operation mechanism comprises main support, connecting rod link gear and latching device; It is characterized in that described connecting rod link gear comprises by connecting operating grip (31), first connecting rod (33), second connecting rod (35) and the third connecting rod (37) that bolt links to each other in proper order, wherein said operating grip (31) is articulated in main support top, be equipped with first torsion spring (40) on the pivot, the end of described third connecting rod (37) is articulated in the main support bottom; Also comprise extension spring (70), described extension spring (70) two ends are separately fixed on main support and the third connecting rod (37); Described latching device comprises locking-bar (45) and tripping (50), wherein locking-bar (45) one ends are articulated in the main support middle part, the other end is provided with linear pattern groove (47), and the connection bolt that connects first connecting rod (33) and second connecting rod (35) passes described linear pattern groove (47) simultaneously; Described tripping (50) is articulated on the main support, and is positioned at locking-bar (45) one sides, is equipped with second torsion spring (52) on the drive-connecting shaft of tripping (50); Be equipped with competing service portion on described tripping (50) and the locking-bar (45).
2. circuit breaker operation mechanism according to claim 1, it is characterized in that described main support comprises first support (11) and second support (12), be connected and fixed by first (13), second (16) that are parallel to each other, the 3rd (14) and the 4th (15) between described first support (11) and second support (12); Wherein first (13) are positioned at the top of main support, second (16) are positioned at the below of main support, and the 3rd (14) and the 4th (15) be positioned between first (13) and second (16), and the 3rd (14) are positioned at the 4th (15) right side; Described operating grip (31) is rotatably installed on first (13), and an end of this operating grip (31) connects bolt (32) by first and is connected with first connecting rod (33); First connecting rod (33) connects bolt (34) by second and is connected with second connecting rod (35); Second connecting rod (35) connects bolt (36) by the 3rd and is connected with third connecting rod (37); (37) other end of third connecting rod is provided with slotted hole, and be set in rotationally on second (16) by this slotted hole, first torsion spring (40) is housed in the operating grip (31), first torsion spring (40) has two arms, wherein the first arm (41) acts on the operating grip (31), and second arm (42) acts in the deduction of one on first support (11) hole.
3. circuit breaker operation mechanism according to claim 2, the top that it is characterized in that described first support (11) is provided with the first additional bending arm (20), first support (11) inboard has first convex shoulder (21) in addition, and described second support (12) inboard has second convex shoulder (22) relative with first convex shoulder (21), and the middle part of second support (12) also is provided with the second additional bending arm (23) simultaneously; One end of described locking-bar (45) is provided with locking-bar through hole (46), first convex shoulder (21) on this locking-bar through hole (46) and first support (11) and second convex shoulder (22) on second support (12) match, thereby make locking-bar (45) be supported on rotationally on first support (11) and second support (12); Second connects bolt (34) is arranged in the linear pattern groove (47) on the locking-bar (45), thereby can slide within it; Locking-bar (45) has the 3rd convex shoulder (48) at this end with linear pattern groove (47); Has a triangular groove (51) in the described tripping (50), second torsion spring (52) is housed in this triangular groove (51), second torsion spring (52) has two arms, wherein the first arm (53) acts in the tripping (50), second arm (54) acts on the first additional bending arm (20) of first support (11), one end of tripping in addition (50) also has a tripping through hole (55), and tripping (50) is sheathed on the 3rd (14) rotationally by this tripping through hole (55); Tripping (50) other end is provided with a boss (56), and the 3rd convex shoulder (48) on the locking-bar (45) is close on this boss (56).
4. circuit breaker operation mechanism according to claim 3, an end that it is characterized in that described third connecting rod (37) is provided with a nose frame (60), nose frame (60) is gone up riveted joint movable contact bridge (63), the other end of third connecting rod (37) has the additional bending arm (65) of a connecting rod, the lower end of described extension spring (70) hangs on the additional bending arm (65) of connecting rod, and extension spring (70) upper end then hangs on the additional bending arm (23) of second on second support (12).
5. circuit breaker operation mechanism according to claim 2 is characterized in that the periphery of described first support (11) or second support (12) is provided with some bending arms that are installed on the case for circuit breaker that are used for fixing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110176949 CN102254755B (en) | 2011-06-28 | 2011-06-28 | Operation mechanism of circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110176949 CN102254755B (en) | 2011-06-28 | 2011-06-28 | Operation mechanism of circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102254755A true CN102254755A (en) | 2011-11-23 |
| CN102254755B CN102254755B (en) | 2013-10-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110176949 Active CN102254755B (en) | 2011-06-28 | 2011-06-28 | Operation mechanism of circuit breaker |
Country Status (1)
| Country | Link |
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| CN (1) | CN102254755B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103745892A (en) * | 2014-01-16 | 2014-04-23 | 徐波 | Operation mechanism of small-size breaker |
| CN106935451A (en) * | 2015-12-30 | 2017-07-07 | 三信国际电器上海有限公司 | A kind of closing device and the residual current action breaker with the device |
| CN107639642A (en) * | 2017-10-31 | 2018-01-30 | 广州市明道灯光科技股份有限公司 | Handshaking type logic executing agency |
| WO2023098841A1 (en) * | 2021-12-02 | 2023-06-08 | 上海正泰智能科技有限公司 | Circuit breaker |
| WO2023098840A1 (en) * | 2021-12-02 | 2023-06-08 | 上海正泰智能科技有限公司 | Operating mechanism and switching device |
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| CN103745892A (en) * | 2014-01-16 | 2014-04-23 | 徐波 | Operation mechanism of small-size breaker |
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| CN106935451B (en) * | 2015-12-30 | 2019-04-30 | 三信国际电器上海有限公司 | A kind of closing device and the residual current action breaker with the device |
| CN107639642A (en) * | 2017-10-31 | 2018-01-30 | 广州市明道灯光科技股份有限公司 | Handshaking type logic executing agency |
| CN107639642B (en) * | 2017-10-31 | 2023-11-17 | 广州市明道文化科技集团股份有限公司 | handshake logic actuator |
| WO2023098841A1 (en) * | 2021-12-02 | 2023-06-08 | 上海正泰智能科技有限公司 | Circuit breaker |
| WO2023098840A1 (en) * | 2021-12-02 | 2023-06-08 | 上海正泰智能科技有限公司 | Operating mechanism and switching device |
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|---|---|
| CN102254755B (en) | 2013-10-16 |
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