CN219040382U - Breaking circuit actuating mechanism of circuit breaker - Google Patents
Breaking circuit actuating mechanism of circuit breaker Download PDFInfo
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- CN219040382U CN219040382U CN202223391930.3U CN202223391930U CN219040382U CN 219040382 U CN219040382 U CN 219040382U CN 202223391930 U CN202223391930 U CN 202223391930U CN 219040382 U CN219040382 U CN 219040382U
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Abstract
The utility model discloses a breaking circuit actuating mechanism of a circuit breaker, which comprises a shell, wherein an electromagnetic power source and a first force transfer plate are arranged in the shell, a lock rod which is in butt joint with one side surface of the first force transfer plate is arranged at the other end of the first force transfer plate, the lock rod is rotationally connected with the shell, one side surface of the lock rod, which is close to the electromagnetic power source, is a locking surface, the other side surface of the lock rod is a releasing surface, the breaking circuit actuating mechanism further comprises a second force transfer plate which is rotationally connected with the shell, an accelerating spring is arranged between the upper end of the second force transfer plate and the shell, the upper end of the second force transfer plate is in butt joint with one side of the first force transfer plate, the L-shaped reset plate comprises a first connecting plate and a second connecting plate, and a pressing block is arranged on one side of the first connecting plate, and the first force transfer plate can be accelerated through the arrangement of the accelerating spring in the structure, and meanwhile the loaded force of the first force transfer plate is improved.
Description
Technical Field
The utility model relates to the field of circuit breaker control, in particular to a breaking circuit executing mechanism of a circuit breaker.
Background
A circuit breaker (english name: circuit-breaker) refers to a switching device capable of closing, carrying and breaking a current under normal circuit conditions and capable of closing, carrying and breaking a current under abnormal circuit conditions for a prescribed time. And the opening and closing of the circuit breaker are all driven by an external actuating mechanism.
The current circuit breaker drive actuating mechanism structure is complicated, and can't realize the operation that resets, and first biography power board resets to initial position, as chinese patent 201010503038.2 discloses the tripping actuating mechanism of circuit breaker, its structure includes including magnetic flux converter, tripping output device between magnetic flux converter and the tripping output device, is equipped with a mechanical force amplification device, and this mechanical force amplification device contains: a rotation shaft that is reset by a torsion spring; the first force transmission plate is braked by the rotating shaft and stored by the energy storage spring, and the tripping output device is driven by the first force transmission plate to act; a base for supporting the rotation shaft and the first force transmission plate; the magnetic flux converter can impact the rotating shaft to enable the rotating shaft to rotate, the rotating shaft releases the first force transmission plate after rotating, and the first force transmission plate drives the tripping output device to act under the action of the energy storage spring. This structure has the drawbacks described above.
Disclosure of Invention
The technical problem solved by the utility model is to provide the breaker breaking circuit executing mechanism which has a simple structure and can realize automatic resetting of the first force transmission plate.
The technical scheme adopted for solving the technical problems is as follows: an electromagnetic power source is arranged in the shell, and is characterized in that: the electromagnetic power source is characterized in that a first force transmission plate is further arranged in the shell, the first force transmission plate is arranged on one side of the driving end of the electromagnetic power source, one end of the first force transmission plate extends out of the shell, the other end of the first force transmission plate is provided with a lock rod which is in butt joint with one side face of the first force transmission plate, the lock rod is rotationally connected with the shell, a torsion spring is arranged between the lock rod and the shell, one end of the torsion spring is fixedly connected with the shell, the other end of the torsion spring is fixedly connected with the lock rod, one side face, close to the electromagnetic power source, of the lock rod is a locking face, the other side face of the lock rod is a releasing face, the electromagnetic power source is further provided with a second force transmission plate which is rotationally connected with the shell, and an accelerating spring is arranged between the upper end of the second force transmission plate and the first force transmission plate is in butt joint towards one side of the electromagnetic power source;
the device comprises a shell, a first connecting plate, a second connecting plate, a pressing block, a connecting hole and a return spring, wherein the first connecting plate is arranged on the shell;
the device also comprises a reset button, and a force transmission assembly is arranged between the reset button and the second force transmission plate.
The force transmission assembly comprises a third force transmission rod and a fourth force transmission rod, the middle part of the third force transmission rod is rotationally connected with the shell, one end of the third force transmission rod is provided with a supporting rod extending to the locking surface, a spring is arranged between the other end of the third force transmission rod and the shell, and when the third force transmission rod is in a locking state, the bottom of the second force transmission plate is in abutting connection with the locking surface, and the supporting rod is in abutting connection with the locking surface; when in a release state, the bottom of the second force transmission plate is abutted with the release surface.
The middle part of fourth dowel steel rotates with the casing to be connected, the one end of fourth dowel steel is provided with the inserted bar, the inserted bar stretches into in the recess, the other end of fourth dowel steel and reset button's lower extreme butt.
Further is: the locking surface and the releasing surface are arc surfaces, the arc direction of the arc surface of the locking surface is opposite to that of the arc surface of the releasing surface, the bottom of the second connecting plate comprises a first arc surface abutted to the locking surface and a folded surface contacted with the releasing surface, and the folded surface is concavely folded inwards.
Further is: the connecting rod is arranged at one side of the bottom end of the first force transmission plate, which faces the lock rod, the jack is arranged at one side of the bottom end of the lock rod, which faces the first force transmission plate, and the connecting rod is inserted in the jack.
Further is: the reset button comprises a button and a button connecting rod positioned at the top of the button, a convex plate is arranged at the bottom of the button connecting rod, and the bottom surface of the convex plate is abutted to the other end of the fourth dowel bar.
The beneficial effects of the utility model are as follows: the first force transmission plate can be accelerated through the arrangement of the accelerating spring, the loaded force of the first force transmission plate is improved, the magnetic force is not only relied on, the final stroke of the first force transmission plate is related to the external load force under the action of the accelerating spring, the spring with proper tension is selected, different load forces and different strokes can be compatible, and meanwhile, the L-shaped reset plate can realize the automatic reset of the first force transmission plate.
Drawings
Fig. 1 is a schematic structural diagram of a breaker breaking circuit executing mechanism according to an embodiment of the present application.
Fig. 2 is a schematic structural diagram of another view of the breaker breaking circuit actuator according to the embodiment of the present application.
Fig. 3 is a schematic structural view of a lock lever of a breaker breaking circuit executing mechanism according to an embodiment of the present application.
Fig. 4 is a schematic diagram of an internal structure of a breaker breaking circuit executing mechanism according to an embodiment of the present application.
Marked in the figure as: the electromagnetic power source 1, a first force transfer plate 2, a lock rod 3, a torsion spring 4, a locking surface 5, a releasing surface 6, a second force transfer plate 7, an accelerating spring 8, a first connecting plate 9, a second connecting plate 10, a pressing block 11, a reset button 12, a third force transfer rod 13, a fourth force transfer rod 14 and a butt joint rod 15.
Detailed Description
In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model.
As shown in fig. 1 to 4, an embodiment of the application discloses a breaking circuit executing mechanism of a breaker, an electromagnetic power source 1 is arranged in a shell, a first force transmission plate 2 is also arranged in the shell, the first force transmission plate 2 is arranged at one side of a driving end of the electromagnetic power source 1, one end of the first force transmission plate 2 extends out of the shell, the other end of the first force transmission plate 2 is provided with a lock rod 3 abutted to one side surface of the first force transmission plate 2, the lock rod 3 is rotationally connected with the shell, a torsion spring 4 is arranged between the lock rod 3 and the shell, one end of the torsion spring 4 is fixedly connected with the shell, the other end of the torsion spring 4 is fixedly connected with the lock rod 3, one side surface of the lock rod 3 close to the electromagnetic power source 1 is a locking surface 5, the other side surface of the lock rod 3 is a release surface 6, the breaking circuit executing mechanism further comprises a second force transmission plate 7 rotationally connected with the shell, an accelerating spring 8 is arranged between the upper end of the second force transmission plate 7 and the shell, and the upper end of the second force transmission plate 7 is abutted to one side of the first force transmission plate 2 towards the electromagnetic power source 1;
the device comprises a shell, and is characterized by further comprising an L-shaped reset plate, wherein the L-shaped reset plate comprises a first connecting plate 9 and a second connecting plate 10, a rotating rod positioned in the shell is arranged at one end, far away from the second connecting plate 10, of the first connecting plate 9, a pressing block 11 is arranged at one side, facing the second force transmission plate 7, of the first connecting plate 9, a connecting hole is formed in the second connecting plate 10, and a reset spring connected with the shell is arranged at the connecting hole;
and a reset button 12 is further included, and a force transmission assembly is arranged between the reset button 12 and the second force transmission plate 7.
The force transmission assembly comprises a third force transmission rod 13 and a fourth force transmission rod 14, the middle part of the third force transmission rod 13 is rotationally connected with the shell, one end of the third force transmission rod 13 is provided with a supporting rod 15 extending to the locking surface 5, a spring is arranged between the other end of the third force transmission rod 13 and the shell, when the force transmission assembly is in a locking state, the bottom of the second force transmission plate 7 is in supporting connection with the locking surface 5, and the supporting rod 15 is in supporting connection with the locking surface 5; when in the released state, the bottom of the second force transfer plate 7 abuts against the release surface 6.
The middle part of fourth dowel steel 14 rotates with the casing to be connected, the one end of fourth dowel steel 14 is provided with the inserted bar, the inserted bar stretches into in the recess, the other end of fourth dowel steel 14 and the lower extreme butt of reset button 12.
Specifically, it should be explained that the second connection plate 10 is in contact with an external driving mechanism, and the external driving mechanism can drive the rotating rod of the L-shaped reset plate to rotate counterclockwise.
Specifically, when the circuit breaking operation needs to be performed, the electromagnetic power source 1 sends out action, the first force transmission plate 2 is pushed forward, the first force transmission plate 2 pushes the lock rod 3 by means of plane contact, the second force transmission plate 7 is released after the lock rod 3 rotates to the critical position, the contact surface between the lock rod 3 and the second force transmission plate 7 is changed into the locking surface 5 from the release surface 6, after the second force transmission plate 7 is released, the accelerating spring 8 on the second force transmission plate 7 pulls the second force transmission plate 7 to rotate clockwise, the second force transmission plate 7 rotates clockwise to push the first force transmission plate 2 through contact cooperation, the clockwise rotation of the first force transmission plate is accelerated, meanwhile, the loaded force is also increased, the first force transmission plate 2 is locked by the second force transmission plate 7, no backspacing is generated, meanwhile, the extending end of the first force transmission plate 2 triggers the action of an external mechanism, namely, the frame circuit breaker is broken, the external driving mechanism drives the L-shaped reset plate to rotate anticlockwise along the rotating rod, the pressing block 11 presses the second force transmission plate 7 to enable the second force transmission plate to return to the initial position, meanwhile, the accelerating spring 8 is enabled to store energy, the first force transmission plate 2 is driven by the third force transmission plate 2 to be locked, and the reset spring is required to be reset when the reset plate 2 is in a reset state is reset, and the reset button is not to be reset, and the first force transmission plate is required to be reset, and the reset plate is in a state is reset by a reset button is reset.
In the above structure, the first force transfer plate 2 can be accelerated through the arrangement of the accelerating spring 8, the loaded force is improved, the magnetic force is not only relied on, the final stroke of the first force transfer plate 2 is related to the external load force under the action of the accelerating spring 8, the spring with proper tension is selected, different load forces and different strokes can be compatible, and meanwhile, the L-shaped reset plate can realize the automatic reset of the first force transfer plate 2.
In this embodiment, the locking surface 5 and the releasing surface 6 are both arc surfaces, the arc direction of the arc surface of the locking surface 5 is opposite to the arc direction of the arc surface of the releasing surface 6, the bottom of the second connecting plate 10 includes a first arc surface abutting against the locking surface 5 and a folded surface contacting with the releasing surface 6, and the folded surface is concavely folded inwards.
The arrangement of the arc-shaped surface can ensure the smoothness of the action of the first force transmission plate 2 and the movement of the lock plate, and meanwhile, the arrangement of the folded surface can realize the mutual butt joint of the first force transmission plate 2 and the lock plate.
In this embodiment, the bottom of the first force transfer plate 2 is provided with a connecting rod towards one side of the lock rod 3, one side of the lock rod 3 towards the bottom of the first force transfer plate 2 is provided with a jack, and the connecting rod is inserted in the jack.
The arrangement of the structure can play a role in positioning the first force transmission plate 2, so that the first force transmission plate 2 only rotates relative to the lock rod 3 without other displacement.
While the foregoing is directed to embodiments of the present utility model, other and further details of the utility model may be had by the present utility model, it should be understood that the foregoing description is merely illustrative of the present utility model and that no limitations are intended to the scope of the utility model, except insofar as modifications, equivalents, improvements or modifications are within the spirit and principles of the utility model.
Claims (4)
1. The breaker breaking circuit actuating mechanism comprises a shell, wherein an electromagnetic power source (1) is arranged in the shell, and is characterized in that: the electromagnetic power source is characterized in that a first force transmission plate (2) is further arranged in the shell, the first force transmission plate (2) is arranged on one side of the driving end of the electromagnetic power source (1), one end of the first force transmission plate (2) extends out of the shell, a lock rod (3) which is in butt joint with one side of the first force transmission plate (2) is arranged at the other end of the first force transmission plate (2), the lock rod (3) is rotationally connected with the shell, a torsion spring (4) is arranged between the lock rod (3) and the shell, one end of the torsion spring (4) is fixedly connected with the shell, the other end of the torsion spring (4) is fixedly connected with the lock rod (3), one side, close to the electromagnetic power source (1), of the lock rod (3) is provided with a locking surface (5), the other side, which is provided with a release surface (6), of the second force transmission plate (7) is rotationally connected with the shell, an accelerating spring (8) is arranged between the upper end of the second force transmission plate (7) and one side of the first force transmission plate (2) is in butt joint towards the electromagnetic power source (1).
The novel high-voltage power transmission device comprises a shell, and is characterized by further comprising an L-shaped reset plate, wherein the L-shaped reset plate comprises a first connecting plate (9) and a second connecting plate (10), a rotating rod positioned in the shell is arranged at one end, far away from the second connecting plate (10), of the first connecting plate (9), a pressing block (11) is arranged at one side, facing the second force transmission plate (7), of the first connecting plate (9), a connecting hole is formed in the second connecting plate (10), and a reset spring connected with the shell is arranged at the connecting hole;
the device also comprises a reset button (12), wherein a force transmission assembly is arranged between the reset button (12) and the second force transmission plate (7);
the force transmission assembly comprises a third force transmission rod (13) and a fourth force transmission rod (14), the middle part of the third force transmission rod (13) is rotationally connected with the shell, one end of the third force transmission rod (13) is provided with a supporting rod (15) extending to the locking surface (5), a spring is arranged between the other end of the third force transmission rod (13) and the shell, when the locking state is achieved, the bottom of the second force transmission plate (7) is in supporting connection with the locking surface (5), and the supporting rod (15) is in supporting connection with the locking surface (5); when the release state is in, the bottom of the second force transmission plate (7) is abutted with the release surface (6);
the middle part of fourth dowel steel (14) is connected with the casing rotation, the one end of fourth dowel steel (14) is provided with the inserted bar, the inserted bar stretches into in the recess, the lower extreme butt of the other end and reset button (12) of fourth dowel steel (14).
2. The circuit breaker breaking actuator of claim 1, wherein: the locking surface (5) and the releasing surface (6) are arc-shaped surfaces, the arc-shaped surfaces of the locking surface (5) are opposite to the arc-shaped surfaces of the releasing surface (6), the bottom of the second connecting plate (10) comprises a first arc-shaped surface which is abutted to the locking surface (5) and a folded surface which is contacted with the releasing surface (6), and the folded surface is concavely folded inwards.
3. The circuit breaker breaking actuator of claim 1, wherein: the connecting rod is arranged at one side of the bottom end of the first force transmission plate (2) towards the lock rod (3), a jack is arranged at one side of the bottom end of the lock rod (3) towards the first force transmission plate (2), and the connecting rod is inserted into the jack.
4. A circuit breaker breaking actuator as claimed in claim 3, wherein: the reset button (12) comprises a button and a button connecting rod positioned at the top of the button, a convex plate is arranged at the bottom of the button connecting rod, and the bottom surface of the convex plate is abutted with the other end of the fourth dowel bar (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223391930.3U CN219040382U (en) | 2022-12-19 | 2022-12-19 | Breaking circuit actuating mechanism of circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223391930.3U CN219040382U (en) | 2022-12-19 | 2022-12-19 | Breaking circuit actuating mechanism of circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219040382U true CN219040382U (en) | 2023-05-16 |
Family
ID=86275520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223391930.3U Active CN219040382U (en) | 2022-12-19 | 2022-12-19 | Breaking circuit actuating mechanism of circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219040382U (en) |
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2022
- 2022-12-19 CN CN202223391930.3U patent/CN219040382U/en active Active
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