CN113496853B - Reset device of actuating mechanism - Google Patents
Reset device of actuating mechanism Download PDFInfo
- Publication number
- CN113496853B CN113496853B CN202010205375.7A CN202010205375A CN113496853B CN 113496853 B CN113496853 B CN 113496853B CN 202010205375 A CN202010205375 A CN 202010205375A CN 113496853 B CN113496853 B CN 113496853B
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- China
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- rotating plate
- push rod
- shell
- actuator
- actuating element
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- 230000007246 mechanism Effects 0.000 title claims abstract description 43
- 230000009471 action Effects 0.000 claims description 5
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The rotating plate of the actuating mechanism resetting device is rotatably arranged in the shell, the actuating unit is arranged in the shell, when the breaker is opened, the spindle of the breaker operating mechanism rotates to push the push rod, so that the push rod slides in the shell and is in lap joint with the rotating plate to push the rotating plate to rotate in the shell, and the rotating plate drives the driving ejector rod to linearly move to finish resetting while rotating. The reset device of the actuating mechanism has the advantages that the structure is simple and compact, the modularization degree is high, the part cost and the processing cost are greatly reduced, and in the new scheme, when the actuating unit of the actuating mechanism is tripped, the push plate is far away from the actuating unit, and no extra resistance is generated on the actuating unit, so that the force value required by the actuating unit in the actuating mechanism is small, and the service life of the actuating mechanism is greatly prolonged.
Description
Technical Field
The invention relates to breaker equipment, in particular to an actuating mechanism of a breaker.
Background
The actuating mechanism of the prior art circuit breaker has a plurality of parts and a complex structure, and particularly has high part cost and processing cost. In addition, the push plate in the prior art is always contacted with the executing element in the action process of the executing unit, the executing element needs to overcome the action of the push plate, the force value requirement of the executing element is high, the size of the executing unit is larger, and the service life is low. The prior art has low modularization degree and difficult processing and manufacturing.
Disclosure of Invention
The actuating mechanism resetting device provided by the invention has a simple and compact structure and is convenient to process.
In order to achieve the object of the present invention, the present invention provides an actuator reset device comprising:
A housing;
The actuating element is fixed in the shell and can receive a tripping instruction action of the circuit breaker to drive the circuit breaker to break;
the rotating plate is arranged in the shell and rotates around the shaft, and the rotating plate pushes the actuating element ejector rod to move when rotating so as to reset the actuating element of the actuating mechanism after tripping;
A rotating plate resetting device connected with the rotating plate and used for resetting the rotating plate;
The push rod is arranged in the shell and slides, wherein when the breaker is disconnected, the main shaft of the breaker rotates to drive the push rod of the actuating mechanism, and the push rod slides in the shell and is overlapped with the rotating plate so as to push the rotating plate to rotate, so that the actuating element is driven to complete resetting; and
And the push rod resetting device is connected with the push rod and used for resetting the push rod.
Further, the actuating element is provided with a driving ejector rod, the exposed part of the driving ejector rod is stepped and is divided into an ejector rod with smaller diameter and a boss surface with larger diameter, the smaller ejector rod surface penetrates through the rotating plate, the larger boss surface is lapped on the rotating plate after the actuating element is tripped and is kept in linkage with the rotating plate, and when the rotating plate rotates, the boss surface is pushed to drive the driving ejector rod to move so as to finish the resetting of the actuating element.
Further, the rotating plate is located between the actuator and the push rod.
Further, the rotating plate is rotatably arranged in the shell, the executing element is arranged in the shell, when the breaker is disconnected, the main shaft of the breaker operating mechanism rotates to push the push rod, the push rod slides in the shell and is in lap joint with the rotating plate to push the rotating plate to rotate in the shell, and the rotating plate drives the driving ejector rod to linearly move to reset the executing element while rotating.
Further, the rotating plate resetting device is a torsion spring.
Further, the push rod resetting device is a spring.
Further, a guide boss is arranged on the shell, the spring is sleeved on the guide boss, one end of the spring is in contact with the shell, the other end of the spring is in contact with the push rod, and the force value of the spring is larger than the sliding resistance of the push plate.
Further, the torsion spring is sleeved on the rotating plate, one end of the torsion spring is lapped on the rotating plate, and the other end of the torsion spring is lapped on the shell.
Further, the device also comprises a cover plate, wherein the push rod is arranged in the shell, and the cover plate is provided with a high boss and a low boss which are in contact with the push rod and used for limiting the push rod to a set position so that the push rod can only slide in the shell.
Further, a protruding surface is arranged on the cover plate and is in contact with the rotating plate, and the rotating plate is limited at a set position and can only rotate around the cover plate.
The reset device of the actuating mechanism has the advantages of simple and compact structure and high modularization degree, greatly reduces the part cost and the processing cost, and the push rod is far away from the actuating element when the actuating element of the actuating mechanism is tripped in the new scheme, and does not generate extra resistance to the actuating element, so that the force value required by the actuating element in the actuating mechanism is small, and the service life of the actuating mechanism is greatly prolonged.
Drawings
FIG. 1 is a schematic view of an embodiment of an actuator reset apparatus according to the present invention;
FIG. 2 is a schematic diagram of an actuator reset device according to the present invention;
FIG. 3 is a schematic view of the structure of the housing of the present invention;
FIG. 4 is a schematic structural view of a cover plate of the present invention;
FIG. 5 is a schematic view of a push rod according to the present invention;
FIG. 6 is a schematic view of a rotating plate according to the present invention;
FIG. 7 is a schematic diagram of an actuator according to the present invention.
Detailed Description
The invention will now be described in further detail with reference to the drawings and examples.
Referring to fig. 1 to 3, the actuator reset device provided by the invention comprises an actuator 4, a rotating plate 6, a rotating plate reset torsion spring 5, a push rod 7 and a push rod reset spring 8. The actuating element 4 is fixed in the shell 1 and used for receiving the tripping command and sending out the actuating action, and normally the actuating element cannot be automatically reset after receiving the tripping command. A rotating plate 6 is provided in the housing 1 and rotates around an axis. The rotating plate 6 pushes the actuator 4 to move when rotating, so that the reset of the actuator is realized. A rotating plate return torsion spring 5 is connected to (in contact with) the rotating plate 6 for returning the rotating plate 6, and keeps the rotating plate 6 away from the actuator 4 when the actuator 4 is not tripped. A push rod 7 is arranged in the housing 1 and is slidable. When the actuating element 4 receives a tripping instruction to drive the breaker to break, a main shaft of the breaker rotates to drive a push rod 7 of the actuating mechanism, the push rod 7 slides in the shell 1 and is lapped with the rotating plate 6 to push the rotating plate 6 so as to drive a driving ejector rod of the actuating element 4 to move to finish reset after the actuating element 4 is tripped.
Referring to fig. 7, the actuating element 4 has a housing 41 and is provided with a driving ejector rod 42, the exposed part of the driving ejector rod 42 is stepped and divided into an ejector rod surface 422 with a smaller diameter and a boss surface 421 with a larger diameter, the smaller ejector rod surface 422 penetrates through the rotating plate 6, the thicker boss surface 421 is lapped on the rotating plate 6 after the actuating element is tripped and keeps to be in linkage with the rotating plate 6, and when the rotating plate 6 rotates, the boss surface 421 is pushed so as to push the driving ejector rod 42 of the actuating element 4 to complete the resetting of the actuating element 4. The rotating plate resetting device adopts a torsion spring 6. The push rod resetting device adopts a spring 8.
Referring to fig. 2 and 6, the rotating plate 6 is located between the unit 4 and the push rod 7. The upper side of the rotating plate 6 is provided with a face 61 and a face 63, the middle is provided with two circumferential faces 62, and the lower side is provided with a boss provided with a working face 64. Wherein two circumferential surfaces 62 are provided on the protruding center mounting surface 12, respectively, so that the rotation plate 6 can be rotated. Wherein the surface 63 will overlap the upper surface 421 of the actuator drive ram 42. A gap is formed between the faces 63 for the ejector pin 4 to penetrate. One end of the rotating plate reset torsion spring 5 is connected with a hook part provided with a fixed rotating plate reset torsion spring 5 on the surface 61, and the other end is lapped on the limiting surface 13 of the shell 1.
Referring to fig. 5, the push rod 7 adopts a horizontal S-shaped structure. There are provided vertical surfaces 71, 72, 75 and a slide arm provided with an upper horizontal surface 73 and a lower horizontal surface 74. When the push rod 7 slides, the vertical surface 71 will overlap with the working surface 64 on the rotating plate 6, so as to push the rotating plate 6 to rotate, and when the rotating plate 6 rotates, the upper surface 63 will overlap with the upper surface 421 of the driving ejector rod 42 in the actuator 4, and meanwhile, the driving ejector rod 42 of the actuator 4 is driven to slide towards the actuator until the driving ejector rod resets. The vertical face 75 cooperates with the circuit interrupting operating mechanism.
The rotating plate 6 is rotatably arranged in the shell 1, the actuating element 4 is arranged in the shell 1, when the breaker is disconnected, the main shaft of the breaker rotates to drive the push rod 7 of the actuating mechanism resetting device, the push rod 7 slides on the shell surface 16 and is lapped with the rotating plate 6, so that the rotating plate 6 is pushed to rotate anticlockwise in the shell, the rotating plate 6 drives the driving ejector rod 42 to move linearly while rotating, and the actuating mechanism resetting device completes resetting of the actuating element.
Referring to fig. 1,2 and 4, in the present embodiment, the actuator return device of the present invention is disposed and fixed in an inner space defined by a housing 1 and a cover plate 2. The casing 1 is provided with a guide boss 15, one end of the spring 8 is sleeved on the guide boss 15 and is in contact with the casing 1, the other end of the spring 8 is in contact with the push plate 7, and the force value of the spring 8 needs to be larger than the sliding resistance of the push rod 7, such as the weight of the push rod 7 and/or the friction force generated between the push rod 7 and the casing 1. The cover plate 2 is provided with a boss 23 which is in contact with the push rod 7 and is used for limiting the push rod 7 to a set position and can only slide in a chute of the shell 1. The cover plate 2 is provided with a boss 22 which is in contact with the rotating plate 6 and is used for limiting the rotating plate 6 to a set position and can only rotate around the cover plate. The surface 21 presses against the actuator 4 to define it in the housing 1. The surface 11 is a fixed mounting surface for the actuator 4.
Referring to fig. 1 to 7, the operation mode and the procedure of the actuator reset device provided by the invention are as follows:
1) When the operating mechanism of the circuit breaker is in a closing state, the actuating element 4 in the actuating mechanism resetting device receives a tripping signal given by the controller, the actuating element 4 drives the ejector rod 42 to eject, the middle surface 422 of the actuating element 42 pushes the actuating mechanism tripping alarm unit, the actuating mechanism tripping alarm unit drives the circuit breaker operating mechanism to switch off from closing to opening, so that a main conductive loop is cut off, and the actuating mechanism resetting device is a tripping function of the actuating mechanism resetting device.
2) After the circuit breaker operating mechanism is switched off under the actuating mechanism resetting device by closing, at this moment, the actuating element 4 in the actuating mechanism resetting device needs to be reset by external force, so that the circuit breaker operating mechanism pushes the surface 75 of the push rod 7 in the actuating mechanism resetting device to slide in the shell 1 in the switching-off process, the vertical surface 71 on the push rod 7 is lapped with the working surface 64 on the rotating plate 6 while sliding, thereby pushing the rotating plate 6 to rotate, and the surface 63 on the rotating plate 6 is lapped with the upper surface 421 of the driving ejector rod 42 in the actuating element 4 while rotating, and drives the actuating element 4 to drive the ejector rod 42 to slide towards the actuating element 4 until resetting.
Through the description, the actuating mechanism resetting device provided by the invention has a simple and compact structure, has high modularization degree due to the function shunt of the actuating mechanism resetting device and the tripping alarm module, greatly reduces the part cost and the processing cost, and the novel scheme is that when the actuating mechanism actuating element 4 trips, the rotating plate 6 is far away from the actuating element 4, and no extra resistance is generated on the actuating unit 4, so that the force value required by the actuating element 4 in the actuating mechanism is small, and the service life of the actuating mechanism is greatly prolonged.
The structures, proportions, sizes, etc. shown in the drawings of the embodiments of the present invention are merely for the purpose of understanding and reading the disclosure, and are not intended to limit the scope of the invention, so that any structural modifications, proportional changes, or size adjustment should not be construed as essential to the invention, but should still fall within the scope of the disclosure without affecting the efficacy and achievement of the invention. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle", "clockwise", "anticlockwise" and the like are used in the present specification for convenience of description, and are not intended to limit the scope of the present invention, and the relative relation changes or modifications thereof are considered to be within the scope of the present invention without substantial modification of the technical content.
Claims (8)
1. An actuator reset device, comprising:
a housing (1);
The actuating element (4) is fixed in the shell, and the actuating element (4) receives a tripping instruction action of the circuit breaker and drives the circuit breaker to break;
The rotating plate (6) is arranged in the shell (1) and rotates around the shaft, the rotating plate (6) is arranged in the shell (1), and the rotating plate (6) pushes the actuating element (4) to move when rotating so as to reset the actuating element (4) of the actuating mechanism;
a rotating plate resetting device connected with the rotating plate (6) and used for resetting the rotating plate (6);
The push rod (7) is arranged in the shell (1) and slides, wherein when the breaker is opened, the main shaft of the breaker rotates to drive the push rod (7) of the actuating mechanism, and the push rod (7) slides in the shell (1) and is overlapped with the rotating plate (6) so as to push the rotating plate (6) to rotate, so that the actuating element (4) is driven to complete resetting; a push rod resetting device connected with the push rod (7) and used for resetting the push rod (7); and
A cover plate (2), the push rod (7) is arranged in the shell (1), a boss (23) is arranged on the cover plate (2) and is contacted with the push rod (7) for limiting the push rod (7) to a set position so that the push rod can only slide in the shell (1),
The actuating element (4) is provided with a driving ejector rod (42), the exposed part of the driving ejector rod (42) is stepped and divided into an ejector rod surface (422) with a smaller diameter and a boss surface (421) with a larger diameter, the smaller ejector rod surface (422) penetrates through the rotating plate (6), the larger boss surface (421) is lapped on the rotating plate (6) after the actuating mechanism is tripped, the actuating element is kept in linkage with the rotating plate (6), and when the rotating plate (6) rotates, the boss surface (421) is pushed to further push the driving ejector rod of the actuating element (4) to move so as to complete resetting of the actuating element.
2. An actuator resetting device as claimed in claim 1, characterized in that the rotating plate (6) is located between the actuator (4) and the push rod (7).
3. An actuator resetting device as claimed in claim 1, wherein the rotating plate (6) is rotatably arranged in the housing (1), the actuator (4) is mounted in the housing (1), when the circuit breaker is opened, the spindle of the circuit breaker operating mechanism rotates to push the push rod (7), the push rod (7) slides in the housing and is lapped with the rotating plate (6) to push the rotating plate (6) to rotate in the housing (1), and the rotating plate (6) drives the driving ejector rod (42) to linearly move while rotating to reset the actuator (4).
4. An actuator return device according to claim 1 wherein the return means of the rotating plate (6) is a torsion spring (5).
5. An actuator return device according to claim 1 wherein the push rod return device is a spring (8).
6. An actuator return device according to claim 5 wherein the housing (1) is provided with a guide boss (15), the spring (8) is sleeved on the guide boss (15), one end of the spring is in contact with the housing (1) and the other end is in contact with the push rod (7), and the force value of the spring (8) is greater than the sliding resistance of the push rod (7).
7. An actuator return device according to claim 4 wherein the torsion spring (5) is fitted over the rotating plate (6) with one end thereof overlapping the rotating plate (6) and the other end overlapping the housing (1).
8. An actuator resetting device as claimed in claim 1, characterized in that the cover plate (2) is provided with a protruding surface (22) which is in contact with the rotating plate (6) for limiting the rotating plate (6) to a set position only to rotate around itself.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010205375.7A CN113496853B (en) | 2020-03-20 | 2020-03-20 | Reset device of actuating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010205375.7A CN113496853B (en) | 2020-03-20 | 2020-03-20 | Reset device of actuating mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113496853A CN113496853A (en) | 2021-10-12 |
| CN113496853B true CN113496853B (en) | 2024-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010205375.7A Active CN113496853B (en) | 2020-03-20 | 2020-03-20 | Reset device of actuating mechanism |
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| CN (1) | CN113496853B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211907364U (en) * | 2020-03-20 | 2020-11-10 | 上海良信电器股份有限公司 | Resetting device for actuating mechanism |
| CN211907363U (en) * | 2020-03-20 | 2020-11-10 | 上海良信电器股份有限公司 | Force-assisted resetting device of resetting mechanism of actuating mechanism |
| CN113496852A (en) * | 2020-03-20 | 2021-10-12 | 上海良信电器股份有限公司 | Tripping alarm mechanism of actuating mechanism |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4913503A (en) * | 1988-10-07 | 1990-04-03 | General Electric Company | Molded case circuit breaker actuator-accessory unit reset mechanism |
| CN102436983B (en) * | 2011-10-11 | 2014-07-30 | 浙江正泰电器股份有限公司 | Auxiliary release device of low-voltage breaker |
| CN106783432B (en) * | 2017-01-05 | 2019-02-15 | 上海磊跃自动化设备有限公司 | The quick-tripping device of low-voltage circuit breaker executing agency |
| CN208208696U (en) * | 2018-01-11 | 2018-12-07 | 上海良信电器股份有限公司 | A kind of buckle structure of circuit breaker tripping execution unit |
| CN108022812B (en) * | 2018-01-18 | 2023-08-18 | 常熟开关制造有限公司(原常熟开关厂） | Circuit breaker with magnetic release |
-
2020
- 2020-03-20 CN CN202010205375.7A patent/CN113496853B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211907364U (en) * | 2020-03-20 | 2020-11-10 | 上海良信电器股份有限公司 | Resetting device for actuating mechanism |
| CN211907363U (en) * | 2020-03-20 | 2020-11-10 | 上海良信电器股份有限公司 | Force-assisted resetting device of resetting mechanism of actuating mechanism |
| CN113496852A (en) * | 2020-03-20 | 2021-10-12 | 上海良信电器股份有限公司 | Tripping alarm mechanism of actuating mechanism |
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| Publication number | Publication date |
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| CN113496853A (en) | 2021-10-12 |
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