CN210200652U - Operating mechanism for circuit breaker and circuit breaker - Google Patents
Operating mechanism for circuit breaker and circuit breaker Download PDFInfo
- Publication number
- CN210200652U CN210200652U CN201921158212.7U CN201921158212U CN210200652U CN 210200652 U CN210200652 U CN 210200652U CN 201921158212 U CN201921158212 U CN 201921158212U CN 210200652 U CN210200652 U CN 210200652U
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- circuit breaker
- rack
- gear
- microswitch
- slider
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Abstract
The utility model relates to an operating device and circuit breaker for circuit breaker. Operating device installs on the circuit breaker, cooperatees with the handle of circuit breaker, realizes the divide-shut brake of circuit breaker, its characterized in that, operating device includes: the rotating shaft is used for receiving an external driving force and rotates under the action of the external driving force; the half-tooth gear is fixedly connected with the rotating shaft and can rotate along with the rotating shaft; the first rack is positioned on one side of the half-tooth gear and meshed with the half-tooth gear, so that the rotation of the half-tooth gear can be converted into the translational motion of the first rack; the sliding block is fixedly installed together with the first rack, so that the sliding motion of the first rack can drive the sliding block to move in a translation mode together, and then the handle of the circuit breaker moves correspondingly to achieve opening/closing.
Description
Technical Field
The utility model relates to an operating device and circuit breaker for circuit breaker.
Background
The operating mechanism of the circuit breaker is used for opening and closing operation of the circuit breaker. The operating mechanism is generally divided into an energy storage type and a non-energy storage type. The product structure of energy storage formula structure is complicated, and is multiple functional, and divide-shut brake is fast, and the cost is very high. The product of non-energy storage formula structure simple structure, closing speed will be slower than the energy storage formula, and the cost is lower. For a non-energy-storage structure, the response speed of the circuit breaker for closing and closing is low due to an existing operating mechanism, and particularly, the generated arc is long when the circuit breaker is opened.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides an operating device for circuit breaker, it is non-energy storage formula, and this operating device has improved the response speed that the circuit breaker closed a floodgate and separated brake, especially when closing a floodgate and switching off, avoids forming longer arc that draws.
The utility model provides an operating device for circuit breaker, operating device installs on the circuit breaker, cooperatees with the handle of circuit breaker, realizes the divide-shut brake of circuit breaker, a serial communication port, operating device includes: the rotating shaft is used for receiving an external driving force and rotates under the action of the external driving force; the half-tooth gear is fixedly connected with the rotating shaft and can rotate along with the rotating shaft; the first rack is positioned on one side of the half-tooth gear and meshed with the half-tooth gear, so that the rotation of the half-tooth gear can be converted into the translational motion of the first rack; the sliding block is fixedly installed together with the first rack, so that the sliding motion of the first rack can drive the sliding block to move in a translation mode together, and then the handle of the circuit breaker moves correspondingly to achieve opening/closing.
Advantageously, when the rotating shaft is subjected to the action of external driving force to move rotationally along the first direction, the half-tooth gear is caused to move rotationally along the first direction, and then the first rack drives the sliding block to move translationally along the second direction, so that the breaker is switched from opening to closing.
Advantageously, when the rotating shaft is subjected to the external driving force to perform a rotary motion in a third direction opposite to the first direction, the half-tooth gear is caused to perform a rotary motion in the third direction, and the first rack drives the sliding block to perform a translational motion in a fourth direction opposite to the second direction, so that the circuit breaker is switched from the closing to the opening.
Advantageously, the operating mechanism further comprises a first microswitch and a second microswitch, the first microswitch being positioned such that when the first rack drives the slider in a translational movement along the second direction to switch the circuit breaker from open to closed, the first microswitch is pressed by the slider to provide a closing signal, the second microswitch being positioned such that when the first rack drives the slider in a translational movement along the fourth direction to switch the circuit breaker from closed to open, the second microswitch is pressed by the slider to provide an opening signal.
Advantageously, the operating mechanism further comprises: the second rack is located on the other side of the half-tooth gear and meshed with the half-tooth gear, so that rotation of the half-tooth gear can be converted into translational motion of the second rack, the second rack is fixedly installed together with the sliding block, translational motion of the second rack can drive the sliding block to perform translational motion together, and then the handle of the circuit breaker correspondingly moves to achieve opening/closing.
Advantageously, when the rotating shaft is subjected to the action of external driving force to perform rotary motion in the first direction, the half-tooth gear is caused to perform rotary motion in the first direction, and at the moment, the half-tooth gear is only meshed with the first rack, so that the first rack drives the sliding block to perform translational motion in the second direction together, and the circuit breaker is switched from opening to closing.
Advantageously, when the rotating shaft continues to move rotationally in the first direction, the half-toothed gear also continues to move rotationally in the first direction, at which point the half-toothed gear is disengaged from the first rack and is engaged with the second rack, so that the second rack-moving slider together moves translationally in a fourth direction opposite to the second direction, switching the circuit breaker from closing to opening.
Advantageously, the operating mechanism further comprises a first microswitch and a second microswitch, the first microswitch being positioned such that when the first rack-driven slider is moved translationally in the second direction to switch the circuit breaker from open to closed, the first microswitch is pressed by the slider to provide a closing signal, and the second microswitch being positioned such that when the second rack-driven slider is moved translationally in the fourth direction to switch the circuit breaker from closed to open, the second microswitch is pressed by the slider to provide an opening signal.
Advantageously, the operating mechanism further comprises: a motor for providing an external driving force; the first gear rotates under the action of the motor; a second gear engaged with the first gear and capable of rotating when the first gear rotates; the rotating rod is provided with a hollow structure so that the rotating shaft can penetrate through the rotating rod, and the rotating rod is fixedly installed with the second gear and can rotate along with the rotation of the second gear; the clutch is provided with a driving outer ring and a driven inner ring, the driving outer ring is meshed with the rotating rod and can rotate when the rotating rod rotates, the driven inner ring is meshed with the rotating shaft, the driven inner ring rotates under the rotation of the driving outer ring, and then the rotating shaft rotates, so that the half-tooth gear rotates.
The utility model also provides a circuit breaker, include as above operating device.
Drawings
The advantages and objects of the present invention will be better understood from the following detailed description of the preferred embodiments of the invention, taken in conjunction with the accompanying drawings. The drawings are not necessarily to scale, emphasis instead being placed upon illustrating the relationship of the various components. In the drawings:
fig. 1 shows a perspective view of the operating mechanism of the present invention, with the circuit breaker in the open position;
fig. 2 is an exploded view showing the connection of the clutch, the rotating rod and the rotating shaft of the operating mechanism of the present invention;
fig. 3 shows a perspective view of the operating mechanism of the present invention, at which time the circuit breaker is in the closed position.
Detailed Description
Various embodiments according to the present invention will be described in detail with reference to the accompanying drawings. Here, it is to be noted that, in the drawings, the same reference numerals are given to constituent parts having substantially the same or similar structures and functions, and repeated description thereof will be omitted. The terms "first direction", "second direction", "third direction", "fourth direction", and the like herein are described with respect to the drawings of the present invention, unless otherwise specified. The term "sequentially comprising A, B, C, etc" merely indicates the order of the included elements A, B, C, etc. and does not exclude the possibility of including other elements between a and B and/or between B and C. The description of "first" and its variants is merely for the purpose of distinguishing between the parts and does not limit the scope of the invention, a first part "may be written as" second part "etc. without departing from the scope of the invention.
The drawings in the present specification are schematic views to assist in explaining the concept of the present invention, and schematically show the shapes of the respective portions and the mutual relationships thereof.
Hereinafter, preferred embodiments according to the present invention will be described in detail with reference to fig. 1 to 3.
Fig. 1 and 3 show perspective views of an operating mechanism according to the invention in different operating states, respectively. The utility model discloses an operating device can operate under electric mode and manual mode. The operating mechanism is mounted to the circuit breaker by a base 14, as is well known to those skilled in the art. The operation of the operating mechanism in the motoring mode is described below.
The electric mode refers to the operation of the operating mechanism under the action of the electric motor. Fig. 1 shows a schematic view of the operating mechanism with the circuit breaker in the open position. The operating mechanism includes a rotary shaft 6 for receiving an external driving force from the motor 1 to be rotated by the external driving force. In the motoring mode, the rotation of the rotating shaft 6 by the motor 1 proceeds as follows: the motor 1 drives the first gear 2 to rotate when being electrified, the first gear 2 is meshed with the second gear 3, and therefore the second gear 3 rotates, the second gear 3 is fixedly connected with the rotating rod 4, and the rotating rod 4 and the second gear 3 rotate together. The rotating rod 4 is provided with a clutch 5, and the clutch 5 is connected with a rotating shaft 6. Specifically, the first engaging element of the rotating lever 4 is connected to the second engaging element of the driving outer race 51 of the clutch 5, and the third engaging element of the driven inner race 52 of the clutch 5 is connected to the fourth engaging element of the rotating shaft 6. In this embodiment, the first engagement member is a protrusion, the second engagement member is a groove, the third engagement member is a groove, and the fourth engagement member is a keybar. Specifically, the rotating rod 4 has a protrusion 41 (as shown in fig. 2), and the driving outer ring 51 of the clutch 5 is provided with a corresponding groove 511, and through the cooperation between the protrusion 41 and the groove, the rotation of the rotating rod 4 drives the driving outer ring of the clutch 5 to rotate, and the rotation of the driving outer ring of the clutch drives the driven inner ring 52 to rotate. The driven inner ring 52 is provided with a groove 521, the rotating shaft 6 is provided with a key strip 61, and the rotation of the driven inner ring 52 can drive the rotating shaft 6 to rotate through the matching between the key strip and the groove.
The rotating rod 4 has a hollow structure, and the rotating shaft 6 penetrates through the rotating rod 4 and is fixedly connected with the half-tooth gear 7, so that the rotation of the rotating shaft 6 can cause the half-tooth gear to rotate correspondingly. A first rack 8 and a second rack 9 are respectively arranged on two sides of the half-tooth gear 7, and the first rack and the second rack are both arranged on the sliding block 10, so that the first rack and the second rack can drive the sliding block 10 to move along the guide rail 11 together.
In this embodiment, the grooves of the driving outer ring of the clutch and the protrusions of the rotating rod 4 are matched with each other to connect the driving outer ring of the clutch and the rotating rod, and it should be understood that the grooves can also be arranged on the rotating rod 4, and the protrusions can be arranged on the driving outer ring of the clutch as long as the matching between the driving outer ring and the rotating rod can be realized. Similarly, a spline can be arranged on the driven inner ring of the clutch, and a groove is formed in the rotating shaft, so long as the driven inner ring and the rotating shaft can be matched. That is, the fitting between the first engaging member and the second engaging member and the fitting between the third engaging member and the fourth engaging member are not limited to the present embodiment, and other manners are also possible.
Furthermore, the engagement between the driving outer race and the driven inner race of the clutch is well known to those skilled in the art and therefore will not be described in detail herein. The driving outer ring and the driven inner ring are characterized in that: the motion of the driving outer ring can cause the motion of the driven inner ring, and the motion of the driven inner ring can not cause the motion of the driving outer ring.
When the motor is energized through the first gear 2, the second gear 3, the rotating rod 4, and the clutch 5 to finally cause the rotating shaft to rotate in a first direction (for example, clockwise), the half-tooth gear will only engage with the first rack, causing the first rack to move in a second direction (from left to right in the drawing), which drives the slider 10 to move in the second direction. The slider 10 cooperates with the handle of the circuit breaker to switch the circuit breaker from open to closed. The manner in which the slider 10 cooperates with the handle of the circuit breaker is well known to those skilled in the art and therefore will not be described in detail herein. When the slider 10 moves to a position where the circuit breaker is switched from the open position to the closed position, a first microswitch 12 is pressed, so that the first microswitch 12 sends out a closing signal outwards to indicate that the circuit breaker is closed in place.
When the motor is energized to rotate the rotating shaft in the first direction, the half-toothed gear is disengaged from the first rack and is engaged with the second rack, which causes the second rack to move in a fourth direction (from right to left in the drawing) opposite to the second direction, which drives the slider 10 to move in the fourth direction. The slider 10 cooperates with the handle of the circuit breaker to switch the circuit breaker from closing to opening. When the slider 10 moves to a position where the circuit breaker is switched from the closing state to the opening state, a second microswitch 13 is pressed, so that the second microswitch 13 sends out an opening signal outwards to indicate that the circuit breaker is in place.
The utility model discloses an operating device can also operate under manual mode. In the manual mode, the rotary shaft 6 is manually rotated to rotate the half-tooth gear correspondingly, in the same manner as in the electric mode. It should be noted that due to the presence of the clutch 5, the rotation of the rotating shaft 6 does not cause the rotation of the driving outer ring of the clutch, and thus, the first gear and the second gear under electric operation are not interfered, so that the electric mode and the manual mode are independent of each other and do not interfere with each other.
In addition, as an alternative embodiment, the operating mechanism of the present invention may also omit the second rack, and only the first rack. Under the condition, when the rotating shaft is acted by external driving force and rotates along the first direction, the half-tooth gear also rotates along the first direction, and then the first rack drives the sliding block to move in a translation mode along the second direction, so that the breaker is switched from opening to closing. In order to switch the breaker from closing to opening, when the rotating shaft needs to rotate along a third direction opposite to the first direction, the first rack drives the sliding block to translate along a fourth direction opposite to the second direction, and the breaker is switched from closing to opening. That is, in the case of only the first rack, the rotation shaft 6 needs to be moved in two directions to achieve the reciprocating motion of the slider, and in the case of the first and second racks, the rotation shaft 6 needs to be moved in only one direction to achieve the reciprocating motion of the slider. In an alternative embodiment, the position of the second microswitch 13 is also changed accordingly.
The operating mechanism for the circuit breaker is described above, and the half-tooth gear and the rack of the operating mechanism are matched to realize the opening and closing of the circuit breaker, so that the response speed is improved, and the longer arc is prevented from being formed particularly when the closing is switched to the opening.
Moreover, the technical features disclosed above are not limited to the combinations with other features disclosed, and other combinations between the technical features can be performed by those skilled in the art according to the purpose of the invention to achieve the aim of the invention.
Claims (10)
1. The utility model provides an operating device for circuit breaker, operating device installs on the circuit breaker, cooperatees with the handle of circuit breaker, realizes the divide-shut brake of circuit breaker, its characterized in that, operating device includes:
the rotating shaft is used for receiving an external driving force and rotates under the action of the external driving force;
the half-tooth gear is fixedly connected with the rotating shaft and can rotate along with the rotating shaft;
the first rack is positioned on one side of the half-tooth gear and meshed with the half-tooth gear, so that the rotation of the half-tooth gear can be converted into the translational motion of the first rack;
the sliding block is fixedly installed together with the first rack, so that the sliding motion of the first rack can drive the sliding block to move in a translation mode together, and then the handle of the circuit breaker moves correspondingly to achieve opening/closing.
2. The operating mechanism as claimed in claim 1, wherein when the shaft is driven by an external driving force to rotate in the first direction, the half-toothed gear is caused to rotate in the first direction, and the first rack drives the slider to move in a translational manner in the second direction, so that the circuit breaker is switched from the open state to the closed state.
3. The operating mechanism as claimed in claim 2, wherein when the shaft is driven by the external driving force to rotate in a third direction opposite to the first direction, the half-toothed gear is caused to rotate in the third direction, and the first rack drives the slider to translate together in a fourth direction opposite to the second direction, so that the circuit breaker is switched from the closing to the opening.
4. The operating mechanism of claim 3 further comprising a first microswitch and a second microswitch, the first microswitch being positioned such that when the first rack drives the slider in a translational movement in the second direction to switch the circuit breaker from off-position to on-position, the first microswitch is pressed by the slider to provide an on-position signal, and the second microswitch being positioned such that when the first rack drives the slider in a translational movement in the fourth direction to switch the circuit breaker from on-position to off-position, the second microswitch is pressed by the slider to provide an off-position signal.
5. The operating mechanism of claim 1, further comprising:
the second rack is located on the other side of the half-tooth gear and meshed with the half-tooth gear, so that rotation of the half-tooth gear can be converted into translational motion of the second rack, the second rack is fixedly installed together with the sliding block, translational motion of the second rack can drive the sliding block to perform translational motion together, and then the handle of the circuit breaker correspondingly moves to achieve opening/closing.
6. The operating mechanism as claimed in claim 5, wherein when the shaft is driven by an external driving force to rotate in the first direction, the half-toothed gear is caused to rotate in the first direction, and at this time, the half-toothed gear is only engaged with the first rack, so that the first rack drives the slider to move in a translational manner in the second direction, and the circuit breaker is switched from the open state to the closed state.
7. The operating mechanism of claim 6 wherein as the shaft continues to move rotationally in the first direction, the half-toothed gear also continues to move rotationally in the first direction, wherein the half-toothed gear disengages from the first rack and engages the second rack such that the second rack-moving slide translates together in a fourth direction opposite the second direction to switch the circuit breaker from closed to open.
8. The operating mechanism of claim 7 further comprising a first microswitch and a second microswitch, the first microswitch being positioned such that when the first rack-driven slider is moved translationally in the second direction to switch the circuit breaker from off-position to on-position, the first microswitch is pressed by the slider to provide an on-position signal, and the second microswitch being positioned such that when the second rack-driven slider is moved translationally in the fourth direction to switch the circuit breaker from on-position to off-position, the second microswitch is pressed by the slider to provide an off-position signal.
9. The operating mechanism according to any one of claims 1 to 8, characterized in that the operating mechanism further comprises:
a motor for providing an external driving force;
the first gear rotates under the action of the motor;
a second gear engaged with the first gear and capable of rotating when the first gear rotates;
the rotating rod is provided with a hollow structure so that the rotating shaft can penetrate through the rotating rod, and the rotating rod is fixedly installed with the second gear and can rotate along with the rotation of the second gear;
the clutch is provided with a driving outer ring and a driven inner ring, the driving outer ring is meshed with the rotating rod and can rotate when the rotating rod rotates, the driven inner ring is meshed with the rotating shaft, the driven inner ring rotates under the rotation of the driving outer ring, and then the rotating shaft rotates, so that the half-tooth gear rotates.
10. A circuit breaker, characterized in that it comprises an operating mechanism according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921158212.7U CN210200652U (en) | 2019-07-23 | 2019-07-23 | Operating mechanism for circuit breaker and circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921158212.7U CN210200652U (en) | 2019-07-23 | 2019-07-23 | Operating mechanism for circuit breaker and circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210200652U true CN210200652U (en) | 2020-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921158212.7U Active CN210200652U (en) | 2019-07-23 | 2019-07-23 | Operating mechanism for circuit breaker and circuit breaker |
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| Country | Link |
|---|---|
| CN (1) | CN210200652U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114068256A (en) * | 2020-07-30 | 2022-02-18 | 施耐德电气（中国）有限公司 | Operating mechanism for circuit breaker and circuit breaker |
-
2019
- 2019-07-23 CN CN201921158212.7U patent/CN210200652U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114068256A (en) * | 2020-07-30 | 2022-02-18 | 施耐德电气（中国）有限公司 | Operating mechanism for circuit breaker and circuit breaker |
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