CN211265396U - Reclosing mechanism of circuit breaker - Google Patents
Reclosing mechanism of circuit breaker Download PDFInfo
- Publication number
- CN211265396U CN211265396U CN202020135270.4U CN202020135270U CN211265396U CN 211265396 U CN211265396 U CN 211265396U CN 202020135270 U CN202020135270 U CN 202020135270U CN 211265396 U CN211265396 U CN 211265396U
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- circuit breaker
- transmission
- reclosing mechanism
- groove
- reclosing
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Abstract
A reclosing mechanism of a circuit breaker. The reclosing mechanism who has mainly solved present circuit breaker is used for driving the part of trip bar motion not to have the structure of adaptation trip bar, and the atress is the point contact mostly, the not good problem of result of use. The method is characterized in that: the shell is internally provided with a power source (41) which drives the trip rod to move through a transmission mechanism (5), the transmission mechanism comprises a swinging piece (52) hinged with the inner wall of the shell, and a groove (521) matched with the outer wall of the trip rod is correspondingly arranged on the swinging piece relative to the trip rod. The utility model provides a reclosing mechanism of circuit breaker, be equipped with on its swing piece with the recess of taking off fastener outer wall adaptation, the transmission is more convenient, and whole reclosing mechanism simple structure, convenient to use moreover.
Description
Technical Field
The utility model relates to a circuit breaker field, concretely relates to reclosing mechanism of circuit breaker.
Background
According to the requirement of intellectualization of a power supply network in China, the national power grid company requires the intellectualization of the power supply network, so that a small circuit breaker of a terminal execution mechanism of the power supply network is required to execute an upper end signal to have tripping and closing functions. Therefore, the existing development trend of the miniature circuit breaker is to have the functions of automatic opening and closing and reclosing besides the functions of traditional manual opening and closing and automatic tripping in case of overcurrent and overload, so as to realize remote control.
The existing reclosing mechanism of the circuit breaker is used for driving a part of a tripping rod to move and has no structure matched with the tripping rod, most of stress is point contact, and the using effect is poor.
SUMMERY OF THE UTILITY MODEL
In order to overcome the not enough of background art, the utility model provides a reclosing mechanism of circuit breaker, the component that reclosing mechanism that has mainly solved present circuit breaker is used for driving the trip bar motion does not have the structure of adaptation trip bar, and the atress is the point contact mostly, the not good problem of result of use.
The utility model adopts the technical proposal that:
the utility model provides a reclosing mechanism of circuit breaker, includes the casing, be equipped with the logical groove that is used for the trip bar to stretch into on the casing, be equipped with the power supply in the casing, the power supply passes through drive mechanism and drives the trip bar motion, drive mechanism include with shells inner wall articulated swing piece, it is relative on the swing piece the trip bar correspond be equipped with the recess of trip bar outer wall adaptation.
The groove is an arc groove.
The power source is a motor.
The transmission mechanism comprises a transmission gear driven by a motor to rotate, a pushing portion is arranged on the transmission gear, and the pushing portion is used for pushing the swinging piece to rotate when the transmission gear rotates.
The swinging piece is provided with a hollow groove.
The pushing portion is a protruding block arranged on the back of the transmission gear, and transmission teeth used for being meshed with the linkage rod are arranged on the protruding block.
The motor is characterized in that a limiting groove is formed in the shell, the inner wall of the shell is opposite to the limiting groove, a positioning frame is arranged in the limiting groove, the bottom of the motor is in contact with the limiting groove, and the circumferential outer wall of the motor is in clamping fit with the positioning frame.
The motor comprises a transmission shaft, and an open slot for the transmission shaft to pass through is arranged on the positioning frame.
And the swinging piece is provided with a bulge corresponding to the pushing part.
The utility model has the advantages that: the utility model provides a reclosing mechanism of circuit breaker, be equipped with on its swing piece with the recess of taking off fastener outer wall adaptation, the transmission is more convenient, and whole reclosing mechanism simple structure, convenient to use moreover.
Drawings
Fig. 1 is an internal perspective view of an embodiment of the present invention.
Fig. 2 is an enlarged schematic view of a point a in fig. 1.
Fig. 3 is an enlarged schematic view of fig. 1 at B.
Fig. 4 is a partial perspective view of an embodiment of the present invention.
Fig. 5 is a partial perspective view of an embodiment of the present invention.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings: as shown in the figure, reclosing mechanism of circuit breaker, including casing 1, be equipped with the logical groove 11 that is used for trip lever 2 to stretch into on the casing, be equipped with power supply 41 in the casing, the power supply passes through drive mechanism 5 and drives the trip lever motion, drive mechanism include with shells inner wall articulated swinging member 52, it is relative on the swinging member trip lever correspond be equipped with the recess 521 of trip lever outer wall adaptation. The utility model provides a reclosing mechanism of circuit breaker, be equipped with on its swing piece with the recess of taking off fastener outer wall adaptation, the transmission is more convenient, and whole reclosing mechanism simple structure, convenient to use moreover. The trip bar may have various shapes in cross section, such as rectangular or circular, and the corresponding groove may be a circular groove or a flat groove.
In this embodiment, as shown in the figure, the groove is a circular arc groove.
In the present embodiment, as shown, the power source is a motor.
In this embodiment, as shown in the figure, the transmission mechanism includes a transmission gear 51 driven by a motor to rotate, and the transmission gear is provided with a pushing portion 511, and the pushing portion is used for pushing the swinging member to rotate when the transmission gear rotates. The motor can drive the transmission gear to rotate through the reduction gear transmission mechanism.
In this embodiment, as shown, the swinging member is provided with a hollow-out groove 522. The weight and the cost are reduced.
In this embodiment, as shown in the figure, the pushing portion is a protruding block disposed on the back of the transmission gear, and the protruding block is provided with a transmission tooth 512 for engaging with the linkage rod 9. The linkage rod is used for driving the handle to move, the linkage rod can be directly provided with teeth, and the teeth can also be arranged on the transmission piece through connecting the transmission piece.
In this embodiment, as shown in the figure, be equipped with spacing groove 12 in the casing, the shells inner wall is relative the spacing groove is equipped with locating frame 13, the motor bottom with the spacing groove contact, motor circumference outer wall with the cooperation of locating frame joint. The installation is firm.
In this embodiment, as shown in the figure, the motor includes a transmission shaft 411, and the positioning frame is provided with an opening groove 131 for the transmission shaft to pass through. The installation is convenient, and the clamping can be realized.
In this embodiment, as shown in the figure, the swinging member is provided with a protrusion 523 corresponding to the pushing portion. The stress is convenient.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
The embodiments described with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention. The examples should not be construed as limiting the present invention, but any modifications made based on the spirit of the present invention should be within the scope of the present invention.
Claims (9)
1. The utility model provides a reclosing mechanism of circuit breaker, includes casing (1), be equipped with logical groove (11) that are used for trip bar (2) to stretch into on the casing, its characterized in that: the shell is internally provided with a power source (41) which drives the trip rod to move through a transmission mechanism (5), the transmission mechanism comprises a swinging piece (52) hinged with the inner wall of the shell, and a groove (521) matched with the outer wall of the trip rod is correspondingly arranged on the swinging piece relative to the trip rod.
2. The reclosing mechanism of a circuit breaker according to claim 1, wherein: the groove is an arc groove.
3. The reclosing mechanism of a circuit breaker according to claim 1, wherein: the power source is a motor.
4. The reclosing mechanism of a circuit breaker according to claim 3, wherein: the transmission mechanism comprises a transmission gear (51) driven by a motor to rotate, a pushing portion (511) is arranged on the transmission gear, and the pushing portion is used for pushing the swinging piece to rotate when the transmission gear rotates.
5. The reclosing mechanism of a circuit breaker according to claim 1, wherein: the swinging piece is provided with a hollow groove (522).
6. The reclosing mechanism of a circuit breaker according to claim 4, wherein: the pushing portion is a protruding block arranged on the back of the transmission gear, and transmission teeth (512) used for being meshed with the linkage rod (9) are arranged on the protruding block.
7. The reclosing mechanism of a circuit breaker according to claim 6, wherein: be equipped with spacing groove (12) in the casing, the shells inner wall is relative the spacing groove is equipped with locating frame (13), the motor bottom with the spacing groove contact, motor circumference outer wall with the cooperation of locating frame joint.
8. The reclosing mechanism of a circuit breaker according to claim 7, wherein: the motor comprises a transmission shaft (411), and an open slot (131) for the transmission shaft to pass through is arranged on the positioning frame.
9. The reclosing mechanism of a circuit breaker according to claim 8, wherein: the swinging piece is provided with a bulge (523) corresponding to the pushing part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020135270.4U CN211265396U (en) | 2020-01-21 | 2020-01-21 | Reclosing mechanism of circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020135270.4U CN211265396U (en) | 2020-01-21 | 2020-01-21 | Reclosing mechanism of circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211265396U true CN211265396U (en) | 2020-08-14 |
Family
ID=71955154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020135270.4U Active CN211265396U (en) | 2020-01-21 | 2020-01-21 | Reclosing mechanism of circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211265396U (en) |
-
2020
- 2020-01-21 CN CN202020135270.4U patent/CN211265396U/en active Active
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