CN110828249A - Clutch mechanism for electric operating mechanism of circuit breaker - Google Patents
Clutch mechanism for electric operating mechanism of circuit breaker Download PDFInfo
- Publication number
- CN110828249A CN110828249A CN201911159273.XA CN201911159273A CN110828249A CN 110828249 A CN110828249 A CN 110828249A CN 201911159273 A CN201911159273 A CN 201911159273A CN 110828249 A CN110828249 A CN 110828249A
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- Prior art keywords
- clamping
- control block
- block
- driven
- driving
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- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/54—Mechanisms for coupling or uncoupling operating parts, driving mechanisms, or contacts
- H01H3/58—Mechanisms for coupling or uncoupling operating parts, driving mechanisms, or contacts using friction, toothed, or other mechanical clutch
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention belongs to the technical field of circuit breaker operating mechanisms, and particularly relates to a clutch mechanism for an electric operating mechanism of a circuit breaker, which comprises a driving part, a driven part, a control block and a bidirectional retaining mechanism, wherein the driving part is connected with the driven part; the driving part and the driven part form coaxial line rotation arrangement; the control block comprises a switching part and a clamping part, and the control block is rotatably connected with the driven part through the switching part; the driven part is provided with a disengaging station and a closing station, and the clamping part of the control block reciprocates between the disengaging station and the closing station; the bidirectional holding mechanism is connected with the control block and the driven piece; and the inner ring surface of the driving part is provided with a plurality of clamping grooves used for being matched with the clamping parts of the control block. The clutch mechanism for the electric operating mechanism of the circuit breaker has the advantages of simple structure, small size and low cost, and is convenient for the circuit breaker mechanism to perform electric and manual switching-on or switching-off.
Description
Technical Field
The invention belongs to the technical field of circuit breakers, and particularly relates to a clutch mechanism for an electric operating mechanism of a circuit breaker.
Background
The circuit breaker mechanism can be switched on electrically and manually, and can be tripped and switched off after switching on. The existing circuit breaker mechanism realizes electric and manual switching-on through a clutch and tripping and switching-off after switching-on, but the existing one-way clutch cannot realize bidirectional separation, and the existing two-way clutch has the advantages of complex structure, large volume and high cost, and is not easy to assemble in the circuit breaker mechanism. Therefore, a clutch mechanism is urgently needed to realize the closing and opening of the electric operating mechanism of the circuit breaker.
Disclosure of Invention
The invention aims to provide a clutch mechanism for an electric operating mechanism of a circuit breaker, which aims to solve the technical problem.
In order to solve the technical problem, the invention provides a clutch mechanism for an electric operating mechanism of a circuit breaker, which comprises a driving part, a driven part, a control block and a bidirectional holding mechanism, wherein the driving part is arranged on the driving part;
the driving part and the driven part form coaxial line rotation arrangement;
the control block comprises a switching part and a clamping part, and the control block is rotatably connected with the driven part through the switching part;
the driven part is provided with a disengaging station and a closing station, and the clamping part of the control block reciprocates between the disengaging station and the closing station;
the bidirectional holding mechanism is connected with the control block and the driven piece;
the inner ring surface of the driving part is provided with a plurality of clamping grooves used for being matched with the clamping parts of the control block;
when the clamping part of the control block rotates to the closed station along with the driven part, the clamping part on the control block and the clamping groove of the driving part form clamping fit, and the bidirectional holding mechanism is suitable for keeping the clamping part of the control block at the closed station so as to enable the driving part and the driven part to synchronously rotate;
when the clamping portion of the control block rotates to the disengaging station under the action of external force, the clamping portion on the control block disengages from the clamping groove of the driving part, and the bidirectional holding mechanism is suitable for keeping the clamping portion of the control block at the disengaging station so that the driving part and the driven part rotate relatively.
Further: the control block comprises a clamping block, a transmission block and a rotating shaft;
the rotating shaft is rotatably connected with the driven part;
the clamping block comprises a switching part and a clamping part, the switching part of the clamping block is connected with the rotating shaft and is suitable for the rotating shaft to rotate synchronously, and the clamping part of the clamping block is suitable for being matched with the clamping groove of the driving part;
the transmission block comprises a switching part and a connecting part, the switching part of the transmission block is connected with the rotating shaft and is suitable for driving the rotating shaft to rotate, and the connecting part of the transmission block is connected with the bidirectional retaining mechanism;
when the clamping part of the clamping block rotates to a closed station along with the driven part, the clamping part of the clamping block and the clamping groove of the driving part form clamping fit, and the bidirectional retaining mechanism drives the clamping part of the clamping block to keep clamping fit with the clamping groove of the driving part through the transmission block and the rotating shaft so as to enable the driving part and the driven part to synchronously rotate;
when the clamping portion of the clamping block rotates to the separating station under the action of external force, the clamping portion on the clamping block is separated from the clamping groove of the driving part, and the bidirectional retaining mechanism drives the clamping portion of the clamping block to keep separating from the clamping groove of the driving part through the transmission block and the rotating shaft, so that the driving part and the driven part rotate relatively.
Further: the bidirectional retaining mechanism comprises a tension spring and a tension spring shaft, the tension spring shaft is fixedly connected with the driven part, one end of the tension spring is connected with the tension spring shaft, the other end of the tension spring is connected with the connecting part of the transmission block, and the switching part of the transmission block is located between the tension spring shaft and the connecting part of the transmission block.
Further: the driven piece is fixedly provided with a support, the tension spring shaft is fixedly arranged on the support, and the upper end of the rotating shaft penetrates through the support.
Further: the motor and the gear transmission mechanism are arranged in the shell, the driving part is a gear ring, and the gear transmission mechanism is connected with the motor and the gear ring.
The clutch mechanism for the electric operating mechanism of the circuit breaker has the beneficial effects that when the clutch mechanism is used, the clamping part of the control block rotates to the closing station along with the driven part, so that the clamping part on the control block and the clamping groove of the driving part form clamping fit, and the bidirectional holding mechanism is suitable for keeping the clamping part of the control block at the closing station so as to enable the driving part and the driven part to synchronously rotate;
when the clamping portion of the control block is rotated to the disengaging station under the action of external force, the clamping portion on the control block is disengaged from the clamping groove of the driving part, and the bidirectional holding mechanism is suitable for keeping the clamping portion of the control block at the disengaging station, so that the driving part and the driven part rotate relatively.
Meanwhile, the clutch mechanism is simple in structure, small in size and low in processing and production cost, is convenient to install on the circuit breaker operating mechanism, and facilitates the circuit breaker operating mechanism to perform opening and closing electrically and manually.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a perspective view of a preferred embodiment of the present invention with the control block in an exit station;
FIG. 2 is a perspective view of a preferred embodiment of the active member of the present invention;
FIG. 3 is a perspective view of a preferred embodiment of the follower of the present invention;
FIG. 4 is a perspective view of a preferred embodiment of the control block of the present invention;
FIG. 5 is a perspective view of the preferred embodiment of the control block of the present invention in the closed position;
fig. 6 is a perspective view of a preferred embodiment of the bi-directional retention mechanism of the present invention.
In the figure:
1. a housing; 3. a driving member; 31. a clamping groove; 4. a driven member; 41. closing the station; 42. disengaging the station; 5. a control block; 51. a clamping block; 511. a clamping part; 52. a transmission block; 53. a rotating shaft; 6. a bidirectional holding mechanism; 61. a tension spring; 62. a tension spring shaft; 7. a support; 8. an electric motor.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 is a schematic view of a preferred embodiment of a clutch mechanism for an electric operating mechanism of a circuit breaker according to the present invention;
as shown in fig. 1 to 3, the present embodiment provides a clutch mechanism for an electric operating mechanism of a circuit breaker, including a housing 1, a driving member 3, a driven member 4, a control block 5, and a bidirectional holding mechanism 6. The driving part 3 and the driven part 4 are coaxially and rotatably arranged. The control block 5 comprises an adapter part and a clamping part 511, and the control block 5 is rotatably connected with the driven part 4 through the adapter part. The follower 4 is provided with a disengaging station 42 and a closing station 41, and the clamping part 511 of the control block 5 reciprocates between the disengaging station 42 and the closing station 41. The bidirectional holding mechanism 6 is connected with the control block 5 and the driven part 4, and the inner ring surface of the driving part 3 is provided with a plurality of clamping grooves 31 matched with the clamping parts 511 of the control block 5. A motor 8 and a gear transmission mechanism are arranged in the machine shell 1, the driving part 3 is a gear ring, and the gear transmission mechanism 2 is used for connecting the motor 8 and the gear ring.
Specifically, when the clamping portion 511 of the control block 5 rotates to the closing station 41 along with the driven member 4, the clamping portion 511 on the control block 5 and the clamping groove 31 of the driving member 3 form clamping fit, and the bidirectional holding mechanism 6 is suitable for holding the clamping portion 511 of the control block 5 at the closing station 41, so that the driving member 3 and the driven member 4 rotate synchronously.
When the clamping portion 511 of the control block 5 rotates to the disengaging station 42 under the action of an external force, the clamping portion 511 on the control block 5 disengages from the clamping groove 31 of the driving part 3, and the bidirectional holding mechanism 6 is suitable for holding the clamping portion 511 of the control block 5 at the disengaging station 42, so that the driving part 3 and the driven part 4 rotate relatively.
FIG. 4 is an alternative perspective view of the control block 5 of the present invention;
optionally, in this embodiment, the control block 5 includes a clamping block 51, a transmission block 52, and a rotating shaft 53. The rotating shaft 53 is rotatably connected to the driven member 4. The transmission block 52 is arranged at the upper end of the rotating shaft 53, and the clamping block 51 is arranged at the lower end of the rotating shaft 53.
Specifically, the clamping block 51 includes an adapter portion and a clamping portion 511, the adapter portion of the clamping block 51 is synchronously and rotatably connected (i.e., fixedly connected) with the rotating shaft 53, and the clamping portion 511 of the clamping block 51 is adapted to the clamping groove 31 of the active component 3.
Specifically, the transmission block 52 includes an adapter portion and a connecting portion, the adapter portion of the transmission block 52 is fixedly connected to the rotating shaft 53, and is suitable for driving the rotating shaft 53 to rotate, and the connecting portion of the transmission block 52 is connected to the bidirectional holding mechanism 6.
As shown in fig. 5, when the engaging portion 511 of the engaging block 51 rotates to the closing position 41 along with the driven member 4, the engaging portion 511 of the engaging block 51 and the engaging groove 31 of the driving member 3 form an engaging fit, and the bidirectional retaining mechanism 6 drives the engaging portion 511 of the engaging block 51 to maintain the engaging fit with the engaging groove 31 of the driving member 3 through the transmission block 52 and the rotation shaft 53, so that the driving member 3 and the driven member 4 rotate synchronously.
As shown in fig. 1, when the engaging portion 511 of the engaging block 51 is rotated to the disengaging position 42 by an external force, the engaging portion 511 on the engaging block 51 is disengaged from the engaging groove 31 of the driving member 3, and the bidirectional retaining mechanism 6 drives the engaging portion 511 of the engaging block 51 to be disengaged from the engaging groove 31 of the driving member 3 via the transmission block 52 and the rotation shaft 53, so that the driving member 3 and the driven member 4 rotate relatively.
FIG. 6 is an alternative perspective view of the bi-directional retaining mechanism 6 of the present invention;
specifically, the bidirectional retaining mechanism 6 in this embodiment includes a tension spring 61 and a tension spring shaft 62, the tension spring shaft 62 is fixedly connected to the driven member 4, one end of the tension spring 61 is connected to the tension spring shaft 62, the other end of the tension spring 61 is connected to the connecting portion of the transmission block 52, and the switching portion of the transmission block 52 is located between the tension spring shaft 62 and the connecting portion of the transmission block 52.
The connecting portion of the driving block 52 is a pin shaft in this embodiment, the pin shaft is fixedly disposed on the driving block, and the pin shaft has the same function as the tension spring shaft 62 and is used for connecting the tension spring 61.
Fig. 6 is an alternative perspective view of the bracket 7 of the present invention;
optionally, a bracket 7 is fixedly disposed on the driven member 4, the tension spring shaft 62 is fixedly disposed on the bracket 7, and the upper end of the rotating shaft 53 passes through the bracket 7. The support 7 can increase the supporting and transmission strength of the rotating shaft 53.
In view of the above, it is desirable to provide,
when the circuit breaker is used as a clutch mechanism for an electric operating mechanism, when the circuit breaker is in opening operation, an energy storage main shaft on the circuit breaker mechanism drives a driven part 4 and a control block 5 to rotate anticlockwise, after the control block 5 is blocked by a stop pin fixed in a machine shell 1, the control block is rotated clockwise, a clamping part 511 of a clamping block 51 rotates to a closing station 41 around a rotating shaft 53, the center of a pin shaft on a connecting part of a transmission block 52 crosses the center of the rotating shaft 53 to be connected with the center of a tension spring shaft 62, the tension spring shaft 62 drives the transmission block 52 to rotate, the transmission block 52 drives the rotating shaft 53 to rotate, the rotating shaft 53 drives the clamping block 51 to rotate, the clamping part 511 of the clamping block 51 and a clamping groove 31 of a driving part 3 form clamping fit, clamping is kept under the effect of the tension spring 61, and the driving part 3 and.
When the circuit breaker mechanism is in a closing station, a rotary shifting piece on the circuit breaker mechanism sequentially drives the transmission block 52 and the clamping block 51 to rotate to a disengaging station, the center of a pin shaft on a connecting part of the transmission block 52 crosses the center of the rotating shaft 53 to be connected with the center of the tension spring shaft 62, the tension spring shaft 62 drives the transmission block 52 to rotate, the transmission block 52 drives the rotating shaft 53 to rotate, the rotating shaft 53 drives the clamping block 51 to rotate, so that the clamping part 511 on the clamping block 51 is disengaged from the clamping groove 31 of the driving part 3, and is kept disengaged under the action of the tension spring 61, so that the driving part 3 and the driven part 4 rotate relatively.
The clutch mechanism has the advantages of simple structure, small volume and low processing and production cost, is convenient to install on the circuit breaker operating mechanism, and is convenient for the circuit breaker operating mechanism to perform opening and closing electrically and manually.
All the parts of the devices selected in the present application are general standard parts or parts known to those skilled in the art, and the structures and principles thereof can be known to those skilled in the art through technical manuals or through routine experimental methods.
In the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; either mechanically or electrically. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other ways, and the above-described apparatus embodiments are merely illustrative.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (5)
1. The utility model provides a circuit breaker clutching mechanism for electric operating mechanism which characterized by:
comprises a driving part (3), a driven part (4), a control block (5) and a bidirectional holding mechanism (6);
the driving part (3) and the driven part (4) form coaxial rotation;
the control block (5) comprises a switching part and a clamping part (511), and the control block (5) is rotationally connected with the driven part (4) through the switching part;
a disengaging station (42) and a closing station (41) are arranged on the driven part (4), and a clamping part (511) of the control block (5) reciprocates between the disengaging station (42) and the closing station (41);
the bidirectional holding mechanism (6) is connected with the control block (5) and the driven piece (4);
the inner ring surface of the driving piece (3) is provided with a plurality of clamping grooves (31) which are used for being matched with the clamping parts (511) of the control block (5);
when the clamping part (511) of the control block (5) rotates to the closing station (41) along with the driven part (4), the clamping part (511) on the control block (5) and the clamping groove (31) of the driving part (3) form clamping fit, and the bidirectional holding mechanism (6) is suitable for keeping the clamping part (511) of the control block (5) at the closing station (41) so as to enable the driving part (3) and the driven part (4) to synchronously rotate;
when the clamping portion (511) of the control block (5) rotates to the disengaging station (42) under the action of external force, the clamping portion (511) on the control block (5) disengages from the clamping groove (31) of the driving part (3), and the bidirectional holding mechanism (6) is suitable for keeping the clamping portion (511) of the control block (5) at the disengaging station (42) so that the driving part (3) and the driven part (4) rotate relatively.
2. The clutch mechanism for an electric operating mechanism of a circuit breaker according to claim 1, wherein:
the control block (5) comprises a clamping block (51), a transmission block (52) and a rotating shaft (53);
the rotating shaft (53) is rotationally connected with the driven part (4);
the clamping block (51) comprises a switching part and a clamping part (511), the switching part of the clamping block (51) is connected with the rotating shaft (53) and is suitable for synchronously rotating with the rotating shaft (53), and the clamping part (511) of the clamping block (51) is suitable for being matched with the clamping groove (31) of the driving part (3);
the transmission block (52) comprises an adapter part and a connecting part, the adapter part of the transmission block (52) is connected with the rotating shaft (53) and is suitable for driving the rotating shaft (53) to rotate, and the connecting part of the transmission block (52) is connected with the bidirectional retaining mechanism (6);
when the clamping part (511) of the clamping block (51) rotates to the closed station (41) along with the driven part (4), the clamping part (511) of the clamping block (51) and the clamping groove (31) of the driving part (3) form clamping fit, and the bidirectional holding mechanism (6) drives the clamping part (511) of the clamping block (51) to keep clamping fit with the clamping groove (31) of the driving part (3) through the transmission block (52) and the rotating shaft (53) so as to enable the driving part (3) and the driven part (4) to rotate synchronously;
when joint portion (511) of joint piece (51) receive external force rotatory to breaking away from during station (42), joint portion (511) on joint piece (51) break away from in joint groove (31) of driving part (3), two-way retaining mechanism (6) drive joint portion (511) of joint piece (51) through transmission piece (52) and pivot (53) keep breaking away from in joint groove (31) of driving part (3) to make driving part (3) and follower (4) do relative rotation.
3. The clutch mechanism for an electric operating mechanism of a circuit breaker according to claim 2, wherein:
two-way hold mechanism (6) are including extension spring (61) and extension spring axle (62), extension spring axle (62) and follower (4) fixed connection, extension spring (61) one end is connected with extension spring axle (62), the other end and the connecting portion of transmission piece (52) of extension spring (61) are connected, the switching portion of transmission piece (52) is located between the connecting portion of extension spring axle (62) and transmission piece (52).
4. The clutch mechanism for an electric operating mechanism of a circuit breaker according to claim 3, wherein:
a support (7) is fixedly arranged on the driven piece (4), the tension spring shaft (62) is fixedly arranged on the support (7), and the upper end of the rotating shaft (53) penetrates through the support (7).
5. The clutch mechanism for an electric operating mechanism of a circuit breaker according to claim 2, wherein: still include casing (1), set up motor (8) and gear drive in casing (1), driving part (3) are the ring gear, gear drive connects motor (8) and ring gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911159273.XA CN110828249A (en) | 2019-11-22 | 2019-11-22 | Clutch mechanism for electric operating mechanism of circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911159273.XA CN110828249A (en) | 2019-11-22 | 2019-11-22 | Clutch mechanism for electric operating mechanism of circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110828249A true CN110828249A (en) | 2020-02-21 |
Family
ID=69558384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911159273.XA Pending CN110828249A (en) | 2019-11-22 | 2019-11-22 | Clutch mechanism for electric operating mechanism of circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110828249A (en) |
-
2019
- 2019-11-22 CN CN201911159273.XA patent/CN110828249A/en active Pending
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