CN216749634U - Operating mechanism of switch device and switch device - Google Patents
Operating mechanism of switch device and switch device Download PDFInfo
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- CN216749634U CN216749634U CN202122654852.0U CN202122654852U CN216749634U CN 216749634 U CN216749634 U CN 216749634U CN 202122654852 U CN202122654852 U CN 202122654852U CN 216749634 U CN216749634 U CN 216749634U
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model relates to the field of low-voltage electricity, in particular to an operating mechanism of a switching device, wherein a transmission shaft, a cam and an operating shaft are respectively and rotatably arranged, and the operating shaft is in driving fit with the cam to drive the cam to rotate; the cam rotates to enable the energy storage spring to store energy, the energy storage spring stores energy to the maximum value when the cam rotates to the dead point position, and the energy storage spring releases energy to drive the cam to rotate after the cam rotates to the dead point position; the transmission shaft is in driving fit with the cam and is used for outputting driving force to a moving contact structure of the switching device; a rotation allowance is arranged between the cam and the transmission shaft, so that the transmission shaft keeps static in the process that the cam rotates to the dead point position; after the cam rotates to the dead point position, the cam continues to rotate by a first angle phi 1 and then contacts with the transmission shaft to drive the transmission shaft to rotate, and the first angle phi 1 is larger than 0 degree; the operating mechanism is simple in structure and high in opening and closing operation speed. The utility model also relates to a switch device comprising the operating mechanism, which has high switching-on and switching-off speed and good current-carrying capacity.
Description
Technical Field
The present invention relates to the field of low-voltage electrical, in particular to an operating mechanism of a switching device and a switching device comprising said operating mechanism.
Background
In low-voltage power distribution systems, isolation switches are often used to connect and disconnect circuits. In the disconnecting switch, an operating mechanism is an important component, and an operator drives the operating mechanism to move manually or electrically to switch on and off a contact system of the disconnecting switch.
The operating mechanism of the existing isolating switch has the following problems:
1. the switching-on and switching-off operation speed is not enough, so that fusion welding between the movable contact and the static contact is easily caused;
2. the structure is complex and the operating force is large.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provides an operating mechanism of a switching device, which has simple structure and high switching-on and switching-off operation speed; the utility model also provides a switch device comprising the operating mechanism, which has high switching-on and switching-off speed and good current-carrying capacity.
In order to achieve the purpose, the utility model adopts the following technical scheme:
an operating mechanism of a switch device comprises a transmission shaft, a cam, an operating shaft and an energy storage spring, wherein the transmission shaft, the cam and the operating shaft are respectively arranged in a rotating manner, and the operating shaft is in driving fit with the cam to drive the cam to rotate; the cam rotates to enable the energy storage spring to store energy, the energy storage spring stores energy to the maximum value when the cam rotates to the dead point position, and the energy storage spring releases energy to drive the cam to rotate after the cam rotates to the dead point position; the transmission shaft is in driving fit with the cam and is used for outputting driving force to a moving contact structure of the switching device; a rotation allowance is arranged between the cam and the transmission shaft, so that the transmission shaft keeps static in the process that the cam rotates to the dead point position; after the cam rotates to the dead point position, the cam continuously rotates through a first angle phi 1 and then is in contact with the transmission shaft to drive the transmission shaft to rotate, and the first angle phi 1 is larger than 0 degrees.
Preferably, the first angle Φ 1 is 2 ° to 20 °.
Preferably, the first angle Φ 1 is 2 ° to 10 °.
Preferably, the cam and the transmission shaft are matched through at least one group of first transmission structures; each group of first transmission structures comprises a first matching part and a second matching part, the first matching part comprises a first blocking block and a second blocking block which are arranged oppositely at intervals, and the second matching part is arranged between the first blocking block and the second blocking block and is respectively matched with the first blocking block and the second blocking block; and the first matching part and the second matching part of each group of the first transmission structure are arranged on the cam, and the other one is arranged on the transmission shaft.
Preferably, the first matching part is arranged on the cam, the first blocking block is a first cam surface, and the second blocking block is a second cam surface; the second matching part is arranged on the transmission shaft and is a transmission shaft boss.
Preferably, the rotation axes of the cam and the transmission shaft are coincident; the cam comprises a cam driving end arranged at one axial end of the cam, two radial ends of the cam driving end are respectively provided with a first matching part, a camshaft table coaxially arranged with the cam is arranged between the two first matching parts, and the middle part of the camshaft table is provided with a first camshaft hole; the transmission shaft comprises a transmission shaft matching end arranged at one axial end of the transmission shaft, the two radial ends of the transmission shaft matching end are respectively provided with a second matching part, the middle part of the transmission shaft matching end is provided with a transmission shaft matching hole which is coaxial with the transmission shaft, and the middle part of the transmission shaft matching hole is provided with a transmission shaft post which is coaxial with the transmission shaft; the camshaft table is rotatably inserted into the transmission shaft matching hole, the transmission shaft column is rotatably inserted into the first camshaft hole, and the two first matching portions are respectively matched with the two second matching portions.
Preferably, a first free stroke is arranged between the operating shaft and the cam; the operating shaft drives the cam to rotate to a dead point position, and the cam rotates past the dead point position and then moves through a first idle stroke relative to the operating shaft.
Preferably, the operating shaft and the cam are in driving fit through a second transmission structure; the second transmission structure comprises a third matching part and a fourth matching part, the third matching part comprises a third blocking stop and a fourth blocking stop which are oppositely arranged at intervals, and the fourth matching part is arranged between the third blocking stop and the fourth blocking stop and is respectively matched with the third blocking stop and the fourth blocking stop; one of the third fitting portion and the fourth fitting portion is provided on the operation shaft, and the other is provided on the cam.
Preferably, the third matching part is arranged on the cam, the third blocking stop is a third cam surface, and the fourth blocking stop is a fourth cam surface; the fourth matching part is arranged on the operating shaft and is an operating shaft driving part.
Preferably, the rotating axes of the operating shaft and the cam are arranged in parallel at intervals; the operating shaft includes an operating shaft main lever, and the operating shaft driving part is provided on the operating shaft main lever to be offset to the cam.
Preferably, the two axial ends of the cam are respectively in driving fit with the operating shaft and the transmission shaft.
Preferably, the operating mechanism comprises two energy storage springs, and the two energy storage springs are arranged in a central symmetry mode with the rotating axis of the cam.
Preferably, operating device still includes the mechanism casing, and the mechanism casing includes relative complex casing base and housing base, and the transmission shaft rotates and sets up on the casing base, and the cam rotates and sets up between housing base and transmission shaft, and the operating axis rotates and sets up on housing base, and energy storage spring one end rotates and sets up on housing base, and the other end and cam cooperation.
A switch device comprises the operating mechanism.
According to the operating mechanism of the switch device, after the cam rotates through the dead point position, the cam needs to continuously rotate through the first angle phi 1 and then contacts with the transmission shaft to drive the transmission shaft to rotate, so that the rotating speed of the cam at the initial energy release stage of the energy storage spring can be effectively accelerated, the rotating speed of the transmission shaft is increased, the opening and closing speed of the switch device is increased, and the current carrying capacity of the switch device is improved.
In addition, the operating shaft and the rotating axis of the cam are arranged in parallel at intervals, which is beneficial to reducing the operating force for operating the operating shaft.
The switch device comprises the operating mechanism, and the operating mechanism improves the switching-on and switching-off speed of the switch device and improves the current carrying capacity of the switch device.
Drawings
FIG. 1 is an exploded view of the operating mechanism of the switchgear of the present invention;
FIG. 2 is a schematic view of the construction of the operating shaft of the present invention;
FIG. 3 is a schematic view of the construction of the cam of the present invention showing a third cam surface and a fourth cam surface;
FIG. 4 is a schematic view of the construction of the cam of the present invention showing a first cam surface and a second cam surface;
FIG. 5 is a schematic structural view of a propeller shaft according to the present invention;
FIG. 6 is a schematic structural view of an operating mechanism of the switchgear of the present invention, which is in an open state;
FIG. 7 is a schematic view of the operating mechanism of the switchgear of the present invention with the cam in the dead-center position;
FIG. 8 is a schematic view of the engagement structure of the cam and the transmission shaft of the present invention, wherein the cam is at the dead-center position, and the cam needs to rotate to the first direction D1 by a first angle φ 1 to engage with the transmission shaft;
fig. 9 is a schematic structural diagram of the switching device of the present invention, which is in a closing state;
fig. 10 is a schematic view of the engagement structure of the cam and the transmission shaft according to the present invention, wherein the cam is at the dead-center position, and the cam needs to rotate continuously in the second direction D2 by the first angle Φ 1 to be in contact engagement with the transmission shaft.
Detailed Description
The following description will further describe embodiments of the operating mechanism and the switching device of the present invention with reference to the embodiments shown in fig. 1 to 10. The operating mechanism and the switch device of the present invention are not limited to the description of the following embodiments.
The switch device, preferably an isolating switch, comprises an operating mechanism and a contact system, wherein the contact system comprises a movable contact structure and a fixed contact structure which are matched with each other, and the operating mechanism is in driving connection with the movable contact structure to drive the contact system to be closed or opened, namely to drive the isolating switch to be switched on or switched off.
As shown in fig. 1, 6-7, and 9, which are one embodiment of the operating mechanism of the present invention: the operating mechanism comprises a transmission shaft 2, a cam 3, an operating shaft 4 and an energy storage spring 5, the transmission shaft 2, the cam 3 and the operating shaft 4 are respectively arranged in a rotating manner, the operating shaft 4 is in driving fit with the cam 3 to drive the cam to rotate, and the energy storage spring 5 is matched with the cam 3; the cam 3 rotates to enable the energy storage spring 5 to store energy, the energy storage spring 5 stores energy to the maximum value when the cam 3 rotates to the dead point position, and the energy storage spring 5 releases energy to drive the cam 3 to rotate after the cam 3 rotates to the dead point position; the transmission shaft 2 is in driving fit with the cam 3 and is used for outputting driving force to a moving contact structure of the switching device so as to switch on or switch off the switching device; a rotation allowance is arranged between the cam 3 and the transmission shaft 2, so that the transmission shaft 2 keeps static in the process that the cam 3 rotates to the dead point position; after the cam 3 rotates to the dead point position, the cam continues to rotate by a first angle phi 1 and then contacts with the transmission shaft 2 to drive the transmission shaft to rotate, and the first angle phi 1 is larger than 0 degree.
According to the operating mechanism of the switch device, after the cam rotates to the position of the passing point, the cam needs to continuously rotate by the first angle phi 1 and then contacts with the transmission shaft to drive the transmission shaft to rotate, so that the rotating speed of the cam at the initial energy release stage of the energy storage spring can be effectively accelerated, the rotating speed of the transmission shaft is increased, the opening and closing speed of the switch device is increased, and the current carrying capacity of the switch device is improved.
The first angle phi 1 is 2-20 degrees. Further, the first angle phi 1 is 2-10 degrees.
As shown in fig. 1, 6-7 and 9, a first free stroke is provided between the operating shaft 4 and the cam 3; the operating shaft 4 drives the cam 3 to rotate to a dead point position, and the cam 3 rotates past the dead point position and then moves through a first idle stroke relative to the operating shaft 4. It should be noted that the operator can manually operate the operation shaft 4 to rotate or can electrically drive the operation shaft 4 to rotate.
As shown in fig. 1, 3 and 5, the cam 3 and the transmission shaft 2 are engaged through at least one set of first transmission structure; each group of first transmission structures comprises a first matching part and a second matching part, the first matching part comprises a first blocking block and a second blocking block which are arranged oppositely at intervals, and the second matching part is arranged between the first blocking block and the second blocking block and is respectively matched with the first blocking block and the second blocking block; and the first matching part and the second matching part of each group of the first transmission structure are arranged on the cam 3, and the other one is arranged on the transmission shaft 2. Further, as shown in fig. 4, the first matching portion is disposed on the cam 3, the first blocking portion is a first cam surface 3-20, and the second blocking portion is a second cam surface 3-21; as shown in fig. 5, the second fitting portion is provided on the drive shaft 2 as drive shaft bosses 2 to 20.
Specifically, as shown in fig. 1, the rotation axes of the cam 3 and the transmission shaft 2 are coincident; as shown in fig. 4, the cam 3 includes a cam driving end disposed at one axial end thereof, and a first engaging portion is disposed at each of two radial ends of the cam driving end; as shown in fig. 5, the transmission shaft 2 includes a transmission shaft mating end 2-2 arranged at one axial end thereof, and two second mating portions are respectively arranged at two radial ends of the transmission shaft mating end 2-2; the cam driving end is opposite to the transmission shaft matching end 2-2, and the two first matching parts and the two second matching parts are respectively in driving matching. Further, as shown in fig. 4, a camshaft table 3-5 coaxially arranged with the cam 3 is arranged between the two first matching parts, and a first camshaft hole 3-50 is arranged in the middle of the camshaft table 3-5; as shown in fig. 5, a transmission shaft matching hole 2-21 coaxially arranged with the transmission shaft 2 is formed in the middle of the transmission shaft matching end 2-2, and a transmission shaft column 2-3 coaxially arranged with the transmission shaft matching hole 2-21 is formed in the middle of the transmission shaft matching hole 2-21; the camshaft table 3-5 is rotatably inserted into the transmission shaft matching hole 2-21, and the transmission shaft column 2-3 is rotatably inserted into the first camshaft hole 3-50. Further, as shown in fig. 4, the cam 3 includes two sector-shaped bosses disposed on the driving end of the cam, the two sector-shaped bosses are disposed at two radial ends of the driving end of the cam, respectively, one end surface of each sector-shaped boss is a first cam surface 3-20, and the other end surface is a second cam surface 3-21.
As another embodiment, the first engagement portion of the first transmission structure is provided on the transmission shaft 2, and the second engagement portion of the first transmission structure is provided on the cam 3.
As shown in fig. 1-3, 6-7 and 9, the operating shaft 4 is in driving fit with the cam 3 through a second transmission structure; the second transmission structure comprises a third matching part and a fourth matching part, the third matching part comprises a third blocking stop and a fourth blocking stop which are oppositely arranged at intervals, and the fourth matching part is arranged between the third blocking stop and the fourth blocking stop and is respectively matched with the third blocking stop and the fourth blocking stop; one of the third fitting portion and the fourth fitting portion is provided on the operation shaft 4, and the other is provided on the cam 3. Further, as shown in fig. 3, the third mating portion is disposed on the cam 3, the third blocking position is a third cam surface 3-30, and the fourth blocking position is a fourth cam surface 3-31; as shown in fig. 1-2, 6-7, and 9, the fourth engagement portion is provided on the operation shaft 4 as the operation shaft driving portion 4-2. Further, as shown in fig. 2, the rotation axes of the operating shaft 4 and the cam 3 are arranged in parallel at intervals; the operating shaft 4 includes an operating shaft main lever 4-0, and the operating shaft driving part 4-2 is disposed on the operating shaft main lever 4-0 to be offset to the cam 3, which is advantageous for reducing the operating force for operating the operating shaft 4.
Specifically, as shown in fig. 3, the cam 3 includes a cam driven end disposed at one axial end thereof, and the cam driven end and the cam driving end are respectively located at two axial ends of the cam 3; the driven end of the cam is provided with a V-shaped groove, and the third cam surface 3-30 and the fourth cam surface 3-31 are a pair of side walls of the V-shaped groove. As shown in fig. 2, an operation shaft connecting portion 4-1 is disposed at an axial end of the operation shaft main rod 4-0, and the operation shaft driving portion 4-2 is a roller disposed on the operation shaft connecting portion 4-1, which is beneficial to reducing the friction force between the operation shaft driving portion 4-2 and the cam 3 and improving the smoothness of the operation.
As another example, the third engagement portion is provided on the operation shaft 4, and the fourth engagement portion is provided on the cam 3.
As shown in fig. 1, 6-9, the operating mechanism comprises two stored energy springs 5, and the two stored energy springs 5 are arranged in central symmetry with the rotation axis of the cam 3. Further, as shown in fig. 1, 6-9, one end of each of the two energy storage springs 5 is respectively engaged with two radial ends of the cam 3, and the other end of each of the two energy storage springs 5 is rotatably disposed on a mechanism housing of the operating mechanism.
Specifically, as shown in fig. 3-4, two radial ends of the cam 3 are respectively provided with a cam engaging groove 3-4; as shown in fig. 1, the energy storage springs 5 are compression springs, one end of each energy storage spring 5 is provided with a spring limiting rod in limit fit with the cam fitting groove 3-4, and when the cam 3 is located at a dead point position, two ends of each energy storage spring 5 and a rotation axis of the cam 3 are located on the same straight line. After the cam 3 rotates to one side of the dead point position, the acting force of the energy storage spring 5 on the cam 3 drives the cam to rotate towards one side, and after the cam 3 rotates to the other side of the dead point position, the acting force of the energy storage spring 5 on the cam 3 drives the cam to rotate towards the other side.
As other embodiments, the energy storage spring 5 may also be a torsion spring, one end of the torsion spring is matched with the cam 3, and the other end is rotatably arranged on the mechanism housing; when the cam 3 is positioned at the dead point position, the acting force of the energy storage spring 5 on the cam 3 and the rotating axis of the cam 3 are positioned on the same straight line.
The operation of the operating mechanism will be described with reference to fig. 6-9 of the specification:
as shown in fig. 6, the operating mechanism is in the open state; as shown in fig. 7, when the operating mechanism is closed, the operating shaft 4 rotates to drive the cam 3 to rotate in a first direction D1 (as shown in fig. 7, the first direction D1 is preferably a counterclockwise direction) by the operating shaft driving part 4-2, and the energy storage spring 5 stores energy along with the rotation of the cam 3; as shown in fig. 7-8, when the cam 3 rotates relative to the transmission shaft 2 by the rotation margin and rotates to the dead point position, the energy storage spring 5 stores energy to the maximum value and the geometric axis thereof is on the same straight line with the rotation axis of the cam 3, at this time, the cam 3 is not in contact with the transmission shaft 2 yet, and a gap is further formed between the first matching part and the second matching part between the cam 3 and the transmission shaft 2; referring to fig. 8, after the cam 3 continuously rotates from the dead point position to the first direction D1 by the first angle Φ 1, the cam 3 contacts with the transmission shaft 2 to drive the transmission shaft 2 to rotate, and when the cam 3 rotates from the dead point position by the first angle Φ 1, because the cam 3 does not contact with the transmission shaft 2 yet, the operating shaft 4 and the energy storage spring 5 release energy to make the cam 3 obtain a higher speed, so that the cam drives the transmission shaft 2 to rotate at a higher speed after contacting with the transmission shaft 2, thereby driving the switching device to be switched on at a higher speed, preventing a moving contact and a static contact of the switching device from being welded, and switching the operating mechanism to the switching state shown in fig. 9.
As shown in fig. 9, the operating mechanism is in a closed state; as shown in fig. 10, when the operating mechanism is opened, the operating shaft 4 rotates to drive the cam 3 to rotate in a second direction D2 (as shown in fig. 10, the second direction D2 is preferably clockwise) through the operating shaft driving part 4-2, the second direction D2 is opposite to the first direction D1, and the energy storage spring 5 stores energy along with the rotation of the cam 3; as shown in fig. 10, when the cam 3 rotates relative to the transmission shaft 2 by the rotation margin and rotates to the dead point position, the energy storage spring 5 stores energy to the maximum value, and the cam 3 is not yet in contact with the transmission shaft 2; referring to fig. 10, after the cam 3 rotates from the dead point position to the second direction D2 by the first angle Φ 1, the cam contacts the transmission shaft 2 to drive the transmission shaft 2 to rotate, and the transmission shaft 2 drives the switch device to switch to the open state shown in fig. 6.
As shown in fig. 1, 6-7 and 9, the operating mechanism further comprises a mechanism housing, the mechanism housing comprises a housing base 1 and a housing base 6 which are matched with each other, the transmission shaft 2 is rotatably arranged on the housing base 1, the cam 3 is rotatably arranged between the housing base 6 and the transmission shaft 2, the operating shaft 4 is rotatably arranged on the housing base 6, one end of the energy storage spring 5 is rotatably arranged on the housing base 1, and the other end of the energy storage spring is matched with the cam 13. Further, as shown in fig. 5, the transmission shaft 2 includes a transmission shaft output end 2-0, a transmission shaft limiting part 2-1 and a transmission shaft mating end 2-2, which are connected in sequence, the transmission shaft output end 2-0 is rotatably disposed in a base transmission shaft hole on the housing base 1 to output a driving force to a moving contact structure of the switching device, and the transmission shaft limiting part 2-1 is in limiting fit with the housing base 1 to prevent the transmission shaft 2 from coming out of the base transmission shaft hole; as shown in fig. 1, the mechanism base 6 is provided with a base operating shaft hole, and the operating shaft main rod 4-1 of the operating shaft 4 is rotatably inserted into the base operating shaft hole; as shown in FIG. 3, a camshaft column 3-1 is arranged at the cam driven end of the cam 3, a second camshaft hole 3-10 is arranged at the middle part of the camshaft column 3-1, the cam 3 is matched with the base 6 through the second camshaft hole 3-10 and is rotatably arranged on the mechanism base 6, for example, a base shaft which is rotatably inserted into the second camshaft hole 3-10 is arranged on the mechanism base 6, or a base shaft hole which corresponds to the second camshaft hole 3-10 is arranged on the mechanism base 6, and two ends of a cam rotating shaft are respectively inserted into the second camshaft hole 3-10 and the base shaft hole.
The switch device comprises the operating mechanism, and the operating mechanism improves the opening and closing speed of the switch device and improves the current carrying capacity of the switch device.
The foregoing is a more detailed description of the utility model in connection with specific preferred embodiments and it is not intended that the utility model be limited to these specific details. For those skilled in the art to which the utility model pertains, several simple deductions or substitutions can be made without departing from the spirit of the utility model, and all shall be considered as belonging to the protection scope of the utility model.
Claims (14)
1. An operating mechanism of a switch device comprises a transmission shaft (2), a cam (3), an operating shaft (4) and an energy storage spring (5), wherein the transmission shaft (2), the cam (3) and the operating shaft (4) are respectively arranged in a rotating manner, and the operating shaft (4) is in driving fit with the cam (3) to drive the cam to rotate; the cam (3) rotates to enable the energy storage spring (5) to store energy, the energy storage spring (5) stores energy to the maximum value when the cam (3) rotates to the dead point position, and the energy storage spring (5) releases energy to drive the cam (3) to rotate after the cam (3) rotates to the dead point position; the transmission shaft (2) is in driving fit with the cam (3) and is used for outputting driving force to a moving contact structure of the switching device; a rotation allowance is arranged between the cam (3) and the transmission shaft (2), so that the transmission shaft (2) keeps static in the process that the cam (3) rotates to the dead point position; the method is characterized in that: after the cam (3) rotates to the dead point position, the cam continues to rotate by a first angle phi 1 and then contacts the transmission shaft (2) to drive the transmission shaft to rotate, and the first angle phi 1 is larger than 0 degree.
2. The operating mechanism of a switching device according to claim 1, characterized in that: the first angle phi 1 is 2-20 degrees.
3. The operating mechanism of a switching device according to claim 2, characterized in that: the first angle phi 1 is 2-10 degrees.
4. The operating mechanism of a switching device according to claim 1, characterized in that: the cam (3) is matched with the transmission shaft (2) through at least one group of first transmission structures; each group of first transmission structures comprises a first matching part and a second matching part, the first matching part comprises a first blocking block and a second blocking block which are arranged oppositely at intervals, and the second matching part is arranged between the first blocking block and the second blocking block and is respectively matched with the first blocking block and the second blocking block; and the first matching part and the second matching part of each group of the first transmission structure are arranged on the cam (3) and the transmission shaft (2).
5. The operating mechanism of a switching device according to claim 4, wherein: the first matching part is arranged on the cam (3), the first blocking part is a first cam surface (3-20), and the second blocking part is a second cam surface (3-21); the second matching part is arranged on the transmission shaft (2) and is a transmission shaft boss (2-20).
6. The operating mechanism of a switching device according to claim 5, characterized in that: the rotating axes of the cam (3) and the transmission shaft (2) are overlapped; the cam (3) comprises a cam driving end arranged at one axial end of the cam, two radial ends of the cam driving end are respectively provided with a first matching part, a cam boss (3-5) which is coaxial with the cam (3) is arranged between the two first matching parts, and the middle part of the cam boss (3-5) is provided with a first cam shaft hole (3-50); the transmission shaft (2) comprises a transmission shaft matching end (2-2) arranged at one axial end of the transmission shaft, the two radial ends of the transmission shaft matching end (2-2) are respectively provided with a second matching part, the middle part of the transmission shaft matching end (2-2) is provided with a transmission shaft matching hole (2-21) which is coaxial with the transmission shaft (2), and the middle part of the transmission shaft matching hole (2-21) is provided with a transmission shaft column (2-3) which is coaxial with the transmission shaft; the camshaft table (3-5) is rotatably inserted into the transmission shaft matching holes (2-21), the transmission shaft column (2-3) is rotatably inserted into the first camshaft hole (3-50), and the two first matching parts are respectively matched with the two second matching parts.
7. The operating mechanism of a switching device according to claim 1, wherein: a first free stroke is arranged between the operating shaft (4) and the cam (3); the operating shaft (4) drives the cam (3) to rotate to a dead point position, and the cam (3) moves through a first idle stroke relative to the operating shaft (4) after rotating to the dead point position.
8. The operating mechanism of a switching device according to claim 7, wherein: the operating shaft (4) is in driving fit with the cam (3) through a second transmission structure; the second transmission structure comprises a third matching part and a fourth matching part, the third matching part comprises a third blocking stop and a fourth blocking stop which are arranged oppositely at intervals, and the fourth matching part is arranged between the third blocking stop and the fourth blocking stop and is respectively matched with the third blocking stop and the fourth blocking stop; one of the third fitting portion and the fourth fitting portion is provided on the operation shaft (4), and the other is provided on the cam (3).
9. The operating mechanism of a switching device according to claim 8, wherein: the third matching part is arranged on the cam (3), the third blocking is a third cam surface (3-30), and the fourth blocking is a fourth cam surface (3-31); the fourth matching part is arranged on the operating shaft (4) and is an operating shaft driving part (4-2).
10. The operating mechanism of a switching device according to claim 9, wherein: the rotating axes of the operating shaft (4) and the cam (3) are arranged in parallel at intervals; the operating shaft (4) comprises an operating shaft main rod (4-0), and the operating shaft driving part (4-2) is arranged on the operating shaft main rod (4-0) and is offset towards the cam (3).
11. The operating mechanism of a switching device according to claim 7, wherein: and the two axial ends of the cam (3) are respectively in driving fit with the operating shaft (4) and the transmission shaft (2).
12. The operating mechanism of a switching device according to claim 1, characterized in that: the operating mechanism comprises two energy storage springs (5), and the two energy storage springs (5) are arranged in a central symmetry mode by using the rotating axis of the cam (3).
13. The operating mechanism of a switching device according to claim 8, wherein: operating device still includes the mechanism casing, and the mechanism casing includes relative complex casing base (1) and housing base (6), and transmission shaft (2) rotate to set up on casing base (1), and cam (3) rotate to set up between housing base (6) and transmission shaft (2), and operating axis (4) rotate to set up on housing base (6), and energy storage spring (5) one end is rotated and is set up on housing base (1), and the other end cooperates with cam (3).
14. A switching device, characterized in that it comprises an operating mechanism according to any one of claims 1-13.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122654852.0U CN216749634U (en) | 2021-11-01 | 2021-11-01 | Operating mechanism of switch device and switch device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122654852.0U CN216749634U (en) | 2021-11-01 | 2021-11-01 | Operating mechanism of switch device and switch device |
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| CN216749634U true CN216749634U (en) | 2022-06-14 |
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| CN202122654852.0U Active CN216749634U (en) | 2021-11-01 | 2021-11-01 | Operating mechanism of switch device and switch device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023071840A1 (en) * | 2021-11-01 | 2023-05-04 | 上海正泰智能科技有限公司 | Operating mechanism of switching device, and switching device |
| WO2024051714A1 (en) * | 2022-09-07 | 2024-03-14 | 上海正泰智能科技有限公司 | Remotely-controlled rotary isolator switch |
-
2021
- 2021-11-01 CN CN202122654852.0U patent/CN216749634U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023071840A1 (en) * | 2021-11-01 | 2023-05-04 | 上海正泰智能科技有限公司 | Operating mechanism of switching device, and switching device |
| WO2024051714A1 (en) * | 2022-09-07 | 2024-03-14 | 上海正泰智能科技有限公司 | Remotely-controlled rotary isolator switch |
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