CN215869103U - Operating mechanism - Google Patents
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- CN215869103U CN215869103U CN202120688237.9U CN202120688237U CN215869103U CN 215869103 U CN215869103 U CN 215869103U CN 202120688237 U CN202120688237 U CN 202120688237U CN 215869103 U CN215869103 U CN 215869103U
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Abstract
The utility model relates to the field of low-voltage electric appliances, in particular to an operating mechanism, wherein an operating shaft of the operating mechanism is in driving fit with a rotating cam, and the operating shaft rotates to drive the operating mechanism to switch between a brake opening position and a brake closing position; the rotating cam is arranged in a rotating mode, and a first free stroke is arranged between the rotating cam and the operating shaft, so that the rotating cam can rotate relative to the operating shaft; the energy storage spring is connected to the rotating cam, the energy storage spring is located at a first position or a second position when the operating mechanism is located at a switching-on position or a switching-off position, and the energy storage spring passes through a first dead point position when switching between the first position and the second position; the operating mechanism further comprises a monitoring mechanism, the monitoring mechanism comprises a transmission bracket, and when the operating mechanism is switched to a switching-on position or a switching-off position, the rotating cam drives the transmission bracket to move to a first monitoring position or a second monitoring position; according to the operating mechanism, the transmission bracket of the monitoring mechanism is directly matched with the rotating cam, so that the operating mechanism is simple in structure and reliable in transmission.
Description
Technical Field
The utility model relates to the field of low-voltage electric appliances, in particular to an operating mechanism, and particularly relates to an operating mechanism comprising a monitoring structure.
Background
In low voltage distribution systems, isolating switches are often used to switch on and off the circuit. In practical application, the real-time state (such as a closing state and an opening state) of the isolating switch needs to be monitored; in order to meet the requirements, most of the existing products adopt a mode that a gear drives a connecting rod and the connecting rod presses a microswitch so as to change an output signal of the microswitch, so that the real-time state of the isolating switch is detected; however, the parts of the scheme have complex structures and are difficult to process and assemble.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provides an operating mechanism, wherein a transmission bracket of a monitoring mechanism is directly matched with a rotating cam, and the operating mechanism is simple in structure and reliable in transmission.
In order to achieve the purpose, the utility model adopts the following technical scheme:
an operating mechanism comprises a base, an energy storage spring, an operating shaft and a rotating cam, wherein the energy storage spring, the operating shaft and the rotating cam are arranged on the base; the operating shaft rotates to drive the operating mechanism to switch between a brake opening position and a brake closing position; the rotating cam is arranged in a rotating mode, and a first free stroke is arranged between the rotating cam and the operating shaft, so that the rotating cam can rotate relative to the operating shaft; the energy storage spring is connected to the rotating cam, the energy storage spring is located at a first position or a second position when the operating mechanism is located at a switching-on position or a switching-off position, and the energy storage spring passes through a first dead point position when switching between the first position and the second position; the operating mechanism further comprises a monitoring mechanism for monitoring the opening and closing state of the operating mechanism, the monitoring mechanism comprises a transmission support, when the operating mechanism is switched to the opening position, the transmission support is driven by a rotating cam to move to the first monitoring position, and when the operating mechanism is switched to the opening position, the transmission support is reset to the second monitoring position.
Preferably, the rotating cam comprises a first driving side surface, and the transmission bracket comprises a transmission bracket stop lever; when the operating mechanism is switched to the switching-on position, the rotating cam rotates, so that the first driving side face drives the transmission support to move to the first monitoring position through the transmission support stop lever.
Preferably, the monitoring mechanism further comprises a return spring, and when the operating mechanism is switched to the brake separating position, the return spring drives the transmission bracket to return to the second monitoring position;
alternatively, the rotating cam drives the transmission bracket to reset to the second monitoring position.
Preferably, the monitoring mechanism further comprises a microswitch, and the microswitch is triggered when the transmission bracket moves to the first monitoring position and/or the second monitoring position.
Preferably, the microswitch comprises a mandril, and the transmission bracket comprises a bracket driving part matched with the mandril; the support driving part comprises a driving part inclined plane and a driving part plane which are sequentially arranged, and when the operating mechanism is switched from the brake-on position to the brake-off position, the driving inclined plane is in contact with the ejector rod before the driving part plane.
Preferably, the base includes the base spout, and the transmission support slides and sets up in the base spout.
Preferably, base spout one end is equipped with the spacing side of support, and transmission support includes that the support is spacing sufficient, and when transmission support was located the second monitoring position, monitoring mechanism's reset spring made the spacing sufficient and the spacing side spacing cooperation of support.
Preferably, the base comprises a first base beam and a second base beam which are arranged side by side at intervals, the base chute is divided into two sections, one section is arranged on the first base beam, and the other section is arranged on the second base beam; the rotating cam and the energy storage spring are located on one side of the first base cross beam and one side of the second base cross beam, and the transmission support is arranged on the other side of the first base cross beam and the other side of the second base cross beam.
Preferably, the operating mechanism further comprises a transmission shaft for outputting the switching-on and switching-off operating force, the transmission shaft is rotatably arranged, and a second free stroke is arranged between the transmission shaft and the rotating cam, so that the rotating cam can rotate relative to the transmission shaft; the operating shaft rotates and drives the rotating cam to rotate so that the energy storage spring reaches a first dead point position, meanwhile, the rotating cam rotates a second free stroke relative to the transmission shaft, and after the operating shaft continues to drive the rotating cam to rotate so that the energy storage spring moves past the first dead point position, the energy storage spring drives the rotating cam to rotate a first free stroke relative to the operating shaft.
The monitoring mechanism of the operating mechanism comprises the transmission bracket, the transmission bracket is directly matched with the rotating cam, so that the operating mechanism has the advantages of simple structure, convenience in assembly and implementation, short transmission path and reliable action, and can accurately monitor the opening and closing state of the operating mechanism.
Drawings
FIG. 1 is a schematic structural view of the operating mechanism of the present invention showing the assembled positions of the drive bracket, the microswitch and the return spring;
FIG. 2 is a schematic structural view of the operating mechanism of the present invention showing the assembled position of the transmission bracket and the return spring, with the transmission bracket in a second monitoring position;
FIG. 3 is a schematic view of the engagement of the drive bracket and the microswitch of the present invention, the drive bracket being in a second monitoring position with the drive section bevel of the drive bracket facing the drive rod of the microswitch;
FIG. 4 is a schematic structural view of the operating mechanism of the present invention showing the assembled positions of the transmission bracket and the return spring, the transmission bracket being shifted from the second monitoring position to the first monitoring position;
FIG. 5 is a schematic view of the engagement of the drive bracket and the microswitch of the present invention, with the drive bracket being switched from the second monitoring position to the first monitoring position, with the drive portion ramp of the drive bracket first contacting the drive lever of the microswitch;
FIG. 6 is a schematic structural view of the operating mechanism of the present invention showing the assembled position of the transmission bracket and the return spring, with the transmission bracket in a first monitoring position;
FIG. 7 is a schematic view of the engagement of the drive bracket and the microswitch of the present invention, the drive bracket being in the first monitoring position with the drive section plane of the drive bracket engaging the drive rod of the microswitch;
FIG. 8 is a schematic view of the base of the present invention;
FIG. 9 is a schematic view of the construction of the rotating cam of the present invention;
FIG. 10 is a schematic structural view of the drive bracket of the present invention;
FIG. 11 is a schematic structural view of the housing of the present invention showing a microswitch mounting arrangement on one side thereof;
fig. 12 is a schematic structural view of the housing of the present invention, showing the housing slide groove on the other side thereof.
Detailed Description
The following description of the embodiments of the operating mechanism of the present invention will be made with reference to the embodiments shown in fig. 1 to 12. The operating mechanism of the present invention is not limited to the description of the following embodiments.
As shown in fig. 1-7, the operating mechanism of the present invention comprises a base 1, and an energy storage spring 5, an operating shaft 4 and a rotating cam 3 which are arranged on the base 1, wherein the operating shaft 4 is in driving fit with the rotating cam 3; the operating shaft 4 rotates to drive the operating shaft to switch between an opening position and a closing position; the rotating cam 3 is arranged in a rotating mode, and a first free stroke is arranged between the rotating cam 3 and the operating shaft 4, so that the rotating cam 3 can rotate relative to the operating shaft 4; the energy storage spring 5 is connected to the rotating cam 3, the energy storage spring 5 is located at a first position or a second position when the operating shaft mechanism 1 is located at a switching-on position or a switching-off position, and the energy storage spring 5 passes through a first dead point position when switching between the first position and the second position; the operating mechanism further comprises a monitoring mechanism for monitoring the opening and closing state of the operating mechanism, the monitoring mechanism comprises a transmission support 6, when the operating mechanism is switched to the opening position, the rotating cam 3 drives the transmission support 6 to move to the first monitoring position, and when the operating mechanism is switched to the opening position, the transmission support 6 resets to the second monitoring position.
The monitoring mechanism of the operating mechanism comprises the transmission bracket, the transmission bracket is directly matched with the rotating cam, so that the operating mechanism has the advantages of simple structure, convenience in assembly and implementation, short transmission path and reliable action, and can accurately monitor the opening and closing state of the operating mechanism.
Preferably, as shown in fig. 1, 2, 4 and 6, the monitoring mechanism further includes a return spring 7, and when the operating mechanism is switched to the brake-off position, the return spring 7 drives the transmission bracket 6 to return to the second monitoring position. The transmission bracket 6 is reset under the driving of the reset spring 7, and the structure is simple and the work is reliable; however, the method of returning the transmission bracket 6 to the second monitoring position when the operating mechanism is switched to the open position is not limited to the above-described one, and the transmission bracket 6 may be returned by driving the rotating cam 3 when the operating mechanism is switched to the open position.
Preferably, as shown in fig. 1, 3, 5 and 7, the monitoring mechanism further comprises a microswitch 9, and the microswitch 9 is triggered when the transmission bracket 6 moves to the first monitoring position and/or the second monitoring position. The transmission bracket 6 is matched with the microswitch 9 to change the output signal of the microswitch 9, thereby realizing the monitoring of the opening and closing state of the operating mechanism.
The operating mechanism of the present invention will be further described with reference to the drawings and the specific embodiments.
As shown in fig. 1-7, the operating mechanism of the present invention is preferably an operating mechanism of a disconnecting switch, which comprises a base 1, and an energy storage spring 5, an operating shaft 4 and a rotating cam 3 which are arranged on the base 1, wherein the operating shaft 4 is in driving fit with the rotating cam 3; the operating shaft 4 rotates to drive the operating mechanism to switch between an opening position and a closing position; the rotating cam 3 is arranged in a rotating mode, and a first free stroke is arranged between the rotating cam 3 and the operating shaft 4, so that the rotating cam 3 can rotate relative to the operating shaft 4; the energy storage spring 5 is connected to the rotating cam 3, the energy storage spring 5 is located at a first position or a second position when the operating mechanism is located at a switching-on position or a switching-off position, and the energy storage spring 5 passes through a first dead point position when switching between the first position and the second position. Further, as shown in fig. 1, 2, 4 and 6, the operating mechanism of the present invention further includes a transmission shaft 2 for outputting the switching-on/off operating force, and the transmission shaft 2 is rotatably disposed and a second free stroke is provided between the transmission shaft 2 and the rotating cam 3, so that the rotating cam 3 can rotate relative to the transmission shaft 2.
It should be noted that the transmission shaft 2 can output the switching-on and switching-off operation force outwards in a manner of being in driving connection with a moving contact mechanism of the contact system.
As shown in fig. 1, 2, 4 and 6, the operating shaft 4 rotates (for example, the operating shaft 4 is rotated by manual operation of an operator or by driving of an electric mechanism) and drives the rotating cam 3 to rotate so that the energy storage spring 5 reaches a first dead point position, so that the energy storage spring 5 stores energy, and simultaneously the rotating cam 3 rotates relative to the transmission shaft 2 by a second free stroke (during which the transmission shaft 2 does not rotate), and after the operating shaft 4 continues to drive the rotating cam 3 to rotate so that the energy storage spring 5 moves away from the first dead point position, the energy storage spring 5 releases energy to drive the rotating cam 3 to rapidly rotate relative to the operating shaft 4 by the first free stroke (during which the operating shaft 4 does not rotate). Further, after the rotating cam 3 rotates a second free stroke relative to the transmission shaft 2, the rotating cam 3 continues to rotate under the driving of the energy storage spring 5 and drives the transmission shaft 2 to rotate, so that the transmission shaft 2 outputs switching-on and switching-off operation force outwards. Further, the energy storage spring 5 may be a linear pressure spring or a torsion spring, when the energy storage spring is located at the first dead point position, two ends of the energy storage spring and the rotation center of the rotating cam 3 are located on the same line, and the connection relationship and the arrangement manner of the energy storage spring 5 and the rotating cam 3 may be implemented by the prior art, and will not be described herein.
As shown in fig. 1, 2, 4 and 6, the rotation axes of the operating shaft 4 and the rotating cam 3 are arranged in parallel and at intervals, and are not overlapped; the operating shaft 4 comprises an operating shaft driving part arranged on one radial side, the extending direction of the operating shaft driving part is vertical to the rotating axis of the operating shaft 4, the operating shaft 4 rotates to drive the operating shaft driving part to swing, and the operating shaft driving part extends between the first cam side surface 31 and the second cam side surface 32 of the rotating cam 3 and is respectively matched with the first cam side surface and the second cam side surface to drive the operating mechanism to switch between the opening position and the closing position; the operating shaft 4 and the rotating cam 3 are matched in the above mode, and the operating force acting on the operating shaft 4 can be obviously reduced through the lever principle, so that the operating mechanism is more convenient to operate and saves more labor in operation. Of course, the rotation axes of the operating shaft 4 and the rotating cam 3 may be coincident, which is achieved by using the prior art and will not be described herein.
Specifically, as shown in fig. 2, in the present embodiment, the operating mechanism is located at the brake separating position and the energy storing spring 5 is located at the second position, the operating shaft 4 rotates clockwise to drive the rotating cam 3 to rotate counterclockwise, the rotating cam 3 drives the energy storing spring 5 to rotate clockwise to the first dead point position (at this time, both ends of the energy storing spring 5 and the rotation center of the rotating cam 3 are located on a straight line), so that the energy storing spring 5 stores energy, during the above process, the rotating cam 3 rotates over a second free stroke relative to the transmission shaft 2 (the transmission shaft 2 does not rotate in this process), the operating shaft 4 continues to rotate clockwise to drive the rotating cam 3 to continue to rotate counterclockwise, after the rotating cam 3 drives the energy storing spring 5 to pass (i.e., rotate over or swing over) the first dead point position, the energy storing spring 5 releases energy and drives the rotating cam 3 to rotate over a first free stroke relative to the operating shaft 4, when the rotating cam 3 rotates through a first free stroke, the rotating cam 3 drives the transmission shaft 2 to rotate rapidly so as to realize rapid switching-on, and the operating shaft 4 does not rotate in the process; as shown in fig. 6, the operating mechanism is switched to the closed state and the charging spring 5 reaches the first position. The process of switching the operating mechanism from the closing state to the opening state is opposite to the above process, as shown in fig. 6, the operating mechanism is located at the closing position and the energy storage spring 5 is located at the first position, the operating shaft 4 rotates in the counterclockwise direction to drive the rotating cam 3 to rotate in the clockwise direction, the rotating cam 3 drives the energy storage spring 5 to rotate counterclockwise to the first dead point position, so that the energy storage spring 5 stores energy, during the above process, the rotating cam 3 rotates relative to the transmission shaft 2 by the second free stroke, in this process, the transmission shaft 2 does not rotate, the operating shaft 4 continues to rotate counterclockwise to drive the rotating cam 3 to continue to rotate clockwise, after the rotating cam 3 drives the energy storage spring 5 to pass (i.e., rotate or swing) the first dead point position, the energy storage spring 5 releases energy and drives the rotating cam 3 to rotate rapidly relative to the operating shaft 4 by the first free stroke, when the rotating cam 3 rotates through a first free stroke, the rotating cam 3 drives the transmission shaft 2 to rotate quickly so as to realize quick brake opening, and the operating shaft 4 does not rotate in the process; as shown in fig. 2, the operating mechanism is switched to the open state and the charging spring 5 reaches the second position. The first free stroke avoids the influence of the speed of an operator on the closing speed of the operating mechanism, and the second free stroke avoids the influence of a rotating cam on a contact system of the switch before an energy storage spring reaches the maximum energy storage value, so that the disconnection speed of the contact mechanism is ensured, and the disconnection performance of the switch is improved.
The operating mechanism of the utility model also comprises a monitoring mechanism, wherein the monitoring mechanism comprises a transmission bracket 6, a return spring 7 and a microswitch 9; when the operating mechanism is switched to a switching-on position, the rotating cam 3 drives the transmission bracket 6 to move to a first monitoring position, and when the operating mechanism is switched to a switching-off position, the return spring 7 drives the transmission bracket 6 to return to a second monitoring position; when the transmission bracket 6 moves to the first monitoring position and/or the second monitoring position, the microswitch 9 is triggered.
Preferably, as shown in fig. 1 to 7, the microswitch 9 comprises a push rod 93, the transmission bracket 6 comprises bracket driving parts 65 to 66, and the bracket driving parts 65 to 66 are matched with the push rod 93.
One matching mode of the transmission bracket 6 and the microswitch 9 is as follows: as shown in fig. 1 and 3, when the operating mechanism is in the open position, the carriage driving parts 65 to 66 release the carrier rods 93; as shown in fig. 6 and 7, when the operating mechanism is in the on position, the bracket driving parts 65-66 press the push rod 93; the carriage drive sections 65-66 and the plunger 93 cooperate to change the output signal of the microswitch 9 (for example, the microswitch 9 may output a close signal or an open signal) to monitor and indicate the current state of the operating mechanism (closed state or open state). Further, as shown in fig. 1, the operating mechanism includes two micro switches 9 arranged side by side at intervals, and the transmission bracket 6 includes bracket driving portions 65 to 66 respectively engaged with the two micro switches 9.
The other matching mode of the transmission bracket 6 and the microswitch 9 is as follows: the transmission bracket 6 moves to a first monitoring position to trigger the micro switch 9 to output a first electric signal, and the transmission bracket 6 moves to a second monitoring position to trigger the micro switch 9 to output a second electric signal.
Preferably, as shown in fig. 1, 9 and 10, the rotating cam 3 further comprises a first driving side 37, and the transmission bracket 6 comprises a transmission bracket stop lever 62; when the operating mechanism is switched to the switching-on position, the rotating cam 3 rotates to enable the first driving side surface 37 to drive the transmission bracket 6 to move to the first monitoring position through the transmission bracket stop lever 62. Preferably, as shown in fig. 1, the transmission bracket bar 62 extends in a direction perpendicular to the plane of rotation of the rotary cam 3.
Specifically, as shown in fig. 2 to 7, when the operating mechanism is switched from the brake opening position to the brake closing position, the rotating cam 3 rotates counterclockwise to drive the first driving side surface 37 to swing towards the transmission bracket stop lever 62, and after the first driving side surface 37 contacts the transmission bracket stop lever 62, the first driving side surface abuts against the second driving side surface, so that the transmission bracket 6 moves downward and is switched from the second monitoring position to the first monitoring position; when the operating mechanism is switched from the switching-on position to the switching-off position, the rotating cam 3 drives the first driving side surface 37 to swing towards the direction away from the transmission bracket 62 clockwise, the transmission bracket 6 loses the pressure resistance of the rotating cam 3, and then the transmission bracket 6 moves upwards and is reset from the first monitoring position to the second monitoring position.
Preferably, as shown in fig. 9, one end of the rotating cam 3 is provided with a cam driven groove, a pair of oppositely-arranged side surfaces of the cam driven groove are a first cam side surface 31 and a second cam side surface 32, respectively, and the first driving side surface 37 and the first cam side surface 31 are located on two sides of one side wall of the cam driven groove. Further, as shown in fig. 9, the cam driven groove is a V-shaped groove, the bottom end of which is disposed near the rotation center of the rotating cam 3, and the open end of which faces the outer edge of the rotating cam 3.
Preferably, as shown in fig. 1, 2, 4 and 6, the monitoring mechanism further includes a return spring 7, and when the operating mechanism is switched to the brake-off position, the return spring 7 drives the transmission bracket 6 to return to the second monitoring position. Further, the return spring 7 is a compression spring; as shown in fig. 6, when the operating mechanism is switched to the switching-on position, the rotating cam 3 drives the transmission bracket 6 to move to the first monitoring position, and the return spring 7 is compressed to store energy; when the operating mechanism is switched to the brake-off position, the rotating cam 3 releases the transmission bracket 6, and the return spring 7 relaxes to release energy and drive the transmission bracket 6 to return to the second monitoring position, as shown in fig. 2. Certainly, the reset spring 7 can also be a tension spring or a torsion spring, when the operating mechanism is switched to the switching-on position, the rotating cam 3 drives the transmission bracket 6 to move to the first monitoring position, meanwhile, the bracket reset spring 7 stores energy, and when the operating mechanism is switched to the switching-off position, the bracket reset spring 7 releases the energy and drives the transmission bracket 6 to reset to the second monitoring position.
Preferably, the transmission bracket 6 can also be reset from the first monitoring position to the second monitoring position under the drive of the rotating cam 3. Further, the rotating cam 3 further comprises a second driving side surface, the second driving side surface and the second cam side surface 32 are located on two sides of the other side wall of the cam driven groove, and the second driving side surface drives the transmission bracket 6 to reset from the first monitoring position to the second monitoring position.
Preferably, as shown in fig. 1, 2, 4 and 6, the transmission bracket 6 is slidably arranged on the base 1. Further, as shown in fig. 6, the base 1 includes a base sliding groove 15, and the transmission bracket 6 is slidably disposed in the base sliding groove 15. Further, as shown in fig. 12, the operating mechanism further includes a housing 8 relatively matched with the base 1, the housing 8 is provided with a housing sliding groove 80, the housing sliding groove 80 and the base sliding groove 15 are relatively matched, the transmission support 6 is limited in the housing sliding groove 80 and the base sliding groove 15, and reliable and stable operation of the transmission support 6 is ensured.
Preferably, as shown in fig. 8, a bracket limiting side surface 17 is arranged at one end of the base sliding groove 15; as shown in fig. 10, the transmission bracket 6 includes a bracket limit foot 64; as shown in fig. 1 and 2, when the transmission bracket 6 is located at the second monitoring position, the reset spring 7 enables the bracket limit foot 64 to be in limit fit with the bracket limit side surface 17.
Preferably, as shown in fig. 1, 2, 4, 6, and 8, the base 1 further includes a first base beam 10 and a second base beam 19 arranged side by side at an interval, the base chute 15 is divided into two sections, one end of the base chute is arranged on the first base beam 10, and the other section is arranged on the second base beam 19; the rotating cam 3 and the energy storage spring 5 are positioned on one side of the first base cross beam 10 and one side of the second base cross beam 19, and the transmission bracket 6 is arranged on the other side of the first base cross beam 10 and the second base cross beam 19. Further, as shown in fig. 1, 2, 4, 6, and 8, the operating mechanism includes two energy storage springs 5 symmetrically disposed on two sides of the rotating cam 3, the energy storage springs 5 are linear compression springs, the first base beam 10 spans over one energy storage spring 5 and intersects with an axis of the energy storage spring 5, and the second base beam 19 spans over another energy storage spring 5 and intersects with an axis of the energy storage spring 5.
Preferably, as shown in fig. 8, the bracket limiting side 17 is disposed at one end of the base sliding groove 15 far away from the first base cross beam 10, and two ends of the return spring 7 are respectively in limiting fit with the transmission bracket stop lever 62 of the transmission bracket 6 and the second base cross beam 19.
Specifically, as shown in fig. 1, 2, 4, 6 and 8, the transmission bracket 6 is arranged at the front side of the first base beam 10 and the second base beam 19, and the rotating cam 3 and the energy storage spring 5 are arranged at the rear side of the first base beam 10 and the second base beam 19; the base sliding groove 15 is divided into an upper section and a lower section, the upper section is arranged on the first base cross beam 10, the lower section is arranged on the second base cross beam 19, and the support limiting side surface 17 is arranged at the lower end of the lower section of the base sliding groove 15.
Preferably, as shown in fig. 8, a beam spring limiting column 16 is arranged on the second base beam 19; as shown in fig. 10, a support spring limiting column 63 is arranged on the transmission support stop lever 62; one end of the reset spring 7 is sleeved on the cross beam spring limiting column 16, and the other end is sleeved on the support spring limiting column 63.
Preferably, as shown in fig. 10, the bracket driving portion 65-66 includes a driving portion inclined surface 65 and a driving portion flat surface 66, which are sequentially arranged, and when the operating mechanism is switched from the open position to the closed position, the driving portion inclined surface 65 contacts the push rod 93 before the driving portion flat surface 66. Further, as shown in fig. 3, 5 and 7, during the switching of the operating mechanism from the open position to the closed position, the driving portion inclined surface 65 and the driving portion flat surface 66 are sequentially in sliding contact with the push rod 93. Specifically, as shown in fig. 2 and 3, when the operating mechanism is located at the opening position, the driving portion inclined plane 65 of the bracket driving portion 65-66 is opposite to the ejector rod 93 of the micro switch 9, and the micro switch 9 is not triggered and no signal is output; as shown in fig. 4 and 5, in the process of switching the operating mechanism from the opening position to the closing position, the driving portion inclined surface 65 first contacts with the push rod 93 to start to press the push rod 93; as shown in fig. 6 and 7, when the operating mechanism is switched to the on position, the driving portion plane 66 is opposite to the push rod 93 and presses against the push rod 93, and the micro switch 9 is triggered and outputs an electric signal.
Preferably, as shown in fig. 11, the housing 8 further includes a micro switch assembly structure, a micro switch assembly groove 82 for assembling and accommodating the micro switch 9 is formed in the middle of the micro switch assembly structure, and a push rod avoiding hole 83 for avoiding a push rod 93 of the micro switch 9 is formed in the bottom wall of the micro switch assembly groove 82. Further, as shown in fig. 11 and 12, the microswitch mounting structure and the housing slide groove 80 are respectively located on both sides of the bottom wall of the housing 8. Further, as shown in fig. 1 and 11, the housing 8 is provided with two micro switch assembling structures for assembling the two micro switches 9.
As shown in fig. 10, an embodiment of the transmission bracket 6 is: the transmission bracket 6 of the embodiment comprises a bracket main body 61, a transmission bracket stop lever 62, a bracket spring limiting column 63, a bracket limiting foot 64 and bracket driving parts 65-66, wherein the bracket main body 61 is arranged in the base sliding groove 15 in a sliding manner, the two bracket driving parts 65-66 are arranged on one side of the bracket main body 61 side by side at intervals, the bracket limiting foot 64 and the transmission bracket stop lever 62 are arranged on the other side of the bracket main body 61 side by side at intervals, and the bracket spring limiting column 63 is arranged on the transmission bracket stop lever 62 and protrudes towards the bracket limiting column 64. Further, as shown in fig. 10, the holder driving part 65-66 includes a driving part inclined surface 65 and a driving part plane 66, which are sequentially arranged, the driving part plane 66 is arranged in parallel with the holder main body 61 at an interval, and the driving part inclined surface 65 extends from the holder main body 61 to the driving part plane 66.
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 (9)
1. An operating mechanism comprises a base (1), an energy storage spring (5), an operating shaft (4) and a rotating cam (3), wherein the energy storage spring, the operating shaft (4) and the rotating cam (3) are arranged on the base (1), and the operating shaft (4) is in driving fit with the rotating cam (3); the operating shaft (4) rotates to drive the operating mechanism to switch between an opening position and a closing position; the rotating cam (3) is arranged in a rotating mode, and a first free stroke is arranged between the rotating cam (3) and the operating shaft (4), so that the rotating cam (3) can rotate relative to the operating shaft (4); the energy storage spring (5) is connected to the rotating cam (3), the energy storage spring (5) is located at a first position or a second position when the operating mechanism is located at a switching-on position or a switching-off position, and the energy storage spring (5) passes through a first dead point position when being switched between the first position and the second position; the method is characterized in that: the operating mechanism further comprises a monitoring mechanism for monitoring the opening and closing state of the operating mechanism, the monitoring mechanism comprises a transmission support (6), when the operating mechanism is switched to the opening position, the rotating cam (3) drives the transmission support (6) to move to the first monitoring position, and when the operating mechanism is switched to the opening position, the transmission support (6) resets to the second monitoring position.
2. The operating mechanism of claim 1, wherein: the rotating cam (3) comprises a first driving side surface (37), and the transmission bracket (6) comprises a transmission bracket stop lever (62); when the operating mechanism is switched to a switching-on position, the rotating cam (3) rotates, so that the first driving side face (37) drives the transmission bracket (6) to move to the first monitoring position through the transmission bracket stop lever (62).
3. The operating mechanism of claim 1, wherein: the monitoring mechanism further comprises a return spring (7), and when the operating mechanism is switched to the brake separating position, the return spring (7) drives the transmission bracket (6) to return to the second monitoring position;
or the rotating cam (3) drives the transmission bracket (6) to reset to the second monitoring position.
4. The operating mechanism of claim 1, wherein: the monitoring mechanism further comprises a microswitch (9), and the microswitch (9) is triggered when the transmission bracket (6) moves to the first monitoring position and/or the second monitoring position.
5. The operating mechanism of claim 4, wherein: the microswitch (9) comprises a push rod (93), and the transmission bracket (6) comprises a bracket driving part (65-66) matched with the push rod (93); the support driving part (65-66) comprises a driving part inclined plane (65) and a driving part plane (66) which are sequentially arranged, and when the operating mechanism is switched from the opening position to the closing position, the driving inclined plane (65) is in contact with the ejector rod (93) before the driving part plane (66).
6. The operating mechanism of claim 1, wherein: the base (1) comprises a base sliding groove (15), and the transmission support (6) is arranged in the base sliding groove (15) in a sliding mode.
7. The operating mechanism of claim 6, wherein: base spout (15) one end is equipped with the spacing side of support (17), and transmission support (6) are including the spacing sufficient (64) of support, and when transmission support (6) were located the second monitoring position, monitoring mechanism's reset spring (7) made the spacing sufficient (64) of support and the spacing cooperation of the spacing side of support (17).
8. The operating mechanism of claim 6, wherein: the base (1) comprises a first base cross beam (10) and a second base cross beam (19) which are arranged side by side at intervals, the base sliding groove (15) is divided into two sections, one section is arranged on the first base cross beam (10), and the other section is arranged on the second base cross beam (19); the rotating cam (3) and the energy storage spring (5) are located on one side of the first base cross beam (10) and one side of the second base cross beam (19), and the transmission support (6) is arranged on the other side of the first base cross beam (10) and the other side of the second base cross beam (19).
9. The operating mechanism according to any one of claims 1 to 8, wherein: the operating mechanism further comprises a transmission shaft (2) used for outputting switching-on and switching-off operating force, the transmission shaft (2) is rotatably arranged, and a second free stroke is arranged between the transmission shaft and the rotating cam (3), so that the rotating cam (3) can rotate relative to the transmission shaft (2); the operating shaft (4) rotates and drives the rotating cam (3) to rotate, so that the energy storage spring (5) reaches a first dead point position, the rotating cam (3) rotates a second free stroke relative to the transmission shaft (2), the operating shaft (4) continues to drive the rotating cam (3) to rotate, so that the energy storage spring (5) moves away from the first dead point position, and then the energy storage spring (5) drives the rotating cam (3) to rotate a first free stroke relative to the operating shaft (4).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120688237.9U CN215869103U (en) | 2021-04-01 | 2021-04-01 | Operating mechanism |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120688237.9U CN215869103U (en) | 2021-04-01 | 2021-04-01 | Operating mechanism |
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Cited By (1)
| 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 |
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Cited By (1)
| 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 |
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