CN113972109A - Clutch transmission assembly and circuit breaker - Google Patents
Clutch transmission assembly and circuit breaker Download PDFInfo
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- CN113972109A CN113972109A CN202010728592.4A CN202010728592A CN113972109A CN 113972109 A CN113972109 A CN 113972109A CN 202010728592 A CN202010728592 A CN 202010728592A CN 113972109 A CN113972109 A CN 113972109A
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 67
- 230000009471 action Effects 0.000 claims description 22
- 230000000903 blocking effect Effects 0.000 abstract description 20
- 230000005611 electricity Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000033001 locomotion Effects 0.000 description 5
- 238000005192 partition Methods 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008093 supporting effect Effects 0.000 description 2
- 240000007643 Phytolacca americana Species 0.000 description 1
- 235000009074 Phytolacca americana Nutrition 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000001976 improved effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
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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
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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
- H01H71/1009—Interconnected mechanisms
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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
- H01H2071/109—Operating or release mechanisms with provisions for selecting between automatic or manual reset
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Abstract
The invention discloses a clutch transmission assembly and a circuit breaker, and relates to the technical field of electricity. The special-shaped gear comprises a gear body and two arc grooves concentrically arranged on the gear body, a blocking wall is formed between two ends of each arc groove, a through hole is formed in the rotary seat and is located on the same arc surface as the arc grooves, a limiting pin is arranged in the through hole, an elastic piece which is abutted to the through hole is sleeved on the limiting pin, one end of the limiting pin is abutted to a blocking platform, the blocking platform comprises a first abutting surface and a second abutting surface, the first abutting surface and the second abutting surface are connected through guide surfaces, so that the limiting pin can be matched with or disengaged from the arc grooves, and the special-shaped gear further comprises a first bulge and a second bulge which are respectively arranged on the outer sides of the two arc grooves and used for shifting a tripping rod to enable a manipulator to be switched off. The manual switching-on and switching-off and the electric switching-on and switching-off of the circuit breaker can be respectively controlled.
Description
Technical Field
The invention relates to the technical field of electricity, in particular to a clutch transmission assembly and a circuit breaker.
Background
The circuit breaker is a switching device capable of closing, carrying, and opening/closing a current under a normal circuit condition and a current under an abnormal circuit condition within a prescribed time. The circuit breaker on the current market mainly comprises two forms, one is to drive a switching-on/switching-off handle on the circuit breaker by hands to realize switching-on or switching-off; the other type is that an electric operating mechanism is arranged in the circuit breaker, and the switching-on or switching-off of the circuit breaker is remotely controlled through the electric operating mechanism.
In order to improve the reliability of the circuit breaker in use, a manual switching mechanism is generally provided on the circuit breaker having a remote control function, so that the circuit breaker can be controlled by remote control or manual control. When the circuit breaker is electrically operated to close or open a brake, the circuit breaker can be electrically operated remotely by manually communicating an electrically operated clutch. When the on-off brake is manually operated, the electrically operated clutch needs to be manually separated to manually operate the on-off brake, which brings inconvenience to the operation.
Disclosure of Invention
The invention aims to provide a clutch transmission assembly and a circuit breaker, which can realize that the manual brake on and off and the electric brake on and off of the circuit breaker are respectively controlled without mutual interference and provide convenience for actual operation.
The embodiment of the invention is realized by the following steps:
in one aspect of the embodiment of the invention, a clutch transmission assembly is provided, which comprises a special-shaped gear and a rotary seat coaxially and rotatably connected with the special-shaped gear, wherein the special-shaped gear comprises a gear body and two arc grooves concentrically arranged on the gear body, a partition wall is formed between two ends of the two arc grooves, a through hole is formed in the rotary seat, the through hole and the arc grooves are positioned on the same arc surface, a limiting pin is arranged in the through hole, an elastic part abutted against the through hole is sleeved on the limiting pin, one end of the limiting pin is abutted against a blocking table, the blocking table comprises a first abutting surface and a second abutting surface, the first abutting surface and the second abutting surface are connected through a guide surface, and the distance between the first abutting surface and the rotary seat is smaller than the distance between the second abutting surface and the rotary seat, so that the limit pin can be matched with the arc-shaped groove or be disengaged from the arc-shaped groove, and the special-shaped gear further comprises a first bulge and a second bulge which are respectively arranged at the outer sides of the two arc-shaped grooves and used for shifting the trip rod to enable the manipulator to be switched off.
Optionally, a first connecting hole and a second connecting hole are further formed in the rotary base, the first connecting hole and the second connecting hole are located on two sides of the through hole respectively, the first connecting hole is used for being connected with the handle, and the second connecting hole is used for being connected with the manipulator.
Optionally, the guide surface includes any one of a guide slope surface and a guide arc surface.
In another aspect of the embodiments of the present invention, there is provided a circuit breaker, including the clutch transmission assembly as described in any one of the above, and an electric assembly, a manual assembly and a manipulator respectively connected to the clutch transmission assembly, wherein the electric assembly is in transmission connection with the special-shaped gear, and the manual assembly is in transmission connection with the rotary base.
Optionally, the electric assembly comprises a motor, an action switch, a shifting lever and a transmission assembly connected with the motor, the transmission assembly is in transmission connection with the special-shaped gear, the motor is connected with the action switch, the action switch is arranged corresponding to the shifting lever, and the shifting lever is matched with the special-shaped gear to control the on-off of the action switch.
Optionally, the transmission assembly includes a first transmission gear set and a second transmission gear set, the first transmission gear set includes a first gear and a second gear which are coaxially arranged side by side, the second transmission gear set includes a third gear and a fourth gear which are coaxially arranged side by side, wherein the first gear is connected with the motor in a transmission manner, the second gear is engaged with the third gear, and the fourth gear is engaged with the special-shaped gear.
Optionally, the circuit breaker further comprises a housing, wherein one end of the shifting lever is hinged to the housing, or one end of the shifting lever is hinged to a rotating shaft for positioning the first transmission gear set; the other end of the shifting lever is provided with a first abutting part and a second abutting part, the first abutting part is used for being matched with the first protrusion or the second protrusion of the special-shaped gear, and the second abutting part is used for being matched with the action switch.
Optionally, the manipulator includes a trip lever, a torsion element, a contact support, and a latch and a moving contact connected to the contact support, where the trip lever includes a first hinge portion hinged to the housing, a first abutting portion engaged with the first protrusion or the second protrusion, and a second abutting portion engaged with the latch; the torsion piece comprises a second hinge part hinged with the contact support, a limiting part matched with the lock catch, and a positioning hole used for being connected with the rotary seat.
Optionally, the manual assembly includes an operating handle and a first connecting rod, one end of the first connecting rod is connected to the operating handle, the other end of the first connecting rod is connected to the first connecting hole of the rotary seat, and the second connecting hole of the rotary seat is connected to the positioning hole of the torsion member through a second connecting rod.
Optionally, the circuit breaker further includes a trip assembly, the trip assembly includes a coil connected in series with the circuit breaker main circuit and an armature cooperating with the coil, the armature is configured to cooperate with the latch to open the manipulator.
The embodiment of the invention has the beneficial effects that:
according to the clutch transmission assembly and the circuit breaker provided by the embodiment of the invention, the special-shaped gear and the rotary seat coaxially and rotatably connected with the special-shaped gear are used, the special-shaped gear comprises a gear body and two arc-shaped grooves concentrically arranged on the gear body, the partition wall is formed between two ends of the two arc-shaped grooves, the rotary seat is provided with a through hole, the through hole and the arc-shaped grooves are positioned on the same arc surface, the through hole is internally provided with a limiting pin, the limiting pin is sleeved with an elastic piece abutted against the through hole, when the elastic piece is compressed, the limiting pin can extend into the arc-shaped grooves, when the special-shaped gear rotates, the limiting pin and the arc-shaped grooves perform relative movement in position, and until the limiting pin is contacted with the partition wall, the special-shaped gear drives the rotary seat to synchronously rotate. When the elastic piece recovers the elastic deformation, the limiting pin and the arc-shaped groove do not interfere with each other, and at the moment, the rotating seat and the special-shaped gear can rotate independently. The special-shaped gear drives the rotary seat to move synchronously to close the manipulator through the rotary seat, when closing of the special-shaped gear is completed, the special-shaped gear continuously rotates in the same direction, the limiting pin can abut against the second abutting surface to enable the special-shaped gear to be disengaged from the rotary seat, and when the electric control circuit breaker is needed to open the brake, the special-shaped gear rotates in the same direction to enable the first bulge or the second bulge to be matched with the tripping rod to complete brake opening. When the circuit breaker is in the separating brake state, when needing manual combined floodgate, directly rotate the swivel mount through the handle and can realize required combined floodgate operation, equally, when the circuit breaker is in the combined floodgate state, when needing manual separated floodgate, directly rotate the swivel mount through the handle opposite direction and can realize required separating brake operation, during manual operation, only can realize required operation through the swivel mount, can realize that the manual separating brake of circuit breaker closes and the electronic separating brake of closing controls respectively, mutual noninterference, provide convenience for actual operation.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic structural diagram of a clutch transmission assembly according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a shaped gear according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a turret according to an embodiment of the invention;
FIG. 4 is a schematic structural diagram of a blocking table according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a circuit breaker according to an embodiment of the present invention;
fig. 6 is a second schematic structural diagram of a circuit breaker according to an embodiment of the present invention;
FIG. 7 is an exploded view of FIG. 5;
FIG. 8 is a schematic structural diagram of a shift lever according to an embodiment of the present invention;
FIG. 9 is a schematic view of a structure of a turret and a manipulator according to an embodiment of the present invention;
FIG. 10 is an exploded view of FIG. 9;
FIG. 11 is a schematic structural view of a trip bar provided in accordance with an embodiment of the present invention;
FIG. 12 is a schematic view of a release lever and a latch according to an embodiment of the present invention;
FIG. 13 is a schematic view of a relative position between a turret and a stop according to an embodiment of the present invention;
fig. 14 is a second schematic structural view of the relative position between the turret and the blocking stage according to the embodiment of the invention.
Icon: 100-a clutch transmission assembly; 110-a special-shaped gear; 112-arc-shaped groove; 114-a barrier wall; 116-a first projection; 118-a second projection; 120-transposition; 122-a via hole; 124-first connection hole; 126-second connection hole; 130-a limit pin; 140-an elastic member; 150-a baffle table; 152-a first holding surface; 154-second abutment surface; 156-a guide surface; 200-a circuit breaker; 210-an electrically powered component; 211-a motor; 212-action switch; 213-a deflector rod; 2132-a first abutment; 2134-a second abutment; 214-first drive gear set; 2142-first gear; 2144-rotating shaft; 215-second drive gear set; 2152-third gear; 2154-fourth gear; 220-a manual assembly; 222-a handle; 224-a first link; 230-a manipulator; 231-locking a buckle; 232-moving contact; 233-a torsion member; 2332-a second hinge; 2334-a stop; 2336-alignment holes; 234-trip bar; 2342-a first hinge; 2344 — a first holding portion; 2346 — second holding part; 235-static contact; 236-contact carrier; 2362-hinge support; 237-reaction spring; 240-second link.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the 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.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 4, the present embodiment provides a clutch transmission assembly 100, including a shaped gear 110 and a rotation base 120 coaxially and rotatably connected to the shaped gear 110, the shaped gear 110 includes a gear body and two arc grooves 112 concentrically disposed on the gear body, a blocking wall 114 is formed between two ends of the two arc grooves 112, a through hole 122 is disposed on the rotation base 120, the through hole 122 and the arc grooves 112 are located on a same arc surface, a limit pin 130 is disposed in the through hole 122, an elastic member 140 abutting against a side wall of the through hole 122 is sleeved on the limit pin 130, one end of the limit pin 130 abuts against a blocking platform 150, the blocking platform 150 includes a first abutting surface 152 and a second abutting surface 154, the first abutting surface 152 and the second abutting surface 154 are connected by a guide surface 156, a distance between the first abutting surface 152 and the rotation base 120 is smaller than a distance between the second abutting surface 154 and the rotation base 120, so that the limit pin 130 can be engaged with or disengaged from the arc grooves 112, the shaped gear 110 further comprises a first protrusion 116 and a second protrusion 118 respectively arranged outside the two arc-shaped grooves 112 for toggling the trip lever to open the manipulator.
For example, the special-shaped gear 110 and the rotating base 120 coaxially and rotatably connected with the special-shaped gear 110 may be connected by a connecting shaft, and in order to ensure the stability of the distance between the special-shaped gear 110 and the rotating base 120, a shaft sleeve may be disposed between the special-shaped gear 110 and the connecting shaft, so that the special-shaped gear 110 and the connecting shaft are connected by the shaft sleeve, and the rotating base 120 abuts against one end of the shaft sleeve, so as to ensure the stability of the distance between the special-shaped gear 110 and the rotating base 120.
In addition, through the two arc-shaped grooves 112 concentrically arranged on the gear body of the special-shaped gear 110, the blocking wall 114 is formed between the two ends of the two arc-shaped grooves 112, when the limit pin 130 is matched with one of the arc-shaped grooves 112, in the rotation process of the special-shaped gear 110, the limit pin 130 is driven by the blocking wall 114, the rotating seat 120 is driven by the limit pin 130 to synchronously rotate, and in the rotation process of the rotating seat 120, the position relation between the rotating seat 120 and the blocking platform 150 is changed, so that the first abutting surface 152 of the limit pin 130 and the blocking platform 150 is changed into the second abutting surface 154 in the abutting mode. Thereby disengaging the spacing pin 130 from the shaped gear 110. In this variation, the required closing operation is completed by the movement of the rotary base 120, the special-shaped gear 110 stops rotating, and when the special-shaped gear 110 stops rotating, the stopper pin 130 is made to correspond to the other arc-shaped groove 112. At this time, if the rotary seat 120 is rotated by the handle 222 to perform opening, the stopper pin 130 moves in the other arc-shaped groove 112 to provide a required stroke, and manual opening is not affected.
It can be understood that when the electric brake-off is required, the shaped gear 110 is rotated in the same direction, and the first protrusion 116 or the second protrusion 118, which are arranged outside the two arc-shaped grooves 112 through the shaped gear 110, are matched with the trip rod 234 of the manipulator 230, so as to realize the required brake-off operation. When manual closing is needed, the handle 222 is directly rotated to rotate the rotating base 120 in the opposite direction, and the limiting pin 130 on the rotating base 120 rotates in the stroke of the arc-shaped groove 112 without interfering with the special-shaped gear 110.
The elastic member 140 of the present application may be a compression spring, or a rubber sleeve with elasticity, or a spring plate, and preferably a compression spring. When the elastic member is used, one end of the elastic member 140 abuts against the via hole 122, and the other end of the elastic member 140 abuts against the limit pin 130, so as to provide a required elastic force to the limit pin 130. In addition, the arrangement form of the via 122 of the present application is not particularly limited. For example, the through hole can be adopted, and the counter bore can also be adopted. When the through hole is used, the elastic member 140 directly abuts against a side surface of the rotation base 120 facing the blocking table 150. When using a countersunk hole, the elastic member 140 can abut against the limiting surface in the countersunk hole.
According to the clutch transmission assembly 100 provided by the embodiment of the invention, the special-shaped gear 110 and the rotating base 120 coaxially and rotatably connected with the special-shaped gear 110 are used, the special-shaped gear 110 comprises a gear body and two arc-shaped grooves 112 concentrically arranged on the gear body, the partition wall 114 is formed between two ends of the two arc-shaped grooves 112, the rotating base 120 is provided with the through hole 122, the through hole 122 and the arc-shaped grooves 112 are positioned on the same arc surface, the limiting pin 130 is arranged in the through hole 122, the limiting pin 130 is sleeved with the elastic member 140 abutted against the through hole 122, when the elastic member 140 is compressed, the limiting pin 130 can extend into the arc-shaped grooves 112, when the special-shaped gear 110 rotates, the limiting pin 130 and the arc-shaped grooves 112 perform relative position movement, and until the limiting pin 130 is in contact with the partition wall 114, the special-shaped gear 110 drives the rotating base 120 to synchronously rotate. When the elastic member 140 recovers the elastic deformation, the stopper pin 130 and the arc groove 112 do not interfere with each other, and at this time, the rotation base 120 and the shaped gear 110 can rotate independently. By providing the blocking platform 150, the blocking platform 150 includes a first abutting surface 152 and a second abutting surface 154, the first abutting surface 152 and the second abutting surface 154 are connected by a guiding surface 156, a distance between one abutting surface and the rotating base 120 is smaller than a distance between the second abutting surface 154 and the rotating base 120, when the electric control circuit breaker 200 is used for closing, the limit pin 130 abuts against the first abutting surface 152, at this time, the shaped gear 110 drives the rotation base 120 to move synchronously, so as to close the manipulator 230 through the rotation base 120, when the closing is completed and the shaped gear 110 continues to rotate in the same direction, the limit pin 130 will abut against the second abutting surface 154, so that the shaped gear 110 and the rotation base 120 are disengaged from each other, when the electric control circuit breaker is required to be used for opening, the special-shaped gear 110 rotates in the same direction, so that the first protrusion 116 or the second protrusion 118 is matched with the trip rod 234 to complete opening. When the circuit breaker is in the separating brake state, when needing manual switching-on, directly rotate swivel mount 120 through the handle and can realize required switching-on operation, equally, when the circuit breaker is in the switching-on state, when needing manual switching-off, directly rotate swivel mount 120 through the handle in the opposite direction and can realize required switching-off operation, during manual operation, only can realize required operation through swivel mount 120, can realize that the manual switching-on and switching-off of circuit breaker and electronic switching-on and switching-off are controlled respectively, mutual noninterference, it is convenient to provide for actual operation.
As shown in fig. 3, the rotary base 120 is further provided with a first connection hole 124 and a second connection hole 126, the first connection hole 124 and the second connection hole 126 are respectively located at two sides of the through hole 122, the first connection hole 124 is used for connecting with the handle 222, and the second connection hole 126 is used for connecting with the manipulator 230.
Specifically, first connecting hole 124 and second connecting hole 126 are located the eccentric position on swivel mount 120 respectively, and first connecting hole 124 and second connecting hole 126 are located the both sides of via hole 122 respectively, when avoiding being connected with swivel mount 120 between handle and the manipulator respectively, take place to interfere, are favorable to promoting the stability of connecting. The second connecting hole 126 is connected to a torsion element of the operator, so that the opening and closing of the circuit breaker can be controlled directly by the rotary base 120 during manual operation.
As shown in fig. 4, the guide surface 156 includes any one of a guide slope or a guide arc surface. The guiding arc surface may be an inward-concave arc surface or an outward-convex arc surface, and the switching of the relative position between the limit pin 130 and the stop table 150 is facilitated through the guiding inclined surface. For example, when the closing operation is completed, the limit pin 130 abuts against the second abutting surface 154, and when the opening operation is completed, the limit pin 130 is retracted to the state where the first abutting surface 152 abuts against, and in the switching process between the two states, the switching of the relative position between the limit pin 130 and the stopping table 150 is more stable through the guide surface 156.
As shown in fig. 5, an embodiment of the present invention further provides a circuit breaker 200, which includes the clutch transmission assembly 100 in the foregoing embodiments, and an electric assembly 210, a manual assembly 220 and a manipulator 230 respectively connected to the clutch transmission assembly 100, wherein the electric assembly 210 is in transmission connection with the shaped gear 110, and the manual assembly 220 is in transmission connection with the rotary base 120.
Specifically, the electric assembly 210 only needs to provide rotation in the same direction for the special-shaped gear 110 to achieve the required switching-off or switching-on operation, and the manual assembly 220 is in transmission connection with the rotating base 120 to drive the rotating base 120 to reciprocate at a specific angle, so that the rotating base 120 drives the manipulator 230 to achieve switching-off or switching-on.
As shown in fig. 5, 6 and 7, the electric assembly 210 includes a motor 211, an action switch 212, a shift lever 213, and a transmission assembly connected to the motor 211, the transmission assembly is connected to the special-shaped gear 110 in a transmission manner, the motor 211 is connected to the action switch 212, the action switch 212 is disposed corresponding to the shift lever 213, and the shift lever 213 is engaged with the special-shaped gear 110 to control the on/off of the action switch 212.
Specifically, the motor 211 drives the transmission assembly to move, the transmission assembly drives the special-shaped gear 110 to rotate, the motor 211 is connected with the action switch 212, when the special-shaped gear 110 rotates, the first protrusion 116 or the second protrusion 118 on the special-shaped gear 110 is matched with the shift lever 213, and then the shift lever 213 triggers the action switch 212, so that the action switch 212 timely controls the motor 211 to stop operating. The motion switch 212 of the present application may be a micro switch, a travel switch, a hall switch, or a proximity switch, as long as the operation or stop of the motor 211 can be controlled.
The specific working process of controlling the opening and closing of the circuit breaker 200 through the electric assembly 210 is as follows: when the closing operation is performed, the motor 211 drives the special-shaped gear 110 to rotate through the transmission assembly, the limit pin 130 abuts against the first abutting surface 152, at this time, the special-shaped gear 110 can drive the rotating seat 120 to move synchronously, so that the closing operation is performed on the manipulator 230 through the rotating seat 120, when the closing operation is performed on the manipulator 230, the limit pin 130 abuts against the second abutting surface 154, the matching relationship between the rotating seat 120 and the special-shaped gear 110 is released, and the first protrusion 116 or the second protrusion 118 on the special-shaped gear 110 pokes the poking rod 213, so that the poking rod 213 triggers the action switch 212 to act, and the motor 211 stops operating, so that the required closing operation is completed. When the opening operation is performed, the motor 211 is restarted to drive the special-shaped gear 110 to continue to rotate in the same direction, so that the first protrusion 116 or the second protrusion 118 and the trip rod 234 on the manipulator 230 act to complete the required opening operation. Meanwhile, the second protrusion 118 or the first protrusion 116 and the toggle lever 213 trigger the actuating switch 212 to actuate by the toggle lever 213, so that the motor 211 stops operating again to complete the required opening operation. It should be noted that, during opening, the first protrusion 116 and the trip bar 234 on the manipulator 230 operate, and the second protrusion 118 toggles the shift lever 213, so that the shift lever 213 triggers the operation switch 212 to operate; or the second protrusion 118 and the trip bar 234 on the manipulator 230 are actuated, the first protrusion 116 toggles the shift lever 213, so that the shift lever 213 triggers the actuation switch 212 to actuate.
As shown in fig. 7, the transmission assembly includes a first transmission gear set 214 and a second transmission gear set 215, the first transmission gear set 214 includes a first gear 2142 and a second gear coaxially arranged side by side, the second transmission gear set 215 includes a third gear 2152 and a fourth gear 2154 coaxially arranged side by side, wherein the first gear 2142 is in transmission connection with the motor 211, the second gear is engaged with the third gear 2152, and the fourth gear 2154 is engaged with the special-shaped gear 110.
Specifically, in order to reduce the thickness of the circuit breaker 200, the present application preferably uses a mode that the transmission direction of the motor 211 is perpendicular to the transmission direction of the transmission assembly, and uses a form of helical gear engagement between the first gear 2142 and the output shaft of the motor 211 to change the transmission direction of the motor 211. Since the first transmission gear set 214 includes the first gear 2142 and the second gear coaxially arranged side by side, the first gear 2142 and the second gear are relatively fixed, and when the first gear 2142 rotates, the second gear (not shown in the figure) is driven to rotate synchronously. Because the second transmission gear set 215 includes the third gear 2152 and the fourth gear 2154 which are coaxially and arranged side by side, the third gear 2152 and the fourth gear 2154 are relatively fixed, the second gear is engaged with the third gear 2152, and when the third gear 2152 rotates, the fourth gear 2154 is driven to synchronously rotate. The fourth gear 2154 is engaged with the special-shaped gear 110, so that the special-shaped gear 110 is driven to rotate, and the required switching-off or switching-on operation is realized.
As shown in fig. 7 and 8, the circuit breaker 200 further includes a housing (not shown), one end of the lever 213 is hinged to the housing, or one end of the lever 213 is hinged to the rotating shaft 2144 for positioning the first transmission gear set 214, the other end of the lever 213 is provided with a first abutting portion 2132 and a second abutting portion 2134, the first abutting portion 2132 is used for being matched with the first protrusion 116 or the second protrusion 118 of the special-shaped gear 110, and the second abutting portion 2134 is used for being matched with the action switch 212.
Specifically, a guiding arc surface is arranged on one side of the first protrusion 116 and the second protrusion 118, which is matched and abutted with the trip bar 234 and the shift lever 213, and the first protrusion 116 and the second protrusion 118 are contacted with the trip bar 234 and the shift lever 213 and push the motion process of the trip bar 234 and the shift lever 213 to be smoother, so that the phenomenon of blocking is avoided, and the stability of transmission is improved.
The lever 213 may further include an elastic member such as a torsion spring or a spring, which provides the lever 213 with an elastic force close to the gear 110 to prevent the lever 213 from accidentally touching the actuating switch 212. When the first abutting portion 2132 is engaged with the first protrusion 116 or the second protrusion 118 of the shaped gear 110, the driving lever 213 is rotated along the hinged end, and the action switch 212 is triggered by the second abutting portion 2346.
As shown in fig. 9 and 10, the manipulator 230 includes a trip lever 234, a torsion member 233, a contact support 236, and a latch 231 and a movable contact 232 connected to the contact support 236, and referring to fig. 11 again, the trip lever 234 includes a first hinge portion 2342 hinged to the housing, a first abutting portion 2344 engaged with the first protrusion 116 or the second protrusion 118, and a second abutting portion 2346 engaged with the latch 231; the torsion member 233 includes a second hinge portion 2332 hinged to the contact holder 236, a stopper portion 2334 engaged with the latch 231, and a positioning hole 2336 for connection with the swivel base 120. Wherein the second hinge 2332 is hinged to the hinge support 2362 of the contact support 236. A first hole position hinged with the contact support 236 and a second hole position limiting the movable contact 232 are arranged between the movable contact 232 and the contact support 236.
Specifically, during closing, the rotation base 120 drives the rotation member 233 to rotate along the second hinge portion 2332, and the limiting portion 2334, which is matched with the latch 231 during the rotation of the rotation member 233, limits the latch 231 and drives the latch 231 to rotate. It can be understood that, due to the rotation of the rotation seat 120, while the torsion member 233 rotates, the position of the torsion member 233 changes, and the contact support 236 is further driven to rotate, and finally, a situation that the contact support 236, the latch 231, and the torsion member 233 rotate together is formed. During opening, the rotation base 120 drives the torsion member 233 to rotate reversely along the second hinge portion 2332, and during the rotation of the torsion member 233, the contact holder 236, the latch 231 and the torsion member 233 rotate reversely together, so that the contact 232 is allowed to rebound to the initial position before closing. As shown in fig. 12, the first protrusion 116 or the second protrusion 118 on the shaped gear 110 may push the first supporting portion 2344 on the trip rod 234 to rotate the trip rod 234 along the first hinge portion 2342, and when the trip rod 234 rotates, the second supporting portion 2346 pushes the lock 231 to rotate, so that the lock 231 is separated from the limiting portion 2334 of the torsion member 233, and the movable contact 232 drives the contact support 236 to rebound to the initial position before closing under the action of the reaction spring 237, so as to achieve the opening operation.
As shown in fig. 6, 13 and 14, the manual assembly 220 includes an operating handle 222 and a first link 224, one end of the first link 224 is connected to the operating handle 222, the other end of the first link 224 is connected to the first connecting hole 124 of the swivel base 120, and the second connecting hole 126 of the swivel base 120 is connected to the positioning hole 2336 of the torsion member 233 through the second link 240.
Specifically, when the circuit breaker 200 is in the open state, the positional relationship between the rotary seat 120 and the blocking table 150 is shown in fig. 13, and when manual closing is required, the first connecting rod 224 is directly driven by the handle 222, the rotary seat 120 is driven by the first connecting rod 224, and the rotary seat 120 drives the torsion member 233 to move by the second connecting rod 240, so that the required closing operation can be realized. Similarly, when the circuit breaker 200 is in a closed state, the positional relationship between the rotary base 120 and the blocking platform 150 is shown in fig. 12, and manual opening is required, the rotary base 120 is directly rotated in the opposite direction by the handle 222 to achieve the required opening operation, and during manual operation, the required operation can be achieved only by the rotary base 120.
It should be noted that, in the closing process of the electrical control circuit breaker 200, the rotation base 120 is driven to rotate synchronously, one end of the first connecting rod 224 is connected to the operating handle 222, and the other end of the first connecting rod 224 is connected to the first connecting hole 124 of the rotation base 120, so that the handle 222 is driven to operate when the circuit breaker is closed. However, when manual operation is required, the rotation base 120 and the special-shaped gear 110 are disengaged, and the operations between the two are not affected, so that the operations of electric switching-on or switching-off, manual switching-on or switching-off, electric switching-off manual switching-on or electric switching-on and manual switching-off and the like can be realized, and convenience is provided for actual operation.
The circuit breaker 200 is an important element for protecting the circuit, and the circuit breaker 200 further includes a trip assembly (not shown) including a coil connected in series with the main circuit of the circuit breaker 200 and an armature cooperating with the coil for cooperating with the latch 231 to open the actuator 230. For example, when the current of the main circuit of the circuit breaker 200 is too large, the current of the coil connected in series with the main circuit of the circuit breaker 200 is increased, and the magnetism of the coil is increased. The magnetic force of the coil attracting the armature is larger than the elastic force of the armature positioning, so that the armature moves to trigger the opening action of the lock catch 231, and the movable contact 232 rebounds to the state before closing, so that the use safety of the electric appliance in the series circuit is ensured.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A clutch transmission assembly is characterized by comprising a special-shaped gear and a rotary seat which is coaxially and rotatably connected with the special-shaped gear, wherein the special-shaped gear comprises a gear body and two arc-shaped grooves which are concentrically arranged on the gear body, a baffle wall is formed between two ends of the two arc-shaped grooves, a through hole is formed in the rotary seat, the through hole and the arc-shaped grooves are positioned on the same arc surface, a limiting pin is arranged in the through hole, an elastic piece which is abutted against the through hole is sleeved on the limiting pin, one end of the limiting pin is abutted against a baffle table, the baffle table comprises a first abutting surface and a second abutting surface, the first abutting surface and the second abutting surface are connected through a guide surface, the distance between the first abutting surface and the rotary seat is smaller than the distance between the second abutting surface and the rotary seat, so that the limiting pin can be matched with or separated from the arc-shaped grooves, the special-shaped gear further comprises a first protrusion and a second protrusion which are arranged on the outer sides of the two arc-shaped grooves respectively and used for shifting the trip rod to enable the manipulator to be switched off.
2. The clutch transmission assembly as claimed in claim 1, wherein the rotary seat is further provided with a first connecting hole and a second connecting hole, the first connecting hole and the second connecting hole are respectively located at two sides of the through hole, the first connecting hole is used for connecting with a handle, and the second connecting hole is used for connecting with the manipulator.
3. The clutch transmission assembly of claim 1 or 2, wherein the guide surface comprises any one of a guide slope or a guide arc surface.
4. A circuit breaker, comprising a clutch transmission assembly as claimed in any one of claims 1 to 3, and an electric assembly, a manual assembly and a manipulator respectively connected with the clutch transmission assembly, wherein the electric assembly is in transmission connection with the shaped gear, and the manual assembly is in transmission connection with the rotary seat.
5. The circuit breaker according to claim 4, wherein the electric assembly comprises a motor, an action switch, a shifting lever, and a transmission assembly connected with the motor, the transmission assembly is in transmission connection with the special-shaped gear, the motor is connected with the action switch, the action switch is arranged corresponding to the shifting lever, and the shifting lever is matched with the special-shaped gear to control the on-off of the action switch.
6. The circuit breaker of claim 5, wherein the transmission assembly comprises a first transmission gear set and a second transmission gear set, the first transmission gear set comprises a first gear and a second gear which are coaxially arranged side by side, the second transmission gear set comprises a third gear and a fourth gear which are coaxially arranged side by side, wherein the first gear is in transmission connection with the motor, the second gear is engaged with the third gear, and the fourth gear is engaged with the special-shaped gear.
7. The circuit breaker according to claim 6, characterized in that the circuit breaker further comprises a housing, wherein one end of the deflector rod is hinged with the housing, or one end of the deflector rod is hinged with a rotating shaft for positioning the first transmission gear set; the other end of the shifting lever is provided with a first abutting part and a second abutting part, the first abutting part is used for being matched with the first protrusion or the second protrusion of the special-shaped gear, and the second abutting part is used for being matched with the action switch.
8. The circuit breaker of claim 7, wherein the actuator comprises a trip bar, a torsion member, a contact support, and a latch and a movable contact connected to the contact support, the trip bar comprising a first hinge portion hinged to the housing, a first abutting portion engaged with the first protrusion or the second protrusion, and a second abutting portion engaged with the latch; the torsion piece comprises a second hinge part hinged with the contact support, a limiting part matched with the lock catch, and a positioning hole used for being connected with the rotary seat.
9. The circuit breaker as claimed in claim 8, wherein the manual assembly includes an operating handle and a first link, one end of the first link is connected to the operating handle, the other end of the first link is connected to a first connecting hole of the rotary base, and a second connecting hole of the rotary base is connected to the positioning hole of the torsion member through a second link.
10. The circuit breaker of claim 8 or 9, further comprising a trip assembly including a coil in series with the circuit breaker primary circuit and an armature engaged with the coil, the armature for engaging the latch to trip the operator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010728592.4A CN113972109B (en) | 2020-07-24 | 2020-07-24 | Clutch transmission assembly and circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010728592.4A CN113972109B (en) | 2020-07-24 | 2020-07-24 | Clutch transmission assembly and circuit breaker |
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| Publication Number | Publication Date |
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| CN113972109A true CN113972109A (en) | 2022-01-25 |
| CN113972109B CN113972109B (en) | 2024-09-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010728592.4A Active CN113972109B (en) | 2020-07-24 | 2020-07-24 | Clutch transmission assembly and circuit breaker |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115775711A (en) * | 2022-12-14 | 2023-03-10 | 上海正泰智能科技有限公司 | Switching-on and switching-off mechanism and circuit breaker |
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| CN106206190A (en) * | 2016-08-30 | 2016-12-07 | 德力西电气有限公司 | A kind of divide-shut brake control structure and there is its chopper |
| CN107958824A (en) * | 2017-12-13 | 2018-04-24 | 刘心长 | A kind of device for driving the automatic divide-shut brake of breaker |
| CN212542320U (en) * | 2020-07-24 | 2021-02-12 | 上海良信电器股份有限公司 | Clutch transmission assembly and circuit breaker |
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2020
- 2020-07-24 CN CN202010728592.4A patent/CN113972109B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106206190A (en) * | 2016-08-30 | 2016-12-07 | 德力西电气有限公司 | A kind of divide-shut brake control structure and there is its chopper |
| CN107958824A (en) * | 2017-12-13 | 2018-04-24 | 刘心长 | A kind of device for driving the automatic divide-shut brake of breaker |
| CN212542320U (en) * | 2020-07-24 | 2021-02-12 | 上海良信电器股份有限公司 | Clutch transmission assembly and circuit breaker |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115775711A (en) * | 2022-12-14 | 2023-03-10 | 上海正泰智能科技有限公司 | Switching-on and switching-off mechanism and circuit breaker |
| CN115775711B (en) * | 2022-12-14 | 2023-11-14 | 上海正泰智能科技有限公司 | Switching mechanism and circuit breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113972109B (en) | 2024-09-20 |
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Effective date of registration: 20230330 Address after: No. 2000, Shenjiang South Road, Pudong New Area, Shanghai, 201315 Applicant after: Shanghai Liangxin Electrical Co.,Ltd. Applicant after: Huawei Digital Energy Technology Co.,Ltd. Address before: No. 2000, Shenjiang South Road, Pudong New Area, Shanghai, 201315 Applicant before: Shanghai Liangxin Electrical Co.,Ltd. Applicant before: HUAWEI TECHNOLOGIES Co.,Ltd. |
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