CN211957576U

CN211957576U - Electric operating mechanism

Info

Publication number: CN211957576U
Application number: CN202021142340.5U
Authority: CN
Inventors: 陈建景
Original assignee: Zhejiang Deling Technology Co ltd
Current assignee: Zhejiang Deling Technology Co ltd
Priority date: 2020-06-18
Filing date: 2020-06-18
Publication date: 2020-11-17
Anticipated expiration: 2030-06-18

Abstract

The utility model relates to an electric operating mechanism, which comprises a shell, and a motor, a worm, a helical gear and a reduction gear which are arranged in the shell, the trip gear, sector gear, the handle, trip rod and circuit board, form the trip shaft on the trip gear, sector gear coaxial coupling is on the trip gear, sector gear and handle linkage, the trip shaft sets up on sector gear's motion orbit, trip rod lower extreme articulates at the shell inboard, trip rod middle part forms thread slipping section and free section, the thread slipping section sets up in the free section top, the thread slipping section sets up on the motion orbit of trip shaft, the free section lets the position for the motion orbit of trip shaft, be provided with the torsional spring on the trip rod and tend to the trip gear swing with the upper end of trip rod, be provided with the state change over switch on the circuit board, be provided with dropout position sensor and the handle position sensor towards the circuit board on trip gear and the handle respectively. The utility model discloses simple structure, control is convenient.

Description

Electric operating mechanism

Technical Field

The utility model relates to an electric operating mechanism.

Background

The electric operating mechanism is a mechanism for realizing the remote automatic opening and closing of the circuit breaker, is connected to the circuit breaker, and controls the motor to drive the electric operating mechanism to automatically open and close the circuit breaker through a remote signal. However, the existing automatic operating mechanism has a single function and cannot meet the use requirements of some occasions, so that an electric operating mechanism with comprehensive functions is needed.

Disclosure of Invention

In view of the above, the utility model provides an electric operating mechanism and operation method thereof that the function is comprehensive, convenient operation.

In order to achieve the above purpose, the utility model adopts an electric operating mechanism, which comprises a shell, a motor arranged in the shell, a worm, a helical gear, a reduction gear, a tripping gear, a sector gear, a handle, a tripping rod and a circuit board, wherein the worm is arranged on an output shaft of the motor in a penetrating way, the worm is meshed and linked with the helical gear, the helical gear is meshed and linked with the reduction gear, the reduction gear is meshed and linked with the tripping gear, a tripping shaft is formed on the tripping gear, the sector gear is coaxially connected with the tripping gear, a section of handle gear is formed on the handle, the sector gear is meshed and linked with the handle gear, the tripping shaft is arranged on the motion track of the sector gear, the lower end of the tripping rod is hinged at the inner side of the shell, a sliding buckle section and a free section are formed in the middle part of the tripping rod, the sliding buckle section is arranged above the free section, the sliding buckle section is arranged on the motion, the shell is provided with a tripping hole corresponding to the tripping mechanism of the miniature circuit breaker, the upper end of the tripping rod extends to the inner side of the tripping hole of the shell, the tripping rod is provided with a torsion spring to enable the upper end of the tripping rod to tend to swing towards the tripping gear, the circuit board is provided with a state change-over switch, the circuit board is electrically connected with the motor, and the tripping gear and the handle are respectively provided with a tripping position sensor and a handle position sensor which face the circuit board.

The utility model discloses further set up to the trip shaft including connecting the trip gear on with fan-shaped gear high drive division and the trip portion on top, the drive division is fan-shaped, side and fan-shaped gear's side adaptation, accessible fan-shaped gear promote the trip shaft and remove, the trip portion is cylindrical, can with the outside motion of the thread slipping section contact promotion trip bar of trip bar.

The utility model discloses still include an electric operating mechanism's operating method, state change over switch has long-range, on the spot, three positions of thread slipping, and the control method of three position is as follows:

(1) the state switch is switched to a remote position, the motor controls the trip shaft to be positioned at the initial position of the inner side of the free section,

manual opening and closing: the handle can be freely switched on and off, the sector gear cannot push the tripping shaft to move when rotating along with the handle, and the tripping gear is not moved;

electric brake opening: the trip gear is pushed to rotate by remotely controlling the motor to enable the trip shaft to move towards the trip rod, the slide buckle section of the trip rod is touched to enable the trip rod to move outwards to push the breaker to be disconnected, and after the disconnection, the motor controls the trip shaft to return to the initial position;

electric switching-on: the control motor pushes the tripping gear to rotate reversely, the tripping shaft extrudes the sector gear to rotate, the sector gear pushes the handle to be switched on, and the motor controls the tripping shaft to return to the initial position after the switch-on.

(2) The state switch is switched to the right position, and the motor controls the trip shaft to be located at the initial position of the inner side of the free section and to be kept unchanged.

(3) The state change-over switch is switched to the slide buckle position, the motor controls the tripping shaft to move towards the tripping rod, the tripping shaft is contacted with the slide buckle section and pushes the tripping rod to move outwards and keep the tripping shaft, and at the moment, the operating mechanism of the circuit breaker cannot be switched on.

The utility model has the advantages that the electric operating mechanism realizes the clutch of the manual opening and closing brake and the electric opening and closing brake by adopting the cooperation of the trip shaft and the sector gear; the state change-over switch with three positions is arranged on the circuit board, and the position of the motor control tripping shaft is changed over through the state change-over switch, so that the control of three states of remote, local and sliding buckling is realized, and the control is convenient and reliable.

Drawings

Fig. 1 is an exploded view of an embodiment of the present invention.

Fig. 2 is an exploded view of an embodiment of the present invention.

Fig. 3 is a schematic view of the embodiment of the present invention with the outer casing removed.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

As shown in fig. 1-3, the embodiment of the present invention is an electric operating mechanism, which comprises a housing 10, a motor 1 disposed in the housing 10, a worm 2, a helical gear 3, a reduction gear 4, a tripping gear 5, a sector gear 6, a handle 7, a tripping rod 8 and a circuit board 9, wherein the worm 2 is disposed on an output shaft of the motor 1, the worm 2 is meshed with the helical gear 3, the helical gear 3 forms a pinion to be meshed with the reduction gear 4, the reduction gear 4 is meshed with the tripping gear 5, the tripping gear 5 forms a tripping shaft 51, the sector gear 6 is coaxially connected to the tripping gear 5, the handle 7 forms a handle gear 71, the sector gear 6 is meshed with the handle gear 71, the tripping shaft 51 is disposed on a movement track of the sector gear 6, a lower end of the tripping rod 8 is hinged inside the housing 10, a middle portion of the tripping rod 8 forms an arc-shaped sliding buckle section 81 and a free section 82, the slide fastener section 81 is arranged above the free section 82, the slide fastener section 81 is arranged on the motion track of the trip shaft 51, the free section 82 gives way to the motion track of the trip shaft 51, a trip hole 11 corresponding to the trip mechanism of the miniature circuit breaker is formed on the shell 10, the upper end of the trip rod 8 extends to the inner side of the trip hole 11 of the shell, a torsion spring 83 is arranged on the trip rod 8 to enable the upper end of the trip rod 8 to swing towards the trip gear 5, a state change-over switch 91 is arranged on the circuit board 9, the circuit board 9 is electrically connected with the motor 1, a trip position sensor 52 and a handle position sensor 72 facing the circuit board 9 are respectively arranged on the trip gear 5 and the handle 7, and the trip position sensor 52 and the handle position sensor 72 can adopt a magnet, a luminous or a reflecting element to realize position feedback of the trip gear and the handle position. The trip shaft 51 comprises a driving part 511 and a trip part 512, wherein the driving part 511 is connected to the trip gear 5 and has the same height as the sector gear 6, the top end of the driving part 512 is connected to the sector gear 6, the side surface of the driving part 511 is matched with the side surface of the sector gear 6, the trip shaft 51 can be pushed to move through the sector gear 6, and the trip part 512 is cylindrical and can be contacted with the slide fastener section 81 of the trip rod 8 to push the trip rod 8 to move outwards. Still be provided with double-colored emitting diode 92 on the circuit board 9, be provided with leaded light post 93 between the surface of double-colored emitting diode 92 and shell 10, double-colored emitting diode 92 indicates different states through sending different colours, shows on shell 10 through leaded light post 93, is convenient for observe.

The utility model discloses still include an electric operating mechanism's operating method, state change-over switch 91 has long-range, on the spot, three positions of thread slipping, and the control method of three position is as follows:

(1) the state switch 91 is switched to the remote position, the motor 1 controls the trip shaft 51 to be located at the initial position inside the free section 82,

manual opening and closing: the handle 7 can be freely switched on and off, the sector gear 6 cannot push the trip shaft 51 to move when rotating along with the handle 7, and the trip gear 5 is not moved;

electric brake opening: the trip gear 5 is pushed to rotate by remotely controlling the rotation of the motor 1, the trip shaft 51 moves towards the trip rod 8, the slide fastener section 81 of the trip rod 8 is touched to enable the trip rod 8 to move outwards to push the circuit breaker operating mechanism to break, and after the breaking, the motor 1 controls the trip shaft 51 to return to the initial position;

electric switching-on: the control motor 1 pushes the tripping gear 5 to rotate reversely, the tripping shaft 51 pushes and pushes the sector gear 6 to rotate, the sector gear 6 pushes the handle 7 to be switched on, and the motor 1 controls the tripping shaft 51 to return to the initial position after the switching-on.

(2) The state switch 91 is switched to the right position, the motor 1 controls the trip shaft 51 to be positioned at the initial position inside the free section 82 and keeps unchanged, and the handle 7 can be manually controlled to be switched on and off.

(3) The state switch 91 is switched to the sliding-buckling position, the motor 1 controls the tripping shaft 51 to move towards the tripping rod 8, the tripping shaft 51 is contacted with the sliding-buckling section 81 and pushes the tripping rod 8 to move outwards and keep the tripping shaft, and at the moment, the operating mechanism of the circuit breaker can be immediately tripped after being switched on and cannot be switched on.

The above embodiments are preferred embodiments of the present invention, and in addition to the above embodiments, other obvious changes of the present invention are also within the scope of the present invention.

Claims

1. The utility model provides an electric operating mechanism, includes the shell and sets up motor, worm, helical gear, reduction gear, tripping gear, sector gear, handle, tripping bar and the circuit board in the shell, its characterized in that: the worm is arranged on an output shaft of the motor in a penetrating way, the worm is in meshing linkage with the helical gear, a pinion is formed on the helical gear in meshing linkage with the reduction gear, the reduction gear is in meshing linkage with the tripping gear, a tripping shaft is formed on the tripping gear, the sector gear is coaxially connected to the tripping gear, a section of handle gear is formed on the handle, the sector gear is in meshing linkage with the handle gear, the tripping shaft is arranged on the motion track of the sector gear, the lower end of the tripping rod is hinged to the inner side of the shell, a slide-buckle section and a free section are formed in the middle of the tripping rod, the slide-buckle section is arranged above the free section, the slide-buckle section is arranged on the motion track of the tripping shaft, the free section gives a abdication to the motion track of the tripping shaft, a tripping hole corresponding to the tripping mechanism of the miniature circuit breaker is formed on the shell, the upper end of the tripping rod extends to the inner side of, the circuit board is provided with a state change-over switch, the circuit board is electrically connected with the motor, and the tripping gear and the handle are respectively provided with a tripping position sensor and a handle position sensor which face the circuit board.

2. The electric operating mechanism according to claim 1, wherein: the trip shaft comprises a drive part and a trip part, wherein the drive part is connected to the trip gear and has the same height as the sector gear, the trip part is arranged at the top end of the drive part, the drive part is fan-shaped, the side surface of the drive part is matched with the side surface of the sector gear, the trip shaft can be pushed to move through the sector gear, and the trip part is cylindrical and can be contacted with the slide fastener section of the trip rod to push the trip rod to move outwards.