CN216648200U

CN216648200U - Electric operating mechanism for molded case circuit breaker

Info

Publication number: CN216648200U
Application number: CN202123182452.0U
Authority: CN
Inventors: 于方苏; 王彪
Original assignee: Reymid Electric Jiangsu Co ltd
Current assignee: Reymid Electric Jiangsu Co ltd
Priority date: 2021-12-17
Filing date: 2021-12-17
Publication date: 2022-05-31
Anticipated expiration: 2031-12-17

Abstract

The utility model discloses an electric operating mechanism for a plastic shell circuit breaker, which comprises a body and a brake body, wherein the brake body is installed at one end of the outer wall of the body, the bottom of the body is provided with an operating mechanism, the operating mechanism comprises a shell, the shell is fixedly connected to the bottom of the body, the top of the inner wall of the shell is fixedly connected with a sleeve, the inner wall of the sleeve is in clearance fit with a vertical rod, and the vertical rod is rotatably connected with a pulley through a connecting shaft. This mould electric operating mechanism that shell circuit breaker was used connects external power supply through the microwave inductive switch among the control mechanism, and after the floodgate body tripping operation of body rotated, microwave inductive switch passed through the wire, drive the motor, the motor drives the screw rod and rotates, when the screw rod rotated, it is continuous through the slip of slider and spout, make the montant drive the pulley upwards rotate the floodgate body, with the body restart, and after starting, the motor drove the screw rod reversal, with montant and pulley playback, it is comparatively convenient.

Description

Electric operating mechanism for molded case circuit breaker

Technical Field

The utility model relates to the technical field of molded case circuit breakers, in particular to an electric operating mechanism for a molded case circuit breaker.

Background

The molded case circuit breaker is also called a device type circuit breaker, all parts are sealed in a plastic shell, an auxiliary contact, an under-voltage release, a shunt release and the like are modularized, and the molded case circuit breaker cannot be basically overhauled due to the fact that the structure is very compact.

Although the current of the existing molded case circuit breaker can be automatically cut off after the current exceeds the trip setting, the problem that the existing molded case circuit breaker is inconvenient because the molded case circuit breaker needs to be manually restarted after being tripped exists.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an electric operating mechanism for a molded case circuit breaker, which aims to solve the problem that the prior molded case circuit breaker needs to be manually re-opened after tripping, so that the problem is inconvenient.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an electric operating mechanism that moulded case circuit breaker was used, includes the body and the floodgate body, the floodgate body is installed to the outer wall one end of body, the bottom of body is equipped with operating device, operating device includes the casing, the casing rigid coupling is in the bottom of body, the inner wall top rigid coupling of casing has the sleeve, telescopic inner wall clearance fit has the montant, the montant passes through the connecting axle and rotates and link to each other there is the pulley.

Preferably, the inner wall clearance fit of montant has the body of rod, the bottom of the body of rod is in the same place with the inner wall bottom rigid coupling of casing.

Preferably, the inner wall of casing is equipped with drive mechanism, drive mechanism includes the supporting seat, the supporting seat rigid coupling is in the inner wall bottom of casing, the supporting seat rotates through the bearing and links to each other there is the screw rod, the outer wall screw thread of screw rod links to each other there is the thread bush, the thread bush rotates through the connecting axle and has linked to each other the rope body, the outer wall activity of the rope body links to each other there is the sheave, the sheave passes through the connecting axle and rotates with the casing and link to each other, the rope body passes through the connecting axle and rotates with the montant and link to each other.

Preferably, a sliding groove is processed at the bottom of the inner wall of the shell, a sliding block is connected to the inner wall of the sliding groove in a sliding mode, and the top of the sliding block is fixedly connected with the bottom of the threaded sleeve.

Preferably, the top of casing is equipped with control mechanism, control mechanism includes microwave inductive switch, microwave inductive switch installs in the top of casing, the wire is installed to microwave inductive switch's bottom, microwave inductive switch passes through the wire electrical property and links to each other there is the motor, the motor is installed in the inner wall bottom of casing, the output of motor links to each other with the outer wall one end rigid coupling of screw rod.

Compared with the prior art, the utility model has the beneficial effects that: this mould electric operating mechanism that shell circuit breaker was used, connect external power supply through the microwave inductive switch among the control mechanism, and after the floodgate body tripping operation of body rotated, microwave inductive switch passes through the wire, drive the motor, the motor drives the screw rod and rotates, when the screw rod rotates, slip through slider and spout links to each other, the slider removes the direction about the thread bush is gone on, drive thread bush removes left, when the thread bush removes, drive the rope body and remove, the rope body drives the montant and moves upwards at the outer wall of the body of rod, make the montant drive pulley upwards rotate the floodgate body, restart the body, and after starting, the motor drives the screw rod reversal, with montant and pulley playback, it is comparatively convenient.

Through the cooperation between slider and the spout for slide according to slider and spout links to each other, the slider can move the screw thread cover and remove the direction, and then when the screw rod rotates, can drive the screw thread cover and move about steadily, improves the stability of moving about of screw thread cover.

Drawings

FIG. 1 is a schematic diagram of the connection relationship of the present invention;

FIG. 2 is a schematic cross-sectional view of the housing of FIG. 1;

FIG. 3 is a schematic structural view of the housing, sleeve and vertical post of FIG. 2;

fig. 4 is a schematic structural diagram of the housing, the motor and the slider in fig. 2.

In the figure: 1. the device comprises a body, 2, a brake body, 3, a rod body, 4, a sliding block, 5, a sliding groove, 6, an operating mechanism, 601, a shell, 602, a sleeve, 603, a vertical rod, 604, a pulley, 7, a traction mechanism, 701, a supporting seat, 702, a screw rod, 703, a threaded sleeve, 704, a rope body, 705, a grooved wheel, 8, a control mechanism, 801, a microwave induction switch, 802, a lead wire, 803 and a motor.

Detailed Description

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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides an electric operating mechanism that moulded case circuit breaker was used, including body 1 and floodgate body 2, floodgate body 2 is installed to body 1's outer wall one end, body 1's bottom is equipped with operating device 6, operating device 6 includes casing 601, casing 601 rigid coupling is in body 1's bottom, casing 601's inner wall top rigid coupling has sleeve 602, sleeve 602's inner wall clearance fit has montant 603, montant 603 can carry out elevating movement at sleeve 602's inner wall, montant 603 rotates through the connecting axle and links to each other there is pulley 604, montant 603 can drive pulley 604 rebound, and then can upwards promote floodgate body 2, montant 603's inner wall clearance fit has the body of rod 3, the bottom of the body of rod 3 is in the same place with the inner wall bottom rigid coupling of casing 601.

The inner wall of the shell 601 is provided with a traction mechanism 7, the traction mechanism 7 comprises a support seat 701, the support seat 701 is fixedly connected to the bottom of the inner wall of the shell 601, the support seat 701 is rotatably connected with a screw rod 702 through a bearing, the outer wall of the screw rod 702 is in threaded connection with a threaded sleeve 703, the screw rod 702 can drive the threaded sleeve 703 to move left and right, the threaded sleeve 703 is rotatably connected with a rope body 704 through a connecting shaft, the outer wall of the rope body 704 is movably connected with a grooved pulley 705, the grooved pulley 705 is rotatably connected with the shell 601 through the connecting shaft, the rope body 704 is rotatably connected with a vertical rod 603 through the connecting shaft, the rope body 704 can drive the vertical rod 603 to move upwards, the bottom of the inner wall of the shell 601 is provided with a sliding groove 5, the inner wall of the sliding groove 5 is slidably connected with a sliding block 4, and the top of the sliding block 4 is fixedly connected with the bottom of the threaded sleeve 703.

The top of casing 601 is equipped with control mechanism 8, control mechanism 8 includes microwave inductive switch 801, microwave inductive switch 801 is installed in the top of casing 601, microwave inductive switch 801's model is selected according to actual work demand, after the floodgate body 2 rotates downwards, microwave inductive switch 801 accessible wire 802 control motor 803 moves, wire 802 is installed to microwave inductive switch 801's bottom, microwave inductive switch 801 links to each other through wire 802 electrical property has motor 803, the model of motor 803 is selected according to actual work demand, motor 803 is installed in the inner wall bottom of casing 601, the output of motor 803 and the outer wall one end rigid coupling of screw rod 702 link to each other.

When the electric operating mechanism for the molded case circuit breaker is used, the microwave induction switch 801 is connected with an external power supply, after the brake body 2 of the body 1 is tripped and rotated, the microwave induction switch 801 drives the motor 803 through the lead 802, the motor 803 drives the screw rod 702 to rotate, when the screw rod 702 rotates, the screw rod 702 is connected with the sliding groove 5 in a sliding manner through the sliding block 4, the sliding block 4 carries out left-right movement guiding on the thread sleeve 703 to drive the thread sleeve 703 to move leftwards, when the thread sleeve 703 moves, the rope body 704 is driven to move, the rope body 704 drives the vertical rod 603 to move upwards on the outer wall of the rod body 3, so that the vertical rod 603 drives the pulley 604 to rotate the brake body 2 upwards, the body 1 is restarted, and after the body 1 is started, the motor 803 drives the screw rod 702 to rotate backwards, and the vertical rod 603 and the pulley 604 are reset, which is convenient.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an electric operating mechanism that moulded case circuit breaker used, includes body (1) and floodgate body (2), its characterized in that are installed to the outer wall one end of body (1): the bottom of body (1) is equipped with operating device (6), operating device (6) include casing (601), casing (601) rigid coupling in the bottom of body (1), the inner wall top rigid coupling of casing (601) has sleeve (602), the inner wall clearance fit of sleeve (602) has montant (603), montant (603) link to each other through the connecting axle rotation has pulley (604).

2. The electric operating mechanism for the molded case circuit breaker according to claim 1, wherein: the inner wall clearance fit of montant (603) has the body of rod (3), the bottom of the body of rod (3) is in the same place with the inner wall bottom rigid coupling of casing (601).

3. The electric operating mechanism for the molded case circuit breaker according to claim 1, wherein: the inner wall of casing (601) is equipped with drive mechanism (7), drive mechanism (7) are including supporting seat (701), supporting seat (701) rigid coupling is in the inner wall bottom of casing (601), supporting seat (701) rotate through the bearing and have linked together screw rod (702), the outer wall screw thread of screw rod (702) links up with thread bush (703), thread bush (703) rotate through the connecting axle and link up with rope body (704), the outer wall activity of rope body (704) links up with sheave (705), sheave (705) rotate through connecting axle and casing (601) and link to each other, rope body (704) rotate through connecting axle and montant (603) and link to each other.

4. The electric operating mechanism for the molded case circuit breaker according to claim 1, wherein: the bottom of the inner wall of the shell (601) is provided with a sliding chute (5), the inner wall of the sliding chute (5) is connected with a sliding block (4) in a sliding mode, and the top of the sliding block (4) is fixedly connected with the bottom of the threaded sleeve (703).

5. The electric operating mechanism for the molded case circuit breaker according to claim 1, wherein: the top of casing (601) is equipped with control mechanism (8), control mechanism (8) include microwave induction switch (801), install in the top of casing (601) microwave induction switch (801), wire (802) are installed to the bottom of microwave induction switch (801), microwave induction switch (801) link to each other through wire (802) electrical property has motor (803), the inner wall bottom in casing (601) is installed in motor (803), the output of motor (803) links to each other with the outer wall one end rigid coupling of screw rod (702).