CN212461452U

CN212461452U - Rotating operation handle for molded case circuit breaker

Info

Publication number: CN212461452U
Application number: CN202021410249.7U
Authority: CN
Inventors: 李新峰; 李新研; 胡波
Original assignee: Yueqing Senheng Electrical Appliances Co ltd
Current assignee: Yueqing Senheng Electrical Appliances Co ltd
Priority date: 2020-07-17
Filing date: 2020-07-17
Publication date: 2021-02-02
Anticipated expiration: 2030-07-17

Abstract

The utility model discloses a moulded case circuit breaker is with rotating operating handle, including circuit breaker body and door plant, the outside fixed mounting of door plant has the second bearing seat, the inside fixed mounting of second bearing seat has the dwang, just the dwang is close to the inside one side of door plant and is fixed with the sector plate, one side surface that first bearing seat is close to the dwang is provided with movable groove, just the dwang is close to the fixed surface of second bearing seat and installs the lug, the door plant is close to the internal surface fixed mounting of lug and has the second buckle, just the door plant is close to the second buckle and installs first buckle with the same internal surface fixed mounting of horizontal position of second buckle. The utility model has simple and convenient operation in the using process, and can lock the cabinet door when the molded case circuit breaker is in a closing state; and meanwhile, when the molded case circuit breaker is in an opening state, the cabinet door is convenient to open, and the use is facilitated.

Description

Rotating operation handle for molded case circuit breaker

Technical Field

The utility model relates to a moulded case circuit breaker technical field especially relates to a moulded case circuit breaker is with rotating operating handle.

Background

The molded case circuit breaker is also called as a device type circuit breaker, all parts are sealed in a plastic shell, the molded case circuit breaker basically cannot be overhauled due to very compact structure, manual operation is mostly adopted for the molded case circuit breaker, and a cabinet door cannot be locked when the molded case circuit breaker is in a closing state by a traditional rotating operation handle; and meanwhile, when the molded case circuit breaker is in a switching-off state, the cabinet door cannot be opened, and further maintenance and use of a power distribution system are not facilitated. Therefore, we propose a rotary operating handle for a molded case circuit breaker.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art, and providing a rotating operation handle for a molded case circuit breaker.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a rotary operating handle for a molded case circuit breaker comprises a circuit breaker body and a door panel, wherein a first bearing seat is fixedly arranged on the outer side of the circuit breaker body, a second bearing seat is fixedly arranged on the outer side of the door panel, a rotating rod is fixedly arranged inside the second bearing seat, a handle is fixedly arranged on one side, close to the outer part of the door panel, of the rotating rod, a sector plate is fixedly arranged on one side, close to the inner part of the door panel, of the rotating rod, a movable groove is formed in the outer surface, close to the rotating rod, of the first bearing seat, a protruding block is fixedly arranged on the outer surface, close to the second bearing seat, of the rotating rod, a second buckle is fixedly arranged on the inner surface, close to the protruding block, of the door panel, a first buckle is fixedly arranged on the inner, and the inside slidable mounting of first buckle has the bolt, one side fixedly connected with spring that the movable rod is close to first buckle, just one side that the movable rod was kept away from to the spring is connected with the bolt.

Preferably, the dwang is located the inside one side fixedly connected with worm of circuit breaker body, just one side rotation that the circuit breaker body is close to the worm installs first pivot, the outer anchor ring welding that first pivot is close to the worm has the worm wheel, just the fixed surface that first pivot is close to the worm installs the master gear, one side rotation that the circuit breaker body is close to first pivot is installed the second pivot, just the fixed surface that the second pivot is close to the master gear installs the pinion.

Preferably, the outer surface of the second rotating shaft, which is far away from the pinion, is movably provided with a contact ring, and the lower surface of the contact ring is fixedly connected with a series wire.

Preferably, the inside top fixed mounting that the circuit breaker body is close to first bearing frame has the tripper, just tripper and contact ring phase-match, the inside coil that runs through of circuit breaker body is installed.

Preferably, the coils are connected with each other through a contact ring and a series wire.

The utility model provides a moulded case circuit breaker with rotating operating handle, beneficial effect lies in: when the short circuit occurs in the circuit, the switch trips instantly, at the moment, the contact piece is separated from the release, when a maintenance person maintains the circuit, the rotating handle drives the rotating rod to rotate in the first bearing seat, and further the sector plate of the rotating rod positioned in the first bearing seat rotates to the movable groove, the rotating rod is separated from the first bearing seat, and simultaneously the rotating rod is close to the lug fixedly installed on the door panel to rotate, so that the movable rod slidably installed in the second buckle moves, further the bolt slidably installed in the first buckle moves, and then the large-diameter end of the lug slides to the small-diameter end, so that the movable rod moves under the elastic force of the spring, the bolt slidably installed in the first buckle moves towards the lug, the bolt is separated from the outer end of the bolt hole, and then the cabinet door is opened to carry out maintenance work, the operation is simple, when the breaker is in the opening state, the cabinet door can be opened;

after the overhaul is finished, the cabinet door is closed, the rotating rod is placed into the first bearing seat through the sector plate, the handle is rotated to enable the rotating rod to drive the sector plate to be screwed into the movable groove, meanwhile, the rotating rod is close to the lug fixedly installed on the door panel to rotate, the movable rod slidably installed inside the second buckle is enabled to move, the bolt slidably installed inside the first buckle is further driven to move, and then the bolt slides from the small-diameter end to the large-diameter end of the lug, so that the movable rod moves under the elastic force of the spring to drive the bolt slidably installed inside the first buckle to move towards the direction of the bolt hole, the bolt is inserted into the inside of the bolt hole to complete the locking of the cabinet door, the worm inside the circuit breaker body is driven to rotate while the rotating rod rotates, the worm drives the worm wheel to rotate, further the main gear and the worm wheel rotate in the same direction, and further the main gear, the auxiliary gear drives the contact piece to rotate, so that the contact piece is contacted with the release to complete the communication of the circuit, the operation is simple and convenient in the using process of the whole device, and the cabinet door can be locked when the molded case circuit breaker is in a closing state; and meanwhile, when the molded case circuit breaker is in an opening state, the cabinet door is convenient to open, and the use is facilitated.

Drawings

Fig. 1 is a schematic sectional structure view of a rotary operating handle for a molded case circuit breaker according to the present invention;

fig. 2 is a sectional side view of a rotary operating handle for a molded case circuit breaker according to the present invention;

fig. 3 is a top view of a rotary operating handle for a molded case circuit breaker according to the present invention;

fig. 4 is a schematic view of an installation structure of a sector plate of a rotary operating handle for a molded case circuit breaker according to the present invention;

fig. 5 is an enlarged schematic view of a position a of the rotating operation handle for the molded case circuit breaker provided by the present invention.

In the figure: the circuit breaker comprises a circuit breaker body 1, a series conductor 2, a coil 3, a release 4, a first bearing seat 5, a second bearing seat 6, a handle 7, a door panel 8, a bolt 9, a first buckle 10, a rotating rod 11, a worm 12, a worm wheel 13, a main gear 14, a first rotating shaft 15, a pinion 16, a contact ring 17, a second rotating shaft 18, a convex block 19, a movable rod 20, a spring 21, a second buckle 22, a sector plate 23 and a movable groove 24.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-5, a moulded case circuit breaker is with rotating operating handle, including circuit breaker body 1 and door plant 8, the outside fixed mounting of circuit breaker body 1 has primary shaft bearing 5, and the outside fixed mounting of door plant 8 has secondary shaft bearing 6, the inside fixed mounting of secondary shaft bearing 6 has dwang 11, dwang 11 is close to one side fixed mounting of door plant 8 outside and has handle 7, and dwang 11 is close to one side of door plant 8 inside and is fixed with sector plate 23, one side surface that primary shaft bearing 5 is close to dwang 11 is provided with movable groove 24, break away from dwang 11 and sector plate 23 in movable groove 24, when doing benefit to the circuit breaker and being in the separating brake state, be convenient for open the cabinet door and overhaul.

And dwang 11 is close to the fixed surface of second bearing frame 6 and installs lug 19, the fixed surface that door plant 8 is close to lug 19 installs second buckle 22, and door plant 8 is close to second buckle 22 and has first buckle 10 with the same fixed surface of the horizontal position of second buckle 22, the inside slidable mounting of second buckle 22 has movable rod 20, and the inside slidable mounting of first buckle 10 has bolt 9, one side fixedly connected with spring 21 that movable rod 20 is close to first buckle 10, and one side that spring 21 kept away from movable rod 20 is connected with bolt 9, when the circuit breaker of being convenient for is in the combined floodgate state, bolt 9 inserts the locking that the bolt hole realized the cabinet door.

A worm 12 is fixedly connected to one side of the rotating rod 11, which is located inside the circuit breaker body 1, a first rotating shaft 15 is rotatably installed on one side of the circuit breaker body 1, which is close to the worm 12, a worm wheel 13 is welded on the outer annular surface of the first rotating shaft 15, a main gear 14 is fixedly installed on the outer surface of the first rotating shaft 15, which is close to the worm 12, a second rotating shaft 18 is rotatably installed on one side of the circuit breaker body 1, which is close to the first rotating shaft 15, a pinion 16 is fixedly installed on the outer surface of the second rotating shaft 18, which is close to the main gear 14, a contact ring 17 is movably installed on the outer surface of the second rotating shaft 18, which is far away from the pinion 16, a series conductor 2 is fixedly connected to the lower surface of the contact ring 17, a release 4 is fixedly installed on the top end of the inside of the circuit breaker, the coils 3 are connected to each other through the contact ring 17 and the series conductor 2.

The use principle and the advantages are that in the using process of the scheme, when a short circuit occurs to a circuit, a switch trips instantly, at the moment, a contact piece is separated from a release, when a maintenance person maintains the circuit, the rotating handle 7 drives the rotating rod 11 to rotate in the first bearing seat 5, and further when the sector plate 23 of the rotating rod 11 in the first bearing seat 5 rotates to the movable groove 24, the rotating rod 11 is separated from the first bearing seat 5, and meanwhile, the rotating rod 11 is close to the lug 19 fixedly installed on the door panel 8 to rotate, so that the movable rod 20 slidably installed in the second buckle 22 moves, the pin 9 slidably installed in the first buckle 10 is further driven to move, and then the pin 9 slides from the large-diameter end of the lug 19 to the small-diameter end, so that the movable rod 20 moves under the elastic force of the spring 21, the pin 9 slidably installed in the first buckle 10 is driven to move towards the lug 19, and the pin 9 is separated from the, the maintenance work can be carried out by opening the door plate 8, the operation is simple, and the door plate 8 can be opened only when the breaker is in the opening state;

after the overhaul is finished, the door panel 8 is closed, the rotating rod 11 is placed into the first bearing seat 5 through the sector plate 23, the handle 7 is rotated to enable the rotating rod 11 to drive the sector plate 23 to be screwed into the movable groove 24, meanwhile, the rotating rod 11 is close to the lug 19 fixedly installed on the door panel 8 to rotate, the movable rod 20 slidably installed inside the second buckle 22 is enabled to move, the bolt 9 slidably installed inside the first buckle 10 is further driven to move, and then the small-diameter end of the lug 19 slides to the large-diameter end, so that the movable rod 20 moves under the elastic force of the spring 21 to drive the bolt 9 slidably installed inside the first buckle 10 to move towards the direction of the bolt hole, the bolt 9 is inserted into the bolt hole to complete the locking of the door panel 8, the rotating rod 11 rotates and simultaneously drives the worm 12 inside the circuit breaker body 1 to rotate, the worm 12 drives the worm wheel 13 to rotate, and further the main gear 14 and the worm wheel 13 rotate, the further main gear 14 drives the pinion 16 meshed with the main gear to rotate, and the pinion 16 drives the contact piece to rotate, so that the contact piece is contacted with the release 4 to complete the communication of the circuit, therefore, the whole device is simple and convenient to operate in the using process, and the cabinet door can be locked when the molded case circuit breaker is in a closing state; and meanwhile, when the molded case circuit breaker is in an opening state, the cabinet door is convenient to open, and the use is facilitated.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a moulded case circuit breaker is with rotating operating handle, includes circuit breaker body (1) and door plant (8), its characterized in that, the outside fixed mounting of circuit breaker body (1) has primary shaft bearing (5), just the outside fixed mounting of door plant (8) has secondary shaft bearing (6), the inside fixed mounting of secondary shaft bearing (6) has dwang (11), dwang (11) are close to the outside one side fixed mounting of door plant (8) has handle (7), just dwang (11) are close to the inside one side of door plant (8) and are fixed with sector plate (23), primary shaft bearing (5) are close to one side surface of dwang (11) and are provided with movable groove (24), just dwang (11) are close to the outer fixed surface of secondary shaft bearing (6) and install lug (19), door plant (8) are close to the interior fixed surface of lug (19) and install second buckle (22), just door plant (8) are close to second buckle (22) and have first buckle (10) with the same interior fixed surface of horizontal position of second buckle (22), the inside slidable mounting of second buckle (22) has movable rod (20), just the inside slidable mounting of first buckle (10) has bolt (9), one side fixedly connected with spring (21) that movable rod (20) are close to first buckle (10), just one side that movable rod (20) were kept away from in spring (21) is connected with bolt (9).

2. The rotating operation handle for the molded case circuit breaker according to claim 1, wherein the rotating rod (11) is fixedly connected with a worm (12) at one side of the inside of the circuit breaker body (1), and a first rotating shaft (15) is rotatably installed at one side of the circuit breaker body (1) close to the worm (12), a worm wheel (13) is welded at the outer annular surface of the first rotating shaft (15) close to the worm (12), a main gear (14) is fixedly installed at the outer surface of the first rotating shaft (15) close to the worm (12), a second rotating shaft (18) is rotatably installed at one side of the circuit breaker body (1) close to the first rotating shaft (15), and a pinion (16) is fixedly installed at the outer surface of the second rotating shaft (18) close to the main gear (14).

3. The rotary operating handle for the molded case circuit breaker according to claim 2, wherein the outer surface of the second rotating shaft (18) far away from the pinion (16) is movably provided with a contact ring (17), and the lower surface of the contact ring (17) is fixedly connected with the series conductor (2).

4. The rotary operating handle for the molded case circuit breaker according to claim 1, wherein the top end of the inside of the breaker body (1) close to the first bearing seat (5) is fixedly provided with a release (4), the release (4) is matched with the contact ring (17), and the coil (3) is penetratingly arranged in the breaker body (1).

5. A rotary operating handle for a molded case circuit breaker according to claim 4, wherein the coils (3) are connected to each other through the contact ring (17) and the series conductor (2).