CN220420510U - Circuit breaker with locking mechanism - Google Patents

Abstract

The utility model relates to the technical field of circuit breakers, and discloses a circuit breaker with a locking mechanism, which comprises a circuit breaker, a protection frame and a partition plate, wherein a support column is fixedly arranged on the surface of the protection frame, a control assembly is arranged in the partition plate, and the control assembly comprises: fixed frame, extension board, horizontal piece and locking piece, this circuit breaker with locking mechanical system, through being provided with control assembly, press the bull stick, the extension board on bull stick surface removes under the support of spring one, the lug atress slides, the movable lever turns over, the lug slides to the top from the bottom of heart type spout and fixes, the L type pole that the extension board surface was fixed supports the triangular pole simultaneously, the triangular pole atress removes, drive the movable lever and remove, the movable lever will block in the through-hole in the protection frame with the card pole card, fix the protection frame, then can accomplish the quick locking to the circuit breaker, avoid the circuit breaker to take place the condition of skew when the installation.

Description

Circuit breaker with locking mechanism

Technical Field

The utility model relates to the technical field of circuit breakers, in particular to a circuit breaker with a locking mechanism.

Background

The circuit breaker is an electrical component for protecting the safety of a circuit, and is mainly used for automatically cutting off the power supply when the circuit is interrupted, overloaded or short-circuited so as to protect the safety of electrical equipment and people. The circuit breaker can be classified into a low-voltage circuit breaker and a high-voltage circuit breaker according to the use position thereof, and can be also classified into an air circuit breaker, an oil pool circuit breaker, a vacuum circuit breaker, an SF6 circuit breaker and the like according to the structure and the use mode thereof. The main characteristics of the circuit breaker are that the circuit breaker has the capability of cutting off current rapidly, higher breaking power and breaking distance, higher bearing capability of short-circuit current and the like.

When the existing circuit breaker is installed with the wallboard, the circuit breaker and the wallboard are separated by the partition board, the partition board and the circuit breaker are installed by the screw, but the installation of the circuit breaker is easy to deviate due to the screw fixation, the follow-up maintenance and disassembly of the circuit breaker are complicated and time-consuming, and aiming at the problem, the circuit breaker with the locking mechanism is provided.

Disclosure of Invention

The present utility model is directed to a circuit breaker with a locking mechanism, which solves the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a circuit breaker with locking mechanical system, includes circuit breaker, protection frame and baffle, the surface fixed mounting of protection frame has the pillar, be provided with control assembly in the baffle, control assembly includes: the fixing frame is fixedly arranged on the inner wall of the partition plate and is penetrated by the rotating rod, and a cross rod is fixedly arranged on the surface of the rotating rod; the surface of the support plate is rotationally connected with the rotating rod, a heart-shaped sliding groove is formed in the surface of the support plate, a support block is fixedly arranged on the surface of the support plate, and the support block is in sliding connection with the inner wall of the fixed frame; the transverse block is fixedly arranged on the inner wall of the fixed frame, the surface of the transverse block is fixedly connected with one end of the first spring, and the other end of the first spring is fixedly arranged on the surface of the support plate; the locking piece, still include the locking piece in the control assembly, fix the protection frame, then can accomplish the quick locking to the circuit breaker, avoid the circuit breaker to take place the condition of skew when the installation.

Preferably, the surface of the fixed frame is provided with a transverse groove, and the arrangement of the transverse groove can limit the downward pressing of the rotating rod.

Preferably, the surface of the protection frame is provided with a through hole, and the protection frame can be locked by the arrangement of the through hole.

Preferably, the locking member includes: the movable rod is hinged with the surface of the transverse block, a lug is fixedly arranged on the surface of the movable rod, the lug is in sliding connection with the inner wall of the heart-shaped chute, and when the movable rod is stressed, the movable rod can be folded on the surface of the transverse block.

Preferably, the surface fixed mounting of extension board has L type pole, the surface laminating of L type pole and triangular pole, triangular pole runs through fixed frame and with fixed frame sliding connection, the surface of fixed frame and the one end fixed connection of spring two, the other end fixed mounting of spring two is on the surface of triangular pole, the surface fixed mounting of triangular pole has the movable rod, the surface fixed mounting of movable rod has the draw-in bar, and the triangular pole can remove under the support of spring two.

Preferably, the triangular rod has a parallelogram cross section, and the design of the parallelogram cross section can convert the downward force of the L-shaped rod.

Compared with the prior art, the utility model provides the circuit breaker with the locking mechanism, which has the following beneficial effects:

1. this circuit breaker with locking mechanical system, through being provided with control assembly, press the bull stick, the extension board on bull stick surface removes under the support of spring one, the lug atress slides, the movable rod turns over, the lug slides to the top from the bottom of heart type spout and fixes, the L type pole that the extension board surface was fixed supports the triangular pole simultaneously, the triangular pole atress removes, drive the movable rod and remove, the movable rod is gone into the through-hole in the protection frame with the card pole card, fix the protection frame, then can accomplish the quick locking to the circuit breaker, avoid the circuit breaker to take place the condition of skew when the installation.

2. This circuit breaker with locking mechanical system through setting up the pillar, and the pillar is mutually supported with the protection frame, can shelter from the upper and lower of circuit breaker, and the left and right sides then the circuit breaker can not take place the condition that drops after the installation to the stability of device has been improved.

Drawings

FIG. 1 is a schematic elevational view of the present utility model;

FIG. 2 is a schematic diagram of a front cross-sectional structure of the present utility model;

FIG. 3 is a schematic view of a partial front sectional structure of the present utility model;

FIG. 4 is a schematic diagram of a control assembly according to the present utility model.

In the figure: 1. a circuit breaker; 2. a partition plate; 3. a protective frame; 4. a support post; 5. a control assembly; 51. a fixed frame; 52. a rotating rod; 53. a cross bar; 54. a support plate; 55. a heart-shaped chute; 56. a support block; 57. a first spring; 58. a transverse block; 59. a locking member; 591. a movable rod; 592. a bump; 593. an L-shaped rod; 594. a triangular bar; 595. a second spring; 596. a moving rod; 597. and (5) clamping the rod.

Detailed Description

As shown in fig. 1-4, the present utility model provides a technical solution: a circuit breaker with a locking mechanism comprises a circuit breaker 1, a protection frame 3 and a partition plate 2, wherein a support column 4 is fixedly arranged on the surface of the protection frame 3, and a control assembly 5 is arranged in the partition plate 2.

The control assembly 5 comprises: the fixed frame 51 is fixedly arranged on the inner wall of the partition board 2, the fixed frame 51 is penetrated by the rotating rod 52, and a cross rod 53 is fixedly arranged on the surface of the rotating rod 52; the support plate 54, the surface of the support plate 54 is rotatably connected with the rotating rod 52, a heart-shaped chute 55 is arranged on the surface of the support plate 54, a support block 56 is fixedly arranged on the surface of the support plate 54, and the support block 56 is in sliding connection with the inner wall of the fixed frame 51; the transverse block 58 is fixedly arranged on the inner wall of the fixed frame 51, the surface of the transverse block 58 is fixedly connected with one end of the first spring 57, and the other end of the first spring 57 is fixedly arranged on the surface of the support plate 54; the locking piece 59, still include locking piece 59 in the control assembly 5, press the bull stick 52, the extension board 54 on bull stick 52 surface moves under the support of spring one 57, lug 592 atress slides, movable rod 591 turns over, lug 592 slides to the top from the bottom of heart spout 55 and fixes, the L type pole 593 that the extension board 54 surface was fixed supports triangular pole 594 simultaneously, triangular pole 594 atress moves, drive movable rod 596 and remove, movable rod 596 will block pole 597 in the through-hole in the protection frame 3, fix the protection frame 3, then can accomplish the quick locking to circuit breaker 1, avoid circuit breaker 1 to take place the skew condition when the installation.

The surface of the fixed frame 51 is provided with a transverse groove, and the transverse groove can limit the downward pressing of the rotating rod 52.

Through holes are formed in the surface of the protective frame 3, and the protective frame 3 can be locked through the through holes.

The locking member 59 includes: the movable rod 591, the movable rod 591 is hinged with the surface of the transverse block 58, the surface of the movable rod 591 is fixedly provided with a bump 592, the bump 592 is in sliding connection with the inner wall of the heart-shaped chute 55, and when the movable rod 591 is stressed, the surface of the transverse block 58 can be folded

The surface fixed mounting of extension board 54 has L type pole 593, the surface laminating of L type pole 593 and the surface of triangular pole 594, triangular pole 594 runs through fixed frame 51 and with fixed frame 51 sliding connection, the surface of fixed frame 51 and the one end fixed connection of spring two 595, the other end fixed mounting of spring two 595 is on the surface of triangular pole 594, the surface fixed mounting of triangular pole 594 has movable rod 596, the surface fixed mounting of movable rod 596 has clamping rod 597, when L type pole 593 removed, triangular pole 594 can remove under the support of spring two 595.

The triangular rod 594 has a parallelogram cross-sectional shape, and the parallelogram cross-sectional design converts the downward force of the L-shaped rod 593.

In the utility model, when the circuit breaker 1 to be installed is placed in the protective frame 3, the support posts 4 fixed on the surface of the protective frame 3 shield the two sides of the circuit breaker 1, after the circuit breaker is placed, the protective frame 3 is attached to the surface of the partition plate 2, then the rotating rod 52 is rotated to enable the cross rod 53 fixed on the surface of the rotating rod 52 to be parallel to the transverse groove on the surface of the fixed frame 51, after the rotating rod 52 is pressed, the support plate 54 on the surface of the rotating rod 52 moves under the support of the spring I57, the convex blocks 592 slide in the heart-shaped chute 55, the movable rod 591 is folded when sliding, the convex blocks 592 slide from the bottom of the heart-shaped chute 55 to the top to be fixed, meanwhile, when the support plate 54 moves downwards, the L-shaped rod 593 synchronously moves downwards, the surface of the triangular rod 594 is touched, when the triangular rod 594 moves under the stress, the triangular rod 594 can drive the movable rod 596 to synchronously move, the movable rod 596 clamps the clamp rod 597 into the protective frame 55, and the circuit breaker is locked again when the circuit breaker is locked again, and the circuit breaker is locked again when the circuit breaker is required to be locked again from the bottom of the protective frame 55, and the circuit breaker is locked again, and the circuit breaker is required to be locked and the top is opened.

The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.

Claims (6)

1. The utility model provides a circuit breaker with locking mechanical system, includes circuit breaker (1), protection frame (3) and baffle (2), its characterized in that: the surface fixed mounting of protection frame (3) has pillar (4), be provided with control assembly (5) in baffle (2), control assembly (5) include:

the fixing frame (51) is fixedly arranged on the inner wall of the partition board (2), the fixing frame (51) is penetrated by a rotating rod (52), and a cross rod (53) is fixedly arranged on the surface of the rotating rod (52);

the support plate (54), the surface of the support plate (54) is rotationally connected with the rotating rod (52), a heart-shaped chute (55) is formed in the surface of the support plate (54), a support block (56) is fixedly arranged on the surface of the support plate (54), and the support block (56) is in sliding connection with the inner wall of the fixed frame (51);

the transverse block (58) is fixedly arranged on the inner wall of the fixed frame (51), the surface of the transverse block (58) is fixedly connected with one end of the first spring (57), and the other end of the first spring (57) is fixedly arranged on the surface of the support plate (54);

and the control assembly (5) further comprises a locking piece (59).

2. A circuit breaker with locking mechanism as claimed in claim 1, wherein: the surface of the fixed frame (51) is provided with a transverse groove.

3. A circuit breaker with locking mechanism as claimed in claim 1, wherein: the surface of the protection frame (3) is provided with a through hole.

4. A circuit breaker with locking mechanism as claimed in claim 1, wherein: the locking member (59) includes: the movable rod (591), the surface of movable rod (591) and horizontal piece (58) articulates, the surface fixed mounting of movable rod (591) has lug (592), the inner wall sliding connection of lug (592) and heart-shaped spout (55).

5. A circuit breaker with locking mechanism as claimed in claim 1, wherein: the surface fixed mounting of extension board (54) has L type pole (593), the surface laminating of L type pole (593) and triangular pole (594), triangular pole (594) run through fixed frame (51) and with fixed frame (51) sliding connection, the surface of fixed frame (51) and the one end fixed connection of spring two (595), the other end fixed mounting of spring two (595) is on the surface of triangular pole (594), the surface fixed mounting of triangular pole (594) has movable rod (596), the surface fixed mounting of movable rod (596) has clamping rod (597).

6. The circuit breaker with locking mechanism of claim 5, wherein: the triangular rod (594) has a parallelogram cross-sectional shape.