CN220439529U - Operating mechanism of circuit breaker - Google Patents

Abstract

The utility model relates to the technical field of circuit breakers, in particular to an operating mechanism of a circuit breaker, which is a mounting plate of the utility model, wherein a handle seat is arranged at the center of an inner cavity of the mounting plate, a connecting rod is arranged in the handle seat and is rotationally connected with the handle seat, one end of the connecting rod is fixedly connected with a driving rod which is used for driving an opening and closing gate of the circuit breaker, the other end of the connecting rod is fixedly connected with a handle rod, one end of the handle rod, which is far away from the connecting rod, is provided with a movable rod, two sides of the mounting plate are fixedly connected with positioning blocks, and the movable rod is fixedly connected with the positioning blocks; according to the utility model, the positioning block is arranged, one end of the handle rod is rotationally connected with the movable rod, after the handle rod rotates, the rotating rod can be turned inwards, the insert at the bottom of the rotating rod can be inserted into the slot, meanwhile, the locking mechanism can penetrate through the limiting hole, and then the movable rotating shaft is rotated, so that the locking plate is staggered with the limiting hole, and the handle rod can be fixed, so that misoperation is prevented.

Description

Operating mechanism of circuit breaker

Technical Field

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

Background

At present, a plurality of circuit breakers are used in a matched mode for underground coal mine explosion-proof electrical equipment, and the circuit breakers are installed in an explosion-proof box body to conduct on-off operation. The breaker is connected with a handle outside the explosion-proof box body through an operating mechanism (connecting rod) of the breaker, so that the breaker is turned off or closed.

In underground coal mines, due to dust and noise pollution, the operation environment is bad, and when operators are unfamiliar with the operation flow or fail to operate according to the operation flow strictly, misoperation can be performed on the circuit breaker, so that safety accidents are caused.

Disclosure of Invention

The utility model aims to provide an operating mechanism of a circuit breaker, which solves the problems in the background art.

The aim of the utility model can be achieved by the following technical scheme:

the utility model provides an operating device of circuit breaker, includes the mounting panel, the inner chamber center department of mounting panel is provided with the handle seat, is provided with the connecting rod in the handle seat, and the connecting rod rotates with the handle seat and link to each other, and the one end of connecting rod is fixed to be connected with the actuating lever, and the actuating lever is used for driving the floodgate that opens and shuts of circuit breaker, and the other end of connecting rod is fixed to be connected with the handle pole, and the one end that the connecting rod was kept away from to the handle pole is provided with the movable rod, and the both sides of mounting panel are all fixed to be connected with the locating piece, and the movable rod is fixed to link to each other with the locating piece.

Further, the one end that handle pole kept away from the handle seat is seted up flutedly, and the one end centre gripping of movable rod is in the recess, and the surface of movable rod is provided with fixed pivot, and the movable rod passes through fixed pivot and handle pole and rotates continuously.

Further, the movable rod comprises a rotating rod, one end of the rotating rod is rotationally connected with the handle rod through a fixed rotating shaft, the other end of the rotating rod is fixedly connected with an inserting block, a slot matched with the inserting block is formed in the surface of the positioning block, and the inserting block is inserted into the slot.

Further, a locking mechanism is arranged in the slot and is rotationally connected with the inner side wall of the slot, a limiting hole matched with the locking mechanism is formed in the surface of the plug block, and the locking mechanism is connected with the plug block in a clamping mode.

Further, the locking mechanism comprises a movable rotating shaft, one end of the movable rotating shaft is rotationally connected with the inner side wall of the slot, the other end of the movable rotating shaft is fixedly connected with a locking plate, and the locking plate can penetrate through the insert block through the limiting hole.

Furthermore, a fixed baffle is further arranged on one side of the positioning block, and the fixed baffle is fixed on the surface of the mounting plate.

The utility model has the beneficial effects that:

according to the utility model, the positioning blocks are arranged on both sides of the handle rod, the movable rod is rotatably connected with one end of the handle rod, after the handle rod is rotated, the rotating rod can be turned inwards, the insert at the bottom of the rotating rod can be inserted into the slot, meanwhile, the locking mechanism can penetrate through the limiting hole, and then the movable rotating shaft is rotated, so that the locking plate is staggered with the limiting hole, and the handle rod can be fixed, thereby preventing misoperation.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described, and it will be obvious to those skilled in the art that other drawings can be obtained according to these drawings without inventive effort;

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

FIG. 2 is a schematic view showing the structure of a fixing plate according to the present utility model;

FIG. 3 is a schematic view of the connection of the movable rod and the positioning block according to the present utility model.

Reference numerals in the drawings are as follows:

1. a mounting plate; 2. a handle seat; 3. a connecting rod; 4. a driving rod; 5. a handle bar; 51. fixing the rotating shaft; 6. a movable rod; 61. a rotating rod; 62. inserting blocks; 63. a limiting hole; 7. a positioning block; 71. a slot; 8. a locking mechanism; 81. a movable rotating shaft; 82. a locking plate; 9. and fixing the baffle.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, an operating mechanism of a circuit breaker comprises a mounting plate 1, a handle seat 2 is arranged at the center of an inner cavity of the mounting plate 1, a connecting rod 3 is arranged in the handle seat 2, the connecting rod 3 is rotationally connected with the handle seat 2, one end of the connecting rod 3 is fixedly connected with a driving rod 4, the driving rod 4 is used for driving an opening and closing gate of the circuit breaker, the other end of the connecting rod 3 is fixedly connected with a handle rod 5, a user can drive the driving rod 4 to rotate through the connecting rod 3 by holding the handle rod 5 and then rotating, so that the opening and closing gate of the circuit breaker is completed, one end of the handle rod 5 far away from the connecting rod 3 is provided with a movable rod 6, positioning blocks 7 are fixedly connected to two sides of the mounting plate 1, after the opening and closing gate of the circuit breaker is completed, the movable rod 6 can be inserted into the positioning blocks 7, and the handle rod 5 is locked by fixedly connecting the movable rod 6 with the positioning blocks 7, so that other people can be prevented from misoperation.

The one end that handle pole 5 kept away from handle seat 2 is seted up flutedly, and the one end centre gripping of movable rod 6 is in the recess, and the surface of movable rod 6 is provided with fixed pivot 51, and movable rod 6 rotates through fixed pivot 51 and handle pole 5 and link to each other, after operating handle pole 5, just can overturn movable rod 6 downwards for movable rod 6 inserts in locating piece 7 and fixes, can prevent to let the maloperation.

The movable rod 6 comprises a rotary rod 61, one end of the rotary rod 61 is rotationally connected with the handle rod 5 through a fixed rotary shaft 51, the other end of the rotary rod 61 is fixedly connected with an inserting block 62, an inserting groove 71 matched with the inserting block 62 is formed in the surface of the positioning block 7, the inserting block 62 is inserted into the inserting groove 71, the handle rod 5 is firstly operated to complete opening or closing of a circuit breaker, then the rotary rod 61 can be rotated inwards, and after the rotary rod is rotated to 90 degrees, the inserting block 62 can be inserted into the inserting groove 71 in the surface of the positioning block 7, so that the handle rod 5 is fixed.

The slot 71 is internally provided with the locking mechanism 8, the locking mechanism 8 is rotationally connected with the inner side wall of the slot 71, the surface of the insert block 62 is provided with a limiting hole 63 matched with the locking mechanism 8, when the rotating rod 61 is rotated inwards, the locking mechanism 8 can be inserted along the limiting hole 63, then the locking mechanism 8 can pass through the limiting hole 63, the locking mechanism 8 can rotate, and thus, the locking mechanism 8 can be clamped with the insert block 62 by rotating the locking mechanism 8, and the insert block 62 and the positioning block 7 are fixed together.

The locking mechanism 8 comprises a movable rotating shaft 81, one end of the movable rotating shaft 81 is rotationally connected with the inner side wall of the slot 71, the other end of the movable rotating shaft 81 is fixedly connected with a locking plate 82, the locking plate 82 is rectangular, the limiting hole 63 is also rectangular, the locking plate 82 can penetrate through the limiting hole 63, and then the locking plate 82 is rotated, so that the locking plate 82 and the limiting hole 63 are staggered mutually to finish locking.

The bottom of locating piece 7 still is provided with fixed stop plate 9, and fixed stop plate 9 is fixed in the surface of mounting panel 1, and fixed stop plate 9 is used for spacing handle pole 5, can only let handle pole 5 rotate certain angle, prevents handle pole 5 excessive rotation, leads to causing the destruction to handle pole 5.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims (6)

1. The utility model provides an operating device of circuit breaker, includes mounting panel (1), its characterized in that, the inner chamber center department of mounting panel (1) is provided with handle seat (2), be provided with connecting rod (3) in handle seat (2), and connecting rod (3) are rotated with handle seat (2) and are linked together, the fixed actuating lever (4) that is connected with of one end of connecting rod (3), actuating lever (4) are used for driving the switching-on and switching-off of circuit breaker, the other end of connecting rod (3) is fixed to be connected with handle pole (5), the one end that connecting rod (3) was kept away from to handle pole (5) is provided with movable rod (6), the both sides of mounting panel (1) are all fixed to be connected with locating piece (7), and movable rod (6) are fixed to link to each other with locating piece (7).

2. The operating mechanism of a circuit breaker according to claim 1, characterized in that one end of the handle rod (5) far away from the handle seat (2) is provided with a groove, one end of the movable rod (6) is clamped in the groove, the surface of the movable rod (6) is provided with a fixed rotating shaft (51), and the movable rod (6) is rotationally connected with the handle rod (5) through the fixed rotating shaft (51).

3. The operating mechanism of a circuit breaker according to claim 2, wherein the movable rod (6) comprises a rotating rod (61), one end of the rotating rod (61) is rotationally connected with the handle rod (5) through a fixed rotating shaft (51), the other end of the rotating rod (61) is fixedly connected with an inserting block (62), a slot (71) matched with the inserting block (62) is formed in the surface of the positioning block (7), and the inserting block (62) is inserted into the slot (71).

4. The operating mechanism of the circuit breaker according to claim 3, wherein a locking mechanism (8) is arranged in the slot (71), the locking mechanism (8) is rotatably connected with the inner side wall of the slot (71), a limiting hole (63) matched with the locking mechanism (8) is formed in the surface of the plug (62), and the locking mechanism (8) is clamped with the plug (62).

5. The operating mechanism of a circuit breaker according to claim 4, wherein the locking mechanism (8) comprises a movable rotating shaft (81), one end of the movable rotating shaft (81) is rotatably connected with the inner side wall of the slot (71), the other end of the movable rotating shaft (81) is fixedly connected with a locking plate (82), and the locking plate (82) can penetrate through the insertion block (62) through the limiting hole (63).

6. The operating mechanism of a circuit breaker according to claim 1, characterized in that a fixed baffle (9) is further provided on one side of the positioning block (7), the fixed baffle (9) being fixed to the surface of the mounting plate (1).