CN219832441U - Grounding switch - Google Patents

Abstract

The utility model discloses a grounding switch, which comprises a grounding copper bar, a moving contact and a rotating rod, wherein the rotating rod is connected with the moving contact, the rotating rod is used for releasing or disconnecting the moving contact from the grounding copper bar, the grounding copper bar is fixedly arranged on a rack, a contact plate is arranged on the grounding copper bar and clamped by the moving contact, a tail plate is arranged at the tail end of the moving contact, and the tail plate is arranged on the rotating rod; when the movable contact is used, the rotating rod is rotated, so that the movable contact rotates, the contact plate on the grounding copper bar is clamped by the movable contact, and the movable contact has the advantages of flexible opening and closing and high reliability.

Description

Grounding switch

Technical Field

The utility model relates to the field of power distribution equipment, in particular to a grounding switch.

Background

The grounding switch is used for grounding the switch cabinet when the high-voltage switch cabinet and the circuit thereof are overhauled, meanwhile, short-circuit faults possibly exist in the circuit, the grounding switch needs to quickly ground the switch cabinet, the closing speed of the existing grounding switch is low, and the use is affected.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the embodiment of the utility model provides a grounding switch, which comprises a grounding copper bar, a moving contact and a rotating rod, wherein the rotating rod is connected with the moving contact, the rotating rod is used for releasing or disconnecting the moving contact from the grounding copper bar, the grounding copper bar is fixedly arranged on a frame, a contact plate is arranged on the grounding copper bar and clamped by the moving contact, a tail plate is arranged at the tail end of the moving contact, and the tail plate is arranged on the rotating rod.

According to some embodiments of the utility model, the frame is rotatably provided with a base, the lower part of the tail plate is rotatably provided with a top seat, and a spring is arranged between the top seat and the base.

According to some embodiments of the utility model, the top base is provided with a bump; the limiting plate is arranged on the rotating rod, a first limiting hook and a second limiting hook are respectively arranged at the lower edge of the limiting plate, an arc-shaped edge is formed between the first limiting hook and the second limiting hook, and the protruding block moves reciprocally along the arc-shaped edge.

According to some embodiments of the utility model, the moving contact comprises two sub-contact plates, a fixing screw is arranged in the middle of each sub-contact plate, pressing pieces are respectively arranged at two ends of each fixing screw, an elastic piece is arranged between each pressing piece and each sub-contact plate, and the elastic pieces are sleeved on the fixing screws.

According to some embodiments of the present utility model, the tail plate is clamped between the tail ends of the two sub-touch plates, the tail ends of the two sub-touch plates are further clamped with U-shaped clamping pieces, and fixing rods are inserted among the sub-touch plates, the tail plates and the U-shaped clamping pieces.

According to some embodiments of the utility model, the fixing rod is sleeved with an insulating sleeve.

The utility model has at least the following beneficial effects:

when the movable contact is used, the rotating rod is rotated, so that the movable contact rotates, the contact plate on the grounding copper bar is clamped by the movable contact, and the movable contact has the advantages of flexible opening and closing and high reliability.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is an overall schematic of an embodiment of the present utility model;

FIG. 2 is an enlarged schematic view of FIG. 1A;

FIG. 3 is a schematic diagram of a moving contact according to an embodiment of the present utility model;

fig. 4 is a schematic cross-sectional view of a moving contact according to an embodiment of the present utility model.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

Referring to fig. 1, a grounding switch includes a grounding copper bar 100, a moving contact 200, and a rotating rod 300, wherein the rotating rod 300 is connected with the moving contact 200, the rotating rod 300 is used for releasing or disconnecting the moving contact 200 from the grounding copper bar 100, the grounding copper bar 100 is fixedly mounted on a frame 400, a contact plate 110 is mounted on the grounding copper bar 100, the contact plate 110 is clamped by the moving contact 200, a tail plate 500 is mounted at the tail end of the moving contact 200, and the tail plate 500 is mounted on the rotating rod 300; when the movable contact is used, the rotating rod is rotated, so that the movable contact rotates, the contact plate on the grounding copper bar is clamped by the movable contact, and the movable contact has the advantages of flexible opening and closing and high reliability.

Referring to fig. 2, a base 410 is rotatably installed on the frame 400, a top seat 420 is rotatably installed at the lower portion of the tail plate 500, a spring 430 is installed between the top seat 420 and the base 410, and the top seat 420 compresses the spring 430 when the movable contact 200 is released from clamping the contact plate 110; when the rotating lever 300 is rotated again, the elastic force of the spring 430 assists the moving contact 200 to move upward and clamp the contact plate 110.

A bump 421 is provided on the top base 420; the limiting plate 600 is arranged on the rotating rod 300, a first limiting hook 610 and a second limiting hook 620 are respectively arranged at the lower edge of the limiting plate 600, the first limiting hook 610 pushes the lug 421, the second limiting hook 620 presses down the lug 421, an arc-shaped edge is formed between the first limiting hook 610 and the second limiting hook 620, and the lug 421 moves back and forth along the arc-shaped edge.

Referring to fig. 4, the moving contact 200 includes two sub-contact plates 210, a fixing screw 220 is mounted in the middle of each sub-contact plate 210, pressing plates 230 are mounted at two ends of each fixing screw 220, and elastic members are arranged between the pressing plates 230 and the sub-contact plates 210 and sleeved on the fixing screws 220 to ensure that the two sub-contact plates 210 can clamp the contact plates, so as to avoid poor contact.

Referring to fig. 4, in the present embodiment, the tail board 500 is clamped between the tail ends of the two sub-contact boards 210, the U-shaped clamping piece 700 is further clamped on the tail ends of the two sub-contact boards 210, the clamping force is improved by the U-shaped clamping piece 700, and the fixing rod 800 is inserted between the sub-contact boards 210, the tail board 500 and the U-shaped clamping piece 700.

To ensure insulation, an insulation sleeve is sleeved on the fixing rod 800.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims (1)

1. The grounding switch is characterized by comprising a grounding copper bar (100), a moving contact (200) and a rotating rod (300), wherein the rotating rod (300) is connected with the moving contact (200), the rotating rod (300) is used for releasing or disconnecting the moving contact (200) from the grounding copper bar (100), the grounding copper bar (100) is fixedly arranged on a rack (400), a contact plate (110) is arranged on the grounding copper bar (100), the contact plate (110) is clamped by the moving contact (200), a tail plate (500) is arranged at the tail end of the moving contact (200), and the tail plate (500) is arranged on the rotating rod (300);

a base (410) is rotatably arranged on the frame (400), a top seat (420) is rotatably arranged at the lower part of the tail plate (500), and a spring (430) is arranged between the top seat (420) and the base (410);

the top seat (420) is provided with a convex block (421); the rotary rod (300) is provided with a limiting plate (600), the lower edge of the limiting plate (600) is respectively provided with a first limiting hook (610) and a second limiting hook (620), an arc-shaped edge is formed between the first limiting hook (610) and the second limiting hook (620), and the lug (421) moves back and forth along the arc-shaped edge;

the movable contact (200) comprises two sub-contact plates (210), wherein fixing screws (220) are arranged in the middle of the two sub-contact plates (210), pressing pieces (230) are respectively arranged at two ends of each fixing screw (220), elastic pieces are arranged between the pressing pieces (230) and the sub-contact plates (210), and the elastic pieces are sleeved on the fixing screws (220);

the tail plates (500) are clamped between the tail ends of the two sub-contact plates (210), U-shaped clamping pieces (700) are also clamped on the tail ends of the two sub-contact plates (210), and fixing rods (800) are inserted among the sub-contact plates (210), the tail plates (500) and the U-shaped clamping pieces (700);

an insulating sleeve is sleeved on the fixing rod (800).