CN211828586U

CN211828586U - Conductive contact switch of master controller

Info

Publication number: CN211828586U
Application number: CN202020145128.8U
Authority: CN
Inventors: 刘中堂; 丛树巍; 张晓亮
Original assignee: M Sterling Dalian Industrial Control System Co ltd
Current assignee: M Sterling Dalian Industrial Control System Co ltd
Priority date: 2020-01-22
Filing date: 2020-01-22
Publication date: 2020-10-30
Anticipated expiration: 2030-01-22

Abstract

A conductive contact switch of a master controller belongs to the technical field of mechanical equipment. The utility model comprises a first shell, a second shell, a first roller, a second roller, a first rotating bracket, a second rotating bracket, a first pin, a second pin, a first roller rotating shaft, a second roller rotating shaft, a first fixing bracket, a second fixing bracket, a first conductive copper strip, a second conductive copper strip, a first silver point riveting seat, a second silver point riveting seat, a first spring and a second spring; the first silver point and the second silver point are arranged on the first rotating support and the second rotating support, and the third silver point and the fourth silver point are arranged on the first silver point riveting seat and the second silver point riveting seat. The utility model discloses can clear away the oxide film that the silver point surface of the electrically conductive contact switch of master controller produced because of natural oxidation. And simultaneously, the utility model discloses the structure is simpler, and the assembling process is more simple and convenient, improves life, and reduce cost guarantees its high performance and high stability, safe and reliable.

Description

Conductive contact switch of master controller

Technical Field

The utility model belongs to the technical field of mechanical equipment, a master controller conductive contact switch is related to.

Background

With the continuous development of the basic industry, especially the increasing popularity of mechanical equipment, the demand of the master controller is also increasing. The master controller is also called a master switch and is mainly used in an electric transmission device to switch on and off the contacts in a certain sequence so as to achieve the purposes of issuing commands or interlocking and converting other control circuits. The magnetic starter is suitable for frequently switching on and switching off a circuit, is often matched with a magnetic starter to carry out remote control on starting, braking, speed regulation and reversing of a wound asynchronous motor, and is widely applied to control systems of dragging motors of various hoisting machines.

The conductive contact switch in the traditional master controller is exposed in the air for a long time, so that an oxidation film appears at the silver point position of the conductive contact switch, local power failure is easily caused, and the whole mechanism cannot work and is very dangerous. Therefore, there is a great need to improve existing conductive contact switches to avoid danger.

Disclosure of Invention

The utility model aims at providing a can clear away the conductive contact switch of master controller's silver point surface oxide film, simple structure, assembly are simple and convenient, the conductive contact switch of master controller that is longe-lived, with low costs.

The utility model adopts the technical scheme as follows:

the main order controller conductive contact switch comprises a first shell 1, a second shell 2, a first roller 3, a second roller 4, a first rotating support 5, a second rotating support 6, a first penetrating pin 7, a second penetrating pin 8, a first roller rotating shaft 9, a second roller rotating shaft 10, a first fixing support 11, a second fixing support 12, a first conductive copper strip 13, a second conductive copper strip 14, a first silver point riveting seat 15, a second silver point riveting seat 16, a first spring 17 and a second spring 18; the first rotating bracket 5 is provided with a first silver point 19, the second rotating bracket 6 is provided with a second silver point 20, the first silver point riveting base 15 is provided with a third silver point 21, and the second silver point riveting base 16 is provided with a fourth silver point 22.

First fixing support 11, second fixing support 12, first silver point riveting seat 15 and second silver point riveting seat 16 are firstly installed on first shell 1, then first roller rotating shaft 9 and second roller rotating shaft 10 are fixed on first rotating support 5 and second rotating support 6, first roller 3 and second roller 4 are threaded on first roller rotating shaft 9 and second roller rotating shaft 10, first rotating support 5 and second rotating support 6 are adjusted to be in a concentric state with first fixing support 11 and second fixing support 12, first pin 7 and second pin 8 are threaded through first fixing support 11, second fixing support 12 and first rotating support 5 and second rotating support 6, and first spring 17 and second spring 18 are installed between first rotating support 5, second rotating support 6, first fixing support 11 and second fixing support 12, so that first rotating support 5, The second rotating bracket 6 is fixed. And finally, mounting a first conductive copper strip 13 and a second conductive copper strip 14 on the first fixing support 11, the second fixing support 12, the first rotating support 5 and the second rotating support 6, and fixing the first shell 1 and the second shell 2 by using screws to form a complete contact switch.

The utility model has the advantages that: 1. oxide films generated on the surfaces of silver points of the conductive contact switches of the master controller due to natural oxidation can be removed; 2. the roller and the cam sheet are in rolling friction, so that the loss of the cam sheet is greatly reduced, and the service life of the master controller is prolonged; 3. the structure is simpler, and the assembling process is more simple and convenient, improves life, and reduce cost guarantees its high performance and high stability, safe and reliable.

Drawings

Fig. 1 is a schematic view of the present invention;

fig. 2 is a schematic view of the present invention with the second housing 2 removed;

fig. 3 is a schematic view of the first roller 3;

fig. 4 is a schematic view of the second roller 4;

fig. 5 is a front view of the first rotating bracket 5;

fig. 6 is a left side view of the first rotating bracket 5;

fig. 7 is a front view of the second rotating bracket 6;

fig. 8 is a left side view of the second rotating bracket 6;

fig. 9 is a schematic view of the first through pin 7;

fig. 10 is a schematic view of the second pin 8;

FIG. 11 is a schematic view of the first roller axle 9;

FIG. 12 is a schematic view of the second roller axle 10;

fig. 13 is a front view of the first fixing bracket 11;

fig. 14 is a plan view of the first fixing bracket 11;

fig. 15 is a left side view of the first fixing bracket 11;

fig. 16 is a front view of the second fixing bracket 12;

fig. 17 is a plan view of the second fixing bracket 12;

fig. 18 is a left side view of the second fixing bracket 12;

FIG. 19 is a front view of a first conductive copper strip 13;

FIG. 20 is a top view of the first conductive copper strip 13;

FIG. 21 is a left side view of the first conductive copper strip 13;

FIG. 22 is a front view of the second conductive copper strip 14;

FIG. 23 is a top view of the second conductive copper strip 14;

FIG. 24 is a left side view of the second conductive copper strip 14;

fig. 25 is a front view of the first silver point caulking seat 15;

fig. 26 is a top view of the first silver point caulking seat 15;

fig. 27 is a front view of the second silver point caulking station 16;

fig. 28 is a top view of the second silver point caulking station 16;

fig. 29 is a schematic view of the first spring 17;

FIG. 30 is a schematic view of the second spring 18

In the figure: 1. the first roller is arranged on the first shell, the second shell is arranged on the second shell, the first roller is arranged on the second shell, the second roller is arranged on the second shell, the first rotating support is arranged on the second rotating support, the second rotating support is arranged on the second rotating support, the first pin is arranged on the second rotating support, the second pin is arranged on the second rotating support, the first roller rotating shaft is arranged on the second rotating support, the second rotating support is arranged on the second rotating support.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the following detailed description.

The main order controller conductive contact switch comprises a first shell 1, a second shell 2, a first roller 3, a second roller 4, a first rotating support 5, a second rotating support 6, a first penetrating pin 7, a second penetrating pin 8, a first roller rotating shaft 9, a second roller rotating shaft 10, a first fixing support 11, a second fixing support 12, a first conductive copper strip 13, a second conductive copper strip 14, a first silver point riveting seat 15, a second silver point riveting seat 16, a first spring 17, a second spring 18, a first silver point 19, a second silver point 20, a third silver point 21 and a fourth silver point 22; the first rotating bracket 5 is provided with a first silver point 19, the second rotating bracket 6 is provided with a second silver point 20, the first silver point riveting base 15 is provided with a third silver point 21, and the second silver point riveting base 16 is provided with a fourth silver point 22.

When the master controller works, the handle bar of the master controller is pushed, the cam sheets contacted with the first roller 3 and the second roller 4 move along with the direction of the handle bar, the first roller 3 and the second roller 4 are squeezed open, and the contact surfaces of the first silver point 19 and the second silver point 20 on the first rotating bracket 5 and the second rotating bracket 6, the third silver point 21 and the fourth silver point 22 on the first silver point riveting seat 15 and the second silver point riveting seat 16 are separated. When the specified position is reached, the first rotating bracket 5 and the second rotating bracket 6 are rebounded under the rebounding force of the first spring 17 and the second spring 18, and after the first silver point riveting seat 15 and the second silver point riveting seat 16 are contacted, a very slow upward creeping motion is continued. At this time, the first and second rotating

brackets

5 and 6 return to the initial state, and the movement is finished. If the surfaces of the first silver point 19, the second silver point 20, the third silver point 21 and the fourth silver point 22 are provided with oxide films, the oxide films are mutually wiped off in the just-previous movement process, so that the smooth operation of the mechanism is ensured.

Claims

1. A conductive contact switch of a master controller comprises a first shell (1), a second shell (2), and is characterized by further comprising a first roller (3), a second roller (4), a first rotating support (5), a second rotating support (6), a first penetrating pin (7), a second penetrating pin (8), a first roller rotating shaft (9), a second roller rotating shaft (10), a first fixing support (11), a second fixing support (12), a first conductive copper strip (13), a second conductive copper strip (14), a first silver point riveting seat (15), a second silver point riveting seat (16), a first spring (17) and a second spring (18); a first silver point (19) is arranged on the first rotating bracket (5), a second silver point (20) is arranged on the second rotating bracket (6), a third silver point (21) is arranged on the first silver point riveting seat (15), and a fourth silver point (22) is arranged on the second silver point riveting seat (16); a first fixing support (11), a second fixing support (12), a first silver point riveting base (15) and a second silver point riveting base (16) are installed on the first shell (1), a first roller rotating shaft (9) and a second roller rotating shaft (10) are fixed on the first rotating support (5) and the second rotating support (6), a first roller (3) and a second roller (4) penetrate through the first roller rotating shaft (9) and the second roller rotating shaft (10), a first penetrating pin (7) and a second penetrating pin (8) penetrate through the first fixing support (11), the second fixing support (12), the first rotating support (5) and the second rotating support (6), and a first spring (17) and a second spring (18) are installed between the first rotating support (5), the second rotating support (6), the first fixing support (11) and the second fixing support (12); the first conductive copper strip (13) and the second conductive copper strip (14) are arranged on the first fixed support (11), the second fixed support (12), the first rotating support (5) and the second rotating support (6), and the second shell (2) is fixedly connected with the first shell (1).