CN212161615U

CN212161615U - Movable contact subassembly that can overturn

Info

Publication number: CN212161615U
Application number: CN202020859747.3U
Authority: CN
Inventors: 杜建中; 姚相东
Original assignee: Yancheng Kunde Electric Co ltd
Current assignee: Yancheng Kunde Electric Co ltd
Priority date: 2020-05-21
Filing date: 2020-05-21
Publication date: 2020-12-15
Anticipated expiration: 2030-05-21

Abstract

The utility model discloses a movable contact subassembly that can overturn, including contact subassembly storage shell, contact subassembly storage shell upside is provided with drive arrangement, and drive arrangement downside output rotates and is connected with the pivot, the pivot is rotated and is connected with contact subassembly storage shell, and is fixed with the static contact connecting plate on the contact subassembly storage shell inner wall, be fixed with the moving contact connecting plate on the pivot outer wall, the last spring shaft one end of static contact connecting plate is fixed with the static contact, the last spring shaft one end of moving contact connecting plate is fixed with the moving contact. The rotating shaft rotates under the auxiliary action of the driving device, the rotating shaft can drive the moving contact piece on the moving contact connecting plate to overturn, and finally the moving contact piece is contacted with the static contact piece, so that the pressure when the moving contact piece is contacted with the static contact piece is the same, and the service life of the device cannot be influenced due to overhigh or overlow artificial pressure.

Description

Movable contact subassembly that can overturn

Technical Field

The utility model relates to a moving contact technical field specifically is a movable contact subassembly that can overturn.

Background

The contact is one of the key components of the switching electric appliance, and the main performance and the service life of the switching electric appliance are greatly determined by the quality of the contact material. Contact materials are generally required to have good electrical conductivity, low contact resistance, high fusion welding resistance, high resistance to arc erosion, and resistance to material transfer, for vacuum contact materials.

The existing moving contact component mostly drives a moving contact to be in contact with a fixed contact in a manual mode during working, so that the device can work normally, but the pressure cannot be well controlled due to manual pressing during manual operation, poor contact is easily caused due to too small pressure, and unnecessary loss is caused due to the fact that the service life of the moving contact component is shortened due to too large pressure.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a movable contact subassembly that can overturn to current movable contact subassembly that proposes in solving above-mentioned background art drives moving contact and static contact through the manual form of people for the most at the during operation, because of manual pressing during manual operation, the control that pressure can not be fine, and pressure causes contact failure too little easily, and the too big reduction of pressure moves contact subassembly service life, causes the problem of unnecessary loss.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a moving contact subassembly that can overturn, includes contact subassembly storage shell, contact subassembly storage shell upside is provided with drive arrangement, and drive arrangement downside output rotates and is connected with the pivot, the pivot rotates and is connected with contact subassembly storage shell, and is fixed with the static contact connecting plate on the contact subassembly storage shell inner wall, be fixed with the moving contact connecting plate on the pivot outer wall, and moving contact connecting plate and static contact connecting plate one end all are provided with the spacing groove, are provided with the spring shaft simultaneously in the spacing groove, spring shaft one end on the static contact connecting plate is fixed with the static contact, and inlays in the static contact and have the static contact piece, spring shaft one end on the moving contact connecting plate is fixed with the moving contact, and moving contact one end.

Preferably, the static contact connecting plate and the static contact form a telescopic structure through a spring shaft.

Preferably, the number of the moving contacts is two, and moving contact pieces are inlaid on the two moving contacts).

Preferably, a first fixed block is fixed on one side of the static contact connecting plate, and an infrared sensor is arranged on the first fixed block.

Preferably, a second fixing plate is fixed on one side of the moving contact connecting plate, and an infrared receiver is arranged on the second fixing plate.

Compared with the prior art, the beneficial effects of the utility model are that: the movable contact component can be turned over,

(1) the rotating shaft rotates under the auxiliary action of the driving device, the rotating shaft rotates to drive the moving contact piece on the moving contact connecting plate to turn over, and finally the moving contact piece is contacted with the static contact piece, so that the pressure when the moving contact piece is contacted with the static contact piece is the same, and the service life of the moving contact piece is not influenced due to overhigh or overlow artificial pressure;

(2) the infrared sensor and the infrared receiver are arranged, the moving contact piece and the static contact piece can be accurately positioned by the arrangement of the infrared sensor and the infrared receiver, complete attachment of the moving contact piece and the static contact piece is ensured, and normal operation is ensured.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic diagram of the distribution structure of the spring shaft in the limiting groove of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

fig. 4 is a left side view structure diagram of the present invention.

In the figure: 1. the contact component comprises a contact component storage shell, 2, a driving device, 3, a rotating shaft, 4, a moving contact connecting plate, 5, a static contact connecting plate, 6, a limiting groove, 7, a spring shaft, 8, a moving contact, 9, a moving contact piece, 10, a first fixing block, 11, an infrared sensor, 12, a static contact, 13, a static contact piece, 14, a second fixing plate, 15 and an infrared receiver.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a turnover movable contact component is disclosed, as shown in fig. 1 and fig. 4, a driving device 2 is arranged on the upper side of a contact component storage shell 1, the output end of the lower side of the driving device 2 is rotatably connected with a rotating shaft 3, the rotating shaft 3 is rotatably connected with the contact component storage shell 1, a static contact connecting plate 5 is fixed on the inner wall of the contact component storage shell 1, a movable contact connecting plate 4 is fixed on the outer wall of the rotating shaft 3, one end of each of the movable contact connecting plate 4 and the static contact connecting plate 5 is provided with a limiting groove 6, a spring shaft 7 is arranged in the limiting groove 6, the static contact connecting plate 5 forms a telescopic structure with a static contact 12 through the spring shaft 7, the arrangement of the spring shaft 7 can play a role of buffering when the static contact 12 contacts with the movable contact 8, so that the static contact 12 and the movable contact 8 can be protected, the, thereby playing a role in regulating the rotating speed.

As shown in fig. 1, 2 and 3, a fixed contact 12 is fixed at one end of a spring shaft 7 on a fixed contact connecting plate 5, a fixed contact piece 13 is embedded in the fixed contact 12, two movable contacts 8 are provided, and two movable contact pieces 9 are embedded on the two movable contacts 8, the arrangement of the movable contact pieces 9 on the two movable contacts 8 can prevent one of the movable contact pieces 9 from being in fault, the other one can continue to work to ensure the normal operation of the whole work, the movable contact 12 is fixed at one end of the spring shaft 7 on the movable contact connecting plate 4, the movable contact piece 13 is fixed at one end of the movable contact 12, a first fixed block 10 is fixed at one side of the fixed contact connecting plate 5, an infrared sensor 11 is arranged on the first fixed block 10, a second fixed plate 14 is fixed at one side of the movable contact connecting plate 4, when the infrared receiver 15 receives the information from the infrared sensor 11, the driving device 2 stops working, so that the moving contact piece 9 and the static contact piece 13 are completely attached, a limiting effect is achieved, and the operation is simple and convenient.

The working principle is as follows: when the movable contact assembly which can be overturned is used, an external power supply is switched on, the driving device 2 drives the rotating shaft 3 to rotate, speed regulation is carried out under the action of a speed reducer arranged between the driving device 2 and the rotating shaft 3, so that the moving contact connecting plate 4 rotates, the moving contact connecting plate 4 rotates to drive the spring shaft 7 on the moving contact connecting plate 4 to rotate, the spring shaft 7 rotates to drive the moving contact 8 and the moving contact piece 9 on the moving contact 8 to rotate, finally the moving contact piece 9 is attached to the static contact piece 13 on the static contact 12, when the infrared receiver 15 receives the information from the infrared sensor 11, the driving device 2 stops operating, therefore, the movable contact piece 9 is completely attached to the fixed contact piece 13, the operation is simple and convenient, and the content which is not described in detail in the specification belongs to the prior art which is known by the professional skilled in the art.

The terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for ease of description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the scope of the invention.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a movable contact subassembly that can overturn, includes contact subassembly storage shell (1), its characterized in that: the upper side of the contact component storage shell (1) is provided with a driving device (2), the output end of the lower side of the driving device (2) is rotatably connected with a rotating shaft (3), the rotating shaft (3) is rotatably connected with the contact component storage shell (1), the inner wall of the contact component storage shell (1) is fixedly provided with a static contact connecting plate (5), the outer wall of the rotating shaft (3) is fixedly provided with a moving contact connecting plate (4), one ends of the moving contact connecting plate (4) and the static contact connecting plate (5) are respectively provided with a limiting groove (6), a spring shaft (7) is arranged in the limiting groove (6), one end of the spring shaft (7) on the static contact connecting plate (5) is fixedly provided with a static contact (12), a static contact (13) is embedded in the static contact (12), one end of the spring shaft (7) on the, and one end of the moving contact (8) is fixed with a moving contact piece (9).

2. A reversible movable contact assembly as claimed in claim 1, wherein: the static contact connecting plate (5) and the static contact (12) form a telescopic structure through the spring shaft (7).

3. A reversible movable contact assembly as claimed in claim 1, wherein: two moving contacts (8) are arranged, and moving contact pieces (9) are inlaid on the two moving contacts (8).

4. A reversible movable contact assembly as claimed in claim 1, wherein: a first fixing block (10) is fixed on one side of the static contact connecting plate (5), and an infrared sensor (11) is arranged on the first fixing block (10).

5. A reversible movable contact assembly as claimed in claim 1, wherein: and a second fixing plate (14) is fixed on one side of the moving contact connecting plate (4), and an infrared receiver (15) is arranged on the second fixing plate (14).