CN218039061U

CN218039061U - Plug-in structure for molded case circuit breaker

Info

Publication number: CN218039061U
Application number: CN202221841647.3U
Authority: CN
Inventors: 杨杰
Original assignee: Jiangsu Kaiyuanfeng Electrical Machinery Manufacturing Co ltd
Current assignee: Jiangsu Kaiyuanfeng Electrical Machinery Manufacturing Co ltd
Priority date: 2022-07-18
Filing date: 2022-07-18
Publication date: 2022-12-13
Anticipated expiration: 2032-07-18

Abstract

An insertion type structure used in a molded case circuit breaker comprises a molded case conducting rod, a conducting post, a base set and a screw assembly, wherein a threaded hole is formed in the center of the upper end of the conducting post, a supporting plate with a through hole is arranged on the center of the upper end of the conducting post, and a threaded rod is arranged at the lower end of a novel guide piece and penetrates through the through hole in the supporting plate to be connected with the conducting post; the lower end of the conductive rod of the plastic shell is provided with a blind hole which is matched with the upper end of the novel guide piece; the lower end of the conductive rod with the plastic shell and the upper end of the conductive column are uniformly distributed with a plurality of contact pieces, the grooves on the outer surface of the contact pieces are all provided with springs, and the springs enable the upper end and the lower end of the inner wall of the contact pieces to be respectively contacted with the lower end of the conductive rod with the plastic shell and the upper end of the conductive column. The utility model discloses a location that novel guide part can be accurate to make the plug power reach the minimum, simple and convenient installation has good electric conductive property, has prolonged the life who moulds the shell conducting rod greatly, has practiced thrift the cost.

Description

Plug-in structure for molded case circuit breaker

Technical Field

The utility model relates to low-voltage circuit breaker field especially involves a be used for moulded case circuit breaker

The plug-in structure of (1).

Background

Plug-in subassembly among the prior art, operating personnel only look for the location through conducting rod bottom radius arc angle when moulded case circuit breaker conducting rod packs into plug-in subassembly, owing to need install six conducting rods simultaneously, so when the plug, the power value is great, can all be red copper to conducting rod surface production fish tail's phenomenon, conducting rod and conductive pillar material in addition, and high in production cost has the damage spare part that must renew again, otherwise influences electric conductive property.

Disclosure of Invention

The utility model aims at providing a bayonet structure for among the moulded case circuit breaker, it can solve the above technical problem that prior art exists.

In order to achieve the above technical object and meet the above technical requirements, the present invention adopts the technique of

The technical scheme is as follows: the utility model provides a bayonet structure for among moulded case circuit breaker, includes moulded case conducting rod, leads electrical pillar, base group, screw sub-assembly, its characterized in that: the center of the upper end of the conductive post is provided with a threaded hole, a supporting plate with a through hole is arranged on the threaded hole, and the lower end of the novel guide piece is provided with a threaded rod which penetrates through the through hole in the supporting plate to be connected with the conductive post; the lower end of the conductive rod of the plastic shell is provided with a blind hole which is matched with the upper end of the novel guide piece; the lower end of the plastic shell conducting rod and the outer cylindrical surface of the upper end of the conducting post are uniformly provided with a plurality of contact pieces, the grooves on the outer surfaces of the contact pieces are provided with springs, and the springs enable the upper end and the lower end of the inner wall of each contact piece to be respectively contacted with the lower end of the plastic shell conducting rod and the upper end of the conducting post.

Preferably: the blind hole is movably matched with the upper end of the novel guide piece.

Preferably: the novel guide piece is made of ferrous metal.

The utility model has the advantages that; compared with the prior art, the plug-in structure for the molded case circuit breaker has the advantages that when the conductive rod of the molded case circuit breaker is installed into the plug-in assembly, the plug-in assembly can be accurately positioned through the novel guide piece, the plug-in force reaches the minimum value, the simple and convenient installation of an operator is facilitated, the post-installation contact piece is in uniform contact with the conductive rod, the good conductive performance is realized, the service life of the conductive rod of the molded case circuit breaker is greatly prolonged, and the cost is saved.

Drawings

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

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

FIG. 3 is a perspective view of the mounting member of the present invention;

in the figure: 1. a novel guide member; 2. a plastic shell conductive rod; 3. a contact piece; 4. a spring; 5. a support plate; 6. a conductive post; 7. a connecting plate; 8. a base set; 9. a screw assembly; 10. and (4) blind holes.

Detailed Description

In order to make the object, technical solution and beneficial technical effects of the present invention clearer, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments;

in the drawings: the utility model provides an inserted structure for among moulded case circuit breaker, includes moulded case conducting rod 2, leads electrical pillar 6, base group 8, screw sub-assembly 9, its characterized in that: a threaded hole is formed in the center of the upper end of the conductive post 6, a supporting plate 5 with a through hole is arranged on the threaded hole, and a threaded rod is arranged at the lower end of the novel guide piece 1 and penetrates through the through hole in the supporting plate 5 to be connected with the conductive post 6; the lower end of the plastic shell conducting rod 2 is provided with a blind hole 10 which is matched with the upper end of the novel guide part 1; the lower end of the plastic shell conducting rod 2 and the upper end of the conducting post 6 are uniformly distributed with a plurality of contact pieces 3, a spring 4 is arranged in a groove on the outer surface of each contact piece 3, and the upper end and the lower end of the inner wall of each contact piece 3 are respectively contacted with the lower end of the plastic shell conducting rod 2 and the upper end of the conducting post 6 through the spring 4.

The blind hole 10 is movably matched with the upper end of the novel guide piece 1.

The novel guide piece 1 is made of ferrous metal.

The utility model discloses a concrete implementation: a plurality of contact pieces and a support plate are arranged around the conductive column through a tool clamp and are fixed through a spring. And the lower end blind hole of the conductive rod with the plastic shell is matched with the upper end of the novel guide piece to form six assemblies, and the six assemblies and the connecting plate are connected and fixed in the base set through the novel guide piece.

The foregoing examples are given for the purpose of illustrating the present invention in a clear and non-restrictive manner, and it will be apparent to those skilled in the art that variations and modifications of the present invention may be made in other variations and modifications based on the foregoing description, and it is not necessary or necessary to exhaustively enumerate all embodiments, and all such variations and modifications as are obvious and desirable in the art are within the scope of the present invention.

Claims

1. The utility model provides an inserted structure for among moulded case circuit breaker, includes moulded case conducting rod (2), leads electrical pillar (6), base group (8), screw sub-assembly (9), its characterized in that: a threaded hole is formed in the center of the upper end of the conductive post (6), a supporting plate (5) with a through hole is arranged on the threaded hole, and a threaded rod is arranged at the lower end of the novel guide piece (1) and penetrates through the through hole in the supporting plate (5) to be connected with the conductive post (6); the lower end of the plastic shell conducting rod (2) is provided with a blind hole (10) which is matched with the upper end of the novel guide piece (1); the plastic shell conductive rod is characterized in that a plurality of contact pieces (3) are uniformly distributed on the outer cylindrical surface of the lower end of the plastic shell conductive rod (2) and the upper end of the conductive column (6), springs (4) are arranged in grooves in the outer surface of the contact pieces (3), and the springs (4) enable the upper end and the lower end of the inner wall of the contact pieces (3) to be respectively contacted with the lower end of the plastic shell conductive rod (2) and the upper end of the conductive column (6).

2. The plug-in structure for a molded case circuit breaker according to claim 1, wherein: the blind hole (10) is movably matched with the upper end of the novel guide piece (1).

3. The plug-in structure for a molded case circuit breaker according to claim 1, wherein: the novel guide piece (1) is made of ferrous metal.