CN204632942U

CN204632942U - PLC terminal new structure

Info

Publication number: CN204632942U
Application number: CN201520370937.8U
Authority: CN
Inventors: 任培坚; 何清平
Original assignee: JSCC AUTOMATION (XIAMEN) Ltd
Current assignee: JSCC AUTOMATION (XIAMEN) Ltd
Priority date: 2015-06-02
Filing date: 2015-06-02
Publication date: 2015-09-09
Anticipated expiration: 2025-06-02

Abstract

The utility model discloses PLC terminal new structure, comprise terminal plastic parts, the long PIN needle in upper strata, the short PIN needle of lower floor, compressing tablet and screw tightening; Terminal plastic parts is upper and lower two-layer integrated injection molding structure, upper strata is provided with spaced long PIN needle groove, lower floor is provided with spaced short PIN needle groove, long PIN needle groove and short PIN needle groove are staggered, short PIN needle is inserted in short PIN needle groove, long PIN needle is inserted in long PIN needle groove, long PIN needle and short PIN needle installs compressing tablet, and is locked by screw tightening.The utility model can improve the reliability of conduction, reduces number of spare parts simultaneously, reduces assembly difficulty.

Description

PLC terminal new structure

Technical field

The utility model relates to PLC field, is specially a kind of PLC terminal structure.

Background technology

The terminal of PLC all adopts double-layer plastic part structure in the market, and on circuit boards, upper strata external cord, upper strata PIN needle one side spring leaf contacts conducting with lower floor PIN needle to the welding of lower floor PIN needle, is screwed levels terminal.This Standard operation is many, one side spring leaf contact electrically conducting manner poor reliability, spring itself has the possibility that there is distortion in the possibility of inefficacy, transportation, occur any one situation, electric current all can not conducting, when vibrations, also likely there is electric discharge, parts reliability is poor, not only adds assembly difficulty and cost, also increases product fraction defective.

Utility model content

The purpose of this utility model is to provide a kind of PLC terminal new structure, to improve the reliability of conduction, reduces number of spare parts simultaneously, reduces assembly difficulty.

For achieving the above object, the utility model is by the following technical solutions:

PLC terminal new structure, comprises terminal plastic parts, the long PIN needle in upper strata, the short PIN needle compressing tablet of lower floor and screw tightening; Described terminal plastic parts is upper and lower two-layer integrated injection molding structure, upper strata is provided with spaced long PIN needle groove, lower floor is provided with spaced short PIN needle groove, long PIN needle groove and short PIN needle groove are staggered, described short PIN needle is inserted in short PIN needle groove, long PIN needle is inserted in long PIN needle groove, long PIN needle and short PIN needle installs compressing tablet, and is locked by screw tightening.

Further, described screw tightening is screw and nut assembly, installs compressing tablet and screw in long PIN needle and upper strata terminal plastic parts or in short PIN needle and lower floor's terminal plastic parts, nut check is passed through in screw lower end below described screw.

After adopting technique scheme, the utility model has following effect:

Split levels terminal plastic parts in background technology is designed to upper and lower two-layer integrated injection molding structure by the utility model, changing upper and lower PIN needle spring leaf contact electrically conducting manner is PIN needle direct conduction, decrease the PIN needle of 50%, save material and cost of labor, and reduce assembly failure rate more than 8%.Adopt PIN needle direct conduction, eliminate the bad and electric discharge phenomena of conduction that levels PIN needle connected mode brings, improve conduction reliability, make properties of product more stable.

Accompanying drawing explanation

Fig. 1 is schematic front view of the present utility model;

Fig. 2 is that schematic diagram is looked on a left side of Fig. 1;

Fig. 3 is the structural representation of terminal plastic parts of the present utility model.

Primary symbols illustrates:

1: terminal plastic parts, 11: long PIN needle groove, 12: short PIN needle groove

2: long PIN needle, 3: short PIN needle, 4: compressing tablet, 5: screw, 6: nut.

Embodiment

In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.

Refer to Fig. 1, Fig. 2, the utility model discloses a kind of PLC terminal new structure, comprise terminal plastic parts 1, the long PIN needle 2 in upper strata, the short PIN needle 3 of lower floor, screw tightening, compressing tablet 4, screw tightening can be screw 5 and nut 6 assembly.

As Fig. 3 shows, terminal plastic parts 1 is upper and lower two-layer integrated injection molding structure, and upper strata is provided with spaced long PIN needle groove 11, and lower floor is provided with spaced short PIN needle groove 12.Long PIN needle groove 11 is staggered with short PIN needle groove 12, to ensure that long PIN needle 2 does not contact with short PIN needle 3.Be set to six long PIN needle grooves, 11, six short PIN needle grooves 12 in the present embodiment respectively, and be equipped with six long PIN needle, 2, six short PIN needle, 3, six groups of compressing tablets 4 and six groups of screws 5, nuts 6.

Installation process of the present utility model is as follows:

Be fixed on by nut 6 in terminal plastic parts 1, short PIN pin 3 to insert in the short PIN needle groove of lower floor 12, and long PIN needle 2 is inserted in the long PIN needle groove 11 in upper strata, compressing tablet 4 and screw 5 are placed in long PIN needle 2 and short PIN needle 3, rotating screw 5, and screw 5 screws in nut 6, by long PIN pin 2, short PIN needle 3 compresses.

The utility model adopts direct insertion PIN needle structure, improves conduction reliability, adopts integrated terminal plastic parts to make assembling more simple, reduces product fraction defective.

The above, be only the utility model preferably embodiment, is anyly familiar with those skilled in the art in the technical scope that the utility model discloses, the change that can expect easily or replacement, all should be encompassed within protection range of the present utility model.

Claims

1.PLC terminal new structure, is characterized in that: comprise terminal plastic parts, the long PIN needle in upper strata, the short PIN needle of lower floor, compressing tablet and screw tightening; Described terminal plastic parts is upper and lower two-layer integrated injection molding structure, upper strata is provided with spaced long PIN needle groove, lower floor is provided with spaced short PIN needle groove, long PIN needle groove and short PIN needle groove are staggered, described short PIN needle is inserted in short PIN needle groove, long PIN needle is inserted in long PIN needle groove, long PIN needle and short PIN needle installs compressing tablet, and is locked by screw tightening.

2. PLC terminal new structure as claimed in claim 1, it is characterized in that: described screw tightening is screw and nut assembly, install compressing tablet below described screw and screw in long PIN needle and upper strata terminal plastic parts or screw in short PIN needle and lower floor's terminal plastic parts, nut check is passed through in screw lower end.