CN212343743U

CN212343743U - Network filter

Info

Publication number: CN212343743U
Application number: CN202021262889.8U
Authority: CN
Inventors: 钟阳辉
Original assignee: Xiangtan Yucheng Electronic Co ltd
Current assignee: Xiangtan Yucheng Electronic Co ltd
Priority date: 2020-07-01
Filing date: 2020-07-01
Publication date: 2021-01-12
Anticipated expiration: 2030-07-01

Abstract

The utility model discloses a network filter, including insulator, tablet, PIN foot, magnetic coil, the insulator is the cuboid structure, the tablet sets up in the insulator, be equipped with the PIN foot that a plurality of was symmetry and evenly set up on the tablet, the PIN foot includes terminal and PIN foot outer terminal in the PIN foot, terminal setting is in the insulator in the PIN foot, PIN foot outer terminal sets up in the insulator outside, the insulator outside is equipped with PIN foot locating hole in the position that sets up PIN foot outer terminal, magnetic coil adopts the mode of fusion welding or spot welding to fix on PIN foot inner terminal through the lead wire. The utility model has the advantages of simple assembly, high firmness, low manufacturing cost, difficult oxidation, long service life, environmental protection, and the like.

Description

Network filter

Technical Field

The utility model relates to an electronic product technical field especially relates to a network filter.

Background

With the development of computer technology and communication technology, the requirements of people on networks are more and more extensive and important, a network filter is an electronic product which has good anti-interference performance and can effectively ensure network information transmission, and is widely used in network systems at present, a traditional network filter is generally characterized in that a cavity is arranged in an insulator, a magnetic coil is arranged in the cavity, two ends of the cavity are provided with symmetrical conductive terminals, a lead of the magnetic coil is wound with the conductive terminals after an insulating layer on the surface is removed, but the magnetic coil is made of copper wires, and the copper wires exposed outside are easy to generate oxidation reaction; or the lead is welded on the conductive terminal by a soldering tin mode, but the welding mode has low firmness, so the service life is short, and the general soldering tin process contains lead and heavy metal substances thereof, which can harm the health and can not meet the requirement of environmental protection.

In addition, the filter has relatively high requirement on the environment, the filter needs certain sealing performance, the sealing performance of many filters on the market is poor, and the sealing performance of some filters is solved by adopting the structure of the letter shell, so that the manufacturing cost is increased, and great inconvenience is caused to the maintenance and overhaul of equipment.

SUMMERY OF THE UTILITY MODEL

In order to overcome the technical defects of the traditional network filter, the network filter is provided, is not easy to oxidize, has reliable firmness, is easy to assemble, has good sealing performance and is convenient to maintain.

The technical scheme of the utility model as follows:

a network filter comprising a body, characterized in that: the body includes insulator, tablet, PIN foot, magnetic coil, the insulator is the cuboid structure, the tablet sets up in the insulator, be equipped with the PIN foot that a plurality of is symmetry and evenly sets up on the tablet, the PIN foot includes terminal and PIN foot outer terminal in the PIN foot, terminal setting is in the insulator in the PIN foot, PIN foot outer terminal sets up in the insulator outside, the insulator outside is equipped with PIN foot locating hole in the position that sets up PIN foot outer terminal, magnetic coil passes through the lead wire setting on PIN foot inner terminal.

Furthermore, the insulating shell is made of epoxy resin, and the insulating shell is of a cuboid structure manufactured by adopting an injection molding process.

Furthermore, a polar identification point is arranged at one corner of the top of the insulating top shell.

Furthermore, the top of the terminal inside the PIN foot of the PIN foot is provided with an inwards concave lead wire connecting clamping groove.

Still further, a plurality of PIN feet that are symmetrical and evenly set up that are equipped with on the tablet link together through PIN foot location strip.

And furthermore, a lead wire connected with the PIN inner terminal of the PIN is fixed in the lead wire connecting clamping groove of the PIN inner terminal by fusion welding or spot welding, and the fusion welding or spot welding has the characteristics of lead-free high temperature resistance.

The utility model has the advantages that: the utility model discloses a set up the PIN foot on the material piece, adopt PIN foot location strip with a plurality of PIN feet fixed connection together, can be accurate fix the PIN foot on the material piece, magnetic coil adopts lead wire and terminal connection in the PIN foot, in the PIN connection draw-in groove that terminal top set up in terminal card and the PIN foot, the mode of deuterogamying fusion welding or spot welding is with the firm connection of terminal in lead wire and the PIN foot together, can be fine with the inseparable connection of the two together, the tablet that magnetic coil has been installed is through the technology of moulding plastics, the insulator that the cooperation mould made the integral type is with tablet and terminal in the PIN foot, magnetic coil is whole to be wrapped up including, PIN foot outer terminal then spills in the insulator, carry out the bending processing with PIN foot outer terminal again, can be better protect the part in the insulator, reach more environmental protection, the longer purpose of life.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is a schematic diagram of the transverse cross-section structure of the present invention;

fig. 4 is a schematic longitudinal sectional structure of the present invention;

fig. 5 is a schematic diagram of the top structure of the terminal in the PIN of the present invention;

fig. 6 is a schematic view of the material sheet processing structure of the present invention.

In the drawings: 1. PIN foot outer terminal, 2, insulator, 3, polarity identification point, 4, tablet, 5, PIN foot locating hole, 6, PIN foot inner terminal, 7, magnetic coil, 8, locating hole, 9, lead wire, 10, PIN foot locating strip, 11, lead wire connection draw-in groove, 12, solder joint.

Detailed Description

In order to make the features and advantages of the present invention easy to understand, we will explain the present invention in detail with reference to the accompanying drawings.

Referring to fig. 1 to 4, a network filter includes an insulator 2, a material sheet 4, PIN legs, a lead wire 9, and a magnetic coil 7, where the material sheet 4 is of a flat plate structure, a plurality of PIN legs are uniformly arranged on the material sheet 4, the PIN legs include a PIN leg outer terminal 1 and a PIN leg inner terminal 6, the PIN leg inner terminal 6 is located in the middle of the material sheet 4 and symmetrically arranged, the PIN leg outer terminal 1 is located outside the material sheet 4 and corresponds to the PIN leg inner terminal 6, a PIN leg positioning bar 10 is arranged between the PIN leg inner terminal 6 and the PIN leg outer terminal of the PIN leg, the top of the PIN leg inner terminal 6 is provided with a "U" -shaped lead wire connection slot 11, the magnetic coil 7 includes a plurality of lead wires 9, the magnetic coil 7 is connected with the PIN leg inner terminal 6 by the lead wire 9, the lead wire 9 is wound on the magnetic coil 7, the top of the PIN leg outer terminal 6 at the end of the lead wire 9 is clamped into the "U" -shaped lead wire connection slot 11, and fixing the lead 9 and the terminal 6 in the PIN PIN together by adopting a welding or spot welding mode.

The insulator 2 is characterized in that epoxy resin is arranged on a material sheet 4 on which a magnetic coil 7 is installed by adopting an injection molding process, the material sheet 4 is matched with a mold to obtain a molded insulator 2, the material sheet 4, the magnetic coil 7, a lead 9, a PIN inner terminal 6 and a PIN positioning strip 10 are wrapped in the insulator 2, the PIN outer terminal 1 leaks out of the insulator 2, the PIN outer terminal 1 is mechanically pressed into a Z-shaped structure, and a PIN positioning hole 5 is formed in the insulator 2 at the position of the PIN outer terminal 1.

The utility model provides a tablet 4 comprises a plurality of a whole, and the higher authority sets up a plurality of independent tablets 4 units, all set up a plurality of PIN foot on tablet 4, through PIN foot location strip 10 fixed connection between a plurality of PIN foot, PIN foot location strip sets up between PIN foot outer terminal 1 and PIN foot interior terminal 6 of PIN foot, PIN foot and PIN foot location strip 10 all close structure as an organic whole with tablet 4.

The utility model discloses when processing the preparation, process into whole tablet 4 including the PIN foot through mould processing, a plurality of independent tablets 4 of PIN foot location strip 10, the mode of adopting fusion welding or spot welding again is connected with PIN foot interior terminal 6 and lead wire 9, magnetic coil 7 completion, it is fixed to form solder joint 12 on terminal 6 in the end of lead wire 9 is by PIN foot, will accomplish whole tablet 4 of part equipment again and put into the mould, adopt epoxy to mould plastics, wait to cool off back epoxy and form insulator 2 including tablet 4 and inner part parcel, PIN foot outer terminal 1 of PIN foot exposes in the insulator 2 outside, puts into another mould again with it, the bending becomes "Z" style of calligraphy mechanism with PIN foot outer terminal 1 on tablet 4 through the bending of lathe, the lathe obtains single independent finished product with the excision of unnecessary part on the tablet 4 again.

The above are detailed embodiments of the present invention expressed in the embodiments, but the present invention cannot be limited to the embodiments, and for those skilled in the art, any simple modifications can be made without departing from the spirit of the present invention, and all are within the scope of the present invention.

Claims

1. A network filter comprising a body, characterized in that: the body includes insulator, tablet, PIN foot, magnetic coil, the insulator is the cuboid structure, the tablet sets up in the insulator, be equipped with the PIN foot that a plurality of is symmetry and evenly sets up on the tablet, the PIN foot includes terminal and PIN foot outer terminal in the PIN foot, terminal setting is in the insulator in the PIN foot, PIN foot outer terminal sets up in the insulator outside, the insulator outside is equipped with PIN foot locating hole in the position that sets up PIN foot outer terminal, magnetic coil passes through the lead wire setting on PIN foot inner terminal.

2. A network filter according to claim 1, wherein: the insulator is made of epoxy resin and is of a cuboid structure manufactured by adopting an injection molding process.

3. A network filter according to claim 1 or 2, characterized in that: one corner of the top of the insulator is provided with a polarity identification point.

4. A network filter according to claim 1, wherein: and the top of the terminal inside the PIN of the PIN is provided with an inwards concave lead wire connecting clamping groove.

5. A network filter according to claim 1 or 4, characterized in that: a plurality of PIN feet that are symmetry and evenly set up that are equipped with on the tablet link together through PIN foot location strip.

6. A network filter according to claim 4, characterized in that: and the lead connected with the PIN inner terminal of the PIN is fixed in the lead connecting clamping groove of the PIN inner terminal by fusion welding or spot welding.