CN213583313U

CN213583313U - Plug-in type annular inductor

Info

Publication number: CN213583313U
Application number: CN202022056671.3U
Authority: CN
Inventors: 姚波
Original assignee: Suzhou Maosheng Electronic Technology Co ltd
Current assignee: Suzhou Maosheng Electronic Technology Co ltd
Priority date: 2020-09-18
Filing date: 2020-09-18
Publication date: 2021-06-29
Anticipated expiration: 2030-09-18

Abstract

The utility model discloses a plug-in type annular inductor, which comprises a magnetic core and a fixed component; magnetic core: two corresponding coils are wound on the circumferential surface, and one end of each coil is welded on the circumferential surface of the magnetic core; fixing the assembly: contain connecting block, fixed slot, spliced pole, first spring and solid fixed ring, two corresponding fixed slots have been seted up to the left and right sides of connecting block, the lower extreme of magnetic core periphery is equipped with the opening, open-ended inside is fixed with two corresponding spliced poles, and two spliced poles are fixed respectively in the inside of two fixed slots, first spring and solid fixed ring have been cup jointed on the periphery of spliced pole, the inside at the fixed slot is fixed to the one end of first spring, the other end of first spring is fixed on solid fixed ring's terminal surface, set up evenly distributed's antiskid groove on solid fixed ring's the terminal surface, can be very convenient weld the coil to avoid the coil to slide to appear.

Description

Plug-in type annular inductor

Technical Field

The utility model relates to an inductor technical field specifically is a plug-in components formula loop type inductor.

Background

The inductor is an element capable of converting electric energy into magnetic energy and storing the electric energy, also called a common mode choke coil, and is commonly used for filtering common mode electromagnetic interference signals in a switching power supply of a computer, the common mode inductor comprises a circular magnetic core and a coil, the coil comprises a first coil and a second coil which are wound on the magnetic core and are symmetrically arranged, the first coil and the second coil are composed of enameled wires (the enameled wires comprise wires and insulating layers sleeved outside the wires) and are respectively provided with two leading-out ends (the wires are remained after the insulating layers on the enameled wires are removed), the leading-out ends are fixedly welded with a connecting strip on a base, but in actual manufacturing, when the wires are welded after the enameled wires are wound, the leading-out ends can be loosened after the enameled wires are loosened due to the fact that the enameled wires are wound on the magnetic ring, and the common mode inductor is provided with a plurality of leading-out ends, so that the leading-out, in the process of pulling the leading-out end, the coil is easy to slide with the magnetic core, and the sliding of the coil easily causes the loosening of the winding section which is finished by winding before, so that the coil is damaged in a uniform and close winding state.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a plug-in components formula loop type inductor, can be very convenient weld the coil to avoid the coil to appear sliding, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a plug-in loop type inductor includes a magnetic core and a stationary assembly;

magnetic core: two corresponding coils are wound on the circumferential surface, and one end of each coil is welded on the circumferential surface of the magnetic core;

fixing the assembly: the magnetic core fixing device comprises a connecting block, fixing grooves, connecting columns, a first spring and a fixing ring, wherein the left side and the right side of the connecting block are provided with two corresponding fixing grooves, the lower end of the circumferential surface of the magnetic core is provided with an opening, the two corresponding connecting columns are fixed inside the opening and are respectively fixed inside the two fixing grooves, the circumferential surface of each connecting column is sleeved with the first spring and the fixing ring, one end of the first spring is fixed inside the fixing groove, the other end of the first spring is fixed on the end surface of the fixing ring, the end surface of the fixing ring is provided with evenly distributed anti-skidding grooves, and coils can be effectively prevented from sliding by arranging a fixing component;

wherein: the ends of the two coils which are not welded respectively pass through the gaps between the two fixed rings and the magnetic core.

Furthermore, two clamping holes are formed in the upper side face of the connecting block and are respectively communicated with the two fixing grooves, the two clamping holes are clamped with the U-shaped clamping block, the pull block is fixed on the upper side face of the U-shaped clamping block, and the two fixing rings are blocked by the U-shaped clamping block.

Further, be fixed with the insulation board on the downside of connecting block, two through-holes have been seted up to the left and right sides of insulation board, and two not welded one ends of two coils pass two through-holes respectively, and are located the below of insulation board.

Furthermore, the left side and the right side of the insulating plate are fixed with two corresponding fixed pipes, the inside sliding connection of the fixed pipes is provided with a connecting shaft, the two ends of the connecting shaft are respectively fixed with a pull frame and a clamping column, the circumferential surface of the connecting shaft is sleeved with a second spring, one end of the second spring is fixed on the circumferential surface of the clamping column, the other end of the second spring is fixed on the end surface of the fixed pipe, and the coil is fixed inside the clamping groove through the clamping column.

Furthermore, two corresponding inserting blocks are fixed on the lower side face of the insulating plate, and clamping grooves are formed in the side faces of the inserting blocks.

Compared with the prior art, the beneficial effects of the utility model are that: the plug-in type ring inductor has the following advantages:

1. one ends of the two coils are fixed on the circumferential surface of the magnetic core, then the two coils are uniformly wound along the circumferential surface of the magnetic core, one part of the coils are positioned on the circumferential surfaces of the two connecting columns, then the U-shaped clamping block is drawn out, the two fixing rings fix the two coils under the action of the two first springs after the U-shaped clamping block is drawn out, and the coils can be effectively prevented from sliding by arranging the fixing rings;

2. after the two pull frames are fixed, the non-welded ends of the two coils penetrate through the two through holes formed in the left side and the right side of the insulating plate respectively, after the two pull frames are passed, the non-welded ends of the two coils are placed in the two clamping grooves respectively, after the two pull frames are placed, the two pull frames are loosened, at the moment, the two clamping columns enter the two clamping grooves under the action of the two second springs, the non-welded ends of the two coils are fixed, and then the non-welded ends of the two coils can be conveniently welded on the side faces of the two insert blocks.

Drawings

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

FIG. 2 is an enlarged structural view of the utility model at A;

fig. 3 is a schematic view of the fixing assembly of the present invention.

In the figure: 1 magnetic core, 2 coils, 3 fixed subassembly, 31 connecting block, 32 fixed slot, 33 spliced pole, 34 first spring, 35 solid fixed ring, 4U-shaped fixture block, 5 draw the piece, 6 insulation boards, 7 fixed pipe, 8 connecting axles, 9 draw the frame, 10 second springs, 11 card posts, 12 inserted blocks, 13 draw-in grooves.

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. 1-3, the present invention provides a technical solution: a plug-in loop type inductor comprises a magnetic core 1 and a fixed component 3;

magnetic core 1: two corresponding coils 2 are wound on the circumferential surface, and one end of each coil 2 is welded on the circumferential surface of the magnetic core 1;

the fixing component 3: contain connecting block 31, fixed slot 32, spliced pole 33, first spring 34 and solid fixed ring 35, two corresponding fixed slots 32 have been seted up to the left and right sides of connecting block 31, the lower extreme of 1 periphery of magnetic core is equipped with the opening, open-ended inside is fixed with two corresponding spliced poles 33, and two spliced poles 33 are fixed respectively in the inside of two fixed slots 32, first spring 34 and solid fixed ring 35 have been cup jointed on the periphery of spliced pole 33, the inside at fixed slot 32 is fixed to the one end of first spring 34, the other end of first spring 34 is fixed on the terminal surface of solid fixed ring 35, set up evenly distributed's antiskid groove on the terminal surface of solid fixed ring 35, can effectively avoid coil 2 to appear sliding through setting up fixed subassembly 3;

wherein: the ends of the two coils 2 which are not welded each pass through the gaps between the two fixing rings 35 and the magnetic core 1.

Wherein: two clamping holes are formed in the upper side face of the connecting block 31 and are respectively communicated with the two fixing grooves 32, the two clamping holes are clamped with the U-shaped clamping block 4, the pull block 5 is fixed on the upper side face of the U-shaped clamping block 4, and the two fixing rings 35 are blocked by the U-shaped clamping block 4.

Wherein: be fixed with insulation board 6 on the downside of connecting block 31, two through-holes have been seted up to insulation board 6's the left and right sides, and two not welded one end of two coils 2 pass two through-holes respectively, and are located insulation board 6's below.

Wherein: the left side and the right side of the insulating plate 6 are fixed with two corresponding fixed pipes 7, the inside sliding connection of the fixed pipes 7 has a connecting shaft 8, the both ends of the connecting shaft 8 are respectively fixed with a pull frame 9 and a clamping column 11, a second spring 10 is sleeved on the circumferential surface of the connecting shaft 8, one end of the second spring 10 is fixed on the circumferential surface of the clamping column 11, the other end of the second spring 10 is fixed on the end surface of the fixed pipes 7, and the coil 2 is fixed inside the clamping groove 13 through the clamping column 11.

Wherein: two corresponding inserting blocks 12 are fixed on the lower side surface of the insulating plate 6, and clamping grooves 13 are formed in the side surfaces of the inserting blocks 12.

When in use: one ends of the two coils 2 are fixed on the circumferential surface of the magnetic core 1, and then the two coils 2 are uniformly wound along the circumferential surface of the magnetic core 1, and a part of the coils 2 are located on the circumferential surfaces of the two connection posts 33, then the U-shaped fixture block 4 is drawn out, the two fixing rings 35 fix the two coils 2 under the action of the two first springs 34 after the U-shaped fixture block 4 is drawn out, the two pull frames 9 are respectively pulled after the two fixing rings are fixed, then the ends of the two coils 2 which are not welded pass through two through holes arranged at the left side and the right side of the insulating plate 6, after passing through, one ends of the two coils 2 which are not welded are respectively placed in the two clamping grooves 13, the two pull frames 9 are loosened after the placement is finished, at the moment, the two clamping columns 11 enter the two clamping grooves 13 under the action of the two second springs 10 to fix the ends of the two coils 2 which are not welded, the unwelded ends of the two coils 2 can then be easily welded to the sides of the two insert blocks 12.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A plug-in loop inductor, comprising: comprises a magnetic core (1) and a fixed component (3);

magnetic core (1): two corresponding coils (2) are wound on the circumferential surface, and one end of each coil (2) is welded on the circumferential surface of the magnetic core (1);

fixing assembly (3): the magnetic core fixing device is characterized by comprising a connecting block (31), fixing grooves (32), connecting columns (33), first springs (34) and fixing rings (35), wherein the left side and the right side of the connecting block (31) are provided with the two corresponding fixing grooves (32), the lower end of the circumferential surface of the magnetic core (1) is provided with an opening, the inside of the opening is fixed with the two corresponding connecting columns (33), the two connecting columns (33) are respectively fixed inside the two fixing grooves (32), the circumferential surface of each connecting column (33) is sleeved with the first springs (34) and the fixing rings (35), one ends of the first springs (34) are fixed inside the fixing grooves (32), the other ends of the first springs (34) are fixed on the end surfaces of the fixing rings (35), and the end surfaces of the fixing rings (35) are provided with anti-skid grooves;

wherein: the ends of the two coils (2) which are not welded pass through the gaps between the two fixed rings (35) and the magnetic core (1) respectively.

2. A card-type loop inductor as defined in claim 1, wherein: two clamping holes are formed in the upper side face of the connecting block (31), the two clamping holes are communicated with the two fixing grooves (32) respectively, the two clamping holes are clamped with the U-shaped clamping block (4), and a pulling block (5) is fixed on the upper side face of the U-shaped clamping block (4).

3. A card-type loop inductor as defined in claim 1, wherein: be fixed with insulation board (6) on the downside of connecting block (31), two through-holes have been seted up to the left and right sides of insulation board (6), and two non-welded one ends of two coils (2) pass two through-holes respectively, and are located the below of insulation board (6).

4. A card-type loop inductor as defined in claim 3, wherein: the left and right sides of insulation board (6) is fixed with two corresponding fixed pipes (7), the inside sliding connection of fixed pipe (7) has connecting axle (8), the both ends of connecting axle (8) are fixed with respectively and draw frame (9) and card post (11), second spring (10) have been cup jointed on the periphery of connecting axle (8), the one end of second spring (10) is fixed on the periphery of card post (11), the other end of second spring (10) is fixed on the terminal surface of fixed pipe (7).

5. A card-type loop inductor as defined in claim 3, wherein: two corresponding inserting blocks (12) are fixed on the lower side face of the insulating plate (6), and clamping grooves (13) are formed in the side faces of the inserting blocks (12).