CN209859781U

CN209859781U - Paster E type inductance skeleton

Info

Publication number: CN209859781U
Application number: CN201920671343.9U
Authority: CN
Inventors: 贾本友; 骆杨; 颜荣杰; 李斌; 胡剑
Original assignee: YINGTAN YANKON GROUP CO Ltd; Zhejiang Sunshine Lighting Co Ltd; Zhejiang Yankon Group Co Ltd
Current assignee: YINGTAN YANKON GROUP CO Ltd; Zhejiang Sunshine Lighting Co Ltd; Zhejiang Yankon Group Co Ltd
Priority date: 2019-05-10
Filing date: 2019-05-10
Publication date: 2019-12-27
Anticipated expiration: 2029-05-10

Abstract

The utility model discloses a paster E type inductance framework, which comprises a bakelite framework, an upper magnetic core and a lower magnetic core which are in an E type structure, wherein the bottom of the bakelite framework is bilaterally symmetrical and is provided with a plurality of welding part fixing points, metal sheets used for welding with a PCB are processed on the welding part fixing points, and the bottom surfaces of all the metal sheets are positioned on the same horizontal plane; the PCB board welding jig has the advantages that welding part fixing points are symmetrically arranged on two sides of the bottom of the bakelite framework, metal sheets are processed on the welding part fixing points, the metal sheets are welded with the PCB board, and the metal sheets are located below the whole bakelite framework, so that the metal sheets cannot be broken or deformed; the metal sheet belongs to the piece structure, and processing is convenient, very easily makes the basal surface of all metal sheets in this paster E type inductance skeleton be in same horizontal plane, does not have the uneven balanced condition of height, and the metal sheet can not take place to warp yet in the transportation for paster E type inductance skeleton is nearly zero because of the loss that the metal sheet produced, and easily welds with the PCB board.

Description

Paster E type inductance skeleton

Technical Field

The utility model relates to an inductance skeleton especially relates to a paster E type inductance skeleton.

Background

Common paster E type inductance skeleton on the market at present includes the bakelite skeleton usually, is the last magnetic core and the lower magnetic core of E type structure, and the both sides bottom symmetry processing of bakelite skeleton has the row needle, and the one end of row needle is the connecting portion of being connected with the side bottom of bakelite skeleton, and the intermediate portion of row needle is crooked transition portion, the other end of row needle for be used for with PCB board welded weld part, the basal surface of weld part is the plane, and the row needle outwards extends in the both sides of bakelite skeleton. The patch E type inductance framework with the structure has the following problems: 1) the pin header extends outwards from two sides of the bakelite framework, so that the pin header is easy to break and deform; 2) in the processing process, the bottom surfaces of the welding parts of all the pin headers are required to be on the same horizontal plane, namely the pin headers on two sides are required to be in height balance, however, the pin headers are made of bent metal sheets, so that the processed pin headers cannot be ensured to be completely consistent, and the possibility of uneven pin headers on two sides is high; 3) the row needles are deformed in the transportation process after the enameled wires are wound, so that the row needles on two sides are not balanced in height. The existence of the problems causes that the paster E-shaped inductance framework cannot be used, and the loss is increased; if a patch E-shaped inductance framework with uneven pin arrangement heights on two sides is used, the pin arrangement and the PCB are not easy to weld.

Disclosure of Invention

The utility model aims to solve the technical problem that a paster E type inductance skeleton is provided, it does not have the loss hardly, and easily welds with the PCB board.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides a paster E type inductance skeleton, includes bakelite skeleton, is the last magnetic core and the lower magnetic core of E type structure, its characterized in that: the bottom bilateral symmetry of bakelite skeleton have a plurality of welding part fixed points, the welding part fixed point on process be used for with PCB board welded sheetmetal, all the bottom surface of sheetmetal be in on the same horizontal plane.

The bakelite framework consists of a main body part, an upper end part and a lower end part, wherein the upper end part is integrally arranged on the top of the main body part, the lower end part is integrally arranged on the bottom of the main body part, the edges of the upper end part and the lower end part exceed the main body part and form a winding groove together with the main body part for winding an enameled wire, the upper end part and the lower end part restrict the shape of the enameled wire wound in the winding groove so as to prevent the wound enameled wire from being separated from the main body part, an insertion hole is formed from the top surface of the upper end part to the bottom surface of the lower end part through the upper end part, the main body part and the lower end part, the middle extension part of the upper magnetic core is an upper central column, the middle extension part of the lower magnetic core is a lower central column, and the upper magnetic core is buckled on the top surface of the upper end part after the enameled wire is wound on the, the upper central column is formed by inserting the insertion hole into the insertion hole, the two side extending parts of the upper magnetic core are covered on the periphery of the wound enameled wire, the lower magnetic core is buckled on the bottom surface of the lower end part, the lower central column is formed by inserting the insertion hole into the insertion hole through the opening on one side of the lower end part, the two side extending parts of the lower magnetic core are covered on the periphery of the wound enameled wire, and the welding parts are fixed and symmetrically positioned on two sides of the bottom surface of the lower end part.

The bottom surface of the lower end part is symmetrically and integrally provided with supporting blocks, the two supporting blocks and the bottom surface of the lower end part enclose a containing cavity for containing the plane part of the lower magnetic core, and a plurality of welding part fixing points are symmetrically and integrally arranged at the bottoms of the two supporting blocks. Set up two supporting shoes and provide one for lower magnetic core and hold the chamber, make the magnetic core not contact with the PCB board down after sheetmetal and PCB board welding.

And an adhesive tape is arranged outside the enameled wire wound on the winding groove. The upper magnetic core and the lower magnetic core are adhered together by using the adhesive tape, so that no gap exists between the upper magnetic core and the lower magnetic core.

Compared with the prior art, the utility model has the advantages of:

welding part fixing points are symmetrically arranged on two sides of the bottom of the bakelite framework, metal sheets are processed on the welding part fixing points, and the metal sheets are welded with the PCB; the metal sheet belongs to the piece structure, and processing is convenient, very easily makes the basal surface of all metal sheets in this paster E type inductance skeleton be in same horizontal plane, does not have the uneven circumstances of height, and the metal sheet can not take place to warp yet in the transportation for the loss that paster E type inductance skeleton of this kind of structure produced because of the metal sheet is nearly zero, and easily welds with the PCB board.

Drawings

Fig. 1 is a schematic view of the overall structure of a patch E-type inductor framework of the present invention;

fig. 2 is a front view of the patch E-shaped inductor bobbin of the present invention;

fig. 3 is a side view of the chip E-shaped inductor bobbin of the present invention;

fig. 4 is the utility model discloses a paster E type inductance skeleton's decomposition structure schematic diagram.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

The utility model provides a paster E type inductance skeleton, as shown in the figure, it includes bakelite skeleton 1, is last magnetic core 2 and lower magnetic core 3 of E type structure, and the bottom bilateral symmetry of bakelite skeleton 1 has 2 weld part fixed points 16, and processing has on the weld part fixed point 16 be used for with PCB board welded sheetmetal 4, all sheetmetal 4's basal surface is in on the same horizontal plane.

In the present embodiment, the bakelite framework 1 comprises a main body 11, an upper end 12 integrally disposed on the top of the main body 11, and a lower end 13 integrally disposed on the bottom of the main body 11, wherein the edges of the upper end 12 and the lower end 13 both exceed the main body 11 and together with the main body 11 define a winding slot 14 for winding the enamel wire 5, the upper end 12 and the lower end 13 constrain the shape of the enamel wire 5 wound in the winding slot 14 to prevent the wound enamel wire 5 from being separated from the main body 11, insertion holes (not shown in the figure) are formed through the upper end 12, the lower end 11, and the lower end 13 from the top surface of the upper end 12 to the bottom surface of the lower end 13, the middle extension portion of the upper magnetic core 2 is an upper central column 21, the middle extension portion of the lower magnetic core 3 is a lower central column 31, and the adhesive tape 6 is disposed outside the enamel wire 5 wound on the, the upper magnetic core 2 is buckled on the top surface of the upper end part 12, the upper central column 21 is inserted into the insertion hole from the opening of the insertion hole at one side of the upper end part 12, the extending parts 22 at two sides of the upper magnetic core 2 are covered on the periphery of the adhesive tape 6 outside the wound enameled wire 5, the lower magnetic core 3 is buckled on the bottom surface of the lower end part 13, the lower central column 31 is inserted into the insertion hole from the opening of the insertion hole at one side of the lower end part 13, the extending parts 32 at two sides of the lower magnetic core 3 are covered on the periphery of the adhesive tape 6 of the wound enameled wire 5, and the 4 fixing points 16 are symmetrically.

In this embodiment, the support blocks 15 are symmetrically and integrally provided on both sides of the bottom surface of the lower end portion 13, the two support blocks 15 and the bottom surface of the lower end portion 13 define a receiving cavity 17 for receiving the planar portion 33 of the lower core 3, and 4 welding portion fixing points 16 are symmetrically and integrally provided on the bottom of the two support blocks 15, that is, the bottom of each support block 15 has 2 welding portion fixing points 16. Set up two supporting shoes 15 and provide one for magnetic core 3 down and hold chamber 17, make magnetic core 3 not contact with the PCB board down after sheetmetal 4 and PCB board welding.

Claims

1. The utility model provides a paster E type inductance skeleton, includes bakelite skeleton, is the last magnetic core and the lower magnetic core of E type structure, its characterized in that: the bottom bilateral symmetry of bakelite skeleton have a plurality of welding part fixed points, the welding part fixed point on process be used for with PCB board welded sheetmetal, all the bottom surface of sheetmetal be in on the same horizontal plane.

2. A patch E type inductor form according to claim 1, characterized in that: the bakelite framework consists of a main body part, an upper end part and a lower end part, wherein the upper end part is integrally arranged on the top of the main body part, the lower end part is integrally arranged on the bottom of the main body part, the edges of the upper end part and the lower end part exceed the main body part and form a winding groove together with the main body part for winding an enameled wire, the upper end part and the lower end part restrict the shape of the enameled wire wound in the winding groove so as to prevent the wound enameled wire from being separated from the main body part, an insertion hole is formed from the top surface of the upper end part to the bottom surface of the lower end part through the upper end part, the main body part and the lower end part, the middle extension part of the upper magnetic core is an upper central column, the middle extension part of the lower magnetic core is a lower central column, and the upper magnetic core is buckled on the top surface of the upper end part after the enameled wire is wound on the, the upper central column is formed by inserting the insertion hole into the insertion hole, the two side extending parts of the upper magnetic core are covered on the periphery of the wound enameled wire, the lower magnetic core is buckled on the bottom surface of the lower end part, the lower central column is formed by inserting the insertion hole into the insertion hole through the opening on one side of the lower end part, the two side extending parts of the lower magnetic core are covered on the periphery of the wound enameled wire, and the welding parts are fixed and symmetrically positioned on two sides of the bottom surface of the lower end part.

3. A patch E type inductor form as claimed in claim 2, wherein: the bottom surface of the lower end part is symmetrically and integrally provided with supporting blocks, the two supporting blocks and the bottom surface of the lower end part enclose a containing cavity for containing the plane part of the lower magnetic core, and a plurality of welding part fixing points are symmetrically and integrally arranged at the bottoms of the two supporting blocks.

4. A patch E type inductor form according to claim 3, characterized in that: and an adhesive tape is arranged outside the enameled wire wound on the winding groove.