CN214254086U

CN214254086U - Plug-in type transformer framework

Info

Publication number: CN214254086U
Application number: CN202023301328.7U
Authority: CN
Inventors: 李胜
Original assignee: Shoubang Electronics Suzhou Co ltd
Current assignee: Shoubang Electronics Suzhou Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-09-21
Anticipated expiration: 2030-12-31

Abstract

The utility model discloses a cartridge type transformer framework, which comprises a first framework and a second framework, wherein the first framework is provided with a slot for the second framework to be inserted, each framework is provided with a coil winding slot, a plurality of terminals matched with a coil leading-out end and a plurality of wire passing structures matched with the terminals; the second skeleton is equipped with elastic compression structure, and the entry end of slot is equipped with can compress tightly the mouth with elastic compression structure complex. The design enables the primary coil and the secondary coil to be wound respectively and then assembled into the transformer, and due to the arrangement of the wire passing structure, the primary coil and the secondary coil are wound conveniently, so that favorable conditions are provided for improving the manufacturing efficiency of the transformer.

Description

Plug-in type transformer framework

Technical Field

The utility model relates to an electron device of small-size electronic product, concretely relates to transformer.

Background

A transformer is a device that changes an alternating voltage using the principle of electromagnetic induction, and main components are a primary coil, a secondary coil, and an iron core (magnetic core). A transformer applied to electronic products belongs to a small transformer. Such as transformers in televisions, displays. With the trend of light and thin electronic products, the transformers tend to be more miniaturized.

The coil of the small transformer is formed by winding a lead on a framework, and the framework is matched with an iron core to form the transformer. Before winding the lead, the head end of the lead (an outlet end of the transformer coil) needs to be lifted out or fixed on a terminal of the framework. After the wire winding is finished, the tail end of the wire (the other leading-out end of the transformer coil) is fixed on the corresponding terminal of the framework.

SUMMERY OF THE UTILITY MODEL

The utility model solves the technical problem that: the manufacturing efficiency of the transformer is improved.

In order to solve the technical problem, the utility model provides a following technical scheme: the plug-in type transformer framework comprises a first framework and a second framework, wherein the first framework is provided with a slot for the second framework to be inserted into, and each framework is provided with a coil winding slot, a plurality of terminals matched with coil leading-out ends and a plurality of wire passing structures matched with the terminals; the second skeleton is equipped with elastic compression structure, and the entry end of slot is equipped with can compress tightly the mouth with elastic compression structure complex.

The primary coil is wound in the coil winding groove of the first framework, and the leading-out end of the primary coil is connected with the terminal of the first framework after passing through the wire passing structure of the first framework. The secondary coil is wound in the coil winding groove of the second framework, and the leading-out end of the secondary coil is connected with the terminal of the second framework after passing through the wire passing structure of the second framework. And then, the second framework is inserted into the slot of the first framework, and the elastic compression structure is matched with the compression port to enable the two frameworks to be in a stable state.

The utility model discloses make the coiling of primary coil and secondary coil can go on respectively and assemble into the transformer again, just, owing to cross the setting of line structure, the coiling of primary coil and secondary coil is more convenient, provides the advantage for the improvement of transformer preparation efficiency.

Drawings

The invention will be further explained with reference to the drawings:

FIG. 1 is a schematic diagram of a cartridge transformer bobbin;

FIG. 2 is an exploded view of FIG. 1;

fig. 3 is a schematic view of the exploded view of fig. 2 viewed from above.

The symbols in the drawings illustrate that:

10. a first skeleton; 101. a first coil winding groove; 102. a first terminal; 103. a first wire passing structure; 104. a first winding table; 105. a first wire passing groove; 106. an upper edge plate of the first coil winding groove; 107. a lower side plate of the first coil winding groove; 11. a slot; 12. a compression port; 13. positioning the notch;

20. a second skeleton; 201. winding a slot by a second coil; 202. a second terminal; 203. a second wire passing structure; 204. a second winding table; 205. a second wire passing groove; 206. the second coil is wound on the upper edge plate of the groove; 207. a second coil is wound on the lower side plate of the groove; 21. an elastic compression structure; 22. a step; 23. a convex positioning structure; 24. and (4) a boss structure.

Detailed Description

Referring to fig. 1 to 3, the plug-in type transformer bobbin includes a first bobbin 10 and a second bobbin 20, and the first bobbin is provided with a slot 11 for the second bobbin to be inserted into.

The first bobbin 10 is provided with a first coil winding groove 101, a plurality of first terminals 102 matched with the primary coil leading-out terminals, and a plurality of first wire passing structures 103 matched with the first terminals. The first wire passing structure comprises a first wire winding table 104 and a first wire passing groove 105. The primary coil is wound in the first coil winding groove, and the leading-out end of the primary coil passes through the first wire passing groove 105, is wound through the first winding table 104, and is then connected with the first terminal 102. The first wire passing structure 103 has limiting and stabilizing effects on the leading-out end.

The second bobbin 20 is provided with a second coil winding slot 201, a plurality of second terminals 202 matched with the secondary coil leading-out terminals, and a plurality of second wire passing structures 203 matched with the second terminals. The second wire passing structure comprises a second wire winding table 204 and a second wire passing groove 205. The secondary coil is wound in the second coil winding groove, and the leading-out end of the secondary coil passes through the second wire passing groove 205, and is connected with the second terminal 202 after passing through the second winding table 204.

The second framework 20 is provided with an elastic pressing structure 21, and the inlet end of the slot 11 is provided with a pressing opening 12 matched with the elastic pressing structure. The second framework 20 wound with the secondary coil is inserted into the slot 11 of the first framework, and the elastic pressing structure 21 is matched with the pressing opening 12, so that the two frameworks are in a stable state.

A first wire passing structure 103 is arranged on an upper side plate 106 of the first coil winding groove, a first terminal 102 is arranged on a lower side plate 107 of the first coil winding groove, and the slot 11 is arranged on the lower side plate of the first coil winding groove; the second wire passing structure 203 is arranged on the lower side plate 207 of the second coil winding groove, the elastic pressing structure 21 is arranged on the lower side plate 207 of the second coil winding groove, and the second terminal 202 is arranged on the upper side plate 206 of the second coil winding groove.

A step 22 is arranged between the wire passing structure of the second framework 20 and the elastic pressing structure 21, and the direction in which the second framework is inserted into the slot 11 is set as the front direction, so that the step 22 can limit the position of the second framework 20 relative to the left and right direction of the first framework 10, and the position relationship of the two frameworks is in a stable state.

The lower edge plate 207 of the second coil winding groove is provided with a convex positioning structure 23, the bottom of the slot 11 is provided with a positioning opening 13 matched with the convex positioning structure, and the positioning opening is matched with the convex positioning structure to limit the front, back, left, right, upper and lower positions of the second framework relative to the first framework, so that the transformer framework is in a stable state.

One end of the second frame 20 is provided with a boss structure 24 capable of pressing against one side of the winding groove of the first frame coil. The second framework is inserted into the slot 11, and the slot can limit the secondary coil on the second framework; and boss structure 24 can carry on spacingly to the primary coil on the first skeleton, avoids the coil to be in disorder.

The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.

Claims

1. Cartridge formula transformer skeleton, including first skeleton (10) and second skeleton (20), first skeleton is equipped with and supplies second skeleton male slot (11), its characterized in that: each framework is provided with a coil winding groove, a plurality of terminals matched with the coil leading-out ends and a plurality of wire passing structures matched with the terminals; the second skeleton is equipped with elasticity compact structure (21), and the entry end of slot is equipped with can compress tightly mouthful (12) with elasticity compact structure complex.

2. The cartridge transformer skeleton of claim 1, wherein: the upper side plate of the coil winding groove of the first framework (10) is provided with a wire passing structure of the first framework, the terminal of the first framework is arranged on the lower side plate of the coil winding groove of the first framework, and the inserting groove (11) is arranged on the lower side plate of the coil winding groove of the first framework; the lower side plate of the coil winding groove of the second framework (20) is provided with a wire passing structure of the second framework, the elastic pressing structure (21) is arranged on the lower side plate of the coil winding groove of the second framework, and the terminal of the second framework is arranged on the upper side plate of the coil winding groove of the second framework.

3. The cartridge transformer skeleton of claim 2, wherein: a step (22) is arranged between the wire passing structure of the second framework (20) and the elastic pressing structure (21).

4. The cartridge transformer skeleton of claim 2, wherein: and a convex positioning structure (23) is arranged on the lower side plate of the second framework coil winding groove, and a positioning notch (13) which can be matched with the convex positioning structure is arranged at the bottom of the slot (11).

5. The cartridge transformer skeleton of claim 2, wherein: one end of the second framework (20) is provided with a boss structure (24) which can be pressed on one side of the winding groove of the first framework coil.