CN212783015U

CN212783015U - Compound wire rack

Info

Publication number: CN212783015U
Application number: CN202021515248.9U
Authority: CN
Inventors: 李胜
Original assignee: Shoubang Electronics Suzhou Co ltd
Current assignee: Shoubang Electronics Suzhou Co ltd
Priority date: 2020-07-28
Filing date: 2020-07-28
Publication date: 2021-03-23
Anticipated expiration: 2030-07-28

Abstract

The utility model discloses a double entry line frame, including two coiling structures that parallel, a through-hole runs through two coiling structures, and arbitrary coiling structure is equipped with terminal and wire winding part, is equipped with the wrapping post on the route of terminal to wire winding part and crosses the wire casing. Compare among the prior art coil and draw forth end snap-on corresponding terminal, the utility model discloses a coil draws forth the end process cross the wire casing with be connected with corresponding terminal behind the wrapping post again, can stabilize the end of drawing forth of coil, avoid drawing forth and take place not hard up between end and the coil, avoid drawing forth between end and the corresponding terminal not hard up, and then, make the stable performance of whole transformer.

Description

Compound wire rack

Technical Field

The utility model relates to an 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 miniature transformer is formed by winding a conducting wire on a wire frame, and the wire frame is matched with an iron core to form the transformer. Before winding the wires, the head end of the wires (an outlet end of the transformer coil) needs to be lifted out or fixed on a terminal of a wire frame. After the wire is wound, the tail end of the wire (the other leading-out end of the transformer coil) is fixed on a corresponding terminal of the wire frame.

SUMMERY OF THE UTILITY MODEL

The utility model solves the technical problem that: the fixing of the leading-out end of the transformer coil is convenient.

In order to solve the technical problem, the utility model provides a following technical scheme: a compound wire frame comprises two parallel winding structures, a through hole penetrates through the two winding structures, a terminal and a winding part are arranged on any one winding structure, and a winding post and a wire passing groove are arranged on a path from the terminal to the winding part.

And one winding structure is used for winding the primary coil, and the other winding structure is used for winding the secondary coil.

The winding method of the primary coil is the same as that of the secondary coil, taking the winding method of the primary coil as an example: one end of a wire used for winding the primary coil is fixed on the terminal, the wire extends towards the winding part, and when passing through the winding post, the wire is wound on the winding post, and then after passing through the wire passing groove, the wire starts to be wound on the winding part, and after the wire passing groove is completed, the other end of the wire is wound on another winding post after passing through another wire passing groove, and then is fixed on another terminal, so that the primary coil is manufactured.

Above-mentioned, fix the wire tip on corresponding terminal and be the end of drawing forth of coil promptly, compare in prior art coil and draw forth the end snap-on corresponding terminal, the utility model discloses a coil draws forth the end process cross the wire casing with be connected with corresponding terminal behind the wrapping post again, can stabilize the end of drawing forth of coil, avoid drawing forth and take place between end and the coil not hard up, avoid drawing forth between end and the corresponding terminal not hard up, and then, make the stable performance of whole transformer. In addition, the end part of the lead used for winding the coil is positioned in the wire passing groove, so that the lead cannot rub with the lead part in the wire passing groove in the winding process, the lead is prevented from being abraded and even broken, and the safety of the transformer is improved.

Drawings

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

FIG. 1 is a schematic view of a multiple wire stand;

FIG. 2 is a schematic view of the multiple bobbin of FIG. 1 viewed from below;

fig. 3 is a schematic view of the duplex bobbin of fig. 1 viewed from the rear.

The symbols in the drawings illustrate that:

10. a first winding structure; 11. a second side plate; 12. a winding portion of the first winding structure; 13. a first convex portion; 14. a first recessed region; 15. a first groove; 161. a first terminal; 162. a second terminal; 171. a first wire passing groove; 172. a second wire passing groove; 181. a first winding post; 182. a second winding post;

20. a second winding structure; 21. a third side plate; 22. a winding portion of the second winding structure; 23. a second convex portion; 24. a second recessed region; 25. a second groove; 261. a third terminal; 262. a fourth terminal; 271. a third wire passing groove; 272. a fourth wire passing groove; 281. a third winding post; 282. a fourth winding post;

30. a first side plate;

40. and a through hole.

Detailed Description

Referring to fig. 1, the duplex bobbin comprises two winding structures arranged in parallel, a through hole 40 penetrates through the two winding structures, each winding structure is provided with a terminal and a winding part, and a winding post and a wire passing groove are arranged on the path from the terminal to the winding part.

Two winding structures are provided, a first winding structure 10 and a second winding structure 20, respectively, with a primary coil wound on the winding portion 12 of the first winding structure and a secondary coil wound on the winding portion 22 of the second winding structure.

The first winding structure 10 is provided with two terminals, which are provided as a first terminal 161 and a second terminal 162, and accordingly, the first winding structure is provided with two wire passing grooves and two winding posts, which are provided as a first wire passing groove 171 and a second wire passing groove 172, and a first winding post 181 and a second winding post 182. One end of a wire for winding a primary coil is fixed on the first terminal 161, the wire extends towards the winding part 12 of the first winding structure, and when passing through the first winding post 181, the wire is wound on the first winding post, and then after passing through the first wire passing groove 171, the wire starts to be wound on the winding part 12 of the first winding structure, and after the completion, the other end of the wire passes through the second wire passing groove 172, is wound on the second winding post 182, and is then fixed on the second terminal 162, so that the primary coil is manufactured.

As shown in fig. 2, the second winding structure 20 is provided with two terminals, which are provided as a third terminal 261 and a fourth terminal 262, and accordingly, the second winding structure is provided with two wire passing grooves and two winding posts, which are provided as a third wire passing groove 271 and a fourth wire passing groove 272, and a third winding post 281 and a fourth winding post 282. The secondary coil is wound on the second winding structure 20 in the same manner as the primary coil is wound on the first winding structure 10, and the path of the wire used for winding the secondary coil is summarized as follows: one end of the wire is fixed to the third terminal 261, and then wound around the third winding post 281 and passing through the third wire passing groove 271, the wire is wound around the winding portion 22 of the second winding structure to form a coil, and the other end of the wire passes through the fourth wire passing groove 272, and then is wound around the fourth winding post 282 and then fixed to the fourth terminal 262.

As shown in fig. 1, the first winding structure 10 and the second winding structure 20 share a first side plate 30, the first winding structure further includes a second side plate 11, and the winding portion 12 of the first winding structure is located between the second side plate and the first side plate; the second winding structure further includes a third side plate 21, and the winding portion 22 of the second winding structure is located between the third side plate and the first side plate.

The first terminal 161, the second terminal 162, the first wire passing groove 171, the second wire passing groove 172, the first winding post 181, and the second winding post 182 of the first winding structure 10 are disposed on the second side plate 11.

The third terminal 261, the fourth terminal 262, the third wire passing groove 271, the fourth wire passing groove 272, the third wire winding post 281, and the fourth wire winding post 282 of the second wire winding structure 20 are disposed on the third side plate 21.

The first winding leg 181 and the second winding leg 182 of the first winding structure 10 are located on the rear surface of the second side plate 11 and the winding portion 12 of the first winding structure is located on the front surface of the second side plate. In this way, when the primary coil is wound around the winding portion 12 of the first winding structure, the primary coil is not hindered by the primary coil lead-out end, and is not hindered by the first winding leg and the second winding leg. The leading-out ends of the primary coil, namely two ends of a wire for winding the primary coil, are respectively wound on the first winding post and the second winding post.

The third and fourth winding

legs

281 and 282 of the second winding structure 20 are located at the rear of the third board 21 and the winding portion 22 of the second winding structure is located at the front of the third board. When the secondary coil is wound on the winding portion 22 of the second winding structure, the secondary coil is not hindered by the secondary coil leading end, and is not hindered by the third winding leg and the fourth winding leg.

The back of the second side plate 11 is provided with a first protrusion 13, and a first recessed area 14 is formed between one side wall of the first protrusion and the winding post on the second side plate 11 for accommodating the wires wound on the first winding post 181 and the second winding post 182.

The back of the third side plate 21 is provided with a second protrusion 23, and a second recessed area 24 is formed between a side wall of the second protrusion and the winding post on the third side plate for accommodating the wires wound on the third winding post 281 and the fourth winding post 282.

As shown in fig. 3, the first protrusion 13 defines a first dustpan-shaped recess 15, the second protrusion 23 defines a second dustpan-shaped recess 25, and the first recess and the second recess are located at both ends of the through hole 40. In actual operation, can insert the iron core of establishing the bar form in the through-hole 40, also can cooperate with annular iron core, specifically, annular iron core is formed by two U-shaped iron core amalgamations, establishes two U-shaped iron cores and is first U-shaped iron core and second U-shaped iron core respectively, and first U-shaped iron core and second U-shaped iron core all have two feet, and a foot of first U-shaped iron core from top to bottom inserts through-hole 40, and, first U-shaped iron core location is in first recess 15, and a foot of second U-shaped iron core from bottom to top inserts through-hole 40, and, second U-shaped iron core location is in second recess 25. And one leg of the first U-shaped iron core inserted into the through hole 40 abuts against one leg of the second U-shaped iron core, and the first U-shaped iron core and the second U-shaped iron core are fixed by glue or adhesive tape to form the transformer.

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. The utility model provides a compound line frame, includes two wire winding structures that parallel, a through-hole (40) run through two wire winding structures, and arbitrary wire winding structure is equipped with terminal and wire winding part, its characterized in that: and a winding post and a wire passing groove are arranged on the path from the terminal to the winding part.

2. The manifold rack of claim 1, wherein: the two winding structures are respectively a first winding structure (10) and a second winding structure (20), the first winding structure and the second winding structure share a first side plate (30), the first winding structure further comprises a second side plate (11), and the winding part of the first winding structure is positioned between the second side plate and the first side plate; the second winding structure also comprises a third side plate (21), and the winding part of the second winding structure is positioned between the third side plate and the first side plate; the terminal, the winding post and the wire passing groove of the first winding structure are arranged on the second side plate, and the terminal, the winding post and the wire passing groove of the second winding structure are arranged on the third side plate.

3. The manifold rack of claim 2, wherein: the winding posts of the first winding structure (10) are positioned on the back surface of the second side plate (11) and the winding parts of the first winding structure are positioned on the front surface of the second side plate, the winding posts of the second winding structure (20) are positioned on the back surface of the third side plate (21) and the winding parts of the second winding structure are positioned on the front surface of the third side plate.

4. The manifold rack of claim 3, wherein: a first convex part (13) is arranged on the back surface of the second side plate (11), and a first concave area (14) is formed between one side wall of the first convex part and the winding post on the second side plate (11); a second convex part (23) is arranged on the back surface of the third side plate (21), and a second concave area (24) is formed between one side wall of the second convex part and the winding post on the third side plate.

5. The manifold rack of claim 4, wherein: the first convex part (13) is provided with a dustpan-shaped first groove (15), the second convex part (23) is provided with a dustpan-shaped second groove (25), and the first groove and the second groove are positioned at two ends of the through hole (40).