CN210575464U - Coil skeleton and inductor - Google Patents

Abstract

The utility model belongs to the technical field of the power equipment technique and specifically relates to a coil skeleton and inductor are related to. This coil skeleton includes: supporting part, wire winding portion, a plurality of stitch and a plurality of sheetmetal. The application provides a coil skeleton and inductor has adopted boss, sheetmetal and welding groove, and the end of drawing forth of coil can be connected with the end of drawing forth of coil and sheetmetal tin soldering through trough, first metallic channel and second metallic channel arrival welding groove department in proper order during the use. The utility model also provides an inductor, including any one of the above-mentioned technical scheme coil skeleton, therefore have coil skeleton's whole beneficial effect.

Description

Coil skeleton and inductor

Technical Field

The application relates to the technical field of power equipment, in particular to a coil framework and an inductor.

Background

At present, the operation of an inductor and a transformer cannot be separated from the operation of a plurality of electrical equipment; the inductor is an element capable of converting electric energy into magnetic energy to be stored, the inductor and the transformer both need a framework and a winding, the winding refers to a group of coils with specified functions, and the coils are wound on the framework and are connected with the PCB after being soldered with metal pins on the framework to play a role in conducting electricity.

After the winding is finished in the prior art, because the outer wall of the pin is cylindrical, the leading-out end of the coil needs to be manually wound on the pin for a circle and then soldered for welding, so that time and labor are wasted; meanwhile, the coil wound with the pin is easy to break, and the use of the inductor or the transformer is affected.

Therefore, a bobbin and an inductor which facilitate the bonding of the coil and the pin are needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a coil skeleton and inductor to solve the aforementioned problem that exists among the prior art.

In order to solve the technical problem, the utility model discloses a following technical scheme:

a coil bobbin, includes supporting part and the winding portion that is used for winding the coil, still includes: the plurality of pins are arranged at the top of the supporting part and fixedly connected with the supporting part; the metal sheets are arranged on the top of the supporting part and are in conductive connection with the corresponding pins; and the leading-out end of the coil is connected with the corresponding metal sheet in a soldering mode.

Further, the metal sheet is circular, rectangular or square, and the free end of the pin penetrates through the metal sheet and extends outwards to form a section.

Furthermore, a welding groove is formed in the metal sheet, and the leading-out end of the coil is arranged in the welding groove and connected with the corresponding metal sheet in a soldering mode.

Furthermore, a plurality of through wiring grooves are formed in the supporting portion, and the leading-out end of the coil reaches the top of the supporting portion along the wiring grooves.

Furthermore, a plurality of bosses are arranged at the top of the supporting part, first wire grooves and second wire grooves are arranged on the bosses, the first wire grooves are communicated with the corresponding wire distribution grooves, and the second wire grooves are arranged opposite to the corresponding welding grooves so as to form a guide channel for guiding the leading-out ends of the coils to the welding grooves.

Furthermore, the bottoms of the welding groove and the second wire groove are both in an inwards concave arc shape so as to be matched with the outer wall of the enameled wire for the coil.

One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:

the embodiment of the application adopts the boss, the metal sheet and the welding groove, and when the coil is used, the leading-out end of the coil can be connected with the metal sheet through tin soldering when the leading-out end of the coil sequentially reaches the welding groove through the wiring groove, the first wire groove and the second wire groove.

The utility model also provides an inductor, including any one of the above-mentioned technical scheme coil skeleton, therefore have coil skeleton's whole beneficial effect, no longer give consideration to here.

Drawings

Fig. 1 is a front view of a coil bobbin proposed in the present application;

FIG. 2 is a schematic structural diagram of a boss in an embodiment of the present application;

FIG. 3 is a left side view of a bobbin of an embodiment of the present application;

fig. 4 is a top view of a bobbin according to an embodiment of the present application.

Description of the reference numerals

10-coil framework, 101-winding part, 102-supporting part, 1021-wiring groove, 103-pin, 104-boss, 1041-first wire groove, 1042-second wire groove, 105-metal sheet and 1051-welding groove.

Detailed Description

In order that the above objects, features and advantages of the present application can be more clearly understood, a more particular description of the present application will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, however, the present application may be practiced in other ways than those described herein, and therefore the scope of the present application is not limited by the specific embodiments disclosed below.

Fig. 1-4 show a schematic structural diagram of a coil bobbin and an inductor according to the present invention. For convenience of description, the terms "upper", "lower", "left" and "right" are used in the same way as the drawings, but do not limit the structure of the present invention.

As shown in fig. 1-4, a coil bobbin and inductor 10 includes a bobbin body, a plurality of pins 103, a plurality of metal sheets 105, and a plurality of bosses 104. Wherein, the skeleton body can select materials such as plastics, bakelite, pottery, for the support of coiling. The framework body comprises a supporting part 102 and a winding part 101, and optionally, a cavity is formed inside the winding part 101 to accommodate and fix the magnetic core; the supporting portion 102 is disposed on the top of the winding portion 101, and optionally, the supporting portion 102 is integrally formed with the winding portion 101.

A plurality of pins 103 (e.g. 4) are made of metal conductive material. A plurality of pins 103 are disposed on top of the support portion 102 and are evenly distributed. The first end of each pin 103 is fixedly connected to the supporting portion 102, and the second end is a free end and extends upwards. The second end of pin 103 may be connected to a circuit board for electrical conduction.

A plurality of wiring grooves 1021 are formed in the supporting part 102, each wiring groove 1021 is vertically communicated, and the extending direction of each wiring groove 1021 is vertical to the length direction of the supporting part 102; the number of cabling slots 1021 corresponds to the number of pins 103. The leading end of the coil can reach the top of the support 102 along the wiring groove 1021 and is connected to the metal sheet 105.

A plurality of bosses 104 are arranged on the top of the support part 102 and fixedly connected with the support part 102, and the number of the bosses 104 is the same as that of the wiring grooves 1021. The boss 104 is provided with a first wire groove 1041 and a second wire groove 1042, the first wire groove 1041 is communicated with the corresponding wire running groove 1021, the depth of the groove is the same, the second wire groove 1042 is perpendicular to the first wire groove 1041, and the groove bottom of the second wire groove 1042 is in an inward concave arc shape to form a guide channel for guiding the leading-out end of the coil to the metal sheet 105. When winding, the leading-out end of the coil reaches the metal sheet 105 through the wiring groove 1021, the first wire groove 1041 and the second wire groove 1042 in sequence for welding.

And a plurality of metal sheets 105 disposed on the top of the support part 102, the metal sheets 105 being one of circular, rectangular, or square. The present embodiment is described by taking a rectangular shape as an example.

The number of the metal sheets 105 is the same as that of the pins 103, the second ends of the pins 103 penetrate through the central position of the metal sheets 105 and extend upwards for a section, and the pins 103 are electrically connected with the metal sheets 105. Optionally, the metal sheet 105 is welded to the pin 103 in a unitary structure so that the metal sheet 105 and the pin 103 are conductively connected. Each metal sheet 105 is provided with a welding groove 1051, and the welding groove 1051 is arranged on the side of the metal sheet 105 facing the boss 104; the bottom of the welding groove 1051 is an inward-concave arc and is adapted to the outer wall of the enameled wire to be welded. The welding groove 1051 is provided to face the second wire groove 1042 of the boss 104 at the same depth so that the lead end of the coil reaches the welding groove 1051 of the metal piece 105 and is soldered to the metal piece 105.

The working principle of the embodiment of the application is as follows: when the coil is wound and needs to be welded, an operator can solder the leading end of the coil to the welding groove 1051 on the metal sheet 105 through the wiring groove 1021 on the supporting part 102, the first wire groove 1041 on the boss 104 and the second wire groove 1042 in sequence, and weld the leading end of the coil and the metal sheet 105 together.

The utility model also provides an inductor, including any one of the above-mentioned technical scheme coil skeleton, therefore have coil skeleton's whole beneficial effect, no longer give consideration to here.

In summary, the coil bobbin and the inductor provided by the application adopt the boss, the metal sheet and the welding groove, and when the coil bobbin and the inductor are used, the leading-out end of the coil sequentially passes through the wiring groove, the first wire groove and the second wire groove to reach the welding groove, so that the leading-out end of the coil can be connected with the metal sheet in a tin soldering mode. The utility model also provides an inductor, including any one of the above-mentioned technical scheme coil skeleton, therefore have coil skeleton's whole beneficial effect.

In this application, the term "plurality" means two or more unless explicitly defined otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In the present application, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (7)

1. A coil skeleton, includes supporting part and the winding portion that is used for winding coil, its characterized in that still includes:

the plurality of pins are arranged at the top of the supporting part and fixedly connected with the supporting part;

the metal sheets are arranged on the top of the supporting part and are in conductive connection with the corresponding pins; and the leading-out end of the coil is connected with the corresponding metal sheet in a soldering mode.

2. The bobbin of claim 1 wherein the metal sheet is one of round, rectangular or square, and the free ends of the stitches extend outwardly through the metal sheet.

3. The bobbin of claim 2, wherein the metal sheets are provided with welding grooves, and the terminals of the coil are disposed in the welding grooves and soldered to the corresponding metal sheets.

4. The bobbin of claim 3, wherein the support portion is provided with a plurality of through-going wiring slots, and the coil terminals extend along the wiring slots to the top of the support portion.

5. The bobbin of claim 4, wherein the supporting portion has a plurality of bosses formed at a top thereof, the bosses having first wire grooves and second wire grooves, the first wire grooves communicating with the corresponding wire grooves, the second wire grooves being disposed opposite to the corresponding solder grooves to form guide channels for guiding the terminals of the coil to the solder grooves.

6. The bobbin of claim 5, wherein the bottom of the welding slot and the bottom of the second wire slot are both concave and arc-shaped to fit the outer wall of the enameled wire for coil.

7. An inductor comprising the bobbin of any one of claims 1-6.

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