CN210668051U

CN210668051U - Novel paster inductor

Info

Publication number: CN210668051U
Application number: CN201922052398.4U
Authority: CN
Inventors: 陈楚彬
Original assignee: Shenzhen Jiangmeng Magnetic Technology Co ltd
Current assignee: Shenzhen Jiangmeng Magnetic Technology Co ltd
Priority date: 2019-11-25
Filing date: 2019-11-25
Publication date: 2020-06-02
Anticipated expiration: 2029-11-25

Abstract

The utility model belongs to the technical field of inductance application, and discloses a novel chip inductor, which comprises a framework, an enameled wire and metal pins, wherein the enameled wire is wound on the outer surface of the framework, the upper end and the lower end of the framework are respectively and integrally connected with a first blade and a second blade, the metal pins are symmetrically fixed on the first blade, the two metal pins are both fixed by a fixed part, weld part and wire winding portion are constituteed, are equipped with two sealed guide structures on the first blade, and two sealed guide structure symmetrical arrangement, every sealed guide structure correspond fixed part, and two wire winding portions are connected with the positive terminal and the negative pole end winding of enameled wire respectively, and the fixed part keeps perpendicularly with the weld part, and wire winding portion keeps there being the acute angle and constitutes a V-arrangement structure with the weld part, the utility model relates to a simply, rational in infrastructure, solved and connected insecure and the blade leads to the unstable unbalanced problem to appear because of the solder joint floats high between metal pin and skeleton.

Description

Novel paster inductor

Technical Field

The utility model belongs to the technical field of the inductance is used, especially, relate to a novel inductance of paster.

Background

A patch inductor is an electromagnetic induction element formed by winding an insulated wire (such as an enameled wire, a yarn covered wire, a plastic covered wire and the like) on an insulated framework or a magnetic core, and belongs to a commonly used inductor element. The chip inductor can be communicated with direct current and direct current resistance to conduct alternating current, and conducts isolation and filtering on alternating current signals or forms a resonance circuit with a capacitor, a resistor and the like. Any current in the circuit from the chip inductor will generate a magnetic field, the magnetic flux of which will in turn act on the circuit.

The inductor in the prior art adopts the cooperation of plug-in components pin and circuit board guide pin hole to switch on the inductor, and plug-in pin need counterpoint when inserting the guide pin hole of circuit board, makes mistakes easily in the process, and the solder joint of pin is on the magnetic core blade in addition, and drops very easily, and the paster inductance among the prior art needs electro-silvering or other metal material to come as the paster, and the process is more complicated, and the cost is higher moreover. In addition, when the metal pins of the chip inductor are in contact with an external circuit board, the welding spots are protruded and floated, so that the situation that the blades are unstable and unbalanced occurs is often caused, and the metal pins fall off or are disconnected due to unstable connection in the connection process of the metal pins and the framework, so that the inductor cannot work normally, the development of the inductor industry is seriously influenced by the problems, and the situation needs to be changed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel inductance of paster to solve the problem mentioned in the above-mentioned background art.

For realizing the purpose of the above utility model, the technical scheme adopted is as follows:

a novel chip inductor comprises a framework, an enameled wire and metal pins, wherein the enameled wire is wound on the outer surface of the framework, the upper end and the lower end of the framework are respectively and integrally connected with a first blade and a second blade, the metal pins are symmetrically fixed on the first blade, the two metal pins are respectively composed of a fixed part for fixing the metal pins, a welding part for being in contact conduction with an external circuit in a matching way and a winding part for being connected with the enameled wire, the two ends of the welding part are respectively and integrally connected with the fixed part and the winding part, the first blade for fixing the metal pins is provided with two sealing guide structures, the two sealing guide structures are symmetrically arranged along the axial center line of the framework, each sealing guide structure is correspondingly fixed with one fixed part, and one side of the two welding parts, which deviates from the first blade, is a plane and is positioned on the same plane, the two winding parts are respectively connected with the positive end and the negative end of the enameled wire in a winding manner, arc-shaped grooves are symmetrically formed in two sides of the first blade and the second blade and used for guiding the enameled wire to run, the fixed part is perpendicular to the welding part, and the winding parts and the welding part are kept at acute angles to form a V-shaped structure.

The utility model discloses further set up to: sealed guide structure comprises fixed slot, loudspeaker groove and guide way, the loudspeaker groove is seted up first blade deviates from on the terminal surface of the one end of skeleton, the fixed slot has been seted up to the tank bottom in loudspeaker groove, the guide way is seted up first blade deviates from on the terminal surface of the one end of skeleton and respectively with the loudspeaker groove with the arc wall intercommunication.

The utility model discloses further set up to: the fixing part of the metal pin is arranged in the fixing groove and is fixed with the fixing groove through an insulating sealing material, the welding part of the metal pin is arranged in the guide groove and is abutted against the bottom of the guide groove, and the winding part of the metal pin is arranged on two sides of the first blade and is positioned at the arc-shaped groove.

The utility model discloses further set up to: the two metal pins are equal in size, symmetrical in structure and insulated at intervals.

The utility model discloses further set up to: the metal pins are of a flat structure or a cylindrical structure and are made of tin-plated copper wires or tin-plated steel wires.

The utility model discloses further set up to: one side of each welding part, which is far away from the guide groove, is horizontal with the first blade or protrudes out of the first blade.

The utility model discloses further set up to: and the outer surface of the enameled wire wound on the framework and the framework are sleeved with a UL sleeve.

The utility model discloses further set up to: and the winding part forms a fixed welding spot with the positive/negative end of the enameled wire through tin melting.

The utility model discloses further set up to: the insulating sealing material is single-component glue or AB glue.

The utility model discloses further set up to: and a gap between the winding part and the arc-shaped groove is filled with a sealant which is AB glue or UV glue.

In summary, compared with the prior art, the utility model discloses a novel chip inductor, which comprises a framework, an enameled wire and metal pins, wherein the enameled wire is wound on the outer surface of the framework, the upper end and the lower end of the framework are respectively and integrally connected with a first blade and a second blade, the metal pins are symmetrically fixed on the first blade, the two metal pins are composed of a fixed part for fixing the metal pins, a welding part for matching and contacting with an external circuit and a winding part for connecting with the enameled wire, the two ends of the welding part are respectively and integrally connected with the fixed part and the winding part, the first blade for fixing the metal pins is provided with two sealing guide structures, the two sealing guide structures are symmetrically arranged along the axial central line of the framework, each sealing guide structure is correspondingly fixed with one fixed part, one side of the two welding parts, which is far away from the first blade, two wire winding portions are connected with the positive terminal and the negative pole end winding of enameled wire respectively, wherein, the arc wall has been seted up to the equal symmetry in both sides of first blade and second blade, be used for guiding the enameled wire to walk the line, the fixed part keeps perpendicularly with the weld part, wire winding portion keeps there being the acute angle and constitutes a V-arrangement structure with the weld part, through this setting promptly, guarantee the bulk strength of inductance, guarantee metal pin and outside electronic equipment's effective welding, guarantee first blade for outside stationarity, improve the price/performance ratio of inductance, improve market competition.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic diagram of a half-sectional structure of a novel chip inductor provided in this embodiment;

fig. 2 is a schematic view of an overall structure of a framework of the novel chip inductor provided in this embodiment;

fig. 3 is a bottom view of the novel chip inductor provided in this embodiment.

Reference numerals: 1. a framework; 11. a first blade; 12. a second blade; 13. an arc-shaped slot; 14. an insulating sealing material; 2. enamelled wires; 3. a metal pin; 31. a fixed part; 32. welding the part; 33. a winding part. 4. A seal guide structure; 41. fixing grooves; 42. a horn slot; 43. a guide groove; 5. a UL casing; 6. and (7) sealing the glue.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments, it is to be understood that the specific embodiments described herein are only used for explaining the present invention, and are not used for limiting the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or may be communicated with each other inside the two elements, or may be wirelessly connected or wired connected. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the present invention described above can be combined with each other as long as they do not conflict with each other.

A novel chip inductor is disclosed, as shown in fig. 1-3, comprising a framework 1, an enameled wire 2 and metal pins 3, wherein the enameled wire 2 is wound on the outer surface of the framework 1, the upper end and the lower end of the framework 1 are respectively and integrally connected with a first blade 11 and a second blade 12, the metal pins 3 are symmetrically fixed on the first blade 1, each of the two metal pins 3 is composed of a fixing portion 31 for fixing the metal pin 3, a welding portion 32 for being in contact with an external circuit and a winding portion 33 for being connected with the enameled wire 2, the two ends of the welding portion 32 are respectively and integrally connected with the fixing portion 31 and the winding portion 33, the first blade 11 for fixing the metal pins 3 is provided with two sealing guide structures 4, the two sealing guide structures 4 are symmetrically arranged along the axial center line of the framework 1, each sealing guide structure 4 corresponds to the fixing portion 31, one side of the two welding portions 32 departing from the first blade 11 is a plane and is, the two winding portions 33 are respectively connected with the positive end and the negative end of the enameled wire 2 in a winding manner, wherein the arc-shaped grooves 13 are symmetrically formed in two sides of the first blade 11 and the second blade 12 and used for guiding the enameled wire 2 to run, and the fixing portion 31 is perpendicular to the welding portion 32.

In the specific implementation process, the first blade 11 and the second blade 12 integrally connected with the framework 1 are used for furling the enameled wire 2 wound on the outer surface of the framework 1 to form, and the enameled wire 2 is prevented from loosening and sliding off.

In the specific implementation process, sealed guide structure 4 comprises fixed slot 41, loudspeaker groove 42 and guide way 43, and loudspeaker groove 42 is seted up on the terminal surface that first blade 11 deviates from the one end of skeleton 1, and fixed slot 41 has been seted up to the tank bottom of loudspeaker groove 42, and guide way 43 is seted up on the terminal surface that first blade 11 deviates from the one end of skeleton 1 and communicates with loudspeaker groove 42 and arc wall 13 respectively.

The fixing portion 31 of the metal lead 3 is disposed in the fixing groove 41 and fixed to the fixing groove 41 by the insulating sealing material 14, the soldering portion 32 of the metal lead 3 is disposed in the guide groove 43 and abuts against the bottom of the guide groove 43, the winding portion 33 of the metal lead 3 is disposed on both sides of the first blade 11 and located in the arc-shaped groove 13, and the winding portion 33 and the enamel wire 2 wound around the winding portion 33 are protected by the arc-shaped groove 13.

Furthermore, two metal pins 3 are equal in size and symmetrical in structure, and are insulated at intervals, so that short circuit between the metal pins 3 is prevented, and the safety of the inductor is improved.

Note that the metal pins 3 have a flat structure or a cylindrical structure and are made of a tin-plated copper wire or a tin-plated steel wire.

In the specific implementation process, the sides of the two welding portions 32, which are away from the guide groove 43, are kept horizontal with the first blade 11 or protrude from the first blade, so that the inductor and the external electronic device are stably and firmly connected.

In the implementation process, the UL sleeve 5 is sleeved on the outer surface of the enameled wire 2 wound on the skeleton 1 and the skeleton 1 to provide further physical protection for the inductor, and it should be noted here that the outer surface of the enameled wire 2 wound on the skeleton 1 and the skeleton 1 may also be coated with an epoxy resin adhesive coating without being sleeved with the UL sleeve 5.

Further, the winding portion 33 forms a fixed solder point with the positive/negative electrode end of the enameled wire 2 through the molten tin, so as to enhance the stability of the electrical connection between the winding portion 33 and the enameled wire 2.

It should be noted that the insulating sealing material 14 is a single-component glue or an AB glue, wherein the sealant 6 is further filled in the gap between the winding portion 33 and the arc-shaped groove 13, and the sealant 6 is an AB glue or a UV glue, and is used for stabilizing the relationship between the winding portion 33 and the enameled wire 2 and protecting the enameled wire 2.

In the specific implementation process, the winding part 33 and the welding part 32 are kept at acute angles and form a V-shaped structure, namely, the winding part 33 is convenient to wind around the enameled wire 2, the connection strength of the metal pins 3 and the enameled wire 2 is improved, the enameled wire 2 is prevented from being off-line, the overall quality of the inductor is improved, and the cost performance is improved.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. The utility model provides a novel inductance of paster, includes skeleton, enameled wire and metal pin, its characterized in that: the enameled wire is wound on the outer surface of the framework, the upper end and the lower end of the framework are respectively and integrally connected with a first blade and a second blade, the metal pins are symmetrically fixed on the first blade, the two metal pins are respectively composed of a fixed part for fixing the metal pins, a welding part for matching with an external circuit for contact conduction and a winding part for connecting with the enameled wire, the two ends of the welding part are respectively and integrally connected with the fixed part and the winding part, the first blade for fixing the metal pins is provided with two sealing guide structures, the two sealing guide structures are symmetrically arranged along the axial center line of the framework, each sealing guide structure is correspondingly fixed with one fixed part, one side of the two welding parts, which is deviated from the first blade, is a plane and is positioned on the same plane, and the two winding parts are respectively wound and connected with the positive end and the negative end of the enameled wire, arc-shaped grooves are symmetrically formed in two sides of the first blade and the second blade and used for guiding the enameled wire to run, the fixed portion is perpendicular to the welding portion, and the winding portion and the welding portion keep an acute angle and form a V-shaped structure.

2. The novel inductor as claimed in claim 1, wherein the sealing and guiding structure comprises a fixing groove, a horn groove and a guiding groove, the horn groove is formed on the end surface of the first blade facing away from the end of the frame, the fixing groove is formed on the bottom of the horn groove, and the guiding groove is formed on the end surface of the first blade facing away from the end of the frame and is respectively communicated with the horn groove and the arc-shaped groove.

3. The novel inductor as claimed in claim 2, wherein the fixing portion of the metal lead is disposed in the fixing groove and fixed to the fixing groove by an insulating sealing material, the soldering portion of the metal lead is disposed in the guiding groove and abuts against the bottom of the guiding groove, and the winding portion of the metal lead is disposed on both sides of the first blade and located in the arc-shaped groove.

4. The novel inductor as claimed in claim 3, wherein said two metal pins are of equal size, symmetrical in structure, and spaced apart from each other.

5. The novel inductor as claimed in claim 4, wherein said metal pins are of a flat or cylindrical configuration and are made of tin-plated copper wire or tin-plated steel wire.

6. The novel chip inductor as claimed in claim 5, wherein the two welding portions are horizontally aligned with the first blade or protrude from the first blade.

7. The novel inductor as claimed in claim 6, wherein a UL sleeve is sleeved on the outer surface of the enameled wire wound on the bobbin and the bobbin.

8. The novel chip inductor according to claim 7, wherein the winding portion forms a fixed solder point with the positive/negative ends of the enameled wire by melting tin.

9. The novel inductor as claimed in claim 3, wherein said insulating sealing material is a one-component glue or AB glue.

10. The novel chip inductor as claimed in claim 1, wherein a gap between said winding portion and said arc-shaped slot is further filled with a sealant, and said sealant is an AB or UV sealant.