CN206610711U - High-quality combined type inductance - Google Patents
High-quality combined type inductance Download PDFInfo
- Publication number
- CN206610711U CN206610711U CN201720280002.XU CN201720280002U CN206610711U CN 206610711 U CN206610711 U CN 206610711U CN 201720280002 U CN201720280002 U CN 201720280002U CN 206610711 U CN206610711 U CN 206610711U
- Authority
- CN
- China
- Prior art keywords
- magnetic core
- center pillar
- core center
- shell
- bossing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model discloses a kind of high-quality combined type inductance, including coil, magnetic core center pillar and shell, the coil may be contained within the shell with the magnetic core center pillar, the magnetic core center pillar runs through the coil, concaveconvex structure is provided with the both sides end face of the magnetic core center pillar, bossing in the concaveconvex structure is touched or be bonded by adhesive with the inwall of the shell, and the sunk part in the concaveconvex structure and the inwall of the shell are be bonded by adhesive.The utility model enables adhesive smoothly to penetrate into the contact surface of magnetic core center pillar and shell by way of the end face of magnetic core center pillar is set into concaveconvex structure, so as to ensure that being tightly fastened between magnetic core center pillar and shell, improves the bond strength between the two.Meanwhile, the utility model also causes the frequency of magnetic core center pillar and cover attack during the high frequency use of follow-up inductance to be greatly lowered, and fundamentally solves noise problem.
Description
Technical field
The utility model is related to a kind of induction structure, more particularly to a kind of attachment structure is consolidated, while can be prevented effectively from
The combined type inductance of noise phenomena, belongs to inductance manufacture field during high frequency use.
Background technology
Inductance is most commonly seen a kind of component in electronic equipment, while being also one of significant components in circuit, quilt
It is widely used in all kinds of circuits, filtering, energy storage, matching, the function of resonance can be reached.
Because the species of inductance is various, its structure is also not quite similar.By taking combined type inductance as an example, group relatively conventional at present
Box-like inductance is made up of three parts mostly, i.e. coil, magnetic core center pillar and shell., it is necessary to first in the assembling process of this inductance
Coil is sheathed on magnetic core center pillar, then magnetic core center pillar is put into shell, then to magnetic core center pillar and the link position of shell
Adhesive is injected, the assembling of inductance is finally completed.But it is due to the small volume of this kind of inductance, and in order to ensure its structure
Firm, the compactness of magnetic core center pillar and shell is higher, so also causes the adhesive being subsequently implanted into the shell to be difficult
Really penetrate into the contact surface of magnetic core center pillar and shell, so as to cause that the fixation between magnetic core center pillar and shell is insecure, inductance
Overall quality is relatively low, and the phenomenon for occurring coming off is easy in follow-up inductance assembling process.Further, since magnetic core center pillar with it is outer
Fixation between shell is insecure, also easily causes inductance magnetic core center pillar during follow-up high frequency use and is constantly touched with shell
Hit, produce noise.
In order to solve the above problems, current each processing enterprise to this kind of inductance when carrying out assembling processing, in order to ensure magnetic
Being fixedly secured between core center pillar and shell, can increase the amount of the adhesive in injection shell.But the meeting again of such processing mode
Cause a new technical problem, because this kind of inductance is after the completion of assembling, in order to ensure the adhesive effect of colloid, one can be carried out
Secondary high-temperature process, then during this, adhesive a certain degree of expansion can occur because heated.Now, once being bonded in shell
The amount of agent is excessive, is just easy to the phenomenon that colloid overflows shell, influence is subsequently assembled occur, serious there is also because of adhesive
The phenomenon for excessively expanding and causing shell to ftracture.
In summary, how to provide during being tightly fastened between a kind of magnetic core center pillar and shell, can reducing high frequency use
The high-quality combined type inductance of noise problem, just becomes those skilled in that art institute urgent problem to be solved.
The content of the invention
In view of prior art has drawbacks described above, the purpose of this utility model is to propose that a kind of attachment structure is consolidated, simultaneously
The combined type inductance of noise phenomena during high frequency use can be prevented effectively from.
The purpose of this utility model, will be achieved by the following technical programs：
A kind of high-quality combined type inductance, including coil, magnetic core center pillar and shell, the coil and the magnetic core center pillar
It may be contained within the shell, the magnetic core center pillar, which runs through on the coil, the both sides end face of the magnetic core center pillar, to be provided with
Bossing in concaveconvex structure, the concaveconvex structure is touched or be bonded by adhesive with the inwall of the shell, described recessed
Sunk part and the inwall of the shell in male structure is be bonded by adhesive.
Preferably, the coil includes a coiled portion and two connection-pegs, the axis direction phase of two connection-pegs
Parallel, the magnetic core center pillar passes through the coiled portion, under the assembled state of the coil, magnetic core center pillar and shell three, institute
Connection-peg is stated to stretch out in outside the shell.
Preferably, the entire length and the inside length of the shell of the magnetic core center pillar match.
Preferably, the gross area of the concaveconvex structure protrusions part accounts for the magnetic core center pillar both sides end face entire area
1/3~2/3。
Preferably, the sunk part in the concaveconvex structure is corresponding with bossing matching, total face of the sunk part
Product accounts for the 1/3 ~ 2/3 of the magnetic core center pillar both sides end face entire area.
Preferably, in the concaveconvex structure, the sunk part is located at the week side of boss of the bossing, the lug boss
The axis and the axis of the magnetic core center pillar divided coincide.
Preferably, in the concaveconvex structure, the bossing is located at the week side of boss of the sunk part, the depressed part
The axis and the axis of the magnetic core center pillar divided coincide.
Preferably, when the bossing is located at the week side of boss of the sunk part, equidistantly opened up on the bossing
There are at least two to be used for the guiding gutter that described adhesive is flowed into.
Preferably, the bossing includes multiple projections, and relatively independent between the projection, the sunk part joins completely
It is logical.
Preferably, the U-shaped fixing groove matched with the magnetic core center pillar is further opened with the housing interior side-wall, described
Under the assembled state of magnetic core center pillar and shell, the two ends of the magnetic core center pillar are embedded at the bottom of the U-shaped fixing groove.
Prominent effect of the present utility model is：The utility model by the end face of magnetic core center pillar by being set to concaveconvex structure
Mode enables adhesive smoothly to penetrate into the contact surface of magnetic core center pillar and shell, so as to ensure that between magnetic core center pillar and shell
Be tightly fastened, improve the bond strength between the two, to greatest extent on avoid in follow-up inductance assembling process coming off it is existing
As.It is tightly fastened, therefore directly results in follow-up electricity between magnetic core center pillar and shell simultaneously as the utility model is realized
The frequency of magnetic core center pillar and cover attack is greatly lowered during the high frequency use of sense, fundamentally solves noise problem.
In addition, the utility model also reduces the consumption of adhesive during inductance assembling to a certain extent, it is to avoid excessive glue, shell
The generation of the phenomenons such as spalling.Finally, the utility model also have it is simple in construction, be readily produced, the low advantage of processing cost, be it
Follow-up large-scale promotion is using providing the foundation.
In summary, not only attachment structure is consolidated the utility model, and noise shows during being prevented effectively from high frequency use
As.At the same time, the utility model is simple in construction, production cost is low, specifically very high use and promotional value.
Just accompanying drawing in conjunction with the embodiments, is described in further detail to embodiment of the present utility model below, so that this
Utility model technical scheme is more readily understood, grasped.
Brief description of the drawings
Fig. 1 is vertical cross-section structural representation of the present utility model；
Fig. 2 is the concaveconvex structure schematic diagram in embodiment one in the utility model；
Fig. 3 is the concaveconvex structure schematic diagram in embodiment two in the utility model；
Fig. 4 is the concaveconvex structure schematic diagram in embodiment three in the utility model；
Fig. 5 is the concaveconvex structure schematic diagram in example IV in the utility model.
Wherein：1st, coil；2nd, magnetic core center pillar；21st, bossing；22nd, sunk part；3rd, shell.
Embodiment
The utility model discloses a kind of attachment structure and consolidates, shows while noise during high frequency use can be prevented effectively from
The combined type inductance of elephant.
As shown in figure 1, a kind of high-quality combined type inductance, including coil 1, magnetic core center pillar 2 and shell 3, the coil 1
It is may be contained within the magnetic core center pillar 2 in the shell 3, the magnetic core center pillar 2 runs through the coil 1, the magnetic core center pillar 2
The inwall of the bossing 21 that is provided with the end face of both sides in concaveconvex structure, the concaveconvex structure and the shell 3 touch or
It is bonded by adhesive, the sunk part 22 in the concaveconvex structure and the inwall of the shell 3 are be bonded by adhesive.
Specific combination between bossing 21 and the shell 3 inwall is needed according to the magnetic core center pillar 2
Entire length is further determined that.If the entire length of the magnetic core center pillar 2 is equal with the inside length of the shell 3, institute
The inwall for stating bossing 21 and the shell 3 is touched；If the entire length of the magnetic core center pillar 2 is slightly less than the shell 3
During inside length, the bossing 21 and the shell 3 are be bonded by adhesive.
The coil 1 includes a coiled portion and two connection-pegs, and the axis direction of two connection-pegs is parallel, institute
Magnetic core center pillar 2 is stated through the coiled portion, it is described to insert under the coil 1, magnetic core center pillar 2 and the assembled state of the three of shell 3
Joint is stretched out in outside the shell 3.
The entire length of the magnetic core center pillar 2 and the inside length of the shell 3 match.Wherein, ideal one
Kind of situation is, in order to ensure the connection effect of the magnetic core center pillar 2 and the shell 3, the entire length of the magnetic core center pillar 2 and
The inside length of the shell 3 is equal.
But in actual process of manufacture, it is contemplated that the property easy to install of the magnetic core center pillar 2 and its actual make
With factors such as effects, the length of the magnetic core center pillar 2 can all be slightly less than the inside length of the shell 3, as specific length
Difference, can also be different according to the material of magnetic material and the specification of actual inductance, there is certain difference.
The gross area of the concaveconvex structure protrusions part 21 account for the both sides end face entire area of magnetic core center pillar 2 1/3 ~
2/3。
Sunk part 22 in the concaveconvex structure is corresponding with the matching of bossing 21, the gross area of the sunk part 22
Account for the 1/3 ~ 2/3 of the both sides end face entire area of magnetic core center pillar 2.
Referred herein to the sunk part 22 corresponding with the matching of bossing 21 to refer to that the two is together constituted described recessed
Male structure, the total area of the concaveconvex structure is equal with the entire area of the both sides end face of magnetic core center pillar 2, for example,
If the gross area of the bossing 21 accounts for the 1/3 of the both sides end face entire area of magnetic core center pillar 2, relative, described recessed
The gross area for falling into part 22 then accounts for the 2/3 of the both sides end face entire area of magnetic core center pillar 2.During actual use, also
As far as possible the bossing 21 can be kept equal with the gross area of sunk part 22, can either so ensure the projection
Part 21 can consolidate and the shell 3 of closely fitting inwall, also ensure that the internal memory of sunk part 22 leaves foot
Enough realize the adhesive being adhesively fixed between the magnetic core center pillar 2 and shell 3.
The overall arrangement of the concaveconvex structure, may have many different forms, specifically, can be roughly divided into following
Two classes：
First, in the concaveconvex structure, the sunk part 22 is located at the week side of boss of the bossing 21, the lug boss
The axis and the axis of the magnetic core center pillar 2 for dividing 21 coincide.
2nd, in the concaveconvex structure, the bossing 21 is located at the week side of boss of the sunk part 22, the depressed part
The axis and the axis of the magnetic core center pillar 2 for dividing 22 coincide.
You need to add is that, when the bossing 21 is located at the week side of boss of the sunk part 22, the bossing
It is equidistant on 21 to offer at least two guiding gutters for described adhesive inflow.
In other words, when the bossing 21 is located at the week side of boss of the sunk part 22, the bossing 21 includes
It is relatively independent between multiple projections, the projection, the complete UNICOM of sunk part.
Just further illustrate the arrangement of the concaveconvex structure in conjunction with specific embodiments below.
Embodiment one, as shown in Fig. 2 the sunk part 22 is located at the week side of boss of the bossing 21, the lug boss
The axis and the axis of the magnetic core center pillar 2 for dividing 21 coincide, and the bossing 21 is cylindrical-shaped structure.
Embodiment two, as shown in figure 3, it is relative with embodiment one, in the present embodiment, in the concaveconvex structure, institute
State the week side of boss that bossing 21 is located at the sunk part 22, the axis of the sunk part 22 and the magnetic core center pillar 2
Axis coincides.It is cylindrical shape that the entirety of bossing 21, which is in, and in order to ensure that it is described that adhesive can be flowed into smoothly
In sunk part 22, four guiding gutters are also equidistantly offered on the bossing 21.Four guiding gutters are by the projection
Part 21 is divided into four identical block structures.
Embodiment three, as shown in figure 4, the bossing 21 is located at center, the sunk part 22 is located at the projection
The week side of boss of part 21, is opened on the whole, and the sunk part 22 has opened up out four equivalent to the week side of boss in the bossing 21
Individual trough body structure disconnected each other, so that adhesive can be flowed into smoothly in cell body.
Example IV, as shown in figure 5, the sunk part is located at center, the bossing 21 is located at the depressed part
Points 22 the week side of boss, is opened, the sunk part 22 dissipates from inside to outside equivalent at the center of the bossing 21 on the whole
Four linear connected each other trough body structures are opened up out to property, so that adhesive can smoothly flow into cell body
It is interior.
Above-described embodiment can have a variety of arrangement forms just for the sake of the concaveconvex structure that further remarks additionally, above-mentioned
Bossing 21 described in embodiment can arbitrarily be changed with the concrete shape of sunk part 22 and arrangement according to using needs,
But also the bossing 21 in above-described embodiment can be replaced with sunk part 22, it is corresponding, it is only necessary to will be above-mentioned
The sunk part 22 in embodiment replaces with bossing 21.
Open on the whole, can be considered as to offer on the both sides end face of the magnetic core center pillar 2 and be easy to what adhesive was flowed into
Groove, the shape of the groove can be that cross, M shape, polygon of middle insertion etc. or centre are not passed through
All kinds of geometries such as logical cross, M shape, polygon or many and arc.
The U-shaped fixing groove matched with the magnetic core center pillar 2 is further opened with the madial wall of shell 3（Do not show in figure
Go out）, under the assembled state of the magnetic core center pillar 2 and shell 3, the two ends of the magnetic core center pillar 2 are embedded at the U-shaped fixation
The bottom of groove.
Such structure setting be in order to ensure under the assembled state of the magnetic core center pillar 2 and shell 3, when operator to
When injecting adhesive in the gap between the magnetic core center pillar 2 and shell 3, described adhesive can be more during flowing
Stay in the sunk part 22, so as to ensure the connection effect of the magnetic core center pillar 2 and shell 3.In addition, the U-shaped fixation
Setting for groove can also provide effect that is spacing and being oriented to for the fixed of the magnetic core center pillar 2.Except above-mentioned U-shaped fixing groove
It outside set-up mode, can also be configured, such as be set necessarily on the inwall of the shell 3 using other similar forms
Bulge-structure, so as to reach purpose that is spacing to magnetic core center pillar 2, being oriented to and avoid adhesive from excessively flowing out.
Supplementary notes are also needed to, described adhesive is thermosetting colloid.In the present embodiment, described adhesive is preferably
Epoxide-resin glue.
The utility model enables adhesive smooth by way of the end face of magnetic core center pillar is set into concaveconvex structure
In the contact surface for penetrating into magnetic core center pillar and shell, so as to ensure that being tightly fastened between magnetic core center pillar and shell, the two is improved
Between bond strength, to greatest extent on avoid obscission in follow-up inductance assembling process.Simultaneously as the utility model
Realize and be tightly fastened between magnetic core center pillar and shell, therefore directly results in the magnetic core during the high frequency use of follow-up inductance
The frequency of center pillar and cover attack is greatly lowered, and fundamentally solves noise problem.In addition, the utility model is also certain
The consumption of adhesive during inductance assembling is reduced in degree, it is to avoid the generation of the phenomenon such as excessive glue, shell spalling.Finally,
The utility model also have it is simple in construction, be readily produced, the low advantage of processing cost, be its follow-up large-scale promotion using carrying
Basis is supplied.
In summary, not only attachment structure is consolidated the utility model, and noise shows during being prevented effectively from high frequency use
As.At the same time, the utility model is simple in construction, production cost is low, specifically very high use and promotional value.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit and essential characteristics of the present utility model, can realize that this practicality is new in other specific forms
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model, any reference in claim should not be considered as into limitation
Involved claim.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It may be appreciated other embodiment.
Claims (10)
1. a kind of high-quality combined type inductance, including coil（1）, magnetic core center pillar（2）And shell（3）, it is characterised in that：It is described
Coil（1）With the magnetic core center pillar（2）It may be contained within the shell（3）It is interior, the magnetic core center pillar（2）Through the coil（1）,
The magnetic core center pillar（2）Both sides end face on be provided with bossing in concaveconvex structure, the concaveconvex structure（21）With institute
State shell（3）Inwall touch or be bonded by adhesive, the sunk part in the concaveconvex structure（22）With the shell（3）
Inwall be bonded by adhesive.
2. high-quality combined type inductance according to claim 1, it is characterised in that：The coil（1）Including a coiled portion
And two connection-pegs, the axis direction of two connection-pegs is parallel, the magnetic core center pillar（2）Through the coiled portion,
In the coil（1）, magnetic core center pillar（2）And shell（3）Under the assembled state of three, the connection-peg stretches out in the shell
（3）Outside.
3. high-quality combined type inductance according to claim 1, it is characterised in that：The magnetic core center pillar（2）Entirety it is long
Degree and the shell（3）Inside length match.
4. high-quality combined type inductance according to claim 1, it is characterised in that：The concaveconvex structure protrusions part
（21）The gross area account for the magnetic core center pillar（2）The 1/3 ~ 2/3 of both sides end face entire area.
5. high-quality combined type inductance according to claim 1, it is characterised in that：Sunk part in the concaveconvex structure
（22）With bossing（21）Matching correspondence, the sunk part（22）The gross area account for the magnetic core center pillar（2）Both sides end face
The 1/3 ~ 2/3 of entire area.
6. high-quality combined type inductance according to claim 1, it is characterised in that：It is described recessed in the concaveconvex structure
Fall into part（22）Positioned at the bossing（21）The week side of boss, the bossing（21）Axis and the magnetic core center pillar
（2）Axis coincide.
7. high-quality combined type inductance according to claim 1, it is characterised in that：It is described convex in the concaveconvex structure
Play part（21）Positioned at the sunk part（22）The week side of boss, the sunk part（22）Axis and the magnetic core center pillar
（2）Axis coincide.
8. high-quality combined type inductance according to claim 7, it is characterised in that：When the bossing（21）Positioned at institute
State sunk part（22）The week side of boss when, the bossing（21）On equidistantly offer at least two be used for described adhesive flow into
Guiding gutter.
9. high-quality combined type inductance according to claim 7, it is characterised in that：The bossing（21）Including multiple
It is relatively independent between projection, the projection, the complete UNICOM of sunk part.
10. high-quality combined type inductance according to claim 1, it is characterised in that：The shell（3）Also opened on madial wall
Provided with the magnetic core center pillar（2）The U-shaped fixing groove matched, in the magnetic core center pillar（2）With shell（3）Assembled state
Under, the magnetic core center pillar（2）Two ends be embedded at the bottom of the U-shaped fixing groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720280002.XU CN206610711U (en) | 2017-03-22 | 2017-03-22 | High-quality combined type inductance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720280002.XU CN206610711U (en) | 2017-03-22 | 2017-03-22 | High-quality combined type inductance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206610711U true CN206610711U (en) | 2017-11-03 |
Family
ID=60165260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720280002.XU Active CN206610711U (en) | 2017-03-22 | 2017-03-22 | High-quality combined type inductance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206610711U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106920650A (en) * | 2017-03-22 | 2017-07-04 | 三积瑞科技（苏州）有限公司 | High-quality combined type inductance |
-
2017
- 2017-03-22 CN CN201720280002.XU patent/CN206610711U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106920650A (en) * | 2017-03-22 | 2017-07-04 | 三积瑞科技（苏州）有限公司 | High-quality combined type inductance |
| CN106920650B (en) * | 2017-03-22 | 2018-09-28 | 三积瑞科技（苏州）有限公司 | High-quality combined type inductance |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206610711U (en) | High-quality combined type inductance | |
| CN104410276B (en) | Voltage conversion circuit based on single inductance multi output | |
| CN206962547U (en) | Stator, motor and compressor | |
| CN106920650A (en) | High-quality combined type inductance | |
| CN205793270U (en) | A kind of loudspeaker monomer | |
| CN101041154B (en) | Electromagnetic vibrator and its preparing method | |
| CN207938419U (en) | A kind of mobile phone Switch Power Transformer | |
| CN206595793U (en) | Rotor, motor and compressor for motor | |
| CN208189357U (en) | vehicle-mounted inverter transformer and vehicle-mounted inverter | |
| CN202930160U (en) | Strong-magnet-resistant special-shaped transformer for intelligent electricity meter | |
| CN206309979U (en) | A kind of proportional reversing valve hollow out valve element and proportional reversing valve based on SLM technologies | |
| CN205564446U (en) | Electro -magnet of improvement structure | |
| CN202120707U (en) | Novel chip inductor | |
| CN209204834U (en) | Water purifier shell and water purifier with it | |
| CN206301652U (en) | A kind of low noise pitch energy storage inductor | |
| CN202258730U (en) | Combined high-frequency high-voltage transformer coil bobbin | |
| CN206759719U (en) | A kind of resistance to compression mobile phone B OX integrations sound chamber loudspeaker and antenna assembly | |
| CN105679519B (en) | Protected type power inductor and its molding assembly method | |
| CN206657554U (en) | A kind of experimental provision for demonstrating electromagnetic principle | |
| CN207098787U (en) | Piecemeal rotor | |
| CN206831038U (en) | A kind of corrugated drain pipe | |
| CN204073031U (en) | A kind of Anesthesia Department recovery headgear | |
| CN206690508U (en) | A kind of PVC and discharging wire production mould | |
| CN203759441U (en) | Combined structure of clock component | |
| CN203596897U (en) | Ultra-narrow full-frequency loudspeaker |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |