CN212570663U - Electromagnetic interference resistance is with soft magnetic ferrite magnetic core - Google Patents

Electromagnetic interference resistance is with soft magnetic ferrite magnetic core Download PDF

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Publication number
CN212570663U
CN212570663U CN202021574004.8U CN202021574004U CN212570663U CN 212570663 U CN212570663 U CN 212570663U CN 202021574004 U CN202021574004 U CN 202021574004U CN 212570663 U CN212570663 U CN 212570663U
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CN
China
Prior art keywords
magnetic core
electromagnetic interference
core
center post
fixed mounting
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Expired - Fee Related
Application number
CN202021574004.8U
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Chinese (zh)
Inventor
方华
蒋海龙
张金龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Magway Magnetic Co ltd
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Binhai Huayuan Magnetic Industry Co ltd
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Priority to CN202021574004.8U priority Critical patent/CN212570663U/en
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Publication of CN212570663U publication Critical patent/CN212570663U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to a magnetic core technical field just discloses a soft magnetic ferrite magnetic core for electromagnetic interference resistance, including first magnetic core, the bottom movable mounting of first magnetic core has the second magnetic core, the bottom fixed mounting of first magnetic core has first center post, the top fixed mounting of second magnetic core has the second center post that is located first center post bottom, the bottom fixed mounting of first magnetic core has the first grafting piece that extends to the inside of second magnetic core, the top fixed mounting of second center post has the second that extends to the inside of first center post to insert the grafting piece, the top movable mounting of first magnetic core has the fixed plate, the bottom movable mounting of second magnetic core has the fly leaf, the top fixed mounting of fly leaf has the baffle, the bottom fixed mounting of fixed plate has fixed cover. The soft magnetic ferrite core for preventing electromagnetic interference has the advantages that deviation can not occur during butt joint, a user can install the soft magnetic ferrite core conveniently, and the anti-electromagnetic interference effect is better.

Description

Electromagnetic interference resistance is with soft magnetic ferrite magnetic core
Technical Field
The utility model relates to a magnetic core technical field specifically is a soft magnetic ferrite magnetic core for electromagnetic interference resistance.
Background
The soft magnetic ferrite is a ferrimagnetic oxide, is produced by adopting a powder metallurgy method, has the advantages of low high-frequency loss and low cost, is favorable for meeting the high-frequency market demand, is mainly used for antenna coils for radio and radio intermediate frequency transformers, is a high-frequency magnetic conductive material, is mainly used as a high-frequency transformer, such as a switching power supply, a line output transformer and the like, a high-frequency magnetic ring and the like, and is made of a soft magnetic ferrite material.
When the existing soft magnetic ferrite magnetic core is used, the condition of unstable butt joint is easy to occur, and the electromagnetic interference resistance is poor after the soft magnetic ferrite magnetic core is installed, so that the soft magnetic ferrite magnetic core for electromagnetic interference resistance is provided.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a not enough to prior art, the utility model provides a soft magnetic ferrite magnetic core for electromagnetic interference resistance possesses advantages such as convenient to use, has solved current soft magnetic ferrite magnetic core when using, not only appears the unstable condition of butt joint easily to the relatively poor problem of electromagnetic interference resistance ability after the installation.
(II) technical scheme
In order to realize the purpose of convenient use, the utility model provides a following technical scheme: a soft magnetic ferrite magnetic core for preventing electromagnetic interference comprises a first magnetic core, wherein a second magnetic core is movably mounted at the bottom of the first magnetic core, a first central column is fixedly mounted at the bottom of the first magnetic core, a second central column positioned at the bottom of the first central column is fixedly mounted at the top of the second magnetic core, a first inserting block extending into the second magnetic core is fixedly mounted at the bottom of the first magnetic core, a second inserting block extending into the first central column is fixedly mounted at the top of the second central column, a fixed plate is movably mounted at the top of the first magnetic core, a movable plate is movably mounted at the bottom of the second magnetic core, a partition plate is fixedly mounted at the top of the movable plate, a fixed sleeve is fixedly mounted at the bottom of the fixed plate, a guide rod extending into the fixed sleeve is fixedly mounted at one side of the partition plate, which is far away from the first magnetic core, a threaded rod penetrating through the fixed plate is fixedly mounted, the external thread of the threaded rod is connected with a knob positioned at the top of the fixing plate.
Preferably, the top of second magnetic core is seted up flutedly, recess and first grafting piece looks adaptation, and first grafting piece extends to the inside of recess, and first magnetic core and the laminating of second magnetic core closely, first center post and the laminating of second center post closely.
Preferably, the bottom of the first central column is provided with an insertion groove, the insertion groove is matched with the second insertion block, and the second insertion block extends into the insertion groove.
Preferably, the number of the partition plates is four, and the four partition plates are annularly distributed on the top of the movable plate.
Preferably, the inner wall of the fixed sleeve is provided with a guide groove, the guide groove is matched with the guide rod, and electromagnetic shielding films are attached to the outer parts of the fixed sleeve, the partition plate, the fixed plate and the movable plate.
Preferably, the inside of turn button is seted up threaded hole, and threaded hole and threaded rod looks adaptation.
(III) advantageous effects
Compared with the prior art, the utility model provides a soft magnetic ferrite magnetic core for electromagnetic interference resistance possesses following beneficial effect:
this soft magnetic ferrite magnetic core for electromagnetic interference resistance, through aim at the recess with first grafting piece, aim at the inserting groove with second grafting piece, then make first magnetic core and second magnetic core be close to each other, make first grafting piece get into the inside of recess, second grafting piece gets into the inside of inserting groove, can succeed in the butt joint of two magnetic cores, the deviation can not appear when first grafting piece and second grafting piece butt joint, more convenient to use person installs, simultaneously through fixed cover, the baffle, the outside of fixed plate and fly leaf is all attached with the electromagnetic shielding membrane, and fixed cover, the baffle, fixed plate and fly leaf cover first magnetic core and second magnetic core in inside, thereby can effectively prevent external electromagnetic interference, the anti-electromagnetic interference effect is better.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is an enlarged schematic view of the structure at a position a of the present invention.
In the figure: 1 first magnetic core, 2 second magnetic cores, 3 first central columns, 4 second central columns, 5 first insertion blocks, 6 second insertion blocks, 7 fixed plates, 8 movable plates, 9 partition plates, 10 fixed sleeves, 11 guide rods, 12 threaded rods and 13 turn buttons.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, a soft magnetic ferrite core for electromagnetic interference prevention includes a first magnetic core 1, a second magnetic core 2 movably mounted at the bottom of the first magnetic core 1, a first central pillar 3 fixedly mounted at the bottom of the first magnetic core 1, a second central pillar 4 fixedly mounted at the top of the second magnetic core 2 and located at the bottom of the first central pillar 3, a first insertion block 5 fixedly mounted at the bottom of the first magnetic core 1 and extending into the second magnetic core 2, a groove formed at the top of the second magnetic core 2 and adapted to the first insertion block 5, a first insertion block 5 extending into the groove, the first magnetic core 1 and the second magnetic core 2 tightly fit each other, the first central pillar 3 and the second central pillar 4 tightly fit each other, a second insertion block 6 extending into the first central pillar 3 fixedly mounted at the top of the second central pillar 4, an insertion groove formed at the bottom of the first central pillar 3, the inserting groove is matched with the second inserting block 6, the second inserting block 6 extends to the inside of the inserting groove, a fixed plate 7 is movably mounted at the top of the first magnetic core 1, a movable plate 8 is movably mounted at the bottom of the second magnetic core 2, partition plates 9 are fixedly mounted at the top of the movable plate 8, the number of the partition plates 9 is four, the four partition plates 9 are annularly distributed at the top of the movable plate 8, a fixed sleeve 10 is fixedly mounted at the bottom of the fixed plate 7, electromagnetic shielding films are attached to the outer parts of the fixed sleeve 10, the partition plates 9, a guide rod 11 extending to the inside of the fixed sleeve 10 is fixedly mounted on one side, away from the first magnetic core 1, of each partition plate 9, a guide groove is formed in the inner wall of the fixed sleeve 10 and is matched with the guide rod 11, a threaded rod 12 penetrating through the fixed plate 7 is fixedly mounted at the top of each partition plate, the interior of the rotary knob 13 is provided with a threaded hole which is matched with the threaded rod 12, the electromagnetic interference prevention soft magnetic ferrite core is formed by aligning the first plug-in block 5 with the groove, aligning the second plug-in block 6 with the plug-in groove, then the first magnetic core 1 and the second magnetic core 2 are brought close to each other, so that the first plug-in block 5 enters the inside of the recess, the second plug-in block 6 enters the inside of the plug-in slot, the two magnetic cores can be successfully butted, no deviation occurs when the first insertion block 5 and the second insertion block 6 are butted, the installation is more convenient for a user, meanwhile, electromagnetic shielding films are attached to the outer parts of the fixed sleeve 10, the partition plate 9, the fixed plate 7 and the movable plate 8, and fixed cover 10, baffle 9, fixed plate 7 and fly leaf 8 cover first magnetic core 1 and second magnetic core 2 inside to can effectively prevent external electromagnetic interference, the anti-electromagnetic interference effect is better.
In summary, in the soft magnetic ferrite core for preventing electromagnetic interference, the first insertion block 5 is aligned with the groove, the second insertion block 6 is aligned with the insertion groove, and then the first magnetic core 1 and the second magnetic core 2 are close to each other, so that the first insertion block 5 enters the groove, the second insertion block 6 enters the insertion groove, and then the two magnetic cores can be successfully butted, no deviation occurs when the first insertion block 5 and the second insertion block 6 are butted, thereby facilitating the installation for a user, meanwhile, the electromagnetic shielding films are adhered to the outer parts of the fixed sleeve 10, the partition plate 9, the fixed plate 7 and the movable plate 8, and the fixed sleeve 10, the partition plate 9, the fixed plate 7 and the movable plate 8 cover the first magnetic core 1 and the second magnetic core 2 inside, thereby effectively preventing the external electromagnetic interference, achieving better electromagnetic interference resistance, and solving the problem that the existing soft magnetic ferrite core is used, the butt joint is unstable, and the electromagnetic interference resistance is poor after the installation.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides an electromagnetic interference is with soft magnetic ferrite magnetic core, includes first magnetic core (1), its characterized in that: the bottom movable mounting of first magnetic core (1) has second magnetic core (2), the bottom fixed mounting of first magnetic core (1) has first center post (3), the top fixed mounting of second magnetic core (2) has second center post (4) that is located first center post (3) bottom, the bottom fixed mounting of first magnetic core (1) has first grafting piece (5) that extends to inside second magnetic core (2), the top fixed mounting of second center post (4) has second grafting piece (6) that extends to inside first center post (3), the top movable mounting of first magnetic core (1) has fixed plate (7), the bottom movable mounting of second magnetic core (2) has fly leaf (8), the top fixed mounting of fly leaf (8) has baffle (9), the bottom fixed mounting of fixed plate (7) has fixed cover (10), one side fixed mounting that first magnetic core (1) was kept away from in baffle (9) has guide arm (11) that extend to fixed cover (10) inside, the top fixed mounting of baffle (9) has threaded rod (12) that runs through fixed plate (7), the outside threaded connection of threaded rod (12) has knob (13) that are located fixed plate (7) top.
2. An electromagnetic interference prevention soft magnetic ferrite core as recited in claim 1, wherein: the top of second magnetic core (2) is seted up flutedly, recess and first grafting piece (5) looks adaptation, and first grafting piece (5) extend to the inside of recess, and first magnetic core (1) closely laminates with second magnetic core (2), and first center post (3) closely laminates with second center post (4).
3. An electromagnetic interference prevention soft magnetic ferrite core as recited in claim 1, wherein: the bottom of the first central column (3) is provided with an insertion groove, the insertion groove is matched with the second insertion block (6), and the second insertion block (6) extends to the inside of the insertion groove.
4. An electromagnetic interference prevention soft magnetic ferrite core as recited in claim 1, wherein: the number of the partition plates (9) is four, and the four partition plates (9) are annularly distributed on the top of the movable plate (8).
5. An electromagnetic interference prevention soft magnetic ferrite core as recited in claim 1, wherein: the inner wall of the fixed sleeve (10) is provided with a guide groove, the guide groove is matched with the guide rod (11), and electromagnetic shielding films are attached to the outer parts of the fixed sleeve (10), the partition plate (9), the fixed plate (7) and the movable plate (8).
6. An electromagnetic interference prevention soft magnetic ferrite core as recited in claim 1, wherein: the interior of the rotating button (13) is provided with a threaded hole, and the threaded hole is matched with the threaded rod (12).
CN202021574004.8U 2020-08-03 2020-08-03 Electromagnetic interference resistance is with soft magnetic ferrite magnetic core Expired - Fee Related CN212570663U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021574004.8U CN212570663U (en) 2020-08-03 2020-08-03 Electromagnetic interference resistance is with soft magnetic ferrite magnetic core

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021574004.8U CN212570663U (en) 2020-08-03 2020-08-03 Electromagnetic interference resistance is with soft magnetic ferrite magnetic core

Publications (1)

Publication Number Publication Date
CN212570663U true CN212570663U (en) 2021-02-19

Family

ID=74632069

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021574004.8U Expired - Fee Related CN212570663U (en) 2020-08-03 2020-08-03 Electromagnetic interference resistance is with soft magnetic ferrite magnetic core

Country Status (1)

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CN (1) CN212570663U (en)

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Date Code Title Description
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20210604

Address after: 200050 room 6290, 6th floor, 999 Changning Road, Changning District, Shanghai

Patentee after: SHANGHAI MAGWAY MAGNETIC Co.,Ltd.

Address before: 224000 plot 2 in private enterprise park, Batan Town, Binhai County, Yancheng City, Jiangsu Province

Patentee before: BINHAI HUAYUAN MAGNETIC INDUSTRY Co.,Ltd.

TR01 Transfer of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20210219

Termination date: 20210803

CF01 Termination of patent right due to non-payment of annual fee