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CN210467494U - Inductor with magnetic core capable of being finely adjusted - Google Patents

Inductor with magnetic core capable of being finely adjusted Download PDF

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Publication number
CN210467494U
CN210467494U CN201922004036.8U CN201922004036U CN210467494U CN 210467494 U CN210467494 U CN 210467494U CN 201922004036 U CN201922004036 U CN 201922004036U CN 210467494 U CN210467494 U CN 210467494U
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CN
China
Prior art keywords
shell
end block
groove
block
magnetic core
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.)
Expired - Fee Related
Application number
CN201922004036.8U
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Chinese (zh)
Inventor
王争明
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.)
Shenzhen Yourui Electronics Co Ltd
Original Assignee
Shenzhen Yourui Electronics Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shenzhen Yourui Electronics Co Ltd filed Critical Shenzhen Yourui Electronics Co Ltd
Priority to CN201922004036.8U priority Critical patent/CN210467494U/en
Application granted granted Critical
Publication of CN210467494U publication Critical patent/CN210467494U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses an inductance of a fine-adjustable magnetic core, which relates to the technical field of inductance and comprises a bottom end block and a top end block, wherein a positioning groove is arranged in the middle of one side of the bottom end block opposite to the top end block, a magnetic core is clamped between the bottom end block and the top end block through the positioning groove, pins are symmetrically fixed at two ends of the bottom end block, a coil is wound on the outer wall of the magnetic core, and two ends of the coil are respectively connected with the top ends of the two pins, the utility model realizes that a first shell and a second shell adopt a plug-in structure through the arrangement of the connecting groove and the connecting block so as to be convenient for splicing and disassembling the first shell and the second shell, and simultaneously utilizes a clamping block, a clamping groove and a clamping spring to clamp the first shell and the second shell so as to realize the quick installation of the first shell and the second shell, thereby realizing the quick disassembly and assembly, and the operation is simple, the time and the labor are saved, and the maintenance efficiency of the inductor is improved.

Description

Inductor with magnetic core capable of being finely adjusted
Technical Field
The utility model belongs to the technical field of the inductance, concretely relates to inductance of magnetic core can finely tune.
Background
Inductors are electromagnetic induction elements formed by winding insulated wires (e.g., enameled wires, covered wires, etc.), and are also one of the components commonly used in electronic circuits. The inductance is a group of series-connected coaxial wire turns formed by winding enameled wires, yarn-covered wires or plastic covered wires and the like on an insulating framework, a magnetic core or an iron core, and is represented by a letter L in a circuit, and the inductance mainly plays a role in isolating and filtering alternating current signals or forming a resonant circuit with a capacitor, a resistor and the like.
However, the inductor in the current market still has certain defects in the use process, such as: when the inductance damages, the dismouting degree of difficulty is big, and complex operation, consuming time and wasting power, influences the maintenance efficiency of inductance, in addition, when the number of turns of coil needs increase by a small amount, current inductance can not finely tune the magnetic core, need be equipped with extra magnetic core, the use of the inductance of not being convenient for.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an inductance of magnetic core can finely tune to the dismouting degree of difficulty that proposes in solving above-mentioned background art is big, and complex operation, consuming time power, maintenance efficiency is low, in addition, can not finely tune inconvenient problem to the magnetic core.
In order to achieve the above object, the utility model provides a following technical scheme: an inductor capable of finely adjusting a magnetic core comprises a bottom end block and a top end block, wherein a positioning groove is formed in the middle of one opposite side of the bottom end block and the top end block, the magnetic core is clamped between the bottom end block and the top end block through the positioning groove, pins are symmetrically fixed at two ends of the bottom end block, a coil is wound on the outer wall of the magnetic core, two ends of the coil are respectively connected with the top ends of the two pins, a shell is sleeved outside the bottom end block, the top end block and the magnetic core and comprises a first shell and a second shell, insulating gaskets are bonded in the middle of the inside of the first shell and the inside of the second shell, the two insulating gaskets can be combined into a circular ring structure to wrap the coil, two connecting blocks are symmetrically arranged at two ends of the first shell, which are adjacent to the second shell, cavity grooves are formed in the inside of the four connecting blocks, and clamping springs are formed in the four, and the two ends of the four clamping springs are connected with clamping blocks which can extend to the outside of the connecting blocks through moving blocks, the two ends of the second shell are respectively provided with connecting grooves corresponding to the four connecting blocks one to one, and the two sides of the inner walls of the four connecting grooves are provided with clamping grooves matched with the clamping blocks.
Preferably, the magnetic core includes top core and bottom core, wherein the top integrated into one piece of bottom core has the spiro union portion, the bottom of top core seted up with spiro union portion assorted spiro union groove, simultaneously the inside bilateral symmetry that just is located the spiro union groove of top core has seted up the cavity, two the inside of cavity all is fixed with spacing spring through the fixed block, and the free end of two spacing springs all is connected with the stopper that can extend to spiro union inslot portion through the movable plate, the top both sides of spiro union portion still symmetry seted up with stopper assorted spacing groove.
Preferably, the peripheries of the outer walls of the bottom end block and the top end block are provided with wire grooves in an annular array, and the wire grooves are matched with the wound coil wire bodies.
Preferably, the periphery of the inner walls of the two cavities is bonded with an insulating pad, and the insulating pad is of a frame-shaped structure with a hollow middle part.
Preferably, the opposite corners of one end of the connecting block, which is far away from the first shell, are all transited by arc chamfers to form smooth arc ends of the surface wall.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the utility model discloses a setting of spread groove and connecting block realizes that first casing and second casing adopt plug-in structure to in the concatenation and the dismantlement of first casing and second casing, utilize fixture block, draw-in groove and joint spring simultaneously, with first casing and second casing joint, realize the quick installation of first casing and second casing, thereby realize the quick assembly disassembly of shell, and easy and simple to handle, labour saving and time saving is favorable to improving the maintenance efficiency of inductance.
(2) The utility model discloses a magnetic core of constituteing by top core and bottom core to utilize spiro union portion and spiro union groove, can realize the fine setting of magnetic core length, utilize stopper, spacing groove and spacing spring simultaneously, can prescribe a limit to spiro union portion and spiro union groove, reached the purpose of anticreep, avoid breaking away from between top core and the bottom core, thereby the magnetic core of being convenient for finely tunes according to the number of turns of coil, has improved the application scope of magnetic core widely, the effectual practicality that improves the inductance.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an external view of the present invention;
fig. 3 is a schematic structural view of the magnetic core of the present invention;
FIG. 4 is a schematic structural view of the magnetic core of the present invention during fine tuning;
FIG. 5 is an enlarged view taken at A in FIG. 1;
FIG. 6 is an enlarged view of FIG. 3 at B;
FIG. 7 is an enlarged view at C in FIG. 4;
in the figure: 1-a bottom block; 2-a first housing; 3-a coil; 4-a top block; 5-positioning a groove; 6-a magnetic core; 61-a top core; 62-a bottom core; 63-a screw joint; 64-screw grooves; 7-a wire groove; 8-a second housing; 9-insulating washer; 10-stitch; 11-a snap spring; 12-a connecting trough; 13-connecting block; 14-a fixture block; 15-a card slot; 16-a limit spring; 17-an insulating pad; 18-a limiting block; 19-a limit groove.
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. 1-7, the present invention provides a technical solution: an inductor capable of finely adjusting a magnetic core comprises a bottom end block 1 and a top end block 4, wherein a positioning groove 5 is formed in the middle of one side, opposite to the top end block 4, of the bottom end block 1, a magnetic core 6 is clamped between the bottom end block 1 and the top end block 4 through the positioning groove 5, pins 10 are symmetrically fixed at two ends of the bottom end block 1, a coil 3 is wound on the outer wall of the magnetic core 6, two ends of the coil 3 are respectively connected with the top ends of the two pins 10, outer shells are sleeved outside the bottom end block 1, the top end block 4 and the magnetic core 6, each outer shell comprises a first shell 2 and a second shell 8, an insulating gasket 9 is bonded in the middle of each of the first shell 2 and the second shell 8, the two insulating gaskets 9 can be combined into a circular ring-shaped structure to wrap the coil 3, two connecting blocks 13 are symmetrically installed at two ends, adjacent to the second shell 8, of the first shell 2, cavity grooves, joint spring 11 has all been seted up to the inside in four chamber grooves, and the both ends of four joint springs 11 all are connected with the fixture block 14 that can extend to connecting block 13 outside through the movable block, spread groove 12 with four connecting block 13 one-to-ones is seted up respectively at the both ends of second casing 8 simultaneously, and the inner wall both sides of four spread grooves 12 all seted up with fixture block 14 assorted draw-in groove 15, when the inductance damages, when needing the maintenance, the user is with first casing 2 and second casing 8 toward opposite direction pulling, make fixture block 14 atress and shrink under joint spring 11's elastic action, and break away from draw-in groove 15, thereby make connecting block 13 break away from spread groove 12, make first casing 2 and second casing 8 separate, in order to maintain the inductance, and is easy and simple to handle.
Further, the magnetic core 6 comprises a top core body 61 and a bottom core body 62, wherein the top end of the bottom core body 62 is integrally formed with a screw joint part 63, the bottom end of the top core body 61 is provided with a screw joint groove 64 matched with the screw joint part 63, and simultaneously, the inside of the top core body 61 and the two sides of the screw joint groove 64 are symmetrically provided with cavities, the insides of the two cavities are both fixed with limiting springs 16 through fixing blocks, the free ends of the two limiting springs 16 are both connected with limiting blocks 18 capable of extending into the screw joint groove 64 through moving plates, the two sides of the top of the screw joint part 63 are also symmetrically provided with limiting grooves 19 matched with the limiting blocks 18, in the process of winding the coil 3, a user can finely adjust the magnetic core 6 according to the number of turns of the coil 3, namely, the user holds the bottom core body 62 with hand, screws the top core body 61, so that the screw joint part 63 is rotated out in the screw joint groove 64, so that the length of the, in addition, when the limiting grooves 19 on the two sides of the end of the screw joint 63 correspond to the limiting blocks 18, the limiting blocks 18 are ejected out under the action of the limiting springs 16 to be clamped into the limiting grooves 19, the screw joint 63 and the screw joint groove 64 are limited, and the screw joint 63 is prevented from being separated from the screw joint groove 64, so that the magnetic core 6 can be used conveniently.
Specifically, the peripheries of the outer walls of the bottom end block 1 and the top end block 4 are all provided with a wire slot 7 in an annular array, and the wire slot 7 is matched with the wire body of the wound coil 3, so that two ends of the wire body of the wound coil 3 are connected with pins 10.
It should be noted that the periphery of the inner walls of the two cavities are all bonded with the insulating pads 17, and the insulating pads 17 are of frame-shaped structures with hollow-out centers, so as to facilitate the installation of the internal structures of the cavities.
Furthermore, the opposite corners of one end of the connecting block 13 far away from the first shell 2 are all transited by arc chamfers to form smooth arc ends of the surface wall, so that the connecting block 13 can be rapidly inserted into the connecting groove 12.
The utility model discloses a theory of operation and use flow: when the utility model is used, a user can firstly clamp the two ends of the magnetic core 6 into the bottom end block 1 and the top end block 4 through the positioning grooves 5 respectively, then the enameled wire is wound outside the magnetic core 6 to form the coil 3, and the two ends of the coil 3 are respectively connected with the two pins 10 at the bottom of the bottom end block 1, in the process of winding the coil 3, the user can finely adjust the magnetic core 6 according to the number of turns of the coil 3, namely, the user holds the bottom core body 62 and twists the top core body 61, so that the screwing part 63 rotates and rotates out in the screwing groove 64, the length of the magnetic core 6 consisting of the top core body 61 and the bottom core body 62 can be finely adjusted according to the number of turns of the coil 3, in addition, when the limiting grooves 19 at the two sides of the end part of the screwing part 63 correspond to the limiting blocks 18, at the moment, the limiting blocks 18 are popped out under the action of the limiting springs 16 to be clamped into, the situation that the screw connection part 63 is separated from the screw connection groove 64 is avoided so as to be convenient for the use of the magnetic core 6, then the shell formed by combining the first shell 2 and the second shell 8 is clamped outside the inductor formed by the bottom end block 1, the top end block 4, the coil 3 and the magnetic core 6, when the shell is installed, the connecting block 13 at the end part of the first shell 2 is inserted into the connecting groove 12 at the end part of the second shell 8, so that the first shell 2 and the second shell 8 are inserted and connected, at the moment, the clamping block 14 corresponds to the clamping groove 15 and is clamped into the clamping groove 15 under the elastic action of the clamping spring 11 so as to clamp the connecting block 13 into the connecting groove 12, so that the first shell 2 and the second shell 8 are clamped to achieve the purpose of quick connection, thereby the installation of the shell is realized, after the installation, a user inserts the pin 10 into the corresponding position in the circuit board to work, when the inductor is damaged and needs maintenance, the user pulls the first shell 2 and the second shell 8, so that the clamping block 14 is stressed and contracts under the elastic action of the clamping spring 11 and is separated from the clamping groove 15, and the connecting block 13 is separated from the connecting groove 12, so that the first shell 2 and the second shell 8 are separated to maintain the inductor, and the operation is simple and convenient.
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 (5)

1. An inductance of fine tuning magnetic core which characterized in that: the magnetic core comprises a bottom end block (1) and a top end block (4), wherein a positioning groove (5) is formed in the middle of one opposite side of the bottom end block (1) and the top end block (4), a magnetic core (6) is clamped between the bottom end block (1) and the top end block (4) through the positioning groove (5), pins (10) are symmetrically fixed at two ends of the bottom end block (1), a coil (3) is wound on the outer wall of the magnetic core (6), two ends of the coil (3) are respectively connected with the top ends of the two pins (10), outer shells are sleeved on the outside of the bottom end block (1), the top end block (4) and the magnetic core (6) and comprise a first shell (2) and a second shell (8), insulating gaskets (9) are bonded in the middle of the inside of the first shell (2) and the inside of the second shell (8), and the two insulating gaskets (9) can be combined into a ring-shaped structure, in order to wrap coil (3), two connecting blocks (13) are installed to the equal symmetry in both ends that first casing (2) are adjacent to second casing (8), and the chamber groove has all been seted up to the inside of four connecting blocks (13), four joint spring (11) have all been seted up to the inside in chamber groove, and the both ends of four joint springs (11) all are connected with extensible to the outside fixture block (14) of connecting block (13) through the movable block, simultaneously spread groove (12) with four connecting blocks (13) one-to-one are seted up respectively to the both ends of second casing (8), and the inner wall both sides of four spread grooves (12) all seted up with fixture block (14) assorted draw-in groove (15).
2. A trimmable core inductor according to claim 1, wherein: magnetic core (6) include top core (61) and bottom core (62), wherein the top integrated into one piece of bottom core (62) has spiro union portion (63), the bottom of top core (61) seted up with spiro union portion (63) assorted spiro union groove (64), simultaneously the inside bilateral symmetry that just is located spiro union groove (64) of top core (61) has seted up the cavity, two the inside of cavity all is fixed with spacing spring (16) through the fixed block, and the free end of two spacing spring (16) all is connected with stopper (18) that can extend to spiro union groove (64) inside through the movable plate, the top both sides of spiro union portion (63) still symmetry seted up with stopper (18) assorted spacing groove (19).
3. A trimmable core inductor according to claim 1, wherein: the peripheries of the outer walls of the bottom end block (1) and the top end block (4) are provided with wire grooves (7) in an annular array, and the wire grooves (7) are matched with the wire bodies of the wound coils (3).
4. A trimmable core inductor according to claim 2, wherein: insulating pads (17) are bonded on the periphery of the inner walls of the two cavities, and the insulating pads (17) are of frame-shaped structures with hollow-out middles.
5. A trimmable core inductor according to claim 1, wherein: the opposite corners of one end, far away from the first shell (2), of the connecting block (13) are in arc chamfer transition to form smooth arc ends of the surface wall.
CN201922004036.8U 2019-11-19 2019-11-19 Inductor with magnetic core capable of being finely adjusted Expired - Fee Related CN210467494U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922004036.8U CN210467494U (en) 2019-11-19 2019-11-19 Inductor with magnetic core capable of being finely adjusted

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922004036.8U CN210467494U (en) 2019-11-19 2019-11-19 Inductor with magnetic core capable of being finely adjusted

Publications (1)

Publication Number Publication Date
CN210467494U true CN210467494U (en) 2020-05-05

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114823101A (en) * 2022-04-13 2022-07-29 湖南防灾科技有限公司 Switch-pluggable on-load tap changer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114823101A (en) * 2022-04-13 2022-07-29 湖南防灾科技有限公司 Switch-pluggable on-load tap changer

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Granted publication date: 20200505