CN213988544U

CN213988544U - Adjustable inductor

Info

Publication number: CN213988544U
Application number: CN202023105023.9U
Authority: CN
Inventors: 肖平; 谢敏
Original assignee: Ansheng Electronics Shenzhen Co ltd
Current assignee: Ansheng Electronics Shenzhen Co ltd
Priority date: 2020-12-21
Filing date: 2020-12-21
Publication date: 2021-08-17
Anticipated expiration: 2030-12-21

Abstract

The utility model discloses an adjustable inductance, include the magnetic core and around establishing the coil on the magnetic core, the first pin of one end fixedly connected with of coil, the cover is equipped with the U-shaped frame on the magnetic core, and magnetic core fixed mounting is between the both sides inner wall of U-shaped frame, and fixed mounting has the insulating dead lever that is located the magnetic core below between the both sides inner wall of U-shaped frame, and insulating dead lever cover is established on first pin, and first through-hole has been seted up at the top of insulating dead lever, rotates between the both sides inner wall of first through-hole and installs the screw rod, and the left end of screw rod extends to the left side and the fixed mounting of U-shaped frame has the knob. The utility model relates to a rationally, be convenient for adjust metal pin's horizontal position according to actual need to reach and adjust the magnetic flux size, improve application range, and compression spring's setting, make metal pin's top contact with the bottom of coil all the time, avoid appearing the phenomenon that metal pin and coil separated the outage, satisfy the user demand.

Description

Adjustable inductor

Technical Field

The utility model relates to an inductance technical field especially relates to an adjustable inductance.

Background

The inductor is an electronic element widely applied to electronic equipment, is an energy storage element and is also an adjusting element, a coil is wound on a magnetic core in the traditional inductor, so that the inductor has a fixed number of turns of the coil and a fixed length of the magnetic core, then the magnetic core and the coil are packaged by plastic, two ends of the coil are respectively connected with two metal leads, then the metal leads are welded on a circuit board, the inductor is welded and then electrified in the circuit, the magnetic flux generated by the inductor is fixed and unchanged, and the stored energy is also fixed and unchanged;

the existing inductor has the defect that the magnetic flux is not convenient to adjust according to actual needs, so that the application range of the existing inductor is limited, the existing inductor cannot be suitable for different electronic products, along with the continuous updating and upgrading of the electronic products, some electronic equipment needs to change the size of the magnetic flux of the inductor under certain conditions so as to adapt to different requirements of different electronic elements on energy, and some adjustable inductors realize the inductance change by adjusting the positions of magnetic cores in inductance coils.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an adjustable inductor.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an adjustable inductor comprises a magnetic core and a coil wound on the magnetic core, wherein one end of the coil is fixedly connected with a first pin, the magnetic core is sleeved with a U-shaped frame, the magnetic core is fixedly arranged between the inner walls of the two sides of the U-shaped frame, an insulating fixed rod positioned below the magnetic core is fixedly arranged between the inner walls of the two sides of the U-shaped frame, the insulating fixed rod is sleeved on the first pin, a first through hole is formed in the top of the insulating fixed rod, a screw rod is rotatably arranged between the inner walls of the two sides of the first through hole, the left end of the screw rod extends to the left side of the U-shaped frame and is fixedly provided with a knob, a plurality of deflector rods are fixedly arranged on the outer side of the knob in an annular shape, the U-shaped frame is sleeved on the screw rod, a metal pin is sleeved on the insulating fixed rod, the top of the metal pin is contacted with the bottom of the coil, an insulating clip frame is fixedly arranged on the right side of the metal pin, and is sleeved on the insulating fixed rod, the threaded sleeve is provided with a moving block, the front side and the rear side of the moving block are respectively connected with the front inner wall and the rear inner wall of the first through hole in a sliding mode, a T-shaped positioning rod is fixedly mounted at the top of the moving block, the top of the T-shaped positioning rod extends to the upper side of the insulating clip frame, the insulating clip frame is sleeved on the T-shaped positioning rod in a sliding mode, a rectangular rod is fixedly mounted at the bottom of the moving block, the bottom of the rectangular rod extends to the lower side of the insulating clip frame and is fixedly provided with a limiting block, the bottom of the insulating clip frame is fixedly provided with a U-shaped handle, the limiting block is located in the U-shaped handle, a plurality of compression springs in a compression state are fixedly mounted between the top inner wall of the insulating clip frame and the top of the moving block, a rectangular sleeve is fixedly mounted at the bottom of the right side of the insulating clip frame, a first positioning rod is fixedly mounted at the bottom of the insulating fixing rod, and the rectangular sleeve is sleeved on the first positioning rod in a sliding mode.

Preferably, one side of the moving block is provided with a threaded hole, and the threaded hole is in threaded connection with the screw rod.

Preferably, a through hole is formed in one side of the metal pin, and the insulating fixing rod is located in the through hole and does not contact with the inner wall of the through hole.

Preferably, a first rectangular hole is formed in the inner wall of the bottom of the insulating square-shaped frame, and the inner wall of the first rectangular hole is in sliding connection with the outer side of the rectangular rod.

Preferably, the inner wall of the bottom of the rectangular sleeve is provided with a limiting hole, the bottom of the first locating rod is fixedly provided with a limiting block, and the limiting block is connected with the limiting hole in a sliding mode.

Preferably, a rotating groove is formed in the inner wall of the right side of the first through hole, a first bearing is fixedly sleeved in the rotating groove, a first circular hole is formed in the inner wall of the left side of the first through hole, a second bearing is sleeved in the first circular hole, the inner side of the inner ring of the first bearing and the inner side of the inner ring of the second bearing are fixedly connected with the outer side of the screw rod, a second circular hole is formed in the inner wall of the left side of the U-shaped frame, and the screw rod is located in the second circular hole and is not in contact with the outer side of the screw rod.

Preferably, a second rectangular hole is formed in the inner wall of the top of the insulating square-shaped frame, and the inner wall of the second rectangular hole is in sliding connection with the outer side of the T-shaped positioning rod.

Compared with the prior art, the beneficial effects of the utility model are that:

by matching the magnetic core, the coil, the first pin, the U-shaped frame, the insulating fixed rod, the first through hole, the screw rod, the first positioning rod, the rectangular sleeve, the metal pin, the insulating clip frame, the moving block, the T-shaped positioning rod, the compression spring, the rectangular rod, the limiting block, the U-shaped handle and the through hole with the knob, when the magnetic flux is required to be adjusted according to actual needs, the U-shaped handle is pulled downwards to drive the insulating clip frame to move downwards and compress the compression spring, the insulating clip frame drives the metal pin to move downwards to be separated from the bottom of the coil, then the poking rod is pulled to drive the knob to rotate in the forward direction, the knob drives the screw rod to rotate, the moving block is driven to move rightwards while the screw rod rotates, the moving block drives the metal pin to move rightwards through the T-shaped positioning rod and the insulating clip frame, so that the number of turns of the coil between the metal pin and the first pin is gradually reduced, when the bottom of the wound coil is higher than the top of the metal pin, the elastic force of the compression spring drives the metal pin to move upwards through the insulation clip frame to be contacted with the bottom of the coil, when the top of the metal pin is higher than the bottom of the coil, the U-shaped handle is pulled downwards to drive the insulation clip frame to compress the compression spring, the insulation clip frame drives the metal pin to move downwards, so that the top of the metal pin is always contacted with the bottom of the coil, the phenomenon that the metal pin and the coil are separated and powered off is avoided.

The utility model relates to a rationally, be convenient for adjust metal pin's horizontal position according to actual need to reach and adjust the magnetic flux size, improve application range, and compression spring's setting, make metal pin's top contact with the bottom of coil all the time, avoid appearing the phenomenon that metal pin and coil separated the outage, satisfy the user demand.

Drawings

Fig. 1 is a schematic cross-sectional structural diagram of an adjustable inductor according to the present invention;

fig. 2 is an enlarged schematic view of a portion a in fig. 1.

In the figure: 100 magnetic cores, 101 coils, 102 first pins, 1U-shaped frame, 2 insulating fixing rods, 3 first through holes, 4 screw rods, 5 first positioning rods, 6 rectangular sleeves, 7 metal pins, 8 insulating clip frames, 9 moving blocks, 10T-shaped positioning rods, 11 compression springs, 12 rectangular rods, 13 limiting blocks, 14U-shaped handles, 15 through holes and 16 knobs.

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.

Referring to fig. 1-2, an adjustable inductor includes a magnetic core 100 and a coil 101 wound on the magnetic core 100, one end of the coil 101 is fixedly connected with a first pin 102, the magnetic core 100 is sleeved with a U-shaped frame 1, the magnetic core 100 is fixedly installed between two side inner walls of the U-shaped frame 1, an insulating fixing rod 2 located below the magnetic core 100 is fixedly installed between the two side inner walls of the U-shaped frame 1, the insulating fixing rod 2 is sleeved on the first pin 102, a first through hole 3 is opened at the top of the insulating fixing rod 2, a screw rod 4 is rotatably installed between the two side inner walls of the first through hole 3, the left end of the screw rod 4 extends to the left side of the U-shaped frame 1 and is fixedly installed with a knob 16, the outer side of the knob 16 is fixedly installed with a plurality of shift levers in a ring shape, the U-shaped frame 1 is sleeved on the screw rod 4, the insulating fixing rod 2 is sleeved with a metal pin 7, the top of the metal pin 7 is contacted with the bottom of the coil 101, an insulating clip 8 is fixedly arranged on the right side of the metal pin 7, the insulating clip 8 is sleeved on the insulating fixed rod 2, a moving block 9 is sleeved on the screw rod 4 through threads, the front side and the rear side of the moving block 9 are respectively connected with the front side inner wall and the rear side inner wall of the first through hole 3 in a sliding manner, a T-shaped positioning rod 10 is fixedly arranged on the top of the moving block 9, the top of the T-shaped positioning rod 10 extends to the upper part of the insulating clip 8, the insulating clip 8 is sleeved on the T-shaped positioning rod 10 in a sliding manner, a rectangular rod 12 is fixedly arranged at the bottom of the moving block 9, the bottom of the rectangular rod 12 extends to the lower part of the insulating clip 8 and is fixedly provided with a limiting block 13, a U-shaped handle 14 is fixedly arranged at the bottom of the insulating clip 8, the limiting block 13 is positioned in the U-shaped handle 14, and a plurality of compression springs 11 in a compression state are fixedly arranged between the top inner wall of the insulating clip 8 and the top of the moving block 9, insulating right side bottom fixed mounting who returns shape frame 8 has rectangle sleeve 6, and the bottom fixed mounting of insulating dead lever 2 has first locating lever 5, and the slip cover of rectangle sleeve 6 is established on first locating lever 5, the utility model relates to a rationally, be convenient for adjust metal pin 7's lateral position according to actual need to reach and adjust the magnetic flux size, improve application range, and compression spring 11's setting, make metal pin 7's top contact with coil 101's bottom all the time, avoid appearing metal pin 7 and coil 101 separation outage's phenomenon, satisfy the user demand.

In the utility model, one side of the moving block 9 is provided with a threaded hole, the threaded hole is in threaded connection with the screw rod 4, one side of the metal pin 7 is provided with a perforation 15, the insulating fixed rod 2 is positioned in the perforation 15 and is not contacted with the inner wall of the perforation 15, the bottom inner wall of the insulating clip 8 is provided with a first rectangular hole, the inner wall of the first rectangular hole is in sliding connection with the outer side of the rectangular rod 12, the bottom inner wall of the rectangular sleeve 6 is provided with a limit hole, the bottom of the first locating rod 5 is fixedly provided with a limit block, the limit block is in sliding connection with the limit hole, the right side inner wall of the first through hole 3 is provided with a rotating groove, the rotating groove is fixedly sleeved with a first bearing, the left side inner wall of the first through hole 3 is provided with a first circular hole, the first circular hole is fixedly sleeved with a second bearing, the inner ring of the first bearing and the inner ring of the second bearing are both fixedly connected with the outer side of the screw rod 4, the second circular port has been seted up on the left side inner wall of U-shaped frame 1, screw rod 4 be located the circular hole of second and with screw rod 4's outside contactless, the second rectangular hole has been seted up on insulating shape frame 8's the top inner wall that returns, the inner wall of second rectangular hole and T shape locating lever 10's outside sliding connection, the utility model relates to a rationally, be convenient for adjust metal pin 7's horizontal position according to actual need to reach and adjust the magnetic flux size, improve application range, and compression spring 11's setting for metal pin 7's top contacts with the bottom of coil 101 all the time, avoids appearing the phenomenon of metal pin 7 and coil 101 separation outage, satisfies the user demand.

The working principle is as follows: when the magnetic flux is adjusted according to actual needs, the U-shaped handle 14 is pulled downwards, the U-shaped handle 14 drives the insulating clip 8 to move downwards and compress the compression spring 11, the insulating clip 8 moves downwards and simultaneously drives the metal pin 7 to move downwards and separate from the bottom of the coil 101, then the deflector rod is pulled to drive the knob 16 to rotate in the forward direction, the knob 16 drives the screw rod 4 to rotate, the screw rod 4 rotates and simultaneously drives the moving block 9 to move rightwards under the action of the threaded hole formed in the moving block 9, the moving block 9 drives the insulating clip 8 to move rightwards through the T-shaped positioning rod 10, the insulating clip 8 drives the rectangular sleeve 6 to slide rightwards on the first positioning rod 5, the insulating clip 8 drives the metal pin 7 to move rightwards, the metal pin 7 moves rightwards, and the number of turns of the coil 101 between the metal pin 7 and the first pin 102 is gradually reduced, then the magnetic flux is gradually reduced, otherwise, the knob 16 is rotated reversely, so that the metal pin 7 moves leftwards, the number of turns of the coil 101 between the metal pin 7 and the first pin 102 is gradually increased, further, the magnetic flux is gradually increased, when the metal pin 7 moves to a proper position, the deflector rod stops rotating, the downward pulling force on the U-shaped handle 14 is released, at the moment, the elastic force of the compression spring 11 in a compression state drives the insulation clip frame 8 to move upwards, the insulation clip frame 8 drives the metal pin 7 to move upwards to be in contact with the bottom of the coil 101, and under the action of the thread locking damping force between the threaded hole and the screw rod 4, the metal pin 7 is fixed, and further, the adjustment of the magnetic flux is completed;

when the bottom position of the wound coil 101 is higher than the top of the metal pin 7, the elastic force of the compression spring 11 drives the insulating clip 8 to move upwards, the insulating clip 8 slides upwards on the T-shaped positioning rod 10 and the rectangular rod 12, the insulating clip 8 drives the metal pin 7 to move upwards while moving upwards, when the top of the metal pin 7 is higher than the bottom of the coil 101, the U-shaped handle 14 is pulled downwards, the U-shaped handle 14 drives the insulating clip 8 to move downwards, the insulating clip 8 compresses the compression spring 11 while moving downwards, and the insulating clip 8 drives the metal pin 7 to move downwards, so that the top of the metal pin 7 is always in contact with the bottom of the coil 101, and the phenomenon of power failure caused by the separation of the metal pin 7 and the coil 101 is reduced.

In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An adjustable inductor comprises a magnetic core (100) and a coil (101) wound on the magnetic core (100), wherein one end of the coil (101) is fixedly connected with a first pin (102), and is characterized in that a U-shaped frame (1) is sleeved on the magnetic core (100), the magnetic core (100) is fixedly installed between the inner walls of the two sides of the U-shaped frame (1), an insulating fixing rod (2) positioned below the magnetic core (100) is fixedly installed between the inner walls of the two sides of the U-shaped frame (1), the insulating fixing rod (2) is sleeved on the first pin (102), a first through hole (3) is formed in the top of the insulating fixing rod (2), a screw rod (4) is rotatably installed between the inner walls of the two sides of the first through hole (3), the left end of the screw rod (4) extends to the left side of the U-shaped frame (1) and is fixedly provided with a knob (16), and the outer side of the knob (16) is provided with a plurality of shift levers in an annular shape, the U-shaped frame (1) is sleeved on the screw (4), the insulating fixed rod (2) is sleeved with a metal pin (7), the top of the metal pin (7) is contacted with the bottom of the coil (101), the right side of the metal pin (7) is fixedly provided with an insulating clip frame (8), the insulating clip frame (8) is sleeved on the insulating fixed rod (2), the screw thread on the screw (4) is sleeved with a movable block (9), the front side and the rear side of the movable block (9) are respectively in sliding connection with the inner wall of the front side and the inner wall of the rear side of the first through hole (3), the top of the movable block (9) is fixedly provided with a T-shaped positioning rod (10), the top of the T-shaped positioning rod (10) extends to the upper part of the insulating clip frame (8), the insulating clip frame (8) is slidably sleeved on the T-shaped positioning rod (10), the bottom of the movable block (9) is fixedly provided with a rectangular rod (12), the bottom end of the rectangular rod (12) extends to the lower part of the insulating clip frame (8) and is fixedly provided with a limiting block (13), the bottom fixed mounting who returns shape frame (8) is insulating has U-shaped handle (14), stopper (13) are located U-shaped handle (14), fixed mounting has a plurality of compression spring (11) that are in compression state between the top inner wall of insulating shape frame (8) of returning and the top of movable block (9), the right side bottom fixed mounting who returns shape frame (8) is insulating has rectangular sleeve (6), the bottom fixed mounting of insulating dead lever (2) has first locating lever (5), rectangular sleeve (6) slip cap is established on first locating lever (5).

2. The adjustable inductor according to claim 1, wherein one side of the moving block (9) is provided with a threaded hole, and the threaded hole is in threaded connection with the screw (4).

3. An adjustable inductor according to claim 1, wherein one side of the metal pin (7) is provided with a through hole (15), and the insulating fixing rod (2) is located in the through hole (15) and does not contact with the inner wall of the through hole (15).

4. The adjustable inductor according to claim 1, wherein the inner wall of the bottom of the insulating square frame (8) is provided with a first rectangular hole, and the inner wall of the first rectangular hole is slidably connected with the outer side of the rectangular rod (12).

5. The adjustable inductor according to claim 1, wherein a limiting hole is formed in the inner wall of the bottom of the rectangular sleeve (6), a limiting block is fixedly mounted at the bottom of the first positioning rod (5), and the limiting block is slidably connected with the limiting hole.

6. The adjustable inductor according to claim 1, wherein a rotating groove is formed on the right inner wall of the first through hole (3), a first bearing is fixedly sleeved in the rotating groove, a first circular hole is formed on the left inner wall of the first through hole (3), a second bearing is fixedly sleeved in the first circular hole, the inner side of the inner ring of the first bearing and the inner side of the inner ring of the second bearing are both fixedly connected with the outer side of the screw (4), a second circular hole is formed on the left inner wall of the U-shaped frame (1), and the screw (4) is located in the second circular hole and is not in contact with the outer side of the screw (4).

7. The adjustable inductor according to claim 1, wherein a second rectangular hole is formed in the inner wall of the top of the insulating square frame (8), and the inner wall of the second rectangular hole is slidably connected with the outer side of the T-shaped positioning rod (10).