Special ferrite core for high-precision magnetic induction sensor

Abstract

The utility model relates to the technical field of ferrite magnetic cores, and discloses a special ferrite magnetic core for a high-precision magnetic induction sensor, which comprises a lower magnetic core, an upper magnetic core is arranged at the top end of the lower magnetic core, and a shell is arranged outside the lower magnetic core and the upper magnetic core. According to the ferrite magnetic core special for the high-precision magnetic induction sensor, the protective shell, the two-way threaded rod, the rotating handle, the fixing blocks, the clamping blocks and the limiting sliding grooves are arranged, the fixing blocks on the two sides of the lower magnetic core are aligned with the fixing blocks on the two sides of the upper magnetic core, the clamping blocks are aligned with the limiting clamping grooves after the fixing blocks are aligned, and then the rotating handle is rotated; the rotating handle drives the two-way threaded rod to rotate, so that the external threaded sleeve of the two-way threaded rod drives the clamping block to move, the clamping block can be embedded in the limiting clamping groove to fix the fixing block, the lower magnetic core and the upper magnetic core can be spliced and fixed together by fixing the fixing block, and the problem that the two groups of magnetic cores are inconvenient to fix together, and the magnetic core fixing efficiency is high is solved. And the use is easily influenced.

Description

TECHNICAL FIELD

[0001] The utility model relates to ferrite core technical field, concretely is a kind of ferrite core of high-precision magnetic induction sensor special use. BACKGROUND

[0002] Magnetic sensor is widely used in modern industry and electronic product to measure current, position, direction and other physical parameters by inducting magnetic field intensity, ferrite core has higher magnetic permeability, can effectively improve electromagnetic energy conversion efficiency, to enhance the sensitivity of sensor, and ferrite core has lower hysteresis loss under the action of magnetic field, is conducive to reducing the heat loss of magnetic element.

[0003] There are still some problems in the common ferrite core of high-precision magnetic induction sensor special use, for example;When using ferrite core, two groups of magnetic cores need to be spliced together, but it is not convenient to fix two groups of magnetic cores together when splicing magnetic cores, which can easily affect use.

[0004] Therefore, we propose a kind of ferrite core of high-precision magnetic induction sensor special use to improve the above problems. INVENTION CONTENTS

[0005] The utility model aims at providing a kind of ferrite core of high-precision magnetic induction sensor special use to solve the problem of not being convenient to fix two groups of magnetic cores together in the above background art, which can easily affect use.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of ferrite core of high-precision magnetic induction sensor special use, including lower magnetic core, the top of the lower magnetic core is provided with upper magnetic core, the outside of lower magnetic core and upper magnetic core is provided with shell, the outside of lower magnetic core and upper magnetic core is coated with protective layer, the outside between lower magnetic core and upper magnetic core is provided with coil, the outside of the coil is wound with wire main body, the two sides of lower magnetic core and upper magnetic core are provided with the fixed structure facilitating the splicing of lower magnetic core and upper magnetic core;

[0007] Fixed structure includes protective shell, bidirectional screw rod and steering wheel, the top of the two sides of lower magnetic core and the bottom of the two sides of upper magnetic core are fixedly connected with fixed block, the inside of fixed block is provided with limit clamping groove, the two sides of lower magnetic core and upper magnetic core are provided with protective shell, the inside of protective shell is movably connected with bidirectional screw rod, the top of bidirectional screw rod is fixedly connected with steering wheel, the upper and lower ends of the outside of bidirectional screw rod are provided with threaded sleeve, the side close to the middle of threaded sleeve is fixedly connected with fixed rod, the bottom close to the middle of fixed rod is fixedly connected with clamping block, the side of the inside of protective shell is provided with limit sliding slot.

[0008] As a further technical scheme of the utility model, the fixed rod slides up and down inside the limiting sliding groove.

[0009] As a further technical scheme of the utility model, the external thread is processed on the external part of the bidirectional threaded rod, the threads on the external part of the bidirectional threaded rod are opposite, and the threaded sleeve and the bidirectional threaded rod are matched with each other.

[0010] As a further technical scheme of the utility model, the front end of the shell is provided with a protective cover, the upper and lower ends of the left and right sides of the shell and the protective cover are fixedly connected with mounting blocks respectively, mounting grooves are arranged in the inside of the mounting blocks, mounting bolts are arranged in the inside of the mounting grooves, nuts are arranged at the rear end of the outside of the mounting bolts, and spring washers are arranged between the nuts and the mounting blocks.

[0011] As a further technical scheme of the utility model, the mounting blocks are mounted at the front end of the shell through the mounting grooves and the mounting bolts, and the spring washers are arranged at the rear end of the outside of the mounting bolts.

[0012] As a further technical scheme of the utility model, the protective shell is fixedly connected with a support block at the top end of the side close to the middle, the top end of the support block is fixedly connected with a connecting rod, the top end of the outside of the connecting rod is slidably connected with a movable plate, the movable plate and the support block are fixedly connected with a return spring, one side of the top end of the movable plate is fixedly connected with a limiting rod, a reserved hole is arranged at the edge of the inside of the handlebar, and the top end of the side close to the middle of the top end of the protective shell is movably hinged with a pressing plate.

[0013] As a further technical scheme of the utility model, the reserved holes are arranged in groups, and the reserved holes are annularly distributed at the edge of the outside of the handlebar.

[0014] As a further technical scheme of the utility model, the limiting rod is embedded in the inside of the reserved hole, the return spring is arranged on the outside of the connecting rod, and the pressing plate is arranged at one side of the top end of the movable plate.

[0015] Compared with the prior art, the high-precision magnetic induction sensor special ferrite core has the advantages that the ferrite core is convenient to splice, the shell is convenient to install, and the handlebar is convenient to limit;

[0016] (1) By arranging the protective shell, the bidirectional threaded rod, the handlebar, the fixed block, the clamping block and the limiting sliding groove, the fixed blocks on the two sides of the lower magnetic core and the fixed blocks on the two sides of the upper magnetic core are aligned, the clamping block is aligned with the limiting clamping groove after the alignment of the fixed blocks, then the handlebar is rotated, the handlebar drives the bidirectional threaded rod to rotate, the threaded sleeve on the outside of the bidirectional threaded rod drives the clamping block to move, so that the clamping block can be embedded in the inside of the limiting clamping groove to fix the fixed blocks, and the fixed blocks can be fixed to splice the lower magnetic core and the upper magnetic core together;

[0017] (2) By being provided with a shell, a mounting block, a mounting slot, a mounting bolt, a spring washer and a nut, the shell can protect the lower magnetic core and the upper magnetic core, not only preventing damage during transportation, but also allowing the lower magnetic core and the upper magnetic core to be installed inside the shell according to requirements, placing the lower magnetic core and the upper magnetic core inside the shell when protection is required, placing the protective cover at the front end of the shell after placing, and then screwing the mounting bolt into the inside of the mounting slot to fix the protective cover, so that the lower magnetic core and the upper magnetic core can be prevented from being damaged;

[0018] (3) By being provided with a movable plate, a reserved hole, a return spring, a connecting rod, a supporting block and a pressing plate, rotating the pressing plate to turn the pressing plate away from the top end of the movable plate, and after turning away, the return spring makes the movable plate drive the limiting rod to be embedded in the inside of the reserved hole through its elasticity, so that the handlebar can be fixed and limited, preventing the handlebar from accidentally driving the bidirectional threaded rod to rotate accidentally. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a front view cross-sectional structure schematic view of the utility model;

[0020] Figure 2 It is a front view cross-sectional structure schematic view of the protective shell of the utility model;

[0021] Figure 3 It is a side view structure schematic view of the shell of the utility model;

[0022] Figure 4 It is a front view structure schematic view of the utility model; Figure 2 It is a front view cross-sectional enlarged structure schematic view of the utility model.

[0023] In the drawing: 1, lower magnetic core; 2, shell; 3, coil; 4, wire main body; 5, mounting block; 6, protective shell; 7, bidirectional threaded rod; 8, mounting slot; 9, upper magnetic core; 10, handlebar; 11, fixed block; 12, clamping block; 13, protective layer; 14, threaded sleeve; 15, limiting sliding slot; 16, movable plate; 17, limiting clamping groove; 18, mounting bolt; 19, spring washer; 20, nut; 21, reserved hole; 22, limiting rod; 23, return spring; 24, connecting rod; 25, supporting block; 26, pressing plate. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0025] Referring to Figures 1-4 The utility model provides a kind of high-precision magnetic induction sensor special ferrite core, including lower magnetic core 1, the top of lower magnetic core 1 is provided with upper magnetic core 9, the outside of lower magnetic core 1 and upper magnetic core 9 is provided with shell 2, the outside of lower magnetic core 1 and upper magnetic core 9 is coated with protective layer 13, the outside between lower magnetic core 1 and upper magnetic core 9 is provided with coil 3, the outside of coil 3 is wound with wire main body 4, the both sides of lower magnetic core 1 and upper magnetic core 9 are provided with the fixed structure that is convenient for lower magnetic core 1 and upper magnetic core 9 splicing;

[0026] Fixed structure includes protective shell 6, bidirectional screw rod 7 and steering handle 10, the top of the both sides of lower magnetic core 1 and the bottom of the both sides of upper magnetic core 9 are fixedly connected with fixed block 11, the inside of fixed block 11 is provided with limit clamping groove 17, the both sides of lower magnetic core 1 and upper magnetic core 9 are provided with protective shell 6, the inside of protective shell 6 is movably connected with bidirectional screw rod 7, the top of bidirectional screw rod 7 is fixedly connected with steering handle 10, the upper and lower ends of the outside of bidirectional screw rod 7 are provided with threaded sleeve 14, one side close to the middle of threaded sleeve 14 is fixedly connected with fixed rod, the bottom close to the middle of fixed rod is fixedly connected with clamping block 12, one side of the inside of protective shell 6 is provided with limit sliding slot 15;

[0027] Clamping block 12 is embedded in the inside of limit clamping groove 17, fixed rod slides up and down in the inside of limit sliding slot 15, the outside of bidirectional screw rod 7 is processed with external thread, the threads of the outside of bidirectional screw rod 7 are opposite, threaded sleeve 14 and bidirectional screw rod 7 are mutually matched;

[0028] Specifically, as Figure 1 , Figure 2 And Figure 4 Indicated, make the fixed block 11 of the both sides of lower magnetic core 1 and the fixed block 11 of the both sides of upper magnetic core 9 align, after fixed block 11 alignment, align clamping block 12 with limit clamping groove 17, then rotate steering handle 10, steering handle 10 drives bidirectional screw rod 7 to rotate and make the outside of bidirectional screw rod 7 threaded sleeve 14 drive clamping block 12 to move, so that clamping block 12 can be embedded in the inside of limit clamping groove 17 to fixed block 11 fixed, fixed block 11 fixed can make lower magnetic core 1 and upper magnetic core 9 splice and be fixed together.

[0029] The front end of shell 2 is provided with protective cover, the upper and lower ends of the left and right sides of shell 2 and protective cover are fixedly connected with mounting block 5 respectively, the inside of mounting block 5 is provided with mounting slot 8, the inside of mounting slot 8 is provided with mounting bolt 18, the rear end of the outside of mounting bolt 18 is provided with nut 20, spring washer 19 is arranged between nut 20 and mounting block 5, mounting block 5 is installed at the front end of shell 2 through mounting slot 8 and mounting bolt 18, spring washer 19 is arranged at the rear end of the outside of mounting bolt 18;

[0030] Specifically, as Figure 1And Figure 3 As shown in the figure, the shell 2 can protect the lower magnetic core 1 and the upper magnetic core 9, not only can prevent damage during transportation, but also according to the needs of the lower magnetic core 1 and the upper magnetic core 9 installed inside the shell 2, the lower magnetic core 1 and the upper magnetic core 9 are placed inside the shell 2 when the lower magnetic core 1 and the upper magnetic core 9 need to be protected, and the protective cover is placed at the front end of the shell 2 after being placed, and then the mounting bolt 18 is screwed into the inside of the mounting groove 8 to fix the protective cover. The fixed protective cover can prevent the lower magnetic core 1 and the upper magnetic core 9 from being damaged.

[0031] The support block 25 is fixedly connected to the top end of the middle side of the protective shell 6, the connecting rod 24 is fixedly connected to the top end of the support block 25, the movable plate 16 is slidably connected to the top end of the connecting rod 24, the reset spring 23 is fixedly connected between the movable plate 16 and the support block 25, the limiting rod 22 is fixedly connected to one side of the top end of the movable plate 16, the reserved hole 21 is formed in the edge of the inside of the handle 10, the pressure plate 26 is movably hinged to the top end of the middle side of the top end of the protective shell 6, the reserved hole 21 is provided in groups, the reserved hole 21 is annularly distributed at the edge of the outside of the handle 10, the limiting rod 22 is embedded in the inside of the reserved hole 21, the reset spring 23 is arranged outside the connecting rod 24, and the pressure plate 26 is arranged on one side of the top end of the movable plate 16.

[0032] Specifically, as shown in the figure, Figure 1 , Figure 2 and Figure 4 , rotate the pressure plate 26 to make the pressure plate 26 turn away from the top end of the movable plate 16, and after turning away, the reset spring 23 makes the movable plate 16 drive the limiting rod 22 to be embedded in the inside of the reserved hole 21 through its own elasticity, so as to limit and fix the handle 10, preventing the handle 10 from accidentally driving the bidirectional threaded rod 7 to rotate accidentally.

[0033] Working principle: the utility model discloses when using make the fixed block 11 of lower magnetic core 1 both sides and the fixed block 11 of upper magnetic core 9 both sides alignment, the fixed block 11 alignment after putting card block 12 with the limiting clamping groove 17 alignment, then rotate handle 10, handle 10 drives two -way threaded rod 7 rotation makes two -way threaded rod 7 external thread sleeve 14 drive card block 12 removal, can thus make card block 12 embed in the inside limiting clamping groove 17 to fixed block 11 fixed, to fixed block 11 fixed can make lower magnetic core 1 and upper magnetic core 9 splicing fixed together, rotate pressing plate 26 makes the pressing plate 26 from the top of swing plate 16, after turning on reset spring 23 through the elasticity of itself makes swing plate 16 drive limiting rod 22 embed in the inside reserved hole 21, can thus to handle 10 limiting fixed, prevent handle 10 accidentally drive two -way threaded rod 7 accidental rotation, shell 2 can protect lower magnetic core 1 and upper magnetic core 9, not only can prevent the damage when transporting according to the demand makes lower magnetic core 1 and upper magnetic core 9 install in the inside shell 2, need to protect lower magnetic core 1 and upper magnetic core 9 when putting lower magnetic core 1 and upper magnetic core 9 into the inside shell 2, put well after putting protective cover to the front end of shell 2, then install bolt 18 again into the inside installation groove 8 to protective cover fixed, fixed protective cover then can prevent lower magnetic core 1 and upper magnetic core 9 damage.

[0034] It will be apparent to those skilled in the art that the present application is not limited to the details of the above-exemplified embodiments but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Thus, the embodiments are to be considered in all respects as illustrative and not restrictive, the scope of the present application being indicated by the appended claims rather than by the above description, and therefore all changes which come within the meaning and range of equivalency of the claims are intended to be embraced therein. No reference signs in the claims should be considered as limiting the scope of the claims.

Claims

1. A ferrite core dedicated to high-precision magnetic induction sensors, comprising a lower core (1), characterized in that: The top end of the lower magnetic core (1) is provided with an upper magnetic core (9), the outside of the lower magnetic core (1) and the upper magnetic core (9) is provided with an outer shell (2), the outside of the lower magnetic core (1) and the upper magnetic core (9) is coated with a protective layer (13), the outside between the lower magnetic core (1) and the upper magnetic core (9) is provided with a coil (3), the outside of the coil (3) is wound with a wire body (4), both sides of the lower magnetic core (1) and the upper magnetic core (9) are provided with a fixed structure facilitating splicing of the lower magnetic core (1) and the upper magnetic core (9); The fixed structure comprises a protective shell (6), a bidirectional threaded rod (7) and a handle (10), the top end of the two sides of the lower magnetic core (1) and the bottom end of the two sides of the upper magnetic core (9) are fixedly connected with a fixed block (11), the inside of the fixed block (11) is provided with a limiting clamping groove (17), the two sides of the lower magnetic core (1) and the upper magnetic core (9) are provided with the protective shell (6), the inside of the protective shell (6) is movably connected with the bidirectional threaded rod (7), the top end of the bidirectional threaded rod (7) is fixedly connected with the handle (10), the upper and lower ends of the outside of the bidirectional threaded rod (7) are provided with a threaded sleeve (14), one side of the threaded sleeve (14) close to the middle is fixedly connected with a fixed rod, the fixed rod close to the middle bottom is fixedly connected with a clamping block (12), one side of the inside of the protective shell (6) is provided with a limiting sliding groove (15).

2. A ferrite core for high-precision magnetic induction sensors according to claim 1, characterized in that: The clamping block (12) is embedded in the inside of the limiting clamping groove (17), and the fixed rod slides up and down in the inside of the limiting sliding groove (15).

3. The ferrite core for high-precision magnetic induction sensor according to claim 1, characterized in that: The outside of the bidirectional threaded rod (7) is processed with external threads, the threads on the upper and lower ends of the outside of the bidirectional threaded rod (7) are opposite, and the threaded sleeve (14) and the bidirectional threaded rod (7) are matched with each other.

4. The ferrite core for high-precision magnetic induction sensor according to claim 1, characterized in that: The front end of the outer shell (2) is provided with a protective cover, the upper and lower ends of the left and right sides of the outer shell (2) and the protective cover are respectively fixedly connected with a mounting block (5), the inside of the mounting block (5) is provided with a mounting groove (8), the inside of the mounting groove (8) is provided with a mounting bolt (18), the rear end of the outside of the mounting bolt (18) is provided with a nut (20), and the nut (20) and the mounting block (5) are provided with a spring washer (19).

5. A high-precision magnetic induction sensor dedicated ferrite core according to claim 4, characterized in that: The mounting block (5) is mounted at the front end of the outer shell (2) through the mounting groove (8) and the mounting bolt (18), and the spring washer (19) is arranged at the rear end of the outside of the mounting bolt (18).

6. A high-precision magnetic induction sensor dedicated ferrite core according to claim 1, characterized in that: The top end of one side of the protective shell (6) close to the middle is fixedly connected with a supporting block (25), the top end of the supporting block (25) is fixedly connected with a connecting rod (24), the top end of the outside of the connecting rod (24) slides an movable plate (16), the movable plate (16) and the supporting block (25) are fixedly connected with a return spring (23), one side of the top end of the movable plate (16) is fixedly connected with a limiting rod (22), a reserved hole (21) is formed at the edge of the inside of the handle (10), and the top end of one side of the top end of the protective shell (6) close to the middle is movably hinged with a pressing plate (26).

7. A high-precision magnetic-induction sensor dedicated ferrite core according to claim 6, characterized in that: The reserved holes (21) are arranged in groups, and the reserved holes (21) are annularly distributed at the edge of the outside of the handle (10).

8. A high-precision magnetic induction sensor dedicated ferrite core according to claim 6, characterized in that: The limiting rod (22) is embedded in the inside of the reserved hole (21), the reset spring (23) is arranged outside the connecting rod (24), and the pressing plate (26) is arranged on one side of the top end of the movable plate (16).

Images