Soft magnet core capable of resisting external interference

Abstract

The utility model provides a soft magnet magnetic core resisting external interference, which relates to the technical field of soft magnet magnetic cores and comprises a magnetic core body, a connecting wire is arranged on one side of the magnetic core body, a protective device is arranged on one side of the magnetic core body and comprises a first protective cover and a second protective cover, and the first protective cover is connected with the second protective cover. One side of the first protective cover and one side of the second protective cover are each provided with a limiting device, and the first protective cover and the second protective cover are both arranged on the surface of the magnetic core body in a sleeving mode. And meanwhile, the first protective cover and the second protective cover can protect the magnetic core body and intercept external interference electromagnetic waves, the situation that personnel assemble the first protective cover and the second protective cover is tedious and wastes time is reduced, and the efficiency of personnel assemble the first protective cover and the second protective cover and the convenience of later maintenance are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of soft magnetic cores, in particular to a soft magnetic core resistant to external interference. Background Art

[0002] A shielding cover is a tool used to shield electronic signals. Its function is to shield the influence of external electromagnetic waves on the internal electronic components and the outward radiation of electromagnetic waves generated internally. Shielding covers are usually made of stainless steel and nickel silver. By placing electronic components in a shielding cover made of stainless steel and nickel silver, the influence of external electric fields, magnetic fields or electromagnetic fields on electronic components can be prevented.

[0003] The utility model patent with the authorization announcement number CN215872569U discloses a soft magnetic core for an electromagnetic shielding cover, which includes a magnetic core body, which includes a pair of magnetic shells, and the top and bottom ends of the magnetic core body are both sleeved with end sleeves, and the outer side of the magnetic core body is sleeved with an outer shielding structure, which includes two sleeves, and the sleeves are embedded with filling magnetic rings, and the inner wall of the filling magnetic ring is in contact with the outer surface of the end sleeves. The soft magnetic core for the electromagnetic shielding cover wraps the electronic components that need to be electromagnetically shielded through the set magnetic core body and wraps them again on the outer side of the magnetic core body with the outer shielding structure, so that the electronic components are isolated from external electromagnetic waves under the multi-layer electromagnetic shielding structure, thereby increasing the electromagnetic shielding effect.

[0004] Although the shielding cover in the device can effectively prevent the magnetic field from affecting electronic components, in actual use, since the cover in the device needs to be connected and fixed by multiple bolts and nuts during installation, it may cause inconvenience to personnel when installing the cover, affecting installation efficiency. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes a soft magnetic core that is resistant to external interference.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a soft magnetic core resistant to external interference, including a magnetic core body, a connecting line is arranged on one side of the magnetic core body, a protective device is arranged on one side of the magnetic core body, the protective device includes a first protective cover and a second protective cover, a limiting device is arranged on one side of the first protective cover and the second protective cover, the first protective cover and the second protective cover are both sleeved on the surface of the magnetic core body, the inner wall of the first protective cover is fixedly connected with a rectangular frame, the inner wall of the rectangular frame is provided with a rectangular groove, and a circular shaped hole, the inner wall of the circular hole is connected to the inner wall of the rectangular groove, the inner wall of the circular hole is slidably connected with a round rod, one end of the round rod is fixedly connected with a clamping block, the clamping block is arranged inside the rectangular groove, one side of the clamping block is fixedly connected with a spring, the spring is sleeved on the surface of the round rod, the other end of the spring is fixedly connected to the inner wall of the rectangular groove, the inner wall of the second protective cover is fixedly connected with an L-shaped rod, the surface of the L-shaped rod is slidably connected with the inner wall of the rectangular frame, a clamping groove is opened on one side of the L-shaped rod, and the surface size and shape of the clamping block are adapted to the size and shape of the inner wall of the clamping groove.

[0007] The effects achieved by the above components are as follows: by setting the protective device, first the first protective cover is manually moved, and when the first protective cover moves to a position where it is sleeved on the surface of the magnetic core body, the second protective cover is manually moved, so that the second protective cover drives the L-shaped rod to move, and when the second protective cover moves to a position where it is sleeved on the surface of the magnetic core body and fits with the first protective cover, the L-shaped rod is inserted into the rectangular frame, so that the L-shaped rod squeezes the card block, so that the card block moves toward the inside of the rectangular groove and squeezes the spring, and when the L-shaped rod moves to a position where it is completely inserted into the interior of the rectangular frame, under the reaction force of the spring, the spring drives the card block to move away from the inside of the rectangular groove, and when the card block moves to a position where it is inserted into the interior of the card slot, the L-shaped rod is limited, and the first protective cover and the second protective cover are quickly assembled, so that the first protective cover and the second protective cover protect the magnetic core body and intercept external electromagnetic waves, reducing the cumbersome and time-wasting situation of personnel assembling the first protective cover and the second protective cover, and improving the efficiency of personnel assembling the first protective cover and the second protective cover and the convenience of later maintenance.

[0008] Preferably, one end of the round rod away from the clamping block is fixedly connected to an auxiliary plate, and the surface of the auxiliary plate is rectangular.

[0009] The effect achieved by the above components is: by setting the auxiliary plate, the auxiliary plate can increase the contact area of ​​the round rod, so that personnel can drive the round rod to move conveniently by manually moving the auxiliary plate, thereby improving the convenience of manually moving the round rod.

[0010] Preferably, the first protective cover and the second protective cover are both fixedly connected to adjacent sides thereof with sealing strips, and the surface of the sealing strips is in the shape of an elongated strip.

[0011] The effect achieved by the above components is: by setting the sealing strip, the sealing strip can seal the fitting position of the first protective cover and the second protective cover, thereby improving the sealing between the first protective cover and the second protective cover.

[0012] Preferably, inner walls of the first protective cover and the second protective cover are both fixedly connected with support plates, and surfaces of the two support plates are in contact with the surface of the magnetic core body.

[0013] The effect achieved by the above components is: by setting the support plate, the support plate can provide auxiliary support for the magnetic core body, thereby reducing the left and right shaking of the magnetic core body when used inside the first protective cover and the second protective cover.

[0014] Preferably, the limiting device includes two semicircular covers, which are respectively fixedly connected to one side of the first protective cover and the second protective cover, and are sleeved on the surface of the connecting line. One side of the two semicircular covers is provided with a threaded hole, and the inner walls of the two threaded holes are threadedly connected with screws, and one end of the two screws is rotatably connected with a pressure plate.

[0015] The effect achieved by the above-mentioned components is: by setting the limit device, first, after the first protective cover and the second protective cover are closed, the connecting wire is located inside the two semicircular covers, and at this time, the two screws are manually rotated to make the two screws move toward each other along the two threaded holes, so that the two screws drive the two pressure plates to move toward each other, and when the two pressure plates move toward each other to the position where they squeeze the surface of the connecting wire at the same time, the two pressure plates clamp and fix the connecting wire, thereby reducing the left and right shaking of the connecting wire during use, causing the connecting wire to separate from the magnetic core body, and improving the stability of the connecting wire during use.

[0016] Preferably, adjacent sides of the two pressing plates are fixedly connected with rubber pads, and the surfaces of the rubber pads are arc-shaped.

[0017] The effect achieved by the above components is: by arranging the rubber pad, the rubber pad can fill the gap between the pressure plate and the connecting wire, thereby improving the stability of the pressure plate squeezing the connecting wire and reducing the damage caused by the pressure plate to the surface of the connecting wire.

[0018] Preferably, one end of the two screw rods away from the pressure plate is fixedly connected to a screw block, and a plurality of grooves are formed on the surfaces of the two screw blocks.

[0019] The effect achieved by the above components is: by setting the screw block, the screw block can increase the contact area of ​​the screw rod, so that personnel can easily rotate the screw rod by manually turning the screw block, thereby improving the convenience and stability of manual rotation of the screw rod.

[0020] Preferably, one side of the two semicircular covers is fixedly connected with a reinforcement block, and the two reinforcement blocks are fixedly connected to the first protective cover and the second protective cover respectively.

[0021] The effect achieved by the above components is: by setting the reinforcement block, the reinforcement block can strengthen the connection between the semicircular cover and the first protective cover and the second protective cover, thereby reducing the separation of the two during use.

[0022] Compared with the prior art, the advantages and positive effects of the utility model are:

[0023] In the utility model, the first protective cover and the second protective cover can be quickly assembled on the surface of the magnetic core body by arranging the protective device. At the same time, the first protective cover and the second protective cover can protect the magnetic core body and intercept external interference electromagnetic waves, thereby reducing the tedious and time-wasting situation of personnel assembling the first protective cover and the second protective cover, and improving the efficiency of personnel assembling the first protective cover and the second protective cover and the convenience of subsequent maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0025] Figure 2 For this utility model Figure 1 Split diagram of ;

[0026] Figure 3 It is a partial structural schematic diagram of the first protective cover of the utility model;

[0027] Figure 4 It is a partial structural schematic diagram of the card block of the utility model;

[0028] Figure 5 It is a schematic diagram of the partial structure of the second protective cover of the utility model.

[0029] Legend: 1. Magnetic core body; 2. Connecting wire; 3. Protective device; 31. First protective cover; 32. Circular hole; 33. Rectangular frame; 34. Rectangular groove; 35. Sealing strip; 36. Round rod; 37. Block; 38. Spring; 39. Auxiliary plate; 310. Second protective cover; 311. L-shaped rod; 312. Slot; 313. Support plate; 4. Limiting device; 41. Semicircular cover; 42. Threaded hole; 43. Screw; 44. Press plate; 45. Twist block; 46. Reinforcement block; 47. Rubber pad. DETAILED DESCRIPTION

[0030] Reference Figure 1-5As shown, the present embodiment discloses a soft magnetic core resistant to external interference, including a magnetic core body 1, a connecting line 2 is arranged on one side of the magnetic core body 1, a protective device 3 is arranged on one side of the magnetic core body 1, the protective device 3 includes a first protective cover 31 and a second protective cover 310, a limiting device 4 is arranged on one side of the first protective cover 31 and the second protective cover 310, the first protective cover 31 and the second protective cover 310 are both sleeved on the surface of the magnetic core body 1, a rectangular frame 33 is fixedly connected to the inner wall of the first protective cover 31, a rectangular groove 34 is opened on the inner wall of the rectangular frame 33, a circular hole 32 is opened on one side of the first protective cover 31, and the circular hole 32 is The inner wall is connected to the inner wall of the rectangular groove 34, and the inner wall of the circular hole 32 is slidably connected with a round rod 36, one end of the round rod 36 is fixedly connected with a block 37, and the block 37 is arranged inside the rectangular groove 34. One side of the block 37 is fixedly connected with a spring 38, and the spring 38 is sleeved on the surface of the round rod 36. The other end of the spring 38 is fixedly connected to the inner wall of the rectangular groove 34. The inner wall of the second protective cover 310 is fixedly connected with an L-shaped rod 311, and the surface of the L-shaped rod 311 is slidably connected to the inner wall of the rectangular frame 33. A slot 312 is provided on one side of the L-shaped rod 311. The size and shape of the surface of the block 37 are consistent with the size and shape of the inner wall of the slot 312. The protective device 3 is adapted to the shape, and the first protective cover 31 is manually moved first. When the first protective cover 31 moves to a position where it is sleeved on the surface of the magnetic core body 1, the second protective cover 310 is manually moved, so that the second protective cover 310 drives the L-shaped rod 311 to move. When the second protective cover 310 moves to a position where it is sleeved on the surface of the magnetic core body 1 and fits the first protective cover 31, the L-shaped rod 311 is inserted into the rectangular frame 33, so that the L-shaped rod 311 squeezes the block 37, so that the block 37 moves into the rectangular groove 34 and squeezes the spring 38. When the L-shaped rod 311 moves to a position where it is completely inserted into the rectangular frame 33, the spring 38 is pressed. Under the reaction force of the spring 38, the spring 38 drives the block 37 to move away from the inside of the rectangular groove 34. When the block 37 moves to the position inside the slot 312, the L-shaped rod 311 is limited, completing the rapid assembly of the first protective cover 31 and the second protective cover 310, so that the first protective cover 31 and the second protective cover 310 can protect the magnetic core body 1 and intercept external electromagnetic waves, reducing the tedious and time-consuming assembly of the first protective cover 31 and the second protective cover 310, and improving the efficiency of the assembly of the first protective cover 31 and the second protective cover 310 and the convenience of subsequent maintenance.

[0031] Reference Figure 3 , Figure 4 and Figure 5As shown, this embodiment discloses that one end of the round rod 36 away from the block 37 is fixedly connected with an auxiliary plate 39, and the surface of the auxiliary plate 39 is rectangular. By setting the auxiliary plate 39, the auxiliary plate 39 can increase the contact area of ​​the round rod 36, so that personnel can easily move the round rod 36 by manually moving the auxiliary plate 39, thereby improving the convenience of manually moving the round rod 36. The first protective cover 31 and the second protective cover 310 are both fixedly connected to the adjacent side with a sealing strip 35, and the surface of the sealing strip 35 is long strip. By setting the sealing strip 35, the sealing strip 35 can seal the fitting position of the first protective cover 31 and the second protective cover 310, thereby improving the sealing between the first protective cover 31 and the second protective cover 310.

[0032] Reference Figure 3 and Figure 5 As shown, this embodiment discloses that the inner walls of the first protective cover 31 and the second protective cover 310 are fixedly connected with a support plate 313, and the surfaces of the two support plates 313 are both in contact with the surface of the magnetic core body 1. By providing the support plates 313, the support plates 313 can provide auxiliary support for the magnetic core body 1, thereby reducing the left and right shaking of the magnetic core body 1 when used inside the first protective cover 31 and the second protective cover 310.

[0033] Reference Figure 3 and Figure 5 As shown, the present embodiment discloses that the limiting device 4 includes two semicircular covers 41, and the two semicircular covers 41 are fixedly connected to one side of the first protective cover 31 and the second protective cover 310 respectively. The two semicircular covers 41 are sleeved on the surface of the connecting line 2, and one side of the two semicircular covers 41 is provided with a threaded hole 42, and the inner walls of the two threaded holes 42 are threadedly connected with a screw rod 43, and one end of the two screw rods 43 is rotatably connected with a pressing plate 44. By setting the limiting device 4, first, after the first protective cover 31 and the second protective cover 310 are closed, The connecting wire 2 is located inside the two semicircular covers 41. At this time, the two screws 43 are manually rotated to move toward each other along the two threaded holes 42, so that the two screws 43 drive the two pressure plates 44 to move toward each other. When the two pressure plates 44 move toward each other to simultaneously squeeze the surface of the connecting wire 2, the two pressure plates 44 clamp and fix the connecting wire 2, thereby reducing the left and right shaking of the connecting wire 2 during use, causing the connecting wire 2 to separate from the magnetic core body 1, and improving the stability of the connecting wire 2 in use.

[0034] Reference Figure 3 and Figure 5As shown, this embodiment discloses that the two pressing plates 44 are fixedly connected to the adjacent sides with rubber pads 47, and the surface of the rubber pads 47 is arc-shaped. By setting the rubber pads 47, the rubber pads 47 can fill the gap between the pressing plates 44 and the connecting wires 2, thereby improving the stability of the pressing plates 44 in squeezing the connecting wires 2, and at the same time reducing the damage caused by the pressing plates 44 to the surface of the connecting wires 2. The ends of the two screws 43 away from the pressing plates 44 are fixedly connected to the screw blocks 45, and the surfaces of the two screw blocks 45 are provided with a plurality of grooves. By setting the screw blocks 45, the screw blocks 45 can be tightened. The block 45 can increase the contact area of ​​the screw 43, so that the personnel can drive the screw 43 to rotate conveniently by manually turning the screw block 45, thereby improving the convenience and stability of manually turning the screw 43. A reinforcement block 46 is fixedly connected to one side of the two semicircular covers 41, and the two reinforcement blocks 46 are respectively fixedly connected to the first protective cover 31 and the second protective cover 310. By setting the reinforcement block 46, the reinforcement block 46 can strengthen the connection between the semicircular cover 41 and the first protective cover 31 and the second protective cover 310, thereby reducing the separation of the two during use.

[0035] Working principle: First, manually move the first protective cover 31. When the first protective cover 31 moves to a position where it is sleeved on the surface of the magnetic core body 1, manually move the second protective cover 310, so that the second protective cover 310 drives the L-shaped rod 311 to move. When the second protective cover 310 moves to a position where it is sleeved on the surface of the magnetic core body 1 and fits with the first protective cover 31, the L-shaped rod 311 is inserted into the rectangular frame 33, so that the L-shaped rod 311 squeezes the block 37, so that the block 37 moves into the rectangular groove 34 and squeezes the spring 38. When the L-shaped rod 311 moves to a position where it is completely inserted into the rectangular frame 33, under the reaction force of the spring 38, the spring 311 is pressed against the spring 38. 8 drives the clamping block 37 to move away from the inside of the rectangular groove 34. When the clamping block 37 moves to the position inserted into the inner part of the clamping groove 312, the L-shaped rod 311 is limited to complete the quick assembly of the first protective cover 31 and the second protective cover 310. At this time, the two screw blocks 45 are manually rotated so that the two screw blocks 45 drive the two screw rods 43 to rotate, so that the two screw rods 43 move toward each other along the inside of the two threaded holes 42, so that the two screw rods 43 drive the two pressure plates 44 to move toward each other. When the two pressure plates 44 move toward each other to the position where they squeeze the surface of the connecting line 2 at the same time, the two pressure plates 44 clamp and fix the connecting line 2 to complete the position fixation of the connecting line 2.

[0036] The above is only a preferred embodiment of the utility model, and does not limit the utility model in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the utility model without departing from the technical solution of the utility model still belongs to the protection scope of the technical solution of the utility model. In the description of the utility model, it should be noted that unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in the utility model can be understood by specific circumstances.

Claims

1. A soft magnetic core resistant to external interference, comprising a core body (1), characterized in that: A connecting line (2) is arranged on one side of the magnetic core body (1); a protective device (3) is arranged on one side of the magnetic core body (1); the protective device (3) comprises a first protective cover (31) and a second protective cover (310); a limiting device (4) is arranged on one side of the first protective cover (31) and the second protective cover (310); the first protective cover (31) and the second protective cover (310) are both sleeved on the surface of the magnetic core body (1); a rectangular frame (33) is fixedly connected to the inner wall of the first protective cover (31); a rectangular groove (34) is provided on the inner wall of the rectangular frame (33); a circular hole (32) is arranged on one side of the first protective cover (31); the inner wall of the circular hole (32) is connected to the inner wall of the rectangular groove (34); ...). A round rod (36) is slidably connected to the inner wall of the rectangular hole (32), one end of the round rod (36) is fixedly connected to a clamping block (37), the clamping block (37) is arranged inside the rectangular groove (34), one side of the clamping block (37) is fixedly connected to a spring (38), the spring (38) is sleeved on the surface of the round rod (36), the other end of the spring (38) is fixedly connected to the inner wall of the rectangular groove (34), the inner wall of the second protective cover (310) is fixedly connected to an L-shaped rod (311), the surface of the L-shaped rod (311) is slidably connected to the inner wall of the rectangular frame (33), one side of the L-shaped rod (311) is provided with a clamping groove (312), the surface size and shape of the clamping block (37) are adapted to the size and shape of the inner wall of the clamping groove (312).

2. The soft magnetic core resistant to external interference according to claim 1, characterized in that: One end of the round rod (36) away from the clamping block (37) is fixedly connected to an auxiliary plate (39), and the surface of the auxiliary plate (39) is rectangular.

3. The soft magnetic core resistant to external interference according to claim 1, characterized in that: A sealing strip (35) is fixedly connected to the adjacent sides of the first protective cover (31) and the second protective cover (310), and the surface of the sealing strip (35) is in the shape of an elongated strip.

4. The soft magnetic core resistant to external interference according to claim 1, characterized in that: The inner walls of the first protective cover (31) and the second protective cover (310) are both fixedly connected with a support plate (313), and the surfaces of the two support plates (313) are both in contact with the surface of the magnetic core body (1).

5. The soft magnetic core resistant to external interference according to claim 1, characterized in that: The limiting device (4) comprises two semicircular covers (41), the two semicircular covers (41) are respectively fixedly connected to one side of the first protective cover (31) and the second protective cover (310), the two semicircular covers (41) are sleeved on the surface of the connecting line (2), one side of the two semicircular covers (41) is provided with a threaded hole (42), the inner walls of the two threaded holes (42) are threadedly connected with screw rods (43), and one end of the two screw rods (43) is rotatably connected with a pressure plate (44).

6. The soft magnetic core resistant to external interference according to claim 5, characterized in that: The adjacent sides of the two pressing plates (44) are both fixedly connected with a rubber pad (47), and the surface of the rubber pad (47) is arc-shaped.

7. The soft magnetic core resistant to external interference according to claim 5, characterized in that: One end of the two screw rods (43) away from the pressing plate (44) is fixedly connected to a screw block (45), and a plurality of grooves are formed on the surface of the two screw blocks (45).

8. The soft magnetic core resistant to external interference according to claim 5, characterized in that: One side of the two semicircular covers (41) is fixedly connected with a reinforcement block (46), and the two reinforcement blocks (46) are respectively fixedly connected to the first protective cover (31) and the second protective cover (310).

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