CN117912810A - Combined structure of coil framework and magnetic material - Google Patents

Abstract

The invention relates to the field of electronics, in particular to a combined structure of a coil framework and magnetic materials, which comprises a framework, wherein accommodating grooves are formed in two sides of the framework, four top lugs are symmetrically and slidably arranged on the inner side surfaces of the accommodating grooves, opposite surfaces of the four top lugs are arranged in an arc manner, angle grooves are formed in the middle parts of the opposite surfaces of the four top lugs, rotating pushing pieces are arranged on the inner walls of the accommodating grooves, the rotating pushing pieces are connected with the top lugs, adjusting pieces are arranged on the side surfaces of the top lugs, and pressing plates are arranged at the end parts of the adjusting pieces. The invention can flexibly adapt to the combination of the columnar magnetic core and the square magnetic core, meets the use requirement, is convenient to combine, ensures the firmness after combination, and can also adapt to the combination of magnetic cores with different lengths.

Description

A combined structure of coil frame and magnetic material

Technical Field

The invention relates to the field of electronics, and in particular to a combined structure of a coil frame and a magnetic material.

Background technique

During the use of the coil, in order to increase the inductance of the coil, a magnetic core is generally combined inside the coil frame to increase the inductance and improve the quality factor of the coil. However, in the process of combining the existing coil frame with the magnetic core, since the frame is cylindrical, most of them can only be combined with cylindrical magnetic cores, but are difficult to be combined with square magnetic cores. The combination is relatively limited and difficult to meet the requirements of use.

Summary of the invention

The purpose of the present invention is to solve the shortcomings of the background technology and to propose a combined structure of a coil skeleton and a magnetic material.

In order to achieve the above purpose, the technical solution adopted by the present invention is: a combination structure of a coil skeleton and a magnetic material, comprising a skeleton, both sides of the skeleton are provided with a receiving groove, the inner side surfaces of the receiving groove are symmetrically and slidably mounted with four top ears, the opposite surfaces of the four top ears are arranged in a circular arc, the middle parts of the opposite surfaces of the four top ears are provided with an angle groove, the inner wall of the receiving groove is provided with a push-turn piece, the push-turn piece is connected to the top ear, the side of the top ear is provided with an adjusting piece, and the end of the adjusting piece is provided with a pressing plate.

Preferably, four T-shaped orientation blocks are symmetrically fixedly mounted on the inner side surface of the accommodating groove, and opposite ends of the four top ears are provided with T-shaped grooves, and the T-shaped orientation blocks fit inside the T-shaped grooves.

Preferably, the push-to-turn member includes a connecting ring coaxially embedded in the inner wall of the accommodating groove, a rotating ring is coaxially mounted on the inner wall of the connecting ring, the rotating ring is connected to the top ear, a pressure ring seat is coaxially embedded on the side of the connecting ring, the inner diameter of the pressure ring seat is smaller than the inner diameter of the connecting ring, and the side of the pressure ring seat is fitted to the side of the rotating ring.

Preferably, two ears are symmetrically and elastically mounted on the side of the rotating ring, and two slots are symmetrically opened on the side of the pressure ring seat. The ears fit inside the slots, and the lower end of the top ear is connected to a push rod, one end of which is connected to the inner wall of the rotating ring.

Preferably, two bearing grooves are symmetrically provided on the side surface of the rotating ring, the ears are fitted inside the bearing grooves, a limiting column is fixedly mounted on the inner wall of the bearing groove, and the ears are fitted on the outer surface of the limiting column.

Preferably, a sliding hole is penetrated through the front end of the ear, the limiting column is fitted into the inside of the sliding hole, and a receiving hole is penetrated through the rear end of the ear, the sliding hole is communicated with the receiving hole, a spring body is wrapped around the outside of the limiting column, one end of the spring body is fixedly connected to the inner front end of the receiving hole, and the other end of the spring body is fixedly connected to the inner wall of the bearing groove.

Preferably, a No. 2 concave frame is fixedly installed on the lower end of the top ear, the other end of the push rod is located inside the No. 2 concave frame, a No. 2 connecting shaft is rotatably installed through the interior of the No. 2 concave frame, the other end of the push rod is embedded in the outer surface of the No. 2 connecting shaft, and a No. 1 concave frame is fixedly installed on the inner wall of the rotating ring, one end of the push rod is located inside the No. 1 concave frame, a No. 1 connecting shaft is rotatably installed through the interior of the No. 1 concave frame, and one end of the push rod is embedded in the outer surface of the No. 1 connecting shaft.

Preferably, the adjusting member includes an adjusting shell fixedly mounted on the side of the top ear, an adjusting frame is fittedly mounted inside the adjusting shell, the adjusting frame passes through the end of the adjusting shell, the end of the adjusting frame is fixed to the end of the pressing plate, a threaded sleeve is embedded through the front end edge of the adjusting shell, a threaded column is screwed through the inside of the threaded sleeve, one end of the threaded column is pressed against the adjusting frame, and a rotating ear is fixedly mounted on the other end of the threaded column.

Compared with the prior art, the present invention has the following beneficial effects:

1. By setting the opposing surfaces of the four top ears to be arc-shaped, the top ears can be fully fitted to the surface of the cylindrical magnetic core for tightening and fixing, so as to combine the skeleton and the cylindrical magnetic core together. At the same time, under the effect of the corner grooves provided in the middle of the opposing surfaces of the four top ears, the top ears can be fully fitted to the corners of the square magnetic core for tightening and fixing, so as to combine the skeleton and the square magnetic core together. In this way, the skeleton can be flexibly adapted to the combination of the cylindrical magnetic core and the square magnetic core, meeting the use requirements.

2. By rotating the rotating ring, the push rod can be driven to move, so that the four top ears are pushed inward at the same time to tighten the magnetic core. At this time, the ears are engaged into the grooves on the pressure ring seat under the push of the spring body to fix the rotating ring so that the rotating ring cannot rotate, that is, the four top ears are firmly pressed against the magnetic core to complete the assembly. The operation process is simple and effectively facilitates the assembly.

3. The pressure plate can be fitted to the two ends of the magnetic core so that the magnetic core will not slide left and right, thereby ensuring the firmness of the assembly. At the same time, by loosening the threaded column, the tightened adjustment frame can be loosened, so that the adjustment frame can slide in the adjustment shell to adjust the position of the pressure plate to adapt to the assembly of magnetic cores of different lengths.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic structural diagram of a combined structure of a coil skeleton and a magnetic material according to the present invention;

FIG2 is a schematic diagram of a top ear of a combined structure of a coil skeleton and a magnetic material according to the present invention;

FIG3 is a schematic diagram of a skeleton of a combined structure of a coil skeleton and a magnetic material according to the present invention;

FIG4 is an exploded view of the connection between the top ear and the T-shaped directional block of a combined structure of a coil skeleton and a magnetic material according to the present invention;

FIG5 is an enlarged view of A in FIG1 of a combined structure of a coil skeleton and a magnetic material according to the present invention;

FIG6 is a cross-sectional view of a combined structure of a coil skeleton and a magnetic material at a clamping ear of the present invention;

FIG7 is a combined view of a coil skeleton and a magnetic material combined structure and a cylindrical magnetic core according to the present invention;

FIG. 8 is a combined view of a coil frame and a magnetic material combined structure and a square magnetic core according to the present invention.

In the figure: 1, skeleton; 2, receiving groove; 3, pressure ring seat; 4, top ear; 5, T-shaped directional block; 6, bearing groove; 7, limiting column; 8, spring body; 9, ear; 10, slot; 11, rotating ring; 12, angle groove; 13, T-shaped slot; 14, connecting ring; 15, sliding hole; 16, receiving hole; 17, concave frame No. 1; 18, connecting shaft No. 1; 19, push rod; 20, concave frame No. 2; 21, connecting shaft No. 2; 22, threaded column; 23, rotating ear; 24, threaded sleeve; 25, adjusting frame; 26, pressure plate; 27, adjusting shell; 28, coil; 29, cylindrical core; 30, square core.

Detailed ways

The following description is used to disclose the present invention so that those skilled in the art can implement the present invention. The preferred embodiments described below are only examples, and those skilled in the art may think of other obvious variations.

A combination structure of a coil skeleton and a magnetic material as shown in FIGS. 1 to 8 comprises a skeleton 1, both sides of which are provided with receiving grooves 2, the skeleton 1 serves to wind the coil 28, the inner side surfaces of the receiving grooves 2 are symmetrically and slidably mounted with four top ears 4, the receiving grooves 2 serve to support the four top ears 4, the opposite surfaces of the four top ears 4 are arranged in arcs, which serve to adapt to the cylindrical magnetic core 29, the middle parts of the opposite surfaces of the four top ears 4 are provided with corner grooves 12, which serve to adapt to the square magnetic core 30, the inner wall of the receiving groove 2 is provided with a push-turn piece, the push-turn piece is connected to the top ears 4, the side surfaces of the top ears 4 are provided with adjusting pieces, the ends of the adjusting pieces are provided with pressing plates 26, the pressing plates 26 serve to fit the two ends of the magnetic core so that the magnetic core will not slide left and right.

Four T-shaped orientation blocks 5 are symmetrically fixedly installed on the inner side of the accommodating groove 2, and T-shaped grooves 13 are opened at the opposite ends of the four top ears 4. The T-shaped orientation blocks 5 play a role of linearly guiding the top ears 4. The T-shaped orientation blocks 5 fit into the inside of the T-shaped grooves 13, and the T-shaped grooves 13 play a role of cooperating with the T-shaped orientation blocks 5.

The push-pushing member includes a connecting ring 14 coaxially embedded in the inner wall of the accommodating groove 2, and a rotating ring 11 is coaxially fitted on the inner wall of the connecting ring 14. The connecting ring 14 plays a connecting role. The rotating ring 11 is connected to the top ear 4, and the rotating ring 11 plays a role in driving the top ear 4 to move. The side of the connecting ring 14 is coaxially embedded with a pressure ring seat 3. The inner diameter of the pressure ring seat 3 is smaller than the inner diameter of the connecting ring 14. The side of the pressure ring seat 3 is fitted with the side of the rotating ring 11. The pressure ring seat 3 plays a role in preventing the rotating ring 11 from escaping from the connecting ring 14.

Two ears 9 are symmetrically and elastically installed on the side of the rotating ring 11, and two grooves 10 are symmetrically provided on the side of the pressure ring seat 3. The cooperation between the ears 9 and the grooves 10 prevents the rotating ring 11 from rotating. The ears 9 fit inside the grooves 10. The lower end of the top ear 4 is connected to a push rod 19. The push rod 19 is driven by the rotating ring 11 to push the top ear 4. One end of the push rod 19 is connected to the inner wall of the rotating ring 11.

Two bearing grooves 6 are symmetrically provided on the side of the rotating ring 11, and the ear 9 is fitted into the inside of the bearing groove 6, and the bearing groove 6 plays the role of bearing the ear 9. A limiting column 7 is fixedly installed on the inner wall of the bearing groove 6, and the ear 9 is fitted into the outer surface of the limiting column 7, and the limiting column 7 plays the role of limiting the ear 9, so that the ear 9 will not escape from the inside of the bearing groove 6.

A sliding hole 15 is provided at the front end of the ear 9, and the limiting column 7 is fitted into the inside of the sliding hole 15. The sliding hole 15 allows the ear 9 to slide on the surface of the limiting column 7. A receiving hole 16 is provided at the rear end of the ear 9. The sliding hole 15 is communicated with the receiving hole 16. The receiving hole 16 serves to accommodate the spring body 8. A spring body 8 is wrapped around the outside of the limiting column 7. One end of the spring body 8 is fixedly connected to the inner front end of the receiving hole 16, and the other end of the spring body 8 is fixedly connected to the inner wall of the bearing groove 6. The spring body 8 pushes the ear 9 so that the ear 9 and the slot 10 can be engaged with each other.

A No. 2 concave frame 20 is fixedly installed at the lower end of the top ear 4, and the other end of the push rod 19 is located inside the No. 2 concave frame 20, and the No. 2 concave frame 20 plays a role in bearing the No. 2 connecting shaft 21, and the No. 2 connecting shaft 21 is rotatably installed inside the No. 2 concave frame 20, and the No. 2 connecting shaft 21 plays a role in connecting the push rod 19, and the other end of the push rod 19 is embedded in the outer surface of the No. 2 connecting shaft 21, and a No. 1 concave frame 17 is fixedly installed on the inner wall of the rotating ring 11, and one end of the push rod 19 is located inside the No. 1 concave frame 17, and the No. 1 concave frame 17 plays a role in bearing the No. 1 connecting shaft 18, and the No. 1 connecting shaft 18 is rotatably installed inside the No. 1 concave frame 17, and one end of the push rod 19 is embedded in the outer surface of the No. 1 connecting shaft 18, and the No. 1 connecting shaft 18 plays a role in connecting the push rod 19.

The adjusting member includes an adjusting shell 27 fixedly mounted on the side of the top ear 4, an adjusting frame 25 is fittedly mounted inside the adjusting shell 27, the adjusting shell 27 and the adjusting frame 25 play the role of adjusting the position of the pressing plate 26, the adjusting frame 25 passes through the end of the adjusting shell 27, the end of the adjusting frame 25 is fixed to the end of the pressing plate 26, a threaded sleeve 24 is embedded through the front end edge of the adjusting shell 27, the threaded sleeve 24 plays the role of cooperating with the threaded column 22, a threaded column 22 is screwed through the inside of the threaded sleeve 24, one end of the threaded column 22 is pressed against the adjusting frame 25, the threaded column 22 plays the role of fixing the adjusting frame 25, the other end of the threaded column 22 is fixedly mounted with a rotating ear 23, the rotating ear 23 plays the role of facilitating the rotation of the threaded column 22.

When assembling, the magnetic core is inserted into the interior of the skeleton 1 and the rotating ring 11 is rotated to drive the push rod 19 to move, so as to push the four top ears 4 inward at the same time to tighten the magnetic core. At this time, the ear 9 is engaged into the groove 10 on the pressure ring seat 3 under the push of the spring body 8 to fix the rotating ring 11, so that the rotating ring 11 cannot rotate, that is, the four top ears 4 are firmly pressed against the magnetic core. If the magnetic core inserted is a cylindrical magnetic core 29, under the action of the opposite surfaces of the four top ears 4 being set to an arc shape, the top ears 4 can be fully fitted to the surface of the cylindrical magnetic core 29 for tightening and fixing, so as to combine the skeleton 1 and the cylindrical magnetic core 29 together. When the inserted magnetic core is a square magnetic core 30, the corner grooves 12 are provided in the middle of the opposite surfaces of the four top ears 4, so that the top ears 4 can be fully fitted to the corners of the square magnetic core 30 for tightening and fixing by using the corner grooves 12, so as to combine the skeleton 1 and the square magnetic core 30 together. After the combination, the threaded column 22 can be rotated according to the length of the magnetic core to loosen the tightened adjustment frame 25, so that the adjustment frame 25 can slide in the adjustment shell 27, so as to adjust the position of the pressure plate 26, so that the pressure plate 26 can adapt to the length of the magnetic core, so as to fit the two ends of the magnetic core for restriction, so that the magnetic core will not slide left and right, so as to ensure the firmness after the combination.

The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions only describe the principles of the present invention. The present invention may be subject to various changes and improvements without departing from the spirit and scope of the present invention. These changes and improvements fall within the scope of the present invention to be protected. The scope of protection claimed by the present invention is defined by the attached claims and their equivalents.

Claims (8)

1. A combined structure of a coil frame and a magnetic material, comprising a frame (1), characterized in that: a receiving groove (2) is provided on both sides of the frame (1), four top ears (4) are symmetrically and slidably mounted on the inner side surface of the receiving groove (2), the opposing surfaces of the four top ears (4) are arranged in a circular arc, and the middle parts of the opposing surfaces of the four top ears (4) are provided with an angle groove (12), a push-turn piece is installed on the inner wall of the receiving groove (2), the push-turn piece is connected to the top ear (4), an adjusting piece is provided on the side surface of the top ear (4), and a pressing plate (26) is installed on the end of the adjusting piece. 2. A combined structure of a coil skeleton and a magnetic material according to claim 1, characterized in that: four T-shaped orientation blocks (5) are symmetrically fixedly installed on the inner side of the accommodating groove (2), and T-shaped grooves (13) are opened at the opposite ends of the four top ears (4), and the T-shaped orientation blocks (5) are fitted inside the T-shaped grooves (13). 3. A combined structure of a coil skeleton and a magnetic material according to claim 1, characterized in that: the push-pull member comprises a connecting ring (14) coaxially embedded in the inner wall of the accommodating groove (2), the inner wall of the connecting ring (14) is coaxially fitted with a rotating ring (11), the rotating ring (11) is connected to the top ear (4), the side of the connecting ring (14) is coaxially embedded with a pressure ring seat (3), the inner diameter of the pressure ring seat (3) is smaller than the inner diameter of the connecting ring (14), and the side of the pressure ring seat (3) is fitted with the side of the rotating ring (11). 4. A combined structure of a coil skeleton and a magnetic material according to claim 3, characterized in that: two ears (9) are symmetrically and elastically installed on the side of the rotating ring (11), and two grooves (10) are symmetrically opened on the side of the pressure ring seat (3), and the ears (9) fit into the inside of the grooves (10), and the lower end of the top ear (4) is connected to a push rod (19), and one end of the push rod (19) is connected to the inner wall of the rotating ring (11). 5. A combined structure of a coil skeleton and a magnetic material according to claim 4, characterized in that: two bearing grooves (6) are symmetrically opened on the side of the rotating ring (11), the ear (9) is fitted inside the bearing groove (6), and a limiting column (7) is fixedly installed on the inner wall of the bearing groove (6), and the ear (9) is fitted on the outer surface of the limiting column (7). 6. A combination structure of a coil skeleton and a magnetic material according to claim 5, characterized in that: a sliding hole (15) is penetrated through the front end of the ear (9), the limiting column (7) is fitted into the inside of the sliding hole (15), and a receiving hole (16) is penetrated through the rear end of the ear (9), the sliding hole (15) is connected to the receiving hole (16), a spring body (8) is wound around the outside of the limiting column (7), one end of the spring body (8) is fixedly connected to the internal front end of the receiving hole (16), and the other end of the spring body (8) is fixedly connected to the inner wall of the bearing groove (6). 7. A combined structure of a coil skeleton and a magnetic material according to claim 4, characterized in that: a No. 2 concave frame (20) is fixedly installed at the lower end of the top ear (4), the other end of the push rod (19) is located inside the No. 2 concave frame (20), a No. 2 connecting shaft (21) is rotatably installed inside the No. 2 concave frame (20), the other end of the push rod (19) is embedded in the outer surface of the No. 2 connecting shaft (21), a No. 1 concave frame (17) is fixedly installed on the inner wall of the rotating ring (11), one end of the push rod (19) is located inside the No. 1 concave frame (17), a No. 1 connecting shaft (18) is rotatably installed inside the No. 1 concave frame (17), and one end of the push rod (19) is embedded in the outer surface of the No. 1 connecting shaft (18). 8. A combined structure of a coil skeleton and a magnetic material according to claim 1, characterized in that: the adjusting member comprises an adjusting shell (27) fixedly mounted on the side of the top ear (4), an adjusting frame (25) is fittedly mounted inside the adjusting shell (27), the adjusting frame (25) extends from the end of the adjusting shell (27), the end of the adjusting frame (25) is fixed to the end of the pressing plate (26), a threaded sleeve (24) is penetrated and embedded at the front edge of the adjusting shell (27), a threaded column (22) is penetrated and screwed inside the threaded sleeve (24), one end of the threaded column (22) is pressed against the adjusting frame (25), and a rotating ear (23) is fixedly mounted on the other end of the threaded column (22).