CN211265234U - Combined magnetic core - Google Patents

Abstract

The utility model discloses a combined magnetic core, which comprises a first split magnetic core, a second split magnetic core, a bolt structural part, a C-shaped groove, an L-shaped groove and an I-shaped groove; the C-shaped groove is positioned on the outer side of the two end columns of the first split magnetic core, the I-shaped groove is positioned on the outer side of the end parts of the two end columns of the first split magnetic core, and the C-shaped groove is communicated with the I-shaped groove; the L-shaped groove is positioned outside the two end columns of the second split magnetic core; the two ends of the plug pin structural part are bent, and the first split magnetic core and the second split magnetic core are inserted into the plug pin structural part in an inserting mode. The utility model relates to a combination magnetic core, this magnetic core can make two components of a whole that can function independently magnetic cores firm combinations through the bolt structure, is difficult for droing.

Description

Combined magnetic core

Technical Field

The utility model relates to a combination magnetic core.

Background

Ferrite cores generally refer to sintered magnetic metal oxides composed of various iron oxide mixtures, which can be used in coils and transformers for various electronic devices. Therefore, the ferrite core needs to be wound during use, and the winding operation, especially one of the ET cores, is complicated during the winding operation, which affects the winding efficiency of the ferrite core.

Chinese patent: split type ferrite core CN209591748U discloses a split type ferrite, utilizes the concatenation that two ferrite cores were realized to fixed fixture block, and the defect is that two split type ferrite cores can not be guaranteed to stabilize the connection by the design of fixed fixture block. The fixed clamping block is easy to fall off, so that the two split ferrites are separated.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a combination magnetic core, this magnetic core can make the firm combination of two components of a whole that can function independently magnetic cores through the bolt structure, is difficult for droing.

In order to achieve the above object, the technical solution of the present invention is to design a combined magnetic core, which comprises a first split magnetic core, a second split magnetic core, a pin structural member, a C-shaped groove, an L-shaped groove, and an I-shaped groove; the first split magnetic core and the second split magnetic core are E-shaped, the first split magnetic core and the second split magnetic core are arranged in a mirror image mode, and end columns and middle columns at two ends of the first split magnetic core and the second split magnetic core are sequentially spliced with each other; the side walls of the outward sides of the end posts at the two ends of the first split magnetic core are respectively provided with a C-shaped groove, and the C-shaped grooves comprise transverse grooves parallel to the first split magnetic core and longitudinal grooves which are positioned at the two ends of the transverse grooves and are perpendicular to the transverse grooves; the end part of the end post at the two ends of the first split magnetic core is provided with an I-shaped groove at the edge of the outward side respectively, the I-shaped groove is vertical to the first split magnetic core, and the transverse groove of the C-shaped groove on the same end post is communicated with the lower part of the I-shaped groove in the end post; the end columns at the two ends of the second split magnetic core are provided with L-shaped grooves towards the outer side, one end of each L-shaped groove is perpendicular to the second split magnetic core and is far away from the end part of the end column of the second split magnetic core, and the other end of each L-shaped groove is parallel to the second split magnetic core and penetrates out of the end part of the end column of the second split magnetic core; when the first split magnetic core and the second split magnetic core are spliced, the L-shaped groove is communicated with the I-shaped groove and the C-shaped groove; the middle of the bolt structural part is in a straight strip shape, and two ends of the bolt structural part are vertically bent; the two bolt structural parts are respectively embedded into the transverse grooves of the C-shaped grooves of the end posts at the two ends of the first split magnetic core and the communication positions of the transverse grooves of the C-shaped grooves and the I-shaped grooves; when first components of a whole that can function independently magnetic core and second components of a whole that can function independently magnetic core splice, the bolt structure can make a round trip to slide in the cross slot in C groove, the intercommunication department and the L shape groove in C groove cross slot and the I shape groove, the front end of bolt structure is buckled and can upwards overturn with the rear end is buckled, make the front end of bolt structure buckle with the rear end buckle imbed the vertical groove and the I shape groove of C groove front end simultaneously or make the front end of bolt structure buckle with the rear end buckle imbed the vertical groove and the L shape groove perpendicular to one end of second components of a whole that can function independently magnetic core of C groove rear end simultaneously.

Furthermore, the diameter of the front end bending of the bolt structural member is smaller than that of the middle straight strip of the bolt structural member, and the diameter of the middle straight strip of the bolt structural member is larger than that of the rear end bending of the bolt structural member; the diameter of the transverse groove of the C-shaped groove is equal to the diameter of the middle straight strip of the bolt structural member; the diameter of the longitudinal groove of the C-shaped groove is equal to the diameter of the front end bending of the bolt structural member; the diameter of the I-shaped groove is the same as the diameter of one end, perpendicular to the second split magnetic core, of the L-shaped groove and the diameter of the rear end of the plug pin structural member in bending.

Furthermore, the bolt structural member has a three-layer structure from outside to inside, and the bolt structural member comprises an outermost graphene layer, a middle metal layer and an innermost magnetic core layer; the graphene layer is a graphene coating with a smooth surface; the metal layer is made of hard metal; the magnetic core layer is made of the same material as the first split magnetic core and the second split magnetic core.

The graphene layer can improve the wear resistance of the bolt structure, and meanwhile, the damage to the magnetic core when the bolt structure moves is reduced due to the smooth surface of the graphene layer; the metal layer is a reinforcing layer, so that the strength of the bolt structural part can be ensured, and the bolt structural part is not easy to deform; the magnetic core layer can reduce the influence of the bolt structural part on the magnetic core to the maximum extent.

The utility model has the advantages and the beneficial effects that: the utility model relates to a combination magnetic core, this magnetic core can make two components of a whole that can function independently magnetic cores firm combinations through the bolt structure, is difficult for droing.

Drawings

Fig. 1 is a schematic structural diagram of the present invention (both ends of the latch structural member are bent and inserted into the C-shaped groove and the L-shaped groove).

FIG. 2 is a schematic view of the structure of the present invention (the two ends of the latch structure are bent without inserting into the C-shaped groove and the L-shaped groove)

Fig. 3 is a schematic diagram of the separation of the components of the present invention.

Fig. 4 is a schematic view of a latch structure.

Fig. 5 is a partially enlarged schematic view.

Detailed Description

The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

Example (b):

a combined magnetic core comprises a first split magnetic core 1, a second split magnetic core 2, a bolt structural member 3, a C-shaped groove 4, an L-shaped groove 5 and an I-shaped groove 6; the first split magnetic core 1 and the second split magnetic core 2 are E-shaped, the first split magnetic core 1 and the second split magnetic core 2 are arranged in a mirror image mode, and end columns and middle columns at two ends of the first split magnetic core 1 and the second split magnetic core 2 are sequentially spliced with each other; the side walls of the outward sides of the end posts at the two ends of the first split magnetic core 1 are respectively provided with a C-shaped groove 4, and the C-shaped grooves 4 comprise transverse grooves parallel to the first split magnetic core 1 and longitudinal grooves which are positioned at the two ends of the transverse grooves and are perpendicular to the transverse grooves; the end parts of the end posts at the two ends of the first split magnetic core 1 are respectively provided with an I-shaped groove 6 towards the edge of the outward side, the I-shaped grooves are perpendicular to the first split magnetic core 1, and the transverse grooves of the C-shaped grooves 4 on the same end post are communicated with the lower parts of the I-shaped grooves 6 in the end posts; the outward side of the end column at the two ends of the second split magnetic core 2 is provided with an L-shaped groove 5, one end of the L-shaped groove 5 is perpendicular to the second split magnetic core 2 and is far away from the end part of the end column of the second split magnetic core 2, and the other end of the L-shaped groove 5 is parallel to the second split magnetic core 2 and penetrates out from the end part of the end column of the second split magnetic core 2; when the first split magnetic core 1 and the second split magnetic core 2 are spliced, the L-shaped groove 5 is communicated with the I-shaped groove 6 and the C-shaped groove 4; the middle of the bolt structural part 3 is a straight strip, and two ends of the bolt structural part are vertically bent; the two bolt structural members 3 are respectively embedded into the transverse grooves of the C-shaped grooves 4 of the end posts at the two ends of the first split magnetic core 1 and the communication positions of the transverse grooves of the C-shaped grooves 4 and the I-shaped grooves 6; when first components of a whole that can function independently magnetic core 1 and 2 concatenations of second components of a whole that can function independently magnetic core, bolt structure 3 can be at the cross slot of C shape groove 4, the intercommunication department of C shape groove 4 cross slot and I shape groove 6 and the L shape groove 5 in make a round trip to slide, the front end of bolt structure 3 is buckled and can upwards overturn with the rear end is buckled, make the front end of bolt structure 3 buckle with the rear end buckle imbed the vertical groove and the I shape groove of C shape groove 4 front end simultaneously or make the front end of bolt structure 3 buckle with the rear end buckle imbed the vertical groove and the L shape groove 5 one end of perpendicular to second components of a whole that can function independently magnetic core 2 of C shape groove 4 simultaneously.

The diameter H of the front end bending of the bolt structural part 3 is smaller than the diameter H of the middle straight strip of the bolt structural part 3, and the diameter H of the middle straight strip of the bolt structural part 3 is larger than the diameter L of the rear end bending of the bolt structural part; the diameter H of the transverse groove of the C-shaped groove is equal to the diameter H of the middle straight strip of the bolt structural member 3; the diameter h of the longitudinal groove of the C-shaped groove is equal to the diameter h of the bent front end of the bolt structural member 3; the diameter L of the I-shaped groove is the same as the diameter L of one end, perpendicular to the second split magnetic core 2, of the L-shaped groove 5 and the diameter L of the rear end bending of the plug pin structural member 3.

The bolt structural member 3 has a three-layer structure from outside to inside, and comprises an outermost graphene layer 7, a middle metal layer 8 and an innermost magnetic core layer 9; the graphene layer 7 is a graphene coating with a smooth surface; the metal layer 8 is made of hard metal; the magnetic core layer 9 is made of the same material as the first split magnetic core 1 and the second split magnetic core 2.

When the first split magnetic core 1 and the second split magnetic core 2 are separated, the front end bending and the rear end bending of the bolt structural member 3 are simultaneously embedded into the longitudinal groove and the I-shaped groove at the front end of the C-shaped groove 4;

when the first split magnetic core 1 and the second split magnetic core 2 are spliced, the front end bending and the rear end bending of the plug pin structural member 3 are simultaneously embedded into the longitudinal groove at the rear end of the C-shaped groove 4 and one end of the L-shaped groove 5 perpendicular to the second split magnetic core 2.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims (3)

1. A composite magnetic core, comprising: the split magnetic core comprises a first split magnetic core, a second split magnetic core, a plug pin structural part, a C-shaped groove, an L-shaped groove and an I-shaped groove; the first split magnetic core and the second split magnetic core are E-shaped, the first split magnetic core and the second split magnetic core are arranged in a mirror image mode, and end columns and middle columns at two ends of the first split magnetic core and the second split magnetic core are sequentially spliced with each other; the side walls of the outward sides of the end posts at the two ends of the first split magnetic core are respectively provided with a C-shaped groove, and the C-shaped grooves comprise transverse grooves parallel to the first split magnetic core and longitudinal grooves which are positioned at the two ends of the transverse grooves and are perpendicular to the transverse grooves; the end part of the end post at the two ends of the first split magnetic core is provided with an I-shaped groove at the edge of the outward side respectively, the I-shaped groove is vertical to the first split magnetic core, and the transverse groove of the C-shaped groove on the same end post is communicated with the lower part of the I-shaped groove in the end post; the end columns at the two ends of the second split magnetic core are provided with L-shaped grooves towards the outer side, one end of each L-shaped groove is perpendicular to the second split magnetic core and is far away from the end part of the end column of the second split magnetic core, and the other end of each L-shaped groove is parallel to the second split magnetic core and penetrates out of the end part of the end column of the second split magnetic core; when the first split magnetic core and the second split magnetic core are spliced, the L-shaped groove is communicated with the I-shaped groove and the C-shaped groove; the middle of the bolt structural part is in a straight strip shape, and two ends of the bolt structural part are vertically bent; the two bolt structural parts are respectively embedded into the transverse grooves of the C-shaped grooves of the end posts at the two ends of the first split magnetic core and the communication positions of the transverse grooves of the C-shaped grooves and the I-shaped grooves; when first components of a whole that can function independently magnetic core and second components of a whole that can function independently magnetic core splice, the bolt structure can make a round trip to slide in the cross slot in C groove, the intercommunication department and the L shape groove in C groove cross slot and the I shape groove, the front end of bolt structure is buckled and can upwards overturn with the rear end is buckled, make the front end of bolt structure buckle with the rear end buckle imbed the vertical groove and the I shape groove of C groove front end simultaneously or make the front end of bolt structure buckle with the rear end buckle imbed the vertical groove and the L shape groove perpendicular to one end of second components of a whole that can function independently magnetic core of C groove rear end simultaneously.

2. A composite magnetic core as defined in claim 1, wherein: the diameter of the front end bending of the bolt structural member is smaller than that of the middle straight strip of the bolt structural member, and the diameter of the middle straight strip of the bolt structural member is larger than that of the rear end bending of the bolt structural member; the diameter of the transverse groove of the C-shaped groove is equal to the diameter of the middle straight strip of the bolt structural member; the diameter of the longitudinal groove of the C-shaped groove is equal to the diameter of the front end bending of the bolt structural member; the diameter of the I-shaped groove is the same as the diameter of one end, perpendicular to the second split magnetic core, of the L-shaped groove and the diameter of the rear end of the plug pin structural member in bending.

3. A composite magnetic core as defined in claim 1, wherein: the bolt structural member is of a three-layer structure from outside to inside and comprises an outermost graphene layer, a middle metal layer and an innermost magnetic core layer; the graphene layer is a graphene coating with a smooth surface; the metal layer is made of hard metal; the magnetic core layer is made of the same material as the first split magnetic core and the second split magnetic core.

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