CN213660111U

CN213660111U - Combined magnetic core

Info

Publication number: CN213660111U
Application number: CN202023091469.0U
Authority: CN
Inventors: 文志良; 文江; 文峰; 刘碧清
Original assignee: Shenzhen Clco Amorphous Tech Co ltd
Current assignee: Shenzhen Clco Amorphous Tech Co ltd
Priority date: 2020-12-21
Filing date: 2020-12-21
Publication date: 2021-07-09
Anticipated expiration: 2030-12-21

Abstract

The utility model belongs to the technical field of magnetic cores, in particular to a combined magnetic core, which comprises a first E-shaped magnetic core and a second E-shaped magnetic core which are oppositely arranged, and further comprises an installation frame, wherein the installation frame comprises a top plate and a bottom plate, and a positioning rod is vertically fixed in the middle of the top surface of the bottom plate; a threaded column with external threads is fixed at the top end of the positioning rod, and a nut is sleeved on the threaded column in a threaded screwing mode; the bottom surface of the top plate and the top surface of the bottom plate are both provided with symmetrically distributed positioning plates and symmetrically distributed clamping components; the combined magnetic core of the utility model realizes the combination of the first E-shaped magnetic core and the second E-shaped magnetic core by utilizing the mounting frame with the built-in positioning plate and the clamping component, can ensure the stability of the combination, is little influenced by the outside, and avoids the magnetic leakage phenomenon; the existence of locating lever can fix a position the installation of E type magnetic core and No. two E type magnetic cores to the stability of combination has further been improved to cooperation screw thread post and nut.

Description

Combined magnetic core

Technical Field

The utility model belongs to the technical field of the magnetic core, concretely relates to modular magnetic core.

Background

Magnetic core: the magnetic core is a sintered magnetic metal oxide composed of various iron oxide mixtures, for example, manganese-zinc ferrite and nickel-zinc ferrite are typical magnetic core materials, the manganese-zinc ferrite has the characteristics of high magnetic permeability and high magnetic flux density and has the characteristic of low loss, the nickel-zinc ferrite has the characteristics of extremely high impedance rate, low magnetic permeability of less than several hundred and the like, and the ferrite core is used in coils and transformers of various electronic devices.

Double E cores are typical composite cores, usually mounted in opposition, with and without an air gap.

When the original combined type magnetic core is used, the stability after combination is poor, the external influence is large, and the position between the two E-shaped magnetic cores is easy to deviate, so that the magnetic leakage phenomenon is easy to occur.

SUMMERY OF THE UTILITY MODEL

For solving the above-mentioned problem that exists among the prior art, the utility model provides a modular magnetic core has convenient to use and the good characteristics of stability ability.

In order to achieve the above object, the utility model provides a following technical scheme: a combined magnetic core comprises a first E-shaped magnetic core and a second E-shaped magnetic core which are oppositely arranged, and further comprises an installation frame, wherein the installation frame comprises a top plate and a bottom plate, and a positioning rod is vertically fixed in the middle of the top surface of the bottom plate; the opposite surfaces of the first E-shaped magnetic core and the second E-shaped magnetic core are respectively provided with a semi-cylindrical containing groove capable of containing the positioning rod, the top end of the positioning rod is fixedly provided with a threaded column with external threads, the threaded column penetrates through the top plate, and a nut is sleeved on the threaded column in a threaded screwing mode; the bottom surface of the top plate and the top surface of the bottom plate are both provided with symmetrically distributed positioning plates and symmetrically distributed clamping components.

As a preferred technical solution of the present invention, the clamping assembly includes a stable clamping plate and a threaded rod, the bottom surface of the top plate and the top surface of the bottom plate are both provided with a limiting chute, a limiting slider is fixed on the stable clamping plate, and the limiting slider is embedded into the corresponding limiting chute and can move along the limiting chute; the threaded rod transversely erects through the bearing support in the spacing spout, just the threaded rod runs through limiting slide and with limiting slide links to each other through the screw thread mode of closing soon.

As an optimized technical scheme of the utility model, the end fixing of threaded rod has the knob, the outer wall bonding of stabilizing the splint is fixed with the rubber facing.

As an optimized technical scheme of the utility model, the top surface of bottom plate still is fixed with four guide bars that are diagonal distribution, just the roof is run through on the top of guide bar.

As an optimal technical scheme of the utility model, the length of registration lever is less than an E type magnetic core and the height of No. two E type magnetic cores, the internal diameter of storage tank does an E type magnetic core and the third of No. two E type magnetic core thicknesses.

As an optimal technical scheme of the utility model, the terminal surface of No. two E type magnetic cores is fixed with the location lug the terminal surface of a E type magnetic core has been seted up and has been held the location breach of location lug.

Compared with the prior art, the beneficial effects of the utility model are that: the combined magnetic core of the utility model realizes the combination of the first E-shaped magnetic core and the second E-shaped magnetic core by utilizing the mounting frame with the built-in positioning plate and the clamping component, can ensure the stability of the combination of the first E-shaped magnetic core and the second E-shaped magnetic core, is little influenced by the outside, avoids the occurrence of magnetic leakage phenomenon, and ensures the reliable use of the combined magnetic core; the existence of locating lever can fix a position the installation of E type magnetic core and No. two E type magnetic cores to cooperation screw thread post and nut have further improved the stability of E type magnetic core and No. two E type magnetic core combinations.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the shaft-side structure of the mounting frame of the present invention;

fig. 3 is an enlarged schematic structural view of the position B in fig. 2 according to the present invention;

fig. 4 is an enlarged schematic structural diagram of a in fig. 1 according to the present invention.

In the figure: 1. a first E-shaped magnetic core; 2. a second E-shaped magnetic core; 3. a mounting frame; 4. a top plate; 5. a base plate; 6. positioning a plate; 7. positioning a rod; 8. a threaded post; 9. a nut; 10. a guide bar; 11. stabilizing the splint; 12. a limiting slide block; 13. a limiting chute; 14. a threaded rod; 15. a knob; 16. a rubber lining; 17. positioning the bump; 18. positioning the notch; 19. a containing groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-4, the present invention provides the following technical solutions: a combined magnetic core comprises a first E-shaped magnetic core 1 and a second E-shaped magnetic core 2 which are oppositely arranged, and further comprises an installation frame 3, wherein the installation frame 3 comprises a top plate 4 and a bottom plate 5, and a positioning rod 7 is vertically fixed in the middle of the top surface of the bottom plate 5; a semi-cylindrical accommodating groove 19 which can accommodate the positioning rod 7 is formed in the opposite surfaces of the first E-shaped magnetic core 1 and the second E-shaped magnetic core 2, a threaded column 8 with external threads is fixed at the top end of the positioning rod 7, the threaded column 8 penetrates through the top plate 4, and a nut 9 is sleeved on the threaded column 8 in a threaded screwing mode; when the first E-shaped magnetic core 1 and the second E-shaped magnetic core 2 are combined, the bottom plate 5 is horizontally arranged on the table top, the first E-shaped magnetic core 1 is butted with the second E-shaped magnetic core 2, the first E-shaped magnetic core 1 and the second E-shaped magnetic core 2 are respectively arranged on the inner sides of the positioning plates 6, opposite ends of the first E-shaped magnetic core 1 and the second E-shaped magnetic core 2 are contacted and embrace the positioning rods 7, the first E-shaped magnetic core 1 and the second E-shaped magnetic core 2 are clamped by the clamping components on the bottom plate 5, the top plate 4 is arranged on the top surfaces of the first E-shaped magnetic core 1 and the second E-shaped magnetic core 2 from the top, the threaded columns 8 penetrate through the top plate 4, the nuts 9 are screwed, the top plate 4 is stabilized, and the first E-shaped magnetic core 1 and the second E-shaped magnetic core 2 are clamped by the clamping components on the top plate 4 again, the stability of the combination of the first E-shaped magnetic core 1 and the second E-shaped magnetic core 2 is further improved.

Specifically, as shown in fig. 1, fig. 2 and fig. 3, in this embodiment, the clamping assembly includes a stable clamping plate 11 and a threaded rod 14, a limiting sliding groove 13 is formed in both the bottom surface of the top plate 4 and the top surface of the bottom plate 5, a limiting sliding block 12 is fixed on the stable clamping plate 11, and the limiting sliding block 12 is embedded in the corresponding limiting sliding groove 13 and can move along the limiting sliding groove 13; threaded rod 14 transversely erects in spacing spout 13 through the bearing support, and threaded rod 14 runs through spacing slider 12 and links to each other through the screw thread mode of closing soon with spacing slider 12, after E type magnetic core 1 and No. two E type magnetic cores 2 take one's place, rotatory threaded rod 14, under threaded rod 14 closes the cooperation soon with the screw thread of spacing slider 12, make spacing slider 12 drive stable splint 11 and remove towards corresponding E type magnetic core 1 or No. two E type magnetic cores 2, until supporting tight locating lever 7, and utilize stable splint 11 of symmetry to press from both sides tight E type magnetic core 1 and No. two E type magnetic cores 2.

Specifically, according to fig. 1, fig. 2 and fig. 3, in this embodiment, the end of the threaded rod 14 is fixed with the knob 15, and the threaded rod 14 is rotated by the knob 15, so that the safety and labor saving are achieved, the rubber gasket 16 is fixed on the outer wall of the stabilizing clamping plate 11 in an adhesion manner, and the structural form that the stabilizing clamping plate 11 directly contacts with the first E-shaped magnetic core 1 and the second E-shaped magnetic core 2 in a rigid manner to damage the first E-shaped magnetic core 1 and the second E-shaped magnetic core 2 is avoided.

Specifically, as shown in fig. 1 and fig. 2, in this embodiment, four diagonally distributed guide rods 10 are further fixed to the top surface of the bottom plate 5, and the top ends of the guide rods 10 penetrate through the top plate 4 to position the top plate 4, so that after the top plate 4 is in place, the top ends of the first E-shaped magnetic core 1 and the second E-shaped magnetic core 2 are reliably embedded into the inner sides of the two positioning plates 6 at the lower part of the top plate 4.

Specifically, according to fig. 1 and fig. 2, in this embodiment, the length of the positioning rod 7 is smaller than the heights of the first E-shaped magnetic core 1 and the second E-shaped magnetic core 2, so as to ensure the reliability of the screwing nut 9 for stabilizing the top plate 4, and the inner diameter of the accommodating groove 19 is one third of the thicknesses of the first E-shaped magnetic core 1 and the second E-shaped magnetic core 2, so as to ensure that the first E-shaped magnetic core 1 is reliably contacted with the end surface of the second E-shaped magnetic core 2.

Specifically, according to fig. 1 and fig. 4, in this embodiment, a positioning protrusion 17 is fixed on an end surface of the first E-shaped magnetic core 1, a positioning notch 18 capable of accommodating the positioning protrusion 17 is formed in the end surface of the first E-shaped magnetic core 1, after the first E-shaped magnetic core 1 is combined with the second E-shaped magnetic core 2, the positioning protrusion 17 is embedded into the positioning notch 18, so as to further position the combination of the first E-shaped magnetic core 1 and the second E-shaped magnetic core 2, and ensure the reliability and stability of the combination of the first E-shaped magnetic core 1 and the second E-shaped magnetic core 2.

The utility model discloses a theory of operation and use flow: the utility model discloses a combination formula magnetic core, when making up No. one E type magnetic core 1 and No. two E type magnetic cores 2, at first place bottom plate 5 level in the mesa, later with the butt joint of No. one E type magnetic core 1 and No. two E type magnetic cores 2, make No. one E type magnetic core 1 and No. two E type magnetic cores 2 respectively place in locating plate 6 inboard, and the opposite end of No. one E type magnetic core 1 and No. two E type magnetic cores 2 contacts and embraces locating lever 7, later utilize the centre gripping subassembly on bottom plate 5 to clamp tightly No. one E type magnetic core 1 and No. two E type magnetic cores 2;

then place the roof 4 in the top surface of 1 and No. two E type magnetic cores of E type magnetic core 2 from the top, and make screw post 8 and guide bar 10 all run through roof 4, and screw nut 9 to screw on the screw post 8, stabilize roof 4, at this moment, the top of 1 and No. two E type magnetic cores of E type magnetic core 2 can imbed two locating plates 6 inboards of 4 bottom surfaces of roof, utilize the centre gripping subassembly on roof 4 to press from both sides tightly 1 and No. two E type magnetic cores 2 again at last, in order to further improve the stability of 1 and No. two E type magnetic cores 2 combination of E type magnetic core.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a modular magnetic core, includes relative installation E type magnetic core (1) and No. two E type magnetic cores (2), its characterized in that: the device is characterized by further comprising an installation frame (3), wherein the installation frame (3) comprises a top plate (4) and a bottom plate (5), and a positioning rod (7) is vertically fixed in the middle of the top surface of the bottom plate (5); a semi-cylindrical accommodating groove (19) capable of accommodating the positioning rod (7) is formed in each of opposite surfaces of the first E-shaped magnetic core (1) and the second E-shaped magnetic core (2), a threaded column (8) with external threads is fixed to the top end of the positioning rod (7), the threaded column (8) penetrates through the top plate (4), and a nut (9) is sleeved on the threaded column (8) in a threaded screwing mode; and the bottom surface of the top plate (4) and the top surface of the bottom plate (5) are provided with symmetrically distributed positioning plates (6) and symmetrically distributed clamping components.

2. A modular magnetic core according to claim 1, wherein: the clamping assembly comprises a stable clamping plate (11) and a threaded rod (14), limiting sliding grooves (13) are formed in the bottom surface of the top plate (4) and the top surface of the bottom plate (5), a limiting sliding block (12) is fixed on the stable clamping plate (11), and the limiting sliding block (12) is embedded into the corresponding limiting sliding groove (13) and can move along the limiting sliding groove (13); the threaded rod (14) is transversely erected in the limiting sliding groove (13) through a bearing support, and the threaded rod (14) penetrates through the limiting sliding block (12) and is connected with the limiting sliding block (12) in a threaded screwing mode.

3. A modular magnetic core according to claim 2, wherein: a knob (15) is fixed at the end part of the threaded rod (14), and a rubber gasket (16) is fixed on the outer wall of the stable clamping plate (11) in an adhesion manner.

4. A modular magnetic core according to claim 1, wherein: the top surface of the bottom plate (5) is also fixed with four guide rods (10) which are distributed in a diagonal manner, and the top ends of the guide rods (10) penetrate through the top plate (4).

5. A modular magnetic core according to claim 1, wherein: the length of locating lever (7) is less than the height of a type E magnetic core (1) and a type E magnetic core (2), the internal diameter of storage tank (19) is a third of a type E magnetic core (1) and a type E magnetic core (2) thickness.

6. A modular magnetic core according to claim 1, wherein: a positioning lug (17) is fixed on the end face of the second E-shaped magnetic core (2), and a positioning notch (18) capable of accommodating the positioning lug (17) is formed in the end face of the first E-shaped magnetic core (1).