CN209980939U

CN209980939U - Fixing mechanism for magnetic core

Info

Publication number: CN209980939U
Application number: CN201920828262.5U
Authority: CN
Inventors: 俞霖; 施郁峰
Original assignee: CHANGZHOU WUJIN HONGFU ELECTRONICS Co Ltd
Current assignee: Changzhou Hongfu Electronic Technology Co ltd
Priority date: 2019-06-04
Filing date: 2019-06-04
Publication date: 2020-01-21
Anticipated expiration: 2029-06-04

Abstract

The utility model belongs to the technical field of the magnetic core technique and specifically relates to a fixed establishment for magnetic core, including the magnetic core, the magnetic core outside is equipped with clamping device, and clamping device includes the connecting plate, and the top vertical welding of connecting plate has the fixed column, and the magnetic core cover is equipped with in the fixed column outside, and the vertical fixed orifices of having seted up in top of fixed column, and the inside threaded connection of fixed orifices has the lead screw, and the top horizontal welding of lead screw has the punch holder, and the punch holder contacts with the top of magnetic core, and the cartridge that slides on the fixed column of magnetic core bottom has the lower plate, and the cover is equipped with first. The utility model is provided with the clamping device, so that the magnetic core can be clamped and fixed according to the size of the magnetic core, and the usability of the device is effectively improved; the limiting device is arranged, so that the magnetic core can be limited, and the stability of the magnetic core is effectively improved; the installation mechanism is arranged, so that the magnetic core can be conveniently disassembled and installed, and maintenance work can be conveniently carried out by maintenance personnel at the later stage.

Description

Fixing mechanism for magnetic core

Technical Field

The utility model relates to a magnetic core technical field especially relates to a fixed establishment for magnetic core.

Background

Magnetic core refers to 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 lower loss; the nickel-zinc ferrite has the characteristics of extremely high impedance rate, low magnetic permeability of less than hundreds and the like; ferrite cores are used in coils and transformers for various electronic devices. The magnetic core is at the in-process of application, need carry out fixed mounting to it, current fixing device, and fixed knot constructs relatively fixedly, and the installation is dismantled in inconvenient later stage to this provides a fixed establishment for the magnetic core.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem of the prior art that the structure is fixed and the installation is dismantled in inconvenient later stage, and providing a fixing mechanism for magnetic core.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a fixing mechanism for a magnetic core is designed, and comprises a magnetic core, wherein a clamping device is arranged on the outer side of the magnetic core, the clamping device comprises a connecting plate, a fixed column is vertically welded on the top of the connecting plate, the magnetic core is sleeved on the outer side of the fixed column, a fixed hole is vertically formed in the top end of the fixed column, a lead screw is connected with the inner thread of the fixed hole, an upper clamping plate is horizontally welded at the top end of the lead screw and is in contact with the top end of the magnetic core, a lower clamping plate is inserted on the fixed column at the bottom end of the magnetic core in a sliding mode, a first spring is sleeved on the fixed column between the lower clamping plate and the connecting plate, the lower clamping plate is connected with the magnetic core through a plurality of limiting devices, each limiting device comprises a through groove horizontally formed in the lower clamping plate, a plurality of limiting rods are, the slider is connected with the third spring with leading to between the inside bottom of groove, the one end horizontally connected with first pull rod of third spring is kept away from to the slider, first pull rod runs through lower plate and tip welding has the snap ring, the snap ring clamps in the magnetic core outside the bottom of connecting plate is equipped with installation mechanism.

Preferably, the mounting mechanism comprises a bottom plate horizontally connected to the bottom of the connecting plate, the bottom plate is arranged in a round platform shape, a base is arranged below the bottom plate, a plurality of fixing pieces are welded at the bottom end of the base along the circumferential direction at equal intervals, locking bolts are all inserted in the fixing pieces, a mounting groove is formed in the position, corresponding to the bottom plate, of the top end of the base, the bottom plate is horizontally inserted in the mounting groove in a sliding manner, a plurality of fixing grooves are horizontally formed in the inner wall of the mounting groove along the circumferential direction at equal intervals, second pull rods are horizontally arranged in the fixing grooves, one ends, far away from the bottom plate, of the second pull rods penetrate through the extending outer portion of the base, pull rings are all welded at the end portions, limit blocks are fixedly connected to one ends, far away from the pull rings, second springs are sleeved on the limit blocks and the, and one side of the limiting block, which is far away from the second pull rod, is arranged in an inclined manner.

Preferably, the outer sides of the second pull rod and the fixed column are both arranged in a polygonal shape.

Preferably, a rubber pad is bonded to the bottom end of the inner portion of the mounting groove, and the bottom plate is located at the top end of the rubber pad.

Preferably, the knob is fixedly installed at the center of the top end of the upper clamping plate, and the upper clamping plate, the knob and the screw rod are of an integrally formed structure.

The utility model provides a pair of fixed establishment for magnetic core, beneficial effect lies in:

1. the utility model is provided with the clamping device, so that the magnetic core can be clamped and fixed according to the size of the magnetic core, and the usability of the device is effectively improved;

2. the limiting device is arranged, so that the magnetic core can be limited, and the stability of the magnetic core is effectively improved;

3. the installation mechanism is arranged, so that the magnetic core can be conveniently disassembled and installed, and maintenance work can be conveniently carried out by maintenance personnel at the later stage.

Drawings

Fig. 1 is a schematic structural view of a fixing mechanism for a magnetic core according to the present invention;

fig. 2 is a schematic view of an installation mechanism structure of a fixing mechanism for a magnetic core according to the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 1;

fig. 4 is an enlarged schematic view of a portion B in fig. 1.

In the figure: the magnetic core comprises a magnetic core 1, a fixing column 2, an upper clamping plate 3, a knob 4, a screw rod 5, a fixing hole 6, a clamping ring 7, a first pull rod 8, a pull ring 9, a fixing piece 10, a base 11, a bottom plate 12, a mounting groove 13, a connecting plate 14, a first spring 15, a limiting block 16, a second pull rod 17, a fixing groove 18, a second spring 19, a through groove 20, a sliding block 21, a third spring 22, a limiting rod 23 and a lower clamping plate 24.

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.

Referring to fig. 1-4, a fixing mechanism for a magnetic core comprises a magnetic core 1, a clamping device is arranged on the outer side of the magnetic core 1, the clamping device comprises a connecting plate 14, a fixing column 2 is vertically welded at the top of the connecting plate 14, the magnetic core 1 is sleeved on the outer side of the fixing column 2, a fixing hole 6 is vertically formed in the top end of the fixing column 2, a lead screw 5 is connected to the inner thread of the fixing hole 6, an upper clamping plate 3 is horizontally welded at the top end of the lead screw 5, a knob 4 is fixedly installed at the center position of the top end of the upper clamping plate 3, the knob 4 and the lead screw 5 are of an integrally formed structure, the upper clamping plate 3 is in contact with the top end of the magnetic core 1, a lower clamping plate 24 is slidably inserted on the fixing column 2 at the bottom end of the magnetic core 1; through fixed column 2, thereby can establish its outside with 1 cover of magnetic core, through lower plate 24, thereby can lift magnetic core 1, through rotating knob 4, thereby can rotate 5 inside to fixed orifices, make punch holder 3 and lower plate 24 carry out fixed centre gripping to magnetic core 1, through first spring 15, thereby can support lower plate 24, can change the position of lower plate 24 according to the size of magnetic core 1 simultaneously, the effectual usability that improves this device.

The limiting device comprises a through groove 20 horizontally formed in a lower clamping plate 24, a plurality of limiting rods 23 are horizontally connected in the through groove 20 at equal intervals along the circumferential direction, a sliding block 21 is sleeved on the plurality of limiting rods 23 in a sliding mode, a third spring 22 is connected between the sliding block 21 and the bottom end in the through groove 20, one end, far away from the third spring 22, of the sliding block 21 is horizontally connected with a first pull rod 8, the first pull rod 8 penetrates through the lower clamping plate 24, a clamping ring 7 is welded to the end portion of the first pull rod 8, the clamping ring 7 is clamped on the outer side of the magnetic core 1, and an; through pulling snap ring 7 to first pull rod 8 can drive slider 21 and slide on gag lever post 23, makes third spring 22 be tensile state, clamps snap ring 7 outside magnetic core 1 simultaneously, and loosens snap ring 7, thereby third spring 22 contracts, drives snap ring 7 to press from both sides tightly to fix magnetic core 1 can.

The mounting mechanism comprises a bottom plate 12 horizontally connected to the bottom of a connecting plate 14, the bottom plate 12 is arranged in a circular truncated cone shape, a base 11 is arranged below the bottom plate 12, a plurality of fixing pieces 10 are welded at the bottom end of the base 11 at equal intervals along the circumferential direction, locking bolts are all inserted on the fixing pieces 10, a mounting groove 13 is formed in the position, corresponding to the bottom plate 12, of the top end of the base 11, the bottom plate 12 is horizontally inserted in the mounting groove 13 in a sliding manner, a rubber pad is bonded at the bottom end inside the mounting groove 13, the bottom plate 12 is located at the top end of the rubber pad, a plurality of fixing grooves 18 are horizontally formed in the inner wall of the mounting groove 13 at equal intervals along the circumferential direction, a second pull rod 17 is horizontally arranged in the fixing grooves 18, the second pull rod 17 and the outer sides of the fixing columns 2 are arranged in a polygonal manner, one end, far away from the bottom plate, a second spring 19 is sleeved on the second pull rod 17 at the bottom end inside the limiting block 16 and the fixing groove 18, the bottom end of the limiting block 16 is abutted against the top end of the bottom plate 12, and one side of the limiting block 16 far away from the second pull rod 17 is obliquely arranged; with bottom plate 12 to the inside pressure of mounting groove 13 to bottom plate 12 and stopper 16 contact, extrude stopper 16 to fixed slot 18 inside simultaneously, make second spring 19 be compression state, thereby bottom plate 12 cartridge to the inside bottom of mounting groove 13, and stopper 16 separates with bottom plate 12, and second spring 19 promotes stopper 16 simultaneously and resets, and it can to spacing to carry on bottom plate 12.

The utility model discloses: at first, carry out preliminary fixed centre gripping to magnetic core 1 through clamping device, then use stop device to carry out spacing work to magnetic core 1, the effectual stability that improves magnetic core 1, through installation mechanism to be convenient for dismantle the installation to magnetic core 1, the maintainer later stage of being convenient for carries out maintenance work.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A fixing mechanism for a magnetic core comprises the magnetic core (1), and is characterized in that a clamping device is arranged on the outer side of the magnetic core (1) and comprises a connecting plate (14), a fixing column (2) is perpendicularly welded on the top of the connecting plate (14), the magnetic core (1) is sleeved on the outer side of the fixing column (2), a fixing hole (6) is vertically formed in the top end of the fixing column (2), a lead screw (5) is connected to the inner thread of the fixing hole (6), an upper clamping plate (3) is horizontally welded on the top end of the lead screw (5), the upper clamping plate (3) is contacted with the top end of the magnetic core (1), a lower clamping plate (24) is slidably inserted on the fixing column (2) at the bottom end of the magnetic core (1), a first spring (15) is sleeved on the fixing column (2) between the lower clamping plate (24) and the connecting plate (14), and the lower clamping plate (24) is connected with the magnetic core (, stop device includes that the level sets up logical groove (20) in lower plate (24) inside, it has many gag lever post (23) to lead to groove (20) inside along circumferencial direction equidistance horizontally connect, many the common slip cover is equipped with slider (21) on gag lever post (23), be connected with third spring (22) between slider (21) and the inside bottom of logical groove (20), the one end horizontally connect who keeps away from third spring (22) of slider (21) has first pull rod (8), first pull rod (8) run through lower plate (24) and tip welding have snap ring (7), snap ring (7) clamp in magnetic core (1) the outside the bottom of connecting plate (14) is equipped with installation mechanism.

2. The fixing mechanism for the magnetic core according to claim 1, wherein the mounting mechanism comprises a bottom plate (12) horizontally connected to the bottom of the connecting plate (14), the bottom plate (12) is arranged in a circular truncated cone shape, a base (11) is arranged below the bottom plate (12), a plurality of fixing plates (10) are welded at the bottom end of the base (11) at equal intervals along the circumferential direction, locking bolts are respectively inserted on the fixing plates (10), a mounting groove (13) is formed in the position, corresponding to the bottom plate (12), of the top end of the base (11), the bottom plate (12) is horizontally slidably inserted in the mounting groove (13), a plurality of fixing grooves (18) are horizontally formed in the inner wall of the mounting groove (13) at equal intervals along the circumferential direction, second pull rods (17) are horizontally arranged in the fixing grooves (18), one ends, far away from the bottom plate (12), of the second pull rods (17) extend through the base (11) and have welded pull rings (9) at the, the equal fixedly connected with stopper (16) of one end that pull ring (9) were kept away from in second pull rod (17), all overlap on stopper (16) and second pull rod (17) of the inside bottom of fixed slot (18) and be equipped with second spring (19), the bottom and bottom plate (12) top of stopper (16) offset, just one side that second pull rod (17) were kept away from in stopper (16) is the slope form setting.

3. The fixing mechanism for the magnetic core according to claim 2, wherein the second pull rod (17) and the outer side of the fixing column (2) are both polygonal.

4. The fixing mechanism for a magnetic core according to claim 2, wherein a rubber pad is bonded to the inner bottom end of the mounting groove (13), and the bottom plate (12) is seated on the top end of the rubber pad.

5. The fixing mechanism for the magnetic core according to claim 1, wherein a knob (4) is fixedly installed at a center position of a top end of the upper clamping plate (3), and the upper clamping plate (3), the knob (4) and the screw rod (5) are of an integrally formed structure.