CN219321162U

CN219321162U - Power inductor with shielding cover

Info

Publication number: CN219321162U
Application number: CN202223235883.3U
Authority: CN
Inventors: 秦志方; 杜家旺
Original assignee: Meitai High Tech Shanghai Microelectronics Co ltd
Current assignee: Meitai High Tech Shanghai Microelectronics Co ltd
Priority date: 2022-12-05
Filing date: 2022-12-05
Publication date: 2023-07-07
Anticipated expiration: 2032-12-05

Abstract

The utility model discloses a power inductor with a shielding cover, which comprises a shielding cover I, a shielding cover II and a magnetic core sleeved with a coil, wherein the bottom end of the magnetic core is inserted into the shielding cover I, a shielding cover II sleeved outside the shielding cover I is arranged on the top end cover of the magnetic core, a locking groove is formed in one inner side of the shielding cover I, a gear is installed in the locking groove, a rack I and a rack II are meshed with the gear, a positioning piece is arranged on the shielding cover II, the positioning piece comprises an inserting rod, a limiting cap is fixed at one end of the inserting rod, a slot I is arranged at one end of the rack I, far away from the rack II, and a limiting plate provided with the slot II is fixed on the rack II. According to the utility model, the first shielding cover and the second shielding cover are fixed together by arranging the inserted link, the limiting cap, the grab handle, the locking groove, the rotating shaft, the gear, the first rack, the second rack, the limiting plate, the first slot and the second slot, so that the locking effect is achieved, and the locking device is easy to detach and convenient to overhaul.

Description

Power inductor with shielding cover

Technical Field

The utility model relates to the technical field of power inductors, in particular to a power inductor with a shielding cover.

Background

In order to prevent the influence of external magnetic fields on the power inductance, a shielding case made of magnetic materials is generally utilized to isolate the power inductance from the external magnetic fields. The prior patent (publication number: CN 211208202U) discloses a power inductor with a shielding cover, which is characterized in that a plurality of positioning protruding ribs are arranged on the inner wall of the shielding cover so as to be convenient for quick positioning and installation of a magnetic core, prevent the magnetic core from being eccentric and keep normal operation, but the utility model uses an adhesive to fix the magnetic core and the shielding cover, and is difficult to detach and easy to damage the structure when the magnetic core and the shielding cover need to be overhauled or replaced in the later period. To this end, we propose a power inductor with a shield.

Disclosure of Invention

The present utility model is directed to a power inductor with a shielding case, so as to solve the above-mentioned problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a take power inductance of shield cover, includes shield cover one, shield cover two and cover be equipped with the magnetic core of coil, in the shield cover one is inserted to the magnetic core bottom, magnetic core top end cover is equipped with the shield cover two of cover outside shield cover one, be equipped with closing device in the shield cover two, one side is equipped with locking groove in the shield cover one, install the gear through the rotation axis in the locking groove, gear both sides meshing has rack one, rack two in locking groove, shield cover two is close to locking groove one side and is equipped with the setting element, the setting element includes the inserted bar of one end in inserting locking groove, the inboard tip of inserted bar is fixed with the spacing cap, rack one is kept away from rack two one end and runs through be equipped with the slot one of inslot highly being less than spacing cap diameter, be fixed with the limiting plate on the rack two, the slot two that is kept away from rack one end and runs through being equipped with inslot highly being less than spacing cap diameter.

Preferably, the other end of the inserted link is fixed with a grab handle with the radius larger than that of the limiting cap, and the first shielding cover and the second shielding cover are provided with jacks with the radius equal to that of the limiting cap.

Preferably, the compressing device comprises a center block with compression rollers arranged on the periphery, the compression rollers are connected with the center block through rotating shafts, a screw rod in threaded connection with the second shielding cover is rotatably arranged at the top of the center block, and the screw rod is fixed with the second shielding cover through locking nuts.

Preferably, a positioning block is arranged at the top of the magnetic core, and a positioning groove for placing the compression roller is arranged at the top of the positioning block.

Compared with the prior art, the utility model has the beneficial effects that: through setting up inserted bar, spacing cap, grab handle, locking recess, the rotation axis, the gear, rack one, rack two, the limiting plate, slot one and slot two, insert the spacing cap one end of inserted bar in the locking recess, rethread twists the rotation axis, make the gear rotate and drive rack one and rack two both ends of locking recess and remove, until slot one and slot two inner wall respectively with the inserted bar butt, the spacing cap is located the rear side of limiting plate and rack one and is blocked in slot two and slot one outside this moment respectively, make the inserted bar unable normal direction locking recess remove, receive the restriction that jack radius is less than the grab handle again, make the grab handle unable to put into in the jack, consequently, make the inserted bar also unable to continue to remove towards locking recess, thereby fix shield cover one and shield cover two together, reach the effect of locking, and dismantle easily, the overhaul conveniently.

Drawings

Fig. 1 is a schematic structural diagram of a power inductor with a shielding case according to the present utility model;

fig. 2 is a schematic structural diagram of a compressing apparatus with a power inductor of a shielding case according to the present utility model;

fig. 3 is a schematic diagram illustrating an internal structure of a locking groove of a power inductor with a shielding case according to the present utility model;

fig. 4 is a schematic structural diagram of a positioning member with a power inductor of a shielding case according to the present utility model.

In the figure: magnetic core 1, shield cover one 2, shield cover two 3, closing device 4, center piece 41, screw rod 42, axis of rotation 43, compression roller 44, lock nut 45, locating piece 5, positioning groove 6, axis of rotation 7, gear 8, rack one 9, slot one 10, rack two 11, limiting plate 12, slot two 13, setting element 14, inserted link 141, grab handle 142, limiting cap 143, jack 15, coil 16, locking groove 17.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the power inductor with the shielding cover comprises a shielding cover I2, a shielding cover II 3 and a magnetic core 1 sleeved with a coil 16, wherein the bottom end of the magnetic core 1 is inserted into the shielding cover I2, the top end of the magnetic core 1 is covered with the shielding cover II 3 sleeved outside the shielding cover I2, the outer surface of the shielding cover I2 is attached to the inner wall of the shielding cover II 3, and a pressing device 4 is arranged in the shielding cover II 3;

further, the pressing device 4 includes a central block 41 with pressing rollers 44 around, the pressing rollers 44 are arranged in a cross shape, so as to uniformly press the top of the magnetic core 1, the pressing rollers 44 can be made of rubber and have a certain elasticity, when the whole power inductor is impacted, a certain buffering effect can be achieved, the pressing rollers 44 are kept stable, the pressing rollers 44 are connected with the central block 41 through a rotating shaft 43, a screw 42 in threaded connection with the second shielding cover 3 is rotatably installed at the top of the central block 41, the screw 42 vertically penetrates the second shielding cover 3, the screw 42 can be enabled to vertically displace with the second shielding cover 3 through rotating the screw 42, so that the central block 41 is driven to vertically move in the second shielding cover 3, after the second shielding cover 3 is covered, the screw 42 is enabled to drive the movable central block 41 to downwardly move, the pressing rollers 44 act on the top of the magnetic core 1, and pressure is applied to the pressing rollers, so that the magnetic core 1 is tightly pressed in the first shielding cover 2, the magnetic core 1 is more stable, and the screw 42 is fixed with the second shielding cover 3 through a locking nut 45;

further, a positioning block 5 is arranged at the top of the magnetic core 1, and a positioning groove 6 for placing the pressing roller 44 is arranged at the top of the positioning block 5;

specifically, the positioning groove 6 is integrally formed in an inverted conical shape, the bottom end is an arc surface with the same radius as the pressing roller 44, the upper end is an outwards-expanded inclined surface, the pressing roller 44 is introduced into the positioning groove 6 by using the inclined surface, when the pressing device 4 gradually moves downwards, the pressing roller 44 finally falls into the arc surface and cannot move, the effect of positioning the pressing roller 44 is achieved, and meanwhile, the placement angle of the magnetic core 1 can be corrected.

A locking groove 17 is formed in one side of the first shielding cover 2, a gear 8 is arranged in the locking groove 17 through a rotating shaft 7, a first rack 9 and a second rack 11 which horizontally slide in the locking groove 17 are meshed with two sides of the gear 8, a positioning piece 14 is arranged on one side, close to the locking groove 17, of the second shielding cover 3, the positioning piece 14 comprises a plug rod 141 with one end inserted into the locking groove 17, a limiting cap 143 is fixed at the end part of the inner side of the plug rod 141, one end, far from the first rack 9, of the second rack 11 penetrates through a first slot 10 with the height smaller than the diameter of the limiting cap 143 in a groove, a limiting plate 12 is fixed on the second rack 11, and one end, far from the first rack 9, of the limiting plate 12 penetrates through a second slot 13 with the height smaller than the diameter of the limiting cap 143 in a groove;

further, the other end of the inserting rod 141 is fixed with a grab handle 142 with radius larger than that of the limiting cap 143, the first shielding cover 2 and the second shielding cover 3 are provided with inserting holes 15 with radius equal to that of the limiting cap 143, and the inserting holes 15 are communicated with the locking groove 17;

specifically, through setting up inserted bar 141, spacing cap 143, grab handle 142, locking recess 17, jack 15, rotation axis 7, gear 8, rack one 9, rack two 11, limiting plate 12, slot one 10 and slot two 13, insert the spacing cap 143 one end of inserted bar 141 in locking recess 7, rethread twists rotation axis 7, make gear 8 rotate and drive rack one 9 and rack two 11 to locking recess 7's both ends remove, until slot one 10 and slot two 13 inner walls butt with inserted bar 141 respectively, spacing cap 143 is located the rear side of limiting plate 12 and rack one 9 respectively and is blocked in slot two 13 and slot one 10 outside this moment, make inserted bar 141 unable to remove outside locking recess 7 again, receive the restriction that jack 15 radius is less than grab handle 142, make grab handle 142 unable to put into in the jack 15, consequently, make inserted bar 141 also unable to continue moving towards locking recess 7, thereby fix shield one 2 and shield two 3 together, reach the effect of locking, and easy dismantlement, it is convenient to take advantage.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a take power inductance of shield cover, includes shield cover one (2), shield cover two (3) and cover magnetic core (1) that are equipped with coil (16), its characterized in that: the utility model provides a magnetic core, magnetic core (1) bottom inserts in shield cover one (2), and magnetic core (1) top end lid is equipped with cover shield cover two (3) outside shield cover one (2), be equipped with closing device (4) in shield cover two (3), one side is equipped with locking recess (17) in shield cover one (2), install gear (8) through rotation axis (7) in locking recess (17), gear (8) both sides meshing has rack one (9), rack two (11) that slide in locking recess (17), shield cover two (3) are close to locking recess (17) one side and are equipped with setting element (14), setting element (14) are including inserted rod (141) in locking recess (17) in one end, the inboard tip of inserted rod (141) is fixed with spacing cap (143), one end of keeping away from rack two (11) runs through slot one (10) that are equipped with the inslot highly be less than spacing cap (143) diameter, be fixed with limiting plate (12) on rack two (11), one end (12) is kept away from one end and is equipped with one end diameter of spacing cap (13) and runs through the slot one.

2. A shielded power inductor as claimed in claim 1 wherein: the other end of the inserted link (141) is fixedly provided with a grab handle (142) with the radius larger than that of the limiting cap (143), and the first shielding cover (2) and the second shielding cover (3) are provided with jacks (15) with the radius equal to that of the limiting cap (143).

3. A shielded power inductor as claimed in claim 1 wherein: the compressing device (4) comprises a center block (41) with compression rollers (44) arranged on the periphery, the compression rollers (44) are connected with the center block (41) through rotating shafts (43), a screw rod (42) in threaded connection with a second shielding cover (3) is rotatably arranged at the top of the center block (41), and the screw rod (42) is fixed with the second shielding cover (3) through locking nuts (45).

4. A shielded power inductor as claimed in claim 1 wherein: the top of the magnetic core (1) is provided with a positioning block (5), and the top of the positioning block (5) is provided with a positioning groove (6) for placing a pressing roller (44).