CN212907283U

CN212907283U - Convenient common mode inductor is dismantled in installation

Info

Publication number: CN212907283U
Application number: CN202022435586.8U
Authority: CN
Inventors: 林鉴才
Original assignee: Guangdong Qiaojing Electronic Technology Co ltd
Current assignee: Guangdong Qiaojing Electronic Technology Co ltd
Priority date: 2020-10-28
Filing date: 2020-10-28
Publication date: 2021-04-06
Anticipated expiration: 2030-10-28

Abstract

The utility model provides a convenient common mode inductance is dismantled in installation. Convenient common mode inductance is dismantled in installation includes mounting panel, common mode inductance mechanism, fixed establishment, stop gear and friction pad, common mode inductance mechanism installs on the mounting panel, common mode inductance mechanism includes cowl, arc guide way, ARC magnetic core, enameled wire and jack, two ARC magnetic core symmetry fixed mounting is on the mounting panel, and two ARC guide ways set up respectively on two one side lateral walls that ARC magnetic core is relative, two ARC magnetic core symmetry is inserted and is located between two ARC magnetic cores, and two enameled wires are around respectively on two ARC magnetic cores, and is two sets of the jack symmetry is seted up on the mounting panel, two the tip of enameled wire is inserted respectively and is located in two sets of jacks. The utility model provides a convenient common mode inductance is dismantled in installation has the installation firm, is convenient for change it, the advantage of cost is reduced.

Description

Convenient common mode inductor is dismantled in installation

Technical Field

The utility model relates to a common mode inductance field especially relates to a convenient common mode inductance is dismantled in installation.

Background

Common mode inductors, also called common mode chokes, are commonly used in switching power supplies of computers to filter common mode electromagnetic interference signals. In the board design, the common mode inductor also plays a role in EMI filtering, and is used for inhibiting electromagnetic waves generated by the high-speed signal line from radiating and emitting outwards. The common mode inductor is generally mounted on a PCB board, and the inductor is a set of coaxial wire turns connected in series and wound on an insulating framework, a magnetic core or an iron core by using enameled wires, covered wires or plastic covered wires.

Most of the existing common-mode inductors are installed by welding the end parts of enameled wires on a PCB, and under the influence of external force on the PCB, the connection of the common-mode inductors is loosened or damaged and needs to be completely replaced, so that the cost is high.

Therefore, there is a need to provide a new common mode inductor with convenient installation and disassembly to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an installation is firm, is convenient for change it, and convenient common mode inductance is dismantled in the installation of cost is reduced.

The utility model provides a convenient common mode inductance is dismantled in installation includes: mounting a plate; the common-mode inductance mechanism is installed on the installation plate and comprises arc-shaped baffles, arc-shaped guide grooves, arc-shaped magnetic cores, enameled wires and jacks, the two arc-shaped baffles are symmetrically and fixedly installed on the installation plate, the two arc-shaped guide grooves are respectively formed in the side wall of one side, opposite to the two arc-shaped baffles, of each arc-shaped baffle, the two arc-shaped magnetic cores are symmetrically inserted between the two arc-shaped baffles, the two enameled wires are respectively wound on the two arc-shaped magnetic cores, the two groups of jacks are symmetrically formed in the installation plate, and the end parts of the two enameled wires are respectively inserted into the two groups of jacks; the fixing mechanism is arranged on the mounting plate; and the limiting mechanism is arranged on the mounting plate.

Preferably, the fixing mechanism comprises through holes and fixing screws, the through holes are symmetrically formed in the mounting plate, and the fixing screws are respectively inserted into the through holes.

Preferably, stop gear includes fixed block, spacing groove, stopper, limiting plate and connecting rod, two fixed block symmetry fixed mounting is on the mounting panel, two the spacing groove symmetry is seted up on two fixed blocks, and two sets of stoppers insert respectively locate two spacing grooves and respectively with the tip fixed connection of two arc-shaped magnetic cores, two the limiting plate all rotates with two fixed blocks respectively through the connecting rod and is connected.

Preferably, a friction pad is fixedly mounted on the side wall of the limiting plate close to one side of the fixing block.

Preferably, the enameled wire wound on the arc-shaped magnetic core is abutted to the inner wall of the arc-shaped baffle.

Preferably, the corners of the side walls of the mounting plate are both arc-shaped.

Compared with the prior art, the utility model provides a convenient common mode inductance is dismantled in installation has following beneficial effect:

1. the arc-shaped magnetic cores and the enameled wires in the utility model can be disassembled, and one of the arc-shaped magnetic cores can be replaced in time when being damaged, so that the working efficiency is improved, the cost is reduced, meanwhile, the arc-shaped magnetic cores can be protected by the arc-shaped baffle plate and positioned, the arc-shaped magnetic cores are prevented from being loosened due to accidental collision, and the mounting firmness of the common-mode inductor is improved;

2. by arranging the limiting mechanism, when the two arc-shaped magnetic cores are clamped between the two arc-shaped baffle plates, the limiting block can be clamped into the limiting groove on the fixing block, and then the limiting plate is rotated through the connecting rod, so that the limiting plate is blocked at the opening of the limiting groove to limit the limiting block, and the connection firmness of the common-mode inductor is improved;

3. the friction pad is arranged on the side wall of the limiting plate, so that the friction force between the limiting plate and the fixing block is improved, and the limiting plate is prevented from sliding to be separated from the upper side of the fixing block.

Drawings

Fig. 1 is a schematic structural diagram of a common mode inductor convenient to mount and dismount according to a preferred embodiment of the present invention;

FIG. 2 is a schematic top view of the limiting mechanism shown in FIG. 1;

fig. 3 is a schematic side view of the limiting mechanism shown in fig. 1.

Reference numbers in the figures: 1. mounting panel, 2, common mode inductance mechanism, 21, cowl, 22, arc guide way, 23, arc magnetic core, 24, enameled wire, 25, jack, 3, fixed establishment, 31, through-hole, 32, set screw, 4, stop gear, 41, fixed block, 42, spacing groove, 43, stopper, 44, limiting plate, 45, connecting rod, 5, friction pad.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1, fig. 2 and fig. 3, wherein fig. 1 is a schematic structural diagram of a common mode inductor convenient to mount and dismount according to a preferred embodiment of the present invention; FIG. 2 is a schematic top view of the limiting mechanism shown in FIG. 1; fig. 3 is a schematic side view of the limiting mechanism shown in fig. 1. The method comprises the following steps: the device comprises a mounting plate 1, a common mode inductance mechanism 2, a fixing mechanism 3, a limiting mechanism 4 and a friction pad 5.

In a specific implementation process, as shown in fig. 1, a common mode inductance mechanism 2 is installed on an installation plate 1, the common mode inductance mechanism 2 includes arc-shaped baffles 21, arc-shaped guide grooves 22, arc-shaped magnetic cores 23, enameled wires 24 and jacks 25, the two arc-shaped baffles 21 are symmetrically and fixedly installed on the installation plate 1, the two arc-shaped guide grooves 22 are respectively opened on a side wall of the installation plate opposite to the two arc-shaped baffles 21, the two arc-shaped magnetic cores 23 are symmetrically inserted between the two arc-shaped baffles 21, the two enameled wires 24 are respectively wound around the two arc-shaped magnetic cores 23, the two sets of jacks 25 are symmetrically opened on the installation plate 1, and end portions of the two enameled wires 24 are respectively inserted into;

it should be noted that: when the device is used, the mounting plate 1 is fixed on a PCB (printed circuit board) through the fixing mechanism 3, the two arc-shaped magnetic cores 23 and the two enameled wires 24 are combined into a basic common mode inductor, the end parts of the enameled wires 24 are aligned to the insertion holes 25 and inserted, the two arc-shaped magnetic cores 23 form an annular magnetic block which is inserted between the two arc-shaped baffle plates 21 and guided through the two arc-shaped guide grooves 22, the annular magnetic block is clamped between the two arc-shaped baffle plates 21, the common mode inductor is mounted, and then the two arc-shaped magnetic cores 23 are limited through the limiting mechanism 4; wherein, inject the 24 tip of enameled wire in jack 25 and the interface connection on the PCB board, the utility model provides an arc magnetic core 23 and enameled wire 24 can be dismantled, in time when damage appears in one of them arc magnetic core 23 change it can, improved work efficiency, the cost is reduced, and cowl 21 can protect arc magnetic core 23 simultaneously, fixes a position it, prevents accidental collision and makes it not hard up, has improved common mode inductance's installation fastness.

Referring to fig. 1, the fixing mechanism 3 is installed on the mounting plate 1, the fixing mechanism 3 includes through holes 31 and fixing screws 32, two sets of through holes 31 are symmetrically opened on the mounting plate 1, and two sets of fixing screws 32 are respectively inserted into the two sets of through holes 31;

it should be noted that: when the mounting plate 1 is mounted on the PCB, the mounting plate 1 is fixed on the PCB through the fixing screws 32 inserted into the through holes 31 and screwed into the PCB, and the connection is firm.

Referring to fig. 1, 2 and 3, the limiting mechanism 4 is mounted on the mounting plate 1, the limiting mechanism 4 includes fixing blocks 41, limiting grooves 42, limiting blocks 43, limiting plates 44 and connecting rods 45, the two fixing blocks 41 are symmetrically and fixedly mounted on the mounting plate 1, the two limiting grooves 42 are symmetrically arranged on the two fixing blocks 41, the two groups of limiting blocks 43 are respectively inserted into the two limiting grooves 42 and respectively fixedly connected with the end portions of the two arc-shaped magnetic cores 23, and the two limiting plates 44 are respectively rotatably connected with the two fixing blocks 41 through the connecting rods 45;

it should be noted that: when two arc magnetic cores 23 block advanced between two cowl 21, during stopper 43 can block the spacing groove 42 on the fixed block 41, rethread connecting rod 45 rotated limiting plate 44, made limiting plate 44 keep off at the opening part of spacing groove 42, restricted stopper 43 to common mode inductance's firm in connection has been improved.

Referring to fig. 3, a friction pad 5 is fixedly mounted on a side wall of the limit plate 44 close to the fixed block 41;

it should be noted that: the friction pad 5 is mounted on the side wall of the limit plate 44, so that the friction force between the limit plate 44 and the fixed block 41 is increased, and the limit plate 44 is prevented from sliding and separating from the upper side of the fixed block 41.

Wherein, the enameled wire 24 wound on the arc-shaped magnetic core 23 is abutted against the inner wall of the arc-shaped baffle plate 21;

it should be noted that: the common mode inductor is limited through the arc-shaped baffle plate 21, so that the two arc-shaped magnetic cores 23 are tightly attached.

Wherein, the corners of the side wall of the mounting plate 1 are all arranged in an arc shape;

it should be noted that: the side wall corner of the mounting plate 1 is passivated, and the safety is improved.

The circuit and the control involved in the utility model are the prior art, and too much warts are not carried out here.

The above is only the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention can be used in other related technical fields, directly or indirectly, or in the same way as the present invention.

Claims

1. The utility model provides a convenient common mode inductance is dismantled in installation which characterized in that includes:

a mounting plate (1);

the common mode inductance device comprises a common mode inductance mechanism (2), wherein the common mode inductance mechanism (2) is installed on an installation plate (1), the common mode inductance mechanism (2) comprises arc-shaped baffles (21), arc-shaped guide grooves (22), arc-shaped magnetic cores (23), enameled wires (24) and jacks (25), the two arc-shaped baffles (21) are symmetrically and fixedly installed on the installation plate (1), the two arc-shaped guide grooves (22) are respectively formed in the side wall of one side, opposite to the two arc-shaped baffles (21), the two arc-shaped magnetic cores (23) are symmetrically inserted between the two arc-shaped baffles (21), the two enameled wires (24) are respectively wound on the two arc-shaped magnetic cores (23), the two groups of jacks (25) are symmetrically formed on the installation plate (1), and the end parts of the two enameled wires (24) are respectively inserted into the two groups of jacks (;

the fixing mechanism (3), the said fixing mechanism (3) is mounted on mounting panel (1);

and the limiting mechanism (4) is arranged on the mounting plate (1).

2. The common-mode inductor with convenient installation and disassembly as claimed in claim 1, wherein the fixing mechanism (3) comprises through holes (31) and fixing screws (32), two sets of the through holes (31) are symmetrically arranged on the installation plate (1), and two sets of the fixing screws (32) are respectively inserted into the two sets of the through holes (31).

3. The common-mode inductor convenient to mount and dismount and capable of being mounted and dismounted according to claim 1, wherein the limiting mechanism (4) comprises fixing blocks (41), limiting grooves (42), limiting blocks (43), limiting plates (44) and connecting rods (45), the two fixing blocks (41) are symmetrically and fixedly mounted on the mounting plate (1), the two limiting grooves (42) are symmetrically arranged on the two fixing blocks (41), two groups of limiting blocks (43) are respectively inserted into the two limiting grooves (42) and are respectively fixedly connected with the end portions of the two arc-shaped magnetic cores (23), and the two limiting plates (44) are respectively rotatably connected with the two fixing blocks (41) through the connecting rods (45).

4. The common mode inductor convenient to mount and dismount as claimed in claim 3, wherein a friction pad (5) is fixedly mounted on a side wall of the limiting plate (44) close to the fixing block (41).

5. The common mode inductor with convenient assembly and disassembly according to claim 1, wherein the enameled wire (24) wound on the arc-shaped magnetic core (23) is arranged against the inner wall of the arc-shaped baffle plate (21).

6. The common-mode inductor convenient to mount and dismount as claimed in claim 1, wherein corners of side walls of the mounting plate (1) are both arc-shaped.