CN211125243U

CN211125243U - Multiphase coupling inductor for reducing electromagnetic interference

Info

Publication number: CN211125243U
Application number: CN201921915878.2U
Authority: CN
Inventors: 林长亮
Original assignee: Tianjin Tianlang Electronics Co ltd
Current assignee: Tianjin Tianlang Electronics Co ltd
Priority date: 2019-11-08
Filing date: 2019-11-08
Publication date: 2020-07-28
Anticipated expiration: 2029-11-08

Abstract

The utility model relates to an electric elements technical field especially relates to a reduce electromagnetic interference's heterogeneous coupling inductor. The to-be-solved technical problem of the utility model is that the installation of the present heterogeneous coupling inductor of part and protection box in market is inconvenient. In order to solve the technical problem, the utility model provides a reduce electromagnetic interference's heterogeneous coupling inductor, including the protection box, both ends all are provided with movable chamber about both sides around the protection box inner wall, and per two activity chamber be a set of through loose axle swing joint, and the fixed limiting plate that has cup jointed on the surface of loose axle. The utility model discloses in the use, through arranging the supporting disk in behind the limiting plate top to spacing dish application of force push down, the limiting plate atress makes it be in compression state through the loose axle uses the activity chamber to rotate downwards as the axle center and exert pressure to spacing spring this moment, only presses down the installation that just accomplishes heterogeneous coupling inductor and protection box of a step, has improved the convenience of installing.

Description

Multiphase coupling inductor for reducing electromagnetic interference

Technical Field

The utility model relates to an electric elements technical field specifically is a reduce electromagnetic interference's heterogeneous coupling inductor.

Background

Some existing multi-phase coupling inductors in the market have the function of reducing electromagnetic interference, but the multi-phase coupling inductors are mostly required to be subjected to processes such as multiple clamping, chip spacing and the like in the process of being mounted with a protection box, and the multi-phase coupling inductors and the protection box are quite inconvenient to mount due to the multiple and quite complicated steps.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

To the not enough of prior art, the utility model provides a reduce electromagnetic interference's heterogeneous coupling inductor has solved the inconvenient problem of installation of the present heterogeneous coupling inductor of part and protection box in market.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a multiphase coupling inductor for reducing electromagnetic interference comprises a protection box, wherein movable cavities are arranged at the left end and the right end of the front side and the rear side of the inner wall of the protection box, every two movable cavities are in a group, each movable cavity is movably connected through a movable shaft, a limiting plate is fixedly sleeved on the surface of each movable shaft, each movable shaft penetrates through a movable through hole formed in one side of the corresponding limiting plate, one side of the inner wall of the protection box is fixedly connected with the bottom of the corresponding limiting plate through a limiting spring, a limiting ring is fixedly sleeved at the bottom of the inner wall of the protection box, a supporting spring is fixedly connected to one side of the bottom of the inner wall of the protection box, a supporting plate is fixedly connected to one end of the supporting spring, a supporting plate is lapped at the top of the supporting plate, the supporting plate is movably sleeved in the limiting ring, a supporting column is fixedly sleeved in, the fixed cover of one end of support column has connect spacing dish, and the fixed cover of one end of support column connects in the spacing intracavity that sets up in spacing dish bottom.

Preferably, the movable shafts are made of PVC, and the two movable shafts are symmetrically arranged by taking the shaft axis of the protection box as a central line.

Further preferably, the limiting ring is made of PVC materials, and the diameter of the inner wall of the limiting ring is equal to that of the supporting disc.

Further preferably, an included angle between one side of the limiting spring and the horizontal plane is 45 degrees.

Further preferably, the limiting disc and the supporting disc are concentric, and the diameter of the supporting disc is 1.5 times of that of the limiting disc.

Further preferably, the number of the supporting springs is three, and the gaps between two adjacent supporting springs are equal.

(III) advantageous effects

The utility model provides a reduce electromagnetic interference's heterogeneous coupling inductor possesses following beneficial effect:

(1) the supporting disk is arranged at the top of the limiting plate and then applies force to the limiting plate to press down, the limiting plate is stressed to rotate downwards by taking the movable cavity as an axis through the movable shaft and applies pressure to the limiting spring to enable the limiting plate to be in a compressed state, the supporting disk reaches the inside of the limiting ring to be in contact with the top of the supporting plate, then the force is continuously applied to the limiting plate until the bottom of the limiting plate is not in contact with the top of the limiting plate completely to enable the limiting spring to lose pressure and rebound to enable the limiting plate to reset, the supporting disk applies pressure to the supporting spring at the bottom of the supporting plate through the supporting column to enable the supporting spring to be in a compressed state in the falling process of the limiting plate, at the moment, the force applied to the limiting plate is cancelled after the limiting plate resets to enable the supporting spring to lose pressure and rebound to drive the supporting plate to lift and drive the supporting, the convenience of installation is greatly improved.

(2) The three pressure that makes the backup pad to the supporting spring transmission through supporting spring's quantity evenly divide into the triplex, and the triplex pressure is evenly absorbed by three supporting spring, has improved every supporting spring's life.

Drawings

FIG. 1 is a sectional view of the front structure of the present invention;

FIG. 2 is a sectional view of the structure of the present invention;

fig. 3 is a sectional view of the front structure of the support plate of the present invention.

In the figure: the device comprises a protection box 1, a movable cavity 2, a movable shaft 3, a limiting plate 4, a movable opening 5, a limiting spring 6, a limiting ring 7, a supporting spring 8, a supporting plate 9, a supporting plate 10, a fixed cavity 11, a supporting column 12, a copper coil 13, a limiting plate 14 and a limiting cavity 15.

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.

Referring to fig. 1-3, the present invention provides a technical solution: a multiphase coupling inductor for reducing electromagnetic interference comprises a protection box 1, wherein the left end and the right end of the front side and the rear side of the inner wall of the protection box 1 are respectively provided with a movable cavity 2, every two movable cavities 2 are in a group, each group of movable cavities 2 is movably connected through a movable shaft 3, the movable shafts 3 are made of PVC materials, and the two movable shafts 3 are symmetrically arranged by taking the axial lead of the protection box 1 as a central line, so that the movable shafts 3 are ensured to have enough service life, the production cost of the movable shafts 3 is also ensured to be lower, a limiting plate 4 is fixedly sleeved on the surface of each movable shaft 3, the movable shafts 3 are inserted into movable through holes 5 arranged on one side of the limiting plate 4, one side of the inner wall of the protection box 1 is fixedly connected with the bottom of the limiting plate 4 through a limiting spring 6, a limiting ring 7 is fixedly sleeved on the bottom of the inner wall of the protection box 1, one side of the, the number of the supporting springs 8 is three, gaps between two adjacent supporting springs 8 are equal, the arrangement enables pressure transmitted from the supporting plate 9 to the supporting springs 8 to be evenly divided into three parts, the three parts of pressure are evenly absorbed by the three supporting springs 8, the service life of each supporting spring 8 is prolonged, one end of each supporting spring 8 is fixedly connected with the supporting plate 9, the top of the supporting plate 9 is overlapped with the supporting plate 10, the limiting ring 7 is made of PVC (polyvinyl chloride), the diameter of the inner wall of the limiting ring 7 is equal to that of the supporting plate 10, the arrangement ensures that the production cost of the limiting ring 7 is low while the limiting ring 7 has enough service life, and the diameter of the inner wall of the limiting ring 7 is equal to that of the supporting plate 10, so that the supporting plate 10 cannot deviate in angle after entering the limiting ring 7, so that the angles of the supporting column 12 and the supporting plate deviate at the same time, supporting disk 10 activity is cup jointed in spacing ring 7, and fixed cover has cup jointed support column 12 in the fixed chamber 11 that supporting disk 10's top one side set up, copper coil 13 has been cup jointed to the fixed surface of support column 12, the fixed cover of one end of support column 12 has cup jointed spacing dish 14, spacing dish 14 is concentric with supporting disk 10, and the diameter of supporting disk 10 is 1.5 times of spacing dish 14 diameter, it guarantees that supporting disk 10 puts the atress for the central point all the time to set up like this, can not lead to its life aggravation loss because of marginal atress, and the diameter of supporting disk 10 has improved sufficient home range for the limiting plate for 1.5 times of spacing dish 14 diameter, and the fixed cover of one end of support column 12 connects in spacing chamber 15 that spacing dish 14 bottoms set up.

The working principle is as follows: when the multiphase coupling inductor for reducing electromagnetic interference is used, the supporting disc 10 is arranged at the top of the limiting plate 4 and then applies force to the limiting disc 14 to press down, at the moment, the limiting plate 4 is stressed to rotate downwards by taking the movable cavity 2 as an axis through the movable shaft 3 and applies pressure to the limiting spring 6 to enable the limiting spring 6 to be in a compressed state, the supporting disc 10 reaches the inside of the limiting ring 7 and is in contact with the top of the supporting plate 9, at the moment, the limiting disc 14 continues applying force until the bottom of the limiting disc is not in contact with the top of the limiting plate 4 completely, so that the limiting spring 6 loses pressure and rebounds to enable the limiting plate 4 to reset, in the falling process of the limiting disc 14, the supporting disc 10 applies pressure to the supporting spring 8 at the bottom of the supporting plate 9 through the supporting column 12 to enable the supporting spring 8 to be in a compressed state, at the moment, after the limiting plate 4 resets, the force applied to the limiting disc 14 is cancelled 4, the installation of the multiphase coupling inductor and the protection box 1 can be completed by simply pressing one step, so that the installation convenience is greatly improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention.

Claims

1. A polyphase coupled inductor with reduced electromagnetic interference, comprising a protective box (1), characterized in that: the protection box is characterized in that movable cavities (2) are arranged at the left end and the right end of the front side and the rear side of the inner wall of the protection box (1), every two movable cavities (2) are in a group, each movable cavity (2) is movably connected through a movable shaft (3), a limiting plate (4) is sleeved on the surface of each movable shaft (3), each movable shaft (3) is inserted into a movable through hole (5) formed in one side of each limiting plate (4), one side of the inner wall of the protection box (1) is fixedly connected with the bottom of each limiting plate (4) through a limiting spring (6), a limiting ring (7) is fixedly sleeved at the bottom of the inner wall of the protection box (1), a supporting spring (8) is fixedly connected to one side of the bottom of the inner wall of the protection box (1), a supporting plate (9) is fixedly connected to one end of each supporting spring (8), a supporting plate (10) is overlapped on the top of each supporting plate (9), and, and fixed cover in fixed chamber (11) that top one side of supporting disk (10) set up has cup jointed support column (12), copper coil (13) have been cup jointed to the fixed surface of support column (12), the fixed cover of one end of support column (12) has cup jointed spacing dish (14), and the fixed cover of one end of support column (12) is cup jointed in spacing chamber (15) that spacing dish (14) bottom set up.

2. The inductor of claim 1, wherein: the movable shafts (3) are made of PVC materials, and the movable shafts (3) are symmetrically arranged by taking the axial lead of the protection box (1) as a central line.

3. The inductor of claim 1, wherein: the limiting ring (7) is made of PVC materials, and the diameter of the inner wall of the limiting ring (7) is equal to that of the supporting disc (10).

4. The inductor of claim 1, wherein: and an included angle between one side of the limiting spring (6) and the horizontal plane is 45 degrees.

5. The inductor of claim 1, wherein: the limiting disc (14) is concentric with the supporting disc (10), and the diameter of the supporting disc (10) is 1.5 times of that of the limiting disc (14).

6. The inductor of claim 1, wherein: the number of the supporting springs (8) is three, and gaps between two adjacent supporting springs (8) are equal.