CN219066551U

CN219066551U - Common mode filter with stable installation

Info

Publication number: CN219066551U
Application number: CN202221823536.XU
Authority: CN
Inventors: 吴升腾; 付晓红
Original assignee: Longyan Lianhe Electronic Technology Co ltd
Current assignee: Longyan Lianhe Electronic Technology Co ltd
Priority date: 2022-07-14
Filing date: 2022-07-14
Publication date: 2023-05-23
Anticipated expiration: 2032-07-14

Abstract

The utility model belongs to the technical field of common mode filters, and particularly relates to a common mode filter with stable installation, which comprises an installation plate, wherein a base is fixedly connected to the installation plate, a common mode filter body is placed on the base and is contacted with the installation plate, a connecting block is fixedly connected to the common mode filter body, a connecting groove is formed in the installation plate, a connecting block is connected to the inside of the connecting groove in a sliding manner, a guide groove is formed in the installation plate, and a clamping mechanism is arranged on the installation plate. According to the utility model, the threaded rod is arranged, so that the threaded rod drives the limiting frame to move, the limiting frame is matched with the base to clamp the common mode filter body, the limiting of the common mode filter body can be relieved by rotating the threaded rod during maintenance, the common mode filter body is convenient to detach and install, and the problem that the conventional common mode filter is inconvenient to maintain during use is solved.

Description

Common mode filter with stable installation

Technical Field

The utility model relates to the technical field of common mode filters, in particular to a common mode filter with stable installation.

Background

The common mode filter is a common mode interference suppression device using ferrite as a magnetic core, and is formed by symmetrically winding two coils with the same size and the same number of turns on the same ferrite annular magnetic core to form a four-terminal device which has a suppression effect on the large inductance of a common mode signal and hardly has a function on the small leakage inductance of a differential mode signal. The utility model patent with the publication number of CN211265192U discloses a common mode filter for a switching power supply, which comprises a PCB board and a bottom shell, wherein a wiring terminal and the common mode filter are arranged on the PCB board, a buckle is arranged above the common mode filter, a support column sheet is arranged on the bottom shell, mounting plates are arranged on two sides of the bottom plate, a plurality of heat dissipation grooves are arranged on the mounting plates, the structure is simple and reasonable, the use is convenient, the common mode filter is fixed by adopting the buckle, the mounting is simple, and the fixation is firmer. However, the above patent also suffers from the following disadvantages: the common mode filter is installed by adopting the buckle, and the installation stability is poor although the common mode filter is simple and convenient, and the common mode filter is easy to loose and fall off under the action of larger external force.

Disclosure of Invention

The utility model aims to provide a common mode filter with stable installation, which solves the problems existing 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 common mode filter of installation stability, includes the mounting panel, fixedly connected with base on the mounting panel, the common mode filter body has been placed on the base, common mode filter body and mounting panel contact, fixedly connected with connecting block on the common mode filter body, the spread groove has been seted up on the mounting panel, the inside sliding connection of spread groove has the connecting block, the guide way has been seted up on the mounting panel, be provided with fixture on the mounting panel, be provided with the connecting seat on the fixture, be provided with stop gear on the connecting seat.

Preferably, the spread groove has been seted up on the mounting panel, fixture includes slider, threaded rod, limiting plate, bracing piece, the inside sliding connection of guide way has the slider, the inside of mounting panel rotates and is connected with the threaded rod, threaded connection has the threaded rod in the inside of slider, the one end fixedly connected with bracing piece of slider, the quantity of bracing piece is two, two the bracing piece all contacts with the mounting panel, the outside of bracing piece has slided and has cup jointed the connecting seat, through fixture's design, can carry out the centre gripping to the common mode filter body.

Preferably, the threaded rod is fixedly connected with a limiting plate, the limiting plate is in contact with the mounting plate, and the threaded rod can be limited through the design of the limiting plate.

Preferably, the stop gear includes spacing groove, spacing nail, spring, spacing, there is spacing nail inside the connecting seat through threaded connection, the outside of bracing piece is provided with the spring, the lower extreme fixedly connected with spacing of connecting seat, spacing contacts with common mode filter body, through stop gear's design, can carry out spacingly to it according to the specification of common mode filter body.

Preferably, the limiting groove is formed in the supporting rod, the limiting nail is connected to the inside of the limiting groove in a sliding mode, and the limiting effect on the supporting rod can be achieved through the design of the limiting groove.

Preferably, one end of the spring is contacted with a limit nail, the other end of the spring is contacted with a support rod, the spring is contacted with the connecting seat, and the limit frame can be driven to limit the common mode filter body through the design of the spring.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the threaded rod is arranged, so that the threaded rod can drive the limiting frame to move, the limiting frame is matched with the base to clamp the common mode filter body, and the limiting of the common mode filter body can be relieved by rotating the threaded rod during maintenance, so that the common mode filter body is convenient to detach and install.

2. According to the utility model, the connecting seat is arranged, so that the connecting seat drives the limiting frame to limit the common mode filter body, and the connecting block and the connecting groove are arranged, so that the common mode filter body is more stable after being installed, and can not loose and fall off under the action of external force.

Drawings

FIG. 1 is a perspective view of the overall structure of the present utility model;

FIG. 2 is a front cross-sectional view of FIG. 1 of the present utility model;

fig. 3 is an enlarged view of the structure of the portion a in fig. 2 according to the present utility model.

In the figure: 1. a mounting plate; 2. a base; 3. a common mode filter body; 4. a connecting block; 5. a connecting groove; 6. a guide groove; 7. a slide block; 8. a threaded rod; 9. a limiting plate; 10. a support rod; 11. a connecting seat; 12. a limit groove; 13. a limit nail; 14. a spring; 15. a limiting frame; 16. a clamping mechanism; 17. and a limiting mechanism.

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. 1-3, a common mode filter with stable installation comprises a mounting plate 1, a base 2 fixedly connected to the mounting plate 1, a common mode filter body 3 arranged on the base 2, the common mode filter body 3 contacting with the mounting plate 1, a connecting block 4 fixedly connected to the common mode filter body 3, a connecting slot 5 arranged on the mounting plate 1, a connecting block 4 slidingly connected to the inside of the connecting slot 5, a guide slot 6 arranged on the mounting plate 1, a clamping mechanism 16 arranged on the mounting plate 1, a connecting seat 11 arranged on the clamping mechanism 16,

referring to fig. 2, the clamping mechanism 16 includes a slider 7, a threaded rod 8, a limiting plate 9, and support rods 10, the slider 7 is slidingly connected to the inside of the guide slot 6, the threaded rod 8 is rotationally connected to the inside of the mounting plate 1, the limiting plate 9 is fixedly connected to the threaded rod 8, the limiting plate 9 contacts the mounting plate 1, the threaded rod 8 can be limited by the design of the limiting plate 9, the threaded rod 8 is screwed to the inside of the slider 7, the support rods 10 are fixedly connected to one end of the slider 7, the number of the support rods 10 is two, the two support rods 10 are in contact with the mounting plate 1, the outside of the support rods 10 is slidingly sleeved with a connecting seat 11, the common mode filter body 3 can be clamped by the design of the clamping mechanism 16, the connecting seat 11 is provided with a limiting mechanism 17,

referring to fig. 2-3, the limiting mechanism 17 includes a limiting slot 12, a limiting pin 13, a spring 14, and a limiting frame 15, the inside of the connecting seat 11 is connected with the limiting pin 13 through threads, the supporting rod 10 is provided with the limiting slot 12, the inside of the limiting slot 12 is slidably connected with the limiting pin 13, the supporting rod 10 can be limited by the design of the limiting slot 12, the spring 14 is arranged on the outer side of the supporting rod 10, one end of the spring 14 contacts with the limiting pin 13, the other end of the spring 14 contacts with the supporting rod 10, the spring 14 contacts with the connecting seat 11, the limiting frame 15 can be driven to limit the common mode filter body 3 through the design of the spring 14, the lower end of the connecting seat 11 is fixedly connected with the limiting frame 15, the limiting frame 15 contacts with the common mode filter body 3, and the limiting mechanism 17 can limit the common mode filter body 3 according to the specification of the common mode filter body 3.

The specific implementation process of the utility model is as follows: when the common mode filter is used, the threaded rod 8 and the sliding block 7 are in threaded movement by rotating the threaded rod 8, so that the sliding block 7 drives the supporting rod 10 to move, the supporting rod 10 drives the connecting seat 11 to move, and the connecting seat 11 drives the limiting frame 15 to move until the limiting frame 15 is not contacted with the common mode filter body 3 any more, the limiting of the common mode filter body 3 can be relieved, and the common mode filter body 3 can be taken down for maintenance; during the reinstallation, the connecting block 4 on the common mode filter body 3 is matched with the connecting groove 5, then the limiting frame 15 is pulled towards the direction far away from the mounting plate 1, the spring 14 in the connecting seat 11 is compressed, the threaded rod 8 is reversed, the limiting frame 15 is reset, the limiting frame 15 is loosened after the limiting frame 15 is reset, the limiting frame 15 can clamp the common mode filter body 3 under the action of the elastic restoring force of the spring 14, the installation of the common mode filter body 3 is more stable, and the common mode filter body 3 cannot loose and fall under the action of external force.

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. A common mode filter with stable installation, comprising a mounting plate (1), characterized in that: fixedly connected with base (2) on mounting panel (1), common mode filter body (3) have been placed on base (2), common mode filter body (3) and mounting panel (1) contact, fixedly connected with connecting block (4) on common mode filter body (3), spread groove (5) have been seted up on mounting panel (1), the inside sliding connection of spread groove (5) has connecting block (4), guide way (6) have been seted up on mounting panel (1), be provided with fixture (16) on mounting panel (1), be provided with connecting seat (11) on fixture (16), be provided with stop gear (17) on connecting seat (11).

2. A mounting stable common mode filter according to claim 1, wherein: clamping mechanism (16) are including slider (7), threaded rod (8), limiting plate (9), bracing piece (10), the inside sliding connection of guide way (6) has slider (7), the inside rotation of mounting panel (1) is connected with threaded rod (8), the inside of slider (7) has threaded rod (8) through threaded connection, the one end fixedly connected with bracing piece (10) of slider (7), the quantity of bracing piece (10) is two, two bracing piece (10) all contact with mounting panel (1), connecting seat (11) have been cup jointed in the outside slip of bracing piece (10).

3. A mounting stable common mode filter according to claim 2, wherein: and the threaded rod (8) is fixedly connected with a limiting plate (9), and the limiting plate (9) is in contact with the mounting plate (1).

4. A mounting stable common mode filter according to claim 2, wherein: stop gear (17) are including spacing groove (12), spacing nail (13), spring (14), spacing (15), there is spacing nail (13) inside of connecting seat (11) through threaded connection, the outside of bracing piece (10) is provided with spring (14), the lower extreme fixedly connected with spacing (15) of connecting seat (11), spacing (15) contact with common mode filter body (3).

5. A mounting stable common mode filter according to claim 4, wherein: the support rod (10) is provided with a limit groove (12), and the inside of the limit groove (12) is connected with a limit nail (13) in a sliding manner.

6. A mounting stable common mode filter according to claim 4, wherein: one end of the spring (14) is contacted with a limit nail (13), the other end of the spring (14) is contacted with a supporting rod (10), and the spring (14) is contacted with the connecting seat (11).