CN219143922U

CN219143922U - Low-frequency common-mode inductance base

Info

Publication number: CN219143922U
Application number: CN202220591548.8U
Authority: CN
Inventors: 顾向东
Original assignee: Nanjing Ampere Electronic Technology Co ltd
Current assignee: Nanjing Ampere Electronic Technology Co ltd
Priority date: 2022-03-17
Filing date: 2022-03-17
Publication date: 2023-06-06
Anticipated expiration: 2032-03-17

Abstract

The utility model discloses a low-frequency common-mode inductance base, relates to the technical field of common-mode inductance installation, and aims to solve the problem that the existing base is easy to fall off due to the fact that the contact area of the common-mode inductance is small. One side of device base upper end is provided with first bracing piece, the outside of first bracing piece is provided with the restriction division board, one side of first bracing piece is provided with the second bracing piece, one side of the outside of second bracing piece is provided with first fixed threaded rod, the one end and the first bracing piece of first fixed threaded rod rotate to be connected, both ends all are provided with slip restriction piece around the restriction division board, restriction division board and slip restriction piece all with first bracing piece sliding connection, one side of slip restriction piece is provided with first restriction strip, the opposite side of restriction division board is provided with the second restriction strip, the inside upper end of device base is provided with the slip and accepts the chamber, one side of slip acceping the intracavity portion is provided with supporting baseplate.

Description

Low-frequency common-mode inductance base

Technical Field

The utility model relates to the technical field of common-mode inductor installation, in particular to a low-frequency common-mode inductor base.

Background

The common mode inductor is also called a common mode choke coil, is commonly used for filtering common mode electromagnetic interference signals in a switching power supply of a computer, and plays a role of EMI filtering in board card design and is used for inhibiting electromagnetic waves generated by a high-speed signal wire from radiating outwards, and in order to facilitate the installation of the common mode inductor in the installation process, a base is designed by people, so that the common mode inductor is installed.

However, the main function of the conventional common-mode inductance base in the use process is to fix the common-mode inductance, most of the common-mode inductance base is adhered and fixed on one side of the common-mode inductance base in the fixing process, and adhesion area is small due to adhesion and fixation on one side, so that falling off is easy to occur, the conventional requirement is not met, and the low-frequency common-mode inductance base is provided.

Disclosure of Invention

The utility model aims to provide a low-frequency common-mode inductance base, which solves the problem that the base and the common-mode inductance provided in the background art have small contact area and are easy to fall off.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a low frequency common mode inductance base, includes the device base, one side of device base upper end is provided with first bracing piece, and the lower extreme of first bracing piece and one side fixed connection of device base upper end, the outside of first bracing piece is provided with the restriction division board, one side of first bracing piece is provided with the second bracing piece, one side of the outside of second bracing piece is provided with first fixed threaded rod, and the outside and the second bracing piece screw thread fit of first fixed threaded rod, the one end and the first bracing piece rotation of first fixed threaded rod are connected, both ends all are provided with slip restriction piece around the restriction division board, and slip restriction piece and restriction division board fixed connection, restriction division board and slip restriction piece all with first bracing piece sliding connection.

Preferably, a first limiting strip is arranged on one side of the sliding limiting block, a second limiting strip is arranged on the other side of the limiting dividing plate, and the second limiting strip and the first limiting strip are fixedly connected with the limiting dividing plate.

Preferably, the upper end inside the device base is provided with the slip and accepts the chamber, the slip is acceptd one side of intracavity portion and is provided with supporting baseplate, supporting baseplate's both sides all are provided with the connecting block, the outside of connecting block is provided with the slide bar, and slide bar and connecting block sliding connection, the outside of slide bar is provided with reset spring.

Preferably, a pair of support frames are arranged at the front end and the rear end of the device base, the support frames are fixedly connected with the device base, a limiting plate is arranged on one side of the outer portion of each support frame, and the support frames are connected with the limiting plate in a rotating mode through a rotating shaft.

Preferably, a bearing groove is formed in one side of the support frame, and the bearing groove is in threaded fit with the limiting plate through a fixing bolt.

Preferably, the lower extreme of device base outside is provided with the connection pad, the inside both sides of connection pad all are provided with the slip chamber, and the outside in slip chamber is provided with the fixed threaded rod of second, and the fixed threaded rod of second and slip chamber screw-thread fit.

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

1. according to the utility model, the limiting division plate is arranged on one side of the outer part of the first support rod, the first fixed threaded rod is arranged at the upper end of the outer part of the limiting division plate, in the actual fixing process, the distance between the second support rod and the first support rod is adjusted by the rotation of the first fixed threaded rod according to the different sizes of the low-frequency common-mode inductors, one sides of the second support rod and one side of the first support rod can be attached to two sides of the installed low-frequency common-mode inductors, the attaching area is improved, the overall stability is improved, and the low-frequency common-mode inductors are prevented from falling off due to long-time use.

2. According to the utility model, the sliding accommodating cavity is arranged at the lower end of the inside of the base of the device, the supporting bottom plate is arranged outside the sliding accommodating cavity, the sliding rods are arranged on two sides of the outside of the supporting bottom plate, and in the actual installation process, the low-frequency common-mode inductors of different types are different in height, so that the device is prevented from being installed outside the base to generate bulges due to the fact that the heights of the low-frequency common-mode inductors are too high, the bulge positions are prevented from being damaged due to collision, the supporting bottom plate is accommodated in the sliding accommodating cavity, the bulge is prevented from being generated after the supporting bottom plate is accommodated, and the base is suitable for the low-frequency common-mode inductors of different sizes.

3. According to the utility model, the pair of supporting frames are arranged at the front end and the rear end of the base of the device, the limiting plates are arranged on one side of the outer part of the supporting frames, and in the actual use process, the cable of the low-frequency common-mode inductor arranged at the upper end can be fixed by limiting the cable through rotation of the limiting plates, so that the base and the low-frequency common-mode inductor are conveniently and conveniently arranged in a fixing mode, the installation efficiency is high, the installation stability is high, and the falling-off is avoided.

Drawings

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

FIG. 2 is a side view of the overall exterior structure of the present utility model;

FIG. 3 is an enlarged view of a portion of the area A of FIG. 1 in accordance with the present utility model;

fig. 4 is an enlarged view of a portion of the area B of fig. 2 in accordance with the present utility model.

In the figure: 1. a device base; 2. a first support bar; 3. a second support bar; 4. a first fixed threaded rod; 5. limiting the dividing plate; 6. a first restriction bar; 7. a second restriction bar; 8. a slide restricting block; 9. a fixing bolt; 10. a sliding accommodation chamber; a supporting base plate; 12. a connecting block; 13. a slide bar; 14. a return spring; 15. a second fixed threaded rod; 16. a connecting disc; 17. a sliding chamber; 18. a support frame; 19. a limiting plate; 20. a carrying groove; 21. and (3) rotating the shaft.

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.

Referring to fig. 1-4, an embodiment of the present utility model is provided: the utility model provides a low frequency common mode inductance base, including device base 1, one side of device base 1 upper end is provided with first bracing piece 2, and the lower extreme of first bracing piece 2 and one side fixed connection of device base 1 upper end, the outside of first bracing piece 2 is provided with restriction division board 5, one side of first bracing piece 2 is provided with second bracing piece 3, one side of the outside of second bracing piece 3 is provided with first fixed threaded rod 4, and the outside of first fixed threaded rod 4 and second bracing piece 3 screw-thread fit, the one end and the first bracing piece 2 rotation of first fixed threaded rod 4 are connected, both ends all are provided with slip restriction piece 8 around restriction division board 5, and slip restriction piece 8 and restriction division board 5 fixed connection, restriction division board 5 and slip restriction piece 8 all with first bracing piece 2 sliding connection.

Further, a first limiting bar 6 is provided on one side of the sliding limiting block 8, a second limiting bar 7 is provided on the other side of the limiting and dividing plate 5, the second limiting bar 7 and the first limiting bar 6 are fixedly connected with the limiting and dividing plate 5, and the first limiting bar 6 and the second limiting bar 7 limit the lateral movement of the limiting and dividing plate 5.

Further, the upper end inside the device base 1 is provided with a sliding accommodating cavity 10, one side inside the sliding accommodating cavity 10 is provided with a supporting bottom plate 11, two sides of the supporting bottom plate 11 are provided with connecting blocks 12, the outside of the connecting blocks 12 is provided with a sliding rod 13, the sliding rod 13 is in sliding connection with the connecting blocks 12, the outside of the sliding rod 13 is provided with a reset spring 14, and the supporting bottom plate 11 can adjust the installation angle of the low-frequency common mode inductance by sliding outside the sliding rod 13 through the connecting blocks 12.

Further, a pair of supporting frames 18 are arranged at the front end and the rear end of the device base 1, the supporting frames 18 are fixedly connected with the device base 1, a limiting plate 19 is arranged on one side outside the supporting frames 18, the supporting frames 18 are rotatably connected with the limiting plate 19 through a rotating shaft 21, and the limiting plate 19 is supported through the supporting frames 18.

Further, a bearing groove 20 is formed in one side of the inside of the supporting frame 18, the bearing groove 20 is in threaded fit with the limiting plate 19 through the fixing bolt 9, and the fixing can be completed through the fixing bolt 9 penetrating through the limiting plate 19 and being embedded into the bearing groove 20.

Further, the lower extreme outside of device base 1 is provided with connection pad 16, and the inside both sides of connection pad 16 all are provided with sliding chamber 17, and the outside in sliding chamber 17 is provided with second fixed threaded rod 15, and second fixed threaded rod 15 and sliding chamber 17 screw-thread fit, can make connection pad 16 vertical downward movement be convenient for raise the height of connection pad 16 through the rotation of second fixed threaded rod 15.

Working principle: when the device is used, in order to enable the connection between the low-frequency common mode inductance and the base to be stable in the fixing process, the rotation of the first fixing threaded rod 4 enables the second supporting rod 3 to generate relative motion with the first fixing threaded rod 4, the limiting of the limiting division plate 5 is followed by rotation to be converted into linear motion, the limiting division plate 5 is used for adjusting the distance between the second supporting rod 3 and the first supporting rod 2 in the transverse moving process of the outer part of the first supporting rod 2, the distance is adjusted to adapt to the low-frequency common mode inductance with different sizes, in order to enable the base to be suitable for the low-frequency common mode inductance with different heights integrally, in the fixing process, the supporting base plate 11 longitudinally slides downwards outside the sliding rod 13 through the connecting block 12 to adjust the embedding depth, the adjustment of the embedding depth avoids the low-frequency common mode inductance from containing a protruding position after being installed outside the base, in order to avoid the installation of cables outside the low-frequency common mode inductance, in the installation process, the cables are fixed at the front ends of the supporting frame 18 through the cables, and the limiting plates 19 are used for circle center rotation through the limiting plates 21 to rotate and then the cables are clamped with the base 1.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a low frequency common mode inductance base, includes device base (1), its characterized in that: one side of device base (1) upper end is provided with first bracing piece (2), and one side fixed connection of the lower extreme of first bracing piece (2) and device base (1) upper end, the outside of first bracing piece (2) is provided with restriction division board (5), one side of first bracing piece (2) is provided with second bracing piece (3), one side of second bracing piece (3) outside is provided with first fixed threaded rod (4), and the outside of first fixed threaded rod (4) and second bracing piece (3) screw thread fit, the one end and the first bracing piece (2) rotation of first fixed threaded rod (4) are connected, both ends all are provided with slip limiting block (8) around restriction division board (5), and slip limiting block (8) and restriction division board (5) fixed connection, restriction division board (5) and slip limiting block (8) all with first bracing piece (2) sliding connection.

2. A low frequency common mode inductance chassis according to claim 1, wherein: one side of the sliding limiting block (8) is provided with a first limiting strip (6), the other side of the limiting and dividing plate (5) is provided with a second limiting strip (7), and the second limiting strip (7) and the first limiting strip (6) are fixedly connected with the limiting and dividing plate (5).

3. A low frequency common mode inductance chassis according to claim 1, wherein: the device is characterized in that a sliding accommodating cavity (10) is formed in the upper end of the inside of the device base (1), a supporting bottom plate (11) is arranged on one side of the inside of the sliding accommodating cavity (10), connecting blocks (12) are arranged on two sides of the supporting bottom plate (11), a sliding rod (13) is arranged outside the connecting blocks (12), and the sliding rod (13) is in sliding connection with the connecting blocks (12).

4. A low frequency common mode inductance chassis according to claim 1, wherein: the device is characterized in that a pair of supporting frames (18) are arranged at the front end and the rear end of the device base (1), the supporting frames (18) are fixedly connected with the device base (1), a limiting plate (19) is arranged on one side outside the supporting frames (18), and the supporting frames (18) are rotatably connected with the limiting plate (19) through a rotating shaft (21).

5. The low frequency common mode inductance chassis of claim 4, wherein: one side of the inside of the supporting frame (18) is provided with a bearing groove (20), and the bearing groove (20) is in threaded fit with the limiting plate (19) through a fixing bolt (9).

6. A low frequency common mode inductance chassis according to claim 1, wherein: the device is characterized in that a connecting disc (16) is arranged at the lower end of the outer portion of the device base (1), sliding cavities (17) are formed in two sides of the inner portion of the connecting disc (16), a second fixed threaded rod (15) is arranged outside the sliding cavities (17), and the second fixed threaded rod (15) is in threaded fit with the sliding cavities (17).