CN218679658U

CN218679658U - Filtering circuit board

Info

Publication number: CN218679658U
Application number: CN202221768914.9U
Authority: CN
Inventors: 黄祖嘉
Original assignee: Putian Jiayi Technology Co ltd
Current assignee: Putian Jiayi Technology Co ltd
Priority date: 2022-07-11
Filing date: 2022-07-11
Publication date: 2023-03-21
Anticipated expiration: 2032-07-11

Abstract

The utility model discloses a filter circuit board, including filter circuit board and mounting bracket, its technical scheme main points include that the mounting bracket is square frame structure, it is fixed to be equipped with spacing hornblock to lie in four edges on the mounting bracket, the mounting bracket inner wall is located the fixed block that is equipped with in four edges, the fixed pressure spring that is equipped with on the fixed block, pressure spring keeps away from the one end fixedly connected with of fixed block and places the piece, the symmetry is opened on the relative lateral wall of two spacing hornblocks has the restriction piece groove, restriction piece inslot elastic connection has the restriction piece, filter circuit board is located between the spacing hornblock and places the piece and restrict between the piece, mounting bracket outer wall symmetry is opened has four otic placode grooves, otic placode inslot elastic connection has the otic placode, it has the through-hole to open on the otic placode, the utility model discloses make filter circuit board make things convenient for the dismouting, it is convenient for the maintenance, bradyseism otic placode and pressure spring make filter circuit board receive the buffering when receiving the striking, avoid filter circuit board's damage.

Description

Filtering circuit board

Technical Field

The utility model relates to a circuit board technical field specifically is a filter circuit board.

Background

The filter circuit is usually used to filter out ripples in the rectified output voltage, and generally comprises a reactance element, such as a capacitor C connected in parallel to two ends of a load resistor or an inductor L connected in series with the load, and various complex filter circuits formed by capacitors and inductors, wherein the filter circuit board is in the form of a filter circuit board and is used to prevent electromagnetic waves possibly generated when a plurality of electronic devices are used from affecting the operation efficiency of other devices, the filter circuit board is generally directly and rigidly mounted in a chassis, and rigid force transmitted to the circuit board when the chassis is toppled or impacted may cause damage to the filter circuit board.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a filter circuit board to solve above-mentioned technical problem.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a filter circuit board, includes filter circuit board and mounting bracket, the mounting bracket is square frame structure, it is fixed to be equipped with spacing hornblock to lie in four edges on the mounting bracket, the mounting bracket inner wall is located the fixed block that is equipped with in four edges, the fixed pressure spring that is equipped with on the fixed block, pressure spring keeps away from the one end fixedly connected with of fixed block places the piece, two the symmetry is opened on the relative lateral wall of spacing hornblock has the restriction piece groove, restriction piece inslot elastic connection has the restriction piece, filter circuit board arranges in lie in between the spacing hornblock place between piece and the restriction piece, mounting bracket outer wall symmetry is opened four otic placode grooves, otic placode inslot elastic connection has the otic placode, it has the through-hole to open on the otic placode.

Preferably, the otic placode inslot is fixed and is equipped with the bradyseism spring, the bradyseism spring with otic placode fixed connection, the otic placode with otic placode groove sliding connection, otic placode groove both sides wall runs through to open has first spacing groove, first spacing inslot slides and is equipped with the first stopper with otic placode both sides wall fixed connection.

Preferably, a guide shaft is fixedly arranged on the fixing block, a guide shaft groove for inserting the guide shaft is formed in the placing block, and the pressing spring is sleeved outside the guide shaft.

Preferably, the limiting block groove is internally fixedly provided with an expansion spring, the expansion spring is fixedly connected with one end of the limiting block, which is located in the limiting block groove, the limiting block is slidably connected with the limiting block groove, two side walls of the limiting block groove penetrate through a second limiting groove, and a second limiting block fixedly connected with two side walls of the limiting block is slidably arranged in the second limiting groove.

Preferably, the limiting block is a wedge-shaped block and inclines downwards at an angle, a rubber pad is arranged on the surface of the limiting block opposite to the placing block, and the placing block is attached to the inner wall of the limiting corner block.

Preferably, the filter circuit board is attached to the inner wall of the limiting corner block.

Compared with the prior art, the beneficial effects of the utility model are that: through the arrangement of the cushioning spring, the lug plate groove and the lug plate, the horizontal cushioning force can be given to the filter circuit board when the filter circuit board is impacted, and the damage to the filter circuit board is reduced; through the arrangement of the limiting block, the limiting block groove, the telescopic spring, the placing block, the guide shaft groove, the compression spring and the limiting angle block, the filter circuit board is convenient to disassemble and assemble, and can give a buffering force to the filter circuit board in the vertical direction when being impacted, so that the damage to the filter circuit board is reduced; the utility model discloses can make the effective bradyseism of filter circuit board, reduce the injury of striking to filter circuit board, and easy dismounting, be convenient for maintain and safeguard.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is an assembly view of a circuit board of the mount of the present embodiment;

FIG. 2 is a schematic structural view of the mounting frame of the present embodiment;

FIG. 3 is a cross-sectional view of the mounting bracket of the present embodiment taken from above the ear plate;

FIG. 4 is a sectional view of the mount of the present embodiment taken along the front-view guide shaft;

FIG. 5 is a cross-sectional view of the mount of the present embodiment looking down on the limiting block;

fig. 6 is an enlarged view of the embodiment a.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a filter circuit board; 2. a mounting frame; 3. an ear plate; 4. a through hole; 5. an ear plate groove; 6. a cushioning spring; 7. a first limit groove; 8. a first stopper; 9. a fixed block; 10. a compression spring; 11. a guide shaft; 12. a guide shaft groove; 13. placing the blocks; 14. limiting the corner block; 15. a limiting block; 16. a limiting block groove; 17. a tension spring; 18. a second limit groove; 19. and a second limiting block.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a filter circuit board, including filter circuit board 1 and mounting bracket 2, mounting bracket 2 is square frame structure, it is fixed to be equipped with spacing hornblock 14 to lie in four edges on the

mounting bracket

2, 2 inner walls of mounting bracket are located the fixed block 9 that is equipped with in four edges, the fixed pressure spring 10 that is equipped with on the fixed block 9, the one end fixedly connected with that fixed block 9 was kept away from to pressure spring 10 places piece 13, the symmetry is opened on the relative lateral wall of two spacing hornblocks 14 has restriction piece groove 16, elastic connection has restriction piece 15 in restriction piece groove 16, filter circuit board 1 is arranged in and is located between the spacing hornblock 14 and place piece 13 and

restriction piece

15, 2 outer wall symmetries of mounting bracket are opened four otic placode grooves 5, elastic connection has otic placode 3 in the otic placode groove 5, it has through-hole 4 to open on the otic placode 3.

Concretely, otic placode inslot 5 internal fixation is equipped with bradyseism spring 6,

bradyseism spring

6 and 3 fixed connection of otic placode,

otic placode

3 and 5 sliding connection in otic placode groove, when the case receives the striking, the rigidity power of bradyseism spring 6 buffering striking, make otic placode 3 make a round trip to slide in otic placode groove 5 and reduce the impact that filter circuit board 1 received, reduce filter circuit board 1's damage, 5 both sides walls in otic placode groove run through to open there is first spacing groove 7, it is equipped with first stopper 8 with 3 both sides wall fixed connection of otic placode to slide in first spacing groove 7, avoid 3 roll-off otic placode grooves 5 of otic placode.

Specifically, a guide shaft 11 is fixedly arranged on the fixing block 9, a guide shaft groove 12 for inserting the guide shaft 11 is formed in the placing block 13, the pressing spring 10 is sleeved outside the guide shaft 11, and the guide shaft 11 is slightly inserted into the guide shaft groove 12 in a natural state of the pressing spring 10, so that the guide shaft 11 can be smoothly inserted into the guide shaft groove 12, and the elastic force of the pressing spring 10 is kept in the axial direction.

Specifically, an expansion spring 17 is fixedly arranged in a limiting block groove 16, the expansion spring 17 and a limiting block 15 are fixedly connected with one end of the limiting block 15 in the limiting block groove 16, the limiting block 15 is slidably connected with the limiting block groove 16, force is applied to the limiting block 15, the limiting block 15 is stressed to compress the expansion spring 17 to enable the limiting block 15 to slide into the limiting block groove 16, the filter circuit board 1 can slide down from the inner wall of the limiting corner block 14 until the limiting block 13 is placed, after the limiting block 15 is not subjected to the action of external force, the limiting block 15 slides out of the limiting block groove 16 under the action of the elastic force of the expansion spring 17 to limit the filter circuit board 1, second limiting grooves 18 are formed in two side walls of the limiting block groove 16 in a penetrating mode, second limiting blocks 19 fixedly connected with two side walls of the limiting block 15 are slidably arranged in the second limiting grooves 18, and the limiting block 15 is prevented from sliding out of the limiting block groove 16 to influence on the installation of the filter circuit board 1.

Specifically, restriction piece 15 is wedge and angle downward sloping, with filter circuit board 1 along spacing horn block 14 inner wall gliding during installation filter circuit board 1, restriction piece 15's wedge surface atress compression expanding spring 17 makes restriction piece 15 slide in restriction piece groove 16, the installation of filter circuit board 1 of being convenient for, restriction piece 15 with place and be equipped with the rubber pad on the relative face of piece 13, avoid restriction piece 15 and place piece 13 and cause the damage to filter circuit board 1, place piece 13 and the subsides of spacing horn block 14 inner wall, the messenger places piece 13 and keeps the steady slip.

Specifically, the filter circuit board 1 is attached to the inner wall of the limiting corner block 14, so that the filter circuit board 1 is fixed more stably.

One specific application example of this embodiment is:

when the device is used, the filter circuit board 1 slides in along the inner wall of the limiting corner block 14, when the filter circuit board 1 touches the limiting block 15, the limiting block 15 is stressed to compress the telescopic spring 17 to enable the limiting block 15 to slide into the limiting block groove 16, the filter circuit board 1 can continuously slide downwards to be contacted with the placing block 13, the placing block 13 is stressed to compress the pressing spring 10 to slide downwards, after the filter circuit board 1 slides over the limiting block 15, the limiting block 15 slides out of the limiting block groove 16 under the elastic force action of the telescopic spring 17, the sliding of the filter circuit board 1 is stopped, under the elastic force action of the pressing spring 10, the placing block 13 drives the filter circuit board 1 to slide upwards until the placing block 1 is contacted with the bottom surface of the limiting block 15, the filter circuit board 1 can be installed simply and quickly, the installation frame 2 can be fixed in a case through the through holes 4 in the lug plates 3, when the case is impacted, the cushioning spring 6 gives a horizontal buffer force to the filter circuit board 1, the pressing spring 10 gives a buffer force in the vertical direction of the filter circuit board 1, the filter circuit board 1 is not rigid force, the filter circuit board 1 is convenient to be maintained, the filter circuit board 1 can be maintained, and the filter circuit board can be maintained, the limiting block 15 can be removed, and the filter circuit board can be maintained, and the filter circuit board 1 can be maintained, and the limiting block 16 can be removed.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like indicate orientations or positional relationships based on the drawings, and are merely for convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted", "disposed", "connected", "fixed", "screwed" and the like are to be understood broadly, and may be, for example, a fixed connection, a detachable connection, or an integral body; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it would be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the claims and their equivalents.

Claims

1. A filter circuit board, includes filter circuit board (1) and mounting bracket (2), its characterized in that: mounting bracket (2) are square frame structure, it is fixed to be equipped with spacing hornblock (14) to lie in four edges on mounting bracket (2), mounting bracket (2) inner wall is located fixed block (9) that is equipped with in four edges, fixed compressed spring (10) of being equipped with on fixed block (9), compressed spring (10) are kept away from the one end fixedly connected with of fixed block (9) places piece (13), two the symmetry is opened on the relative lateral wall of spacing hornblock (14) has restriction piece groove (16), elastic connection has restriction piece (15) in restriction piece groove (16), filter circuit board (1) are arranged in be located between spacing hornblock (14) place between piece (13) and restriction piece (15), mounting bracket (2) outer wall symmetry is opened four otic placode grooves (5), elastic connection has otic placode (3) in otic placode groove (5), it has through-hole (4) to open on otic placode (3).

2. A filter circuit board according to claim 1, wherein: the utility model discloses a damping device, including otic placode groove (5), otic placode groove (5) internal fixation is equipped with bradyseism spring (6), bradyseism spring (6) with otic placode (3) fixed connection, otic placode (3) with otic placode groove (5) sliding connection, otic placode groove (5) both sides wall runs through to be opened has first spacing groove (7), slide in first spacing groove (7) and be equipped with first stopper (8) with otic placode (3) both sides wall fixed connection.

3. A filter circuit board according to claim 1, wherein: fixed being equipped with guiding axle (11) on fixed block (9), it is used for to place to open on piece (13) guiding axle groove (12) that guiding axle (11) are inserted, outside guiding axle (11) were located in compression spring (10) cover.

4. A filter circuit board according to claim 1, wherein: restriction piece groove (16) internal fixation is equipped with expanding spring (17), expanding spring (17) with restriction piece (15) are located the one end fixed connection in restriction piece groove (16), restriction piece (15) with restriction piece groove (16) sliding connection, restriction piece groove (16) both sides wall runs through to open has second spacing groove (18), slide in second spacing groove (18) be equipped with restriction piece (15) both sides wall fixed connection's second stopper (19).

5. The filter circuit board of claim 4, wherein: the limiting block (15) is a wedge-shaped block and inclines downwards at an angle, a rubber pad is arranged on the limiting block (15) and the surface opposite to the placing block (13), and the placing block (13) is attached to the inner wall of the limiting angle block (14).

6. A filter circuit board according to claim 1, wherein: the filter circuit board (1) is attached to the inner wall of the limiting corner block (14).