CN218866843U

CN218866843U - Easy-to-assemble micro filter with connector

Info

Publication number: CN218866843U
Application number: CN202222878011.2U
Authority: CN
Inventors: 段晓波; 李应杰; 陆怡霖
Original assignee: Chengdu Hongming Electronics Co Ltd
Current assignee: Chengdu Hongming Electronics Co Ltd
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2023-04-14
Anticipated expiration: 2032-10-31

Abstract

The utility model discloses a take connector and miniature filter of equipment of being convenient for, include the wave filter casing and arrange in filtering inductor, filter circuit board, connector, jack cap in the wave filter casing, filtering inductor passes through the inductor mount and is connected with filter circuit board, the jack cap is installed on filter circuit board and corresponds with filter circuit board and be connected, the lower part of connector is the connector barrel, the upper end of connector barrel is equipped with the connection pad, the connection pad is passed to the upper end that is equipped with a plurality of vertical contact pins and a plurality of contact pins in the connector barrel, between connection pad and the filter circuit board, respectively through the screw connection between the bottom of connection pad and wave filter casing, insert in a plurality of jack caps of one-to-one from bottom to top respectively the upper end of a plurality of contact pins. The utility model discloses avoided being difficult to the problem of equipment in the wave filter casing to can realize the miniaturized function of whole wave filter, the concurrent operation is simpler, and the packaging efficiency is higher.

Description

Easy-to-assemble miniature filter with connector

Technical Field

The utility model relates to a wave filter especially relates to a take connector and be convenient for miniature wave filter of equipment.

Background

In general, the filter and the connector (referred to as an electrical connector, hereinafter the same) are separate and independent components, and in some applications, the two components need to be connected together, for example, in an electromagnetic compatibility test, a connector is often provided on a device under test, the connector is connected with the filter through a lead, and then the filter suppresses an interference signal of the device under test, and this method can solve the problem of electromagnetic compatibility of most products. However, in products where the interference with the device under test is significant or large, conductive and radiative interference may occur between the multiple leads between the connector and the filter, even because these leads may affect the electromagnetic compatibility of other modules.

In order to solve the above problems, it is an ideal option to mount a connector in a filter, but the conventional connector and the conventional filter are generally connected by welding a lead wire, which is cumbersome to operate, and if the connector and the conventional filter are connected by a conventional screw, not only nut fitting is required, which increases the occupied space, but also assembly operation needs to be performed inside the filter housing, and the operation is very difficult in the case of a small size of the filter housing.

SUMMERY OF THE UTILITY MODEL

An object of the present invention is to provide a micro filter with a connector which is easy to assemble.

The utility model discloses a following technical scheme realizes above-mentioned purpose:

the utility model provides a take connector and miniature filter convenient to equipment, includes the wave filter casing and arranges in filtering inductor, filter circuit board, connector in the wave filter casing, the one end opening of wave filter casing uses this end to install in this end as upper end and horizontal apron, the one end of the coil of filtering inductor with the corresponding through-hole on the apron is arranged in outside the wave filter casing, filtering inductor pass through the inductor mount with filter circuit board connects, filter circuit board is located filter inductor's below, the connector is located filter circuit board's below, the bottom of wave filter casing is equipped with vertical through-hole just a subsection of connector passes this vertical through-hole from top to bottom, the miniature filter of taking connector and being convenient for equipment still includes upper end closed, lower extreme open-ended jack cap, and is a plurality of jack cap is installed on the filter circuit board and with filter circuit board corresponds the connection, the lower part of connector is the connector barrel, the upper end of connector barrel is equipped with the connection pad, the external diameter of connection pad is greater than the external diameter of connector barrel, be equipped with a plurality of vertical contact pin and a plurality of jack cap and a plurality of jack screw pass between the upper end of connector pad and the vertical through-hole cap of connector and the connector of connector shell, the upper end screw pass through-hole cap one-by-up respectively the connection pad of filter casing.

As preferred, for the convenience of installing the jack cap, be equipped with a plurality of vertical jack cap mounting holes that link up on the filter circuit board, it is a plurality of the jack cap passes a plurality of one-to-one respectively the jack cap mounting hole, the pore wall of jack cap mounting hole is equipped with the spacing groove of a plurality of vertical and indents along circumference, the outer wall lower part of jack cap is equipped with a plurality of vertical and downwardly extending's spacing strip along circumference, a plurality of spacing strips of jack cap are arranged in respectively and are corresponded a plurality of spacing inslots of jack cap mounting hole. A plurality of limiting strips of the jack cap and the filter circuit board can be connected in a welding mode according to requirements.

Preferably, in order to facilitate installation of the filter inductor and connection with the filter circuit board, the inductor fixing frame comprises an upper insulating table, a lower insulating table and a first insulating tube, a lower end boss of the upper insulating table is arranged at the upper part in a central through hole of the filter inductor, an upper end boss of the lower insulating table is arranged at the lower part in the central through hole of the filter inductor, the inner wall of the vertical first insulating tube is provided with threads, the first insulating tube is positioned between a lower end boss of the upper insulating table and an upper end boss of the lower insulating table, a first connecting screw penetrates through a corresponding through hole in the lower end boss of the upper insulating table from top to bottom and then is in threaded connection with the inner wall of the upper part of the first insulating tube, another first connecting screw penetrates through a corresponding through hole in the upper end boss of the lower insulating table from bottom to top and then is in threaded connection with the inner wall of the lower part of the first insulating tube, and a plurality of second connecting screws penetrate through a plurality of corresponding through holes in the edge positions on the filter circuit board from bottom to top and then are connected with a plurality of corresponding screw holes in the edge positions in the lower insulating table.

Preferably, in order to facilitate reliable connection of the filter circuit board and the connection pad and enable the filter circuit board and the connection pad to be kept at a certain interval and reliably insulated, the filter circuit board is provided with a plurality of vertical second insulation tubes between the connection pad, the inner wall of each second insulation tube is provided with threads, a plurality of third connecting screws penetrate through a plurality of corresponding through holes close to the edge position on the filter circuit board from top to bottom and then are in threaded connection with the upper inner wall of the second insulation tube, and the other third connecting screws penetrate through a plurality of corresponding through holes on the connection pad from bottom to top and then are in threaded connection with the lower inner wall of the second insulation tube.

Preferably, in order to facilitate the connection of the connection pad and the filter housing, a plurality of fourth connection screws penetrate through a plurality of corresponding through holes at the bottom of the filter housing near the edge from bottom to top and are connected with a plurality of corresponding screw holes on the connection pad.

Preferably, in order to reliably connect the cover plate and the filter housing, the upper inner wall of the filter housing is provided with a depressed step and the edge of the cover plate is placed in the depressed step and is laser welded.

Preferably, in order to facilitate the installation of the filter, a plurality of installation holes are formed at the bottom of the filter housing near the edge.

The beneficial effects of the utility model reside in that:

the utility model discloses a pass through the inductor mount with filter inductor and be connected with filter circuit board, between connection pad and the filter circuit board of connector, design respectively for screw connection structure between connection pad and the bottom of filter housing, can accomplish filter inductor earlier outside filter housing, equipment between filter circuit board and the connector, then wholly arrange filter housing in and through the screw connection again, the problem that is difficult to the equipment in filter housing has so been avoided, thereby can realize the miniaturized function of whole wave filter, and simultaneously, through increasing the jack cap and be connected with filter circuit board, the quick plug-in connection between connector and the filter circuit board has been realized, the trouble problem of taking time of operation through the pin connection has been avoided, the operation is simpler, the packaging efficiency is higher.

Drawings

Fig. 1 is an exploded perspective view of the inventive miniature filter with connector and easy assembly, with the filter housing and cover removed, showing a top view;

FIG. 2 is a second exploded perspective view of the inventive miniature filter with connectors and easy assembly, with the filter housing and cover removed, shown from the bottom;

FIG. 3 is a perspective view of the inventive miniature filter with connectors and easy assembly, with the filter housing and cover removed, shown from a bottom view;

FIG. 4 is a perspective view of the inventive microfilter with connectors and easy assembly, shown from a bottom perspective;

FIG. 5 is a front cross-sectional view of the assembled micro-filter with connectors of the present invention for easy assembly;

fig. 6 is a sectional view of the assembled micro filter with connectors according to the present invention, showing a top view.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

as shown in fig. 1-6, the miniature filter with connector of the present invention comprises a filter housing 18, a filter inductor 3 disposed in the filter housing 18, a filter circuit board 11, a connector 15, and a plug cap 6, wherein one end of the filter housing 18 is open and a cover plate 16 having the end as an upper end and being horizontal is mounted at the end, one end of a coil of the filter inductor 3 is correspondingly connected to the filter circuit board 11 (not shown in the figures and having a conventional structure), the other end of the coil passes through a corresponding through hole 17 of the cover plate 18 and is disposed outside the filter housing 18 (not shown in the figures and having a conventional structure), the filter inductor 3 is connected to the filter circuit board 11 through an inductor fixing frame, the filter circuit board 11 is disposed below the filter inductor 3, the connector 15 is disposed below the filter circuit board 11, a vertical through hole 20 is disposed at the bottom of the filter housing 18, a plurality of plug caps 6 (4 in the figures) having a closed upper end and an open lower end are mounted on the filter circuit board 11 and are correspondingly connected to the filter circuit board 11, a connector cylinder (not separately marked in the figures), the upper end of the connector cylinder is provided with a connecting disc (not separately marked in the figure), the outer diameter of the connecting disc is larger than that of the connector cylinder, a plurality of (4 in the figure) vertical pins 14 are arranged in the connector cylinder body, the upper ends of the pins 14 penetrate through the connecting disc, the connector barrel penetrates through a vertical through hole 20 in the bottom of the filter shell 18 from top to bottom, the connecting disc and the filter circuit board 11 and the bottom of the filter shell 18 are connected through screws respectively, and the upper ends of the pins 14 are inserted into the corresponding pin hole caps 6 from bottom to top respectively.

As shown in fig. 1-6, the present invention also discloses the following various more optimized specific structures:

in order to facilitate installation of the jack cap 6, a plurality of (4 in the figure) vertically-through jack cap mounting holes 9 are formed in the filter circuit board 11, the plurality of jack caps 6 penetrate the plurality of jack cap mounting holes 9 in one-to-one correspondence respectively, a plurality of (4 in the figure) vertical and inward-concave limiting grooves 10 are formed in the hole wall of the jack cap mounting holes 9 along the circumferential direction, a plurality of (4 in the figure) vertical and downward-extending limiting strips 7 are formed in the lower portion of the outer wall of the jack cap 6 along the circumferential direction, and the plurality of limiting strips 7 of the jack cap 6 are arranged in the plurality of limiting grooves 10 of the corresponding jack cap mounting holes 9 respectively.

In order to facilitate installation of the filter inductor 3 and connection with the filter circuit board 11, the inductor fixing frame comprises an upper insulating table 2, a lower insulating table 5 and a first insulating tube 4, a boss at the lower end of the upper insulating table 2 is arranged at the upper part in a central through hole of the annular filter inductor 3, a boss at the upper end of the lower insulating table 5 is arranged at the lower part in the central through hole of the filter inductor 3, threads are arranged on the inner wall of the vertical first insulating tube 4, the first insulating tube 4 is positioned between a boss at the lower end of the upper insulating table 2 and a boss at the upper end of the lower insulating table 5, one first connecting screw 1 penetrates through a corresponding through hole on the boss at the lower end of the upper insulating table 2 from top to bottom and then is in threaded connection with the inner wall at the upper part of the first insulating tube 4, and a plurality of (4 in the figure) second connecting screws 8 penetrate through a plurality (4 in the figure) of corresponding through holes at positions on the filter circuit board 11 close to the edge from bottom to top and then are in a plurality of screw holes (4 in the figure) close to the edge position of the lower insulating table 5.

In order to facilitate reliable connection of the filter circuit board 11 and the connection pad and enable the filter circuit board 11 and the connection pad to be reliably insulated and keep a certain distance therebetween, a plurality of (4 in the figure) vertical second insulation tubes 13 are arranged between the filter circuit board 11 and the connection pad, threads are arranged on the inner walls of the second insulation tubes 13, a plurality of (4 in the figure) third connection screws 12 penetrate through a plurality of (4 in the figure) corresponding through holes on the filter circuit board 11, which are close to the edge positions, from top to bottom and then are in threaded connection with the upper inner walls of the plurality of second insulation tubes 13, and another plurality of (4 in the figure) third connection screws 12 penetrate through a plurality of (4 in the figure) corresponding through holes on the connection pad from bottom to top and then are in threaded connection with the lower inner walls of the plurality of second insulation tubes 13.

In order to facilitate the connection of the connection pad and the filter housing 18, a plurality of (4 in the figure) fourth connection screws 19 pass through a plurality of (4 in the figure) corresponding through holes near the edge of the bottom of the filter housing 18 from bottom to top and then are connected with a plurality of (4 in the figure) corresponding screw holes on the connection pad.

For a reliable connection of the cover plate 16 and the filter housing 18, the upper inner wall of the filter housing 18 is provided with a sunken step and the edge of the cover plate 16 is placed in the sunken step and is laser welded.

To facilitate mounting of the filter, a plurality (4 in the figure) of mounting holes 21 are provided in the bottom of the filter housing 18 near the edges.

As shown in fig. 1-6, during assembly, the upper insulating stage 2, the lower insulating stage 5, the first insulating tube 4 and the filter inductor 3 are connected correspondingly, the plurality of pin caps 6 are mounted on the filter circuit board 11 and are welded correspondingly, the lower insulating stage 5 and the filter circuit board 11 are connected well, the connector 15 and the filter circuit board 11 are connected well, the upper ends of the plurality of pins 14 are inserted into the plurality of pin caps 6 correspondingly, so that the assembly of the connector 15 and the main filter device is completed, the whole process is performed outside the filter housing 18, the lower end of the connector 15 is placed in the filter housing 18, the lower ends of the filter cylinder and the pins 14 pass through the vertical through holes 20 at the bottom of the filter housing 18, the fourth connecting screws 19 pass through the corresponding through holes at the bottom of the filter housing 18 from bottom to top and then are connected with the corresponding screw holes on the connecting pad, and finally the cover plate 16 is placed in the sinking step of the filter housing 18 and is welded by laser, so that the assembly of the whole filter is completed.

When the filter is applied, the filter can be connected with a mounting plate (not shown in the figure) through the mounting holes 21 at the bottom of the filter shell 18, then the mounting plate is connected with other components, and the lower ends of the pins 14 are correspondingly connected with other components in an inserting manner, so that the function of quickly connecting the filter with other components is realized.

The above-mentioned embodiment is only the preferred embodiment of the present invention, and is not to the limitation of the technical solution of the present invention, as long as the technical solution can be realized on the basis of the above-mentioned embodiment without creative work, all should be regarded as falling into the protection scope of the right of the present invention.

Claims

1. The utility model provides a take connector and be convenient for miniature filter of equipment, includes the filter housing and arranges in filter inductor, filter circuit board, connector in the filter housing, the one end opening of filter housing uses this end to install in this end for upper end and horizontal apron, the one end of filter inductor's coil with filter circuit board corresponds to be connected, the other end passes corresponding through-hole on the apron and place in outside the filter housing, filter inductor pass through the inductor mount with filter circuit board connects, filter circuit board is located filter inductor's below, the connector is located filter circuit board's below, the bottom of filter housing is equipped with vertical through-hole just this vertical through-hole is passed from top to bottom to a subsection of connector, its characterized in that: the miniature filter with the connector and convenient to assemble further comprises a jack cap with a closed upper end and an open lower end, the jack cap is installed on the filter circuit board and is correspondingly connected with the filter circuit board, the lower portion of the connector is a connector barrel, a connecting disc is arranged at the upper end of the connector barrel, the outer diameter of the connecting disc is larger than that of the connector barrel, a plurality of vertical contact pins and a plurality of vertical contact pins are arranged in the connector barrel, the upper ends of the contact pins penetrate through the connecting disc, the connector barrel penetrates through the vertical through holes in the bottom of the filter shell from top to bottom, the connecting disc and the filter circuit board are connected through screws respectively, and the upper ends of the contact pins are inserted into the jack cap from bottom to top respectively.

2. The connectorized microfilter of claim 1 for ease of assembly, wherein: be equipped with a plurality of vertical jack cap mounting holes that link up on the filter circuit board, it is a plurality of the jack cap passes a plurality of one-to-one respectively the jack cap mounting hole, the pore wall of jack cap mounting hole is equipped with the spacing groove of a plurality of vertical and indents along circumference, the outer wall lower part of jack cap is equipped with a plurality of vertical and downwardly extending's spacing strip along circumference, a plurality of spacing strips of jack cap are arranged in respectively and are corresponded a plurality of spacing inslots of jack cap mounting hole.

3. The connector-equipped and assembly-facilitated microfilter according to claim 1 or 2, wherein: the inductor mount includes last insulating platform, lower insulating platform and first insulating tube, the lower extreme boss of going up the insulating platform arranges annular upper portion in the central through-hole of filter inductor, the upper end boss of insulating platform is arranged in down lower part in the central through-hole of filter inductor, it is vertical the inner wall of first insulating tube is equipped with the screw thread, first insulating tube is located the lower extreme boss of going up the insulating platform with between the upper end boss of insulating platform down, a first connecting screw from top to bottom pass behind the corresponding through-hole on the lower extreme boss of going up the insulating platform with the upper portion inner wall threaded connection of first insulating tube, another first connecting screw passes from bottom to top behind the corresponding through-hole on the upper end boss of insulating platform down with the lower part inner wall threaded connection of first insulating tube, a plurality of second connecting screws pass respectively from bottom to top behind a plurality of corresponding through-holes that are close to the border position on the filter circuit board with a plurality of corresponding screw holes that are close to the border position down are connected.

4. The belt connector and assembly-facilitating micro-filter as claimed in claim 1 or 2, wherein: the filter circuit board with be equipped with a plurality of vertical second insulating tubes just between the connection pad the inner wall of second insulating tube is equipped with the screw thread, and a plurality of third connecting screw from top to bottom pass filter circuit board is last be close to behind a plurality of corresponding through-holes of border position with a plurality of the upper portion inner wall threaded connection of second insulating tube, and is a plurality of in addition the third connecting screw passes from bottom to top behind a plurality of corresponding through-holes on the connection pad with a plurality of the lower part inner wall threaded connection of second insulating tube.

5. The connector-equipped and assembly-facilitated microfilter according to claim 1 or 2, wherein: and a plurality of fourth connecting screws penetrate through a plurality of corresponding through holes at the bottom of the filter shell close to the edge from bottom to top and then are connected with a plurality of corresponding screw holes on the connecting disc.

6. The belt connector and assembly-facilitating micro-filter as claimed in claim 1 or 2, wherein: the inner wall of the upper part of the filter shell is provided with a sinking step, the edge of the cover plate is arranged in the sinking step and is welded by laser.

7. The belt connector and assembly-facilitating micro-filter as claimed in claim 1 or 2, wherein: and a plurality of mounting holes are formed in the bottom of the filter shell close to the edge.