CN210896951U

CN210896951U - Anti-shielding filter

Info

Publication number: CN210896951U
Application number: CN201921568474.0U
Authority: CN
Inventors: 马国强; 翟振卫; 王先权; 苏相河; 张金锁
Original assignee: Huizhou U&t Electronics Co ltd
Current assignee: Huizhou U&t Electronics Co ltd
Priority date: 2019-09-19
Filing date: 2019-09-19
Publication date: 2020-06-30
Anticipated expiration: 2029-09-19

Abstract

The utility model discloses a prevent shielded wave filter, including the wave filter body, connect pin and shield cover, connect the pin including the connection body of rod, the grafting body of rod and the location body of rod, the first end of the connection body of rod is connected with the stiff end of the grafting body of rod, and the second end of the connection body of rod sets up on the location body of rod, and the one end that the connection body of rod was kept away from to the location body of rod sets up on the wave filter body, and the location body of rod includes fixed part and bellying, and the fixed part sets up between the wave filter body and the connection body. The utility model relates to an anti-shielding filter, which can have stronger shielding capability and anti-interference capability by arranging a shielding cover; and be provided with the location body of rod on connecting the pin, be equipped with the bellying on the location body of rod, can guarantee that each male connection pin can accurately reach the position of settlement, avoid appearing the condition that the male pin length is different, improve the structural stability of wave filter and the stability of electricity connection.

Description

Anti-shielding filter

Technical Field

The utility model relates to a wave filter structure field especially relates to a prevent shielded wave filter.

Background

A filter is a frequency-selective device that passes certain frequency components of a signal while significantly attenuating other frequency components. By using the frequency selection function of the filter, interference noise can be filtered out or spectrum analysis can be carried out. In other words, any device or system that can pass a specific frequency component of a signal and greatly attenuate or suppress other frequency components is called a filter. The filter is a device for filtering waves. "wave" is a very broad physical concept, and in the field of electronics, is narrowly limited to refer specifically to processes that describe the variation of values of various physical quantities over time. This process is converted into a time function of voltage or current, called time waveform of various physical quantities, or called signal, by the action of various sensors. Since the argument time is continuously valued, it is called a continuous time signal, which is also conventionally called an analog signal.

However, the existing filter structure is not provided with an anti-shielding device, so that the existing filter has poor anti-interference capability and anti-shielding capability; in addition, in the existing filter structure, the connection pins need to be inserted, but the structure of the connection pins is relatively straight and is not fixed to a fixed position, so that the lengths of the inserted connection pins are different, and the stability of electric connection of the filter is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the weak point among the prior art, providing a prevent shielded wave filter, having stronger shielding ability and interference killing feature to its connection pin has location structure, can guarantee that each male connection pin can accurately reach the position of settlement, avoids appearing the different condition of male pin length, improves the structural stability of wave filter and the stability of electricity connection.

The purpose of the utility model is realized through the following technical scheme:

an anti-blocking filter comprising:

the filter body is provided with a plurality of filter holes,

the filter comprises a filter body, a connecting pin and a positioning pin, wherein the connecting pin comprises a connecting rod body, an inserting rod body and a positioning rod body, the first end of the connecting rod body is connected with the fixed end of the inserting rod body, the second end of the connecting rod body is arranged on the positioning rod body, one end, far away from the connecting rod body, of the positioning rod body is arranged on the filter body, the positioning rod body comprises a fixing part and a protruding part, the fixing part is arranged between the filter body and the connecting rod body, and the protruding part is arranged on the fixing part; and

the shielding case, the shielding case includes apron, shielding shell and supporting component, the apron set up in on the shielding shell, the supporting component set up in the shielding shell is kept away from on the side of apron, the holding cavity has been seted up on the shielding shell, the wave filter body install in the holding cavity, the inside wall of holding cavity attached in on the lateral wall of wave filter body.

In one embodiment, the connecting pins are provided in plural, and the plural connecting pins are arranged on the filter body in two rows.

In one embodiment, the connection portion of the insertion rod and the connection rod is provided with a clamping groove, and the clamping groove is used for being clamped on an external circuit board.

In one embodiment, the plugging rod body is provided with a tip end, and the tip end is positioned at one end of the plugging rod body far away from the clamping groove.

In one embodiment, the support assembly includes a plurality of support legs, and each support leg is disposed on the shielding shell.

In one embodiment, four supporting legs are provided, and the four supporting legs are respectively arranged on the shielding shell.

In one embodiment, the filter further comprises a labeling assembly disposed on the cover plate.

In one embodiment, the labeling assembly comprises a shielding cap, a transparent sheet and a buffer plate, the buffer plate is arranged on the cover plate, the shielding cap is arranged on the buffer plate, an exposed window is formed in the shielding cap, and the transparent sheet is arranged on the exposed window.

In one embodiment, the transparent sheet is a plastic transparent sheet or a glass sheet.

In one embodiment, the connection pin further includes a limiting block and a propping block, the limiting block is disposed on the connection rod body, the propping block is disposed on an end of the limiting block away from the connection rod body, and the propping block abuts against the shielding shell.

The utility model discloses compare in prior art's advantage and beneficial effect as follows:

the utility model relates to an anti-shielding filter, which can have stronger shielding capability and anti-interference capability by arranging a shielding cover; and be provided with the location body of rod on connecting the pin, be equipped with the bellying on the location body of rod, can guarantee that each male connection pin can accurately reach the position of settlement, avoid appearing the condition that the male pin length is different, improve the structural stability of wave filter and the stability of electricity connection.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of an anti-shielding filter according to an embodiment of the present invention;

FIG. 2 is an enlarged view of the anti-shield filter of FIG. 1 at A;

FIG. 3 is a schematic diagram of an alternative view of the anti-blocking filter shown in FIG. 1;

fig. 4 is a schematic structural diagram of an anti-shielding filter according to another embodiment of the present invention;

fig. 5 is a schematic structural diagram of an anti-shielding filter according to still another embodiment of the present invention.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1, an anti-blocking filter includes: the filter comprises a filter body 100, a connecting pin 200 and a shielding case 300, wherein the filter body 100 is used for realizing a filtering function; the connection pin 200 is used for plugging the filter body to an external circuit board; the shielding case 300 is used to shield the interference signal of the filter.

Referring to fig. 2, the connection pin 200 includes a connection rod 210, an insertion rod 220, and a positioning rod 230, a first end of the connection rod is connected to a fixed end of the insertion rod, a second end of the connection rod is disposed on the positioning rod, an end of the positioning rod away from the connection rod is disposed on the filter body, the positioning rod 230 includes a fixing portion 231 and a protruding portion 232, the fixing portion is disposed between the filter body and the connection rod, and the protruding portion is disposed on the fixing portion. It should be noted that the connecting rod 210 is used for connecting the plugging rod 220 and the positioning rod 230; the plugging rod body 220 is used for plugging on an external circuit board; the positioning rod 230 is used for positioning when the filter body is inserted, so as to prevent the filter body from being inserted too deeply or too short, specifically, the fixing portion 231 is used for fixing the connection pin on the filter body, and the protruding portion 232 is used for positioning the inserted connection pin. Therefore, each inserted connecting pin can accurately reach a set position, the situation that the lengths of the inserted pins are different is avoided, and the structural stability and the electric connection stability of the filter are improved.

Referring to fig. 3, the shielding case 300 includes a cover plate 310, a shielding housing 320 and a supporting component 330, the cover plate is disposed on the shielding housing, the supporting component is disposed on a side surface of the shielding housing away from the cover plate, an accommodating cavity is disposed on the shielding housing, the filter body is mounted in the accommodating cavity, and an inner sidewall of the accommodating cavity is attached to an outer sidewall of the filter body. It should be noted that the cover plate 310 is used for realizing an interference signal at the upper part of the shielding case, and the filter body can be conveniently installed; the shielding shell 320 is used for shielding; the supporting component 330 is used for supporting the whole filter, and when the connecting pin is not inserted, the supporting component can be placed on the supporting component, so that the filter is not contacted with the outside, the structure of the filter is protected from being easily abraded, and the service life is prolonged. Therefore, the filter has stronger shielding capability and interference resistance by arranging the shielding cover.

It should be noted that the number of the connection pins is plural, and the plural connection pins are arranged on the filter body in two rows. Thus, different connections can be realized by providing a plurality of connection pins.

Referring to fig. 2, the connection portion between the insertion rod and the connection rod is provided with a clamping groove 240, and the clamping groove 240 is used for being clamped on an external circuit board. So, through setting up the joint groove, fix a position when conveniently connecting the pin and inserting on the circuit board.

It should be noted that the plugging rod body is provided with a tip end portion, and the tip end portion is located at one end of the plugging rod body far away from the clamping groove. Thus, by providing the tip portion, it is possible to quickly insert the tip portion into the circuit board.

Referring to fig. 1, the supporting assembly 330 includes a plurality of supporting legs 331, and each of the supporting legs is disposed on the shielding housing. In this embodiment, the supporting legs are provided with four, and four supporting legs set up respectively in on the shielding shell. Thus, the whole filter can be supported more stably by providing the four support legs.

Referring to fig. 4, the filter further includes a labeling assembly 400 disposed on the cover plate. The labeling assembly 400 comprises a shielding cap 410, a transparent sheet 420 and a buffer plate 430, wherein the buffer plate is arranged on the cover plate, the shielding cap cover is arranged on the buffer plate, an exposed window is arranged on the shielding cap, and the transparent sheet is arranged on the exposed window. The labeling component 400 is used for labeling the realization filter and labeling the type of the filter; the shielding cap 410 is used to further shield the external interference of the filter; the transparent sheet 420 is used for a model bar code of the laser filter; the buffer plate 430 is used to mount the shield cap 410 on the cover plate.

In this embodiment, the transparent sheet is a plastic transparent sheet or a glass sheet. Therefore, observation and laser operation can be conveniently carried out.

Referring to fig. 5, the connection pin 200 further includes a limiting block 250 and a supporting block 260, the limiting block is disposed on the connection rod, the supporting block is disposed on an end of the limiting block away from the connection rod, and the supporting block abuts against the shielding shell. It should be noted that the limiting block 250 is used for installing the supporting block 260; the supporting block 260 is used for abutting against the shielding shell, so that the fixing effect on the connecting pins can be enhanced, and the structural stability of the filter is improved.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. An anti-shield filter, comprising:

the filter body is provided with a plurality of filter holes,

2. The anti-shielding filter according to claim 1, wherein the connecting pins are provided in plural, and the plural connecting pins are provided on the filter body in two rows.

3. The anti-shielding filter according to claim 1, wherein the connection portion of the plugging rod and the connection rod is provided with a clamping groove, and the clamping groove is used for clamping an external circuit board.

4. The anti-shield filter of claim 3, wherein the plugging rod has a tip portion thereon, the tip portion being located at an end of the plugging rod away from the latch slot.

5. The anti-shield filter of claim 1, wherein the support assembly comprises a plurality of support legs, each support leg being disposed on the shield housing.

6. The anti-shielding filter according to claim 5, wherein the number of the supporting legs is four, and four supporting legs are respectively disposed on the shielding case.

7. The anti-shield filter of claim 1, further comprising a labeling assembly disposed on the cover plate.

8. The anti-shielding filter according to claim 7, wherein the labeling assembly comprises a shielding cap, a transparent sheet and a buffer plate, the buffer plate is disposed on the cover plate, the shielding cap is disposed on the buffer plate, an exposed window is formed on the shielding cap, and the transparent sheet is disposed on the exposed window.

9. The anti-shield filter according to claim 8, wherein the transparent sheet is a plastic transparent sheet or a glass sheet.

10. The anti-shielding filter according to claim 1, wherein the connection pin further comprises a limiting block and a propping block, the limiting block is disposed on the connection rod, the propping block is disposed on an end of the limiting block away from the connection rod, and the propping block abuts against the shielding shell.