CN216312016U

CN216312016U - Support piece structure based on small-size filter

Info

Publication number: CN216312016U
Application number: CN202122658161.8U
Authority: CN
Inventors: 史作毅; 汪亭; 梁文超
Original assignee: Suzhou Nuotaixin Communication Co ltd
Current assignee: Suzhou Nuotaixin Communication Co ltd
Priority date: 2021-11-02
Filing date: 2021-11-02
Publication date: 2022-04-15
Anticipated expiration: 2031-11-02

Abstract

The utility model discloses a support piece structure based on a small-size filter, which belongs to the technical field of filters and comprises a cover plate, wherein the lower side of the cover plate is detachably connected with a cavity, a first threaded hole is arranged in the cavity, a support piece base matched with the threaded hole is arranged on the first threaded hole, a capacitor copper sheet is arranged on the upper side of the support piece base, the support piece base and the capacitor copper sheet are detachably connected with the cavity through a support piece positioning pin, a resonance column is arranged in the cavity, and the resonance column is detachably connected on the cavity through a plug-in resonance column fixing screw, the effect of fixing the capacitor is achieved by applying downward pressing effect through the cover plate.

Description

Support piece structure based on small-size filter

Technical Field

The utility model relates to the technical field of filters, in particular to a support piece structure based on a small-size filter.

Background

The filter is a device for filtering waves, and can be a filter circuit consisting of a capacitor, an inductor and a resistor, so as to effectively remove the frequency point of a specific frequency in a power line or frequencies except the frequency point, namely, the filter can be used for filtering various noise signals to obtain a power signal of the specific frequency or eliminate the power signal of the specific frequency. In the field of long term evolution technology, filters such as surface acoustic wave filters or bulk acoustic wave filters are widely used because of their characteristics of narrow bandwidth, high rejection, low loss, etc.;

under the conditions that market application of 5G communication equipment is more and more extensive and spectrum resources are sufficient in the wireless communication field, the size requirement of a cavity filter for matching with the market requirement of 5G in the cavity filter industry is smaller and smaller, and the conventional cavity filter is designed in a way that the size limitation is not considered too much, so that most of capacitor structures inside a cavity are locking structures of a support piece and an M3 screw, but on the premise that 5G is popularized, the size of the whole cavity is controlled to be smaller, and the M3 screw is equivalent to the size of a single cavity and cannot be used.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem that a conventional support cannot be used due to the small size of a wall filter in the prior art, and provides a support structure based on a small-size filter.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a small-size filter based support structure comprising:

the cover plate, the apron downside can be dismantled and be connected with the cavity, be provided with first screw hole in the cavity, be provided with on the first screw hole rather than screw assorted support piece base, support piece base upside is provided with the electric capacity copper sheet, support piece base and electric capacity copper sheet pass through support piece locating pin and cavity realization and can dismantle the connection.

Preferably, a resonant column is arranged in the cavity, the resonant column is detachably connected to the cavity through inserting resonant column fixing screws, and the number of the resonant columns is 6.

Preferably, cavity bottom fixedly connected with input PIN needle, input PIN needle right side is provided with output PIN needle, output PIN needle fixed connection is on the cavity.

Preferably, the cover plate is provided with cover plate fixing screws, the cavity is provided with second threaded holes matched with the cover plate fixing screws, and the cavity and the cover plate are detachably connected through the cover plate fixing screws.

Preferably, the cover plate fixing screws are provided with 6 in total, and the 6 cover plate fixing screws are uniformly distributed on the cover plate.

Preferably, the cover plate is detachably connected with 13 tuning screws, and the 13 tuning screws are inserted into the cavity through the cover plate.

Preferably, the vertical height of the supporting piece positioning pin, the capacitor copper sheet and the supporting piece base fixed in the cavity is consistent with the vertical height of the outer wall of the cavity.

Preferably, the support positioning PIN, the capacitor copper sheet and the support base are arranged on the other side of the input PIN PIN relative to the output PIN PIN.

Preferably, the support positioning pins, the capacitor copper sheets and the support base are arranged among the resonant columns.

Preferably, the vertical height of the resonant column fixed in the cavity is less than the vertical height of the outer wall of the cavity.

Compared with the prior art, the utility model provides a support piece structure based on a small-size filter, which has the following beneficial effects:

1. the supporting piece structure based on the small-size filter solves the problem that a conventional supporting piece cannot be used due to the small size of a wall filter, the M3 non-metal screw of the conventional supporting piece is changed into the supporting piece positioning pin, the bolt is inserted into the supporting piece base and then extends into the hole in the cavity to achieve the positioning effect, and the downward pressing effect is exerted through the cover plate to achieve the effect of fixing the capacitor;

2. this support piece structure based on small-size wave filter has solved because the small problem that can't use conventional support piece of wall body wave filter size, and batch low cost, the assembly is simple, and maneuverability is high, stable in structure, the uniformity is high.

Drawings

Fig. 1 is a schematic perspective view of a support structure based on a small-sized filter according to the present invention;

FIG. 2 is a top view of a support structure based on a small-sized filter according to the present invention;

fig. 3 is a front view of a support structure based on a small-sized filter according to the present invention;

FIG. 4 is a right side view of a small filter based support structure according to the present invention;

fig. 5 is a schematic view of an uncapped three-dimensional structure of a support member structure based on a small-sized filter according to the present invention;

fig. 6 is a schematic view of an exploded perspective structure of an uncapped support based on a support structure of a small-sized filter according to the present invention;

fig. 7 is an open top view of a support structure based on a small-sized filter according to the present invention.

In the figure: 1. a cavity; 2. a cover plate; 3. a cover plate fixing screw; 4. a tuning screw; 5. inputting a PIN needle; 6. outputting a PIN PIN; 7. a resonant column; 8. a resonance column fixing screw; 9. a support member positioning pin; 10. a capacitor copper sheet; 11. a support member base.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example (b):

referring to fig. 1 to 7, a small-sized filter based support structure includes:

the structure comprises a cover plate 2, a cavity 1 is detachably connected to the lower side of the cover plate 2, parts inside the cavity 1 can be conveniently replaced by using a detachable connection mode, a first threaded hole is formed in the cavity 1, a support piece base 11 matched with the threaded hole is arranged on the first threaded hole, a capacitor copper sheet 10 is arranged on the upper side of the support piece base 11, the support piece base 11 and the capacitor copper sheet 10 are detachably connected with the cavity 1 through a support piece positioning pin 9, a support piece locking structure is converted, the problem that a conventional support piece cannot be used is solved, a resonance column 7 is arranged in the cavity 1, the resonance column 7 is detachably connected to the cavity 1 through a splicing resonance column fixing screw 8, the assembly and replacement of the parts are facilitated by using the detachable mode, and 6 resonance columns 7 are arranged for controlling frequency;

an input PIN PIN 5 is fixedly connected to the bottom end of a cavity 1, an output PIN PIN 6 is arranged on the right side of the input PIN PIN 5, the output PIN PIN 6 is fixedly connected to the cavity 1, a cover plate fixing screw 3 is arranged on a cover plate 2, a second threaded hole matched with the cover plate fixing screw 3 is arranged on the cavity 1, the cavity 1 and the cover plate 2 are detachably connected through the cover plate fixing screw 3 and are detachably connected through screws, the assembly and disassembly are convenient, 6 cover plate fixing screws 3 are arranged on the cover plate 2, 6 cover plate fixing screws 3 are uniformly distributed on the cover plate 2, a plurality of screw fixing cover plates 2 are arranged so as to compress positioning PINs, the looseness of a supporting piece composed of a supporting piece base 11, a capacitor copper sheet 10 and a supporting piece positioning PIN 9 caused by the looseness of a single cover plate fixing screw 3 is prevented, tuning screws 4 are detachably connected to the cover plate 2, and 13 tuning screws 4 are arranged, 13 tuning screws 4 are inserted into the cavity 1 through the cover plate 2 to adjust the frequency generated in the cavity 1;

the vertical height of the supporting piece positioning PIN 9, the capacitor copper sheet 10 and the supporting piece base 11 fixed in the cavity 1 is consistent with the vertical height of the outer wall of the cavity 1, so that the supporting piece is conveniently pressed by the cover plate 2, the supporting piece positioning PIN 9, the capacitor copper sheet 10 and the supporting piece base 11 are arranged on the other side of the input PIN PIN 5 relative to the output PIN PIN 6, the supporting piece positioning PIN 9, the capacitor copper sheet 10 and the supporting piece base 11 are arranged among the 2 resonance columns 7, and the vertical height of the resonance columns 7 fixed in the cavity 1 is smaller than the vertical height of the outer wall of the cavity 1, so that tuning screws 4 are conveniently inserted;

in the utility model, the M3 non-metal screw of the conventional support is changed into the support positioning pin 9, the bolt is inserted into the support base 11 and then extends into the hole on the cavity 1 to achieve the positioning effect, and the cover plate 2 exerts the downward pressing effect to achieve the effect of fixing the capacitor, thereby solving the problem that the conventional support cannot be used due to the small size of the wall filter, and having the advantages of low batch cost, simple assembly, high operability, stable structure and high consistency.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A support member structure based on a small-sized filter, comprising:

apron (2), apron (2) downside can be dismantled and be connected with cavity (1), be provided with first screw hole in cavity (1), be provided with on the first screw hole rather than screw assorted support piece base (11), support piece base (11) upside is provided with electric capacity copper sheet (10), support piece base (11) and electric capacity copper sheet (10) realize dismantling the connection through support piece locating pin (9) and cavity (1).

2. The support structure based on small-size filter according to claim 1, characterized in that a resonant column (7) is arranged in the cavity (1), the resonant column (7) is detachably connected to the cavity (1) through a plug-in resonant column fixing screw (8), and the number of the resonant columns (7) is totally 6.

3. The support structure based on small-size filter according to claim 1, characterized in that an input PIN (PIN) PIN (5) is fixedly connected to the bottom end of the cavity (1), an output PIN PIN (6) is arranged on the right side of the input PIN PIN (5), and the output PIN PIN (6) is fixedly connected to the cavity (1).

4. The support structure based on the small-size filter is characterized in that the cover plate (2) is provided with a cover plate fixing screw (3), the cavity (1) is provided with a second threaded hole matched with the cover plate fixing screw (3), and the cavity (1) and the cover plate (2) are detachably connected through the cover plate fixing screw (3).

5. Support structure based on small size filter according to claim 4 characterized in that said cover plate fixing screws (3) are provided with 6 in total, 6 of said cover plate fixing screws (3) being evenly distributed on the cover plate (2).

6. The support structure based on small-size filter according to claim 1, characterized in that the cover plate (2) is detachably connected with tuning screws (4), the tuning screws (4) are provided with 13 tuning screws, and 13 tuning screws (4) are inserted into the cavity (1) through the cover plate (2).

7. The support structure based on small-sized filter according to claim 1, characterized in that the vertical height of the support positioning pins (9), the capacitor copper sheets (10) and the support base (11) fixed in the cavity (1) is consistent with the vertical height of the outer wall of the cavity (1).

8. The small-size filter-based support structure according to claim 1, wherein the support positioning PINs (9), the capacitor copper plate (10), and the support base (11) are disposed on the other side of the input PIN (5) with respect to the output PIN (6).

9. Support structure based on small size filter according to claim 1 characterized in that the support dowel pins (9), capacitor copper plate (10), support base (11) are placed between 2 resonance posts (7).

10. The small-size filter-based support structure according to claim 2, wherein the vertical height at which the resonance post (7) is fixed into the cavity (1) is smaller than the vertical height of the outer wall of the cavity (1).