CN211929677U - Coaxial cavity filter port coupling structure - Google Patents
Coaxial cavity filter port coupling structure Download PDFInfo
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- CN211929677U CN211929677U CN201921771908.7U CN201921771908U CN211929677U CN 211929677 U CN211929677 U CN 211929677U CN 201921771908 U CN201921771908 U CN 201921771908U CN 211929677 U CN211929677 U CN 211929677U
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Abstract
The utility model discloses a with axial cavity filter port coupling structure, include: the cavity, the sealed assembly connection of top mouth end of cavity has the apron, fixed mounting is equipped with the connector on the right side top surface of apron, in the guide bar inner core end of connector stretched into downwards the cavity, just the guide bar inner core end welded connection port copper sheet's that stretches into downwards one end of connector, the other end fixed assembly installation of port copper sheet sets up on the interior bottom surface of apron, through the fixed resonance post that sets up in the cavity of resonance screw locking on the left side top surface of apron, form an annular coupling structure between apron, connector, the port copper sheet, and with the resonance post between form the coupling, make up into the port feed structure of wave filter. By adopting the technical scheme, the connector has the advantages of simple structure and simple and convenient assembly process, and the width of the port copper sheet corresponding to different requirements is convenient to replace, install and set, thereby being beneficial to improving the production and assembly efficiency.
Description
Technical Field
The utility model relates to a technical field of filter equipment structure especially relates to a with axle chamber filter port coupling structure.
Background
In modern wireless communication systems, microwave coaxial cavity filters are one of its important components. The method has the characteristics of frequency selection, harmonic suppression, high power, low cost and the like, and is widely applied to communication networks. In the development process of miniaturization and integration of a BTS module of a mobile communication base station, a TRX port of a filter is mostly placed on the surface of a cover plate of the filter so as to be conveniently butted with a receiving and transmitting module. The traditional filter coupling port structure is high in cost and complex in assembly process, so that a coaxial cavity filter port coupling structure is designed.
SUMMERY OF THE UTILITY MODEL
For the defect of solving prior art scheme, the utility model discloses a coaxial cavity filter port coupling structure.
The utility model discloses a with axial cavity filter port coupling structure, include: the top opening end of the cavity is connected with the cover plate in a sealing and assembling mode, the connector is fixedly installed on the top face of the right side of the cover plate, the inner core end of the guide rod of the connector extends downwards into the cavity, the inner core end of the guide rod of the connector extends downwards and is connected with one end of the port copper sheet in a welding mode, the other end of the port copper sheet is fixedly installed on the inner bottom face of the cover plate in an assembling mode, the resonance column which is fixedly arranged in the cavity is locked on the top face of the left side of the cover plate through the resonance screw, the cover plate, the connector and the port copper sheet are connected to form an annular coupling structure, the resonance column is coupled with the connector, and the port feed structure of the filter is combined.
Preferably, the cavity and the cover plate are fastened and sealed through rivets uniformly distributed on the periphery.
Preferably, the connector is fixedly assembled and connected with the cover plate in a riveting or threaded connection mode.
Preferably, the other end of the port copper sheet is assembled and connected with the inner bottom surface of the cover plate in a screw fastening mode.
The beneficial effects are that: the connector has the advantages of simple structure and simple and convenient assembly process, is convenient to replace, install and set up corresponding to the widths of port copper sheets with different requirements, and is favorable for improving the production and assembly efficiency.
Drawings
Fig. 1 is a schematic structural diagram of a port coupling structure of a coaxial cavity filter according to the present invention;
fig. 2 is a top view of the port coupling structure of the coaxial cavity filter of the present invention.
Wherein: 1-a cavity; 2-cover plate; 3-a connector; 4-a resonant column; a 5-port copper sheet; 6-resonant screws; 7-rivet.
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 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.
As shown in fig. 1-2, the utility model discloses a coaxial cavity filter port coupling structure, include: the filter comprises a cavity 1, a cover plate 2, a connector 3, a resonance column 4, a port copper sheet 5 and a resonance screw 6, wherein the top opening end of the cavity 1 is connected with the cover plate 2 in a sealing and assembling manner, the connector 3 is fixedly installed on the top surface of the right side of the cover plate 2, the inner core end of a guide rod of the connector 3 downwards extends into the cavity 1, the inner core end of the guide rod downwards extending into the connector 3 is welded with one end of the port copper sheet 5, the other end of the port copper sheet 5 is fixedly installed on the inner bottom surface of the cover plate 2 in an assembling manner, the resonance column 4 fixedly arranged in the cavity 1 is locked on the top surface of the left side of the cover plate 2 through the resonance screw 6, the cover plate 2, the connector 3 and the port copper sheet 5 are connected to form an annular coupling structure, and are coupled with the resonance column 4 to form a port feed structure of the filter.
The cavity 1 and the cover plate 2 are fastened and sealed through rivets 7 uniformly distributed on the periphery.
The connector 3 is fastened and assembled with the cover plate 2 in a riveting or threaded connection mode.
And the other end of the port copper sheet 5 is assembled and connected with the inner bottom surface of the cover plate 2 in a screw fastening mode.
The utility model discloses an implement like this: during assembly and installation, the connector 3 and the cover plate 2 are fastened and assembled in a riveting or threaded connection mode, the two ends of the port copper sheet 5 are respectively connected with the guide rod inner cores of the cover plate 2 and the connector 3, so that the cover plate 2, the connector 3 and the port copper sheet 5 are connected to form an annular coupling structure, and are coupled with the resonance columns 4 to form a port feed structure of the filter, and different coupling quantities can be formed by adjusting the width of the port copper sheet 5 and the height distance between the port copper sheet 5 and the cover plate 2 to adapt to the signal coupling quantity of the filter. By adopting the technical scheme, the connector has the advantages of simple structure and simple and convenient assembly process, and the width of the port copper sheet corresponding to different requirements is convenient to replace, install and set, thereby being beneficial to improving the production and assembly efficiency.
Finally, it should be noted that: the above embodiments are only used for illustrating the present invention and do not limit the technical solution described in the present invention; thus, while the present invention has been described in detail with reference to the various embodiments thereof, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted; all such modifications and variations are intended to be included herein within the scope of this disclosure and the present invention and within the scope and spirit of the following claims.
Claims (4)
1. A coaxial cavity filter port coupling structure comprising: cavity (1), apron (2), connector (3), resonance post (4), port copper sheet (5), resonance screw (6), its characterized in that: the top opening end of the cavity (1) is hermetically assembled and connected with a cover plate (2), the top surface of the right side of the cover plate (2) is fixedly provided with a connector (3), the end of the inner core of the guide rod of the connector (3) extends downwards into the cavity (1), and the end of the guide rod inner core extending downwards of the connector (3) is welded with one end of the port copper sheet (5), the other end of the port copper sheet (5) is fixedly assembled and arranged on the inner bottom surface of the cover plate (2), the top surface of the left side of the cover plate (2) is fixedly locked with a resonance column (4) arranged in the cavity (1) through a resonance screw (6), the cover plate (2), the connector (3) and the port copper sheet (5) are connected to form an annular coupling structure, and the coupling is formed between the resonant column (4) and the resonant column to form a port feed structure of the filter.
2. The coaxial cavity filter port coupling structure of claim 1, wherein: the cavity (1) and the cover plate (2) are fastened and sealed through rivets (7) uniformly distributed on the periphery.
3. The coaxial cavity filter port coupling structure of claim 1, wherein: the connector (3) is fixedly assembled and connected with the cover plate (2) in a riveting or threaded connection mode.
4. The coaxial cavity filter port coupling structure of claim 1, wherein: the other end of the port copper sheet (5) is assembled and connected with the inner bottom surface of the cover plate (2) in a screw fastening mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921771908.7U CN211929677U (en) | 2019-10-22 | 2019-10-22 | Coaxial cavity filter port coupling structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921771908.7U CN211929677U (en) | 2019-10-22 | 2019-10-22 | Coaxial cavity filter port coupling structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211929677U true CN211929677U (en) | 2020-11-13 |
Family
ID=73318661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921771908.7U Active CN211929677U (en) | 2019-10-22 | 2019-10-22 | Coaxial cavity filter port coupling structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211929677U (en) |
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2019
- 2019-10-22 CN CN201921771908.7U patent/CN211929677U/en active Active
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