CN213401456U - Metal filter - Google Patents
Metal filter Download PDFInfo
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- CN213401456U CN213401456U CN202022169871.XU CN202022169871U CN213401456U CN 213401456 U CN213401456 U CN 213401456U CN 202022169871 U CN202022169871 U CN 202022169871U CN 213401456 U CN213401456 U CN 213401456U
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Abstract
The utility model provides a metal filter, which comprises a shell, a cover plate, a resonator, a connector and a connecting sheet; a resonator mounting cavity and a connector mounting cavity are arranged in the shell, the resonator is arranged in the resonator mounting cavity, and the connector is arranged in the connector mounting cavity; one end of the connecting sheet is connected to the connecting column in the connector mounting cavity, and the other end of the connecting sheet is welded to the welding column of the resonator mounting cavity and forms a preset gap with the resonator; the cover plate is arranged on the upper end surface of the shell and seals the resonator and the connector in the shell; the utility model provides a metal filter, its connection piece is fixed through the welding, can effectively increase the safe distance between connection piece and the resonator like this, and reduce cost improves assembly efficiency, avoids adopting the fix with screw to lead to safety problems such as wave filter striking sparks.
Description
Technical Field
The utility model belongs to the technical field of metal filter, concretely relates to metal filter.
Background
Connecting sheets in the existing metal filter are generally installed by screws, so a connecting sheet base needs to be designed in a shell, the safe distance between the connecting sheets and a resonator can be shortened by adopting screw connection due to the small filter, and the risk of power ignition can be caused due to the insufficient safe distance between the connecting sheets and the resonator; and adopt the assembly mode of screw, assembly efficiency is lower, and the cost is higher.
Based on the technical problems existing in the metal filter, no relevant solution exists; there is therefore a pressing need to find effective solutions to the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the weak point that exists among the above-mentioned technique, provide a metal filter, aim at solving one of the problem that connection piece assembly method among the current metal filter is efficient, with high costs, easy power strikes sparks.
The utility model provides a metal filter, which comprises a shell, a cover plate, a resonator, a connector and a connecting sheet; a resonator mounting cavity and a connector mounting cavity are arranged in the shell, the resonator is arranged in the resonator mounting cavity, and the connector is arranged in the connector mounting cavity; one end of the connecting sheet is connected to the connecting column in the connector mounting cavity, and the other end of the connecting sheet is welded to the welding column of the resonator mounting cavity and forms a preset gap with the resonator; the cover plate is disposed on an upper end surface of the housing and seals the resonator and the connector within the housing.
Further, the connector includes a first connector and a second connector; the connector mounting cavity comprises a first connector mounting cavity and a second connector mounting cavity; the connecting columns comprise a first connecting column and a second connecting column; the welding columns comprise a first welding column and a second welding column; the connecting piece comprises a first connecting piece and a second connecting piece; the first connector mounting cavity and the second connector mounting cavity are both circular; the first connecting column is arranged at the central position of the first connector mounting cavity in a protruding mode, and the second connecting column is arranged at the central position of the second connector mounting cavity in a protruding mode; the first connector is arranged in the first connector mounting cavity around the first connecting column; the second connector is arranged in the second connector mounting cavity around the second connecting column; one end of the first connecting sheet is connected to the first connecting column, and the other end of the first connecting sheet is welded to the first welding column; one end of the second connecting piece is connected to the second connecting column, and the other end of the second connecting piece is welded to the second welding column.
Furthermore, the first connector mounting cavity and the second connector mounting cavity are respectively arranged at two ends of the shell; the resonator mounting cavities comprise a plurality of resonator mounting cavities which are separated by a rib; the first welding column is arranged in the resonator mounting cavity at one end of the shell, and the second welding column is arranged in the resonator mounting cavity at the other end of the shell.
Further, the metal filter also comprises an adjusting screw; a positioning column is arranged in the resonator mounting cavity, and a positioning hole is formed in the positioning column; the adjusting screw penetrates through the cover plate and the resonator in sequence and extends into the positioning hole; the adjusting screw can move up and down in the positioning hole, so that the frequency of the resonator is adjusted.
Furthermore, mounting holes are formed in the periphery of the upper end face of the shell; the cover plate is fixed on the upper end surface of the shell through a positioning screw; the positioning screw penetrates through the cover plate and is fixed in the mounting hole.
Furthermore, the adjusting screws are arranged on the upper end face of the cover plate; a part of adjusting screws penetrate through the cover plate and the resonator and extend into the positioning holes; a part of the adjusting screw passes through the cover plate and directly enters into the resonator mounting cavity.
Further, the resonator includes a plurality of, and a plurality of resonators are arranged in the casing side by side.
The utility model provides a metal filter, its connection piece is fixed through the welding, can effectively increase the safe distance between connection piece and the resonator like this, and reduce cost improves assembly efficiency, avoids adopting the fix with screw to lead to safety problems such as wave filter striking sparks.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
The present invention will be further explained with reference to the accompanying drawings:
fig. 1 is an overall schematic diagram of a metal filter according to the present invention;
FIG. 2 is a front view of the cover plate, resonator, connecting plate and connector connection structure of the present invention;
fig. 3 is a first perspective view of the cover plate, the resonator, the connecting sheet and the connector connecting structure of the present invention;
fig. 4 is a second perspective view of the cover plate, resonator, connecting sheet and connector connecting structure of the present invention;
fig. 5 is a schematic diagram of a structure of a metal filter housing according to the present invention.
In the figure: 1. a housing; 11. a resonator mounting cavity; 12. a first connector mounting cavity; 13. a second connector mounting cavity; 14. a first connecting column; 15. a second connecting column; 16. mounting holes; 17. blocking edges; 18. a first weld column; 19. a second weld column; 2. a cover plate; 21. a set screw; 3. an adjusting screw; 4. a resonator; 5. a first connecting piece; 6. a second connecting sheet; 7. a first connector; 8. a second connector; 9. and a positioning column.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1 to 5, the present invention provides a metal filter, which specifically includes a housing 1, a cover plate 2, a resonator 4, a connector, and a connecting sheet; the shell 1 is internally provided with a cavity and a connector mounting cavity, the cavity is divided into a plurality of independent resonator mounting cavities 11, a plurality of resonators 4 are respectively arranged in the single resonator mounting cavity 11, and the connector is arranged in the connector mounting cavity; one end of the connecting sheet is connected to the connecting column in the connector mounting cavity; the other end of the connecting sheet is welded on a welding column of the resonator mounting cavity and forms a preset gap with the resonator 4, so that the resonator 4 is adjusted; the cover plate 2 is arranged on the upper end surface of the shell 1 and seals the resonator 4 and the connector in the shell 1; adopt above-mentioned scheme, weld the other end of connection piece on the welding post of syntonizer installation cavity through the welded mode, because the distance of welding post and syntonizer is nearer, can avoid adopting the installation of screw like this, consequently can effectively increase its safe distance, reduce the risk, reduced purchasing cost.
Preferably, in combination with the above solutions, as shown in fig. 1 to 5, in the present embodiment, the connector includes a first connector 7 and a second connector 8; the connector mounting cavity comprises a first connector mounting cavity 12 and a second connector mounting cavity 13; the connecting columns comprise a first connecting column 14 and a second connecting column 15; the weld columns include a first weld column 18 and a second weld column 19; the connecting pieces comprise a first connecting piece 5 and a second connecting piece 6; specifically, the first connector mounting cavity 12 and the second connector mounting cavity 13 are both circular; the first connecting column 14 is arranged at the center of the first connector mounting cavity 12 in a protruding mode, and the second connecting column 15 is arranged at the center of the second connector mounting cavity 13 in a protruding mode; the first connector 7 is arranged in the first connector mounting cavity 12 around the first connecting column 14; the second connector 8 is arranged in the second connector mounting cavity 13 around the second connecting column 15; further, one end of the first connecting plate 5 is connected to the first connecting column 14, and the other end of the first connecting plate 5 is welded to the first welding column 18; one end of the second connecting piece 6 is connected to the second connecting column 15, and the other end of the second connecting piece 6 is welded to the second welding column 19, so that the connection is realized.
Preferably, in combination with the above solution, as shown in fig. 1 to 5, the first connector mounting cavity 12 and the second connector mounting cavity 13 are respectively disposed at two ends of the housing 1; the resonator mounting cavities 11 comprise a plurality of resonator mounting cavities 11 which are separated by ribs 17 so as to avoid the mutual influence of the resonators 4 between adjacent resonators; further, the first welding column 18 is disposed in the resonator mounting cavity 11 at one end of the case 1 so as to maintain a predetermined gap from the resonator in the resonator mounting cavity 11; the second welding column 19 is disposed in the resonator mounting cavity 11 at the other end of the case 1 so as to maintain a predetermined gap from the resonator in the resonator mounting cavity 11.
Preferably, in combination with the above solution, as shown in fig. 1 to 5, the metal filter further includes an adjusting screw 3; a positioning column 9 is arranged in the resonator mounting cavity 11, and a positioning hole is arranged in the positioning column 9; the design is that the adjusting screw 3 can pass through the cover plate 2 and the resonator 4 in sequence and extend into the positioning hole; and the adjusting screw 3 can move up and down in the positioning hole, so as to adjust the frequency of the resonator 4.
Preferably, in combination with the above solution, as shown in fig. 1 to 5, the periphery of the upper end surface of the housing 1 is provided with a mounting hole 16; the cover plate 2 is fixed on the upper end surface of the shell 1 through a positioning screw 21; the set screw 21 passes through the cover plate 2 and is fixed in the mounting hole 16.
Preferably, in combination with the above solution, as shown in fig. 1 to 5, the adjusting screw 3 includes a plurality of adjusting screws 3, and the adjusting screws 3 are disposed on the upper end surface of the cover plate 2; a part of adjusting screws 3 penetrate through the cover plate 2 and the resonator 4 and extend into the positioning holes, so that the broadband or the frequency of the resonator 4 is adjusted; a part of the adjusting screw 3 passes through the cover plate 2 and directly goes deep into the resonator mounting cavity 11, thereby adjusting the broadband or frequency of the resonator 4.
Preferably, in combination with the above scheme, as shown in fig. 1 to 5, the resonator 4 includes a plurality of resonators 4, and the plurality of resonators 4 are arranged side by side in the housing 1.
The utility model provides a metal filter, its connection piece is fixed through the welding, can effectively increase the safe distance between connection piece and the resonator like this, and reduce cost improves assembly efficiency, avoids adopting the fix with screw to lead to safety problems such as wave filter striking sparks.
The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any way. The technical solutions of the present invention can be used by anyone skilled in the art to make many possible variations and modifications to the technical solution of the present invention, or to modify equivalent embodiments with equivalent variations, without departing from the scope of the technical solution of the present invention. Therefore, any modification, equivalent change and modification of the above embodiments according to the present invention are all within the protection scope of the present invention.
Claims (7)
1. A metal filter is characterized by comprising a shell (1), a cover plate (2), a resonator (4), a connector and a connecting sheet; a resonator mounting cavity (11) and a connector mounting cavity are arranged in the shell (1), the resonator (4) is arranged in the resonator mounting cavity (11), and the connector is arranged in the connector mounting cavity; one end of the connecting sheet is connected to a connecting column in the connector mounting cavity, and the other end of the connecting sheet is welded to a welding column of the resonator mounting cavity and forms a preset gap with the resonator (4); the cover plate (2) is disposed on an upper end surface of the housing (1) and seals the resonator (4) and the connector within the housing (1).
2. A metal filter according to claim 1, characterized in that the connectors comprise a first connector (7) and a second connector (8); the connector mounting cavity comprises a first connector mounting cavity (12) and a second connector mounting cavity (13); the connecting columns comprise a first connecting column (14) and a second connecting column (15); the weld columns include a first weld column (18) and a second weld column (19); the connecting piece comprises a first connecting piece (5) and a second connecting piece (6); the first connector mounting cavity (12) and the second connector mounting cavity (13) are both circular; the first connecting column (14) is arranged at the center of the first connector mounting cavity (12) in a protruding mode, and the second connecting column (15) is arranged at the center of the second connector mounting cavity (13) in a protruding mode; the first connector (7) is arranged in the first connector mounting cavity (12) around the first connecting column (14); the second connector (8) is arranged in the second connector mounting cavity (13) around the second connecting column (15); one end of the first connecting sheet (5) is connected to the first connecting column (14), and the other end of the first connecting sheet (5) is welded on the first welding column (18); one end of the second connecting piece (6) is connected to the second connecting column (15), and the other end of the second connecting piece (6) is welded to the second welding column (19).
3. The metal filter according to claim 2, wherein the first connector mounting cavity (12) and the second connector mounting cavity (13) are respectively provided at both ends of the housing (1); the resonator mounting cavities (11) comprise a plurality of resonator mounting cavities (11), and the resonator mounting cavities (11) are separated by a rib (17); the first welding column (18) is arranged in the resonator mounting cavity (11) at one end of the shell (1), and the second welding column (19) is arranged in the resonator mounting cavity (11) at the other end of the shell (1).
4. A metal filter according to claim 1, characterized in that the metal filter further comprises an adjusting screw (3); a positioning column (9) is arranged in the resonator mounting cavity (11), and a positioning hole is formed in the positioning column (9); the adjusting screw (3) sequentially penetrates through the cover plate (2) and the resonator (4) and extends into the positioning hole; the adjusting screw (3) can move up and down in the positioning hole, so that the frequency of the resonator (4) is adjusted.
5. A metal filter according to claim 1, characterized in that the periphery of the upper end face of the housing (1) is provided with mounting holes (16); the cover plate (2) is fixed on the upper end face of the shell (1) through a positioning screw (21); the positioning screw (21) penetrates through the cover plate (2) and is fixed in the mounting hole (16).
6. The metal filter according to claim 4, characterized in that the adjusting screw (3) comprises a plurality of adjusting screws (3), the adjusting screws (3) being provided on an upper end face of the cover plate (2); a part of the adjusting screw (3) penetrates through the cover plate (2) and the resonator (4) and extends into the positioning hole; a part of the adjusting screw (3) passes through the cover plate (2) and directly penetrates into the resonator mounting cavity (11).
7. A metal filter according to claim 1, characterized in that the resonator (4) comprises a plurality of resonators (4) arranged side by side in the housing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022169871.XU CN213401456U (en) | 2020-09-28 | 2020-09-28 | Metal filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022169871.XU CN213401456U (en) | 2020-09-28 | 2020-09-28 | Metal filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213401456U true CN213401456U (en) | 2021-06-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022169871.XU Active CN213401456U (en) | 2020-09-28 | 2020-09-28 | Metal filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213401456U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115458885A (en) * | 2022-10-25 | 2022-12-09 | 四川恒湾科技有限公司 | Radio frequency device |
-
2020
- 2020-09-28 CN CN202022169871.XU patent/CN213401456U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115458885A (en) * | 2022-10-25 | 2022-12-09 | 四川恒湾科技有限公司 | Radio frequency device |
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