CN220604952U - Window coupling structure with changeable resonant column position - Google Patents
Window coupling structure with changeable resonant column position Download PDFInfo
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- CN220604952U CN220604952U CN202322038512.4U CN202322038512U CN220604952U CN 220604952 U CN220604952 U CN 220604952U CN 202322038512 U CN202322038512 U CN 202322038512U CN 220604952 U CN220604952 U CN 220604952U
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- 230000008878 coupling Effects 0.000 title claims abstract description 34
- 238000010168 coupling process Methods 0.000 title claims abstract description 34
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 34
- 238000009434 installation Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 5
- 239000000945 filler Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
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Abstract
The utility model discloses a window coupling structure with a changeable resonance column position, and belongs to the field of filters. The window coupling structure with the changeable resonance column position comprises a filter cavity and further comprises: a filter cover plate connected to the filter cavity; the input connector and the output connector are respectively and fixedly connected to two sides of the filter cavity; the waist-shaped groove is arranged at the bottom of the filter cavity and is communicated with the filter cavity; the resonance column body is arranged in the filter cavity, and the position of the resonance column body corresponds to the position of the waist-shaped groove; the resonance column fastening screw is connected in the waist-shaped groove and penetrates through the waist-shaped groove to be connected with the resonance column body through threads; the utility model solves the problem that a plurality of cavities with similar sizes are required to be designed due to different bandwidths of similar center frequencies, reduces the design and processing cost, improves the efficiency and the like, and has the advantages of low cost, convenient installation and debugging and the like.
Description
Technical Field
The utility model relates to the technical field of filters, in particular to a window coupling structure with a variable resonant column position.
Background
The filter is a filter circuit consisting of a capacitor, an inductor and a resistor; the filter can effectively filter the frequency points of the specific frequency or the frequencies outside the frequency points in the power line to obtain a power signal of the specific frequency or eliminate the power signal of the specific frequency.
In the design of a conventional cavity high-frequency filter, a duplexer and a multiplexer, the required frequency band and the relative bandwidth are different and are particularly similar, and the same cavity cannot be changed to another frequency band or cannot be changed to another relatively wide or narrow frequency band under the same center frequency, so that different cavities are designed according to different customer indexes to meet the requirements, the types of the cavities and the design and processing cost are greatly increased, and therefore, the problem is solved by the window coupling structure with the variable resonant column positions.
Disclosure of Invention
The present utility model has been made to solve the problems occurring in the prior art.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the window coupling structure with the changeable resonance column position comprises a filter cavity and further comprises:
a filter cover plate connected to the filter cavity;
the input connector and the output connector are respectively and fixedly connected to two sides of the filter cavity;
the waist-shaped groove is arranged at the bottom of the filter cavity and is communicated with the filter cavity;
the resonance column body is arranged in the filter cavity, and the position of the resonance column body corresponds to the position of the waist-shaped groove;
and the resonance column fastening screw is connected in the waist-shaped groove and penetrates through the waist-shaped groove to be connected with the resonance column body through threads.
Preferably, the filter cavity is connected with the filter cover plate through a countersunk head screw, a mounting hole is formed in the filter cover plate, a first threaded hole is formed in the filter cavity, and the countersunk head screw penetrates through the mounting hole and is in threaded connection with the first threaded hole.
Further, the first threaded holes, the mounting holes and the countersunk screws are all provided with a plurality of first threaded holes, and the first threaded holes are circumferentially arranged at the edge of the filter cavity.
Further, a second threaded hole is formed in the filter cover plate, a frequency adjusting screw is connected in the second threaded hole in a threaded mode, a nut is connected to the frequency adjusting screw in a threaded mode, and the nut abuts against the outer wall of the top of the filter cover plate.
Preferably, the outer wall of the filter cavity is connected with a first mounting plate, the first mounting plate is fixedly connected to the outer wall of the filter cavity through a first disc head screw, and the input connector and the first mounting plate are integrally formed.
Further, a first filling block is arranged in the input connector, an input core rod is connected to the first filling block, and the input core rod is arranged in the filter cavity.
Still further, be connected with the second mounting panel on the one side outer wall that the filter cavity was kept away from first mounting panel, the second mounting panel is connected with the filter cavity through the second pan head screw, second mounting panel and output joint integrated into one piece set up.
Further, a second filling block is arranged in the output connector, an output core rod is connected to the second filling block, and the output core rod is arranged in the filter cavity.
Preferably, the waist-shaped groove and the resonance column body are respectively provided with a plurality of corresponding grooves, the top and the bottom of the resonance column body are respectively provided with a first groove and a second groove, a third threaded hole is arranged between the first groove and the second groove, and the resonance column fastening screw is connected in the third threaded hole.
Further, the inner wall of the filter cavity is provided with a bump.
Compared with the prior art, the utility model provides the window coupling structure with the variable resonant column positions, which has the following beneficial effects:
1. the window coupling structure with the changeable resonance column position is characterized in that the resonance column fastening screw is unscrewed to enable the resonance column fastening screw not to be propped against the waist-shaped groove, the resonance column fastening screw is controlled to drive the resonance column body to move, after the resonance column body moves to a proper position, the resonance column fastening screw is screwed down to fix the resonance column body, and the coupling value between windows is changed by changing the relative position of the resonance column, so that the filter complete machine with different bandwidths is realized under the same or similar center frequency.
The device has the advantages of solving the problem that a plurality of cavities with similar sizes are required to be designed because of different similar center frequency bandwidths, reducing design and processing cost, improving efficiency and the like, along with low cost, convenient installation and debugging and the like.
Drawings
FIG. 1 is a schematic diagram of a window coupling structure with a variable resonant column position according to the present utility model;
FIG. 2 is a schematic diagram showing the exploded structure of a filter cavity and a filter cover plate in a window coupling structure with a variable resonant column position according to the present utility model;
FIG. 3 is a schematic diagram showing the exploded structure of the filter cavity and the filter cover plate in the window coupling structure with the position of the resonant column being changeable;
FIG. 4 is a bottom view of a variable position window coupling structure for a resonating pillar in accordance with the present utility model;
FIG. 5 is a schematic diagram of a window coupling structure with a variable resonant column position without a filter cover plate according to the present utility model;
FIG. 6 is a schematic diagram of a filter cover plate in a window coupling structure with a variable resonant column position according to the present utility model;
FIG. 7 is a cross-sectional view of a variable position window coupling structure for a resonating pillar in accordance with the present utility model;
FIG. 8 is a cross-sectional view II of a variable position window coupling structure for a resonant column according to the present utility model;
fig. 9 is an enlarged view of a portion a of fig. 7 showing a window coupling structure with a variable position of a resonant column according to the present utility model.
In the figure: 1. a filter cavity; 101. a first threaded hole; 102. countersunk head screws; 103. a bump; 104. a waist-shaped groove; 105. a resonant column fastening screw; 2. a filter cover plate; 201. a mounting hole; 202. a second threaded hole; 203. a frequency adjusting screw; 204. a nut; 3. a resonating column body; 301. a first groove; 302. a second groove; 4. a first mounting plate; 401. a first pan head screw; 402. an input connector; 403. a first filler block; 404. inputting a core bar; 5. a second mounting plate; 501. a second pan head screw; 502. an output joint; 503. a second filler block; 504. and outputting the core bar.
Description of the embodiments
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Examples
Referring to fig. 1-9, the window coupling structure with the position of the resonant column being changeable comprises a filter cavity 1, and further comprises a filter cover plate 2 connected to the filter cavity 1, wherein an input connector 402 and an output connector 502 are fixedly connected to the outer walls of two sides of the filter cavity 1 respectively, a waist-shaped groove 104 is arranged at the bottom of the filter cavity 1, the waist-shaped groove 104 is communicated with the filter cavity 1, a resonant column body 3 is arranged in the filter cavity 1, the position of the resonant column body 3 corresponds to the position of the waist-shaped groove 104, a resonant column fastening screw 105 is connected to the waist-shaped groove 104, and the resonant column fastening screw 105 penetrates through the waist-shaped groove 104 to be connected with the resonant column body 3 in a threaded manner.
In this embodiment, when in use, the position of the resonant column body 3 can be finely adjusted, and the specific operation steps are as follows: the resonance column fastening screw 105 is unscrewed to make the resonance column fastening screw not prop against the waist-shaped groove 104, then the resonance column body 3 can be moved, after the resonance column body 3 is moved to a proper position, the resonance column fastening screw 105 is screwed to make the resonance column fastening screw 105 tightly prop against the inner wall of the waist-shaped groove 104, so that the fixation of the resonance column body 3 is realized.
Examples
Referring to fig. 1-9, the window coupling structure with the position of the resonant column being changeable comprises a filter cavity 1, and further comprises a filter cover plate 2 connected to the filter cavity 1, wherein an input connector 402 and an output connector 502 are fixedly connected to the outer walls of two sides of the filter cavity 1 respectively, a waist-shaped groove 104 is arranged at the bottom of the filter cavity 1, the waist-shaped groove 104 is communicated with the filter cavity 1, a resonant column body 3 is arranged in the filter cavity 1, the position of the resonant column body 3 corresponds to the position of the waist-shaped groove 104, a resonant column fastening screw 105 is connected to the waist-shaped groove 104, and the resonant column fastening screw 105 penetrates through the waist-shaped groove 104 to be connected with the resonant column body 3 in a threaded manner.
The filter cavity 1 is connected with the filter cover plate 2 through the countersunk head screw 102, the filter cover plate 2 is provided with a mounting hole 201, the filter cavity 1 is provided with a first threaded hole 101, and the countersunk head screw 102 penetrates through the mounting hole 201 and is in threaded connection with the first threaded hole 101.
The first threaded holes 101, the mounting holes 201 and the countersunk screws 102 are all provided in plurality, and the plurality of first threaded holes 101 are circumferentially arranged at the edge of the filter cavity 1.
In this embodiment, the filter cover plate 2 is placed on the filter cavity 1 during installation, so that a plurality of mounting holes 201 on the filter cover plate 2 correspond to a plurality of first threaded holes 101 on the filter cavity 1, then countersunk screws 102 are connected in the plurality of mounting holes 201, and the countersunk screws 102 are screwed into the first threaded holes 101, thereby realizing the fixed connection between the filter cover plate 2 and the filter cavity 1, and a plurality of countersunk screws 102 are arranged for fixing, so that the fixing effect can be enhanced.
The filter cover plate 2 is provided with a second threaded hole 202, a frequency adjusting screw 203 is connected in the second threaded hole 202 in a threaded manner, a nut 204 is connected to the frequency adjusting screw 203 in a threaded manner, and the nut 204 abuts against the outer wall of the top of the filter cover plate 2.
In this embodiment, the frequency adjusting screw 203 is screwed into the second threaded hole 202, so that the adjustment of the circuit frequency in the filter cavity 1 can be achieved by controlling the length of the frequency adjusting screw 203 extending below the filter cover 2.
Examples
Referring to fig. 1-9, the window coupling structure with the position of the resonant column being changeable comprises a filter cavity 1, and further comprises a filter cover plate 2 connected to the filter cavity 1, wherein an input connector 402 and an output connector 502 are fixedly connected to the outer walls of two sides of the filter cavity 1 respectively, a waist-shaped groove 104 is arranged at the bottom of the filter cavity 1, the waist-shaped groove 104 is communicated with the filter cavity 1, a resonant column body 3 is arranged in the filter cavity 1, the position of the resonant column body 3 corresponds to the position of the waist-shaped groove 104, a resonant column fastening screw 105 is connected to the waist-shaped groove 104, and the resonant column fastening screw 105 penetrates through the waist-shaped groove 104 to be connected with the resonant column body 3 in a threaded manner.
The outer wall of the filter cavity 1 is connected with a first mounting plate 4, the first mounting plate 4 is fixedly connected to the outer wall of the filter cavity 1 through a first pan head screw 401, and an input connector 402 and the first mounting plate 4 are integrally formed.
The input connector 402 is provided with a first filling block 403, an input core rod 404 is connected to the first filling block 403, and the input core rod 404 is disposed in the filter cavity 1.
The filter cavity 1 is kept away from and is connected with second mounting panel 5 on the one side outer wall of first mounting panel 4, and second mounting panel 5 links to each other with filter cavity 1 through second pan head screw 501, and second mounting panel 5 and output joint 502 integrated into one piece set up.
The output joint 502 is internally provided with a second filling block 503, the second filling block 503 is connected with an output core rod 504, and the output core rod 504 is arranged in the filter cavity 1.
In this embodiment, the first mounting plate 4 and the second mounting plate 5 are placed on the outer walls of two sides of the filter cavity 1, meanwhile, the input connector 402 and the output connector 502 are placed at two ends of the filter cavity 1, then the first mounting plate 4 and the second mounting plate 5 are fixed through the first pan head screw 401 and the second pan head screw 501, so that the fixed connection of the input connector 402 and the output connector 502 is realized, then signals can be input and output into the filter through the input connector 402 and the output connector 502, the use is convenient, the input core rod 404 and the output core rod 504 which are arranged can be the input connector 402 and the output connector 502 more convenient, and the connection of the input core rod 404 and the output core rod 504 can be the first filling block 403 and the second filling block 503 more fixed.
Examples
Referring to fig. 1-9, the window coupling structure with the position of the resonant column being changeable comprises a filter cavity 1, and further comprises a filter cover plate 2 connected to the filter cavity 1, wherein an input connector 402 and an output connector 502 are fixedly connected to the outer walls of two sides of the filter cavity 1 respectively, a waist-shaped groove 104 is arranged at the bottom of the filter cavity 1, the waist-shaped groove 104 is communicated with the filter cavity 1, a resonant column body 3 is arranged in the filter cavity 1, the position of the resonant column body 3 corresponds to the position of the waist-shaped groove 104, a resonant column fastening screw 105 is connected to the waist-shaped groove 104, and the resonant column fastening screw 105 penetrates through the waist-shaped groove 104 to be connected with the resonant column body 3 in a threaded manner.
The waist-shaped grooves 104 and the resonance column bodies 3 are respectively provided with a plurality of corresponding grooves, the top and the bottom of the resonance column bodies 3 are respectively provided with a first groove 301 and a second groove 302, a third threaded hole is arranged between the first groove 301 and the second groove 302, and the resonance column fastening screw 105 is connected in the third threaded hole.
The inner wall of the filter cavity 1 is provided with a bump 103.
In this embodiment, when in use, the resonant column fastening screw 105 is screwed into the third threaded hole, and the resonant column fastening screw 105 is screwed down to tightly prop against the waist-shaped groove 104, so that the resonant column body 3 can be fixed, and when in fine adjustment, the resonant column fastening screw 105 is unscrewed, so that the resonant column body 3 is driven to move in the waist-shaped groove 104, the position of the resonant column body 3 is adjusted, the coupling value between windows is changed by changing the relative position between the resonant column bodies 3, and thus the filter complete machine with different bandwidths is realized under the same or similar center frequency.
The scheme solves the problem that multiple cavities with similar sizes are required to be designed due to different bandwidths of similar center frequencies, reduces design and processing costs, improves efficiency and the like, and has the advantages of low cost, convenience in installation and debugging and the like.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (10)
1. The window coupling structure with the position of the resonance column being changeable comprises a filter cavity (1), and is characterized by further comprising:
a filter cover plate (2) connected to the filter cavity (1);
the input connector (402) and the output connector (502) are respectively and fixedly connected to two sides of the filter cavity (1);
the waist-shaped groove (104) is arranged at the bottom of the filter cavity (1), and the waist-shaped groove (104) is communicated with the filter cavity (1);
the resonance column body (3) is arranged in the filter cavity (1), and the position of the resonance column body (3) corresponds to the position of the waist-shaped groove (104);
and the resonance column fastening screw (105) is connected in the waist-shaped groove (104), and the resonance column fastening screw (105) penetrates through the waist-shaped groove (104) to be connected with the resonance column body (3) in a threaded mode.
2. The window coupling structure with the changeable resonance column position according to claim 1, wherein the filter cavity (1) is connected with the filter cover plate (2) through a countersunk head screw (102), a mounting hole (201) is formed in the filter cover plate (2), a first threaded hole (101) is formed in the filter cavity (1), and the countersunk head screw (102) penetrates through the mounting hole (201) and is in threaded connection with the first threaded hole (101).
3. The window coupling structure with the variable resonant column positions according to claim 2, wherein a plurality of first threaded holes (101), mounting holes (201) and countersunk screws (102) are provided, and a plurality of first threaded holes (101) are circumferentially arranged at the edge of the filter cavity (1).
4. The window coupling structure with the changeable resonance post position according to claim 2, wherein a second threaded hole (202) is formed in the filter cover plate (2), a frequency adjusting screw (203) is connected to the second threaded hole (202) in a threaded mode, a nut (204) is connected to the frequency adjusting screw (203) in a threaded mode, and the nut (204) abuts against the top outer wall of the filter cover plate (2).
5. The window coupling structure with the changeable resonance column position according to claim 1, wherein a first mounting plate (4) is connected to the outer wall of the filter cavity (1), the first mounting plate (4) is fixedly connected to the outer wall of the filter cavity (1) through a first coil screw (401), and the input connector (402) and the first mounting plate (4) are integrally formed.
6. The window coupling structure with the changeable resonance column position according to claim 5, wherein a first filling block (403) is arranged in the input connector (402), an input core bar (404) is connected to the first filling block (403), and the input core bar (404) is arranged in the filter cavity (1).
7. The window coupling structure with the changeable resonance post position according to claim 6, wherein a second mounting plate (5) is connected to an outer wall of one surface of the filter cavity (1) far away from the first mounting plate (4), the second mounting plate (5) is connected with the filter cavity (1) through a second pan head screw (501), and the second mounting plate (5) and the output connector (502) are integrally formed.
8. The window coupling structure with the changeable resonance post position according to claim 7, wherein a second filling block (503) is arranged in the output connector (502), an output core rod (504) is connected to the second filling block (503), and the output core rod (504) is arranged in the filter cavity (1).
9. The window coupling structure with the changeable resonance post position according to claim 1, wherein the waist-shaped groove (104) and the resonance post body (3) are respectively provided with a plurality of corresponding grooves, the top and the bottom of the resonance post body (3) are respectively provided with a first groove (301) and a second groove (302), a third threaded hole is arranged between the first groove (301) and the second groove (302), and the resonance post fastening screw (105) is connected in the third threaded hole.
10. The window coupling structure with variable resonant column positions according to claim 9, characterized in that the inner wall of the filter cavity (1) is provided with a bump (103).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322038512.4U CN220604952U (en) | 2023-08-01 | 2023-08-01 | Window coupling structure with changeable resonant column position |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322038512.4U CN220604952U (en) | 2023-08-01 | 2023-08-01 | Window coupling structure with changeable resonant column position |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220604952U true CN220604952U (en) | 2024-03-15 |
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ID=90180940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322038512.4U Active CN220604952U (en) | 2023-08-01 | 2023-08-01 | Window coupling structure with changeable resonant column position |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220604952U (en) |
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2023
- 2023-08-01 CN CN202322038512.4U patent/CN220604952U/en active Active
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