Improved high-power waveguide filter

Abstract

The utility model relates to the technical field of waveguide filters, and provides an improved high-power waveguide filter which comprises a base, a fixing frame is arranged above the base, a supporting block is fixed to the edge of the bottom face of the fixing frame, the lower end of the supporting block is fixed to the top face of the base, and a rotating hole is formed in the middle of the top face of the inner side of the fixing frame. A rotating plate is arranged below the rotating hole, and a rotating shaft is fixed to the edge of the top face of the rotating plate. The two semicircular blocks are clamped into the inner sides of the two semicircular grooves in the side wall of the mounting plate to fix the mounting plate, mounting of the filter body is completed, and the filter body can be mounted only by rotating the rotating plate by 180 degrees, driving the second gear to rotate by the rotating plate, driving the first gear to rotate by the second gear and driving the semicircular blocks to rotate by the first gear. And the semicircular block can be completely moved out of the inner side of the semicircular groove after rotating by 180 degrees, so that the filter body can be disassembled, the operation is simple and convenient, and quick disassembly and maintenance when a fault occurs are facilitated.

Description

Technical Field

[0001] This utility model relates to the field of waveguide filter technology, specifically an improved high-power waveguide filter. Background Technology

[0002] Waveguide filters are a type of transmission line filter, typically consisting of discontinuities and transmission line segments. Both can be equivalently represented as corresponding lumped parameter elements and circuits. The waveguide discontinuities provide equivalent reactance, and the transmission line segments act as equivalent resonant cavities. Waveguide filters offer high Q values, low insertion loss, and good temperature stability, making them particularly suitable for narrowband applications. They can achieve 0.2%–3.5% bandpass filtering in the 1.7–26 GHz frequency range and are widely used in various military electronic products requiring high-performance filtering characteristics.

[0003] Waveguide filters need to be installed and fixed during use. However, existing waveguide filters are very troublesome to disassemble after installation. When a waveguide filter fails and needs to be disassembled for repair or replacement, a lot of time is easily spent on disassembly, resulting in slow repair or replacement speed and affecting normal use.

[0004] Therefore, an improved high-power waveguide filter that can be easily disassembled is needed. Utility Model Content

[0005] To address the aforementioned issues, this invention proposes an improved high-power waveguide filter that enables rapid disassembly, improves the efficiency of maintenance or replacement, and reduces the impact of faults.

[0006] To achieve the above objectives, the present invention proposes the following specific solutions:

[0007] An improved high-power waveguide filter includes a base, a mounting frame on top of the base, a support block fixed to the bottom edge of the mounting frame, the lower end of the support block fixed to the top surface of the base, a rotating hole in the center of the inner top surface of the mounting frame, a rotating plate below the rotating hole, a rotating shaft fixed to the top edge of the rotating plate, the rotating shaft passing through the rotating hole, a second gear fixed to the top of the rotating shaft, a mounting plate fixed to the top of the mounting frame, the mounting plate being above the second gear, symmetrically fixed fixing rings on the sidewalls of the mounting plate, a first gear symmetrically arranged below the mounting plate, the first gear meshing with the second gear, a connecting shaft fixed to the center of the top surface of the first gear, the connecting shaft passing through the fixing rings, a semi-circular block fixed to the top of the connecting shaft, the semi-circular block being above the mounting plate, a filter body on top of the mounting plate, a mounting plate fixed to the bottom surface of the filter body, symmetrically provided semi-circular grooves on the sidewalls of the mounting plate, and the semi-circular block being located inside the semi-circular grooves.

[0008] As a preferred technical solution for an improved high-power waveguide filter of this utility model, a hollow plate is fixed on the top surface of the base, the hollow plate is located on one side of the rotating plate, and a moving hole is provided in the middle of the inner wall of one side of the hollow plate.

[0009] As a preferred technical solution for an improved high-power waveguide filter of this utility model, a limiting plate is movably inserted into the inner side of the hollow plate, and a pull rod is fixed in the middle of one side wall of the limiting plate, with the pull rod passing through the moving hole.

[0010] As a preferred technical solution for an improved high-power waveguide filter of this utility model, a spring is fixed to one side wall of the limiting plate, the spring is located outside the pull rod, and one end of the spring is fixed to the inner wall of the hollow plate.

[0011] As a preferred technical solution for an improved high-power waveguide filter of this utility model, one end of the rotating plate is provided with a limiting groove, and one end of the limiting plate is located inside the limiting groove.

[0012] As a preferred technical solution for an improved high-power waveguide filter of this utility model, the support plate is symmetrically fixed on the side wall of the fixing frame, and the support plate is located below the first gear.

[0013] As a preferred technical solution for an improved high-power waveguide filter of this utility model, a rectangular groove is provided in the middle of the bottom surface of the mounting plate, and a rectangular block is fixed in the middle of the top surface of the fixing plate, and the rectangular block is movably inserted into the inner side of the rectangular groove.

[0014] As a preferred technical solution for an improved high-power waveguide filter of this utility model, the base has four through holes on its side.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] The top of the connecting shaft on the top surface of the two first gears of this utility model is fixed with a semi-circular block. The mounting plate on the bottom surface of the filter body has two symmetrical semi-circular grooves on its side wall. The semi-circular blocks are stuck in the semi-circular grooves to fix the mounting plate and complete the installation of the filter body. By rotating the rotating plate 180 degrees, the rotating plate drives the second gear to rotate through the rotating shaft. The second gear drives the first gear to rotate. The first gear drives the semi-circular blocks to rotate through the connecting shaft. After rotating 180 degrees, the semi-circular blocks are completely moved out of the semi-circular grooves. At this time, the mounting plate can be disassembled, thereby completing the disassembly of the filter body. The disassembly method is simple and fast, which can effectively improve the efficiency of repair or replacement when the filter body fails.

[0017] This utility model uses a limiting plate inside the hollow plate on the top surface of the base to fix the rotating plate. One end of the limiting plate is inserted into the limiting groove at the end of the rotating plate, which restricts the rotation of the rotating plate. This ensures that the filter body connection will not be loosened due to accidental contact with the rotating plate during use. Simply pull the lever, and the lever can move the limiting plate out of the limiting groove, allowing the rotating plate to rotate. The operation is simple and does not affect the speed of disassembly and maintenance of the filter body. Attached Figure Description

[0018] To better describe the technical solution of this utility model in detail, the present invention will be further described below with reference to the accompanying drawings and embodiments.

[0019] Figure 1 This is a three-dimensional view of the overall structure provided by this utility model;

[0020] Figure 2 This is a three-dimensional sectional view of the present invention;

[0021] Figure 3 This is a perspective view of the fixing frame of this utility model;

[0022] Figure 4 This is a perspective view of the fixing plate of this utility model;

[0023] Figure 5 This is a perspective view of the first gear of this utility model;

[0024] Figure 6 This is a perspective view of the rotating plate of this utility model;

[0025] Figure 7 This utility model Figure 2 Enlarged view of point A in the middle;

[0026] Figure 8 This utility model Figure 2 Enlarged diagram of point B in the middle.

[0027] In the diagram: 1. Base; 11. Through hole; 12. Hollow plate; 121. Moving hole; 13. Limiting plate; 131. Pull rod; 132. Spring; 2. Fixing frame; 21. Support plate; 22. Rotating hole; 23. Support block; 3. Fixing plate; 31. Fixing ring; 32. Rectangular block; 4. First gear; 41. Connecting shaft; 411. Semi-circular block; 5. Rotating plate; 51. Rotating shaft; 511. Second gear; 52. Limiting groove; 6. Filter body; 61. Mounting plate; 611. Rectangular groove; 612. Semi-circular groove. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model. Example

[0029] Please see Figure 1-8 As shown, this utility model provides the following technical solution: an improved high-power waveguide filter, including a base 1, with four through holes 11 on the side of the base 1. The through holes 11 are used to connect bolts to fix the base 1 in a suitable position, so as to maintain the stability of the filter body 6 after installation, and the base 1 does not need to be repeatedly disassembled.

[0030] Reference Figure 1 , Figure 2 , Figure 3 and Figure 6 As shown, specifically, a fixing frame 2 is provided above the base 1 to support the fixing plate 3, the second gear 511, and other structures. A support block 23 is fixed to the bottom edge of the fixing frame 2 to fix the fixing frame 2 to the base 1. The lower end of the support block 23 is fixed to the top surface of the base 1. A rotating hole 22 is provided in the middle of the inner top surface of the fixing frame 2 for connecting and rotating the rotating shaft 51. A rotating plate 5 is provided below the rotating hole 22 to drive the rotating shaft 51 to rotate. The rotating shaft 51 is fixed to the top edge of the rotating plate 5 to drive the second gear 511 to rotate. Shaft 51 passes through rotating hole 22, and a second gear 511 is fixed at the top of shaft 51, which can drive the first gear 4 to rotate. In this solution, rotating plate 5 rotates 180 degrees, and rotating plate 5 can drive the second gear 511 to rotate through rotating shaft 51. The second gear 511 drives the first gear 4 to rotate, thereby causing the semi-circular block 411 to rotate out of the inner side of semi-circular groove 612, completing the disassembly of filter body 6. Disassembly can be completed by rotating rotating plate 5, which greatly improves the efficiency of disassembly, maintenance or replacement and reduces the impact of filter body 6 failure. Example

[0031] In another embodiment of this solution, refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7As shown, specifically, a fixing plate 3 is fixed to the top of the fixing frame 2 to support the mounting plate 61. The fixing plate 3 is located above the second gear 511. Fixing rings 31 are symmetrically fixed to the side wall of the fixing plate 3 to connect the connecting shaft 41. A first gear 4 is symmetrically arranged below the fixing plate 3, which can drive the connecting shaft 41 to rotate. The first gear 4 meshes with the second gear 511. A connecting shaft 41 is fixed to the middle of the top surface of the first gear 4 to drive the first gear 4 to rotate. The connecting shaft 41 passes through the fixing ring 31. A semi-circular block 411 is fixed to the top of the connecting shaft 41 to limit the mounting plate 61. The semi-circular block 411 is located above the fixing plate 3. Support plates 21 are symmetrically fixed to the side wall of the fixing frame 2 to support the first gear 4 from below. The support plates 21 are located below the first gear 4. A filter body 6 is provided above the fixing plate 3 (the filter body 6 is existing technology. The specific operation mode and principle can be referred to the waveguide filter in the existing technology, which is used to suppress unwanted frequency signals while allowing signals of the required frequency. Therefore, it is not described in detail here). The mounting plate 61 is fixed to the bottom surface of the filter body 6. The mounting plate 61 is used for the installation and removal of the filter body 6. Symmetrical semi-circular grooves 612 are provided on the sidewalls of the mounting plate 61 for connecting semi-circular blocks 411. The semi-circular blocks 411 are located inside the semi-circular grooves 612. A rectangular groove 611 is provided in the center of the bottom surface of the mounting plate 61 for connecting rectangular blocks 32. A rectangular block 32 is fixed in the center of the top surface of the fixing plate 3. The rectangular block 32 is movably inserted into the inner side of the rectangular groove 611. When the mounting plate 61 is placed on the fixing plate 3, the rectangular block 32 is inserted into the inner side of the rectangular groove 611, preventing the mounting plate 61 from shifting on the fixing plate 3. In this design, the rotating plate 5 drives the second gear 511 to rotate, which in turn drives the two first gears 4 to rotate. The two first gears 4 then drive the two connecting shafts 41 to rotate, which in turn drive the two semi-circular blocks 411 to rotate. After rotating 180 degrees, the two semi-circular blocks 411 completely move out of the inner side of the semi-circular groove 612, thus releasing the restriction on the mounting plate 61. The mounting plate 61 can then be moved upwards for disassembly, thereby completing the disassembly of the filter body 6. The operation is simple and convenient, and can improve the efficiency of maintenance and replacement. Example

[0032] In another embodiment of this solution, refer to Figure 1 , Figure 2 , Figure 6 and Figure 8As shown, specifically, a hollow plate 12 is fixed to the top surface of the base 1 to accommodate the limiting plate 13. The hollow plate 12 is located on one side of the rotating plate 5. A moving hole 121 is provided in the middle of the inner wall of one side of the hollow plate 12, providing a channel for the connection and movement of the pull rod 131. The limiting plate 13 is movably inserted into the inner side of the hollow plate 12 to restrict the rotation of the rotating plate 5. A pull rod 131 is fixed in the middle of the side wall of the limiting plate 13 for pulling the limiting plate 13 to move. The pull rod 131 passes through the moving hole 121. A spring 132 is fixed in the side wall of the limiting plate 13. The elastic thrust of the spring 132 can ensure that the limiting plate 13 is stably located in the limiting groove 52. Inside, spring 132 is located outside of pull rod 131. One end of spring 132 is fixed to the inner wall of hollow plate 12. One end of rotating plate 5 is provided with limiting groove 52. One end of limiting plate 13 is located inside limiting groove 52, which can limit the rotation of rotating plate 5. This solution limits the rotation of rotating plate 5 by inserting limiting plate 13 into limiting groove 52, which avoids the filter body 6 being unstable due to accidental contact with rotating plate 5. Moreover, only pull rod 131 is needed to move limiting plate 13 out of limiting groove 52, so that rotating plate 5 can rotate. This will not hinder the disassembly of filter body 6, nor will it affect the speed of disassembly.

[0033] The working principle and usage process of this utility model:

[0034] When the filter body 6 malfunctions during operation, first pull the lever 131. The lever 131 drives the limiting plate 13 to compress the spring 132 and move it out of the limiting groove 52 at the end of the rotating plate 5. Then, the rotating plate 5 rotates 180 degrees, which drives the rotating shaft 51 to rotate. The rotating shaft 51 drives the second gear 511 to rotate, which drives the two first gears 4 to rotate. The two first gears 4 drive the two connecting shafts 41 to rotate, which drives the two semi-circular blocks 411 to rotate. After the two semi-circular blocks 411 rotate 180 degrees, they completely move out of the semi-circular grooves 612 symmetrically arranged on the side wall of the mounting plate 61, thus losing their limiting function on the mounting plate 61. Finally, the filter body 6 is moved upward, which drives the mounting plate 61 to move upward. The rectangular groove 611 separates from the rectangular block 32, thus completing the disassembly of the filter body 6 for repair or replacement.

[0035] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. An improved high power waveguide filter comprising a base (1), characterized in that: The base (1) is provided with a fixed frame (2) above, the fixed frame (2) bottom edge is fixed with a support block (23), the support block (23) lower end is fixed on the base (1) top surface, the fixed frame (2) inner side top surface middle part is provided with a rotating hole (22), the rotating hole (22) lower side is provided with a rotating plate (5), the rotating plate (5) top edge is fixed with a rotating shaft (51), the rotating shaft (51) penetrates the rotating hole (22), the rotating shaft (51) top end is fixed with a second gear (511), the fixed frame (2) top end is fixed with a fixed plate (3), the fixed plate (3) is located above the second gear (511), the fixed plate (3) side wall is fixed with a fixed ring (31) symmetrically, the fixed plate (3) lower side is symmetrically provided with a first gear (4), the first gear (4) is engaged with the second gear (511), the first gear (4) top surface middle part is fixed with a connecting shaft (41), the connecting shaft (41) penetrates the fixed ring (31), the connecting shaft (41) top end is fixed with a semicircular block (411), the semicircular block (411) is located above the fixed plate (3), the fixed plate (3) upper side is provided with a filter body (6), the filter body (6) bottom surface is fixed with a mounting plate (61), the mounting plate (61) side wall is symmetrically provided with a semicircular groove (612), the semicircular block (411) is located inside the semicircular groove (612).

2. The improved high power waveguide filter according to claim 1, wherein: The base (1) top surface is fixed with a hollow plate (12), the hollow plate (12) is located on one side of the rotating plate (5), and the hollow plate (12) one side inner wall middle part is provided with a moving hole (121).

3. The improved high power waveguide filter according to claim 2, wherein: The hollow plate (12) inner side is movably inserted with a limiting plate (13), and the limiting plate (13) one side wall middle part is fixed with a pull rod (131), and the pull rod (131) penetrates the moving hole (121).

4. The improved high power waveguide filter of claim 3, wherein: The limiting plate (13) one side wall is fixed with a spring (132), the spring (132) is located outside the pull rod (131), and one end of the spring (132) is fixed on the hollow plate (12) inner wall.

5. The improved high power waveguide filter of claim 4, wherein: The rotating plate (5) one end is provided with a limiting groove (52), and the limiting plate (13) one end is located inside the limiting groove (52).

6. The improved high power waveguide filter of claim 5, wherein: The fixed frame (2) side wall is fixed with a support plate (21) symmetrically, and the support plate (21) is located below the first gear (4).

7. The improved high power waveguide filter of claim 6, wherein: The mounting plate (61) bottom surface middle part is provided with a rectangular groove (611), and the fixed plate (3) top surface middle part is fixed with a rectangular block (32), which is movably inserted inside the rectangular groove (611).

8. The improved high power waveguide filter of claim 7, wherein: The base (1) edge is provided with a through hole (11), and the through hole (11) is provided with four.

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