An integrated cavity filter applied to inter-satellite microwave communication

Abstract

The application discloses an integrated cavity filter applied to intersatellite microwave communication and belongs to the technical field of cavity filters, which comprises a box body, a cavity is arranged in the box body, a cover plate is arranged on the top surface of the cavity, the cover plate is threadedly connected with the box body, a plurality of threaded holes are formed in the cover plate, a tuning screw is arranged in each threaded hole, a nut is arranged on the outer periphery of the tuning screw, a spring washer is arranged between the nut and the cover plate, an adjusting groove is formed in the top surface of the tuning screw, an adjusting block is arranged on the tuning screw in a vertical sliding mode through the adjusting groove, and the top end of the adjusting block extends out of the adjusting groove and is fixed with an adjusting plate. The application can reduce the possibility of loosening or vibration of the tuning screw in the mechanical mode, thereby guaranteeing the stability of the filter.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of cavity filters, and in particular to an integrated cavity filter applied to inter-satellite microwave communication. BACKGROUND

[0002] In today's booming space industry, inter-satellite microwave communication, as a key means of information exchange between satellites, is self-evident in its importance. With the diversification and complexity of various space missions, the performance requirements for inter-satellite microwave communication are becoming higher and higher. Inter-satellite microwave communication has many advantages, such as being able to achieve high-speed data transmission, meeting the demand for rapid exchange of large amounts of data, and having a long transmission distance to ensure that satellites can still communicate effectively in the vast universe.

[0003] In inter-satellite microwave communication, filters, as key radio frequency components, are used to filter out signals in unwanted frequency bands, ensuring the purity of communication signals and avoiding spectrum pollution and interference. Integrated cavity filters, as a new type of radio frequency filtering technology, have become a research hotspot in high-frequency communication systems due to their good frequency selectivity, efficient signal processing capability, and low insertion loss. An integrated cavity filter includes a cover plate, a cavity, and a tuning screw. The tuning screw is installed on the cover plate and adjusts the resonant frequency by changing its depth into the cavity. The part of the tuning screw that extends out of the cover plate is used for installation and tuning operations. However, if the extended part of the tuning screw is too long, it may cause mechanical looseness or vibration, affecting the stability of the filter. SUMMARY

[0004] To improve the problem that the extended part of the tuning screw may cause mechanical looseness or vibration if it is too long, the present application provides an integrated cavity filter applied to inter-satellite microwave communication.

[0005] The integrated cavity filter applied to inter-satellite microwave communication provided by the present application adopts the following technical solution:

[0006] An integrated cavity filter applied to inter-satellite microwave communication includes a box body, a cavity is arranged in the box body, a cover plate is installed on the top surface of the cavity, the cover plate is threadedly connected with the box body, a plurality of threaded holes are formed in the cover plate, a tuning screw is arranged in each threaded hole, a nut is arranged around the outer periphery of the tuning screw, a spring washer is arranged between the nut and the cover plate, an adjusting groove is formed in the top surface of the tuning screw, an adjusting block is vertically slidably arranged in the adjusting groove, and an adjusting plate is fixed to the top end of the adjusting block.

[0007] By adopting the technical scheme, the combination of the spring washer and the nut ensures that the tuning screw will not loosen after being tightened, improves the stability of the tuning screw, and the adjustment plate is pulled upward, and the accurate tuning of the tuning screw can be realized by rotating the adjustment plate, so that the tuning process is more accurate, the tuning precision of the filter is improved, and after the adjustment is completed, the adjustment plate is moved downward, so that the protruding part of the tuning screw will not be too long, reducing the possibility of loosening or vibration of the tuning screw on the machine, thereby ensuring the stability of the filter.

[0008] Preferably, the side surface of the adjustment block is fixed with a limiting block, and the inner wall of the adjustment groove is provided with a limiting groove, and the limiting block is vertically slidably connected with the tuning screw through the limiting groove.

[0009] By adopting the technical scheme, the limiting block moves vertically in the limiting groove, which can ensure that the adjustment block will not be separated from the tuning screw.

[0010] Preferably, the outer periphery of the tuning screw is provided with an insulating sleeve, the bottom surface of the insulating sleeve is provided with a positioning groove, the inner wall of the positioning groove is in contact with the outer side of the nut, the bottom surface of the insulating sleeve is provided with a plurality of positioning holes, the plurality of positioning holes are arranged along the circumference of the insulating sleeve, and the top surface of the cover plate is fixed with a protrusion which can be inserted into the positioning hole.

[0011] By adopting the technical scheme, the use of the insulating sleeve effectively isolates the electrical contact between the tuning screw and the cover plate, reduces the electromagnetic interference, improves the electromagnetic compatibility of the filter, and the positioning hole and the protrusion are inserted and matched to fix the position of the insulating sleeve, so that the insulating sleeve will not rotate, and the nut will not be easily rotated, thereby preventing the tuning screw from loosening.

[0012] Preferably, the top surface of the insulating sleeve is provided with two moving grooves, a moving rod is vertically slidably installed in the moving groove, the outer periphery of the moving rod is provided with a moving ring, the inner wall of the moving groove is provided with a sliding groove, the moving ring is vertically slidably connected with the insulating sleeve through the sliding groove, the outer periphery of the moving rod is provided with a moving spring, the top end of the moving spring is fixedly connected with the inner top surface of the sliding groove, the bottom end of the moving spring is fixedly connected with the top surface of the moving ring, the top end of the moving rod is fixed with an abutting plate, the top of the cover plate is provided with a top plate, the top plate is threadedly connected with the box body, and the bottom surface of the top plate is provided with an abutting groove for inserting the abutting plate.

[0013] By adopting the technical scheme, after the top plate is threadedly connected with the box body, the abutting plate can be inserted into the abutting groove under the elastic force of the moving spring, so that the insulating sleeve is not easily displaced.

[0014] Preferably, the bottom surface of the abutting plate is provided with an abutting groove, the abutting plate is vertically slidably installed with an abutting block through the abutting groove, the top surface of the abutting block is fixed with an abutting spring, the top end of the abutting spring is fixedly connected with the inner top surface of the abutting groove, and the bottom surface of the abutting block can abut against the top surface of the adjusting plate.

[0015] By adopting the above technical scheme, the design of the abutting spring and the abutting block further ensures the stability of the adjusting plate, the abutting of the abutting block and the adjusting plate reduces the vibration of the tuning screw during work, and the performance stability of the filter is improved.

[0016] Preferably, the bottom of the box body is provided with a mounting plate, the top surface of the mounting plate is provided with a mounting groove, the box body can be inserted into the mounting groove, the inner wall of the mounting groove is provided with an insertion groove, the mounting plate is slidably installed with an insertion block through the insertion groove along the width direction of the mounting plate, the outer side surface of the box body is provided with an insertion slot for inserting the insertion block, the side surface of the insertion block away from the box body is fixed with a spring one, the end of the spring one away from the insertion block is fixedly connected with the inner wall of the insertion groove, and the top surface of the insertion block is provided with an inclined surface one, and the inclined surface one is located on the side of the insertion block close to the box body.

[0017] By adopting the above technical scheme, the box body is inserted into the mounting groove, the bottom of the box body abuts against the inclined surface one and pushes the insertion block into the insertion groove, and when the bottom surface of the box body abuts against the inner bottom surface of the mounting groove, the insertion block is inserted into the insertion groove under the elastic force of the spring one, so that the quick positioning and fixing of the box body and the mounting plate are realized.

[0018] Preferably, the bottom surface of the mounting groove is provided with a buffer groove, the mounting plate is vertically slidably installed with a buffer plate through the buffer groove, and the bottom surface of the buffer plate is fixed with a spring two, and the bottom end of the spring two is fixedly connected with the inner bottom surface of the buffer groove.

[0019] By adopting the above technical scheme, the design of the buffer plate and the spring two further improves the anti-vibration performance of the filter, can effectively absorb external vibration and impact, protects the internal structure of the filter, and prolongs the service life.

[0020] Preferably, the mounting plate is provided with a control groove, a control ring is rotatably installed in the control groove, four equally spaced pull ropes are fixedly connected with the outer circumferential surface of the control ring, the pull ropes correspond one-to-one to the insertion blocks, the end of the pull rope away from the control ring is fixedly connected with the corresponding insertion block, the mounting plate is provided with a connecting channel in communication with the control groove, the pull rope is arranged in the connecting channel, and the mounting plate is provided with a rotating piece for controlling the rotation of the control ring.

[0021] By adopting the technical scheme, the four insertion blocks can be pulled out simultaneously by controlling the design of the circular ring and the pull rope, and the work efficiency is improved.

[0022] Preferably, the rotating member comprises a rotating rod penetrating into the control ring, the outer circumferential surface of the rotating rod is fixed with a synchronous bar, the inner circumferential surface of the control ring is provided with a synchronous groove, the synchronous bar is in sliding fit with the synchronous bar along the axial direction of the control ring through the synchronous groove, and the bottom end of the rotating rod is fixed with a screw rod which is in threaded connection with the mounting plate.

[0023] By adopting the technical scheme, the screw rod is rotated, the synchronous rod and the synchronous bar are simultaneously rotated by the screw rod, and the control ring is driven to rotate.

[0024] In summary, the present application has at least one of the following beneficial technical effects:

[0025] 1. The combination of the spring washer and the nut ensures that the tuning screw will not loosen after being tightened, improves the stability of the tuning screw, pulls the adjusting plate upward, and rotates the adjusting plate to realize accurate tuning of the tuning screw, so that the tuning process is more accurate, improves the tuning accuracy of the filter, and after the adjustment is completed, the extending part of the tuning screw will not be too long, reducing the possibility of loosening or vibration of the tuning screw in the machine, thereby ensuring the stability of the filter;

[0026] 2. The use of the insulating sleeve effectively isolates the electrical contact between the tuning screw and the cover plate, reduces electromagnetic interference, improves the electromagnetic compatibility of the filter, and the positioning hole and the protruding plug-in fit can fix the position of the insulating sleeve to ensure that it will not rotate, thereby ensuring that the nut is not easy to rotate, further preventing the tuning screw from loosening;

[0027] 3. After the top plate is screwed with the box body, the abutment plate can be inserted into the abutment groove under the elastic force of the moving spring, so that the insulating sleeve is not easy to displace. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 is the overall structure schematic diagram of the integrated cavity filter applied to inter-satellite microwave communication of the embodiment of the present application.

[0029] Figure 2 is the sectional view of the box body in the integrated cavity filter applied to inter-satellite microwave communication of the embodiment of the present application.

[0030] Figure 3 is the structure schematic diagram of the tuning screw in the integrated cavity filter applied to inter-satellite microwave communication of the embodiment of the present application.

[0031] Figure 4This is a cross-sectional view of the tuning screw in an integrated cavity filter used in inter-satellite microwave communication according to an embodiment of this application.

[0032] Figure 5 This is a schematic diagram of the insulating sleeve in an integrated cavity filter used for inter-satellite microwave communication according to an embodiment of this application.

[0033] Figure 6 This is a cross-sectional view of the insulating sleeve in an integrated cavity filter used in inter-satellite microwave communication according to an embodiment of this application.

[0034] Figure 7 This is a cross-sectional view of the mounting plate in an integrated cavity filter used for inter-satellite microwave communication according to an embodiment of this application.

[0035] Figure 8 yes Figure 7 Enlarged diagram of point A in the middle.

[0036] Figure 9 yes Figure 7 Enlarged diagram of point B in the middle.

[0037] Reference numerals: 1. Box body; 11. Cavity; 12. Top plate; 121. Abutment groove; 13. Insertion groove; 2. Cover plate; 21. Threaded hole; 22. Nut; 23. Spring washer; 24. Protrusion; 3. Tuning screw; 31. Adjustment groove; 32. Adjustment block; 33. Adjustment plate; 34. Limiting block; 35. Limiting groove; 4. Insulating sleeve; 41. Positioning groove; 42. Positioning hole; 43. Moving rod; 44. Moving groove; 45. Moving ring; 46. Moving spring; 47. Sliding groove; 4 8. Abutment plate; 49. Pressing block; 491. Pressing groove; 492. Pressing spring; 5. Mounting plate; 51. Mounting groove; 52. Insert block; 53. Slot; 54. Spring one; 55. Inclined surface one; 6. Buffer plate; 61. Buffer groove; 62. Spring two; 7. Control ring; 71. Control groove; 72. Pull rope; 73. Connecting channel; 731. Channel one; 732. Channel two; 733. Channel three; 74. Rotating rod; 75. Synchronizing bar; 76. Synchronizing groove; 77. Screw. Detailed Implementation

[0038] The following is in conjunction with the appendix Figures 1-9 This application will be described in further detail.

[0039] This application discloses an integrated cavity filter for inter-satellite microwave communication. (Refer to...) Figure 1 and Figure 2 The integrated cavity filter for inter-satellite microwave communication includes a housing 1, within which a cavity 11 is disposed. A cover plate 2 is mounted on top of the cavity 11, and the cover plate 2 is threadedly connected to the housing 1.

[0040] ReferenceFigure 3 A plurality of threaded holes 21 are formed in the cover plate 2, and tuning screws 3 are inserted into the threaded holes 21. A nut 22 is sleeved on the outer periphery of the tuning screw 3, and a spring washer 23 is arranged between the nut 22 and the cover plate 2. The combination of the spring washer 23 and the nut 22 ensures that the tuning screw 3 will not loosen after being tightened, thereby improving the stability of the tuning screw 3.

[0041] Referring to Figure 4 A regulating groove 31 is formed in the top surface of the tuning screw 3, and a regulating block 32 is arranged in the regulating groove 31 in a vertical sliding manner. The top end of the regulating block 32 protrudes out of the regulating groove 31 and is fixed with a regulating plate 33. A limiting block 34 is fixed to the side surface of the regulating block 32, and a limiting groove 35 is formed in the inner wall of the regulating groove 31. The limiting block 34 is in vertical sliding cooperation with the tuning screw 3 through the limiting groove 35. The regulating plate 33 is pulled upward, and the accurate tuning of the tuning screw 3 can be realized by rotating the regulating plate 33, so that the tuning process is more accurate, and the tuning accuracy of the filter is improved.

[0042] Referring to Figure 2 , Figure 3 and Figure 5 An insulating sleeve 4 is sleeved on the outer periphery of the tuning screw 3. A positioning groove 41 is formed in the bottom surface of the insulating sleeve 4, and the inner wall of the positioning groove 41 is in close contact with the outer side of the nut 22. A plurality of positioning holes 42 are formed in the bottom surface of the insulating sleeve 4, and the positioning holes 42 are arranged in the circumferential direction of the insulating sleeve 4. A protrusion 24 is fixed to the top surface of the cover plate 2, and the protrusion 24 can be inserted into the positioning hole 42.

[0043] The use of the insulating sleeve 4 effectively isolates the electrical contact between the tuning screw 3 and the cover plate 2, reduces electromagnetic interference, and improves the electromagnetic compatibility of the filter. At the same time, the plug-in cooperation of the positioning hole 42 and the protrusion 24 can fix the position of the insulating sleeve 4, ensure that it will not rotate, and further ensure that the nut 22 is not easy to rotate, thereby further preventing the tuning screw 3 from loosening.

[0044] Referring to Figure 2 and Figure 6The top surface of the insulating sleeve 4 is provided with a plurality of moving grooves 44, and a moving rod 43 is vertically slidably installed in the moving grooves 44. The moving rod 43 is sleeved with a moving ring 45, the inner wall of the moving groove 44 is provided with a sliding groove 47, and the moving ring 45 is vertically slidably matched with the insulating sleeve 4 through the sliding groove 47. The outer periphery of the moving rod 43 is sleeved with a moving spring 46, the top end of the moving spring 46 is fixedly connected with the inner top surface of the sliding groove 47, and the bottom end of the moving spring 46 is fixedly connected with the top surface of the moving ring 45. The top plate 12 is installed at the top of the cover plate 2 and is threadedly connected with the box body 1. The top end of the moving rod 43 is fixedly connected with an abutting plate 48, and the bottom surface of the top plate 12 is provided with an abutting groove 121 for inserting the abutting plate 48. After the top plate 12 is threadedly connected with the box body 1, the abutting plate 48 can be inserted into the abutting groove 121 under the elastic force of the moving spring 46, so that the insulating sleeve 4 is not easy to displace.

[0045] With reference to Figure 3 and Figure 6 The bottom surface of the abutting plate 48 is provided with an abutting groove 491, and the abutting plate 48 is vertically slidably installed with an abutting block 49 through the abutting groove 491. The top surface of the abutting block 49 is fixedly connected with an abutting spring 492, the top end of the abutting spring 492 is fixedly connected with the inner top surface of the abutting groove 491, and the bottom surface of the abutting block 49 can abut against the top surface of the adjusting plate 33. Through the abutment of the abutting block 49 and the adjusting plate 33, the vibration of the tuning screw 3 in the working process can be reduced, and the performance stability of the filter can be improved.

[0046] With reference to Figure 7 and Figure 8 The bottom of the box body 1 is provided with a mounting plate 5, the top surface of the mounting plate 5 is provided with a mounting groove 51, and the box body 1 can be inserted into the mounting groove 51. The inner wall of the mounting groove 51 is provided with an insertion groove 53, the mounting plate 5 is slidably installed with an insertion block 52 along the width direction of the mounting plate 5 through the insertion groove 53, and the outer side surface of the box body 1 is provided with an insertion groove 13 for inserting the insertion block 52. The side of the insertion block 52 away from the box body 1 is fixedly connected with a spring 54, and the end of the spring 54 away from the insertion block 52 is fixedly connected with the inner wall of the insertion groove 53. The top surface of the insertion block 52 is provided with an inclined surface 55, and the inclined surface 55 is located on the side of the insertion block 52 close to the box body 1.

[0047] After the box body 1 is inserted into the mounting groove 51, the bottom of the box body 1 abuts against the inclined surface 55 and pushes the insertion block 52 into the insertion groove 53, and when the bottom surface of the box body 1 abuts against the inner bottom surface of the mounting groove 51, the insertion block 52 is inserted into the insertion groove 53 under the elastic force of the spring 54, thereby realizing the quick positioning and fixing of the box body 1 and the mounting plate 5.

[0048] With reference to Figure 7 and Figure 9The control groove 71 is arranged in the mounting plate 5, and the control ring 7 is rotatably arranged in the control groove 71. The outer circumferential surface of the control ring 7 is fixedly connected with four equally spaced pull ropes 72, the pull ropes 72 correspond to the plug blocks 52 one by one, and the ends of the pull ropes 72 away from the control ring 7 are fixedly connected with the corresponding plug blocks 52. The mounting plate 5 is provided with a connecting channel 73 in communication with the control groove 71, and the pull ropes 72 are arranged in the connecting channel 73. The connecting channel 73 includes a channel one 731, a channel two 732 and a channel three 733 connected in sequence, the channel one 731 is in communication with the control groove 71, and the channel three 733 is in communication with the side of the plug groove 53 away from the box body 1. The rotating rod 74 is arranged in the control ring 7, and the outer circumferential surface of the rotating rod 74 is fixedly connected with the synchronous bar 75. The inner circumferential surface of the control ring 7 is provided with a synchronous groove 76, and the synchronous bar 75 is in sliding fit with the synchronous bar 75 along the axial direction of the control ring 7 through the synchronous groove 76. The bottom end of the rotating rod 74 is fixedly connected with the screw rod 77, and the screw rod 77 is in threaded connection with the mounting plate 5.

[0049] The screw rod 77 is rotated, the synchronous rod and the synchronous bar 75 are simultaneously rotated, the control ring 7 is driven to rotate, the plug blocks 52 are driven to move through the pull ropes 72, and the plug blocks 52 are separated from the plug-in grooves 13.

[0050] Referring to Figure 7 The bottom surface of the mounting groove 51 is provided with a buffer groove 61, and the mounting plate 5 is vertically slidably arranged in the buffer groove 61 and connected with the buffer plate 6. The bottom surface of the buffer plate 6 is fixedly connected with the spring 62, and the bottom end of the spring 62 is fixedly connected with the inner bottom surface of the buffer groove 61. The design of the buffer plate 6 and the spring 62 further improves the anti-vibration performance of the filter, effectively absorbs external vibration and impact, protects the internal structure of the filter, and prolongs the service life of the filter.

[0051] The implementation principle of the integrated cavity filter applied to the inter-satellite microwave communication is as follows: the adjusting plate 33 is pulled upward, the accurate tuning of the tuning screw 3 can be realized by rotating the adjusting plate 33, the tuning process is more accurate, the tuning accuracy of the filter is improved, and after the adjustment is completed, the protruding part of the tuning screw 3 is not too long, the possibility of loosening or vibration of the tuning screw 3 in the machine is reduced, and then the stability of the filter is ensured.

[0052] The above are preferred embodiments of the present application, which do not limit the protection scope of the present application, therefore: any equivalent changes made on the structure, shape and principle of the present application should be covered within the protection scope of the present application.

Claims

1. An integrated cavity filter for inter-satellite microwave communication, characterized in that: The utility model provides a filter, including box (1), be provided with cavity (11) in box (1), the upper installation of cavity (11) is covered (2), covered (2) is connected with box (1) screw thread, a plurality of threaded holes (21) are seted up on covered (2), the threaded hole (21) is inserted with tuning screw (3), the outer periphery of tuning screw (3) is equipped with nut (22), spring washer (23) is installed between nut (22) and covered (2), the top surface of tuning screw (3) is equipped with adjusting groove (31), tuning screw (3) is installed adjusting block (32) along the vertical sliding of adjusting groove (31), the top end of adjusting block (32) is out of adjusting groove (31) and is fixed with adjusting plate (33), adjusting plate (33) is pulled up, and the accurate tuning of tuning screw (3) can be realized by rotating adjusting plate (33), so that the tuning process is more accurate, improves the tuning accuracy of filter, and after adjusting is completed, adjusting plate (33) is moved down, so that the protruding part of tuning screw (3) is not too long.

2. The integrated cavity filter for inter-satellite microwave communication of claim 1, wherein: The side of adjusting block (32) is fixed with limiting block (34), the inner wall of adjusting groove (31) is equipped with limiting groove (35), limiting block (34) is slidably connected with tuning screw (3) along the vertical direction through limiting groove (35).

3. The integrated cavity filter for inter-satellite microwave communications of claim 1, wherein: The outer periphery of tuning screw (3) is equipped with insulating sleeve (4), the bottom surface of insulating sleeve (4) is equipped with positioning groove (41), the inner wall of positioning groove (41) is attached to the outer side of nut (22), the bottom surface of insulating sleeve (4) is equipped with a plurality of positioning holes (42), a plurality of positioning holes (42) are arranged along the circumferential direction of insulating sleeve (4), the top surface of cover plate (2) is fixed with protrusion (24), and protrusion (24) can be inserted into positioning hole (42).

4. The integrated cavity filter for inter-satellite microwave communications of claim 3, wherein: The top surface of insulating sleeve (4) is equipped with two moving grooves (44), moving rod (43) is slidably arranged in moving groove (44) along the vertical direction, moving ring (45) is arranged on the outer periphery of moving rod (43), sliding groove (47) is formed in the inner wall of moving groove (44), moving ring (45) is slidably connected with insulating sleeve (4) along the vertical direction through sliding groove (47), moving spring (46) is arranged on the outer periphery of moving rod (43), the top end of moving spring (46) is fixedly connected with the inner top surface of sliding groove (47), the bottom end of moving spring (46) is fixedly connected with the top surface of moving ring (45), the top end of moving rod (43) is fixedly connected with abutting plate (48), the top surface of cover plate (2) is fixedly connected with top plate (12), the bottom surface of top plate (12) is equipped with abutting groove (121) for inserting abutting plate (48).

5. The integrated cavity filter for inter-satellite microwave communications of claim 4, wherein: The bottom surface of the abutting plate (48) is provided with an abutting groove (491), the abutting plate (48) is vertically slidably installed with an abutting block (49) through the abutting groove (491), the top surface of the abutting block (49) is fixed with an abutting spring (492), the top end of the abutting spring (492) is fixedly connected with the inner top surface of the abutting groove (491), and the bottom surface of the abutting block (49) can abut with the top surface of the adjusting plate (33).

6. The integrated cavity filter for inter-satellite microwave communications of claim 1, wherein: The bottom of the box body (1) is provided with a mounting plate (5), the top surface of the mounting plate (5) is provided with a mounting groove (51), the box body (1) can be inserted into the mounting groove (51), the inner wall of the mounting groove (51) is provided with an insertion groove (53), the mounting plate (5) is slidably installed with an insertion block (52) through the insertion groove (53) along the width direction of the mounting plate (5), the outer side surface of the box body (1) is provided with an insertion groove (13) for inserting the insertion block (52), the side surface of the insertion block (52) away from the box body (1) is fixed with a spring (54), one end of the spring (54) away from the insertion block (52) is fixedly connected with the inner wall of the insertion groove (53), and the top surface of the insertion block (52) is provided with an inclined surface (55) located on the side of the insertion block (52) close to the box body (1).

7. The integrated cavity filter for inter-satellite microwave communications of claim 6, wherein: The bottom surface of the mounting groove (51) is provided with a buffer groove (61), the mounting plate (5) is vertically slidably installed with a buffer plate (6) through the buffer groove (61), the bottom surface of the buffer plate (6) is fixed with a spring (62), and the bottom end of the spring (62) is fixedly connected with the inner bottom surface of the buffer groove (61).

8. The integrated cavity filter for inter-satellite microwave communications of claim 7, wherein: The mounting plate (5) is provided with a control groove (71), a control ring (7) is rotatably installed in the control groove (71), four equally spaced pull ropes (72) are fixedly connected to the outer circumferential surface of the control ring (7), the pull ropes (72) correspond one-to-one to the insertion blocks (52), one end of each pull rope (72) away from the control ring (7) is fixedly connected to the corresponding insertion block (52), the mounting plate (5) is provided with a connecting channel (73) in communication with the control groove (71), the pull ropes (72) are arranged in the connecting channel (73), and the mounting plate (5) is provided with a rotating member for controlling the rotation of the control ring (7).

9. The integrated cavity filter for inter-satellite microwave communications of claim 8, wherein: The rotating member comprises a rotating rod (74) arranged in the control ring (7), a synchronous strip (75) is fixedly connected to the outer circumferential surface of the rotating rod (74), a synchronous groove (76) is formed in the inner circumferential surface of the control ring (7), the synchronous strip (75) is slidably connected to the synchronous strip (75) along the axial direction of the control ring (7) through the synchronous groove (76), the bottom end of the rotating rod (74) is fixedly connected with a screw rod (77), and the screw rod (77) is threadedly connected with the mounting plate (5).

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