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CN-122000740-A - Rectangular coaxial adapter with filtering function

CN122000740ACN 122000740 ACN122000740 ACN 122000740ACN-122000740-A

Abstract

The invention discloses a rectangular coaxial adapter with a filtering function, which relates to the technical field of coaxial adapters and comprises a shell, wherein a conductor is slidably arranged in the shell, two ends of the conductor are provided with bushings, the side wall of each bushing is provided with a through hole, one side of each through hole is provided with a contact head sleeve, the conductor is firstly arranged in the shell, an insulating sleeve is sleeved on an output conductor rod and an input conductor rod, the bushings and the contact head sleeves are sequentially sleeved on the outer sides of the output conductor rod and the input conductor rod, at the moment, a bolt rod on the side wall of each bushing can be inserted into a bolt groove, the limit supporting work of the conductor in the shell can be completed through the cooperation of the bolt groove and the bolt rod, then the equipment connection work can be performed, and an insulating sleeve can limit the output conductor rod and the input conductor rod, so that the shell and the input conductor rod are located at the axle center of a connecting hole.

Inventors

  • LI ZIGANG
  • DING XIA
  • DANG WU
  • ZHANG JINZHOU
  • LEI FENGTAO

Assignees

  • 西安华跃微波科技有限公司

Dates

Publication Date
20260508
Application Date
20260305

Claims (9)

  1. 1. The utility model provides a coaxial adapter of rectangle area filtering capability, its characterized in that, including casing (1), the inside slidable mounting of casing (1) has conductor (2), and the both ends of conductor (2) are equipped with bush (3), via hole (4) have been seted up to the lateral wall of bush (3), and one side of via hole (4) is equipped with contact headgear (5), bush (3) and contact headgear (5) slidable mounting are in the inside of casing (1), and the inside of contact headgear (5) has seted up connecting hole (6), the inside slidable mounting of connecting hole (6) has insulating sleeve (11), the lateral wall fixed mounting of conductor (2) has output conductor pole (7) and input conductor pole (8), and output conductor pole (7) and input conductor pole (8) slidable mounting are in the inside of via hole (4) and connecting hole (6), insulating sleeve (11) slidable mounting is at the lateral wall of output conductor pole (7) and input conductor pole (8), and the lateral wall of conductor (2) has seted up latch groove (9), the inside slidable mounting of insulating sleeve (3) has connecting hole (10) and input conductor pole (8) and signal filter device, latch (10) and filter device that is used for filtering device one side of the signal, and one side of the contact head sleeve (5) is provided with a locking device, and the loosening device prevents the connector from loosening.
  2. 2. The coaxial adapter with the rectangular filtering function according to claim 1, wherein the filtering device comprises a filtering sleeve (12) arranged on one side of an input conductor rod (8), the filtering sleeve (12) is fixedly arranged on the side wall of a contact headgear (5), a sleeve (13) is fixedly arranged on the side wall of the filtering sleeve (12), a resonant rod (14) is slidably arranged in the sleeve (13), an annular groove (15) is formed in the side wall of the resonant rod (14), and the input conductor rod (8) is slidably arranged in the annular groove (15).
  3. 3. The coaxial adapter with the rectangular filtering function according to claim 1, wherein the anti-loosening device comprises an anti-loosening sleeve (31) fixedly installed on the side wall of the contact headgear (5), a T-shaped sliding groove (16) is formed in the anti-loosening sleeve (31), a T-shaped inclined clamping ring (17) is slidably installed on the inner wall of the T-shaped sliding groove (16), a clamping spring (18) is arranged above the T-shaped inclined clamping ring (17), an adjusting device is arranged above the clamping spring (18), and a protection device is arranged on one side of the anti-loosening sleeve (31).
  4. 4. A rectangular coaxial adapter with a filtering function according to claim 3, wherein the adjusting device comprises a connecting ring groove (19) formed on the top surface of the T-shaped sliding groove (16), an adjusting nut (20) is rotatably mounted in the connecting ring groove (19), an adjusting thread groove (21) is formed in the bottom end of the adjusting nut (20), a threaded rod (22) is mounted in the internal thread of the adjusting thread groove (21), and an adjusting plate (23) is fixedly mounted on the bottom surface of the threaded rod (22).
  5. 5. A rectangular coaxial adapter with filtering function according to claim 3, wherein the protection device comprises a T-shaped thread groove (26) formed on the side wall of the anti-loose sleeve (31), a T-shaped thread ring (27) is mounted on the internal thread of the T-shaped thread groove (26), a supporting ring (28) is fixedly mounted at one end of the T-shaped thread ring (27), and an elastic ring (30) is fixedly mounted on the inner wall of the supporting ring (28).
  6. 6. A rectangular coaxial adapter with filtering function according to claim 3, wherein a protective insulating pad (24) is arranged below the T-shaped inclined clamping ring (17), and the protective insulating pad (24) is fixedly arranged on the bottom surface of the T-shaped inclined clamping ring (17).
  7. 7. The coaxial adapter with rectangular filtering function according to claim 5, wherein the supporting ring (28) and the side wall of the adjusting thread groove (21) are provided with a strip-shaped groove (29).
  8. 8. The coaxial adapter with rectangular filtering function according to claim 7, wherein the insulating sleeve (11) is made of polytetrafluoroethylene, and the devices are made of beryllium bronze and are coated on the outer surface.
  9. 9. The coaxial adapter with rectangular filtering function according to claim 6, wherein the bottom surface of the protective insulating pad (24) is provided with an anti-skid groove (25).

Description

Rectangular coaxial adapter with filtering function Technical Field The invention belongs to the technical field of coaxial adapters, and particularly relates to a rectangular coaxial adapter with a filtering function. Background The coaxial adapter is a microwave device for signal transmission matching between different transmission lines/interfaces, and the core application scene is to realize connection of a rectangular waveguide and a coaxial transmission line, so that low loss, low reflection and interference resistance of signals in the mode conversion (TE 10 mode-TEM mode) process are ensured. The performance index of a certain key project in space cannot meet the expected requirement due to signal interference, the whole machine performance cannot meet the design requirement, the coaxial adapter with the filtering function cannot be replaced, the coaxial adapter without the filtering function in the market can only filter clutter through a special filter, the weight and the volume of the satellite-borne project are increased, and the use of the satellite-borne project is not facilitated. Disclosure of Invention In order to achieve the above purpose, the present invention adopts the following technical scheme: The utility model provides a coaxial adapter of rectangle area filtering capability, includes the casing, the inside slidable mounting of casing has the conductor, and the both ends of conductor are equipped with the bush, the via hole has been seted up to the lateral wall of bush, and one side of via hole is equipped with the contact headgear, bush and contact headgear slidable mounting are in the inside of casing, and the connecting hole has been seted up to the inside of contact headgear, the inside slidable mounting of connecting hole has insulating cover, the lateral wall fixed mounting of conductor has output conductor pole and input conductor pole, and output conductor pole and input conductor pole slidable mounting are in the inside of via hole and connecting hole, insulating cover slidable mounting has been seted up at the lateral wall of output conductor pole and input conductor pole, and the lateral wall of conductor has the bolt groove, the lateral wall fixed mounting of bush has the bolt pole, and bolt groove sliding connection, one side of input conductor pole is equipped with filter equipment, and filter equipment is used for the frequency screening of transmission signal, and one side of contact headgear is equipped with locking device, and loosening device avoids the connector to produce. Firstly, install the conductor in the inside of casing, establish insulating cover on output conductor pole and input conductor pole again, afterwards establish bush and contact headgear in proper order in the outside of output conductor pole and input conductor pole, the bolt pole of bush lateral wall can insert in the middle of the bolt groove this moment, the spacing support work of conductor in the inside of casing can be accomplished to the cooperation of bolt groove and bolt pole, afterwards can carry out the connection work of equipment, and insulating cover can carry out spacing support to output conductor pole and input conductor pole, guarantee that casing and input conductor pole are in the axle center of connecting hole, its structure is light and handy, easy dismounting and mounting, need not weld, easy installation and debugging. When the installation work is carried out, the resonant rod can be inserted into the sleeve, and when the installation work is carried out, the input conductor rod can pass through the annular groove of the resonant rod, at the moment, the resonant rod can form a certain filtering barrier, a stop band is formed by the resonant rod according to the self-resonance characteristics aiming at high-frequency interference signals higher than the upper limit of a pass band, such as adjacent channel communication signals and harmonic clutter, the attenuation of the signals can be carried out in advance, the attenuation can reach 30-50dB, the superposition of transmission signals and target signals is avoided, and the annular groove can enhance electromagnetic coupling, so that the filtering precision is improved. When the connection work is carried out, connectors inserted into two ends of the output conductor rod and the input conductor rod can be inserted into the anti-loosening sleeve first, then the connectors can slide along the inclined plane of the T-shaped sliding groove to push the T-shaped inclined plane clamping ring to extrude the clamping spring to rise, after the connection work is completed, the clamping spring can push the T-shaped inclined plane clamping ring to move downwards to press the connectors in the middle of the anti-loosening sleeve, so that a pressing anti-loosening mechanism is formed, loosening of the connectors is avoided, and safety in the use process is improved. Preferably, the filtering device comprises a filtering sleeve arrang