CN216773730U - Antenna is with preceding three core radio frequency coupling assembling of installing of board - Google Patents
Antenna is with preceding three core radio frequency coupling assembling of installing of board Download PDFInfo
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- CN216773730U CN216773730U CN202220360063.8U CN202220360063U CN216773730U CN 216773730 U CN216773730 U CN 216773730U CN 202220360063 U CN202220360063 U CN 202220360063U CN 216773730 U CN216773730 U CN 216773730U
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Abstract
The utility model discloses a board front-mounted three-core radio frequency connecting assembly for an antenna, which comprises a three-core radio frequency plug assembly and a three-core radio frequency socket assembly, wherein the three-core radio frequency plug assembly comprises three coaxial contact pin contact elements and a single three-core mounting board; the three-core radio frequency socket assembly comprises three coaxial jack contact elements and a single three-core mounting plate; the coaxial contact pin contact element comprises a shell I, a contact pin, an insulator I, a universal insulator, a welding wire cylinder I, a lining ring I and a universal fastening nut; by adopting a multi-channel radio frequency integration technology, simultaneous connection and simultaneous separation of three and multiple radio frequency channels can be provided in a component form, and integrated transmission of multi-channel radio frequency signals is realized; the interface size of the coaxial contact element interface with a larger diameter is adopted, so that the mechanical strength of the assembly product is higher during the connection and separation operation, and the vibration resistance and impact resistance of the airborne environment assembly product are greatly improved.
Description
Technical Field
The utility model belongs to the technical field of military and civil use, and particularly relates to a front-mounted three-core radio frequency connecting assembly for an antenna.
Background
In recent years, due to the rapid development of domestic communication systems such as tanks, radars, 5G communication systems, airborne antennas and the like, the requirements on electric connectors which have circuit connection, disconnection or switching functions in airborne equipment, electronic instruments and systems are higher and higher, and the requirements on electrical performance transmission reliability are higher and higher on vibration resistance, impact resistance, mechanical strength for connection and separation operations, universality requirements on interface configuration, difficulty in installation and use, convenience, working stability and the like of an airborne environment, and the existing structure cannot realize the multiple functions.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a front-panel-mounted three-core radio frequency connection assembly for an antenna, which solves the problems in the prior art.
In order to achieve the purpose, the utility model provides the following technical scheme: a front-board-mounted three-core radio frequency connecting assembly for an antenna comprises a three-core radio frequency plug assembly and a three-core radio frequency socket assembly, wherein the three-core radio frequency plug assembly comprises three coaxial contact pin contact elements and a single three-core mounting board; the three-core radio frequency socket assembly comprises three coaxial jack contact pieces and a single three-core mounting plate;
the coaxial contact pin contact element comprises a shell I, a contact pin, an insulator I, a universal insulator, a welding wire cylinder I, a lining ring I and a universal fastening nut;
the coaxial jack contact element comprises a second shell, a crown spring, a jack, a second insulator, a universal insulator, a second welding wire cylinder, a second lining ring and a universal fastening nut.
Preferably, the contact pin is located in the center of the inner portion of the first shell, the first insulator, the general insulator and the first welding wire cylinder are sequentially sleeved outside the contact pin from the insertion end of the first shell to the tail end, the general fastening nut is installed at the tail end of the first shell, and the first lining ring is arranged between the general fastening nut and the inner side face of the first welding wire cylinder.
Preferably, the crown spring is arranged inside the connecting end of the second shell and is abutted against the first shell, the jack is arranged in the center of the second shell, the second insulator, the general insulator and the second welding wire cylinder are sequentially arranged from the connecting end of the second shell to the tail end and are concentric with the jack, the general fastening nut is screwed into the tail end of the second shell, and the second lining ring is arranged between the general fastening nut and the inner side face of the second welding wire cylinder.
Preferably, three mounting holes are formed in the three-core mounting plate, a clamping groove and a clamping table are formed in the inner wall of each mounting hole, and arc-shaped positioning steps and positioning planes are formed in the clamping table.
Preferably, the first shell of the coaxial contact pin contact element and the second shell of the coaxial jack contact element are respectively provided with a cone-shaped barb and a column-shaped positioning flange, and the cone-shaped barb and the column-shaped positioning flange are respectively clamped with the clamping groove and the clamping table.
Preferably, the three-core mounting plate is further provided with a screw hole for mounting, and the screw hole and the mounting hole are symmetrically arranged from the circle center of the three-core mounting plate.
Preferably, the general fastening nut is provided with a spiral oil groove inside, the outer end surface of the general fastening nut is provided with an inclined oil injection groove, one end of the oil injection groove is communicated with the initial end of the oil groove, and the other end of the oil injection groove is provided with an oil guide groove.
Compared with the prior art, the utility model has the beneficial effects that:
1. by adopting a multi-channel radio frequency integration technology, simultaneous connection and simultaneous separation of three and multiple radio frequency channels can be provided in a component form, and integrated transmission of multi-channel radio frequency signals is realized;
the interface size of the coaxial contact element interface with a larger diameter is adopted, so that the mechanical strength of the component product is higher during connection and separation operations, and the vibration resistance and impact resistance of the component product in an airborne environment are greatly improved;
the universal normalized design of a plurality of parts is adopted, so that a plurality of universal parts are adopted, the number of matched parts can be reduced, the production performance can be improved, the part processing cost can be reduced, and the universality of interface configuration when a user selects the parts can be improved;
the design of the conical barbs, the clamping grooves and the clamping table limiting structure is adopted, so that the assembly product is simpler to use, easier to operate, more convenient to maintain and more stable to work in the installation and use processes;
2. through the oil groove, the oiling groove of walking of design, can appear rustting when locking in general fastening nut, lubricate the purpose that realizes convenient separation through adding lubricating oil, it is very convenient to operate.
Drawings
FIG. 1 is a block diagram of a three-core RF plug assembly of the present invention;
FIG. 2 is a block diagram of a three-core RF socket assembly of the present invention;
FIG. 3 is a cross-sectional view of the coaxial pin contact of the present invention connected to the end of a three-core mounting plate;
FIG. 4 is a schematic view of the positions of the card slot and the card table of the present invention;
FIG. 5 is a cross-sectional view of the coaxial jack contact of the present invention in connection with the end of a three-core mounting plate;
FIG. 6 is a front view of the three-core mounting plate of the present invention;
fig. 7 is a cross-sectional view of the universal fastening nut of the present invention.
In the figure: 1. a coaxial pin contact; 2. a coaxial jack contact; 3. a three-core mounting plate; 4. a first shell; 5. inserting a pin; 6. a first insulator; 7. a general insulator; 8. a first welding wire cylinder; 9. a first lining ring; 10. a universal fastening nut; 11. a second shell; 12. a crown spring; 13. a jack; 14. a second insulator; 15. a second welding wire cylinder; 16. a second lining ring; 17. a card slot; 18. clamping a platform; 19. positioning a step; 20. positioning a plane; 21. a guide groove; 22. an oil injection groove; 23. and an oil groove is arranged.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 7, the present invention provides a technical solution: a front-mounted three-core radio frequency connecting assembly for an antenna comprises a three-core radio frequency plug assembly and a three-core radio frequency socket assembly, wherein the three-core radio frequency plug assembly comprises three coaxial contact pin contact elements 1 and a single three-core mounting plate 3; the three-core radio frequency socket assembly comprises three coaxial jack contact elements 2 and a single three-core mounting plate 3, the three-core radio frequency plug assembly and the three-core mounting plate 3 configured by the three-core radio frequency socket assembly are the same, the core components for transmitting radio frequency signals are a coaxial pin contact element 1 and a coaxial jack contact element 2, both of which have complete coaxial structures from a plugging end to a cable connecting end, when the coaxial pin contact element and the coaxial jack contact element are respectively installed in a clamping groove 17 and a clamping table 18 of three contact element mounting holes on the three-core mounting plate 3, three paths of radio frequency signal transmission channels can be provided in an assembly mode, and the three paths of radio frequency signal transmission channels can be connected and separated simultaneously.
If more channels need to be connected and separated simultaneously, the front panel array installation is carried out only by means of a cabinet panel or an antenna body panel, and the integrated transmission of more channels of radio frequency signals can be realized by additionally arranging a guide device and a locking device according to actual needs;
the coaxial pin contact element 1 comprises a shell I4, a pin 5, an insulator I6, a general insulator 7, a bonding wire barrel I8, a lining ring I9 and a general fastening nut 10, wherein the pin 5 is inserted at a male endIs called as outer diameterOf (1);
the coaxial jack contact element 2 comprises a second shell 11, a crown spring 12, a jack 13, a second insulator 14, a general insulator 7, a second welding wire cylinder 15, a second lining ring 16 and a general fastening nut 10, wherein the nominal diameter of the inserting end of the second shell 11 isThe nominal outer diameter of the insertion end of the insertion hole 13 isIs also relatively "robust"; the interface size of the coaxial contact piece interface with a larger diameter is adopted in the two components, so that the mechanical strength of the component product is higher during connection and separation operations, and the vibration resistance and impact resistance of the airborne environment component product are greatly improved.
In this embodiment, preferably, the contact pin 5 is located in the inner center of the first housing 4, the first insulator 6, the general insulator 7 and the first wire barrel 8 are sequentially sleeved outside the contact pin 5 from the insertion end to the tail end of the first housing 4, the general fastening nut 10 is installed at the tail end of the first housing 4, and the first gasket 9 is arranged between the general fastening nut 10 and the inner side surface of the first wire barrel 8.
In this embodiment, preferably, the crown spring 12 is disposed inside the connection end of the second housing 11 and abuts against the first housing 4, the jack 13 is disposed at the center of the second housing 11, the second insulator 14, the general insulator 7, and the second wire barrel 15 are sequentially disposed from the connection end of the second housing 11 toward the end and are concentric with the jack 13, the general fastening nut 10 is screwed into the end of the second housing 11, the second gasket 16 is disposed between the general fastening nut 10 and the inner side surface of the second wire barrel 15, and two of the components disposed on the coaxial pin contact 1 and the coaxial jack contact 2 are the same, that is, the general insulator 7 and the general fastening nut 10.
In this embodiment, preferably, three mounting holes are formed in the three-core mounting plate 3, a clamping groove 17 and a clamping table 18 are formed on the inner wall of each mounting hole, an arc-shaped positioning step 19 and a positioning plane 20 are formed in the clamping table 18, when the three coaxial pin contacts 1 or the three coaxial jack contacts 2 are installed in the three contact mounting holes of the three-core mounting plate 3 through elastic deformation, the tapered barbs thereon can smoothly pass through the clamping table 18 of the three-core mounting plate 3 and enter the clamping groove 17, at this time, the columnar positioning flanges thereon are also matched with the clamping table 18 of the three-core mounting plate 3, that is, the respective arc-shaped positioning steps and positioning planes can be matched with the arc-shaped positioning step 19 and the positioning plane 20 of the three-core mounting plate 3, and after being installed in place, the axial movement and radial rotation of the coaxial pin contacts 1 or the coaxial jack contacts 2 after being installed can be limited, the formed three-core radio frequency connecting component passes through After the screw counter bore is installed in place in front of a cabinet panel or an antenna body panel, the coaxial pin contact element 1 and the coaxial jack contact element 2 cannot move axially or rotate radially, and the purpose of stable work can be achieved;
consequently, cone barb and draw-in groove, the design of ka tai limit structure make the subassembly product uses simplyr, the operation is easier, the maintenance is more convenient, work is more stable in installation and use.
In this embodiment, preferably, the first shell 4 of the coaxial pin contact 1 and the second shell 11 of the coaxial socket contact 2 are both provided with a cone-shaped barb and a column-shaped positioning flange, and the cone-shaped barb and the column-shaped positioning flange are respectively engaged with the engaging groove 17 and the engaging table 18.
In this embodiment, preferably, the three-core mounting plate 3 is further provided with a screw hole for mounting, and the screw hole and the mounting hole are symmetrically arranged from the center of the three-core mounting plate 3.
In this embodiment, it is preferable that the general fastening nut 10 is provided with a spiral oil groove 23 inside, and an inclined oil groove 22 on the outer end surface of the general fastening nut 10, one end of the oil filling groove 22 is communicated with the initial end of the oil walking groove 23, and through the designed oil walking groove 23 and the oil filling groove 22, when the universal fastening nut 10 is rusted and locked, the purpose of convenient separation is realized by adding lubricating oil for lubrication, the operation is very convenient, the other end of the oil injection groove 22 is provided with an oil guide groove 21, when the universal fastening nut 10 is separated and locked, the lubricating oil is injected from the oil guide groove 21, then air is injected into the oil filling groove 22 through an air filling mechanism such as a headless syringe, the lubricating oil is driven by the air to move in the oil moving groove 23, thereby realizing the quick separation of the universal fastening nut 10 from the first welding wire cylinder 8 and the second welding wire cylinder 15.
The working principle and the using process of the utility model are as follows: in use of the present invention, referring to fig. 1, the assembly process of the coaxial pin contact 1 is as follows:
the first step is as follows: firstly, stripping an outer sheath of a radio frequency cable with a certain length according to a wire stripping size given by a product cable assembly specification, exposing a radio frequency cable shielding layer, then, enameling tin the shielding layer in a prepared tin pot in advance, enabling a thin and uniform layer of tin to be adhered, sequentially sleeving a universal fastening nut 10 and a lining ring I9 at the tin enameled end of the cable, leaving a distance from the tin enameled end, sleeving a welding wire barrel I8, pushing the cable to a position, and welding the cable at a soldering position by using a welding table or a soldering iron, wherein the full and uniform soldering tin is required and the observation hole is exposed a little;
the second step is that: carefully stripping the shielding layer and the insulating layer of the radio frequency cable on the left end face of the first welding wire cylinder 8 by using a single-sided blade to expose the inner conductor of the cable, wherein a self-made stripping clamp can be adopted for operation in the step, and the best cutting process is that the excircle of the inner conductor of the cable is not damaged and the end faces of the shielding layer and the insulating layer of the cable after cutting are flush with the left end face of the first welding wire cylinder 8;
the third step: on the basis of the assembly body completed in the second step, a universal insulator 7 is sleeved to enable the universal insulator to be tightly attached to the left end face of a welding wire cylinder I8, then a contact pin 5 is sleeved on a cable inner conductor, the right end face of the contact pin 5 can be tightly attached to the left end face of the universal insulator 7, if the contact pin 5 cannot be tightly attached, the contact pin 5 is taken down, the left end of the cable inner conductor is slightly cut off, and a point is required to be slightly cut off, so that the right end face of the contact pin 5 can be tightly attached to the left end face of the universal insulator 7, at the moment, the contact pin 5 and the cable inner conductor are welded at a soldering position by a welding table or a soldering iron, the full and uniform soldering tin is required, the exposed soldering tin is optimally leveled with the outer circle face of the contact pin 5, and if the soldering tin exposed out of the outer circle face exists, only a single-side blade is used for slightly scraping the soldering tin out along the axial direction of the outer circle face;
the fourth step: on the basis of the assembly body completed in the third step, after the insulator I6 is sleeved in place, the insulator I is integrally pushed into the just-assembled shell I4, the lining ring I9 is placed back to the right end face of the wire welding cylinder I8, and the universal fastening nut 10 is screwed down, so that the assembly of the coaxial pin contact element 1 is completed;
and fifthly, the assembled coaxial pin contact 1 is installed in the three-core mounting plate 3, and the three-core radio frequency plug assembly is assembled after the coaxial pin contact is in place.
Referring to fig. 2, the assembly process of the coaxial socket contact 2 is as follows:
the first step is as follows: firstly, stripping the outer sheath of a radio frequency cable with a certain length according to the stripping size given by a product cable assembly specification to expose the shielding layer of the radio frequency cable, and then, tinning the shielding layer in a prepared tin pot to thin a layer of uniform tin. Then, sequentially sleeving a universal fastening nut 10 and a lining ring II 16 on the end of the cable which is enameled with tin, sleeving a welding wire barrel II 15 at a distance away from the end of the enameled with tin, pushing the welding wire barrel II to the position, and welding the welding wire barrel II on a soldering position by using a welding table or a soldering iron, wherein the soldering tin is required to be full and uniform and a little bit of the observation hole is exposed;
the second step is that: carefully stripping the shielding layer and the insulating layer of the radio frequency cable on the left end face of the second welding wire cylinder 15 by using a single-sided blade to expose the inner conductor of the cable, wherein a self-made stripping clamp can be adopted for operation in the step, and the best cutting process is that the excircle of the inner conductor of the cable is not damaged and the end faces of the shielding layer and the insulating layer of the cable after cutting are flush with the left end face of the second welding wire cylinder 15;
the third step: on the basis of the assembly body completed in the second step, the universal insulator 7 is sleeved to be tightly attached to the left end face of the second welding wire cylinder 15, the jack 13 is sleeved on the cable inner conductor, the right end face of the jack is enabled to be tightly attached to the left end face of the universal insulator 7, if the jack 13 cannot be tightly attached to the cable inner conductor, the left end of the cable inner conductor is taken down, a little point is cut off slightly, the right end face of the jack 13 is allowed to be tightly attached to the left end face of the universal insulator 7, at the moment, the jack 13 and the cable inner conductor are welded at a soldering position by a welding table or a soldering iron, the soldering tin is required to be full and uniform, the exposed soldering tin is optimally aligned with the outer circle face of the jack 13, and if the soldering tin exposed out of the outer circle face exists, only a single-face blade is required to be scraped slightly along the axial direction of the outer circle face;
the fourth step: the crown spring 12 is arranged in the second shell 11, on the basis of the assembly body completed in the third step, the second insulator 14 is sleeved in place, then the whole body is pushed into the second just-arranged shell 11, the lining ring 16 is replaced to the right end face of the second welding wire cylinder 15, and then the universal fastening nut 10 is screwed down, so that the assembly of the coaxial jack contact element 2 is completed;
and fifthly, the assembled coaxial jack contact element 2 is installed in the three-core mounting plate 3, and the assembly of the three-core radio frequency socket assembly is completed after the coaxial jack contact element is in place.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides an antenna is with preceding three core radio frequency connection subassemblies of board installation which characterized in that: the three-core radio frequency plug assembly comprises three coaxial contact pin contact pieces (1) and a single three-core mounting plate (3); the three-core radio frequency socket assembly comprises three coaxial jack contact pieces (2) and a single three-core mounting plate (3);
the coaxial contact pin contact element (1) comprises a first shell (4), a contact pin (5), a first insulator (6), a general insulator (7), a first bonding wire barrel (8), a first lining ring (9) and a general fastening nut (10);
the coaxial jack contact element (2) comprises a second shell (11), a crown spring (12), a jack (13), a second insulator (14), a general insulator (7), a second welding wire barrel (15), a second lining ring (16) and a general fastening nut (10).
2. The board-front mounted three-core radio frequency connection assembly of claim 1, wherein: the contact pin (5) is located in the center of the inner portion of the first shell (4), the first insulator (6), the general insulator (7) and the first welding wire cylinder (8) are sequentially sleeved outside the contact pin (5) from the insertion end of the first shell (4) to the tail end, the general fastening nut (10) is installed at the tail end of the first shell (4), and the first lining ring (9) is arranged between the general fastening nut (10) and the inner side face of the first welding wire cylinder (8).
3. The board-front mounted three-core radio frequency connection assembly of claim 1, wherein: the crown spring (12) is arranged inside the connecting end of the second shell (11) and is abutted against the first shell (4), the jack (13) is arranged at the center of the second shell (11), the second insulator (14), the general insulator (7) and the second welding wire cylinder (15) are sequentially arranged from the connecting end of the second shell (11) to the tail end and are concentric with the jack (13), the tail end of the second shell (11) is also screwed with the general fastening nut (10), and the second lining ring (16) is arranged between the general fastening nut (10) and the inner side face of the second welding wire cylinder (15).
4. The board-front mounted three-core radio frequency connection assembly of claim 1, wherein: three mounting holes are formed in the three-core mounting plate (3), a clamping groove (17) and a clamping table (18) are formed in the inner wall of each mounting hole, and arc-shaped positioning steps (19) and positioning planes (20) are formed in the clamping table (18).
5. The board-front mounted three-core radio frequency connection assembly of claim 4, wherein: on the shell (4) of coaxial contact pin contact piece (1) and all be provided with taper barb and column positioning flange on shell two (11) of coaxial jack contact piece (2), taper barb and column positioning flange block with draw-in groove (17) and ka tai (18) looks respectively.
6. The board-front mounted three-core radio frequency connection assembly of claim 1, wherein: the three-core mounting plate (3) is also provided with a screw hole for mounting, and the screw hole and the mounting hole are symmetrically arranged by the circle center of the three-core mounting plate (3).
7. The board-front mounted three-core radio frequency connection assembly of claim 1, wherein: the spiral oil-walking groove (23) is formed in the general fastening nut (10), the inclined oil-injecting groove (22) is formed in the outer end face of the general fastening nut (10), one end of the oil-injecting groove (22) is communicated with the initial end of the oil-walking groove (23), and the oil-guiding groove (21) is formed in the other end of the oil-injecting groove (22).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202220360063.8U CN216773730U (en) | 2022-02-22 | 2022-02-22 | Antenna is with preceding three core radio frequency coupling assembling of installing of board |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202220360063.8U CN216773730U (en) | 2022-02-22 | 2022-02-22 | Antenna is with preceding three core radio frequency coupling assembling of installing of board |
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CN216773730U true CN216773730U (en) | 2022-06-17 |
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CN202220360063.8U Active CN216773730U (en) | 2022-02-22 | 2022-02-22 | Antenna is with preceding three core radio frequency coupling assembling of installing of board |
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CN (1) | CN216773730U (en) |
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