CN108075338B - Radio frequency coaxial rotary connector capable of being positioned in rotary mode - Google Patents
Radio frequency coaxial rotary connector capable of being positioned in rotary mode Download PDFInfo
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- CN108075338B CN108075338B CN201810016080.8A CN201810016080A CN108075338B CN 108075338 B CN108075338 B CN 108075338B CN 201810016080 A CN201810016080 A CN 201810016080A CN 108075338 B CN108075338 B CN 108075338B
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- 230000008054 signal transmission Effects 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims description 37
- 239000012212 insulator Substances 0.000 claims description 30
- 238000005476 soldering Methods 0.000 claims description 13
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 12
- 230000001681 protective effect Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 12
- 230000008569 process Effects 0.000 abstract description 12
- 238000009434 installation Methods 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 description 5
- 230000035515 penetration Effects 0.000 description 5
- 229910000679 solder Inorganic materials 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 238000013016 damping Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000006263 metalation reaction Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R35/00—Flexible or turnable line connectors, i.e. the rotation angle being limited
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/514—Bases; Cases composed as a modular blocks or assembly, i.e. composed of co-operating parts provided with contact members or holding contact members between them
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
Landscapes
- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
The invention discloses a radio frequency coaxial rotary connector capable of being positioned in a rotary mode, which comprises a rotary part and a fixed part, wherein the rotary part and the fixed part are radially sleeved through a first circular boss on the rotary part and a second circular boss on the fixed part, the rotary part and the fixed part are axially fixed through a D-shaped clamping ring, and the rotary part comprises a first shell and a coaxial cable assembly which is sleeved in the first shell and fixedly connected with the first shell. The radio frequency cable sequentially passes through the first inner hole and the second inner hole in the first shell and the third inner hole, the fourth inner hole and the fifth inner hole in the second shell, so that antenna signals are bent twice by 90 degrees from the first signal transmission port to the second signal transmission port, single or twice port turning can be met, installation of any angle position of a fixed part is met, and compared with the traditional radio frequency coaxial connector, the radio frequency cable has higher signal transmission stability in the rotating process.
Description
Technical Field
The invention belongs to the field of machinery, and particularly relates to a radio frequency coaxial rotary connector capable of being positioned in a rotary mode.
Background
A radio frequency coaxial connector is a component mounted on a cable or on an instrument as a component for transmitting electrical connections or separations, and is intended for connection to radio frequency coaxial cables or coaxial and microstrip, coaxial and waveguide connections in radio frequency transmission lines for communication and electronic equipment and the like.
Along with the continuous improvement of mobile communication technology, the application of the radio frequency connector is more and more widespread, and various fields of the communication industry are permeated. At present, customers have requirements on the mechanical performance and the electrical performance of a connector, and special requirements on a cable connection mode of the connector, the thicker cables are assembled, the space structure in the cabinet is complex, and the plugs and the sockets cannot be aligned at the final opposite insertion due to multiple azimuth changes when the longer cables are arranged in the cabinet.
The rotary positioning radio frequency coaxial connector is mainly used for microwave signal receiving equipment, and can ensure the continuity and reliability of microwave signals of the receiving equipment in the process of changing the rotation position of the antenna. But few rf coaxial rotary connectors are currently on the market that can be reciprocally rotated multiple times about an axis of 360 ° and have any angular dwell. 360-degree rotation for any angle positioning can expand the range of receiving the microwave signals of the equipment in the process of changing the rotation pose of the antenna. 360-degree rotation around the shaft for any angle parking positioning can realize omnibearing searching signals in the space range of the antenna so as to transmit and receive radio signals. Nowadays, there is also a rotary positioning radio frequency coaxial connector with a metal shell on the market, but the pitching positioning mechanism of the structure is complex, the reliability of the rotary positioning mechanism is poor, the rotary positioning mechanism is easy to damage, the positioning effect is poor, the electrical performance is not easy to guarantee, and the cable is severely damaged by bending and torsion, so that the structure is not widely applied.
Disclosure of Invention
In order to solve the problems that a rotary positioning coaxial connector in the prior art is easy to damage, poor in positioning effect, insufficient in reliability and difficult to guarantee electrical performance and cannot realize omnibearing signal searching in the space range of an antenna, the invention provides a radio frequency coaxial connector capable of rotating for stopping and positioning at any angle.
The technical problems to be solved by the invention are realized by the following technical scheme:
The utility model provides a but coaxial swivelling joint ware of radio frequency of rotational positioning, includes swivelling part and fixed part, swivelling part and fixed part cup joint radially through the first ring boss on the swivelling part and the second ring boss on the fixed part, swivelling part and fixed part pass through D type snap ring axial fixity, the swivelling part includes first shell and coaxial cable subassembly, coaxial cable subassembly cup joints in first shell and with first shell fixed connection.
A flange plate hole is formed in the first shell, the flange plate hole is formed in the left end of the first shell, three screw holes are uniformly formed in the periphery of the bottom surface of the flange plate hole, and a first sealing ring hole, a third shell hole and a first inner hole are sequentially formed in the right side of the flange plate hole; the lower surface of first shell is established to the platykurtic, first shell lower surface is equipped with a first ring boss, the bottom surface of first ring boss is rotatory partial bottom surface promptly, first ring boss center department is equipped with the second hole, the second hole is connected with first hole is perpendicular, the junction of first hole and second hole is equipped with the inclined hole, be equipped with the first circular annular taking the second hole as the center on the lower surface of first shell cuboid, the internal diameter of first circular annular is greater than the diameter of first ring boss, the bottom of first circular annular inside wall is equipped with the circular annular of second, half of D snap ring is arranged in the circular annular of second.
The coaxial cable assembly comprises a third shell, a radio frequency cable, a large insulator and a small insulator, wherein the third shell is of an integrated structure consisting of a large cylinder and a small cylinder, a flange is arranged in the middle of the outer wall of the third shell, three uniformly arranged mounting screw holes are formed in the flange, two first sealing ring grooves are formed in the outer wall of the third shell and positioned on the left side and the right side of the flange, concentric holes which are sequentially connected are formed in the third shell from left to right, the concentric holes comprise a left end hole, a first step hole, a second step hole and a right end hole, a first barb is formed in the middle of the first step hole, and an external soldering tin hole is formed in the outer wall of the third shell, which is close to the right end hole; the radio frequency cable is welded and fixed with the right end hole of the third shell through the left end shielding layer of the radio frequency cable, the large insulator is fixed in the third shell through the first step hole and the first barb, a first round hole and a second round hole are formed in the large insulator, the small insulator is fixed in the third shell through the second step hole and the second round hole, and a third round hole is formed in the small insulator.
The coaxial cable assembly further comprises a jack, the jack is sleeved in a first round hole on the large insulator, a fifth round hole is formed in the left end of the jack, a second barb is arranged in the middle of the outer wall of the jack, two round holes perpendicular to each other are formed in the right end of the jack, a fourth round hole is formed in the right end of the jack in the horizontal direction, an inner soldering tin hole is formed in the vertical direction, and a core wire of the radio-frequency cable is sleeved in the fourth round hole and is welded and fixed with the fourth round hole through the inner soldering tin hole.
The coaxial cable assembly further comprises two first sealing rings, the two first sealing rings are arranged in two first sealing ring grooves on the outer wall of the third shell, and the outer surface of one first sealing ring is in contact with the inner wall of the first sealing ring hole of the first shell.
The fixing part comprises a second shell and a fourth shell, and the fourth shell is inserted into one side of the second shell; the second housing comprises two parts, namely a base and a side locating plate, wherein the base is rectangular, a right angle is arc-shaped, the side locating plate is vertically arranged on one side of the base, and mounting holes are formed in the base and the side locating plate; the second ring boss is established at the upper surface of base, the middle part of second ring boss is equipped with concentric circular step hole and fourth hole from top to bottom, the bottom surface of circular step hole is coaxial location bottom surface promptly, the middle part of circular step hole lateral wall is equipped with the third circular annular, in the third circular annular was arranged in to the other half of D type snap ring, is close to the side locating plate base one side is equipped with the fifth hole, be equipped with the third hole between fifth hole and the fourth hole, the one end and the fourth hole of third hole are connected, and the other end and fifth hole are connected, third hole and fifth hole are all perpendicular with the fourth hole.
The novel sealing device is characterized in that the fourth shell is of a cylindrical structure, two annular grooves are formed in the middle of the outer wall of the fourth shell, two second sealing rings are arranged in the two annular grooves, a through hole is formed in the fourth shell and is a sixth inner hole, and one end of the sixth inner hole is provided with a large inclined guide hole.
One end of the radio frequency cable is fixedly connected with the third shell through the right end hole, and the other end of the radio frequency cable sequentially passes through a fourth inner hole, a third inner hole, a fifth inner hole in the second shell and a large inclined guide hole and a sixth inner hole in the fourth shell.
The connecting part of the first shell and the second shell is provided with an elastic pad, the elastic pad is arranged on the circular step hole, the elastic pad is of a cylindrical structure, the outer diameter of the elastic pad is the same as that of the circular step hole, the upper surface of the elastic pad is contacted with the bottom surface of the rotating part of the first shell, and the lower surface of the elastic pad is contacted with the coaxial positioning bottom surface of the second shell.
And a protective cap is arranged at the first signal transmission port.
The invention has the beneficial effects that:
(1) The rotating part and the fixed part are radially sleeved and fixed through the first annular boss and the second annular boss, the transmission of radio frequency signals is completed through the axial fixation of the D-shaped clamping ring, the transmission of radio frequency signals is achieved through the connection of the radio frequency cables, and compared with the traditional clearance fit connection, the signal transmission stability is higher in the rotating process, and the environmental resistance is stronger in the rotating process of the coaxial connector.
(2) According to the radio frequency coaxial connector, the radio frequency cable sequentially passes through the first inner hole and the second inner hole in the first shell and the third inner hole, the fourth inner hole and the fifth inner hole in the second shell, so that antenna signals are transmitted from the first port at the left end of the rotating part to the second port at the right end of the fixed part to be bent for 90 degrees twice, single-time or twice port turning can be met, and installation of any angle position of the fixed part can be met.
(3) The elastic pad is designed between the first shell and the second shell, the two elastic first sealing rings are designed between the first shell and the third shell flange, when the rotating part rotates around the fixed part, the damping size of the rotating part in the rotating process can be adjusted through the adjustment of the thickness of the elastic pad, the axial limiting and the positioning of the rotating part in any angle in the rotating process around the shaft can be enhanced, and the abrasion and radial abrasion compensation can be reduced, so that the service life of the radio frequency coaxial connector is prolonged.
(4) The radio frequency coaxial rotary connector can realize the rotation around the shaft and stop at any rotation angle, so that the signal can be searched in all directions in the space range of the antenna.
(5) The elastic sealing ring, the elastic pad and other sealing structures are adopted in the assembly of the components, so that the waterproof sealing of the whole structure can be realized, the reliability is increased, the electrical property is ensured to be stable, and the whole waterproof performance of the product in the rotating process can be ensured;
(6) The connector can quickly derive a new product by replacing the connector, and the connector can be matched with any connector forms such as SMA, SSMA and the like according to the needs, so that the application range is wide.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a radio frequency coaxial connector;
Fig. 2 is a front view of a radio frequency coaxial connector;
fig. 3 is a top view of a radio frequency coaxial connector;
FIG. 4 is a schematic view of the cross-sectional structure of FIG. 1 taken along the direction A;
FIG. 5 is a longitudinal cross-sectional view of the first housing;
FIG. 6 is a schematic structural view of a radio frequency cable assembly;
FIG. 7 is a schematic view of a semi-sectional structure of a third housing;
fig. 8 is a front view of the fixed part;
FIG. 9 is a top view of the stationary portion;
FIG. 10 is a schematic view of the cross-sectional structure taken along the direction B in FIG. 4;
FIG. 11 is a schematic cross-sectional view of section C of FIG. 8;
FIG. 12 is a schematic cross-sectional view of section E of FIG. 9;
FIG. 13 is a schematic view of a fourth housing in cross-section;
FIG. 14 is a schematic cross-sectional view of the receptacle;
FIG. 15 is a schematic cross-sectional view of a radio frequency cable;
FIG. 16 is a schematic cross-sectional view of a large insulator;
fig. 17 is a schematic cross-sectional view of a small insulator.
In the figure: a 100-rotation section; 200-a fixing portion; 300-coaxial cable assembly; 110-a first housing; 210-a second housing, 310-a third housing; 230-fourth housing; 111-flange holes; 112-a first circular ring groove; 113-a second circular ring groove; 114-a first bore; 115-a second bore; 116-rotating part bottom surface; 117-screw holes; 119-inclined holes; 120-a first seal ring hole; 121-a third housing aperture; 122-a first circular boss; 130-screws; 211-a base; 212-a second circular boss; 213-a third circular ring groove; 214-a circular stepped hole; 215-a third bore; 216-a fourth internal bore; 217-fifth bore; 218-mounting holes; 219—coaxially positioned bottom surface; 220-elastic pad; 221-side positioning plates; 231-annular groove, 232-sixth inner hole; 233-large inclined guide holes; 240-a second seal ring; 301-protective cap; 311-a first step hole; 312-first barbs; 313-a second stepped hole; 314-right end hole; 315-external solder holes; 316-mounting screw holes; 317-flange plate; 318-a first seal ring groove; 319-left end hole; 320-radio frequency cable; 322-shielding layer; 323-core wire; 330-large insulator; 331-a first round hole; 332-a second round hole; 340-small insulators; 341-a third round hole; 350-jack; 351-fourth round hole; 352-internal solder apertures; 353-a second barb; 354-fifth round hole; 360-a first sealing ring; 400-D type clamping ring; 600-signaling a first port; 700-signal transmission second port.
Detailed Description
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, or can be communicated inside the two components, or can be connected wirelessly or in a wired way.
In the description of the present invention, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
The following detailed description, structural features and functions of the present invention are provided with reference to the accompanying drawings and examples in order to further illustrate the technical means and effects of the present invention to achieve the predetermined objects.
Example 1:
the present embodiment provides a rotationally positionable rf coaxial rotary connector, as shown in fig. 1, 2 and 3, for connection between a first port 600 and a second port 700, comprising a rotary part 100 and a fixed part 200, as shown in fig. 4, wherein the rotary part 100 and the fixed part 200 are radially sleeved by a first annular boss 122 on the rotary part 100 and a second annular boss 212 on the fixed part 200, and the rotary part 100 and the fixed part 200 are axially fixed by a D-shaped snap ring 400, so that the friction force is stronger compared with the conventional clearance fit connection, and the positioning of the coaxial connector after rotation is compact and reliable.
The rotating part 100 includes a first housing 110 and a coaxial cable assembly 300, and the coaxial cable assembly 300 is sleeved in the first housing 110 and fixedly connected with the first housing 110. The first housing 110 and the coaxial cable assembly 300 are fixed by three screws 130 to prevent the coaxial cable assembly 300 from rotating relative to the rotating portion of the first housing 110.
Example 2:
In this embodiment, the first housing 110 is specifically described on the basis of embodiment 1, as shown in fig. 5, a flange hole 111 is provided in the first housing 110, the flange hole 111 is located at the left end of the first housing 110, three screw holes 117 are uniformly provided on the periphery of the bottom surface of the flange hole 111, and a first sealing ring hole 120, a third housing hole 121 and a first inner hole 114 are sequentially provided on the right side of the flange hole 111; the lower surface of the first housing 110 is set to be flat, the lower surface of the first housing 110 is provided with a first circular boss 122, the bottom surface of the first circular boss 122 is a rotating part bottom surface 116, a second inner hole 115 is arranged at the center of the first circular boss 122, the second inner hole 115 is vertically connected with the first inner hole 114, an inclined hole 119 is arranged at the joint of the first inner hole 114 and the second inner hole 115, a first circular ring groove 112 taking the second inner hole 115 as the center is arranged on the lower surface of the cuboid of the first housing 110, the inner diameter of the first circular ring groove 112 is larger than the diameter of the first circular boss 122, a second circular ring groove 113 is arranged at the bottom of the inner side wall of the first circular ring groove 112, and half of the D-shaped clamp ring 400 is arranged in the second circular ring groove 113.
A first bore 114 and a second bore 115 within the first housing 110 for securing transmission of electrical signals through the radio frequency cable 320; the left end of the first housing 110 has three screw holes 117 for securing the left end third housing 310 of the coaxial cable assembly 300; the first housing 110 has a circular groove 112 inside to ensure radial positioning with the fixed portion; the first housing 110 has a second circular groove 113 inside for mounting the D-shaped snap ring 400 to secure axial positioning with the fixed portion; the lower surface of the first shell is flat, the flat is favorable for rotation when the first shell and the third shell do relative rotation, the left end joint of the rotating part can be optionally matched with any joint forms such as SMA, SSMA, SBNC and the like according to the requirement, and the connector only needs to replace the joint.
Example 3:
in this embodiment, the coaxial cable assembly 300 is specifically described on the basis of embodiment 1, as shown in fig. 6, the left end of the coaxial cable assembly 300 is a first signal transmission port 600, the coaxial cable assembly 300 includes a third housing 310, a radio frequency cable 320, a large insulator 330 and a small insulator 340, as shown in fig. 7, the third housing 310 is an integral structure composed of two cylinders, a flange 317 is disposed in the middle of the outer wall of the third housing 310, three uniformly arranged mounting screw holes 316 are disposed on the flange 317, two first seal ring grooves 318 are disposed on the outer wall of the third housing 310 and on the left and right sides of the flange 317, the third housing 310 is provided with concentric holes sequentially connected from left to right, including a left end hole 319, a first step hole 311, a second step hole 313 and a right end hole 314, a first barb 312 is disposed in the middle of the first step hole 311, and an external solder tin 315 is disposed on the outer wall of the third housing 310 close to the right end hole 314; as shown in fig. 15, the radio frequency cable 320 is welded and fixed to the right end hole 314 of the third housing 310 through the left end shielding layer 322 thereof, the large insulator 330 is fixed in the third housing 310 through the first step hole 311 and the first barb 312, as shown in fig. 16, a first round hole 331 and a second round hole 332 are provided in the large insulator 330, the small insulator 340 is fixed in the third housing 310 through the second step hole 313 and the second round hole 332, as shown in fig. 17, and a third round hole 341 is provided in the small insulator 340.
The coaxial cable assembly 300 further comprises a jack 350, as shown in fig. 14, the jack 350 is sleeved in a first round hole 331 on the large insulator 330, a fifth round hole 354 is arranged at the left end of the jack 350, a second barb 353 is arranged in the middle of the outer wall of the jack 350, two round holes perpendicular to each other are arranged at the right end of the jack 350, a fourth round hole 351 is arranged in the horizontal direction, an inner soldering tin hole 352 is arranged in the vertical direction, and a core wire 323 of the radio-frequency cable 320 is sleeved in the fourth round hole 351 and is welded and fixed with the fourth round hole 351 through the inner soldering tin hole 352.
The coaxial cable assembly 300 further includes two first sealing rings 360, as shown in fig. 6, the two first sealing rings 360 are disposed in the two first sealing ring grooves 318 of the outer wall of the third housing 310, and an outer surface of one of the first sealing rings 360 is in contact with an inner wall of the first sealing ring hole 120 of the first housing 110.
The radio frequency cable 320 is formed by welding and fixing the left end shielding layer 322 with the right end hole 314 of the third housing 310 through the external soldering tin hole 315, welding and fixing the left end core wire 323 with the fourth round hole 351 through the internal soldering tin hole 352, and fixing the large insulator 330 through the first step hole 311 and the first barb 312; the second step hole 313 is used to fix the small insulator 340; mounting screw holes 316 and flanges 317 are used to secure (axially, radially) the third housing 310 to the first housing; the second barbs 353 are used to fix the insertion holes 350, preventing the insertion holes 350 from moving rightward due to the force applied to the fifth round holes 354 during use; one first sealing ring is mainly used for water sealing between the first housing 110 and the second housing 210, and the other first sealing ring is mainly used for water sealing when the left end first port 600 is assembled with the antenna;
Example 4:
The embodiment specifically describes the fixing portion 200 on the basis of embodiment 1, as shown in fig. 8, 9, 10 and 11, the fixing portion 200 includes a second housing 210 and a fourth housing 230, and the fourth housing 230 is inserted into one side of the second housing 210; the second housing 210 includes two parts, namely a base 211 and a side positioning plate 221, wherein the base 211 is rectangular, and a right angle is arc-shaped, the side positioning plate 221 is vertically arranged on one side of the base 211, and mounting holes 218 are formed on the base 211 and the side positioning plate 221; as shown in fig. 12, the second annular boss 212 is disposed on the upper surface of the base 211, a concentric circular step hole 214 and a fourth inner hole 216 are disposed in the middle of the second annular boss 212 from top to bottom, the bottom surface of the circular step hole 214 is a coaxial positioning bottom surface 219, a third circular ring groove 213 is disposed in the middle of the side wall of the circular step hole 214, the other half of the D-shaped snap ring 400 is disposed in the third circular ring groove 213, a fifth inner hole 217 is disposed on one side of the base 211 near the side positioning plate 221, as shown in fig. 11, a third inner hole 215 is disposed between the fifth inner hole 217 and the fourth inner hole 216, one end of the third inner hole 215 is connected with the fourth inner hole 216, the other end of the third inner hole 215 is connected with the fifth inner hole 217, and the fifth inner hole 217 are perpendicular to the fourth inner hole 216.
As shown in fig. 13, the fourth housing 230 has a cylindrical structure, two annular grooves 231 are provided in the middle of the outer wall of the fourth housing 230, two second sealing rings 240 are provided in the two annular grooves 231, a through hole is provided in the fourth housing 230, the through hole is a sixth inner hole 232, and a large inclined guiding hole 233 is provided at one end of the sixth inner hole 232.
The side positioning plate 221 on the second housing 210 is used for positioning the rotating part 110 in a rotating way, and the mounting hole 218 is mainly used for fixing the second housing 210 and other devices in a mounting way; when the rotating part 100 rotates relative to the fixed part 200, the first inner hole 114, the second inner hole 115 in the first casing 110 of the rotating part and the third inner hole 215, the fourth inner hole 216 and the fifth inner hole 217 in the second casing 210 of the fixed part penetrate through the radio frequency cable 320, so that the left end signal transmission first port 600 and the signal transmission second port 700 are bent by 90 degrees twice in the middle, the port change is realized once or twice, and the conversion of any angle installation positions of the first port 600 and the second port 700 can be met.
The fourth housing 230 is screwed with the second housing 210 of the fixing part, and then a second sealing ring 240 is adopted to ensure the waterproof performance of the product; the sixth inner hole 232 is used for passing through the radio frequency cable 320 to ensure the corresponding position direction of the cable; the large inclined guide holes 233 play a role in guiding penetration of the radio frequency cable 320, so that smooth penetration of the radio frequency cable 320 is guaranteed, the large inclined guide holes 233 play a role in guiding penetration of the radio frequency cable 320, smooth penetration of the cable 320 is guaranteed, the inclined guide holes 233 are transition angles or holes designed for facilitating penetration of the radio frequency cable 320, the cable is protected, bending and torsion space and radius of the cable are increased, and loss of the cable is reduced; meanwhile, the cable is prevented from being damaged in the bending process, and the service life of the cable is prolonged.
As shown in fig. 4, an elastic pad 220 is disposed at the connection between the first housing 110 and the second housing 210, the elastic pad 220 is disposed on the circular stepped hole 214, the elastic pad 220 has a cylindrical structure, the outer diameter of the elastic pad is the same as that of the circular stepped hole 214, the upper surface of the elastic pad 220 contacts the bottom surface 116 of the rotating portion of the first housing 110, and the lower surface of the elastic pad 220 contacts the coaxially positioned bottom surface 219 of the second housing 210.
The elastic pad 220 enhances the positioning capability of the rotating part 100 through axial elastic expansion and contraction, namely, the rotating part 100 can realize damping positioning at any angle, and the damping of the rotating part 100 in the rotating process can be realized through adjusting the thickness of the elastic pad 220 so as to meet the requirements of different rotating forces. The first housing 110 and the second housing 210 are axially fixed by the D-shaped snap ring 400, and after the fixation, the bottom surface 116 of the rotating part of the first housing 110 and the coaxially positioned bottom surface 219 of the second housing 210 axially compress the elastic pad 220, so as to ensure water sealing of the rotating part 100 in the process of rotating around the fixed part 200.
As shown in fig. 2 and 3, a protective cap 301 is provided at the signal transmission first port 600. The material of the protective cap 301 is soft plastic, and mainly protects the interface when the product is running.
Example 5:
The assembly and use process of the present invention is specifically described in this embodiment, as shown in fig. 1 to 17.
1. The rotating portion 100 is assembled: mounting D-shaped snap ring 400 on first housing 110; two first sealing rings 360 are respectively installed at left and right ends of the third housing 310; the left end of the radio frequency cable 320 sequentially passes through the first shell 110 and the small insulator 340 after the cable core wire 323 and the shielding layer 322 are stripped according to corresponding sizes, finally passes through the fourth round hole 351 of the jack 350, and performs soldering welding on the core wire 323 and the fourth round hole 351 in the jack 350 through the inner soldering tin hole 352, and then is pressed into the large insulator 330 together; pressing the large insulator (assembly) 330 into the third housing 310 and soldering the right end hole 314 of the third housing 310 to the radio frequency cable shield 322 through the external solder holes 315; the third housing 310 (combination) is fitted into the first housing 110 and fixed with three screws 130, that is, the assembly of the rotating part is completed.
2. The fixing portion 200 is assembled: fitting the elastic pad 220 onto the circular stepped hole 214 in the second housing 210; the two second sealing rings 240 are fitted into the two annular grooves 231 formed in the fourth housing 230, i.e., the assembly of the fixing portion is completed.
3. And (3) assembling: passing the other end of the radio frequency cable 320 in the assembled rotating part 100 through the second casing 210, the elastic pad 220 and the fourth casing 230 of the fixed part 200 in order; pressing the portion of the first housing 110 of the rotating part 100 where the D-shaped snap ring 400 is installed into the circular stepped hole 214 of the second housing 210 in the fixed part 200; the fourth housing 230 is screwed into the threaded hole of the second housing 210, so that the rotating part 100 can freely rotate around the rotation center axis in the axial direction relative to the fixed part 200, and the self-positioning function of rotation at any angle is realized.
4. The left end hole 319 of the rotating part 100 can be optionally matched with any joint forms such as SMA, SSMA, SBNC and the like according to the requirement, and the connector can quickly derive a new product by replacing the joint.
The foregoing is a further detailed description of the invention in connection with the preferred embodiments, and it is not intended that the invention be limited to the specific embodiments described. It will be apparent to those skilled in the art that several simple deductions or substitutions may be made without departing from the spirit of the invention, and these should be considered to be within the scope of the invention.
Claims (8)
1. A rotationally positionable radio frequency coaxial rotary connector comprising a rotary part (100) and a stationary part (200), characterized in that: the rotating part (100) and the fixing part (200) are radially sleeved through a first circular boss (122) on the rotating part (100) and a second circular boss (212) on the fixing part (200), the rotating part (100) and the fixing part (200) are axially fixed through a D-shaped clamping ring (400), the rotating part (100) comprises a first shell (110) and a coaxial cable assembly (300), and the coaxial cable assembly (300) is sleeved in the first shell (110) and fixedly connected with the first shell (110);
The coaxial cable assembly (300) comprises a third shell (310), a radio frequency cable (320), a large insulator (330) and a small insulator (340), wherein the third shell (310) is of an integrated structure consisting of a large cylinder and a small cylinder, a flange plate (317) is arranged in the middle of the outer wall of the third shell (310), three uniformly arranged mounting screw holes (316) are formed in the flange plate (317), two first sealing ring grooves (318) are formed in the outer wall of the third shell (310) and positioned on the left side and the right side of the flange plate (317), concentric holes which are sequentially connected are formed in the third shell (310) from left to right, the concentric holes comprise a left end hole (319), a first step hole (311), a second step hole (313) and a right end hole (314), a first barb (312) is formed in the middle of the first step hole (311), and an outer soldering tin hole (315) is formed in the outer wall of the third shell (310) close to the right end hole (314); the radio frequency cable (320) is welded and fixed with a right end hole (314) of a third shell (310) through a left end shielding layer (322) of the radio frequency cable, the large insulator (330) is fixed in the third shell (310) through a first step hole (311) and a first barb (312), a first round hole (331) and a second round hole (332) are formed in the large insulator (330), the small insulator (340) is fixed in the third shell (310) through a second step hole (313) and the second round hole (332), a third round hole (341) is formed in the small insulator (340), and a protective cap (301) is arranged at a first signal transmission port (600).
2. A rotationally positionable radio frequency coaxial rotary connector according to claim 1 and wherein: a flange plate hole (111) is formed in the first shell (110), the flange plate hole (111) is located at the left end of the first shell (110), three screw holes (117) are uniformly formed in the periphery of the bottom surface of the flange plate hole (111), and a first sealing ring hole (120), a third shell hole (121) and a first inner hole (114) are sequentially formed in the right side of the flange plate hole (111); the lower surface of first shell (110) is established to the platykurtic, first shell (110) lower surface is equipped with a first ring boss (122), the bottom surface of first ring boss (122) is rotation part bottom surface (116), first ring boss (122) center department is equipped with second hole (115), second hole (115) are connected with first hole (114) perpendicularly, the junction of first hole (114) and second hole (115) is equipped with inclined hole (119), be equipped with first circular annular (112) taking second hole (115) as the center on the lower surface of first shell (110) cuboid, the internal diameter of first circular annular (112) is greater than the diameter of first ring boss (122), the bottom of first circular annular (112) inside wall is equipped with second circular annular (113), half of D type snap ring (400) is arranged in second circular annular (113).
3. A rotationally positionable radio frequency coaxial rotary connector according to claim 1 and wherein: the coaxial cable assembly (300) further comprises a jack (350), the jack (350) is sleeved in a first round hole (331) on the large insulator (330), a fifth round hole (354) is formed in the left end of the jack (350), a second barb (353) is formed in the middle of the outer wall of the jack (350), two round holes perpendicular to each other are formed in the right end of the jack (350), a fourth round hole (351) is formed in the right end of the jack (350), an inner soldering tin hole (352) is formed in the horizontal direction, and a core wire (323) of the radio-frequency cable (320) is sleeved in the fourth round hole (351) and is fixedly welded with the fourth round hole (351) through the inner soldering tin hole (352).
4. A rotationally positionable radio frequency coaxial rotary connector according to claim 1 or 2, wherein: the coaxial cable assembly (300) further comprises two first sealing rings (360), the two first sealing rings (360) are arranged in two first sealing ring grooves (318) on the outer wall of the third shell (310), and the outer surface of one first sealing ring (360) is in contact with the inner wall of the first sealing ring hole (120) of the first shell (110).
5. A rotationally positionable radio frequency coaxial rotary connector according to claim 1 and wherein: the fixing part (200) comprises a second shell (210) and a fourth shell (230), and the fourth shell (230) is inserted on one side of the second shell (210); the second shell (210) comprises two parts, namely a base (211) and a side locating plate (221), wherein the base (211) is rectangular, a right angle is arc-shaped, the side locating plate (221) is vertically arranged on one side of the base (211), and mounting holes (218) are formed in the base (211) and the side locating plate (221); the second circular boss (212) is arranged on the upper surface of the base (211), concentric circular stepped holes (214) and fourth inner holes (216) are formed in the middle of the second circular boss (212) from top to bottom, the bottom surface of the circular stepped holes (214) is a coaxial positioning bottom surface (219), a third circular annular groove (213) is formed in the middle of the side wall of the circular stepped holes (214), the other half of the D-shaped clamping ring (400) is arranged in the third circular annular groove (213), a fifth inner hole (217) is formed in one side, close to the side surface positioning plate (221), of the base (211), a third inner hole (215) is formed between the fifth inner hole (217) and the fourth inner hole (216), one end of the third inner hole (215) is connected with the fourth inner hole (216), the other end of the third inner hole (215) is connected with the fifth inner hole (217), and the third inner hole (215) and the fifth inner hole (217) are perpendicular to the fourth inner hole (216).
6. A rotationally positionable radio frequency coaxial rotary connector according to claim 5 and wherein: the fourth shell (230) is of a cylindrical structure, two annular grooves (231) are formed in the middle of the outer wall of the fourth shell (230), two second sealing rings (240) are arranged in the two annular grooves (231), a through hole is formed in the fourth shell (230), the through hole is a sixth inner hole (232), and a large inclined guide hole (233) is formed in one end of the sixth inner hole (232).
7. A rotationally positionable radio frequency coaxial rotary connector according to claim 1, 5 or 6 and wherein: one end of the radio frequency cable (320) is connected with the third shell (310) through the right end hole (314)
The other end of the radio frequency cable (320) is fixedly connected, and the other end of the radio frequency cable sequentially passes through a fourth inner hole (216), a third inner hole (215), a fifth inner hole (217) and a large inclined guide hole (233) and a sixth inner hole (232) in the second housing (210) and the fourth housing (230).
8. A rotationally positionable radio frequency coaxial rotary connector according to claim 2 or 5 and wherein: the connection part of the first shell (110) and the second shell (210) is provided with an elastic pad (220), the elastic pad (220) is arranged on the circular step hole (214), the elastic pad (220) is of a cylindrical structure, the outer diameter of the elastic pad is the same as that of the circular step hole (214), the upper surface of the elastic pad (220) is in contact with the bottom surface (116) of the rotating part of the first shell (110), and the lower surface of the elastic pad (220) is in contact with the coaxial positioning bottom surface (219) of the second shell (210).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810016080.8A CN108075338B (en) | 2018-01-08 | 2018-01-08 | Radio frequency coaxial rotary connector capable of being positioned in rotary mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810016080.8A CN108075338B (en) | 2018-01-08 | 2018-01-08 | Radio frequency coaxial rotary connector capable of being positioned in rotary mode |
Publications (2)
| Publication Number | Publication Date |
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| CN108075338A CN108075338A (en) | 2018-05-25 |
| CN108075338B true CN108075338B (en) | 2024-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810016080.8A Active CN108075338B (en) | 2018-01-08 | 2018-01-08 | Radio frequency coaxial rotary connector capable of being positioned in rotary mode |
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| Country | Link |
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| CN (1) | CN108075338B (en) |
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|---|---|
| CN108075338A (en) | 2018-05-25 |
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