CN107221776A - A kind of strong radio frequency (RF) coaxial connector of impact resistance - Google Patents
A kind of strong radio frequency (RF) coaxial connector of impact resistance Download PDFInfo
- Publication number
- CN107221776A CN107221776A CN201710547384.2A CN201710547384A CN107221776A CN 107221776 A CN107221776 A CN 107221776A CN 201710547384 A CN201710547384 A CN 201710547384A CN 107221776 A CN107221776 A CN 107221776A
- Authority
- CN
- China
- Prior art keywords
- insulator
- fastener
- outer conductor
- radio frequency
- coaxial connector
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
-
- 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
- H01R13/02—Contact members
- H01R13/03—Contact members characterised by the material, e.g. plating, or coating materials
-
- 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
- H01R13/516—Means for holding or embracing insulating body, e.g. casing, hoods
-
- 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
- H01R13/533—Bases, cases made for use in extreme conditions, e.g. high temperature, radiation, vibration, corrosive environment, pressure
-
- 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
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
- H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
- H01R13/6581—Shield structure
-
- 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
- H01R24/40—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency
Abstract
The invention provides a kind of strong radio frequency (RF) coaxial connector of impact resistance, the present invention is simple in construction, cloudy head linkage section, male linkage section, pass through the cooperation of fastener and engaging member, effectively prevent from relatively rotating between the first insulator and outer conductor inside when radio frequency (RF) coaxial connector receives impact, loosening is prevented, the impact resistance of radio frequency (RF) coaxial connector is improved, it is ensured that the reliability and security connected between the first insulator and outer conductor；Blind nut is with being provided with sealing ring at the cooperation of blind nut hole, it is ensured that sealing, eliminates the influence of radio frequency leakage；Contact pin surface gold-plating ensures that signal communication is good in long-time use, and shell nickel plating strengthens the corrosion resistance of radio frequency (RF) coaxial connector.
Description
Technical field
The present invention relates to electromechanical compo technical field, and in particular to a kind of strong radio frequency (RF) coaxial connector of impact resistance.
Background technology
Radio frequency (RF) coaxial connector is typically considered a kind of element being installed on cable or on instrument, is used as biography
The element of defeated line electrical connection or separation.It belongs to electromechanical integrated product, compared with other electronic components, RF coaxial connection
The development history of device is shorter.The UHF connectors that nineteen thirty occurs are earliest radio frequency (RF) coaxial connectors.The World War II phase is arrived
Between, because war is badly in need of, with thunder and lightning, radio station and the development of microwave communication, the medium-sized series such as N, C, BNC, TNC is generated,
The miniaturized products such as SMA, SMB, SMC are occurred in that after 1958, MILSTD MIL-C-39012 have been formulated within 1964《Penetrate
Frequency coaxial connector generic specification》, from this, radio frequency (RF) coaxial connector starts to develop to standardization, seriation, generalization direction.
In the time of more than 60 years, by the joint efforts of various countries expert, radio frequency (RF) coaxial connector is set to form the specialty of independent completion
System, as the important component in connector family.It is the indispensable key element of coaxial transmission system.American and Britain, method
Radio frequency (RF) coaxial connector Development Techniques Deng country are maintained the leading position, and it is designed, produces, tests, tended to using technology
It is kind, not only form the also standard such as complete standards system, and raw material, auxiliary material, test system, assembly tool
Change, and carry out specialized large-scale production, existing radio frequency (RF) coaxial connector anti-seismic performance, shock resistance be not good, when being rushed
When hitting, it can be relatively rotated between insulator and outer conductor, the electric property of reduction radio frequency (RF) coaxial connector work.
The content of the invention
In order to solve problems of the prior art, the invention provides a kind of strong RF coaxial connection of impact resistance
Device, the characteristics of improving standing wave with impact resistance, anti-impedance matching.
Technical proposal that the invention solves the above-mentioned problems is：A kind of strong radio frequency (RF) coaxial connector of impact resistance, including the moon
Head linkage section, male linkage section, cloudy head linkage section include contact pin, the first insulator, outer conductor, swivel nut；Contact pin is cylinder, is inserted
Pin one end is provided with nose cone, and cone angle is 50 °, and contact pin is provided with first step, second step, the 3rd step, the 4th step；
First insulator is cylindrical hollow structure, and upper and lower ends are not blocked, and first insulator one end end face is provided with
On first annular groove, first annular groove center axle and the first insulator center overlapping of axles, the first insulator other end end face
Be sequentially provided with first annular boss, fastener in the radial direction along what diameter increased, first annular boss, fastener central shaft it is equal
With the first insulator center overlapping of axles, fastener includes disk, fan-shaped projection, and disc centre is provided with outside mounting hole, disk mounting holes
Provided with multiple fan-shaped projections, fan-shaped raised annular is uniformly distributed, and the angle between two neighboring fan-shaped projection is equal；
It is provided with outer conductor in manhole, the central shaft of manhole and the center overlapping of axles of outer conductor, manhole
Provided with the second annular boss, fastener, fastener is located at below the second annular boss, fastener in the horizontal direction be projected as circle
Annular, fastener is provided with multiple scallop holes, and scallop hole circularizes distribution around fastener central shaft, two neighboring scallop hole it
Between angle it is equal；The outer conductor face of cylinder is provided with first shaft shoulder, second shaft shoulder, the 3rd shaft shoulder, one end end face of outer conductor
Provided with the second annular groove, the cross sectional shape of the second annular groove is trapezoidal；
Outer conductor is located in swivel nut, and sealing ring is provided with the 3rd shaft shoulder；Insulator is located in the manhole of outer conductor, absolutely
The one end of edge provided with first annular groove is connected with the second annular boss, and the other end is fixed by the cooperation of fastener and fastener
On outer conductor；Contact pin is located in the cavity of insulator, and the one end of insulator provided with first annular boss is connected with second step,
The other end is connected with the 3rd step；
Male linkage section includes setting on the first shell, second housing, blind nut, the second insulator, first shell one end end face
Have on the center overlapping of axles of jack, the central shaft of jack and the first shell, the face of cylinder of the first shell diametrically successively
Provided with blind nut hole, the first circular hole, the second circular hole, blind nut hole, the first circular hole, the central shaft of the second circular hole hang down with jack center axle
Directly, the first circular hole and jack insertion；Second housing cross sectional shape is annulus, and the first shell is fixed in second housing, and second is exhausted
Edge is fixed in the first circular hole, and blind nut is fixed in blind nut hole；
Sealing ring is provided with second annular groove, outer conductor is stretched into the second circular hole, one end provided with the second annular groove
Fixed with the first shell, contact pin is stretched into the second circular hole.
The cross sectional shape of the sealing ring is ellipse, and sealing ring material is silicon rubber.
The ferrule material is ledrite, and surface is covered with 0.03um golden electrodeposited coating.
The outer conductor, the first shell, second housing material are ledrite, and surface is covered with 3um nickel electrodeposited coating.
The isolator material is polytetrafluoroethylene (PTFE).
The present invention has beneficial effect：The present invention is simple in construction, by the cooperation of fastener and engaging member, effectively prevents radio frequency
Relatively rotated between the first insulator and outer conductor inside when coaxial connector receives impact, prevent loosening, carry
The high impact resistance of radio frequency (RF) coaxial connector, it is ensured that the reliability and safety connected between the first insulator and outer conductor
Property；Blind nut is with being provided with sealing ring at the cooperation of blind nut hole, it is ensured that sealing, eliminates the influence of radio frequency leakage；Plate on contact pin surface
Gold ensures that signal communication is good in long-time use, and shell nickel plating strengthens the corrosion resistance of radio frequency (RF) coaxial connector.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention.
Fig. 2 is contact pin structure schematic diagram of the present invention.
Fig. 3 is the first insulator structure schematic diagram of the invention.
Fig. 4 is outer conductor structural representation of the present invention.
Fig. 5 is fastener structural representation of the present invention.
Fig. 6 is adaptor configuration schematic diagram of the present invention.
Fig. 7 is the first conductor structure schematic diagram of the invention.
In figure：1- the moon head linkage sections, 2- male linkage sections, 3- contact pins, the insulators of 4- first, 5- outer conductors, 6- swivel nuts, 7-
First step, 8- second steps, the steps of 9- the 3rd, the steps of 10- the 4th, the first annular grooves of 11-, the first annular boss of 12-,
13- fasteners, 14- disks, 15- is fan-shaped raised, 16- mounting holes, 17- manholes, the annular boss of 18- second, 19- fasteners,
20- scallop holes, the shaft shoulders of 21- first, the shaft shoulders of 22- second, the shaft shoulders of 23- the 3rd, the annular grooves of 24- second, 25- sealing rings, 26-
One shell, 27- second housings, 28- blind nuts, the insulators of 29- second, 30- jacks, 31- blind nuts hole, the circular holes of 32- first, 33-
Two circular holes, 35- sealing rings.
Embodiment
Below in conjunction with the accompanying drawings and embodiment the present invention is further illustrated.
A kind of strong radio frequency (RF) coaxial connector of impact resistance, including cloudy head linkage section, male linkage section；Cloudy head linkage section bag
Include contact pin, the first insulator, outer conductor, swivel nut；Contact pin is cylinder, and contact pin one end is provided with nose cone, and cone angle is 50 °,
Contact pin is provided with first step, second step, the 3rd step, the 4th step；
First insulator is cylindrical hollow structure, and upper and lower ends are not blocked, and first insulator one end end face is provided with
On first annular groove, first annular groove center axle and the first insulator center overlapping of axles, the first insulator other end end face
Be sequentially provided with first annular boss, fastener in the radial direction along what diameter increased, first annular boss, fastener central shaft it is equal
With the first insulator center overlapping of axles, fastener includes disk, fan-shaped projection, and disc centre is provided with outside mounting hole, disk mounting holes
Provided with multiple fan-shaped projections, fan-shaped raised annular is uniformly distributed, and the angle between two neighboring fan-shaped projection is equal；
It is provided with outer conductor in manhole, the central shaft of manhole and the center overlapping of axles of outer conductor, manhole
Provided with the second annular boss, fastener, fastener is located at below the second annular boss, fastener in the horizontal direction be projected as circle
Annular, fastener is provided with multiple scallop holes, and scallop hole circularizes distribution around fastener central shaft, two neighboring scallop hole it
Between angle it is equal；The outer conductor face of cylinder is provided with first shaft shoulder, second shaft shoulder, the 3rd shaft shoulder, one end end face of outer conductor
Provided with the second annular groove, the cross sectional shape of the second annular groove is trapezoidal；
Outer conductor is located in swivel nut, and sealing ring is provided with the 3rd shaft shoulder；Insulator is located in the manhole of outer conductor, absolutely
The one end of edge provided with first annular groove is connected with the second annular boss, and the other end is fixed by the cooperation of fastener and fastener
On outer conductor；Contact pin is located in the cavity of insulator, and the one end of insulator provided with first annular boss is connected with second step,
The other end is connected with the 3rd step；
Male linkage section includes setting on the first shell, second housing, blind nut, the second insulator, first shell one end end face
Have on the center overlapping of axles of jack, the central shaft of jack and the first shell, the face of cylinder of the first shell diametrically successively
Provided with blind nut hole, the first circular hole, the second circular hole, blind nut hole, the first circular hole, the central shaft of the second circular hole hang down with jack center axle
Directly, the first circular hole and jack insertion；Second housing cross sectional shape is annulus, and the first shell is fixed in second housing, and second is exhausted
Edge is fixed in the first circular hole, and blind nut is fixed in blind nut hole；
Sealing ring is provided with second annular groove, outer conductor is stretched into the second circular hole, one end provided with the second annular groove
Fixed with the first shell, contact pin is stretched into the second circular hole.
The cross sectional shape of the sealing ring is ellipse, and sealing ring material is silicon rubber.
The ferrule material is ledrite, and surface is covered with 0.03um golden electrodeposited coating.
The outer conductor, the first shell, second housing material are ledrite, and surface is covered with 3um nickel electrodeposited coating.
The isolator material is polytetrafluoroethylene (PTFE).
Using radio frequency (RF) coaxial connector made from this structure, its electric property is as follows：
1st, insulaion resistance >=5000m Ω；
2nd, inner wire contact resistance≤1m Ω, outer conductor contact resistance≤0.25m Ω；
3rd, pressure-resistant >=1000V.
During assembling, cable is stripped according to wire stripping size first, in the jack that cable is inserted to male linkage section, by the
Two insulators are put into the first circular hole；Then the first insulator, contact pin are assembled in outer conductor, sealing ring, sealing ring is reassembled；
Male linkage section is assembled together with cloudy head linkage section, blind nut is finally pressed into blind nut hole by welding cable cored wire and contact pin.
Many other changes and remodeling can be made by not departing from the spirit and scope of the present invention.It should be appreciated that the present invention is not
It is limited to specific embodiment, the scope of the present invention is defined by the following claims.
Claims (5)
1. a kind of a kind of strong radio frequency (RF) coaxial connector of impact resistance, it is characterised in that the strong RF coaxial connection of impact resistance
Device, including cloudy head linkage section, male linkage section, cloudy head linkage section include contact pin, the first insulator, outer conductor, swivel nut；Contact pin is
Cylinder, contact pin one end be provided with nose cone, cone angle be 50 °, contact pin provided with first step, second step, the 3rd step,
4th step；
First insulator is cylindrical hollow structure, and upper and lower ends are not blocked, and first insulator one end end face is provided with first
On annular groove, first annular groove center axle and the first insulator center overlapping of axles, the first insulator other end end face along
Diameter increase is sequentially provided with first annular boss, fastener in the radial direction, and first annular boss, the central shaft of fastener are with the
One insulator center overlapping of axles, fastener includes disk, fan-shaped projection, and disc centre is provided with mounting hole, and disk mounting holes are externally provided with
Multiple fan-shaped raised, fan-shaped raised annular is uniformly distributed, and the angle between two neighboring fan-shaped projection is equal；
It is provided with manhole, the central shaft of manhole and the center overlapping of axles of outer conductor, manhole and is provided with outer conductor
Second annular boss, fastener, fastener be located at the second annular boss below, fastener in the horizontal direction be projected as annulus
Shape, fastener is provided with multiple scallop holes, and scallop hole is circularized between distribution, two neighboring scallop hole around fastener central shaft
Angle it is equal；The outer conductor face of cylinder is provided with first shaft shoulder, second shaft shoulder, the 3rd shaft shoulder, one end end face of outer conductor and set
There is the second annular groove, the cross sectional shape of the second annular groove is trapezoidal；
Outer conductor is located in swivel nut, and sealing ring is provided with the 3rd shaft shoulder；Insulator is located in the manhole of outer conductor, insulator
One end provided with first annular groove is connected with the second annular boss, and the other end is fixed outside by the cooperation of fastener and fastener
On conductor；Contact pin is located in the cavity of insulator, and the one end of insulator provided with first annular boss is connected with second step, another
End is connected with the 3rd step；
Male linkage section includes the first shell, second housing, blind nut, the second insulator, and first shell one end end face is provided with slotting
Diametrically it is sequentially provided with the center overlapping of axles of hole, the central shaft of jack and the first shell, the face of cylinder of the first shell
Blind nut hole, the first circular hole, the second circular hole, blind nut hole, the first circular hole, the second circular hole central shaft it is vertical with jack center axle,
First circular hole and jack insertion；Second housing cross sectional shape is annulus, and the first shell is fixed in second housing, the second insulator
It is fixed in the first circular hole, blind nut is fixed in blind nut hole；
Sealing ring is provided with second annular groove, outer conductor is stretched into the second circular hole, one end provided with the second annular groove and the
One shell is fixed, and contact pin is stretched into the second circular hole.
2. the strong radio frequency (RF) coaxial connector of a kind of impact resistance as claimed in claim 1, it is characterised in that the sealing ring
Cross sectional shape is ellipse, and sealing ring material is silicon rubber.
3. a kind of strong radio frequency (RF) coaxial connector of impact resistance as claimed in claim 1, it is characterised in that the ferrule material
For ledrite, surface is covered with 0.03um golden electrodeposited coating.
4. a kind of strong radio frequency (RF) coaxial connector of impact resistance as claimed in claim 1, it is characterised in that the outer conductor,
First shell, second housing material are ledrite, and surface is covered with 3um nickel electrodeposited coating.
5. a kind of strong radio frequency (RF) coaxial connector of impact resistance as claimed in claim 1, it is characterised in that the insulator material
Expect for polytetrafluoroethylene (PTFE).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710547384.2A CN107221776B (en) | 2017-07-06 | 2017-07-06 | Radio frequency coaxial connector with strong impact resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710547384.2A CN107221776B (en) | 2017-07-06 | 2017-07-06 | Radio frequency coaxial connector with strong impact resistance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107221776A true CN107221776A (en) | 2017-09-29 |
| CN107221776B CN107221776B (en) | 2023-04-07 |
Family
ID=59953227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710547384.2A Active CN107221776B (en) | 2017-07-06 | 2017-07-06 | Radio frequency coaxial connector with strong impact resistance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107221776B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201498785U (en) * | 2009-08-10 | 2010-06-02 | 光红建圣股份有限公司 | Anti-rotation joint for shielded structure |
| CN204361442U (en) * | 2014-12-23 | 2015-05-27 | 湖北日海通讯技术有限公司 | Radio frequency (RF) coaxial connector |
-
2017
- 2017-07-06 CN CN201710547384.2A patent/CN107221776B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201498785U (en) * | 2009-08-10 | 2010-06-02 | 光红建圣股份有限公司 | Anti-rotation joint for shielded structure |
| CN204361442U (en) * | 2014-12-23 | 2015-05-27 | 湖北日海通讯技术有限公司 | Radio frequency (RF) coaxial connector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107221776B (en) | 2023-04-07 |
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