CN107369997A - A kind of radio frequency (RF) coaxial connector of high reliability - Google Patents
A kind of radio frequency (RF) coaxial connector of high reliability Download PDFInfo
- Publication number
- CN107369997A CN107369997A CN201710548044.1A CN201710548044A CN107369997A CN 107369997 A CN107369997 A CN 107369997A CN 201710548044 A CN201710548044 A CN 201710548044A CN 107369997 A CN107369997 A CN 107369997A
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- Prior art keywords
- groove
- hole
- conductor
- insulator
- boss
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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
- 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
-
- 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
Landscapes
- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
The invention provides a kind of radio frequency (RF) coaxial connector of high reliability, the present invention includes the first conductor, the second conductor, the first insulator, swivel nut, sealing ring, housing, pass through the cooperation of installed part and mounting groove, effectively prevent from relatively rotating between the second conductor inside radio frequency (RF) coaxial connector and the first insulator, loosening is prevented, ensures the reliability connected between the second conductor and the first insulator；By setting multiple tooth form grooves and tooth form boss on the first insulator end face, annular table end face, the reliability and security connected between the first insulator and the first conductor is ensure that using the cooperation of tooth form groove and tooth form boss, extends service life.
Description
Technical field
The present invention relates to radio frequency (RF) coaxial connector technical field, and in particular to a kind of RF coaxial connection of high reliability
Device.
Background technology
Connector is the Functional Unit that a kind of effect by means of electric signal or mechanical force makes circuit on-off or changing-over
Part, its transmitting telecommunication number or electron energy, therefore, every electronic system can where find connector, large-scale
Electronic system in, often require that with thousands of individual connectors, connector is to ensure various electronic system normal works safety
One of key element of operation.Connector for RF coaxial feeder system is commonly referred to as radio frequency (RF) coaxial connector, in radio frequency electrical
Lu Zhong, predetermined impedance stably and electric capacity are kept, it is necessary to shield the electrical Interference in the external world, must just use radio frequency (RF) coaxial connector
To interconnect, existing radio frequency (RF) coaxial connector be used for circuit board to circuit board or circuit board to radio-frequency module or radio-frequency module to penetrating
Radio frequency (RF) coaxial connector need to have certain radial and axial tolerance to compensate the tolerance of manufacture during frequency module.Radio frequency (RF) coaxial connector
The reliability of connection is most important, is connected according to coupling torque as defined in national military standard, can ensure not damage connector, while real
Now it is reliably connected.Existing radio frequency (RF) coaxial connector includes housing and inner wire, and inner wire is coated with insulator, but existing
There is no good anti-skid structure between inner wire and insulator, it is impossible to effectively prevent that relative turn occurs between inner wire and insulator
It is dynamic, radio frequency electric property is reduced, reduces the reliability of 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 connection of the RF coaxial of high reliability
Device, there is the characteristics of reliability is high, security is good.
Technical proposal that the invention solves the above-mentioned problems is：A kind of radio frequency (RF) coaxial connector of high reliability, including first
Conductor, the second conductor, the first insulator, swivel nut, sealing ring, housing, swivel nut is interior to be provided with the first groove, and the first groove is around swivel nut
Inner peripheral surface is set；
Second conductor is divided into the firstth area, the secondth area, the 3rd area, and the firstth area is connected with the 3rd area by the secondth area；Firstth area
The one end not being connected with the secondth area is provided with nose cone, and nose cone angle is 36 °；Secondth area is provided with installed part, installed part bag
Including mounting ring, connector, mounting ring cross sectional shape is annular, and multiple connectors circularize array around mounting ring, adjacent two
Angle between individual mounting ring is equal, and connector one end is fixed in mounting ring, and connector is that cross sectional shape is fan-shaped；3rd area
The one end not being connected with the secondth area is provided with the center overlapping of axles of blind hole, the central shaft of blind hole and the first conductor, is provided with blind hole more
Individual aperture, each aperture are connected with blind hole, and aperture is circularized around blind hole and is uniformly distributed, the angle between two neighboring aperture
It is equal；
First insulator is cylinder, and the first insulator both ends are respectively equipped with the first pilot hole, the second pilot hole, and first leads
The center overlapping of axles of Xiang Kong, the central shaft of the second pilot hole with the first insulator, the diameter of the first pilot hole are led less than second
Xiang Kong, connected between the first pilot hole and the second pilot hole；Be provided with mounting groove in first pilot hole, mounting groove including annular groove,
Radial slot, multiple radial slots circularize array around annular groove, and the angle between two neighboring radial slot is equal, and radial slot is cut
Face is shaped as sector；The end face that first insulator is provided with the first pilot hole is provided with multiple toothed projections and tooth form groove, tooth form
It is staggered between raised and tooth form groove, a tooth form groove is provided between two neighboring toothed projections；
First conductor is cylinder, and the first conductor is provided with first boss, second boss, first boss and second boss phase
Even, the diameter of first boss is more than second boss diameter, and first boss is provided with the second groove, and the second groove is around first boss
Periphery is set；First conductor both ends are respectively equipped with the first axial hole, the 4th axial hole, the first axial hole, the 4th axial hole
Center overlapping of axles of the central shaft with the first conductor, be sequentially provided among the first axial hole to the 4th axial hole the second axial hole,
3rd axial hole, the diameter of the second axial hole are less than the first axial hole, on the end face that the second axial hole is connected with the first axial hole
Provided with annular table, the 3rd axial bore dia is less than the 4th axial bore dia, the end face that the 3rd axial hole is connected with the 4th axial hole
Place is provided with the 3rd groove, and the 3rd groove is set around the 3rd axial hole；
Annular table one end is provided with multiple toothed projections and tooth form groove, is staggered between toothed projections and tooth form groove,
A tooth form groove is provided between two neighboring toothed projections；
Second conductor is fixed together with the first insulator by the cooperation of installed part and mounting groove；First insulator is located at
In second axial hole, the first insulator is connected with annular table by tooth form groove with the cooperation of toothed projections, the other end and bushing
It is connected, installation sheet is provided with the second pilot hole；First groove aligns with the second groove, and snap ring is placed in the region, swivel nut and first
Conductor is fixed by snap ring；Sealing ring is located at one end that first boss is not connected with second boss；Shell one end inserts the 4th axle
Into hole, end is connected with bushing.
The lagging material is ledrite.
The snap ring material is stainless steel.
The sealing ring is silicone rubber O-ring.
First insulating material is polytetrafluoroethylene (PTFE).
The present invention has beneficial effect：The present invention effectively prevents RF coaxial from connecting by the cooperation of installed part and mounting groove
Connect and relatively rotated between the second conductor inside device and the first insulator, prevent loosening, ensure the second conductor and the
The reliability connected between one insulator；By set on the first insulator end face, annular table end face multiple tooth form grooves with
Tooth form boss, ensure that using the cooperation of tooth form groove and tooth form boss connected between the first insulator and the first conductor it is reliable
Property and security, extend service life.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention.
Fig. 2 is the first conductor structure schematic diagram of the invention.
Fig. 3 is the second conductor structure schematic diagram of the invention.
Fig. 4 is installed part top view of the present invention.
Fig. 5 is annular table front view of the present invention.
Fig. 6 is annular table top view of the present invention.
Fig. 7 is the first insulator structure schematic diagram of the invention.
In figure：1- housings, 2- swivel nuts, the conductors of 3- first, the conductors of 4- second, the insulators of 5- first, 6- bushings, 7- sealings
Circle, 9- snap rings, the areas of 10- first, the areas of 11- second, the areas of 13- the 3rd, 14- nose cones, 15- blind holes, the pilot holes of 16- first, 17- the
Two pilot holes, 18- mounting grooves, 19- annular grooves, 20- radial slots, 21- installed parts, 22- mounting rings, 23- connectors, 24- tooth forms
Projection, 25- tooth form grooves, 26- first boss, 27- second boss, the axial holes of 28- first, the axial holes of 29- second, 30- the 3rd
Axial hole, the axial holes of 31- the 4th, the grooves of 32- second, 33- annular tables, the grooves of 34- the 3rd, 35- installation sheets, the grooves of 36- first.
Embodiment
Below in conjunction with the accompanying drawings and embodiment the present invention is further illustrated.
A kind of radio frequency (RF) coaxial connector of high reliability, including it is the first conductor, the second conductor, the first insulator, swivel nut, close
Seal, housing, swivel nut is interior to be provided with the first groove, and the first groove is set around swivel nut inner peripheral surface；
Second conductor is divided into the firstth area, the secondth area, the 3rd area, and the firstth area is connected with the 3rd area by the secondth area；Firstth area
The one end not being connected with the secondth area is provided with nose cone, and nose cone angle is 36 °；Secondth area is provided with installed part, installed part bag
Including mounting ring, connector, mounting ring cross sectional shape is annular, and multiple connectors circularize array around mounting ring, adjacent two
Angle between individual mounting ring is equal, and connector one end is fixed in mounting ring, and connector is that cross sectional shape is fan-shaped；3rd area
The one end not being connected with the secondth area is provided with the center overlapping of axles of blind hole, the central shaft of blind hole and the first conductor, is provided with blind hole more
Individual aperture, each aperture are connected with blind hole, and aperture is circularized around blind hole and is uniformly distributed, the angle between two neighboring aperture
It is equal；
First insulator is cylinder, and the first insulator both ends are respectively equipped with the first pilot hole, the second pilot hole, and first leads
The center overlapping of axles of Xiang Kong, the central shaft of the second pilot hole with the first insulator, the diameter of the first pilot hole are led less than second
Xiang Kong, connected between the first pilot hole and the second pilot hole；Be provided with mounting groove in first pilot hole, mounting groove including annular groove,
Radial slot, multiple radial slots circularize array around annular groove, and the angle between two neighboring radial slot is equal, and radial slot is cut
Face is shaped as sector；The end face that first insulator is provided with the first pilot hole is provided with multiple toothed projections and tooth form groove, tooth form
It is staggered between raised and tooth form groove, a tooth form groove is provided between two neighboring toothed projections；
First conductor is cylinder, and the first conductor is provided with first boss, second boss, first boss and second boss phase
Even, the diameter of first boss is more than second boss diameter, and first boss is provided with the second groove, and the second groove is around first boss
Periphery is set；First conductor both ends are respectively equipped with the first axial hole, the 4th axial hole, the first axial hole, the 4th axial hole
Center overlapping of axles of the central shaft with the first conductor, be sequentially provided among the first axial hole to the 4th axial hole the second axial hole,
3rd axial hole, the diameter of the second axial hole are less than the first axial hole, on the end face that the second axial hole is connected with the first axial hole
Provided with annular table, the 3rd axial bore dia is less than the 4th axial bore dia, the end face that the 3rd axial hole is connected with the 4th axial hole
Place is provided with the 3rd groove, and the 3rd groove is set around the 3rd axial hole；
Annular table one end is provided with multiple toothed projections and tooth form groove, is staggered between toothed projections and tooth form groove,
A tooth form groove is provided between two neighboring toothed projections；
Second conductor is fixed together with the first insulator by the cooperation of installed part and mounting groove；First insulator is located at
In second axial hole, the first insulator is connected with annular table by tooth form groove with the cooperation of toothed projections, the other end and bushing
It is connected, installation sheet is provided with the second pilot hole；First groove aligns with the second groove, and snap ring is placed in the region, swivel nut and first
Conductor is fixed by snap ring；Sealing ring is located at one end that first boss is not connected with second boss；Shell one end inserts the 4th axle
Into hole, end is connected with bushing.
The lagging material is ledrite.
The snap ring material is stainless steel.
The sealing ring is silicone rubber O-ring.
First insulating material is polytetrafluoroethylene (PTFE).
It is as follows using radio frequency (RF) coaxial connector made from this structure, its electric property：
1st, insulaion resistance >=5000m Ω；
2nd, inner wire contact resistance≤1m Ω, outer conductor contact resistance≤0.25m Ω；
3rd, pressure-resistant >=1000V；
4th, 96 hours salt mist experiments are crossed.
During assembling, cable is stripped according to wire stripping size first, successively by housing, bushing, mounting ring, the second conductor,
One insulator is through on cable, then welding cable cored wire and the second conductor, then by the housing being welded, bushing, mounting ring,
Two conductors, the first insulator are fitted into the first conductor.
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 radio frequency (RF) coaxial connector of high reliability, it is characterised in that a kind of radio frequency (RF) coaxial connector of high reliability, bag
The first conductor, the second conductor, the first insulator, swivel nut, sealing ring, housing are included, the first groove, the first groove ring are provided with swivel nut
Set around swivel nut inner peripheral surface；
Second conductor is divided into the firstth area, the secondth area, the 3rd area, and the firstth area is connected with the 3rd area by the secondth area；Firstth area not with
The connected one end in secondth area is provided with nose cone, and nose cone angle is 36 °；Secondth area is provided with installed part, and installed part includes peace
Ring, connector are filled, mounting ring cross sectional shape is annular, and multiple connectors circularize array, two neighboring peace around mounting ring
The angle filled between ring is equal, and connector one end is fixed in mounting ring, and connector is that cross sectional shape is fan-shaped；3rd area not with
The connected one end in secondth area is provided with the center overlapping of axles of blind hole, the central shaft of blind hole and the first conductor, is provided with blind hole multiple small
Hole, each aperture are connected with blind hole, and aperture is circularized around blind hole and is uniformly distributed, the angle phase between two neighboring aperture
Deng；
First insulator is cylinder, and the first insulator both ends are respectively equipped with the first pilot hole, the second pilot hole, and first is oriented to
The center overlapping of axles of hole, the central shaft of the second pilot hole with the first insulator, the diameter of the first pilot hole are less than second and are oriented to
Hole, connected between the first pilot hole and the second pilot hole；Mounting groove is provided with first pilot hole, mounting groove includes annular groove, footpath
To groove, multiple radial slots circularize array around annular groove, and the angle between two neighboring radial slot is equal, the section of radial slot
It is shaped as sector；The end face that first insulator is provided with the first pilot hole is provided with multiple toothed projections and tooth form groove, and tooth form is convex
Rise and be staggered between tooth form groove, a tooth form groove is provided between two neighboring toothed projections；
First conductor is cylinder, and the first conductor is provided with first boss, second boss, and first boss is connected with second boss,
The diameter of first boss is more than second boss diameter, and first boss is provided with the second groove, and the second groove is justified around first boss
Side face is set；First conductor both ends are respectively equipped with the first axial hole, the 4th axial hole, in the first axial hole, the 4th axial hole
Center overlapping of axles of the mandrel with the first conductor, the second axial hole, are sequentially provided among the first axial hole to the 4th axial hole
Three axial holes, the diameter of the second axial hole are less than the first axial hole, set on the end face that the second axial hole is connected with the first axial hole
There is annular table, the 3rd axial bore dia is less than the 4th axial bore dia, the end that the 3rd axial hole is connected with the 4th axial hole
Provided with the 3rd groove, the 3rd groove is set around the 3rd axial hole；
Annular table one end is provided with multiple toothed projections and tooth form groove, is staggered between toothed projections and tooth form groove, adjacent
A tooth form groove is provided between two toothed projections；
Second conductor is fixed together with the first insulator by the cooperation of installed part and mounting groove；First insulator is located at second
In axial hole, the first insulator is connected with annular table by tooth form groove with the cooperation of toothed projections, and the other end is connected with bushing,
Installation sheet is provided with second pilot hole；First groove aligns with the second groove, and snap ring is placed in the region, and swivel nut leads to the first conductor
Snap ring is crossed to fix；Sealing ring is located at one end that first boss is not connected with second boss；Shell one end is inserted in the 4th axial hole,
End is connected with bushing.
2. a kind of radio frequency (RF) coaxial connector of high reliability as claimed in claim 1, it is characterised in that the lagging material is
Ledrite.
3. a kind of radio frequency (RF) coaxial connector of high reliability as claimed in claim 1, it is characterised in that the snap ring material is
Stainless steel.
4. a kind of radio frequency (RF) coaxial connector of high reliability as claimed in claim 1, it is characterised in that the sealing ring is silicon
Rubber seal.
A kind of 5. radio frequency (RF) coaxial connector of high reliability as claimed in claim 1, it is characterised in that first insulator
Material is polytetrafluoroethylene (PTFE).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710548044.1A CN107369997A (en) | 2017-07-06 | 2017-07-06 | A kind of radio frequency (RF) coaxial connector of high reliability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710548044.1A CN107369997A (en) | 2017-07-06 | 2017-07-06 | A kind of radio frequency (RF) coaxial connector of high reliability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107369997A true CN107369997A (en) | 2017-11-21 |
Family
ID=60306682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710548044.1A Pending CN107369997A (en) | 2017-07-06 | 2017-07-06 | A kind of radio frequency (RF) coaxial connector of high reliability |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107369997A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201234035Y (en) * | 2008-07-23 | 2009-05-06 | 深圳市西多利实业有限公司 | Rotation preventing radio-frequency coaxial connector |
| CN201498785U (en) * | 2009-08-10 | 2010-06-02 | 光红建圣股份有限公司 | Anti-rotation joint for shielded structure |
| CN102593674A (en) * | 2012-03-09 | 2012-07-18 | 南京全信传输科技股份有限公司 | Self-locking type radio frequency coaxial connector |
| CN206976743U (en) * | 2017-07-06 | 2018-02-06 | 镇江华浩通信器材有限公司 | A kind of radio frequency (RF) coaxial connector of high reliability |
-
2017
- 2017-07-06 CN CN201710548044.1A patent/CN107369997A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201234035Y (en) * | 2008-07-23 | 2009-05-06 | 深圳市西多利实业有限公司 | Rotation preventing radio-frequency coaxial connector |
| CN201498785U (en) * | 2009-08-10 | 2010-06-02 | 光红建圣股份有限公司 | Anti-rotation joint for shielded structure |
| CN102593674A (en) * | 2012-03-09 | 2012-07-18 | 南京全信传输科技股份有限公司 | Self-locking type radio frequency coaxial connector |
| CN206976743U (en) * | 2017-07-06 | 2018-02-06 | 镇江华浩通信器材有限公司 | A kind of radio frequency (RF) coaxial connector of high reliability |
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