CN104022380A - Radio frequency coaxial connector internal conductor - Google Patents
Radio frequency coaxial connector internal conductor Download PDFInfo
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- CN104022380A CN104022380A CN201410206978.3A CN201410206978A CN104022380A CN 104022380 A CN104022380 A CN 104022380A CN 201410206978 A CN201410206978 A CN 201410206978A CN 104022380 A CN104022380 A CN 104022380A
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- projection
- inner wire
- groove
- radio frequency
- coaxial connector
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Abstract
The invention relates to a radio frequency coaxial connector internal conductor. The radio frequency coaxial connector internal conductor comprises an inner conductor head portion, an inner conductor central portion and an inner conductor tail portion, the inner conductor head portion comprises a first component and a second component, wherein the first component is a conical structure, the shape of the cross section of the first component is an isosceles trapezoid, the second component is a cylindrical structure, the inner conductor head portion and the inner conductor central portion are connected through a first connection member, the first connection member is a cylindrical structure, the inner conductor central portion is a cylindrical structure and is provided with a loop of positioning projections, the positioning projections comprise a first projection and a second projection, the first projection is a cylindrical structure, the second projection is a conical structure, the shape of the cross section of the second projection is an isosceles trapezoid, the first projection and the second projection are an integrated structure, and the positioning projections are provided with knurls circumferentially. The radio frequency coaxial connector internal conductor has a simple structure, can effectively prevent relative rotation between the inner conductor and an insulator, excellently guarantees safety and prolongs service life.
Description
Technical field
The present invention relates to coaxial interconnection technique, relate in particular to a kind of radio frequency (RF) coaxial connector inner wire.
Background technology
Wide in variety, the purposes of radio frequency (RF) coaxial connector is wide, consumption is very large, has been widely used in comprising at present a plurality of fields such as Aeronautics and Astronautics.The reliability that radio frequency (RF) coaxial connector connects is most important, according to the coupling torque of national military standard regulation, connects, and can guarantee not damage connector, realizes reliable connection simultaneously.Existing radio frequency (RF) coaxial connector comprises housing and inner wire, and inner wire is coated with insulator, but there is no good anti-skid structure between existing inner wire and insulator, can not effectively prevent from relatively rotating between inner wire and insulator.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of radio frequency (RF) coaxial connector inner wire, simple in structure, can effectively prevent from relatively rotating between inner wire and insulator, and fail safe is well guaranteed, has increased useful life.
For solving the problems of the technologies described above, technical scheme of the present invention is:
A kind of radio frequency (RF) coaxial connector inner wire, comprise inner wire head, inner wire middle part and inner wire afterbody, described inner wire head comprises the first member and second component, described the first member is pyramidal structure, its cross sectional shape is isosceles trapezoid, the upper base length L 1=3mm of described the first member section, the length of going to the bottom is L2=5mm, described second component is cylindrical structural, its diameter d 1=5mm, described inner wire head and inner wire are connected by the first connector between middle part, described the first connector is cylindrical structural, its diameter d 2=7mm, described inner wire middle part is cylindrical structural, its height H 1=9.2mm, described inner wire middle part is provided with a circle positioning convex, described positioning convex comprises the first projection and the second projection, described the first projection is cylindrical structural, its diameter d 3=6mm, height H 2=1mm, described the second projection is pyramidal structure, its cross sectional shape is isosceles trapezoid, be the upper base length L 3=5.5mm of isosceles trapezoid, height H 3=1mm, described the first projection is integral type structure with the second projection, on described positioning convex, be circumferentially evenly provided with annular knurl, the cross sectional shape of described annular knurl is equilateral triangle, the length of side of the equilateral triangle that described annular knurl is is 1mm, relatively on described positioning convex be provided with two shallow slots, described shallow slot comprises the first groove and the second groove, described the first groove be shaped as rectangle, the long L4=2.5mm of the first groove, wide H4=1mm, described the second groove be shaped as isosceles triangle, the formed leg-of-mutton base L5=2.5mm of the second groove, high H5=1mm, described the first groove and the second groove are integral type structure.
Above-mentioned a kind of radio frequency (RF) coaxial connector inner wire, wherein, the degree of depth of described shallow slot is 0.2mm.
Beneficial effect of the present invention is:
This radio frequency (RF) coaxial connector inner conductor structure is simple, inner wire is provided with annular knurl, the relative shallow slot that is provided with in annular knurl, easy to process, corresponding with the annular knurl on insulator endoporus, can effectively prevent from relatively rotating between inner wire and insulator, fail safe is well guaranteed, has increased useful life;
Positioning convex comprises the first projection and the second projection, and the second projection is pyramidal structure, and assembling is simple, and convenient disassembly, has improved operating efficiency greatly, has reduced cost;
The radio frequency (RF) coaxial connector making of this inner wire, its electric property is as follows:
1. impedance: 50 Ω
2. withstand voltage: to be not less than 2700V
3. standing-wave ratio: 0-3GHz VSWR < 1.06; 0-4GHz VSWR < 1.09
4. contact resistance: center conductor≤5m Ω; Outer conductor≤2.5m Ω
5. insulation >=10000M Ω
6. by 48 hours salt mist tests.
Accompanying drawing explanation
Fig. 1 is structure chart of the present invention
Fig. 2 is inner wire of the present invention middle part enlarged drawing
Fig. 3 is A-A cutaway view of the present invention
Embodiment
A kind of radio frequency (RF) coaxial connector inner wire as shown, comprise inner wire head 1, inner wire middle part 2 and inner wire afterbody 3, described inner wire head 1 comprises the first member 4 and second component 5, described the first member 4 is pyramidal structure, its cross sectional shape is isosceles trapezoid, the upper base length L 1=3mm in described the first member 4 cross sections, the length of going to the bottom is L2=5mm, described second component 5 is cylindrical structural, its diameter d 1=5mm, between described inner wire head 1 and inner wire middle part 2, by the first connector 6, be connected, described the first connector 6 is cylindrical structural, its diameter d 2=7mm, described inner wire middle part 2 is cylindrical structural, its height H 1=9.2mm, described inner wire middle part 2 is provided with a circle positioning convex 7, described positioning convex 7 comprises first projection the 8 and second projection 9, described the first projection 8 is cylindrical structural, its diameter d 3=6mm, height H 2=1mm, described the second projection 9 is pyramidal structure, its cross sectional shape is isosceles trapezoid, be the upper base length L 3=5.5mm of isosceles trapezoid, height H 3=1mm, described first projection the 8 and second projection 9 is integral type structure, on described positioning convex 7, be circumferentially evenly provided with annular knurl 10, the cross sectional shape of described annular knurl 10 is equilateral triangle, the length of side of the equilateral triangle that described annular knurl is is 1mm, relatively on described positioning convex 7 be provided with two shallow slots 11, the degree of depth of described shallow slot 11 is 0.2mm, described shallow slot 11 comprises the first groove 12 and the second groove 13, described the first groove 12 be shaped as rectangle, the long L4=2.5mm of the first groove 12, wide H4=1mm, described the second groove 13 be shaped as isosceles triangle, the formed leg-of-mutton base L5=2.5mm of the second groove 13, high H5=1mm, described the first groove 12 is positioned in described the first projection 8, described the second groove 13 is positioned in described the second projection 9, described the first groove 12 and the second groove 13 are integral type structure.
This radio frequency (RF) coaxial connector inner conductor structure is simple, inner wire is provided with annular knurl, the relative shallow slot that is provided with in annular knurl, easy to process, corresponding with the annular knurl on insulator endoporus, can effectively prevent from relatively rotating between inner wire and insulator, fail safe is well guaranteed, has increased useful life;
Positioning convex comprises the first projection and the second projection, and the second projection is pyramidal structure, and assembling is simple, and convenient disassembly, has improved operating efficiency greatly, has reduced cost;
The radio frequency (RF) coaxial connector making of this inner wire, its electric property is as follows:
1. impedance: 50 Ω
2. withstand voltage: to be not less than 2700V
3. standing-wave ratio: 0-3GHz VSWR < 1.06; 0-4GHz VSWR < 1.09
4. contact resistance: center conductor≤5m Ω; Outer conductor≤2.5m Ω
5. insulation >=10000M Ω
6. by 48 hours salt mist tests.
Here description of the invention and application is illustrative, not wants that therefore, the present invention is not subject to the restriction of the present embodiment by scope restriction of the present invention in the above-described embodiments, and the technical scheme that any employing equivalence replacement obtains is all in the scope of protection of the invention.
Claims (2)
1. a radio frequency (RF) coaxial connector inner wire, it is characterized by, comprise inner wire head, inner wire middle part and inner wire afterbody, described inner wire head comprises the first member and second component, described the first member is pyramidal structure, its cross sectional shape is isosceles trapezoid, the upper base length L 1=3mm of described the first member section, the length of going to the bottom is L2=5mm, described second component is cylindrical structural, its diameter d 1=5mm, described inner wire head and inner wire are connected by the first connector between middle part, described the first connector is cylindrical structural, its diameter d 2=7mm, described inner wire middle part is cylindrical structural, its height H 1=9.2mm, described inner wire middle part is provided with a circle positioning convex, described positioning convex comprises the first projection and the second projection, described the first projection is cylindrical structural, its diameter d 3=6mm, height H 2=1mm, described the second projection is pyramidal structure, its cross sectional shape is isosceles trapezoid, be the upper base length L 3=5.5mm of isosceles trapezoid, height H 3=1mm, described the first projection is integral type structure with the second projection, on described positioning convex, be circumferentially evenly provided with annular knurl, the cross sectional shape of described annular knurl is equilateral triangle, the length of side of the equilateral triangle that described annular knurl is is 1mm, relatively on described positioning convex be provided with two shallow slots, described shallow slot comprises the first groove and the second groove, described the first groove be shaped as rectangle, the long L4=2.5mm of the first groove, wide H4=1mm, described the second groove be shaped as isosceles triangle, the formed leg-of-mutton base L5=2.5mm of the second groove, high H5=1mm, described the first groove and the second groove are integral type structure.
2. a kind of radio frequency (RF) coaxial connector inner wire as claimed in claim 1, is characterized by, and the degree of depth of described shallow slot is 0.2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410206978.3A CN104022380A (en) | 2014-05-15 | 2014-05-15 | Radio frequency coaxial connector internal conductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410206978.3A CN104022380A (en) | 2014-05-15 | 2014-05-15 | Radio frequency coaxial connector internal conductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104022380A true CN104022380A (en) | 2014-09-03 |
Family
ID=51439017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410206978.3A Pending CN104022380A (en) | 2014-05-15 | 2014-05-15 | Radio frequency coaxial connector internal conductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104022380A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106329184A (en) * | 2016-11-09 | 2017-01-11 | 西安金波科技有限责任公司 | High-power quick-plug type radio-frequency coaxial connector |
| CN112054328A (en) * | 2020-08-31 | 2020-12-08 | 顺科新能源技术股份有限公司 | Double-wiring column structure |
| CN112054340A (en) * | 2020-08-31 | 2020-12-08 | 顺科新能源技术股份有限公司 | Double-core connector |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201234032Y (en) * | 2008-07-25 | 2009-05-06 | 安费诺科耐特(西安)科技有限公司 | Radio frequency connector capable of preventing inner conductor from axial direction movement and radial direction rotation |
| CN202749489U (en) * | 2012-08-13 | 2013-02-20 | 上海雷迪埃电子有限公司 | Radio-frequency coaxial load structure |
| CN203166260U (en) * | 2013-04-17 | 2013-08-28 | 镇江中信电子有限公司 | Radio frequency coaxial connector |
| CN203871512U (en) * | 2014-05-15 | 2014-10-08 | 镇江市明基电子有限公司 | Radio frequency coaxial connector internal conductor |
-
2014
- 2014-05-15 CN CN201410206978.3A patent/CN104022380A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201234032Y (en) * | 2008-07-25 | 2009-05-06 | 安费诺科耐特(西安)科技有限公司 | Radio frequency connector capable of preventing inner conductor from axial direction movement and radial direction rotation |
| CN202749489U (en) * | 2012-08-13 | 2013-02-20 | 上海雷迪埃电子有限公司 | Radio-frequency coaxial load structure |
| CN203166260U (en) * | 2013-04-17 | 2013-08-28 | 镇江中信电子有限公司 | Radio frequency coaxial connector |
| CN203871512U (en) * | 2014-05-15 | 2014-10-08 | 镇江市明基电子有限公司 | Radio frequency coaxial connector internal conductor |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106329184A (en) * | 2016-11-09 | 2017-01-11 | 西安金波科技有限责任公司 | High-power quick-plug type radio-frequency coaxial connector |
| CN112054328A (en) * | 2020-08-31 | 2020-12-08 | 顺科新能源技术股份有限公司 | Double-wiring column structure |
| CN112054340A (en) * | 2020-08-31 | 2020-12-08 | 顺科新能源技术股份有限公司 | Double-core connector |
| CN112054340B (en) * | 2020-08-31 | 2022-05-31 | 顺科新能源技术股份有限公司 | Double-core connector |
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Application publication date: 20140903 |
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| RJ01 | Rejection of invention patent application after publication |