CN104022389A - Anti-loosening radio frequency coaxial connector - Google Patents
Anti-loosening radio frequency coaxial connector Download PDFInfo
- Publication number
- CN104022389A CN104022389A CN201410208754.6A CN201410208754A CN104022389A CN 104022389 A CN104022389 A CN 104022389A CN 201410208754 A CN201410208754 A CN 201410208754A CN 104022389 A CN104022389 A CN 104022389A
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- housing
- spline
- casing
- radio frequency
- coaxial connector
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- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
The invention relates to an anti-loosening radio frequency coaxial connector. The anti-loosening radio frequency coaxial connector comprises a casing, wherein the casing is internally provided with a pin and is externally provided with a thread sleeve, the casing comprises a first casing and a second casing, one end of the first casing is provided with a loop of first projections circumferentially, one end of the second casing is provided with a loop of first grooves circumferentially, the first projections and the first grooves are mutually matched, the thread sleeve is sleeved at an outer wall of a connection portion of the first casing and the second casing, a chamber formed by the casing and the pin is provided with an insulator, stop rotation holes are oppositely arranged between contact faces of the insulator and the second casing, the stop rotation holes are internally provided with stop rotation nails, and the stop rotation nails comprise stop rotation nail heads. The anti-loosening radio frequency coaxial connector has a simple structure, can effectively prevent the insulator in the radio frequency coaxial connector from rotating relatively, prevents loosening, 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 anti-loosening radio frequency (RF) coaxial connector.
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 multiple fields such as Aeronautics and Astronautics.Due to the development of the industry such as communication, Aeronautics and Astronautics, the frequency of utilization of RF coaxial connector improves, by harsh and unforgiving environments such as soldering furnaces, because the cold and hot pucker & bloat of insulating material is large, and can not recover completely, cause insulator distortion and shell to become flexible, rotate, cause the indexs such as connector switching performance and electrical property not normal, so design a kind of radio frequency (RF) coaxial connector of anti-rotation, aobvious is particularly urgent.The coupling torque specifying according to national military standard connects, and can ensure not damage connector, realizes reliable connection simultaneously.At present a lot of radio frequency (RF) coaxial connectors design without spline, or only in shell aperture, add annular knurl spline, but pass through harsh and unforgiving environments, after insulator distortion, annular knurl can work very little or lose efficacy, and is difficult to meet the requirement of moment, fail safe can not get good guarantee, has reduced useful life.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of anti-loosening radio frequency (RF) coaxial connector, simple in structure, can effectively prevent that the insulator of radio frequency (RF) coaxial connector inside from relatively rotating, prevent loosening, fail safe is well ensured, has increased useful life.
For solving the problems of the technologies described above, technical scheme of the present invention is:
A kind of anti-loosening radio frequency (RF) coaxial connector, comprise housing, in described housing, be provided with contact pin, housing is provided with swivel nut outward, wherein, described housing comprises the first housing and the second housing, described first housing one end is circumferentially with circle first projection, second housing one end is circumferentially with circle first groove, described the first projection and the mutual fit of the second groove, described swivel nut is linked in the outer wall of described the first housing and the second housing junction, in the cavity that described housing and contact pin form, be provided with insulator, described insulator is coated on described contact pin outer wall, the relative spline hole that is provided with between the contact-making surface of described insulator and the second housing, in described spline hole, be provided with spline nail, described spline nail comprises spline nail head, spline nail middle part and spline nail afterbody, described spline nail head is conical structure, its cross sectional shape is equilateral triangle, described spline nail middle part is cylindrical, described spline nail afterbody cross sectional shape is isosceles trapezoid, its base angle a=45 °, described spline nail head, spline nail middle part is integral type structure with spline nail afterbody, described spline nail head is arranged in described insulator, described spline nail afterbody is arranged in described the second housing.
An anti-loosening radio frequency (RF) coaxial connector, wherein, the other end of described the first projection is provided with a circle sealing ring.
Beneficial effect of the present invention is:
This radio frequency (RF) coaxial connector is simple in structure, between insulator and the contact-making surface of the second housing, be provided with spline nail, can effectively prevent that the insulator of radio frequency (RF) coaxial connector inside from relatively rotating, prevent loosening, fail safe is well ensured, has increased useful life;
Three part-structure settings of spline nail, make it that resistance is installed and reduce, and spline effect increases, and being difficult for dropping gets loose, and has also increased to a certain extent its useful life;
The radio frequency (RF) coaxial connector making that adopts this structure, 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.
Brief description of the drawings
Fig. 1 is structure chart of the present invention
Fig. 2 is the structure chart of spline nail of the present invention
Embodiment
A kind of anti-loosening radio frequency (RF) coaxial connector as shown, comprise housing 1, in described housing 1, be provided with contact pin 2, the outer swivel nut 3 that is provided with of housing 1, wherein, described housing 1 comprises the first housing 4 and the second housing 5, described first housing 4 one end are circumferentially with circle first projection 5, the other end of described the first projection 5 is provided with a circle sealing ring 13, second housing 6 one end are circumferentially with circle first groove 7, described the first projection 5 and mutual fit of the second groove 7, described swivel nut 3 is linked in the outer wall of described the first housing 4 and the second housing 6 junctions, in the cavity that described housing 1 and contact pin 2 form, be provided with insulator 8, described insulator 8 is coated on described contact pin 2 outer walls, the relative spline hole 14 that is provided with between described insulator 8 and the contact-making surface of the second housing 6, in described spline hole 14, be provided with spline nail 9, described spline nail 9 comprises spline nail head 10, spline nail middle part 11 and spline nail afterbody 12, described spline nail head 10 is conical structure, its cross sectional shape is equilateral triangle, described spline nail middle part 11 is cylindrical structural, described spline nail afterbody 12 cross sectional shapes are isosceles trapezoid, its base angle a=45 °, described spline nail head 10, spline nail middle part 11 is integral type structure with spline nail afterbody 12, described spline nail head 10 is arranged in described insulator 8, described spline nail afterbody 12 is arranged in described the second housing 6.
This radio frequency (RF) coaxial connector is simple in structure, between insulator and the contact-making surface of the second housing, be provided with spline nail, can effectively prevent that the insulator of radio frequency (RF) coaxial connector inside from relatively rotating, prevent loosening, fail safe is well ensured, has increased useful life;
Three part-structure settings of spline nail, make it that resistance is installed and reduce, and spline effect increases, and being difficult for dropping gets loose, and has also increased to a certain extent its useful life;
The radio frequency (RF) coaxial connector making that adopts this structure, 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 scope of the present invention to limit in the above-described embodiments, and therefore, the present invention is not subject to the restriction of the present embodiment, and the technical scheme that any employing equivalence replacement obtains is all in the scope of protection of the invention.
Claims (2)
1. an anti-loosening radio frequency (RF) coaxial connector, comprise housing, in described housing, be provided with contact pin, housing is provided with swivel nut outward, it is characterized by, described housing comprises the first housing and the second housing, described first housing one end is circumferentially with circle first projection, second housing one end is circumferentially with circle first groove, described the first projection and the mutual fit of the second groove, described swivel nut is linked in the outer wall of described the first housing and the second housing junction, in the cavity that described housing and contact pin form, be provided with insulator, described insulator is coated on described contact pin outer wall, the relative spline hole that is provided with between the contact-making surface of described insulator and the second housing, in described spline hole, be provided with spline nail, described spline nail comprises spline nail head, spline nail middle part and spline nail afterbody, described spline nail head is conical structure, its cross sectional shape is equilateral triangle, described spline nail middle part is cylindrical, described spline nail afterbody cross sectional shape is isosceles trapezoid, its base angle a=45 °, described spline nail head, spline nail middle part is integral type structure with spline nail afterbody, described spline nail head is arranged in described insulator, described spline nail afterbody is arranged in described the second housing.
2. a kind of anti-loosening radio frequency (RF) coaxial connector as claimed in claim 1, is characterized by, and the other end of described the first projection is provided with a circle sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410208754.6A CN104022389A (en) | 2014-05-16 | 2014-05-16 | Anti-loosening radio frequency coaxial connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410208754.6A CN104022389A (en) | 2014-05-16 | 2014-05-16 | Anti-loosening radio frequency coaxial connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104022389A true CN104022389A (en) | 2014-09-03 |
Family
ID=51439025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410208754.6A Pending CN104022389A (en) | 2014-05-16 | 2014-05-16 | Anti-loosening radio frequency coaxial connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104022389A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104600475A (en) * | 2014-12-31 | 2015-05-06 | 镇江市明基电子有限公司 | Novel radio frequency coaxial connector |
| CN108336617A (en) * | 2018-04-04 | 2018-07-27 | 江苏华吉通信科技有限公司 | Radio frequency (RF) coaxial connector quick for installation |
| CN112787177A (en) * | 2019-11-05 | 2021-05-11 | 英冈测试设备有限责任公司 | High-frequency plug-in device and plug-in connection system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5376022A (en) * | 1993-12-06 | 1994-12-27 | Safco Corporation | Electrical connector |
| US5595499A (en) * | 1993-10-06 | 1997-01-21 | The Whitaker Corporation | Coaxial connector having improved locking mechanism |
| 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 |
| CN203135049U (en) * | 2013-01-18 | 2013-08-14 | 东莞市趋势通信科技有限公司 | Anti-twist radio frequency coaxial connector |
| CN203536677U (en) * | 2013-09-30 | 2014-04-09 | 镇江捷泰通信科技有限公司 | Radio frequency coaxial connector |
| CN203574201U (en) * | 2013-09-04 | 2014-04-30 | 陕西金波通信技术有限公司 | Locking-type ratchet-wheel threaded coaxial connector |
| CN204067674U (en) * | 2014-05-16 | 2014-12-31 | 镇江市明基电子有限公司 | A kind of anti-loosening radio frequency (RF) coaxial connector |
-
2014
- 2014-05-16 CN CN201410208754.6A patent/CN104022389A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5595499A (en) * | 1993-10-06 | 1997-01-21 | The Whitaker Corporation | Coaxial connector having improved locking mechanism |
| US5376022A (en) * | 1993-12-06 | 1994-12-27 | Safco Corporation | Electrical connector |
| 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 |
| CN203135049U (en) * | 2013-01-18 | 2013-08-14 | 东莞市趋势通信科技有限公司 | Anti-twist radio frequency coaxial connector |
| CN203574201U (en) * | 2013-09-04 | 2014-04-30 | 陕西金波通信技术有限公司 | Locking-type ratchet-wheel threaded coaxial connector |
| CN203536677U (en) * | 2013-09-30 | 2014-04-09 | 镇江捷泰通信科技有限公司 | Radio frequency coaxial connector |
| CN204067674U (en) * | 2014-05-16 | 2014-12-31 | 镇江市明基电子有限公司 | A kind of anti-loosening radio frequency (RF) coaxial connector |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104600475A (en) * | 2014-12-31 | 2015-05-06 | 镇江市明基电子有限公司 | Novel radio frequency coaxial connector |
| CN108336617A (en) * | 2018-04-04 | 2018-07-27 | 江苏华吉通信科技有限公司 | Radio frequency (RF) coaxial connector quick for installation |
| CN108336617B (en) * | 2018-04-04 | 2023-12-15 | 营口致远科技有限公司 | Radio frequency coaxial connector fast to install |
| CN112787177A (en) * | 2019-11-05 | 2021-05-11 | 英冈测试设备有限责任公司 | High-frequency plug-in device and plug-in connection system |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20140903 |