CN108565651B - Radio frequency coaxial connector with low contact resistance - Google Patents
Radio frequency coaxial connector with low contact resistance Download PDFInfo
- Publication number
- CN108565651B CN108565651B CN201810300969.9A CN201810300969A CN108565651B CN 108565651 B CN108565651 B CN 108565651B CN 201810300969 A CN201810300969 A CN 201810300969A CN 108565651 B CN108565651 B CN 108565651B
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- Prior art keywords
- insulator
- shell
- inner conductor
- fixed
- positioning
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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
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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
- H01R13/02—Contact members
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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
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
- H01R13/504—Bases; Cases composed of different pieces different pieces being moulded, cemented, welded, e.g. ultrasonic, or swaged together
Landscapes
- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
The invention provides a radio frequency coaxial connector with low contact resistance, which comprises a first shell, a second shell, a first inner conductor, a second inner conductor, a first insulator, a second insulator and a third insulator, wherein the first shell is connected with the first insulator; the first shell comprises a first shell body, a second shell body and a flange plate, the front end of the second inner conductor is provided with a transfer groove, the front end of the second inner conductor is fixed on a pressing ring, the pressing ring is fixed on a first boss, the rear end of the second inner conductor is fixed on a third insulator, the third insulator is fixed in the second shell body, and the rear insertion end of the first inner conductor is fixed in the transfer groove of the second inner conductor; the second shell is sleeved at the rear end of the first shell, and a circle of clamping ring is arranged between the second shell and the first shell.
Description
Technical Field
The invention relates to a radio frequency coaxial connector, in particular to a radio frequency coaxial connector with low contact resistance.
Background
A coaxial connector assembly is a component that can be quickly connected to a coaxial cable and that can be removably connected to the coaxial cable without threads. When two coaxial connectors are in butt joint, the outer conductor of one coaxial connector is sleeved on the outer conductor of the other coaxial connector in butt joint, and in order to keep the stability of the connection of the coaxial connector assembly, a clamping piece for elastically clamping the outer conductor of the other coaxial connector is usually arranged at the end part of the outer conductor of the one coaxial connector. However, the axial friction force generated between the two coaxial connectors by the elastic clamping force of the clamping piece is relatively small, and when the coaxial connectors are simultaneously subjected to axial opposite force, the coaxial connector assemblies are relatively easy to separate, so that the connection stability is poor.
Disclosure of Invention
Aiming at the problems, the invention provides the radio frequency coaxial connector with low contact resistance, which reduces the contact resistance, has large contact surface and is safer and more reliable.
The specific technical scheme is as follows:
a radio frequency coaxial connector with low contact resistance comprises a first shell, a second shell, a first inner conductor, a second inner conductor, a first insulator, a second insulator and a third insulator;
the first shell comprises a first shell body, a second shell body and a flange plate, wherein a circle of first clamping grooves are formed in the inner wall of the front end of the first shell body, the rear end of the second shell body is arranged in the first clamping grooves and fixed through welding, a circle of first bosses and a circle of second bosses are formed in the inner wall of the front end of the second shell body, the second bosses are positioned in front of the first bosses, a circle of limit baffle is arranged at the front end of the second bosses, the flange plate is sleeved at the front end of the second shell body and fixed through welding, and the end face of the flange plate is of a square structure;
the first insulator comprises a first insulating block and a second insulating block which are integrally formed, the outer diameter of the first insulating block is larger than that of the second insulating block, the first insulating block is fixed between the second bosses, the second insulating block passes through the limit baffle and the flange plate to be arranged outside, a first channel is arranged in the first insulating block, a second channel is arranged in the second insulating block, the first channel and the second channel are coaxially arranged, and the inner diameter of the first channel is larger than that of the second channel;
the second insulators are fixed between the second bosses, and the second insulators are attached to the rear ends of the first insulators;
the first inner conductor comprises a front plug end and a rear plug end, a circle of third boss is arranged between the front plug end and the rear plug end, a circle of straight line groove is arranged on the third boss, a circle of first press-connection block is arranged behind the straight line groove, and a plug groove is arranged on the central axis of the front plug end;
the front plug-in end of the first inner conductor passes through a second channel of the first insulator to be arranged outside, a third boss is fixed between the first insulator and the second insulator, a straight line groove is arranged on the first insulator in a pressing manner, and a first pressing block is arranged on the second insulator in a pressing manner;
the front end of the second inner conductor is provided with a transfer groove, the front end of the second inner conductor is fixed on a pressing ring, the pressing ring is fixed on the first boss, the rear end of the second inner conductor is fixed on a third insulator, the third insulator is fixed in the second shell, and the rear insertion end of the first inner conductor is fixed in the transfer groove of the second inner conductor;
the second shell is sleeved at the rear end of the first shell, and a circle of clamping ring is arranged between the second shell and the first shell.
The radio frequency coaxial connector with low contact resistance comprises four first positioning grooves which are vertically arranged on the front end face of a second insulator in pairs, a first positioning lug is arranged between two adjacent first positioning grooves, the cross section of each first positioning groove is of an isosceles trapezoid structure with large outside and small inside, the cross section of each first positioning lug is of an isosceles trapezoid structure with small outside and large inside, and a second press-connection block is arranged between each adjacent first positioning groove and each first positioning lug;
the front end face of the second insulator is attached to the rear end face of the second insulator, the first positioning lug is arranged in a corresponding second positioning groove on the first insulator in an inserting mode, and the second positioning lug on the first insulator is arranged in a corresponding first positioning groove in an inserting mode.
The radio frequency coaxial connector with the low contact resistance is characterized in that the depth of the first positioning groove and the height of the first positioning convex block are both 0.8mm, and the height of the second pressing block is 0.12mm.
The beneficial effects of the invention are as follows:
the interface of the first inner conductor is fixed by adopting the square flange, and the first inner conductor is contacted with the conductor by utilizing the plugging groove, so that the contact resistance is reduced, the contact surface is increased, and the method is safer and more reliable.
Drawings
Fig. 1 is a cross-sectional view of the present invention.
Fig. 2 is a cross-sectional view of the first housing.
Fig. 3 is a side view of the present invention.
Fig. 4 is a view showing a first inner conductor structure.
Fig. 5 is a cross-sectional view of a second inner conductor.
Fig. 6 is a front end view of the second insulator.
Reference numerals:
the first shell 1, the second shell 2, the first inner conductor 3, the second inner conductor 4, the first insulator 5, the second insulator 6, the third insulator 7, the first shell 8, the second shell 9, the flange plate 10, the first boss 11, the second boss 12, the limit baffle 13, the first insulating block 14, the second insulating block 15, the front plug end 16, the rear plug end 17, the third boss 18, the straight groove 19, the first press-connection block 20, the plug groove 21, the transfer groove 22, the press ring 23, the snap ring 24, the first positioning groove 25, the first positioning bump 26 and the second press-connection block 27.
Detailed Description
In order to make the technical scheme of the invention clearer and more definite, the invention is further described below, and any scheme obtained by carrying out equivalent substitution and conventional reasoning on the technical characteristics of the technical scheme of the invention falls into the protection scope of the invention.
As shown in the figure, a low contact resistance radio frequency coaxial connector comprises a first housing 1, a second housing 2, a first inner conductor 3, a second inner conductor 4, a first insulator 5, a second insulator 6 and a third insulator 7;
the first shell comprises a first shell body 8, a second shell body 9 and a flange plate 10, wherein a circle of first clamping grooves are formed in the inner wall of the front end of the first shell body, the rear end of the second shell body is arranged in the first clamping grooves and fixed through welding, a circle of first bosses 11 and a circle of second bosses 12 are formed in the inner wall of the front end of the second shell body, the second bosses are positioned in front of the first bosses, a circle of limit baffle plates 13 are arranged at the front end of the second bosses, the flange plate is sleeved at the front end of the second shell body and fixed through welding, and the end face of the flange plate is of a square structure;
the first insulator comprises a first insulating block 14 and a second insulating block 15 which are integrally formed, the outer diameter of the first insulating block is larger than that of the second insulating block, the first insulating block is fixed between the second bosses, the second insulating block passes through the limit baffle and the flange plate to be arranged outside, a first channel is arranged in the first insulating block, a second channel is arranged in the second insulating block, the first channel and the second channel are coaxially arranged, and the inner diameter of the first channel is larger than that of the second channel;
the second insulators are fixed between the second bosses, and the second insulators are attached to the rear ends of the first insulators;
the first inner conductor comprises a front plug end 16 and a rear plug end 17, a circle of third boss 18 is arranged between the front plug end and the rear plug end, a circle of straight line groove 19 is arranged on the third boss, a circle of first press-connection block 20 is arranged behind the straight line groove, and a plug groove 21 is arranged on the central axis of the front plug end;
the front plug-in end of the first inner conductor passes through a second channel of the first insulator to be arranged outside, a third boss is fixed between the first insulator and the second insulator, a straight line groove is arranged on the first insulator in a pressing manner, and a first pressing block is arranged on the second insulator in a pressing manner;
the front end of the second inner conductor is provided with a transfer groove 22, the front end of the second inner conductor is fixed on a pressing ring 23, the pressing ring is fixed on the first boss, the rear end of the second inner conductor is fixed on a third insulator, the third insulator is fixed in the second shell, and the rear insertion end of the first inner conductor is fixed in the transfer groove of the second inner conductor;
the second shell is sleeved at the rear end of the first shell, and a circle of clamping ring 24 is arranged between the second shell and the first shell.
Four first positioning grooves 25 are formed in the front end face of the second insulator in a pairwise vertical mode, a first positioning lug 26 is arranged between two adjacent first positioning grooves, the cross section of each first positioning groove is of an isosceles trapezoid structure with a large outside and a small inside, the cross section of each first positioning lug is of an isosceles trapezoid structure with a small outside and a large inside, a second press-connection block 27 is arranged between each adjacent first positioning groove and each first positioning lug, the depth of each first positioning groove and the height of each first positioning lug are 0.8mm, and the height of each second press-connection block is 0.12mm;
the front end face of the second insulator is attached to the rear end face of the second insulator, the first positioning lug is arranged in a corresponding second positioning groove on the first insulator in an inserting mode, and the second positioning lug on the first insulator is arranged in a corresponding first positioning groove in an inserting mode.
Claims (1)
1. The radio frequency coaxial connector with low contact resistance is characterized by comprising a first shell, a second shell, a first inner conductor, a second inner conductor, a first insulator, a second insulator and a third insulator;
the first shell comprises a first shell body, a second shell body and a flange plate, wherein a circle of first clamping grooves are formed in the inner wall of the front end of the first shell body, the rear end of the second shell body is arranged in the first clamping grooves and fixed through welding, a circle of first bosses and a circle of second bosses are formed in the inner wall of the front end of the second shell body, the second bosses are positioned in front of the first bosses, a circle of limit baffle is arranged at the front end of the second bosses, the flange plate is sleeved at the front end of the second shell body and fixed through welding, and the end face of the flange plate is of a square structure;
the first insulator comprises a first insulating block and a second insulating block which are integrally formed, the outer diameter of the first insulating block is larger than that of the second insulating block, the first insulating block is fixed between the second bosses, the second insulating block passes through the limit baffle and the flange plate to be arranged outside, a first channel is arranged in the first insulating block, a second channel is arranged in the second insulating block, the first channel and the second channel are coaxially arranged, and the inner diameter of the first channel is larger than that of the second channel;
the second insulators are fixed between the second bosses, and the second insulators are attached to the rear ends of the first insulators;
the first inner conductor comprises a front plug end and a rear plug end, a circle of third boss is arranged between the front plug end and the rear plug end, a circle of straight line groove is arranged on the third boss, a circle of first press-connection block is arranged behind the straight line groove, and a plug groove is arranged on the central axis of the front plug end;
the front plug-in end of the first inner conductor passes through a second channel of the first insulator to be arranged outside, a third boss is fixed between the first insulator and the second insulator, a straight line groove is arranged on the first insulator in a pressing manner, and a first pressing block is arranged on the second insulator in a pressing manner;
the front end of the second inner conductor is provided with a transfer groove, the front end of the second inner conductor is fixed on a pressing ring, the pressing ring is fixed on the first boss, the rear end of the second inner conductor is fixed on a third insulator, the third insulator is fixed in the second shell, and the rear insertion end of the first inner conductor is fixed in the transfer groove of the second inner conductor;
the second shell is sleeved at the rear end of the first shell, and a circle of clamping ring is arranged between the second shell and the first shell;
four first positioning grooves are formed in the front end face of the second insulator, two adjacent first positioning grooves are perpendicular to each other, a first positioning lug is arranged between the two adjacent first positioning grooves, the cross section of each first positioning groove is of an isosceles trapezoid structure with a large outside and a small inside, the cross section of each first positioning lug is of an isosceles trapezoid structure with a small outside and a large inside, and a second press-connection block is arranged between each adjacent first positioning groove and each first positioning lug;
the front end face of the second insulator is attached to the rear end face of the first insulator, the first positioning lug is arranged in a corresponding second positioning groove on the first insulator in an inserting mode, and the second positioning lug on the first insulator is arranged in a corresponding first positioning groove in an inserting mode;
the depth of the first positioning groove and the height of the first positioning protruding block are both 0.8mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810300969.9A CN108565651B (en) | 2018-04-04 | 2018-04-04 | Radio frequency coaxial connector with low contact resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810300969.9A CN108565651B (en) | 2018-04-04 | 2018-04-04 | Radio frequency coaxial connector with low contact resistance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108565651A CN108565651A (en) | 2018-09-21 |
| CN108565651B true CN108565651B (en) | 2023-09-29 |
Family
ID=63534161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810300969.9A Active CN108565651B (en) | 2018-04-04 | 2018-04-04 | Radio frequency coaxial connector with low contact resistance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108565651B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1231407A (en) * | 1984-02-17 | 1988-01-12 | David W. Dechamp | Coaxial connector |
| CN2301798Y (en) * | 1997-07-22 | 1998-12-23 | 北京三维电器公司 | Wire spring radio-frequency coaxial connector |
| US6848948B1 (en) * | 2003-11-03 | 2005-02-01 | Adc Telecommunications, Inc. | Jack with modular mounting sleeve |
| CN201174477Y (en) * | 2008-03-17 | 2008-12-31 | 镇江华坚电子有限公司 | Wide band RF coaxial connector for 3G mobile communication preventing rotation of inner conductor |
| CN102554481A (en) * | 2010-12-29 | 2012-07-11 | 中国电子科技集团公司第十八研究所 | Method for welding thermal battery casing |
| CN103199397A (en) * | 2013-03-27 | 2013-07-10 | 江苏宏信电子科技有限公司 | 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 |
| CN203660130U (en) * | 2013-12-25 | 2014-06-18 | 湖北日海通讯技术有限公司 | A radio frequency coaxial connector |
| CN104269706A (en) * | 2014-09-25 | 2015-01-07 | 镇江华京通讯科技有限公司 | High-performance radio frequency coaxial connector |
| CN204905485U (en) * | 2015-07-28 | 2015-12-23 | 常州易泽科通信科技有限公司 | Split type inner conductor radio frequency coaxial connector |
| CN208257060U (en) * | 2018-04-04 | 2018-12-18 | 江苏华吉通信科技有限公司 | A kind of radio frequency (RF) coaxial connector of low contact resistance |
-
2018
- 2018-04-04 CN CN201810300969.9A patent/CN108565651B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1231407A (en) * | 1984-02-17 | 1988-01-12 | David W. Dechamp | Coaxial connector |
| CN2301798Y (en) * | 1997-07-22 | 1998-12-23 | 北京三维电器公司 | Wire spring radio-frequency coaxial connector |
| US6848948B1 (en) * | 2003-11-03 | 2005-02-01 | Adc Telecommunications, Inc. | Jack with modular mounting sleeve |
| CN201174477Y (en) * | 2008-03-17 | 2008-12-31 | 镇江华坚电子有限公司 | Wide band RF coaxial connector for 3G mobile communication preventing rotation of inner conductor |
| CN102554481A (en) * | 2010-12-29 | 2012-07-11 | 中国电子科技集团公司第十八研究所 | Method for welding thermal battery casing |
| CN103199397A (en) * | 2013-03-27 | 2013-07-10 | 江苏宏信电子科技有限公司 | 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 |
| CN203660130U (en) * | 2013-12-25 | 2014-06-18 | 湖北日海通讯技术有限公司 | A radio frequency coaxial connector |
| CN104269706A (en) * | 2014-09-25 | 2015-01-07 | 镇江华京通讯科技有限公司 | High-performance radio frequency coaxial connector |
| CN204905485U (en) * | 2015-07-28 | 2015-12-23 | 常州易泽科通信科技有限公司 | Split type inner conductor radio frequency coaxial connector |
| CN208257060U (en) * | 2018-04-04 | 2018-12-18 | 江苏华吉通信科技有限公司 | A kind of radio frequency (RF) coaxial connector of low contact resistance |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108565651A (en) | 2018-09-21 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20230901 Address after: 276000 north side of Xinhua Road, high tech Zone, Linyi City, Shandong Province Applicant after: LINYI HAINA ELECTRONICS Co.,Ltd. Address before: 212000 Industrial Park, Dalu Town, New District, Zhenjiang City, Jiangsu Province Applicant before: JIANGSU HUAJI COMMUNICATION TECHNOLOGY Co.,Ltd. |
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