CN109546494B - Multi-coaxial miniature radio frequency connector capable of being quickly plugged - Google Patents
Multi-coaxial miniature radio frequency connector capable of being quickly plugged Download PDFInfo
- Publication number
- CN109546494B CN109546494B CN201811648250.0A CN201811648250A CN109546494B CN 109546494 B CN109546494 B CN 109546494B CN 201811648250 A CN201811648250 A CN 201811648250A CN 109546494 B CN109546494 B CN 109546494B
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- shell
- radio frequency
- contact
- coaxial
- connector
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- 239000012212 insulator Substances 0.000 claims description 10
- 229920001971 elastomer Polymers 0.000 claims description 5
- 239000000806 elastomer Substances 0.000 claims description 3
- -1 polytetrafluoroethylene Polymers 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 238000003491 array Methods 0.000 claims 1
- 230000013011 mating Effects 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 13
- 238000009434 installation Methods 0.000 abstract description 8
- 230000008901 benefit Effects 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000010295 mobile communication Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
Classifications
-
- 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
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
-
- 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
- H01R13/518—Means for holding or embracing insulating body, e.g. casing, hoods for holding or embracing several coupling parts, e.g. frames
-
- 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
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/521—Sealing between contact members and housing, e.g. sealing insert
Landscapes
- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
The application discloses a quick-plugging type multi-coaxial miniature radio frequency connector, which comprises a plurality of coaxial miniature radio frequency sockets and a plurality of coaxial miniature radio frequency plugs matched and spliced with the coaxial miniature radio frequency sockets, wherein the coaxial miniature radio frequency sockets are arranged on a base in a concentrated manner, the coaxial miniature radio frequency plugs are arranged on a nesting body in a concentrated manner, and a first shell of the nesting body is matched and nested with a second shell of the base. The whole connector has compact structure, precise design, convenient installation and use, wide application range and great economic benefit.
Description
Technical Field
The application relates to the technical field of communication, in particular to a multi-coaxial miniature radio frequency connector capable of being quickly plugged and unplugged.
Background
In order to improve the frequency spectrum space multiplexing rate and realize data transmission with higher speed, larger capacity and smaller time delay, the mobile communication base stations are distributed more and more densely, and the coverage radius of the base stations is reduced to 100-200 meters, even reduced to 10-20 meters. In order to meet the technical conditions of the miniature and miniature base stations, the connection for constructing the miniature base stations is required to have the characteristics of compact structure, small size, stable performance, good weather resistance, high use frequency and the like so as to meet the requirements of establishing the mobile communication base stations under various conditions. The radio frequency performance of the standard connector commonly applied to the antenna and the remote radio end at present can meet the requirement, but cannot meet the size requirement of the dense installation of the small base station which is currently and rapidly popularized, so that the push-out of the miniature coaxial connector product has great significance for the construction of the current, particularly fifth-generation mobile communication base station.
At present, foreign famous connector manufacturers are developing microminiature high-precision connectors, and the main characteristics are as follows: miniaturization and micromation: the miniaturization of the whole machine system not only can realize the characteristics of multifunction, portability and the like of the whole machine, but also can greatly reduce the material cost, the transportation cost and the self energy consumption. The miniaturization and microminiaturization of components are the precondition of the miniaturization of the whole system, and only the miniaturized components can realize high-density installation, thereby saving more space.
High frequency: in order to obtain wider channel space and realize higher data transmission rate, the working frequency of the whole system is continuously improved. The frequency of partial coaxial transmission microwave signals of a new generation optical transmitter and receiver developed by the university of Wuhan post and electric sciences is above 12GHz, the working frequency of a military communication system is already straddled into a millimeter wave band, and the research of a domestic weapon system is also changed from an 8mm wave band to a 3mm wave band. Currently, the country is beginning to develop millimeter wave radio frequency coaxial connectors with frequency upper limits up to 50-110 GHz.
Integration: when a large number of connectors are needed, the integrated connectors should be shipped, i.e. a plurality of micro connectors are integrated together, so as to achieve the purpose of reducing the installation space.
And (3) convenience: namely, the installation is quick and the use is simple. The use of microconnectors is mostly space-limited, and too complex a mounting design can greatly affect the working efficiency and bring about an increase in costs. Therefore, a convenient design for the connector is necessary.
Disclosure of Invention
Aiming at the defects of the prior art, the application provides the quick-plugging type multi-coaxial miniature radio frequency connector which is quick to install and easy to use and can adapt to small-space installation operation.
In order to achieve the purpose of the application, the following technical scheme is provided: the utility model provides a but quick plug-in type multi-coaxial miniature radio frequency connector, includes a plurality of coaxial miniature radio frequency sockets and a plurality of coaxial miniature radio frequency plugs of cooperation grafting with it, and its characterized in that a plurality of coaxial miniature radio frequency sockets concentrate on a base, and a plurality of coaxial miniature radio frequency plugs concentrate on a nested body, and the first cover shell of nested body is nested with the cooperation of the second cover shell on the base.
Preferably, the second casing is integrally formed with the base, a cylindrical positioning pin is arranged in the center of the second casing, and a plurality of coaxial miniature radio frequency sockets in the second casing are arrayed in a ring shape with the positioning pin as the center.
Preferably, the first casing is integrally formed with the nested body in a cylindrical shape, limiting holes corresponding to the cylindrical positioning pins are formed in the center of the first casing and the bottom surface of the nested body, and the plurality of coaxial miniature radio frequency plugs in the first casing are annularly arrayed with the limiting holes as the center.
Preferably, the first casing is provided with a clamping ring on the inserting end face of the second casing, and the outer wall of the second casing is inserted into the clamping ring to realize quick matching.
Preferably, the clip is a slotted elastic member.
Preferably, the bottom surfaces of the base and the nested body are provided with plug holes for inserting the coaxial miniature radio frequency socket and the coaxial miniature radio frequency plug, and the coaxial miniature radio frequency socket and the plug are in clearance fit with the plug holes.
Preferably, the socket mainly comprises a first shell, a first central contact is arranged in the first shell, an extending part is arranged at the right end of the first central contact and is a first contact end, the outer wall of the first central contact wraps an insulator, a first outer contact is arranged between the first contact end and the first shell, the first outer contact is connected with the inner wall of the first shell, and a limit groove is formed between the first outer contact and the inner wall of the first shell; the plug mainly comprises a second shell, wherein the left end of the second shell is a second outer contact, a second central contact is arranged in the second shell, the outer wall of the second central contact also wraps an insulator, an extending part is arranged at the left end of the second central contact and is a second contact end, the second contact end is inserted into a first contact end in a socket and is matched with the first contact end, and the second outer contact at the left end of the second shell is inserted into a limit groove at the right end of the first shell.
Preferably, the end of the first outer contact is provided with an arc-shaped projection for clamping the second outer contact.
Preferably, the first contact end, the second contact end and the first outer contact piece are all grooved elastomers, and the number of grooves is at least 1.
Preferably, the second outer contact end and the second contact end are rounded.
Preferably, the insulator is made of microporous polytetrafluoroethylene.
Preferably, the outer wall of the second contact end is provided with a waterproof gasket.
The application has the beneficial effects that:
compared with the existing connector, the connector disclosed by the application has the following advantages:
miniaturization and integration: the present application integrates a plurality of miniature coaxial radio frequency connectors. In order to match with the miniaturization characteristic of the miniature connector, the shell design is compact, no redundant design exists, the overall size of the connector is smaller, and the dense installation requirement of a limited space is met.
The reliability is good: the connector provided by the application has small size and good reliability. The nested body structure of the casing completely fits the size design of the miniature coaxial radio frequency connector, so that the connector is stably positioned. The design of the limit groove, the locating pin and the limit hole is added, so that the connector can still maintain good connection performance when being subjected to external mechanical force. The rubber gasket is arranged at a proper position, so that the joint stability and the sealing performance of the connector are improved.
And (3) convenience: the connector can be plugged and pulled out quickly, the installation and use efficiency is greatly improved, the connector is more convenient to use in a narrow and tight space, and the application range is extremely wide.
Economic benefit: the whole connector has compact structure and precise design, and if the design of the shell and the inner nested body is completely matched with the design of the inner nested miniature connector, the whole connector has no redundant design, thereby improving the stability of the whole connector system and saving a large amount of materials. Meanwhile, the shell and the inner nested body are integrated, and especially the nested body in the plug serves as a plug shell, so that the connector is more convenient to process, the assembly precision of the whole connector system is improved, and the production efficiency is improved. In the socket, the design of the outer surface boss of the outer contact and the addition of the limit grooves between the outer contact and the shell and between the clamping ring and the second sleeve shell enable the whole connector system to have good connection performance when the whole connector system is subjected to mechanical force. The addition of the reliability design not only increases the applicable environment range of the connector, but also improves the service life of the connector, and has great economic benefit.
Drawings
FIG. 1 is a schematic diagram of a plug-in miniature RF connector according to the present application;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a schematic diagram of a plug of the pluggable miniature RF connector of the present application;
FIG. 4 is a cross-sectional view B-B of FIG. 3;
FIG. 5 is a schematic diagram of the plug and socket assembly of the pull-out micro RF connector of the present application;
in the figure, 1 is a base, 2 is a second casing, 3 is a limit groove, 4 is a socket, 5 is a locating pin, 6 is a first shell, 16 is a second outer contact, 18 is a second center contact, 9 is an insulator, 10 is a first casing, 11 is a snap ring, 12 is a plug, 13 is a waterproof gasket, 14 is a nesting body, 15 is a limit hole, 7 is a first outer contact, and 8 is a first center contact.
Detailed Description
The technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application and do not represent all embodiments.
Example 1: as shown in one of fig. 1 to 3, a multi-coaxial micro rf connector capable of being plugged and unplugged rapidly is a micro rf connector, and is suitable for rf coaxial cables below 1/4', and includes a plurality of coaxial micro rf sockets 4 and a plurality of coaxial micro rf plugs 12 plugged and plugged in cooperation with the coaxial micro rf sockets 4, the plurality of coaxial micro rf sockets 4 are centrally disposed on a base 1, the plurality of coaxial micro rf plugs 12 are centrally disposed on a nesting body 14, and a first shell 10 of the nesting body 14 is nested in cooperation with a second shell 2 on the base 1. The second casing 2 is formed by integrally forming a cylinder and the base 1, a cylindrical positioning pin 5 is arranged in the center of the second casing 2, and a plurality of coaxial miniature radio frequency sockets 4 in the second casing 2 are annularly arrayed with the positioning pin 5 as a center. The first casing 10 is formed by integrally forming a cylinder shape and a nesting body 14, a limiting hole 15 corresponding to the cylindrical positioning pin 5 is formed in the center of the first casing 10 and on the bottom surface of the nesting body 14, and a plurality of coaxial miniature radio frequency plugs 12 in the first casing 10 are annularly arrayed with the limiting hole 15 as the center. The first casing 10 is provided with the clamping ring 11 on the inserting end face of the second casing 2, and the outer wall of the second casing 2 is inserted into the clamping ring 11, so that quick matching is realized. The clamping ring has relatively large size, and the grooving number is relatively large on the premise of meeting the requirements of the plugging force and the plugging times.
The bottoms of the base 1 and the nested body 14 are provided with plug holes for inserting the coaxial miniature radio frequency socket 4 and the coaxial miniature radio frequency plug 12, and the coaxial miniature radio frequency socket 4 and the plug 12 are in clearance fit with the plug holes. The socket 4 mainly comprises a first shell 6, a first central contact 8 is arranged in the first shell 6, a first contact end 8.1 is arranged at the right end of the first central contact 8, an insulator 9 is wrapped on the outer wall of the first central contact 8, a first outer contact 7 is arranged between the first contact end 8.1 and the first shell 6, the first outer contact 7 is connected with the inner wall of the first shell 6, and a limit groove 3 is formed between the first outer contact 7 and the inner wall of the first shell 6; the plug 12 mainly comprises a second shell, the left end of the second shell is provided with a second outer contact 16, a second central contact 18 is arranged in the second shell, the outer wall of the second central contact 18 also wraps the insulator 9, the left end of the second central contact 18 is provided with a second contact end 18.1, the second contact end 18.1 is inserted into a first contact end 8.1 in the socket 4 and is matched with the first contact end 8.1, and the second outer contact 16 at the left end of the second shell is inserted into a limiting groove 3 at the right end of the first shell. The end of the first outer contact 7 is provided with an arc-shaped projection for clamping the second outer contact 16. The first contact end 8.1, the second contact end 18.1 and the first outer contact piece 7 are all grooved elastomers, the number of grooves and the groove depth are determined according to specific conditions, for example, 4 grooves, 6 grooves and 8 grooves can be adopted, and the groove depth determines the insertion and extraction force and the insertion and extraction times, so that the degree of the groove depth is moderate; the second outer contact 16 end and the second contact end 18.1 end are rounded. The insulator 9 is made of microporous polytetrafluoroethylene. The outer wall of the second contact end 18.1 is provided with a waterproof gasket 13. To prevent contaminants from entering the electrical contact area, the gasket is a rubber gasket.
The foregoing is only a preferred embodiment of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art who is skilled in the art should apply to the technical solution of the present application and the application concept thereof within the scope of the present application.
Claims (9)
1. The quick pluggable multi-coaxial miniature radio frequency connector comprises a plurality of coaxial miniature radio frequency sockets and a plurality of coaxial miniature radio frequency plugs matched and spliced with the coaxial miniature radio frequency sockets, and is characterized in that the coaxial miniature radio frequency sockets are intensively arranged on a base, the coaxial miniature radio frequency plugs are intensively arranged on a nesting body, a first shell of the nesting body is matched and nested with a second shell on the base, the second shell is integrally formed with the base, a cylindrical positioning pin is arranged in the center of the second shell, the positioning pins are used as a central annular array in the plurality of coaxial miniature radio frequency sockets in the first shell, the first shell is integrally formed with the nesting body, limiting holes corresponding to the cylindrical positioning pins are formed in the center of the first shell, the limiting holes are used as central annular arrays in the plurality of coaxial miniature radio frequency plugs in the first shell, a first central contact piece is arranged in the first shell, an extending part is arranged at the right end of the first central contact piece, the outer wall of the first central contact piece is an insulator, the first contact piece wraps the first contact piece, the first contact piece is arranged between the first contact piece and the first shell, and the first contact piece is connected with the first inner wall of the first shell, and the first contact groove is formed between the first contact piece and the first shell; the plug comprises a second shell, the left end of the second shell is a second outer contact, a second central contact is arranged in the second shell, the outer wall of the second central contact also wraps an insulator, an extending part is arranged at the left end of the second central contact and is a second contact end, the second contact end is inserted into a first contact end in a socket and is matched with the first contact end, and the second outer contact at the left end of the second shell is inserted into a limit groove at the right end of the first shell.
2. The quick connect-disconnect type multi-coaxial miniature radio frequency connector of claim 1, wherein the first housing has a snap ring on a mating end surface with the second housing, and the outer wall of the second housing is mated with the snap ring to achieve quick fit.
3. The quick connect and disconnect multi-coaxial miniature rf connector of claim 1, wherein the snap ring is a slotted elastic member.
4. The rapid pluggable multi-coaxial micro radio frequency connector according to claim 1, wherein the base and the bottom surface of the nest body are provided with plug holes for inserting the coaxial micro radio frequency sockets and the coaxial micro radio frequency plugs, and the coaxial micro radio frequency sockets and the plugs are in clearance fit with the plug holes.
5. The quick connect and disconnect multi-coaxial miniature rf connector of claim 1, wherein the end of the first outer contact is provided with an arcuate projection for clamping the second outer contact.
6. The connector of claim 1, wherein the first contact end, the second contact end and the first outer contact are all grooved elastomers, and the number of grooves is at least 1.
7. The quick connect and disconnect multi-coaxial miniature rf connector of claim 1, wherein the second outer contact end and the second contact end are rounded.
8. The rapid pluggable multi-coaxial micro radio frequency connector according to claim 1, wherein the insulator is made of microporous polytetrafluoroethylene.
9. The quick connect and disconnect multi-coaxial miniature rf connector of claim 1, wherein the outer wall of the second contact end is provided with a waterproof gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811648250.0A CN109546494B (en) | 2018-12-30 | 2018-12-30 | Multi-coaxial miniature radio frequency connector capable of being quickly plugged |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811648250.0A CN109546494B (en) | 2018-12-30 | 2018-12-30 | Multi-coaxial miniature radio frequency connector capable of being quickly plugged |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109546494A CN109546494A (en) | 2019-03-29 |
| CN109546494B true CN109546494B (en) | 2023-11-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811648250.0A Active CN109546494B (en) | 2018-12-30 | 2018-12-30 | Multi-coaxial miniature radio frequency connector capable of being quickly plugged |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109546494B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101005180A (en) * | 2007-02-06 | 2007-07-25 | 中航光电科技股份有限公司 | Seal radiofrequency coaxial connector with self locking mechanism |
| CN101546883A (en) * | 2008-03-27 | 2009-09-30 | 贵州航天电器股份有限公司 | Quick locking and separation mechanism of radio frequency coaxial connector |
| CN201478637U (en) * | 2009-05-19 | 2010-05-19 | 宁波海曙祥通电子有限公司 | Radio-frequency (RF) coaxial connector |
| CN101976786A (en) * | 2010-10-11 | 2011-02-16 | 镇江华浩通信器材有限公司 | Push-poke self-locking radio frequency coaxial connector |
| CN202384570U (en) * | 2011-11-01 | 2012-08-15 | 中航光电科技股份有限公司 | Quick plugging connector matched with N-type radio-frequency coaxial connector port |
| CN104103952A (en) * | 2014-07-23 | 2014-10-15 | 上海雷迪埃电子有限公司 | Quick-plug locked RF (radio frequency) coaxial connector |
| CN204597097U (en) * | 2014-11-06 | 2015-08-26 | 中兴通讯股份有限公司 | A kind of radio frequency connector |
| CN204696348U (en) * | 2015-06-09 | 2015-10-07 | 镇江蓝箭电子有限公司 | A kind of radio frequency connector |
| CN204696356U (en) * | 2015-04-30 | 2015-10-07 | 深圳市通茂电子有限公司 | A kind of component of RF coaxial connector |
| CN205752806U (en) * | 2016-06-28 | 2016-11-30 | 陕西华达科技股份有限公司 | The quick plug-in adapter interfacial structure that a kind of shield effectiveness is good |
-
2018
- 2018-12-30 CN CN201811648250.0A patent/CN109546494B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101005180A (en) * | 2007-02-06 | 2007-07-25 | 中航光电科技股份有限公司 | Seal radiofrequency coaxial connector with self locking mechanism |
| CN101546883A (en) * | 2008-03-27 | 2009-09-30 | 贵州航天电器股份有限公司 | Quick locking and separation mechanism of radio frequency coaxial connector |
| CN201478637U (en) * | 2009-05-19 | 2010-05-19 | 宁波海曙祥通电子有限公司 | Radio-frequency (RF) coaxial connector |
| CN101976786A (en) * | 2010-10-11 | 2011-02-16 | 镇江华浩通信器材有限公司 | Push-poke self-locking radio frequency coaxial connector |
| CN202384570U (en) * | 2011-11-01 | 2012-08-15 | 中航光电科技股份有限公司 | Quick plugging connector matched with N-type radio-frequency coaxial connector port |
| CN104103952A (en) * | 2014-07-23 | 2014-10-15 | 上海雷迪埃电子有限公司 | Quick-plug locked RF (radio frequency) coaxial connector |
| CN204597097U (en) * | 2014-11-06 | 2015-08-26 | 中兴通讯股份有限公司 | A kind of radio frequency connector |
| CN204696356U (en) * | 2015-04-30 | 2015-10-07 | 深圳市通茂电子有限公司 | A kind of component of RF coaxial connector |
| CN204696348U (en) * | 2015-06-09 | 2015-10-07 | 镇江蓝箭电子有限公司 | A kind of radio frequency connector |
| CN205752806U (en) * | 2016-06-28 | 2016-11-30 | 陕西华达科技股份有限公司 | The quick plug-in adapter interfacial structure that a kind of shield effectiveness is good |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109546494A (en) | 2019-03-29 |
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