CN114665344A - Double-floating radio frequency coaxial connector - Google Patents
Double-floating radio frequency coaxial connector Download PDFInfo
- Publication number
- CN114665344A CN114665344A CN202111681904.1A CN202111681904A CN114665344A CN 114665344 A CN114665344 A CN 114665344A CN 202111681904 A CN202111681904 A CN 202111681904A CN 114665344 A CN114665344 A CN 114665344A
- Authority
- CN
- China
- Prior art keywords
- outer conductor
- conductor
- assembly
- coaxial connector
- floating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000004020 conductor Substances 0.000 claims abstract description 166
- 230000001681 protective effect Effects 0.000 claims abstract description 17
- 239000012212 insulator Substances 0.000 claims description 23
- 229920006351 engineering plastic Polymers 0.000 claims description 16
- 239000011521 glass Substances 0.000 claims description 7
- 238000003466 welding Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 9
- 230000008054 signal transmission Effects 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 210000003746 feather Anatomy 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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
- H01R24/50—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 mounted on a PCB [Printed Circuit Board]
-
- 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
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
- H01R13/631—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for engagement only
- H01R13/6315—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for engagement only allowing relative movement between coupling parts, e.g. floating connection
Abstract
The invention discloses a double-floating radio frequency coaxial connector, which comprises an outer conductor assembly and an inner conductor assembly which are mutually insulated and coaxial; the tail end of the outer conductor assembly is provided with a floating structure consisting of a second outer conductor, a third outer conductor, a spring and a fifth outer conductor, the second outer conductor, the third outer conductor and the fifth outer conductor are all cylindrical, the third outer conductor is arranged at the end part of the outer conductor assembly, the second outer conductor spring and the fifth outer conductor are both arranged inside the third outer conductor, the second outer conductor is fixed at the end part of the third outer conductor, the second outer conductor spring and the fifth outer conductor are sequentially arranged from inside to outside, and a matched limiting step surface is arranged between the third outer conductor and the fifth outer conductor; the tail end of the inner conductor assembly is provided with a protective cap which can slide relative to the third outer conductor, and the protective cap is upwards provided with a fuzz button and the inner conductor which are abutted in sequence. The invention realizes a new contact form of double floating of the inner conductor and the outer conductor, and has the characteristics of no welding, low dwarfing, high density and the like.
Description
Technical Field
The invention belongs to the technical field of radio frequency connectors, and particularly relates to a double-floating radio frequency coaxial connector.
Background
With the development of microwave integrated circuits, the development of connectors for microwave integrated circuit transmission is satisfied, various communication devices are developed towards miniaturization, modularization, high frequency and the like, and in order to meet the development requirements of a whole system, the radio frequency coaxial connector is required to have the advantages of microwave transmission, such as small volume, light weight, wide use frequency band, high reliability and low manufacturing cost, and the advantages of rapid connection and separation of modularized installation. In the traditional connection form of vertical interconnection between boards, in order to ensure effective transmission of signals, an elastic element is arranged on an inner conductor, but the occupied space of the connector is fixed under the structural characteristic, and when the height between the PCB boards is low, the usage environment with more strict space requirements cannot be met.
Disclosure of Invention
The present invention addresses the above-mentioned problems of the prior art and provides a dual floating rf coaxial connector. In the connection mode of vertical interconnection between boards, in order to ensure effective transmission of signals, in addition to the arrangement of an elastic part on an inner conductor, an outer conductor is also in elastic contact, so that a novel contact mode of double floating of the inner conductor and the outer conductor is realized, the novel connection mode has the characteristics of no welding, low dwarfing, high density and the like, is more and more widely applied, and solves the problems of low height and small space between PCB boards and the problem of space limitation of a signal transmission end between boards.
A double-floating radio frequency coaxial connector comprises an outer conductor assembly and an inner conductor assembly which are mutually insulated and coaxial;
the tail end of the outer conductor assembly is provided with a floating structure consisting of a second outer conductor, a third outer conductor, a spring and a fifth outer conductor, the second outer conductor, the third outer conductor and the fifth outer conductor are all cylindrical, the third outer conductor is arranged at the end part of the outer conductor assembly, the second outer conductor spring and the fifth outer conductor are both arranged in the third outer conductor, the second outer conductor is fixed at the end part of the third outer conductor, the second outer conductor spring and the fifth outer conductor are sequentially arranged from inside to outside, and a matched limiting step surface is arranged between the third outer conductor and the fifth outer conductor;
the tail end of the inner conductor assembly is provided with a protective cap which can slide relative to the third outer conductor, and the protective cap is upwards provided with a fuzz button and an inner conductor which are abutted in sequence.
Further, the outer conductor assembly further comprises a first outer conductor, a stepped hole is formed in the tail end of the first outer conductor, and the third outer conductor is fixed in the stepped hole of the first outer conductor.
Furthermore, the second outer conductor fixing end is in contact with the fifth outer conductor through a split groove expanding opening, and at least one split groove is formed in each of the second outer conductor and the fifth outer conductor.
Furthermore, a glass insulator is sealed in the stepped hole of the first outer conductor, and the inner conductor penetrates through and is fixed in the center of the glass insulator.
Furthermore, an engineering plastic insulator is packaged in the center of the second outer conductor, the engineering plastic insulator is a hollow columnar body, the fuzz button is inserted into the engineering plastic insulator, and the protective cap is arranged at an opening at the tail end of the engineering plastic insulator in a sliding mode.
Furthermore, a limiting step surface matched with the protective cap is also arranged at the opening at the tail end of the engineering plastic insulator.
The invention has the beneficial effects that: according to the invention, the inner contact piece and the outer contact piece are respectively provided with the fuzz button and the spring elastic piece, so that the signal of the inner conductor contact piece can be reliably transmitted, and the outer contact piece and the interconnected structural piece jointly realize the purpose of reliable grounding; according to the invention, the glass insulator is packaged between the inner conductive contact and the outer contact, the solid feather button and the protective cap are arranged in the engineering plastic insulator and assembled with the outer contact, and through the application of the feather button and the spring elastic piece, the radio frequency coaxial connector has the advantages of good sealing performance, wide signal transmission frequency band, high reliability and capability of being connected with the microstrip line in a welding-free manner.
Drawings
FIG. 1 is a schematic diagram of a RF coaxial connector;
fig. 2 is a schematic structural view of the second outer conductor.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Fig. 1 is a schematic structural diagram of the connector of the present embodiment. The connector includes an outer conductor assembly and an inner conductor assembly coaxially disposed.
The outer conductor assembly sequentially comprises a first outer conductor 1, a second outer conductor 2, a third outer conductor 3, a spring 4 and a fifth outer conductor 5 from top to bottom, and the first outer conductor 1, the second outer conductor 2, the third outer conductor 3, the spring 4 and the fifth outer conductor 5 enable the outer conductor assembly to have the characteristic of floating contact. One end face of the first outer conductor 1 is provided with a step hole, the third outer conductor 3 is cylindrical, the third outer conductor 3 is fixed in the step hole of the first outer conductor 1 through punching or roll riveting, the second outer conductor 2, the spring 4 and the fifth outer conductor 5 are arranged in sequence inside the third outer conductor 3, and the second outer conductor 2 is fixed close to the step hole, the third outer conductor 3 is matched with the second outer conductor 2 through the step surface to fix the second outer conductor 2, the spring 4 is arranged between the second outer conductor 2 and the fifth outer conductor 5, the end of the fifth outer conductor 5 is pushed out of the third outer conductor 3 by the spring 4, and is partially pushed into the third outer conductor 3 when the fifth outer conductor 5 contacts the PCB board, meanwhile, the end of the third outer conductor 3 far away from the stepped hole is also provided with a step surface for limiting the fifth outer conductor 5, so that the fifth outer conductor 5 is prevented from being completely ejected by the spring 4. Therefore, the second outer conductor 2, the spring 4 and the fifth outer conductor 5 form a floating structure of the outer conductor assembly, instantaneous interruption in the vibration process is avoided, the spring 4 resets, and meanwhile, the contact relation between the second outer conductor 2, the fifth outer conductor 5 and the third outer conductor 3 also guarantees the stability of signal transmission.
The fixed end of the second outer conductor 2 is in contact with the fifth outer conductor 5 through a split groove expansion port, at least one split groove is formed in the second outer conductor 2 and the fifth outer conductor 5, a single part is split into more than two grooves, the grounding connection of the outer conductor assembly is guaranteed to be reliable after the expansion ports are respectively formed, the outer conductor assembly and the interconnected structural part achieve the purpose of reliable grounding, instantaneous interruption in the vibration process is avoided, and the spring 4 is used for resetting. Specifically, after the second outer conductor 2 is subjected to groove expansion, as shown in fig. 2, the second outer conductor 2 has a horn-shaped outward expansion state, so that the fifth outer conductor 5 can be always in contact with the second outer conductor 2 under the pressure action of the spring 4, the contact stability is ensured, that is, the reliability of grounding of the outer conductor assembly is ensured, in the process, the spring 4 mainly plays a role of elastic reset, and the elastic reset is utilized to ensure the electrical conduction of the outer conductor assembly jointly formed by the fifth outer conductor 5, the second outer conductor 2 and the third outer conductor 3, so that the problems that the traditional double-floating connector is instantly broken under the vibration condition when the reset and the electrical conduction are realized by the spring 4, and the contact instability is caused by poor elastic action of the fuzz button, and the grounding reliability is poor are solved.
The inner conductor assembly sequentially comprises an inner conductor 11, a fuzz button 6 and a protective cap 8 from top to bottom, the inner conductor assembly and the outer conductor assembly are mutually insulated, a glass insulator 10 is packaged in a step hole of the first outer conductor 1, the inner conductor 11 penetrates through and is fixed in the center of the glass insulator 10, an engineering plastic insulator 7 is packaged in the center of the second outer conductor 2, the engineering plastic insulator 7 is a hollow column, the fuzz button 6 is inserted into the engineering plastic insulator 7, a protective cap step hole is formed in the tail end, far away from the first outer conductor 1, of the engineering plastic insulator 7, the protective cap 8 is slidably arranged at the tail end of the engineering plastic insulator 7, and the extending end of the protective cap 8 is also provided with a stepped structure in sliding fit with the protective cap step hole so as to limit the protective cap 8. The inner conductor 11 and the protective cap 8 are connected with each other through the fuzz button 6 to realize signal transmission.
The hair button 6 is an elastic solid cylinder structure and is woven by gold-plated elastic metal wires.
It is noted that, in this document, relational terms such as first and second, and the like, if any, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above examples are only intended to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (7)
1. A double-floating radio frequency coaxial connector is characterized by comprising an outer conductor assembly and an inner conductor assembly which are mutually insulated and coaxial;
the tail end of the outer conductor assembly is provided with a floating structure consisting of a second outer conductor (2), a third outer conductor (3), a spring (4) and a fifth outer conductor (5), the second outer conductor (2), the third outer conductor (3) and the fifth outer conductor (5) are all cylindrical, the third outer conductor (3) is arranged at the end part of the outer conductor assembly, the spring (4) and the fifth outer conductor (5) of the second outer conductor (2) are arranged inside the third outer conductor (3), the second outer conductor (2) is fixed at the end part of the third outer conductor (3), the spring (4) and the fifth outer conductor (5) of the second outer conductor (2) are sequentially arranged from inside to outside, and a matched limiting step surface is arranged between the third outer conductor (3) and the fifth outer conductor (5);
the tail end of the inner conductor assembly is provided with a protective cap (8) which can slide relative to the third outer conductor (3), and the protective cap (8) is upwards provided with a fuzz button (6) and an inner conductor (11) which are abutted to each other in sequence.
2. A double floating rf coaxial connector according to claim 1, wherein the outer conductor assembly further comprises a first outer conductor (1), the first outer conductor (1) having a stepped bore at its distal end, and the third outer conductor (3) being fixed in the stepped bore of the first outer conductor (1).
3. A double floating rf coaxial connector according to claim 1, wherein the second outer conductor (2) has a slotted flare extending axially from an end face remote from the first outer conductor (1) towards the first outer conductor (1).
4. A double floating rf coaxial connector according to claim 1, wherein the fifth outer conductor (5) has a split flare extending axially from the end face remote from the first outer conductor (1) towards the first outer conductor (1).
5. A double floating rf coaxial connector according to claim 2, wherein the first outer conductor (1) is provided with a glass insulator (10) in a stepped hole, and the inner conductor (11) is fixed through the center of the glass insulator (10).
6. The double-floating radio-frequency coaxial connector according to claim 2, wherein an engineering plastic insulator (7) is encapsulated in the center of the second outer conductor (2), the engineering plastic insulator (7) is a hollow cylinder, the fuzz button (6) is inserted into the engineering plastic insulator (7), and the protective cap (8) is slidably arranged at an end opening of the engineering plastic insulator (7).
7. A double floating RF coaxial connector according to claim 6, wherein the end opening of the engineering plastic insulator (7) also has a stop step surface cooperating with the protection cap (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111681904.1A CN114665344B (en) | 2021-12-30 | 2021-12-30 | Double-floating radio frequency coaxial connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111681904.1A CN114665344B (en) | 2021-12-30 | 2021-12-30 | Double-floating radio frequency coaxial connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114665344A true CN114665344A (en) | 2022-06-24 |
| CN114665344B CN114665344B (en) | 2023-11-28 |
Family
ID=82026214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111681904.1A Active CN114665344B (en) | 2021-12-30 | 2021-12-30 | Double-floating radio frequency coaxial connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114665344B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115064909A (en) * | 2022-07-14 | 2022-09-16 | 中国电信股份有限公司 | Plug-in radio frequency coaxial connector, connector assembly and using method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105932502A (en) * | 2016-05-31 | 2016-09-07 | 中航光电科技股份有限公司 | Contact used for radio frequency connector and radio frequency connector |
| CN108736193A (en) * | 2018-04-28 | 2018-11-02 | 苏州华旃航天电器有限公司 | A kind of floating radio-frequency coaxial connector for being electrically connected between plate |
| CN109755781A (en) * | 2017-11-08 | 2019-05-14 | 上海航天科工电器研究院有限公司 | Float RF electric connector between coplanar template |
| US10396510B1 (en) * | 2018-06-29 | 2019-08-27 | Huber + Suhner Ag | Coaxial connector with compensator |
| CN111490377A (en) * | 2020-05-29 | 2020-08-04 | 西安艾力特电子实业有限公司 | Connector capable of realizing double floating of inner conductor and outer conductor |
| CN111509493A (en) * | 2020-05-29 | 2020-08-07 | 中国电子科技集团公司第十四研究所 | BMA/SMP double-floating radio frequency connector |
| CN113161787A (en) * | 2021-03-15 | 2021-07-23 | 上海航天科工电器研究院有限公司 | Double-floating hair button coaxial sealing connector |
| CN113690699A (en) * | 2021-08-25 | 2021-11-23 | 遵义市飞宇电子有限公司 | Floating radio frequency coaxial connector |
-
2021
- 2021-12-30 CN CN202111681904.1A patent/CN114665344B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105932502A (en) * | 2016-05-31 | 2016-09-07 | 中航光电科技股份有限公司 | Contact used for radio frequency connector and radio frequency connector |
| CN109755781A (en) * | 2017-11-08 | 2019-05-14 | 上海航天科工电器研究院有限公司 | Float RF electric connector between coplanar template |
| CN108736193A (en) * | 2018-04-28 | 2018-11-02 | 苏州华旃航天电器有限公司 | A kind of floating radio-frequency coaxial connector for being electrically connected between plate |
| US10396510B1 (en) * | 2018-06-29 | 2019-08-27 | Huber + Suhner Ag | Coaxial connector with compensator |
| CN111490377A (en) * | 2020-05-29 | 2020-08-04 | 西安艾力特电子实业有限公司 | Connector capable of realizing double floating of inner conductor and outer conductor |
| CN111509493A (en) * | 2020-05-29 | 2020-08-07 | 中国电子科技集团公司第十四研究所 | BMA/SMP double-floating radio frequency connector |
| CN113161787A (en) * | 2021-03-15 | 2021-07-23 | 上海航天科工电器研究院有限公司 | Double-floating hair button coaxial sealing connector |
| CN113690699A (en) * | 2021-08-25 | 2021-11-23 | 遵义市飞宇电子有限公司 | Floating radio frequency coaxial connector |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115064909A (en) * | 2022-07-14 | 2022-09-16 | 中国电信股份有限公司 | Plug-in radio frequency coaxial connector, connector assembly and using method |
| CN115064909B (en) * | 2022-07-14 | 2023-12-08 | 中国电信股份有限公司 | Plug-in type radio frequency coaxial connector, connector assembly and use method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114665344B (en) | 2023-11-28 |
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