CN109950761B - Double-end floating radio frequency coaxial adapter - Google Patents
Double-end floating radio frequency coaxial adapter Download PDFInfo
- Publication number
- CN109950761B CN109950761B CN201711385280.2A CN201711385280A CN109950761B CN 109950761 B CN109950761 B CN 109950761B CN 201711385280 A CN201711385280 A CN 201711385280A CN 109950761 B CN109950761 B CN 109950761B
- Authority
- CN
- China
- Prior art keywords
- conductor
- radio frequency
- plug
- double
- cylindrical shell
- 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.)
- Active
Links
Images
Landscapes
- Coupling Device And Connection With Printed Circuit (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention relates to a double-end floating radio frequency coaxial adapter. The cylindrical shell is internally provided with a central conductor which is coaxially fixed relative to the cylindrical shell, two ends of the central conductor are respectively in plug-in fit with the inner conductor components of the radio frequency plug-in terminals at two ends, one of the central conductor and the inner conductor components is provided with a plug-in cavity for the other to be plugged in, and the cavity wall of the plug-in cavity can elastically deform to realize the floating of the inner conductor components relative to the central conductor. The invention adopts a three-section structure, the middle is a central conductor, the two ends are inner conductor components, when the inner conductor component on one side is radially deflected due to tolerance or error during plugging, the deflection quantity of the inner conductor component is elastically deformed to realize error compensation, and because the central conductor is fixed relative to the cylindrical shell, the deflection quantity is not transferred to the inner conductor component on the other side, so that the inner conductor components on the two sides can independently float, namely the two ends independently float, and the adapter and the connectors on the two sides are more accurately plugged.
Description
Technical Field
The invention relates to a double-end floating radio frequency coaxial adapter.
Background
In order to ensure the excellent performance of the rf coaxial adapter, a floating structure is often used in the adapter to ensure that the mating interface is tightly attached when the adapter is plugged into the mating connector. At present, various adapters with floating double ends are mainly of two-section structures, as shown in fig. 1, a structure diagram of a common two-section double-end floating radio frequency coaxial adapter 200 is shown, the adapter 200 comprises a cylindrical shell 1 with openings at two ends, outer conductor components 2 capable of floating axially and radially are installed at two ends of the cylindrical shell 1 through springs, half-section central conductors are installed in the two outer conductor components through insulators, the opposite ends of the two half-section central conductors are mutually inserted and matched through pin and hole structures to realize axial floating, the two half-section central conductors jointly form a central conductor, and radio frequency signals can be transmitted in a medium between the outer conductor and the central conductor.
When the two-section double-end floating radio frequency coaxial adapter 200 is inserted into the adapter connectors 100 at two ends, when the connector at one end is not inserted due to dimensional tolerance and the center conductor at one side is deflected, the center conductors at two ends are inserted into each other and matched with each other, and each center conductor can float freely, the center conductor at one side is deflected, and the center conductor at the other side is deflected, so that the connector at the other side cannot be accurately inserted into the adapter, and the normal use of the adapter is affected.
Disclosure of Invention
The invention aims to provide a double-end floating radio frequency coaxial adapter, which aims to solve the technical problem that one side of a central conductor of a two-segment double-end floating radio frequency coaxial adapter in the prior art is inclined so that the other side cannot be normally plugged with a connector.
In order to achieve the purpose, the double-end floating radio frequency coaxial adapter adopts the following technical scheme:
1. the double-end floating radio frequency coaxial adapter comprises a cylindrical shell, radio frequency plug terminals are arranged at two ends of the cylindrical shell and comprise an outer conductor assembly and an inner conductor assembly, a central conductor which is coaxially fixed relative to the cylindrical shell is further arranged in the cylindrical shell, two ends of the central conductor are respectively in plug fit with the inner conductor assemblies of the radio frequency plug terminals at the two ends, one of the central conductor and the inner conductor assembly is provided with a plug cavity for inserting the other plug cavity, and the wall of the plug cavity can elastically deform to realize the floating of the inner conductor assembly relative to the central conductor.
2. The improvement is further based on 1: and a splitting groove is formed in the wall of the plug cavity.
3. The improvement is further based on 1 or 2: the plug-in cavities are arranged at two ends of the central conductor.
4. The improvement is further realized on the basis of 3: and a spherical structure is arranged at one end of the inner conductor component, which is in splicing fit with the splicing cavity.
5. The improvement is further based on 1 or 2: the periphery of the central conductor is provided with an annular boss, at least one pair of insulating rings is arranged between the cylindrical shell and the central conductor, and the two insulating rings of the pair of insulating rings are respectively matched with the annular boss in a blocking mode from two sides of the annular boss.
6. Further improvement on the basis of 5: two fixed metal cylinders are sleeved between the central conductor and the cylindrical shell in a hollow mode, a compression spring is arranged between the fixed metal cylinders and the outer conductor assembly, and when the fixed metal cylinders and the adaptive connector are plugged, the compressed outer conductor assembly pushes the two fixed metal cylinders through the compression spring, so that a pair of insulating rings are extruded on the annular boss by the end faces of one ends of the two fixed metal cylinders from two sides respectively.
7. The improvement is further based on 1 or 2 or 6: the outer conductor assembly comprises an outer barrel and an inner barrel which are sleeved with each other, at least one pair of annular insulators are arranged between the inner barrel and the inner conductor assembly, inner steps are arranged on the inner walls of the inner barrel and the outer barrel, the pair of annular insulators are located between the inner steps of the inner barrel and the inner steps of the outer barrel, a ring platform is arranged on the periphery of the inner conductor assembly, and the two annular insulators are respectively matched with the ring platform in a blocking mode from two ends of the ring platform.
8. The improvement is further on the basis of 7: the inner cylinder is matched with the fixed metal cylinder in an inserting mode, and a splitting groove is formed in the outer wall of the front end of the inner cylinder.
Has the advantages that: the central conductor adopts a three-section structure, the middle part is the central conductor, the two ends are the inner conductor components, the central conductor is fixed relative to the cylindrical shell, when the inner conductor component on one side is radially deflected due to tolerance or error when being plugged, the deflection quantity of the inner conductor component is compensated by the elastic deformation of the cavity wall of the plug cavity matched between the central conductor and the inner conductor components, and the central conductor is fixed relative to the cylindrical shell, so that the deflection quantity is not transmitted to the inner conductor component on the other side, the inner conductor components on the two sides can float independently, namely, the independent floating of the two ends is realized, and the adaptor is more accurately plugged with the connectors on the two sides.
Drawings
Fig. 1 is a schematic structural diagram of a conventional two-segment double-end floating rf coaxial adapter in the prior art;
FIG. 2 is a schematic structural diagram of an embodiment of a double-ended floating RF coaxial adapter of the present invention;
in the figure: 100-adapter connector, 200-adapter, 1-cylindrical shell, 2-outer conductor component, 21-inner cylinder, 211-inner cylinder split groove, 22-outer cylinder, 3-fixed metal cylinder, 41-inner conductor component, 411-bolt, 42-central conductor, 421-jack, 4211-jack split groove, 422-annular boss, 5-left insulating ring, 6-right insulating ring and 7-compression spring.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
As shown in fig. 2, the double-end floating radio frequency coaxial adapter of the present invention includes a cylindrical housing 1, a connecting flange is disposed on the periphery of the cylindrical housing 1, an annular step is disposed in the middle of the interior of the cylindrical housing 1, outer conductor components 2 are mounted at two ends of the cylindrical housing 1 through compression springs 7, each outer conductor component 2 includes an inner cylinder 21 and an outer cylinder 22, the inner cylinder is provided with an inner step, the outer cylinder is provided with an inner step, and one end of the inner cylinder 21 is pressed against the inner step of the outer cylinder 22, so as to realize axial push fit between the inner cylinder and the outer cylinder. The outer periphery of the outer cylinder 22 is provided with an outer step for being in pushing fit with one end of the compression spring 7. The inner cylinder 21 is a step cylinder, the large end extends into the outer cylinder 22, the small end is provided with an inner cylinder splitting groove 211, and the periphery of the end is provided with a spherical surface. The fixed metal cylinder 3 is installed at the inner step of the cylindrical shell 1, the step surface of the fixed metal cylinder 3 is flush with the step surface of the inner step of the cylindrical shell 1, the right end of the compression spring 7 is pressed against the step surface of the fixed metal cylinder 3, and the left end of the compression spring 7 is pressed against the step surface of the outer step of the outer cylinder 22, so that the elastic force transmission between the fixed metal cylinder 3 and the outer cylinder 22 is realized. The small end of the inner cylinder 21 is inserted into the fixed metal cylinder 3 and contacts with the fixed metal cylinder 3 through the contact part with the inner cylinder split groove 211 and the spherical surface, so that the electrical connection is realized, and the split groove structure ensures that the inner cylinder and the fixed metal cylinder can float in the radial direction. The big end of the fixed metal cylinder 3 is electrically connected with the cylindrical shell 1 after contacting, and the outer conductor is formed by the outer cylinder 22, the inner cylinder 21, the fixed metal cylinder 3 and the middle section of the cylindrical shell 1.
The central conductor 42 in the middle and the inner conductor components 41 at two ends are supported in the middle of the outer conductor through an insulating ring, the central conductor 42 is fixed relative to the cylindrical shell 1 through the insulating ring, and the specific mode is as follows: the outer peripheral surface of the central conductor 42 is provided with an annular boss 422, the left insulating ring 5 and the right insulating ring 6 of a group of insulating rings are respectively sleeved on the central conductor 42 from the left side and the right side, the inner peripheral surfaces and the outer peripheral surfaces of the left insulating ring 6 and the right insulating ring 6 are respectively contacted with the outer peripheral surface of the central conductor 42 and the inner peripheral surface of the middle part of the cylindrical shell 1 to be positioned radially, the left insulating ring and the right insulating ring are respectively extruded at the two sides of the annular boss 422 from the two sides, and because the two ends of the fixed metal cylinder 3 are respectively pressed at the inner step of the cylindrical shell 1 by the compression springs 7, the fixed metal cylinder 3 can realize the axial positioning of the left insulating ring and the right insulating ring, thereby realizing. Similarly, the outer periphery of the inner conductor assembly 41 is also provided with annular bosses and is axially and radially positioned relative to the inner and outer barrels 21, 22 by a set of insulating rings to achieve synchronous movement of the inner conductor assembly 41 and the outer conductor assembly 2. The two ends of the inner conductor assembly 41 are respectively provided with a jack 421 structure, the inner end of the inner conductor assembly 41 is provided with a plug 411 structure, and the plug 411 structure can be inserted into the jack 421 structure to realize the electrical connection between the inner conductor assembly 41 and the central conductor 42. To ensure that the inner conductor assembly 41 can float radially with respect to the center conductor 42, a socket slot 4211 is formed on the hole wall of the socket 421, and the hole wall of the socket 421 is made of an elastic material to facilitate deformation. The outer circumferential surface of the plug 411 is provided with a spherical surface. To achieve axial floating of the inner conductor assembly 41 and the center conductor 42, the depth of the socket 421 is deep so that the latch 411 has enough axial floating space in the socket 421. Axial and radial floating of the outer conductor assembly 2 is then floating by virtue of the compression spring 7 and the space of the compression spring receiving cavity.
When in use: after the adapter connector is inserted from the left end of the adapter, even if there is a dimensional tolerance or an installation error in the insertion, since the outer conductor assembly 2 can axially and radially float and the left-end inner conductor assembly 41 can radially float by means of the structure and elastic deformation of the split groove, since the central conductor 42 is fixed relative to the metal housing, the deformation of the left-end inner conductor assembly 41 is not transferred to the right-end inner conductor assembly 41, and thus the normal insertion of the right-end inner conductor assembly 41 and the adapter connector is not hindered.
Claims (8)
1. A double-end floating radio frequency coaxial adapter is characterized by comprising a cylindrical shell, radio frequency plug-in terminals are arranged at two ends of the cylindrical shell, each radio frequency plug-in terminal comprises an outer conductor component and an inner conductor component, a central conductor coaxially fixed relative to the cylindrical shell is further arranged in the cylindrical shell, two ends of the central conductor are respectively in plug-in fit with the inner conductor components of the radio frequency plug-in terminals at the two ends, one of the central conductor and the inner conductor component is provided with a plug-in cavity for the other to be inserted into, the wall of the plug cavity can elastically deform to realize the floating of the inner conductor assembly relative to the central conductor, a fixed metal cylinder is arranged between the central conductor and the cylindrical shell in the cylindrical shell, the outer conductor assembly comprises an inner cylinder and an outer cylinder which are mutually plugged, one end of the inner cylinder is in plug fit with the fixed metal cylinder, and the plug fit part of the central conductor and the inner conductor assembly is positioned on the axial inner side of the plug fit part of the inner cylinder and the fixed metal cylinder.
2. The double-ended floating radio frequency coaxial adapter according to claim 1, wherein a split groove is formed on a wall of the plugging cavity.
3. The double-ended floating radio frequency coaxial adapter according to claim 1 or 2, wherein the plugging cavity is provided at both ends of the center conductor.
4. The double-ended floating radio frequency coaxial adapter according to claim 3, wherein the end of the inner conductor assembly that mates with the plug cavity is provided with a spherical structure.
5. The double-ended floating radio frequency coaxial adapter according to claim 1 or 2, wherein an annular boss is provided on an outer periphery of the center conductor, at least one pair of insulating rings is provided between the cylindrical housing and the center conductor, and two insulating rings of the pair of insulating rings are respectively in stop fit with the annular boss from both sides of the annular boss.
6. The double-ended floating radio frequency coaxial adapter according to claim 5, wherein two fixed metal cylinders are further sleeved between the central conductor and the cylindrical housing, a compression spring is arranged between the fixed metal cylinders and the outer conductor assembly, and when the adapter is plugged with the adapter connector, the compressed outer conductor assembly pushes the two fixed metal cylinders through the compression spring so that one end faces of the two fixed metal cylinders respectively press a pair of insulating rings on the annular bosses from two sides.
7. The double-ended floating radio frequency coaxial adapter according to claim 6, wherein the outer conductor assembly comprises an outer barrel and an inner barrel which are sleeved with each other, at least one pair of annular insulators is arranged between the inner barrel and the inner conductor assembly, inner steps are arranged on inner walls of the inner barrel and the outer barrel, the pair of annular insulators are located between the inner steps of the inner barrel and the outer barrel, a ring platform is arranged on the periphery of the inner conductor assembly, and the two annular insulators are respectively matched with the ring platform in a stopping manner from two ends of the ring platform.
8. The double-ended floating radio frequency coaxial adapter according to claim 7, wherein the inner cylinder is in plug fit with the fixed metal cylinder, and a split groove is formed on the outer wall of the front end of the inner cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711385280.2A CN109950761B (en) | 2017-12-20 | 2017-12-20 | Double-end floating radio frequency coaxial adapter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711385280.2A CN109950761B (en) | 2017-12-20 | 2017-12-20 | Double-end floating radio frequency coaxial adapter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109950761A CN109950761A (en) | 2019-06-28 |
| CN109950761B true CN109950761B (en) | 2020-10-30 |
Family
ID=67004242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711385280.2A Active CN109950761B (en) | 2017-12-20 | 2017-12-20 | Double-end floating radio frequency coaxial adapter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109950761B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113690699B (en) * | 2021-08-25 | 2024-04-19 | 遵义市飞宇电子有限公司 | Floating radio frequency coaxial connector |
| CN114122815B (en) * | 2021-10-22 | 2023-11-14 | 中航光电科技股份有限公司 | Elastic pre-tightening terminating stepless multidirectional large floating interconnection structure |
| CN114563846A (en) * | 2022-02-23 | 2022-05-31 | 中航光电科技股份有限公司 | Elastic floating structure and optical fiber connector |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101689735A (en) * | 2007-06-25 | 2010-03-31 | 罗森伯格高频技术有限及两合公司 | Coaxial connector |
| CN104184003A (en) * | 2013-05-20 | 2014-12-03 | 中航光电科技股份有限公司 | Radiofrequency coaxial adapter |
| CN206451948U (en) * | 2017-02-27 | 2017-08-29 | 上海航天科工电器研究院有限公司 | A kind of double radio frequency (RF) coaxial connectors floated |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8888527B2 (en) * | 2011-10-25 | 2014-11-18 | Perfectvision Manufacturing, Inc. | Coaxial barrel fittings and couplings with ground establishing traveling sleeves |
-
2017
- 2017-12-20 CN CN201711385280.2A patent/CN109950761B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101689735A (en) * | 2007-06-25 | 2010-03-31 | 罗森伯格高频技术有限及两合公司 | Coaxial connector |
| CN104184003A (en) * | 2013-05-20 | 2014-12-03 | 中航光电科技股份有限公司 | Radiofrequency coaxial adapter |
| CN206451948U (en) * | 2017-02-27 | 2017-08-29 | 上海航天科工电器研究院有限公司 | A kind of double radio frequency (RF) coaxial connectors floated |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109950761A (en) | 2019-06-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101820125B (en) | There is the surface mount coaxial connector of translation function | |
| CN109950761B (en) | Double-end floating radio frequency coaxial adapter | |
| CN102437477B (en) | High-power small-size radio frequency coaxial connector capable of being subjected to group insertion | |
| CN201466319U (en) | High-voltage resistant electric connector and high-voltage resistant electric connector assembly | |
| US20230378693A1 (en) | Adapter | |
| CN109728472B (en) | High leakproofness car wiring harness connector | |
| CN110277682B (en) | Cable connecting terminal | |
| CN102097722A (en) | Millimeter wave floating type blind-mated radio frequency connector | |
| CN113690699B (en) | Floating radio frequency coaxial connector | |
| CN213212443U (en) | Elastic plate is to board radio frequency connector | |
| CN101958494A (en) | Coaxial connector | |
| CN111162419B (en) | Radio frequency connector and radio frequency connection structure between two circuit boards | |
| CN219040783U (en) | Outer conductor contact element | |
| CN109950719B (en) | Radio frequency coaxial connector | |
| CN210379681U (en) | Double-female floating adapter and radio frequency coaxial connector | |
| CN213845723U (en) | Electrical connector | |
| CN111541072B (en) | Test adapter | |
| CN213782376U (en) | Radio frequency connector | |
| CN109950720B (en) | Radio frequency coaxial adapter | |
| CN109950762B (en) | Double-end floating coaxial radio frequency adapter | |
| CN210744359U (en) | Plug, socket and radio frequency integrated connector | |
| CN111370901B (en) | Connector and socket | |
| CN210074122U (en) | Detachable SSMP coaxial load | |
| CN203607621U (en) | Floating interface reversed-polarity blind plugging connector | |
| CN113871974A (en) | Self-short-circuit connector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |