CN107317198B - Buckle type BNC radio frequency triaxial connector - Google Patents
Buckle type BNC radio frequency triaxial connector Download PDFInfo
- Publication number
- CN107317198B CN107317198B CN201710711913.8A CN201710711913A CN107317198B CN 107317198 B CN107317198 B CN 107317198B CN 201710711913 A CN201710711913 A CN 201710711913A CN 107317198 B CN107317198 B CN 107317198B
- Authority
- CN
- China
- Prior art keywords
- insulator
- shell
- conductor
- radio frequency
- arranged inside
- 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.)
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- 239000004020 conductor Substances 0.000 claims abstract description 65
- 239000012212 insulator Substances 0.000 claims abstract description 55
- 238000003466 welding Methods 0.000 claims abstract description 12
- 230000005540 biological transmission Effects 0.000 abstract description 6
- 238000005259 measurement Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 230000008054 signal transmission Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
-
- 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
- H01R13/623—Casing or ring with helicoidal groove
-
- 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
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
- H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
- H01R13/6581—Shield structure
-
- 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
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
- H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
- H01R13/6591—Specific features or arrangements of connection of shield to conductive members
- H01R13/6592—Specific features or arrangements of connection of shield to conductive members the conductive member being a shielded cable
Landscapes
- Coupling Device And Connection With Printed Circuit (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention discloses a buckle type BNC radio frequency triaxial connector, which comprises a plug, a welding socket and an attaching socket; the plug and socket interface part of the buckle type radio frequency tri-coaxial connector consists of an outer conductor, an inner conductor, an insulator and a middle conductor, wherein the outer conductor does not transmit signals, protects the signals from external electromagnetic interference, can inhibit the signals in the system from radiating outwards, has better shielding performance than that of the conventional coaxial connector, and improves the transmission capacity and the anti-interference capacity of a data transmission system. The socket and the plug are directly connected by three buckles, so that the connection is convenient and reliable, the electrical performance is stable, and the socket has good electrical performance and mechanical performance. The buckle BNC radio frequency triaxial connector is suitable for a sensitive electronic measurement system, radio equipment and a radio frequency loop of an electronic instrument, is particularly suitable for occasions with high shielding performance requirements, cannot be directly matched with a common BNC connector, and can be connected through adapter switching.
Description
Technical Field
The invention relates to the technical field of connectors, in particular to a buckle type BNC radio frequency triaxial connector.
Background
With the popularization of computers, data transmission systems and local area networks, electromagnetic radiation interference is a key difficulty that is currently necessary to be solved. In order to ensure the communication quality and stability of the transmission line, the anti-interference capability of the communication loop is improved, and the three-coaxial connector has higher shielding performance and small signal transmission capability, and the shielding performance of the three-coaxial connector is 40-50 dB higher than that of the non-shielding connector. The conventional radio frequency coaxial connector consists of an inner conductor and an outer conductor, wherein the inner conductor and the outer conductor form a loop, and the outer conductor simultaneously has a certain shielding function, but has poor shielding performance and larger signal transmission loss.
Disclosure of Invention
The invention solves the technical problem of overcoming the defect of singleness in the prior art and provides a buckle type BNC radio frequency triaxial connector. The buckle type BNC radio frequency triaxial connector has the characteristics of simplicity in operation, convenience in transportation, low cost and the like.
In order to achieve the above purpose, the present invention provides the following technical solutions: a buckle BNC radio frequency triaxial connector comprises a plug, a welding socket and an attaching socket;
The plug comprises an outer conductor, wherein a middle insulator, an insulating gasket, a first insulator, a conical pressing sleeve and a pressing sleeve are arranged in the outer conductor from left to right, a nut is sleeved at one end of the right side of the pressing sleeve, a bushing is sleeved outside the conical pressing sleeve, the bushing is arranged in the pressing sleeve and the nut, the middle insulator is internally provided with the middle conductor, the insulator and the insulator are arranged in the middle conductor, an inner conductor is arranged in the insulator, a shell with a spiral groove is sleeved outside one end of the outer conductor, a rubber ring, an opening washer, a spring washer and a washer are sequentially sleeved outside the shell with the spiral groove from left to right, and the rubber ring, the opening washer, the spring washer and the washer are all arranged in the shell with the spiral groove;
The welding socket comprises a pin shell, wherein a middle insulator is arranged inside the pin shell, a first middle conductor is arranged inside the middle insulator, an inner insulator is arranged inside the first middle conductor, a first inner conductor is arranged inside the inner insulator, a pressing ring is sleeved outside the pin shell, and the pressing ring is arranged inside the pin shell;
The installation socket comprises a first pin-carrying shell, a first middle insulator, a first insulating gasket, a third insulator, a first conical pressing sleeve and a pressing sleeve are sequentially arranged inside the first pin-carrying shell from left to right, a first bushing is sleeved at one end of the right of the first conical pressing sleeve, and a first nut is sleeved outside the pressing sleeve.
Preferably, the insulator, the insulating gasket, the first insulator and the conical pressing sleeve are all concentrically arranged and are round and hollow.
Preferably, the first pin-carrying shell and the outer circle of one end of the pin-carrying shell are radially provided with pins, and the number of the pins is 3.
Preferably, the shell with the spiral groove is axially provided with spiral grooves, and clamping grooves are radially formed, and the number of the clamping grooves is 3.
Compared with the prior art, the invention has the beneficial effects that:
1. The plug and socket interface part of the buckle type radio frequency tri-coaxial connector consists of an outer conductor, an inner conductor, an insulator and a middle conductor, wherein the outer conductor does not transmit signals, protects the signals from external electromagnetic interference, can inhibit the signals in the system from radiating outwards, has better shielding performance than that of the conventional coaxial connector, and improves the transmission capacity and the anti-interference capacity of a data transmission system. The socket and the plug are directly connected by three buckles, so that the connection is convenient and reliable, the electrical performance is stable, and the socket has good electrical performance and mechanical performance.
2. The structure is convenient and reliable to connect, stable in electrical performance, capable of being quickly plugged and unplugged, more reliable in connection than the traditional BNC connection, and capable of bearing severe impact and vibration. The connector comprises a plug and a socket, wherein the interfaces of the plug and the socket are respectively composed of three coaxial conductors, namely an outer conductor, a middle conductor and an inner conductor, the three coaxial conductors are mutually insulated by an insulator, the outer conductor does not transmit signals, and external interference is shielded. The buckle BNC radio frequency triaxial connector is suitable for a sensitive electronic measurement system, radio equipment and a radio frequency loop of an electronic instrument, is particularly suitable for occasions with high shielding performance requirements, cannot be directly matched with a common BNC connector, and can be connected through adapter switching.
Drawings
FIG. 1 is a schematic diagram of a plug-and-socket mating structure according to the present invention;
FIG. 2 is a schematic diagram of a plug structure according to the present invention;
FIG. 3 is a schematic view of an attached plug according to the present invention;
Fig. 4 is a schematic diagram of a soldering socket according to the present invention.
Reference numerals in the drawings: 1a spiral grooved shell, 2 an inner conductor, 3 an outer conductor, 4 an insulator, 5 a rubber ring, 6a split washer, 7a spring washer, 8a washer, 9 a middle conductor, 10 an insulator, 11 a middle insulator, 12 an insulating washer, 13 a first insulator, 14 a tapered crimp sleeve, 15 a crimp sleeve, 16 a bushing, 17 a nut, a plug 18, a weld socket 19, an attachment socket 20, 21 an inner insulator, 22a first middle conductor, 23a middle insulator, 24 a pinned shell, 25 a press ring, 26 a first inner conductor, 27 a first pinned shell, 28 a first middle insulator, 29 a first inner insulator, 30 a second inner conductor, 31 a second middle conductor, 32 an insulator, 33 a first insulator washer, 34 a third insulator, 35 a first tapered crimp sleeve, 36a crimp sleeve, 37a first bushing, 38 a first nut, 39 a pin.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a buckle formula BNC radio frequency triaxial connector, includes, plug 18, welding socket 19, attach socket 20, its plug 18 includes outer conductor 3, outer conductor 3 inside sets up middle insulator 11, insulating washer 12, first insulator 13, toper pressure cover 14, line ball cover 15 from left to right, line ball cover 15 right one end cover is equipped with nut 17, toper pressure cover 14's outside cover is equipped with bush 16, and bush 16 sets up in line ball cover 15 and nut 17's inside, middle conductor 9 is set up in middle conductor 11's inside, middle conductor 9 sets up insulator 4 and insulator 10 inside, insulator 4 sets up inner conductor 2 inside, outer conductor 3's one end outside cover is equipped with spiral groove shell 1, rubber circle 5, split washer 6, spring washer 7, packing ring 8 are all set up in spiral groove shell 1's inside from left to right outside in proper order to take the spiral groove shell 1; the welding socket 19 comprises a pin shell 24, wherein a middle insulator 23 is arranged in the pin shell 24, a first middle conductor 22 is arranged in the middle insulator 23, an inner insulator 21 is arranged in the first middle conductor 22, a first inner conductor 26 is arranged in the inner insulator 21, a pressing ring 25 is sleeved outside the pin shell 24, and the pressing ring 25 is arranged in the pin shell 24; the attaching socket 20 comprises a first pin-carrying shell 27, wherein a first middle insulator 28, a first insulating gasket 33, a third insulator 34, a first conical press sleeve 35 and a press sleeve 36 are sequentially arranged inside the first pin-carrying shell 27 from left to right, a first bushing 37 is sleeved at one right end of the first conical press sleeve 35, and a first nut 38 is sleeved outside the press sleeve 36. The insulator 10, the insulating gasket 12, the first insulator 13 and the conical pressing sleeve 14 are all concentrically arranged and are hollow in a circular shape. The first housing 27 with pins and the housing 24 with pins are radially provided with pins 39 on the outer circle at one end, and the number of the pins 39 is 3. The shell 1 with the spiral grooves is axially provided with spiral grooves, and clamping grooves are radially formed in the shell, wherein the number of the clamping grooves is 3.
The invention is particularly used when:
Example 1: the plug 18 is inserted into the welding socket 19, the spiral grooved housing 1 is rotated, and the housing with the pin housing 24 is rotated along the spiral groove to the end of the rotation groove to be locked. When the plug 18 is inserted into the attachment socket 20, the plug 18 is inserted into the welding socket 19, and the housing of the first housing 27 with pins is rotated along the spiral groove to the end of the rotation groove to be locked.
Example 2: the inner conductor and the middle conductor of the cable are respectively connected with the tail ends of the inner conductor 2 and the middle conductor 9 of the plug 18, the shielding wire of the cable is sleeved on the conical pressing sleeve 14, the pressing sleeve 15, the bushing 16 and the nut 17 are assembled and then are put into the outer conductor 3, and the cable is pressed, so that the outer conductor 3 is conducted with the shielding wire of the cable.
Example 3: the right end of the welding socket 19 is connected with the cable by adopting a welding mode, the inner conductor and the middle conductor of the cable are respectively welded with the first inner conductor 26 and the first middle conductor 22 in the welding socket 19, and the shielding net of the cable is welded on the first middle conductor 22.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. A buckle BNC radio frequency triaxial connector comprises a plug (18), a welding socket (19) and an attaching socket (20), and is characterized in that,
The plug (18) comprises an outer conductor (3), a middle insulator (11), an insulating gasket (12), a first insulator (13), a conical pressing sleeve (14) and a pressing sleeve (15) are arranged inside the outer conductor (3) from left to right, a nut (17) is sleeved at the right end of the pressing sleeve (15), a bushing (16) is sleeved outside the conical pressing sleeve (14), the bushing (16) is arranged inside the pressing sleeve (15) and the nut (17), a middle conductor (9) is arranged inside the middle insulator (11), an insulator (4) and an insulator (10) are arranged inside the middle conductor (9), an inner conductor (2) is arranged inside the insulator (4), a spiral groove shell (1) is sleeved outside one end of the outer conductor (3), a rubber ring (5), an opening washer (6), a spring washer (7) and a washer (8) are sequentially sleeved outside the spiral groove shell (1) from left to right, and the rubber ring (5), the opening washer (6), the spring washer (7) and the washer (8) are arranged inside the spiral groove shell (1);
The welding socket (19) comprises a pin shell (24), wherein a middle insulator (23) is arranged inside the pin shell (24), a first middle conductor (22) is arranged inside the middle insulator (23), an inner insulator (21) is arranged inside the first middle conductor (22), a first inner conductor (26) is arranged inside the inner insulator (21), a pressing ring (25) is sleeved outside the pin shell (24), and the pressing ring (25) is arranged inside the pin shell (24);
The mounting socket (20) comprises a first pin-carrying shell (27), wherein a first middle insulator (28), a first insulating gasket (33), a third insulator (34), a first conical pressing sleeve (35) and a pressing sleeve (36) are sequentially arranged inside the first pin-carrying shell (27) from left to right, a first bushing (37) is sleeved at one right end of the first conical pressing sleeve (35), and a first nut (38) is sleeved outside the pressing sleeve (36).
2. A snap-on BNC radio frequency triaxial connector according to claim 1, characterized in that: the insulator (10), the insulating gasket (12), the first insulator (13) and the conical pressing sleeve (14) are concentrically arranged and are hollow in a circular shape.
3. A snap-on BNC radio frequency triaxial connector according to claim 1, characterized in that: the outer circles of one ends of the first pin-carrying shell (27) and the pin-carrying shell (24) are radially provided with pins (39), and the number of the pins (39) is 3.
4. A snap-on BNC radio frequency triaxial connector according to claim 1, characterized in that: the shell (1) with the spiral grooves is axially provided with the spiral grooves, and clamping grooves are radially formed in the number of 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710711913.8A CN107317198B (en) | 2017-08-18 | 2017-08-18 | Buckle type BNC radio frequency triaxial connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710711913.8A CN107317198B (en) | 2017-08-18 | 2017-08-18 | Buckle type BNC radio frequency triaxial connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107317198A CN107317198A (en) | 2017-11-03 |
| CN107317198B true CN107317198B (en) | 2024-04-19 |
Family
ID=60175765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710711913.8A Active CN107317198B (en) | 2017-08-18 | 2017-08-18 | Buckle type BNC radio frequency triaxial connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107317198B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108023213B (en) * | 2017-12-14 | 2023-11-14 | 沈阳兴华航空电器有限责任公司 | Special direct-insertion type connector |
| CN109616835B (en) * | 2018-10-16 | 2024-03-22 | 西北铁道电子股份有限公司 | Multifunctional circuit interface board applied to GYK equipment |
| CN110112525B (en) * | 2019-06-11 | 2024-02-13 | 镇江市华展电子科技有限公司 | Connector with inner conductor capable of being adjusted in axial front-back displacement mode |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101183764A (en) * | 2007-10-15 | 2008-05-21 | 泰兴市航联电连接器厂 | Radio frequency three coaxial connector |
| CN204045890U (en) * | 2014-08-28 | 2014-12-24 | 北京无线电计量测试研究所 | A kind of phase place adjustable radio frequency cable connector |
| CN205543576U (en) * | 2016-04-11 | 2016-08-31 | 吴通控股集团股份有限公司 | Radiofrequency coaxial adapter |
| CN207098212U (en) * | 2017-08-18 | 2018-03-13 | 陕西益华电气股份有限公司 | A kind of buckle-type BNC radio frequency three coaxial connectors |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7207838B2 (en) * | 2004-12-30 | 2007-04-24 | See Sprl | Coaxial connectors |
-
2017
- 2017-08-18 CN CN201710711913.8A patent/CN107317198B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101183764A (en) * | 2007-10-15 | 2008-05-21 | 泰兴市航联电连接器厂 | Radio frequency three coaxial connector |
| CN204045890U (en) * | 2014-08-28 | 2014-12-24 | 北京无线电计量测试研究所 | A kind of phase place adjustable radio frequency cable connector |
| CN205543576U (en) * | 2016-04-11 | 2016-08-31 | 吴通控股集团股份有限公司 | Radiofrequency coaxial adapter |
| CN207098212U (en) * | 2017-08-18 | 2018-03-13 | 陕西益华电气股份有限公司 | A kind of buckle-type BNC radio frequency three coaxial connectors |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107317198A (en) | 2017-11-03 |
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