CN111200213A - Connector between radio frequency coaxial boards - Google Patents

Connector between radio frequency coaxial boards Download PDF

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Publication number
CN111200213A
CN111200213A CN202010127355.2A CN202010127355A CN111200213A CN 111200213 A CN111200213 A CN 111200213A CN 202010127355 A CN202010127355 A CN 202010127355A CN 111200213 A CN111200213 A CN 111200213A
Authority
CN
China
Prior art keywords
sleeve
inner conductor
insulator
conductive gasket
board
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.)
Pending
Application number
CN202010127355.2A
Other languages
Chinese (zh)
Inventor
杨纪林
杨晓计
尚伟鹏
张�杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
Suzhou Huayang Aerospace Electric Co Ltd
Original Assignee
Huawei Technologies Co Ltd
Suzhou Huayang Aerospace Electric Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co Ltd, Suzhou Huayang Aerospace Electric Co Ltd filed Critical Huawei Technologies Co Ltd
Priority to CN202010127355.2A priority Critical patent/CN111200213A/en
Publication of CN111200213A publication Critical patent/CN111200213A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/629Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
    • H01R13/631Additional 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/629Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
    • H01R13/631Additional 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
    • H01R13/6315Additional 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/38Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
    • H01R24/40Two-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
    • H01R24/50Two-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]

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  • Coupling Device And Connection With Printed Circuit (AREA)

Abstract

The invention discloses a radio frequency coaxial inter-board connector, which comprises a floating plug and a printed board seat, wherein the invention adopts a structure that an inner conductor and a sleeve are designed on the plug, a first step hole and a bell-mouthed second step hole are arranged on the inner conductor, a flange, an axial diameter and a bell-mouthed guide opening are arranged on the sleeve, and the floating connection of a jack on the sleeve and a contact pin on a printed circuit board is realized through the floating connection of the flange of the sleeve and the first step hole of the inner conductor and the axial diameter of the sleeve and the second step hole. In order to facilitate the guiding of the insertion hole and the contact pin during the insertion, the sleeve is further provided with a horn-shaped guiding opening. The invention has the advantages of simple structure, small space between the plates and floating connection between the plates, meets the requirement of blind insertion connection between the plates, and has more obvious use effect particularly for a multi-port connector.

Description

Connector between radio frequency coaxial boards
Technical Field
The invention relates to the technical field of connectors, in particular to a radio frequency coaxial inter-board connector.
Background
The connector for signal transmission between printed circuit board and board, the connector for signal transmission between printed circuit board and filter are numerous, the conventional inter-board connector scheme of the prior art adopts SMT socket-adapter-SMT socket connection mode, the structure not only has the defects of large occupied space and complex structure, but also has the defect that the contact pin is easy to damage when the contact pin is plugged with the printed circuit board, the main reason is that when the contact pin is plugged with the connector, the jack of the connector does not have floating function, especially for the multi-port connector, the probability of deviation between the jack and the contact pin is higher, the danger of damage to the contact pin is larger, therefore, a design for the connector is provided
The radio frequency coaxial board-to-board connector with floating function and capable of meeting blind plugging is necessary.
Disclosure of Invention
The invention aims to provide a radio frequency coaxial board-to-board connector aiming at the defects of the prior art, which adopts the structure that an inner conductor and a sleeve are designed on a plug, a first step hole and a bell-mouthed second step hole are arranged on the inner conductor, a flange, an axial diameter and a bell-mouthed guide opening are arranged on the sleeve, and the floating connection of a jack on the sleeve and a contact pin on a printed circuit board is realized through the floating connection of the flange of the sleeve and the first step hole of the inner conductor and the floating connection of the axial diameter of the sleeve and the second step hole. In order to facilitate the guiding of the insertion hole and the contact pin during the insertion, the sleeve is further provided with a horn-shaped guiding opening. The invention has the advantages of simple structure, small space between the plates and floating connection between the plates, meets the requirement of blind insertion connection between the plates, and has more obvious use effect particularly for a multi-port connector.
The specific technical scheme for realizing the purpose of the invention is as follows:
a radio frequency coaxial inter-board connector is characterized by comprising a floating plug and a printed board seat;
the floating plug is composed of an outer conductor, an inner conductor, an insulator and a sleeve;
the outer conductor is a cylindrical part;
the inner conductor is a step shaft piece, one end of the inner conductor is provided with a first step hole in a column shape and a second step hole in a horn mouth shape, and the shaft body is provided with an agnail and a positioning step;
the sleeve is a cylindrical part provided with steps and jacks, the outer wall of one end of the sleeve is provided with a flange and a shaft diameter, and the jack of the other end is provided with a horn guide port;
the insulator is a cylindrical part, the outer diameter of the insulator is provided with a limiting step, and the inside of the cylinder is provided with an axial positioning shoulder and a radial limiting hole;
the inner conductor is arranged in the insulator, an agnail of the inner conductor is occluded with the inner wall of the insulator cylinder, and the positioning step is contacted with the axial positioning shoulder;
the sleeve is arranged in a radial limiting hole of the insulator, a flange of the sleeve is inserted in a first step hole of the inner conductor, and the shaft diameter of the sleeve is positioned in a second step hole;
the printed board seat consists of a contact pin, an annular mounting bracket, a first conductive gasket, a cavity, a second conductive gasket and a printed circuit board;
the annular mounting bracket, the first conductive gasket, the cavity and the second conductive gasket are all single-ring or multi-ring parts;
the printed circuit board is provided with an inner conductor node and an outer conductor node, the contact pin is arranged on the inner conductor node of the printed circuit board, the second conductive gasket is arranged on the outer conductor node of the printed circuit board, and the cavity, the first conductive gasket and the annular mounting bracket are sequentially arranged on the second conductive gasket;
the floating plug is connected with the printed board seat in an inserting mode, the insulator of the floating plug 1 is connected in the annular mounting support of the printed board seat 2 in an inserting mode, the limiting step of the insulator on the floating plug is in contact with the annular mounting support of the printed board seat 2, and the horn-shaped guide opening of the sleeve on the floating plug is connected with the contact pin of the printed board seat 2 in an inserting mode.
The upper flange of the sleeve and the cylinder wall of the shaft diameter are cut into petal shapes, and the cylinder wall of the upper horn guide port 143 of the sleeve is cut into petal shapes.
When the annular mounting support, the first conductive gasket, the cavity and the second conductive gasket are multi-ring pieces, a multi-core parallel multiport connector is formed.
When the annular mounting support, the first conductive gasket, the cavity and the second conductive gasket are multi-ring pieces, a multi-core parallel multiport connector is formed.
The invention adopts the structure that the inner conductor and the sleeve are designed on the plug, the first step hole and the second step hole in the shape of a horn mouth are arranged on the inner conductor, the flange, the shaft diameter and the horn guide opening are arranged on the sleeve, and the floating connection between the jack on the sleeve and the contact pin on the printed circuit board is realized through the floating connection between the flange of the sleeve and the first step hole of the inner conductor and between the shaft diameter of the sleeve and the second step hole. In order to facilitate the guiding of the insertion hole and the contact pin during the insertion, the sleeve is further provided with a horn-shaped guiding opening. The invention has the advantages of simple structure, small space between the plates and floating connection between the plates, meets the requirement of blind insertion connection between the plates, and has more obvious use effect particularly for a multi-port connector.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of the structure of the inner conductor of the present invention;
FIG. 3 is a schematic structural view of the sleeve of the present invention;
fig. 4 is a schematic view of the usage state of the present invention.
Detailed Description
Referring to fig. 1, 2 and 3, the present invention includes a floating plug 1 and a printed board base 2;
the floating plug 1 is composed of an outer conductor 11, an inner conductor 12, an insulator 13 and a sleeve 14;
the outer conductor 11 is a cylindrical member;
the inner conductor 12 is a step shaft member, one end of which is provided with a first step hole 121 in a column shape and a second step hole 122 in a bell mouth shape, the shaft body is provided with a barb 123 and a positioning step 124,
the sleeve 14 is a cylindrical member provided with a step and a jack, the outer wall of one end of the sleeve is provided with a flange 141 and a shaft diameter 142, and the jack of the other end is provided with a horn guide port 143;
the insulator 13 is a cylindrical part, the outer diameter of the insulator is provided with a limiting step 131, and the inside of the cylinder is provided with an axial positioning shoulder 132 and a radial limiting hole 133;
the inner conductor 12 is arranged in the insulator 13, the barb 123 of the inner conductor 12 is meshed with the inner wall of the cylinder of the insulator 13, and the positioning step 124 is contacted with the axial positioning shoulder 132;
the sleeve 14 is arranged in the radial limiting hole 133 of the insulator 13, the flange 141 of the sleeve 14 is inserted in the first stepped hole 121 of the inner conductor 12, and the shaft diameter 142 of the sleeve 14 is positioned in the second stepped hole 122;
the printed board base 2 is composed of a contact pin 21, an annular mounting bracket 22, a first conductive gasket 23, a cavity 24, a second conductive gasket 25 and a printed circuit board 26;
the annular mounting bracket 22, the first conductive gasket 23, the cavity 24 and the second conductive gasket 25 are all single-ring or multi-ring members;
the printed circuit board 26 is provided with an inner conductor node and an outer conductor node, the contact pin 21 is arranged on the inner conductor node of the printed circuit board 26, the second conductive gasket 25 is arranged on the outer conductor node of the printed circuit board 26, and the cavity 24, the first conductive gasket 23 and the annular mounting bracket 22 are sequentially arranged on the second conductive gasket 25;
the floating plug 1 is inserted into the printed board base 2, the insulator 13 of the floating plug 1 is inserted into the annular mounting bracket 22 of the printed board base 2, the limiting step 131 of the insulator 13 on the floating plug 1 contacts with the annular mounting bracket 22 of the printed board base 2, and the horn guide port 143 of the sleeve 14 on the floating plug 1 is inserted into the contact pin 21 of the printed board base 2.
The walls of the flange 141 and the shaft diameter 142 of the sleeve 14 are cut in a petaloid shape, and the wall of the bell-shaped guide opening 143 of the sleeve 14 is cut in a petaloid shape.
When the annular mounting bracket 22, the first conductive gasket 23, the cavity 24 and the second conductive gasket 25 are multi-ring members, a multi-core parallel multi-port connector is formed.
The invention is applied as follows:
the invention is used for the plugging occasion that the device and the printed circuit board have axial and radial floating requirements.
Referring to fig. 1, 2 and 3, when the invention is applied, the floating plug 1 is inserted into the printed board base 2, the insulator 13 of the floating plug 1 is inserted into the annular mounting bracket 22 of the printed board base 2, the limit step 131 of the insulator 13 on the floating plug 1 contacts with the annular mounting bracket 22 of the printed board base 2, and the horn guide opening 143 of the sleeve 14 on the floating plug 1 is inserted into the contact pin 21 of the printed board base 2.
Referring to fig. 1, 2 and 3, after the coaxial; the outer conductor 11, the annular mounting bracket 22, the first conductive gasket 23, the cavity 24 and the second conductive gasket 25 constitute a radio frequency coaxial shielding layer.
Referring to fig. 1, 2 and 3, the present invention adopts a structure that an inner conductor 12 and a sleeve 14 are designed on a plug, a first stepped hole 121 and a second stepped hole 122 in a bell mouth shape are arranged on the inner conductor 12, a flange 141, an axial diameter 142 and a bell guide opening 143 are arranged on the sleeve 14, and floating connection between a jack on the sleeve 14 and a pin on a printed circuit board is realized through floating connection between the flange 141 of the sleeve 14 and the first stepped hole 121 of the inner conductor 12 and between the axial diameter 142 of the sleeve 14 and the second stepped hole 122. The shaft diameter 142 of the sleeve 14 is caused to oscillate within the second stepped bore 122 of the inner conductor 12 by retaining an amount of axial and radial float between the flange 141 of the sleeve 14 and the first stepped bore 121 of the inner conductor 12.
Referring to fig. 1, 2, 3 and 4, in order to facilitate the guiding of the insertion hole on the sleeve 14 when being inserted into the insertion pin 21, the sleeve 14 of the present invention is further provided with a flared guiding opening 143, and when the insertion hole on the sleeve 14 is inserted into the insertion pin 21, the insertion pin 21 is guided by the flared guiding opening 143 to be corrected and smoothly guided into the insertion hole of the sleeve 14.
Referring to fig. 1, 3 and 4, in order to ensure the floating connection between the inner conductor 12 and the sleeve 14 and also ensure the elastic contact between the inner conductor 12 and the sleeve 14, the present invention cuts the walls of the flange 141 and the shaft diameter 142 of the sleeve 14 into elastic petals, and cuts the walls of the horn-shaped guide openings 143 of the sleeve 14 into elastic petals, so as to ensure the elastic contact between the sleeve 14 and the inner conductor 12 and the elastic contact between the insertion holes of the sleeve 14 and the insertion pins 21.
Referring to fig. 1, 3 and 4, in order to ensure good impedance matching between the inner conductor 12 and the outer conductor 11, the present invention arranges the insulator 13 between the inner conductor 12 and the outer conductor 11, extends the insulator 13 to the upper part of the sleeve 14 of the floating plug 1 and between the inner conductor 12 and the annular mounting bracket 22, the first conductive gasket 23 and the cavity 24 of the printed board base 2, and arranges the radial limiting hole 133 on the insulator 13, so as to leave a space for the sleeve 14 to swing on the inner conductor 12.
The annular mounting bracket 22, the first conductive gasket 23, the cavity 24 and the second conductive gasket 25 can be assembled into a multi-core parallel multi-port connector when the annular mounting bracket, the first conductive gasket, the cavity 24 and the second conductive gasket 25 are multi-annular parts.

Claims (3)

1. A radio frequency coaxial inter-board connector is characterized by comprising a floating plug (1) and a printed board seat (2),
the floating plug (1) is composed of an outer conductor (11), an inner conductor (12), an insulator (13) and a sleeve (14);
the outer conductor (11) is a cylindrical part;
the inner conductor (12) is a step shaft piece, one end of the inner conductor is provided with a first step hole (121) in a column shape and a second step hole (122) in a bell mouth shape, and a barb (123) and a positioning step (124) are arranged on the shaft body;
the sleeve (14) is a cylindrical part provided with steps and insertion holes, the outer wall of one end of the sleeve is provided with a flange (141) and a shaft diameter (142), and the insertion hole of the other end is provided with a horn guide port (143);
the insulator (13) is a cylindrical part, the outer diameter of the insulator is provided with a limiting step (131), and an axial positioning shoulder (132) and a radial limiting hole (133) are arranged in the cylinder;
the inner conductor (12) is arranged in the insulator (13), the barb (123) of the inner conductor (12) is meshed with the inner wall of the insulator (13), and the positioning step (124) is contacted with the axial positioning shoulder (132);
the sleeve (14) is arranged in a radial limiting hole (133) of the insulator (13), a flange (141) of the sleeve (14) is inserted in a first stepped hole (121) of the inner conductor (12), and the shaft diameter (142) of the sleeve (14) is located in a second stepped hole (122);
the printed circuit board seat (2) is composed of a contact pin (21), an annular mounting bracket (22), a first conductive gasket (23), a cavity (24), a second conductive gasket (25) and a printed circuit board (26);
the annular mounting bracket (22), the first conductive gasket (23), the cavity (24) and the second conductive gasket (25) are all single-ring or multi-ring parts;
the printed circuit board (26) is provided with an inner conductor node and an outer conductor node, the contact pin (21) is arranged on the inner conductor node of the printed circuit board (26), the second conductive gasket (25) is arranged on the outer conductor node of the printed circuit board (26), and the cavity (24), the first conductive gasket (23) and the annular mounting bracket (22) are sequentially arranged on the second conductive gasket (25);
the floating plug (1) is connected with the printed board base (2) in an inserting mode, the insulator (13) of the floating plug (1) is connected in an annular mounting support (22) of the printed board base (2) in an inserting mode, the limiting step (131) of the insulator (13) on the floating plug (1) is in contact with the annular mounting support (22) of the printed board base (2), and the horn guide opening (143) of the sleeve (14) on the floating plug (1) is connected with the inserting pin (21) of the printed board base (2) in an inserting mode.
2. The rf coaxial board-to-board connector of claim 1, wherein the flange (141) and the axial diameter (142) of the sleeve (14) are cut to form petals, and the flared guide (143) of the sleeve (14) is cut to form petals.
3. The rf coaxial board-to-board connector according to claim 1, wherein the annular mounting bracket (22), the first conductive gasket (23), the cavity (24) and the second conductive gasket (25) form a multi-core parallel multi-port connector when they are multi-annular members.
CN202010127355.2A 2020-02-28 2020-02-28 Connector between radio frequency coaxial boards Pending CN111200213A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010127355.2A CN111200213A (en) 2020-02-28 2020-02-28 Connector between radio frequency coaxial boards

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010127355.2A CN111200213A (en) 2020-02-28 2020-02-28 Connector between radio frequency coaxial boards

Publications (1)

Publication Number Publication Date
CN111200213A true CN111200213A (en) 2020-05-26

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ID=70747591

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010127355.2A Pending CN111200213A (en) 2020-02-28 2020-02-28 Connector between radio frequency coaxial boards

Country Status (1)

Country Link
CN (1) CN111200213A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113783016A (en) * 2021-08-10 2021-12-10 深圳三星通信技术研究有限公司 Radio frequency connector between boards
CN114094390A (en) * 2021-11-11 2022-02-25 深圳国人科技股份有限公司 Large-tolerance blind-mate connector and cavity filter

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103392266A (en) * 2011-03-08 2013-11-13 胡贝尔和茹纳股份公司 High frequency coaxial connector
CN106159504A (en) * 2015-04-17 2016-11-23 上海雷迪埃电子有限公司 Compact radio frequency (RF) coaxial connector

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103392266A (en) * 2011-03-08 2013-11-13 胡贝尔和茹纳股份公司 High frequency coaxial connector
CN106159504A (en) * 2015-04-17 2016-11-23 上海雷迪埃电子有限公司 Compact radio frequency (RF) coaxial connector

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113783016A (en) * 2021-08-10 2021-12-10 深圳三星通信技术研究有限公司 Radio frequency connector between boards
CN114094390A (en) * 2021-11-11 2022-02-25 深圳国人科技股份有限公司 Large-tolerance blind-mate connector and cavity filter

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Application publication date: 20200526