CN111162398A - Floating connector - Google Patents

Floating connector Download PDF

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Publication number
CN111162398A
CN111162398A CN202010143274.1A CN202010143274A CN111162398A CN 111162398 A CN111162398 A CN 111162398A CN 202010143274 A CN202010143274 A CN 202010143274A CN 111162398 A CN111162398 A CN 111162398A
Authority
CN
China
Prior art keywords
sleeve
wall
spring
fixed terminal
conductor
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
CN202010143274.1A
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Chinese (zh)
Inventor
杨存卡
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.)
Guangdong Linjve Industry Investments Co ltd
Original Assignee
Guangdong Linjve Industry Investments 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 Guangdong Linjve Industry Investments Co ltd filed Critical Guangdong Linjve Industry Investments Co ltd
Priority to CN202010143274.1A priority Critical patent/CN111162398A/en
Publication of CN111162398A publication Critical patent/CN111162398A/en
Pending legal-status Critical Current

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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
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/04—Pins or blades for co-operation with sockets
    • H01R13/05—Resilient pins or blades
    • H01R13/052—Resilient pins or blades co-operating with sockets having a circular transverse section
    • 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
    • H01R13/6585—Shielding material individually surrounding or interposed between mutually spaced contacts
    • 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]

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  • Coupling Device And Connection With Printed Circuit (AREA)

Abstract

The invention relates to a floating connector which comprises a sliding main body, an insulator, an inner conductor and an outer conductor, wherein the inner conductor is arranged at the axis of a sleeve of the sliding main body through the insulator, the outer conductor is sleeved on the outer circumference of the sleeve in a sliding mode and keeps in contact conduction with the sleeve, the inner conductor comprises a fixed terminal and a movable needle, the fixed terminal is fixedly connected with the insulator, and the movable needle is coaxially arranged at one end of the fixed terminal and keeps in contact conduction with the fixed terminal. The invention has reasonable structure, novel design and strong practicability, realizes the constant conduction between the fixed terminal and the movable needle through the inner elastic sheet and the inner spring, and realizes the constant conduction between the outer conductor and the sliding main body through the outer elastic sheet and the outer spring; the connector forms a sealed cavity inside, has good shielding effect, and ensures the stability of connector signal transmission.

Description

Floating connector
Technical Field
The invention relates to the technical field of radio frequency connectors, in particular to a floating board-to-board radio frequency connector for compensating assembly errors between PCBs.
Background
A radio frequency coaxial connector, simply an RF connector, is generally considered to be a component attached to a cable or mounted on an instrument as a component for transmitting electrical connections or separations. It mainly plays a role of a bridge. UHF connectors appeared in 1930 as the earliest RF connectors. The development of the RF connector in recent eighty years has made the RF connector form an independent and complete professional system, and become an important component in the connector family. Becoming an indispensable key element of coaxial transmission systems. The radio frequency connector has multiple specifications and mainly ensures the electrical characteristics by a mechanical structure.
Along with the continuous increase of electromechanical product integration signal source, two direct radio frequency signal connectors of base plate need quantity more and more, along with two base plate radio frequency connector increase, the deviation that can take place the position is difficult to avoid to the position of the upper plate connector of the direct connector of its two base plates and hypoplastron connector, when a plurality of upper plate connectors and hypoplastron connector position take place the skew, the connection of radio frequency connector will go wrong, produce contact failure scheduling problem, the radio frequency signal transmission of two base plates will go wrong.
Disclosure of Invention
To overcome the deficiencies of the prior art, the present invention provides a floating connector.
In order to achieve the purpose, the technical scheme provided by the invention is as follows: the utility model provides a floating connector, includes slip main part, insulator, inner conductor, outer conductor, the inner conductor passes through the insulator setting in the sleeve axle center department of slip main part, outer conductor slidable cover establishes on telescopic outer circumference and keeps the contact with the sleeve and switches on, the inner conductor includes fixed terminal and activity needle, fixed terminal and insulator rigid coupling, the coaxial setting of activity needle is in the one end of fixed terminal and keeps the contact with fixed terminal and switches on.
In the above technical scheme, one end of the fixed terminal is provided with a sleeve, the movable thimble penetrates through the sleeve, an inner spring connected with the movable thimble is arranged in the sleeve, and an inner elastic sheet is arranged between the outer wall of the movable thimble and the sleeve.
In the above technical scheme, the inner spring plate is fixed on the outer wall of the sleeve, at least one brush is arranged on the inner spring plate, and the tail end of the brush is provided with a contact which is in sliding connection with the outer wall of the movable needle.
In the above technical scheme, the inner elastic sheet is tubular, and the inner elastic sheet is sleeved and welded on the outer wall of the sleeve.
In the above technical scheme, the inner spring plate is fixed on the movable needle, the inner spring plate is provided with at least one brush, and the tail end of the brush is provided with a contact point in sliding connection with the inner wall of the sleeve.
In the above technical scheme, the inner elastic sheet is C-shaped, the outer wall of the movable needle is provided with an installation groove, and the inner elastic sheet is clamped in the installation groove.
In the technical scheme, an outer spring is sleeved on the outer circumference of the sleeve and is in contact connection with a step on the inner wall of the outer conductor; the sliding main body is fixed with an outer elastic sheet connected with the outer wall of the outer conductor on the outer circumference of the sleeve.
In the above technical scheme, the outer spring plate is tubular, the sliding main body is provided with an annular clamping groove, the outer spring plate is embedded in the clamping groove, the outer spring plate is provided with a clamping block in interference fit with the inner wall of the clamping groove, the outer spring plate is provided with at least one brush part, and the tail end of the brush part is provided with a contact point in sliding connection with the outer wall of the outer conductor.
In the technical scheme, the fixed terminal and the insulator are fixed in a plastic-coated mode, and the outer wall of the insulator is provided with the inner sealing ring connected with the inner wall of the sleeve.
In the above technical scheme, the outer wall of the sliding main body is provided with an outer sealing ring.
The invention has the beneficial effects that the structure is reasonable, the design is novel, the practicability is strong, the fixed terminal and the movable needle are kept to be conducted constantly through the inner elastic sheet and the inner spring, and the outer conductor and the sliding main body are kept to be conducted constantly through the outer elastic sheet and the outer spring; when the PCB on one side of the connector is stressed, the sliding main body and the movable pin are under stress, the inner spring and the outer spring are sprung/compressed, and the inner spring ensures that the fixed terminal and the movable pin are always in contact conduction through the inner elastic sheet under the condition that the fixed terminal and the movable pin are ensured to be normally conducted by the inner spring; the connector forms a sealed cavity inside, has good shielding effect, and ensures the stability of connector signal transmission.
Drawings
Fig. 1 is a schematic perspective view of a first embodiment of the present invention.
Fig. 2 is an exploded schematic view of a first embodiment of the present invention.
Fig. 3 is a schematic cross-sectional structure diagram according to a first embodiment of the invention.
Fig. 4 is a schematic structural diagram of an inner conductor according to a second embodiment of the present invention.
Fig. 5 is a schematic perspective view of a third embodiment of the present invention.
In the figure: 1. a sliding body; 11. a sleeve; 12. a card slot; 13. an outer sealing ring; 2. an insulator; 21. an inner seal ring; 31. a fixed terminal; 32. a sleeve; 33. an inner spring; 34A and 34B, inner spring plate; 35. a contact; 36. a movable needle; 361. mounting grooves; 4. an outer spring plate; 41. a clamping block; 42. a contact point; 5. an outer spring; 6. an outer conductor; 7. a PCB board; 71. an outer conductive contact; 72. internal conductive contacts.
Detailed Description
Embodiments of the present invention will be described with reference to the accompanying drawings.
In the first embodiment, the first step is,
as shown in fig. 1-3, a floating connector includes a sliding body 1, an insulator 2, an inner conductor 6, the inner conductor is disposed at the axis of a sleeve 11 of the sliding body 1 through the insulator 2, the outer conductor 6 slidably fits over the outer circumference of the sleeve 11 and keeps in contact conduction with the sleeve 11, the inner conductor includes a fixed terminal 31 and a movable pin 36, the fixed terminal 31 is fixedly connected with the insulator 2, the movable pin 36 is coaxially disposed at one end of the fixed terminal 31 and keeps in contact conduction with the fixed terminal 31.
One end of the fixed terminal 31 is provided with a sleeve 32, the movable thimble penetrates through the sleeve 32, an inner spring 33 connected with the movable thimble is arranged in the sleeve 32, and an inner elastic sheet 34A is arranged between the outer wall of the movable thimble and the sleeve 32.
The inner spring 34A is fixed on the outer wall of the sleeve 32, at least one brush is arranged on the inner spring 34A, and the tail end of the brush is provided with a contact 35 which is in sliding connection with the outer wall of the movable needle 36.
The inner spring 34A is tubular, and the inner spring 34A is sleeved and welded on the outer wall of the sleeve 32.
An outer spring 5 is sleeved on the outer circumference of the sleeve 11, and the outer spring 5 is in contact connection with a step on the inner wall of the outer conductor 6; the sliding body 1 is fixed with an outer spring 4 connected with the outer wall of the outer conductor 6 on the outer circumference of the sleeve 11.
Outer shell fragment 4 is the tubulose, is provided with ring groove 12 on the slip main part 1, and outer shell fragment 4 inlays and establishes in draw-in groove 12, and outer shell fragment 4 is provided with the fixture block 41 with draw-in groove 12 inner wall interference fit, and outer shell fragment 4 is provided with at least one brush portion, and the end of brush portion is provided with the contact point 42 with 6 outer wall sliding connection of outer conductor.
The fixed terminal 31 is fixed with the insulator 2 in a plastic-coated mode, and the outer wall of the insulator 2 is provided with an inner sealing ring 21 connected with the inner wall of the sleeve 11.
In the second embodiment, the first embodiment of the method,
as shown in fig. 4, a floating connector comprises a sliding body 1, an insulator 2, an inner conductor 6, and an outer conductor 6, wherein the inner conductor is disposed at the axis of a sleeve 11 of the sliding body 1 through the insulator 2, the outer conductor 6 slidably sleeves the outer circumference of the sleeve 11 and keeps in contact conduction with the sleeve 11, the inner conductor comprises a fixed terminal 31 and a movable pin 36, the fixed terminal 31 is fixedly connected with the insulator 2, and the movable pin 36 is coaxially disposed at one end of the fixed terminal 31 and keeps in contact conduction with the fixed terminal 31.
One end of the fixed terminal 31 is provided with a sleeve 32, the movable thimble penetrates through the sleeve 32, an inner spring 33 connected with the movable thimble is arranged in the sleeve 32, and an inner elastic sheet 34B is arranged between the outer wall of the movable thimble and the sleeve 32.
The inner spring 34B is fixed on the movable needle 36, the inner spring 34B is provided with at least one brush, and the tail end of the brush is provided with a contact 35 connected with the inner wall of the sleeve 32 in a sliding manner.
Inner shrapnel 34B is C-shaped, the outer wall of movable needle 36 is provided with a mounting groove 361, and inner shrapnel 34B is clamped in mounting groove 361.
An outer spring 5 is sleeved on the outer circumference of the sleeve 11, and the outer spring 5 is in contact connection with a step on the inner wall of the outer conductor 6; the sliding body 1 is fixed with an outer spring 4 connected with the outer wall of the outer conductor 6 on the outer circumference of the sleeve 11.
Outer shell fragment 4 is the tubulose, is provided with ring groove 12 on the slip main part 1, and outer shell fragment 4 inlays and establishes in draw-in groove 12, and outer shell fragment 4 is provided with the fixture block 41 with draw-in groove 12 inner wall interference fit, and outer shell fragment 4 is provided with at least one brush portion, and the end of brush portion is provided with the contact point 42 with 6 outer wall sliding connection of outer conductor.
The fixed terminal 31 is fixed with the insulator 2 in a plastic-coated mode, and the outer wall of the insulator 2 is provided with an inner sealing ring 21 connected with the inner wall of the sleeve 11.
In the third embodiment, the first step is that,
as shown in fig. 5, the present embodiment is a modification of the first and second embodiments, and is different from the two embodiments in that an outer seal ring 13 is provided on an outer wall of the sliding body 1. The structure of the embodiment is adopted by the sliding body 1 when the connector is fixed in the external shell in a press riveting mode, and the structure of the first embodiment and the second embodiment is adopted by the sliding body 1 when the connector is fixed in the external shell in a plastic coating mode.
The two ends of the connector are respectively a socket end and a welding end, the welding end is the end provided with the outer conductor 6, the movable needle 36 and the outer conductor 6 are arranged at the same end of the connector, the end surface of the movable needle 36 and the end surface of the outer conductor 6 are both arranged to be planes, so that the movable needle 36 and the outer conductor 6 are respectively in plane contact with the inner conductive contact piece 72 and the outer conductive contact piece 71 of the PCB 7, the inner conductive contact piece 72 and the outer conductive contact piece 71 of the PCB 7 are provided with allowance for the movable needle 36 and the outer conductor 6 to move along the plane direction of the PCB 7, and when two PCBs 7 have assembly errors in the plate surface direction, the movable needle 36 and the outer conductor 6 can be conducted with the inner conductive contact piece 72 and the outer conductive contact piece 71 of the PCB 7; the outer conductor 6 and the movable pin 36 have a moving margin in the axial direction of the connector by the inner and outer springs 5, so that the connector is in a floating structure, and when two PCB boards 7 have assembly errors in the normal direction, the movable pin 36 is communicated with the fixed terminal 31, the outer conductor 6 and the sliding body 1.
The invention has reasonable structure, novel design and strong practicability, realizes that the fixed terminal 31 and the movable needle 36 are constantly kept communicated through the inner elastic sheet 34A and the inner spring 33, and realizes that the outer conductor 6 and the sliding main body 1 are constantly kept communicated through the outer elastic sheet 4 and the outer spring 5; when the PCB board 7 on one side of the connector is stressed, the inner spring 33 and the outer spring 5 are sprung/compressed under the condition that the sliding main body 1 and the movable pin 36 are stressed, and the inner spring 33 ensures that the fixed terminal 31 and the movable pin 36 are always in contact conduction through the inner elastic sheet 34A under the condition that the fixed terminal 31 and the movable pin 36 are normally conducted; the connector forms a sealed cavity inside, has good shielding effect, and ensures the stability of connector signal transmission.
The technical scope of the present invention is not limited to the above embodiments, and any modifications, equivalent variations and modifications made to the above embodiments according to the technical spirit of the present invention still fall within the technical scope of the present invention.

Claims (10)

1. The utility model provides a floating connector which characterized in that, includes slip main part, insulator, inner conductor, outer conductor, the inner conductor passes through the insulator setting in the sleeve axle center department of slip main part, outer conductor slidable cover is established on telescopic outer circumference and is kept the contact with the sleeve and switch on, the inner conductor includes fixed terminal and activity needle, fixed terminal and insulator rigid coupling, the coaxial setting of activity needle is in the one end of fixed terminal and keeps the contact with fixed terminal and switches on.
2. A floating connector as claimed in claim 1, characterized in that one end of the fixed terminal is provided as a sleeve, the movable pin is inserted into the sleeve, an inner spring is provided in the sleeve and connected to the movable pin, and an inner spring sheet is provided between the outer wall of the movable pin and the sleeve.
3. A floating connector as claimed in claim 2, characterized in that the inner spring is fixed to the outer wall of the sleeve, and that the inner spring is provided with at least one brush, the end of which is provided with a contact point for sliding connection with the outer wall of the movable pin.
4. A floating connector as claimed in claim 3, characterized in that the inner spring is tubular and the inner spring is sleeved and welded on the outer wall of the sleeve.
5. A floating connector as claimed in claim 2, characterized in that the inner spring is fixed to the movable pin, the inner spring being provided with at least one brush, the end of the brush being provided with a contact point for sliding connection with the inner wall of the sleeve.
6. A floating connector as claimed in claim 5, wherein the inner spring is C-shaped, and the outer wall of the movable pin is provided with a mounting groove, and the inner spring is clamped in the mounting groove.
7. A floating connector as claimed in claim 1, characterized in that the sleeve is provided with an outer spring around its outer circumference, said outer spring contacting a step on the inner wall of the outer conductor; the sliding main body is fixed with an outer elastic sheet connected with the outer wall of the outer conductor on the outer circumference of the sleeve.
8. The floating connector as claimed in claim 7, wherein the outer spring is tubular, the sliding body is provided with a circular slot, the outer spring is embedded in the slot, the outer spring is provided with a block that is in interference fit with an inner wall of the slot, the outer spring is provided with at least one brush portion, and a contact point that is slidably connected with an outer wall of the outer conductor is provided at an end of the brush portion.
9. A floating connector as claimed in claim 1, wherein the fixed terminal is plastic-coated with an insulator, the insulator outer wall being provided with an inner seal engaging the sleeve inner wall.
10. A floating connector as claimed in claim 1, characterized in that the outer wall of the sliding body is provided with an outer sealing ring.
CN202010143274.1A 2020-03-04 2020-03-04 Floating connector Pending CN111162398A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010143274.1A CN111162398A (en) 2020-03-04 2020-03-04 Floating connector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010143274.1A CN111162398A (en) 2020-03-04 2020-03-04 Floating connector

Publications (1)

Publication Number Publication Date
CN111162398A true CN111162398A (en) 2020-05-15

Family

ID=70566968

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010143274.1A Pending CN111162398A (en) 2020-03-04 2020-03-04 Floating connector

Country Status (1)

Country Link
CN (1) CN111162398A (en)

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