CN210897709U - Floating board-to-board radio frequency connector - Google Patents
Floating board-to-board radio frequency connector Download PDFInfo
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- CN210897709U CN210897709U CN201922429059.3U CN201922429059U CN210897709U CN 210897709 U CN210897709 U CN 210897709U CN 201922429059 U CN201922429059 U CN 201922429059U CN 210897709 U CN210897709 U CN 210897709U
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Abstract
The utility model relates to a floating board is to board radio frequency connector, including stiff end, expansion end, the stiff end includes from inside to outside in proper order concentric fixed terminal, insulator and the fixed main part that sets up, and the expansion end includes sleeve and activity main part, and fixed terminal passes through the insulator rigid coupling inside fixed main part, and the sleeve cover is established on the outer circumference of fixed terminal and with fixed terminal sliding contact, and activity main part cover is established on the outer circumference of fixed main part and with fixed main part sliding contact, is provided with first spring between sleeve and the fixed terminal, sets up the second spring between activity main part and the fixed main part. The utility model discloses a couple of fixed main part slides in the sleeve guide slot and can not separate with the guide slot under the restriction at guide slot edge, and the sleeve bottom is through the contact shell fragment that turns up the formation and have the inclined plane, play the guide effect when assembling with the fixed terminal and with fixed terminal outer wall sliding contact, realize switching on, make activity main part and base plate B outer welding plate more balanced when to the timing through the bump.
Description
Technical Field
The utility model relates to a radio frequency connector technical field, in particular to allow floating board to board radio frequency connector of equipment error between PCB board.
Background
Radio frequency coaxial connectors, simply RF connectors, are generally considered to be a component attached to a cable or mounted on an instrument, acting as a bridge to transmit electrical connections or separations. UHF connectors appeared in 1930 as the earliest RF connectors. Radio frequency connectors have multiple specifications, electrical characteristics are guaranteed mainly by mechanical structures, and the development of over eighty years makes the radio frequency connectors form independent and complete professional systems, become important components in connector families, and become indispensable key elements of coaxial transmission systems.
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 two base plates and connector connection, hypoplastron connector when the skew takes place for a plurality of upper plate connectors and hypoplastron connector position, 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.
SUMMERY OF THE UTILITY MODEL
In order to overcome the not enough of prior art, the utility model provides a floating board is to board radio frequency connector.
In order to achieve the above purpose, the utility model provides a technical scheme does: floating board is to board radio frequency connector, including stiff end, expansion end, the stiff end includes from inside to outside in proper order concentric fixed terminal, insulator and the fixed main part that sets up, the expansion end includes sleeve and activity main part, fixed terminal passes through the insulator rigid coupling inside fixed main part, the sleeve cover establish outside fixed terminal outer circumference and with fixed terminal sliding contact, the activity main part cover establish fixed main part outer circumference and with fixed main part sliding contact, be provided with first spring between sleeve and the fixed terminal, be provided with the second spring between activity main part and the fixed main part.
In the above technical scheme, the terminal surface of the nearly fixed main part side of activity main part is provided with the boss inwards, the nearly activity main part side of fixed main part is provided with the couple, the lateral wall of couple is provided with the sliding part with activity main part inner wall sliding contact, the lower extreme of couple is provided with the restriction portion of restricting the activity main part degree of freedom with the cooperation of boss inner wall.
In the technical scheme, an elastic contact is further arranged on the side, close to the movable main body, of the fixed main body, and the elastic contact is in sliding contact with the inner wall of the movable main body; the boss is provided with a clearance gap.
In the above technical scheme, the fixed main body is provided with the supporting legs at the side away from the movable main body, and the second spring is sleeved on the fixed main body and is located between the supporting legs and the boss.
In the above technical solution, a protruding point is provided on an end surface of the movable body away from the fixed body side.
In the above technical scheme, a contact elastic sheet is arranged on the side of the sleeve close to the fixed terminal, and the contact elastic sheet is provided with an inclined surface in sliding contact with the outer wall of the fixed terminal.
In the above technical solution, the sleeve is further provided with an elastic wall on a side close to the fixed terminal, and an inner side surface of the elastic wall is in sliding contact with an outer wall of the fixed terminal.
In the above technical scheme, a fixture block is arranged on the side, close to the sleeve, of the fixed terminal, a guide groove is formed in the side wall of the sleeve in the axial direction, and the fixture block is arranged in the guide groove and moves along the guide groove.
In the above technical scheme, the end of the sleeve, which is far away from the fixed terminal, is set to be a closed end, the inner wall of the fixed terminal is provided with a step, and the first spring is arranged inside the sleeve and the fixed terminal and is located between the closed end of the sleeve and the step of the fixed terminal.
In the above technical solution, the outer wall of the fixed terminal is provided with a projection embedded in the inner wall of the insulator.
The utility model has the advantages that the structure is reasonable, the design is novel, the practicability is strong, the fixed main body and the fixed terminal of the fixed end are respectively welded with the outer welding disc and the inner welding disc of the base plate A to realize the conduction, and the movable main body and the sleeve of the movable end are respectively welded with the outer welding disc and the inner welding disc of the base plate B to realize the conduction; the hook of the fixed main body slides in the guide groove of the sleeve and cannot be separated from the guide groove under the limitation of the edge of the guide groove; the bottom of the sleeve is turned outwards to form a contact elastic sheet with an inclined plane, the contact elastic sheet plays a role in guiding when being assembled with the fixed terminal and is in sliding contact with the outer wall of the fixed terminal to realize conduction, and meanwhile, the inner side surface of the elastic wall is in sliding contact with the outer wall of the fixed terminal, so that the elastic wall and the fixed terminal are always in elastic lap joint to provide continuous and reliable electric contact; elastic contact and couple are simultaneously with the inner wall sliding contact of activity main part, realize electric contact, switch on, make the outer pad of activity main part and base plate B more balanced when timing through the bump.
Drawings
Fig. 1 is an exploded schematic view of a first embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a first spring and a second spring of the present invention in an uncompressed state.
Fig. 3 is a schematic structural view (another view direction of fig. 2) illustrating a first and second springs in an uncompressed state according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of the first and second springs according to the embodiment of the present invention in a compressed state.
Fig. 5 is a schematic cross-sectional view illustrating the first and second springs in an uncompressed state according to an embodiment of the present invention.
Fig. 6 is a schematic cross-sectional view illustrating the first and second springs in a compressed state according to an embodiment of the present invention.
Fig. 7 is a schematic view of a fixing main body structure according to a second embodiment of the present invention.
In the figure: 1. a movable body; 11. salient points; 12. a boss; 13. a notch; 2. a sleeve; 21. a closed end; 22. a guide groove; 23. a contact spring; 24. a resilient wall; 3. a first spring; 4. a fixed terminal; 41. a clamping block; 42. a bump; 43. a step; 5. a second spring; 6. an insulator; 7. a fixed body; 71. hooking; 711. a sliding part; 712. a limiting part; 72. supporting legs; 73. an elastic contact; 101. a substrate B; 102. a substrate A; 103. an outer pad; 104. and an inner pad.
Detailed Description
The 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. 1-6, the floating board-to-board radio frequency connector includes a fixed end and a movable end, the fixed end includes a fixed terminal 4, an insulator 6 and a fixed main body 7 concentrically arranged from inside to outside in sequence, the movable end includes a sleeve 2 and a movable main body 1, the fixed terminal 4 is fixedly connected inside the fixed main body 7 through the insulator 6, the sleeve 2 is sleeved on the outer circumference of the fixed terminal 4 and slidably contacts with the fixed terminal 4, the movable main body 1 is sleeved on the outer circumference of the fixed main body 7 and slidably contacts with the fixed main body 7, a first spring 3 is arranged between the sleeve 2 and the fixed terminal 4, and a second spring 5 is arranged between the movable main body 1 and the fixed main body 7.
The end surface of the movable body 1 near the fixed body 7 is provided with a boss 12 inwards, the fixed body 7 near the movable body 1 is provided with a hook 71, the side wall of the hook 71 is provided with a sliding part 711 in sliding contact with the inner wall of the movable body 1, and the lower end of the hook 71 is provided with a limiting part 712 which cooperates with the inner wall of the boss 12 to limit the freedom degree of the movable body 1.
The fixed body 7 is also provided with an elastic contact 73 near the movable body 1, and the elastic contact 73 is in sliding contact with the inner wall of the movable body 1; the boss 12 is provided with a clearance gap 13.
The side of the fixing main body 7, which is far away from the movable main body 1, is provided with a supporting leg 72 connected with an outer welding disc 103 of the substrate A (102), and the second spring 5 is sleeved on the fixing main body 7 and is positioned between the supporting leg 72 and the boss 12.
The end surface of the movable body 1 on the side away from the fixed body 7 is provided with a bump 11 connected to an outer pad 103 of the substrate B (101).
The side of the sleeve 2 close to the fixed terminal 4 is provided with a contact elastic sheet 23, and the contact elastic sheet 23 is provided with an inclined plane which is in sliding contact with the outer wall of the fixed terminal 4.
The fixed terminal 4 is provided with a latch 41 near the sleeve 2 side, the side wall of the sleeve 2 is provided with a guide groove 22 along the axial direction, and the latch 41 is arranged in the guide groove 22 and moves along the guide groove 22.
One end of the sleeve 2, which is far away from the fixed terminal 4, is set to be a closed end 21, a step 43 is arranged on the inner wall of the fixed terminal 4, and the first spring 3 is arranged inside the sleeve 2 and the fixed terminal 4 and is positioned between the closed end 21 of the sleeve 2 and the step 43 of the fixed terminal 4.
The outer wall of the fixed terminal 4 is provided with a projection 42 embedded in the inner wall of the insulator 6.
In the second embodiment, the first embodiment of the method,
as shown in fig. 7, the difference from the first embodiment is that the fixing body 7 is provided with only the hook 71 near the movable body 1, and there is no elastic contact 73, and meanwhile, the boss 12 is a complete circle and is not provided with the clearance gap 13.
In the third embodiment, the first step is that,
the difference from the first and second embodiments is that the end surface of the movable body 1 on the side away from the fixed body 7 is a flat surface, and the protruding points 11 are not provided.
In the fourth embodiment, the first step is that,
as a further improvement to the first embodiment, the side of the sleeve 2 close to the fixed terminal 4 is further provided with an elastic wall 24, and the inner side surface of the elastic wall 24 is in sliding contact with the outer wall of the fixed terminal 4, so that the elastic wall 24 and the fixed terminal 4 are always in elastic overlapping, continuous and reliable electrical contact is provided, and the sleeve 2 and the fixed terminal 4 are always conducted.
The first and second springs are not compressed: the first spring 3 in the sleeve 2 springs open the sleeve 2, the fixed terminal 4 is hung on the lower edge of the guide groove 22 of the sleeve 2 through the fixture block 41, so that the sleeve 2 and the fixed terminal 4 cannot be separated, the second spring 5 outside the fixed main body 7 springs open the movable main body 1, and the hook 71 of the fixed main body 7 is hung on the inner side of the boss 12 of the movable main body 1, so that the fixed main body 7 and the movable main body 1 cannot be separated.
Under the compression state of the first spring and the second spring: the substrate A (102) or the substrate B (101) is compressed, the movable body 1 and the sleeve 2 move together under the condition of stress, and a sealed cavity is formed inside the connector, so that the connector has a good shielding effect.
In actual production, two PCB boards, namely a substrate A (102) and a substrate B (101), have movement amounts within a certain range in the plane direction of the board and the axial direction of the connector, the movement amounts are called as errors in manufacturing and assembling, and the errors can cause the conventional board-to-board connector to fail, the utility model discloses can overcome such errors and work normally, through the movable main body 1 with the salient points 11 and the sleeve 2 closed end 21 with the middle bulge, the movable end of the connector is connected with the substrate B (101) in a point contact manner, and when the movement amount of the substrate B (101) in the plane direction of the board is smaller than the area of the inner pad 104, the connection with the movable end can be realized after the welding and fixing; the distance between the movable end and the fixed end can be adjusted through the floating movable end and the floating fixed end, and the base plate A (102) and the base plate B (101) are also conducted when the axial direction of the connector has errors.
The utility model has the advantages of reasonable structure, novel design, the practicality is strong, with the fixed main part 7 and the fixed terminal 4 of stiff end respectively with the outer bonding pad 103 of base plate A (102), interior bonding pad 104 welds, realize switching on, with the activity main part 1 and the sleeve 2 of expansion end respectively with the outer bonding pad 103 of base plate B (101), interior bonding pad 104 welds, realize switching on, couple 71 of fixed main part 7 slides in sleeve 2 guide slot 22 and can not separate with guide slot 22 under the restriction at guide slot 22 edge, sleeve 2 bottom forms the contact shell fragment 23 that has the inclined plane through turning up, play the guide effect when assembling with fixed terminal 4, and with the outer wall sliding contact of fixed terminal 4, realize switching on; meanwhile, the inner side surface of the elastic wall 24 is in sliding contact with the outer wall of the fixed terminal 4, so that the elastic wall 24 and the fixed terminal 4 are always in elastic lap joint, and continuous and reliable electric contact is provided; the elastic contact 73 and the hook 71 are in sliding contact with the inner wall of the movable body 1 at the same time, so that electric contact and conduction are realized, and the movable body 1 and the outer pad 103 of the substrate B (101) are more balanced in matching through the salient points 11.
The above is not intended to limit the technical scope of the present invention, and any modifications, equivalent changes and modifications to the above embodiments are all within the scope of the present invention.
Claims (10)
1. Floating board is to board radio frequency connector, its characterized in that, including stiff end, expansion end, the stiff end includes from inside to outside in proper order concentric fixed terminal, insulator and the fixed main part that sets up, the expansion end includes sleeve and activity main part, fixed terminal passes through the insulator rigid coupling inside fixed main part, the sleeve cover establish outside fixed terminal on the circumference and with fixed terminal sliding contact, the activity main part cover establish fixed main part on the circumference and with fixed main part sliding contact, be provided with first spring between sleeve and the fixed terminal, be provided with the second spring between activity main part and the fixed main part.
2. The floating board-to-board radio frequency connector according to claim 1, wherein the end surface of the movable body near the fixed body side is inwardly provided with a boss, the fixed body near the movable body side is provided with a hook, the side wall of the hook is provided with a sliding portion in sliding contact with the inner wall of the movable body, and the lower end of the hook is provided with a limiting portion cooperating with the inner wall of the boss to limit the degree of freedom of the movable body.
3. The floating board-to-board radio frequency connector of claim 2, wherein the fixed body is further provided with a resilient contact on the side near the movable body, the resilient contact being in sliding contact with the inner wall of the movable body; the boss is provided with a clearance gap.
4. The floating plate-to-plate radio frequency connector according to claim 1, wherein the fixed body is provided with a support leg at a side thereof away from the movable body, and the second spring is sleeved on the fixed body and located between the support leg and the boss.
5. The floating board-to-board radio frequency connector of claim 1, wherein the end surface of the movable body away from the fixed body side is provided with a bump.
6. The floating board-to-board radio frequency connector according to claim 1, wherein the sleeve is provided with a contact spring on a side thereof near the fixed terminal, the contact spring being provided with an inclined surface which is in sliding contact with an outer wall of the fixed terminal.
7. The floating board-to-board radio frequency connector of claim 6, wherein said sleeve is further provided with a resilient wall on the side near the fixed terminal, the inner side of said resilient wall being in sliding contact with the outer wall of the fixed terminal.
8. The floating board-to-board radio frequency connector of claim 1, wherein the fixed terminal is provided with a latch on a side thereof near the sleeve, the sleeve has a guide slot formed on a side wall thereof along the axial direction, and the latch is disposed in and moves along the guide slot.
9. The floating board-to-board radio frequency connector of claim 1, wherein the end of the sleeve away from the fixed terminal is provided as a closed end, the fixed terminal inner wall is provided with a step, and the first spring is disposed inside the sleeve and the fixed terminal and between the sleeve closed end and the fixed terminal step.
10. The floating board-to-board radio frequency connector of claim 1, wherein the fixed terminal outer wall is provided with a bump embedded in the insulator inner wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922429059.3U CN210897709U (en) | 2019-12-30 | 2019-12-30 | Floating board-to-board radio frequency connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922429059.3U CN210897709U (en) | 2019-12-30 | 2019-12-30 | Floating board-to-board radio frequency connector |
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| Publication Number | Publication Date |
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| CN210897709U true CN210897709U (en) | 2020-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922429059.3U Active CN210897709U (en) | 2019-12-30 | 2019-12-30 | Floating board-to-board radio frequency connector |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022233188A1 (en) * | 2021-05-06 | 2022-11-10 | 菲尼克斯亚太电气（南京）有限公司 | Board end connector for flexible connection with pcb |
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2019
- 2019-12-30 CN CN201922429059.3U patent/CN210897709U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022233188A1 (en) * | 2021-05-06 | 2022-11-10 | 菲尼克斯亚太电气（南京）有限公司 | Board end connector for flexible connection with pcb |
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| GR01 | Patent grant | ||
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| CP03 | Change of name, title or address |
Address after: 523000, No. 51 Jinchuan Road, Xiegang Town, Dongguan City, Guangdong Province Patentee after: Dongguan Linjiwei Technology Co.,Ltd. Country or region after: China Address before: No.12-523000, Yugang Town, Fengquan City, Guangdong Province Patentee before: DONGGUAN LINJVE INDUSTRY INVESTMENTS Co.,Ltd. Country or region before: China |
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| CP03 | Change of name, title or address |