Board-to-board socket connectors and floating board-to-board connectors

Abstract

A floating board-to-board connector includes a board-to-board receptacle connector and a mating board-to-board plug connector. The board-to-board receptacle connector includes a first base, a first housing covering the first base, and a floating movable seat located within the first base. The board-to-board plug connector includes a second base and a second housing covering the second base. When the board-to-board receptacle connector and the board-to-board plug connector are mated, the spring contacts of the first housing contact the second housing. Each spring guides the insertion of the second housing and also provides signal shielding and grounding.

Claims

1. A board-to-board socket connector, comprising: A first base includes two first outer side walls and two second outer side walls, with each side of the two first outer side walls connected to each side of the two second outer side walls. The first base has a movable space between the two first outer side walls and the two second outer side walls. Each end of the first base includes a mating side and a welding side. A movable seat body is located in the movable space. The movable seat body includes two first inner side walls and two second inner side walls, with each side of the two first inner side walls connected to each side of the two second inner side walls. The movable seat body has a receiving groove between the two first inner side walls and the two second inner side walls. At least one first outer shell covers the two first outer side walls and the two second outer side walls. The at least one first outer shell includes a plurality of spring pieces located on the mating side. Each spring piece extends from the two first outer side walls, the two second outer side walls, the two first inner side walls, and the two second inner side walls to the receiving groove. Multiple socket signal terminals are located in the active space. Each socket signal terminal is connected at both ends to the first base and the movable base, and one end of each socket signal terminal extends into the receiving groove. And multiple socket power terminals, located in the active space and arranged on both sides of each socket signal terminal, with each socket power terminal having two ends connected to the first base and the movable base respectively, and one end of each socket power terminal extending to the receiving groove.

2. The board-to-board socket connector as claimed in claim 1, wherein the at least one first housing includes two first side plates with a long side and two second side plates with a short side, the two first side plates covering the two first outer side walls, the second side plates covering the two second outer side walls, and each of the springs extending outward from one end of each of the first side plates and each of the second side plates.

3. The board-to-board socket connector as described in claim 2, wherein each spring includes a bend, a spring arm, and a contact portion extending in sequence, each bend corresponding to the side ends of the two first outer sidewalls and the two second outer sidewalls, and each contact portion extending from the spring arm to the receiving groove.

4. The board-to-board socket connector as claimed in claim 3, wherein the first base has a plurality of first recesses located at the two first outer sidewalls and a plurality of second recesses located at the two second outer sidewalls.

5. The board-to-board socket connector as claimed in claim 2, wherein the at least one first housing is a single sheet bent into a rectangular structure having a mating groove.

6. The board-to-board socket connector as claimed in claim 2, wherein the at least one first housing is a rectangular structure composed of a plurality of sheets.

7. The board-to-board socket connector as claimed in claim 6, wherein the sheets include a first sheet and a second sheet connected to form an L-shaped plate, each of the first sheets covering each of the first outer sidewalls and each of the second sheets covering each of the second outer sidewalls.

8. The board-to-board socket connector as claimed in claim 2, wherein the at least one first housing includes a plurality of solder feet extending from the first side plate and the second side plate, the plurality of solder feet including a plurality of first pins and a plurality of second pins, each of the first pins being disposed on the two first side plates and each of the second pins being disposed on the two second side plates.

9. The board-to-board socket connector as claimed in claim 8, wherein the at least one first housing includes a plurality of fixing pieces disposed on the two first side plates, the first base has a plurality of first protrusions located on the two first outer side walls and a first slot located between each of the first protrusions, and each of the first pins and each of the fixing pieces are respectively engaged in the first slot.

10. The board-to-board socket connector as claimed in claim 8, wherein the first base has a plurality of second protrusions located on the two second outer sidewalls and a second slot located between each of the second protrusions, and each of the second pins is respectively engaged in the second slot.

11. The board-to-board socket connector as claimed in claim 1, wherein the movable base includes a plurality of first grooves located on the two first inner sidewalls and the two second inner sidewalls, and each spring pair is located in each of the first grooves.

12. The board-to-board socket connector as claimed in claim 1, wherein the movable base includes a tongue plate located between the two first inner sidewalls and the two second inner sidewalls, the tongue plate having a plurality of first terminal slots on both sides for providing one end of each socket signal terminal.

13. The board-to-board receptacle connector as claimed in claim 1, wherein each receptacle power terminal includes a contact section, a meandering section, and a solder section exposed on the first base, the meandering section being located between the contact section and the solder section.

14. The board-to-board receptacle connector as claimed in claim 1, wherein each receptacle signal terminal includes a contact portion, a bend portion, and a solder portion exposed on the first base, the bend portion being located between the contact portion and the solder portion.

15. A floating board-to-board connector, comprising: A board-to-board socket connector includes: a first base, including two first outer side walls and two second outer side walls, with two sides of the two first outer side walls respectively connected to two sides of the two second outer side walls; the first base has a movable space between the two first outer side walls and the two second outer side walls; and two ends of the first base include a mating side and a soldering side, respectively; a movable seat body located in the movable space, the movable seat body including two first inner side walls and two second inner side walls, with two sides of the two first inner side walls respectively connected to two sides of the two second inner side walls; and a receiving groove between the two first inner side walls and the two second inner side walls; and at least one first housing covering the two first outer side walls and the two second outer side walls, the at least one first housing including a plurality of spring contacts located on the mating side, each spring contact extending from the two first outer side walls, the two second outer side walls, the two first inner side walls, and the two second inner side walls to the receiving groove; Multiple socket signal terminals are located in the movable space, with each socket signal terminal having two ends connected to the first base and the movable base, and one end of each socket signal terminal extending into the receiving groove; and multiple socket power terminals are located in the movable space and disposed on both sides of each socket signal terminal, with each socket power terminal having two ends connected to the first base and the movable base, and one end of each socket power terminal extending into the receiving groove; and a board-to-board plug connector, comprising: a second base, inserted into the receiving groove, the second base including two first outer side walls and two second outer side walls, with two sides of the two first outer side walls respectively connected to two sides of the two second outer side walls, the second base having a mating space between the two first outer side walls and the two second outer side walls, and two ends of the second base including a mating side and a soldering side; a second housing covering the two first outer side walls and the two second outer side walls of the second base, the second housing being adapted to be inserted into the receiving groove and contact each of the spring contacts; Multiple plug signal terminals are located on the second base. One end of each plug signal terminal is disposed on the inner side of the two first outer side walls and the two second outer side walls and contacts one end of each socket signal terminal. The other end of each plug signal terminal is exposed on the second base. A plurality of plug power terminals are located on the second base and disposed on both sides of each plug signal terminal. One end of each plug power terminal is disposed on the inner side of the two first outer side walls and the two second outer side walls and contacts one end of each socket power terminal. The other end of each plug power terminal is exposed on the second base.

16. The floating board-to-board connector as claimed in claim 15, wherein the second base has a plurality of latches located on the two first outer sidewalls and the two second outer sidewalls and a limiting groove located between each of the latches, and the second housing is latched into each of the limiting grooves.

17. The floating board-to-board connector as described in claim 16, wherein the second base is provided with a plurality of positioning slots at both ends communicating with the limiting slot, and the second housing has a plurality of pins at both ends exposed in each of the positioning slots.

18. The floating board-to-board connector as claimed in claim 17, wherein the second base has a recess on each of its two side walls located between the two pins, the locking block engages with the recess, and each pin engages with the respective positioning groove.

19. The floating board-to-board connector as claimed in claim 15, wherein the plug power terminal includes a contact section located in the mating space, a connecting section fixed to the second base, and a solder section exposed in the second base, the connecting section being located between the contact section and the solder section.

20. The floating board-to-board connector as claimed in claim 15, wherein the plug signal terminal includes a contact portion located in the mating space, a connecting portion fixed to the second base, and a solder portion exposed in the second base, the connecting portion being located between the contact portion and the solder portion.

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