CN220475016U - Floating type board-to-board connector - Google Patents
Floating type board-to-board connector Download PDFInfo
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- CN220475016U CN220475016U CN202322169264.7U CN202322169264U CN220475016U CN 220475016 U CN220475016 U CN 220475016U CN 202322169264 U CN202322169264 U CN 202322169264U CN 220475016 U CN220475016 U CN 220475016U
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- 239000012212 insulator Substances 0.000 claims abstract description 43
- 210000001503 joint Anatomy 0.000 claims abstract description 34
- 238000009434 installation Methods 0.000 claims description 8
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 238000006073 displacement reaction Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000005452 bending Methods 0.000 description 3
- 230000013011 mating Effects 0.000 description 3
- 238000002513 implantation Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The application discloses a floating board-to-board connector, which comprises a fixed insulator, a floating insulator and a plurality of terminals, wherein the fixed insulator is provided with an assembly hole, the floating insulator is provided with a butt joint cavity, the terminals comprise a first fixed section, a first elastic section, a second elastic section, a third elastic section, a fourth elastic section, a fifth elastic section, a second fixed section and a butt joint section, the first fixed section is fixedly combined with the outer surface of a side wall, the first elastic section extends from the first fixed section and is positioned below the lower surface, the second elastic section extends from the first elastic section and is positioned at the inner side of a connecting surface, the third elastic section extends from the second elastic section and is positioned below a limiting surface, the fourth elastic section extends downwards from the third elastic section, the fifth elastic section extends from the fourth elastic section further along the width direction, the second fixed section extends upwards from the fifth elastic section, and the butt joint section extends from the end of the second fixed section; the second fixing section is fixed with the floating insulator, and the butt joint section penetrates through the floating insulator from bottom to top and at least partially elastically protrudes into the butt joint cavity.
Description
Technical Field
The application belongs to the technical field of connectors, and particularly relates to a floating type board-to-board connector.
Background
Besides complex and changeable application scenes and multi-module integration, the board-to-board connector also presents the phenomenon that the used signals develop to 10Gbps or more at higher frequency due to the development trend of electronic products, and therefore, higher requirements are also provided for the transmission rate requirements of the connector in the connection scenes of the board-to-board connector.
With reference to the related art in chinese patent No. CN217691723U, such a floating board-to-board connector can effectively prevent damage to various components (such as solder joints and other connector interfaces) on the PCB by means of a floating structure inside the connector, and particularly eliminates misalignment in the "x" and "y" directions during the PCB mounting and assembly process. Generally, a floating board-to-board connector is composed of one or more terminal connection fixing housings with elastic structures and a movable housing, and is fixed on a PCB board, and the movable housing is movable relative to the fixing housing to solve the relative positional deviation occurring when assembling the connector assembly, which has a certain influence on the function of the product.
However, in the conventional floating board-to-board connector, because of the design of the floating structure, the fixing manner of the terminals and the insulator and the structural form of the terminals directly affect the overall structural stability and the difficulty of production and assembly of the connector.
Disclosure of Invention
The present application is directed to a novel floating board-to-board connector that is structurally stable and easy to assemble as a whole.
In order to achieve the above purpose, the present application provides the following technical solutions:
a floating board-to-board connector comprising:
the fixed insulator is provided with an assembly hole penetrating along the up-down direction and comprises two side walls extending along the length direction and two end walls connecting the two side walls and extending along the width direction;
the side walls are provided with lower surfaces, a limiting surface is formed by digging upwards on one side of the lower surfaces, which is close to the assembly holes, the limiting surface is positioned above a plane where the lower surfaces are positioned, a displacement space is formed below the limiting surface, and a connecting surface is formed by the step difference between the limiting surface and the lower surfaces;
the floating insulator is implanted in the assembly hole and is formed with a top surface, an outer peripheral surface and a bottom surface, annular floating gaps are formed between the outer peripheral surface and the inner wall surface of the assembly hole at intervals, and the top surface is downwards recessed to form a butt joint cavity;
each terminal comprises a first fixed section, a first elastic section, a second elastic section, a third elastic section, a fourth elastic section, a fifth elastic section, a second fixed section and a butt section, wherein the first fixed section is fixedly connected to the outer surface of the side wall, the first elastic section extends from the first fixed section and is positioned below the lower surface, the second elastic section extends from the first elastic section and is positioned at the inner side of the connecting surface, the third elastic section extends from the second elastic section and is positioned below the limiting surface, the fourth elastic section extends from the third elastic section downwards, the fifth elastic section further extends along the width direction, the second fixed section extends from the fifth elastic section upwards, and the butt section extends from the end part of the second fixed section;
the second fixing section is fixed with the floating insulator, and the butt joint section penetrates through the floating insulator from bottom to top and at least partially elastically protrudes into the butt joint cavity.
Further, the first fixing section, the first elastic section and the second elastic section are integrally connected and are approximately U-shaped; the second elastic section, the third elastic section and the fourth elastic section are integrally connected and are approximately n-shaped; the fourth elastic section, the fifth elastic section and the second fixing section are integrally connected and are approximately U-shaped.
Further, a floating gap is provided between the first elastic section and the lower surface.
Further, a floating gap is arranged between the second elastic section and the connecting surface.
Further, a floating gap is arranged between the third elastic section and the limiting surface.
Further, the fourth elastic section and the fifth elastic section are suspended.
Further, the floating insulator comprises a bottom plate, a pair of side walls and a pair of end walls, wherein the side walls and the end walls are formed by extending upwards from the edge of the bottom plate; the pair of side walls correspond to the two side walls, the pair of end walls correspond to the two end walls, and the pair of side walls, the pair of end walls and the bottom plate are jointly enclosed to form the butt joint cavity; the terminal installation grooves penetrate through the side walls and the side wall connection positions in the vertical direction, the second fixing sections are assembled and fixed in the installation grooves, and fixing barbs clamped into the inner walls of the installation grooves are formed on the edges of the second fixing sections in a protruding mode.
Further, the inner side surface of the side wall is inwards recessed to form a plurality of butt joint abdicating grooves, each butt joint abdicating groove is communicated with the mounting groove in a one-to-one correspondence mode, and at least part of the butt joint section protrudes into the butt joint cavity through the butt joint abdicating groove and can elastically deform along the width direction.
Further, the second fixing section is fixed with the inner wall of the installation groove along the length direction, and the second fixing section is spaced from the inner wall of the installation groove along the width direction.
Furthermore, an inclined guide surface is formed at the upper end position of the side wall, the upper end edge of the butt joint section is bent to form a matching inclined section, and the matching inclined section is positioned below the plane where the inclined guide surface is positioned.
Compared with the prior art, the beneficial effects of this application are: the whole structure is stable and easy to assemble.
Drawings
Fig. 1 is a schematic perspective view of a floating board-to-board connector of the present application.
Fig. 2 is a schematic perspective view of the floating board-to-board connector of fig. 1 from another angle.
Fig. 3 is a top view of the floating board-to-board connector of fig. 1.
Fig. 4 is an exploded perspective view of the floating board-to-board connector of fig. 1.
Fig. 5 is a cross-sectional view taken along line A-A in fig. 3.
Fig. 6 is a sectional view taken along line B-B in fig. 3.
Fig. 7 is a partially exploded perspective view of the floating board-to-board connector of fig. 2.
Fig. 8 is an enlarged view of the structure within the dashed box in fig. 5.
Fig. 9 is an enlarged view of the structure within the dashed box in fig. 2.
Fig. 10 is an enlarged view of the inner structure of the broken coil in fig. 5.
Fig. 11 is a schematic perspective view of a terminal of the floating board-to-board connector of the present application.
Detailed Description
The following description of the technical solutions in the embodiments of the present application will be made clearly and completely with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.
For the sake of accuracy of the description throughout, all directional references throughout this application refer to fig. 1, in which: defining the direction of the X axis as the length direction; defining the direction of the Y axis as the up-down direction, wherein the positive direction of the Y axis is up; the direction in which the Z axis is located is defined as the width direction.
Referring to fig. 1 to 11, a floating board-to-board connector disclosed in the present application includes a fixed insulator 1, a floating insulator 2, a plurality of terminals 3 and a mounting board module 4 (such as a docking circuit board in an electronic device). Wherein an assembly hole 10 penetrating in the up-down direction is formed in the middle of the fixed insulator 1, and an annular butt joint surface 11 surrounding the position of the assembly hole 10 and an annular assembly surface 12 formed by sinking the periphery of the annular butt joint surface 11 are formed on the upper surface of the fixed insulator 1.
Referring to fig. 3 to 7, the fixed insulator 1 has a rectangular frame shape in a plan view, and the fixed insulator 1 includes two side walls 101 extending in a longitudinal direction and two end walls 102 connecting ends of the two side walls 101 and extending in a width direction. Each side wall 101 is formed with a lower surface 13, a limiting surface 14 is formed by digging upwards on one side of the lower surface 13 close to the assembly hole 10, the limiting surface 14 is located above the plane of the lower surface 13, and a displacement space 140 is formed below the limiting surface 14. The step between the limit surface 14 and the lower surface 13 forms a connection surface 15.
Referring to fig. 4 to 7, the floating insulator 2 is implanted in the assembly hole 10. The floating insulator 2 is formed with a top surface 21, an outer peripheral surface 22, and a bottom surface 23. The outer peripheral surface 22 and the inner wall surface of the assembly hole 10 are arranged at intervals to form an annular floating gap 120, and the top surface 21 is recessed downwards to form a butt joint cavity 20. Specifically, the floating insulator 2 includes a bottom plate 201, a pair of side walls 202 and a pair of end walls 203 formed by extending upward from the edge of the bottom plate 201, where a pair of side walls 202 corresponds to the two side walls 101, a pair of end walls 203 corresponds to the end walls 102, and the pair of side walls 202, the pair of end walls 203 and the bottom plate 201 together enclose the butt-joint cavity 20 with an upward opening. The mating cavity 20 is for mating insertion of a mating connector. The floating insulator 2 protrudes upward from the assembly hole 10, and the top surface 21 is located above the plane of the annular abutting surface 11.
Referring to fig. 4, 6 and 7, the outer peripheral surfaces 22 of the two ends of the floating insulator 2 along the length direction (i.e. the outer surfaces of the end walls 203) are protruded outwards to form the lugs 24, and the lugs 24 are located near the lower surface along the up-down direction. In one embodiment, the ears 24 are directly limited upwardly to the lower surface of the fixed insulator 1. In another embodiment, the fixed insulator 1 is provided with a limiting groove 101 by digging upwards the lower surfaces of the two ends along the length direction, and the ear 24 is floatingly limited in the limiting groove 101. In order to further limit the floating insulator 2 in the up-down direction, in particular to limit the excessive displacement in the down direction, in one embodiment, it may further comprise at least one stopper (not shown), preferably two, which is fixed or integral with the fixed insulator 1 and which is limited to the lower surface of the floating insulator 2 or the lower surface of the ear 24. For example, the limiting member may be an L-shaped metal bending piece, the lower surfaces (annular lower surfaces 13) of the two ends of the fixed insulator 1 in the length direction are provided with implantation grooves, and the L-shaped metal bending piece is fixedly implanted in the implantation grooves and limits the downward excessive movement of the ear 24 of the floating insulator 2.
Referring to fig. 4, 5, 8-11, the terminal 3 is fixed by assembling and fixing the insulator 1 and the floating insulator 2. Each of the terminals 3 includes a first fixing section 31 integrally fixed to the outer surface 16 of the side wall 101, a first elastic section 331 extending from one end of the first fixing section 31 and located below the lower surface 13, a second elastic section 332 extending upward from the first elastic section 331 and located inside the connecting surface 15, a third elastic section 333 extending from the second elastic section 332 and located below the stopper surface 14, a fourth elastic section 334 extending downward from the third elastic section 333, a fifth elastic section 335 extending further in the width direction from the fourth elastic section 334, a second fixing section 32 extending upward from the fifth elastic section 335, and a butt section 35 extending from the end of the second fixing section 32. In this embodiment, the first elastic section 331, the second elastic section 332, the third elastic section 333, the fourth elastic section 334, and the fifth elastic section 335 form the floating deformation section 33. Further, each of the terminals 3 further includes a contact section 34 formed by extending from the other end of the first fixing section 31. The first fixing section 31 is fixed to the fixed insulator 1, the second fixing section 32 is fixed to the floating insulator 2, at least a portion of the abutting section 35 elastically protrudes into the abutting cavity 20, and at least a portion of the floating deformation section 33 is located in the displacement space 140.
Referring to fig. 5, 10 and 11, the first fixing section 31, the first elastic section 331 and the second elastic section 332 are substantially U-shaped; the second elastic section 332, the third elastic section 333, and the fourth elastic section 334 are substantially n-shaped; the fourth elastic section 334, the fifth elastic section 335 and the second fixing section 32 are substantially U-shaped. A floating gap is provided between the first elastic section 331 and the lower surface 13. A floating gap is provided between the second elastic section 332 and the connection surface 15. A floating gap is arranged between the third elastic section 333 and the limiting surface 14. The fourth elastic section 334 and the fifth elastic section 335 are suspended (that is, the fourth elastic section 334 and the fifth elastic section 335 are preferably not in contact with the fixed insulator 1 and the floating insulator 2).
Referring to fig. 5 and fig. 8 to fig. 10, a plurality of terminal mounting grooves 204 are formed in the connecting position of the side wall 202 and the side wall 101 of the floating insulator 2 along the vertical direction, the second fixing section 32 is assembled and fixed in the mounting groove 204, and fixing barbs that are clamped into the inner wall of the mounting groove 204 are formed on the edge of the second fixing section 32. The inner side surface of the side wall 202 is recessed inwards to form a plurality of butt joint abdication grooves 205, each butt joint abdication groove 205 is communicated with the corresponding mounting groove 204 in a one-to-one correspondence manner, and at least part of the butt joint section 35 protrudes into the butt joint cavity 20 from the butt joint abdication groove 205 and can elastically deform along the width direction. The second fixing section 32 is fixed to the inner wall of the mounting groove 204 along the length direction, and the second fixing section 32 is spaced from the inner wall of the mounting groove 204 along the width direction.
Further, an inclined guiding surface 2021 inclined toward the inside of the cavity 20 is formed at the upper end of the side wall 202, a matching inclined section 351 is formed by bending the upper end edge of the abutting section 35, and the matching inclined section 351 is located below the plane of the inclined guiding surface 2021.
Referring to fig. 1 to 6, the mounting plate module 4 is formed with a carrier hole 41, and the carrier hole 41 is sleeved on the outer periphery of the fixed insulator 1 and is supported on the annular assembly surface 12. The annular abutment surface 11 is flush with the upper surface of the mounting plate module 4. At least part of the abutting section 35 extends upwards beyond the plane of the upper surface of the mounting board module 4 but not beyond the plane of the top surface 21, and the contact section 34 is electrically connected to the lower surface of the mounting board module 4. Further, a welding piece 121 is implanted on the annular assembling surface 12 at the position of the end wall 102, and the welding piece 121 is used for being welded and fixed with the mounting plate module 4.
Although embodiments of the present application 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 application, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A floating board-to-board connector, comprising:
the fixed insulator is provided with an assembly hole penetrating along the up-down direction and comprises two side walls extending along the length direction and two end walls connecting the two side walls and extending along the width direction;
the side walls are provided with lower surfaces, a limiting surface is formed by digging upwards on one side of the lower surfaces, which is close to the assembly holes, the limiting surface is positioned above a plane where the lower surfaces are positioned, a displacement space is formed below the limiting surface, and a connecting surface is formed by the step difference between the limiting surface and the lower surfaces;
the floating insulator is implanted in the assembly hole and is formed with a top surface, an outer peripheral surface and a bottom surface, annular floating gaps are formed between the outer peripheral surface and the inner wall surface of the assembly hole at intervals, and the top surface is downwards recessed to form a butt joint cavity;
each terminal comprises a first fixed section, a first elastic section, a second elastic section, a third elastic section, a fourth elastic section, a fifth elastic section, a second fixed section and a butt section, wherein the first fixed section is fixedly connected to the outer surface of the side wall, the first elastic section extends from the first fixed section and is positioned below the lower surface, the second elastic section extends from the first elastic section and is positioned at the inner side of the connecting surface, the third elastic section extends from the second elastic section and is positioned below the limiting surface, the fourth elastic section extends from the third elastic section downwards, the fifth elastic section further extends along the width direction, the second fixed section extends from the fifth elastic section upwards, and the butt section extends from the end part of the second fixed section;
the second fixing section is fixed with the floating insulator, and the butt joint section penetrates through the floating insulator from bottom to top and at least partially elastically protrudes into the butt joint cavity.
2. The floating board-to-board connector of claim 1, wherein:
the first fixing section, the first elastic section and the second elastic section are integrally connected and are approximately U-shaped;
the second elastic section, the third elastic section and the fourth elastic section are integrally connected and are approximately n-shaped;
the fourth elastic section, the fifth elastic section and the second fixing section are integrally connected and are approximately U-shaped.
3. The floating board-to-board connector of claim 1, wherein: a floating gap is arranged between the first elastic section and the lower surface.
4. The floating board-to-board connector of claim 1, wherein: a floating gap is arranged between the second elastic section and the connecting surface.
5. The floating board-to-board connector of claim 1, wherein: and a floating gap is arranged between the third elastic section and the limiting surface.
6. The floating board-to-board connector of claim 1, wherein: the fourth elastic section and the fifth elastic section are suspended.
7. The floating board-to-board connector of claim 1, wherein: the floating insulator comprises a bottom plate, a pair of side walls and a pair of end walls, wherein the side walls and the end walls are formed by extending upwards from the edge of the bottom plate;
the pair of side walls correspond to the two side walls, the pair of end walls correspond to the two end walls, and the pair of side walls, the pair of end walls and the bottom plate are jointly enclosed to form the butt joint cavity;
the terminal installation grooves penetrate through the side walls and the side wall connection positions in the vertical direction, the second fixing sections are assembled and fixed in the installation grooves, and fixing barbs clamped into the inner walls of the installation grooves are formed on the edges of the second fixing sections in a protruding mode.
8. The floating board-to-board connector of claim 7, wherein: the inner side surface of the side wall is inwards sunken to form a plurality of butt joint abdication grooves, each butt joint abdication groove is communicated with the mounting groove in a one-to-one correspondence mode, and at least part of the butt joint section protrudes into the butt joint cavity through the butt joint abdication groove and can elastically deform along the width direction.
9. The floating board-to-board connector of claim 7, wherein: the second fixed section is fixed with the inner wall of the mounting groove along the length direction, and the second fixed section is spaced with the inner wall of the mounting groove along the width direction.
10. The floating board-to-board connector of claim 8, wherein:
the upper end position of the side wall forms an inclined guide surface, the upper end edge of the butt joint section is bent to form a matched inclined section, and the matched inclined section is positioned below the plane where the inclined guide surface is positioned.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322169264.7U CN220475016U (en) | 2023-08-14 | 2023-08-14 | Floating type board-to-board connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322169264.7U CN220475016U (en) | 2023-08-14 | 2023-08-14 | Floating type board-to-board connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220475016U true CN220475016U (en) | 2024-02-09 |
Family
ID=89780621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322169264.7U Active CN220475016U (en) | 2023-08-14 | 2023-08-14 | Floating type board-to-board connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220475016U (en) |
-
2023
- 2023-08-14 CN CN202322169264.7U patent/CN220475016U/en active Active
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