Ultra-small pitch floating connector

Abstract

The utility model relates to the field of electrical equipment discloses a super small interval floating connector, including the fixed casing with floating cavity, the floating casing in floating cavity and insert in the conductive terminal of fixed casing and floating casing, and there is floating space between floating cavity and floating casing, the plug cavity that the floating casing is set up and is inserted in the plug cavity of the complementary connector of outside, and the compensation structure that the conductive terminal has inserted in the floating casing, and the compensation structure includes the first elastic compensation part that bends from the guide contact part and guide contact part, the utility model discloses through setting up compensation structure, realizes the basic elastic resistance and the conduction outside through the guide contact part and the complementary connector, through the first elastic compensation part to the guide contact part provides elastic compensation, makes the guide contact part in the use process, the first elastic compensation part provides compensation support to the elastic deformation of guide contact part, can provide compensation when the elastic failure of guide contact part, thereby improves the reliability and the service life of guide contact part.

Description

Technical Field

[0001] This utility model relates to the field of electrical equipment, and in particular to an ultra-small pitch floating connector. Background Technology

[0002] Floating connectors are precision electronic components designed for transmitting high-speed signals in systems demanding high reliability and performance. Their core feature is the "floating" structure, which allows for minute axial and radial positional misalignments between the connector's plug and socket, automatically compensating for alignment errors caused by manufacturing tolerances, thermal expansion and contraction, or vibration and shock. This self-correcting capability effectively avoids installation stress, ensuring long-term connection stability. Furthermore, through careful impedance matching, shielding design, and differential signal transmission schemes, they can support high-speed data rates from several Gbps to tens of Gbps, perfectly combining high-reliability mechanical characteristics with excellent electrical performance. Therefore, high-speed floating connectors are widely used in communication base stations, data center servers, industrial equipment, and automotive electronics—fields with stringent requirements for signal integrity and connection durability.

[0003] To meet the growing demand for miniaturization and high-density integration of electronic products and to effectively save PCB space, small-pitch height floating connectors or small-pitch height floating connector assemblies are designed and manufactured. Small pitch refers to the extremely small center distance between connector terminals, typically less than 1 mm.

[0004] Existing ultra-small pitch floating connectors mainly consist of a fixed housing, a floating housing, and conductive terminals. The floating compensation capability of the ultra-small pitch floating female connector is achieved by the connection of elastic conductive terminals with the spaced fixed and floating housings. The conductive terminals are inserted into the fixed and floating housings respectively to mutually restrain each other. The complementary male terminals connect by mating with the floating housing. The conductive terminals abut against the exposed male conductive terminals on the male connector via extended guide contacts. Existing guide contacts are V-shaped. During mating between the male connector and the floating housing, the male conductive terminal squeezes and deforms the guide contact until it abuts against the floating housing. However, this structure makes the guide contact prone to failure due to deformation, resulting in poor contact between the guide contact and the male conductive terminal. Utility Model Content

[0005] In view of the shortcomings of the prior art, the technical problem to be solved by this utility model is to provide an ultra-small pitch floating connector to solve the problem of unstable conductive contacts of conductive terminals.

[0006] To solve the above-mentioned technical problems, the present invention provides a technical solution as follows: A floating connector with an ultra-small pitch includes a fixed housing with a floating cavity, a floating housing located within the floating cavity, and conductive terminals inserted into the fixed housing and the floating housing. A floating space exists between the floating cavity and the floating housing. The floating housing has a mating cavity for external complementary connector pairs to be inserted into. The conductive terminals have a compensation structure inserted into the floating housing. The compensation structure includes a guide contact that extends into the mating cavity and is elastically deformable, and a first elastic compensation portion that, after bending, provides elastic compensation for the guide contact when it is compressed.

[0007] Furthermore, the fixed housing has a plurality of first insertion cavities that are spaced apart along the length direction and communicate with the floating cavity inward along the width direction, and one end of the conductive terminal is inserted into the first insertion cavity.

[0008] Furthermore, the conductive terminal includes a soldering part for soldering to the circuit board, a first fastening part for inserting into the first insertion cavity, and a second elastic compensation part that is movably inserted into the floating space and the floating shell, connected in sequence.

[0009] Furthermore, the first insertion cavity includes a first movable cavity segment and a first fastening cavity segment wider than the first movable cavity segment. The first fastening part is inserted into the first fastening cavity segment along the insertion direction and is abutted against the first fastening cavity segment by a first protrusion. The second elastic compensation part includes a first segment extending along the inner wall of the first movable cavity segment and spaced apart, a second segment extending along the inner wall of the floating cavity from the first segment and spaced apart, and a third segment extending toward the second insertion cavity from the second segment after being bent and spaced apart.

[0010] Furthermore, the first elastic compensation portion has a first bending section for abutting against the floating housing and elastically supporting the guide portion by deformation when the guide portion is pressed.

[0011] Furthermore, the first elastic compensation portion also has a second bending portion connected to the first bending segment and used to elastically support the first bending segment through deformation when the guide portion is pressed.

[0012] Furthermore, the floating shell has a plurality of second insertion cavities spaced apart along the length direction and communicating with the insertion / removal cavity and the outside of the floating shell along the width direction. The conductive terminal also includes a second fastening part for insertion into the second insertion cavity. The guide contact includes a first elastic arm, a third bent section, and a second elastic arm that are V-shaped in general. The third bent section extends into the insertion / removal cavity when inserted into the second insertion cavity. The first elastic compensation part includes the first bent section connected to the second elastic arm, a third elastic arm connected to the first bent section and inclined relative to the second elastic arm to form a V shape, and a second bent section connected to the third elastic arm and bent toward the first elastic arm. The first bent section and / or the second bent section provide compensation to the guide contact by deforming against the second insertion cavity when the guide contact is held.

[0013] Furthermore, the second insertion cavity includes a second fastening cavity section opened along the insertion direction and disposed on the outside of the insertion cavity along the width direction, and a second movable cavity section narrower than the second fastening cavity section and surrounding the second fastening cavity section. The first elastic compensation part passes through the second movable cavity section. The second fastening part includes fastening sections extending along the insertion direction and arranged at intervals. One end of each fastening section is curved inward to form the guide contact. The first elastic compensation part is connected to the guide contact, and each fastening section abuts against the second fastening cavity section through a second protrusion.

[0014] Furthermore, a compensation shell is provided on the outer wall of the fixed housing.

[0015] Furthermore, the compensation shell has recessed edges on one of its opposite sides, and an extension piece and a bent foot extending away from the compensation shell after being bent vertically from the extension piece are integrally formed in the recessed edge. The extension piece has outwardly inclined barbs. The fixed shell has protrusions on both sides corresponding to the extension piece, and the protrusions have through holes for the extension piece to pass through and slots that connect to the through holes and allow the barbs to be inserted.

[0016] The ultra-small pitch floating connector of this utility model has at least the following beneficial effects: By setting a compensation structure, this utility model achieves basic elastic contact and conduction between the guide contact and the complementary connector. In addition, the first elastic compensation part provides elastic compensation for the guide contact during use. During use, the first elastic compensation part provides compensation support for the elastic deformation of the guide contact, and can provide compensation when the elasticity of the guide contact fails, thereby improving the reliability and service life of the guide contact. Attached Figure Description

[0017] The accompanying drawings, which are included to provide a further understanding of this application and form part of this application, illustrate exemplary embodiments and are used to explain this application, but do not constitute an undue limitation of this application. In the drawings: Figure 1 This is a schematic diagram of the structure of the female connector of this utility model; Figure 2 This is a side sectional view of the female connector of this utility model; Figure 3 This is an exploded view of the female connector of this utility model; Figure 4 for Figure 3 An enlarged view of part A shown; Figure 5 This is a side sectional view of the fixed housing of this utility model; Figure 6 This is a schematic diagram of the structure of the compensation shell of this utility model; Figure 7 This is a schematic diagram of the structure of the conductive terminal of this utility model; Figure 8 This is a side sectional view of the floating hull of this utility model; Figure 9 This is a schematic diagram of the structure of the floating shell of this utility model.

[0018] The meanings of the labels in the attached diagram are as follows: Fixed housing 1, floating cavity 11, first insertion cavity 12, first cavity segment 121, second cavity segment 122, third cavity segment 123, first fastening cavity segment 124, welding cavity segment 125, connecting surface 13, inner layer 14, spacer cavity 141, clearance cavity 142, first insertion surface 15, stepped surface 16, buckle 171, protrusion 172, through hole 173, barb 174, compensation shell 2, locking hole 21, concave edge 221, extension piece 222, bending foot 223, floating housing 3, wide segment 31, inclined surface 311, narrow segment 32, insertion / extraction cavity 33, second Insertion cavity 34, second fastening cavity section 341, second mating surface 351, mating surface 352, center part 36, end face 37, conductive terminal 4, welding part 41, first fastening part 42, second elastic compensation part 43, first section 431, second section 432, second fastening part 44, fastening section 441, compensation structure 45, guide contact part 45a, first elastic arm 451, second elastic arm 452, third elastic arm 453, first bending section 454, second bending section 455, third bending section 456, first convex hull 461, second convex hull 462. Detailed Implementation

[0019] The present invention will be further described below with reference to the accompanying drawings.

[0020] Please see Figures 1 to 9 The ultra-small pitch floating connector of this utility model includes a fixed housing 1, a compensation shell 2 surrounding the outer wall of the fixed housing 1, a floating housing 3 movably disposed within the fixed housing 1, and conductive terminals 4 inserted into the fixed housing 1 and the floating housing 3.

[0021] Please see Figures 1 to 5 The fixed housing 1 is shaped according to the application scenario. In this embodiment, the fixed housing 1 is a cuboid structure formed by plastic injection molding, and thus has length, width, and height. A floating cavity 11 with openings on both sides along its height direction is formed through the fixed housing 1, and the floating housing 3 is installed in the floating cavity 11 along its height direction. One side of the fixed housing 1 along its height direction is defined as a connecting surface 13. A first insertion cavity 12 is also formed on the fixed housing 1, which extends through the connecting surface 13 along its height direction. A conductive terminal 4 is inserted into the first insertion cavity 12. The height direction is defined as the insertion direction, and the conductive terminal 4 is inserted into the first insertion cavity 12 along the insertion direction. It should be noted that the aforementioned width and length directions refer to the directions in which the width and length of the fixed housing 1 are located.

[0022] To limit the floating housing 3 from moving indefinitely in the insertion direction, facilitate the arrangement of the first insertion cavity 12 and the installation of the conductive terminals 4, and also to save material, two inner layer portions 14 are integrally connected to both sides of the fixed housing 1 along the width direction. The length of the two inner layer portions 14 is arranged along the length direction of the fixed housing 1 and integrally connected to the inner wall of the fixed housing 1. The inner layer portions 14 are spaced apart from the inner wall of the fixed housing 1 to form a spacer cavity 141. The side of the two inner layer portions 14 closest to the connecting surface 13 along the insertion direction is shorter than the connecting surface 13 and recessed relative to the connecting surface 13, so that a clearance cavity 142 communicating with the spacer cavity 141 is separated between the inner layer portion 14 and the connecting surface 13. The side of the fixed housing 1 facing away from the connecting surface 13 along the insertion direction is defined as the first pair of insertion surfaces 15. The side of the two inner layers 14 away from the connecting surface 13 along the insertion direction is shorter than the first pair of insertion surfaces 15. The two inner layers 14 extend along the width direction away from the connecting surface 13 and are integrally connected to the fixed housing 1, forming a stepped surface 16 on the side close to the first pair of insertion surfaces 15. The floating cavity 11 is formed in a T shape by the fixed housing 1 and the inner layers 14 including the stepped surface 16. The first insertion cavities 12 are formed in two symmetrical groups, respectively located on the two inner layers 14 and the two side walls along the width direction of the fixed housing 1. Each group of first insertion cavities 12 has several cavities distributed at equal intervals. Each first insertion cavity 12 is connected to the spacer cavity 141 and the clearance cavity 142. The spacer cavity 141 not only reduces the material used in the fixed housing 1, but also reduces the processing difficulty of the first insertion cavity 12. At the same time, the formation of the spacer cavity 141 can also improve the heat dissipation effect of the conductive terminal 4 inserted therein and the first insertion cavity 12. The distance between any two adjacent first insertion cavities 12 is within 1 mm. In particular, in this embodiment, the distance between two adjacent first insertion cavities 12 can be 0.4 mm, achieving an ultra-small distance. The conductive terminal 4 is matched with it, and after assembly, the distance between two adjacent conductive terminals 4 is about 0.4 mm, achieving high-density integration and miniaturization. The first insertion cavity 12 includes a first cavity segment 121 formed on the side wall of the fixed housing 1, a second cavity segment 122 formed on the spacer cavity 141, and a third cavity segment 123 formed on the inner layer portion 14. The first cavity segment 121 is recessed in the side wall of the fixed housing 1 and extends inwardly through the spacer cavity 141 in the width direction. The second cavity segment 122 is recessed in the side cavity surface of the spacer cavity 141 near the first pair of insertion surfaces 15 and communicates with the first cavity segment 121. The third cavity segment 123 is recessed in the inner layer portion 14 on the side near the connecting surface 13 in the insertion direction and communicates with the floating cavity 11 and the spacer cavity 141 in the width direction. The third cavity segment 123 also communicates with the clearance cavity 142 in the insertion direction.

[0023] Please see Figure 4 and Figure 6The compensating shell 2 is a rectangular frame structure with a width adapted to the height of the fixed shell 1 and surrounding the outer wall of the fixed shell 1. The compensating shell 2 is made of metal such as steel to strengthen the overall strength of the fixed shell 1 and prevent damage from external impacts. To enhance the strength between the compensating shell 2 and the fixed shell 1, triangular buckles 171 are protruded from any two opposite outer walls of the fixed shell 1. The buckles 171 are wider near the connecting surface 13 and gradually narrower near the first pair of insertion surfaces 15 until they are flush with the outer wall of the fixed shell 1, thus forming a guide slope 311 on the buckles 171 to facilitate the installation of the compensating shell 2. Slots or holes 21 are provided on the compensating shell 2 corresponding to the positions of each buckle 171. After the compensating shell 2 is fitted onto the fixed shell 1, the buckles 171 engage with the slots or holes 21, thereby securing the compensating shell 2 to the fixed shell 1.

[0024] To further enhance the connection strength between the compensation shell 2 and the fixed shell 1, slots or holes 21 are provided on one of the opposite sides of the compensation shell 2. On the other opposite sides of the compensation shell 2, a recessed edge 221 is provided on one side of the corresponding connecting surface 13 along its width direction. An extension piece 222 and a bent foot 223 extending away from the compensation shell 2 after being vertically bent from the extension piece 222 are integrally formed in the recessed edge 221. An outwardly inclined barb 174 is formed on the extension piece 222. The barb 174 is stamped on the extension piece 222 along the thickness direction. After stamping, a window is formed on the extension piece 222. The barb 174 is integrally connected to the side of the window near the bent foot 223. The other opposite side of the barb 174 is suspended. The barb 174 is inclined outward from the window along the length direction from the suspended side. The buckle 171 on the fixed housing 1 is provided corresponding to the slot or hole 21, and the fixed housing 1 is provided with a protrusion 172 corresponding to the extension piece 222. The protrusion 172 has a through hole 173 for the extension piece 222 to pass through and a buckle groove that connects to the through hole 173 and allows the barb 174 to be engaged therein. The bent foot 223 is formed by the extension piece 222 extending uniformly as a whole. After the extension piece 222 passes through the through hole 173, the part of it that extends out of the through hole 173 is bent to form the bent foot 223. The concave edge 221 and the bent foot 223 are used to restrict the movement of the compensation housing 2 along the insertion direction. When the extension piece 222 passes through the through hole 173, the barb 174 is squeezed and deformed inwards until the barb 174 aligns with the buckle groove and is engaged therein, thereby further improving the connection between the extension piece 222 and the protrusion 172.

[0025] Please see Figures 1 to 3 and Figure 8The floating shell 3, corresponding to the formation of the floating cavity 11, has an integrally connected wide section 31 and narrow sections 32 on both sides that are narrower than the wide section 31. Both the wide section 31 and the narrow section 32 are approximately cuboid in shape, and their length, width, and height are aligned with the length, width, and height of the fixed shell 1. The overall height of the floating shell 3 is less than the depth of the floating cavity 11. The width and length of the wide section 31 are both less than the width and length of the portion of the floating cavity 11 enclosed by the inner wall of the fixed shell 1, and the width and length of the narrow section 32 are both less than the width and length of the portion of the floating cavity 11 enclosed by the inner layer 14. This allows the floating shell 3, after being installed within the floating cavity 11, to be spaced apart from the floating cavity 11, thus forming a floating space. In order to reduce interference when the floating shell 3 moves in the floating space, inclined surfaces 311 are formed on both sides of the wide section 31 that are wider than the narrow section 32 in the width direction, extending obliquely to the outer wall of the narrow section 32. After the floating shell 3 is installed in the floating cavity 11, the inclined surfaces 311 are spaced apart and directly opposite the inner side of the step surface 16 and the inner side of the inner layer 14, thereby increasing the range of movement of the floating shell 3 and reducing interference.

[0026] The floating housing 3 has a plug-in cavity 33 and a second plug-in cavity 34. The complementary connector, which is complementary to the connector of this invention, is plugged into the plug-in cavity 33 along the plugging direction. A portion of the conductive terminal 4 is inserted into the second plug-in cavity 34. The side of the wide section 31 facing away from the narrow section 32 along the plugging direction is defined as the second pair of plugging surfaces 351, and the side of the narrow section 32 facing away from the wide section 31 along the plugging direction is defined as the mating surface 352. The plug-in cavity 33 is recessed from the second pair of plugging surfaces 351 and is symmetrically arranged in two sets corresponding to the two sets of first plug-in cavities 12. The length of the two sets of plug-in cavities 33 is arranged along the length direction of the floating housing 3, and each end of the two sets of plug-in cavities 33 is connected to the end of the other set, so that the two sets of plug-in cavities 33 are in a cuboid frame structure, so as to facilitate the plugging and unplugging of the male connector and improve the bonding force. The insertion cavity 33 extends through the second pair of insertion surfaces 351 along the insertion direction and has a U-shaped inner wall, so that the floating shell 3 is located inside the two sets of insertion cavities 33, forming a central part 36 located in the middle of the entire floating shell 3.

[0027] The second insertion cavity 34 is formed on the narrow section 32 and the wide section 31, and is also arranged in two groups. Each group has a number of second insertion cavities 34 that are the same in number and position as the first insertion cavity 12, and the spacing between adjacent second insertion cavities 34 is the same as the spacing between the first insertion cavities 12. The second insertion cavity 34 extends from the outer wall of the floating housing 3 inward to the outer wall of the center portion 36 along the width direction. The second insertion cavity 34 is located on the portion of the floating housing 3 relative to the periphery of the insertion cavity 33 and extends through the outer wall of the floating housing 3 and the insertion cavity 33 along the width direction. The second insertion cavity 34 extends through the mating surface 352 along the insertion direction, so that the conductive terminal 4 can be inserted into the second insertion cavity 34 along the insertion direction and extend out of the second insertion cavity 34 along the width direction to mate with the first insertion cavity 12. The side of the second insertion cavity 34 that is close to the second pair of insertion surfaces 351 along the insertion direction is defined as the top cavity surface, and the side of the second insertion cavity 34 that is away from the insertion cavity 33 along the width direction is defined as the side cavity surface.

[0028] Please see Figure 7The conductive terminal 4 includes a soldering portion 41 for soldering to a circuit board, a first fastening portion 42 for insertion into a first insertion cavity 12, a second elastic compensation portion 43 that movably passes through a floating space and a second insertion cavity 34, and a second fastening portion 44 for insertion into the second insertion cavity 34, wherein the second fastening portion 44 has a compensation structure 45 that extends into the insertion cavity 33 to abut against the male connector. Corresponding to the structure of the conductive terminal 4, the first insertion cavity 12 includes a first movable cavity section and a first fastening cavity section 124 that is wider than the first movable cavity section. The first fastening portion 42 is inserted into the first fastening cavity section 124 along the insertion direction and abuts against the first fastening cavity section 124 through a first protrusion 461. The first movable cavity is composed of a first cavity 121, a second cavity 122, and a third cavity 123. A welding cavity 125 is recessed on the connecting surface 13 and located outside the spacer cavity 141, allowing the welding part 41 to pass through. This allows the welding part 41 to be bent from the first fastening part 42 and extend out of the fixing housing 1 along the width direction from the welding cavity 125, where it can be soldered to the circuit board. A first fastening cavity 124 is formed along the length of the first cavity 121, fitting against the inner wall of the fixing housing 1 and recessed within the inner wall of the first cavity 121. Therefore, the width of the first fastening cavity 124 is greater than the width of the first movable cavity. The first fastening cavity 124 extends through the connecting surface 13 along the insertion direction. The first protrusions 461 are provided on both sides of the first fastening part 42. The first fastening part 42 of the conductive terminal 4 is inserted into the first fastening cavity 124 from the side of the connecting surface 13 along the insertion direction. The first protrusions 461 abut against the inner wall of the first fastening cavity 124 to limit the conductive terminal 4. The second elastic compensation part 43 includes a first segment 431 extending along the inner wall of the first movable cavity and a second segment 432 extending from the first segment 431 in the width direction toward the second insertion cavity 34. The first segment 431 is formed by bending the first fastening part 42, extending inward in the width direction, bending again, extending toward the connecting surface 13 in the insertion direction, and then bending again to extend inward in the width direction. The second segment 432 is formed by bending the first segment 431 and extending inward in the width direction.

[0029] To correspond to the structure of the conductive terminal 4, the second insertion cavity 34 includes a second fastening cavity section 341 that is opened along the insertion direction and disposed on the outside of the insertion cavity 33 in the width direction, and a second movable cavity section that is narrower than the second fastening cavity section 341 and surrounds the second fastening cavity section 341. The second elastic compensation portion 43 passes through the second movable cavity section. The second fastening portion 44 includes a fastening section 441 that extends along the insertion direction after being bent from the second section 432. A compensation structure 45 is formed on the end of the fastening section 441 away from the second section 432. The compensation structure 45 includes a guide portion 45a that extends into the insertion cavity 33 and is elastically deformable, and a first elastic compensation portion that is used to elastically compensate the guide portion 45a after it is bent and compressed. The guide portion 45a extends inward from the middle of the fastening section 441 along the insertion direction, forming an inward arch. This allows the guide portion 45a to include a first elastic arm 451, a third bent section 456, and a second elastic arm 452, all of which are V-shaped. The third bent section 456 extends into the insertion / removal cavity 33 when inserted into the second insertion cavity 34, thereby enabling communication with the complementary connector and improving reliability. The first elastic compensation portion includes a first bent section 454 connected to the second elastic arm 452, a third elastic arm 453 connected to the first bent section 454 and inclined relative to the second elastic arm 452 in a V-shape, and a second bent section 455 connected to the third elastic arm 453 and curved towards the first elastic arm 451. The first bent section 454 and / or the second bent section 455 provide compensation to the guide portion 45a by deforming against the second insertion cavity 34 when the guide portion 45a is held. The first bending section 454 is used to abut against the floating shell 3 and support the guide contact 45a through deformation elasticity when the guide contact 45a is pressed. The second bending section 455 is used to support the first bending section 454 through deformation elasticity when the guide contact 45a is pressed. The second elastic arm 452, the first bending section 454 and the third elastic arm 453 are V-shaped. The first bending section 454 bends in the insertion direction toward the side away from the second elastic compensation part 43, and the second bending section 455 bends in the width direction toward the side of the first fastening part 42.

[0030] In use, after aligning the first fastening part 42 with the first fastening cavity 124 and the second fastening part 44 with the second fastening cavity 341 from the side of the connecting surface 13, the conductive terminal 4 can be pushed along the insertion direction to insert the conductive terminal 4 into the first insertion cavity 12 and the second insertion cavity 34. The compensation structure 45 is located between the top cavity surface and the side cavity surface until the welding part 41 is located in the welding cavity 125. The second elastic compensation part 43 is located in the first movable cavity, the floating space and the second movable cavity. The first protrusion 461 and the second protrusion 462 prevent the conductive terminal 4 from falling off and abut against the complementary connector from both sides, ensuring the stability and firmness between the complementary connector and the conductive terminal 4.

[0031] The operation of one embodiment of the ultra-small pitch floating connector of this utility model is as follows: the compensation shell 2 is installed on the fixed shell 1, the conductive terminal 4 is installed in the first insertion cavity 12, and the welding part 41 is held against the welding cavity section 125. The second fastening part 44 and the second elastic compensation part 43 of the conductive terminal 4 are both located in the floating cavity 11. After the insertion and removal part side of the floating shell 3 is facing into the floating cavity 11 and the second fastening part 44 is aligned with each of the second fastening cavity sections 341, the floating shell 3 is moved along the insertion direction so that the second fastening part 44 is installed in the second insertion cavity 34. Then, a circuit board is welded on the fixed shell 1, and the welding part 41 is welded to the circuit board.

Claims

1. A floating connector with ultra-small pitch, characterized in that: The device includes a fixed housing with a floating cavity, a floating housing located within the floating cavity, and conductive terminals inserted into the fixed housing and the floating housing. A floating space exists between the floating cavity and the floating housing. The floating housing has a insertion cavity for an external complementary connector to be inserted therein. The conductive terminal has a compensation structure inserted into the floating housing. The compensation structure includes a guide portion that extends into the insertion cavity and is elastically deformable, and a first elastic compensation portion that provides elastic compensation for the guide portion after it is bent and compressed.

2. The ultra-small pitch floating connector as described in claim 1, characterized in that: The fixed housing has several first insertion cavities that are spaced apart along the length direction and connected to the floating cavity inward along the width direction. One end of the conductive terminal is inserted into the first insertion cavity.

3. The ultra-small pitch floating connector as described in claim 2, characterized in that: The conductive terminal includes a soldering part for soldering to a circuit board, a first fastening part for inserting into a first insertion cavity, and a second elastic compensation part that is movably inserted into the floating space and the floating shell, connected in sequence.

4. The ultra-small pitch floating connector as described in claim 3, characterized in that: The first insertion cavity includes a first movable cavity section and a first fastening cavity section wider than the first movable cavity section. The first fastening part is inserted into the first fastening cavity section along the insertion direction and is abutted against the first fastening cavity section by a first protrusion. The second elastic compensation part includes a first segment extending along the inner wall of the first movable cavity section and spaced apart, a second segment extending along the inner wall of the floating cavity from the first segment and spaced apart, and a third segment extending toward the second insertion cavity from the second segment after being bent and spaced apart.

5. The ultra-small pitch floating connector as described in any one of claims 1 to 3, characterized in that: The first elastic compensation part has a first bending section for abutting against the floating housing and elastically supporting the guide contact part by deformation when the guide contact part is pressed.

6. The ultra-small pitch floating connector as described in claim 5, characterized in that: The first elastic compensation part also has a second bending section connected to the first bending section and used to elastically support the first bending section by deformation when the guide part is pressed.

7. The ultra-small pitch floating connector as described in claim 6, characterized in that: The floating shell has a plurality of second insertion cavities spaced along the length and connected to the insertion / removal cavity and the outside of the floating shell along the width. The conductive terminal also includes a second fastening part for insertion into the second insertion cavity. The guide part includes a first elastic arm, a third bent section, and a second elastic arm that are V-shaped in general. The third bent section extends into the insertion / removal cavity when inserted into the second insertion cavity. The first elastic compensation part includes the first bent section connected to the second elastic arm, a third elastic arm connected to the first bent section and inclined relative to the second elastic arm to form a V shape, and a second bent section connected to the third elastic arm and bent toward the first elastic arm. The first bent section and / or the second bent section provide compensation to the guide part by deforming against the second insertion cavity when the guide part is held.

8. The ultra-small pitch floating connector as described in claim 7, characterized in that: The second insertion cavity includes a second fastening cavity section that is opened along the insertion direction and located outside the insertion cavity in the width direction, and a second movable cavity section that is narrower than the second fastening cavity section and surrounds the second fastening cavity section. The first elastic compensation part passes through the second movable cavity section. The second fastening part includes fastening sections that extend along the insertion direction and are spaced apart. One end of each fastening section is curved inward to form the guide contact. The first elastic compensation part is connected to the guide contact, and each fastening section is abutted against the second fastening cavity section by a second protrusion.

9. The ultra-small pitch floating connector as described in claim 1, characterized in that: A compensation shell is provided around the outer wall of the fixed shell.

10. The ultra-small pitch floating connector as described in claim 9, characterized in that: The compensation shell has recessed edges on one of its opposite sides. An extension piece and a bent foot extending away from the compensation shell after being bent vertically from the extension piece are integrally formed in the recessed edge. Outwardly inclined barbs are formed on the extension piece. The fixed shell has protrusions on both sides corresponding to the extension piece. The protrusions have through holes for the extension piece to pass through and slots that connect to the through holes and allow the barbs to be inserted.

Images