CN218482414U - High-speed connector and cable assembly thereof - Google Patents

Abstract

The utility model provides a high-speed connector and cable subassembly thereof, including socket and plug, socket and plug are respectively through setting up the seat butt joint locking annex and the head butt joint locking annex locking in the bottom, the socket includes that seat shell, seat base, seat signal needle, seat shielding needle, seat butt joint locking annex, installation locking annex constitute, and seat butt joint locking annex includes first nut and second nut, and first nut and second nut pass through the screw thread and add the fixed seat shell top of turning over the fourth of the twelve earthly branches. The utility model discloses a socket is the stiff end, adopts the mode of crimping to realize being connected with the PCB board, and the installation locking annex through from the area is fixed with the locking of the piece below the PCB, and the plug is the free end, adopts the welding mode to realize being connected with flat line, and socket and plug adopt seat butt joint locking annex and head butt joint locking annex to lock it completely respectively, and the steadiness is good, is difficult for droing, effectively guarantees the stable transmission of signal.

Description

High-speed connector and cable assembly thereof

Technical Field

The utility model relates to a connector technical field especially relates to a high-speed connector and cable subassembly thereof.

Background

In the fields of large-capacity storage, large data processing and the like, signal interconnection between different PCBs and different modules inside equipment is often realized through a connector and a cable assembly thereof, along with the high-speed development of the current information technology and the wide application of high-performance chips, the requirements on data transmission rate and transmission quality in a system are higher and higher, the connector and the cable assembly thereof are used as an important ring in a signal transmission path, the performance of the connector and the cable assembly thereof becomes one of important factors restricting the overall performance of the system, the stability of the existing connector after connection is poor, and when an external cable is pulled, a plugging end of the connector is easy to fall off from the top of a fixed end, so that the normal transmission of signals is influenced.

The utility model provides a high-speed connector and cable subassembly thereof to solve the problem that proposes in the background art.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to prior art not enough, provide a high-speed connector and cable subassembly thereof, metal casing consolidates, improves connector anti-vibration impact ability, and shell fragment formula contact adds the impedance uniformity setting, realizes the high rate transmission, and the shielding piece reduces the difference and to crosstalk between to solve the problem that proposes in the background art.

The utility model discloses a following technical means realizes solving the top and states technical problem: a high-speed connector comprises a socket and a plug, wherein the socket is a fixed end and is locked and fixed with a PCB (printed circuit board) through a locking accessory arranged at the bottom of the socket, the plug is a free end, and the socket and the plug are respectively locked through a base butt joint locking accessory arranged at the bottom and a head butt joint locking accessory.

Preferably, the socket comprises a socket shell, a socket base, a socket signal pin, a socket shielding pin, a socket butt joint locking accessory and an installation locking accessory, wherein the socket butt joint locking accessory comprises a first nut and a second nut, and the first nut and the second nut are fixed on the top of the socket shell through a screw thread and a mortise turning joint.

Preferably, installation locking annex is including riveting pole and first screw, and it is fixed with the seat shell that the riveting pole passes through turning over fourth of the twelve earthly branches, and first screw can slide at riveting pole top through the screw thread, and seat signal needle and seat shielding needle press-fit are to the seat base through barb interference.

Preferably, four mounting holes are formed in the tops of four corners of the seat shell, two first butt-joint locking holes in diagonal positions of the seat shell are used for fixedly mounting the locking accessories on the fixing seat in a butt-joint mode, and the other two mounting locking holes in the seat shell are used for fixedly mounting the locking accessories on the fixing seat in a butt-joint mode.

Preferably, the top of the butt-joint interface of the seat shell is provided with an asymmetric concave rib.

Preferably, seat signal needle and seat shielding needle assemble respectively in the first mounting hole and the second mounting hole of seat base, and seat signal needle and seat shielding needle top are provided with first barb, second barb and seat base interference fit.

Preferably, one end of the seat signal needle and one end of the seat shielding needle are respectively provided with a first elastic sheet and a second elastic sheet which are fixed in interference positions after being installed in the seat base.

Preferably, the plug comprises a head shell, a head base, a piece combining unit and a head butt joint locking accessory, wherein the head butt joint locking accessory comprises a second screw and a riveting pipe, the second screw and the riveting pipe are fixed to the top of the head shell through a mortise turning process, a convex rib is arranged on the top of a butt joint interface of the head shell, and the convex rib is matched with a concave rib in the seat shell.

Preferably, it closes piece and shielding piece to close the piece including cassette, first shielding needle, first signal needle, and first signal needle closes the piece top and is equipped with first bail and second bail, and just first bail and second bail are arranged in fourth draw-in groove and the second draw-in groove and the third draw-in groove of fifth draw-in groove and cassette of first shielding needle.

The utility model also provides a cable component of the high-speed connector, which comprises a flat wire, the flat wire is welded with one end of the piece combining unit, and welding the insertion head base of one piece of the assembly unit of the flat wire, assembling the insertion head base into the head shell, and pouring glue and curing the glue inside the head shell.

The utility model has the advantages that:

1. the socket is a fixed end, the connection with the PCB is realized by adopting a crimping mode, the socket is locked and fixed with a part below the PCB through a self-contained installation locking accessory, the plug is a free end, the connection with the flat wire is realized by adopting a welding mode, the socket and the plug are respectively locked completely by adopting a seat butt joint locking accessory and a head butt joint locking accessory, the stability is good, the falling is not easy, and the stable transmission of signals is effectively ensured;

2. the contact element of the connector is a spring piece type contact element, two signal pins and one shielding pin form a differential signal transmission channel, the two signal pins form a differential pair for differential signal transmission, the shielding pin provides a ground loop around the signal pins and effectively reduces signal crosstalk between the differential pair, in addition, the interference of the differential signal element is further reduced through the staggered arrangement of the differential signal transmission channels, and the expansion of the high-speed connector with different specifications can be realized through the combination of a plurality of signal transmission channels;

3. the utility model discloses an installation locking annex is including riveting pole and first screw, and it is fixed with the seat shell that the riveting pole is through turning over the fourth of the twelve earthly branches, and first screw passes through the screw thread can slide and not drop at riveting pole top, and seat signal needle and seat shielding needle are pressed through barb interference and are joined in marriage to the seat base, and the seat base of assembly contact guarantees through the dimensional control of fillet all around that the interference assembles to the seat shell in, and stability is good.

4. Four mounting holes are arranged at the tops of four corners of the seat shell, wherein two first butt-joint locking holes at diagonal positions are used for fixedly mounting locking accessories on the fixed seat, the other two mounting locking holes are used for fixedly mounting the locking accessories, the top of a butt-joint interface is provided with an asymmetric concave rib for preventing reverse insertion during butt joint, and the top of a PCB mounting surface is provided with an asymmetric positioning column for preventing reverse installation during mounting, so that the seat shell is convenient to use;

5. the utility model discloses a seat signal needle and seat shielding needle's one end respectively are first shell fragment and second shell fragment, the interference position is fixed after the dress seat base, seat shielding needle top is provided with fourth spacing step, first shell fragment and second shell fragment are the cantilever beam model, the elastic deformation guarantees that first shell fragment and second shell fragment and butt joint end contact have certain normal pressure after the interpolation, make the contact reliable, the first shell fragment top of seat signal needle sets up logical groove, make the contact point increase to four from original two, improve the reliability of contact;

6. the plug of the utility model comprises a head shell, a head base, a piece combining unit, a flat wire and a head butt locking accessory, wherein the head butt locking accessory comprises a second screw and a riveting pipe which are fixed at the top of the head shell through a mortise turning process, the flat wire is welded with one end of the piece combining unit, the piece combining unit of the flat wire is welded in the insertion head base of one piece, then the flat wire is integrally assembled in the head shell, finally, glue is poured and cured in the head shell, and the internal integral fixation is realized;

7. the utility model discloses a head base top sets up the first draw-in groove of a plurality of, corresponds a plurality of and closes the piece unit, and the dislocation can be guaranteed to close the location at two orientation tops of piece unit, realizes the location through fifth spacing step at third orientation top, and every first mode hole in head base top corresponds a differential signal passageway, and is accurate spacing to the contact of plug, guarantees to dock the reliability.

Drawings

Fig. 1 is an overall schematic view of the socket and the plug of the present invention.

Fig. 2 is a schematic view of the socket of the present invention.

Fig. 3 is a schematic view of a seat housing of the present invention.

Fig. 4 is a schematic view of a seat base according to the present invention.

Fig. 5 is a schematic diagram of the signal pin and the shield pin of the present invention.

Fig. 6 is a schematic view of the plug of the present invention.

Fig. 7 is a schematic view of the head housing of the present invention.

Fig. 8 is a schematic view of the head base of the present invention.

Fig. 9 is a schematic view of the assembly unit of the present invention.

Fig. 10 is a schematic view of the card socket of the present invention.

Fig. 11 is a schematic view of the head shielding pin and the head signal pin assembly of the present invention.

Fig. 12 is a schematic view of the shielding plate of the present invention.

In the figure: 1. a socket; 11. a seat housing; 111. a first butt locking hole; 112. installing a locking hole; 113. concave ribs; 114. a positioning column; 12. a base; 121. a first mounting hole; 122. a second mounting hole; 123. a first limit step; 124. a second limit step; 13. a seat signal pin; 131. a first fisheye; 132. a third limiting step; 133. a first barb; 134. a first spring plate; 135. a through groove; 14. a seat shielding needle; 141. a second fisheye; 142. a second barb; 143. a fourth limit step; 144. a second elastic sheet; 15. a seat docking locking accessory; 151. a first nut; 152. a second nut; 16. installing a locking accessory; 161. riveting a rod; 162. a first screw; 2. a plug; 21. a head housing; 211. a second butt locking hole; 212. a rib is protruded; 22. a head base; 221. a first card slot; 222. a fifth limiting step; 223. a first square hole; 23. a combining unit; 231. a card holder; 2311. a second card slot; 2312. a third card slot; 2313. a convex nail; 232. a head shielding needle; 2321. a fixed collar; 2322. a fourth card slot; 2323. a fifth card slot; 2324. buckling; 2325. a first contact area; 233. a head signal pin assembly; 2331. a welding zone; 2332. a first staple; 2333. a second staple; 2334. a second contact area; 234. a shielding sheet; 2341. a fixing hole; 2342. a second square hole; 24. a flat wire; 25. a head butt locking accessory; 251. a second screw; 252. and (5) riveting the tube.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on top of the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Example 1

Referring to the attached drawing 1 of the specification, the high-speed connector described in this embodiment includes a socket 1 and a plug 2, where the socket 1 is a fixed end and is connected to a PCB by means of crimping, and is locked and fixed to a component below the PCB by a self-contained installation locking accessory 16, the plug 2 is a free end and is connected to a flat wire 24 by means of welding, and the socket 1 and the plug 2 are completely locked by a socket butt locking accessory 15 and a head butt locking accessory 25, respectively, and have the characteristic of reliable contact;

the contact of the connector is a spring plate type contact, two signal pins and one shielding pin form a differential signal transmission channel, the two signal pins form a differential pair for differential signal transmission, the shielding pin provides a ground loop around the signal pins and effectively reduces signal crosstalk between the differential pair, in addition, the interference of the differential signal piece is further reduced through the staggered arrangement of the differential signal transmission channel, and the expansion of high-speed connectors with different specifications can be realized through the combination of a plurality of signal transmission channels.

Example 2

Referring to fig. 2 of the specification, the socket 1 of the present embodiment includes a socket housing 11, a socket base 12, a socket signal pin 13, a socket shielding pin 14, a socket butt-joint locking accessory 15, and an installation locking accessory 16;

the seat butt joint locking accessory 15 comprises a first nut 151 and a second nut 152, and the first nut 151 and the second nut 152 are fixed on the top of the seat shell 11 through threads and mortise turning;

the installation locking accessory 16 comprises a riveting rod 161 and a first screw 162, the riveting rod 161 is fixed with the seat shell 11 through mortise turning, the first screw 162 can slide on the top of the riveting rod 161 through threads and does not fall off, the seat signal pin 13 and the seat shielding pin 14 are in interference press fit into the seat base 12 through barbs, and the seat base 12 of the assembled contact element is guaranteed to be in interference fit into the seat shell 11 through size control of round corners at the periphery.

Example 3

Referring to fig. 3 of the specification, which is a schematic view of the seat shell 11 of the socket 1 of this embodiment, four mounting holes are disposed at the top of four corners of the seat shell 11, wherein two first docking locking holes 111 at diagonal positions are used for fixing the docking locking accessory 15, the other two mounting locking holes 112 are used for fixing the locking accessory 16, an asymmetric concave rib 113 is disposed at the top of the docking interface for preventing reverse insertion during docking, and an asymmetric positioning post 114 is disposed at the top of the mounting surface of the PCB for preventing reverse installation during mounting.

Please refer to fig. 4 and fig. 5 in the description, which are schematic diagrams of the socket base 12, the socket signal pin 13, and the socket shielding pin 14 of the socket 1 of this embodiment, the socket signal pin 13 and the socket shielding pin 14 are respectively assembled in the first mounting hole 121 and the second mounting hole 122 of the socket base 12, the top of the socket signal pin 13 and the socket shielding pin 14 are provided with the first barb 133 and the second barb 142, which are in interference fit with the socket base 12 to ensure that the two barbs do not fall off from the socket base 12, one end of the socket signal pin 13 and the socket shielding pin 14 is provided with the first fisheye 131 and the second fisheye 141, which are in interference fit with the PCB board, and the socket signal pin 13 and the socket shielding pin 14 are matched with the first limiting step 123 and the second limiting step 124 of the socket base 12 through the third limiting step 132 to prevent the socket signal pin 13 and the socket shielding pin 14 from retreating, and ensure that the first fisheye 131 and the second fisheye 141 are in the press fit hole of the PCB board;

seat signal needle 13 and seat shielding needle 14's one end are first shell fragment 134 and second shell fragment 144 respectively, the interference rigidity behind the seat base 12 of packing into, seat shielding needle 14 top is provided with fourth spacing step 143, first shell fragment 134 and second shell fragment 144 are the cantilever beam model, it guarantees that there is certain normal pressure in first shell fragment 134 and second shell fragment 144 and butt joint end contact spare to insert to close back elastic deformation, make the contact reliable, seat signal needle 13's first shell fragment 134 top sets up logical groove 135, make the contact point increase to four by original two, improve the reliability of contact.

Example 4

Referring to the attached drawing 6 of the specification, the plug 2 of the embodiment includes a head housing 21, a head base 22, a fitting unit 23, a flat wire 24 and a head butt-joint locking accessory 25, wherein the head butt-joint locking accessory 25 includes a second screw 251 and a rivet pipe 252, the two are fixed on the top of the head housing 21 through a mortise-turning process, the flat wire 24 is welded to one end of the fitting unit 23, the fitting unit 23 of the flat wire 24 is welded into the head base 22 by one piece, then the whole is assembled into the head housing 21, and finally glue is poured and cured inside the head housing 21 to realize the whole fixation inside;

referring to fig. 7 in the specification, which is a schematic view of the head housing 21 of the plug 2 of this embodiment, a second butt-joint locking hole 211 is formed at a diagonal position of a flange of the head housing 21 for fixing the head butt-joint locking accessory 25, and a convex rib 212 is formed at the top of the butt-joint interface and is matched with the concave rib 113 in the socket housing 11 to achieve reverse insertion prevention.

Please refer to fig. 8 in the specification, which is a schematic view of the head base 22 of the plug 2 of this embodiment, the top of the head base 22 is provided with a plurality of first slots 221 corresponding to a plurality of assembly units 23, the positioning of the tops of the assembly units 23 in two directions can be ensured by dislocation, the positioning is realized by a fifth limiting step 222 at the top in the third direction, each first square hole 223 at the top of the head base 22 corresponds to a differential signal channel, the contact of the plug 2 is accurately limited at the center, and the reliability of the butt joint is ensured.

Please refer to fig. 9 in the description, which is a schematic diagram of an assembly unit 23 of the plug 2 in this embodiment, the assembly unit 23 includes a card seat 231, a head shielding pin 232, a head signal pin assembly 233 and a shielding plate 234, the head signal pin assembly 233 injection-molds two head signal pins in a head base 22 to form an assembly, the top of the head signal pin assembly 233 is provided with a first clamp 2332 and a second clamp 2333, and during assembly, the first clamp 2332 and the second clamp 2333 are placed in a fourth card slot 2322 and a fifth card slot 2323 of the head shielding pin 232 and a second card slot 2311 and a third card slot 2312 of the card seat 231, so as to achieve positioning of the tops of the card seat 231, the head shielding pin 232 and the head signal pin assembly 233 in two directions;

the buckle 2324 arranged at the top of the head shielding needle 232 is triangular and corresponds to the second square hole 2342 at the top of the shielding sheet 234, after assembly, the shielding sheet 234 and the head shielding needle 232 can be fixed, the convex nail 2313 arranged at the top of the clamping seat 231 corresponds to the fixing hole 2341 at the top of the shielding sheet 234, after assembly, the convex nail 2313 can be higher than the surface of the shielding sheet 234, then the part higher than the convex nail 2313 is heated and flattened by adopting a hot riveting process, the diameter of the part higher than the convex nail 2313 is increased under the condition that the size is unchanged and the height is reduced, after the diameter of the part is larger than the diameter of the fixing hole 2341, the fixing of the shielding sheet 234 and the clamping seat 231 can be completed, and finally the fixing of the assembly unit 23 is realized.

Example 5

Please refer to fig. 11 and fig. 12 of the specification, which are schematic diagrams of the header signal pin unit 233 and the header shield pin 232 of the plug 2 of this embodiment, after the assembly, they are fixed parts of the contact members, wherein one end of each of the first contact region 2325 and the second contact region 2334 is elastically contacted with the first elastic sheet 134 and the second elastic sheet 144 of the contact member at the butt end, the other end of the header signal pin unit 233 is a welding region 2331 and is welded with the core wire of the flat wire 24, and the other end of the header shield pin 232 is a fixing collar 2321, when the assembly, the flat wire 24 is preliminarily fixed, and then the fixing collar 2321 is welded with the shielding layer of the flat wire 24.

It is noted that, in this document, relational terms such as first and second, and the like, if any, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

The top embodiment is only used to illustrate the technical solution of the present invention, but not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (10)

1. A high-speed connector comprising a socket (1) and a plug (2), characterized in that: the socket (1) is a fixed end and is locked and fixed with a PCB (printed circuit board) through the mounting locking accessory (16) at the bottom of the socket (1), the plug (2) is a free end, and the socket (1) and the plug (2) are locked through the seat butt joint locking accessory (15) and the head butt joint locking accessory (25) which are arranged at the bottom respectively.

2. A high speed connector as claimed in claim 1, wherein: socket (1) is including a shell (11), a seat base (12), a seat signal needle (13), a seat shielding needle (14), a seat butt joint locking annex (15), installation locking annex (16) are constituteed, and a butt joint locking annex (15) includes first nut (151) and second nut (152), and first nut (151) and second nut (152) add the fixed top of the seat shell (11) of turning over the fourth of the twelve earthly branches through the screw thread.

3. A high speed connector as claimed in claim 2, wherein: installation locking annex (16) are including riveting pole (161) and first screw (162), and it is fixed with seat shell (11) to rivet pole (161) through turning over the fourth of the twelve earthly branches, and first screw (162) can slide at riveting pole (161) top through the screw thread, and seat signal needle (13) and seat shielding needle (14) press-fit in seat base (12) through barb interference.

4. A high speed connector as claimed in claim 3, wherein: four mounting holes are formed in the tops of four corners of the seat shell (11), wherein two first butt-joint locking holes (111) in diagonal positions of the seat shell (11) are used for fixedly mounting a locking accessory (15) in a butt joint mode, and the other two mounting locking holes (112) in the seat shell (11) are used for fixedly mounting the locking accessory (16).

5. A high speed connector as claimed in claim 4, wherein: and an asymmetric concave rib (113) is arranged at the top of the butt joint interface of the seat shell (11).

6. A high-speed connector according to claim 5, wherein: seat signal needle (13) and seat shielding needle (14) assemble respectively in first mounting hole (121) and second mounting hole (122) of seat base (12), and seat signal needle (13) and seat shielding needle (14) top are provided with first barb (133), second barb (142) and seat base (12) interference fit.

7. A high speed connector as recited in claim 6, wherein: one end of the seat signal pin (13) and one end of the seat shielding pin (14) are respectively provided with a first elastic sheet (134) and a second elastic sheet (144), and the interference positions are fixed after the seat signal pin and the seat shielding pin are installed in the seat base (12).

8. A high speed connector as claimed in claim 7, wherein: the plug (2) comprises a head shell (21), a head base (22), a piece combining unit (23) and a head butt joint locking accessory (25), wherein the head butt joint locking accessory (25) comprises a second screw (251) and a riveting pipe (252), the second screw (251) and the riveting pipe (252) are fixed to the top of the head shell (21) through a mortise turning process, a convex rib (212) is arranged at the top of a butt joint interface of the head shell (21), and the convex rib (212) is matched with a concave rib (113) in the base shell (11).

9. A high speed connector according to claim 8, wherein: the assembly unit (23) comprises a clamping seat (231), a head shielding pin (232), a head signal pin assembly (233) and a shielding sheet (234), wherein a first clamp nail (2332) and a second clamp nail (2333) are arranged at the top of the head signal pin assembly (233), and the first clamp nail (2332) and the second clamp nail (2333) are arranged in a fourth clamping groove (2322) of the head shielding pin (232), a fifth clamping groove (2323) and a second clamping groove (2311) and a third clamping groove (2312) of the clamping seat (231).

10. A cable assembly for a high speed connector according to any one of claims 1 to 9, wherein: the welding head comprises a flat wire (24), wherein the flat wire (24) is welded with one end of a piece combining unit (23), the piece combining unit (23) of the flat wire (24) is welded into a head base (22) and assembled into a head shell (21), and glue is filled and cured in the head shell (21).

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