CN219393783U - High-speed connector - Google Patents

Abstract

The utility model belongs to the technical field of connectors, and discloses a high-speed connector which comprises a straight plug and a bent socket, wherein the straight plug is a movable end and comprises a metal shell, a plurality of signal pin-in parts and a plurality of bases, the bases are fixed in the butt joint ends of the metal shell of the plug, and the front ends of the signal pin-in parts are fixed in base holes; the rear end of the metal seat shell is provided with a plurality of cavities, the rear end of the jack contact piece penetrates through the cavities to extend to the outside of the metal seat shell, the rear end of the jack contact piece is positioned at the outside of the metal seat shell and is electrically connected with the PCB, and the cavities are separated by metal walls; when the straight plug is plugged with the bent socket, the front end of the jack contact is inserted into the hole of the base, the signal pin assembly is inserted into the jack contact, the signal pin assembly is electrically connected with the jack contact to form an independent link unit, and the metal shell, the base, the cavity and the metal base shell shield single link unit degrees, and particularly extremely low crosstalk is caused.

Description

High-speed connector

Technical Field

The utility model relates to the technical field of connectors, in particular to a high-speed connector.

Background

In the fields of mass storage, high-speed communication and the like, different circuit boards inside the equipment and the circuit boards and the chassis panel are connected by connectors and cable assemblies. With the rapid development of information technology, the data processing speed is continuously increased, the requirements of equipment on the transmission speed and the quality of high-speed transmission of signals are higher and higher, and meanwhile, the connector is required to be smaller and smaller, namely, the signal density is larger and higher, so that how to ensure signal impedance matching and reduce mutual interference between signals under the condition of small spacing becomes a difficult problem of improving the speed of the connector.

In view of this, the applicant has invented a high transmission rate, full link shielded high speed connector.

Disclosure of Invention

The present utility model addresses the deficiencies of the prior art by providing a high speed connector.

After the plug connector and the socket connector are in butt joint, a plurality of transmission paths which can be used for transmitting high-speed differential signals are formed, the transmission paths are isolated from each other through a 360-degree shielding mode of the metal shell, meanwhile, the locking accessory locks the transmission paths completely, the overall vibration resistance and impact resistance of the connector are obviously improved, and the reliable connection between the transmission paths and the locking accessory realizes the transfer of high-speed signals between a cable and a PCB.

The utility model solves the technical problems by the following technical means: the high-speed connector comprises a straight plug and a bent socket, wherein the straight plug is a movable end, the bent socket is electrically connected with the PCB, and the straight plug and the bent socket are detachably fixed;

the straight plug comprises a metal shell, a plurality of signal pin-closing parts and a plurality of bases, wherein the bases are fixed in the butt joint end of the metal shell of the plug, and the front ends of the signal pin-closing parts are fixed in the holes of the bases;

the bent socket comprises a metal seat shell, a plurality of seat bases and a plurality of jack contacts, wherein the seat bases are fixed in the metal seat shell, the jack contacts are fixedly arranged in the seat bases in a penetrating mode, and the front ends of the jack contacts extend to the outside of the seat bases;

the rear end of the metal seat shell is provided with a plurality of cavities, the rear end of the jack contact piece penetrates through the cavities to extend to the outside of the metal seat shell, the rear end of the jack contact piece is positioned at the outside of the metal seat shell and is electrically connected with the PCB, and the cavities are separated by metal walls;

when the straight plug is plugged with the bent socket, the front end of the jack contact is inserted into the hole of the base, the signal pin assembly is inserted into the jack contact, the signal pin assembly is electrically connected with the jack contact to form an independent link unit, and the link unit is shielded by the metal shell, the base, the cavity and the metal base shell for 360 degrees.

Further, the butt joint end of the metal shell protrudes out of the metal shell, the butt joint end of the metal shell is provided with a plurality of unit cavities, the base is fixed in the unit cavities, the tail end of the signal pin-in piece is fixed with a radio frequency coaxial cable, the radio frequency coaxial cable extends out of the opposite surface of the butt joint end of the metal shell, and the opposite end of the butt joint end of the metal shell is provided with a glue filling cavity.

Further, the jack contact piece comprises a long jack contact piece and a short jack contact piece, the long jack contact piece and the short jack contact piece are fixedly arranged on the base seat in a penetrating mode, and the front ends of the long jack contact piece and the short jack contact piece extend to the outside of the base seat; the long jack contact piece and the short jack contact piece are respectively fixed in corresponding base holes on the base, the jack contact piece positioned at the front end of the base hole is a butt joint end, the jack contact piece positioned at the rear end of the base hole is a welding end, the welding end is fixed with the PCB, a glue filling step is arranged between the butt joint end and the welding end, and the glue filling step is used for glue filling fixation after the base unit is assembled to the metal base shell; the upper end and the lower end of the seat base are fixed with limiting steps for axial positioning, and the surfaces of the two sides of the seat base are provided with an air gap I for improving characteristic impedance.

Further, the signal stitching piece comprises a nanometer needle contact piece and a needle body, the tail end of the nanometer needle contact piece is in pressure connection with the needle body, the front end of the nanometer needle contact piece is a butt joint end, and the tail end of the needle body is welded with the inner conductor of the radio frequency coaxial cable; the two needle bodies and the two radio frequency coaxial cable are fixed in the fixed block, the outer conductor of the radio frequency coaxial cable is welded with the welding area on the fixed block, 360-degree connection of the shell and the cable shielding layer is realized through the welding of the fixed block and the radio frequency coaxial cable, and the upper side and the lower side of the front end of the fixed block extend forwards to form the extension arm.

Further, two sides of the base are provided with air gaps II, the needle body is fixed in the first mounting hole, and the extension arm on the fixed block is tightly attached to the positioning step on the base.

Further, two convex ribs are fixed at one end, far away from the metal shell, of the unit cavity, a butt joint cavity is formed in the front end of the metal seat shell, the front end of the jack contact piece is located in the butt joint cavity, the shape of the jack contact piece is irregular rectangular, and the shape of the butt joint cavity is matched with that of the butt joint end of the metal shell.

Further, a fixed plate is arranged at the rear end of the metal seat shell, and a plurality of plate grounding needles are fixed on the surface of the fixed plate; positioning holes are designed at the edge positions of the two sides of the fixing plate, the opening parts of the positioning holes are of bevel structures, and a plurality of shell grounding needles are fixed on the surface of the metal seat shell.

Further, the straight plug further comprises a screw component, grooves are formed in two sides of the butt joint end of the metal shell, round holes are formed in two sides of the opposite end of the butt joint end of the metal shell, the round holes are communicated with the grooves, the screw component sequentially penetrates through the round holes and the grooves, and the screw component is fixed in the round holes;

the bent socket further comprises locking nuts, wherein the two locking nuts are fixed at two ends of the metal seat shell and used for being locked and fixed with screw assemblies on the straight plug.

Further, the lock nut front end is fixed with square step, lock nut inside has the internal thread with locking screw locking, lock nut's afterbody is the round step for turn over with the locating hole on the fixed plate and rivet, the locking hole has been seted up to metal seat shell both sides, be used for assembling lock nut, lock nut wears to establish in the locking hole, locating step two is seted up to the locking hole front end, square step is located locating step two, metal seat shell top has offered the mounting hole second of link up to the bottom, lock nut middle part is provided with the location concave station, mounting screw passes through lock nut smoothly.

The utility model has the beneficial effects that:

(1) The front ends of the signal pin connectors are fixed in the holes of the base, and the signal pin connectors are shielded by the base, so that the signal pin connectors in the straight plug are shielded; the long jack contact and the short jack contact are respectively fixed in corresponding base holes on the base seat to form a small base seat unit, the small base seat unit and the base seat are shielded, the shielding of the jack contacts in the bent type socket is formed, when the straight plug is connected with the bent socket, the signal pin-in piece is electrically connected with the jack contact piece to form an independent link unit, and the metal shell, the base seat, the cavity and the metal base seat shell shield the single link unit degree, and particularly, the crosstalk is extremely low.

(2) According to the high-speed connector, the outer conductor of the radio frequency coaxial cable and the welding area on the fixed block are welded, so that the fixation between the outer conductor and the welding area is realized, meanwhile, the metal shielding is realized at the joint of the needle body and the radio frequency coaxial cable, namely, the metal shielding is also formed at the tail end of the signal needle assembly, and the full-link isolation of the link unit is realized.

(3) When the straight plug is connected with the bent socket, the front end locking thread of the front sleeve of the locking screw assembly is screwed into the locking nut, so that the locking function with the bent socket is realized, and the severe mechanical environment index performance of the connector, such as strong vibration resistance, impact resistance and the like, is effectively improved.

Drawings

Fig. 1 is a schematic view of a straight plug 1 of a high-speed connector according to a preferred embodiment of the present utility model.

Fig. 2 is a schematic view of the high-speed connector curved socket 2 according to the preferred embodiment of the present utility model.

Fig. 3 is a schematic view showing the overall structure of the high-speed connector straight plug 1 according to the preferred embodiment of the present utility model.

Fig. 4 is a schematic view of the metal shell 10 in the straight plug 1 of the high-speed connector according to the preferred embodiment of the present utility model.

Fig. 5 is a schematic diagram showing a second metal shell 10 in the high-speed connector straight plug 1 according to the preferred embodiment of the present utility model.

Fig. 6 is a schematic structural view of the signal pin 12 in the high-speed connector straight plug 1 according to the preferred embodiment of the present utility model.

Fig. 7 is a schematic diagram showing the assembly of the signal pin 12 and the base 11 in the high-speed connector straight plug 1 according to the preferred embodiment of the present utility model.

Fig. 8 is a schematic view showing an inner cavity structure of the base assembly of the high-speed connector straight plug 1 assembled to the metal shell 10 according to the preferred embodiment of the present utility model.

Fig. 9 is a schematic diagram showing the assembly of the screw assembly 14 in the high-speed connector straight plug 1 with the metal shell 10 according to the preferred embodiment of the present utility model.

Fig. 10 is a schematic diagram showing a structure of the high-speed connector bent socket 2 according to the preferred embodiment of the present utility model.

Fig. 11 is a second schematic structural view of the high-speed connector bent socket 2 according to the preferred embodiment of the present utility model.

Fig. 12 is a schematic view showing a metal housing 20 of the bent-type receptacle 2 of the high-speed connector according to the preferred embodiment of the present utility model.

Fig. 13 is a schematic diagram showing a second structure of the metal housing 20 in the bent socket 2 of the high-speed connector according to the preferred embodiment of the present utility model.

Fig. 14 is a schematic view showing the structure of the fixing plate 23 in the high-speed connector elbow receptacle 2 according to the preferred embodiment of the present utility model.

Fig. 15 is a schematic view showing a first structure of the lock nut 25 in the bent type receptacle 2 of the high-speed connector according to the preferred embodiment of the present utility model.

Fig. 16 is a second schematic view showing the structure of the lock nut 25 in the bent socket 2 of the high-speed connector according to the preferred embodiment of the present utility model.

Fig. 17 is a schematic diagram showing the assembly of the long jack contact 21, the short jack contact 22 and the seat base 24 in the high-speed connector bent socket 2 according to the preferred embodiment of the present utility model.

Fig. 18 is a second schematic structural view showing the assembly of the long jack contact 21, the short jack contact 22 and the seat base 24 in the high-speed connector bent socket 2 according to the preferred embodiment of the present utility model.

Fig. 19 is a schematic view showing a structure in which the high-speed connector bent socket 2 is assembled to a PCB board according to a preferred embodiment of the present utility model.

Fig. 20 is a schematic structural view showing that the high-speed connector bent socket 2 is assembled to a PCB board according to a preferred embodiment of the present utility model.

Fig. 21 is a schematic diagram of a differential pair distribution of a high-speed connector according to a preferred embodiment of the present utility model.

Description of the embodiments

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on 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.

Examples

Referring to fig. 1 and 2, a straight plug 1 and a bent socket 2 of a high-speed connector are shown in an embodiment of the present utility model, wherein the straight plug 1 connector is used as a movable end, and a welding cable is used to connect the connector and a radio-frequency coaxial cable; the bent socket 2 connector adopts a through hole welding mode to realize the connection between the connector and the PCB; the straight plug 1 and the bent socket 2 are completely locked by adopting a locking accessory, and the device has the characteristics of reliability and environmental resistance.

In the preferred embodiment of the present utility model, a 3-unit connector is shown, and the high speed connectors of different sizes differ only in the number of cores, size, and are identical in construction and high speed transmission performance.

The connector is of a virtual modularized structure, the contact piece adopts a Hao-micro needle contact piece, the contact piece is superior to the contact piece made of a punched spring piece structure, the two contact pieces are combined into a differential pair for signal transmission, each differential is fixed at the corresponding position of the shell to form an independent body, independent units are shielded by a metal shielding layer, and the full-link isolation between the independent units is realized.

Referring to fig. 3, an overall structure of a straight plug 1 in a high-speed connector according to an embodiment of the present utility model is shown. It comprises a metal housing 10, two screw assemblies 14, a plurality of bases 11, a plurality of signal pins 12 and a plurality of radio frequency coaxial cables 13.

Referring to fig. 4 and 5, a schematic structural diagram of a metal housing 10 in a high-speed connector straight plug 1 according to an embodiment of the present utility model is shown. The base 11 is fixed in the butt joint end of the metal shell 10, specifically, the butt joint end of the metal shell 10 protrudes out of the metal shell 10, the butt joint end of the metal shell 10 is provided with a plurality of unit cavity 102 structures, and the base 11 is fixed in the unit cavity 102 structures; the front ends of the signal pin-in parts 12 are fixed in holes of the base 11, the signal pin-in parts 12 are shielded by the base 11, the base 11 is a modularized plastic base, the signal pin-in parts 12 are nano-pin contact parts, the tail ends of the signal pin-in parts 12 are fixed with the radio frequency coaxial cables 13, and the radio frequency coaxial cables 13 extend out of the opposite surfaces of the butt joint ends of the metal shell 10, as shown in fig. 3; grooves 103 are formed in two sides of the butt joint end of the metal shell 10, round holes 104 are formed in two sides of the opposite end of the butt joint end of the metal shell 10, the round holes 104 are communicated with the grooves 103, the screw assembly 14 sequentially penetrates through the round holes 104 and the grooves 103, and the screw assembly 14 is fixed in the round holes 104.

Referring to fig. 4 and 5, two ribs 101 are fixed at one end of the unit cavity 102 far away from the metal shell 10, so that the functions of deflection prevention and reverse installation prevention can be ensured when the straight plug 1 is in butt joint with the bent socket 2; the opposite end of the butt joint end of the metal shell 10 is provided with a glue filling cavity 106 for fixing the radio frequency coaxial cable 13; the upper and lower sidewalls of the metal case 10 are designed with a plurality of anti-slip grooves 105 and two mounting holes three 107.

Referring to fig. 6, the signal pin 12 includes a nanoneedle contact 120 and a pin 121, wherein the tail end of the nanoneedle contact 120 is connected with the pin 121 by crimping, the front end of the nanoneedle contact 120 is a butt end, the tail end of the pin 121 is welded with the inner conductor of the rf coaxial cable 13, a gasket 17 is sleeved on the surface of the pin 121, and the gasket 17 located between the pin 121 and the rf coaxial cable 13 plays a supporting role; the connection part of the two needle bodies 121 and the two radio frequency coaxial cables 13 is fixed in the fixed block 16, the outer conductors of the radio frequency coaxial cables 13 are welded with the welding area 161 on the fixed block 16, so that the fixation between the two needle bodies 121 and the radio frequency coaxial cables 13 is realized, the connection part of the needle bodies 121 and the radio frequency coaxial cables 13 is shielded, and the upper side and the lower side of the front end of the fixed block 16 extend forwards to form an extension arm 160 which is used for supporting the base 11, as shown in fig. 7.

Referring to fig. 7, a schematic assembly structure of the signal pin 12 and the base 11 is shown. Wherein, two sides of the base 11 are provided with an air gap II 112 for reducing the dielectric constant, thereby ensuring the impedance matching performance of the signal pin 12; the needle body 121 is fixed in the first mounting hole 110, two extension arms 160 on the fixed block 16 are tightly attached to the first positioning step 111 on the base 11, so as to realize a supporting function, form a base assembly, and a plurality of base assemblies are arranged in parallel with each other and finally are arranged in the metal shell 10 one by one.

Referring to fig. 8, the base assembly is assembled to the inner structure of the metal shell 10. When the radio frequency coaxial cable is assembled, the base 11 is supported by the fixed block 16 to be pushed forward, the fixed block 10 and the fixed block 16 are connected through interference press fit, and after the fixed block is pressed in place, the whole fixation of the radio frequency coaxial cable 13 in the metal shell 10 is realized through glue filling of the glue filling cavity 106; the pedestals 11 are located in the unit cavities 102 within the metal housing 10, the pedestals 11 being isolated from each other by the metal housing 10.

Referring to fig. 7, the screw assembly 14 is schematically assembled with the metal housing 10. Screw assembly 14 includes three parts: the front sleeve 140, the rear sleeve 141 and the fixing column 142, wherein the fixing column 142 passes through the mounting hole III 107 on the metal shell 10 and is fixed in the front sleeve hole 1400 on the front sleeve 140 and the rear sleeve hole 1410 on the rear sleeve 141, small holes 1420 are formed at two ends of the fixing column 142, and then the front sleeve 140 and the rear sleeve 141 are finally connected in a mode of riveting the small holes 1420; the diameter of the rear sleeve 141 is larger than that of the boss 108 on the metal shell 10, so that the screw assembly 14 is limited to move forwards, meanwhile, the step 1401 on the front sleeve 140 is also larger than that of the boss 108, the screw assembly 14 is limited to move backwards, therefore, the screw assembly 14 can only move forwards and backwards along a certain distance in the round hole 104 on the metal shell 10, the function of locking the screw assembly 14 without falling off is realized, in addition, the locking thread 1402 is designed at the front end of the front sleeve 140, and the locking function with the bent socket 2 can be realized.

Referring to fig. 11, a schematic diagram of the structure of the bent socket 2 is shown. The bent socket 2 includes a metal socket housing 20, two lock nuts 25, a plurality of modular socket bases 24, a plurality of jack contacts including long jack contacts 21 and short jack contacts 22, a plurality of shell grounding pins 201 and plate grounding pins 231, and a fixed plate 23.

Referring to fig. 11 and 18, the base 24 is fixed in the metal base housing 20, the jack contacts are fixedly inserted into the base 24, and the front ends of the jack contacts extend to the outside of the base 24, i.e., the long jack contacts 21 and the short jack contacts 22 are fixedly inserted into the base 24, and the front ends of the long jack contacts 21 and the front ends of the short jack contacts 22 extend to the outside of the base 24.

Specifically, referring to fig. 12 and 13, the metal seat shell 20 has a rectangular structure, and the front end of the metal seat shell is provided with a butt joint cavity 200 for butt joint, the shape of the metal seat shell is irregular rectangular, the butt joint cavity 200 is matched with the shape of the butt joint end of the metal shell 10, and the butt joint end of the metal shell 10 is inserted into the butt joint cavity 200, so that the reverse insertion and oblique insertion and extraction can be prevented when the straight plug 1 and the bent socket 2 are inserted; the front end of the jack contact is located in the docking cavity 200, and the rear end of the metal base housing 20 is provided with a plurality of cavities 206 for assembling internal parts, i.e. the rear end of the jack contact extends to the outside of the metal base housing 20 through the cavities 206, and the part of the rear end of the jack contact located in the metal base housing 20 is electrically connected with the PCB board, as shown in fig. 20. The cavities 206 are spaced apart from each other by metal walls forming a rear metal shield for the individual unit-to-socket connections.

When the straight plug 1 is plugged into the bent socket 2, the front end of the jack contact is inserted into the hole of the base 11, the signal pin 12 is inserted into the jack contact, the signal pin 12 is electrically connected with the jack contact to form an independent link unit, and the metal shell 10, the base 24, the base 11, the cavity 206 and the metal base shell 20 shield the link unit by 360 degrees, specifically very low crosstalk.

Referring to fig. 11, a fixing plate 23 is disposed at the rear end of the metal seat shell 20, a plurality of modularized seat bases 24, a plurality of long jack contacts 21 and short jack contacts 22 are fixed therein, the fixing plate 23 is made of metal, a plurality of plate grounding pins 231 are fixed on the surface of the fixing plate 23, and the plurality of plate grounding pins 231 are fixed on the fixing plate 23 in a press-fit manner; positioning holes 232 are designed at the edge positions of the two sides of the fixing plate 23, and the opening of each positioning hole 232 is of an oblique angle 2321 structure and is used for turning riveting and fixing after the subsequent locking nut 25 is assembled.

Referring to fig. 11, a plurality of shell grounding pins 201 are fixed on the surface of the metal base housing 20, and the shell grounding pins 201 are fixed on the metal base housing 20 by press fit; two lock nuts 25 are fixed to both ends of the metal base housing 20 for locking and fixing with the screw assembly 14 on the straight plug 1.

Referring to fig. 15 and 16, a square step 251 is fixed at the front end of the lock nut 25, an internal thread 252 locked with the lock thread 1402 is provided in the lock nut 25, and a round bench 253 is provided at the tail of the lock nut 25 for riveting with the positioning hole 232 on the fixing plate 23, so as to tightly fix the metal seat housing 20 and the fixing plate 23.

Referring to fig. 12, locking holes 203 are formed on two sides of the metal seat shell 20 for assembling the locking nut 25, the locking nut 25 is inserted into the locking hole 203, a positioning step 204 is formed at the front end of the locking hole 203, and a square step 251 is positioned in the second positioning step 204, as shown in fig. 11, so that the locking nut 25 can be ensured not to rotate; the metal seat shell 20 is provided with a second through mounting hole 205 from top to bottom, as shown in fig. 13.

The middle part of the lock nut 25 is provided with a positioning concave 254, after the bent socket 2 is used for installing a PCB, the installation screw 31 is prevented from passing through, so that the installation screw 31 smoothly passes through the lock nut 25, and as shown in fig. 20, the specific installation screw 31 sequentially penetrates through the second installation hole 205 and the positioning concave 254 and is then fixed with the PCB.

Referring to fig. 17 and 18, the long jack contact 21, the short jack contact 22 and the base 24 of the bent socket 2 are assembled in a schematic view. The long jack contact 21 and the short jack contact 22 are respectively fixed in corresponding base holes 240 on the base 24, and form a small base unit, and are shielded by the base 24, so that 360-degree full shielding, particularly extremely low crosstalk, is formed; the jack contact piece positioned at the front end of the base hole 240 is a butt joint end 210 (namely the front end of the jack contact piece), the jack contact piece positioned at the rear end of the base hole 240 is a welding end 212 (namely the tail end of the jack contact piece), the welding end 212 is fixed with the PCB, a glue filling step 211 is arranged between the welding end 212 and the welding end 212, and the glue filling step 211 is used for glue filling fixation after the base unit is assembled to the metal seat shell 20; the upper end and the lower end of the seat base 24 are fixed with limiting steps 241 for axial positioning, and the surfaces of the two sides of the seat base 24 are provided with air gaps 242 for improving characteristic impedance, so that the impedance matching performance of the contact is ensured.

Referring to fig. 19, the base assembly is assembled to the metal base housing 20. During assembly, small base units are respectively installed from the cavity 206 on the metal seat shell 20, after the small base units are installed in place, the limiting step 241 on the seat base 24 is tightly matched with the step on the metal seat shell 20, and then the glue filling step 211 is encapsulated and dried, so that the base units and the metal seat shell 20 are integrally fixed.

Referring to fig. 20, a schematic view of the structure of the high-speed connector bent socket 2 assembled to a PCB board according to the preferred embodiment of the present utility model is shown. The metal seat shell 20 and the fixing plate 23 are fixed by turning over the round bench 253 on the two locking nuts 25, and meanwhile, the positioning concave table 254 on the locking nuts 25 is coaxial with the mounting hole III 107 on the metal seat shell 20 and used for mounting the screw 31, so that the locking and fixing between the connector socket 2 and the PCB 31 can be realized.

Referring to fig. 21, a schematic diagram of a differential pair distribution of a high-speed connector according to a preferred embodiment of the present utility model is shown. Inside the connector, every differential pair is regularly arranged, separates each other through metal casing totally, forms 360 shielding, and in addition, the signal ground of connector and casing together, distribute around the differential pair, have formed good shielding effect.

It is noted that 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. Moreover, 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 phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (9)

1. A high-speed connector, characterized in that: the plug comprises a straight plug (1) and a bent socket (2), wherein the straight plug (1) is a movable end, the bent socket (2) is electrically connected with a PCB, and the straight plug (1) is detachably fixed with the bent socket (2);

the straight plug (1) comprises a metal shell (10), a plurality of signal pin-in components (12) and a plurality of bases (11), wherein the bases (11) are fixed in the butt joint ends of the metal shell (10), and the front ends of the signal pin-in components (12) are fixed in holes of the bases (11);

the bent socket (2) comprises a metal seat shell (20), a plurality of seat bases (24) and a plurality of jack contacts, wherein the seat bases (24) are fixed in the metal seat shell (20), the jack contacts are fixedly arranged in the seat bases (24) in a penetrating mode, and the front ends of the jack contacts extend to the outside of the seat bases (24);

the rear end of the metal seat shell (20) is provided with a plurality of cavities (206), the rear end of the jack contact piece penetrates through the cavities (206) to extend to the outside of the metal seat shell (20), the rear end of the jack contact piece is positioned at the outer part of the metal seat shell (20) and is electrically connected with the PCB, and the cavities (206) are separated by metal walls;

when the straight plug (1) is plugged with the bent socket (2), the front end of the jack contact is inserted into the hole of the base (11), the signal pin connector (12) is inserted into the jack contact, the signal pin connector (12) is electrically connected with the jack contact to form an independent link unit, and the link unit is shielded by the metal shell (10), the base (24), the base (11), the cavity (206) and the metal base shell (20).

2. The high-speed connector of claim 1, wherein: the butt joint end of the metal shell (10) protrudes out of the metal shell (10), a plurality of unit cavities (102) are formed in the butt joint end of the metal shell (10), a base (11) is fixed in the unit cavities (102), a radio frequency coaxial cable (13) is fixed at the tail end of the signal pin-in piece (12), the radio frequency coaxial cable (13) extends out of the opposite surface of the butt joint end of the metal shell (10), and a glue filling cavity (106) is formed in the opposite end of the butt joint end of the metal shell (10).

3. The high-speed connector of claim 2, wherein: the jack contact piece comprises a long jack contact piece (21) and a short jack contact piece (22), the long jack contact piece (21) and the short jack contact piece (22) are fixedly arranged on the seat base (24) in a penetrating mode, and the front ends of the long jack contact piece (21) and the front end of the short jack contact piece (22) extend to the outside of the seat base (24); the long jack contact piece (21) and the short jack contact piece (22) are respectively fixed in corresponding base holes (240) on the base seat (24), the jack contact piece positioned at the front end of the base hole (240) is a butt joint end (210), the jack contact piece positioned at the rear end of the base hole (240) is a welding end (212), the welding end (212) is fixed with a PCB, a glue filling step (211) is arranged between the butt joint end (210) and the welding end (212), and the glue filling step (211) is used for glue filling fixation after the base unit is assembled to the metal base shell (20); limiting steps (241) for axial positioning are fixed at the upper end and the lower end of the seat base (24), and air gaps I (242) for improving characteristic impedance are formed on the surfaces of the two sides of the seat base (24).

4. A high-speed connector according to claim 3, wherein: the signal pin assembly (12) comprises a nano-pin contact (120) and a pin body (121), wherein the tail end of the nano-pin contact (120) is in pressure connection with the pin body (121), the front end of the nano-pin contact (120) is a butt joint end, and the tail end of the pin body (121) is welded with the inner conductor of the radio frequency coaxial cable (13); the joint of the two needle bodies (121) and the two radio frequency coaxial cables (13) is fixed in the fixed block (16), the outer conductor of the radio frequency coaxial cables (13) is welded with a welding area (161) on the fixed block (16), and the upper side and the lower side of the front end of the fixed block (16) extend forwards to form an extension arm (160).

5. The high-speed connector of claim 4, wherein: air gaps II (112) are formed in two sides of the base (11), the needle body (121) is fixed in the first mounting hole (110), and the extension arm (160) on the fixed block (16) is tightly attached to the first positioning step (111) on the base (11).

6. The high-speed connector of claim 5, wherein: two convex ribs (101) are fixed at one end, far away from the metal shell (10), of the unit cavity (102), a butt joint cavity (200) is formed in the front end of the metal seat shell (20), the front end of the jack contact piece is located in the butt joint cavity (200), the shape of the jack contact piece is irregular rectangular, and the shape of the butt joint cavity (200) is matched with the shape of the butt joint end of the metal shell (10).

7. The high-speed connector of claim 6, wherein: the rear end of the metal seat shell (20) is provided with a fixed plate (23), and a plurality of plate grounding needles (231) are fixed on the surface of the fixed plate (23); positioning holes (232) are designed at the edge positions of two sides of the fixing plate (23), the opening of each positioning hole (232) is of an oblique angle (2321) structure, and a plurality of shell grounding needles (201) are fixed on the surface of the metal seat shell (20).

8. The high-speed connector of claim 7, wherein: the straight plug (1) further comprises a screw assembly (14), grooves (103) are formed in two sides of the butt joint end of the metal shell (10), round holes (104) are formed in two sides of the opposite end of the butt joint end of the metal shell (10), the round holes (104) are communicated with the grooves (103), the screw assembly (14) sequentially penetrates through the round holes (104) and the grooves (103), and the screw assembly (14) is fixed in the round holes (104);

the bent socket (2) further comprises locking nuts (25), and the two locking nuts (25) are fixed at two ends of the metal seat shell (20) and used for locking and fixing with the screw assembly (14) on the straight plug (1).

9. The high-speed connector of claim 8, wherein: the square step (251) is fixed at the front end of the lock nut (25), the internal thread (252) locked with the lock thread (1402) is arranged in the lock nut (25), the tail of the lock nut (25) is a round bench (253) and is used for turning over and riveting with the positioning holes (232) on the fixed plate (23), the locking holes (203) are formed in the two sides of the metal seat shell (20) and used for assembling the lock nut (25), the lock nut (25) is arranged in the locking holes (203) in a penetrating mode, the positioning step II (204) is formed in the front end of the locking hole (203), the square step (251) is located in the positioning step II (204), the through mounting hole II (205) is formed in the top to the bottom of the metal seat shell (20), the positioning concave table (254) is arranged in the middle of the lock nut (25), and the mounting screw (31) smoothly passes through the lock nut (25).