CN115764384A - High speed connector - Google Patents
High speed connector Download PDFInfo
- Publication number
- CN115764384A CN115764384A CN202211160376.XA CN202211160376A CN115764384A CN 115764384 A CN115764384 A CN 115764384A CN 202211160376 A CN202211160376 A CN 202211160376A CN 115764384 A CN115764384 A CN 115764384A
- Authority
- CN
- China
- Prior art keywords
- base
- metal
- shell
- jack contact
- fixed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention 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 assembly parts and a plurality of bases, the bases are fixed in butt joint ends of metal shells of the plugs, and the front ends of the signal pin assembly parts are fixed in base holes; the rear end of the jack contact piece is positioned at the outer part 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 element is inserted into the base hole, the signal needle assembly is inserted into the jack contact element, the signal needle assembly and the jack contact element are electrically connected to form an independent link unit, and the single link unit is shielded by the metal shell, the base, the cavity and the metal base shell, so that the specific extremely low crosstalk is realized.
Description
Technical Field
The invention 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 in equipment, and circuit boards and a 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 the equipment on the transmission rate of signals and the quality of high-speed transmission are higher and higher, and meanwhile, the size of the connector is required to be smaller and smaller, namely, the signal density is required to be higher and higher, so that how to ensure the impedance matching of the signals under the condition of small spacing and reduce the mutual interference among the signals becomes a difficult problem of the speed increase of the connector.
In view of this, the inventors have invented a high transmission rate, full link shielded high speed connector.
Disclosure of Invention
The present invention addresses the deficiencies of the prior art by providing a high speed connector.
After the plug connector and the socket connector are butted, a plurality of transmission paths for transmitting high-speed differential signals are formed, the transmission paths are isolated from each other in a 360-degree shielding mode of the metal shell, meanwhile, the transmission paths are completely locked by the locking accessory, the integral vibration and impact resistance of the connector is obviously improved, and the reliable connection between the plug connector and the socket connector realizes the switching of the high-speed signals between the cable and the PCB.
The invention solves the technical problems through the following technical means: the high-speed connector comprises a straight plug and a bent socket, 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 assembly parts and a plurality of bases, wherein the bases are fixed in butt joint ends of metal shells of the plug, and the front ends of the signal pin assembly parts are fixed in base holes;
the bent socket comprises a metal seat shell, a plurality of seat bases and a plurality of jack contact pieces, wherein the seat bases are fixed in the metal seat shell, the jack contact pieces are fixedly arranged in the seat bases in a penetrating manner, and the front ends of the jack contact pieces extend to the outside of the seat bases;
the rear end of the jack contact piece is positioned at the outer part 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 element is inserted into the base hole, the signal needle assembly is inserted into the jack contact element, the signal needle assembly and the jack contact element are electrically connected 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.
Furthermore, 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 needle assembly is fixed with a radio frequency coaxial cable, the radio frequency coaxial cable extends out of the opposite face 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.
Furthermore, the jack contact element comprises a long jack contact element and a short jack contact element, the long jack contact element and the short jack contact element are fixedly arranged on the base in a penetrating mode, and the front ends of the long jack contact element and the short jack contact element extend to the outside of the base; the long jack contact element and the short jack contact element are respectively fixed in corresponding base holes on a base, the jack contact element positioned at the front end of the base hole is a butt joint end, the jack contact element 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 and fixing after the base unit is assembled on the metal base shell; the upper end and the lower end of the seat base are fixedly provided with limiting steps for axial positioning, and air gaps for improving characteristic impedance are formed in the two side surfaces of the seat base.
Furthermore, the signal needle assembly comprises a nano-needle contact element and a needle body, the tail end of the nano-needle contact element is connected with the needle body in a compression joint mode, the front end of the nano-needle contact element is a butt joint end, and the tail end of the needle body is welded with an inner conductor of the coaxial cable; the connection parts of the two needle bodies and the two coaxial cables are fixed in the fixing block, the outer conductors of the coaxial cables are welded with a welding area on the fixing block, 360-degree connection between the shell and the cable shielding layer is achieved through welding of the fixing block and the radio-frequency coaxial cables, and the upper side and the lower side of the front end of the fixing block extend forwards to form the extension arm.
Furthermore, air gaps are formed in two sides of the base, the needle body is fixed in the mounting hole, and the supporting arm on the positioning block is tightly attached to the positioning step on the plastic base.
Furthermore, two convex ribs are fixed at one end of the unit cavity, which is far away from the metal shell of the plug, a butt joint cavity is formed in the front end of the metal seat shell, the front end of the jack contact element is located in the butt joint cavity, the shape of the jack contact element is irregular rectangular, and the butt joint cavity is matched with the shape of the butt joint end of the metal shell.
Furthermore, a fixed plate is arranged at the rear end of the metal seat shell, and a plurality of plate grounding pins are fixed on the surface of the fixed plate; the edge positions of two sides of the fixing plate are designed with positioning holes, the opening part of each positioning hole is of an oblique angle structure, and a plurality of shell grounding needles are fixed on the surface of the shell of the metal base.
Furthermore, the straight plug also comprises a screw assembly, two sides of the butt joint end of the metal shell are provided with grooves, two sides of the opposite end of the butt joint end of the metal shell are provided with round holes, the round holes are communicated with the grooves, the screw assembly sequentially penetrates through the round holes and the grooves, and the screw assembly is fixed in the round holes;
the bent socket further comprises locking nuts, and the two locking nuts are fixed at two ends of the metal base shell and used for being locked and fixed with screw components on the plug.
Further, the front end of the locking nut is fixed with square steps, an internal thread locked with the locking thread is arranged inside the locking nut, the tail of the locking nut is a round step and used for being turned over and riveted with a positioning hole in a fixing plate, locking holes are formed in two sides of the metal base shell and used for assembling the locking nut, the locking nut is arranged in the locking holes in a penetrating mode, the front end of each locking hole is provided with a positioning step, the square steps are located in the positioning steps, a through mounting hole is formed in the bottom of the top of the metal base shell, a positioning concave table is arranged in the middle of the locking nut, and a mounting screw smoothly passes through the locking nut.
The invention has the beneficial effects that:
(1) According to the high-speed connector, the front ends of the signal needle assemblies are fixed in the base holes, and the plurality of signal needle assemblies are shielded by the base, so that the plurality of signal needle assemblies in the straight plug are shielded; the long jack contact element and the short jack contact element are respectively fixed in corresponding base holes on the base to form a small base unit, the small base unit is shielded by the base to form shielding of a plurality of jack contact elements in the bent socket, when the straight plug is connected with the bent socket, the signal needle assembly and the jack contact elements are electrically connected to form an independent link unit, and the single link unit is shielded by the metal shell, the base, the cavity and the metal base shell to achieve specific extremely low crosstalk.
(2) According to the high-speed connector, the outer conductor of the coaxial cable is welded with the welding area on the fixing block, so that the coaxial cable is fixed, meanwhile, the metal shielding is carried out on the connecting position of the needle body and the coaxial cable, namely, the metal shielding is formed on the tail end of the signal needle assembly, and the full-link isolation of a link unit is realized.
(3) According to the high-speed connector, when the straight plug is connected with the bent socket, the locking threads at the front end of the front sleeve of the locking screw assembly are screwed into the locking nut, so that the locking function with the bent socket is realized, and the performance of the connector in severe mechanical environments such as strong vibration resistance, impact resistance and the like is effectively improved.
Drawings
Fig. 1 is a schematic structural view of a high-speed connector straight plug 1 according to a preferred embodiment of the present invention.
Fig. 2 is a schematic view of a high-speed connector angle socket 2 according to a preferred embodiment of the present invention.
Fig. 3 is a schematic view of the overall structure of a high-speed connector straight plug 1 according to a preferred embodiment of the present invention.
Fig. 4 is a first structural diagram of the metal shell 10 in the straight plug 1 of the high-speed connector according to the preferred embodiment of the invention.
Fig. 5 is a schematic structural diagram of the metal shell 10 in the straight plug 1 of the high-speed connector according to the preferred embodiment of the invention.
Fig. 6 is a schematic structural diagram of the signal pin 12 in the straight plug 1 of the high-speed connector according to the preferred embodiment of the present invention.
Fig. 7 is an assembly diagram of the signal pin 12 and the base 11 in the straight plug 1 of the high-speed connector according to the preferred embodiment of the present invention.
Fig. 8 is a schematic diagram of the inner cavity structure of the high-speed connector straight plug 1 assembled with the metal shell 10.
Fig. 9 is a schematic assembly view of the screw assembly 14 and the metal shell 10 in the high-speed connector straight plug 1 according to the preferred embodiment of the present invention.
Fig. 10 is a first schematic structural view of the high-speed connector bent-receptacle 2 according to the preferred embodiment of the present invention.
Fig. 11 is a second schematic structural view of the high-speed connector bent-receptacle 2 according to the preferred embodiment of the present invention.
Fig. 12 is a first structural view of the metal base shell 20 in the high-speed connector bent-type socket 2 according to the preferred embodiment of the invention.
Fig. 13 is a second structural view of the metal base shell 20 in the high-speed connector bent-type socket 2 according to the preferred embodiment of the invention.
Fig. 14 is a schematic structural view of the fixing plate 23 in the high-speed connector bent-type socket 2 according to the preferred embodiment of the present invention.
Fig. 15 is a first schematic view of the locking nut 25 of the high-speed connector angle socket 2 according to the preferred embodiment of the present invention.
Fig. 16 is a second structural view of the lock nut 25 in the curved receptacle 2 of the high-speed connector according to the preferred embodiment of the present invention.
Fig. 17 is a first structural diagram illustrating the assembly of the long jack contact 21, the short jack contact 22 and the socket base 24 in the curved socket 2 of the high-speed connector according to the preferred embodiment of the present invention.
Fig. 18 is a second structural diagram illustrating the assembly of the long jack contact 21, the short jack contact 22 and the socket base 24 in the curved socket 2 of the high-speed connector according to the preferred embodiment of the present invention.
Fig. 19 is a schematic diagram illustrating the assembly of the high-speed connector bent-receptacle 2 to a PCB board according to the preferred embodiment of the present invention.
Fig. 20 is a schematic diagram showing the structure of the high-speed connector bent socket 2 assembled to a PCB board according to the preferred embodiment of the present invention.
Fig. 21 is a schematic diagram of a high-speed connector differential pair distribution according to a preferred embodiment of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection 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 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 high-speed connector straight plug 1 and a bent socket 2 are shown in an embodiment of the present invention, wherein the straight plug 1 serves as a movable end, and the connector is connected to a coaxial cable in a welding cable manner; the connector of the bent socket 2 is connected with the PCB board by adopting a through hole welding mode; the straight plug 1 and the bent socket 2 are completely locked by adopting the locking accessories, and have the characteristics of reliability and environmental resistance.
In the preferred embodiment of the present invention, 3-unit connectors are shown, and high-speed connectors of different specifications are different only in the number of cores and the size, and are identical in structure and high-speed transmission performance.
The connector is of a virtual modular structure, the contact element adopts a luxury microneedle contact element which is superior to a contact element manufactured by punching a spring plate structure, two contact elements 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, the independent units are shielded through metal shielding layers, full link isolation between the independent units is realized, and the connector has the characteristics of good shielding effect, small volume, high transmission performance and the like.
Referring to fig. 3, the overall structure of the straight plug 1 in the high-speed connector according to an embodiment of the present invention is schematically shown. It includes a metal shell 10, two screw components 14, a plurality of bases 11, a plurality of signal pins 12 and a plurality of rf coaxial cables 13.
Referring to fig. 4 and 5, a metal shell 10 of the high-speed connector straight plug 1 according to an embodiment of the present invention is schematically shown. The base 11 is fixed in the butt joint end of the plug 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 elements 12 are fixed in the holes of the base 11, the signal pin elements 12 are shielded by the base 11, the base 11 is a modular plastic base, the signal pin elements 12 are nano pin contact elements, the tail ends of the signal pin elements 12 are fixed with the radio frequency coaxial cable 13, and the radio frequency coaxial cable 13 extends out of the opposite surface of the butt joint end of the metal shell 10, as shown in fig. 3; the metal casing 10 has two opposite ends with notches 103, the metal casing 10 has two opposite ends with round holes 104, the round holes 104 are communicated with the notches 103, the screw assembly 14 penetrates through the round holes 104 and the notches 103 in sequence, 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 away from the metal shell 10 of the plug, so as to ensure the functions of preventing the straight plug 1 from being inclined and preventing the bent socket 2 from being reversely assembled when being butted; 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 side walls of the metal shell 10 are designed with a plurality of anti-slip grooves 105 and two mounting holes 107.
Referring to fig. 6, the signal needle assembly 12 includes a microneedle contact element 120 and a needle body 121, wherein the tail end of the microneedle contact element 120 is connected with the needle body 121 by crimping, the front end of the microneedle contact element 120 is a butt end, the tail end of the needle body 121 is welded to the inner conductor of the coaxial cable 13, a gasket 17 is sleeved on the surface of the needle body 121, and the gasket 17 located between the needle body 121 and the coaxial cable 13 plays a supporting role; the joints of the two pins 121 and the two coaxial cables 13 are fixed in the fixing block 16, the outer conductors of the coaxial cables 13 are welded to the welding areas 161 on the fixing block 16 to realize the fixation therebetween, and the joints of the pins 121 and the coaxial cables 13 are shielded by metal, and the upper and lower sides of the front end of the fixing block 16 extend forward to form extension arms 160 for supporting the plastic base 11, as shown in fig. 7.
Referring to fig. 7, an assembly structure of the signal pin element 12 and the plastic base 11 is schematically shown. Wherein, air gaps 112 for reducing the dielectric constant are designed on two sides of the base 11, so as to ensure the impedance matching performance of the signal needle assembly 12; the needle body 121 is fixed in the mounting hole 110, the two supporting arms 160 on the positioning block 16 are tightly adhered to the positioning steps 111 on the plastic base 11 to realize the supporting function and form base assembly parts, and the plurality of base assembly parts are arranged in parallel with each other and finally are arranged in the metal shell 10 one by one.
Referring to fig. 8, the assembly of the base assembly to the inner structure of the metal housing 10 is shown. During assembly, the positioning block 16 supports the base 11 to be pushed forwards, the metal shell 10 and the positioning block 16 are connected through interference press fit, and after the metal shell is pressed in place, the radio frequency coaxial cable 13 is integrally fixed in the metal shell 10 through glue filling of the glue filling cavity 106; the base 11 is located in a unit cavity 102 inside the metal housing 10, and the bases 11 are isolated from each other by the metal housing 10.
Referring to FIG. 7, the screw assembly 14 is shown assembled with the metal shell 10. The 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 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, the two ends of the fixing column 142 are provided with small holes 1420, and then the front sleeve 140 is connected with the rear sleeve 141 by turning and riveting the small holes 1420; the diameter of the rear sleeve 141 is larger than the boss 108 on the metal shell 10, so that the screw assembly 14 is limited from moving forwards, meanwhile, the step 1401 on the front sleeve 140 is also larger than the boss 108, so that the screw assembly 14 is limited from moving backwards, so that 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 non-falling function of the locking screw assembly 14 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 type socket 2 can be realized.
Referring to fig. 11, the structure of the bent socket 2 is shown schematically. The angle socket 2 comprises a metal socket housing 20, two locking nuts 25, a plurality of modular socket bases 24, a plurality of socket contacts including long socket contacts 21 and short socket contacts 22, a plurality of housing ground pins 201 and board ground pins 231, and a fixing plate 23.
As shown in fig. 11 and 18, the seat base 24 is fixed in the metal seat shell 20, the jack contact piece is fixedly inserted into the seat base 24, the front end of the jack contact piece extends to the outside of the seat base 24, that is, the long jack contact piece 21 and the short jack contact piece 22 are both fixedly inserted into the seat base 24, and the front ends of the long jack contact piece 21 and the short jack contact piece 22 both extend to the outside of the seat base 24.
Specifically, referring to fig. 12 and 13, the metal base shell 20 has a rectangular structure, the front end of the metal base shell is provided with a butt-joint cavity 200 for butt joint, the shape of the butt-joint cavity 200 is irregular rectangular, the shape of the butt-joint cavity 200 is matched with that 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 reverse insertion and oblique insertion can be prevented when the straight plug 1 is inserted into the bent socket 2; the front end of the jack contact is located in the mating cavity 200, the rear end of the metal base shell 20 is designed 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 shell 20 through the cavities 206, and the portion of the jack contact located at the rear end of the jack contact located at the metal base shell 20 is electrically connected with the PCB board, as shown in fig. 20. The cavities 206 are separated from each other by metal walls to form a single unit butt-jack back end metal shield.
When the straight plug 1 is plugged with the bent socket 2, the front end of the jack contact element is inserted into the hole of the base 11, the signal pin assembly 12 is inserted into the jack contact element, the signal pin assembly 12 and the jack contact element are electrically connected 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 for 360 degrees, so that the specific extremely low crosstalk is achieved.
Referring to fig. 11, a fixing plate 23 is disposed at the rear end of the metal base shell 20, and a plurality of modular base 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 board grounding pins 231 are fixed on the surface of the fixing plate 23, and the plurality of board grounding pins 231 are fixed on the fixing plate 23 in a press-fit manner; the two side edges of the fixing plate 23 are provided with positioning holes 232, and the opening of the positioning hole 232 is an oblique angle 2321 structure for fixing after the 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 shell 20, and the shell grounding pins 201 are fixed on the metal base shell 20 in a press-fit manner; two locking nuts 25 are fixed at both ends of the metal base shell 20 for locking and fixing with the screw assembly 14 on the 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 a lock thread 1402 is arranged inside the lock nut 25, and a circular step 253 is arranged at the tail of the lock nut 25 and used for performing rivet turning with the positioning hole 232 on the fixing plate 23, so as to realize tight fixing of the metal seat shell 20 and the fixing plate 23.
Referring to fig. 12, locking holes 203 are formed in two sides of the metal seat housing 20 for assembling locking nuts 25, the locking nuts 25 are inserted into the locking holes 203, a positioning step 204 is formed at the front end of the locking holes 203, and a square step 251 is located in the positioning step 204, as shown in fig. 11, it can be ensured that the locking nuts 25 do not rotate; the metal base shell 20 has a through mounting hole 205 formed from the top to the bottom as shown in fig. 13.
The middle part of the locking nut 25 is provided with a positioning concave platform 254, after the bending type socket 2 is used for installing a PCB, the passing of the installation screw 31 is avoided, so that the installation screw 31 smoothly passes through the locking nut 25, as shown in fig. 20, the specific installation screw 31 sequentially penetrates through the installation hole 205 and the positioning concave platform 254 and then is fixed with the PCB.
Referring to fig. 17 and 18, the assembly structure of the long jack contact 21, the short jack contact 22 and the socket base 24 in the curved socket 2 is schematically shown. The long jack contact piece 21 and the short jack contact piece 22 are respectively fixed in the 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 is formed, and particularly, extremely low crosstalk is caused; the jack contact element positioned at the front end of the base hole 240 is a butt joint end 210 (namely the front end of the jack contact element), the jack contact element positioned at the rear end of the base hole 240 is a welding end 212 (namely the tail end of the jack contact element), 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 base shell 20; the upper end and the lower end of the base seat 24 are fixed with a limiting step 241 for axial positioning, and air gaps 242 for improving characteristic impedance are formed in the surfaces of the two sides of the base seat 24, so that the impedance matching performance of the contact element is ensured.
Referring to fig. 19, the base assembly is assembled to the inner cavity of the metal base housing 20. During assembly, the small base units are respectively loaded into the cavity 206 on the metal base shell 20, after the small base units are loaded in place, the limiting step 241 on the base 24 is tightly matched with the step on the metal base shell 20, and then the glue filling step 211 is encapsulated and dried, so that the base units and the metal base shell 20 are integrally fixed.
Referring to fig. 20, a schematic diagram of the assembly of the high-speed connector bent-receptacle 2 to a PCB is shown in accordance with the preferred embodiment of the present invention. The metal base shell 20 and the fixing plate 23 are fixed to each other by riveting the round steps 253 on the two locking nuts 25, and the positioning concave table 254 on the locking nut 25 is coaxial with the mounting hole 107 on the metal base shell 20 for the passage of the mounting 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 high speed connector differential pair distribution according to a preferred embodiment of the present invention is shown. Inside the connector, each differential pair is regularly arranged and is completely separated from each other through the metal shell to form 360-degree shielding, and in addition, the signal ground of the connector is distributed around the differential pairs together with the shell to form a good shielding effect.
It should be noted that, in this document, if there are first and second, etc., relational terms are only used for distinguishing one entity or operation from another entity or operation, and there is no necessarily any requirement or suggestion that any actual relation or order exists between the entities or operations. 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 one of 8230; \8230;" 8230; "does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.
The above examples are only intended to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (9)
1. High-speed connector, its characterized in that: the PCB 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 the PCB, and the straight plug (1) and the bent socket (2) are detachably fixed;
the straight plug (1) comprises a metal shell (10), a plurality of signal pin assemblies (12) and a plurality of bases (11), wherein the bases (11) are fixed in the butt joint end of a plug metal shell (10), and the front ends of the signal pin assemblies (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 contact elements, wherein the seat bases (24) are fixed in the metal seat shell (20), the jack contact elements are fixedly arranged in the seat bases (24) in a penetrating mode, and the front ends of the jack contact elements 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) and extends to the outside of the metal seat shell (20), the rear end of the jack contact piece is positioned at the outside of the metal seat shell (20) and is electrically connected with the PCB, and metal walls are arranged between the cavities (206) for separation;
when the straight plug (1) is plugged with the bent socket (2), the front end of the jack contact element is inserted into the hole of the base (11), the signal needle assembly (12) is inserted into the jack contact element, the signal needle assembly (12) is electrically connected with the jack contact element 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) for 360 degrees.
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), the butt joint end of the metal shell (10) is provided with a plurality of unit cavities (102), the base (11) is fixed in the unit cavities (102), the tail end of the signal needle assembly (12) is fixed with the radio frequency coaxial cable (13), the radio frequency coaxial cable (13) extends out of the opposite face of the butt joint end of the metal shell (10), and the opposite end of the butt joint end of the metal shell (10) is provided with the glue filling cavity (106).
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 base (24) in a penetrating mode, and the front end of the long jack contact piece (21) and the front end of the short jack contact piece (22) extend to the outside of the base (24); the long jack contact element (21) and the short jack contact element (22) are respectively fixed in corresponding base holes (240) on a base (24), the jack contact element positioned at the front end of the base hole (240) is a butt joint end (210), the jack contact element positioned at the rear end of the base hole (240) is a welding end (212), the welding end (212) is fixed with a PCB (printed circuit board), 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 on a metal base shell (20); the upper end and the lower end of the seat base (24) are fixedly provided with a limiting step (241) for axial positioning, and air gaps (242) for improving characteristic impedance are formed in the surfaces of the two sides of the seat base (24).
4. The high-speed connector of claim 3, wherein: the signal needle assembly (12) comprises a nano needle contact element (120) and a needle body (121), the tail end of the nano needle contact element (120) is connected with the needle body (121) in a compression joint mode, the front end of the nano needle contact element (120) is a butt joint end, and the tail end of the needle body (121) is welded with an inner conductor of a coaxial cable (13); the connection parts of the two needle bodies (121) and the two coaxial cables (13) are fixed in the fixed block (16), the outer conductors of the coaxial cables (13) are 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 (112) are formed in two sides of the base (11), the needle body (121) is fixed in the mounting hole (110), and the supporting arm (160) on the positioning block (16) is tightly attached to the positioning step (111) on the plastic base (11).
6. The high-speed connector of claim 5, wherein: two convex ribs (101) are fixed at one end of the unit cavity (102) far away from the plug metal shell (10), a butt joint cavity (200) is formed in the front end of the metal base shell (20), the front end of the jack contact piece is located in the butt joint cavity (200) and is in an irregular rectangular shape, and the butt joint cavity (200) is matched with the butt joint end of the metal shell (10) in shape.
7. The high-speed connector of claim 6, wherein: a fixed plate (23) is arranged at the rear end of the metal seat shell (20), and a plurality of plate grounding pins (231) are fixed on the surface of the fixed plate (23); the edge positions of two sides of the fixing plate (23) are designed with positioning holes (232), the opening parts of the positioning holes (232) are of an oblique angle (2321) structure, and a plurality of shell grounding pins (201) are fixed on the surface of the metal base shell (20).
8. The high-speed connector of claim 7, wherein: the straight plug (1) further comprises a screw assembly (14), two sides of the butt joint end of the metal shell (10) are provided with grooves (103), two sides of the opposite end of the butt joint end of the metal shell (10) are provided with round holes (104), 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 base shell (20) and used for locking and fixing with a screw assembly (14) on the plug (1).
9. The high-speed connector of claim 8, wherein: the front end of the locking nut (25) is fixed with a square step (251), an internal thread (252) locked by a locking thread (1402) is arranged inside the locking nut (25), the tail of the locking nut (25) is a round step (253) and is used for being riveted with a positioning hole (232) in the fixing plate (23) in a turning mode, locking holes (203) are formed in two sides of the metal base shell (20) and used for assembling the locking nut (25), the locking nut (25) penetrates through the locking holes (203), the positioning step (204) is formed in the front end of each locking hole (203), the square step (251) is located in the positioning step (204), a through mounting hole (205) is formed from the top to the bottom of the metal base shell (20), a positioning concave table (254) is arranged in the middle of the locking nut (25), and the mounting screw (31) smoothly passes through the locking nut (25).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202211160376.XA CN115764384A (en) | 2022-09-22 | 2022-09-22 | High speed connector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202211160376.XA CN115764384A (en) | 2022-09-22 | 2022-09-22 | High speed connector |
Publications (1)
Publication Number | Publication Date |
---|---|
CN115764384A true CN115764384A (en) | 2023-03-07 |
Family
ID=85351841
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202211160376.XA Pending CN115764384A (en) | 2022-09-22 | 2022-09-22 | High speed connector |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN115764384A (en) |
-
2022
- 2022-09-22 CN CN202211160376.XA patent/CN115764384A/en active Pending
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US7090501B1 (en) | Connector apparatus | |
EP1719210B1 (en) | Connector apparatus | |
US9277649B2 (en) | Cross talk reduction for high-speed electrical connectors | |
KR100992359B1 (en) | Card edge coaxial connector | |
US6079986A (en) | Stacking coaxial connector for three printed circuit boards | |
US6575761B1 (en) | Coaxial connector module and method of fabricating same | |
EP0573078A1 (en) | Controlled impedance connector assembly | |
US6808395B2 (en) | Coaxial cable termination connector for connecting to a printed circuit board | |
KR19980070470A (en) | Electrical connector | |
JP2011527819A (en) | Carrier assembly and system configured to common ground headers | |
US20040038564A1 (en) | Electrical connector | |
US8070514B2 (en) | Connector assembly having multiple contact arrangements | |
US7261592B2 (en) | Electrical connector | |
US7867032B2 (en) | Connector assembly having signal and coaxial contacts | |
US20060011384A1 (en) | Reducing or eliminating cross-talk at device-substrate interface | |
EP2419970B1 (en) | Rf electronic system and connection assembly therefore | |
US20110287642A1 (en) | Cable connector assembly employing separate inter connecting conductors and method for assembling the same | |
EP1307951B1 (en) | Sub-miniature, high speed coaxial pin interconnection system | |
CN219393783U (en) | High-speed connector | |
CN115764384A (en) | High speed connector | |
CN108963667B (en) | Grounding structure of high-frequency connector | |
CN210628645U (en) | Shielding structure of plug connector and socket connector | |
CN217691834U (en) | Electrical connector | |
CN211126073U (en) | Communication system and connection structure of antenna and combiner thereof | |
US20230085352A1 (en) | Inline Compresssion RF Connector |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination |