CN110212332B - Backplane connector and grounding buckle plate and connector assembly thereof - Google Patents
Backplane connector and grounding buckle plate and connector assembly thereof Download PDFInfo
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- CN110212332B CN110212332B CN201810166363.0A CN201810166363A CN110212332B CN 110212332 B CN110212332 B CN 110212332B CN 201810166363 A CN201810166363 A CN 201810166363A CN 110212332 B CN110212332 B CN 110212332B
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- elastic
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/71—Coupling devices for rigid printing circuits or like structures
- H01R12/72—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures
- H01R12/722—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures coupling devices mounted on the edge of the printed circuits
- H01R12/724—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures coupling devices mounted on the edge of the printed circuits containing contact members forming a right angle
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/514—Bases; Cases composed as a modular blocks or assembly, i.e. composed of co-operating parts provided with contact members or holding contact members between them
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
- H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
- H01R13/6581—Shield structure
- H01R13/6585—Shielding material individually surrounding or interposed between mutually spaced contacts
- H01R13/6586—Shielding material individually surrounding or interposed between mutually spaced contacts for separating multiple connector modules
- H01R13/6587—Shielding material individually surrounding or interposed between mutually spaced contacts for separating multiple connector modules for mounting on PCBs
Abstract
The invention relates to a backboard connector, a grounding buckle plate and a connector assembly thereof, wherein the grounding buckle plate comprises a conductive plate body fixed on one side of a differential pair mounting plate, the conductive plate body is provided with an avoidance hole for avoiding a differential pair and a through hole for a grounding needle to pass through, the edge of the through hole is provided with a contact part for contacting each grounding needle to conduct each grounding needle, the conductive plate body is also provided with an elastic buckle claw for being connected with a clamping groove of the differential pair mounting plate in a clamping manner to fixedly connect the conductive plate body with the differential pair mounting plate, all the grounding needles are connected in series through the grounding buckle plate, the shortest signal return path is provided for surrounded signals, resonance is pushed backwards in a frequency domain, and a larger transmission bandwidth is provided. Connect relatively fixed through the joint, guarantee shielding structure's stability, can realize the stable stay that switches on to the contact of ground pin, the fixed form that this kind of joint is connected, relatively convenient assembly dismantles the convenience moreover, and the packaging efficiency is high.
Description
Technical Field
The invention relates to a backplane connector, a grounding buckle plate thereof and a connector assembly.
Background
The backplane connector in the prior art includes a plurality of signal terminals and ground pins, where the signal terminals are arranged in differential pairs, and the corresponding ground pins are enclosed outside the corresponding differential pairs, so as to provide electromagnetic shielding for the corresponding differential pairs.
In the prior art, as shown in U.S. patent publication No. US2007155241a1, a plurality of L-shaped shielding strips arranged in a matrix are disposed on a differential pair mounting plate of a backplane connector, each L-shaped shielding strip is a grounding pin, and the L-shaped shielding strips have a shielding effect on a differential pair surrounded by the L-shaped shielding strips, so as to reduce crosstalk.
Disclosure of Invention
The invention aims to provide a connector assembly, which aims to solve the problems of incomplete signal return path and resonance caused by the arrangement form of a grounding pin in the prior art; it is also an object of the present invention to provide a backplane connector of the connector assembly; the invention also aims to provide the grounding buckle plate of the backboard connector.
In order to achieve the purpose, the technical scheme of the grounding buckle plate is as follows:
the grounding buckle plate comprises a current conducting plate body fixed on one side of a differential pair mounting plate, wherein a through hole used for avoiding a differential pair and used for allowing a grounding needle to pass through is formed in the current conducting plate body, a contact part used for being in contact with each grounding needle and conducting each grounding needle is arranged at the edge of the through hole, and an elastic buckle claw used for being connected with a clamping groove of the differential pair mounting plate and fixedly connecting the current conducting plate body with the differential pair mounting plate is further arranged on the current conducting plate body.
Furthermore, more than two elastic buckling claws are arranged on the conductive plate body at intervals.
Furthermore, the elastic buckling claws are divided into side buckling claws distributed on the peripheral side of the conductive plate body and orifice buckling claws arranged at the hole edge of the avoiding hole.
Furthermore, the two sides of the circumferential opposite side of the conductive plate body are provided with the side buckling claws.
Furthermore, a tongue piece is arranged at the edge of the orifice of the avoidance hole, and the orifice buckling claw is formed by bending the tongue piece towards the extending direction of the avoidance hole.
Furthermore, the elastic buckling claw and the conductive plate body are of an integral structure.
Further, the contact portion is an elastic contact portion.
Furthermore, the elastic contact part is formed by a contact elastic sheet arranged on the conductive plate body.
Furthermore, the contact spring plate is lapped on two opposite side holes of the through hole or the contact spring plate is a cantilever structure formed by extending one side hole edge of the through hole towards the opposite side hole edge.
Furthermore, the contact elastic sheets are two or three and are arranged side by side at intervals along the axial direction perpendicular to the through hole, and each contact elastic sheet comprises a middle contact elastic sheet used for being matched with the position between the two fish eyes of the grounding pin and at least one side contact elastic sheet used for being matched with the position on the back outer side of the two fish eyes of the grounding pin.
Furthermore, the contact elastic pieces are two and are arranged side by side at intervals along the axial direction perpendicular to the through hole, and the two contact elastic pieces are respectively side contact elastic pieces used for being matched with the positions of the two fish eyes of the grounding pin, which are back to the outside.
Furthermore, the contact spring and the conductive plate body are of an integrated structure.
Furthermore, the conductive plate body is also provided with an elastic conduction body which is used for being elastically pressed and contacted with the shielding shell fixed on the other side of the differential pair mounting plate so as to conduct the conductive plate body and the shielding shell.
Furthermore, the number of the elastic conduction bodies is more than two.
Further, the elastic via is divided into a side via arranged at an interval in a circumferential direction of the conductive plate body and a middle via provided in a plate surface of the conductive plate body.
Furthermore, the conductive plate body is provided with a containing hole, and the middle conduction body is a cantilever spring plate structure extending along a side hole of the containing hole and towards a corresponding side hole.
Furthermore, two cantilever spring plate structures corresponding to the same accommodating hole are arranged on the edges of two opposite side holes of the accommodating hole in an opposite mode.
Furthermore, the elastic conduction body and the conductive plate body are of an integral structure.
Furthermore, the conductive plate body is made of a metal material, conductive composite plastic or a plastic layered structure with a conductive layer on the surface.
The technical scheme of the backplane connector of the invention is as follows:
the backboard connector comprises a differential pair mounting plate, a differential pair and grounding pins, wherein a current-conducting plate body is fixed on one side plate face of the differential pair mounting plate, a through hole for avoiding the differential pair and a through hole for the grounding pins to pass through are formed in the current-conducting plate body, the edge of the through hole is provided with a contact part which is used for being in contact with each grounding pin and conducting each grounding pin, the current-conducting plate body is further provided with an elastic buckling claw, a clamping groove connected with the elastic buckling claw is formed in the differential pair mounting plate, and the current-conducting plate body and the differential pair mounting plate are connected through clamping to realize relative fixation.
Furthermore, more than two elastic buckling claws are arranged on the conductive plate body at intervals.
Furthermore, the elastic buckling claws are divided into side buckling claws distributed on the peripheral side of the conductive plate body and orifice buckling claws arranged at the hole edge of the avoiding hole.
Furthermore, the two sides of the circumferential opposite side of the conductive plate body are provided with the side buckling claws.
Furthermore, a tongue piece is arranged at the edge of the orifice of the avoidance hole, and the orifice buckling claw is formed by bending the tongue piece towards the extending direction of the avoidance hole.
Furthermore, the elastic buckling claw and the conductive plate body are of an integral structure.
Further, the contact portion is an elastic contact portion.
Furthermore, the elastic contact part is formed by a contact elastic sheet arranged on the conductive plate body.
Furthermore, the contact spring plate is lapped on two opposite side holes of the through hole or the contact spring plate is a cantilever structure formed by extending one side hole edge of the through hole towards the opposite side hole edge.
Furthermore, the contact elastic sheets are two or three and are arranged side by side at intervals along the axial direction perpendicular to the through hole, and each contact elastic sheet comprises a middle contact elastic sheet used for being matched with the position between the two fish eyes of the grounding pin and at least one side contact elastic sheet used for being matched with the position on the back outer side of the two fish eyes of the grounding pin.
Furthermore, the contact elastic pieces are two and are arranged side by side at intervals along the axial direction perpendicular to the through hole, and the two contact elastic pieces are respectively side contact elastic pieces used for being matched with the positions of the two fish eyes of the grounding pin, which are back to the outside.
Furthermore, the contact spring and the conductive plate body are of an integrated structure.
Furthermore, a shielding shell is further arranged on one side plate surface of the differential pair mounting plate, which is back to the conductive plate body, and an elastic conduction body which is in elastic top pressure contact with the shielding shell so as to conduct the conductive plate body and the shielding shell is further arranged on the conductive plate body.
Furthermore, the number of the elastic conduction bodies is more than two.
Further, the elastic via is divided into a side via arranged at an interval in a circumferential direction of the conductive plate body and a middle via provided in a plate surface of the conductive plate body.
Furthermore, the conductive plate body is provided with a containing hole, and the middle conduction body is a cantilever spring plate structure extending along a side hole of the containing hole and towards a corresponding side hole.
Furthermore, two cantilever spring plate structures corresponding to the same accommodating hole are arranged on the edges of two opposite side holes of the accommodating hole in an opposite mode.
Furthermore, the elastic conduction body and the conductive plate body are of an integral structure.
Furthermore, the conductive plate body is made of a metal material, conductive composite plastic or a plastic layered structure with a conductive layer on the surface.
The technical scheme of the connector assembly is as follows:
connector assembly, including back panel connector and sub-board connector, the back panel connector includes difference to the mounting panel, difference pair and earthing pin difference are fixed with the current conducting plate body on to mounting panel side face, be equipped with the through-hole that dodges the hole of dodging of difference pair and supply the earthing pin to pass through on the current conducting plate body, the border department of through-hole is provided with and is used for contacting with each earthing pin and the contact site that switches on each earthing pin, the current conducting plate body still is equipped with elasticity and detains the claw, the difference is equipped with the draw-in groove of being connected with elasticity knot claw joint on to the mounting panel, the current conducting plate body passes through the joint with the difference to the mounting panel and is connected the realization relatively fixed.
Furthermore, more than two elastic buckling claws are arranged on the conductive plate body at intervals.
Furthermore, the elastic buckling claws are divided into side buckling claws distributed on the peripheral side of the current-conducting plate body and orifice buckling claws arranged at the hole edge of the avoiding hole.
Furthermore, the two circumferentially opposite sides of the current conducting plate body are provided with the side buckling claws.
Furthermore, a tongue piece is arranged at the edge of the orifice of the avoidance hole, and the orifice buckling claw is formed by bending the tongue piece towards the extending direction of the avoidance hole.
Furthermore, the elastic buckling claw and the conductive plate body are of an integral structure.
Further, the contact portion is an elastic contact portion.
Furthermore, the elastic contact part is formed by a contact elastic sheet arranged on the conductive plate body.
Furthermore, the contact spring plate is lapped on two opposite side holes of the through hole or the contact spring plate is a cantilever structure formed by extending one side hole edge of the through hole towards the opposite side hole edge.
Furthermore, the contact elastic sheets are two or three and are arranged side by side at intervals along the axial direction perpendicular to the through hole, and each contact elastic sheet comprises a middle contact elastic sheet used for being matched with the position between the two fish eyes of the grounding pin and at least one side contact elastic sheet used for being matched with the position on the back outer side of the two fish eyes of the grounding pin.
Furthermore, the contact elastic pieces are two and are arranged side by side at intervals along the axial direction perpendicular to the through hole, and the two contact elastic pieces are respectively side contact elastic pieces used for being matched with the positions of the two fish eyes of the grounding pin, which are back to the outside.
Furthermore, the contact spring and the conductive plate body are of an integrated structure.
Furthermore, a shielding shell is further arranged on one side plate surface of the differential pair mounting plate, which is back to the conductive plate body, and an elastic conduction body which is in elastic top pressure contact with the shielding shell so as to conduct the conductive plate body and the shielding shell is further arranged on the conductive plate body.
Furthermore, the number of the elastic conduction bodies is more than two.
Further, the elastic via is divided into a side via arranged at an interval in a circumferential direction of the conductive plate body and a middle via provided in a plate surface of the conductive plate body.
Furthermore, the conductive plate body is provided with a containing hole, and the middle conduction body is a cantilever spring plate structure extending along a side hole of the containing hole and towards a corresponding side hole.
Furthermore, the two cantilever spring structures corresponding to the same accommodating hole are oppositely arranged on the edges of the two opposite side holes of the accommodating hole.
Furthermore, the elastic conduction body and the conductive plate body are of an integral structure.
Furthermore, the conductive plate body is made of a metal material, conductive composite plastic or a plastic layered structure with a conductive layer on the surface.
The invention has the beneficial effects that: compared with the prior art, the backplane connector provided by the invention has the advantages that the conductive plate body is arranged on one side of the differential pair mounting plate, the grounding pins are arranged on the differential pair mounting plate and positioned around the differential pair, and the grounding pins are communicated with the conductive plate body, so that all the grounding pins are connected in series through the conductive plate body, the shortest signal return path is provided for surrounded signals, the resonance is pushed backwards in a frequency domain, and a larger transmission bandwidth is provided. Simultaneously, pass through the joint with current conducting plate body and difference pair mounting panel and be connected relatively fixed, guarantee shielding structure's stability, can realize the stable stay that switches on to the contact of earthing needle simultaneously, the fixed form that this kind of joint is connected, more convenient assembly, it is convenient to dismantle moreover, and the packaging efficiency is high.
Drawings
Fig. 1 is a schematic structural diagram of a backplane connector according to embodiment 1 of the present invention;
FIG. 2 is a cut-away view of the differential pair mounting plate of FIG. 1;
FIG. 3 is a schematic diagram of the exploded structure of various parts of FIG. 1;
fig. 4 is a schematic view of the backplane connector of fig. 1 with the shielding shell removed;
FIG. 5 is a schematic view of the structure of the grounding buckle plate shown in FIG. 1;
FIG. 6 is a front view of FIG. 5;
fig. 7 is a top view of fig. 6.
Description of reference numerals: 1-differential pair mounting plate; 2-vertical plate; 3-a differential pair; 4-a grounding pin; 5-a grounding buckle plate; 6-a shielding shell; 51-a conductive plate body; 52-avoiding holes; 53-mounting holes; 54-orifice snap fingers; 55-contact spring; 56-side buckle claw; 57-conducting elastic claw; 61-case.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1 to 7, embodiment 1 of the backplane connector of the present invention includes a differential pair mounting plate 1, on which a differential pair 3 and a ground pin 4 are fixed, where the differential pair mounting plate 1 is made of an insulating material, the extending direction of the differential pair mounting plate is defined as a front-back direction, and two side plate surfaces are upper and lower plate surfaces, and then vertical plates 2 are fixed on left and right sides of the differential pair mounting plate 1, and an inner side surface of each vertical plate 2 is provided with a plurality of guide grooves for guiding and fixing to a backplane connector to which the vertical plate 2 is connected. The differential pairs 3 are provided with a plurality of differential pairs, each differential pair 3 is arranged on the differential pair mounting plate 1 in a plurality of rows and columns at intervals, meanwhile, a grounding pin 4 is further fixed at a position between two adjacent differential pairs 3 on the differential pair mounting plate 1, and the corresponding differential pair 3 is shielded through the arrangement of the grounding pins 4 around the differential pair 3. The upper plate surface of the differential pair mounting plate 1 is correspondingly provided with a differential pair mounting boss which extends upwards and is used for mounting the differential pair 3, the corresponding ground mounting boss is also provided with a ground pin 4, and the differential pair mounting boss and the ground mounting boss are arranged at intervals.
The upper side and the lower side of the differential pair mounting plate 1 are also provided with a shielding structure which is used for connecting the grounding pins 4 to integrally shield the differential pair 3 and serially connect the grounding pins 4, the shielding structure comprises a shielding shell 6 which is covered on the upper plate surface of the differential pair mounting plate 1 and a grounding buckle plate 5 which is fixed on the lower plate surface of the differential pair mounting plate 1.
For the shielding case 6, it is a lattice structure, each lattice 61 is adapted to accommodate a corresponding ground mounting boss and differential pair mounting boss, and meanwhile, the side wall of each lattice 61 can be inserted between two adjacent mounting bosses, so as to achieve shielding and positioning, each lattice 61 is a hole structure, and is conducted with the grounding pin 4 through the shielding case 6, and the insulator around the differential pair 3 is surrounded by the side wall of the lattice 61 of the shielding case 6, so as to form 360 ° ring shielding, reduce the situation that the differential pair 3 is subjected to external electromagnetic interference, and also reduce the situation that the differential pair 3 receives the interference of the adjacent differential pair 3 around.
For the grounding buckle plate 5, it is a conductive plate structure, including the conductive plate body 51, in this embodiment, because the differential pair mounting plate 1 is wholly a rectangular structure, therefore the grounding buckle plate 5 is designed into a rectangular plate structure which is attached to the differential pair mounting plate 1 in a matching manner, a corresponding avoiding hole 52 which runs through the upper and lower plate surfaces and is used for punching the lower end of the differential pair 3 is arranged on the conductive plate body 51, the aperture of the avoiding hole 52 is greater than the transverse size of the corresponding differential pair 3, therefore, the avoiding hole 52 forms a shielding hole which shields the differential pair 3 in a whole 360-degree annular manner.
Meanwhile, the conductive plate body 51 is also provided with elastic contact parts which correspond to the corresponding grounding pins 4 and are in contact conduction with the grounding pins 4, in the embodiment, the conductive plate body 51 is provided with through holes 53 for the fish eyes at the lower ends of the grounding pins 4 to pass through, the conductive plate body 51 is correspondingly provided with contact elastic sheets 55 which are connected to the edges of the two opposite side holes of the through holes 53, and the elastic contact parts are formed by the parts of the contact elastic sheets 55 which are used for being in elastic pressure contact with the grounding pins 4, meanwhile, in the embodiment, three contact elastic sheets 55 are provided, the three contact elastic sheets 55 comprise a middle contact elastic sheet which is used for being matched with the positions between the two fish eyes at the lower ends of the grounding pins and two side contact elastic sheets which are respectively used for being matched with the step positions at the outer sides opposite to the two fish eyes at the lower ends of the grounding pins, when the grounding pinch plate 5 is attached to the differential pair mounting plate 1 in the actual mounting process, the lower extreme of the corresponding earthing pin 4 stretches into the in-process to through-hole 53, and the step position of the lower extreme flake both sides of earthing pin 4 can be with the relative roof pressure downwards of three contact spring piece 55, and simultaneously, the in-process that contact spring piece 55 takes place elastic deformation applys the effort of the contact of upwards roof pressure to the lower extreme step of earthing pin 4, has guaranteed the stable contact of earthing pin 4 with contact spring piece 55, and then realizes that the contact between earthing pin 4 and the ground connection buckle 5 switches on. In the embodiment, the contact spring 55 and the conductive plate body 51 are an integral structure.
Still be equipped with the draw-in groove that upwards extends on the face under lieing in on difference to mounting panel 1, what correspond still is equipped with elasticity on current conducting plate body 51 and detains the claw, when ground connection buckle 5 is connected with difference to mounting panel 1 laminating relatively, detain the joint cooperation of claw through draw-in groove and elasticity and realize the two relatively fixed, can guarantee shielding structure's stability, the while can realize the stable support that switches on to the contact of earthing needle 4, and simultaneously, the fixed form that this kind of joint is connected, relatively convenient assembly, and it is convenient to dismantle, high assembly efficiency. In this embodiment, the elastic buckling claws include a plurality of side buckling claws 56 spaced apart along the circumferential direction of the conductive plate body 51, and further include a plurality of orifice buckling claws 54 respectively disposed at the orifice edges of the avoidance holes 52, and corresponding clamping grooves are disposed at the peripheral edges of the differential pair mounting plate 1 and the orifice edges of the avoidance holes 52. During actual assembly, the side snap fingers 56 and the port snap fingers 54 snap into engagement with corresponding slots, respectively. Meanwhile, in the present embodiment, the side catching pawls 56 are disposed on the left and right sides of the conductive plate body 51 corresponding to positions on the differential pair mounting plate 1 near the two vertical plates 2. The edge of the orifice of the avoiding hole 52 is provided with a tongue piece, and the orifice fastening claw 54 is formed by bending the tongue piece towards the extending direction of the avoiding hole 52, and in the embodiment, the elastic fastening claw and the conductive plate body 51 are in an integral structure.
In order to further ensure that the shortest signal return path is provided for the surrounded signal, in this embodiment, the shielding shell 6 and the grounding buckle 5 are conducted relatively, specifically, a through hole penetrating through the upper and lower plate surfaces of the differential pair mounting plate 1 is provided at a portion of the differential pair mounting plate 1 between the grounding mounting boss and the differential pair mounting boss, a sidewall of the box 61 structure of the shielding shell 6 passes through the through hole when mounted on the differential pair mounting plate 1 and extends to the lower plate surface of the differential pair mounting plate 1, a conducting elastic sheet 57 is correspondingly provided at a position on the conductive plate body 51 corresponding to the sidewall of the box 61 of the shielding shell 6, the conducting elastic sheet 57 forms an elastic conducting body conducting with the shielding shell, a contact portion of the conducting elastic sheet 57 protrudes upward from the upper plate surface of the conductive plate body 51, during the mounting of the shielding shell 6 and the grounding buckle 5 on the differential pair mounting plate 1, the lower extreme of the cell 61 lateral wall of shielding shell 6 can jack down and switch on shell fragment 57, makes to switch on shell fragment 57 elastic deformation downwards, guarantees to switch on the stable contact between shell fragment 57 and the shielding shell 6 simultaneously, and then realizes switching on between shielding shell 6 and the ground connection buckle 5. In this embodiment, the conductive elastic sheet 57 has a plurality of side conductive elastic sheets arranged along the circumferential direction of the conductive plate body 51 at intervals and an intermediate conductive elastic sheet arranged in the plate surface of the conductive plate body, wherein a receiving hole is provided at a position on the conductive plate body 51 corresponding to the side wall of the box 64 of the shielding case 6, and the intermediate conductive body is a cantilever elastic sheet structure that overhangs along the other side hole at one side hole of the receiving hole. And the two cantilever spring plate structures in each accommodating hole are oppositely arranged on the edges of two opposite side holes of the accommodating hole. Meanwhile, in the present embodiment, the conductive elastic piece 57 and the conductive plate body 51 are an integral structure.
In the present embodiment, the conductive plate body 51 is made of a metal material, but in other embodiments, it may be formed by electroplating a conductive layer on the surface of a conductive composite material or a plastic.
In embodiment 3 of the backplane connector according to the present invention, as a further optimization of embodiment 2, two or more elastic latching claws are arranged on the conductive plate body at intervals. Can guarantee that each position department of the face of ground connection buckle all can realize with the difference to the stable connection of mounting panel. The stable connection with the differential pair mounting panel can all be realized in each position department of face that the current conducting plate body can be guaranteed in the multiple spot contact.
In embodiment 4 of the backplane connector according to the present invention, as a further optimization of embodiment 3, the elastic latching claws are divided into side latching claws distributed on the peripheral side of the conductive plate body and orifice latching claws arranged at the hole edges of the avoiding holes. The connection with the differential pair mounting panel can be realized to each position department of the face of current conducting plate body homoenergetic. Of course, in other embodiments, the elastic buckling claws may only include at least two side buckling claws which are distributed at intervals along the circumferential direction of the conductive plate body; the elastic buckling claws only comprise at least two orifice buckling claws which are respectively arranged at the orifice edge of the avoidance hole, so that the processing time is shortened.
In embodiment 5 of the backplane connector of the present invention, as a further optimization of embodiment 4, the two circumferentially opposite sides of the conductive plate body are provided with the side-buckling claws, so that the connection between the conductive plate body and the differential pair mounting plate can be realized by fixing the two points on the two circumferentially opposite sides, and the mounting paths of the differential pair and the ground pin are not affected.
In embodiment 6 of the backplane connector according to the present invention, as a further optimization of embodiment 4, a tongue piece is disposed at an edge of an aperture of the avoiding hole, and the aperture catch is formed by bending the tongue piece toward an extending direction of the avoiding hole.
In embodiment 7 of the backplane connector according to the present invention, as a further improvement to any of embodiments 2 to 6, the elastic latching claw and the conductive plate body are integrally structured. The performance of the elastic buckling claw can be ensured and the replacement is convenient while the processing is convenient. Of course, in other embodiments, the elastic buckling claws may be fixedly connected with the conductive plate body by other methods such as embedding or welding.
In embodiment 8 of the backplane connector according to the present invention, as a further optimization of embodiment 2, the contact portion is an elastic contact portion. The structure form of the elastic contact part can ensure the stable contact between the grounding pin and the current conducting plate body, and the effectiveness of conduction is ensured.
In embodiment 9 of the backplane connector according to the present invention, as a further preferable configuration to embodiment 8, the elastic contact portion is formed by a contact spring provided on the conductive plate body. The processing is convenient, and the elasticity can be satisfied. Of course, in other embodiments, the contact spring may also be formed by an elastic protrusion or an elastic contact finger disposed on the conductive plate body.
In embodiment 10 of the backplane connector of the present invention, as a further optimization of embodiment 9, the contact spring pieces are lapped on the edges of two opposite side holes of the through hole, so that the arrangement of the grounding buckle plate can be ensured not to interfere with the installation path of the grounding pin, and meanwhile, the elastic deformation space of the contact spring pieces in the through holes can also be ensured by arranging the contact spring pieces. Of course, in other embodiments, the contact spring may be a cantilever structure formed by extending one side edge of the through hole toward the opposite side edge, and may also ensure stable contact with the ground pin.
Embodiment 11 of the backplane connector of the present invention is further optimized as to embodiment 10, wherein two contact spring pieces are arranged side by side at intervals in an axial direction perpendicular to the through hole, and each contact spring piece comprises a middle contact spring piece for being matched with a position between two fish eyes of the ground pin and a side contact spring piece for being matched with a position, facing back and outside, of the two fish eyes of the ground pin. Of course, in other embodiments, the number of the contact springs may be three, and the contact springs are arranged side by side at intervals along the axial direction perpendicular to the through hole, and include a middle contact spring for engaging with a position between two fish eyes of the grounding pin and two side contact springs for engaging with positions outside the two fish eyes of the grounding pin. Therefore, multipoint contact between one grounding pin and the current conducting plate body can be realized, and the contact effect and the contact stability are ensured.
In embodiment 12 of the backplane connector according to the present invention, as a further optimization of embodiment 10, two contact spring pieces are arranged side by side at intervals along an axial direction perpendicular to the through hole, and the two contact spring pieces are side contact spring pieces for being engaged with positions of the two fisheyes of the ground pin facing back and outside, respectively. Through the mode that both ends were supported, also can realize the stable contact of contact shell fragment and earthing pin.
In embodiment 13 of the backplane connector according to the present invention, as a further optimization of any one of embodiments 8 to 12, the contact spring and the conductive plate body are integrated. Convenient processing, also can contact the elastic effect of shell fragment.
In embodiment 14 of the backplane connector according to the present invention, as a further optimization of embodiment 2, a shielding shell is further disposed on a side plate surface of the differential pair mounting plate opposite to the conductive plate body, and the conductive plate body is further provided with an elastic conduction body in elastic pressure contact with the shielding shell so as to conduct the conductive plate body and the shielding shell. The shielding shell and the current-conducting plate body are in elastic jacking contact through the elastic conduction body, so that stable and good conduction of the shielding shell and the current-conducting plate body can be realized, and a better shielding effect is realized.
In example 15 of the backplane connector according to the present invention, as a further optimization of example 14, two or more elastic conductors are provided. Realize the multiple spot contact between current conducting plate body and the shielding shell, guarantee contact effect and contact stability.
Embodiment 16 of the backplane connector according to the present invention is further optimized to embodiment 15, wherein the differential pair mounting board is provided with through holes through which the shield case passes, and the elastic conductive conductors are divided into side conductive conductors arranged at intervals in a circumferential direction of the conductive plate body and intermediate conductive conductors provided in the plate surfaces of the conductive plate body. Can guarantee all have in the week side of current conducting plate body and the face can with the position of shielding shell contact, guarantee the stability and the contact effect of contact. Of course, an intermediate via or a side via may be further provided.
In embodiment 17 of the backplane connector according to the present invention, as a further optimization of embodiment 16, the conductive plate body is provided with a receiving hole, and the intermediate conductive body is a cantilever spring structure extending from one side of the receiving hole toward an opposite side of the receiving hole. And a deformation space is ensured when the middle conduction body is elastically deformed. Or the accommodating hole is not arranged, and the elastic bulge is directly arranged on the plate surface of the conductive plate body.
In embodiment 18 of the backplane connector according to the present invention, as a further optimization of embodiment 17, two cantilever spring structures corresponding to the same receiving hole are oppositely disposed on the edges of two opposite side holes of the receiving hole. Two cantilever shell fragment structures carry out the contact to a shielding shell, realize single multi-point contact, guarantee contact effect and contact stability. It is also possible to provide only one cantilever spring structure, or to provide a plurality of opposing spaced apart arrangements.
In embodiment 19 of the backplane connector according to the present invention, as a further improvement of any one of embodiments 14 to 18, the elastic conductive body and the conductive plate body are integrally structured. Convenient processing also can switch on the elastic effect of bullet claw.
In embodiment 20 of the backplane connector according to the present invention, as a further optimization of any one of embodiments 2 to 6, 8 to 12, and 14 to 18, the conductive plate body is made of a metal material, a conductive composite plastic, or a plastic layered structure having a conductive layer on a surface thereof. The selected material can be selected at will according to actual cost, conductive performance, shielding effect and the like while the conductive performance of the grounding buckle plate body is ensured.
The embodiment of the connector assembly according to the present invention includes a backplane connector and a daughter board connector, and the structure of the backplane connector is the same as that of any of embodiments 1 to 20 of the backplane connector described above, and is not expanded in detail.
The structure of the grounding buckle plate according to the embodiment of the present invention is the same as that of the grounding buckle plate in any one of embodiments 1 to 20 of the backplane connector described above, and the detailed description thereof is omitted.
Claims (48)
1. The ground connection buckle, its characterized in that: comprises a conductive plate body fixed on one side of a differential pair mounting plate, wherein the conductive plate body is provided with an avoidance hole for avoiding the differential pair and a through hole for a grounding pin to pass through, the through hole is an upper through hole and a lower through hole, the edge of the through hole is provided with a contact part for contacting each grounding pin to conduct each grounding pin, the contact part is an elastic contact part, the elastic contact part is formed by a contact elastic sheet arranged on the conductive plate body, two ends of the contact elastic sheet are respectively connected to two opposite side hole edges of the through hole, the contact elastic sheet integrally extends to the other side hole edge from one side hole edge of the two opposite side hole edges of the through hole, the contact elastic sheet and the through hole of the through hole are arranged at intervals along the hole edge vertical to the extending direction of the contact elastic sheet, during installation, the lower end of the grounding pin extends into the through hole, and an acting force which pushes up and contacts the lower end step of the grounding pin is applied to the lower end step of the grounding pin in the process that the contact elastic sheet is elastically deformed; the current-conducting plate body is also provided with an elastic buckling claw which is used for being connected with the clamping groove of the differential pair mounting plate in a clamping manner and fixedly connecting the current-conducting plate body with the differential pair mounting plate.
2. The grounding buckle plate of claim 1, wherein: the elastic buckling claws are more than two and are arranged on the conductive plate body at intervals.
3. The grounding buckle plate of claim 2, wherein: the elastic buckling claws are divided into side buckling claws distributed on the peripheral side of the current conducting plate body and orifice buckling claws arranged at the hole edge of the avoiding hole.
4. The grounding buckle plate of claim 3, wherein: the two sides of the current conducting plate body, which are opposite to each other in the circumferential direction, are provided with the side buckling claws.
5. The grounding buckle plate of claim 3, wherein: the edge of the orifice of the avoiding hole is provided with a tongue piece, and the orifice buckling claw is formed by bending the tongue piece towards the extending direction of the avoiding hole.
6. The grounding buckle plate according to any one of claims 1 to 5, wherein: the elastic buckling claw and the conductive plate body are of an integral structure.
7. The grounding buckle plate of claim 1, wherein: the contact elastic pieces are two or three and are arranged side by side at intervals along the axial direction perpendicular to the through hole, and each contact elastic piece comprises a middle contact elastic piece and at least one side contact elastic piece, wherein the middle contact elastic piece is used for being matched with the position between the two fish eyes of the grounding pin, and the side contact elastic piece is used for being matched with the position on the back outer side of the two fish eyes of the grounding pin.
8. The grounding buckle plate of claim 1, wherein: the contact shell fragment has two, arranges side by side along perpendicular to through-hole axial interval, and two contact shell fragments are respectively for being used for with the position complex avris contact shell fragment in the back of the body outside of two eyes of ground pin.
9. The grounding buckle plate according to claim 1, 7 or 8, characterized in that: the contact spring and the conductive plate body are of an integrated structure.
10. The grounding buckle plate of claim 1, wherein: the conductive plate body is also provided with an elastic conduction body which is used for elastically pressing and contacting with the shielding shell fixed on the other side of the differential pair mounting plate so as to conduct the conductive plate body and the shielding shell.
11. The grounding buckle plate of claim 10, wherein: the number of the elastic conduction bodies is more than two.
12. The grounding buckle plate of claim 11, wherein: the elastic conduction body is divided into a side conduction body and a middle conduction body, wherein the side conduction body is arranged along the circumferential direction of the conductive plate body at intervals, and the middle conduction body is arranged in the plate surface of the conductive plate body.
13. The grounding buckle plate of claim 12, wherein: the conducting plate body is provided with a containing hole, and the middle conducting body is a cantilever spring plate structure extending along a side hole facing to a corresponding side hole of the containing hole.
14. The grounding buckle plate of claim 13, wherein: the two cantilever spring plate structures corresponding to the same accommodating hole are oppositely arranged on the edges of the two opposite side holes of the accommodating hole.
15. The grounding buckle plate according to any one of claims 10 to 14, wherein: the elastic conduction body and the conductive plate body are of an integral structure.
16. The grounding buckle plate according to any one of claims 1 to 5, 7 to 8 and 10 to 14, wherein: the conductive plate body is made of metal materials, conductive composite plastics or a plastic layered structure with a conductive layer on the surface.
17. The backboard connector comprises a differential pair mounting plate, a differential pair and a grounding pin, and is characterized in that: a conductive plate body is fixed on one side plate surface of the differential pair mounting plate, an avoidance hole for avoiding the differential pair and a through hole for the grounding pin to pass through are arranged on the conductive plate body, the through hole is an upper through hole and a lower through hole, a contact part for contacting each grounding pin to conduct each grounding pin is arranged at the edge of the through hole, the contact part is an elastic contact part which is formed by a contact elastic sheet arranged on the conductive plate body, two ends of the contact elastic sheet are respectively connected to two opposite side holes of the through hole along the upper part, the contact elastic sheet integrally extends to another side hole along the upper part from one side hole along the two opposite side holes of the through hole, the contact elastic sheet and the through hole are arranged along the interval in the direction vertical to the extending direction of the contact elastic sheet, during installation, the lower end of the grounding pin extends into the through hole, and an acting force which pushes up and contacts the lower end step of the grounding pin is applied to the lower end step of the grounding pin in the process that the contact elastic sheet is elastically deformed; the current conducting plate body is further provided with an elastic buckling claw, the differential pair mounting plate is provided with a clamping groove connected with the elastic buckling claw in a clamping mode, and the current conducting plate body and the differential pair mounting plate are connected in a clamping mode to achieve relative fixation.
18. The backplane connector of claim 17, wherein: the elastic buckling claws are more than two and are arranged on the conductive plate body at intervals.
19. The backplane connector of claim 18, wherein: the elastic buckling claws are divided into side buckling claws distributed on the peripheral side of the current conducting plate body and orifice buckling claws arranged at the hole edge of the avoiding hole.
20. The backplane connector of claim 19, wherein: the circumference of the current-conducting plate body is provided with the side buckling claws on two sides in a back-to-back manner.
21. The backplane connector of claim 19, wherein: the orifice edge of the avoiding hole is provided with a tongue piece, and the orifice buckling claw is formed by bending the tongue piece towards the extending direction of the avoiding hole.
22. The backplane connector of any one of claims 17 to 21, wherein: the elastic buckling claw and the conductive plate body are of an integral structure.
23. The backplane connector of claim 17, wherein: the contact elastic pieces are two or three and are arranged side by side at intervals along the axial direction perpendicular to the through hole, and each contact elastic piece comprises a middle contact elastic piece and at least one side contact elastic piece, wherein the middle contact elastic piece is used for being matched with the position between the two fish eyes of the grounding pin, and the side contact elastic piece is used for being matched with the position on the back outer side of the two fish eyes of the grounding pin.
24. The backplane connector of claim 17, wherein: the contact shell fragment has two, arranges side by side along perpendicular to through-hole axial interval, and two contact shell fragments are respectively for being used for with the position complex avris contact shell fragment in the back of the body outside of two eyes of ground pin.
25. The backplane connector of claim 17 or 23 or 24, wherein: the contact spring plate and the conductive plate body are of an integrated structure.
26. The backplane connector of claim 17, wherein: the difference still is equipped with the shielding shell on the face of one side of current conducting plate body back to the mounting panel, still is equipped with on the current conducting plate body with the elastic conduction body that the contact of shielding shell elasticity top pressure switches on so that current conducting plate body and shielding shell switch on.
27. The backplane connector of claim 26, wherein: the number of the elastic conduction bodies is more than two.
28. The backplane connector of claim 27, wherein: the elastic conduction body is divided into a side conduction body and a middle conduction body, wherein the side conduction body is arranged along the circumferential direction of the conductive plate body at intervals, and the middle conduction body is arranged in the plate surface of the conductive plate body.
29. The backplane connector of claim 28, wherein: the conducting plate body is provided with a containing hole, and the middle conducting body is a cantilever spring plate structure extending along a side hole facing to a corresponding side hole of the containing hole.
30. The backplane connector of claim 29, wherein: the two cantilever spring plate structures corresponding to the same accommodating hole are oppositely arranged on the edges of the two opposite side holes of the accommodating hole.
31. The backplane connector of any one of claims 26 to 30, wherein: the elastic conduction body and the conductive plate body are of an integral structure.
32. The backplane connector of any one of claims 17-21, 23-24, 26-30, wherein: the conductive plate body is made of metal materials, conductive composite plastics or a plastic layered structure with a conductive layer on the surface.
33. The connector assembly comprises a backplane connector and a daughter board connector, wherein the backplane connector comprises a differential pair mounting plate, a differential pair and a grounding pin, and is characterized in that: a conductive plate body is fixed on one side plate surface of the differential pair mounting plate, an avoidance hole for avoiding the differential pair and a through hole for the grounding pin to pass through are arranged on the conductive plate body, the through hole is an upper through hole and a lower through hole, a contact part for contacting each grounding pin to conduct each grounding pin is arranged at the edge of the through hole, the contact part is an elastic contact part, the elastic contact part is formed by a contact elastic sheet arranged on the conductive plate body, two ends of the contact elastic sheet are respectively connected to two opposite side hole edges of the through hole, the contact elastic sheet integrally extends to the other side hole edge from one side hole edge of the two opposite side hole edges of the through hole, the contact elastic sheet and the through hole of the through hole are arranged at intervals along the hole edge vertical to the extending direction of the contact elastic sheet, during installation, the lower end of the grounding pin extends into the through hole, and an acting force which pushes up and contacts the lower end step of the grounding pin is applied to the lower end step of the grounding pin in the process that the contact elastic sheet is elastically deformed; the current conducting plate body is further provided with an elastic buckling claw, the differential pair mounting plate is provided with a clamping groove connected with the elastic buckling claw in a clamped mode, and the current conducting plate body and the differential pair mounting plate are connected through the clamping mode to achieve relative fixing.
34. The connector assembly of claim 33, wherein: the elastic buckling claws are more than two and are arranged on the conductive plate body at intervals.
35. The connector assembly of claim 34, wherein: the elastic buckling claws are divided into side buckling claws distributed on the peripheral side of the current conducting plate body and orifice buckling claws arranged at the hole edge of the avoiding hole.
36. The connector assembly of claim 35, wherein: the circumference of the current-conducting plate body is provided with the side buckling claws on two sides in a back-to-back manner.
37. The connector assembly of claim 35, wherein: the orifice edge of the avoiding hole is provided with a tongue piece, and the orifice buckling claw is formed by bending the tongue piece towards the extending direction of the avoiding hole.
38. The connector assembly of any one of claims 33 to 37, wherein: the elastic buckling claw and the conductive plate body are of an integral structure.
39. The connector assembly of claim 33, wherein: the contact elastic pieces are two or three and are arranged side by side at intervals along the axial direction perpendicular to the through hole, and each contact elastic piece comprises a middle contact elastic piece and at least one side contact elastic piece, wherein the middle contact elastic piece is used for being matched with the position between the two fish eyes of the grounding pin, and the side contact elastic piece is used for being matched with the position on the back outer side of the two fish eyes of the grounding pin.
40. The connector assembly of claim 33, wherein: the contact shell fragment has two, arranges side by side along perpendicular to through-hole axial interval, and two contact shell fragments are respectively for being used for with the position complex avris contact shell fragment in the back of the body outside of two eyes of ground pin.
41. The connector assembly of claim 33 or 39 or 40, wherein: the contact spring and the conductive plate body are of an integrated structure.
42. The connector assembly of claim 33, wherein: the difference still is equipped with the shielding shell on the face of one side of current conducting plate body back to the mounting panel, still is equipped with on the current conducting plate body with the elastic conduction body that the contact of shielding shell elasticity top pressure switches on so that current conducting plate body and shielding shell switch on.
43. The connector assembly of claim 42, wherein: the number of the elastic conduction bodies is more than two.
44. The connector assembly of claim 43, wherein: the elastic conduction body is divided into a side conduction body and a middle conduction body, wherein the side conduction body is arranged along the circumferential direction of the conductive plate body at intervals, and the middle conduction body is arranged in the plate surface of the conductive plate body.
45. The connector assembly of claim 44, wherein: the conducting plate body is provided with a containing hole, and the middle conducting body is a cantilever spring plate structure extending along a side hole facing to a corresponding side hole of the containing hole.
46. The connector assembly of claim 45, wherein: the two cantilever spring plate structures corresponding to the same accommodating hole are oppositely arranged on the edges of the two opposite side holes of the accommodating hole.
47. A connector assembly according to any one of claims 42 to 46, wherein: the elastic conduction body and the conductive plate body are of an integral structure.
48. A connector assembly according to any one of claims 33 to 37, 39 to 40, 42 to 46, wherein: the conductive plate body is made of metal materials, conductive composite plastics or a plastic layered structure with a conductive layer on the surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810166363.0A CN110212332B (en) | 2018-02-28 | 2018-02-28 | Backplane connector and grounding buckle plate and connector assembly thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810166363.0A CN110212332B (en) | 2018-02-28 | 2018-02-28 | Backplane connector and grounding buckle plate and connector assembly thereof |
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| CN110212332A CN110212332A (en) | 2019-09-06 |
| CN110212332B true CN110212332B (en) | 2022-06-17 |
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| CN201810166363.0A Active CN110212332B (en) | 2018-02-28 | 2018-02-28 | Backplane connector and grounding buckle plate and connector assembly thereof |
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| US10931062B2 (en) * | 2018-11-21 | 2021-02-23 | Amphenol Corporation | High-frequency electrical connector |
| TW202135385A (en) | 2020-01-27 | 2021-09-16 | 美商Ｆｃｉ美國有限責任公司 | High speed connector |
| US11469554B2 (en) | 2020-01-27 | 2022-10-11 | Fci Usa Llc | High speed, high density direct mate orthogonal connector |
| CN114122831B (en) * | 2020-08-27 | 2023-04-28 | 华为技术有限公司 | Connector assembly and communication equipment |
| CN112636046B (en) * | 2020-11-30 | 2022-04-22 | 中航光电科技股份有限公司 | Chip of orthogonal connector, orthogonal connector and connector assembly |
| CN114665330B (en) * | 2020-12-22 | 2023-01-06 | 华为技术有限公司 | Connector, function board and board level framework |
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| CN101383467A (en) * | 2007-09-05 | 2009-03-11 | 贵州航天电器股份有限公司 | High-speed high-density connector with central shielding needle |
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