CN208835314U - Back panel connector - Google Patents

Abstract

The embodiment of the present application discloses a kind of back panel connector, including insulating body and the conductive terminal being immobilizated in insulating body；Insulating body is equipped with the holding hole interted and fixed for conductive terminal and the fixing fit structure mating with docking connector；Conductive terminal is arranged at array, and conductive terminal is equipped with holding parts, holding parts and holding hole location fit；Conductive terminal includes the first conductor terminal set, first conductor terminal set is made of several first conductive terminals, first conductor terminal set include several first signal terminals to several first ground terminals pair, the first conductive terminal includes holding parts, the extension upwardly extended from holding parts and for the plug division mating with docking connector；The sectional area of extension is greater than the sectional area of plug division.Therefore, back panel connector provided in this embodiment can reduce crosstalk between the first signal terminal pair and improve impedance matching, and then promote high speed transmission of signals performance.

Description

Back panel connector

Technical field

The invention relates to the field of connectors of signal transmission more particularly to a kind of back panel connectors.

Background technique

Recorded according to Baidupedia, back panel connector be large-scale communication apparatus, very-high performance server and supercomputer, The common a kind of connector of industrial computer, high-end storage equipment.Back panel connector is mainly used for transmitting differential signal or single-ended Signal, and transmitting high current.

In the prior art, back panel connector generally includes the conductive terminal that insulating body is immobilizated in insulating body.Absolutely Edge ontology is equipped with the holding hole interted and fixed for conductive terminal and the mating fixing fit structure of docking connector.It is conductive Terminal is arranged at array.Conductive terminal is equipped with holding parts, and holding parts are equipped with convex closure, for positioning with the holding hole of insulating body Cooperation realizes that conductive terminal and stablizing for insulating body cooperate.But how back panel connector reduces string when transmitting signal It disturbs and has become problem in the industry.

In view of this, to reduce crosstalk, promoting high speed transmission of signals it is really necessary to provide a kind of new back panel connector Energy.

Summary of the invention

The embodiment of the present application provides a kind of back panel connector, to reduce crosstalk, promotes high speed transmission of signals performance.

In order to solve the above technical problems, the embodiment of the present application provides:

A kind of back panel connector, the back panel connector include insulating body and the conduction that is immobilizated in the insulating body Terminal；The insulating body is equipped with to be interted and the holding hole fixed and mating with docking connector for the conductive terminal Fix fit structure；The conductive terminal is arranged at array, the conductive terminal be equipped with holding parts, the holding parts with it is described Holding hole location fit；The conductive terminal includes the first conductor terminal set, and first conductor terminal set is led by several first Electric terminal composition, first conductor terminal set include several first signal terminals to several first ground terminals pair, it is described First conductive terminal includes the holding parts, the extension upwardly extended from the holding parts and is used for and docking connector grafting The plug division of cooperation；The sectional area of the extension is greater than the sectional area of the plug division.

In a kind of preferred embodiment, the sectional area of the extension is greater than twice of the sectional area of the plug division.

In a kind of preferred embodiment, in horizontal and vertical direction, first signal terminal to first ground connection Terminal is to being alternatively arranged；First signal terminal to include two laterally adjacent first conductive terminals, described first Ground terminal is to including two laterally adjacent first conductive terminals or first signal terminal to including longitudinally adjacent Two first conductive terminals, first ground terminal to include two longitudinally adjacent first conductive terminals.

In a kind of preferred embodiment, first conductive terminal include the holding parts, from one side of holding parts to The mounting portion of lower extension；The mounting portion of the two of first signal terminal pair, first conductive terminal is disposed adjacent, institute The mounting portion for stating two first conductive terminals of the first ground terminal pair is disposed adjacent.

In a kind of preferred embodiment, the back panel connector further includes shielding part, and the insulating body is equipped with for fixed The securing groove of the position shielding part；The shielding part and the securing groove location fit；The shielding part includes several transverse direction The first shielding piece being arranged and several longitudinally disposed secondary shielding pieces；The first shielding piece and the secondary shielding piece are matched Conjunction forms several terminal accommodating spaces, first signal terminal pair and/or first ground terminal to being arranged in the end Sub- accommodating space.

In a kind of preferred embodiment, the first shielding piece is relative to every of first ground terminal pair described the One conductive terminal is equipped with elastic arm, and the elastic arm supports the holding parts of first conductive terminal.

In a kind of preferred embodiment, every of first ground terminal pair, first conductive terminal is by mutually adjacent The elastic arms of the two first shielding pieces support in opposite directions or every of first ground terminal pair described first conductive The side of terminal is supported by the elastic arm of adjacent the first shielding piece.

In a kind of preferred embodiment, the first shielding piece and the secondary shielding piece are equipped with mutual clamping structure.

In a kind of preferred embodiment, the conductive terminal further includes the second conductor terminal set, first conductive terminal Group is used for transmission high speed signal, and second conductor terminal set is used for transmission low speed signal.

Compared with prior art, the embodiment of the present application has the advantages that in the embodiment of the present application, the first conducting end Attached bag includes the holding parts, the extension upwardly extended from the holding parts and for the grafting mating with docking connector Portion；The sectional area of the extension is greater than the sectional area of the plug division, between two plug divisions of the first signal terminal pair away from From increase, the influence of capacity effect is reduced, therefore, back panel connector provided in this embodiment can reduce the first signal terminal pair Between crosstalk and improve impedance matching, and then promoted high speed transmission of signals performance.

Detailed description of the invention

Attached drawing described herein is used to provide to further understand the embodiment of the present application, constitutes the embodiment of the present application A part, the schematic application embodiment of the embodiment of the present application and its explanation are not constituted pair for explaining the embodiment of the present application The improper restriction of the embodiment of the present application.In the accompanying drawings:

Fig. 1 is the perspective view for the back panel connector that one embodiment of the application provides；

Fig. 2 is the top view for the back panel connector that one embodiment of the application provides；

Fig. 3 is the first conductor terminal set and shielding part cooperation signal for the back panel connector that one embodiment of the application provides Figure；

Fig. 4 is the front view of the first conductor terminal set of the back panel connector that one embodiment of the application provides；

Fig. 5 is the perspective view of the first conductive terminal of the back panel connector that one embodiment of the application provides；

Fig. 6 is the perspective view of the shielding part for the back panel connector that one embodiment of the application provides.

Specific embodiment

To keep the purposes, technical schemes and advantages of the application clearer, below in conjunction with the specific embodiment of the application And technical scheme is clearly and completely described in corresponding attached drawing.Obviously, described embodiment is only the application A part of the embodiment, instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not having Every other embodiment obtained under the premise of creative work is made, shall fall in the protection scope of this application.

Here, it should also be noted that, in order to avoid having obscured the application because of unnecessary details, in the accompanying drawings only The structure and/or processing step closely related with the section Example of the application are shown, and the part with the application is omitted The little other details of embodiment relationship.

In addition, it should also be noted that, the terms "include", "comprise", " having " or its any other variant are intended to contain Lid non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.

For convenience, front and back position is relative position up and down in the application, does not constitute a limitation realization and limits.

It please join Fig. 1 to Fig. 6, the embodiment of the present application provides back panel connector 100, may include insulating body 1, is immobilizated in Conductive terminal 2 and shielding part 3 in insulating body 1.

The insulating body 1 is equipped with the holding hole interspersed and fixed for conductive terminal 2, for the clamping of bit mask part 3 Slot and the fixing fit structure mating with docking connector.The section of the insulating body 1 is generally U-shaped.

The conductive terminal 2 is arranged at array.The conductive terminal 2 is equipped with holding parts, and the holding parts are equipped with convex closure, For the holding hole location fit with insulating body 1, realize that conductive terminal 2 and stablizing for insulating body 1 cooperate.The conducting end Son 2 is divided into the first conductor terminal set 21 and the second conductor terminal set 22.In one embodiment, first conductor terminal set 21 are used for transmission high speed signal, and second conductor terminal set 22 is used for transmission low speed signal.

First conductor terminal set 21 is made of several first conductive terminals 210, and is divided into several first signal terminals To 211 and several first ground terminals to 212.Please join Fig. 3 in detail, in the present embodiment, first signal terminal includes cross to 211 To two adjacent the first conductive terminals 210, it can be used for differential signal transmission.First ground terminal also includes to 212 Two laterally adjacent the first conductive terminals 210.In horizontal and vertical direction, first signal terminal connects 211 and first Ground terminal is alternatively arranged to 212.In other embodiments, first signal terminal includes longitudinally adjacent two the to 211 One conductive terminal 210.First ground terminal also includes two longitudinally adjacent the first conductive terminals 210 to 212.In transverse direction And longitudinal direction, first signal terminal to 211 and first ground terminal be alternatively arranged to 212.Therefore, the present embodiment provides Back panel connector 100 can reduce the first signal terminal to crosstalk between 211 and improve impedance matching, and then promote high speed and believe Number transmission performance.

It please join Fig. 5, the extension that first conductive terminal 210 includes holding parts 2101, upwardly extends from holding parts 2101 Portion 2102, for the plug division 2103 mating with docking connector, connect the connection of extension 2102 and plug division 2103 Portion 2104, the connection-peg 2105 for being located above free terminal and the mounting portion extended downwardly from the lower ora terminalis side of holding parts 2101 2106.The extension 2102 is in cuboid, and the plug division 2103 is in cuboid.The sectional area of the extension 2102 is greater than The sectional area of plug division 2103, further, the sectional area of the extension 2102 are greater than the two of the sectional area of plug division 2103 Times.Since the sectional area of the plug division 2103 is less than the sectional area of extension 2102, two grafting of first signal terminal to 211 The distance between portion 2103 increases, and reduces the influence of capacity effect, and therefore, back panel connector 100 provided in this embodiment can be with The first signal terminal is reduced to crosstalk between 211 and improves impedance matching, and then promotes high speed transmission of signals performance.The installation Portion 2106 can be used for being plugged on circuit board, realize that back panel connector 100 is connect with the telecommunications of circuit board.In other embodiments In, the mounting portion 2106 can also weld on circuit board.First signal terminal to 211 two first conductive terminals 210 mounting portion 2106 is disposed adjacent；First ground terminal to 212 two first conductive terminals 210 mounting portion 2106 It is disposed adjacent.Therefore, back panel connector 100 provided in this embodiment can reduce the first signal terminal to crosstalk between 211 and Impedance matching is improved, and then promotes high speed transmission of signals performance.

It please join Fig. 6, the shielding part 3 includes several the first shielding piece 31 being laterally arranged and several longitudinally disposed Secondary shielding piece 32.Several first shielding pieces 31 and several secondary shielding pieces 32 cooperatively form several terminal accommodating spaces, First signal terminal to 211 and/or first ground terminal be arranged in terminal accommodating space to 212.Due to the first signal end Son to 211 and/or first ground terminal separated to 212 by shielding part 3, therefore, back panel connector 100 provided in this embodiment can To reduce the first signal terminal to crosstalk between 211 and improve impedance matching, and then promote high speed transmission of signals performance.Described One shielding piece 31 and/or secondary shielding piece 32 are equipped with convex closure, for the securing groove location fit with insulating body 1, realize shielding Part 3 and stablizing for insulating body 1 cooperate.The first shielding piece 31 leads every first of 212 relative to the first ground terminal Electric terminal 210 is equipped with elastic arm 311, and the elastic arm 311 supports the first conductive terminal 210, in the present embodiment, the elastic arm 311 support the holding parts 2101 of the first conductive terminal 210.In the present embodiment, first signal terminal includes lateral phase to 211 Two adjacent the first conductive terminals 210.First ground terminal also includes two laterally adjacent the first conductive terminals to 212 210.First ground terminal to 212 every first conductive terminal 210 by it is adjacent to each other two first shielding piece 31 bullet Property arm 311 support in opposite directions, that is, realize that two elastic arms 311 clamp the first conductive terminal 210, to realize two first shielding pieces 31 and the Steady contact of one ground terminal to 212.In other embodiments, first signal terminal includes longitudinally adjacent to 211 Two the first conductive terminals 210.First ground terminal also includes two longitudinally adjacent the first conductive terminals 210 to 212. The elastic arm that first ground terminal shields piece 31 by adjacent first to the side of 212 every first conductive terminal 210 311 support, to realize contact of the first shielding piece 31 with the first ground terminal to 212.The first shielding piece 31 and the second screen Piece 32 is covered equipped with mutual clamping structure, to realize the contact of the first shielding piece 31 and secondary shielding piece 32.The first shielding piece 31 and/or secondary shielding piece 32 be equipped with mounting portion.Due to the first shielding piece 31, secondary shielding piece 32 and the first ground terminal pair 212 can realize electric connection, meanwhile, the first shielding piece 31, secondary shielding piece 32 and the first ground terminal are equipped with multiple peaces to 212 Dress portion, can be with circuit board Multi-contact, and therefore, back panel connector 100 provided in this embodiment can reduce the first signal terminal To crosstalk between 211 and impedance matching is improved, and then promotes high speed transmission of signals performance.

Claims (9)

1. a kind of back panel connector, the back panel connector includes insulating body and the conducting end that is immobilizated in the insulating body Son；The insulating body is equipped with to be interted and the holding hole fixed and the card mating with docking connector for the conductive terminal Gu fit structure；The conductive terminal is arranged at array, the conductive terminal be equipped with holding parts, the holding parts with it is described solid Hold hole location fit；It is characterized in that, the conductive terminal include the first conductor terminal set, if first conductor terminal set by Dry first conductive terminal composition, first conductor terminal set include several first signal terminals to several first ground terminals It is right, first conductive terminal include the holding parts, the extension upwardly extended from the holding parts and for in succession Connect the mating plug division of device；The sectional area of the extension is greater than the sectional area of the plug division.

2. back panel connector as described in claim 1, which is characterized in that the sectional area of the extension is greater than the plug division Twice of sectional area.

3. back panel connector as described in claim 1, which is characterized in that in horizontal and vertical direction, first signal Terminal to first ground terminal to being alternatively arranged；First signal terminal is to including laterally adjacent two described the One conductive terminal, first ground terminal is to including two laterally adjacent first conductive terminals or first letter Number terminal is to including two longitudinally adjacent first conductive terminals, and first ground terminal is to including longitudinally adjacent two A first conductive terminal.

4. back panel connector as described in claim 1, which is characterized in that first conductive terminal includes the fixing Portion, the mounting portion extended downwardly from the holding parts side；The two of first signal terminal pair, first conductive terminal The mounting portion is disposed adjacent, and the mounting portion of the two of first ground terminal pair, first conductive terminal is adjacent to be set It sets.

5. back panel connector as described in claim 1, which is characterized in that the back panel connector further includes shielding part, institute Insulating body is stated equipped with the securing groove for positioning the shielding part；The shielding part and the securing groove location fit；It is described Shielding part includes several the first shielding piece being laterally arranged and several longitudinally disposed secondary shielding pieces；First shielding Piece and the secondary shielding piece cooperatively form several terminal accommodating spaces, and first signal terminal pair and/or described first connect Ground terminal is to being arranged in the terminal accommodating space.

6. back panel connector as described in claim 5, which is characterized in that the first shielding piece connects relative to described first First conductive terminal of every of ground terminal pair is equipped with elastic arm, and the elastic arm supports the described of first conductive terminal Holding parts.

7. back panel connector as described in claim 6, which is characterized in that every of first ground terminal pair described One conductive terminal is supported in opposite directions by the elastic arm of the adjacent to each other two first shielding pieces or first ground terminal Pair the side of every first conductive terminal supported by the elastic arm of the adjacent first shielding piece.

8. back panel connector as described in claim 5, which is characterized in that the first shielding piece and the secondary shielding piece Equipped with mutual clamping structure.

9. the back panel connector as described in any one of claim 1-8, which is characterized in that the conductive terminal further includes Two conductor terminal sets, first conductor terminal set are used for transmission high speed signal, and second conductor terminal set is used for transmission low Fast signal.