CN208738463U - A kind of High speed rear panel connector - Google Patents

Abstract

The utility model relates to the technical fields of connector, especially one kind is mainly used for server, a kind of High speed rear panel connector of electric current or signal transmission in interchanger or memory between circuit board and circuit board, with plastic casing, several connecting sheet components are successively closely plugged on the plastic casing side by side, the connecting sheet components include several signal pins and several shielding pieces, the flake structure of the shielding on piece is as grounding pin, the connector also has conductive guide frame, the conductive guide frame is mainly made of guiding plastic cement and conductive plastic, the guiding plastic cement is mounted on several signal pins and several grounding pins, the conductive plastic is mounted on guiding plastic cement, conductive plastic and shielding piece connect to form shielding.A kind of High speed rear panel connector can reduce mutual signal interference to good signal shielding is carried out between signal pin, improve product high frequency performance.

Description

A kind of High speed rear panel connector

Technical field

The utility model relates to the technical field of connector, especially one kind to be mainly used for server, interchanger or storage A kind of High speed rear panel connector of electric current or signal transmission in device between circuit board and circuit board.

Background technique

High speed rear panel connector is large-scale communication apparatus, very-high performance server and supercomputer, industrial computer, height End stores equipment commonly a kind of connector.High speed rear panel connector is used to connecting single board and backboard, at 90 between veneer and backboard Vertical structure is spent, high-speed differential signal or single-ended signal and transmitting high current are transmitted.However, current existing most one Kind High speed rear panel connector is also relatively deficient in signal shielding technical aspect, and the mutual signal interference of signal pin is bigger, So that product high frequency performance is poor.

Summary of the invention

Technical problem to be solved by the utility model is: in order to overcome the deficiencies in the prior art,

A kind of High speed rear panel connector is provided, can be reduced mutual to good signal shielding is carried out between signal pin Signal interference, improve product high frequency performance.

The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of High speed rear panel connector, has modeling Rubber shell body is successively closely plugged with several connecting sheet components on the plastic casing side by side, and the connecting sheet components include Several signal pins and several shielding pieces, for the flake structure of the shielding on piece as grounding pin, which also has conduction Guide frame, the conductive guide frame are mainly made of guiding plastic cement and conductive plastic, and the guiding plastic cement is mounted on On several signal pins and several grounding pins, the conductive plastic is mounted on guiding plastic cement, and conductive plastic is contacted with shielding piece Connection forms shielding.

Further specifically, in above-mentioned technical proposal, the guiding plastic cement includes guiding plastic body and matrix point Several protrusions of the cloth on guiding plastic body outer surface, the protrusion are equipped with several signal pins stretched out convenient for signal pin Jack and several grounding pin jacks stretched out convenient for grounding pin, the guiding plastic body, which is equipped with, to be closed on high spot and is convenient for The contact chip jack that the contact chip of on piece stretches out is shielded, what the conductive plastic matched equipped with matrix distribution and with protrusion Several grooves, the contact chip stretched out from contact chip jack are in contact with the cell wall of respective slot.

Further specifically, several grounding pin jacks in the protrusion are located at several letters in above-mentioned technical proposal The periphery of number needle jack, such design can reduce mutual signal to good signal shielding is carried out between signal pin Interference.

Further specifically, in above-mentioned technical proposal, the side wall of the protrusion is zigzag, the slot of the groove Wall is the zigzag to match with protrusion, and the stability that guiding plastic cement and conductive plastic combine can be improved in such design.

Further specifically, the guiding plastic cement is made of nonconducting plastic cement in above-mentioned technical proposal.

The beneficial effects of the utility model are: the High speed rear panel connector, introduces conductive guide frame, conductive guide frame It is made of guiding plastic cement and conductive plastic, is oriented to plastic cement and conductive plastic and is combined together by way of assembly, conductive plastic It connects to form shielding with the shielding piece on connecting sheet components, can subtract to good signal shielding is carried out between signal pin Few mutual signal interference, improves product high frequency performance.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments as described in this application, for those of ordinary skill in the art, before not making the creative labor It puts, is also possible to obtain other drawings based on these drawings.

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the decomposition texture schematic diagram of Fig. 1；

Fig. 3 is the structural schematic diagram of connecting sheet components；

Fig. 4 is the front view of Fig. 1；

Fig. 5 is the partial enlarged view in Fig. 4 at A；

Fig. 6 is the structural schematic diagram for being oriented to plastic cement；

Fig. 7 is the structural schematic diagram of conductive plastic.

Label in figure are as follows: 1, plastic casing；2, connecting sheet components；2-1, signal pin；2-2, shielding piece；2-2-1, ground connection Needle；2-2-2, contact chip；3, it is oriented to plastic cement；3-1, guiding plastic body；3-1-1, contact chip jack；3-2, protrusion；3-2-1, Signal pin jack；3-2-2, grounding pin jack；4, conductive plastic；4-1, groove.

Specific embodiment

It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to The range of the utility model protection.

See Fig. 1~7, a kind of High speed rear panel connector is mainly used for server, circuit board and electricity in interchanger or memory Electric current between the plate of road or signal transmission, have a plastic casing 1, and plastic casing 1 is U-shaped structure, on plastic casing 1 successively side by side Several connecting sheet components 2 are closely plugged with, connecting sheet components 2 include several signal pin 2-1 and several shielding piece 2-2, signal pin The flake structure of 2-1 stretches out in outside plastic casing 1, shields the flake structure on piece 2-2 as grounding pin 2-2-1, grounding pin 2- 2-1 is stretched out in outside plastic casing 1, which also has conductive guide frame, and conductive guide frame is mainly by 3 He of guiding plastic cement Conductive plastic 4 is constituted, and guiding plastic cement 3 is made of nonconducting plastic cement, and conductive plastic 4 is made of conductive plastic cement, is oriented to plastic cement 3 Be mounted on several signal pin 2-1 and several grounding pin 2-2-1, conductive plastic 4 be mounted on guiding plastic cement 3 on, conductive plastic 4 with Shielding piece 2-2 connects to form shielding.

Guiding plastic cement 3 is distributed in several on the guiding outer surface plastic body 3-1 including guiding plastic body 3-1 and matrix The side wall of the raised 3-2 of rectangle, raised 3-2 are zigzag, and each protrusion 3-2 is equipped with two stretched out convenient for signal pin 2-1 The signal pin jack 3-2-1 of rectangle and grounding pin jack 3-2-2 convenient for grounding pin 2-2-1 four rectangles stretched out, it is each convex Play the periphery that the four grounded needle jack 3-2-2 on 3-2 is located at two signal pin jack 3-2-1.

Guiding plastic body 3-1, which is equipped with, to be closed at raised 3-2 and stretches out convenient for the contact chip 2-2-2 on shielding piece 2-2 Contact chip jack 3-1-1, all have four contact chip jack 3-1-1, conductive plastic 4 at the adjacent locations of each protrusion 3-2 Several groove 4-1 that matrix is distributed and matches with raised 3-2 are equipped with, the cell wall of groove 4-1 matches with raised 3-2 Combination stability between zigzag, the raised 3-2 with indented sidewall and the groove 4-1 with zigzag cell wall is more preferable, The contact chip 2-2-2 stretched out from contact chip jack 3-1-1 is in contact with the cell wall of respective slot 4-1.

Conductive guide frame is introduced in a kind of High speed rear panel connector, conductive guide frame is by guiding plastic cement 3 and conduction Plastic cement 4 is constituted, and is oriented to plastic cement 3 and conductive plastic 4 and is combined together by way of assembly, conductive plastic 4 and connecting sheet components 2 On shielding piece 2-2 connect to form shielding, can be reduced mutual to good signal shielding is carried out between signal pin 2-1 Between signal interference, improve product high frequency performance.

The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model Within enclosing.

Claims (5)

1. a kind of High speed rear panel connector has plastic casing (1), successively close grafting side by side on the plastic casing (1) Having several connecting sheet components (2), the connecting sheet components (2) include several signal pins (2-1) and several shielding pieces (2-2), It is characterized by: the flake structure on the shielding piece (2-2) is as grounding pin (2-2-1), which also has conduction Guide frame, the conductive guide frame are mainly made of guiding plastic cement (3) and conductive plastic (4), the guiding plastic cement (3) it is mounted on several signal pins (2-1) and several grounding pins (2-2-1), the conductive plastic (4) is mounted on guiding plastic cement (3) on, conductive plastic (4) and shielding piece (2-2) connect and form shielding.

2. a kind of High speed rear panel connector according to claim 1, it is characterised in that: the guiding plastic cement (3) includes Guiding plastic body (3-1) and matrix are distributed in several raised (3-2) on guiding outer surface plastic body (3-1), described Raised (3-2) is equipped with convenient for signal pin (2-1) several signal pin jacks (3-2-1) stretched out and is convenient for grounding pin (2-2-1) Several grounding pin jacks (3-2-2) stretched out, the guiding plastic body (3-1), which is equipped with, to be closed at raised (3-2) and just In the contact chip jack (3-1-1) that the contact chip (2-2-2) in shielding piece (2-2) stretches out, the conductive plastic (4) is equipped with Several grooves (4-1) matrix distribution and matched with raised (3-2), the contact chip stretched out at contact chip jack (3-1-1) (2-2-2) is in contact with the cell wall of respective slot (4-1).

3. a kind of High speed rear panel connector according to claim 2, it is characterised in that: the protrusion (3-2) if on Dry grounding pin jack (3-2-2) is located at the periphery of several signal pin jacks (3-2-1).

4. a kind of High speed rear panel connector according to claim 2, it is characterised in that: the side wall of the protrusion (3-2) For zigzag, the cell wall of the groove (4-1) is the zigzag to match with raised (3-2).

5. a kind of High speed rear panel connector according to claim 1, it is characterised in that: the guiding plastic cement (3) is not by Conductive plastic cement is made.