CN209119483U - Difference Wiring structure with independent return flow path - Google Patents

Abstract

The utility model discloses the difference Wiring structures with independent return flow path, it includes multiple groups differential pair and multiple return pieces, and return piece is located at the same side of every group of differential pair, and offers through slot in the second connecting portion of return piece.The beneficial effects of the utility model are: every group of differential pair all has individual return flow path, and through slot is offered on return piece, realize impedance matching, reduce production cost；First cantilever beam is routed along the vertical direction, and the second cantilever beam is tilted toward the first cantilever beam, and ensure that between two bending sections, there is gap to realize impedance matching to increase the length of the second cantilever beam.

Description

Difference Wiring structure with independent return flow path

Technical field

The utility model relates to electric connectors, especially with the difference Wiring structure of independent return flow path.

Background technique

Electric connector is other than it will meet general performance requirement, it is also necessary to which electric connector reaches contact well, and work can It leans on, requirement easy to maintain.

High speed rear panel connector be used for large-scale communication apparatus, very-high performance server and supercomputer, industrial computer, High-end storage equipment etc., with communication, the fast development of electronics, internet industry, the market scale of high speed connector is rapid-result fastly It is long.

Utility model content

The shortcomings that the purpose of the utility model is to overcome the prior arts provides a kind of good contact, impedance matching and tool There is the difference Wiring structure of independent return flow path.

The purpose of this utility model is achieved through the following technical solutions: the difference with independent return flow path walks knot Structure, it includes multiple groups differential pair and multiple return pieces, and return piece is located at the same side of every group of differential pair, and the second of return piece Through slot is offered on interconnecting piece.

Preferably, differential pair includes the first reed, first connecting portion and the first connection-peg, the first reed and first connecting portion One end connection, the other end of first connecting portion connect with the first connection-peg.

Preferably, return piece further includes the second reed and the second connection-peg, one end company of the second reed and second connecting portion It connects, the other end of second connecting portion is connect with the second connection-peg.

Preferably, the first connection-peg is aligned spacing side by side setting with the second connection-peg.

Preferably, the structure of the first reed and the second reed is identical, and the first reed includes that the first cantilever beam and second are outstanding First connecting portion is connected at the top of arm beam, the first cantilever beam and the second cantilever beam, and the first cantilever beam is routed along the vertical direction, Second cantilever beam is tilted toward the first cantilever beam, and the head of the first cantilever beam and the second cantilever beam is provided with bending section, and two curved There is gap, and the mutual side by side parallel setting in two bending sections between pars convoluta.

Preferably, an arc sections are provided on bending section.

Preferably, the first cantilever beam and the second cantilever beam have angle a with first connecting portion.

The utility model has the advantage that

1, the side of every group of differential pair of the utility model all has individual return flow path, and offers on return piece Through slot realizes impedance matching, and reduces demand of the return piece to material, to reduce production cost.

2, the first cantilever beam is routed along the vertical direction, and the second cantilever beam is tilted toward the first cantilever beam, and ensure that two bendings Between portion there is gap to realize impedance matching to increase the length of the second cantilever beam.

3, arc sections are set on bending section, under the reaction force of reed deformation, arc sections can be connect with contact pin always, from And it ensure that the contact performance of reed and contact pin.

Detailed description of the invention

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

Fig. 2 is the structural schematic diagram two of the utility model；

Fig. 3 is the structural schematic diagram of return piece；

The structural schematic diagram of Fig. 4 the first cantilever beam and the second cantilever beam；

Fig. 5 is the structural schematic diagram of angle a；

In figure: 1- differential pair, 2- return piece, the second cantilever beam of 3-, the bending section 4-, 5- arc sections, the first cantilever beam of 6-, The first reed of 11-, 12- first connecting portion, the first connection-peg of 13-, the second reed of 21-, 22- second connecting portion, the second grafting of 23- Head, 24- through slot.

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.Usually here in attached drawing description and The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.

Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all Belong to the range of the utility model protection.

It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.

In the description of the present invention, it should be noted that the orientation or position of the instructions such as term " on ", "inner", "outside" Set relationship be based on the orientation or positional relationship shown in the drawings or the utility model product using when the orientation usually put Or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than the device of indication or suggestion meaning or Element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limit to the utility model System.

In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set Set ", " installation ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition The concrete meaning of language in the present invention.

As depicted in figs. 1 and 2, with the difference Wiring structure of independent return flow path, it includes multiple groups differential pair 1 and multiple Return piece 2, return piece 2 are located at the same side of every group of differential pair 1, so that each group of differential pair 1 all has individually reflux Part 2, and through slot 24 is offered in the second connecting portion of return piece 2 22, through slot 24 reduces the area of return piece 2, realizes Impedance matching, the return piece 2 positioned at 24 two sides of through slot is return flow path, demand of the return piece 2 to consumptive material is reduced, to reduce Production cost.

In the present embodiment, such as Fig. 3, Fig. 4 and Fig. 5, differential pair 1 includes the first reed 11, first connecting portion 12 and first Connection-peg 13, the first reed 11 are connect with one end of first connecting portion 12, the other end of first connecting portion 12 and the first connection-peg 13 connections, further, return piece 2 further includes the second reed 21 and the second connection-peg 23, the second reed 21 and second connecting portion 22 one end connection, the other end of second connecting portion 22 are connect with the second connection-peg 23, the first reed 11 and the second reed 21 It is closely touched with male end contact pin, the second connection-peg 23 and the first connection-peg 13 are then used for grafting circuit board, and first connecting portion 12 Then for connecting the first reed 11 and the first connection-peg 13, second connecting portion 22 is then for connecting the second reed 21 and the second grafting First 23, in the specific use process, can according to actual needs, can be changed first connecting portion 12 and second connecting portion 22 length and Shape, in order to the installation of differential pair 1 and return piece 2, after installation, between the first connection-peg 13 is aligned side by side with the second connection-peg 23 Every setting, to guarantee that differential pair 1 and return piece 2 with after corresponding circuit board grafting, can guarantee differential pair 1 and return piece 2 Switching performance.

In the present embodiment, as shown in figure 3, the first reed 11 is identical with the structure of the second reed 21, with the first reed 11 It is illustrated, the first reed 11 includes the first cantilever beam 6 and the second cantilever beam 3, the first cantilever beam 6 and the second cantilever beam 3 Top is connected to first connecting portion 12, and the first cantilever beam 6 is routed along the vertical direction, and the second cantilever beam 3 inclines toward the first cantilever beam 6 Tiltedly, the head of the first cantilever beam 6 and the second cantilever beam 3 is provided with bending section 4, has gap between two bending sections 4, i.e., and two It is not bonded between a bending section 4, in the specific implementation process, guarantee gap as far as possible is small, to guarantee the first cantilever beam 6 and the The length of two cantilever beams 3, realizes impedance matching, in the present embodiment, the two mutual side by side parallel in bending section 4 settings, thus Guarantee that the position of bending section 4 is in the same horizontal position, and guarantees that the gap width between two bending sections 4 is consistent.

In the present embodiment, as shown in figure 5, being provided with an arc sections 5 on bending section 4, arc sections 5 are main with contact pin After contact component, differential pair 1 and return piece 2 install, angle offset can occur for differential pair 1 and return piece 2, by arc sections 5, So that arc sections 5 can be connect with contact pin always, and pass through arc sections after angle offset occurs for differential pair 1 and return piece 2 5, so that differential pair 1 and return piece 2 and contact pin are line face contacts, it further ensure that the contact area of arc sections 5 Yu contact pin.

In the present embodiment, as shown in figure 5, the first cantilever beam 6 and the second cantilever beam 3 have folder with first connecting portion 12 Angle a, it is preferred that the angle of angle a is 170 ° ~ 175 °, and by angle a, after differential pair 1 and return piece 2 install, first connects Socket part 12 and contact pin are vertical wiring, and at this point, the first cantilever beam 6 and the second cantilever beam 3 also have angle relative to contact pin, In grafting, contact pin is contacted with arc sections 5, to apply a pressure to arc sections 5, so that the first cantilever beam 6 and the second cantilever Beam 3 deforms, so that differential pair 1 and 2 grafting of return piece are in place, and after 2 grafting in place of differential pair 1 and return piece, first Cantilever beam 6 and the deformation of the second cantilever beam 3, so that the first cantilever beam 6 and the second cantilever beam 3 apply a reaction to contact pin Power, so that arc sections are close to contact pin always, to ensure that the stability that contact pin is connect with differential pair 1 and return piece 2.

Although reference be made herein to the utility model is described in multiple explanatory embodiments of the utility model, still, It should be understood that those skilled in the art can be designed that a lot of other modification and implementations, these modifications and implementations It will fall within scope and spirit disclosed in the present application.More specifically, it discloses in the application, drawings and claims In range, can building block to theme combination layout and/or layout carry out a variety of variations and modifications.In addition to building block And/or outside the modification and improvement of layout progress, to those skilled in the art, other purposes also be will be apparent.

Claims (7)

1. the difference Wiring structure with independent return flow path, it is characterised in that: it includes multiple groups differential pair (1) and multiple reflux Part (2), the return piece (2) is positioned at the same side of differential pair (1) described in every group, and second in the return piece (2) connects Through slot (24) are offered in portion (22).

2. the difference Wiring structure according to claim 1 with independent return flow path, it is characterised in that: the differential pair It (1) include the first reed (11), first connecting portion (12) and the first connection-peg (13), first reed (11) and described first One end of interconnecting piece (12) connects, and the other end of the first connecting portion (12) is connect with first connection-peg (13).

3. the difference Wiring structure according to claim 2 with independent return flow path, it is characterised in that: the return piece It (2) further include the second reed (21) and the second connection-peg (23), second reed (21) and the second connecting portion (22) One end connection, the other end of the second connecting portion (22) are connect with second connection-peg (23).

4. the difference Wiring structure according to claim 3 with independent return flow path, it is characterised in that: described first inserts Connector (13) is aligned spacing side by side setting with second connection-peg (23).

5. the difference Wiring structure according to claim 3 or 4 with independent return flow path, it is characterised in that: described One reed (11) is identical with the structure of second reed (21), and first reed (11) include the first cantilever beam (6) and Second cantilever beam (3) is connected to the first connecting portion at the top of first cantilever beam (6) and second cantilever beam (3) (12), and first cantilever beam (6) is routed along the vertical direction, and second cantilever beam (3) is inclined toward first cantilever beam (6) Tiltedly, the head of first cantilever beam (6) and second cantilever beam (3) is provided with bending section (4), two bending sections (4) there is gap, and the mutually side by side parallel setting of two bending sections (4) between.

6. the difference Wiring structure according to claim 5 with independent return flow path, it is characterised in that: the bending section (4) arc sections (5) are provided on.

7. the difference Wiring structure according to claim 6 with independent return flow path, it is characterised in that: described first is outstanding Arm beam (6) and second cantilever beam (3) have angle a with the first connecting portion (12).