CN209119485U - The back panel connector of impedance matching - Google Patents

Abstract

The utility model discloses the back panel connectors of impedance matching, it includes male end pedestal, female end pedestal and parity mode group, female end pedestal is plugged on male end pedestal, parity mode group is mounted in female end pedestal, it is offered in odd module multiple for arranging that the odd module difference of the second cabling group walks line chamber, it is offered in even module multiple for arranging that the even module difference of the first cabling group walks line chamber, and odd module difference walks line chamber and walks line chamber with idol module difference and is interspersed, face surprise module difference is walked and is provided with the first convex block in the even module of line chamber, it is intracavitary that first convex block is located at odd module difference cabling, positive antithesis module difference is walked and is provided with the second convex block in the odd module of line chamber, it is intracavitary that second convex block is located at even module difference cabling.The utility model can realize impedance matching by the change of dielectric constant for adjusting impedance.

Description

The back panel connector of impedance matching

Technical field

The utility model relates to the back panel connectors of electric connector, especially impedance matching.

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.

In High speed rear panel connector, impedance needs to match, and is just able to achieve the purpose that signal is transferred to load point as far as possible, Signal cross-talk is reduced, the integrality of signal is improved.

Utility model content

The shortcomings that the purpose of the utility model is to overcome the prior arts provides a kind of back panel connector of impedance matching.

The purpose of this utility model is achieved through the following technical solutions: the back panel connector of impedance matching, it includes public affairs End group seat, female end pedestal and parity mode group, female end pedestal are plugged on male end pedestal, and parity mode group is mounted in female end pedestal, Parity mode group includes the odd module being mutually close to and even module, is offered in odd module multiple for arranging the surprise of the second cabling group Module difference walks line chamber, offers in even module multiple for arranging that the even module difference of the first cabling group walks line chamber, and odd mould Block difference, which walks line chamber and walks line chamber with even module difference, to be interspersed, and face surprise module difference, which is walked, is provided with the in the even module of line chamber One convex block, the cooperation of the first convex block is intracavitary in odd module difference cabling, and positive antithesis module difference is walked to be provided in the odd module of line chamber Second convex block, the cooperation of the second convex block are intracavitary in even module difference cabling.

Preferably, it is three that odd module difference, which walks line chamber, and walks line chamber, the 5th poor from long the 4th difference that is divided into is short to Divide to walk line chamber, the 6th difference to walk line chamber, positioned at the 4th difference walks line chamber, the 5th difference walks line chamber, the 6th difference walks the two of line chamber The second convex block is provided in the odd module of side.

Preferably, it is three that even module difference, which walks line chamber also, and long be divided into the first difference from being short to and walk line chamber, second Difference walks line chamber, third difference walks line chamber, positioned at the first difference walks line chamber, the second difference walks line chamber, third difference walks line chamber two The first convex block is provided in the even module of side.

Preferably, the first difference walks line chamber, the second difference walks line chamber, third difference walks line chamber, the 4th difference walks line chamber, It is intracavitary at least provided with an interconnecting piece that five difference walk line chamber, the 6th difference cabling.

Preferably, multiple mounting grooves are offered on female end pedestal side by side, parity mode group is mounted in mounting groove, and mounting groove Cell wall up extend and form muscle wall.

Preferably, the back side of the first convex block offers the first groove, and the cell wall thickness of the first groove is uniform, and second is convex The back side of block offers the second groove, and the cell wall thickness of the second groove is uniform.

Preferably, it is provided with the first positioning column and the second positioning column being staggered in even module, is offered in odd module and the Second location hole corresponding with the second positioning column is offered in the corresponding first positioning hole of one positioning column and odd module.

The utility model has the advantage that

1, the back panel connector of the utility model, parity mode group is by the first convex block and the second convex block, so that first walks The transmission medium of the cabling peripheral region of line group and the second cabling group becomes odd module and the first convex block and even mould by air Block and the second convex block form the insulator with cavity, and the dielectric constant of air is lower than the dielectric constant of plastics, thus cabling The dielectric constant of the transmission medium in region changes, so that adjustable impedance in claimed range, realizes impedance matching；

2, the first groove is arranged at the back side of the first convex block in the parity mode group of the utility model, and the back side of the second convex block is set The second groove is set, the cavity that the first groove and the second groove are formed is air cavity, and the dielectric of the intracorporal air of the air chamber is normal Number is lower than plastics, so that the dielectric constant of transmission medium is changed, therefore the sky that the first groove and the second groove are formed Air cavity can be used to adjust impedance, so that parity mode group impedance matching；

3, the installation of parity mode group is firm, and vertical direction is unbiased, so that product is crimped on the terminal normotopia degree symbol at pcb board end It closes and requires；

4, the first convex block and the cooperation of the second convex block are intracavitary in corresponding cabling, so that odd module and even module install convenient, Odd module and the even mounting stability of module and the structural strength of parity mode group are improved, so that parity mode group is unlikely to deform, And the material for making odd module and even module is also saved, reduce production cost.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of parity mode group；

Fig. 2 is the configuration schematic diagram of parity mode group；

Fig. 3 is the structural schematic diagram of odd module；

Fig. 4 is the structural schematic diagram of even module；

Fig. 5 is the structural schematic diagram that even module is mounted with the first cabling group；

Fig. 6 is the structural schematic diagram that odd module is mounted with the second cabling group；

Fig. 7 is the distribution schematic diagram of the first groove；

Fig. 8 is the distribution schematic diagram of the second groove；

Fig. 9 is the structural schematic diagram one of electric connector

Figure 10 is the structural schematic diagram two of electric connector

Figure 11 is the structural schematic diagram of female end pedestal

In figure: 1- idol module, 2- surprise module, 3- the first cabling group, 4- the second cabling group, the first convex block of 5-, 6- second are convex Block, 7- interconnecting piece, 8- surprise module difference walk line chamber, and 9- idol module difference walks line chamber, and the first difference of 11- walks line chamber, and 12- second is poor Divide to walk line chamber, 13- third difference walks line chamber, and the 4th difference of 21- walks line chamber, and the 5th difference of 22- walks line chamber, and the 6th difference of 23- is walked Line chamber, 31- male end pedestal, 32- female end pedestal, 33- parity mode group, 35- muscle wall, 36- mounting groove, the first positioning column of 41-, 42- first positioning hole, the second positioning column of 43-, 44- second location hole, the first groove of 51-, the second groove of 61-.

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 shown in Figure 9 and Figure 10, the back panel connector of impedance matching, it includes male end pedestal 31, female end pedestal 32 and surprise Even mould group 33, female end pedestal 32 are plugged on male end pedestal 31, and parity mode group 33 is mounted in female end pedestal 32, such as Fig. 1, Fig. 9 With shown in Figure 10, parity mode group 33 includes the odd module 2 be mutually close to and even module 1, in the present embodiment, such as Fig. 2, Fig. 3 and Shown in Fig. 4, it is provided with the first positioning column 41 and the second positioning column 43 being staggered in even module 1, is offered in odd module 2 and first Second location hole corresponding with the second positioning column 43 is offered in the corresponding first positioning hole 42 of positioning column 41 and odd module 2 44, it is preferred that the upper right corner of even module 1 is arranged in the first positioning column 41, and the second positioning column 43 is multiple, and is arranged in even mould The bottom of block 1, further, second location hole 44 are blind hole, and the connection of the first positioning column 41 and first positioning hole 42 is interference Cooperation, the second positioning column 43 and the connection of second location hole 44 are also interference fit, when the first positioning column 41 and first positioning hole 42 and second positioning column 43 work good with second location hole 44 after, odd module and even module is close to and its edge flushes.

In the present embodiment, as shown in Figure 5 and Figure 6, it is offered in odd module 2 multiple for arranging the second cabling group 4 Odd module difference walks line chamber 8, offered in even module 1 it is multiple for arranging that the even module difference of the first cabling group 3 walks line chamber 9, In the present embodiment, as shown in figure 3, it is three that odd module difference, which walks line chamber 8, and the 4th difference cabling is divided into from length is short to Chamber 21, the 5th difference walk line chamber 22, the 6th difference walks line chamber 23, and further, the 4th difference walks line chamber 21 and is located at odd module 2 Inside, the 6th difference walk the outside that line chamber 23 is located at odd module 2, as shown in figure 4, it is three that even module difference, which walks line chamber 9 also, and From be short to it is long be divided into that the first difference walks line chamber 11, the second difference walks line chamber 12, third difference walks line chamber 13, further, First difference walks the inside that line chamber 11 is located at even module 1, and third difference walks the outside that line chamber 13 is located at even module 1.

In the present embodiment, odd module difference, which walks line chamber 8 and walks line chamber 9 with even module difference, is interspersed, further, the Four difference walk line chamber 21 and are located at that the first difference walks line chamber 11 and the second difference is walked between line chamber 12, and the 5th difference is walked line chamber 22 and is located at Second difference walks line chamber 12 and third difference is walked between line chamber 13, and the 6th difference, which walks line chamber 23 and is located at third difference, walks line chamber 13 Outside.

In the present embodiment, face surprise module difference is walked and is provided with the first convex block 5, the first convex block in the even module 1 of line chamber 8 5 cooperations are walked in line chamber 8 in odd module difference, and positive antithesis module difference is walked and is provided with the second convex block 6 in the odd module 2 of line chamber 9, the The cooperation of two convex blocks 6 is walked in line chamber 9 in even module difference, therefore by the first convex block 5 and the second convex block 6, so that odd module 2 and idol 1 install convenient of module improves odd module 2 and the even mounting stability of module 1 and the structural strength of parity mode group, so that odd even Mould group is unlikely to deform, and also saves the material for making odd module and even module, production cost is reduced, specifically, being located at Is provided in the odd module 2 for the two sides that 4th difference walks line chamber 21, the 5th difference walks line chamber 22, the 6th difference walks line chamber 23 Two convex blocks 6, in the even module 1 that the first difference walks line chamber 11, the second difference walks line chamber 12, third difference walks 13 two sides of line chamber It is provided with the first convex block 5, by the first convex block 5 and the second convex block 6, so that the even module of 3 cabling of the first cabling group is poor Divide to walk the odd module difference of 4 cabling of line chamber 9 and the second cabling group to walk line chamber 8 and form a cavity, so that the first cabling group 3 Odd module 2 and the first convex block 5 and even module are become by air with the transmission medium of the cabling peripheral region of the second cabling group 4 1 and second convex block 6 form the insulator with cavity, and the first convex block 5, the second convex block 6 are the modeling that high molecular material is done Material, the dielectric constant of air is lower than the dielectric constant of plastics, so that the dielectric constant of the transmission medium of routing region changes, To which adjustable impedance is in claimed range, impedance matching is realized.

In the present embodiment, the first difference walks line chamber 11, the second difference walks line chamber 12, third difference walks line chamber the 13, the 4th Difference walks line chamber 21, the 5th difference walks line chamber 22, the 6th difference is walked in line chamber 23 at least provided with an interconnecting piece 7,7 energy of interconnecting piece Enough increase the structural soundness of odd module 2 and even module 1, so that it is steady to ensure that the first cabling group 3 and the second cabling group 4 are installed It is qualitative.

In the present embodiment, as shown in figure 11, multiple mounting grooves 36, parity mode group 33 are offered on female end pedestal 32 side by side It is mounted in mounting groove 36, and the cell wall of mounting groove 36 up extends and formed muscle wall 35, muscle wall 35 can block odd even Mould group 33, to guarantee that parity mode group 33 is unbiased in vertical direction, so that product is crimped on the terminal normotopia degree symbol at pcb board end It closes and requires.

In the present embodiment, as shown in Figure 7 and Figure 8, the back side of the first convex block 5 offers the first groove 51, and first The cell wall thickness of groove 51 is uniform, and the back side of the second convex block 6 offers the second groove 61, and the cell wall thickness of the second groove 61 is equal Even, the cavity that the first groove 51 and the second groove 61 are formed is air cavity, the dielectric constant ratio of the intracorporal air of the air chamber Plastics it is low, so that the dielectric constant of transmission medium is changed, therefore the sky that the first groove 51 and the second groove 61 are formed Air cavity can be used to adjust impedance, so that parity mode group impedance matching, and the setting of the first groove 51 and the second groove 61, The weight of odd even module is also reduced, consumptive material is reduced, has saved production cost.

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 back panel connector of impedance matching, it includes male end pedestal (31), female end pedestal (32) and parity mode group (33), described Female end pedestal (32) is plugged on the male end pedestal (31), and the parity mode group (33) is mounted on the female end pedestal (32) It is interior, it is characterised in that: the parity mode group (33) includes the odd module (2) being mutually close to and even module (1), the surprise module (2) it offers multiple for arrange that the odd module difference of the second cabling group (4) is walked line chamber (8) on, is opened up on the even module (1) Have it is multiple for arrange that the even module difference of the first cabling group (3) is walked line chamber (9), and the odd module difference walk line chamber (8) and The idol module difference walks line chamber (9) and is interspersed, and surprise module difference described in face is walked on the even module (1) of line chamber (8) It is provided with the first convex block (5), the first convex block (5) cooperation is walked in line chamber (8) in the odd module difference, idol mould described in face Block difference is walked to be provided with the second convex block (6) on the odd module (2) of line chamber (9), and the second convex block (6) cooperation is in even module Difference is walked in line chamber (9).

2. the back panel connector of impedance matching according to claim 1, it is characterised in that: the surprise module difference walks line chamber (8) it is three, and long is divided into that the 4th difference walks line chamber (21), the 5th difference walks line chamber (22), the 6th difference is walked from being short to Line chamber (23), positioned at the 4th difference walks line chamber (21), the 5th difference walks line chamber (22), the 6th difference walks the two of line chamber (23) The second convex block (6) are provided in the odd module (2) of side.

3. the back panel connector of impedance matching according to claim 1, it is characterised in that: the idol module difference walks line chamber (9) also it is three, and long is divided into that the first difference walks line chamber (11), the second difference walks line chamber (12), third difference from being short to Line chamber (13) are walked, walk line chamber (11) positioned at first difference, the second difference walks line chamber (12), third difference walks line chamber (13) two The first convex block (5) are provided in the even module (1) of side.

4. the back panel connector of impedance matching according to claim 3, it is characterised in that: first difference walks line chamber (11), the second difference walks line chamber (12), third difference walks line chamber (13), the 4th difference walks line chamber (21), the 5th difference walks line chamber (22), the 6th difference is walked in line chamber (23) at least provided with an interconnecting piece (7).

5. the back panel connector of impedance matching according to claim 1, it is characterised in that: on the female end pedestal (32) simultaneously It arranges and is equipped with multiple mounting grooves (36), the parity mode group (33) is mounted in the mounting groove (36), and the mounting groove (36) cell wall up extends and forms muscle wall (35).

6. the back panel connector of impedance matching according to claim 1, it is characterised in that: the back of first convex block (5) Face offers the first groove (51), and the cell wall thickness of first groove (51) is uniform, the back side of second convex block (6) It offers the second groove (61), the cell wall thickness of second groove (61) is uniform.

7. the back panel connector of impedance matching according to claim 1, it is characterised in that: be arranged on the idol module (1) There are the first positioning column (41) and the second positioning column (43) being staggered, is offered and first positioning column on the surprise module (2) (41) corresponding with the second positioning column (43) the is offered on corresponding first positioning hole (42) and the odd module (2) Two location holes (44).