CN215955647U

CN215955647U - Easily-expanded backplane connector adapter

Info

Publication number: CN215955647U
Application number: CN202121008162.1U
Authority: CN
Inventors: 岳宗莹; 徐斌; 侯礼春; 刘一雷; 王允波; 任国峰
Original assignee: Amphenol Changzhou Advanced Connector Co Ltd
Current assignee: Amphenol Changzhou Advanced Connector Co Ltd
Priority date: 2021-05-12
Filing date: 2021-05-12
Publication date: 2022-03-04
Anticipated expiration: 2031-05-12

Abstract

The utility model discloses an easily-expanded backplane connector adapter, which belongs to the technical field of connectors and comprises an H-shaped insulating shell, a plastic connecting piece and a plurality of metal contact pins, wherein a through hole is formed in the middle of the H-shaped insulating shell and used for clamping the plastic connecting piece; the plastic connecting piece is used for fixing the metal contact pins, and the metal contact pins penetrate through the plastic connecting piece to form a plurality of contact pin groups; and a metal grounding pin is added on any one of the interworking side or the switching expansion side, and does not extend out of the other side, so that the number of the metal contact pins on the interworking side and the switching expansion side is different. The adapter provided by the utility model is easy to expand, different metal pins or contact pin groups can be derived from the adapter expansion end and the mutual matching end directly, even if the contact pin groups are the same, the total number of the metal pins on two sides is not equal by additionally adding a metal grounding pin on the outer side, and thus different types of female terminals are connected.

Description

Easily-expanded backplane connector adapter

Technical Field

The utility model relates to the technical field of connectors, in particular to a backplane connector adapter, and particularly relates to an easily-expanded backplane connector adapter.

Background

The backplane connector (backplane connector) is a type of connector commonly used for large-scale communication equipment, ultra-high performance servers, supercomputers, industrial computers and high-end storage equipment, and is mainly used for connecting a single board (daughter card) and a backplane, wherein a 90-degree vertical structure is formed between the single board and the backplane, and transmitting a high-speed differential signal (differential signal) or a single-ended signal (single end signal) and transmitting a large current. The demand for data transmission rate is increasing due to the increasing communication technology. Backplane connectors are widely used in communication technologies such as signal transmission within servers and switches. In particular, high-speed backplanes are part of the physical connections between modules in a typical electronic system, and complex systems rely on wires, traces, and connectors on the backplane to handle the large number of high-speed data streams. High speed backplane connectors play an important role in the communication between multiple backplane modules.

The backplane connector generally has a male terminal and a female terminal. The terminals of different models are smoothly connected in an interworking manner, and the adapter is convenient to expand so as to take various possible applications into consideration. In the prior art, one end of the male terminal needs to be re-developed according to the model of the matched female terminal for matching with the existing female terminal. However, the newly developed male terminal connector means that all the design work is repeated once, which may face many disadvantages, such as a long design period, high mold cost, and no possibility of serial expansion, which results in a high product cost and cannot be rapidly put into production.

The back plate connector adapter both ends are used for connecting switching extension female terminal and the female terminal of mutually supporting respectively, consequently can solve above technical problem through carrying out technical transformation to back plate connector adapter.

Disclosure of Invention

The purpose of the utility model is as follows: in order to solve the technical problems and solve the problem that two ends of the interconnection cannot be flexibly connected and expanded, the utility model provides the easily-expanded backplane connector adapter which is used for connecting the switching expansion female terminal and the interconnection female terminal and meets the use requirements of products.

In order to achieve the purpose, the utility model adopts the technical scheme that: the back panel connector adapter easy to expand comprises an H-shaped insulating shell, a plastic connecting piece and a plurality of metal contact pins, wherein two ends of the H-shaped insulating shell are respectively used for connecting a switching expansion female terminal and an interworking female terminal; the plastic connecting piece is used for fixing the metal contact pins, the metal contact pins penetrate through the plastic connecting piece, and the metal contact pins are not directly connected with each other to form a metal plastic integrated piece; the metal contact pins form a plurality of contact pin groups; the two ends of the metal contact pin extend out of the plastic connecting piece to be respectively contacted with the elastic connecting components in the switching expansion female terminal and the matching female terminal; the number of the metal contact pins respectively positioned on the interworking side and the switching expansion side is designed to be different according to customer requirements, a metal grounding pin is additionally arranged on any one side of the interworking side or the switching expansion side, and the metal grounding pin does not extend out of the other side, so that the number of the metal contact pins positioned on the interworking side and the switching expansion side is different.

Furthermore, the protruding lengths of the metal contact pins and the metal grounding pins on the mutual matching sides can be adjusted according to the requirements of customers.

Furthermore, the three metal contact pins are arranged into a group of contact pin groups, namely two short pins and a long pin, wherein the two short pins are a pair of differential signal pairs, and one long pin is grounded; a plurality of groups of the contact pin groups can be fixed on the plastic connecting piece.

Furthermore, the contact pin group can flexibly expand the group number according to the requirements of the jacks of the female terminals on two sides.

Further, a plurality of through-holes have been seted up on the insulating casing for the joint is a plurality of the plastic connecting piece, adjacent two the joint interface A of through-hole is each other reverse, the plastic connecting piece divide into two kinds, plastic connecting piece A and plastic connecting piece B promptly, the joint interface B of plastic connecting piece A and plastic connecting piece B also each other is reverse for match with the joint interface A of through-hole.

Furthermore, the part of the metal contact pin embedded into the plastic connecting piece is bent to form a coplanar height difference, so that the coplanar requirement of a product generated when the switching extension female terminal and the matched female terminal are different in model is met.

Further, every increase the electrically conductive plastic piece on the long needle positive and negative, it is a plurality of electrically conductive plastic piece is connected respectively by two positive and negative electrically conductive plastic strips, makes a plurality of the ground connection is connected to the long needle, can effectively improve high frequency performance, two electrically conductive plastic strip sets up respectively on the plastic connecting piece positive and negative two sides, electrically conductive plastic is added the conducting resin by the plastic inside and is made.

Furthermore, the metal sheet is additionally arranged on the surface of the plastic connecting piece and is in contact with the conductive plastic strip, so that the signal transmission quality can be better improved, and the requirements of customers on different transmission qualities are met.

The easily-expanded backplane connector adapter has the beneficial effects that:

(1) the adapter provided by the utility model is easy to expand, different metal pins or contact pin groups can be derived from the adapter expansion end and the mutual matching end directly, even if the contact pin groups are the same, the total number of the metal pins on two sides is not equal by additionally adding a metal grounding pin on the outer side, and thus different types of female terminals are connected.

(2) The metal needle extension length of the adapter at the mutual matching side can be flexibly adjusted, and the application range is wide.

(3) The H-shaped insulating shell is provided with the through holes, and the plastic connecting piece A and the plastic connecting piece B are clamped in a crossed mode, so that the application is flexible, and the plastic connecting piece A and the plastic connecting piece B are standard pieces, so that the number is easy to adjust, and the use is convenient.

Drawings

Fig. 1 is an exploded view of the present invention.

FIG. 2 is a schematic view of the connection between the connection expansion end and the mating end of the plastic connector B of the present invention.

FIG. 3 is a schematic structural diagram of a plastic connector B according to the present invention.

FIG. 4 is a schematic view of a contact pin set according to the present invention.

FIG. 5 is a schematic view of the installation of the conductive plastic and metal sheet of the present invention.

The attached drawings are as follows:

1-switching extension female terminal, 11-elastic connecting component, 2-mutual matching female terminal, 3-H type insulating shell, 31-through hole, 4-plastic connecting component, 41-plastic connecting component A, 42-plastic connecting component B, 5-metal contact pin, 51-short pin, 52-long pin, 53-metal grounding pin, 6-conductive plastic strip, 61-conductive plastic block and 7-metal sheet.

Detailed Description

Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and do not limit the scope of the present invention.

It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

As shown in fig. 1-4, the first backplane connector adapter of the embodiment is an easily-expanded backplane connector adapter, and both ends of the first backplane connector adapter are respectively used for connecting a switching expansion female terminal 1 and an interworking female terminal 2, and the first backplane connector adapter comprises an H-shaped insulating housing 3, a plastic connector 4 and a plurality of metal contact pins 5, wherein a plurality of through holes 31 are formed in the middle of the H-shaped insulating housing 3 for clamping the plastic connector 4, and two adjacent through holes are mutually reverse in a clamping interface a, the plastic connector is divided into two types, namely, the plastic connector a and the plastic connector B, and the clamping interfaces B of the plastic connector a and the plastic connector B are also mutually reverse and are used for being matched with the clamping interface a of the through holes.

The plastic connecting piece 4 is used for fixing the metal contact pins 5, the metal contact pins 5 penetrate through the plastic connecting piece 4, and the metal contact pins 5 are not directly connected with each other to form a metal plastic integrated piece; the part of the metal contact pin 5 embedded in the plastic connecting piece 4 is bent to form a coplanar height difference h, and a plurality of metal contact pins 5 form a plurality of contact pin groups; the parts of two ends of the metal contact pin 5 extending out of the plastic connecting piece 4 are respectively contacted with the elastic connecting components 11 in the switching expansion female terminal 1 and the matching female terminal 2; the three metal contact pins 5 are arranged into a group of contact pin groups, which are respectively two short pins 51 and a long pin 52, the two short pins 51 are a pair of differential signal pairs, and the long pin 52 is grounded; a plurality of groups of contact pin groups can be fixed on one plastic connecting piece 4, and the number of the contact pin groups can be flexibly expanded according to the requirements of the female terminal jacks on two sides, for example, the contact pin groups are expanded from 4 groups to 6 groups. The extension length of the metal contact pins 5 on the mating side can be adjusted according to the requirements of customers. The transferring expansion side is additionally provided with a metal grounding pin 53 at the outermost side of the metal contact pins 5, so that the number of the metal contact pins 5 at the matching side and the transferring expansion side is different.

As shown in fig. 5, in the second embodiment, conductive plastic blocks 61 are added on the front and back sides of each long pin 52, the conductive plastic blocks are respectively connected by front and back conductive plastic strips 6, so that the long pins 52 are connected and grounded, the two conductive plastic strips 6 are respectively arranged on the front and back sides of the plastic connector 4, and the conductive plastic is made of plastic with conductive plastic added therein. The metal sheet 7 is added on the surface of the plastic connecting piece 4 and is contacted with the conductive plastic strip 6, so that the signal transmission quality can be better improved, and the requirements of different transmission qualities of customers are met.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.

Claims

1. The back panel connector adapter easy to expand is characterized by comprising an H-shaped insulating shell, a plastic connecting piece and a plurality of metal contact pins, wherein the middle of the H-shaped insulating shell is provided with a through hole for clamping the plastic connecting piece; the plastic connecting piece is used for fixing the metal contact pins, the metal contact pins penetrate through the plastic connecting piece, and the metal contact pins are not directly connected with each other to form a metal plastic integrated piece; the metal contact pins form a plurality of contact pin groups; the two ends of the metal contact pin extend out of the plastic connecting piece to be respectively contacted with the elastic connecting components in the switching expansion female terminal and the matching female terminal; and a metal grounding pin is added on any one of the interworking side or the switching expansion side, and does not extend out of the other side, so that the number of the metal contact pins on the interworking side and the switching expansion side is different.

2. An easily expandable backplane connector adapter according to claim 1, wherein the extension lengths of said mating side metal contact pins and said metal grounding pins are adjusted according to customer requirements.

3. The easily expandable backplane connector adapter according to claim 1, wherein three of said metal contact pins are provided as a set of two short pins and one long pin, respectively, wherein two of said short pins are a pair of differential signal pairs, and one of said long pins is grounded; and a plurality of groups of the contact pin groups are fixed on the plastic connecting piece.

4. An easily expandable backplane connector adapter according to claim 3, wherein said contact pins are expanded in number according to the number of insertion holes for connecting the adapting expansion female terminal and the mating female terminal.

5. The backplane connector adaptor of claim 1, wherein a plurality of through holes are formed in the insulating housing for engaging a plurality of said plastic connectors, the card interfaces a of two adjacent through holes are opposite, the plastic connectors are divided into two types, i.e. a plastic connector a and a plastic connector B, and the card interfaces B of the plastic connector a and the plastic connector B are also opposite for matching with the card interfaces a of the through holes.

6. An easily expandable backplane connector adapter according to claim 1, wherein the portion of said metal contact pins embedded within said plastic connector is bent.

7. The easily expandable backplane connector according to claim 3, wherein conductive plastic blocks are added on the front and back sides of each of said long pins, a plurality of said conductive plastic blocks are connected by front and back conductive plastic strips respectively, so that a plurality of said long pins are connected to ground, and two said conductive plastic strips are disposed on the front and back sides of said plastic connector respectively.

8. The readily expandable backplane connector according to claim 7, wherein said plastic connector has metal tabs on its surface for contacting said conductive plastic strips.