CN214797889U - QSFP-DD connector - Google Patents

Abstract

The utility model discloses a QSFP-DD connector, which comprises a module shell, a PCB board arranged in the module shell, and a cable connected with the PCB board, wherein a locking mechanism used for locking the module on an external interface is arranged on the module shell; the locking mechanism comprises an unlocking piece and a return spring arranged between the unlocking piece and the module shell; the module shell comprises an upper cover with a clamping groove at the front part and a lower cover with a clamping table at the front part; the position and the shape of the clamping groove arranged on the upper cover are matched with the position and the shape of the clamping table arranged at the front part of the lower cover; the front parts of the upper cover and the lower cover are mutually clamped and fixed through the clamping groove and the clamping table; the back of the upper cover and the back of the lower cover are fixed by a pin. The utility model has the characteristics of the practicality is strong, and the cable goes out the line space greatly, and stable in structure etc. can effectually increase the cable and go out the line space, improve QSFP-DD connector product structure's stability, avoid QSFP-DD connector the problem that the spring easily drops in assembling process.

Description

QSFP-DD connector

Technical Field

The utility model belongs to the technical field of photoelectric converter, concretely relates to QSFP-DD connector.

Background

With the development of communication technology, the demand of the optical module is increased gradually, the continuous research and development and innovation of optical module products by optical module research and design enterprises are promoted, and the performances of the transmission rate, the transmission stability, the practicability and the like of the optical module are continuously optimized so as to meet the product demand of the optical module, thereby meeting the requirements of the rapid development and the technical innovation of the communication technology. Research aiming at the existing QSFP-DD connector shows that the upper cover and the lower cover of the QSFP-DD connector used at present are fixed by two rivets at the joint of the tail ends of the upper cover and the lower cover for better fixation, but research and development shows that the problem of insufficient cable outlet space exists when the two rivets are used for fixation; meanwhile, researches show that the spring placing position in the QSFP-DD connector is of an opening structure, the spring is easy to fall off in the processes of production, assembly and use, the production efficiency and the product quality are reduced, and the performance of the QSFP-DD connector is influenced.

Disclosure of Invention

The utility model discloses an overcome above-mentioned prior art not enough, it is strong to provide a practicality, and the cable goes out the line space big, and stable in structure's QSFP-DD connector can effectually increase the cable and goes out the line space, improves the stability of QSFP-DD connector product structure, avoids the problem that QSFP-DD connector spring easily drops in assembly process.

In order to solve the technical problem, the utility model discloses a following scheme realizes: a QSFP-DD connector comprises a module shell, a PCB arranged in the module shell and a cable connected with the PCB, wherein a locking mechanism used for locking a module on an external interface is arranged on the module shell; the locking mechanism comprises an unlocking piece and a return spring arranged between the unlocking piece and the module shell; the module shell comprises an upper cover with a clamping groove at the front part and a lower cover with a clamping table at the front part; the position and the shape of the clamping groove arranged on the upper cover are matched with the position and the shape of the clamping table arranged at the front part of the lower cover; the front parts of the upper cover and the lower cover are mutually clamped and fixed through the clamping groove and the clamping table; the back part of the upper cover and the back part of the lower cover are fixed through a pin.

Preferably, the rear part of the lower cover is provided with two inward fixing ports and a communication hole for communicating the left side and the right side of the lower cover.

Preferably, the two sides of the rear part of the upper cover, which correspond to the position of the fixing port at the rear part of the lower cover, are provided with fixing seats extending downwards; the shape and the size of the fixed seat are matched with those of the fixed opening; a fixed hole is arranged on the fixed seat corresponding to the position of the communicating hole of the lower cover; the pin is communicated with the fixing hole of the upper cover and the communicating hole of the lower cover, so that the rear part of the upper cover and the rear part of the lower cover are fixed.

Preferably, a spring fixing position is arranged on the outer side of the fixing seat of the upper cover corresponding to the position of the return spring.

Preferably, the spring fixing position is provided with a bayonet for preventing the return spring from falling off.

Preferably, the spring fixing position is a rectangular groove.

Preferably, the pin is a cylindrical pin.

Preferably, one end of the pin is provided with a chamfer, and the other end of the pin is provided with a knurl.

Preferably, the unlocking piece is of an integrally formed structure.

Compared with the prior art, the QSFP-DD connector of the utility model changes the fixing mode of the module shell of the traditional QSFP-DD connector, and changes the original design mode of adopting the rivet fixing in the vertical direction between the tail ends of the upper cover and the lower cover into the mode of adopting the transverse pin between the lower parts of the tail ends of the upper cover and the lower cover to fix the upper cover and the lower cover, so that the module shell has the characteristics of firm fixation, large cable outgoing space and stable structure, thereby effectively increasing the cable outgoing space and improving the stability of the QSFP-DD connector product structure; the bayonet for preventing the return spring from falling off is arranged on the spring fixing position, so that the return spring can be effectively fixed in the spring fixing position, the return spring is effectively prevented from falling off from the spring fixing position in the assembling and using processes of the QSFP-DD connector, the assembling efficiency is increased, and the product quality is improved; simultaneously to the mechanism design of pin, be equipped with the chamfer in the one end of pin, the other end is equipped with the annular knurl, adopts the chamfer design to make things convenient for the pin to penetrate in the fixed orifices of upper cover and the intercommunication hole of lower cover, provides production and assembly efficiency, adopts the annular knurl design can have effectively, firmly fix the pin in the fixed orifices of upper cover and the intercommunication hole of lower cover, prevents that the pin from droing, improves product quality and performance.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a diagram of the explosion head of the present invention.

Fig. 3 is a schematic structural diagram of the lower cover of the present invention.

Fig. 4 is a schematic structural diagram of the upper cover of the present invention.

Fig. 5 is an enlarged view of a portion a of fig. 4.

Fig. 6 is a schematic structural diagram of the pin of the present invention.

Wherein, the module housing 1; an upper cover 11; a card slot 111; a fixed base 112; a fixing hole 1121; a spring retention station 1122; a bayonet 1123; a lower cover 12; a chuck table 121; a fixed port 122; a communication hole 123; a pin 13; a PCB board 2; a cable 3; a latch mechanism 4; an unlocking member 41; a return spring 42.

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted; the same or similar reference numerals correspond to the same or similar parts; the terms describing positional relationships in the drawings are for illustrative purposes only and are not to be construed as limiting the patent.

Detailed Description

The following detailed description of the preferred embodiments of the present invention is provided to enable those skilled in the art to better understand the advantages and features of the present invention, and to define the scope of the present invention more clearly.

As shown in fig. 1 to 6, a QSFP-DD connector includes a module housing 1, a PCB 2 mounted in the module housing 1, and a cable 3 connected to the PCB, wherein a latch mechanism 4 for latching the module to an external port is mounted on the module housing. The latching mechanism includes an unlatching member 41 and a return spring 42 mounted between the unlatching member and the module housing. The unlocking piece 41 is a universal component of the existing QSFP-DD connector, and the unlocking piece 41 is an integrally formed structure of front alloy and rear plastic. The PCB board 2 and the cable 3 are general parts of a conventional QSFP-DD connector.

The module housing 1 comprises an upper cover 11, a lower cover 12 matched with the upper cover 11 in shape and size, and a pin 13 arranged at the rear parts of the upper cover 11 and the lower cover 12 and used for fixing the rear parts of the upper cover and the lower cover. The front part of the upper cover 11 is provided with a clamping groove 111, and the two sides of the rear part are provided with fixing seats 112. The fixing base 112 is disposed at the rear of the upper cover and extends downward, and the height of the fixing base 112 is the same as the thickness of the lower cover 12.

The front part of the lower cover 12 is provided with a clamping table 121 matched with the position of the clamping groove 111 of the upper cover, and the rear part is provided with two inward fixing ports 122 and communicating holes 123 communicating the left side and the right side of the lower cover. The position and shape of the clamping table 121 are matched with those of the clamping groove, so that the clamping groove 111 arranged at the front part of the upper cover and the clamping table 121 arranged at the front part of the lower cover are clamped with each other at the front part of the module shell 1, and the front part of the module shell is fixed.

The position and size of the fixing opening 122 are matched with those of the fixing seat 112, so that the fixing opening and the fixing seat are mutually clamped after the upper cover and the lower cover are assembled.

In order to fix the rear part of the module housing, a fixing hole 1121 is formed in the fixing seat 112 of the upper cover; the rear part of the lower cover 12 is provided with a communication hole 123 for communicating the left side and the right side of the lower cover. The position of the fixing hole 1121 is matched with the position of the communication hole 123, so that the fixing hole 1121 is aligned with the communication hole 123 when the upper cover and the lower cover are assembled. The rear part of the module housing is fixed by inserting the pin 13 into the fixing hole 1121 and the communication hole 123, thereby fixing the rear parts of the upper cover and the lower cover.

The pin is a cylindrical pin. In order to better realize the fixation of the rear parts of the upper cover and the lower cover, the pin is improved, one end of the pin is provided with a chamfer, and the other end of the pin is provided with a knurl. One end of the pin is provided with a chamfer, and the pin penetrates through the fixing hole 1121 and the communication hole 123, so that the assembly is convenient; the other end of the pin is provided with a knurl, and the fixing effect of the pin in the fixing hole 1121 and the communicating hole 123 is increased through the knurl, so that the pin is effectively prevented from falling off from the fixing hole 1121 and the communicating hole 123, and the firm fixing of the upper cover and the rear part of the lower cover is realized.

In order to improve the quality of the QSFP-DD connector, the reset spring is prevented from falling off the module shell in the assembling and using processes of the QSFP-DD connector, and the upper cover of the module shell is improved. The outer side of the fixing seat 112 of the upper cover is provided with a spring fixing position 1122. The spring fixing position 1122 is an inward-recessed rectangular groove, and the position of the spring fixing position 1122 corresponds to the position of the return spring 42, so that the return spring 42 can be installed on the spring fixing position 1122, and the QSFP-DD connector can be reset after the locking mechanism 4 is used.

In order to prevent the return spring from falling off from the spring fixing position in the assembling and using processes of the QSFP-DD connector, increase the assembling efficiency and improve the product quality, a bayonet 1123 for preventing the return spring from falling off is arranged on the spring fixing position 1122; the bayonet 1123 is positioned adjacent to the side of the fixing hole 1121. Wherein, the length of bayonet 1123 is less than the length of spring fixed position 1122, utilizes the bayonet socket can effectually avoid reset spring 42 to drop from spring fixed position 1122 to effectual limit reset spring 42 at the rectangle recess of spring fixed position 1122.

The utility model discloses a QSFP-DD connector has changed the fixed mode of the module shell of traditional QSFP-DD connector, adopts the rivet fixed design mode of vertical direction to modify into to adopt between the terminal lower part of upper cover and lower cover horizontal pin to fix upper cover and lower cover between original upper cover and lower cover end for the module shell has fixed firm, the cable space of going out the line is big, stable in structure's characteristics, thereby the cable space of going out the line has effectively been increased, the stability of QSFP-DD connector product structure is improved; the bayonet for preventing the return spring from falling off is arranged on the spring fixing position, so that the return spring can be effectively fixed in the spring fixing position, the return spring is effectively prevented from falling off from the spring fixing position in the assembling and using processes of the QSFP-DD connector, the assembling efficiency is increased, and the product quality is improved; simultaneously to the mechanism design of pin, be equipped with the chamfer in the one end of pin, the other end is equipped with the annular knurl, adopts the chamfer design to make things convenient for the pin to penetrate in the fixed orifices of upper cover and the intercommunication hole of lower cover, provides production and assembly efficiency, adopts the annular knurl design can have effectively, firmly fix the pin in the fixed orifices of upper cover and the intercommunication hole of lower cover, prevents that the pin from droing, improves product quality and performance.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (9)

1. A QSFP-DD connector comprises a module shell (1), a PCB (2) arranged in the module shell (1) and a cable (3) connected with the PCB, wherein a locking mechanism (4) used for locking a module on an external interface is arranged on the module shell; the locking mechanism comprises an unlocking piece (41) and a return spring (42) arranged between the unlocking piece and the module shell; the module is characterized in that the module shell comprises an upper cover (11) with a clamping groove (111) at the front part and a lower cover (12) with a clamping table (121) at the front part; the position and the shape of a clamping groove (111) arranged on the upper cover (11) are matched with the position and the shape of a clamping table (121) arranged at the front part of the lower cover (12); the front parts of the upper cover and the lower cover are mutually clamped and fixed through a clamping groove (111) and a clamping table (121); the rear part of the upper cover (11) and the rear part of the lower cover (12) are fixed through a pin (13).

2. The QSFP-DD connector according to claim 1, wherein the rear part of the lower cover (12) is provided with two inward fixing ports (122) and communication holes (123) for communicating the left and right sides of the lower cover.

3. The QSFP-DD connector according to claim 2, wherein the fixing ports (122) at the rear of the lower cover are provided with downwardly extending fixing seats (112) at both sides of the rear of the upper cover (11) at positions corresponding to the positions of the fixing ports at the rear of the lower cover; the shape and the size of the fixed seat (112) are matched with those of the fixed opening (122); a fixing hole (1121) is arranged on the fixing seat (112) corresponding to the position of the communicating hole (123) of the lower cover; the pin (13) is communicated with the fixing hole (1121) of the upper cover and the communication hole (123) of the lower cover, so that the rear part of the upper cover and the rear part of the lower cover are fixed.

4. The QSFP-DD connector according to any one of claims 1 to 3, wherein a spring retention location (1122) is provided on the outside of the upper cover retention seat (112) corresponding to the position of the return spring (42).

5. The QSFP-DD connector according to claim 4, wherein the spring retention site (1122) is provided with a bayonet (1123) for preventing the return spring from falling out.

6. The QSFP-DD connector according to claim 5, wherein the spring retention sites (1122) are rectangular slots.

7. The QSFP-DD connector according to claim 4, wherein the pins (13) are cylindrical pins.

8. The QSFP-DD connector according to claim 7, wherein the pin (13) is chamfered at one end and knurled at the other end.

9. The QSFP-DD connector according to claim 1, wherein the unlocking member (41) is of unitary construction.

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