CN213149313U

CN213149313U - QSFP28 multi-rate module

Info

Publication number: CN213149313U
Application number: CN202021711317.3U
Authority: CN
Inventors: 方生金; 殷瑞麟; 王远
Original assignee: Shenzhen Oulingke Communication Technology Co ltd
Current assignee: Shenzhen Oulingke Communication Technology Co ltd
Priority date: 2020-08-17
Filing date: 2020-08-17
Publication date: 2021-05-07
Anticipated expiration: 2030-08-17

Abstract

The utility model provides a QSFP28 multirate module belongs to optical communication technical field. The QSFP28 multi-rate module comprises a body and a cage for the body to be inserted, wherein the body comprises a base, an upper shell and a photoelectric part, the upper shell is clamped on the base, two sides of the upper shell are provided with elongated grooves, fixed shafts are arranged in the grooves, swing rods are rotatably connected on the fixed shafts and are Z-shaped, one ends of the two swing rods, which are far away from the cage, are fixed through a connecting beam, the connecting beam extends outwards to form a drawing part, the outer side surface of the swing rod, which is far away from one end of the connecting beam, is provided with a first elastic part, one end of the first elastic part is fixed on the outer side surface of the swing rod, the other end of the first elastic part is fixedly connected with a clamping and embedding head, the cage is provided with a socket for the body to be inserted, two sides of the inner wall of the socket are provided with guide chutes for the clamping and embedding head to slide, and two sides of the cage are provided, the plugging times are reduced.

Description

QSFP28 multi-rate module

Technical Field

The utility model belongs to the technical field of optical communication, a QSFP28 multirate module is related to.

Background

The steady development of the global telecommunication industry and the steady growth of broadband users lay a solid foundation for the development of the optical communication industry. With the continuous improvement of the global bandwidth demand and the expansion of the application fields of data centers and security monitoring optical communication industries, the optical fiber broadband access has become the mainstream communication mode. Under the promotion of popularization of terminals such as smart phones and the like and applications such as video and cloud computing, telecom operators continuously invest in building and upgrading mobile broadband networks and optical fiber broadband networks, and the investment scale of optical communication equipment is further enlarged.

The rapid development of the optical communication industry drives the updating of the optical module. Under the market competition environment that current optical communication is intense day by day, people also are higher and higher to the requirement of optical module, current module all has the restriction in the plug number of times, the plug can damage after reaching a certain amount, people can verify whether reliable by the locking of module when inserting corresponding cage with the module, and current module can relapse the plug module when verifying, so not only can reduce the plug number of times, aggravate the damage of module, the emergence of false result can also appear easily in addition, originally can take place the unblock phenomenon by the module of locking after being inserted and pulled out by repeated verification.

Disclosure of Invention

The utility model aims at solving the problems in the prior art, and provides a QSFP28 multi-rate module.

The purpose of the utility model can be realized by the following technical proposal: a QSFP28 multi-rate module comprises a body and a cage for the body to insert, and is characterized in that the body comprises a base, an upper shell and a photoelectric part, the upper shell is clamped on the base, the upper shell is connected with the base to form an inner cavity, the photoelectric part is arranged in the inner cavity, the photoelectric part is connected with the base, two sides of the upper shell are provided with elongated grooves, fixed shafts are arranged in the grooves, swing rods are rotatably connected on the fixed shafts, the swing rods are Z-shaped, one ends of the two swing rods, far away from the cage, are fixed through connecting beams, the connecting beams extend outwards to form pull parts, the outer side surface of the swing rod, far away from one end of the connecting beams, is provided with a first elastic part, one end of the first elastic part is fixed on the outer side surface of the swing rods, the other end of the first elastic part is fixedly connected with a clamping and embedding head, the cage is provided with, the lead spout supplies the inlay card head to slide, the cage both sides all are opened the connecting hole that supplies the inlay card head embedding, lead spout one end and extend to the socket, lead the other one end of spout and extend to the connecting hole, lead the spout and be close to socket one end and be less than lead spout and be close to connecting hole one end, socket inner wall both sides still are equipped with respectively and hold the piece groove, hold the top that the piece groove is located the homonymy connecting hole, hold piece groove upper wall fixedly connected with second elastic component, upper wall one end fixedly connected with plug block that pushes away is kept away from to the second elastic component, and when the second elastic component did not receive the power, the plug block shutoff leads the spout and is close to the one end of connecting hole.

When the body is inserted, the clamping and embedding head on the first elastic piece is firstly aligned to the opposite guide sliding groove, the clamping and embedding head is made to slide into the guide sliding groove, along with the pushing of the body, the clamping and embedding head is close to the plug pushing block through the guide sliding groove, the plug pushing block gradually forms an extrusion trend, the second elastic piece is extruded after the plug pushing block is stressed, when the clamping and embedding head is located above the connecting hole, the clamping and embedding head is pushed to go deep into the connecting hole by the pressure release of the first elastic piece, and then the clamping and embedding head is pressed down to the lower end of the connecting hole by the reaction force of the second elastic piece. After the body is completely inserted into the cage, an operator needs to verify whether the body is reliably locked, the operator only needs to pull the pulling part outwards, the first elastic piece enables the clamping head to go deep into the connecting hole, the second elastic piece pushes up the plugging block to the guide sliding groove, the body is firmly fixed in the cage, when the body needs to be pulled out, the pulling part only needs to be pushed downwards, the swinging rod swings through the connecting beam, the swinging rod is located at one end of the cage and upwarps to control the first elastic piece and the clamping head to move upwards, the plugging block is pushed upwards while the clamping head moves upwards, the inner end of the guide sliding groove is not plugged, the pulling part is pulled outwards while the pulling part is pressed downwards, the clamping head can return to the guide sliding groove again, and finally the pulling part is pulled outwards to move out of the guide sliding groove. In addition, the guide sliding groove, the connecting hole and the accommodating piece groove are not penetrated outside the cage, so that electromagnetic leakage can be reduced.

In the QSFP28 multi-rate module, the connecting hole is long, the upper end of the connecting hole is communicated with the lower end of the piece accommodating groove, and one side of the connecting hole, which is close to the guide sliding groove, is communicated with the guide sliding groove.

By adopting the structure, the connecting hole, the piece containing groove and the guide sliding groove are all in common.

In the above QSFP28 multi-rate module, the first elastic member and the second elastic member are both springs, the push block is hemispherical, the snap head includes a hemispherical end portion and a cylindrical connecting portion, and the end portion and the connecting portion are integrally formed.

By adopting the structure, when the clamping head slides in the sliding groove to the plug pushing block and the plug pushing block to form extrusion, the hemispherical structure of the plug pushing block is utilized, the second elastic piece is extruded through the upward movement of the plug pushing block, when the clamping head is completely positioned at the lower end of the plug pushing block, the clamping head is sent into the connecting hole through the pressure release matching of the first elastic piece, the pressure release of the second elastic piece is utilized, the clamping head is pressed down through the plug pushing block, the plug pushing block continues to plug the groove, and the clamping head is prevented from sliding into the sliding groove again. In addition, the clamping and inserting head comprises a hemispherical end part and a cylindrical connecting part, when the clamping and inserting head is required to be separated from the connecting hole, the pushing and pulling part is pressed downwards to push the pushing and blocking block upwards by utilizing the swinging of the swinging rod, the clamping and inserting head can be smoothly separated from the connecting hole by the outward pulling force of the pulling and pulling part, the depth of the guide sliding groove is equal to that of the accommodating part groove, the depth of the connecting hole is greater than that of the guide sliding groove, and the depth difference between the connecting hole and the guide sliding groove is the end part radius length.

In the QSFP28 multi-rate module, the width of the groove is greater than the width of the swing lever, a notch for the swing lever to extend outward is formed on one side of the groove close to the drawing part, and the width of the notch is equal to the width of the groove.

By adopting the structure, the swinging of the swinging rod in the groove is realized, and the arrangement of the notch ensures that the swinging of the swinging rod can be realized by pressing the drawing part outwards.

In the QSFP28 multi-rate module, the pulling portion includes an arc-shaped pulling ring and a finger-pressing plate integrally formed with the arc-shaped pulling ring, and the finger-pressing plate has a plurality of raised grains.

Structure more than adopting utilizes arc pull ring and indicates to press the board and has made things convenient for operating personnel's plug and press, and the setting of line is through strengthening frictional force, further makes things convenient for operating personnel's use in addition.

In one QSFP28 multi-rate module described above, the optoelectronic section includes a functional circuit board, a ROSA, a TOSA, and a fiber optic connector, both of which are connected to the functional circuit board by pins, and the fiber optic connector is butted to the ROSA and the TOSA.

The function circuit board is provided with a golden finger which is positioned at one reverse end of the optical fiber connector, the function circuit board at the end of the golden finger extends out of the inner cavity, and when the body is inserted into the cage, the golden finger is contacted with the electric connector in the host device. The interface end of the optical fiber connector is positioned outside the inner cavity at the reverse end of the golden finger, and the interface end of the optical fiber connector can be also provided with a dustproof plug.

In the QSFP28 multi-speed module, the upper surface of the upper shell is provided with an elastic sheet, the lower surface of the base is provided with an elastic sheet, and the upper wall and the lower wall of the socket are both provided with card slots for the elastic sheet to be embedded in.

Structure more than adopting for when the body inserts the cage, the stability when the cooperation through flexure strip and card groove has further consolidated the joint strength of body and cage and is connected of improvement body and cage.

Compared with the prior art, the advantages of the QSFP28 multi-rate module have the following points

1. After the body inserted the cage completely in this QSFP28 multirate module, operating personnel need verify whether the body is reliably when being locked, operating personnel only need outwards try to draw the draw portion, because first elastic component makes the inlay card head go deep into the connecting hole, because the shutoff of second elastic component upper push-up sprue to the spout of leading, the body is firmly fixed in the cage, if can extract just to explain the body and insert the cage completely, if extract just to explain this quilt locking, the phenomenon of being extracted once more can not appear after this quilt locking in the verification, the plug number of times has been reduced, in addition can also avoid the appearance of false result when verifying. When the body needs to be pulled out, the operation of pressing the drawing part can be completed only by adding, so that the operation of an operator is facilitated.

2. This QSFP28 multi-rate module middle guide chute, connecting hole, appearance piece groove and card groove all do not run through outside the cage, can reduce electromagnetic and reveal.

3. This QSFP28 multi-rate module in flexure strip and the setting in card groove, the stability when having further consolidated the joint strength of body with the cage and improving being connected of body with the cage.

Drawings

Fig. 1 is a schematic diagram of the structure of the body in the present QSFP28 multi-rate module.

Fig. 2 is a partial cross-sectional view of a cage in the multi-rate module of the present QSFP 28.

Fig. 3 is a top view of the opto-electronic part of the QSFP28 multi-rate module.

In the figure, 1, cage; 2. a base; 3. an upper shell; 4. a groove; 5. a fixed shaft; 6. a swing lever; 7. connecting the cross beam; 8. a first elastic member; 9. clamping and embedding the head; 10. a socket; 11. a guide chute; 12. connecting holes; 13. a component containing groove; 14. a second elastic member; 15. pushing the plugging block; 16. an arc-shaped pull ring; 17. a finger pressing plate; 18. lines; 19. a functional circuit board; 20. ROSA; 21. a TOSA; 22. an optical fiber connector; 23. a pin; 24. an elastic sheet; 25. a card slot.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1-3, the QSFP28 multi-rate module includes a body and a cage 1 for inserting the body, the body includes a base 2, an upper case 3 and an optoelectronic part, the upper case 3 is connected to the base 2 to form an inner cavity, the optoelectronic part is located in the inner cavity, the optoelectronic part is connected to the base 2, the optoelectronic part includes a function circuit board 19, a ROSA20, a TOSA21 and an optical fiber connector 22, the ROSA20 and the TOSA21 are both connected to the function circuit board 19 through pins 23, and the optical fiber connector 22 is connected to the ROSA20 and the TOSA 21. The functional circuit board 19 is provided with a golden finger which is positioned at one reverse end of the optical fiber connector 22, the functional circuit board 19 at the golden finger end extends out of the inner cavity, and when the body is inserted into the cage 1, the golden finger is contacted with an electric connector in the host device. The interface end of the optical fiber connector 22 is located outside the inner cavity at the opposite end of the golden finger, and the interface end of the optical fiber connector 22 may be further provided with a dust plug.

The two sides of the upper shell 3 are provided with strip-shaped grooves 4, fixed shafts 5 are arranged in the grooves 4, the fixed shafts 5 are rotatably connected with swing rods 6, and the swing rods 6 are fixed on the fixed shafts 5 through bearings. Swing rod 6 is the Z style of calligraphy, and two swing rods 6 keep away from the one end of cage 1 and pass through connecting crossbeam 7 fixedly, and connecting crossbeam 7 outwards extends has pull portion, and pull portion includes arc pull ring 16 and presses board 17 with arc pull ring 16 integrated into one piece's finger, and the finger has a plurality of bellied lines 18 on pressing board 17. Utilize arc pull ring 16 and indicate to press board 17 to make things convenient for operating personnel's plug and press, the setting of line 18 in addition, through strengthening frictional force, further makes things convenient for operating personnel's use.

The lateral surface that connecting crossbeam 7 one end was kept away from to swinging arms 6 has first

elastic component

8, and 8 one ends of first elastic component are fixed in the 6 lateral surfaces of swinging arms, and 8 other one ends fixedly connected with inlay card heads 9 of first elastic component, and inlay card head 9 is including being hemispherical tip and being cylindric connecting portion, and tip and connecting portion are integrated into one piece.

Cage 1 has and supplies body male socket 10, socket 10 inner wall both sides all have lead spout 11, lead spout 11 supplies inlay card head 9 to slide, cage 1 both sides all have and supply inlay card head 9 embedding connecting hole 12, lead spout 11 one end and extend to socket 10, lead spout 11 other one end and extend to connecting hole 12, lead spout 11 is the slope setting, lead spout 11 and be less than lead spout 11 and be close to connecting hole 12 one end near socket 10 one end, socket 10 inner wall both sides still are equipped with container groove 13 respectively, container groove 13 is located the top of homonymy connecting hole 12, container groove 13 upper wall fixedly connected with second elastic component 14, second elastic component 14 keeps away from upper wall one end fixedly connected with plug 15, plug 15 is hemispherical, when second elastic component 14 is not atress, plug 15 blocks the one end that lead spout 11 and is close to connecting hole 12. The connecting hole 12 is long, the upper end of the connecting hole 12 is communicated with the lower end of the piece accommodating groove 13, and one side of the connecting hole 12 close to the guide sliding groove 11 is communicated with the guide sliding groove 11. The first elastic member 8 and the second elastic member 14 are both springs.

The width of the groove 4 is larger than that of the swing rod 6, one side of the groove 4, which is close to the drawing part, is provided with a notch for the swing rod 6 to extend outwards, and the width of the notch is equal to that of the groove 4. With the structure, the swing rod 6 swings in the groove 4, and the notch is arranged, so that the swing rod 6 can swing by pressing the drawing part outwards. The depth of the guide sliding groove 11 is equal to that of the accommodating piece groove 13, the depth of the connecting hole 12 is larger than that of the guide sliding groove 11, and the depth difference between the connecting hole 12 and the guide sliding groove 11 is the length of the radius of the end part. Elastic glue can be arranged at the gap, and sealant can be arranged on the upper shell 3 and the base 2, so that electromagnetic leakage can be further prevented.

The upper surface of the upper shell 3 is provided with an elastic sheet 24, the lower surface of the base 2 is provided with an elastic sheet 24, and the upper wall and the lower wall of the socket 10 are provided with card slots 25 for the elastic sheet 24 to be embedded. When the body is inserted into the cage 1, the connection strength between the body and the cage 1 is further strengthened and the stability when the body is connected with the cage 1 is improved through the matching of the elastic sheet 24 and the card slot 25.

The basic working principle is as follows: when the body is inserted, the engaging head 9 on the first elastic member 8 is aligned with the opposite sliding guide slot 11, and the engaging head 9 slides into the sliding guide slot 11, along with the advance of the body, the engaging head 9 approaches to the plug pushing block 15 through the sliding guide slot 11, gradually forming an extrusion trend to the plug pushing block 15, the plug pushing block 15 extrudes the second elastic member 14 after being stressed, when the engaging head 9 is located above the connecting hole 12, the releasing pressure of the first elastic member 8 pushes the engaging head 9 deep into the connecting hole 12, the engaging head 9 is pressed down to the lower end of the connecting hole 12 by the reaction force of the second elastic member 14, and when the body is completely inserted into the cage 1, the elastic piece 24 on the upper shell 3 and the elastic piece 24 under the base 2 are respectively inserted into the corresponding card slots 25. Whether reliable by the locking time of body need be verified, operating personnel only need hold between the fingers and press board 17, outside level try pull alright, if can extract just to explain the body and not insert cage 1 completely, if extract just to explain this quilt locking, when verifying, the body is locked, the phenomenon of being extracted once more can not appear in the body, has reduced the plug number of times. When the body is pulled out to needs, pinch and point and press board 17 to push down and draw outward it, point and press board 17 to push down and make swinging arms 6 be located cage 1 one end upwarp, swinging arms 6 is located cage 1 one end upwarp and makes first elastic component 8 and inlay card head 9 move up, inlay card head 9 promotes when moving up and pushes plug block 15 and moves up, plug block 15 no longer seals up lead chute 11 the inner, inlay card head 9 gets back to lead chute 11 again, at last the body alright break away from cage 1.

Although the terms cage 1, base 2, upper shell 3, groove 4, fixing shaft 5, swing lever 6, connecting beam 7, first elastic member 8, snap fitting 9, socket 10, guide sliding groove 11, connecting hole 12, receiving groove 13, second elastic member 14, push block 15, arc-shaped pull ring 16, finger hold plate 17, grain 18, functional circuit board 19, ROSA20, TOSA21, optical fiber connector 22, pin 23, elastic piece 24, card groove 25, etc. are used more often herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. A QSFP28 multi-rate module comprises a body and a cage for the body to insert, and is characterized in that the body comprises a base, an upper shell and a photoelectric part, the upper shell is clamped on the base, the upper shell is connected with the base to form an inner cavity, the photoelectric part is arranged in the inner cavity, the photoelectric part is connected with the base, two sides of the upper shell are provided with elongated grooves, fixed shafts are arranged in the grooves, swing rods are rotatably connected on the fixed shafts, the swing rods are Z-shaped, one ends of the two swing rods, far away from the cage, are fixed through connecting beams, the connecting beams extend outwards to form pull parts, the outer side surface of the swing rod, far away from one end of the connecting beams, is provided with a first elastic part, one end of the first elastic part is fixed on the outer side surface of the swing rods, the other end of the first elastic part is fixedly connected with a clamping and embedding head, the cage is provided with, the lead spout supplies the inlay card head to slide, the cage both sides all are opened the connecting hole that supplies the inlay card head embedding, lead spout one end and extend to the socket, lead the other one end of spout and extend to the connecting hole, lead the spout and be close to socket one end and be less than lead spout and be close to connecting hole one end, socket inner wall both sides still are equipped with respectively and hold the piece groove, hold the top that the piece groove is located the homonymy connecting hole, hold piece groove upper wall fixedly connected with second elastic component, upper wall one end fixedly connected with plug block that pushes away is kept away from to the second elastic component, and when the second elastic component did not receive the power, the plug block shutoff leads the spout and is close to the one end of connecting hole.

2. The QSFP28 multi-rate module according to claim 1, wherein the connection hole is elongated, an upper end of the connection hole is in communication with a lower end of the container slot, and a side of the connection hole adjacent to the guide slot is in communication with the guide slot.

3. The QSFP28 multi-rate module of claim 1, wherein the first and second resilient members are each a spring, the push block is hemispherical, the snap head includes a hemispherical end portion and a cylindrical connecting portion, the end portion and the connecting portion are integrally formed.

4. A QSFP28 multi-rate module according to claim 1, wherein the width of the slot is greater than the width of the rocking beam, and wherein the slot is provided with a notch extending outwardly from the rocking beam adjacent the pull, the notch having a width equal to the width of the slot.

5. The QSFP28 multi-rate module of claim 1, wherein the pull portion comprises an arcuate tab and a finger plate integral with the arcuate tab, the finger plate having a plurality of raised ridges thereon.

6. The QSFP28 multi-rate module of claim 1, wherein the optoelectronic component comprises a functional circuit board, a ROSA, a TOSA, and a fiber optic connector, the ROSA and TOSA each being connected to the functional circuit board by pins, the fiber optic connector being mated to the ROSA and TOSA.

7. The QSFP28 multi-rate module according to claim 1, wherein the upper housing surface is provided with a resilient tab and the lower base surface is provided with a resilient tab, and the upper and lower socket walls are provided with card slots into which the resilient tabs fit.