CN209784588U - Double-core optical cable connector with self-locking function and assembling structure and disassembling and unlocking tool thereof - Google Patents
Double-core optical cable connector with self-locking function and assembling structure and disassembling and unlocking tool thereof Download PDFInfo
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- CN209784588U CN209784588U CN201920189198.0U CN201920189198U CN209784588U CN 209784588 U CN209784588 U CN 209784588U CN 201920189198 U CN201920189198 U CN 201920189198U CN 209784588 U CN209784588 U CN 209784588U
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Abstract
The utility model provides a take two core optical cable connectors of auto-lock and assembly structure and dismantlement and unlocking means thereof, optical cable connector includes front shell, backshell and tail cover, is equipped with between front shell and backshell and takes tail handle lock pin and spring, is equipped with compression ring and pyrocondensation pipe between backshell and tail cover, inserts the optical cable from the tail cover; the optical cable connector is self-locked by arranging the self-locking groove, and the buckle of the adapter hook is clamped in the self-locking groove, so that the optical cable connector cannot be pulled out without the help of an unlocking tool; the unlocking tool is convenient for reliably and efficiently pulling out the optical cable connector; the front shell is detached from the optical cable connector by the detaching tool, and the A/B polarity of the optical cable connector can be switched after the detaching tool is detached; therefore, the dual-core optical cable connector with self-locking provided by the utility model has the advantages of convenient installation or disassembly, polarity switching, self-locking and anti-pulling; use the utility model discloses a take auto-lock twin-core optical cable connector can reduce use cost, improve installation effectiveness, plug more convenient, connect more safe and reliable.
Description
Technical Field
The utility model relates to an optical cable connector and assembly structure technical field especially relate to take auto-lock double-core optical cable connector and assembly structure and dismantlement and the instrument of unblanking thereof.
Background
With the gradual acceleration of the 5G communication technology to commercial steps, the 5G bearer network construction brings huge market demands to 5G optical devices, and the N × 100/200/400Gb/s high-speed optical module will be introduced in the backhaul convergence and core layer. The OSFP MSA and the QSFP-DD (MSA) successively release the high-speed optical module with the double CS connector sockets, and the problem of rapid increase of data center flow is solved.
the existing double-core CS connector has double LC inserting cores, is small in size and provided with a push-pull rod, so that the panel of the adapter does not need to reserve a gap for accommodating the insertion and extraction of fingers, and the wiring density is improved. When the optical module is connected, the CS connector is inserted into the CS connector socket of the optical module, and a click sound is generated when the connection is in place; the CS connector can be easily pulled out by grasping the push-pull rod and applying a force backward.
however, the disadvantages are: the shell of the existing double-core CS connector cannot be disassembled, the polarity switching of an optical fiber port is not allowed on site, and the use is inconvenient; the CS connector can be easily pulled out during the use of the data center, and the economic loss caused by the connection interruption due to the erroneous pulling cannot be prevented.
SUMMERY OF THE UTILITY MODEL
In order to reduce cost, improve the installation effectiveness and prevent mistake and pull out, the utility model provides a but simple structure, simple to operate, polarity switch, take two core optical cable connector and assembly structure of auto-lock to and the extracting tool and the unlocking tool of supporting use.
The utility model discloses a solve the technical scheme that above-mentioned problem adopted and do:
The utility model provides a self-locking dual-core optical cable connector, which comprises a front shell, a rear shell and a tail sleeve, wherein two strips of tail handle inserting cores and two springs are arranged between the front shell and the rear shell; an oblique groove is formed in the middle of the top of the front shell, self-locking grooves are formed in the two sides of the oblique groove, a notch is formed in the top of the rear end opening of the front shell, and square holes are formed in the two sides of the front shell; the front end of the rear shell is provided with hooks matched with the square holes of the front shell, a deformation space is arranged between the hooks on the two sides, and the top of the middle baffle of the rear shell is provided with an arc-shaped bulge matched with the notch of the front shell.
Furthermore, the front end of the insertion core with the tail handle penetrates out of the front end of the front shell, the front end and the rear end of the spring are respectively sleeved outside the rear end of the insertion core with the tail handle and the front end of the rear shell, the front end of the compression joint ring is in threaded connection with the rear end of the rear shell, the rear end of the compression joint ring is connected with the heat shrink tube, the rear end of the heat shrink tube penetrates through the tail sleeve, and the tail sleeve is sleeved outside the front ends of the compression joint ring and the heat shrink tube.
Furthermore, the end part of the insertion core with the tail handle, which penetrates out of the front end of the front shell, is provided with a dustproof cap.
the utility model provides an above-mentioned take assembly structure of auto-lock dual core optical cable connector again, the front end of dual core optical cable connector inserts in adapter or the connector socket.
Furthermore, the adapter includes adapter shell, two adapter pothooks, sleeve pipe mounting, T shape bolt, and the middle part of adapter shell top surface is equipped with the bolt hole, and the front and back position of adapter shell top surface is equipped with the buckle hole that is used for buckle adapter pothook, the sleeve pipe is packed into the sleeve pipe mounting, and the sleeve pipe mounting is assembled to the inside intermediate position of adapter shell, and the T shape bolt inserts in the block hole of the baffle top of sleeve pipe mounting from the bolt hole.
Furthermore, the hook body of the adapter hook is provided with an outer circular arc table, an inner circular arc table and a buckle.
Still further, the snap of the adapter catch snaps into the self-locking groove of the front shell.
The utility model provides a be used for take extracting tool of auto-lock dual core optical cable connector, extracting tool is equipped with roof and both sides board, and both sides board outer wall is equipped with presses the indent, and the inner wall of both sides board respectively is equipped with a boss, the extracting tool card is in on the preceding shell of taking auto-lock dual core optical cable connector, the both sides pothook contact of boss and backshell.
The utility model also provides a be used for the unlocking means of taking auto-lock multicore optical cable connector, unlocking means is equipped with the bar board and is located two cardboards of bar board front end both sides, and two cardboard inner walls are equipped with the buckle, and the front end of bar board is equipped with the sharp body of slope, and the rear end of bar board is equipped with the handle, and the front end bottom surface of bar board still is equipped with protruding the knot.
Furthermore, the inclined sharp body at the front end of the strip-shaped plate is in contact with the inner arc table of the adapter hook, the buckles on the inner walls of the two clamping plates on the two sides of the front end of the strip-shaped plate clamp the tail sleeve, and the convex buckles on the bottom surface of the strip-shaped plate are matched with the arc-shaped bulges on the rear shell.
the beneficial effects of the utility model reside in that:
the self-locking double-core optical cable connector provided by the utility model has the advantages that the self-locking groove is arranged at the top of the front shell, the buckle of the adapter hook is clamped into the self-locking groove of the front shell for self-locking, the optical cable connector can not be pulled out without the help of an unlocking tool, and the condition that the optical cable connector is pulled out maliciously or unintentionally to cause connection interruption can be prevented; the utility model also provides an unlocking tool which is convenient for reliably and efficiently pulling out the optical cable connector; the utility model also provides a disassembling tool to disassemble the front shell from the optical cable connector, and after the disassembling tool is taken down, the A/B polarity of the optical cable connector can be switched; therefore, the dual-core optical cable connector with self-locking provided by the utility model has the advantages of convenient installation or disassembly, polarity switching, self-locking and anti-pulling; use the utility model discloses a take auto-lock twin-core optical cable connector can reduce use cost, improve installation effectiveness, plug more convenient, connect more safe and reliable.
drawings
Fig. 1 is a schematic view of the assembly of the components of the self-locking dual-core optical cable connector according to the present invention;
fig. 2 is a schematic view of the assembled structure of the self-locking dual-core optical cable connector of the present invention;
fig. 3 is a schematic structural diagram of a front shell in the self-locking dual-core optical cable connector according to the present invention;
Fig. 4 is a schematic structural diagram of a rear shell in the self-locking dual-core optical cable connector according to the present invention;
Fig. 5 is a schematic structural view of an adapter in the assembling structure of the optical cable connector according to the present invention;
Fig. 6 is an assembly view of the adapter in the assembly structure of the optical cable connector according to the present invention;
FIG. 7 is a schematic view of the structure of the adapter hook of the adapter of FIG. 6;
FIG. 8 is a cross-sectional view of the adapter catch of the adapter of FIG. 6;
Fig. 9 is a cross-sectional view of the assembly structure of the self-locking dual-core optical cable connector according to the present invention;
fig. 10 is a schematic structural view of an assembly structure of the self-locking dual-core optical cable connector according to the present invention;
FIG. 11 is a schematic view of a connector receptacle of another assembly structure of the optical cable connector of the present invention;
fig. 12 is a schematic structural view of the disassembling tool of the present invention;
fig. 13 is a schematic view of the dismounting tool of the present invention dismounting the front shell of the self-locking dual-core optical cable connector;
Fig. 14 is a cross-sectional view of the dismounting tool of the present invention dismounting the front shell of the connector with self-locking dual-core optical cable;
Fig. 15 is a top structural view of the unlocking tool of the present invention;
Fig. 16 is a schematic bottom structure view of the unlocking tool of the present invention;
Fig. 17 is a schematic view of the operation process of the unlocking tool of the present invention;
fig. 18 is a schematic view of the unlocking tool of the present invention for completing unlocking.
Detailed Description
the following embodiments of the present invention are specifically explained with reference to the accompanying drawings, which are used for reference and illustration only and do not limit the scope of the present invention.
As shown in fig. 1-2, the present embodiment provides a self-locking dual-core optical cable connector, which includes a front shell 1, a rear shell 4 and a tail sleeve 7, wherein two strips of tail handle ferrules 2 and two springs 3 are disposed between the front shell 1 and the rear shell 4, a crimp ring 5 and a heat shrink tube 6 are disposed between the rear shell 4 and the tail sleeve 7, and an optical cable 8 is connected from the tail sleeve 7; as shown in fig. 3-4, an oblique groove 102 is formed in the middle of the top of the front housing 1, self-locking grooves 101 are formed on two sides of the oblique groove 102, a notch 103 is formed in the top of the rear end of the front housing 1, and square holes 104 are formed in two sides of the front housing 1; the front end both sides of backshell 4 are equipped with preceding shell 1 square hole 104 matched with pothook 401 makes preceding shell 1 and backshell 4 chucking constitution integrative, is equipped with between the pothook 401 of both sides and warp space 402, the top of the middle part baffle of backshell 4 be equipped with preceding shell 1 breach 103 complex arc is protruding 403, breach 103 assembles into the joint structure with arc protruding 403.
in this embodiment, the self-locking dual-core optical cable connector of the present invention is a novel CS connector, which may be referred to as an X-CS connector.
In this embodiment, as shown in fig. 1, the front end of the ferrule with the tail handle 2 penetrates out of the front end of the front shell 1, the front end and the rear end of the spring 3 are respectively sleeved outside the rear end of the ferrule with the tail handle 2 and the front end of the rear shell 4, the front end of the crimping ring 5 is in threaded connection with the rear end of the rear shell 4, the rear end of the crimping ring 5 is connected with the heat shrinkable tube 6, the rear end of the heat shrinkable tube 6 penetrates through the tail sleeve 7, and the tail sleeve 7 is sleeved outside the front ends of the crimping ring 5 and the heat shrinkable tube 6.
As shown in fig. 5-10, the present invention further provides an assembling structure of the self-locking dual-core optical cable connector, wherein the front end of the dual-core optical cable connector is inserted into the adapter 9 or the connector socket.
In this embodiment, as shown in fig. 5 to 6, the adapter 9 includes an adapter housing 17, two adapter hooks 13, a sleeve 16, a sleeve holder 14, and a T-shaped latch 15, wherein a latch hole 1701 is formed in a middle portion of a top surface of the adapter housing 17, latch holes for latching the adapter hooks 13 are formed in front and rear end positions of the top surface of the adapter housing 17, the sleeve 16 is inserted into the sleeve holder 14, the sleeve holder 14 is assembled to an intermediate position inside the adapter housing 17, and the T-shaped latch 15 is inserted into a latch hole 1401 above a baffle of the sleeve holder 14 from the latch hole 1701, so that the sleeve holder 14 is latched and the sleeve 16 is not detached.
In this embodiment, as shown in fig. 7 to 8, the hook body of the adapter hook 13 is provided with an outer circular-arc-shaped abutment 1303, an inner circular-arc-shaped abutment 1302 and a catch 1301.
In this embodiment, the catch 1301 of the adapter hook 13 snaps into the self-locking recess 101 of the front shell 1, as shown in fig. 9-10.
As another embodiment, in another assembling structure of the self-locking dual-core optical cable connector of the present invention, the front end of the dual-core optical cable connector is inserted into a connector receptacle 90 as shown in fig. 11.
as shown in fig. 12, the present invention further provides a detaching tool for the self-locking dual-core optical cable connector, the detaching tool 10 is provided with a top plate and two side plates, outer walls of the two side plates are provided with pressing grooves 1002, inner walls of the two side plates are respectively provided with a boss 1001, as shown in fig. 13-14, the detaching tool 10 is clamped on the front shell 1 of the self-locking dual-core optical cable connector, and the bosses 1001 are in contact with the two side hooks 401 of the rear shell 4. The pressing groove 1002 serves to prevent the fingers from slipping off when the removal tool 10 is forcibly screwed.
In the present embodiment, as shown in fig. 14, the end of the ferrule 2 with the tail handle, which penetrates out of the front end of the front housing 1, is provided with a dust cap 12.
As shown in fig. 15-16, the utility model also provides a be used for take auto-lock multicore cable connector's unlocking means 11, unlocking means 11 is equipped with the bar board and is located two cardboard 1104 of bar board front end both sides, and two cardboard 1104 inner walls are equipped with the buckle, and the front end of bar board is equipped with the sharp body 1101 of slope, and the rear end of bar board is equipped with handle 1102, and the front end bottom surface of bar board still is equipped with protruding knot 1103.
in this embodiment, as shown in fig. 17-18, the inclined tip 1101 at the front end of the strip contacts the inner circular arc 1302 of the adapter hook 13, the inclined tip 1101 also cooperates with the inclined groove 102 in the middle of the top of the front housing 1, and the inclined groove 102 plays a role in guiding and positioning when the unlocking tool 11 is inserted; the tail sleeve 7 is clamped by the buckles on the inner walls of the two clamping plates 1104 on the two sides of the front end of the strip-shaped plate, and the convex buckles 1103 on the bottom surface of the strip-shaped plate are matched with the arc-shaped bulges 403 of the rear shell to fasten the optical cable connector, so that the optical cable connector can be pulled out when the unlocking tool 11 is pulled.
The working process of the unlocking tool 11 is as follows: the inclined surface of the inclined pointed body 1101 is in contact with the inner circular arc table 1302 of the adapter hook 13, when the unlocking tool 11 is pushed forward, the inclined surface of the inclined pointed body 1101 makes the inner circular arc table 1302 rotate upward, and drives the buckle 1301 of the adapter hook 13 to separate from the self-locking groove 101 of the front shell 1; the optical cable connector is fastened through plane matching of the convex fastener 1103 and the arc-shaped convex 403 of the rear shell 4; the tail sleeve 7 is clamped by the buckles on the inner walls of the two clamping plates 1104, the pull handle 1102 is pulled backwards, and the optical cable connector is pulled out to be separated from the adapter.
In the above embodiments of the present invention, the assembling process of the self-locking dual-core optical cable connector of the present invention is described as follows: as shown in fig. 9-10, the front shell 1 of one of the optical cable connectors is inserted into the socket at one end of the adapter 9, and when a "click" is heard, the latch 1301 of the adapter hook 13 is latched in the self-locking groove 101 of the front shell 1, and the adapter hook 13 latches the optical cable connector; and inserting the front shell 1 of the other optical cable connector into the socket at the other end of the adapter 9, and hearing the click sound to complete the butt joint of the two optical cable connectors, so that an optical signal can smoothly pass through. The optical cable connector of the utility model can also be inserted into the CS connector socket of the OSFP or QSFP-DD optical module and connected with the optical module.
When the optical cable connector is inserted into the adapter 9 or the CS connector socket of the optical module, since the latch 1301 of the adapter hook 13 latches the self-locking groove 101 of the front housing 1 to be self-locked, the optical cable connector cannot be pulled out, and the connection interruption caused by malicious or unintentional pulling out can be prevented, and at this time, the unlocking tool 11 is required to unlock the optical cable connector.
the utility model discloses an unlocking tool 11's use does: as shown in fig. 17-18, the unlocking tool 11 is tilted to a certain angle and inserted into the self-locking groove 101 in the front shell 1 of the optical cable connector, and the inclined surface of the tilted tip 1101 just contacts the outer circular arc 1303 of the adapter hook 13, and at this time, the latch 1301 of the adapter hook 13 is still latched in the self-locking groove 101 of the front shell 1; continuously pushing the unlocking tool 11 forwards with force, inclining the inclined surface of the pointed body 1101 to enable the inner arc platform 1302 to rotate upwards, and driving the buckle 1301 of the adapter hook 13 to be separated from the self-locking groove 101 of the front shell 1; meanwhile, as shown in fig. 18, the protrusion button 1103 catches the arc protrusion 403 of the rear case 4; meanwhile, the buckles on the inner walls of the two clamping plates 1104 clamp the tail sleeve 7, so that the unlocking tool 11 fastens the whole optical cable connector; at this time, the handle 1102 is held and pulled backwards, so that the optical cable connector can be pulled out and separated from the CS connector socket of the adapter or the optical module. After the optical cable connector is pulled out, the handle 1102 is lifted upwards, so that the buckle on the inner wall of the clamping plate 1104 is separated from the tail sleeve 7, and the optical cable connector is separated from the unlocking tool 11.
Generally, the whole transmission process of an optical link needs two optical fibers, and it is necessary to ensure that the receiving end and the transmitting end of the optical fibers are in an interconnected state, and the matching from the transmitting end to the receiving end at both ends of the optical fiber link is called polarity. Ensuring polarity accuracy is the basis for any network-transmitted data, and is particularly important in high-speed, high-density wiring environments. If the polarity is wrong, changing the polarity again is very tedious and time-consuming. The optical cable connector of the present invention allows the polarity of the optical fiber port to be switched in the field. The utility model discloses a use that extracting tool is used for polarity switching does:
as shown in fig. 13-14, the removing tool 10 is locked on the front housing 1 of the optical cable connector, as shown in fig. 14, the projection 1001 of the removing tool 10 contacts with the hook 401 of the rear housing 4, the pressing grooves 1002 at the two sides are screwed by two fingers, the hook 401 is deformed into the deformation space 402 by the pressing force of the projection 1101, and the front housing 1 can be removed by separating from the front housing 1. After the front shell 1 is disassembled, the disassembling tool 10 is taken down, the A/B polarity of the optical cable connector can be switched, and the A/B polarity switching of the optical cable connector can be completed by replacing the positions of two optical fibers with LC inserting cores and reinstalling the front shell 1.
If modify above key part, like the outward appearance, the size etc. of preceding shell 1, backshell 4, extracting tool 10, unlocking means 11, T shape bolt 15 etc., but key package assembly and the principle of part are similar with the embodiment of the utility model shows, still regard as belonging to the protection within the scope of the utility model.
The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.
Claims (10)
1. The utility model provides a take auto-lock dual core optical cable connector which characterized in that: the optical cable connector comprises a front shell, a rear shell and a tail sleeve, wherein two tail handle inserting cores and two springs are arranged between the front shell and the rear shell; an oblique groove is formed in the middle of the top of the front shell, self-locking grooves are formed in the two sides of the oblique groove, a notch is formed in the top of the rear end opening of the front shell, and square holes are formed in the two sides of the front shell; the front end of the rear shell is provided with hooks matched with the square holes of the front shell, a deformation space is arranged between the hooks on the two sides, and the top of the middle baffle of the rear shell is provided with an arc-shaped bulge matched with the notch of the front shell.
2. the connector of claim 1, wherein:
The front end of the insertion core with the tail handle penetrates out of the front end of the front shell, the front end and the rear end of the spring are respectively sleeved outside the rear end of the insertion core with the tail handle and the front end of the rear shell, the front end of the compression joint ring is in threaded connection with the rear end of the rear shell, the rear end of the compression joint ring is connected with the heat shrink tube, the rear end of the heat shrink tube penetrates through the tail sleeve, and the tail sleeve is sleeved outside the front ends of the compression joint ring and the heat shrink tube.
3. The connector of claim 2, wherein:
The end part of the insertion core with the tail handle penetrating out of the front end of the front shell is provided with a dustproof cap.
4. An assembling structure of a connector for a dual core cable with a self-lock according to claim 1, wherein: the front end of the dual core fiber optic cable connector is inserted into an adapter or connector receptacle.
5. The assembling structure of the connector with self-locking dual-core optical cable according to claim 4, wherein:
The adapter comprises an adapter shell, two adapter hooks, a sleeve fixing piece and a T-shaped bolt, wherein a bolt hole is formed in the middle of the top surface of the adapter shell, fastening holes used for fastening the adapter hooks are formed in the front end position and the rear end position of the top surface of the adapter shell, the sleeve is installed in the sleeve fixing piece, the sleeve fixing piece is assembled in the middle of the inside of the adapter shell, and the T-shaped bolt is inserted into a fastening hole above a baffle of the sleeve fixing piece from the bolt hole.
6. The assembling structure of the connector with self-locking dual-core optical cable according to claim 5, wherein:
the hook body of the adapter hook is provided with an outer circular arc table, an inner circular arc table and a buckle.
7. the assembling structure of the connector with self-locking dual-core optical cable according to claim 6, wherein:
the buckle of the adapter hook is clamped into the self-locking groove of the front shell.
8. A removal tool for the self-locking dual-core optical cable connector of claim 1, wherein: the disassembling tool is provided with a top plate and two side plates, pressing grooves are formed in the outer walls of the two side plates, bosses are respectively arranged on the inner walls of the two side plates, the disassembling tool is clamped on the front shell of the self-locking double-core optical cable connector, and the bosses are in contact with clamping hooks on the two sides of the rear shell.
9. an unlocking tool for the self-locking dual-core optical cable connector according to claim 1, wherein: the unlocking tool is provided with a strip-shaped plate and two clamping plates located on two sides of the front end of the strip-shaped plate, the inner walls of the two clamping plates are provided with buckles, the front end of the strip-shaped plate is provided with an inclined pointed body, the rear end of the strip-shaped plate is provided with a handle, and the bottom surface of the front end of the strip-shaped plate is further provided with a protruding buckle.
10. An unlocking tool with a self-locking dual-core optical cable connector according to claim 7, wherein: the inclined sharp body at the front end of the strip-shaped plate is in contact with the inner arc table of the adapter hook, the buckles of the inner walls of the two clamping plates on two sides of the front end of the strip-shaped plate clamp the tail sleeve, and the convex buckles on the bottom surface of the strip-shaped plate are matched with the arc-shaped bulges of the rear shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920189198.0U CN209784588U (en) | 2019-02-11 | 2019-02-11 | Double-core optical cable connector with self-locking function and assembling structure and disassembling and unlocking tool thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920189198.0U CN209784588U (en) | 2019-02-11 | 2019-02-11 | Double-core optical cable connector with self-locking function and assembling structure and disassembling and unlocking tool thereof |
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| Publication Number | Publication Date |
|---|---|
| CN209784588U true CN209784588U (en) | 2019-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920189198.0U Active CN209784588U (en) | 2019-02-11 | 2019-02-11 | Double-core optical cable connector with self-locking function and assembling structure and disassembling and unlocking tool thereof |
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| CN (1) | CN209784588U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110850543A (en) * | 2019-12-20 | 2020-02-28 | 四川天邑康和通信股份有限公司 | Prefabricated end-armored butterfly-shaped leading-in optical cable |
| WO2021203750A1 (en) * | 2020-04-07 | 2021-10-14 | 华为技术有限公司 | Optical cable connection device |
-
2019
- 2019-02-11 CN CN201920189198.0U patent/CN209784588U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110850543A (en) * | 2019-12-20 | 2020-02-28 | 四川天邑康和通信股份有限公司 | Prefabricated end-armored butterfly-shaped leading-in optical cable |
| WO2021203750A1 (en) * | 2020-04-07 | 2021-10-14 | 华为技术有限公司 | Optical cable connection device |
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