CN211856993U - Module type two-piece structure prefabricated optical cable - Google Patents
Module type two-piece structure prefabricated optical cable Download PDFInfo
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- CN211856993U CN211856993U CN202020728839.8U CN202020728839U CN211856993U CN 211856993 U CN211856993 U CN 211856993U CN 202020728839 U CN202020728839 U CN 202020728839U CN 211856993 U CN211856993 U CN 211856993U
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Abstract
The invention discloses a modular two-piece structure prefabricated optical cable, which relates to the technical field of optical fiber connection and comprises a first modular prefabricated optical cable socket component and a second modular prefabricated optical cable plug component; the first module type prefabricated optical cable socket component comprises a socket shell and a rectangular male plug core body of the MPO/MTP optical fiber movable connector; the second module type prefabricated optical cable plug component comprises a plug shell and a rectangular female plug core body of the MPO/MTP optical fiber movable connector; the inner side wall of the socket shell is provided with a convex key; the plug shell is provided with a groove; the convex key and the groove are in matched clamping connection, and the socket shell is connected with the plug shell through the convex key and the groove which are in matched clamping connection; the MPO/MTP optical fiber movable connector rectangular male plug core body and the MPO/MTP optical fiber movable connector rectangular female plug core body are connected through the inserted guide pins and the guide pin holes so as to realize the connection of the pigtail cable and the optical cable. The device provided by the invention can realize accurate and quick connection of optical fibers.
Description
Technical Field
The invention relates to the technical field of optical fiber connection, in particular to a modular two-piece structure prefabricated optical cable.
Background
At present, conventional optical fiber connection mode is that optical fiber strips off behind the oversheath, carries out the primary processing to optical fiber through special cutterbar, passes through optical fiber splicer to two optical fibers through the primary processing and in the optical fiber terminal surface department heating fusion, and insertion loss detection, return loss detection are done to optical fiber after the butt fusion is accomplished, if detect unqualifiedly, then need cutting again, butt fusion, test, until qualified.
The conventional optical fiber connection mode is time-consuming and labor-consuming, has high technical requirements on site construction personnel, has long construction period, is difficult to ensure the welding quality of a construction site, and is difficult to ensure the consistency of the transmission loss of the multi-core optical fiber.
Disclosure of Invention
The invention aims to provide a modular two-piece structure prefabricated optical cable to realize accurate and quick connection of optical fibers.
In order to achieve the purpose, the invention provides the following scheme:
a module type prefabricated optical cable with two-piece structure comprises a first module type prefabricated optical cable socket component and a second module type prefabricated optical cable plug component;
the first module type pre-engineered fiber optic cable jack assembly includes a jack housing; the second modular type pre-engineered fiber optic cable plug assembly includes a plug housing; the inner side wall of the socket shell is provided with a convex key; the plug shell is provided with a groove; the convex key is matched and clamped with the groove, and the socket shell is connected with the plug shell through the convex key and the groove which are matched and clamped;
the first module type prefabricated optical cable socket assembly also comprises an MPO/MTP optical fiber movable connector rectangular male plug core body, and the MPO/MTP optical fiber movable connector rectangular male plug core body is arranged in the socket shell; one end of the rectangular male plug core body of the MPO/MTP optical fiber movable connector is provided with a guide pin, and the other end of the rectangular male plug core body of the MPO/MTP optical fiber movable connector is connected with a tail cable;
the second module type prefabricated optical cable plug assembly also comprises a rectangular female plug core body of an MPO/MTP optical fiber movable connector, and the rectangular female plug core body of the MPO/MTP optical fiber movable connector is arranged in the plug shell; one end of the rectangular female plug core body of the MPO/MTP optical fiber movable connector is provided with a guide pin hole; the other end of the rectangular female plug core body of the MPO/MTP optical fiber movable connector is connected with an optical cable; the guide needle is inserted into the guide needle hole; the rectangular male plug core body of the MPO/MTP optical fiber movable connector and the rectangular female plug core body of the MPO/MTP optical fiber movable connector are plugged through the plugged guide pins and the guide pin holes so as to realize the connection of the pigtail cable and the optical cable.
Optionally, the first module-type prefabricated optical cable socket assembly further includes a first sealing element, the first sealing element is disposed on an outer side of the rectangular male plug core body of the MPO/MTP optical fiber connector, and the first sealing element is used for isolating the rectangular male plug core body of the MPO/MTP optical fiber connector from the outside.
Optionally, the first module-type prefabricated optical cable jack assembly further includes a first limiting member and a first fixing member, the first limiting member is half embedded in the jack housing and is located at a side far from the second module-type prefabricated optical cable jack assembly; the inner side wall of the first limiting part is in contact with the tail cable, and the first fixing part is installed on the outer side wall of the first limiting part and is in contact with the outer side wall of the socket shell. One end of the first limiting piece is fixed through the socket shell; the other end of the first limiting part is fixed through the first fixing part.
Optionally, the second module-type prefabricated optical cable plug assembly further includes a second sealing element, the second sealing element is disposed on an outer side of the rectangular female plug core body of the MPO/MTP optical fiber connector, and the second sealing element is used for isolating the rectangular female plug core body of the MPO/MTP optical fiber connector from the outside.
Optionally, the second module-type prefabricated optical cable plug assembly further includes a second limiting member and a second fixing member; the second locating part is embedded into the plug housing and located on one side far away from the first module type prefabricated optical cable socket assembly, the inner side wall of the second locating part is in contact with the optical cable, and the second fixing part is installed on the outer side wall of the second locating part and in contact with the outer side wall of the plug housing. One end of the second limiting part is fixed through the plug shell, and the other end of the second limiting part is fixed through the second fixing part.
Optionally, the plug housing comprises a plug ferrule; one or more grooves are formed in the plug ferrule.
Optionally, the plug housing comprises a connection ring; the connecting ring is arranged on the outer side wall of the plug ferrule and close to the groove; the connection ring is connected with the socket housing through a snap type or a screw type.
According to the specific embodiment provided by the invention, the invention discloses the following technical effects:
the invention provides a modular two-piece structure prefabricated optical cable, which is characterized in that a plug shell is connected with a socket shell, a rectangular male plug core body of an MPO/MTP optical fiber movable connector is connected with a rectangular female plug core body of the MPO/MTP optical fiber movable connector, so that the connection of optical fibers of a first modular prefabricated optical cable socket assembly and a second modular prefabricated optical cable plug assembly is realized, and the accurate connection of the optical fibers is realized through the matching of a groove and a convex key. Through the grafting in direction needle and guide pin hole, further realize the accurate connection of optic fibre.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a schematic structural diagram of a modular two-piece structure prefabricated optical cable according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a first modular type prefabricated cable jack assembly for a modular type two-piece structure prefabricated cable according to an embodiment of the present invention;
fig. 3 is a schematic view of a second modular-type pre-engineered fiber optic cable plug assembly for a modular-type two-piece pre-engineered fiber optic cable according to an embodiment of the present invention.
Description of the symbols:
1-first module type prefabricated optical cable socket component, 1.1-socket shell, 1.2-MPO/MTP optical fiber movable connector rectangular male plug core body, 1.2.1-guide pin, 1.3-first limiting piece, 1.4-first fixing piece, 1.5-first sealing piece, 1.6-tail cable, 1.7-optical fiber movable connector, 1.8-socket sealing cover, 2-second module type prefabricated optical cable plug component, 2.1-plug shell, 2.1.1-plug inserting core, 2.1.2-connecting ring, 2.2-MPO/MTP optical fiber movable connector rectangular female plug core body, 2.2.1-guide pin hole, 2.3-second limiting piece, 2.4-second fixing piece, 2.5-second sealing piece, 2.6-optical cable and 2.7-plug sealing cover.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide a modular two-piece structure prefabricated optical cable to realize accurate and quick connection of optical fibers.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
As shown in fig. 1 and 2, the present invention provides a modular type two-piece structure prefabricated optical cable, including a first modular type prefabricated optical cable jack assembly 1 and a second modular type prefabricated optical cable plug assembly 2; the first module type pre-fabricated fiber optic cable jack assembly 1 includes a jack housing 1.1; the second module type pre-cast optical cable plug assembly 2 comprises a plug housing 2.1; a convex key is arranged on the inner side wall of the socket shell 1.1; a groove is arranged on the plug shell 2.1; the convex key with the recess matches the joint, socket housing 1.1 with plug housing 2.1 through matching the joint the convex key with groove connection. Wherein, the convex key is provided with one or more. The second modular type pre-cast cable plug assembly 2 is a single-ended pre-cast or double-ended pre-cast cable plug assembly.
The first module type prefabricated optical cable socket assembly 1 further comprises an MPO/MTP optical fiber movable connector rectangular male plug core body 1.2, and the MPO/MTP optical fiber movable connector rectangular male plug core body 1.2 is arranged in the socket shell 1.1; one end of the rectangular male plug core body 1.2 of the MPO/MTP optical fiber movable connector is provided with a guide needle 1.2.1, and the other end of the rectangular male plug core body 1.2 of the MPO/MTP optical fiber movable connector is connected with a tail cable 1.6. One or more rectangular male plug core bodies 1.2 of the MPO/MTP optical fiber movable connector are arranged.
The first module type prefabricated optical cable socket assembly 1 further comprises a first sealing element 1.5, the first sealing element 1.5 is arranged on the outer side of the MPO/MTP optical fiber movable connector rectangular male plug core body 1.2, the first sealing element 1.5 is used for isolating the MPO/MTP optical fiber movable connector rectangular male plug core body 1.2 from the outside, and the first sealing element 1.5 plays a role in preventing dust, water and foreign matter from invading.
The first module type prefabricated optical cable socket component 1 further comprises a first limiting part 1.3 and a first fixing part 1.4, wherein the first limiting part 1.3 is half embedded in the socket shell 1.1 and is positioned at one side far away from the second module type prefabricated optical cable plug component 2; the inside wall of first locating part 1.3 with the tail cable 1.6 contact, first mounting 1.4 install on the outside wall of first locating part 1.3, and with the lateral wall contact of socket shell 1.1. One end of the first limiting piece 1.3 is fixed through the socket shell 1.1; the other end of the first limiting part 1.3 is fixed through the first fixing part 1.4. Namely, one end of the first limiting member 1.3 is positioned by the socket housing 1.1, and the other end is positioned by the first fixing member 1.4. Wherein, the first locating part 1.3 is provided with one or more.
The first module type prefabricated optical cable jack assembly 1 further comprises a fiber optic movable connector. The optical fiber movable connector 1.7 is connected with the MPO/MTP optical fiber movable connector rectangular male plug core body 1.2 through a tail cable 1.6. Namely, one end of the tail cable 1.6 is connected with the MPO/MTP optical fiber movable connector rectangular male plug core body 1.2, and the other end of the tail cable 1.6 is connected with the optical fiber movable connector 1.7. The fibre optic active connector 1.7 is made up of a combination of one or more LC, DLC, 4LC, ST, SC, FC fibre optic active connectors 1.7.
The socket shell 1.1, the first fixing piece 1.4 and the first limiting piece 1.3 form a first channel, and the pigtail cable 1.6 and the rectangular male plug core body of the MPO/MTP optical fiber movable connector are positioned in the first channel.
The socket housing 1.1 of the first module type prefabricated optical cable socket assembly 1 further includes a socket sealing cover 1.8, and the socket sealing cover 1.8 is used for preventing dust, water and foreign matters from entering the socket housing 1.1.
As shown in fig. 2 and 3, the second module type prefabricated optical cable plug assembly 2 further includes an MPO/MTP optical fiber movable connector rectangular female plug body 2.2, and the MPO/MTP optical fiber movable connector rectangular female plug body 2.2 is disposed in the plug housing 2.1; one end of the rectangular female plug core body 2.2 of the MPO/MTP optical fiber movable connector is provided with a guide pin hole 2.2.1; the other end of the rectangular female plug core body 2.2 of the MPO/MTP optical fiber movable connector is connected with an optical cable 2.6. One or more rectangular female plug core bodies 2.2 of the MPO/MTP optical fiber movable connector are arranged. The cable 2.6 is a metal-clad cable or a non-metal-clad cable.
The guide needle 1.2.1 is inserted into the guide needle hole 2.2.1; the MPO/MTP optical fiber movable connector rectangular male plug core body 1.2 and the MPO/MTP optical fiber movable connector rectangular female plug core body 2.2 are spliced through the spliced guide pin 1.2.1 and the spliced guide pin hole 2.2.1 to realize the connection of the pigtail cable 1.6 and the optical cable 2.6.
The second module type prefabricated optical cable plug assembly 2 further comprises a second sealing element 2.5, the second sealing element 2.5 is arranged on the outer side of the rectangular female plug core body 2.2 of the MPO/MTP optical fiber movable connector, and the second sealing element 2.5 is used for isolating the rectangular female plug core body 2.2 of the MPO/MTP optical fiber movable connector from the outside. The second seal 2.5 serves to protect against dust, water and foreign matter.
The second module type prefabricated optical cable plug component 2 further comprises a second limiting piece 2.3 and a second fixing piece 2.4; the second limiting part 2.3 is embedded in the plug housing 2.1 and located far away from one side of the first module type prefabricated optical cable socket assembly 1, the inner side wall of the second limiting part 2.3 is in contact with the optical cable 2.6, and the second fixing part 2.4 is installed on the outer side wall of the second limiting part 2.3 and is in contact with the outer side wall of the plug housing 2.1. One end of the second limiting part 2.3 is fixed through the plug housing 2.1, and the other end of the second limiting part 2.3 is fixed through the second fixing part 2.4. Wherein, the second locating part 2.3 is provided with one or more.
The plug shell 2.1 comprises a plug ferrule 2.1.1; one or more grooves are arranged on the plug ferrule 2.1.1; one or more grooves arranged on the wall of the plug core are matched with one or more convex keys arranged on the inner side wall of the socket shell 1.1. One end of the second limiting member 2.3 is positioned by the plug core insert 2.1.1, and the other end of the second limiting member 2.3 is positioned by the second fixing member 2.4. The plug housing 2.1 comprises a connection ring 2.1.2; the connecting ring 2.1.2 is arranged on the outer side wall of the plug ferrule 2.1.1 and close to the groove; the connection ring 2.1.2 is connected to the socket housing 1.1 by means of a snap-on or screw-on connection. The plug housing 2.1 further comprises a plug gland 2.7. The plug gland 2.7 is intended to be dust-proof, water-proof and resistant to the ingress of foreign bodies.
The plug housing 2.1, the second fixing piece 2.4 and the second limiting piece 2.3 form a second channel, and the optical cable 2.6 and the rectangular female plug core body 2.2 of the MPO/MTP optical fiber movable connector are located in the second channel. The first channel and the second channel are communicated to form a connecting channel.
The socket shell of the first module type prefabricated optical cable socket assembly is matched with the plug shell of the second module type prefabricated optical cable plug assembly through one or more convex key grooves, so that the bayonet connection or the threaded connection position is accurate, meanwhile, a pair of guide pins on an MPO/MTP optical fiber movable connector rectangular male plug core body module arranged inside the socket shell of the first module type prefabricated optical cable socket assembly is further guided to be in intersection accurate butt joint with a pair of guide pin holes on an MPO/MTP optical fiber movable connector rectangular female plug core body module arranged inside the plug shell of the second module type prefabricated optical cable plug assembly, and after the guide pins are in butt joint with the guide pin holes, the optical fiber end faces of the first module type prefabricated optical cable socket assembly and the second module type prefabricated optical cable plug assembly are ensured to be in accurate butt joint. The socket shell of the first module type prefabricated optical cable socket component is directly connected with the plug shell of the second module type prefabricated optical cable plug component in a bayonet form or a threaded form to realize an optical transmission link, so that the modular type two-piece structure prefabricated optical cable can be used in a plug-and-play manner, and multi-core optical fibers in the optical cable are not required to be welded.
The invention provides a modular two-piece structure prefabricated optical cable, wherein a first modular prefabricated optical cable socket component and a second modular prefabricated optical cable plug component are connected with a socket shell through a plug shell, an optical transmission link is realized in a formed connecting body, and the splicing-free plug-and-play quick connection of optical fibers is realized. The modular two-piece structure prefabricated optical cable provided by the invention has the following advantages: plug-and-play, so that the construction period and the labor cost are saved; secondly, the plug quality is reliable, the insertion loss is low, and the return loss is high; and thirdly, the working strength and the professional technical requirements on operators are reduced.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The principles and embodiments of the present invention have been described herein using specific examples, which are provided only to help understand the method and the core concept of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (7)
1. A module type prefabricated optical cable with two-piece structure is characterized by comprising a first module type prefabricated optical cable socket component and a second module type prefabricated optical cable plug component;
the first module type pre-engineered fiber optic cable jack assembly includes a jack housing; the second modular type pre-engineered fiber optic cable plug assembly includes a plug housing; the inner side wall of the socket shell is provided with a convex key; the plug shell is provided with a groove; the convex key is matched and clamped with the groove, and the socket shell is connected with the plug shell through the convex key and the groove which are matched and clamped;
the first module type prefabricated optical cable socket assembly also comprises an MPO/MTP optical fiber movable connector rectangular male plug core body, and the MPO/MTP optical fiber movable connector rectangular male plug core body is arranged in the socket shell; one end of the rectangular male plug core body of the MPO/MTP optical fiber movable connector is provided with a guide pin, and the other end of the rectangular male plug core body of the MPO/MTP optical fiber movable connector is connected with a tail cable;
the second module type prefabricated optical cable plug assembly also comprises a rectangular female plug core body of an MPO/MTP optical fiber movable connector, and the rectangular female plug core body of the MPO/MTP optical fiber movable connector is arranged in the plug shell; one end of the rectangular female plug core body of the MPO/MTP optical fiber movable connector is provided with a guide pin hole; the other end of the rectangular female plug core body of the MPO/MTP optical fiber movable connector is connected with an optical cable; the guide needle is inserted into the guide needle hole; the rectangular male plug core body of the MPO/MTP optical fiber movable connector and the rectangular female plug core body of the MPO/MTP optical fiber movable connector are connected through the inserted guide pins and the guide pin holes so as to realize the connection of the pigtail cable and the optical cable.
2. The modular two-piece structure pre-engineered fiber optic cable of claim 1, wherein the first modular type pre-engineered fiber optic receptacle assembly further comprises a first sealing member disposed outside the rectangular male plug body of the MPO/MTP fiber optic connectors, the first sealing member being configured to isolate the rectangular male plug body of the MPO/MTP fiber optic connectors from the outside.
3. The modular two-piece structure prefabricated optical cable of claim 1, wherein the first modular type prefabricated optical cable jack assembly further comprises a first retaining member and a first retaining member, said first retaining member being semi-embedded within said jack housing and located on a side remote from said second modular type prefabricated optical cable plug assembly; the inner side wall of the first limiting piece is in contact with the tail cable, and the first fixing piece is installed on the outer side wall of the first limiting piece and is in contact with the outer side wall of the socket shell; one end of the first limiting piece is fixed through the socket shell; the other end of the first limiting part is fixed through the first fixing part.
4. The modular two-piece structure pre-engineered optical cable of claim 1, wherein the second modular type pre-engineered optical cable plug assembly further comprises a second sealing member disposed outside the rectangular female plug body of the MPO/MTP fiber optic connectors, the second sealing member being configured to isolate the rectangular female plug body of the MPO/MTP fiber optic connectors from the outside.
5. The modular two-piece structure prefabricated optical cable of claim 1, wherein said second modular type prefabricated optical cable plug assembly further comprises a second limiting member and a second fixing member; the second limiting part is half embedded in the plug shell and is positioned on one side far away from the first module type prefabricated optical cable socket component, the inner side wall of the second limiting part is in contact with the optical cable, and the second fixing part is installed on the outer side wall of the second limiting part and is in contact with the outer side wall of the plug shell; one end of the second limiting part is fixed through the plug shell, and the other end of the second limiting part is fixed through the second fixing part.
6. A modular two-piece structural pre-engineered optical cable as in claim 1, wherein the plug housing includes a plug ferrule; one or more grooves are formed in the plug ferrule.
7. The modular two-piece structural pre-engineered fiber optic cable of claim 6, wherein the plug housing includes a connector ring; the connecting ring is arranged on the outer side wall of the plug ferrule and close to the groove; the connection ring is connected with the socket housing through a snap type or a screw type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020728839.8U CN211856993U (en) | 2020-05-07 | 2020-05-07 | Module type two-piece structure prefabricated optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020728839.8U CN211856993U (en) | 2020-05-07 | 2020-05-07 | Module type two-piece structure prefabricated optical cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211856993U true CN211856993U (en) | 2020-11-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020728839.8U Active CN211856993U (en) | 2020-05-07 | 2020-05-07 | Module type two-piece structure prefabricated optical cable |
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| Country | Link |
|---|---|
| CN (1) | CN211856993U (en) |
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- 2020-05-07 CN CN202020728839.8U patent/CN211856993U/en active Active
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