CN212515138U

CN212515138U - Single-mode optical fiber jumper wire

Info

Publication number: CN212515138U
Application number: CN202021538041.3U
Authority: CN
Inventors: 李达
Original assignee: Shenzhen Forlux Technology Co ltd
Current assignee: Shenzhen Forlux Technology Co ltd
Priority date: 2020-07-27
Filing date: 2020-07-27
Publication date: 2021-02-09
Anticipated expiration: 2030-07-27

Abstract

The utility model relates to an optical communication technical field discloses a single mode fiber jumper wire, including optical cable and fiber connector, fiber connector sets up the both ends at the optical cable respectively, be equipped with the optical fiber core in the optical cable, fiber connector includes the connector body, lock nut, connecting sleeve and protective sheath, the rotatable preceding tip that sets up at the connector body of lock nut, the protruding lock pin that is equipped with of preceding tip of connector body, the setting on the periphery wall of grafting portion is located to the internal perisporium detachable cover of connecting sleeve's preceding tip, the internal perisporium cover of connecting sleeve's rear end portion sets up on locating the periphery wall of optical cable, the internal perisporium cover of protective sheath sets up on locating the periphery wall of connecting sleeve and optical cable, the preceding tip of lock pin is equipped with a jack that runs through, the optical fiber core is inserted and. The technical scheme of the utility model assemble convenient and fast more, and firmly reliable, improved efficiency, improved optical transmission system's reliability and communication quality, the practicality is strong.

Description

Single-mode optical fiber jumper wire

Technical Field

The utility model relates to an optical communication technical field, in particular to single mode fiber jumper wire.

Background

The optical fiber jumper (also called optical fiber connector) is characterized in that connector plugs are arranged at two ends of an optical cable to realize movable connection of optical paths, a thicker protective layer is arranged, the optical fiber jumper is generally used for connection between an optical transceiver and a terminal box and applied to the fields of optical fiber communication systems, optical fiber access networks, optical fiber data transmission, local area networks and the like. The optical fiber connector is a device for detachable (movable) connection between optical fibers, and precisely butt-jointing two end faces of the optical fibers so as to maximally couple optical energy output by a transmitting optical fiber into a receiving optical fiber and minimize the influence on a system caused by the optical fiber connector intervening in an optical link, which is the basic requirement of the optical fiber connector. To some extent, fiber optic connectors also affect the reliability and performance of optical transmission systems.

However, the existing optical fiber patch cord has the problems of tedious assembly, time and labor waste and low efficiency, and needs further improvement.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims at providing a single mode fiber jumper wire, it is loaded down with trivial details to aim at solving the assembly of current fiber jumper wire, wastes time and energy, the technical problem of inefficiency.

In order to achieve the above object, the single-mode optical fiber jumper provided by the present invention comprises an optical cable and an optical fiber connector, wherein the optical fiber connector is respectively disposed at two ends of the optical cable, an optical fiber core is disposed in the optical cable, the optical fiber connector comprises a connector body, a lock nut, a connecting sleeve and a protective sleeve, the lock nut is rotatably disposed at a front end of the connector body, a ferrule is convexly disposed at the front end of the connector body, the front end of the ferrule extends out of the front end of the lock nut, an inner circumferential wall of the front end of the lock nut is provided with an internal thread, a rear end of the connector body is provided with an insertion portion, two ends of the optical cable are respectively embedded in the insertion portion, the inner circumferential wall of the front end of the connecting sleeve is detachably sleeved on an outer circumferential wall of the insertion portion, the inner circumferential wall of the rear end of the connecting sleeve is sleeved on the outer circumferential wall of the optical cable, the detachable cover of internal perisporium of protective sheath is located set up on the periphery wall of connecting sleeve and optical cable, the preceding tip of lock pin is equipped with a jack that runs through, just the optical fiber core bonds through epoxy glue and fixedly inserts and locates set up in the jack.

Further, the lock pin is made of ceramic materials, and the protective sleeve is made of PVC materials.

Further, the peripheral wall of lock nut is equipped with a plurality of first anti-skidding sand grips.

Furthermore, the periphery wall of grafting portion is protruding to be equipped with a plurality of second anti-skidding sand grips, just the second anti-skidding sand grip all with the internal perisporium butt setting of connecting sleeve.

Further, the outer peripheral wall of the rear end portion of the connector body is convexly provided with a limiting step and a first limiting flange at intervals, the inner peripheral wall of the locking nut is convexly provided with a second limiting flange, the second limiting flange is rotatably arranged between the limiting step and the first limiting flange, and two side walls of the second limiting flange are respectively in butt connection with the limiting step and the first limiting flange in a rotatable mode.

Further, connector body, lock nut and connecting sleeve all adopt the metallic copper material to form, just a metallic nickel layer has all been plated to connector body, lock nut and connecting sleeve's periphery wall.

Further, the length of the optical cable is 5 m.

Furthermore, the outer diameter of the ferrule is 2.5mm, and the diameter of the optical fiber core ranges from 6 micrometers to 12 micrometers.

Adopt the technical scheme of the utility model, following beneficial effect has: the technical scheme of the utility model, set up respectively at the both ends of optical cable through fiber connector, be equipped with the fiber core in the optical cable, fiber connector includes connector body, lock nut, connecting sleeve and protective sheath, lock nut is rotatable to be set up at the front end of connector body, the front end of connector body is protruding to be equipped with a lock pin, and the front end of lock pin stretches out lock nut's front end setting, the internal perisporium of lock nut's front end is equipped with the internal thread, the rear end of connector body is equipped with an inserting part, the both ends of optical cable are respectively embedded in inserting part and set up, the internal perisporium of connecting sleeve's front end is detachable to overlap and is set up on the periphery wall of inserting part, the internal perisporium of connecting sleeve's rear end is overlapped and is set up on the periphery wall of optical cable, the internal perisporium of protective, the preceding tip of lock pin is equipped with a jack that runs through, and the optical fiber core bonds through epoxy glue and fixedly inserts and locate the jack in, thereby make the assembly of optic fibre wire jumper convenient and fast more, moreover, the operation is simple, and firm reliable, the efficiency is improved, and the pottery lock pin can reduce the back reflection, lock on the adapter through lock nut, make the connection between optical fiber connector and the adapter more firm, and can the dust proof, effectively avoid the coupling of dust and greasy dirt harm optical fiber core, the reliability and the communication quality of optical transmission system have been improved, therefore, the clothes hanger is strong in practicability.

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 description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic view of an overall structure of a single-mode optical fiber patch cord according to an embodiment of the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

fig. 3 is a schematic view of an overall structure of an optical fiber connector of a single-mode optical fiber patch cord according to an embodiment of the present invention;

fig. 4 is a schematic overall structure diagram of another view angle of an optical fiber connector of a single-mode optical fiber patch cord according to an embodiment of the present invention;

fig. 5 is an exploded schematic view of an optical fiber connector of a single mode optical fiber patch cord according to an embodiment of the present invention;

fig. 6 is another exploded schematic view of an optical fiber connector of a single mode optical fiber patch cord according to an embodiment of the present invention.

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a single mode fiber jumper wire.

As shown in fig. 1 to 6, in an embodiment of the present invention, the single-mode optical fiber patch cord includes an optical cable 100 and an optical fiber connector 200, the optical fiber connector 200 is respectively disposed at two ends of the optical cable 100, an optical fiber core (not shown) is disposed in the optical cable 100, the optical fiber connector 200 includes a connector body 201, a locking nut 202, a connecting sleeve 203 and a protective sleeve 204, the locking nut 202 is rotatably disposed at a front end portion of the connector body 201, a ferrule 205 is convexly disposed at the front end portion of the connector body 201, a front end portion of the ferrule 205 extends out of the front end portion of the locking nut 202, an inner circumferential wall of the front end portion of the locking nut 202 is provided with an internal thread, a plug portion 206 is disposed at a rear end portion of the connector body 201, two ends of the optical cable 100 are respectively embedded in the plug portion 206, the inner circumferential wall of the front end portion of the connecting sleeve 203 is detachably sleeved on an outer circumferential wall of the plug portion 206, the internal perisporium cover of the rear end of connecting sleeve 203 is located set up on the periphery wall of optical cable 100, the internal perisporium detachable cover of protective sheath 204 is located set up on the periphery wall of connecting sleeve 203 and optical cable 100, the preceding tip of lock pin 205 is equipped with a jack 207 that runs through, just the optical fiber core passes through epoxy glue and bonds fixed the inserting and locate set up in the jack 207.

Specifically, the ferrule 205 is made of ceramic, and the protective sleeve 204 is made of PVC, the ceramic can be well combined with the optical fiber core, and the coefficient of expansion of the ceramic is close to that of the optical fiber core, so that the environment of the optical fiber core is very stable, and the back reflection of the ferrule can be reduced, so that the optical fiber connector has very small back reflection, and the end face alignment of the optical fiber core is ensured.

Specifically, the outer peripheral wall of the lock nut 202 is provided with a plurality of first anti-slip beads 2021.

Specifically, a plurality of second anti-slip ribs (not shown) are protruded from the outer peripheral wall of the insertion portion 206, and the second anti-slip ribs are all disposed in contact with the inner peripheral wall of the connection sleeve 203.

Specifically, the protruding spacing step 2011 and the first limit flange 2012 that are equipped with of periphery wall interval of the rear end portion of connector body 201, the protruding second limit flange 2022 that is equipped with of internal perisporium of lock nut 202, the rotatable setting of second limit flange 2022 is in between limit step 2011 and the first limit flange 2012, just the both sides wall of second limit flange 1022 respectively with the rotatable butt setting of limit step 2011 and first limit flange 2012.

Specifically, the connector body 201, the lock nut 202 and the connecting sleeve 203 are all formed by using a metal copper material, and the peripheral walls of the connector body 201, the lock nut 202 and the connecting sleeve 203 are all plated with a metal nickel layer.

Specifically, the optical cable 100 has a length of 5 m.

Specifically, the outer diameter of the ferrule 205 is 2.5mm, and the diameter of the optical fiber core ranges from 6 μm to 12 μm.

Specifically, the utility model discloses an optical fiber connector sets up respectively at the both ends of optical cable, be equipped with the fiber core in the optical cable, fiber connector includes the connector body, lock nut, connecting sleeve and protective sheath, lock nut is rotatable to be set up at the front end of connector body, the front end of connector body is protruding to be equipped with a lock pin, and the front end of lock pin stretches out lock nut's front end setting, the internal perisporium of lock nut's front end is equipped with the internal thread, the rear end of connector body is equipped with an inserting part, the both ends of optical cable are inlayed respectively and are set up in the inserting part, the internal perisporium detachable cover of connecting sleeve's front end sets up on the periphery wall of inserting part, the internal perisporium cover of connecting sleeve's rear end sets up on the periphery wall of optical cable, the internal perisporium detachable cover of protective sheath sets up on the periphery wall of connecting sleeve and, and the optical fiber core is fixedly inserted into the jack through the bonding of the epoxy glue, so that the assembly of the optical fiber jumper is more convenient and faster, the operation is simple, the assembly is firm and reliable, the efficiency is improved, the back reflection of the ceramic ferrule can be reduced, the optical fiber jumper is locked on the adapter through the locking nut, the connection between the optical fiber connector and the adapter is firmer, the dust can be prevented, the coupling of the optical fiber core is effectively prevented from being damaged by dust and oil stains, the reliability and the communication quality of an optical transmission system are improved, and the practicability is strong.

The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.

Claims

1. A single-mode optical fiber jumper wire is characterized by comprising an optical cable and an optical fiber connector, wherein the optical fiber connector is respectively arranged at two ends of the optical cable, an optical fiber core is arranged in the optical cable, the optical fiber connector comprises a connector body, a locking nut, a connecting sleeve and a protective sleeve, the locking nut is rotatably arranged at the front end part of the connector body, a ferrule is convexly arranged at the front end part of the connector body, the front end part of the ferrule extends out of the front end part of the locking nut, an inner peripheral wall of the front end part of the locking nut is provided with an internal thread, a plugging part is arranged at the rear end part of the connector body, two ends of the optical cable are respectively embedded in the plugging part, the inner peripheral wall of the front end part of the connecting sleeve is detachably sleeved on the outer peripheral wall of the plugging part, and the inner peripheral wall of the rear end part of the connecting sleeve is sleeved on the outer peripheral wall, the detachable cover of internal perisporium of protective sheath is located set up on the periphery wall of connecting sleeve and optical cable, the preceding tip of lock pin is equipped with a jack that runs through, just the optical fiber core bonds through epoxy glue and fixedly inserts and locates set up in the jack.

2. The single-mode optical fiber jumper of claim 1, wherein the ferrule is formed of a ceramic material and the protective sleeve is formed of a PVC material.

3. The single mode optical fiber jumper of claim 1, wherein the peripheral wall of the locknut is provided with a plurality of first anti-slip ribs.

4. The single-mode optical fiber jumper wire of claim 1, wherein a plurality of second anti-slip ribs are convexly arranged on the outer peripheral wall of the insertion part, and the second anti-slip ribs are arranged in an abutting mode with the inner peripheral wall of the connecting sleeve.

5. The single-mode optical fiber jumper wire of claim 1, wherein the outer peripheral wall of the rear end portion of the connector body is convexly provided with a spacing step and a first spacing flange at intervals, the inner peripheral wall of the locking nut is convexly provided with a second spacing flange, the second spacing flange is rotatably arranged between the spacing step and the first spacing flange, and two side walls of the second spacing flange are respectively rotatably abutted with the spacing step and the first spacing flange.

6. The single-mode optical fiber jumper of claim 1, wherein the connector body, the locknut, and the connection sleeve are all formed of metallic copper material, and peripheral walls of the connector body, the locknut, and the connection sleeve are all plated with a metallic nickel layer.

7. The single mode optical fiber patch cord of claim 1, wherein the optical cable has a length of 5 m.

8. The single mode fiber jumper of claim 1, wherein the ferrule has an outer diameter of 2.5mm and the fiber core has a diameter in the range of 6-12 μm.