CN219065794U

CN219065794U - Bending-resistant MPO communication optical fiber jumper wire

Info

Publication number: CN219065794U
Application number: CN202222791488.7U
Authority: CN
Inventors: 崔强; 刘丽彬
Original assignee: Shenzhen Lianjiaxin Communication Technology Co ltd
Current assignee: Shenzhen Lianjiaxin Communication Technology Co ltd
Priority date: 2022-10-21
Filing date: 2022-10-21
Publication date: 2023-05-23
Anticipated expiration: 2032-10-21

Abstract

The utility model relates to the technical field of MPO (fiber optical) communication optical fiber jumpers, in particular to a bending-resistant MPO communication optical fiber jumpers, which comprises a wire core, wherein a protection mechanism is fixed on the outer side of the wire core, connectors are symmetrically fixed at two ends of the protection mechanism, and a bending-resistant mechanism is fixed between the inner end surface of each connector and the outer side of the protection mechanism. The anti-bending, insulating, wear-resisting, flame-retardant and anti-interference purpose can be reached, the junction parcel of protection machanism and joint has lag, metal cover, rubber cover and solid fixed ring, the rubber cover has certain extension and rebound ability, the junction of protection machanism and joint is convenient nimble crooked and protected well, avoid protection machanism and joint's junction to break because of excessive bending, first insulating layer and second insulating layer can play insulating effect, the wearing layer is more wear-resisting, durable, flame retardant layer can effectively postpone the spreading of flame, the tinfoil layer interference killing feature is strong, the convenient sinle silk that protects comprehensively.

Description

Bending-resistant MPO communication optical fiber jumper wire

Technical Field

The utility model relates to the technical field of MPO communication optical fiber jumpers, in particular to a bending-resistant MPO communication optical fiber jumper.

Background

The communication industry is taken as the national informatization construction basic industry, plays a significant role in the market economy of China, the China communication industry actively tramples the national strategy of networks, the digital transformation of society is strongly supported, along with the increase of the bandwidth demand, the communication industry starts to develop to networks with higher optical fiber density, the MPO optical fiber jumper wire consists of an MPO connector and an optical cable, wherein the MPO connector is a high-density multi-optical fiber connector, the MPO connector is molded in an MT contact pin by using a precise die, and the optical fiber type is usually OM3 multimode optical fibers or OM4 multimode optical fibers.

The prior patent (publication number: CN 213957681U) discloses an MPO optical fiber jumper wire, which comprises a shell, a core insert, an optical fiber bundle and an optical fiber fixing block; the ferrule is provided with a first end and a second end which are opposite, and an optical fiber hole group formed by a plurality of optical fiber holes penetrating through the second end from the first end is arranged in the ferrule; and the ferrule is provided with a fixing hole matched with the optical fiber fixing block. The inventor finds that the connecting part of the wire and the joint on the existing cable mechanism is easy to break if being bent excessively in the process of realizing the utility model, so that the whole device is damaged, and the protection effect is poor.

Disclosure of Invention

The utility model aims to provide a bending-resistant MPO communication optical fiber jumper wire, so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a bending-resistant MPO communication optical fiber jumper wire, includes the sinle silk, the outside of sinle silk is fixed with protection machanism, protection machanism's both ends symmetry is fixed with the joint, be fixed with bending-resistant mechanism between the interior terminal surface of joint and protection machanism's the outside.

Preferably, the protection mechanism comprises a first insulating layer, the first insulating layer is wrapped on the outer side of the wire core, and the outer side of the first insulating layer is wrapped with a tin paper layer.

Preferably, a flame retardant layer is fixed on the outer side of the tin paper layer, and a second insulating layer is fixed on the outer side of the flame retardant layer.

Preferably, a wear-resistant layer is fixed on the outer side of the second insulating layer.

Preferably, the number of the wire cores is seven, and six of the wire cores are circumferentially and uniformly distributed on the outer side of the remaining one wire core.

Preferably, the bending-resistant mechanism comprises a protective sleeve, the protective sleeve is fixed on the inner end face of the joint, a metal sleeve is fixed on the inner end face of the protective sleeve, a rubber sleeve is fixed on the inner end face of the metal sleeve, a fixing ring is fixed on the inner end face of the rubber sleeve, and the fixing ring is fixed on the outer side of the wear-resistant layer.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the purpose of bending resistance can be achieved by the mutual matching of the protection mechanism, the connector, the protection sleeve, the metal sleeve, the rubber sleeve and the fixing ring, wherein the protection sleeve, the metal sleeve, the rubber sleeve and the fixing ring are wrapped at the joint of the protection mechanism and the connector, the rubber sleeve has certain stretching and rebound capabilities, the joint of the protection mechanism and the connector is convenient and flexible to bend and is protected, and the joint of the protection mechanism and the connector is prevented from being broken due to excessive bending.

2. According to the utility model, through the mutual matching of the wire core, the first insulating layer, the tin paper layer, the flame retardant layer, the second insulating layer and the wear-resistant layer, the purposes of insulation, wear resistance, flame retardance and interference resistance can be achieved, the first insulating layer and the second insulating layer can play an insulating role, the wear-resistant layer is wear-resistant and durable, the flame retardant layer can effectively delay the spreading of flame, the tin paper layer has strong interference resistance, and the wire core is conveniently and comprehensively protected.

Drawings

FIG. 1 is a schematic cross-sectional elevation view of the present utility model;

FIG. 2 is a schematic diagram of the front view of the present utility model;

FIG. 3 is a schematic diagram of a cable mechanism according to the present utility model;

FIG. 4 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;

fig. 5 is a schematic structural view of a metal sleeve according to the present utility model.

In the figure: 1. a wire core; 2. a protective mechanism; 201. a first insulating layer; 202. a tin paper layer; 203. a flame retardant layer; 204. a second insulating layer; 205. a wear-resistant layer; 3. a joint; 4. a bending-resistant mechanism; 401. a protective sleeve; 402. a metal sleeve; 403. a rubber sleeve; 404. and a fixing ring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which are obtained by a worker of ordinary skill in the art without creative efforts, are within the protection scope of the present utility model based on the embodiments of the present utility model.

Referring to fig. 1 to 5, the present utility model provides a technical solution: the utility model provides a bending-resistant MPO communication optical fiber jumper wire, includes sinle silk 1, and the outside of sinle silk 1 is fixed with protection machanism 2, and protection machanism 2's both ends symmetry is fixed with connects 3, is fixed with bending-resistant mechanism 4 between the interior terminal surface of connecting 3 and protection machanism 2's the outside.

In this embodiment, as shown in fig. 1 and 3, the protection mechanism 2 includes a first insulating layer 201, and the first insulating layer 201 is wrapped on the outer side of the wire core 1, the outer side of the first insulating layer 201 is wrapped with a tinfoil layer 202, and the first insulating layer 201 has an insulating property, and the tinfoil layer 202 has a certain capability of blocking electromagnetic wave radiation and strong anti-interference capability.

In this embodiment, as shown in fig. 1 and 3, a flame retardant layer 203 is fixed on the outer side of a tin paper layer 202, and a second insulating layer 204 is fixed on the outer side of the flame retardant layer 203, so that the flame retardant effect of the flame retardant layer 203 is good, and the second insulating layer 204 has an insulating property, so that the wire core 1 is well protected.

In this embodiment, as shown in fig. 1, 2 and 3, the wear-resistant layer 205 is fixed on the outer side of the second insulating layer 204, and the wear-resistant layer 205 is wear-resistant and durable.

In this embodiment, as shown in fig. 1 and 3, the number of the wire cores 1 is seven, and six of the wire cores 1 are circumferentially and uniformly distributed on the outer side of the remaining one wire core 1, and six of the wire cores 1 circumferentially and uniformly distributed are surrounded on the outer side of the remaining one wire core 1, so that the wiring effect is more orderly.

In this embodiment, as shown in fig. 1, fig. 2, fig. 4 and fig. 5, the bending-resistant mechanism 4 includes a protecting sleeve 401, the protecting sleeve 401 is fixed on the inner end surface of the joint 3, the inner end surface of the protecting sleeve 401 is fixed with a metal sleeve 402, the inner end surface of the metal sleeve 402 is fixed with a rubber sleeve 403, the inner end surface of the rubber sleeve 403 is fixed with a fixing ring 404, the fixing ring 404 is fixed on the outer side of the wear-resistant layer 205, the protecting sleeve 401 plays a role in protecting the joint of the protecting mechanism 2 and the joint 3, the inner wall of the metal sleeve 402 is arc-shaped, the joint of the protecting mechanism 2 and the joint 3 has enough bending space, and the rubber sleeve 403 has certain stretching performance, so that the joint of the protecting mechanism 2 and the joint 3 is bent more flexibly, and the rubber sleeve 403 is fixed between the metal sleeve 402 and the fixing ring 404, thereby effectively avoiding the rubber sleeve 403 from being excessively stretched.

The application method and the advantages of the utility model are as follows: when the bending-resistant MPO communication optical fiber jumper is used, the working process is as follows:

as shown in fig. 1-5, the protection mechanism 2 formed by the first insulating layer 201, the tinfoil layer 202, the flame retardant layer 203, the second insulating layer 204 and the wear-resistant layer 205 has good insulation effect, wear resistance, good flame retardant effect and strong anti-interference capability, and can comprehensively protect the wire core 1, the connection part of the protection mechanism 2 and the joint 3 is wrapped with the protection sleeve 401, the metal sleeve 402, the rubber sleeve 403 and the fixing ring 404, so that a certain protection effect is conveniently achieved, the inner wall of the metal sleeve 402 is arc-shaped, the rubber sleeve 403 is bendable, the connection part of the protection mechanism 2 and the joint 3 can be flexibly bent, the rubber sleeve 403 has a certain rebound capability, and the connection part of the protection mechanism 2 and the joint 3 can be effectively prevented from being excessively bent to be broken, so that the whole work is completed.

In conclusion, the bending-resistant MPO communication optical fiber jumper achieves the purposes of bending resistance, insulation, wear resistance, flame retardance and interference resistance, and meets the use requirements of people.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a bending-resistant MPO communication optical fiber jumper wire, includes sinle silk (1), its characterized in that: the cable core is characterized in that a protection mechanism (2) is fixed on the outer side of the cable core (1), connectors (3) are symmetrically fixed at two ends of the protection mechanism (2), a bending-resistant mechanism (4) is fixed between the inner end face of each connector (3) and the outer side of each protection mechanism (2), each protection mechanism (2) comprises a first insulating layer (201), the first insulating layer (201) wraps the outer side of the cable core (1), a tinfoil layer (202) is wrapped on the outer side of each first insulating layer (201), a flame retardant layer (203) is fixed on the outer side of each tinfoil layer (202), a second insulating layer (204) is fixed on the outer side of each flame retardant layer (203), each bending-resistant mechanism (4) comprises a protective sleeve (401), each protective sleeve (401) is fixed on the inner end face of each connector (3), each inner end face of each protective sleeve (401) is fixedly provided with a metal sleeve (402), each inner end face of each metal sleeve (402) is fixedly provided with a rubber sleeve (403), each inner end face of each rubber sleeve (403) is fixedly provided with a fixing ring (404), and each fixing ring (205) is fixedly arranged on the outer side of each wear-resisting layer (404).

2. The bending-resistant MPO communication fiber optic jumper of claim 1, wherein: and a wear-resistant layer (205) is fixed on the outer side of the second insulating layer (204).

3. The bending-resistant MPO communication fiber optic jumper of claim 1, wherein: seven wire cores (1) are arranged, and six of the wire cores (1) are circumferentially and uniformly distributed on the outer side of the remaining wire core (1).