CN218213529U

CN218213529U - Cable assembly with dual-mode optical fiber plug

Info

Publication number: CN218213529U
Application number: CN202222353747.8U
Authority: CN
Inventors: 林小枫
Original assignee: Wizeon Communication Technology Shanghai Co ltd
Current assignee: Wizeon Communication Technology Shanghai Co ltd
Priority date: 2022-09-05
Filing date: 2022-09-05
Publication date: 2023-01-03
Anticipated expiration: 2032-09-05

Abstract

The utility model relates to the technical field of communication cables, in particular to a cable assembly with a dual-mode optical fiber plug, which comprises a waterproof cable; one end of the waterproof cable is provided with two groups of first branch cables, and the two groups of first branch cables are connected with the first double-mode optical fiber plug; the other end of the waterproof cable is provided with two groups of second branch cables, each group of second branch cables is connected with two groups of third branch cables, and the third branch cables are connected with a second double-mode optical fiber plug. According to the scheme, the first double-mode optical fiber plug is provided with the sealed waterproof protective shell, and the sealed waterproof protective shell is hermetically arranged on the first double-mode optical fiber plug through the sealing ring through the matching of the sealing convex ring and the sealing groove; the scheme is characterized in that a rubber protective shell is arranged on the second double-mode optical fiber plug, and the rear part of the rubber protective shell is fixedly arranged on the third branch cable, so that the waterproofness and the safety of the multiple groups of optical fiber plugs can be guaranteed, and the service life of the optical fiber plugs can be prolonged.

Description

Cable assembly with dual-mode optical fiber plug

Technical Field

The utility model relates to a communication cable technical field specifically is a cable subassembly with bimodulus optical fiber plug.

Background

The optical fiber connecting assembly mainly comprises an optical fiber cable and an optical fiber connector, wherein the optical fiber connector is a device for detachably (movably) connecting optical fibers, and two end faces of the optical fiber cable are precisely butted together, so that optical energy output by a transmitting optical fiber can be coupled into a receiving optical fiber to the maximum extent, and the influence on a system caused by the optical fiber connector intervening in an optical link is minimized.

Most of optical fiber connecting assemblies in the existing market are only used indoors due to lack of special sealing, waterproof and other protection structures, and sealing and waterproof functions of all assemblies per se are weak, so that the optical fiber connecting assemblies cannot be used outdoors.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cable subassembly with bimodulus optical fiber plug to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: a cable assembly with a dual-mode fiber optic plug includes a waterproof cable; one end of the waterproof cable is provided with two groups of first branch cables, and the two groups of first branch cables are connected with the first double-mode optical fiber plug; the other end of the waterproof cable is provided with two groups of second branch cables, and each group of second branch cables is connected with two groups of third branch cables and is connected with a second double-mode optical fiber plug through the third branch cables; a connecting sleeve is arranged at the joint of the waterproof cable and the first branch cable, and a connecting sleeve is also arranged at the joint of the waterproof cable and the second branch cable; a sealing waterproof protective shell is sleeved outside the first double-mode optical fiber plug, an integrated lengthened sheath is arranged at the rear end of the sealing waterproof protective shell, and the lengthened sheath is attached to the first branch cable in a sealing mode; and a rubber protective shell connected with a third branch cable is arranged at the rear side of the second dual-mode optical fiber plug.

Preferably, the first branch cable is sleeved with an armored sleeve, and the second branch cable and the third branch cable are sleeved with non-armored sleeves.

Preferably, the inner cavity of the connecting sleeve is coated with epoxy adhesive with high strength and waterproof performance.

Preferably, the waterproof cable on the inner side of the connecting sleeve is sleeved with a long heat-shrinkable sleeve.

Preferably, the working ends of the first dual-mode optical fiber plug and the second dual-mode optical fiber plug are both provided with dust covers.

Preferably, a first flame-retardant sleeve is sleeved at the joint of the second branch cable and the third branch cable.

Preferably, a second flame-retardant sleeve is arranged at the joint of the first branch cable and the first dual-mode optical fiber plug.

Preferably, the inner wall of the sealed waterproof protective shell is provided with a sealing convex ring, a sealing groove matched with the first double-mode optical fiber plug is formed in the position, corresponding to the sealing convex ring, of the first double-mode optical fiber plug, and the sealing convex ring is arranged in the sealing groove in a sealing embedded mode.

Preferably, a sealing ring is arranged in the sealing groove.

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

1. the utility model provides a pair of cable subassembly with bimodulus optical fiber plug, this waterproof cable with bimodulus optical fiber plug installs multiunit lag tube, sheath for satisfying its high water resistance demand on its cable subassembly, can effectual guarantee cable main part and multiunit branch cable junction and the waterproof nature of self, are convenient for use in the open air.

2. The utility model provides a cable subassembly with bimodulus optical fiber plug, this scheme is provided with sealed waterproof protective case on first bimodulus optical fiber plug, and this sealed waterproof protective case passes through the cooperation of sealed bulge loop and sealed recess, installs on first bimodulus optical fiber plug through the sealing washer is sealed; this scheme still is provided with the rubber protective case on the second double mode fiber plug, and the rear portion of this rubber protective case is fixed to be set up on third branch cable, through the design of sealed waterproof protective case, rubber protective case, can ensure above-mentioned multiunit fiber plug's waterproof nature, security, prolongs its life.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural diagram of a first dual-mode optical fiber plug according to the present invention;

fig. 3 is a schematic structural diagram of a second dual-mode optical fiber plug according to the present invention.

In the figure: 1. a waterproof cable; 2. a first branch cable; 3. a first dual mode fiber optic plug; 4. a second branch cable; 5. a third branch cable; 6. a second dual-mode fiber optic plug; 7. connecting a sleeve; 8. sealing the waterproof protective shell; 9. lengthening the sheath; 10. an armor sleeve; 11. a non-armored casing; 12. a heat-shrinkable long sleeve; 13. a dust cover; 14. a first flame retardant sleeve; 15. a second flame retardant sleeve; 16. a sealing convex ring; 17. sealing the groove; 18. a seal ring; 19. and (4) a rubber protective shell.

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 all belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

Referring to fig. 1-3, the present invention provides a technical solution: a cable assembly with a dual mode fiber optic plug includes a waterproof cable 1; one end of the waterproof cable 1 is provided with two groups of first branch cables 2, and the two groups of first branch cables 2 are connected with a first double-mode optical fiber plug 3; the other end of the waterproof cable 1 is provided with two groups of second branch cables 4, and each group of second branch cables 4 is connected with two groups of third branch cables 5 and is connected with a second double-mode optical fiber plug 6 through the third branch cables 5; a connecting sleeve 7 is arranged at the joint of the waterproof cable 1 and the first branch cable 2, and a connecting sleeve 7 is also arranged at the joint of the waterproof cable 1 and the second branch cable 4; a sealing waterproof protective shell 8 is sleeved outside the first double-mode optical fiber plug 3, an integrated lengthened sheath 9 is arranged at the rear end of the sealing waterproof protective shell 8, and the lengthened sheath 9 is attached to the first branch cable 2 in a sealing mode; the rear side of the second dual-mode optical fiber plug 6 is provided with a rubber sheath 19 connected with the third branch cable 5.

Further, the first branch cable 2 is sleeved with an armored sleeve 10, and the second branch cable 4 and the third branch cable 5 are sleeved with non-armored sleeves 11.

Further, an epoxy adhesive having high strength and waterproof property is coated in the inner cavity of the connection sleeve 7.

Furthermore, a heat-shrinkable long sleeve 12 is sleeved on the waterproof cable 1 on the inner side of the connecting sleeve 7.

Furthermore, the working ends of the first dual-mode optical fiber plug 3 and the second dual-mode optical fiber plug 6 are both provided with dust covers 13.

Further, a first flame-retardant sleeve 14 is sleeved at the joint of the second branch cable 4 and the third branch cable 5.

Further, a second flame-retardant sleeve 15 is arranged at the joint of the first branch cable 2 and the first dual-mode optical fiber plug 3.

Furthermore, a sealing convex ring 16 is arranged on the inner wall of the sealing waterproof protective shell 8, a sealing groove 17 matched with the first double-mode optical fiber plug 3 is formed in the position, corresponding to the sealing convex ring 16, of the first double-mode optical fiber plug, and the sealing convex ring 16 is arranged in the sealing groove 17 in a sealing embedding mode.

Further, a seal ring 18 is disposed in the seal groove 17.

The working principle is as follows: according to the scheme, the first double-mode optical fiber plug 3 is provided with the sealed waterproof protective shell 8, the sealed waterproof protective shell 8 is hermetically arranged on the first double-mode optical fiber plug 3 through the matching of the sealing convex ring 16 and the sealing groove 17 and the sealing ring 18, so that the sealing and waterproof performance of the first double-mode optical fiber plug 3 can be ensured; moreover, the rear end of the sealed waterproof protective shell 8 is provided with an integrated lengthened sheath 9, and the lengthened sheath 9 is hermetically attached to the first branch cable 2.

The scheme is characterized in that the second dual-mode optical fiber plug 6 is provided with the rubber protective shell 19, and the rear part of the rubber protective shell 19 is fixedly arranged on the third branch cable 5 in a sealing manner, so that the waterproof performance and the safety of the second dual-mode optical fiber plug 6 can be ensured, the connection stability of the second dual-mode optical fiber plug 6 and the third branch cable 5 can be improved, and the service life of the second dual-mode optical fiber plug is prolonged.

This scheme is in order to improve the waterproof nature of cable self, still all is provided with adapter sleeve 7 at the junction of waterproof cable 1 and first branch cable 2, the junction of waterproof cable 1 and second branch cable 4, and this adapter sleeve can effectual improvement waterproof cable and the compactness that each branch cable is connected.

The first flame-retardant sleeve 14 sleeved at the joint of the second branch cable 4 and the third branch cable 5, the second flame-retardant sleeve 15 arranged at the joint of the first branch cable 2 and the first double-mode optical fiber plug 3, the armored sleeve 10 sleeved on the first branch cable 2, and the unarmored sleeve 11 sleeved on the second branch cable 4 and the third branch cable 5 can effectively improve the safety, wear resistance, flame retardance, deformation resistance and other performances of each branch cable of the cable assembly, ensure the normal use of the functions of the cable assembly, and prolong the service life of the cable assembly.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A cable assembly with a dual mode fiber optic plug, comprising: comprising a waterproof cable (1); one end of the waterproof cable (1) is provided with two groups of first branch cables (2), and the two groups of first branch cables (2) are connected with a first double-mode optical fiber plug (3); the other end of the waterproof cable (1) is provided with two groups of second branch cables (4), each group of second branch cables (4) is connected with two groups of third branch cables (5), and the second branch cables are connected with a second double-mode optical fiber plug (6) through the third branch cables (5); a connecting sleeve (7) is arranged at the joint of the waterproof cable (1) and the first branch cable (2), and a connecting sleeve (7) is also arranged at the joint of the waterproof cable (1) and the second branch cable (4); a sealing waterproof protective shell (8) is sleeved outside the first double-mode optical fiber plug (3), an integrated lengthened sheath (9) is arranged at the rear end of the sealing waterproof protective shell (8), and the lengthened sheath (9) is attached to the first branch cable (2) in a sealing mode; and a rubber protective shell (19) connected with the third branch cable (5) is arranged at the rear side of the second double-mode optical fiber plug (6).

2. The cable assembly with a dual mode fiber optic plug of claim 1, wherein: the first branch cable (2) is sleeved with an armored sleeve (10), and the second branch cable (4) and the third branch cable (5) are sleeved with non-armored sleeves (11).

3. The cable assembly with a dual mode fiber optic plug of claim 1, wherein: the inner cavity of the connecting sleeve (7) is coated with epoxy adhesive.

4. The cable assembly with a dual mode fiber optic plug of claim 1, wherein: the waterproof cable (1) is sleeved with a long heat-shrinkable sleeve (12).

5. The cable assembly with a dual mode fiber optic plug of claim 1, wherein: and the working ends of the first double-mode optical fiber plug (3) and the second double-mode optical fiber plug (6) are respectively provided with a dustproof cover (13).

6. The cable assembly with a dual mode fiber optic plug of claim 1, wherein: and a first flame-retardant sleeve (14) is sleeved at the joint of the second branch cable (4) and the third branch cable (5).

7. The cable assembly with a dual mode fiber optic plug of claim 1, wherein: and a second flame-retardant sleeve (15) is arranged at the joint of the first branch cable (2) and the first double-mode optical fiber plug (3).

8. The cable assembly with a dual mode fiber optic plug of claim 1, wherein: a sealing convex ring (16) is arranged on the inner wall of the sealing waterproof protective shell (8), a sealing groove (17) matched with the sealing convex ring (16) is formed in the position, corresponding to the sealing convex ring (16), of the first double-mode optical fiber plug (3), and the sealing convex ring (16) is arranged in the sealing groove (17) in a sealing embedding mode.

9. The cable assembly with a dual mode fiber optic plug of claim 8, wherein: and a sealing ring (18) is arranged in the sealing groove (17).