CN210864107U

CN210864107U - Optical fiber heat-shrinkable tube with optical fiber quick butt joint function

Info

Publication number: CN210864107U
Application number: CN201922290010.4U
Authority: CN
Inventors: 程永威
Original assignee: Suzhou Koslin Power Technology Co ltd
Current assignee: Suzhou Koslin Power Technology Co ltd
Priority date: 2019-12-19
Filing date: 2019-12-19
Publication date: 2020-06-26
Anticipated expiration: 2029-12-19

Abstract

The utility model discloses a belong to pyrocondensation pipe technical field, specifically be an optic fibre pyrocondensation pipe with optic fibre quick butt joint function, including the intermediate junction pipe, the both ends of intermediate junction pipe all are provided with the shrink flaring pipe, the shrink flaring pipe is kept away from the one end of intermediate junction pipe and is connected with the grafting pipe, the switching-over in the middle part of the inner wall of intermediate junction pipe is provided with spacing retaining ring, for polyolefin integrated into one piece between intermediate junction pipe, shrink flaring pipe, grafting pipe, fastening hoop and the spacing retaining ring, through the cooperation of intermediate junction pipe, shrink flaring pipe, grafting pipe, the convenient effect of inserting and fastening the optic fibre; the difficulty of inserting the optical fiber is reduced by arranging the plug-in connector; through the cooperation of fastening hoop, spacing retaining ring, can carry out spacing effect to the optic fibre of both sides for the optic fibre of both sides is aimed at fast, and after the pyrocondensation, through the clamping effect of fastening hoop, makes the connection of optic fibre more firm.

Description

Optical fiber heat-shrinkable tube with optical fiber quick butt joint function

Technical Field

The utility model relates to a pyrocondensation pipe technical field specifically is an optic fibre pyrocondensation pipe with quick butt joint function of optic fibre.

Background

The heat shrinkable sleeve is a special polyolefin heat shrinkable sleeve which can also be called as EVA material. The outer layer is made of high-quality soft cross-linked polyolefin material and inner layer hot melt adhesive through composite processing, the outer layer material has the characteristics of insulation, corrosion resistance, wear resistance and the like, and the inner layer has the advantages of low melting point, water resistance, sealing, high adhesion and the like.

Has the functions of high-temperature shrinkage, softness, flame retardance, insulation and corrosion prevention. The insulating material is widely applied to insulation protection of various wire harnesses, welding spots and inductors, rust prevention and corrosion prevention of metal pipes and bars and the like. The voltage level is 600V.

The polymer material is subjected to a glass state-high elastic state along with the temperature from low to high, the glass state performance is close to that of plastic, and the high elastic state performance is close to that of rubber.

When optic fibre passes through the pyrocondensation pipe and connects, the optic fibre of both sides is difficult to the quick butt joint position, reduces the efficiency of connecting, and the unsafe condition in hookup location appears easily in the later stage.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an optic fibre pyrocondensation pipe with quick butt joint function of optic fibre to when the optic fibre that proposes in solving above-mentioned background art passes through the pyrocondensation pipe and connects, the optic fibre of both sides is difficult to the quick butt joint position, reduces the efficiency of connecting, and the later stage appears the problem of the unsafe condition of hookup location easily.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an optic fibre pyrocondensation pipe with quick butt joint function of optic fibre, includes intermediate junction pipe, the both ends of intermediate junction pipe all are provided with shrink flaring pipe, the one end that intermediate junction pipe was kept away from to shrink flaring pipe is connected with the grafting pipe, the inner wall middle part switching-over of intermediate junction pipe is provided with spacing retaining ring, the inner wall middle part hoop of shrink flaring pipe is provided with the fastening hoop, be polyolefin integrated into one piece between intermediate junction pipe, shrink flaring pipe, grafting pipe, fastening hoop and the spacing retaining ring.

Preferably, one end of the insertion pipe, which is far away from the insertion pipe, is provided with the insertion nozzle, and the diameter of the inner wall of the end, which is far away from the insertion pipe, of the insertion nozzle is smaller than the diameter of the inner wall of the end, which is close to the insertion pipe, of the insertion nozzle.

Preferably, the intermediate connecting pipe, the contraction flared pipe and the inserting pipe are coaxially connected.

Preferably, the diameter of the outer wall of the middle connecting pipe is the same as that of the inner wall of the inserting pipe.

Preferably, the outer walls of the middle connecting pipe, the contraction flared pipe and the inserting pipe are all provided with rubber anticorrosive coatings.

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

1) the optical fiber is conveniently inserted and fastened through the matching action of the middle connecting pipe, the contraction flared pipe and the inserting pipe;

2) the difficulty of inserting the optical fiber is reduced by arranging the plug-in connector;

3) through the cooperation of fastening hoop, spacing retaining ring, can carry out spacing effect to the optic fibre of both sides for the optic fibre of both sides is aimed at fast, and after the pyrocondensation, through the clamping effect of fastening hoop, makes the connection of optic fibre more firm.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic sectional view of the present invention.

In the figure: the device comprises a middle connecting pipe 1, a contraction flared pipe 2, a plug pipe 3, a plug nozzle 4, a fastening hoop 5 and a limiting retainer ring 6.

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 work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example (b):

referring to fig. 1-2, the present invention provides a technical solution: an optical fiber heat-shrinkable tube with an optical fiber quick butt joint function comprises a middle connecting tube 1, wherein two ends of the middle connecting tube 1 are respectively provided with a shrinkage flared tube 2, one end of the shrinkage flared tube 2, which is far away from the middle connecting tube 1, is connected with an inserting tube 3, the middle part of the inner wall of the middle connecting tube 1 is provided with a limiting retaining ring 6 in a reversing manner, the middle part of the inner wall of the shrinkage flared tube 2 is annularly provided with a fastening hoop 5, and polyolefin is integrally formed among the middle connecting tube 1, the shrinkage flared tube 2, the inserting tube 3, the fastening hoop 5 and the limiting retaining ring 6;

the optical fiber heat-shrinkable tube is of a symmetrical structure as a whole, and two optical fibers to be butted are respectively inserted into the middle connecting tube 1 from the shrinkage flared tube 2 and the splicing tube 3 on the two sides and are concentrated to realize the conduction function of the butted optical fibers;

further, the one end that grafting pipe 3 was kept away from to grafting pipe 3 is provided with bayonet joint 4, and the inner wall diameter that 3 one end was kept away from to bayonet joint 4 is less than the inner wall diameter that bayonet joint 4 is close to 3 one ends of grafting pipe for bayonet joint 4 is the flaring form, thereby makes things convenient for the plug-in action of optic fibre.

Further, the middle connecting pipe 1, the contraction flared pipe 2 and the inserting pipe 3 are coaxially connected, so that the optical fiber is stably inserted, and the blocking condition is reduced.

Further, the diameter of the outer wall of the middle connecting pipe 1 is the same as that of the inner wall of the inserting pipe 3, when the optical fiber connecting device is used, the diameter of the inner portion of the middle connecting pipe 1 is the same as that of the outer wall of an optical fiber to be connected, and the diameters of the inner portions of the contraction flared pipe 2, the inserting pipe 3 and the inserting nozzle 4 are all larger than that of the optical fiber.

Further, all be provided with rubber anticorrosive coating on the outer wall of intermediate junction pipe 1, shrink flaring pipe 2 and plug tube 3, rubber anticorrosive coating plays better anticorrosive effect to intermediate junction pipe 1, shrink flaring pipe 2 and plug tube 3, and the contractility is also better, can not influence the normal pyrocondensation effect of intermediate junction pipe 1, shrink flaring pipe 2 and plug tube 3.

The working principle is as follows: two optical fibers to be connected are inserted into the splicing tube 3 and the contraction flared tube 2 from the splicing nozzles 4 at two sides, and finally extend into the middle connecting tube 1 until the optical fibers are contacted with the limiting retainer ring 6, the limiting retainer ring 6 plays a limiting role on the optical fibers at the left side and the right side, and the normal light guide effect of the optical fibers cannot be influenced after the optical fibers are connected;

then from the external heating of intermediate junction pipe 1, shrink flaring pipe 2, socket pipe 3, bayonet socket 4 for intermediate junction pipe 1, shrink flaring pipe 2, socket pipe 3, bayonet socket 4 are heated the shrink to attached on the outer wall of optic fibre, through the shrink fastening effect of fastening hoop 5, make the connection between optic fibre and the pyrocondensation pipe more firm.

Having shown and described the basic principles and principal features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that 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. The utility model provides an optic fibre pyrocondensation pipe with quick butt joint function of optic fibre, includes intermediate junction pipe (1), its characterized in that: the improved structure of the polyolefin pipe is characterized in that both ends of the middle connecting pipe (1) are provided with contraction flared pipes (2), one ends, far away from the middle connecting pipe (1), of the contraction flared pipes (2) are connected with plug pipes (3), the middle part of the inner wall of the middle connecting pipe (1) is provided with limiting check rings (6) in a reversing mode, the middle part of the inner wall of the contraction flared pipes (2) is annularly provided with fastening hoop rings (5), and polyolefin is integrally formed among the middle connecting pipe (1), the contraction flared pipes (2), the plug pipes (3), the fastening hoop rings (5) and the limiting check rings (6).

2. The optical fiber heat shrinkable tube with the optical fiber quick butt joint function according to claim 1, wherein: one end of the insertion pipe (3) far away from the insertion pipe (3) is provided with a connection nozzle (4), and the diameter of the inner wall of one end of the connection nozzle (4) far away from the insertion pipe (3) is smaller than that of the inner wall of one end of the connection nozzle (4) close to the insertion pipe (3).

3. The optical fiber heat shrinkable tube with the optical fiber quick butt joint function according to claim 1, wherein: the middle connecting pipe (1), the contraction flared pipe (2) and the inserting pipe (3) are coaxially connected.

4. The optical fiber heat shrinkable tube with the optical fiber quick butt joint function according to claim 1, wherein: the diameter of the outer wall of the middle connecting pipe (1) is the same as that of the inner wall of the inserting pipe (3).

5. The optical fiber heat shrinkable tube with the optical fiber quick butt joint function according to claim 1, wherein: and rubber anti-corrosion coatings are arranged on the outer walls of the middle connecting pipe (1), the contraction flared pipe (2) and the insertion pipe (3).