CN211318835U

CN211318835U - Thermal shrinkage sleeve and optical cable splitter using same

Info

Publication number: CN211318835U
Application number: CN201922129013.XU
Authority: CN
Inventors: 李雪龙; 闫颖; 吴伟; 韦明飘
Original assignee: Jiangsu Yongding Optoelectronic Technology Co ltd
Current assignee: Jiangsu Yongding Optoelectronic Technology Co ltd
Priority date: 2019-12-02
Filing date: 2019-12-02
Publication date: 2020-08-21
Anticipated expiration: 2029-12-02

Abstract

The utility model discloses a thermal shrinkable sleeve and an optical cable splitter applying the thermal shrinkable sleeve, which are applied in the field of optical cable splitters and solve the technical problem of long-time leaking weathering of the optical cable splitters, and the technical scheme is characterized in that the thermal shrinkable sleeve comprises an upper sheet body and a lower sheet body, wherein the joint of the upper sheet body and the lower sheet body is provided with an arc-shaped connecting part, strip grooves are arranged in the upper sheet body and the lower sheet body, the inner walls of the upper sheet body and the lower sheet body are provided with sand grips, the opposite surfaces of the upper sheet body and the lower sheet body are provided with adhesive layers, the adhesive layers are hot melt adhesive layers, and the thermal shrinkable sleeve can be better adhered to the optical cable splitters after thermal shrinkage treatment by adding the hot melt adhesive layers on the opposite surfaces of the upper sheet body; the technical effect that the heat shrinkable tube is increased to protect the optical cable splitter, the service life of the optical cable splitter is further prolonged, and meanwhile, the tensile force of the optical cable can be increased.

Description

Thermal shrinkage sleeve and optical cable splitter using same

Technical Field

The utility model relates to an optical cable spliter field, in particular to thermal shrinkable sleeve and use this thermal shrinkable sleeve's optical cable spliter.

Background

Optical fibers are short for optical fibers, and are fibers made of glass or plastic that can be used as a light conducting means. At present, the rapid development of the internet, the development of the optical fiber communication technology and the industry thereof in many areas without much force, and at present, when the laid optical cable enters the optical fiber distribution box, the optical cable generally needs to be stripped due to the problem of the space of a communication network cabinet, and an optical cable splitter needs to be adopted for installation and protection after the optical cable is stripped.

The traditional Chinese patent with publication number CN207123632U discloses a double-core butterfly-shaped optical cable splitter, which comprises a shell, wherein the shell comprises an upper cover shell and a lower cover body, a clamping hook is arranged on the upper cover body, a bus groove and a branch groove are arranged in the lower cover body, a first oblique barb is arranged in the bus groove and the branch groove, and a second oblique barb with the direction opposite to that of the first oblique barb is arranged in the branch groove; the optical cable bus is arranged in the bus slot, and the branch optical cables are arranged in the two branch slots.

The optical cable splitter is generally used in two environments, namely indoor environment and outdoor environment, when the optical cable splitter is used outdoors, the optical cable splitter is in the outdoor environment for a long time, and the material of the optical cable splitter is only made of plastic, so that the optical cable splitter is easily corroded by rainwater and weathered, and various natural environmental factors have great influence on the service life of the optical cable splitter.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a thermal shrinkable sleeve, its advantage has the guard action to the cable splitter.

The above technical purpose of the present invention can be achieved by the following technical solutions: the novel adhesive tape comprises an upper sheet body and a lower sheet body, wherein the two sides of the upper sheet body and the two sides of the lower sheet body are respectively connected, an arc-shaped connecting part is formed at the connecting part of the upper sheet body and the lower sheet body, and the side faces, opposite to the upper sheet body and the lower sheet body, are respectively provided with an adhesive layer.

Through above-mentioned technical scheme, the sleeve pipe body divide into lamellar body and lower lamellar body, and the crease department of lamellar body and lower lamellar body is bent, compression processing more than the whole sleeve pipe body can for whole sleeve pipe body can be compressed into a style of calligraphy, and the space of the whole sleeve pipe body that significantly reduces in transportation and installation, is equipped with the adhesive layer on the inner wall of sleeve pipe body, is carrying out the pyrocondensation processing back, makes the pyrocondensation pipe will be more firm depending on optical cable branch ware.

The utility model discloses further set up to: the upper sheet body is L-shaped, the lower sheet body is L-shaped, and the width direction cross sections of the upper sheet body and the lower sheet body are rounded rectangles.

Through above-mentioned technical scheme, go up the lamellar body and be the L type with lower lamellar body for the fillet rectangle is personally submitted to the cross section of whole sleeve pipe body, and the fillet rectangle is the fillet rectangle and is corresponding with the cross section of optical cable branching ware, and it is internal that the optical cable branching ware of being convenient for is inserted and is put the sleeve pipe.

The utility model discloses further set up to: the adhesive layer is a hot melt adhesive layer.

Through above-mentioned technical scheme, the hot melt adhesive can be rapid melting after receiving high temperature heating, whole sleeve pipe body will be rapid the shrink on optical cable splitter.

The utility model discloses further set up to: the thickness of the sleeve body is 0.8mm-1.6 mm.

Through the technical scheme, the thickness of the sleeve body is controlled to be 0.8mm-1.6mm, so that the material of the sleeve body is not only controlled, but also the thinner sleeve body has better flexibility.

The utility model discloses further set up to: the opposite side surfaces of the upper sheet body and the lower sheet body are provided with a strip groove and a convex strip.

Through above-mentioned technical scheme, this internal strip groove that is equipped with of sleeve pipe, four corners on the optical cable splitter can be corresponded to the strip groove, the installation of the optical cable splitter of being convenient for.

An optical cable splitter applying a heat shrinkable sleeve: the advantages are that: the thermal shrinkage sleeve provides protection for the optical cable splitter and increases the tensile force of the optical cable splitter on the optical cable.

Another object of the utility model is to provide an optical cable branching ware of using heat shrinkable sleeve, which comprises a housin, the casing includes upper cover shell and lower cover shell, casing one side is equipped with total cable mouth, the casing opposite side is equipped with the branch line export, including foretell heat shrinkable sleeve on the casing.

Through the technical scheme, the sleeve body is sleeved on the optical cable splitter, so that the optical cable splitter is not directly exposed under the controller, and the phenomenon that the optical cable splitter is aged after being exposed in air for a long time is reduced; the optical cable splitter is divided into an upper cover shell and a lower cover shell, the optical cable is clamped in the lower cover shell, the optical cable is fixed in the optical cable splitter through the sealing cover of the upper cover shell and the lower cover shell, and the optical cable splitter can bear pulling force from a main cable port and a branch cable outlet to two ends of the optical cable splitter in the using process, so that the optical cable splitter is sleeved with the sleeve body, the sleeve body is subjected to thermal shrinkage treatment, and the pulling force borne by the two sections of cables by the optical cable splitter is increased.

The utility model discloses further set up to: and the upper cover shell is provided with an edge extending fillet.

Through above-mentioned technical scheme, optical cable splitter is sheathe in-process of sleeve pipe body in, because the inner wall of sleeve pipe body scribbles the hot melt adhesive, the hot melt adhesive can be lacerated to too sharp-pointed limit that prolongs, the hot melt adhesive after the rupture is at the in-process that carries out pyrocondensation processing, makes whole sleeve pipe body crack appear easily, is equipped with the limit fillet of prolonging on consequently optical cable splitter, avoids lacerating the inner wall of sleeve pipe body to the fillet is prolonged the limit and is more convenient for optical cable splitter and insert in the sleeve pipe body.

The utility model discloses further set up to: the top of the upper cover shell is provided with a plurality of concave points.

Through above-mentioned technical scheme, optical cable branch ware need carry out pyrocondensation processing to the sleeve pipe body after sheatheeing in the sleeve pipe body, because be equipped with the hot melt adhesive on the inner wall of sleeve pipe body, for the in-process of hot melt adhesive heating, the hot melt adhesive is heated and is melted, and the concave point will be filled up to the molten hot melt adhesive, and the hot melt adhesive after consequently handling has fine adhesion to optical cable branch ware, has reduced the sleeve pipe body and has still can be at optical cable branch ware length direction slip phenomenon after the pyrocondensation is handled.

To sum up, the utility model discloses following beneficial effect has:

1. divide into lamellar body and lower lamellar body with the pyrocondensation cover, increase the toughness of whole pyrocondensation cover to be equipped with hot melt adhesive layer on the inner wall of pyrocondensation cover, increase the parcel nature to article after the pyrocondensation cover pyrocondensation.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

FIG. 2 is a schematic side view of the present embodiment;

FIG. 3 is a schematic structural diagram of the hot melt adhesive layer of the present embodiment;

fig. 4 is a schematic view of the overall structure of the optical cable splitter of the present embodiment;

fig. 5 is a schematic structural view of the explosion of the present embodiment;

FIG. 6 is a schematic view showing the overall structure of the heat shrinkable tube of this embodiment after heat fusion.

Reference numerals: 2. an upper sheet body; 3. a lower sheet body; 4. an arc-shaped connecting part; 5. a hot melt adhesive layer; 6. an adhesive layer; 7. a strip groove; 8. a housing; 9. an upper cover shell; 10. a lower cover shell; 11. a main cable port; 12. a branch line outlet; 13. edge extending and round corner rounding; 15. a convex strip; 16. and (4) pits.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b):

referring to fig. 1, for the utility model discloses a heat shrinkable sleeve, including last lamellar body 2 and lower lamellar body 3, go up lamellar body 2 and the junction of lower lamellar body 3 and form arc connecting portion 4, consequently last lamellar body 2 and lower lamellar body 3 of whole heat shrinkable sleeve can buckle along arc connecting portion 4 for whole heat shrinkable sleeve can follow arc connecting portion 4 and compress into a style of calligraphy, the transportation space of the whole heat shrinkable sleeve that significantly reduces. The inner wall of the thermal shrinkable sleeve corresponding to the arc-shaped connecting part 4 is provided with a fillet, so that the flexibility of the thermal shrinkable sleeve when being pressed is increased, the upper sheet body 2 and the lower sheet body 3 are integrally formed, and the integrally formed thermal shrinkable sleeve is not connected with the end face, so that cracks are not easy to appear in the thermal shrinkage treatment process, and the thermal shrinkage of the thermal shrinkable sleeve is further ensured.

Referring to fig. 2 and 3, the thickness L of the thermal shrinkable sleeve is 0.9mm, and the thickness L of the thermal shrinkable sleeve is controlled within 0.8mm-1.6mm, so that not only is material saving achieved, but also the flexibility of the whole thermal shrinkable sleeve is ensured, and the excessively thick thermal shrinkable sleeve can reduce the elasticity of the thermal shrinkable sleeve when being installed for an optical cable splitter, and is clumsy to install, so that the thickness is strictly controlled, and the practicability of the thermal shrinkable sleeve is ensured. Be equipped with adhesive layer 6 on heat shrinkable sleeve's the inner wall, the adhesive layer is hot melt adhesive layer 5, and the preferred model of hot melt adhesive layer 5 is the PA hot melt adhesive, and when heat shrinkable sleeve overlaps and carries out the pyrocondensation processing on the optical cable spliter, hot melt adhesive layer 5 will melt after receiving high temperature, and the pyrocondensation cover is rapid dwindle under the high temperature, and after high temperature, the pyrocondensation cover will be rapid solidify and depend on the optical cable spliter. The thermal shrinkage sleeve after thermal shrinkage tightly wraps the optical cable splitter to form an optical cable splitter protective layer. Be equipped with sand grip 15 in the heat shrinkable sleeve, consequently because the existence of sand grip 15 after the heat shrinkable sleeve is ended in the installation, the optical cable branching ware hardly rotates in the heat shrinkable sleeve, reduces the rotation in the heat shrinkable sleeve, and the rotation of optical cable branching ware causes the damage degree great to hot melt adhesive layer 5 in the heat shrinkable sleeve.

Example 2:

referring to fig. 2, a heat shrinkable sleeve differs from example 1 in that: the width direction of going up lamellar body 2 is the L type, and the width direction of lower lamellar body 3 is the L type, and then whole pyrocondensation cover transversal is fillet rectangle. The heat shrinkable sleeve with the cross section in a round corner rectangle corresponds to the width reverse cross section of the optical cable splitter. And nesting the rounded rectangle corresponding to the four extending edges of the optical cable splitter. And further reducing the friction resistance of the inner wall of the sleeve to the optical cable splitter in the process of nesting the thermal shrinkable sleeve.

Referring to fig. 2, the inner wall of the heat shrinkable sleeve is provided with a strip groove 7, the extending edge of the optical cable splitter in the length direction is aligned to the four strip grooves 7, and the strip groove 7 has a guiding function for the insertion of the optical cable splitter, so that the insertion of the optical cable splitter is facilitated.

Example 3:

referring to fig. 4 and 5, an optical cable splitter using a heat shrinkable sleeve includes the above embodiments 1 and 2, and further includes a housing 8, an optical cable bus and optical cable branch lines are installed in the housing 8, the housing 8 includes an upper cover shell 9 and a lower cover shell 10, a main cable port 11 for placing a main optical cable is installed in the lower cover shell 10, and a branch line outlet 12 for placing a branch line port is also installed in the lower cover shell, the main optical cable is composed of two branch cables, and after passing through the optical cable branch lines, the main optical cable is decomposed into the two branch line outlets 12. Then on the lower cover shell 10 with upper cover shell 9 corresponding joint, the high temperature heating that utilizes with the thermal shrinkage cover on casing 8 at last, the thermal shrinkage cover is after high temperature high fever, and the thermosol layer on the thermal shrinkage cover inner wall will be rapid melting, and the thermal shrinkage cover under the high temperature will depend on the optical cable branching ware.

Referring to fig. 5, optical cable splitter is at the in-process of cover thermal shrinkable sleeve, because the hot melt adhesive is scribbled on the inner wall of thermal shrinkable sleeve, cross sharp-pointed limit of extending and can cut open the hot melt adhesive, the hot melt adhesive layer 5 (refer to fig. 3) after cutting open is at the in-process that carries out the pyrocondensation processing, make whole pyrocondensation cover present the crack easily, consequently be equipped with on the optical cable splitter and extend limit fillet 13, avoid cutting open the inner wall of pyrocondensation cover, and it more is convenient for optical cable splitter to insert in the pyrocondensation cover to extend limit fillet 13. The top of the upper cover shell 9 is provided with a plurality of concave points 16, the optical cable splitter needs to perform thermal shrinkage treatment on a thermal shrinkage sleeve after the thermal shrinkage sleeve is sleeved on the optical cable splitter, and the concave points 16 are filled with molten hot melt adhesive in the process of heating the hot melt adhesive in the thermal shrinkage sleeve 5 due to the fact that the hot melt adhesive layer 5 is arranged on the inner wall of the thermal shrinkage sleeve. Therefore, the treated hot melt adhesive layer 5 has good adhesion to the optical cable splitter, and the phenomenon that the thermal shrinkable sleeve slides in the length direction of the optical cable splitter after thermal shrinkage treatment is reduced.

Referring to fig. 6, since the optical cable is installed in the optical cable splitter, when the optical cable splitter is installed outdoors, the optical cable lines on both sides have a large tensile force to the optical cable splitter. Because the optical cable splitter is used for dividing a total optical cable into two optical cable branch lines, the tensile force borne by the optical cable splitter will be increased, and because the optical cable splitter is made of plastics and the tensile force on the optical cable is limited, after the thermal shrinkage sleeve is added, the thermal shrinkage sleeve tightly embraces the optical cable splitter, and the tensile force on the optical cable by the optical cable splitter is increased.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. A thermal shrinkable sleeve is characterized in that: including last lamellar body (2) and lower lamellar body (3), go up the both sides of lamellar body (2) and lower lamellar body (3) and connect respectively, the junction of going up lamellar body (2) and lower lamellar body (3) is formed with arc connecting portion (4), the side that goes up lamellar body (2) and lower lamellar body (3) relative all is equipped with adhesive layer (6).

2. The heat-shrinkable sleeve according to claim 1, wherein said upper sheet (2) is L-shaped, said lower sheet (3) is L-shaped, and the width-wise cross-sections of said upper sheet (2) and said lower sheet (3) are rounded rectangles.

3. A heat-shrinkable sleeve according to claim 1, characterized in that said adhesive layer (6) is a layer (5) of hot-melt adhesive.

4. A heat-shrinkable sleeve according to claim 3, characterized in that said upper sheet (2) and lower sheet (3) have a thickness of between 0.8mm and 1.6 mm.

5. The heat-shrinkable sleeve according to claim 1, characterized in that the opposite sides of said upper (2) and lower (3) sheets are provided with grooves (7) and ribs (15).

6. An optical cable splitter applying a thermal shrinkable sleeve is characterized in that: the cable connector comprises a shell (8), wherein the shell (8) comprises an upper cover shell (9) and a lower cover shell (10), a main cable port (11) is arranged on one side of the shell (8), a branch line outlet (12) is arranged on the other side of the shell (8), and the shell (8) comprises the thermal shrinkable sleeve.

7. The optical cable splitter using the heat shrinkable sleeve as claimed in claim 6, wherein the upper cover shell (9) is provided with an edge extending fillet (13).

8. The optical cable splitter using the thermal shrinkable sleeve as claimed in claim 6, wherein a plurality of concave points (16) are provided on the top of the upper cover shell (9).