CN208795887U - A kind of optical fiber transmission sealing pipeline device - Google Patents

Abstract

The utility model discloses a kind of optical fiber to transmit sealing pipeline device, including the first tube body, first pipe interface and spiral nozzle, flame-retardant foam layer is installed on the inside of first tube body, and polyurethane water-proof layer is installed on the inside of flame-retardant foam layer, silicone rubber seal layer is installed on the inside of the polyurethane water-proof layer, the first screw is installed above the first pipe interface, and first pipe interface is located at the right side of the first tube body, the second sealing strip is installed on the right side of the spiral nozzle, and spiral nozzle is located at the right side of the first sealing strip, second pipe interface is installed on the right side of second sealing strip, and the first nut is installed above second pipe interface, third pipe joint is installed on the right side of the second pipe interface, and the second nut is installed below third pipe joint, pacify on the right side of the third pipe joint Equipped with the second tube body, which has waterproof, and fire prevention is moisture-proof, possesses the features such as extremely strong leakproofness can completely cut off air.

Description

A kind of optical fiber transmission sealing pipeline device

Technical field

The utility model relates to photoelectric field, specially a kind of optical fiber transmits sealing pipeline device.

Background technique

Optical cable is manufactured to meet the performance specification of optics, machinery or environment, it is to utilize to be placed in cladding sheath In one or more optical fiber as transmission medium and the communications cable component that can use individually or in groups, optical cable mainly by Optical fiber and plastic protective sleeve pipe and plastic peel are constituted, without the metals such as gold, silver, copper aluminium, general non-recovery valence in optical cable Value, optical cable are a certain number of optical fiber according to the certain way group stranding heart, are surrounded by sheath outside, some also cladding outer jackets, to A kind of communication line for realizing optical signal transmission, the cable formed by optical fiber by certain technique, however now on the market FDDI FDM Fiber Duct does not have fire prevention, moisture-proof, and in the case where encountering fire or weather cold, internal optical fiber is easy to be damaged Bad and present FDDI FDM Fiber Duct does not have leakproofness, so that FDDI FDM Fiber Duct inner air flows, affects optical fiber use, and And it is easily damaged optical fiber, optical fiber service life is reduced, to this it is proposed that a kind of fire prevention, moisture-proof, and leakproofness by force can be every The optical fiber seal pipeline of exhausted air.

Utility model content

The purpose of this utility model is to provide a kind of optical fiber to transmit sealing pipeline device, to solve in above-mentioned background technique The present resting chair proposed does not have waterproof, prevents fires, and does not have the problems such as isolation air.

To achieve the above object, the utility model provides the following technical solutions: a kind of optical fiber transmission sealing pipeline device, packet The first tube body, first pipe interface and spiral nozzle are included, flame-retardant foam layer, and fire-retardant bubble are installed on the inside of first tube body Polyurethane water-proof layer is installed on the inside of foam layer, silicone rubber seal layer is installed on the inside of the polyurethane water-proof layer, described First screw is installed, and first pipe interface is located at the right side of the first tube body, first screw above one pipe joint Right side spring shim is installed, the second screw, and the right side of first pipe interface are installed below the first pipe interface Side is equipped with the first sealing strip, the second sealing strip is equipped on the right side of the spiral nozzle, and spiral nozzle is located at the first sealing The right side of item is equipped with second pipe interface on the right side of second sealing strip, and is equipped with first above second pipe interface Nut is equipped with third pipe joint on the right side of the second pipe interface, and is equipped with second below third pipe joint Nut is equipped with the second tube body on the right side of the third pipe joint.

Preferably, the length of the flame-retardant foam layer is identical as the length of polyurethane water-proof layer, and flame-retardant foam layer and poly- Urethane waterproof layer is parallel to each other.

Preferably, it is bonded completely on the left of the right side of first screw and spring shim, and the first screw and the second screw Center line about first pipe interface is symmetrical.

Preferably, the volume of the spiral nozzle is greater than the first sealing strip, and the first sealing strip is perpendicular to spiral nozzle.

Preferably, the length of second sealing strip is identical as the length of second pipe interface, and the right side of the second sealing strip Side is bonded completely with the left side of second pipe interface.

Preferably, the structure of first nut is identical as the structure of the second nut, and the first nut and the second nut close It is symmetrical in the center line of third pipe joint.

Compared with prior art, the utility model has the beneficial effects that the optical fiber seal pipeline has waterproof, prevent fires, prevents Tide possesses the features such as extremely strong leakproofness can completely cut off air, which is provided with flame-retardant foam layer, can be fine Ground fire prevention, does not allow internal optical fiber to be damaged, is additionally provided with polyurethane water-proof layer, even if so that optical fiber seal pipeline is immersed in water Middle internal optical fiber will not be affected, enable to optical fiber seal pipeline can be used for it is outdoor in the case where, be additionally provided with silicon rubber Glue sealant can prevent outside air from entering, so that being fully sealed inside pipeline, which is additionally provided with first Screw and the second screw can also set up spring shim, spring shim assembly in the compactness that piping connection portion both steps up Washer is driven plain afterwards, and bounce can make to keep pressing force and frictional force between screw thread, to realize locking, is enabled to first Screw and the installation of the second screw it is even closer, and be additionally provided with the on the surface of first pipe interface and second pipe interface One sealing strip and the second sealing strip so that fitting is even closer, and can guarantee the leakproofness of interface.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the utility model operating structure schematic diagram；

Fig. 3 is enlarged structure schematic diagram at the utility model A；

Fig. 4 is enlarged structure schematic diagram at the utility model B；

In figure: 1, the first tube body, 2, flame-retardant foam layer, 3, polyurethane water-proof layer, 4, silicone rubber seal layer, 5, first pipe Interface, the 6, first screw, 7, spring shim, the 8, second screw, the 9, first sealing strip, 10, spiral nozzle, the 11, second sealing strip, 12, second pipe interface, the 13, first nut, 14, third pipe joint, the 15, second nut, the 16, second tube body.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-4 is please referred to, the utility model provides a kind of technical solution: a kind of optical fiber transmission sealing pipeline device, including First tube body 1, first pipe interface 5 and spiral nozzle 10, the inside of the first tube body 1 are equipped with flame-retardant foam layer 2, and fire-retardant bubble The inside of foam layer 2 is equipped with polyurethane water-proof layer 3, and the length of flame-retardant foam layer 2 is identical as the length of polyurethane water-proof layer 3, and Flame-retardant foam layer 2 is parallel to each other with polyurethane water-proof layer 3, more preferably can seal and protect optical fiber, the inside of polyurethane water-proof layer 3 Silicone rubber seal layer 4 is installed, the top of first pipe interface 5 is equipped with the first screw 6, and first pipe interface 5 is located at the The right side of one tube body 1, the right side of the first screw 6 are equipped with spring shim 7, and the right side and 7 left side of spring shim of the first screw 6 are complete Full fitting, and the first screw 6 is symmetrical about the center line of first pipe interface 5 with the second screw 8, can make two pipeline fittings Du Genggao, the lower section of first pipe interface 5 is equipped with the second screw 8, and the right side of first pipe interface 5 is equipped with the first sealing Item 9, the right side of spiral nozzle 10 is equipped with the second sealing strip 11, and spiral nozzle 10 is located at the right side of the first sealing strip 9, spiral The volume of nozzle 10 is greater than the first sealing strip 9, and the first sealing strip 9 is perpendicular to spiral nozzle 10 so that after installation will not gas leakage, The right side of second sealing strip 11 is equipped with second pipe interface 12, and the first nut 13 is equipped with above second pipe interface 12, The length of second sealing strip 11 is identical as the length of second pipe interface 12, and the right side of the second sealing strip 11 connects with second pipe The left side of mouth 12 is bonded completely, and the right side of leakproofness enhancing second pipe interface 12 is equipped with third pipe joint 14, and third The lower section of pipe joint 14 is equipped with the second nut 15, and the structure of the first nut 13 is identical as the structure of the second nut 15, and the One nut 13 is symmetrical about the center line of third pipe joint 14 with the second nut 15, so that even closer between pipeline, third The right side of pipe joint 14 is equipped with the second tube body 16.

Working principle: rotating into third pipe joint 14 for spiral nozzle 10, the first screw 6 is then rotated, with second Screw 8 to be combined with the first nut 13 and the second nut 15, enhances the close of pipeline enclosure, and pipeline is internally provided with fire-retardant bubble Foam layer 2 can prevent fires well, not allow internal optical fiber to be damaged, and be additionally provided with polyurethane water-proof layer 3, so that optical fiber seal Even if pipeline impregnates in water, internal optical fiber will not be affected, and optical fiber seal pipeline is enabled to can be used for outdoor feelings Under condition, it is additionally provided with silicone rubber seal layer 4, outside air can be prevented to enter, so that being fully sealed inside pipeline, the optical fiber is close Tube sealing road is additionally provided with the first screw 6 and the second screw 8, can also set up in the compactness that piping connection portion both steps up Spring shim 7, washer is driven plain after spring shim 7 assembles, and bounce can make to keep pressing force and frictional force between screw thread, thus Realize it is locking, enable to install in the first screw 6 and the second screw 8 it is even closer, and in first pipe interface 5 and the The surface of two pipe joints 12 is additionally provided with the first sealing strip 9 and the second sealing strip 11, so that fitting is even closer, and energy Enough guarantee the leakproofness of interface.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. An optical fiber transmission sealing pipe device, comprising a first pipe body (1), a first pipe interface (5) and a spiral nozzle (10), characterized in that: the inner side of the first pipe body (1) is installed There is a flame-retardant foam layer (2), and a polyurethane waterproof layer (3) is installed on the inner side of the flame-retardant foam layer (2), and a silicone rubber sealing layer (4) is installed on the inner side of the polyurethane waterproof layer (3), and the A first screw (6) is installed above the first pipe interface (5), and the first pipe interface (5) is located on the right side of the first pipe body (1), and the first screw (6) is installed on the right side There is a spring washer (7), a second screw (8) is installed below the first pipe interface (5), and a first sealing strip (9) is installed on the right side of the first pipe interface (5), so A second sealing strip (11) is installed on the right side of the spiral nozzle (10), and the spiral nozzle (10) is located on the right side of the first sealing strip (9), and the right side of the second sealing strip (11) is A second pipeline interface (12) is installed on the side, a first nut (13) is installed above the second pipeline interface (12), and a third pipeline interface (14) is installed on the right side of the second pipeline interface (12). , and a second nut (15) is installed below the third pipe interface (14), and a second pipe body (16) is installed on the right side of the third pipe interface (14). 2. An optical fiber transmission sealing pipe device according to claim 1, characterized in that: the length of the flame-retardant foam layer (2) is the same as the length of the polyurethane waterproof layer (3), and the flame-retardant foam layer (2) has the same length as the polyurethane waterproof layer (3). ) and the polyurethane waterproof layer (3) are parallel to each other. 3. An optical fiber transmission sealing pipe device according to claim 1, characterized in that: the right side of the first screw (6) is completely fitted with the left side of the spring washer (7), and the first screw ( 6) Symmetrical with the second screw (8) about the center line of the first pipe interface (5). 4. The optical fiber transmission sealing pipe device according to claim 1, wherein the volume of the spiral nozzle (10) is larger than that of the first sealing strip (9), and the first sealing strip (9) is perpendicular to the Spiral nozzle (10). 5. An optical fiber transmission sealing pipe device according to claim 1, characterized in that: the length of the second sealing strip (11) is the same as the length of the second pipe interface (12), and the second sealing strip ( The right side of 11) fits completely with the left side of the second pipe interface (12). 6 . The optical fiber transmission sealing pipe device according to claim 1 , wherein the structure of the first nut ( 13 ) is the same as that of the second nut ( 15 ), and the first nut ( 13 ) is the same as the second nut ( 15 ). The second nut (15) is symmetrical about the centerline of the third pipe interface (14).