CN208766361U

CN208766361U - A kind of water proof type optical fiber

Info

Publication number: CN208766361U
Application number: CN201821498071.9U
Authority: CN
Inventors: 陈圣坪; 郑立波
Original assignee: Shenzhen Huichengyang Science And Technology Development Co Ltd
Current assignee: Shenzhen Huichengyang Science And Technology Development Co Ltd
Priority date: 2018-09-13
Filing date: 2018-09-13
Publication date: 2019-04-19
Anticipated expiration: 2028-09-13

Abstract

The utility model relates to technical field of optical fiber, in particular a kind of water proof type optical fiber, including fiber body, fiber body is disposed with fibre core from the inside to the outside, covering, Hermetic coating layer, interior coat and outer coat, sealing device is provided on the outside of fiber body, sealing device includes bottom cover, top cover, sealing ring and sealing shroud, bottom groove is offered in bottom cover, bottom grooving is offered at the inner wall of bottom groove, the left and right ends edge of bottom groove is equipped with undercutting item, the top of bottom cover offers annular groove, the tip edges of bottom cover offer several via holes, fixing bolt is provided in via hole, top groove is offered in top cover, it pushes up and offers top cover slot at the inner wall of groove, the left and right ends edge for pushing up groove is equipped with top slitting, several threaded holes are offered at the bottom edge of top cover, the water proof type optical fiber, pass through optical fiber after fusing The sealing device of main body weld installation, protects sealing device to the weld of fiber body, prevents the entrance of moisture.

Description

A kind of water proof type optical fiber

Technical field

The utility model relates to technical field of optical fiber, specially a kind of water proof type optical fiber.

Background technique

Optical fiber is writing a Chinese character in simplified form for optical fiber, is a kind of fiber made of glass or plastics, can be used as light conduction tool, Transmission principle is the total reflection of light, and optical fiber needs specific soldering appliance to carry out welding to optical fiber after being surprisingly cut off, Since the weld of optical fiber after fusing is in exposed state, being easily accessible moisture makes optical fiber that hydrolysis corrosion occur, and be easy to cause The fracture of optical fiber, in consideration of it, it is proposed that a kind of water proof type optical fiber.

Utility model content

The purpose of this utility model is to provide a kind of water proof type optical fiber, with solve it is mentioned above in the background art due to Optical fiber is in exposed state in the weld of welding, and being easily accessible moisture makes optical fiber that hydrolysis corrosion occur, and be easy to cause optical fiber The problem of fracture.

To achieve the above object, the utility model provides the following technical solutions:

A kind of water proof type optical fiber, including fiber body, the fiber body be disposed with from the inside to the outside fibre core, covering, Hermetic coating layer, interior coat and outer coat, the fiber body outside are provided with sealing device, the sealing device packet Include be located at the fiber body below bottom cover, the top cover above the fiber body, be installed on it is close in the bottom cover Seal and the sealing shroud being socketed on the outside of the fiber body, offer bottom groove in the bottom cover, the bottom groove it is interior Bottom grooving is offered at wall, the left and right ends edge of the bottom groove is equipped with undercutting item, and the top of the bottom cover offers Annular groove, the tip edges of the bottom cover offer several via holes, and fixing bolt is provided in the via hole, is opened in the top cover Equipped with top groove, top cover slot is offered at the inner wall of the top groove, the left and right ends edge of the top groove is equipped with top It cuts, offers several threaded holes at the bottom edge of the top cover.

Preferably, the covering is that quartz material is filled, and the fibre core is wrapped in interior, the sealing by the covering Coat is that carbon Hermetic coating forms, and the covering is wrapped in interior by the Hermetic coating layer.

Preferably, the interior coat is made of acrylate material, and the interior coat is by the Hermetic coating layer packet In being rolled in, the outer coat is made of nylon material, and the interior coat is wrapped in interior by the outer coat.

Preferably, the left and right ends of the bottom cover are connected by the bottom groove, and the bottom groove is half cylindrical structure, The bottom grooving is opened on the bottom wall of the bottom groove, and the shape of the bottom grooving is adapted with the shape of the sealing shroud.

Preferably, four corners on the bottom cover top are equipped with pin.

Preferably, the shape of the top cover is identical as the shape of the bottom cover, and the shape of the top groove and the bottom are recessed The shape of slot is identical and position in correspondence with each other, the shape of the top cover slot is identical as the shape of the bottom grooving and position is mutually opposite It answers, the top cuts and position identical as the undercutting shape of item in correspondence with each other.

Preferably, four corners of the top cover bottom end offer pin hole, the shape of the pin hole and the pin It is adapted, the pin hole is equal with the quantity of the pin and position corresponds.

Preferably, the threaded hole is equal with the quantity of the via hole and position corresponds, the screw thread of the threaded hole Shape is adapted with the thread shape of the fixing bolt.

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

The water proof type optical fiber, the sealing device installed by fiber body weld after fusing, makes sealing device pair The weld of fiber body is protected, and the entrance of moisture is prevented, and is solved and is in exposure in the junction of welding due to optical fiber State, being easily accessible moisture makes optical fiber that hydrolysis corrosion, and generation the problem of cause fibercuts occur.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of fiber body in the utility model；

Fig. 2 is the scheme of installation of sealing device in the utility model；

Fig. 3 is the structural schematic diagram of bottom cover in the utility model；

Fig. 4 is the structural schematic diagram of top cover in the utility model；

Fig. 5 is the scheme of installation of sealing shroud in the utility model.

In figure: 1, fiber body；11, fibre core；12, covering；13, Hermetic coating layer；14, interior coat；15, outer coating Layer；2, sealing device；21, bottom cover；211, bottom groove；212, bottom grooving；213, item is undercut；214, annular groove；215, pin；216, Via hole；22, top cover；221, groove is pushed up；222, top cover slot；223, top slitting；224, pin hole；225, threaded hole；226, gasket； 23, sealing ring；24, sealing shroud；25, fixing bolt.

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.

In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise " be based on the orientation or positional relationship shown in the drawings, be only for Convenient for description the utility model and simplify description, rather than the equipment of indication or suggestion meaning or element must have specifically Orientation is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.

Embodiment 1

A kind of water proof type optical fiber, as shown in Figure 1, including fiber body 1, fiber body 1 is disposed with fibre from the inside to the outside Core 11, covering 12, Hermetic coating layer 13, interior coat 14 and outer coat 15.

In the present embodiment, covering 12 is that quartz material is filled, and fibre core 11 is wrapped in interior, Hermetic coating layer by covering 12 13 form for carbon Hermetic coating, and Hermetic coating layer 13 can increase in being wrapped in covering 12 to avoid fibre loss caused by moisture Sum it up strength retrogression.

Specifically, interior coat 14 is made of acrylate material, in Hermetic coating layer 13 is wrapped in by interior coat 14, Outer coat 15 is made of nylon material, and interior coat 14 is wrapped in interior by outer coat 15.

Embodiment 2

In concrete operations, since optical fiber is in exposed state in the junction of welding, being easily accessible moisture sends out optical fiber The corrosion of unboiled water solution, be easy to cause the fracture of optical fiber, therefore, sealing device 2 is provided on the outside of fiber body 1, as a kind of excellent Embodiment is selected, as shown in Fig. 2, Fig. 3, Fig. 4 and Fig. 5, sealing device 2 includes positioned at the bottom cover 21 of 1 lower section of fiber body, positioned at light The top cover 22 of fine 1 top of main body, the sealing ring 23 being installed in bottom cover 21 and the sealing shroud for being socketed on 1 outside of fiber body 24, bottom groove 211 is offered in bottom cover 21, and bottom grooving 212, the left and right two of bottom groove 211 are offered at the inner wall of bottom groove 211 Undercutting item 213 is equipped at end margin, the top of bottom cover 21 offers annular groove 214, if the tip edges of bottom cover 21 offer Dry via hole 216 is provided with fixing bolt 25 in via hole 216, offers top groove 221 in top cover 22, at the inner wall for pushing up groove 221 Top cover slot 222 is offered, the left and right ends edge of top groove 221 is equipped with top slitting 223, opens at the bottom edge of top cover 22 Equipped with several threaded holes 225.

In the present embodiment, the shape of top cover 22 is identical as the shape of bottom cover 21, pushes up the shape and bottom groove 211 of groove 221 Shape is identical and position in correspondence with each other, the shape of top cover slot 222 is identical as the shape of bottom grooving 212 and position in correspondence with each other, Top slitting 223 with undercut that the shape of item 213 is identical and position in correspondence with each other.

Specifically, the left and right ends of bottom cover 21 are connected by bottom groove 211, bottom groove 211 is half cylindrical structure, bottom set Slot 212 is opened on the bottom wall of bottom groove 211, and the shape of bottom grooving 212 is adapted with the shape of sealing shroud 24, and 24 sets of sealing shroud It is connected in bottom grooving 212.

Further, four corners on 21 top of bottom cover are equipped with pin 215.

In addition, the top of 214 approach bottom cover 21 of annular groove and the bottom wall of bottom groove 211 and sealing structure is joined end to end into, Sealing ring 23 is installed in annular groove 214, and the depth of annular groove 214 is less than the thickness of sealing ring 23, and sealing ring 23 is made to be installed on annular groove When in 214, the top of sealing ring 23 protrudes from the top of annular groove 214, is reached by 23 top of sealing ring with the contact of top cover 22 The purpose of sealing.

Further, four corners of 22 bottom end of top cover offer pin hole 224, the shape of pin hole 224 and pin 215 It is adapted, pin hole 224 is equal with the quantity of pin 215 and position corresponds, by the way that the pin 215 on bottom cover 21 is distinguished one Bottom cover 21 and top cover 22 can be stitched together by one alignment pin holes 224, when bottom cover 21 and top cover 22 are spliced into 2 entirety of sealing device When, top slitting 223 cuts the outer coat 15 in fiber body 1 with undercutting item 213, and fiber body 1 is made to be fixed on sealing device 2 It is interior, prevent the slippage of fiber body 1.

Specifically, pushing up the both ends of groove 221 and being bonded with made of silica gel material positioned at the inner side of top slitting 223 Gasket 226, the position of gasket 226 is corresponding with positioned at the position of annular groove 214 at 211 position of bottom groove, makes gasket 226 and sealing It encloses 23 pairs of fiber bodies 1 to wrap up, to form sealing structure.

Further, threaded hole 225 is equal with the quantity of via hole 216 and position corresponds, the screw thread shape of threaded hole 225 Shape is adapted with the thread shape of fixing bolt 25, by by the end of fixing bolt 25 from via hole 216 pass through and and screw thread Hole 225 is threadedly coupled, and bottom cover 21 is made to be fixed together with top cover 22.

Sealing shroud 24 when in use, is socketed in outside broken fiber body 1 by the water proof type optical fiber of the utility model first Side, then carry out welding to fiber body 1 makes to seal after welding by the weld that sealing shroud 24 is allocated to fiber body 1 Set 24 wraps up weld, and the top cover slot 222 on the bottom grooving 212 and top cover 22 on top cover 22 is then directed at sealing respectively By the pin 215 on bottom cover 21, bottom cover 21 and top cover 22 can be stitched together by alignment pin holes 224 one by one respectively after set 24, at this time Top slitting 223 cuts the outer coat 15 in fiber body 1 with undercutting item 213, is fixed on fiber body 1 in sealing device 2, The slippage of fiber body 1 is prevented, finally pass through the end of fixing bolt 25 from via hole 216 and is connected with 225 screw thread of threaded hole It connects, bottom cover 21 is made to be fixed together with top cover 22, in bottom cover 21 and top cover 22 under the extruding of sealing ring 23 and in gasket 226 With sealing ring 23 under the extruding of fiber body 1, making the weld of fiber body 1 form the environment of opposing seal, moisture is prevented Into.

Basic principles, main features, and advantages of the present invention has been shown and described above.Current row The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments Be only the utility model preference, be not intended to limit the utility model, do not departing from the spirit and scope of the utility model Under the premise of, the utility model also has various changes and improvements, these changes and improvements both fall within claimed it is practical In novel range.The protection scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. a kind of water proof type optical fiber, including fiber body (1), it is characterised in that: the fiber body (1) successively sets from the inside to the outside It is equipped with fibre core (11), covering (12), Hermetic coating layer (13), interior coat (14) and outer coat (15), the optical fiber master It is provided with sealing device (2) on the outside of body (1), the sealing device (2) includes the bottom cover below the fiber body (1) (21), it is located at the top cover (22) above the fiber body (1), the sealing ring (23) being installed in the bottom cover (21) and set The sealing shroud (24) being connected on the outside of the fiber body (1), the bottom cover (21) is interior to offer bottom groove (211), and the bottom is recessed It is offered at the inner wall of slot (211) bottom grooving (212), the left and right ends edge of the bottom groove (211) is equipped with undercutting item (213), the top of the bottom cover (21) offers annular groove (214), and the tip edges of the bottom cover (21) offer several mistakes Hole (216) is provided with fixing bolt (25) in the via hole (216), and top groove (221), institute are offered in the top cover (22) It states and is offered top cover slot (222) at the inner wall on top groove (221), the left and right ends edge of top groove (221) is equipped with Top cuts (223), offers several threaded holes (225) at the bottom edge of the top cover (22).

2. water proof type optical fiber according to claim 1, it is characterised in that: the covering (12) be quartz material fill and In being wrapped in the fibre core (11) at, the covering (12), the Hermetic coating layer (13) is that carbon Hermetic coating forms, described The covering (12) is wrapped in interior by Hermetic coating layer (13).

3. water proof type optical fiber according to claim 1, it is characterised in that: the interior coat (14) is acrylate material It is made, in the Hermetic coating layer (13) is wrapped in by the interior coat (14), the outer coat (15) is nylon material It is made, the interior coat (14) is wrapped in interior by the outer coat (15).

4. water proof type optical fiber according to claim 1, it is characterised in that: the bottom groove (211) is by the bottom cover (21) Left and right ends be connected, the bottom groove (211) be half cylindrical structure, it is recessed that the bottom grooving (212) is opened in the bottom On the bottom wall of slot (211), the shape of the bottom grooving (212) is adapted with the shape of the sealing shroud (24).

5. water proof type optical fiber according to claim 1, it is characterised in that: four corners on bottom cover (21) top are equal Equipped with pin (215).

6. water proof type optical fiber according to claim 1, it is characterised in that: the shape of the top cover (22) and the bottom cover (21) shape is identical, and the shape of top groove (221) is identical as the shape of the bottom groove (211) and position is mutually opposite Answer, the shape of the top cover slot (222) is identical as the shape of the bottom grooving (212) and position in correspondence with each other, the top slitting (223) and position identical as the undercutting shape of item (213) be in correspondence with each other.

7. water proof type optical fiber according to claim 5, it is characterised in that: four corners of top cover (22) bottom end are equal Offer pin hole (224), the pin hole (224) is adapted with the shape of the pin (215), the pin hole (224) with it is described The quantity of pin (215) is equal and position corresponds.

8. water proof type optical fiber according to claim 1, it is characterised in that: the threaded hole (225) and the via hole (216) Quantity is equal and position corresponds, the thread shape of the threaded hole (225) and the screw thread shape of the fixing bolt (25) Shape is adapted.