Optical fiber connection assembly for sealing

Abstract

The utility model relates to the technical field of optical fiber communication, in particular to an optical fiber connecting assembly for sealing, which realizes the sealing of a tank body, a flange and the outside by connecting the flange with a flange of the tank body in a sealing ring mode, and simultaneously fixes an optical fiber through a positioning seat, a positioning cover and sealant. The sealing effect is further enhanced, meanwhile, the effect of fixing the optical fiber is achieved, looseness and movement caused by the pressure difference between the interior and the exterior of the tank are avoided, the pressure condition is monitored in the flange in real time through the pressure gauge, and help is provided for normal use of the optical fiber in the industrial environment.

Description

TECHNICAL FIELD

[0001] The utility model relates to optical fiber communication technical field, concretely is a sealed optical fiber connecting assembly. BACKGROUND

[0002] Optical fiber communication has the advantages of large capacity, low loss, small size and light weight, but it also has the disadvantages of being fragile and having poor mechanical strength, which are easily affected by external forces in the use environment. In particular, in industrial environments, many devices need to transmit signals under the condition of pressure difference between the inside and outside of the tank, and the traditional optical fiber connection method usually cannot meet the requirements of signal transmission and sealing at the same time, thereby affecting the normal use of the optical fiber, and once damaged, it needs to be repaired, which has a greater impact on the industrial environment, thus causing potential risks such as instability and high cost.

[0003] Based on the above reasons, the utility model designs a sealed optical fiber connecting assembly, which can better fix the optical fiber under the condition of sealing, avoid the influence of internal and external pressure difference, and evaluate the working stability in advance through real-time monitoring of pressure, thereby reducing the risk of damage. SUMMARY

[0004] The utility model discloses a sealed optical fiber connecting assembly, which can better fix the optical fiber under the condition of sealing, avoid the influence of internal and external pressure difference, and evaluate the working stability in advance through real-time monitoring of pressure, thereby reducing the risk of damage.

[0005] In order to achieve the above purpose, the utility model provides a sealed optical fiber connecting assembly, the flange and the tank flange of A side are fixedly installed through the sealing ring, bolt and nut, the middle part of the flange is fixed with the locating seat on both sides, the air cavity is formed between the locating seat and the flange, the optical fiber passes through the inside of the locating seat, the optical fiber and the inside of the locating seat are filled with the sealing glue, the locating cover is installed at the outer end of the locating seat, the protective cover is installed on the outer side of the locating seat in interference, the tee pipe is installed on the flange, the air cavity formed between the tee pipe and the locating seat, flange is connected, one side of the tee is connected with the pressure gauge, the other side of the tee is connected with the stop valve.

[0006] The optical fiber is distributed along the center of the locating seat.

[0007] The sealing ring is arranged between the tank flange and the flange.

[0008] The locating seat and the flange are welded and connected.

[0009] The outer diameter of the locating seat is smaller than the inner diameter of the tank flange.

[0010] The A side of the air cavity is the pressure measurement, and the B side of the air cavity is the air side.

[0011] Compared with the prior art, the utility model discloses a sealing circle mode connection through the flange and the flange of the tank body itself, realizes the sealing of the tank body, the flange and the outside, and fixes the optical fiber through the positioning seat, the positioning cover and the sealing glue, further strengthens the sealing effect, also plays the role of fixing the optical fiber, avoids the looseness and the movement caused by the pressure difference between the inside and the outside of the tank, and the pressure table is used to monitor the pressure condition in the flange in real time, which provides help for the normal use of the optical fiber in the industrial environment. BRIEF DESCRIPTION OF DRAWINGS

[0012] Fig. 1 It is the cross section schematic view of the utility model.

[0013] Fig. 2 It is the front flange schematic view of the utility model.

[0014] Mark explanation:

[0015] 1 is the stop valve, 2 is the three -way, 3 is the pressure table, 4 is the flange, 5 is the positioning seat, 6 is the positioning cover, 7 is the optical fiber, 8 is the sealing glue, 9 is the protective cover, 10 is the tank flange, 11 is the bolt, 12 is the nut. DETAILED DESCRIPTION

[0016] The utility model will be further described in combination with the drawings.

[0017] See Figs. 1-2 The utility model provides a kind of optical fiber connection assembly for sealing, flange 4 and the tank flange 10 of A side are fixedly installed by sealing ring 13, bolt 11 and nut 12, the middle portion both sides of flange 4 are fixed with positioning seat 5, and air cavity is formed between positioning seat 5 and flange 4, optical fiber 7 passes through inside positioning seat 5, and optical fiber 7 is filled with sealing glue 8 in inside positioning seat 5, positioning cover 6 is installed in the outer end of positioning seat 5, and protective cover 9 is installed with the outer side of positioning seat 5, three-way 2 pipeline is installed on flange 4, and three-way 2 pipeline is connected with the air cavity formed between positioning seat 5 and flange 4, one side of three-way 2 is connected with pressure table 3, and the other side of three-way 2 is connected with stop valve 1.

[0018] Optical fiber 7 is distributed along the center of positioning seat 5.

[0019] Sealing ring 13 is arranged between tank flange 10 and flange 4.

[0020] Positioning seat 5 and flange 4 are weldedly connected.

[0021] The outer diameter of positioning seat 5 is less than the inner diameter of tank flange 10.

[0022] A side of air cavity is pressure measurement, and B side of air cavity is air side.

[0023] Working principle:

[0024] The utility model discloses in using need not too much debugging, welding the positioning seat 5 at the both ends of flange 4, positioning seat 5 stretches into to the inside a distance of flange 4, and the optical fiber 7 is closed after passing the positioning seat 5 of both sides in proper order, and the positioning cover 6 is filled into the gap between positioning seat 5 and optical fiber 7, and then installs the protective cover 9 after sealing glue 8 solidification, and the protective cover 9 and positioning seat 5 interference fit prevent the inside positioning cover 6 from falling off. Subsequently install tee joint 2, pressure gauge 3, stop valve 1 in proper order on the air inlet hole above the air cavity between flange 4 and positioning seat 5, and then close stop valve 1 through stop valve 1, tee joint 2 input external nitrogen, and pressure gauge 3 can monitor the pressure in air cavity in real time at this time, if the pressure gauge appears needle fluctuation, then show that there is the phenomenon of air leakage. Need to make even adjustment.

[0025] The above is only the preferred implementation mode of the utility model, just for helping understanding the method and its core idea of the present application, the protection scope of the utility model is not only limited to the above-mentioned embodiments, and all technical solutions under the idea of the utility model belong to the protection scope of the utility model. It should be noted that for ordinary skilled person in the art, some improvements and decorations without departing from the principle of the utility model, these improvements and decorations should also be considered as the protection scope of the utility model.

[0026] In the description of the utility model, it is necessary to explain that the orientation or position relation indicated by the terms "upper", "lower", "inner", "outer" and the like is the orientation or position relation based on the orientation or position relation shown in the drawing, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, cannot be understood as the limitation of the utility model.

[0027] The utility model solves the problem that the traditional optical fiber connection mode in the prior art cannot adapt to the pressure difference in industrial environment from the whole, and guarantees the working stability of optical fiber under the pressure difference in industrial environment by fixing and sealing the optical fiber connection part multiple times and monitoring the pressure at the connection part in real time.

Claims

1. A sealing optical fiber connection assembly, characterized in that, The flange (4) is fixedly installed with the tank flange (10) on the A side through the sealing ring (13), the bolt (11) and the nut (12), the middle part of the flange (4) is fixed with the positioning seat (5) on both sides, the positioning seat (5) and the flange (4) form the air cavity, the inside of the positioning seat (5) passes through the optical fiber (7), the optical fiber (7) and the inside of the positioning seat (5) are filled with the sealing glue (8), the outer end of the positioning seat (5) is installed with the positioning cover (6), the outer side of the positioning seat (5) is installed with the protection cover (9) in an interference fit, the flange (4) is installed with the tee (2) pipeline, the tee (2) pipeline is connected with the air cavity formed between the positioning seat (5) and the flange (4), one side of the tee (2) is connected with the pressure gauge (3), the other side of the tee (2) is connected with the stop valve (1).

2. The sealed fiber optic connector assembly of claim 1, wherein, The optical fiber (7) is distributed along the center of the positioning seat (5).

3. The sealed fiber optic connector assembly of claim 1, wherein, The sealing ring (13) is arranged between the tank flange (10) and the flange (4).

4. The sealed fiber optic connector assembly of claim 1, wherein, The positioning seat (5) is welded with the flange (4).

5. The sealed fiber optic connector assembly of claim 4, wherein, The outer diameter of the positioning seat (5) is smaller than the inner diameter of the tank flange (10).

6. The sealed fiber optic connector assembly of claim 1, wherein, The A side of the air cavity is pressure measurement, and the B side of the air cavity is the air side.

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