CN213986950U - Optical fiber penetrating device - Google Patents
Optical fiber penetrating device Download PDFInfo
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- CN213986950U CN213986950U CN202120174791.5U CN202120174791U CN213986950U CN 213986950 U CN213986950 U CN 213986950U CN 202120174791 U CN202120174791 U CN 202120174791U CN 213986950 U CN213986950 U CN 213986950U
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- penetration
- penetration device
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Abstract
The utility model discloses an optical fiber penetration device, which comprises a penetration pipeline, wherein base flanges are arranged at two ends of the penetration pipeline, and the penetration flange is connected with the base flanges; the penetration flange forms a plurality of optical fiber access holes, a plurality of energy optical fibers sequentially penetrate through the corresponding optical fiber access holes, a sealing assembly is arranged between the energy optical fibers and the optical fiber access holes, and the energy optical fibers extending out of the sealing assembly are externally sleeved with the same optical fiber protective pipe sleeve. The utility model discloses when guaranteeing that cable or optic fibre pass through two dangerous grades inequality regions, two regions do not take place the atmosphere exchange each other, guarantee the gas tightness of two regional self completions, guarantee cable or optic fibre simultaneously and arrange neatly orderly, effectively protect the fibre core can not break.
Description
Technical Field
The utility model belongs to run through sealed field, concretely relates to optic fibre runs through device.
Background
The process laboratory divides red, orange and green areas in sequence according to different radiation dose degrees, so that the danger grades of two adjacent areas are different. When cables or optical fibers need to penetrate through two adjacent areas, because the pressure difference between a clean area and a non-clean area in a laboratory is more than 10Pa, a penetration sealing method is needed to ensure that the atmospheres of the two areas are not exchanged, and the complete air tightness of the two areas is ensured, so that the need of designing a high-power optical fiber penetrating device is needed to overcome the above requirement.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a overcome the shortcoming that exists among the prior art and propose, its purpose provides an optic fibre and runs through device.
The utility model discloses a realize through following technical scheme:
an optical fiber penetration device comprises a penetration pipeline, wherein base flanges are arranged at two ends of the penetration pipeline, and the penetration flange is connected with the base flanges; the penetration flange forms a plurality of optical fiber access holes, a plurality of energy optical fibers sequentially penetrate through the corresponding optical fiber access holes, a sealing assembly is arranged between the energy optical fibers and the optical fiber access holes, and the energy optical fibers extending out of the sealing assembly are externally sleeved with the same optical fiber protective pipe sleeve.
In the technical scheme, the through pipeline is embedded in a wall shared by two adjacent areas, and two ends of the through pipeline extend out of the wall.
In the above technical solution, the optical fiber access holes are all communicated with the through pipe.
In the above technical solution, the optical fiber access hole is a stepped hole.
In the technical scheme, the sealing assembly comprises a sealing base arranged in the small-diameter end of the optical fiber access hole and a sealing press ring arranged in the large-diameter end of the optical fiber access hole, and a No. II sealing ring is arranged between the sealing base and the sealing press ring.
In the technical scheme, an annular groove is formed in the outer wall of the sealing base, and a No. I sealing ring is arranged in the groove.
In the above technical scheme, the sealing base is cylindrical, one end of the sealing base extends out of the through flange, and the end of the sealing base, which is far away from the flange of the base, forms a slot.
In the above technical scheme, the sealing press ring is in a stepped shaft shape, the small-diameter end of the sealing press ring is inserted into the slot of the base flange, and the bottom surface of the large-diameter end is tightly attached to the bottom of the large-diameter end of the optical fiber access hole.
In the above technical scheme, the number II sealing ring is arranged in the slot.
In the technical scheme, the sealing base is in clearance fit with the small-diameter end of the optical fiber access hole.
The utility model has the advantages that:
the utility model provides an optic fibre runs through device guarantees that cable or optic fibre pass through when two dangerous level are inequality regions, and two regions do not take place the atmosphere exchange each other, guarantee the complete gas tightness of two regions self, guarantee simultaneously that cable or optic fibre arrange neatly orderly, effectively protect the fibre core can not break.
Drawings
Fig. 1 is a schematic view of an assembly structure of an optical fiber penetration device according to the present invention;
fig. 2 is a side view of an optical fiber penetration apparatus of the present invention;
fig. 3 is a schematic view of an assembly structure of a sealing assembly in an optical fiber penetration apparatus according to the present invention.
Wherein:
1 through pipe
2 base flange
3 penetration flange
4 sealing assembly
5 optical fiber protective sleeve
6 energy optical fiber
7 wall body
41 sealed base
42 sealing press ring
No. 43I sealing ring
No. 44 II seal ring.
For a person skilled in the art, other relevant figures can be obtained from the above figures without inventive effort.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution of the present invention is further described below by referring to the drawings of the specification and the specific embodiments.
As shown in fig. 1 and 2, an optical fiber penetration device comprises a penetration pipeline 1, base flanges 2 are arranged at two ends of the penetration pipeline, and a penetration flange 3 is connected with the base flanges 2; a plurality of optical fiber access holes are formed in the penetration flange 3, a plurality of energy optical fibers 6 sequentially penetrate through the corresponding optical fiber access holes, a sealing component 4 is arranged between the energy optical fibers 6 and the optical fiber access holes, and the energy optical fibers 6 extending out of the sealing component 4 are externally sleeved with the same optical fiber protection pipe sleeve 5. Ten energy optical fibers 6 are provided in this embodiment.
The through pipeline 1 is pre-embedded in a wall 7 shared by two adjacent areas, and two ends of the through pipeline extend out of the wall 7.
The optical fiber access holes are all communicated with the through pipeline 1.
The fiber access hole is a stepped hole.
As shown in fig. 3, the sealing assembly 4 includes a sealing base 41 disposed in the small diameter end of the optical fiber access hole and a sealing press ring 42 disposed in the large diameter end of the optical fiber access hole, and a No. ii sealing ring 44 is disposed between the sealing base 41 and the sealing press ring 42.
The outer wall of the sealing base 41 forms an annular groove, and a No. I sealing ring 43 is arranged in the groove.
The sealing base 41 is cylindrical, one end of the sealing base extends out of the through flange 3, and the end of the sealing base, which is far away from the base flange 2, forms a slot.
The sealing press ring 42 is in a stepped shaft shape, the small-diameter end of the sealing press ring is inserted into the slot of the base flange 2, and the bottom surface of the large-diameter end is tightly attached to the bottom of the large-diameter end of the optical fiber access hole.
The number ii seal ring 44 is disposed in the slot.
The sealing base 41 is in clearance fit with the small diameter end of the optical fiber access hole.
The optical fiber protective pipe sleeve 5 is a stainless steel corrugated pipe with a large diameter, and when the optical fiber naturally sags, the turning radius R of the optical fiber protective pipe sleeve is more than or equal to 50 mm.
After all parts are installed, vacuum sealing grease is filled in assembly gaps, the sealing grease has the characteristics of high and low temperature resistance, good sealing performance, oxidation resistance, strong stability and the like, and the air tightness of two penetrated areas is further guaranteed.
No. I sealing washer 43 and No. II sealing washer 44 are for adopting the O type circle of fluorine rubber material, and fluorine rubber material has resistant irradiation's key characteristic, and suitable sealing medium is the air.
The utility model discloses after the device processing is accomplished, need do to suppress the test to the device leakproofness. And after the welding of the base flange and the through pipeline is finished, an integral pressing test is carried out, the pressing is 0.2 MPa-0.3 MPa, the pressure is maintained for 20min, the pressure drop is less than 0.05MPa, and the pressing medium is air.
The sealing of this application is realized carrying out axle, radial extrusion to No. I sealing washer 43 and No. II sealing washer 44.
The utility model discloses a working process:
and (3) after all 10 sealing components with energy optical fibers are arranged on the through flange, arranging the through flange on the pre-embedded base flange, and after the installation is confirmed to be firm, arranging an optical fiber protective pipe sleeve to ensure that the turning radius is more than or equal to 50mm when the optical fibers naturally droop. And filling vacuum grease sealing at the assembly gap to ensure the air tightness of the two regions.
The utility model provides an optic fibre runs through device guarantees that cable or optic fibre pass through when two dangerous level are inequality regions, and two regions do not take place the atmosphere exchange each other, guarantee the complete gas tightness of two regions self, guarantee simultaneously that cable or optic fibre arrange neatly orderly, effectively protect the fibre core can not break.
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "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 used merely for convenience of description and for 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. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The applicant states that the above description is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and those skilled in the art should understand that any changes or substitutions easily conceivable by those skilled in the art within the technical scope of the present invention are within the protection scope and the disclosure scope of the present invention.
Claims (10)
1. An optical fiber penetration device, comprising: the pipeline comprises a through pipeline (1), wherein base flanges (2) are arranged at two ends of the through pipeline, and a through flange (3) is connected with the base flanges (2); the penetration flange (3) forms a plurality of optical fiber access holes, a plurality of energy optical fibers (6) sequentially penetrate through the corresponding optical fiber access holes, a sealing component (4) is arranged between the energy optical fibers (6) and the optical fiber access holes, and the energy optical fibers (6) extending out of the sealing component (4) are externally sleeved with the same optical fiber protection pipe sleeve (5).
2. The fiber optic penetration device of claim 1, wherein: the through pipeline (1) is pre-buried in a wall body (7) shared by two adjacent regions, and two ends of the through pipeline extend out of the wall body (7).
3. The fiber optic penetration device of claim 1, wherein: the optical fiber access holes are communicated with the through pipeline (1).
4. The fiber optic penetration device of claim 1, wherein: the fiber access hole is a stepped hole.
5. The fiber optic penetration device of claim 1, wherein: sealing assembly (4) are including setting up sealing base (41) in optic fibre access hole aperture footpath end and setting up in sealed clamping ring (42) in optic fibre access hole aperture footpath end, set up No. II sealing washer (44) between sealing base (41) and the sealed clamping ring (42).
6. The fiber optic penetration device of claim 5, wherein: the outer wall of the sealing base (41) forms an annular groove, and a No. I sealing ring (43) is arranged in the groove.
7. The fiber optic penetration device of claim 5, wherein: the sealing base (41) is cylindrical, one end of the sealing base extends out of the through flange (3), and a slot is formed in the end, far away from the base flange (2), of the sealing base.
8. The fiber optic penetration device of claim 5, wherein: the sealing compression ring (42) is in a stepped shaft shape, the small-diameter end of the sealing compression ring is inserted into the slot of the base flange (2), and the bottom surface of the large-diameter end is tightly attached to the bottom of the large-diameter end of the optical fiber access hole.
9. The fiber optic penetration device of claim 5, wherein: no. II sealing washer (44) set up in the slot.
10. The fiber optic penetration device of claim 7, wherein: the sealing base (41) is in clearance fit with the small-diameter end of the optical fiber access hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120174791.5U CN213986950U (en) | 2021-01-22 | 2021-01-22 | Optical fiber penetrating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120174791.5U CN213986950U (en) | 2021-01-22 | 2021-01-22 | Optical fiber penetrating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213986950U true CN213986950U (en) | 2021-08-17 |
Family
ID=77251920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120174791.5U Active CN213986950U (en) | 2021-01-22 | 2021-01-22 | Optical fiber penetrating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213986950U (en) |
-
2021
- 2021-01-22 CN CN202120174791.5U patent/CN213986950U/en active Active
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