CN218272848U - Optical cable sealing device - Google Patents
Optical cable sealing device Download PDFInfo
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- CN218272848U CN218272848U CN202222635855.4U CN202222635855U CN218272848U CN 218272848 U CN218272848 U CN 218272848U CN 202222635855 U CN202222635855 U CN 202222635855U CN 218272848 U CN218272848 U CN 218272848U
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- optical cable
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Abstract
The utility model relates to an optical cable sealing device, including the first sealing joint, the second sealing joint and the sealed tube that connect gradually, the optical cable passes in proper order place in behind first sealing joint and the second sealing joint in the sealed tube, first sealing joint is provided with first cutting ferrule and is used for pressing from both sides tight optical cable skin, the second sealing joint is provided with the second cutting ferrule and is used for pressing from both sides tight optical cable inlayer, first sealing joint with between the second sealing joint with equal sealing connection between the sealed tube. The utility model discloses a set up first sealed head, the sealed head of second and sealed tube sealing connection optical cable, utilize the terminal optic fibre return circuit of sealed tube protection optical cable not damaged, the leakproofness is good, utilizes first cutting ferrule, second cutting ferrule respectively to press from both sides the skin and the inlayer of tight optical cable moreover, can prevent that the optical cable from gliding, avoids influencing optic fibre return circuit.
Description
Technical Field
The utility model relates to an optical cable sealing technique field, in particular to optical cable sealing device.
Background
Logging is an indispensable important link in the process of petroleum exploration and development, and can obtain various petroleum geology and engineering technical data as the original data for well completion and oil field development.
The optical cable is mainly applied to logging, geological surveying, geothermal logging and other occasions of various oil and gas wells and is used as a cable for signal transmission and communication connection of underground sensing equipment and measuring instruments. In the process of logging operation, the splicing of two optical cables and the welding of the tail end of a bottom optical fiber are often needed, but the optical fiber is exposed outside after fusion splicing at present and is easy to damage to influence use, and a steel pipe in the optical cable is easy to slide down to influence the arrangement of the optical fiber loop.
Therefore, the prior art has yet to be developed.
SUMMERY OF THE UTILITY MODEL
In view of the foregoing disadvantages of the prior art, an object of the present invention is to provide an optical cable sealing device, which is used for sealing an optical cable and preventing the optical cable from sliding down.
In order to achieve the above object, the present invention provides the following technical solutions:
the utility model provides an optical cable sealing device, including the first sealing joint, the second sealing joint and the sealed tube that connect gradually, the optical cable passes in proper order place behind first sealing joint and the second sealing joint in the sealed tube, first sealing joint is provided with first cutting ferrule and is used for pressing from both sides tight optical cable skin, the second sealing joint is provided with the second cutting ferrule and is used for pressing from both sides tight optical cable inlayer, first sealing joint with between the second sealing joint with equal sealing connection between the sealed tube.
Further, a threaded connection is provided between the first sealing joint and the second sealing joint and/or between the second sealing joint and the sealing tube.
Further, a first external thread is arranged at the lower end of the first sealing joint, a first internal thread is arranged at the upper end of the second sealing joint, and the first external thread and the first internal thread are matched to fix the first sealing joint and the second sealing joint;
the lower end of the second sealing joint is provided with a second external thread, the upper end of the sealing pipe is provided with a second internal thread, and the second external thread is matched with the second internal thread to fix the first sealing joint and the second sealing joint.
Furthermore, the first sealing joint is connected with the second sealing joint in a sealing mode and/or the second sealing joint is connected with the sealing pipe in a sealing mode through a plurality of first sealing rings.
Furthermore, a plurality of second sealing rings are arranged in the upper end of the first sealing joint.
Further, the inner wall of the second sealing joint is provided with a conical surface, the first clamping sleeve is of a conical structure, and the first clamping sleeve is abutted to the conical surface.
Further, the second ferrule is threadedly connected to the second sealing joint.
Furthermore, the sealing tube is of a hollow pipeline structure, and the lower end of the sealing tube is connected with a plug in a sealing mode.
Further, the plug is in threaded connection with the sealing pipe.
Furthermore, the plug is connected with the sealing pipe in a sealing mode through a third sealing ring.
The utility model discloses beneficial effect that technical scheme has:
the utility model discloses a set up first sealed head, the sealed head of second and sealed tube sealing connection optical cable, utilize the terminal optic fibre return circuit of sealed tube protection optical cable not damaged, the leakproofness is good, utilizes first cutting ferrule, second cutting ferrule to press from both sides the skin and the inlayer of tight optical cable respectively moreover, can prevent that the optical cable from gliding, avoids influencing optic fibre return circuit.
Drawings
Fig. 1 is a schematic cross-sectional view of the present invention;
fig. 2 is a schematic cross-sectional view of the optical cable according to the present invention.
Description of reference numerals:
100-optical cable sealing device, 10-first sealing joint, 11-first cutting sleeve, 12-second sealing ring, 20-second sealing joint, 21-second cutting sleeve, 30-sealing pipe, 31-plug, 32-third sealing ring, 40-first sealing ring, 200-optical cable, 201-outer layer, 202-inner layer and 203-optical fiber loop.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the specific embodiments described herein are only used for explaining the present invention, and are not used for limiting the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, back, 8230; \8230;) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "connected" may be a fixed connection or a removable connection, or may be integral therewith; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.
The optical cable 200 comprises an outer layer 201, an inner layer 202 and optical fibers, the optical fibers at the end of the optical cable 200 can be welded into an optical fiber loop 203, and the outer layer 201 and the inner layer 202 can adopt a steel pipe structure.
Referring to fig. 1 and 2, the present invention provides an optical cable sealing device 100, which includes a first sealing joint 10, a second sealing joint 20 and a sealing tube 30 connected in sequence, wherein an optical cable 200 is placed in the sealing tube 30 after passing through the first sealing joint 10 and the second sealing joint 20 in sequence.
The first sealing joint 10 is provided with a first ferrule 11 for clamping the outer layer 201 of the optical cable 200, and the second sealing joint 20 is provided with a second ferrule 21 for clamping the inner layer 202 of the optical cable 200, so that the optical cable 200 can be prevented from slipping down, and the influence on the exposed optical fiber is avoided.
After the optical fibers at the tail end of the optical cable 200 are welded into the optical fiber loop 203, the optical fibers are placed in the sealing tube 30, the first sealing joint 10 and the second sealing joint 20 are connected in a sealing mode, and the second sealing joint 20 and the sealing tube 30 are connected in a sealing mode, so that the optical fiber loop 203 at the tail end of the optical cable 200 can be protected from being damaged, multiple sealing is achieved, and sealing performance is good.
Because the optical fiber loop 203 is welded at the tail end of the optical cable 200, the optical fiber loop 203 can be stably fixed when the optical cable 200 is placed in the sealing tube 30, the situation that the welded optical fiber loop 203 is violently swung in the process of descending the optical cable 200 into the well to cause desoldering and the like is prevented, and the problem of welding the optical fiber loop 203 at the tail end of the optical cable 200 is solved.
In the present embodiment, the first sealing joint 10 and the second sealing joint 20 and/or the second sealing joint 20 and the sealing pipe 30 are connected by screw threads, so that the installation and the disassembly are convenient.
As an embodiment, a lower end of the first sealing joint 10 is provided with a first external thread, an upper end of the second sealing joint 20 is provided with a first internal thread, and the first external thread and the first internal thread are matched to fix the first sealing joint 10 and the second sealing joint 20;
the lower extreme of second sealing joint 20 is provided with the second external screw thread, the upper end of sealed tube 30 is provided with the second internal thread, the second external screw thread with the cooperation of second internal thread is fixed first sealing joint 10 with second sealing joint 20, easy to assemble and dismantlement.
In the present embodiment, the first seal joint 10 and the second seal joint 20 and/or the second seal joint 20 and the seal pipe 30 are sealingly connected by the plurality of first seal rings 40, so that the sealing performance can be improved.
Further, a plurality of second sealing rings 12 are arranged in the upper end of the first sealing joint 10 to strengthen external sealing.
Specifically, the inner wall of the second sealing joint 20 is provided with a conical surface, the first sleeve 11 is of a conical structure, and the first sleeve 11 abuts against the conical surface to fix the first sleeve 11 without sliding down.
As an embodiment, the second ferrule 21 is screwed with the second sealing joint 20, so that the installation and the removal are convenient.
In this embodiment, the sealing tube 30 is a hollow pipe structure, so as to facilitate the placement of the optical fiber loop 203, and the lower end of the sealing tube 30 is connected with a plug 31 in a sealing manner; the plug 31 is in threaded connection with the sealing pipe 30, and is convenient to install and disassemble.
Furthermore, the plug 31 and the sealing tube 30 are connected in a sealing manner through a third sealing ring 32, so that the sealing performance is improved.
The above embodiments of the present invention are merely examples for clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. Not all embodiments are exhaustive. All obvious changes or variations led out by the technical scheme of the utility model are still in the protection scope of the utility model.
Claims (10)
1. The utility model provides an optical cable sealing device, its characterized in that, is including the first sealing joint, the second sealing joint and the sealed tube that connect gradually, and the optical cable passes in proper order place behind first sealing joint and the second sealing joint in the sealed tube, first sealing joint is provided with first cutting ferrule and is used for pressing from both sides tight optical cable skin, the second sealing joint is provided with the second cutting ferrule and is used for pressing from both sides tight optical cable inlayer, first sealing joint with between the second sealing joint with equal sealing connection between the sealed tube.
2. The fiber optic cable sealing arrangement of claim 1, wherein a threaded connection is provided between the first sealing joint and the second sealing joint and/or between the second sealing joint and the sealing tube.
3. The cable sealing device of claim 2, wherein a lower end of the first sealing joint is provided with a first external thread and an upper end of the second sealing joint is provided with a first internal thread, the first external thread and the first internal thread cooperating to secure the first sealing joint and the second sealing joint;
the lower end of the second sealing joint is provided with a second external thread, the upper end of the sealing pipe is provided with a second internal thread, and the second external thread is matched with the second internal thread to fix the first sealing joint and the second sealing joint.
4. The cable sealing device according to claim 1, wherein the first sealing joint and the second sealing joint and/or the second sealing joint and the sealing tube are sealingly connected by a plurality of first sealing rings.
5. The fiber optic cable sealing arrangement of claim 1, wherein a plurality of second sealing rings are disposed within an upper end of the first sealing joint.
6. The cable sealing device of claim 1, wherein the inner wall of the second sealing joint is provided with a tapered surface, and the first ferrule is of a tapered configuration, the first ferrule abutting against the tapered surface.
7. The fiber optic cable sealing device of claim 1, wherein the second ferrule is threadably connected to the second sealing joint.
8. The cable sealing device according to claim 1, wherein the sealing tube is a hollow tube structure, and a plug is sealingly connected to a lower end of the sealing tube.
9. The cable sealing device of claim 8, wherein the bulkhead is threadably coupled to the sealing tube.
10. The cable sealing device of claim 8, wherein the plug and the sealing tube are sealingly connected by a third sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222635855.4U CN218272848U (en) | 2022-09-30 | 2022-09-30 | Optical cable sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222635855.4U CN218272848U (en) | 2022-09-30 | 2022-09-30 | Optical cable sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218272848U true CN218272848U (en) | 2023-01-10 |
Family
ID=84750297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222635855.4U Active CN218272848U (en) | 2022-09-30 | 2022-09-30 | Optical cable sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218272848U (en) |
-
2022
- 2022-09-30 CN CN202222635855.4U patent/CN218272848U/en active Active
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