CN106932148B - Connecting mechanism for water seepage detection of optical fiber cable - Google Patents
Connecting mechanism for water seepage detection of optical fiber cable Download PDFInfo
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- CN106932148B CN106932148B CN201710259538.8A CN201710259538A CN106932148B CN 106932148 B CN106932148 B CN 106932148B CN 201710259538 A CN201710259538 A CN 201710259538A CN 106932148 B CN106932148 B CN 106932148B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The invention discloses a connecting mechanism for water seepage detection of an optical fiber cable, which comprises a water pipe sleeve, an outer sleeve, an inner sleeve, a middle clamping sleeve, a retainer ring and a steel ball, wherein the middle clamping sleeve is embedded into the inner sleeve, and the inner sleeve is arranged in the outer sleeve; a flange is arranged in the middle of the outer surface of the inner sleeve along the circumferential direction, a plurality of through holes are formed in the area of the inner sleeve, which is positioned on one side of the flange, and a plurality of positioning holes are formed in the end surface of the inner sleeve, which is positioned on the other side of the flange; the rear part of the middle clamping sleeve is provided with a plurality of strip-shaped grooves which are axially arranged; the steel ball is positioned in the through hole of the inner sleeve and between the outer sleeve and the middle clamping sleeve, and a spring is sleeved on the inner sleeve and between the flange and the front end of the outer sleeve. The connecting device adopts the structure mode that the elastic steel ball clamping sleeve clamps and fixes the optical cable, so that the optical cable is more stable and compact in fixation, the optical cable is not crushed, and the optical cable is convenient to take and place.
Description
Technical Field
The invention relates to the technical field of optical cable manufacturing detection, in particular to a connecting device for optical cable water seepage test detection.
Background
The fiber optic cable is subject to moisture and rain during use, particularly outdoor fiber optic cables and submarine fiber optic cables. Under humid conditions, water can cause attenuation of the water peak of the fiber, which can in turn lead to fiber breakage through osmotic corrosion. Water can not only diffuse through the cable jacket layer into the cable interior but also flow laterally along the cable core to the closure causing disruption to the communication system. Therefore, the water permeability of the optical cable is a key technical index in the manufacturing process of the optical cable.
According to the industry standard of the people's republic of China, YD/T901-2009 layer-twisted outdoor optical cable for communication, YD/T769-2010 central tube type outdoor optical cable for communication and GB/T7424.1-2003 optical cable general specification part 1: general rule and GB/T7424.2-2008 optical cable general Specification part 2: the basic test method of the optical cable and the like are provided with the following water seepage performance: 3. the meter length of fiber optic cable should be supported horizontally and a 1 meter high water column should be applied at a temperature of (20±5) °c for 24 hours, and water leakage may be detected using a water soluble fluorescent dye or other suitable colorant that must not react with any of the components of the fiber optic cable.
In order to save time and unnecessary waste, in the actual production process, the water seepage detection of the optical cable is usually carried out by adopting an optical cable with the length of 1 meter, applying a high water column with the length of 1 meter, observing the water seepage condition of the optical cable for 8 hours, if the optical cable does not leak water, detecting the water seepage, and if the water seepage is detected again according to the GB/T7424.2-2008 water seepage detection standard.
The connection mode of the existing optical cable and the water seepage detection device is that a water blocking adhesive tape and a sealing adhesive are wound outside the optical cable, time and labor are wasted, cost is high, efficiency is low, and secondary detection is caused by water level reduction due to water seepage of an optical cable joint in detection, and although water can be manually supplemented, real-time water supplement cannot be performed, especially when workers at night shifts are in people's drowsiness.
Disclosure of Invention
The invention aims to provide a connecting mechanism for water seepage detection of an optical fiber cable, which adopts a structure mode that an elastic steel ball clamping sleeve is used for clamping and fixing an optical cable, and the optical cable is axially positioned under the action of a spring and a steel ball after being inserted into the clamping sleeve, so that the optical cable is more stably and tightly fixed, the optical cable is not crushed, and the optical cable is convenient to take and place.
In order to achieve the above purpose, the invention adopts the following technical scheme: the connecting mechanism for the water seepage detection of the optical fiber cable comprises a water pipe sleeve, an outer sleeve, an inner sleeve, a middle clamping sleeve, a check ring and a steel ball, wherein the middle clamping sleeve is embedded into the inner sleeve, and the inner sleeve is arranged in the outer sleeve;
the middle part of the outer surface of the inner sleeve is provided with a flange along the circumferential direction, a plurality of through holes distributed along the circumferential direction are formed in the area of one side of the flange, and a plurality of positioning holes are formed in the end surface of the inner sleeve on the other side of the flange along the circumferential direction; the rear part of the middle clamping sleeve is provided with a plurality of strip-shaped grooves which are arranged along the axial direction, and the front end surface of the middle clamping sleeve is provided with a positioning pin which is used for being embedded into a positioning hole of the inner sleeve; the check ring is arranged at the rear end of the outer sleeve and is positioned at the rear sides of the inner sleeve and the middle clamping sleeve, and the end cover is arranged at the front end of the inner sleeve or the middle clamping sleeve; the inner wall of the outer sleeve is provided with a slope surface so as to form a flared inner through hole, in addition, the gap between the inner wall of the sleeve and the inner sleeve is gradually increased from the rear end to the middle part, the steel ball is positioned in the through hole of the inner sleeve and between the outer sleeve and the middle clamping sleeve, a spring is sleeved on the inner sleeve and between the flange and the front end of the outer sleeve, a magnet cover is fixed on the outer side of the outer sleeve through a plurality of screws, and a magnet fixed through a handle and a shaft is arranged between the magnet cover and the outer sleeve;
the front end of the water pipe sleeve is provided with a water inlet, the rear end of the water pipe sleeve is sleeved with a flexible water blocking part, an inner through hole is formed between the water inlet and the flexible water blocking part, and the flexible water blocking part is connected with the inner through hole through a flow guide pipe.
The further improved scheme in the technical scheme is as follows:
1. in the above scheme, the plurality of strip-shaped grooves are uniformly distributed along the circumferential direction.
2. In the scheme, the slope surface is positioned at the middle rear part of the inner wall of the outer sleeve.
3. In the scheme, threads are arranged on the inner wall of the water inlet.
4. In the above scheme, the flexible water blocking piece is annular.
5. In the scheme, the inner through hole is formed by connecting a cylindrical through hole and a conical through hole.
6. In the scheme, the water pipe sleeve and the outer sleeve are fixedly connected through a connecting pin.
7. In the scheme, the inner through hole and the water pipe sleeve are fixed through a fastening screw.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages and effects:
1. the connecting mechanism for detecting the water seepage of the optical fiber cable is characterized in that the middle part of the outer surface of the inner sleeve is provided with a flange along the circumferential direction, a plurality of through holes distributed along the circumferential direction are formed in the area of one side of the flange of the inner sleeve, the steel balls are positioned in the through holes of the inner sleeve and between the outer sleeve and the middle clamping sleeve, and the optical cable is axially positioned through the steel balls, so that the positioning stability of the optical cable is improved; secondly, the rear part of the middle clamping sleeve is provided with a plurality of strip-shaped grooves which are axially arranged, so that the middle clamping sleeve has a backtracking force, the force of the steel ball is applied to the optical cable through the clamping sleeve, the steel ball is prevented from being in direct contact with the optical cable, and the optical cable is prevented from being crushed due to the direct application of force.
2. The invention relates to a connecting mechanism for detecting water seepage of an optical fiber cable, which is positioned on the inner wall of an outer sleeve and is provided with a slope surface so as to form a horn-shaped inner through hole, in addition, the gap between the inner wall of the sleeve and the inner sleeve is gradually increased from the rear end to the middle part, a spring is sleeved on the inner sleeve and is positioned between a flange and the front end of the outer sleeve, and a steel ball moves in the horn-shaped inner through hole under the action of the spring so as to reduce the pressure of the steel ball on a middle clamping sleeve and facilitate the taking and placing of the optical cable.
Drawings
FIG. 1 is a schematic diagram of a connection mechanism for detecting water seepage of an optical fiber cable;
FIG. 2 is a schematic diagram of a connection mechanism for water seepage detection of an optical fiber cable according to the second embodiment of the present invention;
FIG. 3 is a schematic diagram of a connection mechanism for detecting water seepage of an optical fiber cable according to the third embodiment of the invention;
fig. 4 is a schematic structural diagram of a connection mechanism for water seepage detection of an optical fiber cable according to the invention.
In the above figures: 1. a water pipe sleeve; 101. a water inlet; 102. an inner through hole; 104. a flexible water blocking member; 2. an outer sleeve; 3. an inner sleeve; 301. a flange; 302. positioning holes; 303. a through hole; 4. a middle clamping sleeve; 401. a bar-shaped groove; 402. a positioning pin; 5. a retainer ring; 6. a spring; 7. a magnet cover; 8. a magnet; 9. a steel ball; 10. a screw; 11. a shaft; 12. a handle; 13. a connecting pin; 14. a fastening screw; 15. a flow guiding pipe; 16. an end cap.
Detailed Description
The invention is further described below with reference to examples:
example 1: the connecting mechanism for water seepage detection of the optical fiber cable comprises a water pipe sleeve 1, an outer sleeve 2, an inner sleeve 3, a middle clamping sleeve 4, a retainer ring 5 and a steel ball 9, wherein the middle clamping sleeve 4 is embedded into the inner sleeve 3, and the inner sleeve 3 is arranged in the outer sleeve 2;
a flange 301 is circumferentially arranged in the middle of the outer surface of the inner sleeve 3, a plurality of through holes 303 are circumferentially distributed in the area of the inner sleeve 3 on one side of the flange 301, and a plurality of positioning holes 302 are circumferentially formed in the end surface of the inner sleeve 3 on the other side of the flange 301;
the rear part of the middle clamping sleeve 4 is provided with a plurality of strip-shaped grooves 401 which are arranged along the axial direction, and the front end surface of the middle clamping sleeve 4 is provided with a positioning pin 402 which is used for being embedded into the positioning hole 302 of the inner sleeve 3;
the retainer ring 5 is arranged at the rear end of the outer sleeve 2 and positioned at the rear sides of the inner sleeve 3 and the middle clamping sleeve 4, and the end cover 16 is arranged at the front end of the inner sleeve 3 or the middle clamping sleeve 4; the inner wall of the outer sleeve 2 is provided with a slope surface so as to form a flared inner through hole, in addition, the gap between the inner wall of the outer sleeve 2 and the inner sleeve 3 is gradually increased from the rear end to the middle part, the steel ball is positioned in the through hole of the inner sleeve 3 and between the outer sleeve 2 and the middle clamping sleeve 4, a spring 6 is sleeved on the inner sleeve 3 and positioned between a flange 301 and the front end of the outer sleeve 2, a magnet cover 7 is fixed on the outer side of the outer sleeve 2 through a plurality of screws 10, and a magnet 8 fixed through a handle 12 and a shaft 11 is arranged between the magnet cover 7 and the outer sleeve 2;
the front end of the water pipe sleeve 1 is provided with a water inlet 101, the rear end of the water pipe sleeve is sleeved with a flexible water blocking piece 104, an inner through hole 102 is formed between the water inlet 101 and the flexible water blocking piece 104, and the flexible water blocking piece 104 is connected with the inner through hole 102 through a guide pipe 15.
The plurality of strip-shaped grooves 401 are uniformly distributed along the circumferential direction; the slope surface is positioned at the middle rear part of the inner wall of the outer sleeve 2; the inner wall of the water inlet 101 is provided with threads.
Example 2: the connecting mechanism for water seepage detection of the optical fiber cable comprises a water pipe sleeve 1, an outer sleeve 2, an inner sleeve 3, a middle clamping sleeve 4, a retainer ring 5 and a steel ball 9, wherein the middle clamping sleeve 4 is embedded into the inner sleeve 3, and the inner sleeve 3 is arranged in the outer sleeve 2;
a flange 301 is circumferentially arranged in the middle of the outer surface of the inner sleeve 3, a plurality of through holes 303 are circumferentially distributed in the area of the inner sleeve 3 on one side of the flange 301, and a plurality of positioning holes 302 are circumferentially formed in the end surface of the inner sleeve 3 on the other side of the flange 301;
the rear part of the middle clamping sleeve 4 is provided with a plurality of strip-shaped grooves 401 which are arranged along the axial direction, and the front end surface of the middle clamping sleeve 4 is provided with a positioning pin 402 which is used for being embedded into the positioning hole 302 of the inner sleeve 3;
the retainer ring 5 is arranged at the rear end of the outer sleeve 2 and positioned at the rear sides of the inner sleeve 3 and the middle clamping sleeve 4, and the end cover 16 is arranged at the front end of the inner sleeve 3 or the middle clamping sleeve 4; the inner wall of the outer sleeve 2 is provided with a slope surface so as to form a flared inner through hole, in addition, the gap between the inner wall of the outer sleeve 2 and the inner sleeve 3 is gradually increased from the rear end to the middle part, the steel ball is positioned in the through hole of the inner sleeve 3 and between the outer sleeve 2 and the middle clamping sleeve 4, a spring 6 is sleeved on the inner sleeve 3 and positioned between a flange 301 and the front end of the outer sleeve 2, a magnet cover 7 is fixed on the outer side of the outer sleeve 2 through a plurality of screws 10, and a magnet 8 fixed through a handle 12 and a shaft 11 is arranged between the magnet cover 7 and the outer sleeve 2;
the front end of the water pipe sleeve 1 is provided with a water inlet 101, the rear end of the water pipe sleeve is sleeved with a flexible water blocking piece 104, an inner through hole 102 is formed between the water inlet 101 and the flexible water blocking piece 104, and the flexible water blocking piece 104 is connected with the inner through hole 102 through a guide pipe 15.
The flexible water blocking piece 104 is annular; the inner through hole 102 is formed by connecting a cylindrical through hole and a conical through hole; the water pipe sleeve 1 and the outer sleeve 2 are fixedly connected through a connecting pin 13; the inner through hole 102 and the water jacket 1 are fixed by a fastening screw 14.
When the connecting mechanism for the water seepage detection of the optical fiber cable is adopted, the elastic steel ball clamping sleeve is adopted to clamp and fix the optical cable, and the optical cable is axially positioned under the action of the spring and the steel ball after being inserted into the clamping sleeve, so that the optical cable is fixed more stably and tightly, the optical cable can not be crushed, and the optical cable is convenient to take and place.
The above embodiments are provided to illustrate the technical concept and features of the present invention and are intended to enable those skilled in the art to understand the content of the present invention and implement the same, and are not intended to limit the scope of the present invention. All equivalent changes or modifications made in accordance with the spirit of the present invention should be construed to be included in the scope of the present invention.
Claims (5)
1. The utility model provides a coupling mechanism for optical fiber cable infiltration detects which characterized in that: the water pipe comprises a water pipe sleeve (1), an outer sleeve (2), an inner sleeve (3), a middle clamping sleeve (4), a retainer ring (5) and a steel ball (9), wherein the middle clamping sleeve (4) is embedded into the inner sleeve (3), the inner sleeve (3) is arranged in the outer sleeve (2), and the water pipe sleeve (1) is fixedly connected with the outer sleeve (2) through a connecting pin (13);
a flange (301) is arranged in the middle of the outer surface of the inner sleeve (3) along the circumferential direction, a plurality of through holes (303) distributed along the circumferential direction are formed in the area of the inner sleeve (3) positioned on one side of the flange (301), and a plurality of positioning holes (302) are formed in the end surface of the inner sleeve (3) positioned on the other side of the flange (301) along the circumferential direction;
the rear part of the middle clamping sleeve (4) is provided with a plurality of axially arranged strip-shaped grooves (401), and the front end surface of the middle clamping sleeve (4) is provided with a positioning pin (402) which is used for being embedded into a positioning hole (302) of the inner sleeve (3);
the retainer ring (5) is arranged at the rear end of the outer sleeve (2) and is positioned at the rear side of the inner sleeve (3) and the middle clamping sleeve (4), the end cover (16) is arranged at the front end of the inner sleeve (3) or the middle clamping sleeve (4), the inner wall of the outer sleeve (2) is provided with a slope surface so as to form a horn-shaped inner through hole, a gap between the inner wall of the outer sleeve (2) and the inner sleeve (3) is gradually increased from the rear end to the middle part, the movable steel ball is positioned in the through hole of the inner sleeve (3) and is positioned between the outer sleeve (2) and the middle clamping sleeve (4), the inner sleeve (3) is sleeved with a spring (6) and is positioned between the flange (301) and the front end of the outer sleeve (2), the magnet cover (7) is fixed at the outer side of the outer sleeve (2) through a plurality of screws (10), and a magnet (8) fixed through a handle (12) and a shaft (11) is arranged between the magnet cover (7) and the outer sleeve (2);
the water pipe sleeve (1) is characterized in that the front end of the water pipe sleeve is provided with a water inlet (101), the rear end of the water pipe sleeve is sleeved with a flexible water blocking piece (104), the flexible water blocking piece (104) is annular, an inner through hole (102) is formed between the water inlet (101) and the flexible water blocking piece (104), and the flexible water blocking piece (104) is connected with the inner through hole (102) through a guide pipe (15).
2. The connection mechanism for water seepage detection of an optical fiber cable according to claim 1, wherein: the plurality of strip-shaped grooves (401) are uniformly distributed along the circumferential direction.
3. The connection mechanism for water seepage detection of an optical fiber cable according to claim 1, wherein: the slope surface is positioned at the middle rear part of the inner wall of the outer sleeve (2).
4. The connection mechanism for water seepage detection of an optical fiber cable according to claim 1, wherein: the inner wall of the water inlet (101) is provided with threads.
5. The connection mechanism for water seepage detection of an optical fiber cable according to claim 1, wherein: the inner through hole (102) is formed by connecting a cylindrical through hole and a conical through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710259538.8A CN106932148B (en) | 2017-04-20 | 2017-04-20 | Connecting mechanism for water seepage detection of optical fiber cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710259538.8A CN106932148B (en) | 2017-04-20 | 2017-04-20 | Connecting mechanism for water seepage detection of optical fiber cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106932148A CN106932148A (en) | 2017-07-07 |
| CN106932148B true CN106932148B (en) | 2023-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710259538.8A Active CN106932148B (en) | 2017-04-20 | 2017-04-20 | Connecting mechanism for water seepage detection of optical fiber cable |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108731878B (en) * | 2017-04-20 | 2024-02-02 | 江苏亨通光电股份有限公司 | Connection and water blocking device for water seepage test of optical fiber cable |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203551213U (en) * | 2013-09-29 | 2014-04-16 | 烽火通信科技股份有限公司 | Water seepage test apparatus for optical cables |
| CN104062221B (en) * | 2014-07-14 | 2017-09-26 | 杭州富通通信技术股份有限公司 | A kind of optical cable infiltration detection means |
| CN204649356U (en) * | 2015-04-15 | 2015-09-16 | 西安西古光通信有限公司 | The simple and easy conversion equipment of a kind of optical cable water test |
| CN205506301U (en) * | 2016-02-24 | 2016-08-24 | 江苏南方天宏通信科技有限公司 | Novel optical cable infiltration test device |
| CN206772498U (en) * | 2017-04-20 | 2017-12-19 | 江苏亨通光电股份有限公司 | Optical fiber cable infiltration detection bindiny mechanism |
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- 2017-04-20 CN CN201710259538.8A patent/CN106932148B/en active Active
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| CN106932148A (en) | 2017-07-07 |
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