CN112165054A - Sealing structure of cable and manufacturing method thereof - Google Patents
Sealing structure of cable and manufacturing method thereof Download PDFInfo
- Publication number
- CN112165054A CN112165054A CN202010939160.8A CN202010939160A CN112165054A CN 112165054 A CN112165054 A CN 112165054A CN 202010939160 A CN202010939160 A CN 202010939160A CN 112165054 A CN112165054 A CN 112165054A
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- Prior art keywords
- cable
- sealing
- hole
- tube
- flat gasket
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/22—Installations of cables or lines through walls, floors or ceilings, e.g. into buildings
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/06—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/003—Filling materials, e.g. solid or fluid insulation
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/013—Sealing means for cable inlets
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0406—Details thereof
- H02G3/0418—Covers or lids; Their fastenings
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0462—Tubings, i.e. having a closed section
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Installation Of Indoor Wiring (AREA)
Abstract
The invention relates to the technical field of sealing structures, and discloses a sealing structure of a cable and a manufacturing method thereof. Through the structure, water can be prevented from entering the cable cylinder, and the filler is arranged to facilitate the effective filling and curing of the filler between the cables, so that the cable cylinder has a better sealing effect.
Description
Technical Field
The invention relates to the technical field of sealing structures, in particular to a cable sealing structure and a manufacturing method thereof.
Background
The ship cable is generally sealed in two ways of penetrating through a deck or a bulkhead of a liquid tank, one way is to seal through a rubber sealing ring, but the rubber sealing ring is easy to age due to long-term contact with water, so that the sealing effect is poor; the other method is sealing through the filler, but the filler is easy to absorb moisture in contact with water, water seeps out of the liquid tank from a sealing position after long-term use, and the sealing effect is poor.
Disclosure of Invention
The purpose of the invention is: the cable sealing structure and the manufacturing method thereof have a good sealing effect.
In order to achieve the purpose, the invention provides a sealing structure of a cable, which comprises a bulkhead, a mounting plate, a cable cylinder, a cable, a filler and a blocking material, wherein a first through hole for the cable cylinder to pass through is formed in the bulkhead, the mounting plate covers one end, located outside a liquid tank, of the cable cylinder, a second through hole for the cable to pass through is formed in the mounting plate, the blocking material is arranged inside the cable cylinder close to one side of the mounting plate and wraps the cable, the filler is filled inside the cable cylinder far away from one side of the mounting plate, and the cable sequentially passes through the filler, the blocking material and the second through hole.
Optionally, the sealing structure of the cable further comprises a sealing pipe, the sealing pipe is sleeved outside the cable, the sealing pipe penetrates through the second through hole, and the blocking material is wrapped outside the pipe body of the sealing pipe inside the cable barrel.
Optionally, the sealing structure of the cable further comprises a compression nut and a sealing washer, the compression nut and the sealing washer are both sleeved on the cable, the sealing pipe is sleeved outside the compression nut and the sealing washer, the sealing pipe is provided with a tightening part used for tightening one end of the sealing washer, the compression nut is arranged at one end, far away from the cable barrel, of the sealing pipe, and the compression nut is made to tighten the other end of the sealing washer.
Optionally, the sealing structure of the cable further includes a first flat gasket, the first flat gasket is sleeved on the cable, and the first flat gasket is disposed between the sealing gasket and the compression nut.
Optionally, the sealing structure of the cable further includes a second flat gasket, the second flat gasket is sleeved on the cable, and the second flat gasket is arranged between the abutting portion and the sealing gasket.
Optionally, the sealing structure of the cable further includes a heat-shrinkable tube, one end of the heat-shrinkable tube is sleeved on one end of the sealing tube far away from the cable barrel, and the other end of the heat-shrinkable tube is sleeved outside the cable.
Optionally, the end face of the cable barrel at the end far away from the filler is flush with the side face of the bulkhead outside the tank.
The invention also provides a manufacturing method of the sealing structure of the cable, which comprises the following steps:
the method comprises the following steps: forming a first through hole in a bulkhead, and welding a cable drum on the first through hole;
step two: covering and mounting the mounting plate on the end face of the cable drum outside the liquid tank;
step three: the cable is led through the first through hole and a second through hole arranged on the mounting plate;
step four: embedding a blocking material on one side of the interior of the cable drum close to the mounting plate, wherein the blocking material separates the cables and trowels the surface of the filling material facing the interior of the liquid tank;
step five: and filling filler on the plane from the end surface of the blocking material in the cable cylinder to the end surface of the cable cylinder in the liquid tank.
Optionally, the first step further includes: mounting a seal tube on the mounting plate.
Optionally, the third step further includes:
the cable is laid in a sequence that the cable penetrates through the first through hole and the second through hole from the liquid tank to the outside, the cable penetrates through the sealing tube and then sequentially penetrates through a second flat gasket, a sealing gasket, a first flat gasket, a compression nut and a heat-shrinkable sleeve, and after the second flat gasket, the sealing gasket, the first flat gasket and the compression nut are placed into the sealing tube, the heat-shrinkable sleeve is subjected to heat shrinkage to fix the sealing tube and the cable; or the cable is laid in a sequence that the cable penetrates through the second through hole and the first through hole from the outside of the liquid tank inwards, the cable sequentially penetrates through a heat-shrinkable sleeve, a compression nut, a first flat gasket, a sealing washer and a second flat gasket before penetrating through the sealing tube, and after the compression nut, the first flat gasket, the sealing washer and the second flat gasket are placed into the sealing tube, the heat-shrinkable sleeve is subjected to heat shrinkage to fix the sealing tube and the cable.
Compared with the prior art, the embodiment of the invention provides a cable sealing structure and a manufacturing method thereof, and has the beneficial effects that:
the sealing structure of the cable provided by the embodiment of the invention comprises a bulkhead, a mounting plate, a cable cylinder, a cable, a filler and a blocking material, wherein a first through hole for the cable cylinder to pass through is formed in the bulkhead, the mounting plate covers one end, located outside a liquid tank, of the cable cylinder, a second through hole for the cable to pass through is formed in the mounting plate, the blocking material is arranged inside the cable cylinder close to one side of the mounting plate and wraps the outside of the cable, the filler is filled inside the cable cylinder far away from one side of the mounting plate, and the cable sequentially passes through the filler, the blocking material and the second through hole. Through such structure, can avoid inside water gets into the cable section of thick bamboo, still through setting up the putty, be favorable to packing effectively filling and solidification between the cable to have better sealed effect.
The manufacturing method of the cable sealing structure provided by the embodiment of the invention has a good sealing effect when the cable sealing structure is manufactured.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a top view of an embodiment of the present invention.
FIG. 3 is a schematic structural diagram of a sealing tube according to an embodiment of the present invention.
Fig. 4 is a schematic structural view of a compression nut according to an embodiment of the present invention.
In the figure, 1, bulkhead; 2. mounting a plate; 3. a cable drum; 4. a cable; 5. a filler; 6. blocking; 7. a sealing tube; 8. a compression nut; 9. a sealing gasket; 10. a first flat gasket; 11. a second flat washer; 12. and (4) heat-shrinkable tubing.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 and 2, a sealing structure of a cable according to a preferred embodiment of the present invention includes a bulkhead 1, a mounting plate 2, a cable cylinder 3, a cable 4, a filler 5, and a blocking material 6, where the bulkhead 1 is provided with a first through hole for the cable cylinder 3 to pass through, the mounting plate 2 covers one end of the cable cylinder 3 located outside a liquid tank, the mounting plate 2 is provided with a second through hole for the cable 4 to pass through, the blocking material 6 is disposed inside the cable cylinder 3 near one side of the mounting plate 2, the blocking material 6 wraps the outside of the cable 4, the filler 5 is filled inside the cable cylinder 3 far from one side of the mounting plate 2, and the cable 4 sequentially passes through the filler 5, the blocking material 6, and the second through hole. The cable drum 3 seals the first through hole, the cable 4 passes through the cable drum 3, the mounting plate 2 seals the cable drum 3, and the cable 4 passes through the second through hole. Through setting up filler 5, can realize the sealed between 3 insides of cable drum and the liquid tank, avoid water to get into 3 insides of cable drum. Through setting up putty 6, be favorable to packing 5 effectively to fill and solidify between cable 4 to have better sealed effect. In this embodiment, the cable drum 3 is welded to the first through hole, and the weld is a watertight weld. The end surface of the end of the cable drum 3 remote from the filler 5 is flush with the side of the bulkhead 1 outside the tank. By the arrangement, the mounting plate 2 directly covers the bulkhead 1 around the first through hole while covering the end face of the cable cylinder 3, and is matched with the filler 5 and the blocking material 6 to realize the sealing of the whole cable 4 and prevent water in the liquid tank from seeping out. In this embodiment, the left and right length of the mounting plate 2 in the view of fig. 1 is at least 25mm greater than the cable drum 3.
Referring to fig. 3, the sealing structure of the cable of the present embodiment further includes a sealing tube 7, the sealing tube 7 is sleeved outside the cable 4, the sealing tube 7 passes through the second through hole, and the blocking material 6 is wrapped outside the tube body of the sealing tube 7 inside the cable tube 3. By the arrangement, each sealing tube 7 only penetrates through one cable 4, so that the sealing of the single cable 4 is realized, and the sealing effect is enhanced. In this embodiment, heat shrink 12 is at least 100mm in length.
Referring to fig. 4, the sealing structure of the cable of the present embodiment further includes a compression nut 8 and a sealing washer 9, the compression nut 8 and the sealing washer 9 are both sleeved on the cable 4, the sealing tube 7 is sleeved outside the compression nut 8 and the sealing washer 9, the sealing tube 7 is provided with a tightening portion for tightening one end of the sealing washer 9, the compression nut 8 is disposed at one end of the sealing tube 7 far from the cable barrel 3, so that the compression nut 8 tightens the other end of the sealing washer 9. Through such structure, gland nut 8 compresses tightly seal ring 9, and seal ring 9 is pressed to the left and right sides deformation of figure 1 view position to further improve the sealed effect of single cable 4.
In order to reduce the abrasion of the sealing washer 9 and prolong the service life of the sealing structure of the cable, the sealing structure of the cable further comprises a first flat washer 10, the first flat washer 10 is sleeved on the cable 4, and the first flat washer 10 is arranged between the sealing washer 9 and the compression nut 8. The first flat washer 10 can reduce wear caused by contact between the sealing washer 9 and the gland nut 8. The sealing structure of the cable further comprises a second flat gasket 11, the second flat gasket 11 is sleeved on the cable 4, and the second flat gasket 11 is arranged between the abutting part and the sealing washer 9.
The sealing structure of the cable of this embodiment further includes a heat-shrinkable sleeve 12, one end of the heat-shrinkable sleeve 12 is sleeved on one end of the sealing tube 7 far away from the cable barrel 3, and the other end of the heat-shrinkable sleeve 12 is sleeved outside the cable 4. The heat-shrinkable sleeve 12 can be subjected to heat shrinkage through a hot air gun, external moisture can be prevented from entering the sealing tube 7 due to good heat shrinkage, the sealing washer 9 is prevented from being corroded, the sealing effect is improved, and the service life is prolonged.
The embodiment also provides a manufacturing method of the sealing structure of the cable, which comprises the following steps:
the method comprises the following steps: a first through hole is formed in the bulkhead 1, and the cable drum 3 is welded to the first through hole.
Before the cable drum 3 is soldered to the first through-hole, the sealing tube 7 is mounted on the mounting plate 2.
Step two: the mounting plate 2 is mounted to cover the end face of the cable drum 3 located outside the tank.
Step three: the cable 4 is passed through the first through hole and the second through hole provided on the mounting board 2.
The laying sequence of the cable 4 is that the cable passes through the first through hole and the second through hole from the liquid tank outwards, the cable 4 also passes through the second flat gasket 11, the sealing washer 9, the first flat gasket 10, the compression nut 8 and the heat-shrinkable sleeve 12 after passing through the sealing tube 7, and after the second flat gasket 11, the sealing washer 9, the first flat gasket 10 and the compression nut 8 are placed into the sealing tube 7, the heat-shrinkable sleeve 12 is subjected to heat shrinkage to fix the sealing tube 7 and the cable 4.
Or the cable 4 is laid in a sequence of passing through the second through hole and the first through hole from the outside of the liquid tank inwards, the cable 4 sequentially passes through the heat-shrinkable tube 12, the compression nut 8, the first flat gasket 10, the sealing washer 9 and the second flat gasket 11 before passing through the sealing tube 7, and after the compression nut 8, the first flat gasket 10, the sealing washer 9 and the second flat gasket 11 are placed into the sealing tube 7, the heat-shrinkable tube 12 is subjected to heat shrinkage to fix the sealing tube 7 and the cable 4.
Step four: and (3) embedding the plugging material 6 at one side close to the mounting plate 2 in the cable barrel 3, wherein the plugging material 6 separates the cables 4 and trowels the surface of the filler 5 facing the interior of the liquid tank.
Step five: the filler 5 is filled on the plane of the end face of the inner putty 6 of the cable cylinder 3 which is flat to the end face of the cable cylinder 3 which is positioned in the liquid tank. The surface of the filler 5 is flush with the end face of the cable barrel 3 and is smoothed to be smooth.
To sum up, the embodiment of the invention provides a cable sealing structure and a manufacturing method thereof, which realize double sealing of sealing a single cable 4 and sealing a whole cable 4, and achieve better sealing effect.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides a seal structure of cable, its characterized in that, includes bulkhead, mounting panel, a cable section of thick bamboo, cable, filler and putty, be equipped with the confession on the bulkhead the first through-hole that a cable section of thick bamboo passed, the mounting panel covers a cable section of thick bamboo is located the outside one end of tank, be equipped with the confession on the mounting panel the second through-hole that the cable passed, the putty set up in being close to mounting panel one side the inside of a cable section of thick bamboo, just the putty wrap up in the outside of cable, the filler fill in keeping away from mounting panel one side the inside of a cable section of thick bamboo, the cable passes in proper order the filler the putty with the second through-hole.
2. The sealing structure of a cable according to claim 1, further comprising a sealing tube, wherein the sealing tube is sleeved outside the cable, the sealing tube passes through the second through hole, and the putty is wrapped outside a tube body of the sealing tube inside the cable tube.
3. The sealing structure of a cable according to claim 2, further comprising a compression nut and a sealing washer, wherein the compression nut and the sealing washer are both sleeved on the cable, the sealing tube is sleeved outside the compression nut and the sealing washer, the sealing tube is provided with a tightening portion for tightening one end of the sealing washer, and the compression nut is arranged at one end of the sealing tube far away from the cable barrel, so that the compression nut is tightened against the other end of the sealing washer.
4. A sealing arrangement for cables according to claim 3, further comprising a first flat washer, the first flat washer being looped over the cable and the first flat washer being disposed between the sealing washer and the gland nut.
5. The sealing structure of the cable according to claim 3, further comprising a second flat gasket, wherein the second flat gasket is sleeved on the cable, and the second flat gasket is arranged between the abutting portion and the sealing gasket.
6. The sealing structure of the cable according to claim 3, further comprising a heat-shrinkable sleeve, wherein one end of the heat-shrinkable sleeve is sleeved on one end of the sealing tube far away from the cable barrel, and the other end of the heat-shrinkable sleeve is sleeved outside the cable.
7. A sealing arrangement for cables according to claim 1, characterised in that the end face of the cable drum remote from the filling material is flush with the side of the bulkhead which is outside the tank.
8. A manufacturing method of a sealing structure of a cable is characterized by comprising the following steps:
the method comprises the following steps: forming a first through hole in a bulkhead, and welding a cable drum on the first through hole;
step two: covering and mounting the mounting plate on the end face of the cable drum outside the liquid tank;
step three: the cable is led through the first through hole and a second through hole arranged on the mounting plate;
step four: embedding a blocking material on one side of the interior of the cable drum close to the mounting plate, wherein the blocking material separates the cables and trowels the surface of the filling material facing the interior of the liquid tank;
step five: and filling filler on the plane from the end surface of the blocking material in the cable cylinder to the end surface of the cable cylinder in the liquid tank.
9. The method for manufacturing a sealing structure of a cable according to claim 8, wherein the first step further comprises: mounting a seal tube on the mounting plate.
10. The method for manufacturing a sealing structure of a cable according to claim 9, wherein the third step further comprises:
the cable is laid in a sequence that the cable penetrates through the first through hole and the second through hole from the liquid tank to the outside, the cable penetrates through the sealing tube and then sequentially penetrates through a second flat gasket, a sealing gasket, a first flat gasket, a compression nut and a heat-shrinkable sleeve, and after the second flat gasket, the sealing gasket, the first flat gasket and the compression nut are placed into the sealing tube, the heat-shrinkable sleeve is subjected to heat shrinkage to fix the sealing tube and the cable;
or the cable is laid in a sequence that the cable penetrates through the second through hole and the first through hole from the outside of the liquid tank inwards, the cable sequentially penetrates through a heat-shrinkable sleeve, a compression nut, a first flat gasket, a sealing washer and a second flat gasket before penetrating through the sealing tube, and after the compression nut, the first flat gasket, the sealing washer and the second flat gasket are placed into the sealing tube, the heat-shrinkable sleeve is subjected to heat shrinkage to fix the sealing tube and the cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010939160.8A CN112165054A (en) | 2020-09-09 | 2020-09-09 | Sealing structure of cable and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010939160.8A CN112165054A (en) | 2020-09-09 | 2020-09-09 | Sealing structure of cable and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112165054A true CN112165054A (en) | 2021-01-01 |
Family
ID=73857521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010939160.8A Pending CN112165054A (en) | 2020-09-09 | 2020-09-09 | Sealing structure of cable and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112165054A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0464028A (en) * | 1990-07-02 | 1992-02-28 | Hitachi Ltd | Cable penetration |
| CN103840307A (en) * | 2014-03-25 | 2014-06-04 | 中国工程物理研究院总体工程研究所 | Cable sealing connector used for ship in deep water environment |
| CN108899773A (en) * | 2018-06-21 | 2018-11-27 | 广东联航智能科技有限公司 | Anti-moisture and soil-repellent component and terminal box |
-
2020
- 2020-09-09 CN CN202010939160.8A patent/CN112165054A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0464028A (en) * | 1990-07-02 | 1992-02-28 | Hitachi Ltd | Cable penetration |
| CN103840307A (en) * | 2014-03-25 | 2014-06-04 | 中国工程物理研究院总体工程研究所 | Cable sealing connector used for ship in deep water environment |
| CN108899773A (en) * | 2018-06-21 | 2018-11-27 | 广东联航智能科技有限公司 | Anti-moisture and soil-repellent component and terminal box |
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Application publication date: 20210101 |