CN214937823U - Flexible anode cable node sealing joint - Google Patents
Flexible anode cable node sealing joint Download PDFInfo
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- CN214937823U CN214937823U CN202120366803.4U CN202120366803U CN214937823U CN 214937823 U CN214937823 U CN 214937823U CN 202120366803 U CN202120366803 U CN 202120366803U CN 214937823 U CN214937823 U CN 214937823U
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Abstract
The utility model relates to the technical field of sealing joints, and discloses a flexible anode cable node sealing joint, which comprises a connecting conductor, wherein two ends of the connecting conductor are used for being electrically connected with a core wire of a cable, and two ends of the connecting conductor are also used for being electrically connected with an anode wire; the first sealing layer is arranged on the outer side of the connecting conductor and used for coating the connecting conductor and connecting points of the connecting conductor, a core wire of a cable and an anode wire; the sealing box is arranged on the outer side of the first sealing layer and is used for being connected with the outer surface of the cable; and the second sealing layer is filled between the sealing box and the first sealing layer and used for coating the first sealing layer. The utility model discloses an adopt four layers of insulating waterproof anticorrosion seal structure at noble metal oxide anode wire and copper core cable junction, make it have good acidproof, alkali-proof, anti-oxidant and wear-resisting compressive property.
Description
Technical Field
The utility model relates to a sealing joint technical field especially relates to a flexible anode cable node sealing joint.
Background
The most important failure factor of the noble metal oxide flexible anode for cathodic protection in the current market is that the copper core cable is corroded and broken due to insufficient protection durability of a connecting point of the copper core cable and a metal oxide anode wire and is easily damaged under long-time use or a soil environment with strong acid, alkali or oxidability, the cable cannot supply power, the anode fails, and the protection effect is lost. Therefore, the durability of the cable and the noble metal oxide anode wire joint is improved, and the durability of the cable and the noble metal oxide anode wire joint is of great significance to the service life of the flexible anode.
SUMMERY OF THE UTILITY MODEL
To the current situation of above-mentioned prior art, the utility model aims to solve the technical problem that a flexible anode cable node sealing joint is provided possesses quadruple protection, long-life flexible anode cable node sealing joint.
The cable node sealing joint specifically comprises the following technical scheme:
a flexible anode cable node sealing joint comprises a connecting conductor, wherein two ends of the connecting conductor are used for being electrically connected with a core wire of a cable, and two ends of the connecting conductor are also used for being electrically connected with an anode wire;
the first sealing layer is arranged on the outer side of the connecting conductor and used for coating the connecting conductor and connecting points of the connecting conductor, a core wire of a cable and an anode wire;
the sealing box is arranged on the outer side of the first sealing layer and is used for being connected with the outer surface of the cable;
and the second sealing layer is filled between the sealing box and the first sealing layer and used for coating the first sealing layer.
Further, the cable node sealing joint further comprises a heat-shrinkable sleeve sleeved on the sealing box.
Further, the first sealing layer is an insulating waterproof sealing layer.
Further, the second sealing layer is an epoxy sealing layer.
Further, the sealing box is a plastic sealing box.
Further, the insulating waterproof sealing layer comprises one to five insulating waterproof sealing glue layers.
Further, the connecting conductor is a crimping copper sheet.
Further, the anode wire is a noble metal oxide anode wire.
Further, the cable is a copper core cable.
The utility model adopts the above technical scheme at least including following beneficial effect:
the utility model discloses a noble metal oxide anode wire adopts four layers of waterproof anticorrosion seal structure of insulation with copper core cable junction, makes it have good acidproof, alkali-proof, anti-oxidant and wear-resisting compressive property, can effectively guarantee the sealed durability that the flexible positive pole of metal oxide connects, prevents to lead to the positive pole to become invalid owing to connect the corruption to reach long-life purpose.
Drawings
Fig. 1 is a schematic structural view of a flexible anode cable joint sealing joint of the present invention;
fig. 2 is a cross-sectional view of the flexible anode cable node sealing joint of the present invention.
Reference numerals: 1 is an anode wire, 2 is a cable, 3 is a connecting conductor, 4 is a first sealing layer, 5 is a second sealing layer, 6 is a sealing box, and 7 is a heat-shrinkable sleeve.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
This example
The present embodiment provides a flexible anode cable node sealing joint, as shown in fig. 1 and 2, including: the two ends of the connecting conductor 3 are used for being electrically connected with the core wire of the cable 2, and the two ends of the connecting conductor 3 are also used for being electrically connected with the anode wire 1; a first sealing layer 4 provided outside the connection conductor 3 and covering the connection conductor 3 and a connection point between the connection conductor 3 and the core wire of the cable 2 and the anode wire 1; a sealing box 6 arranged outside the first sealing layer 4 and connected with the outer surface of the cable 2; and the second sealing layer 5 is filled between the sealing box 6 and the first sealing layer 4 and used for coating the first sealing layer 4.
The cable node sealing joint further comprises a heat-shrinkable sleeve 7, and the sealing box 6 is sleeved with the heat-shrinkable sleeve 7; the first sealing layer 4 is an insulating waterproof sealing layer; the second sealing layer 5 is an epoxy resin sealing layer; the sealing box 6 is a plastic sealing box; the insulating waterproof sealing layer comprises one to five insulating waterproof sealing glue layers; the connecting conductor 3 is a crimping copper sheet; the anode wire 1 is a noble metal oxide anode wire; the cable 2 is a copper core cable.
Specifically, the joint surface of the noble metal oxide anode wire and the copper core cable is firstly crimped by a crimping copper sheet, 1-5 layers of waterproof sealant are wound at a joint to form an insulating waterproof sealing layer, a plastic sealing box is fixed at the joint position by ultrasonic welding, and epoxy resin is injected to form an epoxy resin sealing layer. And after the epoxy resin is cured, sleeving a heat-shrinkable sleeve 7 with sealant on the inner wall outside the plastic sealing box, and shrinking the heat-shrinkable sleeve on the plastic sealing box, the copper-core cable and the metal oxide anode wire by using a heat source to finish the assembly of the sealing joint.
The waterproof sealant can be used for long-term sealing of the connection point of the copper core cable and the metal oxide anode wire, and effectively isolating water and gas erosion.
The epoxy resin can reinforce the effect of the waterproof sealant, has good acid resistance, alkali resistance and oxidation resistance, has strong durability, can greatly reduce the leakage risk of the joint, enhances the mechanical property of the joint and improves the pressure resistance of the joint.
The plastic sealing box can comprehensively protect the joint and prevent the leakage caused by the fragmentation of the epoxy resin due to external force. The heat shrinkable sleeve 7 with the glue on the inner wall is a polymer with good bonding performance and is a protective layer on the outermost layer of the cable joint, and the filling glue of the inner sleeve effectively protects the plastic sealing box and cables at two ends, so that the sealing performance and the strength of the cable joint are further enhanced.
The utility model discloses a noble metal oxide anode wire adopts four layers of waterproof anticorrosion seal structure of insulation with copper core cable junction, makes it have good acidproof, alkali-proof, anti-oxidant and wear-resisting compressive property, can effectively guarantee the sealed durability that the flexible positive pole of metal oxide connects, prevents to lead to the positive pole to become invalid owing to connect the corruption to reach long-life purpose.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (9)
1. A flexible anode cable node sealing joint, comprising:
the two ends of the connecting conductor (3) are electrically connected with the core wire of the cable (2), and the two ends of the connecting conductor (3) are also electrically connected with the anode wire (1);
the first sealing layer (4) is arranged on the outer side of the connecting conductor (3) and is used for coating the connecting conductor (3) and a connecting point of the connecting conductor (3) and a core wire and an anode wire (1) of the cable (2);
the sealing box (6) is arranged on the outer side of the first sealing layer (4) and is used for being connected with the outer surface of the cable (2);
and the second sealing layer (5) is filled between the sealing box (6) and the first sealing layer (4) and used for coating the first sealing layer (4).
2. The flexible anode cable node sealing joint according to claim 1, further comprising a heat-shrinkable sleeve (7), wherein the heat-shrinkable sleeve (7) is sleeved on the sealing box (6).
3. The flexible anode cable node sealing joint according to claim 1, wherein said first sealing layer (4) is an insulating waterproof sealing layer.
4. The flexible anode cable joint sealing joint according to claim 1, wherein the second sealing layer (5) is an epoxy sealing layer.
5. The flexible anode cable joint sealing joint according to claim 1, characterized in that the sealing box (6) is a plastic sealing box.
6. The flexible anode cable node-sealed joint of claim 3, wherein the insulating and waterproof sealant layer comprises one to five layers of insulating and waterproof sealant layers.
7. The flexible anode cable node sealing joint according to claim 1, characterized in that the connection conductor (3) is a crimped copper sheet.
8. The flexible anode cable node sealed joint of claim 1, wherein said anode wire is a noble metal oxide anode wire.
9. The flexible anode cable node sealing joint according to claim 1, characterized in that the cable (2) is a copper core cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120366803.4U CN214937823U (en) | 2021-02-09 | 2021-02-09 | Flexible anode cable node sealing joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120366803.4U CN214937823U (en) | 2021-02-09 | 2021-02-09 | Flexible anode cable node sealing joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214937823U true CN214937823U (en) | 2021-11-30 |
Family
ID=79120599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120366803.4U Active CN214937823U (en) | 2021-02-09 | 2021-02-09 | Flexible anode cable node sealing joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214937823U (en) |
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2021
- 2021-02-09 CN CN202120366803.4U patent/CN214937823U/en active Active
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