Corrosion-resistant cable cold shrinkage terminal

By introducing a partition table and protective sleeve into the cable cooling terminal head, the problem of inconvenient separation of the cable core is solved, the automatic separation of the cable core and corrosion resistance are enhanced, the installation stability is improved and the effect of preventing the terminals from falling off.

CN223261256UActive Publication Date: 2025-08-22ZHEJIANG ZHUOYUE POWER MATERIAL CO LTD
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Patent Information

Application Number
CN202422350618.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-26
Publication Date
2025-08-22
Estimated Expiration
2034-09-26

AI Technical Summary

Technical Problem

The existing cable cold shrink terminals are inconvenient to operate when separating three sets of cable cores and lack corrosion resistance.

Method used

A corrosion-resistant cable cold shrink terminal head is designed, including a partition table, wire hole, connection hole, connecting rod, separation cone bucket and cold shrink sleeve casing. Automatic separation of the cable core is achieved through threaded connection, and a protective sleeve and corrosion-resistant coating are provided on the outside of the cold shrink sleeve casing to enhance corrosion resistance.

Benefits of technology

It realizes convenient separation and fixation of the cable core, enhances the corrosion resistance of the cable cold shrink terminal head, improves installation stability and prevents the risk of terminals falling off.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a corrosion-resistant cable cold shrink terminal, and particularly relates to the technical field of cable cold shrink terminals, the corrosion-resistant cable cold shrink terminal comprises a cable main body, a cable core and a cold shrink sheath tube, the outer side of the cable main body is provided with a cold shrink three-finger sleeve, and the outer side of the cold shrink sheath tube is provided with a separation assembly. According to the utility model, through the arrangement of the separation table, after the cold-contraction sheath tube sleeves the outer side of the cold-contraction three-finger sleeve, three groups of cable cores can be inserted into three groups of wire holes in the separation table, and after the separation table is close to the end part of the cable main body, the separation conical barrel at the central position can be rotated; the connecting rod on the bottom side of the separation conical barrel is inserted into the connecting hole in the center of the separation table, can approach the separation table along with rotation of the separation conical barrel under threaded fit, and can assist in separation of surrounding cable cores along with downward movement of the separation conical barrel, so that the auxiliary separation function of the cable cold shrinkage terminal for the cold shrinkage three-finger sleeve is realized.
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Description

Technical Field

[0001] The utility model relates to the technical field of cable cold shrink terminal heads, in particular to a corrosion-resistant cable cold shrink terminal head. Background Art

[0002] Cable cold shrink terminal is a device used for connecting and terminating high-voltage power cables. Its working principle is to use cold shrink technology, through the principle of compression and expansion, to make the size and shape of the terminal adapt to the size and shape of the cable, thereby achieving reliable connection and termination. Cold shrink terminal does not require heat shrink equipment, which can reduce installation time and cost, and also reduce the risk of cable damage.

[0003] There are usually three groups of cable cores inside the cable. When using, the three groups of cable cores need to be separated. This operation is usually done manually, which is inconvenient.

[0004] Therefore, a corrosion-resistant cable cold shrink terminal head is needed to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a corrosion-resistant cable cold shrink terminal head to solve the problem in the above background technology that the cable cold shrink terminal head is not convenient for assisting in separating three groups of cable cores.

[0006] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a corrosion-resistant cable cold shrink terminal head, comprising a cable body, a cable core and a cold shrink sheath tube, a cold shrink three-finger sleeve is provided on the outside of the cable body, a cable core is provided inside the cable body, the top of the cable core extends to the outside of the cable body, a cold shrink sheath tube is provided on the outside of the cable core, a partition assembly is provided on the outside of the cold shrink sheath tube, the partition assembly comprises a partition platform, a wire hole, a connecting hole, a connecting rod, a partition cone barrel and a hexagonal groove, a partition platform is provided on the outside of the cold shrink sheath tube, a wire hole is provided inside the partition platform, a connecting hole is provided at the center position of the partition platform, a connecting rod is provided inside the connecting hole, a partition cone barrel is fixed on the top of the connecting rod, a hexagonal groove is provided at the center position of the top of the partition cone barrel, and a cold shrink terminal sleeve is provided on the top of the cold shrink sheath tube.

[0007] Preferably, three groups of wire holes are provided inside the partition table, and the three groups of wire holes are distributed in a ring shape.

[0008] Preferably, the interior of the connecting hole is provided with an internal thread, and the surface of the connecting rod is provided with an external thread.

[0009] Preferably, a wire sleeve is provided at the top of the cable core, a fixing hole is provided at the bottom end of the outer wall of the wire sleeve, a fixing bolt is provided inside the fixing hole, an anti-slip plate is fixed to the outer wall of the wire sleeve, a cold shrink sealing tube is provided on the outside of the wire sleeve, and a wiring terminal is fixed at the top of the wire sleeve.

[0010] Preferably, two groups of fixing holes are provided at the bottom end of the outer side of the wire sleeve, and the two groups of fixing holes are symmetrically distributed.

[0011] Preferably, a plurality of anti-skid plates are fixed on the outer side wall of the wire sleeve, and the plurality of anti-skid plates are distributed at equal intervals.

[0012] Preferably, a protective sleeve is provided on the outside of the cold shrink sheath tube, the outer wall of the protective sleeve is provided with a corrosion-resistant coating, the inner wall of the protective sleeve is provided with a first wire, and a second wire is provided at one end of the first wire.

[0013] Preferably, a plurality of the first threads and the second threads are provided on the inner side wall of the protective cover, and the plurality of the first threads and the second threads are cross-distributed.

[0014] Compared with the prior art, the beneficial effects of the present invention are as follows: by providing a separation platform, as the cold shrink sheath is sleeved on the outside of the cold shrink three-finger sleeve, the three groups of cable cores can be inserted into the three groups of wire holes inside the separation platform. After the separation platform is close to the end of the cable body, the separation cone barrel at the center position can be rotated, and the connecting rod on the bottom side of the separation cone barrel is inserted into the connecting hole at the center position of the separation platform. Under the threaded fit, as the separation cone barrel rotates, it can approach the separation platform. As the separation cone barrel moves downward, it can assist in separating the surrounding cable cores, thereby realizing the auxiliary separation function of the cable cold shrink terminal head for the cold shrink three-finger sleeve.

[0015] By providing a wire sleeve, as the wire sleeve is placed at the end of the cable core, the outer fixing bolt can be rotated, and the inner side of the fixing bolt abuts against the surface of the cable core, which can assist in fixing and prevent the terminal from falling off. At the same time, multiple sets of anti-slide plates are fixed on the surface of the wire sleeve, which can increase the friction between the cold shrink sealing tube and the cold shrink sealing tube after the cold shrink sealing tube is shrunk, thereby realizing the auxiliary fixing function of the cable cold shrink terminal head terminal;

[0016] A protective sleeve is provided, which can be assisted in fixing by insulating tape after being put on the outside of the cold shrinkable sheath tube. The first wire and the second wire woven into a mesh are located on the outside of the cold shrinkable sheath tube, and the inside thereof can protect the cold shrinkable sheath tube. The corrosion-resistant coating on the surface of the protective sleeve can help increase the corrosion resistance during use, thereby enhancing the protective function of the cold shrinkable sheath tube of the cable cold shrinkable terminal head. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1This is a schematic diagram of the front cross-sectional structure of the present utility model;

[0018] Figure 2 This is a schematic diagram of the top structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the front cross-sectional structure of the partition table of the present invention;

[0020] Figure 4 This is a schematic diagram of the cross-sectional structure of the wire sleeve of the present invention;

[0021] Figure 5 This is a schematic diagram of the front cross-sectional structure of the protective cover of the present invention.

[0022] In the figure: 1. Cable body; 2. Cold shrink three-finger sleeve; 3. Cable core; 4. Cold shrink sheath tube; 5. Partition table; 6. Wire hole; 7. Connecting hole; 8. Connecting rod; 9. Partition cone barrel; 10. Hexagonal slot; 11. Cold shrink terminal sleeve; 12. Wire sleeve; 13. Fixing hole; 14. Fixing bolt; 15. Anti-skid plate; 16. Cold shrink sealing tube; 17. Terminal block; 18. Protective cover; 19. Corrosion-resistant coating; 20. First wire; 21. Second wire. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] See also Figure 1-5, the utility model provides an embodiment: a corrosion-resistant cable cold shrink terminal head, including a cable body 1, a cable core 3 and a cold shrink sheath tube 4, a cold shrink three-finger sleeve 2 is provided on the outside of the cable body 1, a cable core 3 is provided inside the cable body 1, the top of the cable core sleeve 3 extends to the outside of the cable body 1, a cold shrink sheath tube 4 is provided on the outside of the cable core 3, and a partition component is provided on the outside of the cold shrink sheath tube 4. The partition component includes a partition table 5, a wire hole 6, a connecting hole 7, a connecting rod 8, a partition cone barrel 9 and a hexagonal slot 10, and the cold shrink sheath A partition table 5 is provided on the outside of the casing 4, and a wire hole 6 is provided inside the partition table 5. There are three groups of wire holes 6 inside the partition table 5, and the three groups of wire holes 6 are distributed in a ring shape. A connecting hole 7 is provided at the center position inside the partition table 5. The inside of the connecting hole 7 is provided with an internal thread, and the surface of the connecting rod 8 is provided with an external thread. A connecting rod 8 is provided inside the connecting hole 7. A partition cone barrel 9 is fixed to the top of the connecting rod 8. A hexagonal groove 10 is provided at the center position of the top of the partition cone barrel 9. A cold shrink terminal sleeve 11 is provided at the top of the cold shrink sheath tube 4;

[0025] Specifically, if Figure 1 and Figure 3 As shown, when in use, the separation platform 5 is sleeved on the outside of the three groups of cable cores 3 for use, and the three groups of cable cores 3 are respectively inserted into the three groups of wire holes 6 inside the separation platform 5 for separation. After the separation platform 5 is moved to the end position of the cable body 1, the connecting rod 8 at the bottom end of the separation cone barrel 9 can be inserted into the connecting hole 7 at the center position inside the separation platform 5 and connected through a thread. The separation cone barrel 9 is rotated and, with the help of the connecting rod 8 and the thread of the connecting hole 7, it can be moved toward the end of the cable body 1. In this way, with the help of the moving separation cone barrel 9, the cable core 3 can be assisted in moving around.

[0026] A wire sleeve 12 is provided at the top of the cable core 3, and a fixing hole 13 is provided at the bottom end of the outer wall of the wire sleeve 12. Two groups of fixing holes 13 are provided at the bottom end of the outer side of the wire sleeve 12, and the two groups of fixing holes 13 are symmetrically distributed. A fixing bolt 14 is provided inside the fixing hole 13. An anti-skid plate 15 is fixed to the outer wall of the wire sleeve 12. Several anti-skid plates 15 are fixed to the outer wall of the wire sleeve 12, and the several anti-skid plates 15 are evenly spaced. A cold shrink sealing tube 16 is provided on the outside of the wire sleeve 12, and a wiring terminal 17 is fixed to the top of the wire sleeve 12;

[0027] Specifically, if Figure 1 and Figure 4As shown, when in use, after the wire sleeve 12 is sleeved on the end of the cable core 3, the outer fixing bolt 14 can be tightened. After the inner side of the fixing bolt 14 abuts against the surface of the cable core 3, the position of the wire sleeve 12 can be fixed to prevent the terminal 17 from falling off. Afterwards, an insulating tape can be wrapped here to increase safety. After that, the cold shrink sealing tube 16 can be sleeved on the outside of the connection for cold shrinkage. Multiple sets of anti-slide plates 15 are located on the surface of the wire sleeve 12, which can increase the friction between the cold shrink sealing tube 16 when it is cold shrinking to prevent it from falling off.

[0028] A protective sleeve 18 is provided on the outside of the cold shrink sheath tube 4, and a corrosion-resistant coating 19 is provided on the outer wall of the protective sleeve 18. A first wire 20 is provided on the inner wall of the protective sleeve 18, and a second wire 21 is provided at one end of the first wire 20. A plurality of first wires 20 and second wires 21 are provided on the inner wall of the protective sleeve 18, and the plurality of first wires 20 and second wires 21 are cross-distributed.

[0029] Specifically, if Figure 5 As shown, when in use, the protective sleeve 18 is put on the outside of the cold shrink sheath tube 4, and the end part can be fixed by an insulating tape. The outside of the protective sleeve 18 is coated with a corrosion-resistant coating 19, which can increase the corrosion resistance during use. On the inside, there are first wires 20 and second wires 21 that cross each other and are woven into a mesh, which can increase the toughness during use.

[0030] Working principle: When in use, first put the cold shrink three-finger sleeve 2 on the outside of the cable body 1 and the cable core 3, and then put the cold shrink sheath 4 on the outside of the three groups of cable cores 3 for use. At the same time, put the protective sleeve 18 on the outside of the cold shrink sheath 4 for use. The opening is sealed and fixed with insulating tape. The outside of the protective sleeve 18 is coated with a corrosion-resistant coating 19, which can increase the corrosion resistance during use. On the inside, there are first wires 20 and second wires 21 that cross each other and are woven into a mesh, which can increase the toughness during use and avoid damage to the longer cold shrink sheath 4. Afterwards, the three groups of cable cores 3 can be inserted into the three groups of wire holes 6 inside the partition table 5 for separation. After the partition table 5 is moved to the end position of the cable body 1, the connecting rod 8 at the bottom of the partition cone barrel 9 can be inserted into the connecting hole 7 at the center position inside the partition table 5, and connected through threads. Rotate the partition cone barrel 9 and connect the connecting rod 8 and the connecting hole 7. With the help of the thread, it can be moved to the end of the cable body 1, so that with the help of the movable separating cone barrel 9, the cable core 3 can be assisted to move around, and the separation operation between the three groups of cable cores 3 can be completed with the help of the separating platform 5 and the separating cone barrel 9. After that, the cold shrink terminal sleeve 11 can be put on the front end of the cold shrink sheath tube 4, and the wire sleeve 12 can be put on the end of the cable core 3. A fixing bolt 14 is provided on the outside of the wire sleeve 12. After tightening the outer fixing bolt 14 and the inner side of the fixing bolt 14 is against the surface of the cable core 3, the position of the wire sleeve 12 can be assisted to fix to prevent the terminal 17 from falling off. After that, insulating tape can be wrapped here to increase safety. After that, the cold shrink sealing tube 16 can be put on the outside of the connection for cold shrinkage. Multiple sets of anti-slide plates 15 are located on the surface of the wire sleeve 12, which can increase the friction between each other when the cold shrink sealing tube 16 is cold shrinking to prevent it from falling off, thereby increasing the stability of the terminal 17 after installation.

[0031] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A corrosion-resistant cable cold shrink terminal head, comprising a cable body (1), a cable core (3) and a cold shrink sheath (4), characterized in that: A cold shrink three-finger sleeve (2) is provided on the outside of the cable body (1), a cable core (3) is provided inside the cable body (1), the top end of the cable core (3) extends to the outside of the cable body (1), a cold shrink sheath tube (4) is provided on the outside of the cable core (3), and a separation component is provided on the outside of the cold shrink sheath tube (4); The partition assembly comprises a partition platform (5), a wire hole (6), a connecting hole (7), a connecting rod (8), a partition cone barrel (9) and a hexagonal slot (10); the partition platform (5) is provided on the outside of the cold shrink sheath tube (4); the wire hole (6) is provided inside the partition platform (5); the center position of the partition platform (5) is provided with a connecting hole (7); the connection rod (8) is provided inside the connecting hole (7); the top end of the connecting rod (8) is fixed with a partition cone barrel (9); the center position of the top end of the partition cone barrel (9) is provided with a hexagonal slot (10); and the top end of the cold shrink sheath tube (4) is provided with a cold shrink terminal sleeve (11).

2. The corrosion-resistant cable cold shrink terminal according to claim 1, characterized in that: Three groups of wire holes (6) are provided inside the partition table (5), and the three groups of wire holes (6) are distributed in a ring shape.

3. The corrosion-resistant cable cold shrink terminal according to claim 1, characterized in that: The interior of the connecting hole (7) is provided with an internal thread, and the surface of the connecting rod (8) is provided with an external thread.

4. The corrosion-resistant cable cold shrink terminal according to claim 1, characterized in that: A wire sleeve (12) is provided at the top end of the cable core (3), a fixing hole (13) is provided at the bottom end of the outer wall of the wire sleeve (12), a fixing bolt (14) is provided inside the fixing hole (13), an anti-slip plate (15) is fixed to the outer wall of the wire sleeve (12), a cold shrink sealing tube (16) is provided on the outside of the wire sleeve (12), and a wiring terminal (17) is fixed at the top end of the wire sleeve (12).

5. The corrosion-resistant cable cold shrink terminal according to claim 4, characterized in that: Two groups of fixing holes (13) are provided at the bottom end of the outer side of the wire sleeve (12), and the two groups of fixing holes (13) are symmetrically distributed.

6. The corrosion-resistant cable cold shrink terminal according to claim 4, characterized in that: A plurality of anti-skid plates (15) are fixed on the outer side wall of the wire sleeve (12), and the plurality of anti-skid plates (15) are distributed at equal intervals.

7. The corrosion-resistant cable cold shrink terminal according to claim 1, characterized in that: A protective sleeve (18) is provided on the outside of the cold shrink sheath tube (4), a corrosion-resistant coating (19) is provided on the outer wall of the protective sleeve (18), a first wire (20) is provided on the inner wall of the protective sleeve (18), and a second wire (21) is provided at one end of the first wire (20).

8. The corrosion-resistant cable cold shrink terminal according to claim 7, characterized in that: A plurality of the first threads (20) and the second threads (21) are arranged on the inner side wall of the protective cover (18), and the plurality of the first threads (20) and the second threads (21) are cross-distributed.