一种UL耐腐蚀热收缩套管

By introducing a multi-layer coating structure and anti-slip blocks into the heat shrink tubing, the problems of insufficient protection and clamping force are solved, achieving higher protection and stability, improving the tubing's waterproof, heat insulation, flame retardant and corrosion-resistant properties, and extending its service life.

CN224512925UActive Publication Date: 2026-07-17DONGGUAN LINGFEI HARDWARE & PLASTIC PROD CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
DONGGUAN LINGFEI HARDWARE & PLASTIC PROD CO LTD
Filing Date
2025-05-21
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing heat shrink tubing offers poor protection, insufficient clamping force, and is prone to detachment, reducing safety and practicality.

Method used

The sleeve employs a multi-layer coating structure, including a hot melt adhesive layer, metal wire, waterproof coating, heat insulation coating, braided layer, flame retardant coating, and anti-corrosion coating, which enhances the protection and clamping force of the sleeve and improves the connection stability through anti-slip blocks.

Benefits of technology

The heat shrink tubing has improved its protective properties and clamping strength, enhanced its waterproof, heat insulation, flame retardant and corrosion-resistant performance, prevented it from falling off, extended its service life, and improved its safety and practicality.

✦ Generated by Eureka AI based on patent content.

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Abstract

本实用新型涉及热缩套管技术领域，且公开了一种UL耐腐蚀热收缩套管，包括主体机构和防护机构，所述防护机构位于主体机构的外端，所述主体机构包括收卷辊、限位盘和热收缩套管本体，所述限位盘固定安装在收卷辊的上下两端，所述热收缩套管本体活动安装在收卷辊的外端，所述热收缩套管本体位于限位盘的中部，所述热收缩套管本体活动连接限位盘；所述主体机构还包括套管一、套管二和防滑块，所述套管一固定设置在热收缩套管本体的左端。该UL耐腐蚀热收缩套管，通过安装主体机构，便于提高热收缩套管的防护性，提高了热收缩套管卡紧力度，避免出现脱落的现象，提高了安全性，提高了实用性。
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Claims

1. A UL corrosion-resistant heat shrinkable sleeve comprising a body mechanism (1) and a protective mechanism (2), characterized in that: The protective mechanism (2) is located at the outer end of the main body (1). The main body (1) includes a take-up roller (101), a limiting plate (102), and a heat shrinkable sleeve body (103). The limiting plate (102) is fixedly installed at the upper and lower ends of the take-up roller (101). The heat shrinkable sleeve body (103) is movably installed at the outer end of the take-up roller (101). The heat shrinkable sleeve body (103) is located in the middle of the limiting plate (102). The heat shrinkable sleeve body (103) is movably connected to the limiting plate (102). The main body (1) also includes a first sleeve (104), a second sleeve (105), and an anti-slip block (106). The first sleeve (104) is fixedly installed at the left end of the heat shrinkable sleeve body (103), the second sleeve (105) is fixedly installed at the right end of the heat shrinkable sleeve body (103), and the anti-slip block (106) is fixedly installed at the inner end of the heat shrinkable sleeve body (103).

2. A UL corrosion-resistant heat shrinkable sleeve according to claim 1, characterized in that: The protective mechanism (2) includes a hot melt adhesive layer (201), a metal wire (202), a waterproof coating (203), a heat insulation coating (204), a braided layer (205), a flame retardant coating (206), and an anti-corrosion coating (207). The hot melt adhesive layer (201) is fixedly installed inside the heat shrink sleeve body (103).

3. A UL corrosion-resistant heat shrinkable sleeve according to claim 2, characterized in that: The metal wire (202) is fixedly installed at the inner end of the hot melt adhesive layer (201), and the waterproof coating (203) is fixedly installed at the inner end of the hot melt adhesive layer (201). The waterproof coating (203) is fixedly connected to the hot melt adhesive layer (201).

4. A UL corrosion-resistant heat shrinkable sleeve according to claim 3, characterized in that: The heat insulation coating (204) is fixedly disposed at the inner end of the waterproof coating (203), and the heat insulation coating (204) is fixedly connected to the waterproof coating (203). The braided layer (205) is fixedly disposed at the inner end of the heat insulation coating (204).

5. A UL corrosion-resistant heat shrinkable sleeve according to claim 4, characterized in that: The braided layer (205) is fixedly connected to the heat insulation coating (204). The braided layer (205) is located at the outer end of the anti-slip block (106). The braided layer (205) is fixedly connected to the anti-slip block (106). The flame retardant coating (206) is fixedly disposed at the outer end of the hot melt adhesive layer (201).

6. A UL corrosion-resistant heat shrinkable sleeve according to claim 5, characterized in that: The flame-retardant coating (206) is fixedly connected to the hot melt adhesive layer (201), and the anti-corrosion coating (207) is fixedly disposed on the outer end of the flame-retardant coating (206). The anti-corrosion coating (207) is fixedly connected to the flame-retardant coating (206).