Integrated light waterproof cable convenient to use

Abstract

The utility model discloses an integrated light convenient waterproof cable, which comprises a cable body and a protective plug, and the protective plug is fixedly mounted on the cable body. According to the utility model, the waterproof fitting and the cable are integrated, and compared with a cable head locking thread by a pressing head to enable a sealing ring and the cable to be tightly extruded to realize waterproofness, the sealing of the interface is realized by the elastic tension of silicon rubber, and tedious operations such as perforation and screw turning are not needed; compared with the prior art, accessories are simplified, the size is greatly reduced, assembly is simplified, the assembly efficiency and the percent of pass are improved, and the cost is greatly reduced.

Description

Technical Field

[0001] This utility model discloses a cable, particularly an integrated lightweight, convenient, and waterproof cable, belonging to the field of engineering cable technology. Background Technology

[0002] When fire emergency lighting and evacuation guidance systems are used in damp locations such as subway tunnels and integrated utility tunnels, their protection level must be at least IP65. High protection levels for fire emergency lighting fixtures and fire emergency signage fixtures are achieved through both sealing of the housing and sealing of the cable entry / exit interfaces. Because the entry / exit cables are movable and generally subject to tensile stress, the interfaces often become loose, and the waterproofing performance frequently fails to meet standards.

[0003] Existing solutions for waterproofing cables entering and exiting the housing typically involve adding a waterproof gland at the housing entrance / exit. A waterproof gland generally consists of five components: a nut, a sealing washer, clamping claws, a sealing ring, and a tightening head. During use, the cable passes through the tightening head, sealing ring, clamping claws, and sealing washer in sequence. Tightening the threads between the tightening head and clamping claws causes the clamping claws to contract under pressure, tightly contacting the sealing ring with the cable to achieve waterproofing. Simultaneously, at the point where the cable passes through the entrance / exit hole, another nut is tightened to complete the waterproofing of the entire cable entry / exit. However, existing solutions using waterproof glands have as many as five components. During installation, the cable must be passed through each component sequentially, and two threaded parts need to be tightened. This assembly process is complex, resulting in low production efficiency, difficulty in controlling the pass rate, and a large space occupation due to the numerous components. The cable often protrudes significantly both inside and outside the housing, affecting the overall aesthetics of the product and occupying limited internal space. Summary of the Invention

[0004] To address the shortcomings of existing waterproof cables used in damp environments, such as those employing gland connectors, this invention provides an integrated, convenient waterproof cable. This design integrates the waterproof components with the cable, achieving waterproofing by tightening the threads with a tight-fitting head, unlike gland connectors that rely on the elastic tension of silicone rubber to seal the interface. This eliminates the need for cumbersome drilling and screwing operations. Compared to existing solutions, this design simplifies components, significantly reduces size, simplifies assembly, improves assembly efficiency and yield, and substantially reduces costs.

[0005] The technical solution adopted by this utility model to solve its technical problem is: an integrated lightweight and convenient waterproof cable, the cable including a cable body and a protective plug, the protective plug being fixedly installed on the cable body.

[0006] The technical solution adopted by this utility model to solve its technical problem further includes:

[0007] The cable body can be a two-core cable, a single-core cable, a three-core cable, or a multi-core cable.

[0008] The cable body includes one or more conductors, with an inner protective sheath covering the outside of the conductors and an outer protective sheath covering the outside of the inner protective sheath.

[0009] The protective plug includes a slope, a groove, and a protective retaining wall. The bottom of the slope is connected to the groove, and the bottom of the groove is connected to the protective retaining wall.

[0010] The front end of the inclined face is provided with a first guard ring.

[0011] The rear end of the protective retaining wall is equipped with a second wire guard ring.

[0012] The protective plug is circular.

[0013] The beneficial effects of this utility model are: This utility model integrates the waterproof accessories with the cable. Compared with the gland head, which relies on the tight screw thread to make the sealing ring and cable tightly squeezed to achieve waterproofing, this utility model relies on the elastic tension of the silicone rubber itself to achieve the seal at the interface. There is no need to perform cumbersome operations such as drilling and screwing. Compared with the existing technical solutions, it simplifies the accessories, greatly reduces the size, simplifies the assembly, improves the assembly efficiency and qualification rate, and greatly reduces the cost.

[0014] This utility model integrates the protective plug with the cable through injection molding, reducing the number of components and simplifying installation. Utilizing the high elasticity of silicone, the protective plug achieves a tight bond between itself and the housing, thus providing waterproofing and eliminating the need for the traditional threaded clamping method.

[0015] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0017] Figure 2 for Figure 1 A magnified schematic diagram of part A in the diagram.

[0018] Figure 3 This is a three-dimensional structural schematic diagram of the present invention from another perspective.

[0019] Figure 4 for Figure 3 A magnified schematic diagram of the B section in the diagram.

[0020] Figure 5 This is a cross-sectional structural diagram of the present invention.

[0021] Figure 6 for Figure 5 A magnified schematic diagram of the C-shaped structure.

[0022] In the diagram, 1-cable body, 11-core wire, 12-inner protective sheath, 13-outer protective sheath, 2-protective plug, 21-protective retaining wall, 22-sloping surface, 23-first protective ring, 24-groove, 25-second protective ring. Detailed Implementation

[0023] This embodiment is a preferred embodiment of the present invention. All other embodiments that are the same as or similar to this embodiment in principle and basic structure are within the protection scope of the present invention.

[0024] Please refer to the appendix for details. Figure 1 To be continued Figure 6 This utility model primarily protects an integrated lightweight and convenient waterproof cable, which mainly comprises a cable body 1 and a protective plug 2, with the protective plug 2 fixedly installed on the cable body 1. In this embodiment, the protective plug 2 is made of silicone. During manufacturing, a cable body 1 of a specified length is placed in a mold of fixed dimensions. The silicone raw material for the protective plug 2 is heated to a molten state and then injection molded under pressure. Under high temperature, the cable body 1 and the protective plug 2 are tightly and firmly bonded together, thus forming an integrated lightweight and convenient waterproof cable. The waterproofing mainly involves two aspects: one is the waterproofing of the contact surface between the protective plug 2 and the cable body 1, and the other is the waterproofing of the contact point between the protective plug 2 and the housing's inlet / outlet hole.

[0025] In this embodiment, the cable body 1 uses a two-core cable. In specific implementations, it can also be used in single-core cables, three-core cables, or multi-core cables. In this embodiment, the cable body 1 includes two wire cores 11. The wire cores 11 can be made of copper or aluminum wire, or other conductive or light-guiding materials (when the cable body 1 uses optical fiber) as needed. Each wire core 11 is covered with an inner protective sheath 12, and the two cable cores are covered with an outer protective sheath 13, thereby forming the overall cable body 1.

[0026] In this embodiment, the protective plug 2 mainly includes a central through hole (forming a through hole due to the cable body 1 in the middle), a slope 22, a groove 24, and a protective retaining wall 21. The central through hole is mainly used for installing cables or wires. During manufacturing, heating is used to tightly bond the protective plug to the cable, achieving waterproofing of the contact surface between the protective plug and the cable. The inner diameter of the through hole at the slope 22 of the protective plug 2 is designed to be smaller than the diameter of the housing inlet / outlet hole, while the outer diameter at the slope 22 is larger than the diameter of the cable inlet / outlet hole in the housing. This design is mainly for ease of installation. This integrated lightweight design... The cable can be easily threaded into the cable entry / exit hole of the housing. The bottom of the inclined surface 22 is connected to a groove 24, the diameter of which is slightly larger than the diameter of the cable entry / exit hole. The entry / exit hole fits snugly into the groove 24. Utilizing the diameter difference and the elasticity of the silicone, the protective plug 2 is tightly pressed against the edge of the entry / exit hole, achieving a waterproof function. A protective barrier 21 is connected to the bottom of the groove 24. The protective barrier 21 is designed to prevent the cable from completely exiting the cable entry / exit hole and also to more firmly secure it to the edge of the entry / exit hole, allowing it to withstand greater tensile force without damage. In this embodiment, the protective plug 2 is designed as a circle. In specific implementations, it can also be designed as a square, irregular shape, etc., to meet the installation requirements of cable entry / exit holes in different housings.

[0027] In this embodiment, a first protective ring 23 is connected to the front end of the inclined surface 22, and a second protective ring 25 is connected to the rear end of the protective barrier 21. The first protective ring 23 and the second protective ring 25 protect the cable body 1 and minimize its damage during use.

[0028] This invention integrates waterproof accessories with the cable. Compared to gland heads that rely on tightening the threads to create a tight seal between the sealing ring and the cable for waterproofing, this invention relies on the elastic tension of the silicone rubber itself to achieve a seal at the interface. This eliminates the need for cumbersome drilling and screwing operations. Compared to existing technologies, this invention simplifies accessories, significantly reduces size, simplifies assembly, improves assembly efficiency and pass rate, and greatly reduces costs.

[0029] This utility model integrates the protective plug with the cable through injection molding, reducing the number of components and simplifying installation. Utilizing the high elasticity of silicone, the protective plug achieves a tight bond between itself and the housing, thus providing waterproofing and eliminating the need for the traditional threaded clamping method.

Claims

1. An integrated, lightweight, and convenient waterproof cable, characterized in that: The cable includes a cable body (1) and a protective plug (2), the protective plug (2) being fixedly installed on the cable body (1); The protective plug (2) includes a slope (22), a groove (24) and a protective barrier (21). The bottom of the slope (22) is connected to the groove (24), and the bottom of the groove (24) is connected to the protective barrier (21).

2. The integrated lightweight and convenient waterproof cable according to claim 1, characterized in that: The cable body (1) is a two-core cable, a single-core cable, a three-core cable or a multi-core cable.

3. The integrated lightweight and convenient waterproof cable according to claim 2, characterized in that: The cable body (1) includes one or more wire cores (11), the outer side of the wire core (11) is covered with an inner protective sheath (12), and the outer side of the inner protective sheath (12) is covered with an outer protective sheath (13).

4. The integrated lightweight and convenient waterproof cable according to claim 1, characterized in that: The front end of the inclined surface (22) is provided with a first guard ring (23).

5. The integrated lightweight and convenient waterproof cable according to claim 1, characterized in that: The rear end of the protective retaining wall (21) is provided with a second wire guard ring (25).

6. The integrated lightweight and convenient waterproof cable according to claim 1, characterized in that: The protective plug (2) is circular.

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