Waterproof connecting line

Abstract

The utility model discloses a waterproof connecting line which comprises a lead, one end of the lead is connected with a first connector, the other end of the lead is connected with a second connector, and the first connector comprises a first sheath and a first plug which are sequentially connected with one end of the lead. The second connector comprises a second sheath and a second plug which are sequentially connected with one end, far away from the first sheath, of the wire, the wire comprises a wire core, an inner insulating layer and an outer insulating layer, the wire core is coated with the inner insulating layer, the inner insulating layer is sleeved with the outer insulating layer, and a water-blocking yarn layer is filled between the inner insulating layer and the outer insulating layer. According to the utility model, the inner insulating layer and the outer insulating layer are used for isolating the wire core from water, the water-blocking yarn layer is used as a filler and has water-blocking and structure-supporting functions, and the water-blocking yarn layer expands quickly when encountering water to form a water-blocking barrier for preventing water from longitudinally permeating along the wire, so that the mechanical and waterproof performance of the wire is improved, the water erosion is reduced, and the service life of the wire is prolonged. And the service life of the wire is prolonged.

Description

Technical Field

[0001] This utility model relates to the field of cable harness technology, specifically a waterproof connecting cable. Background Technology

[0002] Wire harnesses or cables are mainly used for control installation, equipment connection, power transmission, and signal transmission, serving multiple functions and are a common and indispensable item in daily life. A wire harness or cable mainly consists of wire cores arranged from the inside out, a metal shielding layer surrounding the wire cores, and an insulating outer layer surrounding the metal shielding layer. The wire cores are used to transmit power or signals. The metal shielding layer is mainly used to prevent the electromagnetic field generated by the current transmitted by the wire cores from interfering with other components in the circuit, or to shield the electromagnetic field generated by other external components from affecting the current transmitted by the wire cores. The main function of the insulating outer layer is to isolate the live parts of the wire harness or cable from the outside, and also to protect the wire harness or cable from external damage.

[0003] However, some existing wire harnesses or cables are often placed in humid environments or are accidentally soaked by water during use. Since the insulation sheath is mostly made of polyvinyl chloride, it is easy to absorb water and get damp, and its waterproof performance is poor. Moisture can easily seep into the wire core from the insulation sheath or cable interface. In severe cases, when the insulation sheath or metal shielding layer is damaged by external force, moisture can easily seep into the wire core from the outer layer of the cable, causing problems such as short circuits, unstable transmission, and reduced cable life. This may even lead to major disasters such as electric shock and fire. Utility Model Content

[0004] The purpose of this invention is to provide a waterproof connector with significantly improved waterproof performance and cable lifespan, in order to solve the problems of poor waterproof performance, unstable transmission, and reduced cable lifespan mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A waterproof connector includes a conductor, one end of which is connected to a first connector and the other end to a second connector. The first connector includes a first sheath and a first plug sequentially connected to one end of the conductor. The second connector includes a second sheath and a second plug sequentially connected to the end of the conductor away from the first sheath. The conductor includes a core, an inner insulation layer, and an outer insulation layer. The inner insulation layer covers the core, and the outer insulation layer is sleeved on the inner insulation layer. A water-resistant yarn layer is filled between the inner and outer insulation layers.

[0007] Preferably, the first plug is a male plug, and its outer peripheral wall is provided with a first positioning ring and a second positioning ring distributed circumferentially along its length.

[0008] Preferably, the first positioning ring has a slot.

[0009] Preferably, the second plug is a female plug, with a protrusion on its outer peripheral wall along its length, and a stepped structure at the end of the second plug.

[0010] Preferably, the outer wall of the first sheath has a first pointing arrow, the end of which points to the slot on the first positioning ring.

[0011] Preferably, the outer wall of the second sheath is provided with a second directional arrow, the end of which points to a protrusion.

[0012] Preferably, the water-blocking yarn layer is made of water-absorbing fiber or super-absorbent polymer, the inner insulation layer is made of PVC, and the outer insulation layer is made of PE.

[0013] Preferably, the outer insulation layer is covered with a flame-retardant protective layer.

[0014] Preferably, the flame-retardant protective layer is a graphene-modified polyurethane coating.

[0015] Preferably, the outer wall of the conductor is connected to a plurality of synthetic paper waterproof labels, and the synthetic paper waterproof labels are printed with words.

[0016] Compared with the prior art, the beneficial effects of this utility model are:

[0017] 1. A water-blocking yarn layer is filled between the inner and outer insulation layers. Both the inner and outer insulation layers have certain water resistance and corrosion resistance, which isolates the wire core from water. The water-blocking yarn layer, as a filler, has both water-blocking and structural support functions. The water-blocking yarn layer expands rapidly when it comes into contact with water, forming a water-blocking barrier to prevent water from penetrating longitudinally along the conductor, protecting internal components, improving the mechanical and waterproof performance of the conductor, reducing water erosion, and extending the service life of the conductor.

[0018] 2. The outer peripheral wall of the first plug is provided with a first positioning ring and a second positioning ring distributed circumferentially along its length direction, so as to achieve positioning when the first plug is inserted with other components, improve the connection accuracy, and also serve as a stop to prevent over-insertion; the first positioning ring has a slot for installation with other components, which can also achieve the positioning function.

[0019] 3. The outer peripheral wall of the second plug has a protrusion along its length, and the end of the second plug has a stepped structure to facilitate positioning when the second plug is engaged with other components.

[0020] 4. The outer wall of the first sheath is provided with a first pointing arrow, the end of which points to the slot on the first positioning ring, so as to improve the connection accuracy of the first plug with other components and improve work efficiency.

[0021] 5. The outer insulation layer is covered with a flame-retardant protective layer, which is a graphene-modified polyurethane coating. This coating enhances flame retardancy and effectively prevents circuit fires caused by wiring problems or external factors, greatly improving the safety of the wires. Furthermore, the flame-retardant protective layer effectively inhibits water from wetting and penetrating the outer insulation layer, providing physical waterproofing and corrosion protection, thus creating the first barrier for waterproofing the wires. Attached Figure Description

[0022] Figure 1 This is a side view of the waterproof connecting wire of this utility model;

[0023] Figure 2 This is a top view of the first connector of this utility model;

[0024] Figure 3 This is a top view of the second connector of this utility model;

[0025] Figure 4 This is a cross-sectional view of the conductor of this utility model;

[0026] Figure 5 This is a schematic diagram of the waterproof connecting wire of this utility model.

[0027] In the diagram: 1. Wire; 11. Wire core; 12. Inner insulation layer; 13. Outer insulation layer; 14. Water-resistant yarn layer; 15. Flame-retardant protective layer; 2. First connector; 21. First sheath; 211. First directional arrow; 22. First plug; 23. First positioning ring; 231. Slot; 24. Second positioning ring; 3. Second connector; 31. Second sheath; 311. Second directional arrow; 32. Second plug; 33. Protrusion; 34. Stepped structure; 4. Synthetic paper waterproof label; 5. Cable tie; 6. Transparent PE self-sealing zipper bag. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0029] Please see Figure 1-4A waterproof connector includes a conductor 1, one end of which is connected to a first connector 2, and the other end to a second connector 3. The first connector 2 includes a first sheath 21 and a first plug 22 sequentially connected to one end of the conductor 1. The second connector 3 includes a second sheath 31 and a second plug 32 sequentially connected to the end of the conductor 1 away from the first sheath 21. The conductor 1 includes a core 11, an inner insulation layer 12, and an outer insulation layer 13. The inner insulation layer 12 covers the core 11, and the outer insulation layer 13 is sleeved on the inner insulation layer 12. A water-resistant yarn layer 14 is filled between the inner insulation layer 12 and the outer insulation layer 13. In this embodiment, there are two cores 11 in the outer insulation layer 13, each covered by the inner insulation layer 12. Alternatively, the number of cores 11 can be one or more.

[0030] Both the inner insulation layer 12 and the outer insulation layer 13 have certain water resistance and corrosion resistance, which isolates the wire core 11 from moisture. The water-blocking yarn layer 14, as a filler, has both water-blocking and structural support functions. The water-blocking yarn layer 14 expands rapidly when it comes into contact with water to form a water-blocking barrier, which is used to prevent water from penetrating longitudinally along the conductor 1, protecting the internal components, improving the mechanical and waterproof performance of the conductor 1, reducing water erosion, and extending the service life of the conductor 1.

[0031] Several synthetic paper waterproof labels 4 are connected to the outer wall of the conductor 1. The synthetic paper waterproof labels 4 are printed with words to indicate the product manufacturing information and functions.

[0032] Please see Figure 1-2 The first plug 22 is a male plug, and its outer peripheral wall is provided with circumferentially distributed first positioning rings 23 and second positioning rings 24 at intervals along its length. These rings facilitate positioning of the first plug 22 when it is inserted into other components, improving connection accuracy and also acting as a stop to prevent over-insertion. In this embodiment, the first positioning ring 23 has a slot 231 for mounting with other components, also serving a positioning function.

[0033] Please see Figure 1 as well as Figure 3 The second plug 32 is a female plug, and its outer peripheral wall is provided with a protrusion 33 along its length. The end of the second plug 32 is provided with a stepped structure 34 so that the second plug 32 can be positioned when it is in conjunction with other components.

[0034] Please see Figure 2 The outer wall of the first sheath 21 has a first directional arrow 211, the end of which points to the slot 231 on the first positioning ring 23. This improves the accuracy of the connection between the first plug 22 and other components, thereby increasing work efficiency. Please refer to [link / reference]. Figure 3The outer wall of the second sheath 31 is provided with a second pointing arrow 311, the end of which points to a protrusion 33. In this embodiment, the first pointing arrow 211 is concave or convex relative to the outer peripheral wall of the first plug 22, and the second pointing arrow 311 is concave or convex relative to the outer peripheral wall of the second plug 32.

[0035] Please see Figure 4 The water-blocking yarn layer 14 is made of absorbent fibers (such as nylon or polyester) or superabsorbent polymers (SAP), and the outer insulation layer 13 is covered with a flame-retardant protective layer 15. In this embodiment, the inner insulation layer 12 is made of PVC (polyvinyl chloride), and the outer insulation layer 13 is made of PE (polyethylene).

[0036] The flame-retardant protective layer 15 is a graphene-modified polyurethane coating. Graphene enhances flame retardancy, effectively preventing circuit fires caused by wiring problems or external factors, and greatly improving the safety of the wire. Furthermore, the flame-retardant protective layer 15 effectively inhibits water from seeping into and penetrating the outer insulation layer 13, providing physical waterproofing and corrosion protection, thus creating the first barrier for waterproofing the wire. When the flame-retardant protective layer 15 and the outer insulation layer 13 are damaged, the water-blocking yarn layer 14 acts as the second barrier, forming a water-blocking barrier. The inner insulation layer 12 acts as the third barrier, effectively protecting the core 11 from moisture erosion, thereby increasing the service life of the conductor 1.

[0037] Please see Figure 5 When storing or keeping wire 1, first wind wire 1 into a loop, then use several cable ties 5 to tie and secure the coiled wire 1 to prevent it from becoming tangled. Finally, seal the entire waterproof connection line with a transparent PE self-sealing bag 6 to prevent it from coming into contact with moisture or other corrosive substances.

[0038] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A waterproof connector, comprising a conductor (1), one end of which is connected to a first connector (2), and the other end of which is connected to a second connector (3), characterized in that: The first connector (2) includes a first sheath (21) and a first plug (22) connected in sequence to one end of the wire (1). The second connector (3) includes a second sheath (31) and a second plug (32) connected in sequence to the end of the wire (1) away from the first sheath (21). The wire (1) includes a core (11), an inner insulation layer (12) and an outer insulation layer (13). The inner insulation layer (12) covers the core (11), and the outer insulation layer (13) is sleeved on the inner insulation layer (12). A water-resistant yarn layer (14) is filled between the inner insulation layer (12) and the outer insulation layer (13).

2. The waterproof connector according to claim 1, characterized in that: The first plug (22) is a male plug, and its outer peripheral wall is provided with a first positioning ring (23) and a second positioning ring (24) distributed circumferentially along its length.

3. The waterproof connector according to claim 2, characterized in that: The first positioning ring (23) has a slot (231).

4. The waterproof connector according to claim 1, characterized in that: The second plug (32) is a female plug, and its outer peripheral wall is provided with a protrusion (33) along its length direction. The end of the second plug (32) is provided with a stepped structure (34).

5. The waterproof connector according to claim 3, characterized in that: The outer wall of the first sheath (21) is provided with a first pointing arrow (211), the end of which points to the slot (231) on the first positioning ring (23).

6. The waterproof connector according to claim 4, characterized in that: The outer wall of the second sheath (31) is provided with a second pointing arrow (311), and the end of the second pointing arrow (311) points to the protrusion (33).

7. The waterproof connecting wire according to any one of claims 1-6, characterized in that: The water-blocking yarn layer (14) is made of water-absorbing fiber or super-absorbent polymer, the inner insulation layer (12) is made of PVC, and the outer insulation layer (13) is made of PE.

8. The waterproof connector according to claim 1, characterized in that: The outer insulation layer (13) is covered with a flame-retardant protective layer (15) on its outer periphery.

9. The waterproof connecting wire according to claim 8, characterized in that: The flame-retardant protective layer (15) is a graphene-modified polyurethane coating.

10. The waterproof connector according to claim 1, characterized in that: The outer wall of the conductor (1) is connected to several synthetic paper waterproof labels (4), and the synthetic paper waterproof labels (4) are printed with words.

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