Household power line structure resistant to acid and alkali erosion

Abstract

The utility model relates to the technical field of power lines, and discloses a household power line structure resistant to acid and alkali erosion, which solves the problem that the existing power line is poor in erosion resistance, and comprises a power line body, the power line body is composed of a polytetrafluoroethylene erosion-resistant layer, a tensile sheath layer, a tensile assembly, a net-shaped shielding layer, a polybenzoate sheath layer, an aluminum foil protection layer and a plurality of wire cores, the polytetrafluoroethylene erosion-resistant layer is arranged on the outer surface of the tensile sheath layer in a sleeving mode, and the tensile assembly is fixedly connected to the interior of the tensile sheath layer; the tensile sheath layer is sleeved on the outer surface of the mesh shielding layer, the mesh shielding layer is sleeved on the outer surface of the polybenzoate sheath layer, the polybenzoate sheath layer is sleeved on the outer surface of the aluminum foil protection layer, the aluminum foil protection layer is sleeved on the outer surface of the wire core, and a flame-retardant filler is filled between the aluminum foil protection layer and the wire core; through the power line structure, the acid and alkali corrosion resistance can be improved, the tensile property is improved, the service life is prolonged, and the use safety is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of power lines, in particular to a household power line structure resistant to acid and alkali corrosion. Background Art

[0002] The power cord is a cable used to power household appliances. The performance of the power cord affects the safety of its use. The existing household power cord structure usually has only one sheath layer, and its corrosion resistance is poor. For example, power cords used in kitchens and bathrooms are easily corroded by oil and acidic environments during long-term use. When the power cord is corroded, it seriously affects the safety of its use and also affects its service life. Therefore, the present application proposes a household power cord structure that is resistant to acid and alkali corrosion to improve the acid and alkali corrosion resistance of the power cord. Utility Model Content

[0003] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a household power cord structure resistant to acid and alkali corrosion, which effectively solves the problem of poor corrosion resistance of the existing power cord.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a household power cord structure resistant to acid and alkali corrosion, comprising a power cord body, wherein the power cord body is composed of a polytetrafluoroethylene corrosion-resistant layer, a tensile sheath layer, a tensile assembly, a mesh shielding layer, a polyphenylene ester sheath layer, an aluminum foil protective layer and a plurality of wire cores, the polytetrafluoroethylene corrosion-resistant layer is sleeved on the outer surface of the tensile sheath layer, the tensile assembly is fixedly connected to the inside of the tensile sheath layer, the tensile sheath layer is sleeved on the outer surface of the mesh shielding layer, the mesh shielding layer is sleeved on the outer surface of the polyphenylene ester sheath layer, the polyphenylene ester sheath layer is sleeved on the outer surface of the aluminum foil protective layer, the aluminum foil protective layer is sleeved on the outer surface of the wire core, and flame-retardant filler is filled between the aluminum foil protective layer and the wire core.

[0005] Preferably, the outer surface of the polytetrafluoroethylene corrosion-resistant layer is provided with a plurality of micro-protrusions, and the outer surface of the polytetrafluoroethylene corrosion-resistant layer is provided with a hydrophobic coating.

[0006] Preferably, the wire core is composed of a polytetrafluoroethylene outer protective layer, an insulating layer and a conductor, the polytetrafluoroethylene outer protective layer is sleeved on the outer surface of the insulating layer, and the insulating layer is sleeved on the outer surface of the conductor.

[0007] Preferably, the tensile assembly is composed of a plurality of axial tensile reinforcements, a plurality of radial tensile reinforcements and a plurality of limiting connecting buckles, and the axial tensile reinforcements and the radial tensile reinforcements are fixedly connected by the limiting connecting buckles.

[0008] Preferably, the axial tensile reinforcement and the radial tensile reinforcement are both formed by twisting a number of thin steel wires, and the diameters of the axial tensile reinforcement and the radial tensile reinforcement are the same.

[0009] Preferably, the limiting connecting buckle is composed of a base plate, a plurality of axial bending folding pieces and a plurality of radial bending folding pieces. The axial bending folding pieces and the radial bending folding pieces are fixedly connected to the side edges of the base plate, and the axial bending folding pieces and the radial bending folding pieces are an integrated structure with the base plate.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] (1) During operation, by providing a power cord body composed of a polytetrafluoroethylene corrosion-resistant layer, a tensile sheath layer, a tensile assembly, a mesh shielding layer, a polyphenylene ester sheath layer, an aluminum foil protective layer and a plurality of wire cores, the overall acid and alkali corrosion resistance can be improved by the polytetrafluoroethylene corrosion-resistant layer and the polyphenylene ester sheath layer. By providing a polytetrafluoroethylene outer protective layer, secondary corrosion protection can be achieved for the insulating layer and the conductor. By providing micro-protrusions and a hydrophobic coating, the adhesion of acidic liquids, alkaline liquids and oil stains on the outer surface of the polytetrafluoroethylene corrosion-resistant layer can be reduced, thereby further improving the corrosion resistance.

[0012] (2) By providing a tensile assembly consisting of a plurality of axial tensile ribs, a plurality of radial tensile ribs and a plurality of limiting connecting buckles, the tensile resistance of the power cord can be improved. By providing a limiting connecting buckle consisting of a base plate, a plurality of axial bending pieces and a plurality of radial bending pieces, the axial tensile ribs and radial tensile ribs can be limited and fixed. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0014] In the attached picture:

[0015] Figure 1 This is a schematic diagram of the structure of a household power cord resistant to acid and alkali corrosion according to the utility model;

[0016] Figure 2 This is a cross-sectional view of the household power cord resistant to acid and alkali corrosion of the utility model;

[0017] Figure 3 This is a schematic diagram of the local structure of the polytetrafluoroethylene corrosion-resistant layer of the utility model;

[0018] Figure 4 For this utility model Figure 3 A partial enlarged view of

[0019] Figure 5 This is a cross-sectional view of the wire core of the utility model;

[0020] Figure 6 It is a schematic diagram of the local structure of the tensile component of the utility model;

[0021] Figure 7 This is a schematic diagram of the structure of the limit connecting buckle of the utility model;

[0022] In the figure: 1. Power cord body; 2. Polytetrafluoroethylene corrosion-resistant layer; 3. Tensile sheath layer; 4. Tensile assembly; 5. Mesh shielding layer; 6. Polyphenylene ester sheath layer; 7. Aluminum foil protective layer; 8. Wire core; 9. Flame retardant filler; 10. Micro protrusions; 11. Hydrophobic coating; 12. Polytetrafluoroethylene outer protective layer; 13. Insulation layer; 14. Conductor; 15. Axial tensile reinforcement; 16. Radial tensile reinforcement; 17. Limiting connector; 18. Base plate; 19. Axial bending and discount piece; 20. Radial bending and discount piece. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0024] Depend on Figures 1 to 4 The utility model provides a household power line structure resistant to acid and alkali corrosion, comprising a power line body 1, the power line body 1 is composed of a polytetrafluoroethylene corrosion-resistant layer 2, a tensile sheath layer 3, a tensile component 4, a mesh shielding layer 5, a polyphenylene ester sheath layer 6, an aluminum foil protective layer 7 and a plurality of wire cores 8, the polytetrafluoroethylene corrosion-resistant layer 2 is sleeved on the outer surface of the tensile sheath layer 3, the tensile component 4 is fixedly connected to the inside of the tensile sheath layer 3, the tensile sheath layer 3 is sleeved on the outer surface of the mesh shielding layer 5, the mesh shielding layer 5 is sleeved on the outer surface of the polyphenylene ester sheath layer 6, the polyphenylene ester sheath layer 6 is sleeved on the outer surface of the aluminum foil protective layer 7, the aluminum foil protective layer 7 is sleeved on the outer surface of the wire core 8, and a flame retardant filler 9 is filled between the aluminum foil protective layer 7 and the wire core 8;

[0025] The polytetrafluoroethylene corrosion-resistant layer 2 can achieve primary acid and alkali corrosion resistance, the polyphenylene ester sheath layer 6 can achieve secondary acid and alkali corrosion resistance, the tensile sheath layer 3 can improve the tensile resistance, the mesh shielding layer 5 and the aluminum foil protective layer 7 can achieve shielding performance, and the aluminum foil protective layer 7 can also improve the corrosion resistance to prevent corrosive liquid from corroding the inside of the wire core 8;

[0026] Depend on Figures 2 to 5It is shown that the outer surface of the polytetrafluoroethylene corrosion-resistant layer 2 is provided with a plurality of micro protrusions 10, the outer surface of the polytetrafluoroethylene corrosion-resistant layer 2 is provided with a hydrophobic coating 11, the wire core 8 is composed of a polytetrafluoroethylene outer protective layer 12, an insulating layer 13 and a conductor 14, the polytetrafluoroethylene outer protective layer 12 is sleeved on the outer surface of the insulating layer 13, and the insulating layer 13 is sleeved on the outer surface of the conductor 14;

[0027] By providing the micro protrusions 10, the liquid can flow quickly to prevent the liquid from adhering to the outer surface of the polytetrafluoroethylene corrosion-resistant layer 2. The hydrophobic coating 11 can further prevent the liquid from adhering to the outer surface of the polytetrafluoroethylene corrosion-resistant layer 2. The polytetrafluoroethylene corrosion-resistant layer 2 can further protect the insulating layer 13 and the conductor 14.

[0028] Depend on Figure 2 , Figure 6 and Figure 7 It is given that the tensile component 4 is composed of a plurality of axial tensile reinforcements 15, a plurality of radial tensile reinforcements 16 and a plurality of limiting connecting buckles 17. The axial tensile reinforcements 15 and the radial tensile reinforcements 16 are fixedly connected by the limiting connecting buckles 17. The axial tensile reinforcements 15 and the radial tensile reinforcements 16 are both composed of a plurality of thin steel wires twisted together. The diameters of the axial tensile reinforcements 15 and the radial tensile reinforcements 16 are the same. The limiting connecting buckle 17 is composed of a base plate 18, a plurality of axial bending folding pieces 19 and a plurality of radial bending folding pieces 20. The axial bending folding pieces 19 and the radial bending folding pieces 20 are both fixedly connected to the side edges of the base plate 18. The axial bending folding pieces 19 and the radial bending folding pieces 20 are an integrated structure with the base plate 18.

[0029] The overall tensile performance of the power cord can be improved by the axial tensile reinforcement 15 and the radial tensile reinforcement 16. The axial tensile reinforcement 15 and the radial tensile reinforcement 16 can be connected by the limiting connecting buckle 17 composed of the base plate 18, a plurality of axial bending folding pieces 19 and a plurality of radial bending folding pieces 20 to improve the overall stability. When connected, the axial tensile reinforcement 15 and the radial tensile reinforcement 16 are respectively located on both sides of the base plate 18, the axial bending folding piece 19 and the radial bending folding piece 20 are bent in opposite directions, and the axial tensile reinforcement 15 and the radial tensile reinforcement 16 are respectively fastened.

[0030] During operation, by providing a power cord body composed of a polytetrafluoroethylene corrosion-resistant layer, a tensile sheath layer, a tensile component, a mesh shielding layer, a polyphenylene ester sheath layer, an aluminum foil protective layer and a number of wire cores, the overall acid and alkali corrosion resistance can be improved by the polytetrafluoroethylene corrosion-resistant layer and the polyphenylene ester sheath layer, and by providing a polytetrafluoroethylene outer protective layer, secondary corrosion protection can be achieved for the insulating layer and the conductor, and by providing micro-protrusions and a hydrophobic coating, the adhesion of acidic liquids, alkaline liquids and oil stains to the outer surface of the polytetrafluoroethylene corrosion-resistant layer can be reduced, further improving the corrosion resistance; by providing a tensile component composed of a number of axial tensile ribs, a number of radial tensile ribs and a number of limiting connecting buckles, the tensile performance of the power cord can be improved, and by providing a limiting connecting buckle composed of a base plate, a number of axial bending and folding pieces and a number of radial bending and folding pieces, the axial tensile ribs and radial tensile ribs can be limited and fixed.

Claims

1. A household power cord structure resistant to acid and alkali corrosion, comprising a power cord body (1), characterized in that: The power cord body (1) is composed of a polytetrafluoroethylene corrosion-resistant layer (2), a tensile sheath layer (3), a tensile component (4), a mesh shielding layer (5), a polyphenylene ester sheath layer (6), an aluminum foil protective layer (7) and a plurality of wire cores (8); the polytetrafluoroethylene corrosion-resistant layer (2) is sleeved on the outer surface of the tensile sheath layer (3); the tensile component (4) is fixedly connected to the inside of the tensile sheath layer (3); the tensile sheath layer (3) is sleeved on the outer surface of the mesh shielding layer (5); the mesh shielding layer (5) is sleeved on the outer surface of the polyphenylene ester sheath layer (6); the polyphenylene ester sheath layer (6) is sleeved on the outer surface of the aluminum foil protective layer (7); the aluminum foil protective layer (7) is sleeved on the outer surface of the wire core (8); and a flame retardant filler (9) is filled between the aluminum foil protective layer (7) and the wire core (8).

2. The household power cord structure resistant to acid and alkali corrosion according to claim 1, characterized in that: The outer surface of the polytetrafluoroethylene erosion-resistant layer (2) is provided with a plurality of micro protrusions (10), and the outer surface of the polytetrafluoroethylene erosion-resistant layer (2) is provided with a hydrophobic coating (11).

3. The household power cord structure resistant to acid and alkali corrosion according to claim 1, characterized in that: The wire core (8) is composed of a polytetrafluoroethylene outer protective layer (12), an insulating layer (13) and a conductor (14); the polytetrafluoroethylene outer protective layer (12) is sleeved on the outer surface of the insulating layer (13), and the insulating layer (13) is sleeved on the outer surface of the conductor (14).

4. The household power cord structure resistant to acid and alkali corrosion according to claim 1, characterized in that: The tensile assembly (4) is composed of a plurality of axial tensile ribs (15), a plurality of radial tensile ribs (16) and a plurality of position-limiting connecting buckles (17); the axial tensile ribs (15) and the radial tensile ribs (16) are fixedly connected via the position-limiting connecting buckles (17).

5. The household power cord structure resistant to acid and alkali corrosion according to claim 4, characterized in that: The axial tensile reinforcement (15) and the radial tensile reinforcement (16) are both formed by twisting a number of thin steel wires, and the diameters of the axial tensile reinforcement (15) and the radial tensile reinforcement (16) are the same.

6. The household power cord structure resistant to acid and alkali corrosion according to claim 4, characterized in that: The position-limiting connection buckle (17) is composed of a base plate (18), a plurality of axial bending folding pieces (19) and a plurality of radial bending folding pieces (20). The axial bending folding pieces (19) and the radial bending folding pieces (20) are both fixedly connected to the side edges of the base plate (18). The axial bending folding pieces (19) and the radial bending folding pieces (20) are an integrated structure with the base plate (18).

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