Waterproof cable with shielding function

Abstract

The utility model discloses a waterproof cable with a shielding function, which comprises a cable core, a PVC (polyvinyl chloride) inner protection layer, a scratch-resistant wear-resistant layer and a rubber outer protection layer, the PVC inner protection layer and the scratch-resistant wear-resistant layer are arranged on the outer side of the cable core, the scratch-resistant wear-resistant layer is arranged on the outer side of a polyvinyl chloride insulation layer, and the rubber outer protection layer is arranged on the outer side of a rubber ring belt. Buffer cavities are formed in the middle of the rubber outer protection layer at equal angles. According to the waterproof cable with the shielding function, through the arrangement of the PVC inner protection layer and the scratch-resistant wear-resistant layer, the cable can be well protected, the wear resistance and scratch resistance of the cable are improved, through the arrangement of the non-woven fabric damp-proof layer, the movable damp-proof and waterproof effects can be achieved, and through the combination of the arrangement of the metal shielding net, the shielding effect is good. According to the cable, the shielding layer is arranged, external signals can be shielded, the stability of signal transmission is guaranteed, and a good buffering effect can be achieved when the cable is extruded by external force in combination with the arrangement of the rubber outer protection layer and the buffering cavity.

Description

Technical Field

[0001] The utility model relates to the technical field related to cables, in particular to a waterproof cable with a shielding function. Background Art

[0002] Cable refers to the transmission equipment used for controlling installation, connecting equipment, and transmitting power. It is a general term for optical cables and electrical cables. It is made of one or more mutually insulated conductors and an outer insulating protective layer. It is a common and indispensable thing in daily life.

[0003] Referring to the Chinese patent authorization announcement number CN203773997U, the authorization announcement date is 2014.08.13, which discloses a fireproof cable, which includes a sheath, wherein a plurality of twisted wire cores are arranged inside the sheath, each wire core includes a protective layer sheathed on the outside, and a plurality of wire bodies twisted together are arranged inside the protective layer, each wire body includes a copper core and an insulating layer wrapped around the outside of the copper core, a first mica layer for fire prevention is arranged outside the insulating layer, and a second mica layer is arranged inside the protective layer outside each wire core. The first mica layer and the second mica layer constitute a double fireproof structure, and the mica layer is used as a fire-resistant insulating layer of the cable to ensure that the cable can continue to operate within a certain period of time after a fire;

[0004] However, the existing technology has the problem that the cable has poor wear resistance, the outer layer of the cable is easily worn out when being dragged, and the cable core inside the cable is easily damaged when being squeezed, which affects the service life. For example, the comparative patents listed above have this problem;

[0005] To this end, we propose a waterproof cable with shielding function to solve the above problems. Utility Model Content

[0006] The purpose of the utility model is to provide a waterproof cable with a shielding function to solve the problem that the cable has poor wear resistance in the prior art proposed in the above background technology, the outer layer of the cable is easily worn out when dragged, and the cable core inside the cable is easily damaged when squeezed, thereby affecting the service life.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a waterproof cable with shielding function, comprising a cable core and a PVC inner protective layer arranged on the outer side of the cable core;

[0008] Also includes:

[0009] The anti-scratch and wear-resistant layer is arranged on the outside of the polyvinyl chloride insulation layer, and the anti-scratch and wear-resistant layer is combined with the rubber outer protective layer to improve the wear resistance of the cable;

[0010] The rubber outer protective layer is arranged on the outer side of the rubber ring belt, and a buffer cavity is opened at an equal angle in the middle of the rubber outer protective layer.

[0011] As a preferred technical solution of the utility model, a fireproof mica tape is filled between the cable core and the PVC inner protective layer, and a non-woven moisture-proof layer is wrapped on the outer side of the outer side of the PVC inner protective layer.

[0012] By adopting the above technical solution, the cable core is protected by filling the space between the cable core and the PVC inner protective layer with fire-proof mica tape, and the outer side of the outer side of the PVC inner protective layer is wrapped with a non-woven moisture-proof layer.

[0013] As a preferred technical solution of the utility model, a metal shielding mesh is bonded to the outside of the non-woven moisture-proof layer, and the metal shielding mesh is arranged between the non-woven moisture-proof layer and the polyvinyl chloride insulation layer, and the polyvinyl chloride insulation layer is evenly distributed on the outside of the metal shielding mesh.

[0014] By adopting the above technical solution, a metal shielding mesh is bonded to the outside of the non-woven moisture-proof layer, and the metal shielding mesh is arranged between the non-woven moisture-proof layer and the polyvinyl chloride insulation layer, and the polyvinyl chloride insulation layer is evenly distributed on the outside of the metal shielding mesh, which can play a certain shielding role.

[0015] As a preferred technical solution of the utility model, the anti-scratch and wear-resistant layer is arranged between the polyvinyl chloride insulation layer and the rubber ring belt;

[0016] Wherein, the anti-scratch and wear-resistant layer is formed by weaving glass fiber tape, nylon fiber tape and linen fiber tape together.

[0017] By adopting the above technical solution, the scratch-resistant and wear-resistant layer is arranged between the polyvinyl chloride insulation layer and the rubber ring belt;

[0018] The anti-scratch and wear-resistant layer is formed by weaving glass fiber tape, nylon fiber tape and linen fiber tape together, which improves the anti-wear and scratch resistance of the cable and extends the service life of the cable.

[0019] As a preferred technical solution of the utility model, the rubber ring belt is arranged on the inner side of the rubber outer protective layer, and the rubber ring belt is spirally wound and distributed on the outer side of the anti-scratch and wear-resistant layer.

[0020] By adopting the above technical solution, the rubber ring belt is arranged on the inner side of the rubber outer protective layer, and the rubber ring belt is spirally wound and distributed on the outer side of the anti-scratch and wear-resistant layer, which further provides good protection for the cable.

[0021] Compared with the prior art, the utility model has the following beneficial effects: the waterproof cable with shielding function can provide good protection for the cable in actual use through the setting of the PVC inner protective layer and the anti-scratch and wear-resistant layer, and improve the wear and scratch resistance of the cable. Moreover, through the setting of the non-woven fabric moisture-proof layer, it can achieve the effect of mobile moisture-proof and waterproof. Combined with the setting of the metal shielding net, it can provide shielding effect for external signals and ensure the stability of signal transmission. Combined with the setting of the rubber outer protective layer and the buffer cavity, it can provide good buffering effect when the cable is squeezed by external force, and further improve the protection effect of the cable.

[0022] 1. It is equipped with fireproof mica tape, PVC inner protective layer and non-woven moisture-proof layer. The fireproof mica tape and PVC inner protective layer can provide good protection for the cable core. The non-woven moisture-proof layer wrapped on the outside of the PVC inner protective layer can provide a certain waterproof and moisture-proof effect.

[0023] 2. It is equipped with a metal shielding net, a polyvinyl chloride insulation layer and an anti-scratch and wear-resistant layer. The metal shielding net and the polyvinyl chloride insulation layer can shield external interference signals to a certain extent, ensuring stable signal transmission. Combined with the setting of the anti-scratch and wear-resistant layer, the overall wear and scratch resistance of the cable is improved, extending the service life of the cable;

[0024] 3. A rubber outer protective layer and a buffer cavity are provided. The buffer cavity is arranged at equal angles in the rubber outer protective layer. Through the arrangement of the rubber outer protective layer and the buffer cavity, the cable can be well buffered and protected when squeezed by external force. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a schematic diagram of the front view cutaway structure of the utility model;

[0026] Figure 2 This is a schematic diagram of the side view structure of the connection between the anti-scratch and wear-resistant layer, the rubber ring belt and the cable core of the utility model;

[0027] Figure 3 This is a schematic diagram of the overall structure of the anti-scratch and wear-resistant layer of the utility model;

[0028] Figure 4 It is a schematic diagram of the side cutaway structure of the connection between the rubber outer protective layer and the buffer cavity of the utility model.

[0029] In the figure: 1. Cable core; 2. Fireproof mica tape; 3. PVC inner protective layer; 4. Non-woven moisture-proof layer; 5. Metal shielding mesh; 6. Polyvinyl chloride insulation layer; 7. Scratch and wear-resistant layer; 701. Glass fiber tape; 702. Nylon fiber tape; 703. Linen fiber tape; 8. Rubber ring belt; 9. Rubber outer protective layer; 10. Buffer cavity. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] See also Figure 1-4 The utility model provides a technical solution: a waterproof cable with shielding function, including a cable core 1, a fireproof mica tape 2, a PVC inner protective layer 3, a non-woven moisture-proof layer 4, a metal shielding mesh 5, a polyvinyl chloride insulation layer 6, a scratch-resistant and wear-resistant layer 7, a rubber ring belt 8, a rubber outer protective layer 9 and a buffer cavity 10.

[0032] When using this shielded waterproof cable, Figure 1 and Figure 2 As shown, a fireproof mica tape 2 is filled between the cable core 1 and the PVC inner protective layer 3. The arrangement of the PVC inner protective layer 3 and the fireproof mica tape 2 can provide a certain protection for the cable core 1. A non-woven moisture-proof layer 4 is arranged on the outside of the PVC inner protective layer 3. The arrangement of the non-woven moisture-proof layer 4 can provide a certain waterproof and moisture-proof effect to prevent the cable from being corroded by water vapor. A metal shielding mesh 5 is arranged on the outside of the non-woven moisture-proof layer 4. A polyvinyl chloride insulation layer 6 is arranged on the outside of the metal shielding mesh 5. The arrangement of the metal shielding mesh 5 and the polyvinyl chloride insulation layer 6 can provide a certain insulation and signal shielding effect, and can effectively prevent electromagnetic radiation interference from other surrounding high-power devices and strong power supplies, and prevent the cable from being interfered with, resulting in a significant decrease in the bit error rate of signal transmission;

[0033] Combination Figure 3 and Figure 4 As shown, the anti-scratch and wear-resistant layer 7 is woven together with a glass fiber belt 701, a nylon fiber belt 702 and a linen fiber belt 703. The provision of the anti-scratch and wear-resistant layer 7 greatly improves the actual wear and scratch resistance of the cable, preventing wear during dragging that affects the service life of the cable. At the same time, a spiral rubber outer protective layer 9 is wrapped around the outer side of the anti-scratch and wear-resistant layer 7. Combined with the provision of the rubber outer protective layer 9 and the rubber ring belt 8, the outside of the cable is well protected, and the buffer cavity 10 is arranged at an equal angle in the rubber outer protective layer 9. Through the provision of the rubber outer protective layer 9 and the buffer cavity 10, the cable can be well protected by buffering when it is squeezed.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A waterproof cable with shielding function, comprising a cable core (1) and a PVC inner protective layer (3) arranged outside the cable core (1); It is characterized in that Also includes: A scratch-resistant and wear-resistant layer (7), wherein the scratch-resistant and wear-resistant layer (7) is arranged on the outside of the polyvinyl chloride insulation layer (6), and the scratch-resistant and wear-resistant layer (7) is combined with the rubber outer protective layer (9) to improve the wear resistance of the cable; A rubber outer protective layer (9) is arranged on the outside of the rubber ring belt (8), and a buffer cavity (10) is opened at an equal angle in the middle of the rubber outer protective layer (9).

2. The waterproof cable with shielding function according to claim 1, characterized in that: A fireproof mica tape (2) is filled between the cable core (1) and the PVC inner protective layer (3), and a non-woven fabric moisture-proof layer (4) is wrapped around the outer side of the outer side of the PVC inner protective layer (3).

3. The waterproof cable with shielding function according to claim 2, characterized in that: A metal shielding mesh (5) is bonded to the outer side of the non-woven fabric moisture-proof layer (4), and the metal shielding mesh (5) is arranged between the non-woven fabric moisture-proof layer (4) and the polyvinyl chloride insulation layer (6), and the polyvinyl chloride insulation layer (6) is evenly distributed on the outer side of the metal shielding mesh (5).

4. The waterproof cable with shielding function according to claim 1, characterized in that: The anti-scratch and wear-resistant layer (7) is arranged between the polyvinyl chloride insulation layer (6) and the rubber ring belt (8); The scratch-resistant and wear-resistant layer (7) is formed by weaving a glass fiber tape (701), a nylon fiber tape (702) and a linen fiber tape (703) together.

5. The waterproof cable with shielding function according to claim 4, characterized in that: The rubber ring belt (8) is arranged on the inner side of the rubber outer protective layer (9), and the rubber ring belt (8) is spirally wound and distributed on the outer side of the anti-scratch and wear-resistant layer (7).

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