Wear-resistant moisture-proof cable

Abstract

The utility model relates to a wear-resistant moisture-proof cable. Belongs to the technical field of cables, the special performance of the cable conductor, such as tensile resistance, bending resistance, moisture resistance and extrusion resistance, is improved by changing the structure of the traditional cable core, two sealing blocks are assembled into a circular structure, the middle part is provided with an installation area, the installation area is internally provided with a main wire core, and the outer side of each sealing block is provided with an extrusion layer. The outer side of the extrusion layer is provided with a buffer layer, the outer side of the buffer layer is provided with a steel tape armoring layer, the outer sheath is arranged on the outer side of the steel tape armoring layer, and the outer side of the steel tape armoring layer is provided with wear-resistant protrusions which extend to the outer side of the outer sheath. The compactness of the cable core is enhanced, the tensile resistance is enhanced, the strength of the cable is improved, the stress of the cable is symmetrical and balanced, and the damage to the cable caused by stress concentration is not easy to generate. The problem that the service life of the cable is short due to core breakage is well solved, the mechanical strength and the flexibility of the cable are improved, and the service life of the cable is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to cable technical field, specifically point to a kind of wear-resistant damp-proof cable. BACKGROUND

[0002] Wire and cable is used to transmit electric (magnetic) energy, information and realizes electromagnetic energy conversion wire product, is to transmit electric power or information from one place to another, cable has the characteristics of internal power supply, external insulation;The existing wire and cable structure wear resistance effect is relatively poor, and after using for a long time, waterproof effect is not ideal, it is difficult to meet the long-time use of wire and cable, bring great inconvenience to user;But the part that the existing cable is protected to cable core is generally designed to be relatively simple, usually only the sheath wrapped outside cable core, when stretching and dragging cable, sheath can rub with surrounding object, after using for a period of time, sheath is easily due to friction and appears gap, so water can easily enter the cable core inside through gap, greatly shorten the service life of cable. SUMMARY

[0003] The utility model solves above-mentioned technical problem, provide a kind of wear-resistant damp-proof cable.

[0004] To solve the above technical problems, the technical scheme provided by the utility model is:

[0005] A kind of wear-resistant damp-proof cable, including outer sheath and two sealing blocks in outer sheath, two the sealing block is assembled into circular structure, and installation area is set in middle part, and the main wire core is installed in the installation area;

[0006] The outer side of the sealing block is provided with extrusion layer, the outer side of the extrusion layer is provided with buffer layer, the outer side of the buffer layer is provided with steel belt armoring layer, the outer sheath is arranged at the outer side of the steel belt armoring layer, and the wear-resistant protrusion is arranged at the outer side of the steel belt armoring layer and extends to the outer side of the outer sheath.

[0007] Preferably, the extrusion layer is tightly wound on the outer side of the sealing block by braided wire.

[0008] Preferably, the outer side of the braided wire of the extrusion layer is coated with water-blocking paste.

[0009] Preferably, the main wire core sequentially includes conductor, conductor shielding layer, first insulating layer, metal wear-resistant layer, braided layer and outer jacket layer from inside to outside.

[0010] Preferably, the buffer layer is made of soft rubber material.

[0011] Preferably, the wear-resistant protrusion has a structure of large at the top and small at the bottom.

[0012] Preferably, a plurality of reinforcing cores are installed in the sealing block.

[0013] Preferably, the reinforcing core is three groups and arranged in a triangle.

[0014] With the above structure, the utility model has the following advantages:

[0015] The utility model discloses a cable core structure, which comprises a sealing block, a main wire core, an extrusion layer, a steel tape armor layer, an outer sheath and a wear-resistant protrusion, wherein the sealing block is arranged in the center of the cable core structure; the main wire core is arranged in the center of the sealing block; the extrusion layer is arranged on the outer side of the sealing block; the steel tape armor layer is arranged on the outer side of the extrusion layer; the outer sheath is arranged on the outer side of the steel tape armor layer; the wear-resistant protrusion is arranged on the outer side of the steel tape armor layer and extends to the outer side of the outer sheath. By changing the traditional cable core structure, the tensile resistance, bending resistance, moisture resistance and extrusion resistance of the cable conductor are improved. The compactness of the cable core is strengthened, the tensile resistance is enhanced, the strength of the cable is increased, the stress concentration of the cable is avoided, and the damage to the cable is reduced. The problem of short service life of the cable caused by the broken core is solved, the mechanical strength and flexibility of the cable are improved, and the service life of the cable is prolonged.

[0016] The above summary is intended to illustrate only and is not intended to limit the application in any way. Further aspects, implementations and features of the application will be apparent from the detailed description and drawings below. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without any creative effort.

[0018] Figure 1 is a cross-sectional view of the utility model;

[0019] Figure 2 is a cross-sectional view of the sealing block of the utility model.

[0020] As shown in the drawings: 1, sealing block; 101, installation area; 2, main wire core; 201, conductor; 202, conductor shielding layer; 203, first insulation layer; 204, metal wear-resistant layer; 205, braided layer; 206, sheath layer; 3, extrusion layer; 4, steel tape armor layer; 5, outer sheath; 6, wear-resistant protrusion; 7, buffer layer; 8, reinforcing core. DETAILED DESCRIPTION

[0021] The embodiments of the present application are described below in detail, examples of the embodiments are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only, for the purpose of explanation, and are not to be understood as a limitation of the present application.

[0022] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting" should be understood in a broad sense, for example, it can be fixed connection, or detachable connection, or integrally connected, it can be mechanical connection, or electrical connection, it can be directly connected, or indirectly connected through intermediate medium, it can be internal communication of two elements or interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0023] The utility model will be explained in detail below in combination with the whole text.

[0024] In combination with the drawings Figure 1 And Figure 2 A wear-resistant and moisture-proof cable, comprising an outer sheath 5 and two sealing blocks 1 inside the outer sheath 5, the two sealing blocks 1 are assembled into a circular structure, and a mounting area 101 is formed in the middle part, a main wire core 2 is installed in the mounting area 101, an extrusion layer 3 is installed on the outside of the sealing block 1, a buffer layer 7 is installed on the outside of the extrusion layer 3, a steel tape armor layer 4 is installed on the outside of the buffer layer 7, the outer sheath 5 is arranged on the outside of the steel tape armor layer 4, and wear-resistant protrusions 6 are installed on the outside of the steel tape armor layer 4 and extend to the outside of the outer sheath 5. By changing the traditional cable core structure, the special properties of the cable conductor such as tensile resistance, bending resistance, moisture resistance and extrusion resistance are improved.

[0025] The extrusion layer 3 is spirally and tightly wound on the outside of the sealing block 1 by braided wire, and the outside of the braided wire of the extrusion layer 3 is coated with water-blocking paste. Specifically, the water-blocking paste can form a water-blocking layer by spirally and tightly winding the braided wire, thereby improving the waterproof effect of the cable.

[0026] The main wire core 2 comprises, from inside to outside, a conductor 401, a conductor shielding layer 402, a first insulation layer 403, a metal wear-resistant layer 404, a braided layer 405 and an outer sleeve layer 406.

[0027] The buffer layer 7 is made of soft rubber material. When the buffer layer 7 made of soft rubber material is stressed, it can buffer and reduce the impact force.

[0028] The wear-resistant protrusion 6 is of a structure of large at the top and small at the bottom, a plurality of reinforcing cores 8 are arranged in the sealing block 1, the reinforcing cores 8 are arranged in three groups and in a triangular shape, the reinforcing cores 8 arranged in the groups support the cable body, and are favorable for compactness of the cable core, tensile strength, and strength of the cable, the cable is symmetrically stressed and balanced, and stress concentration is not prone to occur to damage the cable.

[0029] The working principle of the utility model is as follows:

[0030] By changing the traditional cable core structure, the tensile, bending, moisture, and extrusion resistance of the cable conductor are improved, two sealing blocks 1 are assembled into a circular structure, a mounting area 101 is formed in the middle, a main core 2 is arranged in the mounting area 101, an extrusion layer 3 is arranged on the outside of the sealing block 1, a buffer layer 7 is arranged on the outside of the extrusion layer 3, a steel belt armored layer 4 is arranged on the outside of the buffer layer 7, an outer sheath 5 is arranged on the outside of the steel belt armored layer 4, and a wear-resistant protrusion 6 is arranged on the outside of the steel belt armored layer 4 and extends to the outside of the outer sheath 5. By changing the traditional cable core structure, the tensile, bending, moisture, and extrusion resistance of the cable conductor are improved. The compactness of the cable core is improved, the tensile strength is improved, the strength of the cable is improved, the cable is symmetrically stressed and balanced, stress concentration is not prone to occur, and the cable is not damaged. The problem that the service life of the cable is short due to the broken core is solved, the mechanical strength and softness of the cable are improved, and the service life of the cable is improved.

[0031] Experimental test:

[0032] The cable of the utility model is tested, and the test method is as follows:

[0033] Three groups of cables (named as 01, 02, and 03) of the utility model and a comparative cable (named as 04) on the market are rubbed by fastening the cable body on the surface of a friction force detection assembly. During the test, the middle position of the cable body is fastened on the surface of a group of friction force detection assemblies by a first fastening shell, the two ends of the cable body are moved by driving a motor, the friction force detection assembly is used for rubbing the surface of the cable body, and the cable wire is taken out for appearance inspection and performance test.

[0034] The test results are as follows:

[0035] Appearance inspection Performance test 01 Normal Normal 02 Normal Normal 03 Normal Normal 04 Abnormal Normal

[0036] In summary, the cable of the utility model has wear resistance.

[0037] The above has described the utility model and its implementation mode, and this description is not restrictive, and the shown in the full text is only one of the implementation modes of the utility model, and the actual structure is not limited thereto. In general, if a person skilled in the art is inspired thereby, without departing from the creative purpose of the utility model, similar structural modes and embodiments are not creatively designed, which should belong to the protection scope of the utility model.

Claims

1. A moisture resistant, abrasion resistant cable, characterized by, The utility model relates to a kind of cable, including outer sheath (5) and two sealing blocks (1) in outer sheath (5), two the sealing block (1) is assembled into circular structure, and middle part is equipped with installation area (101), and main wire core (2) is installed in the installation area (101); The outer side of the sealing block (1) is provided with an extrusion layer (3), the outer side of the extrusion layer (3) is provided with a buffer layer (7), the outer side of the buffer layer (7) is provided with a steel tape armor layer (4), the outer sheath (5) is arranged outside the steel tape armor layer (4), the outer side of the steel tape armor layer (4) is provided with a wear-resistant protrusion (6) and the wear-resistant protrusion (6) extends to the outside of the outer sheath (5).

2. The moisture resistant, abrasion resistant cable of claim 1, wherein: The extrusion layer (3) is tightly wound on the outer side of the sealing block (1) by braided wire.

3. The moisture resistant, abrasion resistant cable of claim 2, wherein: The outer side of the braided wire of the extrusion layer (3) is coated with water-blocking paste.

4. The moisture resistant, abrasion resistant cable of claim 1, wherein: The main wire core (2) sequentially includes a conductor (201), a conductor shield layer (202), a first insulation layer (203), a metal wear-resistant layer (204), a braided layer (205) and an outer jacket layer (206) from inside to outside.

5. The moisture resistant, abrasion resistant cable of claim 1, wherein: The buffer layer (7) is made of soft rubber material.

6. The moisture resistant, abrasion resistant cable of claim 1, wherein: The wear-resistant protrusion (6) has a large upper part and a small lower part.

7. The moisture resistant, abrasion resistant cable of claim 1, wherein: A plurality of reinforcing cores (8) are installed in the sealing block (1).

8. The moisture resistant, abrasion resistant cable of claim 7, wherein: The reinforcing cores (8) are arranged in a triangular shape in three groups.

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