Cable with protective sleeve
By designing inner and outer jacket structures and reinforcing strips on the cable, the problem of sheath rupture caused by bending in complex environments is solved, thereby improving the cable's tensile and compressive strength and extending its service life.
Patent Information
- Application Number
- CN202423309414.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2034-12-31
AI Technical Summary
Cables are prone to damage and breakage in complex environments due to bending and other reasons, which can affect normal transmission and service life.
A cable with a protective sheath was designed, including an inner and outer sheath structure, with a reinforcing strip embedded between the inner and outer sheaths. The outer side of the outer sheath has a spiral protrusion structure with the reinforcing strip embedded in it. It is made of multi-strand galvanized steel wire wound together with aluminum alloy strip and materials such as polyvinyl chloride, polyurethane or ceramicized silicone rubber.
It improves the tensile and compressive strength of the cable, prevents the cable from breaking due to stretching or wear, and extends the service life of the cable.
Smart Images
Figure CN223757288U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to cable technical field, especially a kind of cable with protective sleeve. BACKGROUND
[0002] Cable is usually by several or several groups of wire (at least two in each group) is twisted, and the insulation between each group of wire is mutual, and it is twisted around a center, the whole cable is covered with highly insulated covering layer. The working environment of some cables is relatively complex, and the cable is easy to cause skin rupture, damage due to bending and other reasons, which will affect the normal transmission operation of the cable, leading to its inconvenience to use, short service life of cable. SUMMARY
[0003] In order to solve the above problems, the utility model provides a kind of cable with protective sleeve, which can prevent cable skin damage and prolong the service life of cable.
[0004] Therefore, the technical scheme of the utility model is as follows: a cable with protective sleeve, comprising a cable body, a conductive wire core is arranged inside the cable body, an inner sheath is arranged outside the conductive wire core, a first shielding layer and a first insulation layer are arranged outside the inner sheath; a first armor layer is arranged outside the first insulation layer, and a protective sleeve is arranged outside the first armor layer; the protective sleeve is divided into an inner sleeve body and an outer sleeve body, a first reinforcing strip is arranged between the inner sleeve body and the outer sleeve body, the outer sleeve body is provided with a spiral protrusion structure, and a second reinforcing strip is embedded in the protrusion structure, and the second reinforcing strip is wound on the outer side of the outer sleeve body in a spiral form.
[0005] On the basis of the above scheme and as a preferred scheme of the above scheme: the first reinforcing strip and the second reinforcing strip are twisted from a plurality of galvanized steel wires.
[0006] On the basis of the above scheme and as a preferred scheme of the above scheme: a plurality of protrusions are arranged on the inner sleeve body, and a plurality of recesses are arranged on the inner layer of the outer sleeve body, which work together.
[0007] On the basis of the above scheme and as a preferred scheme of the above scheme: the inner sleeve body and the outer sleeve body are made of polyvinyl chloride, polyurethane or ceramic silicon rubber.
[0008] On the basis of the above scheme and as a preferred scheme of the above scheme: the first armor layer is twisted from an aluminum alloy strip, and the aluminum alloy strip is twisted on the first insulation layer in a spiral shape.
[0009] On the basis of the above scheme and as a preferred scheme of the above scheme: the inner sheath is made of polyurethane elastomer, the first shielding layer is woven from tinned copper wire, and the first insulation layer is made of polytetrafluoroethylene.
[0010] Compared with the prior art, the protective sleeve of the utility model has the advantages that the protective sleeve is set as a double-layer structure composed of an inner sleeve body and an outer sleeve body, a first reinforcing strip is arranged between the inner sleeve body and the outer sleeve body, the tensile capacity of the protective sleeve can be effectively improved, when the cable is stretched or subjected to external force, the first reinforcing strip can effectively disperse and bear the force, preventing the cable from being broken due to stretching, the outer sleeve body is provided with a spiral protruding structure, and a second reinforcing strip is also embedded in the protruding structure, the compressive resistance of the surface of the protective sleeve can be improved, the surface of the outer sleeve body will not be abraded due to dragging, the integrity of the protective sleeve is ensured, and the service life of the cable is improved. BRIEF DESCRIPTION OF DRAWINGS
[0011] Figure 1 It is a structural schematic view of the utility model;
[0012] Figure 2 It is a structural sectional view of the utility model;
[0013] Figure 3 It is a partial enlarged view of Figure 2
[0014] In the drawing, it is marked as: conductive wire core 1, inner sheath 2, first shielding layer 3, first insulating layer 4, first armored layer 5, protective sleeve 6, inner sleeve body 61, outer sleeve body 62, protruding part 63, recessed part 64, first reinforcing strip 65, protruding structure 66, second reinforcing strip 67. DETAILED DESCRIPTION
[0015] In the description of the utility model, it needs to be explained that for the orientation words, such as the terms "center", "transverse (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation and positional relationship based on the orientation or positional relationship shown in the drawing, and are only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and cannot be understood as limiting the specific protection scope of the utility model.
[0016] In addition, if the terms "first", "second" are used for the purpose of description, they cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features. Therefore, the "first", "second" features can be explicitly or implicitly included one or more features, and in the description of the utility model, the meaning of "several", "several" is two or more than two, unless otherwise explicitly specified.
[0017] Referring to the drawings. The cable with protective sleeve described in the embodiment includes a conductive core 1 inside a cable body, an inner sheath 2 outside the conductive core 1, a first shielding layer 3 and a first insulation layer 4 outside the inner sheath 2; the inner sheath 2 is made of polyurethane elastomer, the first shielding layer 3 is woven by tinned copper wire, and the first insulation layer 4 is made of polytetrafluoroethylene.
[0018] The first insulation layer 4 is provided with a first armor layer 5 outside, the first armor layer 5 is wound by aluminum alloy strips, and the aluminum alloy strips are spirally wound on the first insulation layer 4. The first armor layer 5 is spirally wound, and the aluminum alloy strips are buckled in the winding process, forming a chain structure between layers, so that the cable can withstand external damage. When the cable is subjected to greater pressure and impact force, the cable is not easy to be punctured, and the safety performance is improved.
[0019] The first armor layer 5 is provided with a protective sleeve 6 outside, and the protective sleeve 6 is divided into an inner sleeve body 61 and an outer sleeve body 62. The inner sleeve body 61 and the outer sleeve body 62 are made of polyvinyl chloride, polyurethane or ceramic silicon rubber.
[0020] The inner sleeve body 61 is provided with a plurality of protruding portions 63, and the inner layer of the outer sleeve body 62 is provided with a plurality of recessed portions 64. The cooperation of the two can improve the tightness between the inner sleeve body 61 and the outer sleeve body 62. The first reinforcing strip 65 arranged in the axial direction is embedded between the inner sleeve body 61 and the outer sleeve body 62. The first reinforcing strip 65 is wound by a plurality of galvanized steel wires, which can effectively improve the tensile strength of the protective sleeve. When the cable is stretched or subjected to external force, the first reinforcing strip 65 can effectively disperse and bear these forces, preventing the cable from being broken due to stretching.
[0021] The outer side of the outer sleeve body 62 is provided with a spiral protruding structure 66, and the second reinforcing strip 67 is embedded in the protruding structure 66. The second reinforcing strip 67 is spirally wound on the outer side of the outer sleeve body 62. The second reinforcing strip is wound by a plurality of galvanized steel wires. The spiral protruding structure is arranged on the outer sleeve, and the second reinforcing strip is also embedded in the protruding structure, which can improve the pressure resistance of the surface of the protective sleeve, and the surface of the outer sleeve will not be abraded due to dragging, ensuring the integrity of the protective sleeve itself, thereby improving the service life of the cable.
[0022] The above is only the preferred embodiment of the present application, and the protection scope of the present application is not limited to the above-mentioned embodiments. Any technical solutions falling within the scope of the present application are also within the protection scope of the present application. It should be noted that, for ordinary technical personnel in the technical field, some improvements and decorations without departing from the principles of the present application are also considered as the protection scope of the present application.
Claims
1. A cable with a protective jacket, comprising a cable body, a conductive core is arranged inside the cable body, an inner sheath is arranged outside the conductive core, a first shielding layer and a first insulating layer are arranged outside the inner sheath; a first armor layer is arranged outside the first insulating layer, and a protective jacket is arranged outside the first armor layer; characterized in that: The protective sleeve is divided into an inner sleeve body and an outer sleeve body, a first reinforcing strip is arranged axially between the inner sleeve body and the outer sleeve body, the outer side of the outer sleeve body is provided with a spiral convex structure, and a second reinforcing strip is embedded in the spiral convex structure, and the second reinforcing strip is spirally arranged on the outer side of the outer sleeve body.
2. A cable with a protective jacket as defined in claim 1, characterized in that: The first reinforcing strip and the second reinforcing strip are made of multiple galvanized steel wires.
3. A cable with a protective jacket as defined in claim 1, characterized in that: The inner sleeve body is provided with a plurality of convex parts, and the inner layer of the outer sleeve body is provided with a plurality of groove parts.
4. A cable with a protective jacket as defined in claim 1, characterized in that: The inner sleeve body and the outer sleeve body are made of polyvinyl chloride, polyurethane or ceramic silicon rubber.
5. A cable with a protective jacket as defined in claim 1, characterized in that: The first armored layer is made of aluminum alloy strips, and the aluminum alloy strips are spirally wound on the first insulating layer.
6. A cable with a protective jacket as defined in claim 1, characterized in that: The inner protective sleeve is made of a polyurethane elastomer, the first shielding layer is made of a tinned copper wire, and the first insulating layer is made of polytetrafluoroethylene.