CN218826244U

CN218826244U - Bending-resistant electric wire with protective sleeve

Info

Publication number: CN218826244U
Application number: CN202222891422.5U
Authority: CN
Inventors: 张晓东; 景兴强
Original assignee: Sichuan Chuandu All Cable Co ltd
Current assignee: Sichuan Chuandu All Cable Co ltd
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2023-04-07
Anticipated expiration: 2032-10-31

Abstract

The application discloses a bending-resistant electric wire with a protective sleeve, which comprises a cable core; every the cable core outside all wraps up and is fixed with low density polyethylene inner protective cover, all the low density polyethylene inner protective cover outside parcel is fixed with ceramic silicon rubber fire protection cover, and one side staple bolt that low density polyethylene inner protective cover was kept away from to ceramic silicon rubber fire protection cover is fixed with soft polyurethane elasticity protective sheath. Through the cooperation of the low-density polyethylene inner protective sleeve, the soft polyurethane elastic protective sleeve, the thermoplastic elastomer anticorrosive protective sleeve and the low-density polyethylene flexible outer protective sleeve, under the condition of improving the insulating property of the electric wire, the flexibility and the extension shape of the electric wire are also ensured, the electric wire is also convenient to bend when being fully protected, the fireproof performance of the cable is improved through the fireproof characteristic of the ceramic silicon rubber fireproof protective sleeve, and the safety of the electric wire during use are ensured.

Description

Bending-resistant electric wire with protective sleeve

Technical Field

The application relates to a bending-resistant electric wire, in particular to a bending-resistant electric wire with a protective sleeve.

Background

The electric wire is a wire for transmitting electric energy, is mainly used for a motor and a transformer coil and other related electromagnetic equipment, is mainly a copper wire, has a thin insulating layer, good electrical and mechanical properties, heat resistance, moisture resistance, solvent resistance and the like, and is mainly used for outdoor overhead and indoor bus bars and switch boxes.

Because many electric wires are used for the open air, when using, in order to protect inside wire, can set up multilayer protection structure in the wire outside, traditional electric wire sets up multilayer protection structure back in the outside, when the winding displacement, can influence the electric wire and buckle according to the winding displacement because of reasons such as protection structure is thicker or harder, leads to the electric wire comparatively inconvenient when the winding displacement. Therefore, a bending-resistant electric wire provided with a protective sheath is proposed to address the above-mentioned problems.

Disclosure of Invention

The bending-resistant electric wire provided with the protective sleeve is provided in the embodiment, and is used for solving the problem that the electric wire in the prior art is inconvenient to bend when the wire is arranged due to the protection structure on the outer side of the electric wire.

According to one aspect of the application, a bending-resistant electric wire provided with a protective sleeve is provided, which comprises a cable core; every the cable core outside all wraps up and is fixed with interior lag of low density polyethylene, all interior lag outside parcel in the low density polyethylene is fixed with ceramic silicon rubber fire protection cover, and one side staple bolt that low density polyethylene interior lag was kept away from to ceramic silicon rubber fire protection cover is fixed with soft polyurethane elasticity protective sheath, one side parcel that ceramic silicon rubber fire protection cover was kept away from to soft polyurethane elasticity protective sheath is fixed with the anticorrosive protective sheath of thermoplastic elastomer, one side parcel that soft polyurethane elasticity protective sheath was kept away from to the anticorrosive protective sheath of thermoplastic elastomer is fixed with the flexible outer lag of low density polyethylene, and one side parcel that the anticorrosive protective sheath of thermoplastic elastomer was kept away from to the flexible outer lag of low density polyethylene is fixed with the flexible outer lag of low density polyethylene.

Furthermore, each cable core is twisted in a twist shape.

Further, the thickness of the ceramic silicon rubber fireproof protective sleeve is larger than that of the low-density polyethylene inner protective sleeve, and the thickness of the soft polyurethane elastic protective sleeve is equal to that of the ceramic silicon rubber fireproof protective sleeve.

Further, the thickness of the thermoplastic elastomer anti-corrosion protective sleeve is equal to that of the soft polyurethane elastic protective sleeve.

Further, the thickness of the low-density polyethylene flexible outer protective sleeve is larger than that of the thermoplastic elastomer anti-corrosion protective sleeve.

Furthermore, the outer layer of the flexible outer ethylene protective sleeve is provided with an ethylene propylene rubber wear-resistant protective sleeve, and the thickness of the ethylene propylene rubber wear-resistant protective sleeve is larger than that of the flexible outer low-density polyethylene protective sleeve.

Through the above-mentioned embodiment of this application, the flexible protection architecture of multilayer has been adopted, through the anticorrosive protective sheath of thermoplastic elastomer, the flexible design of the outer lag of low density polyethylene and the wear-resisting protective sheath of EP rubbers, when can be better protecting lag in the low density polyethylene, also avoid because of the anticorrosive protective sheath of thermoplastic elastomer, the outer lag of low density polyethylene and the wear-resisting protective sheath hardness of EP rubbers are too big to lead to the electric wire can't buckle, the inconvenient problem of buckling when having solved current electric wire because the protection architecture in its outside leads to its winding displacement, great improvement the suitability of electric wire.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic perspective view of an embodiment of the present application;

FIG. 2 is a schematic structural connection diagram of a cable core according to an embodiment of the present application;

FIG. 3 is a schematic cross-sectional side view of an embodiment of the present application.

In the figure: 1. a cable core; 2. a low density polyethylene inner protective sleeve; 3. a ceramic silicon rubber fireproof protective sleeve; 4. a soft polyurethane elastic protective sleeve; 5. a thermoplastic elastomer anti-corrosion protective sleeve; 6. a low density polyethylene flexible outer protective sleeve; 7. an ethylene propylene rubber wear-resistant protective sleeve.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances in order to facilitate the description of the embodiments of the application herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as the case may be.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that, in the present application, the embodiments and features of the embodiments may be combined with each other without conflict. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Referring to fig. 1-3, a bending-resistant electric wire with a protective sheath includes a cable core 1; every cable core 1 outside all wraps up and is fixed with lag 2 in the low density polyethylene, lag 2 outside parcel is fixed with ceramic silicon rubber fire protection cover 3 in all low density polyethylene, and one side staple bolt that lag 2 was kept away from in the low density polyethylene was fixed with soft polyurethane elasticity protective sheath 4 in ceramic silicon rubber fire protection cover 3, one side parcel that pottery silicon rubber fire protection cover 3 was kept away from to soft polyurethane elasticity protective sheath 4 is fixed with thermoplastic elastomer anticorrosive protection cover 5, one side parcel that soft polyurethane elasticity protective sheath 4 was kept away from to thermoplastic elastomer anticorrosive protection cover 5 is fixed with low density polyethylene flexible outer protective sheath 6, and one side parcel that thermoplastic elastomer anticorrosive protection cover 5 was kept away from to low density polyethylene flexible outer protective sheath 6 is fixed with low density polyethylene flexible outer protective sheath 6, improve the anticorrosive of pulling electric wire, when fire prevention and wear resistance, the resistant bending performance of electric wire has also been guaranteed, make things convenient for the bending under the different winding displacement of electric wire adaptation.

Each cable core 1 is wound in a twist shape, so that the connection tightness between the cable cores 1 is ensured; the thickness of the ceramic silicon rubber fireproof protective sleeve 3 is greater than that of the low-density polyethylene inner protective sleeve 2, and the thickness of the soft polyurethane elastic protective sleeve 4 is equal to that of the ceramic silicon rubber fireproof protective sleeve 3, so that the fireproof and corrosion-resistant performances of the cable are guaranteed; the thickness of the thermoplastic elastomer anticorrosion protective sleeve 5 is equal to that of the soft polyurethane elastic protective sleeve 4, so that the anticorrosion performance of the wire is improved; the thickness of the low-density polyethylene flexible outer protective sleeve 6 is larger than that of the thermoplastic elastomer anticorrosive protective sleeve 5, so that the flexibility of the electric wire is ensured, and the electric wire is more resistant to bending; the outer layer of the flexible outer ethylene propylene rubber protective sleeve 6 is provided with the wear-resistant ethylene propylene rubber protective sleeve 7, the thickness of the wear-resistant ethylene propylene rubber protective sleeve 7 is larger than that of the flexible outer low-density polyethylene protective sleeve 6, the wear-resistant performance of the electric wire is improved, and the electric wire can be better protected.

When the cable is used, the low-density polyethylene inner protective sleeve 2 and the low-density polyethylene flexible outer protective sleeve 6 are thermoplastic resin prepared by polymerizing ethylene, and have good flexibility, extensibility and electrical insulation, the overall insulation performance of the cable is improved, the ceramic silicon rubber fireproof protective sleeve 3 is a novel high-polymer fireproof material and has excellent characteristics of fire prevention, flame retardance, low smoke, no toxicity and the like, the soft polyurethane elastic protective sleeve 4 is a high-polymer compound, has good heat insulation, sound insulation, shock resistance and toxicity resistance, is oil-resistant, wear-resistant, low temperature resistant, ageing-resistant, high hardness and elasticity, the thermoplastic elastomer anticorrosive protective sleeve 5 has the characteristics of plastic and rubber, shows high elasticity of the rubber at normal temperature, can be plasticized at high temperature, has good ultraviolet resistance, weather resistance and high temperature resistance, and the ethylene propylene rubber wear-resistant protective sleeve 7 is a copolymer synthesized by using ethylene and propylene as basic monomers, and has excellent ageing-resistant performances of ozone resistance, heat resistance, weather resistance and good chemical resistance, electrical insulation performance, impact elasticity and low-temperature performance.

The application has the advantages that:

1. the electric wire bending protection device is simple to operate, and the low-density polyethylene inner protection sleeve 2, the soft polyurethane elastic protection sleeve 4, the thermoplastic elastomer anti-corrosion protection sleeve 5 and the low-density polyethylene flexible outer protection sleeve 6 are matched, so that the flexibility and the extension shape of the electric wire are ensured under the condition of improving the insulating property of the electric wire, the electric wire can be fully protected, and the electric wire can be conveniently bent;

2. this application is rational in infrastructure, has improved the wear resistance in the electric wire outside through the wear-resisting protective sheath 7 of EP rubbers, avoids the electric wire in long-term use, leads to fracture etc. because of wearing and tearing, and through the fire behavior of ceramic silicon rubber fireproof protective sheath 3, has improved the fire behavior of cable to guarantee the ann's security when electric wire uses.

It is well within the skill of those in the art to implement, without undue experimentation, the present application is not directed to software and process improvements, as they relate to circuits and electronic components and modules.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. The utility model provides a resistant electric wire that buckles with protective sheath which characterized in that: comprises a cable core (1); every cable core (1) the outside all wraps up and is fixed with interior lag (2) of low density polyethylene, all lag (2) the outside parcel is fixed with ceramic silicon rubber fire protection cover (3) in the low density polyethylene, and one side staple bolt that low density polyethylene interior lag (2) was kept away from in ceramic silicon rubber fire protection cover (3) is fixed with soft polyurethane elasticity protective sheath (4), one side parcel that ceramic silicon rubber fire protection cover (3) were kept away from in soft polyurethane elasticity protective sheath (4) is fixed with anticorrosive protective sheath of thermoplastic elastomer (5), one side parcel that soft polyurethane elasticity protective sheath (4) was kept away from in anticorrosive protective sheath of thermoplastic elastomer (5) is fixed with flexible outer lag (6) of low density polyethylene, and the flexible outer lag (6) of one side parcel that thermoplastic elastomer anticorrosive protective sheath (5) was kept away from in flexible outer lag of low density polyethylene (6) is fixed with flexible outer lag (6) of low density polyethylene.

2. A flex-resistant electric wire provided with a protective sheath according to claim 1, wherein: each cable core (1) is wound in a twist shape.

3. A kink-resistant wire provided with a protective sheath according to claim 1 characterized in that: the thickness of the ceramic silicon rubber fireproof protective sleeve (3) is larger than that of the low-density polyethylene inner protective sleeve (2), and the thickness of the soft polyurethane elastic protective sleeve (4) is equal to that of the ceramic silicon rubber fireproof protective sleeve (3).

4. A flex-resistant electric wire provided with a protective sheath according to claim 1, wherein: the thickness of the thermoplastic elastomer anti-corrosion protective sleeve (5) is equal to that of the soft polyurethane elastic protective sleeve (4).

5. A flex-resistant electric wire provided with a protective sheath according to claim 1, wherein: the thickness of the low-density polyethylene flexible outer protective sleeve (6) is larger than that of the thermoplastic elastomer anti-corrosion protective sleeve (5).

6. A flex-resistant electric wire provided with a protective sheath according to claim 1, wherein: the outer layer of the ethylene flexible outer protective sleeve (6) is provided with an ethylene propylene rubber wear-resistant protective sleeve (7), and the thickness of the ethylene propylene rubber wear-resistant protective sleeve (7) is larger than that of the low-density polyethylene flexible outer protective sleeve (6).