CN211507161U

CN211507161U - Wire insulating sheath

Info

Publication number: CN211507161U
Application number: CN202020663557.4U
Authority: CN
Inventors: 董志宁; 曹君选; 拓行; 侯延生; 雷军平; 李梦倩; 侯博宇; 张彤; 李硕
Original assignee: Fuxian Power Supply Branch Of Shaanxi Local Power Group Co ltd
Current assignee: Fuxian Power Supply Branch Of Shaanxi Local Power Group Co ltd
Priority date: 2020-04-27
Filing date: 2020-04-27
Publication date: 2020-09-15
Anticipated expiration: 2030-04-27

Abstract

The utility model discloses an electric wire insulating sheath, including flexible sheath body, the installing opening that arranges along flexible sheath body extending direction is seted up to flexible sheath body outer peripheral face, and installing opening one side of flexible sheath body is equipped with a plurality of flexible fixed band that can circumference encircle on flexible sheath body outer peripheral face, a plurality of fixed orificess on the flexible fixed band, the utility model discloses can establish on exposed electric wire through the installation opening cover, constitute insulating protection to exposed electric wire through flexible sheath body, through the stable winding of flexible fixed band on flexible sheath body, avoid insulating sheath to take place the drunkenness to drop from the electric wire by external force simultaneously, not only can improve the stability of insulating sheath installation and be convenient for the dismouting maintenance, have higher practical value.

Description

Wire insulating sheath

Technical Field

The utility model relates to an electric wire insulation technical field, concretely relates to electric wire insulating sheath.

Background

At present, an insulated overhead wire has insulating property and certain corrosion resistance, and can effectively avoid interphase short circuit and grounding accidents, but an insulating layer is easy to age after long-time use, so that the insulating property of the insulated overhead wire is reduced, and particularly, the insulated overhead wire is easy to cause oxidation corrosion and damage to a bare conductor in bird-damaged complex living areas, above removed buildings, and serious areas such as humid air, acid rain and the like, so that a line is exposed; the exposed overhead wire is easy to be wound with foreign matters such as a reflective film and the like when being used for a long time, and the reflective film is easy to generate short circuit after being wound on the exposed wire due to certain electrical conductivity of some reflective films, so that the circuit is tripped; in addition, the exposed overhead wire is used in certain environments and is likely to be short-circuited due to the overlapping of foreign matters, so that the safety is reduced, and the workload of wire maintenance personnel is increased; therefore, it is necessary to protect the electric wire in the corresponding area.

SUMMERY OF THE UTILITY MODEL

To the defect among the prior art, the utility model provides an electric wire insulation sheath can constitute insulation protection to exposed electric wire, prevents that electrically conductive objects such as reflector film from twining and leading to the electric wire short circuit tripping operation on the electric wire.

The utility model adopts the technical proposal that: an electric wire insulating sheath comprises a flexible sheath body, wherein an installation opening arranged along the extending direction of the flexible sheath body is formed in the peripheral surface of the flexible sheath body, anti-falling protrusions and clamping grooves are respectively formed in two opposite side walls of the installation opening, and the anti-falling protrusions and the clamping grooves are matched in a clamping mode; the flexible sheath is characterized in that a plurality of flexible fixing belts capable of being circumferentially wound on the outer peripheral surface of the flexible sheath body are arranged on one side of the mounting opening of the flexible sheath body, the flexible fixing belts are arranged at intervals along the length direction of the flexible sheath body, a plurality of fixing holes are formed in the flexible fixing belts, and fixing clamps capable of being clamped with the fixing holes are arranged on the flexible sheath body.

In the technical scheme: the insulating sheath is established on exposed electric wire through the installation opening cover when using, constitutes insulation protection to exposed electric wire through flexible sheath body, and then avoids twine such as reflective membrane to lead to the electric wire to take place the condition such as short circuit on exposed electric wire. In order to improve the installation stability, the anti-falling protrusions and the clamping grooves on the opposite side walls of the installation opening can be clamped and matched, and under the action of external force, the anti-falling protrusions can be quickly clamped into the clamping grooves, so that the insulating sheath can be quickly assembled; in addition, in order to prevent that insulating sheath from taking place to drop after using for a long time, this technical scheme still can further fix the flexible sheath body through setting up flexible fixing band, install the back on the electric wire when the flexible sheath body, flexible fixing band can twine on the flexible sheath body, simultaneously through the protruding block of fixed orifices and fixing clip make flexible fixing band stable winding on the flexible sheath body, avoid insulating sheath to receive external force to take place the drunkenness and drop from the electric wire, not only can improve the stability of insulating sheath installation and be convenient for the dismouting maintenance.

Preferably, the surrounding groove for accommodating the flexible fixing belt is arranged at the surrounding position of the outer peripheral surface of the flexible sheath body corresponding to each flexible fixing belt, and the fixing clips are arranged in the surrounding groove at intervals.

Preferably, the flexible sheath body comprises an insulating inner layer, a flame-retardant layer and a tensile layer which are arranged from inside to outside, and the surface of the tensile layer is provided with an anti-aging layer.

Preferably, the inner surface of the insulating inner layer is provided with an anti-slip layer.

Preferably, the tensile layer is internally provided with a tensile woven net.

Preferably, the inner walls of the ports at the two ends of the flexible sheath are provided with water blocking cushions.

Preferably, the anti-dropping device further comprises an insulating series snap ring, the longitudinal section of the insulating series snap ring is arranged in a C shape, and a plurality of anti-dropping snap teeth are arranged on the inner surface of the insulating series snap ring.

The utility model has the advantages that: the utility model provides an electric wire insulating sheath can be established on the electric wire through the installation opening cover, constitutes insulation protection to the electric wire through flexible sheath body, and the accessible block is fixed when the installation realizes the quick assembly to insulating sheath, simultaneously through flexible fixed band stable winding on flexible sheath body, avoids insulating sheath to take place the drunkenness to drop from the electric wire by external force, not only can improve insulating sheath installation's stability and be convenient for dismouting maintenance, can be used to bare conductor because of outer insulation protection such as short circuit, ground connection that the foreign matter overlap joint arouses; the utility model discloses rational in infrastructure, security height have higher practical value.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is a perspective view of an electric wire insulating sheath according to a first embodiment of the present invention.

Fig. 2 is a cross-sectional view of an electric wire insulating sheath according to an embodiment of the present invention.

Fig. 3 is a side view of an insulating series buckle of an electric wire insulating sheath according to an embodiment of the present invention.

Fig. 4 is a schematic view of a multi-wire protection of a wire insulation sheath according to an embodiment of the present invention.

Fig. 5 is a schematic view illustrating an installation of the wire insulation sheath according to an embodiment of the present invention.

Reference numerals: the flexible sheath comprises a flexible sheath body 100, an installation opening 110, a surrounding groove 120, a fixing clamping protrusion 130, an anti-falling protrusion 140, an insulating inner layer 150, a flame-retardant layer 160, a tensile layer 170, a flexible fixing band 200, a fixing hole 210, an insulating series buckle 300, an anti-falling clamping tooth 310 and an electric wire 400.

Detailed Description

Here, it is to be noted that the functions, methods, and the like related to the present invention are only conventional adaptive applications of the related art. The present invention is described for better illustration of the function and method for better understanding of the present invention.

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.

Referring to fig. 1 to fig. 3, the wire insulating sheath provided in the embodiment includes a flexible sheath body 100, the outer peripheral surface of the flexible sheath body 100 is provided with an installation opening 110 arranged along the extending direction of the flexible sheath body, the insulating sheath is sleeved on the bare wire 400 through the installation opening 110 when in use, and the flexible sheath body 100 forms an insulating protection for the bare wire 400. Thus, even if the reflective film is wound on the electric wire 400, insulation can be formed through the insulating sheath, and the electric wire 400 is prevented from short circuit and the like; since the insulating sheath is installed through the installation opening, it is necessary to prevent the insulating sheath from falling off when in use, in this embodiment, two opposite side walls of the installation opening 110 are respectively provided with the anti-falling protrusion 140 and the engaging groove, and the anti-falling protrusion 140 and the engaging groove are engaged and adapted; the anti-falling protrusions 140 and the clamping grooves on the opposite side walls of the mounting opening can be matched in a clamping mode, and under the action of external force, the anti-falling protrusions 140 can be quickly clamped into the clamping grooves, so that the insulating sheath can be quickly assembled; in addition, the overhead wire 400 inevitably shakes or rides up when in use, in order to further improve the stability of the installation of the insulating sheath, a plurality of flexible fixing bands 200 capable of circumferentially surrounding the outer circumferential surface of the flexible sheath body 100 are arranged on one side of the installation opening 110 of the flexible sheath body 100, the flexible fixing bands 200 are arranged at intervals along the longitudinal direction of the flexible sheath body 100, a plurality of fixing holes 210 are arranged on the flexible fixing bands 200, and fixing clamping protrusions 130 capable of being clamped with the fixing holes 210 are arranged on the flexible sheath body 100. Like this, after flexible sheath body 100 installed on electric wire 400, flexible fixing band 200 can twine on flexible sheath body 100, and the block through fixed orifices 210 and the protruding 130 of fixing card makes flexible fixing band 200 stably twine on flexible sheath body 100 simultaneously, avoids insulating sheath to receive external force to take place the drunkenness to drop from electric wire 400, not only can improve the stability of insulating sheath installation and the dismouting of being convenient for is maintained.

As shown in fig. 1, as mentioned above, the flexible fixing tape 200 is wound around the outer circumference of the flexible sheath body 100 when being fixed, and in this embodiment, a surrounding groove 120 for accommodating the flexible fixing tape 200 is provided at a position of the outer circumference of the flexible sheath body 100 corresponding to the surrounding position of each flexible fixing tape 200, and the fixing protrusions 130 are arranged in the surrounding groove 120 at intervals. This enables the flexible securing strap 200 to be wound in the encircling groove 120, which improves the flatness of the surface of the insulating sheath and improves the stability of the flexible securing strap 200.

As shown in fig. 2, since the insulating sheath is mainly used for insulating and protecting the bare wire 400, and the insulating effect of the material of the insulating sheath itself needs to be ensured, the flexible sheath body 100 provided in this embodiment includes an insulating inner layer 150, a flame retardant layer 160 and a tensile layer 170 arranged from inside to outside, and an anti-aging layer is provided on the surface of the tensile layer 170. Like this, insulating inlayer 150 can play good insulating effect, and fire-retardant layer 160 can play fire-retardant effect, electric wire 400 takes place easily in actual installation and rocks and the drunkenness etc. can ensure insulating sheath's tensile property through setting up tensile layer 170, as preferred embodiment, tensile layer 170 embeds there is the tensile braid mesh, the tensile braid mesh has higher tensile effect, avoid insulating sheath to receive external force to damage, insulating sheath still accessible anti-aging layer constitutes the protection when using under the exposure environment, avoid its insulating effect to reduce. In addition, because the insulating sheath is sleeved on the electric wire 400, the electric wire is required to be prevented from sliding after installation, and in the embodiment, the anti-slip layer is arranged on the inner surface of the insulating inner layer 150, so that the anti-slip layer can prevent the insulating sheath and the electric wire 400 from sliding relatively, and the protection effect is improved. The present embodiment further provides water blocking pads on the inner walls of the ports at the two ends of the flexible sheath body 100. The water blocking pad can prevent rainwater and the like from entering between the insulating sheath and the electric wire 400.

As shown in fig. 4 and 5, in some embodiments, the insulating sheath may be simultaneously disposed on the plurality of electric wires 400, and this embodiment is suitable for protecting the electric wires with their own insulation, and the insulating sheath may also be used for protecting the bridge circuit on the utility pole after restraining the electric wires to form the insulating protection for the plurality of electric wires.

As shown in fig. 3, since each insulating sheath has a certain length, in some embodiments, it is necessary to provide an insulating protection longer than the insulating sheath for the electric wire 400, and when it is installed, it is necessary to connect a plurality of insulating sheaths in series, and this embodiment further provides an insulating series connection retaining ring 300 for fixing two adjacent insulating sheaths in series, the insulating series connection retaining ring 300 has a C-shaped longitudinal cross-section, and the inner surface of the insulating series connection retaining ring 300 is provided with a plurality of anti-falling retaining teeth 310. Insulating series connection buckle 300 can block on insulating sheath's surface, can play the fixed to two adjacent insulating sheaths through anticreep latch 310, and then improves insulating sheath series connection installation's stability, and insulating series connection buckle 300 prefers to select the plastics buckle that has modulus of elasticity in this embodiment. In practical application, the scheme provided by the embodiment has excellent electrical and anti-tracking and flame retardant properties, excellent weather resistance, high mechanical properties, characteristics of hydrophobicity, hydrophobicity migration and the like, excellent high and low temperature resistance, and can be continuously used in a complex environment. The composite insulation protective coating can be used for external insulation protection of short circuit, grounding and the like of bare conductors caused by foreign body lap joint, and can also be used for protection of oxidation erosion and damage of the bare conductors caused by bird damage, the bare conductors crossed above complex living areas and removed buildings, humid air, acid rain and the like. The installation and the disassembly are simple, convenient and quick, long-time power failure is not needed, and the use safety is higher.

In the specification of the present invention, a large number of specific details are explained. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, systems, and techniques have not been shown in detail in order not to obscure an understanding of this description.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims

1. An electric wire insulating sheath comprising a flexible sheath body (100), characterized in that:

the outer peripheral surface of the flexible sheath body (100) is provided with an installation opening (110) arranged along the extending direction of the flexible sheath body (100), two opposite side walls of the installation opening (110) are respectively provided with an anti-falling bulge (140) and a clamping groove, and the anti-falling bulge (140) is matched with the clamping groove in a clamping manner;

the flexible sheath is characterized in that one side of an installation opening (110) of the flexible sheath body (100) is provided with a plurality of flexible fixing belts (200) which can be circumferentially wound on the outer peripheral surface of the flexible sheath body (100) and are arranged at intervals along the length direction of the flexible sheath body (100), the flexible fixing belts (200) are provided with a plurality of fixing holes (210), and the flexible sheath body (100) is provided with fixing clamp protrusions (130) which can be clamped with the fixing holes (210).

2. The electric wire insulating sheath according to claim 1, wherein: the outer circumferential surface of the flexible sheath body (100) is provided with surrounding grooves (120) for accommodating the flexible fixing belts (200) corresponding to surrounding positions of the flexible fixing belts (200), and the fixing clamping protrusions (130) are arranged in the surrounding grooves (120) at intervals.

3. The electric wire insulating sheath according to claim 1, wherein:

the flexible sheath body (100) comprises an insulating inner layer (150), a flame-retardant layer (160) and a tensile layer (170), wherein the insulating inner layer, the flame-retardant layer and the tensile layer are arranged from inside to outside, and an anti-aging layer is arranged on the surface of the tensile layer (170).

4. The electric wire insulating sheath according to claim 3, wherein: the inner surface of the insulating inner layer (150) is provided with an anti-slip layer.

5. The electric wire insulating sheath according to claim 3, wherein: tensile woven mesh is arranged in the tensile layer (170).

6. The electric wire insulating sheath according to claim 1, wherein: the inner walls of the ports at the two ends of the flexible sheath body (100) are provided with water blocking cushions.

7. The electric wire insulating sheath according to any one of claims 1 to 6, wherein: the anti-dropping device is characterized by further comprising an insulating series snap ring (300), the longitudinal section of the insulating series snap ring (300) is arranged in a C shape, and a plurality of anti-dropping snap teeth (310) are arranged on the inner surface of the insulating series snap ring (300).