CN207883366U - A kind of pull resistance electric wire - Google Patents

Abstract

The utility model provides a kind of pull resistance electric wire, is related to wiring equipment field.Pull resistance electric wire, including electric main, the surface of the electric main is socketed with the first shell, the surface of first shell is socketed with the first tensile cord, the side of first tensile cord far from the first shell is socketed with second housing, and the surface of the second housing, which is socketed with, sets coil holder, and the surface for setting coil holder is overlapped with third shell, the surface of the third outer casing inner wall is plugged with the second tensile cord, and the side of second tensile cord far from third shell is plugged with secondary electric wire.The pull resistance electric wire; pass through the preliminary effect for playing anti-pulling of the rubber strip being wrapped on the 8th shell; prevent motive force from spending big caused electric wire shell breakage problem; pass through the filling of the first filler, the second filler and third filler; it ensure that the separation of internal structure; and internal structure is protected, the unstable of internal structure is prevented, the effect of waterproof and heat-insulating is also played.

Description

A kind of pull resistance electric wire

Technical field

The utility model is related to wiring equipment technical field, specially a kind of pull resistance electric wire.

Background technology

Electric wire refers to the conducting wire for transmitting electric energy；Divide bare wire, electromagnetic wire and insulated wire；Bare wire does not have insulating layer, including copper, aluminium Horizontal line, overhead stranded conductor and various proximate matters (such as molded line, busbar, copper bar, aluminium row)；It is mainly used for outdoor aerial and interior Bus-bar and switch-box；Electromagnetic wire generates magnetic field or incudes the insulated conductor for generating electric current in magnetic field after being switched on；It is main For motor and transformer pitch of the laps and other in relation to electromagnetic equipment；Its conductor is mainly copper wire, should have thin insulating layer and Good electricapparatus performance and the performances such as heat-resisting, moisture-proof, solvent resistant；Different insulating materials is selected to can get different Characteristic.

Frequently movement is needed but in construction site, when electric wire uses, therefore is had higher requirements to tensile property；But mesh Preceding electric wire tensile capacity is poor, and slightly pullling energetically will cause core to rupture, to cause the comdemning period of electric wire very short, It need to be replaced as frequently as, keep the cost of engineering development higher.

Utility model content

（One）The technical issues of solution

In view of the deficiencies of the prior art, the utility model provides a kind of pull resistance electric wire, solves electric wire in use, frequency Numerous movement causes core to rupture, the short problem of electric wire comdemning period.

（Two）Technical solution

In order to achieve the above object, the utility model is achieved by the following technical programs：A kind of pull resistance electric wire, including The surface of electric main, the electric main is socketed with the first shell, and the surface of first shell is socketed with the first tensile cord, described Side of first tensile cord far from the first shell is socketed with second housing, and the surface of the second housing, which is socketed with, sets coil holder, institute It states and sets the surface of coil holder and be overlapped with third shell, the surface of the third outer casing inner wall is plugged with the second tensile cord, and described second Side of the tensile cord far from third shell is plugged with secondary electric wire, and the third shell is socketed with far from the side for setting coil holder outside the 4th The surface of shell, the 4th shell is overlapped with third tensile cord, and the side of the third tensile cord far from the 4th shell is socketed with 5th shell, the 5th shell are coated with the first filler, the side of first filler far from the 5th shell It is socketed with the 6th shell, the 6th shell is coated with the second filler, and second filler is far from the 6th shell Side be socketed with the 7th shell, the 7th shell is coated with third filler, the surface of the third filler It is socketed with the 8th shell.

Preferably, first shell, third shell material be General Purpose Rubber material, outside the second housing and the 4th The material of shell is nylon material.

Preferably, first tensile cord and the second tensile cord are nylon wire, and the third tensile cord is Kafra fiber It is made.

Preferably, first filler is nylon wire, and second filler is fine sand.

Preferably, the material of the third filler be aluminium foil, the 5th shell, the 6th shell and the 7th shell material Matter is fibrage rope.

Preferably, it is soft rubber band that the surface wrap of the 8th shell, which has rubber strip, the rubber strip,.

（Three）Advantageous effect

The utility model provides a kind of pull resistance electric wire.Has following advantageous effect：

1, the pull resistance electric wire is prevented by the preliminary effect for playing anti-pulling of the rubber strip being wrapped on the 8th shell Only motive force spends big caused electric wire shell breakage problem, passes through the first filler, the second filler and third filler Filling, ensure that the separation of internal structure, and internal structure is protected, prevents the unstable of internal structure, also rise The effect of waterproof and heat-insulating is arrived.

2, the pull resistance electric wire, by the cooperation of third tensile cord and the 4th shell, allow the electric wire when pulled, can first by Third tensile cord bears external pulling force, plays good protecting effect to internal electric wire, passes through the second tension of setting Line protects secondary electric wire, prevents the fracture of by-pass, by setting the setting of coil holder, by electric main and external discrete, plays pole Good insulation blocking effect is carried out final pulling force and is reduced by the cooperation of the first tensile cord and second housing, by electric main by To pulling force be reduced to minimum, prevent electric main from causing to be broken due to excessive tension.

Description of the drawings

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the utility model structure schematic side view.

In figure, coil holder, 6 third shells, 7 second are set in 1 electric main, 2 first shells, 3 first tensile cords, 4 second housings, 5 Tensile cord, 8 secondary electric wires, 9 the 4th shells, 10 third tensile cords, 11 the 5th shells, 12 first fillers, 13 the 6th shells, 14 the Two fillers, 15 the 7th shells, 16 third fillers, 17 the 8th shells, 18 rubber strips.

Specific implementation mode

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work The every other embodiment obtained, shall fall within the protection scope of the present invention.

The utility model embodiment provides a kind of pull resistance electric wire, as shown in Figs. 1-2, including electric main 1, electric main 1 Surface is socketed with the first shell 2, and the surface of the first shell 2 is socketed with the first tensile cord 3, and the first tensile cord 3 is far from the first shell 2 Side be socketed with second housing 4, by the cooperation of the first tensile cord 3 and second housing 4, carry out final pulling force and reduce, will The pulling force that electric main 1 is subject to is reduced to minimum, prevents electric main 1 since excessive tension causes to be broken, the surface set of second housing 4 It is connected to and sets coil holder 5, by setting the setting of coil holder 5, by electric main 1 and external discrete, play fabulous insulation blocking effect, set line The surface of frame 5 is overlapped with third shell 6, and the surface of 6 inner wall of third shell is plugged with the second tensile cord 7, and the second tensile cord 7 is separate The side of third shell 6 is plugged with secondary electric wire 8, by the second tensile cord 7 of setting, is protected to secondary electric wire 8, prevents by-pass Fracture, third shell 6 is socketed with the 4th shell 9 far from the side for setting coil holder 5, the first shell 2, third shell 6 material be The material of General Purpose Rubber material, second housing 4 and the 4th shell 9 is nylon material, and the surface of the 4th shell 9 is overlapped with third and resists Bracing wire 10, the first tensile cord 3 and the second tensile cord 7 are nylon wire, and third tensile cord 10 is made of Kafra fiber, passes through third The cooperation of tensile cord 10 and the 4th shell 9 allows the electric wire that can first bear external pulling force by third tensile cord 10 when pulled, Good protecting effect is played to internal electric wire, side of the third tensile cord 10 far from the 4th shell 9 is socketed with outside the 5th Shell 11, the 5th shell 11 are coated with the first filler 12, side socket of first filler 12 far from the 5th shell 11 There are the 6th shell 13, the 6th shell 13 to be coated with the second filler 14, the first filler 12 is nylon wire, the second filling Object 14 is fine sand, and the second side of the filler 14 far from the 6th shell 13 is socketed with the 7th shell 15, the surface of the 7th shell 15 It is enclosed with third filler 16, the material of third filler 15 is aluminium foil, the 5th shell 11, the 6th shell 13 and the 7th shell 16 Material be fibrage rope ensure that interior by the filling of the first filler 12, the second filler 14 and third filler 16 The separation of portion's structure, and internal structure is protected, the unstable of internal structure is prevented, waterproof and heat-insulating is also played The surface of effect, third filler 16 is socketed with the 8th shell 17, and the surface wrap of the 8th shell 17 has rubber strip 18, rubber strip 18 be soft rubber band, by the preliminary effect for playing anti-pulling of the rubber strip 18 being wrapped on the 8th shell 17, prevents from drawing Power spends big caused electric wire shell breakage problem.

Operation principle：When pull resistance electric wire is by external pulling force, the extension for first passing through rubber strip 18 tentatively reduces drawing Power again shares pulling force by the cooperation of the 8th shell 17, the 7th shell 15 and the 6th shell 13, is set by inside The third tensile cord 10 set carries out pulling force three times and shares, and by the second tensile cord 7 and third shell 6, is protected to secondary electric wire 8 Shield is isolated external tensile force by setting coil holder 5, external tensile force is greatly reduced, the first shell 2, the first tensile cord 3 and the are passed through The cooperation of two shells 4 carries out final pulling force and shares, and protects internal electric main 1.

In conclusion the pull resistance electric wire, by the rubber strip 18 being wrapped on the 8th shell 17 it is preliminary play anti-drawing Dynamic effect prevents motive force from spending big caused electric wire shell breakage problem, passes through the first filler 12, the second filler 14 With the filling of third filler 16, it ensure that the separation of internal structure, and internal structure is protected, prevent internal junction Structure it is unstable, also play the effect of waterproof and heat-insulating.

Also, by the cooperation of third tensile cord 10 and the 4th shell 9, which can first be resisted when pulled by third External pulling force is born in bracing wire 10, and good protecting effect is played to internal electric wire, by the second tensile cord 7 of setting, Secondary electric wire 8 is protected, the fracture of by-pass is prevented, by setting the setting of coil holder 5, by electric main 1 and external discrete, plays pole Good insulation blocking effect carries out final pulling force and reduces, by electric main by the cooperation of the first tensile cord 3 and second housing 4 1 pulling force being subject to is reduced to minimum, prevents electric main 1 from causing to be broken due to excessive tension.

It should be noted that herein, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of pull resistance electric wire, including electric main（1）, it is characterised in that：The electric main（1）Surface be socketed with outside first Shell（2）, first shell（2）Surface be socketed with the first tensile cord（3）, first tensile cord（3）Far from the first shell （2）Side be socketed with second housing（4）, the second housing（4）Surface be socketed with and set coil holder（5）, described to set coil holder（5） Surface be overlapped with third shell（6）, the third shell（6）The surface of inner wall is plugged with the second tensile cord（7）, described second Tensile cord（7）Far from third shell（6）Side be plugged with secondary electric wire（8）, the third shell（6）It is separate to set coil holder（5）'s Side is socketed with the 4th shell（9）, the 4th shell（9）Surface be overlapped with third tensile cord（10）, the third tension Line（10）Far from the 4th shell（9）Side be socketed with the 5th shell（11）, the 5th shell（11）Be coated with One filler（12）, first filler（12）Far from the 5th shell（11）Side be socketed with the 6th shell（13）, described 6th shell（13）Be coated with the second filler（14）, second filler（14）Far from the 6th shell（13）One Side is socketed with the 7th shell（15）, the 7th shell（15）Be coated with third filler（16）, the third filling Object（16）Surface be socketed with the 8th shell（17）.

2. a kind of pull resistance electric wire according to claim 1, it is characterised in that：First shell（2）, third shell （6）Material be General Purpose Rubber material, the second housing（4）With the 4th shell（9）Material be nylon material.

3. a kind of pull resistance electric wire according to claim 1, it is characterised in that：First tensile cord（3）It is anti-with second Bracing wire（7）For nylon wire, the third tensile cord（10）It is made of Kafra fiber.

4. a kind of pull resistance electric wire according to claim 1, it is characterised in that：First filler（12）For nylon Net, second filler（14）For fine sand.

5. a kind of pull resistance electric wire according to claim 1, it is characterised in that：The third filler（16）Material be Aluminium foil, the 5th shell（11）, the 6th shell（13）With the 7th shell（15）Material be fibrage rope.

6. a kind of pull resistance electric wire according to claim 1, it is characterised in that：8th shell（17）Surface wrap There is rubber strip（18）, the rubber strip（18）For soft rubber band.