CN207409289U

CN207409289U - A kind of extraordinary spiral wires of anti-hydrolysis of high fire-retardance

Info

Publication number: CN207409289U
Application number: CN201721207996.9U
Authority: CN
Inventors: 王秀云; 唐成进; 李雅亮
Original assignee: TAIZHOU RISHUN ELECTRIC APPLIANCE DEVELOPMENT Co Ltd
Current assignee: TAIZHOU RISHUN ELECTRIC APPLIANCE DEVELOPMENT Co Ltd
Priority date: 2017-09-20
Filing date: 2017-09-20
Publication date: 2018-05-25
Anticipated expiration: 2027-09-20

Abstract

The utility model discloses a kind of extraordinary spiral wires of the anti-hydrolysis of high fire-retardance, including sheath, the sheath is internally provided with two insulation sleeves, two insulation sleeves are using the central axes of sheath as with reference to symmetrical, the inside of the sheath is also set up there are two liner item, for two liner items using the circle center line connecting in two insulation sleeve sections as with reference to symmetrical, the inside of two insulation sleeves is socketed with conductor, and the outside of two insulation sleeves and two liner items is surrounded with isolation strip.The utility model, by the sheath material of electric wire with modified polyether-type TPU come instead of the common polyester-type TPU of sheath in existing electric wire, to provide the performance of hydrolysis under long term high temperature bad border for the electric wire, plus two polyester-type TPU items liner is done in the inside of cable to increase the elasticity and physical property of whole cable, by being surrounded with isolation strip outside liner item and insulation sleeve, mica sheet can improve the flame retardant property of cable, solve the problems, such as to propose in background technology as non-combustible materials.

Description

A kind of extraordinary spiral wires of anti-hydrolysis of high fire-retardance

Technical field

The utility model is related to field of cable technology, are specially a kind of extraordinary spiral wires of the anti-hydrolysis of high fire-retardance.

Background technology

Spiral cable is typically the electric wire for the similar rope being twisted by one or several groups of insulated conductors, and cable By winding hot-working, spiral status are finally cooled into, it is scalable.So we term it spiral cables for cable.

Spiral cable be widely used in charging equipment, communication apparatus, indoor and outdoor electric tool in, he play the role of be Extend the distance of connecting line, while in the case of, spiral retraction plays the role of good storage.With these industries Development, have more equipment for some special environment, therefore also mating spiral cable proposed low temperature resistant, water-fast Solution, high temperature resistant, fire-retardant etc. are put forward higher requirements, existing electrical equipment, and particularly outdoor equipment is all much in height Warm moist, more some are the long-time services under cold environment, and existing spiral cable product there is no in anti-hydrolysis and The aspect of cold resistant accounts for, so being badly in need of a kind of extraordinary spiral wires of the anti-hydrolysis of high fire-retardance.

Utility model content

The purpose of this utility model is to provide a kind of extraordinary spiral wires of the anti-hydrolysis of high fire-retardance, to solve in background technology The deficiency of proposition.

To achieve the above object, the utility model provides following technical solution：A kind of extraordinary spiral electricity of the anti-hydrolysis of high fire-retardance Line, including sheath, the sheath is internally provided with two insulation sleeves, and two insulation sleeves are using the central axes of sheath as reference Symmetrically, the inside of the sheath is also set up there are two liner item, and two liner items are connected with the center of circle in two insulation sleeve sections Line is with reference to symmetrical, and the inside of two insulation sleeves is socketed with conductor, two insulation sleeves and two liner items it is outer Portion is surrounded with isolation strip, and the outer surface of the isolation strip is contacted with the inner surface of sheath.

Preferably, the conductor is copper wire, and the sheath is modified polyether-type TPU sheaths.

Preferably, the liner item is polyester-type TPU liner items, and the isolation strip is thermal shrinkage type mica isolation strip.

Compared with prior art, the beneficial effects of the utility model are as follows：

The utility model, by the sheath material of electric wire with modified polyether-type TPU come normal instead of sheath in existing electric wire Polyester-type TPU, it is poly- plus two in the inside of cable to provide the performance of hydrolysis under long term high temperature bad border for the electric wire Ester type TPU items do liner to increase the elasticity and physical property of whole cable, by being surrounded with outside liner item with insulation sleeve Isolation strip, mica sheet can improve the flame retardant property of cable as non-combustible materials, and because liner item and housing are all elasticity Body, the stress of generation is bigger, and isolation strip plays the role of buffering stress, the injury that cored wire is subject to when reducing electric wire processing, solution The problem of being proposed in background technology of having determined.

Description of the drawings

Fig. 1 is the utility model structural section figure.

In figure：1 conductor, 2 insulation sleeves, 3 isolation strip, 4 sheaths, 5 liner items.

Specific embodiment

The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out It clearly and completely describes, 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 embodiment in the utility model, those of ordinary skill in the art are without making creative work All other embodiments obtained shall fall within the protection scope of the present invention.

Referring to Fig. 1, a kind of extraordinary spiral wires of anti-hydrolysis of high fire-retardance, including sheath 4, sheath 4 is internally provided with two A insulation sleeve 2, for two insulation sleeves 2 using the central axes of sheath 4 as with reference to symmetrical, the inside of sheath 4 also sets up that there are two liner items 5, using the circle center line connecting in two 2 sections of insulation sleeve as with reference to symmetrically, the inside of two insulation sleeves 2 is socketed with two liner items 5 The outside of conductor 1, two insulation sleeves 2 and two liner items 5 is surrounded with isolation strip 3, and the outer surface of isolation strip 3 is interior with sheath 4 Surface contacts, and conductor 1 is copper wire, and sheath 4 is modified polyether-type TPU sheaths, and EBA works are included in the preparation of polyester-type TPU For modifying agent, the elastic and flexible of polyester-type TPU can be effectively improved, liner item 5 is polyester-type TPU liner items, can Increase the elasticity and physical property of whole cable, isolation strip 3 is thermal shrinkage type mica isolation strip, and biotite industrially mainly utilizes it Insulating properties and heat resistance and antiacid, alkali resistance, resistance to compression and dividing property of stripping, the insulation material as electrical equipment and electrotechnical apparatus Material, for mica sheet as non-combustible materials, mica sheet can improve the flame retardant property of cable as non-combustible materials, and because interior It is all elastomer to serve as a contrast item 5 and housing 4, and the stress of generation is bigger, and isolation strip 3 plays the role of buffering stress, reduces electric wire and adds The injury that man-hour cored wire is subject to.

In summary：The extraordinary spiral wires of the anti-hydrolysis of the high fire-retardance, pass through the polyether-type of the sheath 4 material modification of electric wire TPU replaces 4 common polyester-type TPU of sheath in existing electric wire, to provide hydrolysis under long term high temperature bad border for the electric wire Performance plus two polyester-type TPU items is done liner to increase the elasticity and physical property of whole cable in the inside of cable, is passed through It is surrounded with isolation strip 3 outside liner item 5 and insulation sleeve 2, mica sheet can improve the anti-flammability of cable as non-combustible materials Can, and because liner item 5 and housing 4 are all elastomers, the stress of generation is bigger, and isolation strip 3 plays the role of buffering stress, The injury that cored wire is subject to when reducing electric wire processing, solves the problems, such as to propose in background technology.

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

Claims

1. a kind of extraordinary spiral wires of anti-hydrolysis of high fire-retardance, including sheath (4), it is characterised in that：The inside of the sheath (4) is set It puts there are two insulation sleeve (2), two insulation sleeves (2) are symmetrical by reference of the central axes of sheath (4), the sheath (4) Inside is also set up there are two liner item (5), and two liner items (5) are using the circle center line connecting in two insulation sleeve (2) sections as ginseng According to symmetrical, the inside of two insulation sleeves (2) is socketed with conductor (1), two insulation sleeves (2) and two liner items (5) outside is surrounded with isolation strip (3), and the outer surface of the isolation strip (3) is contacted with the inner surface of sheath (4).

2. a kind of extraordinary spiral wires of the anti-hydrolysis of high fire-retardance according to claim 1, it is characterised in that：The conductor (1) For copper wire, the sheath (4) is modified polyether-type TPU sheaths.

3. a kind of extraordinary spiral wires of the anti-hydrolysis of high fire-retardance according to claim 1, it is characterised in that：The liner item (5) it is polyester-type TPU liner items, the isolation strip (3) is thermal shrinkage type mica isolation strip.