CN209045193U - A kind of flexibility stretch-proof type Plastic-sheathed Cable - Google Patents

Abstract

The utility model relates to technical field of cable production, in particular a kind of flexible stretch-proof type Plastic-sheathed Cable, including sheath, rule is equipped with several cores and several signal wires in sheath, core is successively arranged conductor, semiconductive conductor shield, insulating layer, semi-conductive insulation shield layer and sheath from the inside to the outside, it is equipped with two single-signal-lines in signal wire, is additionally provided with flexible flame retardant filler in sheath.The utility model in sheath by being arranged several cores and signal wire for twisting into stock, and flexible flame retardant filler is additionally provided in sheath, the conductor of core twists into stock using more thin seal wire, setting two twists into the single-signal-line of stock in signal wire, then the wire rod entire length inside cable is greater than its external length, make the flexible stretch-proof of cable, it is not easy to break.

Description

A kind of flexibility stretch-proof type Plastic-sheathed Cable

Technical field

The utility model relates to technical field of cable production, specially a kind of flexible stretch-proof type Plastic-sheathed Cable.

Background technique

Plastic-sheathed Cable be conductor by the thin copper wire of multiply, outpacking rubber insulation and rubber sheath it is a kind of soft removable Cable kind.In general, including general soft rubber cable, welding machine cable, diving generator cable, radio device are electric The kinds such as cable and photography cable.Plastic-sheathed Cable is widely used in various electrical equipments, such as daily-use electrical appliance, motor machine, The movable power wire of electrical device and utensil.It can be used indoors or under outdoor environmental conditions simultaneously.According to suffered by cable Mechanical external force is divided into light-duty, medium-sized and heavy three classes on product structure.General light type cab-tyre cable be used in daily-use electrical appliance, Small-sized electric equipment, it is desirable that soft, light and handy, good bending property.Cable in the prior art have coaxial cable, twisted-pair cable with And bunch wire cable, but existing cable general structure is harder, and when bending is easily broken off, and not stretch-proof, in consideration of it, we It is proposed a kind of flexible stretch-proof type Plastic-sheathed Cable.

Utility model content

The purpose of this utility model is to provide a kind of flexible stretch-proof type Plastic-sheathed Cables, to solve in above-mentioned background technique The problem of harder not bend resistance of the existing cable of proposition and stretching.

To achieve the above object, the utility model provides the following technical solutions:

A kind of flexibility stretch-proof type Plastic-sheathed Cable, including sheath, rule is equipped with several cores and several letters in the sheath Number line, the core be successively arranged from the inside to the outside conductor, semiconductive conductor shield, insulating layer, semi-conductive insulation shield layer with And sheath, the conductor are made of several thin seal wires, and two single-signal-lines are equipped in the signal wire, the single-signal-line includes Signal conductor, the signal conductor are arranged with insulating sheath outside, and outer jacket, single letter are arranged with outside two single-signal-lines It is equipped with linear filler number between line and the outer jacket, is additionally provided with flexible flame retardant filler in the sheath.

Preferably, several thin seal wires uniformly twist into stock.

Preferably, the semiconductive conductor shield fixation is set on the lateral wall of the conductor, and the insulating layer is solid Surely it is set on the lateral wall of the semiconductive conductor shield, the semi-conductive insulation shield layer fixation is set in the insulation On the lateral wall of layer, the sheath fixation is set on the lateral wall of the semi-conductive insulation shield layer.

Preferably, the insulating sheath fixation is set on the lateral wall of the signal conductor.

Preferably, two single-signal-lines and the linear filler uniformly twist into stock, and the outer jacket fixation is arranged On the outside.

Preferably, the quantity of the core is at least one, and several signal wires are regularly distributed on several cores Outside.

Preferably, several cores, several signal wires and the flexible flame retardant uniform filling twist into stock, institute It states sheath fixation and is set in its outside.

Compared with prior art, the utility model has the beneficial effects that the utility model is several by being arranged in sheath The core and signal wire of stock are twisted into, and is additionally provided with flexible flame retardant filler in sheath, the conductor of core is turned round using more thin seal wire It is twisted into stock, setting two twists into the single-signal-line of stock in signal wire, then the wire rod entire length inside cable is greater than outside it Length, make the flexible stretch-proof of cable, it is not easy to break.

Detailed description of the invention

Fig. 1 is the half-sectional structure left view schematic diagram in part of the utility model flexibility stretch-proof type Plastic-sheathed Cable；

Fig. 2 is the half-sectional structure right side view in part of the utility model；

Fig. 3 is the enlarged structure schematic diagram in Fig. 2 of the utility model at A；

Fig. 4 is the overlooking structure diagram of the utility model；

Fig. 5 is the overlooking structure diagram of the core of the utility model；

Fig. 6 is the overlooking structure diagram of the signal wire of the utility model.

In figure: 1, sheath；2, core；21, conductor；211, thin seal wire；22, semiconductive conductor shield；23, insulating layer； 24, semi-conductive insulation shield layer；25, sheath；3, signal wire；31, single-signal-line；311, signal conductor；312, insulating sheath； 32, outer jacket；33, linear filler；4, flexible flame retardant filler.

Specific embodiment

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 Every other embodiment obtained, fall within the protection scope of the utility model.

In the description of the present invention, it should be understood that the orientation or positional relationship of the instructions such as term "inner", "outside" To be based on the orientation or positional relationship shown in the drawings, it is merely for convenience of describing the present invention and simplifying the description, without referring to Show or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot manage Solution is limitations of the present invention.

In addition, " several " are meant that at least one in the description of the present invention, such as one, two etc., unless Separately there is clearly specific restriction.

Fig. 1-6 is please referred to, the utility model provides a kind of technical solution:

A kind of flexibility stretch-proof type Plastic-sheathed Cable, including sheath 1, rule is equipped with several cores 2 and several signals in sheath 1 Line 3, core 2 are successively arranged conductor 21, semiconductive conductor shield 22, insulating layer 23, semi-conductive insulation shield layer from the inside to the outside 24 and sheath 25, conductor 21 be made of several thin seal wires 211, two single-signal-lines 31, single-signal-line 31 are equipped in signal wire 3 Including signal conductor 311, it is arranged with insulating sheath 312 outside signal conductor 311, outer jacket is arranged with outside two single-signal-lines 31 32, it is equipped with linear filler 33 between single-signal-line 31 and outer jacket 32, is additionally provided with flexible flame retardant filler 4 in sheath 1.

In the present embodiment, several thin seal wires 211 uniformly twist into stock.

Further, thin seal wire 211 uses diameter to be made of the copper free wire of 0.5mm, twisted together by thin copper wire Conductor 21 is more soft, and toughness is stronger, convenient for bending, and is not easily broken, breaks.

In the present embodiment, the fixation of semiconductive conductor shield 22 is set on the lateral wall of conductor 21, and insulating layer 23 is fixed It is set on the lateral wall of semiconductive conductor shield 22, the fixed outside for being set in insulating layer 23 of semi-conductive insulation shield layer 24 On wall, the fixation of sheath 25 is set on the lateral wall of semi-conductive insulation shield layer 24.

Specifically, semiconductive conductor shielding 22 is made of peroxide crosslinking semiconductive shieldin material (PYJD), material Thermal deformation, wearability, chemical resistance, the performance of stress crack resistant it is higher；Further, insulating layer 23 is using insulation Crosslinked polyethylene (XLPE) is made, and material high temperature resistant, anti-deformation are stronger；Further, semi-conductive insulation shield layer 24 It is made of ethylene-vinyl acetate copolymer (EVA), toughness, impact resistance, filler intermiscibility and the heat sealability of material It can be relatively strong；Further, sheath 25 is made of thermoplastic polyester elastomer (TPEE), and elasticity is good for material, intensity is high, dynamic State mechanical property is stronger.

In the present embodiment, the fixation of insulating sheath 312 is set on the lateral wall of signal conductor 311.

Further, signal conductor 311 is made of the copper free wire of 1mm, and material electric conductivity is good.

Further, two single-signal-lines 31 and linear filler 33 uniformly twist into stock, and the fixation of outer jacket 32 is set in it Outside keeps signal wire 3 independent, flexible, wear-resisting durable.

Specifically, oversheath 32 is made of thermoplastic polyester elastomer (TPEE), and elasticity is good for material, intensity is high.

Specifically, linear filler 33 is made of glass cord, and material does not absorb water, is corrosion-resistant, resistance to mildew is damaged by worms, no It is easily scattered, has certain tensile strength.

Further, the quantity of core 2 is at least one, in the present embodiment, core 2, signal wire 3 quantity be both preferably Three.

Further, three signal wires 3 are regularly distributed on the outside of three cores 2.

In the present embodiment, three cores, 2, three signal wires 3 and flexible flame retardant filler 4 uniformly twist into stock, and sheath 1 is solid Surely it is arranged on the outside.

Further, flexible flame retardant filler 4 is made of alumina silicate fibre rope, material have high temperature resistant, fire protection flame retarding, The excellent performances such as wear resistant corrosion resistant, insulation.

Specifically, sheath 1 is made of neoprene, and material has heat-resisting, oil resistant and low flammability energy, and material is soft Good toughness, resistant to bending, stretch-proof.

Various raw material when in use, are successively passed through twisted wire-first by the flexible stretch-proof type Plastic-sheathed Cable of the present embodiment Insulation-crosslinking-shielding-stranding-barrier covers-, which fills eight programs of armour-oversheath and is successively nested, is made Plastic-sheathed Cable, then intercept it is suitable The cable of length, electrically installing the cable special joint that size matches respectively at the both ends of cable can normal use.

Basic principles, main features, and advantages of the present invention has been shown and described above.Current row The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments Be only the utility model preference, be not intended to limit the utility model, do not departing from the spirit and scope of the utility model Under the premise of, the utility model also has various changes and improvements, these changes and improvements both fall within claimed it is practical In novel range.The protection scope of the present invention is defined by the appended claims and their equivalents.

Claims (7)

1. a kind of flexibility stretch-proof type Plastic-sheathed Cable, including sheath (1), it is characterised in that: the sheath (1) if in rule be equipped with Main line core (2) and several signal wires (3), the core (2) are successively arranged conductor (21), semiconductive conductor shield from the inside to the outside (22), insulating layer (23), semi-conductive insulation shield layer (24) and sheath (25), the conductor (21) is by several thin seal wires (211) it forms, two single-signal-lines (31) is equipped in the signal wire (3), the single-signal-line (31) includes signal conductor (311), it is arranged with insulating sheath (312) outside the signal conductor (311), outer shield is arranged with outside two single-signal-lines (31) Layer (32) is equipped with linear filler (33) between the single-signal-line (31) and the outer jacket (32), also sets in the sheath (1) Flexible fire-retardant filler (4).

2. flexibility stretch-proof type Plastic-sheathed Cable according to claim 1, it is characterised in that: several thin seal wires (211) Uniformly twist into stock.

3. flexibility stretch-proof type Plastic-sheathed Cable according to claim 1, it is characterised in that: the semiconductive conductor shield (22) fixation is set on the lateral wall of the conductor (21), and insulating layer (23) fixation is set in the semiconductive conductor screen On the lateral wall for covering layer (22), the fixed lateral wall for being set in the insulating layer (23) of the semi-conductive insulation shield layer (24) On, sheath (25) fixation is set on the lateral wall of the semi-conductive insulation shield layer (24).

4. flexibility stretch-proof type Plastic-sheathed Cable according to claim 1, it is characterised in that: the insulating sheath (312) is solid Surely it is set on the lateral wall of the signal conductor (311).

5. flexibility stretch-proof type Plastic-sheathed Cable according to claim 1, it is characterised in that: two single-signal-lines (31) Stock is uniformly twisted into the linear filler (33), the outer jacket (32) is fixed to be set in its outside.

6. flexibility stretch-proof type Plastic-sheathed Cable according to claim 1, it is characterised in that: the quantity of the core (2) is extremely It is less one, several signal wires (3) are regularly distributed on the outside of several cores (2).

7. flexibility stretch-proof type Plastic-sheathed Cable according to claim 1, it is characterised in that: several cores (2), several The signal wire (3) and the flexible flame retardant filler (4) uniformly twist into stock, and the sheath (1) is fixed to be set in its outside.