CN207489524U - A kind of high flexibility multi-channel audio cable - Google Patents

Abstract

The utility model discloses a kind of high flexibility multi-channel audio cables; including sheath; the sheath lumen is equipped with filled layer; middle part core is equipped in the middle part of the filled layer inner cavity; external core is equipped on the outside of the middle part core; the middle part core and external core include outer protective shell and interior protective shell; the outer protective shell is socketed in interior protective shell lateral wall; the interior protective shell inner cavity is equipped with conductor; the conductor lateral wall is enclosed with insulating layer; the interior protective shell inner cavity is equipped with cotton yarn, and being equipped with PP between the middle part core and external core restricts.The utility model has achieved the effect that low capacitance low noise by setting sheath, middle part core, external core, outer protective shell and interior protective shell；By the way that cotton yarn and PP is set to restrict, the flexibility, flexibility and tolerance degree of cable are substantially increased, achievees the effect that increase the service life of cable.

Description

A kind of high flexibility multi-channel audio cable

Technical field

The utility model is related to technical field of cables, specially a kind of high flexibility multi-channel audio cable.

Background technology

Audio connecting cord, abbreviation tone frequency channel wire；For transmitting the line of electroacoustic signal or data.Have for broad sense electric signal with Two major class of optical signal.Audio electrical signal cable is in the great majority, and optical signal cable gradually occupied share at nearly 20 years.Audio electrical signal cable master Transmitting pattern has two style of balance and non-balance, and signal has the signal strength respectively of simulation and number but also has front stage not only Respectively.Since stereo set can be formed by multiple one-piece units, cable should be by voice-frequency cable and connector two parts group Into (except speaker line).Audio optical signal cable is divided into civilian and professional two major class.Civilian optical signal cable uses plastic light mostly Fibre manufacture, wherein the flexibility of cable and pliability are poor, and most cable capacitance hands over height, noise larger.For this purpose, it is proposed that one Kind high flexibility multi-channel audio cable.

Utility model content

The purpose of this utility model is to provide a kind of high flexibility multi-channel audio cable, to solve above-mentioned background technology The problem of middle proposition.

To achieve the above object, the utility model provides following technical solution：A kind of high flexibility multi-channel audio cable, Including sheath, the sheath lumen is equipped with filled layer, is equipped with middle part core in the middle part of the filled layer inner cavity, outside the middle part core Side is equipped with external core, and the middle part core and external core include outer protective shell and interior protective shell, the outer protection valve jacket Interior protective shell lateral wall is connected on, the interior protective shell inner cavity is equipped with conductor, and the conductor lateral wall is enclosed with insulating layer, described interior Protective shell inner cavity is equipped with cotton yarn, and being equipped with PP between the middle part core and external core restricts.

Preferably, the sheath is flexible polyvinyl chloride sheath.

Preferably, the outer protective shell is the shield shell of tinned copper wire winding, and the interior protective shell is flexible polychlorostyrene second Alkene sheath.

Preferably, the shape size all same of middle part core and external core, the conveying of the external core are no less than three A, circular array is arranged in middle part core outer end, and external core and middle part core outer end are tangent.

Preferably, the conductor is copper wire stranded conductor, and the quantity of conductor is no less than two, the cotton yarn and conductor Equidistant cross arrangement is in interior protective shell inner cavity.

Preferably, the insulating layer is polyethylene layer.

Preferably, the PP ropes are polypropylene PP plastic ties, and the quantity of PP ropes is no less than three, circular array arrangement On the outside of the core of middle part.

Compared with prior art, the beneficial effects of the utility model are：This kind of high flexibility multi-channel audio cable, passes through Sheath, middle part core, external core, outer protective shell and interior protective shell are set, achieved the effect that low capacitance low noise；By setting Cotton yarn and PP ropes are put, the flexibility, flexibility and tolerance degree of cable is substantially increased, reaches the service life for increasing cable Effect.

Description of the drawings

Fig. 1 is the sectional view of the utility model.

In figure：1 sheath, 2 filled layers, 3 outside cores, 31 outer protective shells, protective shell, 4 middle part cores, 5 conductors, 51 in 32 Insulating layer, 6 cotton yarns, 7PP ropes.

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, the utility model provides a kind of technical solution：A kind of high flexibility multi-channel audio cable, including Sheath 1, the sheath 1 are flexible polyvinyl chloride sheath, and flexible polyvinyl chloride sheath resilient flexible is good.1 inner cavity of sheath is set There is filled layer 2, middle part core 4 is equipped in the middle part of 2 inner cavity of filled layer, 4 outside of middle part core is equipped with external core 3, in The shape size all same of portion's core 4 and external core 3, the conveying of the external core 3 are no less than three, circular array row Middle part 4 outer end of core is listed in, and external core 3 and 4 outer end of middle part core are tangent, external core 3 is mutually squeezed with middle part core 4 Make its stress balance, one of them can be shared by impact force gives remaining core, improves the service life of cable.It is described Middle part core 4 and external core 3 include outer protective shell 31 and interior protective shell 32, and the outer protective shell 31 is wound for tinned copper wire Shield shell, for shielded signal and radiation use.The interior protective shell 32 is flexible polyvinyl chloride sheath.The outer protection Shell 31 is socketed in interior 32 lateral wall of protective shell, and interior 32 inner cavity of protective shell is equipped with conductor 5, and 5 lateral wall of conductor is enclosed with Insulating layer 51, the insulating layer 51 are polyethylene layer, ensure that the exterior insulation of conductor 5, from built-in electrical insulation, improve core The safety used.32 inner cavity of interior protective shell is equipped with cotton yarn 6, and the conductor 5 is copper wire stranded conductor, and conductor 5 Quantity is no less than two, and for the cotton yarn 6 with 5 equidistant cross arrangement of conductor in interior 32 inner cavity of protective shell, cotton yarn 6 increases line The flexibility of core inner, meanwhile, cotton yarn 6 improves the impact resistant capability of cable, greatly improves the tolerance degree of cable.Institute It states and PP ropes 7 is equipped between middle part core 4 and external core 3, the PP ropes 7 are polypropylene PP plastic ties, and the quantity of PP ropes 7 is not Less than three, circular array is arranged in 4 outside of middle part core, substantially increases the flexibility, flexibility and tolerance journey of cable Degree achievees the effect that increase the service life of cable.

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 can these embodiments be carried out with a variety of variations in the case of the principle and spirit for not departing from the utility model, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims (7)

1. a kind of high flexibility multi-channel audio cable, including sheath (1), it is characterised in that：Sheath (1) inner cavity is equipped with and fills out Layer (2) is filled, middle part core (4) is equipped in the middle part of filled layer (2) inner cavity, external core is equipped on the outside of the middle part core (4) (3), the middle part core (4) and external core (3) include outer protective shell (31) and interior protective shell (32), the outer protective shell (31) interior protective shell (32) lateral wall is socketed in, interior protective shell (32) inner cavity is equipped with conductor (5), conductor (5) outside Wall is enclosed with insulating layer (51), and interior protective shell (32) inner cavity is equipped with cotton yarn (6), the middle part core (4) and outer lines PP is equipped between core (3) and restricts (7).

2. a kind of high flexibility multi-channel audio cable according to claim 1, it is characterised in that：The sheath (1) is Flexible polyvinyl chloride sheath.

3. a kind of high flexibility multi-channel audio cable according to claim 1, it is characterised in that：The outer protective shell (31) shield shell for tinned copper wire winding, the interior protective shell (32) are flexible polyvinyl chloride sheath.

4. a kind of high flexibility multi-channel audio cable according to claim 1, it is characterised in that：Middle part core (4) and The shape size all same of external core (3), the conveying of the external core (3) are no less than three, and circular array is arranged in Middle part core (4) outer end, and external core (3) and middle part core (4) outer end are tangent.

5. a kind of high flexibility multi-channel audio cable according to claim 1, it is characterised in that：The conductor (5) is Copper wire stranded conductor, and the quantity of conductor (5) is no less than two, the cotton yarn (6) with including the equidistant cross arrangement of conductor (5) Protective shell (32) inner cavity.

6. a kind of high flexibility multi-channel audio cable according to claim 1, it is characterised in that：The insulating layer (51) For polyethylene layer.

7. a kind of high flexibility multi-channel audio cable according to claim 1, it is characterised in that：PP rope (7) is Polypropylene PP plastic ties, and the quantity of PP ropes (7) is no less than three, circular array is arranged on the outside of middle part core (4).