CN208400573U - A kind of speaker cables for stage performance - Google Patents

Abstract

The utility model discloses a kind of speaker cables, including cable core, be successively arranged on cable core cotton paper layer, shielded layer, PVC material insulating layer, between cable core and cotton paper layer be filled with cotton yarn；Cable core is made of the support core of conducting wire and soft silica gel material, and support core is cylinder, and the support bar along itself axially extending plastic material is equipped with inside supporting-core body, and support bar is overlapped with the axis of support core；Support core circumference face has the wire casing for the formation that is recessed inside, and wire casing extends around the circumferential side wall for supporting core and along the axial screw of support core, and the inner sidewall of wire casing is equipped with recess, and the side wall of conducting wire is equipped with convex block, and conducting wire is embedded in wire casing；Convex block and mating recesses.Compared with prior art, the utility model has preferable resistance to damage.

Description

A kind of speaker cables for stage performance

Technical field

The utility model relates to field of cables more particularly to a kind of speaker cables for stage performance.

Background technique

Cable generally comprises following part: first, conductor wire core is made of high electrical conductivity materials (copper or aluminium).According to deposited If requirement of the use condition to cable softness, the every line heart may be twisted by solid conductor or multiple conducting wires；Second, Insulating layer, the insulating materials as cable should have a high insulation resistance, high breakdown field strength, low dielectric loss and Low dielectric constant.Cable will receive in installation or use process and pull or squeeze, and be easy impaired, especially some cores More, to be used for transmission audio data signal cable, damage-retardation ability is more weak, and some tiny damages can all influence The quality that voice signal is propagated.

Utility model content

The utility model is to solve existing technological deficiency, a kind of speaker cables is provided, with preferable damage-retardation Bad ability.Its specific technical solution is as follows:

The utility model discloses a kind of speaker cables, including cable core, be successively arranged on cable core cotton paper layer, The insulating layer of shielded layer, PVC material is filled with cotton yarn between cable core and cotton paper layer；Cable core is by conducting wire and soft silicon The support core of glue material matter forms, and support core is cylinder, is equipped with inside supporting-core body along itself axially extending plastics The support bar of material, support bar are overlapped with the axis of support core；Support core circumference face has the line for the formation that is recessed inside Slot, circumferential side wall of the wire casing around support core and the axial screw extension along support core, the inner sidewall of wire casing are equipped with The side wall of recess, conducting wire is equipped with convex block, and conducting wire is embedded in wire casing；Convex block and mating recesses.

Further, cable core configuration quantity is eight, and it is total that eight cable cores by cotton paper layer are rolled into a core At filled with cotton yarn in the gap between adjacent cable core, shielded layer and layer of PVC are sheathed on core assembly；Each electricity The configuration quantity of wire casing on cable core body is two, is in mutually twisted between the two lines slot on same cable core State；Two conducting wires are each equipped on each cable core.

Further, the inner sidewall of wire casing is arc-shaped.

Further, pass through adhesive bonding between conducting wire and wire casing.

Further, shielded layer includes aluminium foil layer and the copper wire layer that is woven by tin plating copper free wire, aluminium foil layer position The side of cable core is closed in copper wire layer.

Further, support bar is made of polyether-ether-ketone resin material.

The utility model has the beneficial effects that the conducting wire of the utility model is spirally wound on soft supporting core, supporting-core The tensile capacity of conducting wire can be improved in body；Soft support core can also buffer extruding force that cable is subject to (such as due to people For trample or article pound pressure and generate extruding force), play the role of protect conducting wire；Support bar is worn in supporting-core body, is supported Item is overlapped with the axis of support core, and the bending resistance of soft support core can be improved in this, and then improves the bending resistance of cable Ability；Recess and convex block cooperate, and then make to cooperate between conducting wire and wire casing more stable, avoid that phase occurs between conducting wire and wire casing To sliding, the probability of harness damage is reduced.

Detailed description of the invention

Fig. 1 is the overall structure diagram of the utility model embodiment；

Fig. 2 is the support core structural schematic diagram of the utility model embodiment.

It is marked in figure: support core 100, wire casing 101, conducting wire 200, cotton paper layer 300, shielded layer 400, insulating layer 500.

Specific embodiment

The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model Limitation.

The utility model is described in further detail below by specific embodiment combination attached drawing.Please refer to attached drawing.

The utility model discloses a kind of speaker cables, including cable core, is successively arranged with cotton paper layer on cable core 300, shielded layer 400, PVC material insulating layer 500, between cable core and cotton paper layer 300 be filled with cotton yarn, the length of cotton yarn Direction is identical as the length direction of cable core, and specifically, cotton paper layer 300 is made of the cotton paper of strip, cotton paper spiral winding Cotton paper layer 300 is formed on cable core；Cotton paper layer 300 can be improved the tensile property of cable entirety and make cable entirety shape Shape is more mellow and fuller.Cable core is made of conducting wire 200 and support core 100, supports core 100 by being made of soft material, Such as PVC (polyvinyl chloride) material or silica gel material or other soft materials, preferably silica gel material, silica gel have good resistance Performance and corrosion resistance are fired, also there is preferable flexibility, the fire resistance and corrosion resistance of cable can be improved, moreover it is possible to right Stress plays preferable buffer function.Supporting core 100 is cylinder, supports to be equipped with inside core 100 and axially prolong along itself The support bar (not shown) stretched, the material of support bar require certain rigidity and elasticity, and support bar can be improved The bending resistance for supporting core 100, can use rubber material or plastic material.The axis weight of support bar and support core 100 It closes；Support 100 circumference face of core has the wire casing 101 for the formation that is recessed inside, circle of the wire casing 101 around support core 100 All side walls simultaneously extend along the axial screw of support core 100, specifically, axis spiral of the wire casing 101 around support core 100 Around extending, conducting wire 200 is embedded in wire casing 101, and specifically, conducting wire 200 includes copper wire bundle and is wrapped in outside copper wire bundle The pvc insulating jacket in face.The inner sidewall of wire casing 101 is equipped with recess (not shown), and the side wall of conducting wire 200 is equipped with multiple convex blocks (not shown), conducting wire 200 are embedded in wire casing 101；Convex block is adapted with recess；Specifically, the side wall of conducting wire 200 can be with It is arranged and salient point is set at equal intervals, the insulator side wall of salient point and guiding is integrally formed, and the side wall spaced set of wire casing 101 is recessed Mouthful, salient point cooperates at random with recess；The side wall of conducting wire 200 can also be the rough surface for being covered with tiny salient point, the side wall of wire casing 101 For the rough surface for being covered with tiny recess.The conducting wire 200 of the utility model is spirally wound on soft supporting core 100, supporting-core The tensile capacity of conducting wire 200 can be improved in body 100；Soft support core 100 can also buffer the extruding force (example that cable is subject to Such as due to artificially trample or article pound pressure and generate extruding force), play the role of protect conducting wire 200；It is worn in support core 100 If support bar, support bar is overlapped with the axis of support core 100, and the bending resistance of soft support core 100 can be improved in this, And then improve the bending resistance of cable；Recess and convex block cooperate, so make to cooperate between conducting wire 200 and wire casing 101 it is more stable, It avoids that opposite sliding occurs between conducting wire 200 and wire casing 101, reduces the probability that conducting wire 200 damages.

Further, cable core configuration quantity is eight, and eight cable cores are rolled into a core by cotton paper layer 300 Assembly is filled with cotton yarn in the gap between adjacent cable core, the appearance of core assembly can be made more mellow and fuller in this way, shielded layer 400 and layer of PVC be sheathed on core assembly；The configuration quantity of wire casing 101 on each cable core is two, is located at same In mutually twisted state between two lines slot 101 on cable core；Two conducting wires are each equipped on each cable core 200, when conducting wire 200 is embedded in wire casing 101, also tensile capacity is improved, is mentioned in mutually twisted state between two conducting wires 200 High anti-jamming capacity.

Further, the inner sidewall of wire casing 101 is arc-shaped, this can make the circumference side of conducting wire 200 and wire casing 101 Side wall cooperates even closer.

Further, pass through adhesive bonding, the preferred polyvinyl alcohol of the material of adhesive between conducting wire 200 and wire casing 101 Formal, adhesive is fixed on conducting wire 200 on wire casing 101, simple and fast, moreover it is possible to improve conducting wire 200 and support core 100 it Between connective stability, and then improve cable whole tensile property.

Further, shielded layer 400 includes aluminium foil layer and the copper wire layer that is woven by tin plating copper free wire, aluminium foil layer The side of cable core is closed on positioned at copper wire layer, aluminium foil layer and copper wire layer can play the role of double layer screen, improve anti-interference energy Power, and aluminium foil layer and copper wire layer can also improve the tensile property of cable.

Further, support bar is made of flexible plastic material, for example, PVC material or polyether-ether-ketone resin material or The composite material of person's polyether-ether-ketone resin is made, it is preferred to use polyether-ether-ketone resin, polyether-ether-ketone resin have good fire-retardant Performance is provided simultaneously with lower dielectric coefficient, can be improved the flame retardant property of cable entirety, improves the matter of data signal transmission Amount.

The above content is combine specific embodiment further detailed description of the utility model, and it cannot be said that The specific implementation of the utility model is only limited to these instructions.For the utility model person of an ordinary skill in the technical field For, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made.

Claims (6)

1. a kind of speaker cables for stage performance, including cable core, cotton is successively arranged on the cable core Paper layer (300), shielded layer (400), PVC material insulating layer (500), between the cable core and the cotton paper layer (300) Filled with cotton yarn；The cable core is made of the support core (100) of conducting wire (200) and soft silica gel material, the support Core (100) is cylinder, and the support along itself axially extending plastic material is equipped with inside support core (100) Item, the support bar are overlapped with the axis of support core (100)；Support core (100) the circumference face has inside Be recessed the wire casing (101) formed, and the wire casing (101) is around the circumferential side wall for supporting core (100) and along described The axial screw of core (100) is supported to extend, the inner sidewall of the wire casing (101) is equipped with recess, the side wall of the conducting wire (200) Equipped with convex block, the conducting wire (200) is embedded in the wire casing (101)；The convex block and the mating recesses.

2. speaker cables as described in claim 1, which is characterized in that the cable core configuration quantity is eight, eight The cable core is rolled into a core assembly by the cotton paper layer (300), in the gap between the adjacent cable core Filled with cotton yarn, the shielded layer (400) and the layer of PVC are sheathed on the core assembly；Each cable core On the configuration quantity of wire casing (101) be two, between two wire casings (101) on cable core described in same In mutually twisted state；Two conducting wires (200) are each equipped on each cable core.

3. speaker cables as described in claim 1, which is characterized in that the inner sidewall of the wire casing (101) is arc-shaped.

4. speaker cables as claimed in claim 3, which is characterized in that between the conducting wire (200) and the wire casing (101) Pass through adhesive bonding.

5. speaker cables as described in claim 1, which is characterized in that the shielded layer (400) include aluminium foil layer and The copper wire layer being woven by tin plating copper free wire, the aluminium foil layer are located at the side that the copper wire layer closes on the cable core.

6. speaker cables as described in claim 1, which is characterized in that the support bar is by polyether-ether-ketone resin material system At.