CN205984355U

CN205984355U - Resistance to compression type cable

Info

Publication number: CN205984355U
Application number: CN201620756134.0U
Authority: CN
Inventors: 白永旺
Original assignee: Tianjin Yuanjiu Technology Co Ltd
Current assignee: Jiangsu Zhongsheng Cable Co., Ltd.
Priority date: 2016-07-15
Filing date: 2016-07-15
Publication date: 2017-02-22
Anticipated expiration: 2026-07-15

Abstract

Resistance to compression type cable, the rubber layer includes that inlayer and collar are fixed in the skin outside the inlayer, follows cable length direction in the cavity between inlayer and the skin and is provided with a plurality of brace rods, the brace rod will the cavity is separated for the hollow cushion chamber of a plurality of. Rubber layer utilization among this resistance to compression type cable is crowded the package operation rather than the mould of shape looks adaptation and is formed, apply the last time in this resistance to compression type cable when external force, the skin on rubber layer warp towards the inlayer, hollow cushion chamber provides sufficient deformation extension space for the skin, deformation process can lay down external force partlyly promptly, after the skin deformation extremely offsets with the inlayer, the external force conduction of not laid down is applyed on the wire, power that the conductor bore is less than the external force of applying to the cable on, thereby it takes place loosely because of external force to have reduced the wire, the fracture, the probability of various situations such as deformation, reach the anti extrusion performance's of effective reinforcing cable mesh.

Description

Anti-pressure cable

Technical field

The utility model is related to field of cable technology, particularly to a kind of Anti-pressure cable.

Background technology

Cable is widely used in all trades and professions, and it has multiple species and model, to meet the use requirement of different occasions. No matter what kind of cable, be required to that there is good anti-extrusion performance, when external force puts on cable, in order to offsetting and Weaken the extruding force to sheath inside conductor, loose, the various situations such as rupture, deform to prevent wire from occurring, and cable performance is caused Harmful effect.Existing cable typically passes through to thicken sheath, improves sheath material, it is anti-extrusion that the method such as increase armor strengthens it Performance, causes the increase of cable production and R＆D costs, has increased business burden.

Utility model content

In order to solve the above problems, the utility model is intended to improve by structure and optimize, provide a kind of have good Anti-extrusion performance, and the Anti-pressure cable of enterprise's production and R＆D costs will not be dramatically increased.

The technical scheme of this Anti-pressure cable is realized in：

Described Anti-pressure cable, including some mutually stranded cores, is surrounded with belting layer, belting layer peripheral hardware outside core It is equipped with screen layer, outside screen layer, is extruded with rubber layer, rubber layer includes internal layer and set bag is fixed on outer layer outside internal layer, internal layer It is provided with some brace rods longitudinally along the cable, described cavity is divided into several by brace rod in cavity and outer layer between Hollow cushion chamber.

Further, described brace rod is in isosceles trapezoid shape perpendicular to the section in cable length direction, from outer layer sensing Layer direction, the thickness of brace rod becomes larger by little, and accordingly, the width of hollow cushion chamber is by tapering into greatly.

Further, all it is filled with packed layer between described core and core, core and belting layer.

Further, described core includes the wire stranded by some seal wires, is extruded with insulating barrier outside wire.

Further, described insulating barrier is made up of silicone rubber insulation material.

Further, described packed layer is made up of flame retardant type glass cord.

Further, described belting layer is made up of low smoke and zero halogen oxygen barrier band.

Further, described screen layer is formed by ultra-fine proof copper-wire braided.

Further, described rubber layer is made up of low-smoke halide-free fireproof composite polyolefine material.

Rubber layer in this Anti-pressure cable is carried out extruding operation using the mould being adapted with its shape and forms, and works as external force When putting on this Anti-pressure cable, the outer layer of rubber layer deforms towards internal layer, and hollow cushion chamber provides enough for outer layer Deformation extension space, external force can be laid down a part, after outer layer is deformed into and is offseted with internal layer, not laid down by deformation process External force conduction be applied on wire, the power that conductor is born is less than and applies external force to cable, thus decrease wire because There are loose, the various situations such as rupture, deform probability in external force, reach effective purpose strengthening the anti-extrusion performance of cable.

Brief description

The accompanying drawing constituting a part of the present utility model is used for providing further understanding to of the present utility model, and this practicality is new The schematic description and description of type is used for explaining the utility model, does not constitute to improper restriction of the present utility model.? In accompanying drawing：

Fig. 1 is this Anti-pressure construction of cable schematic diagram.

Description of reference numerals：

In figure：1. seal wire, 2. insulating barrier, 3. packed layer, 4. belting layer, 5. screen layer, 6. rubber layer, 61. internal layers, 62. Outer layer, 63. hollow cushion chambers, 64. brace rods.

Specific embodiment

It should be noted that in the case of not conflicting, the embodiment in the utility model and the feature in embodiment can To be mutually combined.

In description of the present utility model it is to be understood that term " " center ", " longitudinal ", " horizontal ", " on ", D score, The orientation of instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outward " or position relationship are Based on orientation shown in the drawings or position relationship, it is for only for ease of description the utility model and simplifies description, rather than instruction Or the hint device of indication or element must have specific orientation, with specific azimuth configuration and operation, be not therefore understood that It is to restriction of the present utility model.Additionally, term " first ", " second " etc. are only used for describing purpose, and it is not intended that indicating Or hint relative importance or the implicit quantity indicating indicated technical characteristic.Thus, " first ", " second " etc. are defined Feature can express or implicitly include one or more this feature.In description of the present utility model, unless separately It is described, " multiple " are meant that two or more.

In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " peace Dress ", " being connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or integratedly Connect；Can be to be mechanically connected or electrically connect；Can be to be joined directly together it is also possible to be indirectly connected to by intermediary, It can be the connection of two element internals.For the ordinary skill in the art, on being understood by concrete condition State concrete meaning in the utility model for the term.

To describe the utility model below with reference to the accompanying drawings and in conjunction with the embodiments in detail.

Anti-pressure cable described in the utility model, as illustrated, including some mutually stranded cores, further, Described core includes the wire stranded by some seal wires 1, is extruded with insulating barrier 2 it is preferable that described insulating barrier outside wire 2 are made up of silicone rubber insulation material, are surrounded with belting layer 4 it is preferable that described belting layer 4 is by low smoke and zero halogen oxygen barrier bag outside core Band is made, and further, is all filled with packed layer 3 it is preferable that described fill out between described core and core, core and belting layer 4 Fill layer 3 to be made up of flame retardant type glass cord, outside belting layer 4, be provided with screen layer 5 it is preferable that described screen layer 5 is by ultra-fine copper Silk braiding forms, and is extruded with rubber layer 6 it is preferable that described rubber layer 6 is by low-smoke halide-free fireproof composite polyolefine material outside screen layer 5 Make, rubber layer 6 includes internal layer 61 and set bag is fixed on outer layer 62 outside internal layer 61, the cavity between internal layer 61 and outer layer 62 In be provided with some brace rods 64 longitudinally along the cable, described cavity is divided into several hollow cushion chambers by brace rod 64 63.

Rubber layer 6 in this Anti-pressure cable is carried out extruding operation using the mould being adapted with its shape and forms, when outer When power puts on this Anti-pressure cable, the outer layer 62 of rubber layer 6 deforms towards internal layer 61, and hollow cushion chamber 63 carries for outer layer 62 Enough deformation extension spaces are supplied, external force can be laid down a part by deformation process, when outer layer 62 is deformed into and internal layer 61 After offseting, the external force conduction do not laid down is applied on wire, and the power that conductor is born is less than the external force applying to cable, from And decrease wire, because of external force, loose, the various situations such as rupture, deform probability occur, reach effective enhancing cable crush resistance The purpose of energy.

In this Anti-pressure cable, described brace rod 64 is in isosceles trapezoid shape perpendicular to the section in cable length direction, certainly outer Layer 62 sensing internal layer 61 directions, the thickness of brace rod 64 becomes larger by little, accordingly, the width of hollow cushion chamber 63 by big by Gradual change is little, and, so that outer layer 62 is towards during internal layer 61 deformation, that gradually narrows is hollow for this structure of hollow cushion chamber 63 Cushion chamber 63 forms certain restriction to outer layer 62, prevents outer layer 62 excessive deformation and damaged.

The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all this Within the spirit of utility model and principle, any modification, equivalent substitution and improvement made etc., should be included in the utility model Protection domain within.

Claims

1. a kind of Anti-pressure cable, including some mutually stranded cores, is surrounded with belting layer (4), belting layer (4) outside core Be provided with outward screen layer (5), be extruded with rubber layer (6) outside screen layer (5) it is characterised in that：Rubber layer (6) includes internal layer (61) And set bag be fixed on internal layer (61) outside outer layer (62), along cable length side in the cavity between internal layer (61) and outer layer (62) To being provided with some brace rods (64), described cavity is divided into several hollow cushion chambers (63) by brace rod (64).

2. Anti-pressure cable according to claim 1 it is characterised in that：Described brace rod (64) is perpendicular to cable length side To section be in isosceles trapezoid shape, point to internal layer (61) direction from outer layer (62), the thickness of brace rod (64) becomes larger by little, Accordingly, the width of hollow cushion chamber (63) is by tapering into greatly.

3. Anti-pressure cable according to claim 1 and 2 it is characterised in that：Described core and core, core and belting layer (4) all it is filled with packed layer (3) between.

4. Anti-pressure cable according to claim 1 and 2 it is characterised in that：Described core is included by some seal wires (1) Stranded wire, is extruded with insulating barrier (2) outside wire.

5. Anti-pressure cable according to claim 4 it is characterised in that：Described insulating barrier (2) is by silicone rubber insulation material Make.

6. Anti-pressure cable according to claim 3 it is characterised in that：Described packed layer (3) is by flame retardant type glass fibre Rope is made.

7. Anti-pressure cable according to claim 1 it is characterised in that：Described belting layer (4) is by low smoke and zero halogen oxygen barrier bag Band is made.

8. Anti-pressure cable according to claim 1 it is characterised in that：Described screen layer (5) is by ultra-fine proof copper-wire braided Become.

9. Anti-pressure cable according to claim 1 it is characterised in that：Described rubber layer (6) is gathered by low-smoke non-halogen flame-retardant Olefin material is made.