CN211404109U - Bending-resistant and compression-resistant cable - Google Patents

Abstract

The utility model provides a resistant crooked resistance to compression cable. It has solved current technical problem. This resistant crooked resistance to compression cable, including a plurality of conductive core, conductive core all sets up in tying up the layer, and the equal cladding in the outside of every conductive core has the insulating layer, the outside cladding on strapping layer have the supporting layer, the outside cladding of supporting layer have interior inoxidizing coating, the outside of interior inoxidizing coating be equipped with outer inoxidizing coating, interior inoxidizing coating and outer inoxidizing coating between be equipped with multilayer formula resistance to compression mechanism, the outside cladding of outer inoxidizing coating have the resistant crooked layer of being made by thermoplastic polyurethane elastomer rubber, the outside of resistant crooked layer be equipped with interval arrangement and a plurality of deformation recesses that extend in axial direction on the circumference direction, deformation recess in be equipped with crooked limit structure, the outside of resistant crooked layer still be equipped with insulating top layer. The utility model has the advantages of high structural strength, bending resistance and the like.

Description

Bending-resistant and compression-resistant cable

Technical Field

The utility model belongs to the technical field of the cable, especially, relate to a resistant crooked resistance to compression cable.

Background

The inside of current data transmission cable is provided with power cable and signal cable. Usually, these power cables and signal cables are hard wires, that is, the power cables or signal wires made of metal (mainly selected from copper material) and the protective outer layer constitute the corresponding power cables and signal cables. Such data transmission cables are hard, are easy to break when bent, and are not suitable for devices which are frequently moved, such as measurement devices, control circuits, machines, mechanical tools, robots and the like, and working environments with more bends. The cable terminal equipment in the prior art comprises a plurality of cables, but the cable terminal equipment is easy to fail due to the problem that the cables are easy to break. To sum up, the main problems of the flexible cable in the prior art are: poor bending resistance, easy breaking and low structural strength.

For example, chinese patent document discloses a flexible cable for a computer [ application No.: 201720656522.6], its structure includes acid and alkali-resistant protective layer, the coke parcel layer, anticorrosive protective sheath, inlayer insulating sheath, copper conductor, wear-resisting woven mesh, flexible cable device, be equipped with coke parcel layer in the acid and alkali-resistant protective layer, be equipped with anticorrosive protective sheath in the coke parcel layer, anticorrosive protective sheath is connected with inlayer insulating sheath, the inside parcel of inlayer insulating sheath has copper conductor, the inside flexible cable device that is equipped with of inlayer insulating sheath, flexible cable device includes cable channel, cable protection pipe, the MMO silk, cable channel is equipped with cable protection pipe outward, cable protection pipe is connected with the MMO silk, the MMO silk is connected with copper conductor, cable channel is connected with copper conductor.

The solution described above improves to some extent some of the problems of the prior art, but it also has at least the following drawbacks: poor bending resistance, easy breaking and low structural strength.

Disclosure of Invention

The utility model aims at the above-mentioned problem, provide a structural strength is high, resistant crooked resistant resistance to compression cable.

In order to achieve the above purpose, the utility model adopts the following technical proposal: this resistant crooked resistance to compression cable, including a plurality of conductive core, conductive core all sets up in tying up the layer, and the equal cladding in the outside of every conductive core has the insulating layer, the outside cladding on strapping layer have the supporting layer, the outside cladding of supporting layer have interior inoxidizing coating, the outside of interior inoxidizing coating be equipped with outer inoxidizing coating, interior inoxidizing coating and outer inoxidizing coating between be equipped with multilayer formula resistance to compression mechanism, the outside cladding of outer inoxidizing coating have the resistant crooked layer of being made by thermoplastic polyurethane elastomer rubber, the outside of resistant crooked layer be equipped with interval arrangement and a plurality of deformation recesses that extend in axial direction on the circumference direction, deformation recess in be equipped with crooked limit structure, the outside of resistant crooked layer still be equipped with insulating top layer.

Multilayer formula compressive structure between interior inoxidizing coating and the outer inoxidizing coating can improve the compressive capacity of cable on the circumference side, prevents that the cable from being flattened and leading to the conductive core fracture and influencing the use, and is equipped with the deformation recess on the resistant crooked layer, and is equipped with crooked limit structure in the deformation recess, carries out certain restriction to the crookedness when guaranteeing that the cable can be crooked, prevents that random bending from leading to the conductive core damage increase of service life.

In the bending-resistant compression-resistant cable, the multilayer compression-resistant mechanism comprises a first compression-resistant layer arranged on the outer side of the inner protective layer, a second compression-resistant layer is arranged on the outer side of the first compression-resistant layer, a third compression-resistant layer is arranged on the outer side of the second compression-resistant layer, a plurality of filling cavities which are arranged at intervals are formed in the circumferential direction of the first compression-resistant layer, the second compression-resistant layer and the third compression-resistant layer, and compression-resistant strips made of elastic materials are filled in the filling cavities. The first pressure resistant layer, the second pressure resistant layer and the third pressure resistant layer are wrapped between the inner protective layer and the outer protective layer in an annular layer, and the pressure resistant strips made of elastic materials are arranged in the filling cavities, so that impact force can be gradually relieved through the pressure resistant strips even if the cable is stressed too much, and the integral structural strength of the cable is improved.

In the bending-resistant and pressure-resistant cable, the cross section of the filling cavity is in a regular hexagon shape.

In foretell resistant crooked resistance to compression cable, crooked limit structure including opening a plurality of sections that set up in the deformation recess and be the crooked restriction groove of rectangle, crooked restriction groove cave in the deformation recess, just the major axis direction extending direction of crooked restriction groove be parallel with the width direction of deformation recess. The bending limiting groove can lead the cable to play the roles of bending guiding and limiting when being bent, so that the cable can be smoothly bent only by taking the bending limiting groove as a bending track, and the bending resistance is improved.

In the bending-resistant and pressure-resistant cable, the bending limiting grooves are arranged in the deformation groove at equal intervals. Preferably, the more the bending limiting grooves are in the axial direction, the better the bending performance.

In the bending-resistant and compression-resistant cable, the inner protective layer and the outer protective layer are cylindrical metal wire meshes.

Compared with the prior art, the bending-resistant and pressure-resistant cable has the advantages that: 1. the multilayer compression-resistant structure between the inner protective layer and the outer protective layer can improve the compression resistance of the cable in the circumferential direction, and the structural strength is high; 2. be equipped with crooked restriction structure in the deformation recess, carry out certain restriction to the crookedness when guaranteeing that the cable can be crooked, resistant bending capability is good.

Drawings

FIG. 1 is a schematic structural view provided by the present invention;

fig. 2 is a schematic structural diagram of a bending-resistant layer provided by the present invention;

fig. 3 is a schematic structural diagram of an outer protective layer provided by the present invention;

in the figure, a conductive wire core 1, a binding layer 2, an insulating layer 3, a supporting layer 4, an inner protective layer 5, an outer protective layer 6, a multi-layer compression-resistant mechanism 7, a bending-resistant layer 8, a deformation groove 9, an insulating surface layer 10, a first compression-resistant layer 11, a second compression-resistant layer 12, a third compression-resistant layer 13, a filling cavity 14, a compression-resistant strip 15 and a bending limiting groove 16.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1-3, this resistant crooked resistance to compression cable, including a plurality of conductive core 1, conductive core 1 all sets up in strapping layer 2, and the outside of every conductive core 1 all wraps the insulating layer 3, the outside cladding of strapping layer 2 has supporting layer 4, the outside cladding of supporting layer 4 has interior inoxidizing coating 5, the outside of interior inoxidizing coating 5 is equipped with outer inoxidizing coating 6, be equipped with multilayer formula resistance to compression mechanism 7 between interior inoxidizing coating 5 and the outer inoxidizing coating 6, the outside cladding of outer inoxidizing coating 6 has resistant crooked layer 8 of being made by thermoplastic polyurethane elastomer rubber, the outside of resistant crooked layer 8 is equipped with a plurality of deformation recesses 9 of interval arrangement in the circumferencial direction and extending at the axial direction, be equipped with crooked limit structure in the deformation recess 9, the outside of resistant crooked layer 8.

Multilayer formula resistance to compression mechanism 7 between interior inoxidizing coating 5 and the outer inoxidizing coating 6 can improve the compressive capacity of cable in the ascending of circumference direction, prevents that the cable from being squashed and leading to the fracture of conductive core 1 and influencing the use, and is equipped with deformation recess 9 on resistant crooked layer 8, and is equipped with crooked restriction structure in the deformation recess 9, carries out certain restriction to the crookedness when guaranteeing that the cable can be crooked, prevents that random bending from leading to the damage of conductive core 1, increase of service life.

Preferably, the multilayer compression-resistant mechanism 7 comprises a first compression-resistant layer 11 arranged on the outer side of the inner protective layer 5, a second compression-resistant layer 12 is arranged on the outer side of the first compression-resistant layer 11, a third compression-resistant layer 13 is arranged on the outer side of the second compression-resistant layer 12, a plurality of filling cavities 14 which are arranged at intervals are formed in the circumferential direction of the first compression-resistant layer 11, the second compression-resistant layer 12 and the third compression-resistant layer 13, compression-resistant strips 15 made of elastic materials are filled in the filling cavities 14, and the cross sections of the filling cavities 14 are regular hexagons.

The first pressure resistant layer 11, the second pressure resistant layer 12 and the third pressure resistant layer 13 are wrapped between the inner protective layer 5 and the outer protective layer 6 in an annular layer, and the pressure resistant strips 15 made of elastic materials are arranged in the filling cavities 14, so that impact force can be gradually relieved through the pressure resistant strips 15 even if the cable is stressed too much, and the integral structural strength of the cable is improved.

Further, the bending limiting structure comprises a plurality of bending limiting grooves 16 with rectangular cross sections, the bending limiting grooves 16 are arranged in the deformation groove 9, the bending limiting grooves 16 are recessed in the deformation groove 9, and the extending direction of the long axis direction of the bending limiting grooves 16 is parallel to the width direction of the deformation groove 9. The bending limiting groove 16 can lead the cable to play a role in bending guiding and limiting when the cable is bent, so that the cable can be smoothly bent only by taking the bending limiting groove 16 as a bending track, and the bending resistance is improved.

Further, the bending limiting grooves 16 are arranged at equal intervals in the deforming groove 9, and it is preferable that the bending limiting grooves 16 are more as better as more in the axial direction, and the more the bending performance is better.

Further, the inner protective layer 5 and the outer protective layer 6 are cylindrical wire nets.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the terms of conductive wire core 1, strapping 2, insulating layer 3, support layer 4, inner protective layer 5, outer protective layer 6, multi-layer compression-resistant mechanism 7, bending-resistant layer 8, deformation-resistant groove 9, insulating surface layer 10, first compression-resistant layer 11, second compression-resistant layer 12, third compression-resistant layer 13, filling cavity 14, compression-resistant strip 15, bending-limiting groove 16, etc., are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims (6)

1. The utility model provides a resistant crooked resistance to compression cable, includes a plurality of conductive core (1), conductive core (1) all sets up in strapping layer (2), and the outside of every conductive core (1) all the cladding has insulating layer (3), a serial communication port, the outside cladding of strapping layer (2) have supporting layer (4), the outside cladding of supporting layer (4) have interior inoxidizing coating (5), the outside of interior inoxidizing coating (5) be equipped with outer inoxidizing coating (6), interior inoxidizing coating (5) and outer inoxidizing coating (6) between be equipped with multilayer formula resistance to compression mechanism (7), the outside cladding of outer inoxidizing coating (6) have resistant crooked layer (8) of being made by thermoplastic polyurethane elastomer rubber, the outside of resistant crooked layer (8) be equipped with in the circumferential direction interval arrangement and at a plurality of deformation recess (9) of axial direction extension, the deformation groove (9) is internally provided with a bending limiting structure, and the outer side of the bending resistant layer (8) is also provided with an insulating surface layer (10).

2. The bending-resistant and pressure-resistant cable according to claim 1, wherein the multilayer pressure-resistant mechanism (7) comprises a first pressure-resistant layer (11) arranged outside the inner protective layer (5), a second pressure-resistant layer (12) is arranged outside the first pressure-resistant layer (11), a third pressure-resistant layer (13) is arranged outside the second pressure-resistant layer (12), a plurality of filling cavities (14) arranged at intervals are formed in the circumferential direction of the first pressure-resistant layer (11), the second pressure-resistant layer (12) and the third pressure-resistant layer (13), and pressure-resistant strips (15) made of elastic materials are filled in the filling cavities (14).

3. The bend-resistant and crush-resistant cable as recited in claim 2, wherein the cross section of the filling cavity (14) is a regular hexagon.

4. The bending-resistant and pressure-resistant cable according to claim 1, wherein the bending limiting structure comprises a plurality of bending limiting grooves (16) with rectangular cross sections, the bending limiting grooves (16) are arranged in the deformation groove (9), the bending limiting grooves (16) are recessed in the deformation groove (9), and the extension direction of the long axis of the bending limiting grooves (16) is parallel to the width direction of the deformation groove (9).

5. Bending-resistant and pressure-resistant cable according to claim 4, wherein the bending-limiting grooves (16) are arranged at equal intervals in the deformation groove (9).

6. Bending and compression resistant cable according to claim 1, wherein said inner (5) and outer (6) protective layers are cylindrical wire meshes.

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