CN214505058U - Bending-resistant cable - Google Patents

Abstract

The utility model discloses a resistant cable of buckling, the outside of inner sheath is provided with the shield cover, the outside of shield cover is provided with the reinforcing sleeve, the outside of reinforcing sleeve is provided with the oversheath, be provided with a plurality of spiral helicine outer muscle in the reinforcing sleeve, the middle part of the inboard of inner sheath is provided with the inner casing, be provided with interior muscle in the inner casing, be provided with triangle-shaped's support between inner casing and the inner sheath, the middle part of the side pole of support is provided with the protective sheath, be provided with the electric lead in the protective sheath, inner casing, support, inner casing, protective sheath integrated into one piece, pack the stopping in the space between inner casing, support, the inner casing. This is novel through the setting of support, can make the inside even as an organic whole of cable, and intensity is big, and the resistant performance of buckling of cable is good, sets up the strengthening rib simultaneously, further strengthens cable's intensity.

Description

Bending-resistant cable

Technical Field

The utility model relates to a cable field especially relates to a resistant cable of buckling.

Background

Cables are generally rope-like cables made by stranding several or groups of conductors (at least two in each group), each group being insulated from each other and often twisted around a center, the entire outer surface being coated with a highly insulating coating. The cable has the characteristics of internal electrification and external insulation.

At present, with the process of urbanization quickening, the overhead cable can cause the waste of urban space utilization and the potential safety hazard, and the common way is to lay a cable pipeline underground at present. When the cable is installed through a cable pipeline, the cable can be dragged and bent, the cable is very easy to damage and break, the situations such as water inlet corrosion and the like occur, and potential safety hazards are buried for subsequent application.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a resistant cable of buckling to prior art not enough.

In order to achieve the above purpose, the present invention is achieved by the following technical solutions.

The utility model provides a resistant cable of buckling, it includes oversheath, reinforcement sleeve, shield cover, inner sheath, support, inner sheath, protective sheath, outer muscle, interior muscle, electric lead, stopping, the outside of inner sheath is provided with the shield cover, the outside of shield cover is provided with the reinforcement sleeve, the outside of reinforcement sleeve is provided with the oversheath, be provided with a plurality of spiral helicine outer muscle in the reinforcement sleeve, the middle part of the inboard of inner sheath is provided with the inner sheath, be provided with interior muscle in the inner sheath, be provided with triangular support between inner sheath and the inner sheath, the middle part of the side pole of support is provided with the protective sheath, be provided with the electric lead in the protective sheath, inner sheath, support, inner sheath, protective sheath integrated into one piece, fill the space stopping between inner sheath, support, the inner sheath.

Further, the outer sheath is a pipe made of modified polypropylene.

Furthermore, the reinforcing sleeve is made of thermoplastic polyurethane elastomer rubber.

Furthermore, the shielding sleeve is a tin-plated wire braid.

Further, inner sheath, support, inner casing are the PVC material.

Further, the support includes limit pole, connecting rod, the limit pole is three, the inside of sheath including the shape distribution that the limit pole is isosceles triangle, be provided with the connecting rod between the contact site of limit pole, inner sheath and the inner casing pipe.

Furthermore, the outer ribs and the inner ribs are steel wires.

Furthermore, the electric lead is a copper lead, an insulating sleeve is arranged on the outer side of the electric lead, a second shielding sleeve is arranged on the outer side of the insulating sleeve, and a protective sleeve is arranged on the outer side of the second shielding sleeve.

Further, the insulating cover is the silica gel material, the second shielding cover is the tin-plated wire weaving layer.

Further, the filler is made of polypropylene fibers.

The utility model has the advantages that: this is novel through the setting of support, can make the inside even as an organic whole of cable, and intensity is big, and the resistant performance of buckling of cable is good, sets up the strengthening rib simultaneously, further strengthens cable's intensity.

Drawings

Fig. 1 is a schematic structural view of a cross section of the present invention;

fig. 2 is a schematic structural view of the outer rib of the present invention;

in the figure: 1. an outer sheath; 2. a reinforcing sleeve; 3. a shielding sleeve; 4. an inner sheath; 5. a support; 6. an inner sheath; 7. a protective sleeve; 8. an outer rib; 9. an inner rib; 10. an insulating sleeve; 11. a second shielding sleeve; 12. an electrical lead; 13. a filler; 51. a side bar; 52. a connecting rod.

Detailed Description

The present invention is further illustrated by the following examples, but is not limited to the contents of the specification.

As shown in the figure: a bending-resistant cable comprises an outer sheath 1, a reinforcing sleeve 2, a shielding sleeve 3, an inner sheath 4, a support 5, an inner sheath 6, a protective sleeve 7, an outer rib 8, an inner rib 9, an electric lead 12 and a filling material 13.

The outside of inner sheath 4 is provided with shield 3, the outside of shield 3 is provided with reinforcing sleeve 2, the outside of reinforcing sleeve 2 is provided with oversheath 1, be provided with a plurality of spiral helicine outer muscle 8 in the reinforcing sleeve 2, the middle part of the inboard of inner sheath 4 is provided with inner casing 6, be provided with interior muscle 9 in the inner casing 6, be provided with triangular support 5 between inner casing 6 and the inner sheath 4, the middle part of the side pole 51 of support 5 is provided with protective sheath 7, be provided with electric lead 12 in the protective sheath 7, inner sheath 4, support 5, inner casing 6, protective sheath 7 integrated into one piece. And filling materials 13 are filled in gaps among the inner sheath 4, the bracket 5 and the inner protection pipe 6.

The outer sheath 1 is a pipe made of MPP (modified polypropylene), the MPP pipe has excellent electrical insulation, higher thermal deformation temperature and low-temperature impact performance, particularly higher tensile and compression resistance than HDPE, and the tensile and wear resistance of the cable can be enhanced by using the outer sheath pipe made of the modified polypropylene in actual use.

The reinforcing sleeve 2 adopts TPU (thermoplastic polyurethanes) which is thermoplastic polyurethane elastomer rubber, and the TPU has the characteristics of excellent high tension, high tensile force, toughness and aging resistance, and is a mature environment-friendly material. At present, TPU is widely applied to the aspects of medical sanitation, electronic and electric appliances, industry, sports and the like, has the characteristics of high strength, good toughness, wear resistance, cold resistance, oil resistance, water resistance, aging resistance, weather resistance and the like which cannot be compared with other plastic materials, and simultaneously has a plurality of excellent functions of high waterproofness and moisture permeability, wind resistance, cold resistance, antibiosis, mildew resistance, warm keeping, ultraviolet resistance, energy release and the like. Set up outer muscle 8 in the reinforcement sleeve 2, outer muscle 8 is spiral helicine distribution in reinforcement sleeve 2, and outer muscle 8 is the steel wire, can strengthen the bulk strength of cable.

The shielding sleeve 3 is a tinned wire braid layer, and can ensure the transmission performance of the system in an electromagnetic interference environment, namely the capability of resisting external electromagnetic interference and the capability of radiating electromagnetic interference outwards by the system.

Inner sheath 4, support 5, inner casing 6 are the PVC material, adopt integrated into one piece processing preparation, set up like this in the inside of outer sheath 1, can guarantee the inside intensity of cable, strengthen the anti bending property.

The support 5 includes side bars 51, connecting rod 52, and side bars 51 are three, and the shape that is isosceles triangle distributes in the inside of inner sheath 4, is provided with connecting rod 52 between the contact site of side bars 51 and inner sheath 4 and inner sheath 6, and like this, three side bars 51 are a triangle-shaped, and a side bar 51 also constitutes triangle-shaped with two connecting rods 52, makes the sound construction of support 5, and anti buckling performance is excellent.

The inner casing 6 sets up in the middle part of the triangle-shaped of three limits pole 51 constitutions, and the inside of inner casing 6 is provided with interior muscle 9, and interior muscle 9 is the steel wire, further strengthens the intensity of cable, strengthens anti buckling performance.

The protective sheath 7 sets up in the middle part of side pole 51, also adopts the PVC material preparation, and its inside electric lead 12 just can be fixed by support 5 like this, even at the dilatory in-process of buckling, causes the damage, also can not contact each other between the electric lead, causes the potential safety hazard. In addition, the connecting rod 52 can also play a role in isolating the electric leads 12, so that potential safety hazards caused by mutual contact after the electric leads 12 are damaged are avoided.

Outer muscle 8, interior muscle 9 are the steel wire material, can strengthen the intensity of cable.

The electrical leads 12 are copper leads. An insulating sleeve 10 is arranged outside the electric lead 12, a second shielding sleeve 11 is arranged outside the insulating sleeve 10, and a protective sleeve 7 is arranged outside the second shielding sleeve 11. Insulating cover 10 is the silica gel material, when possessing insulating properties, has good wear resistance concurrently, can buckle when dilatory at the cable, is difficult for breaking.

The second shielding sleeve 11 is a tinned wire braid, like the shielding sleeve 3, and can protect the electrical conductors 12 from mutual influence.

The filler 13 is made of polypropylene fiber, and has light weight and easy construction. Basically does not increase the self weight of the component, does not change the section size of the component, simultaneously has high tensile strength, high elasticity, excellent acid and alkali corrosion resistance and high durability, and can be used in any severe environment. Simultaneously, thickness is little, is convenient for alternately overlap, and the flexible winding shaping is more showing to all kinds of curved surfaces, heterotypic member reinforcement advantage, and the compliance is good, can freely cut, sets up the space portion between inner sheath 4, support 5, inner casing 6, can avoid support 5 to reduce at the in-process of buckling, strengthens the elasticity of cable simultaneously, rigidity fracture when avoiding appearing buckling.

As used in the specification and in the claims, certain terms are used to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, and a person skilled in the art can solve the technical problem within a certain error range to substantially achieve the technical effect. In addition, the description which follows is a preferred embodiment of the invention, but is made for the purpose of illustrating the general principles of the invention and not for the purpose of limiting the scope of the invention. The scope of the present invention is defined by the appended claims.

It is also noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a good or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such good or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a commodity or system that includes the element.

The foregoing description shows and describes several preferred embodiments of the invention, but as aforementioned, it is to be understood that the invention is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (10)

1. A bending-resistant cable is characterized in that: the cable comprises an outer sheath (1), a reinforcing sleeve (2), a shielding sleeve (3), an inner sheath (4), a support (5), an inner sheath (6), a protective sleeve (7), an outer rib (8), an inner rib (9), an electric lead (12) and filler (13), wherein the shielding sleeve (3) is arranged on the outer side of the inner sheath (4), the reinforcing sleeve (2) is arranged on the outer side of the shielding sleeve (3), the outer sheath (1) is arranged on the outer side of the reinforcing sleeve (2), a plurality of spiral outer ribs (8) are arranged in the reinforcing sleeve (2), the inner sheath (6) is arranged in the middle of the inner side of the inner sheath (4), the inner rib (9) is arranged in the inner sheath (6), the triangular support (5) is arranged between the inner sheath (6) and the inner sheath (4), the protective sleeve (7) is arranged in the middle of a side rod (51) of the support (5), be provided with electric lead (12) in protective sheath (7), inner sheath (4), support (5), inner sheath (6), protective sheath (7) integrated into one piece, packing (13) are filled in the space between inner sheath (4), support (5), inner sheath (6).

2. A bend-resistant cable as recited in claim 1, wherein: the outer sheath (1) is a pipe made of modified polypropylene.

3. A bend-resistant cable as recited in claim 1, wherein: the reinforcing sleeve (2) is made of thermoplastic polyurethane elastomer rubber.

4. A bend-resistant cable as recited in claim 1, wherein: the shielding sleeve (3) is a tinned wire braid.

5. A bend-resistant cable as recited in claim 1, wherein: the inner sheath (4), the support (5) and the inner protection pipe (6) are made of PVC materials.

6. A bend-resistant cable as recited in claim 1, wherein: support (5) are including limit pole (51), connecting rod (52), limit pole (51) are three, inside of sheath (4) including limit pole (51) are isosceles triangle's shape distribution, be provided with connecting rod (52) between the contact site of limit pole (51), inner sheath (4) and inner casing (6).

7. A bend-resistant cable as recited in claim 1, wherein: the outer ribs (8) and the inner ribs (9) are steel wires.

8. A bend-resistant cable as recited in claim 1, wherein: the electric lead (12) is a copper lead, an insulating sleeve (10) is arranged on the outer side of the electric lead (12), a second shielding sleeve (11) is arranged on the outer side of the insulating sleeve (10), and a protective sleeve (7) is arranged on the outer side of the second shielding sleeve (11).

9. A bend-resistant cable as recited in claim 8, wherein: insulating cover (10) are the silica gel material, second shield cover (11) are tin-plated wire weaving layer.

10. A bend-resistant cable as recited in claim 1, wherein: the filling material (13) is made of polypropylene fiber.

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