CN214796801U - Bending-resistant sheath flexible cable - Google Patents
Bending-resistant sheath flexible cable Download PDFInfo
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- CN214796801U CN214796801U CN202121139104.2U CN202121139104U CN214796801U CN 214796801 U CN214796801 U CN 214796801U CN 202121139104 U CN202121139104 U CN 202121139104U CN 214796801 U CN214796801 U CN 214796801U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The utility model relates to a resistant sheath flexible cable of buckling relates to wire and cable's technical field, and it includes a plurality of heart yearns, and the heart yearn from inside to outside in proper order the cladding has filling layer, shielding layer, interior sheath and outer jacket, is provided with the protective sheath between shielding layer and the interior sheath, and the coaxial cover of protective sheath is established in the shielding layer periphery, is provided with on the protective sheath to be used for the connecting piece of interior sheath rigid coupling on the protective sheath. This application has the effect that improves the resistant performance of buckling of cable.
Description
Technical Field
The application relates to the technical field of electric wires and cables, in particular to a bending-resistant sheath flexible cable.
Background
A cable is an electric energy or signal transmission device, a wire for transmitting electric power or information from one place to another, generally a rope-like transmission device formed by twisting several or several groups of wires, each group of wires being insulated from each other and often twisted around a center, the whole being covered with a highly insulating covering; the cable has the characteristics of internal electrification and external insulation.
The existing Chinese patent with patent application number 201420228443.1 provides a cable, which comprises a plurality of conductors, an insulating layer and a wrapping layer, wherein the insulating layer and the wrapping layer are wrapped outside each conductor, the wrapping layer wraps the outer surfaces of the insulating layers, a pipe sleeve is slidably sleeved at one end of the wrapping layer, a plurality of blade sets used for cutting the wrapping layer are uniformly arranged at one end of the pipe sleeve around the pipe sleeve, and a fixing device is arranged at the other end of the pipe sleeve opposite to the blade sets.
In view of the above related technologies, the inventor thinks that in an industrial environment, to avoid the cables from being tangled and worn, the cables are generally bundled together, so the cables need to be moved or bent frequently, and the long-term bending of the cables can cause the wrapping layer of the cables to be damaged, thereby affecting the transmission performance of the cables.
SUMMERY OF THE UTILITY MODEL
In order to improve the cable and reduce and influence the problem of cable transmission performance around the covering, this application provides a resistant sheath flexible cable of buckling.
The application provides a resistant sheath flexible cable that buckles adopts following technical scheme:
the utility model provides a resistant sheath flexible cable of buckling, includes a plurality of heart yearns, the heart yearn from inside to outside in proper order the cladding have filling layer, shielding layer, interior sheath and outer jacket, the shielding layer with be provided with the protective sheath between the interior sheath, the coaxial cover of protective sheath is established the shielding layer periphery, be provided with on the protective sheath be used for with interior sheath rigid coupling is in connecting piece on the protective sheath.
By adopting the technical scheme, the core wire is used for transmitting electric energy and signals; the filling layer is used for isolating a plurality of core wires, and simultaneously can protect the core wires to avoid the core wires from being damaged by machinery; the shielding layer can isolate the core wire from an external electromagnetic field; protective sheath, interior sheath and outer jacket all can carry out soft protection to the heart yearn, avoid the cable heart yearn to be broken when the coiling, improved the resistant performance of buckling of cable.
Optionally, the connecting piece sets up to the spiral strip, the protective sheath sets up to the heliciform, the spiral strip is followed protective sheath extending direction sets up on the periphery wall of protective sheath, seted up on the inner wall of interior sheath with the helicla flute of spiral strip spiral adaptation.
By adopting the technical scheme, the protective sleeve is arranged in a spiral shape, the spiral protective sleeve has excellent bending resistance, the spiral protective sleeve does not influence the winding of the cable, and the core wire can be subjected to soft protection, so that the bending resistance of the cable is improved; the protective sheath is stabilized the rigid coupling under the interact of helical strip and helicla flute and is in the inboard of interior sheath for the connection effect of interior sheath through the protective sheath can stably overlap and establish in the shielding layer periphery.
Optionally, a plurality of capillary hoses are inserted into the outer sheath, and the capillary hoses are arranged along the axial direction of the outer sheath.
Through adopting above-mentioned technical scheme, the capillary hose has good resistant performance of buckling, and the capillary hose texture is soft, and the capillary hose both can not influence the coiling of cable, can also strengthen the resistant performance of buckling of outer jacket, and then has improved the resistant performance of buckling of cable.
Optionally, an armor layer for increasing the mechanical strength of the cable is arranged between the outer protective layer and the inner protective layer.
Through adopting above-mentioned technical scheme, the armor can protect the interior sheath not receive the destruction of outside mechanical force, improves the life of interior sheath and protective sheath for interior sheath and protective sheath can carry out long-term soft protection to the heart yearn, and then have improved the resistant performance of buckling of cable.
Optionally, the inner and outer walls of the armor layer are provided with protective layers for reducing abrasion of the armor layer to the inner protective layer and the outer protective layer.
Through adopting above-mentioned technical scheme, the inoxidizing coating can reduce the armor and produce wearing and tearing because of the coiling between inner sheath and the outer jacket, prolongs the life of inner sheath and outer jacket for inner sheath and outer jacket can carry out long-term soft protection to the heart yearn, and then have improved the resistant performance of buckling of cable.
Optionally, the outer wall of the outer protective layer is coated with an anti-aging aluminum foil adhesive tape.
Through adopting above-mentioned technical scheme, the aluminium foil sticky tape has good thermal-insulated heat preservation, mould proof and falls the performance of making an uproar, and the cable exposes in the air for a long time, and the aluminium foil sticky tape can block the direct irradiation of the outer sheath of sun, avoids the outer sheath to produce the thermal oxidation ageing, prolongs the life of outer sheath for the outer sheath can carry out long-term soft protection to the heart yearn, and then has improved the resistant performance of buckling of cable.
Optionally, an ultra-hydrophobic layer for draining water is arranged on the end face, away from the outer protective layer, of the aluminum foil adhesive tape.
Through adopting above-mentioned technical scheme, the cable exposes in the air for a long time, and aerial steam can the adhesion on aluminium foil adhesive tape surface, and steam fuses can corrode aluminium foil adhesive tape after having the dust in the air, and the super hydrophobic layer can reduce the gathering of steam on aluminium foil adhesive tape surface, prolongs aluminium foil adhesive tape's life for the outer jacket can carry out long-term soft protection to the heart yearn, and then improves the resistant bending performance of cable.
Optionally, one end, away from the protective sleeve, of the spiral strip is arc-shaped, and the edges of the spiral groove are all set to be fillets.
Through adopting above-mentioned technical scheme, when the cable was convoluteed, the helicla flute produced deformation, and the helix strip can carry out extrusion wearing and tearing to the helicla flute inner wall this moment, and the helix strip is kept away from the one end of protective sheath sets up to circular-arcly, can reduce the helix strip and go up the wearing and tearing of helicla flute inner wall on the internal sheath, and the border of helicla flute all sets up to the fillet simultaneously, can reduce the border of helicla flute to the wearing and tearing of protective sheath perisporium, prolongs the life of interior sheath and protective sheath for interior sheath and protective sheath all can carry out long-term soft protection to the heart yearn, and then improve the resistant bending performance of cable.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the spiral protective sleeve has excellent bending resistance, the spiral protective sleeve does not influence the winding of the cable, and can perform soft protection on the core wire, so that the bending resistance of the cable is improved;
2. the capillary hose has excellent bending resistance, is soft, does not influence the winding of the cable, and can enhance the bending resistance of the outer protective layer, so that the bending resistance of the cable is improved;
3. the super-hydrophobic layer can reduce the accumulation of water vapor on the surface of the aluminum foil adhesive tape, prolong the service life of the aluminum foil adhesive tape, enable the aluminum foil adhesive tape to block direct irradiation of the outer protective layer by the sun, avoid the outer protective layer from generating thermal oxidation aging, prolong the service life of the outer protective layer, enable the outer protective layer to perform long-term soft protection on the core wire, and further improve the bending resistance of the cable.
Drawings
FIG. 1 is a schematic structural diagram of the whole in the embodiment of the present application;
figure 2 is an exploded view of the inner sheath, sock and spiral strip in an embodiment of the present application.
Reference numerals: 1. a core wire; 2. a filling layer; 3. a shielding layer; 4. an inner protective layer; 5. an outer jacket; 6. a protective sleeve; 7. a helical strip; 8. a helical groove; 9. a capillary hose; 10. an armor layer; 11. a protective layer; 12. an aluminum foil tape; 13. a super-hydrophobic layer.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
The embodiment of the application discloses resistant sheath flexible cable that buckles. Referring to fig. 1 and 2, the bending-resistant jacketed flexible cable includes a core wire 1, a filler layer 2, a shield layer 3, an inner sheath 4, and an outer sheath 5.
Referring to fig. 1 and 2, a plurality of core wires 1 are arranged, the core wires 1 mainly comprise wires and insulating rubber sleeves, the insulating rubber sleeves are tightly sleeved and fixed on the core wires 1, and the insulating rubber sleeves can perform insulating protection on the wires; filling layer 2 can be become by a plurality of polypropylene ropes, also can become by a plurality of glass fiber ropes, can also become by a plurality of asbestos ropes, and filling layer 2 can protect heart yearn 1, avoids heart yearn 1 to receive mechanical damage, and filling layer 2 can also make cable external diameter round relatively in order to do benefit to the band in addition.
Referring to fig. 1 and 2, the shielding layer 3 wraps the periphery of the filling layer 2, the shielding layer 3 is cylindrical, the shielding layer 3 can be made of metallized paper, semiconductor paper tape or copper tape, the copper tape can be woven, the inner wall of the shielding layer 3 is tightly attached to the outer wall of the filling layer 2, the core wire 1 can be isolated from an external electromagnetic field by the shielding layer 3, and the transmission performance of the cable is improved.
Referring to fig. 1 and 2, the inner sheath 4 is made of rubber, the inner sheath 4 is arranged in a cylindrical shape, the inner sheath 4 is coaxially arranged on the periphery of the shielding layer 3, and the inner diameter of the inner sheath 4 is larger than the outer diameter of the shielding layer 3; be provided with protective sheath 6 between shielding layer 3 and interior sheath 4, protective sheath 6 is made by the PVC material, and 6 coaxial covers of protective sheath are established in 3 peripheries of shielding layer, and the inner wall of protective sheath 6 closely laminates with 3 outer walls of shielding layer, and protective sheath 6 sets up to the heliciform, and the heliciform protective sheath 6 neither can influence the coiling of cable, can also carry out soft protection to heart yearn 1.
Referring to fig. 1 and 2, a connecting piece for fixedly connecting the inner protective layer 4 to the protective sleeve 6 is arranged on the protective sleeve 6, the connecting piece is a spiral strip 7, the spiral strip 7 is arranged on the outer peripheral wall of the protective sleeve 6 along the extending direction of the protective sleeve 6, the spiral strip 7 is made of a PVC material, the spiral strip 7 and the protective sleeve 6 are integrally formed, and the screw pitch of the spiral strip 7 is the same as that of the protective sleeve 6; offer on the inner wall of interior sheath 4 with the helicla flute 8 of 7 spiral adaptations of spiral strip, scribble the emollient of the 7 screw in of spiral strip of being convenient for on the 8 inner walls of spiral flute, 7 threaded connection of spiral strip are in spiral flute 8, and the rigid coupling is stabilized in the inboard of interior sheath 4 under 7 and 8's of spiral flute's the interact for interior sheath 4 can stable cover establish in shielding layer 3 periphery through the connection effect of protective sheath 6.
Referring to fig. 1 and 2, the end of the spiral strip 7, which is far away from the protective sleeve 6, is set to be arc-shaped, when the cable is wound, the spiral groove 8 deforms, at this time, the spiral strip 7 extrudes and wears the inner wall of the spiral groove 8, and the end of the spiral strip 7, which is far away from the protective sleeve 6, is set to be arc-shaped, so that the wear of the spiral strip 7 on the inner wall of the spiral groove 8 on the inner protective layer 4 can be reduced; the edges of the spiral grooves 8 are all set to be round corners, and the abrasion of the edges of the spiral grooves 8 to the peripheral wall of the protective sleeve 6 can be reduced due to the arrangement of the round corners.
Referring to fig. 1 and 2, the outer protective layer 5 is made of rubber, the outer protective layer 5 is arranged in a cylindrical shape, the outer protective layer 5 is coaxially arranged on the periphery of the inner protective layer 4, and the inner diameter of the outer protective layer 5 is larger than the outer diameter of the inner shielding layer; an armor layer 10 for increasing the mechanical strength of the cable is arranged between the outer protection layer 5 and the inner protection layer 4, the armor layer 10 is cylindrical, the inner diameter of the armor layer 10 is larger than the outer diameter of the inner protection layer 4, the outer diameter of the armor layer 10 is smaller than the inner diameter of the outer protection layer 5, the armor layer 10 is coaxially arranged on the periphery of the inner protection layer 4, and the armor layer 10 is made of glass steel; armor layer 10 may protect inner jacket 4 from external mechanical forces, increasing the useful life of inner jacket 4 and protective jacketing 6.
Referring to fig. 1 and 2, the inner wall and the outer wall of the armor layer 10 are respectively provided with a protective layer 11 for reducing abrasion of the armor layer 10 to the inner protective layer 4 and the outer protective layer 5, the protective layer 11 is made of rubber, the protective layer 11 is adhered to the inner wall and the outer wall of the armor layer 10 through an adhesive, the protective layer 11 on the inner wall of the armor layer 10 is tightly attached to the outer peripheral wall of the inner protective layer 4, and the protective layer 11 on the outer wall of the armor layer 10 is tightly attached to the inner wall of the outer protective layer 5; the protective layer 11 can reduce abrasion of the armor layer 10 caused by winding between the inner sheath 4 and the outer sheath 5, and prolong the service life of the inner sheath 4 and the outer sheath 5.
Referring to fig. 1 and 2, a plurality of capillary hoses 9 are inserted into the outer protective layer 5, the capillary hoses 9 are arranged along the axial direction of the outer protective layer 5, the capillary hoses 9 are all located on the same circumference, and the central axis of the circumference where the capillary hoses 9 are located and the central axis of the outer protective layer 5 are arranged in a collinear manner; the diameter size of the circumference formed by the enclosing of the plurality of capillary hoses 9 is smaller than the outer diameter size of the outer protective layer 5, but larger than the inner diameter size of the outer protective layer 5; the capillary tube 9 does not affect the winding of the cable and also enhances the bending resistance of the outer sheath 5.
Referring to fig. 1 and 2, the outer wall of the outer protective layer 5 is coated with an aluminum foil tape 12 for anti-aging, the aluminum foil tape 12 is bonded and fixed on the outer wall of the outer protective layer 5, the outer wall of the outer protective layer 5 is completely shielded by the aluminum foil tape 12, the aluminum foil tape 12 can block direct irradiation of the sun to the outer protective layer 5, the outer protective layer 5 is prevented from generating thermal oxidation aging, and the service life of the outer protective layer 5 is prolonged.
Referring to fig. 1 and 2, an ultra-hydrophobic layer 13 for draining water is arranged on an end face, away from the outer protective layer 5, of the aluminum foil tape 12, the ultra-hydrophobic layer 13 is fixed on the aluminum foil tape 12 through bonding, and the outer peripheral wall of the aluminum foil tape 12 is completely covered by the ultra-hydrophobic layer 13; the super-hydrophobic layer 13 can reduce the accumulation of water vapor on the surface of the aluminum foil tape 12, thereby avoiding the corrosion of the aluminum foil tape 12 due to the dust fused in the water vapor and prolonging the service life of the aluminum foil tape 12.
The implementation principle of the bending-resistant sheath flexible cable in the embodiment of the application is as follows: firstly, a plurality of core wires 1 are coated at intervals and rounded by using a filling layer 2, and then the periphery of the filling layer 2 is wound and coated by using a shielding layer 3; then, the protective sleeve 6 with the spiral strip 7 is sleeved on the periphery of the shielding layer 3, the spiral strip 7 is rotated, the spiral strip 7 is screwed into the inner protective layer 4 under the thread guiding effect of the spiral groove 8, and the inner protective layer 4 can be stably sleeved on the periphery of the shielding layer 3 through the connecting effect of the protective sleeve 6.
Then sheathing an armor layer 10 with a protective layer 11 on the periphery of the inner protective layer 4 to enhance the mechanical strength of the cable; then, an outer protective layer 5 with an aluminum foil adhesive tape 12 and an ultra-hydrophobic layer 13 is sleeved on the periphery of the armor layer 10, so that the corrosion resistance of the cable is improved; finally, the capillary tube 9 is inserted into the outer sheath 5 to enhance the bending resistance of the outer sheath 5.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a resistant sheath flexible cable of buckling, includes a plurality of heart yearns (1), heart yearn (1) has filling layer (2), shielding layer (3), interior sheath (4) and outer jacket (5) from inside to outside in proper order, its characterized in that: shielding layer (3) with be provided with protective sheath (6) between interior sheath (4), protective sheath (6) coaxial cover is established shielding layer (3) periphery, be provided with on protective sheath (6) be used for with interior sheath (4) rigid coupling is in connecting piece on protective sheath (6).
2. The bend resistant jacketed flexible cable of claim 1, wherein: the connecting piece sets up to spiral strip (7), protective sheath (6) set up to the heliciform, spiral strip (7) are followed protective sheath (6) extending direction sets up on the periphery wall of protective sheath (6), seted up on the inner wall of interior sheath (4) with spiral groove (8) of spiral strip (7) spiral adaptation.
3. The bend resistant jacketed flexible cable of claim 1, wherein: the outer protection layer (5) is connected with a plurality of capillary hoses (9) in an inserted mode, and the capillary hoses (9) are arranged along the axial direction of the outer protection layer (5).
4. The bend resistant jacketed flexible cable of claim 1, wherein: an armor layer (10) used for increasing the mechanical strength of the cable is arranged between the outer protective layer (5) and the inner protective layer (4).
5. The bend resistant jacketed flexible cable of claim 4, wherein: and the inner wall and the outer wall of the armor layer (10) are respectively provided with a protective layer (11) for reducing the abrasion of the armor layer (10) to the inner protective layer (4) and the outer protective layer (5).
6. The bend resistant jacketed flexible cable of claim 1, wherein: the outer wall of the outer protective layer (5) is coated with an anti-aging aluminum foil adhesive tape (12).
7. The bend resistant jacketed flexible cable of claim 6, wherein: and an ultra-hydrophobic layer (13) for draining water is arranged on the end face, far away from the outer protective layer (5), of the aluminum foil adhesive tape (12).
8. The bend resistant jacketed flexible cable of claim 2, wherein: one end, far away from the protective sleeve (6), of the spiral strip (7) is arc-shaped, and the edges of the spiral grooves (8) are all set to be round angles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121139104.2U CN214796801U (en) | 2021-05-25 | 2021-05-25 | Bending-resistant sheath flexible cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121139104.2U CN214796801U (en) | 2021-05-25 | 2021-05-25 | Bending-resistant sheath flexible cable |
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| Publication Number | Publication Date |
|---|---|
| CN214796801U true CN214796801U (en) | 2021-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121139104.2U Active CN214796801U (en) | 2021-05-25 | 2021-05-25 | Bending-resistant sheath flexible cable |
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| CN (1) | CN214796801U (en) |
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2021
- 2021-05-25 CN CN202121139104.2U patent/CN214796801U/en active Active
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