CN214377735U

CN214377735U - Anti-static cable

Info

Publication number: CN214377735U
Application number: CN202120552665.9U
Authority: CN
Inventors: 陶春伟
Original assignee: Jiangxi Hongmao Cable Co ltd
Current assignee: Jiangxi Hongmao Cable Co ltd
Priority date: 2021-03-17
Filing date: 2021-03-17
Publication date: 2021-10-08
Anticipated expiration: 2031-03-17

Abstract

The utility model relates to an anti-static cable, which comprises a conductor, an inner insulating layer, a filling layer and an outer insulating layer, wherein the conductor, the inner insulating layer and the filling layer are arranged inside the outer insulating layer, an anti-corrosion sheath is arranged outside the outer insulating layer, an inner sheath, an anti-static EVA foam sheath layer and an outer sheath are sequentially arranged between the outer insulating layer and the anti-corrosion sheath from inside to outside, the EVA has good low temperature resistance through the anti-static EVA foam sheath layer arranged between the inner sheath and the outer sheath, the thermal decomposition temperature of the EVA is lower and is about DEG C, along with the increase of molecular weight, the softening point of the EVA rises, the strength is increased, the impact toughness and the environmental stress cracking resistance are improved, the anti-static EVA foam sheath layer has better anti-static performance, and the anti-static inner membrane and the anti-static outer membrane which are arranged on both sides of the anti-static EVA foam sheath layer and the anti-static coating which is arranged outside the outer sheath, the antistatic performance of the cable is further enhanced.

Description

Anti-static cable

Technical Field

The utility model belongs to the technical field of antistatic cable technique and specifically relates to an antistatic cable is related to.

Background

A cable is made up of one or more mutually insulated conductors and an outer insulating covering, the conductors carrying power or information from one location to another, usually being rope-like cables made up of several or groups of conductors (at least two in each group) twisted together, each group being insulated from each other and usually twisted around a centre, the whole being covered with a highly insulating covering. The cable has the characteristics of internal electrification and external insulation.

In the current technical means, a corresponding cable structure is often used, and in practical application, the existing cable has poor antistatic performance, insufficient self-pulling strength and poor external protection, and is easy to be damaged, so that a new antistatic cable is needed to be provided, thereby effectively improving the above problems.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing an antistatic cable has antistatic performance good, and the tractive intensity of self is high, the good effect of outside protectiveness.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides an anti-static cable, includes conductor, internal insulation layer, packing and outer insulating layer, the conductor the internal insulation layer with the packing is located the inside of outer insulating layer, just the outside of outer insulating layer is equipped with anticorrosive sheath, the outer insulating layer with from interior to exterior is equipped with the inner sheath in proper order between the anticorrosive sheath, prevents the cotton jacket layer of static eva bubble and oversheath, the inside and outside both sides of preventing the cotton jacket layer of static eva bubble are equipped with respectively prevents the static inner membrance and prevents the static adventitia, the inside ring distribution of preventing the cotton jacket layer of static eva bubble has a plurality of cavitys, just the inside of packing is equipped with the reinforcement subassembly.

Through the technical scheme, the anti-static EVA foam jacket layer is arranged between the inner jacket and the outer jacket, the EVA has good low-temperature resistance, the thermal decomposition temperature is lower and is about ℃, the softening point of the EVA is increased along with the increase of molecular weight, the strength is increased, the impact toughness and the environmental stress crack resistance are improved, the anti-static EVA foam jacket layer has good anti-static performance, and the anti-static EVA foam jacket layer is matched with an anti-static inner film and an anti-static outer film which are arranged on two sides of the anti-static EVA foam jacket layer and an anti-static coating which is arranged on the outer part of the outer jacket to further enhance the anti-static performance of the side cable, the reinforcing component is arranged in the filling, the reinforcing component comprises a central reinforcing line, a reinforcing edge sheet, an auxiliary reinforcing oblique edge sheet and an auxiliary reinforcing arc edge sheet, and can be sufficiently connected and arranged in the filling, the pulling strength of the cable is enhanced, and the cable is not easy to damage, through the cavity that is provided with in the cotton jacket layer of antistatic eva bubble to and connect the connecting strip that sets up in the cavity, can reduce the cable and suffer the effort of buckling or external impact, make the cable have better surface reset ability simultaneously again, and utilize the anticorrosive coating that is equipped with on the anticorrosive sheath, make the cable possess better corrosion protection ability.

The present invention may be further configured in a preferred embodiment as: the anti-static eva foam jacket is characterized in that a plurality of raised lines are annularly distributed on the inner side wall surface and the outer side wall surface of the anti-static eva foam jacket layer in a uniform body forming mode, and strip-shaped grooves are formed in the positions, corresponding to the raised lines, of the inner sheath and the conductor.

Through above-mentioned technical scheme, utilize the design of sand grip at the bar groove for prevent that static inner membrance and prevent that static adventitia can be located the cable by stable connection, strengthened the antistatic performance of cable, effectively solved original cable in practical application, prevent the not good problem of antistatic performance.

The present invention may be further configured in a preferred embodiment as: strengthen the subassembly and strengthen lines, avris including the center and strengthen the limit piece, supplementary enhancement oblique limit piece and supplementary enhancement arc limit piece, the line is strengthened at the center, the avris is strengthened the limit piece, supplementary enhancement oblique limit piece and supplementary enhancement arc limit piece integrated into one piece just be metal component.

Through above-mentioned technical scheme, through the enhancement subassembly that is equipped with in filling, strengthen the subassembly and strengthen the limit piece, supplementary oblique limit piece and supplementary enhancement arc limit piece of strengthening including the center, the avris, strengthened the intensity that pulls of cable, make it difficult destroyed, improved the durability of cable.

The present invention may be further configured in a preferred embodiment as: the internal connection of cavity is equipped with the connecting strip.

Through above-mentioned technical scheme, utilize the cavity that is provided with in the cotton jacket layer of antistatic eva bubble to and connect the connecting strip that sets up in the cavity, can reduce the cable and suffer the effort of buckling or external impact, make the cable have better surface reset ability simultaneously again.

The present invention may be further configured in a preferred embodiment as: the avris is strengthened the limit piece and is provided with threely altogether, and three the limit piece is strengthened to the avris and is the triangle-shaped and distributes, singly be provided with a plurality of supplementary oblique limit pieces of strengthening on the limit piece is strengthened to the avris.

Through above-mentioned technical scheme, lines, avris are strengthened at the center and are strengthened the limit piece, supplementary enhancement bevel edge piece and supplementary enhancement arc limit piece, and the inside of filling is located in connection that can be comparatively full, has strengthened the intensity of dragging of cable, is difficult for being destroyed.

The present invention may be further configured in a preferred embodiment as: and an anti-static coating is arranged on the wall surface of one side of the anti-static eva foam jacket layer, which is different from the outer wall of the anti-static sheath.

Through above-mentioned technical scheme, utilize the anticorrosive coating that is equipped with on the anticorrosive sheath for the cable possesses better anticorrosive ability, and the antistatic coating that the oversheath outside was equipped with has further strengthened the antistatic performance of cable.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the utility model discloses in the in-process of using, through the antistatic EVA foam jacket layer that is equipped with between inner sheath and the oversheath, EVA has fine low temperature resistance performance, its thermal decomposition temperature is lower, about the ℃ C, along with the increase of molecular weight, EVA's softening point rises, intensity increases, impact toughness improves with resistant environmental stress crack nature, antistatic EVA foam jacket layer possesses better antistatic performance, and cooperate antistatic EVA foam jacket layer both sides to be equipped with antistatic inner membrance and antistatic adventitia, and the oversheath outside is equipped with antistatic coating, the antistatic performance of cable has further been strengthened, effectively solved original cable in practical application, the problem that antistatic performance is not good;

2. the utility model discloses in the in-process that uses, through the enhancement subassembly that is equipped with in the packing, strengthen the subassembly including central enhancement lines, the avris is strengthened the limit piece, supplementary enhancement bevel edge piece and supplementary enhancement arc limit piece, can locate the inside of packing by comparatively abundant connection, the intensity of dragging of cable has been strengthened, be difficult for being destroyed, through the cavity that is provided with in preventing the cotton lagging of static eva bubble, and connect the connecting strip that sets up in the cavity, can reduce the effort that the cable suffered to buckle or external force striking, make the cable have better surface restoration ability simultaneously again, and utilize the anticorrosive coating that is equipped with on the anticorrosive sheath, make the cable possess better corrosion resisting property, it is poor to have solved outside protectiveness, the easy damaged problem, the practicality of cable has been increased.

Drawings

Fig. 1 is a schematic view of the cross-sectional structure of the anti-static cable of the present invention.

Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.

Fig. 3 is the cross-sectional structure diagram of the anti-static cable filling part of the present invention.

Fig. 4 is a partially enlarged view of a portion B in fig. 2.

Fig. 5 is the structure diagram of the central reinforcing line part of the anti-static cable of the present invention.

Reference numerals: 1. a conductor; 2. an inner insulating layer; 3. filling; 4. an outer insulating layer; 5. an inner sheath; 6. a central reinforcing line; 7. a side reinforcing edge piece; 8. an antistatic eva foam jacket layer; 9. an antistatic inner film; 10. an antistatic outer film; 11. an outer sheath; 12. a cavity; 13. an anti-corrosion sheath; 14. a convex strip; 15. a strip-shaped groove; 16. an anti-corrosion coating; 17. an antistatic coating; 18. a connecting strip; 19. auxiliary reinforcing bevel edge pieces; 20. auxiliary reinforcing arc edge pieces.

Detailed Description

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

Referring to fig. 1-5, for the anti-static cable disclosed by the present invention, comprising a conductor 1, an inner insulating layer 2, a filler 3 and an outer insulating layer 4, the conductor 1, the inner insulating layer 2 and the filler 3 are disposed inside the outer insulating layer 4, and an anti-corrosion sheath 13 is disposed outside the outer insulating layer 4, an inner sheath 5, an anti-static eva foam jacket layer 8 and an outer sheath 11 are sequentially disposed between the outer insulating layer 4 and the anti-corrosion sheath 13 from inside to outside, an anti-static inner membrane 9 and an anti-static outer membrane 10 are respectively disposed on the inner and outer sides of the anti-static eva foam jacket layer 8, a plurality of cavities 12 are annularly disposed inside the anti-static eva foam jacket layer 8, and a reinforcing component is disposed inside the filler 3, and an anti-corrosion coating 16 disposed on the anti-corrosion jacket 13 is utilized to make the cable have better anti-corrosion performance, when the cable is subjected to bending or external force impact, because of the cavities 12 disposed in the anti-static eva foam jacket layer 8, and the connecting strip 18 connected and set up in the cavity 12, can reduce the cable and suffer the effort of buckling or external force impact, make the cable have better surface reset ability at the same time, in the cable practical application, through filling the reinforcement assembly equipped in 3, the reinforcement assembly is the metal component and the reinforcement assembly includes the central reinforcement line 6, the edge side strengthens the edge sheet 7, the auxiliary strengthens the oblique edge sheet 19 and assists and strengthens the arc edge sheet 20, can locate inside filling 3 relatively full connection, has strengthened the pull strength of the cable, difficult to be destroyed, when the cable uses, the antistatic EVA foam jacket layer 8 that is equipped with between outer sheath 11 and the inner sheath 5, EVA has very good low temperature resistance, its thermal decomposition temperature is lower, about 230 duC, along with the increase of molecular weight, the softening point of EVA rises, the intensity increases, impact toughness and environmental stress crack resistance improve, prevent the cotton jacket layer 8 of static eva bubble and possess better antistatic performance, and the cooperation prevents that the cotton jacket layer 8 both sides of static eva bubble are equipped with prevent static inner membrance 9 and prevent static adventitia 10 to and the anti-static coating 17 that the oversheath 11 outside was equipped with, further strengthened the antistatic performance of cable, ensured the utility model discloses the stronger antistatic performance of cable has guaranteed the use operation to preventing static cable safety and stability.

It is specific, prevent that the homogeneous body shaping just is the annular distribution on the cotton jacket face of inside and outside both sides of static eva bubble layer 8 has a plurality of sand grips 14, bar groove 15 has been seted up with the corresponding position department of sand grip 14 on inner sheath 5 and the conductor 1, utilize the joint design of sand grip 14 in bar groove 15, make prevent that static inner membrance 9 and prevent static adventitia 10 can be located the cable by stable connection, the antistatic performance of cable has been strengthened, original cable has effectively been solved in practical application, prevent the not good problem of static performance.

Further, strengthen the subassembly and strengthen lines 6 including the center, the avris is strengthened limit piece 7, supplementary enhancement bevel edge piece 19 and supplementary enhancement arc limit piece 20, lines 6 is strengthened at the center, the avris is strengthened limit piece 7, supplementary enhancement bevel edge piece 19 and supplementary enhancement arc limit piece 20 integrated into one piece just are the metal component, through the enhancement subassembly that is equipped with in filling 3, strengthen the subassembly and strengthen lines 6 including the center, the avris is strengthened limit piece 7, supplementary enhancement bevel edge piece 19 and supplementary enhancement arc limit piece 20, the intensity of dragging of cable has been strengthened, make it be difficult for being destroyed, the durability of cable has been improved.

Meanwhile, the connecting strips 18 are arranged in the inner connection of the cavity 12, the cavity 12 arranged in the anti-static eva foam jacket layer 8 and the connecting strips 18 arranged in the cavity 12 in a connecting mode can reduce the action force of bending or external force impact on the cable, and meanwhile the cable has better surface resetting capability.

And the avris is strengthened the limit piece 7 and is provided with threely altogether, and three avris is strengthened the limit piece 7 and is the triangle-shaped and distribute, is provided with a plurality of supplementary oblique limit pieces 19 of strengthening on the single avris is strengthened the limit piece 7, through the enhancement subassembly that is equipped with in filling 3, strengthen the subassembly for metal component and strengthen the subassembly including the center strengthen lines 6, the limit piece 7 is strengthened to the avris, supplementary enhancement oblique limit piece 19 and supplementary enhancement arc limit piece 20, the inside of filling 3 is located in connection that can be comparatively full.

Furthermore, an anti-static coating 16 is arranged on the outer wall of the anti-static sheath 13, an anti-static coating 17 is arranged on the wall surface of the outer sheath 11, which is different from the side of the anti-static eva foam sheath layer 8, the anti-static coating 16 arranged on the anti-static sheath 13 is utilized, so that the cable has better anti-corrosion performance, and the anti-static coating 17 arranged outside the outer sheath 11 further enhances the anti-static performance of the cable.

The implementation principle of the embodiment is as follows: in the using process of the utility model, the anti-corrosion coating 16 arranged on the anti-corrosion sheath 13 is utilized to ensure that the cable has better anti-corrosion performance, the cable is subjected to the action force of bending or external force impact, because the cavity 12 arranged in the anti-static eva foam jacket layer 8 and the connecting strip 18 connected and arranged in the cavity 12 can reduce the action force of bending or external force impact, and simultaneously the cable has better surface resetting capability, in the practical application of the cable, the reinforcing component is a metal component and comprises a central reinforcing line 6, a side reinforcing edge sheet 7, an auxiliary reinforcing oblique edge sheet 19 and an auxiliary reinforcing arc edge sheet 20, the cable can be arranged in the filling 3 in a more abundant connection manner, the dragging strength of the cable is enhanced, the cable is not easy to be damaged, when the cable is used, the anti-eva foam jacket layer 8 arranged between the inner sheath 5 and the static outer sheath 11, EVA has fine low temperature resistance ability, and its thermal decomposition temperature is lower, is about 230 ℃ or so, along with the increase of molecular weight, EVA's softening point rises, and intensity increases, and impact toughness improves with resistant environmental stress cracking nature, and the cotton jacket layer 8 of antistatic EVA bubble possesses better antistatic performance, and cooperation antistatic EVA bubble is equipped with antistatic inner membrance 9 and antistatic adventitia 10 in the cotton jacket layer 8 both sides of 8 both sides, and the antistatic coating 17 that 11 outsides of oversheath were equipped with, the antistatic performance of cable has further been strengthened, has ensured the utility model discloses the stronger antistatic performance of cable has guaranteed the operation to antistatic cable safety and stability.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. An antistatic cable, includes conductor (1), inner insulation layer (2), packing (3) and outer insulation layer (4), its characterized in that: conductor (1) inner insulating layer (2) with fill (3) and locate the inside of outer insulating layer (4), just the outside of outer insulating layer (4) is equipped with anticorrosive sheath (13), outer insulating layer (4) with from interior to exterior is equipped with inner sheath (5), prevents that static eva steeps cotton jacket layer (8) and oversheath (11) in proper order between anticorrosive sheath (13), the inside and outside both sides of preventing static eva steeps cotton jacket layer (8) are equipped with respectively prevents static inner membrance (9) and prevent static adventitia (10), the inside ring distribution of preventing static eva steeps cotton jacket layer (8) has a plurality of cavitys (12), just the inside of filling (3) is equipped with the reinforcement subassembly.

2. An antistatic cable as claimed in claim 1, wherein: prevent that the homogeneous body shaping just has a plurality of sand grips (14) in the annular distribution on the inside and outside both sides wall face of static eva bubble cotton jacket layer (8), inner sheath (5) with bar groove (15) have been seted up with the corresponding position department of sand grip (14) on conductor (1).

3. An antistatic cable as claimed in claim 1, wherein: strengthen the subassembly and strengthen lines (6), avris including the center and strengthen limit piece (7), supplementary oblique limit piece (19) of strengthening and supplementary arc limit piece (20), lines (6), avris are strengthened at the center and the limit piece (7), supplementary oblique limit piece (19) of strengthening and supplementary arc limit piece (20) integrated into one piece just are metal component of strengthening.

4. An antistatic cable as claimed in claim 1, wherein: the inner part of the cavity (12) is connected with a connecting strip (18).

5. An antistatic cable according to claim 3, wherein: the avris is strengthened limit piece (7) and is provided with threely altogether, and three the avris is strengthened limit piece (7) and is the triangle-shaped and distributes, singly be provided with a plurality of supplementary oblique edge pieces (19) of strengthening on the avris is strengthened limit piece (7).

6. An antistatic cable as claimed in claim 1, wherein: and an anti-static coating (16) is arranged on the outer wall of the anti-static sheath (13), and an anti-static coating (17) is arranged on the outer sheath (11) on the wall surface on one side different from the anti-static eva foam sheath layer (8).