CN213583167U

CN213583167U - Oil-resistant twisted-pair double-shielded data cable

Info

Publication number: CN213583167U
Application number: CN202022415402.1U
Authority: CN
Inventors: 浦全正
Original assignee: Shanghai Zhipang Intelligent Equipment Co ltd
Current assignee: Shanghai Zhipang Intelligent Equipment Co ltd
Priority date: 2020-10-27
Filing date: 2020-10-27
Publication date: 2021-06-29
Anticipated expiration: 2030-10-27

Abstract

The utility model discloses an oil-resistant twisted-pair double-shielded data cable relates to resistant oily shielded cable technical field, specifically is an oil-resistant twisted-pair double-shielded data cable, including moulding well core, moulding well core includes well core iron core, the outer fixed surface of well core iron core is connected with well core insulating layer, the outer fixed surface of well core insulating layer is connected with well core band, the outer surface spiral winding of moulding well core has moulding limit core and unit cable, the unit cable includes conductive core, conductive core's outer fixed surface is connected with sinle silk enamelling. This two pair of shielding data cable of oil-resistant type, through the cooperation setting of moulding well core and moulding limit core, make this two pair of shielding data cable of oil-resistant type possess the moulding installation of being convenient for and be difficult for the effect of rocking, through the cooperation setting of buffer protection layer and outer sheath, make this two pair of shielding data cable of oil-resistant type possess the effect that outer sheath anti external force strikes and not be crude hard the installation of being convenient for.

Description

Oil-resistant twisted-pair double-shielded data cable

Technical Field

The utility model relates to an resistant oily shielded cable technical field specifically is a two twisted pair double-shielded data cable of resistant oil type.

Background

The shielding cable is a transmission line which wraps a signal wire by using a metal mesh braid, the braid is generally red copper or tinned copper, the oil-resistant cable is an anti-static oil-resistant special measuring cable, and the anti-static oil-resistant special measuring cable consists of a plurality of strands of copper conductors, polyfluoride plastic insulation, a TPV thermoplastic elastomer inner sheath, a galvanized steel wire bearing reinforcing layer and a polyurethane-based outer sheath, wherein the polyfluoride plastic insulation material is extruded outside the plurality of strands of copper conductors, the TPV thermoplastic elastomer inner sheath is extruded outside the multi-core cable, the galvanized steel wire bearing reinforcing layer is woven outside the TPV thermoplastic elastomer inner sheath, and the polyurethane-based outer sheath is extruded outside the galvanized steel wire bearing reinforcing layer.

The oil-resistant shielding cable is generally used as connecting wires of various electric appliances, instruments and automatic devices under high-temperature conditions and severe environments (such as acid, alkali and oil-water low-temperature conditions), but the existing oil-resistant twisted-pair double-shielding data cable has some problems in the use process, on one hand, the cable is not convenient to shake in the use process due to the fact that the existing oil-resistant twisted-pair double-shielding data cable is not convenient to shape and fix, the outer sheath is easy to wear, on the other hand, the outer sheath is thin, the cable is easy to damage and thick, and then the cable is not convenient to bend.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides an oil-resistant type two pair double-shielded data cable has solved the problem that proposes in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: an oil-resistant twisted-pair double-shielded data cable comprises a shaping middle core, wherein the shaping middle core comprises a middle core iron core, a middle core insulating layer is fixedly connected to the outer surface of the middle core iron core, a middle core wrapping belt is fixedly connected to the outer surface of the middle core insulating layer, a shaping edge core and a unit cable are spirally wound on the outer surface of the shaping middle core, the unit cable comprises a conductive wire core, wire core wrapping paint is fixedly connected to the outer surface of the conductive wire core, a wire core insulating layer is fixedly connected to the outer surface of the wire core wrapping paint, a wire core shielding layer is fixedly connected to the outer surface of the wire core insulating layer, a wire core wrapping belt is fixedly connected to the outer surface of the shaping edge core, a cable is arranged between the shaping edge core and the unit cable for filling, a buffer protective layer is arranged on the outer surface of, the outer surface of the total shielding layer is fixedly connected with a total wrapping layer, the outer surface of the total wrapping layer is fixedly connected with an inner layer sheath, a sheath protecting layer is arranged on the outer surface of the inner layer sheath, and an outer layer sheath is arranged on the outer surface of the sheath protecting layer.

Preferably, the number of the shaping middle cores is one, the number of the shaping side cores is two, the structure of the shaping side cores is the same as that of the shaping middle cores, and the diameter of the shaping middle cores is larger than that of the shaping side cores.

Preferably, the number of the unit cables is two, and the unit cables and the shaping side core are spirally wound on the outer surface of the shaping middle core at intervals.

Preferably, the buffer protection layer comprises a protection layer inner wrapping belt, a protection layer inner pad, a protection layer armor and a protection layer outer wrapping belt, and small gaps are reserved among all parts of the buffer protection layer.

Preferably, the inner layer sheath is made of flame-retardant polyvinyl chloride, the sheath protection layer is made of a teflon film, a small gap is formed between the sheath protection layer and the inner layer sheath, and a small gap is formed between the sheath protection layer and the outer layer sheath.

Preferably, the outer surface of the outer sheath is provided with transverse grooves and longitudinal grooves, the transverse grooves are symmetrically distributed above and below the outer sheath, the longitudinal grooves are symmetrically distributed at the front and rear parts of the outer sheath, the groove depths and the groove widths of the transverse grooves and the longitudinal grooves are the same, and the transverse grooves and the longitudinal grooves are uniformly distributed on the outer surface of the outer sheath in a linear array mode.

(III) advantageous effects

The utility model provides an oil-resistant twisted-pair double-shielded data cable, possess following beneficial effect:

1. this two pair of shielding data cable of oil-resistant type, through the cooperation setting of moulding well core and moulding limit core, make this two pair of shielding data cable of oil-resistant type possess the moulding installation of being convenient for and be difficult for the effect of rocking, the mechanism of moulding well core and moulding limit core is the same, inside all is provided with the better iron core of plasticity, make the cable can not be because of the original shape of tension recovery of self when bending this cable, and make this cable can not be along with the swing of rocking of outside through the effect of iron core.

2. This oil-resistant twisted-pair double-shielded data cable, cooperation setting through buffer protection layer and outer sheath, make this oil-resistant twisted-pair double-shielded data cable possess outer sheath anti external force impact and do not become unhappy the effect of being convenient for the installation, the outmost great outer sheath that increases the diameter of this cable is used for protecting inside this cable, the surface of this outer sheath is provided with transverse groove and vertical groove, even the great also easy buckling of diameter, be provided with buffer protection layer between the leg line on outer sheath and inside, the loose outer layer that makes this cable of this buffer protection layer structure comparison is not become unhappy with the centre of kernel when the bending, realize being convenient for buckle.

Drawings

FIG. 1 is a schematic structural view of the overall cross-sectional view of the present invention;

FIG. 2 is a schematic structural view of a partial perspective view of the present invention;

fig. 3 is a schematic structural view of the shaping core of the present invention;

FIG. 4 is a schematic structural diagram of the unit cable of the present invention;

fig. 5 is a schematic structural view of the outer sheath of the present invention.

In the figure: 1. shaping the central core; 101. a core iron core; 102. a core insulating layer; 103. a central core belting; 2. shaping a side core; 3. a unit cable; 301. a conductive wire core; 302. coating the wire core with paint; 303. a core insulating layer; 304. a wire core shielding layer; 305. wrapping a wire core with a tape; 4. filling cables; 5. a buffer protection layer; 6. a total shielding layer; 7. a total band layer; 8. an inner jacket; 9. a sheath protective layer; 10. an outer sheath; 1001. a transverse slot; 1002. a longitudinal slot.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1 to 5, the present invention provides a technical solution: an oil-resistant twisted-pair double-shielded data cable comprises a shaping central core 1, wherein the shaping central core 1 comprises a central core iron core 101, a central core insulating layer 102 is fixedly connected to the outer surface of the central core iron core 101, a central core wrapping tape 103 is fixedly connected to the outer surface of the central core insulating layer 102, the central core iron core 101 is an iron wire with good plasticity, the cable can be bent in a specific direction through external force and cannot be automatically reduced, a shaping side core 2 and a unit cable 3 are spirally wound on the outer surface of the shaping central core 1, the shaping side core 2 is used for facilitating bending forming of the cable, the number of the shaping central cores 1 is one, the number of the shaping side cores 2 is two, the structure of the shaping side cores 2 is the same as that of the shaping central core 1, the diameter of the shaping central core 1 is larger than that of the shaping side core 2, the unit cable 3 comprises a conductive wire core 301, the outer surface of the conductive wire core 301 is, the outer surface of the core enamel 302 is fixedly connected with a core insulating layer 303, the outer surface of the core insulating layer 303 is fixedly connected with a core shielding layer 304, the outer surface of the core shielding layer 304 is fixedly connected with a core belting 305, the number of the unit cables 3 is two, the unit cables 3 and the shaping edge cores 2 are spirally wound on the outer surface of the shaping middle core 1 at intervals, cable filling 4 is arranged between the shaping edge cores 2 and the unit cables 3, the outer surface of the cable filling 4 is provided with a buffer protection layer 5, the buffer protection layer 5 comprises an inner protective layer belting, an inner protective layer cushion, a protective layer armor and an outer protective layer belting, small gaps are reserved among all parts of the buffer protection layer 5, the buffer protection layer 5 is convenient to bend, so that the cables are not so stiff, the outer surface of the buffer protection layer 5 is fixedly connected with a total shielding layer 6, and the, the outer surface of the main belting layer 7 is fixedly connected with an inner layer sheath 8, the outer surface of the inner layer sheath 8 is provided with a sheath protection layer 9, the outer surface of the sheath protection layer 9 is provided with an outer layer sheath 10, the outer surface of the outer layer sheath 10 is provided with a transverse groove 1001 and a longitudinal groove 1002, the transverse groove 1001 is symmetrically distributed above and below the outer layer sheath 10, the longitudinal groove 1002 is symmetrically distributed in front and back of the outer layer sheath 10, the groove depth and the groove width of the transverse groove 1001 and the longitudinal groove 1002 are the same, the transverse groove 1001 and the longitudinal groove 1002 are uniformly distributed on the outer surface of the outer layer sheath 10 in a linear array mode, the inner layer sheath 8 is made of flame-retardant polyvinyl chloride, the sheath protection layer 9 is made of a teflon film, a small gap is arranged between the sheath protection layer 9 and the inner layer sheath 8, a small gap is arranged between the sheath protection layer 9 and the, the cable is facilitated to bend by the transverse slots 1001 and the longitudinal slots 1002.

When the cable is used, the cable is thick and is not as soft as a common cable, the cable can be bent into different shapes at will according to needs and fixed on the outer surface of equipment, the bent cable cannot automatically return to the original shape, because the iron cores with good plasticity are arranged inside the shaping middle core 1 and the shaping side core 2, when the cable is installed and fixed, firstly, the route of the cable is well predicted and installed on the outer surface of the equipment, the buckle is further fixed at the bent position and the middle position with a long linear distance, the cable is further laid along the preset position and is fixed by the buckle, the fixed cable is convenient to install due to being not soft and convenient to shape, the outer layer of the cable is not required to be protected by a wire adding groove, and the outer layer of the cable 10 is provided with the transverse groove 1001 and the longitudinal groove 1002, so that the cable is convenient to bend.

In conclusion, the oil-resistant twisted-pair double-shielded data cable has the effect of facilitating shaping and installation and preventing the cable from shaking due to the matching of the shaping middle core 1 and the shaping side core 2, the shaping middle core 1 and the shaping side core 2 have the same mechanism, and the inner parts of the shaping middle core and the shaping side core are provided with the iron cores with better plasticity, so that the cable does not restore to the original shape due to the self tension when the cable is bent, and the cable does not swing along with the shaking of the outside due to the action of the iron cores, and the oil-resistant twisted-pair double-shielded data cable has the effects of resisting external force impact and preventing hardness and facilitating installation due to the matching of the buffer protection layer 5 and the outer sheath 10, the outer sheath 10 with the larger diameter is added on the outermost layer of the cable and used for protecting the inner part of the cable, and the transverse groove 1001 and the longitudinal groove 1002 are arranged on the outer surface of the outer sheath, even if the diameter is larger, the cable can be easily bent, the buffer protection layer 5 is arranged between the outer layer sheath 10 and the inner upper leg wire, the buffer protection layer 5 is loose in structure, so that the outer layer and the inner core of the cable are not stiff when being bent, and the cable is convenient to bend.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an oil-resistant twisted-pair double-shielded data cable, includes moulding center (1), its characterized in that: the molding middle core (1) comprises a middle core iron core (101), a middle core insulating layer (102) is fixedly connected to the outer surface of the middle core iron core (101), a middle core wrapping tape (103) is fixedly connected to the outer surface of the middle core insulating layer (102), a molding edge core (2) and a unit cable (3) are spirally wound on the outer surface of the molding middle core (1), the unit cable (3) comprises a conductive wire core (301), a wire core wrapping paint (302) is fixedly connected to the outer surface of the conductive wire core (301), a wire core insulating layer (303) is fixedly connected to the outer surface of the wire core wrapping paint (302), a wire core shielding layer (304) is fixedly connected to the outer surface of the wire core insulating layer (303), a wire core (305) is fixedly connected to the outer surface of the wire core shielding layer (304), and a cable filling wrapping tape (4) is arranged between the molding edge core (2), the outer surface that the cable was filled (4) is provided with buffer protection layer (5), the outer fixed surface of buffer protection layer (5) is connected with total shielding layer (6), the outer fixed surface of total shielding layer (6) is connected with total band layer (7), the outer fixed surface of total band layer (7) is connected with inlayer sheath (8), the surface of inlayer sheath (8) is provided with sheath protective layer (9), the surface of sheath protective layer (9) is provided with outer sheath (10).

2. The oil resistant twisted-pair double-shielded data cable according to claim 1, wherein: the number of the moulding middle cores (1) is one, the number of the moulding side cores (2) is two, the structure of the moulding side cores (2) is the same as that of the moulding middle cores (1), and the diameter of the moulding middle cores (1) is larger than that of the moulding side cores (2).

3. The oil resistant twisted-pair double-shielded data cable according to claim 1, wherein: the number of the unit cables (3) is two, and the unit cables (3) and the shaping side cores (2) are spirally wound on the outer surface of the shaping middle core (1) at intervals.

4. The oil resistant twisted-pair double-shielded data cable according to claim 1, wherein: the buffer protection layer (5) comprises a protection layer inner wrapping belt, a protection layer inner pad, a protection layer armor and a protection layer outer wrapping belt, and small gaps are reserved among all parts of the buffer protection layer (5).

5. The oil resistant twisted-pair double-shielded data cable according to claim 1, wherein: the inner layer sheath (8) is made of flame-retardant polyvinyl chloride, the sheath protection layer (9) is made of a teflon film, a small gap is formed between the sheath protection layer (9) and the inner layer sheath (8), and a small gap is formed between the sheath protection layer (9) and the outer layer sheath (10).

6. The oil resistant twisted-pair double-shielded data cable according to claim 1, wherein: the outer surface of the outer sheath (10) is provided with transverse grooves (1001) and longitudinal grooves (1002), the transverse grooves (1001) are symmetrically distributed above and below the outer sheath (10), the longitudinal grooves (1002) are symmetrically distributed in the front and back of the outer sheath (10), the depth and the width of the transverse grooves (1001) and the width of the longitudinal grooves (1002) are the same, and the transverse grooves (1001) and the longitudinal grooves (1002) are uniformly distributed on the outer surface of the outer sheath (10) in a linear array mode.