CN216597083U

CN216597083U - Anti-interference low-smoke flame-retardant cable

Info

Publication number: CN216597083U
Application number: CN202123193567.XU
Authority: CN
Inventors: 周远荣
Original assignee: Yangzhou Huakai Cable Co ltd
Current assignee: Yangzhou Huakai Cable Co ltd
Priority date: 2021-12-20
Filing date: 2021-12-20
Publication date: 2022-05-24
Anticipated expiration: 2031-12-20

Abstract

The utility model discloses an anti-interference low-smoke flame-retardant cable, which comprises: the inner side end of the protective sleeve is provided with an armor layer in an embedded mode, the inner side end of the armor layer is provided with a separation sleeve, and a first filling part is embedded in the separation sleeve; the mounting hole penetrates through the first filling part, the reinforcing strip is mounted in the first filling part through the mounting hole, the second filling part is arranged in the middle of the inner side of the protective sleeve, and the connecting hole is formed in the middle of the second filling part; the outer supporting layer is mounted at the inner side end of the first filling part, a mounting layer assembly is mounted inside the outer supporting layer, and the outer end of the mounting layer assembly is connected with an inner supporting layer located inside the separating sleeve. This anti-interference low smoke flame retarded cable wholly possesses better anti-interference structure, can effectively avoid the phenomenon of the signal loss that causes in the use, has improved holistic intensity simultaneously.

Description

Anti-interference low-smoke flame-retardant cable

Technical Field

The utility model relates to the technical field of low-smoke flame-retardant cables, in particular to an anti-interference low-smoke flame-retardant cable.

Background

The low-smoke flame-retardant cable is a guide made of one or more mutually insulated conductors and an outer insulating protection layer and is mainly used for transmitting power or information from one place to another place, but most of the low-smoke flame-retardant cables in the market still have some defects, such as the defects;

the low-smoke flame-retardant cable with the Chinese patent authorization publication number of CN208673747U comprises a plurality of cable cores, wherein each cable core comprises a copper conductor and an insulating sleeve on the outer side of the copper conductor, rubber separators are arranged at the centers of the plurality of cable cores, the cross sections of the rubber separators are regular polygons, the number of sides of each regular polygon is the same as that of the cable cores, and a hollow structure is arranged at the center of each rubber separator; and a high-temperature-resistant belting layer, a water-resistant layer and an outer sheath are sequentially arranged outside the cable core. According to the utility model, the rubber separator is arranged at the center of the cable core, so that the strength of the cable is enhanced, the halogen-free low-smoke flame-retardant polyolefin insulating sleeve, the low-smoke halogen-free flame-retardant high-temperature-resistant belting layer and the water-blocking layer are adopted, so that the flame-retardant characteristic of the cable is effectively improved, and less smoke and no toxic gas are generated even if the cable is combusted.

However, the above prior art solutions have the following drawbacks: it does not possess better anti-interference structure, easily receives external environment to disturb influence in the use to be not convenient for use, and then have certain use defect, consequently, we propose an anti-interference low smoke flame retarded cable, in order to solve the problem of proposing among the above-mentioned.

Disclosure of Invention

The utility model aims to provide an anti-interference low-smoke flame-retardant cable, which aims to solve the problems that the existing cable provided by the background technology does not have a good anti-interference structure, is easily interfered and influenced by an external environment in the using process, is inconvenient to use and further has certain use defects.

In order to achieve the purpose, the utility model provides the following technical scheme: an anti-jamming low smoke flame retardant cable comprising:

the inner side end of the protective sleeve is provided with an armor layer in a nested mode, the inner side end of the armor layer is provided with a separation sleeve, and a first filling part is embedded in the separation sleeve;

the mounting hole penetrates through the first filling part, the reinforcing strip is mounted in the first filling part through the mounting hole, the second filling part is arranged in the middle of the inner side of the protective sleeve, and the connecting hole is formed in the middle of the second filling part;

the outer supporting layer is arranged at the inner side end of the first filling part, an installation layer assembly is arranged inside the outer supporting layer, a wire core body is arranged inside the installation layer assembly, and the outer end of the installation layer assembly is connected with an inner supporting layer located inside the separation sleeve.

Preferably, the separating sleeve is circumferentially arranged on the inner side of the armor layer at an equal angle, and the outer side end of the separating sleeve is arranged in a circular arc shape.

Preferably, the mounting holes and the reinforcing strips are arranged in the first filling part in a one-to-one correspondence manner, and the reinforcing strips are symmetrically arranged about the axis in the first filling part.

Preferably, the longitudinal section of the second filling part is in an X shape, and the included corners of the second filling part are connected with the separation sleeve.

Preferably, the mounting layer assembly comprises a protective layer, an insulating layer, a shielding layer and a low-smoke flame-retardant layer;

the protective layer is arranged at the inner side end of the outer support layer;

an insulating layer installed at an inner side of the protective layer;

the shielding layer is mounted at the inner side end of the insulating layer in a fitting manner;

and the low-smoke flame-retardant layer is arranged in the shielding layer and is connected with the wire core body.

Preferably, the outer side end of the inner supporting layer is arranged in a circular arc shape, and the inner supporting layer and the outer supporting layer are arranged on the outer side of the mounting layer assembly in a one-to-one correspondence manner.

Compared with the prior art, the utility model has the beneficial effects that: the anti-interference low-smoke flame-retardant cable integrally has a better anti-interference structure, can effectively avoid the phenomenon of signal loss caused in the use process, and simultaneously improves the integral strength;

1. the shielding layer is attached to the inner side end of the insulating layer, the armor layer is arranged inside the protective sleeve, and the shielding layer and the armor layer jointly increase the overall shielding effect, so that the anti-interference effect of the wire core body is improved, and the phenomenon of signal loss caused in the using process can be effectively avoided;

2. the reinforcing strips are arranged in the first filling parts in a one-to-one correspondence manner through the mounting holes, are symmetrically arranged relative to the axis of the first filling parts, and are uniformly arranged in each group of first filling part monomers, so that the overall strength and the compression resistance effect are improved;

3. the outer side end through the inner supporting layer is arc-shaped, the inner supporting layer and the outer supporting layer are arranged in a one-to-one correspondence mode on the outer side of the installation layer assembly, the inner side and the outer side of the installation layer assembly are in contact with the inner supporting layer and the outer supporting layer respectively, the supporting and bending resisting effects of the wire core body can be effectively improved, and the use is facilitated.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is a schematic view of the overall structure of the spacer and the first filling portion of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

fig. 4 is a schematic view of the overall structure of the mounting layer assembly of the present invention.

In the figure: 1. a protective sleeve; 2. an armor layer; 3. a separation sleeve; 4. a first filling part; 5. mounting holes; 6. reinforcing the strips; 7. a second filling part; 8. a connecting hole; 9. an outer support layer; 10. mounting a layer assembly; 1001. a protective layer; 1002. an insulating layer; 1003. a shielding layer; 1004. a low smoke flame retardant layer; 11. a wire core body; 12. an inner support layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides an anti-interference low smoke flame retarded cable, it is provided with armor 2 to include that protective sheath 1 medial extremity nestification, and the medial extremity of armor 2 installs spacer 3, and the inside of spacer 3 is inlayed and is provided with first filling portion 4, mounting hole 5 runs through the inside of seting up in first filling portion 4, and the inside of first filling portion 4 installs reinforcing strip 6 through mounting hole 5, the inboard middle part of protective sheath 1 is provided with second filling portion 7, and the middle part of second filling portion 7 has seted up connection hole 8, simultaneously outer support layer 9 is installed in the medial extremity of first filling portion 4, and the internally mounted of outer support layer 9 has installation layer subassembly 10, and the inside of installation layer subassembly 10 is provided with sinle silk body 11, the outer end of installation layer subassembly 10 is connected with and is located the inside inner support layer 12 of spacer 3, the low smoke anti-interference flame retarded cable that the combination constitutes.

When the anti-interference low-smoke flame-retardant cable is used, as shown in fig. 1, firstly, the installation layer assembly 10 and the cable core body 11 are installed inside the armor layer 2 through the separation sleeve 3, because the separation sleeve 3 is arranged on the inner side of the armor layer 2 in an equal-angle circumference mode, the outer side end of the separation sleeve 3 is arranged in an arc mode, the separation sleeve 3 is installed on the inner side end of the armor layer 2, the separation sleeve 3 has the effects of separation installation and support on the cable core body 11, the cable core body 11 can be used better, and meanwhile, the first filling part 4 has a better supporting effect on the installation layer assembly 10 and the cable core body 11 through the outer supporting layer 9.

As shown in fig. 1 and fig. 2, the mounting holes 5 and the reinforcing strips 6 are arranged in the first filling portion 4 in a one-to-one correspondence manner, the reinforcing strips 6 are symmetrically arranged about the axis of the first filling portion 4, the reinforcing strips 6 are mounted inside the first filling portion 4 through the mounting holes 5, and when the first filling portion 4 supports the mounting layer assembly 10, the reinforcing strips 6 reinforce the overall strength and the compressive property and the stability in the using process.

Specifically as shown in fig. 1 and 4, because the protection layer 1001 is arranged at the inner side end of the outer support layer 9, the insulation layer 1002 is arranged at the inner side of the protection layer 1001, the shielding layer 1003 is arranged at the inner side end of the insulation layer 1002 in a fitting manner, meanwhile, the low-smoke flame-retardant layer 1004 is arranged inside the shielding layer 1003, and the low-smoke flame-retardant layer 1004 is connected with the core body 11, when the core body 11 normally works, the protection layer 1001 has an installation effect on the core body, at this moment, the insulation layer 1002 has a good insulation effect on the core body 11, meanwhile, the shielding layer 1003 and the armor layer 2 jointly increase the overall shielding effect, so that the anti-interference effect of the core body 11 is improved, the phenomenon of signal loss caused in the using process can be effectively avoided, and the low-smoke flame-retardant layer 1004 has a good flame-retardant effect.

As shown in fig. 1 and 3, the longitudinal section of the second filling portion 7 is "X" shaped, and the included angle of the second filling portion 7 is connected with the separating sleeve 3, when the whole body is installed, the vertex angle of the second filling portion 7 is in close contact with the two sides of the separating sleeve 3 close to the inner side of the protective sleeve 1, so that the second filling portion 7 has a stable installation effect on the separating sleeve 3, and the tightness of the whole body connection is improved, thereby prolonging the service life of the whole body;

because the outer side end of the inner supporting layer 12 is arranged in a circular arc shape, and the inner supporting layer 12 and the outer supporting layer 9 are arranged in one-to-one correspondence at the outer side of the mounting layer assembly 10, when the mounting layer assembly 10 is mounted inside the separating sleeve 3 through the outer supporting layer 9, the inner side and the outer side of the mounting layer assembly 10 are respectively contacted with the inner supporting layer 12 and the outer supporting layer 9, at the moment, the inner supporting layer 12 and the outer supporting layer 9 have a supporting effect on the mounting layer assembly 10, meanwhile, the bending resistance effect of the wire core body 11 can be improved, the use is convenient, and the application method of the anti-interference low-smoke flame-retardant cable is realized.

The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, and the details are not described, and the content not described in detail in the specification belongs to the prior art known by persons skilled in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. An anti-interference low smoke flame retarded cable which characterized in that: the method comprises the following steps:

2. An anti-interference low smoke flame retardant cable according to claim 1, characterized in that: the separating sleeve is arranged on the inner side of the armor layer in an equiangular circumference mode, and the outer side end of the separating sleeve is arranged in an arc shape.

3. An anti-interference low smoke flame retardant cable according to claim 1, characterized in that: the mounting hole is the one-to-one setting with the reinforcement strip in the inside of first packing portion, and just the axis symmetry sets up in the reinforcement strip is about first packing portion.

4. An anti-interference low smoke flame retardant cable according to claim 1, characterized in that: the longitudinal section of the second filling part is X-shaped, and the included angle of the second filling part is connected with the separation sleeve.

5. An anti-interference low smoke flame retardant cable according to claim 1, characterized in that: the mounting layer assembly comprises a protective layer, an insulating layer, a shielding layer and a low-smoke flame-retardant layer;

an insulating layer installed at an inner side of the protective layer;

6. An anti-interference low smoke flame retardant cable according to claim 1, characterized in that: the outer side end of the inner supporting layer is arranged in a circular arc shape, and the inner supporting layer and the outer supporting layer are arranged on the outer side of the mounting layer assembly in a one-to-one correspondence mode.