CN217902762U

CN217902762U - Data cable assembly with flame retardant construction

Info

Publication number: CN217902762U
Application number: CN202221612360.3U
Authority: CN
Inventors: 竺汝栋; 杨勇; 柳风; 蔡玮
Original assignee: HANGZHOU HUIER CABLE CO LTD
Current assignee: HANGZHOU HUIER CABLE CO LTD
Priority date: 2022-06-24
Filing date: 2022-06-24
Publication date: 2022-11-25
Anticipated expiration: 2032-06-24

Abstract

The utility model relates to a data cable technical field just discloses a data cable subassembly with fire-retardant structure, including cable body and joint, the one end erection joint of cable body, dustproof subassembly and curb plate are connected to the both sides of joint, and the one end fixed connection baffle of curb plate, baffle openly run through and set up the through-hole, and the cable body includes core, fire prevention insulating layer, inner sheath, filling layer, fire prevention insulating layer and oversheath. The utility model discloses a set up dustproof subassembly at the joint surface, seted up the round hole in the both sides that connect, round hole internal rotation links to each other the round pin axle for dustproof subassembly can be in the upset of joint both sides, and in connecting the insertion equipment, dustproof subassembly is in the state of opening, then gets off dustproof subassembly upset when connecting when extracting, and the blend stop can not get into the dust in can the protection joint with the roof before two sidebars cooperations, still can avoid the joint to suffer the collision and damage simultaneously.

Description

Data cable assembly with flame retardant construction

Technical Field

The utility model relates to a data cable technical field specifically is a data cable subassembly with fire-retardant structure.

Background

With the high-speed development of optical communication technology, optical cables are commonly used in backbone networks and inter-office relay lines of wired communication networks in China, and the fact that optical fibers enter an access network becomes a necessary trend. However, the cable laying cost is too high, the joint cost and the terminal optical-electrical conversion cost are expensive, so the subscriber line of the access network still dominates the metal cable for a long time before the popularization of the optical fiber. The metal cable mainly comprises a full-plastic cable, a coaxial cable and a data cable. The data cable is an ideal transmission medium of the broadband access network at present, has the advantages of low manufacturing cost, simple structure, good expandability and convenient network upgrade, and is mainly used for building comprehensive wiring, cell computer comprehensive wiring and the like.

However, with the widespread use of data cables, the low fire rating of the data cables is liable to cause electrical fire, so that the adjacent cables around are damaged, and irreparable loss is caused to the whole power system, and therefore, the fire-proof performance of the data cables needs to be upgraded. To this end we propose a data cable assembly with flame retardant structure.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a data cable subassembly with fire-retardant structure possesses good fire behaviour, prevents that data cable from arousing the conflagration, installs the advantage that dustproof subassembly can protect the joint of data cable simultaneously, has solved above-mentioned technical problem.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a data cable assembly with a flame-retardant structure comprises a cable body and a connector, wherein the connector is installed at one end of the cable body, the dustproof assembly and a side plate are connected to two sides of the connector, one end of the side plate is fixedly connected with a baffle, and a through hole is formed in the front face of the baffle in a penetrating mode;

the cable body includes core, fire-proof insulation layer, inner sheath, filling layer, fire-proof thermal insulation layer and oversheath, core surface parcel fire-proof insulation layer, fire-proof insulation layer surface inner sheath, the surface parcel filling layer of inner sheath, the surface parcel fire-proof thermal insulation layer of filling layer, the surface parcel oversheath of fire-proof thermal insulation layer.

Preferably, the inner sheath is made of aluminum alloy.

Through above technical scheme, the inner sheath wholly adopts aluminum alloy material integrated into one piece, can remain holistic mechanical properties of data cable and bending capability, and aluminum alloy material is favorable to heat-conduction with higher speed simultaneously, prevents that the long-time gathering of heat from leading to its softening and reduction life on the fireproof insulation layer surface.

Preferably, the filling layer is composed of a plurality of inorganic paper ropes.

Through above-mentioned technical scheme, the filling layer is woven by a plurality of inorganic paper ropes and is formed, can fill the gap that produces between the core, guarantees the circularity of data cable, and inorganic paper rope is the rock wool material simultaneously, has good fire behaviour, still environmental protection material simultaneously.

Preferably, the outer sheath is a low smoke zero halogen sheath.

Through above-mentioned technical scheme, low smoke and zero halogen sheath is made by thermoplasticity or thermosetting compound, and the smoke generation volume of these compounds is limited, does not contain halogen, can not produce harmful gas even expose under the high temperature source moreover, even the oversheath of data cable's outside suffers the burning, and nevertheless the fire prevention insulating layer mainly adopts fire prevention mud to dope fire retardant preparation and forms, does not have the flammability, can effectual isolated fire source, avoids other layers of inside to be swept.

Preferably, the top surface and the bottom surface of the connector are provided with anti-slip threads, and the cable body is inserted into the through hole.

Through above-mentioned technical scheme, the joint comprises access end and tail end, and the access end is arranged in inserting equipment, and the anti-skidding line of tail end top surface can be so that increase finger contact's frictional force when extracting the joint, and the cable body alternates in the through-hole for the junction of cable body and joint does not receive the power of dragging, thereby is favorable to protecting the junction of cable body and joint not to split.

Preferably, the dustproof assembly comprises two side strips, a pin shaft, a front barrier strip and a top plate, the pin shaft is connected with the inner side surfaces of the side strips, the front barrier strip is connected with one end of each side strip, and the top plate is connected with the top of each side strip.

Through the technical scheme, also be provided with the shield in data cable's joint department usually, but one end will connect back in the plug-in device, the shield suffers abandonment, if need then need extract data cable's joint when overhauing equipment, the protection that the joint did not have the shield then gets into foreign matter such as dust very easily this moment, the round hole has been seted up in the both sides that connect, round hole internal rotation links to each other the round pin axle, make dustproof subassembly can overturn in connecting both sides, in connecting the plug-in device, dustproof subassembly is in the state of turning over, then get off dustproof subassembly upset when connecting and extracting, the blend stop before two sidebars cooperations can protect not to get into the dust in the joint with the roof, still can avoid the joint to suffer the collision and damage simultaneously.

Compared with the prior art, the utility model provides a data cable subassembly with fire-retardant structure possesses following beneficial effect:

1. the utility model discloses an inner sheath wholly adopts aluminum alloy material integrated into one piece, can remain holistic mechanical properties of data cable and bending capability, the filling layer is worked out by a plurality of inorganic paper ropes and forms, can fill the gap that produces between the core, guarantee the circularity of data cable, inorganic paper rope is the rock wool material simultaneously, good fire behaviour has, the fire prevention insulating layer mainly adopts fire prevention mud to dope fire retardant preparation and forms, do not have the flammability, can effectual isolated fire source, avoid other layers of inside to be reached, overall structure has strengthened the fire behavior of data cable.

2. The utility model discloses a setting up dustproof subassembly at the joint surface, having seted up the round hole in the both sides that connect, round hole internal rotation round pin axle that links to each other for dustproof subassembly can be in the upset of joint both sides, and in connecting the insertion equipment, dustproof subassembly is in the state of opening, then gets off dustproof subassembly upset when connecting and extracting, and the blend stop can protect not getting into the dust in connecting with the roof before two sidebar cooperations, still can avoid the joint to suffer the collision and damage simultaneously.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a schematic cross-sectional view of the cable body according to the present invention;

fig. 3 is a schematic perspective view of the dustproof assembly of the present invention.

Wherein: 1. a cable body; 11. a core body; 12. a fire-resistant insulating layer; 13. an inner sheath; 14. a filling layer; 15. a fireproof heat-insulating layer; 16. an outer sheath; 2. a joint; 3. a dust-proof component; 31. side strips; 32. a pin shaft; 33. a front barrier strip; 34. a top plate; 4. a side plate; 5. a baffle plate; 6. and a through hole.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The first embodiment is as follows:

as shown in fig. 1-2, the data cable assembly with a flame retardant structure provided by the present invention includes a cable body 1 and a joint 2, the joint 2 is installed at one end of the cable body 1, the dustproof assembly 3 and a side plate 4 are connected to two sides of the joint 2, one end of the side plate 4 is fixedly connected with a baffle plate 5, and a through hole 6 is formed through the front surface of the baffle plate 5;

cable body 1 includes core 11, fire-proof insulation layer 12, inner sheath 13, filling layer 14, fire-proof thermal insulation layer 15 and

oversheath

16, 11 surface parcel fire-proof insulation layer 12 of core, 12 surface inner sheaths 13 of fire-proof insulation layer, the surface parcel filling layer 14 of inner sheath 13, the surface parcel fire-proof thermal insulation layer 15 of filling layer 14, the surface parcel oversheath 16 of fire-proof thermal insulation layer 15.

Specifically, the inner sheath 13 is made of an aluminum alloy. The advantage is, the whole aluminum alloy material integrated into one piece that adopts of inner sheath 13 can remain the holistic mechanical properties of data cable and bending capability, and the aluminum alloy material is favorable to heat-conduction with higher speed simultaneously, prevents that the long-time gathering of heat from leading to its softening and reduction life on fireproof insulation layer 12 surface.

Specifically, the filling layer 14 is composed of a plurality of inorganic paper strings. The advantage is, filling layer 14 is formed by a plurality of inorganic paper ropes establishment, can fill the gap that produces between the core 11, guarantees the circularity of data cable, and inorganic paper rope is the rock wool material simultaneously, has good fire behaviour, still environmental protection material simultaneously.

Specifically, the outer jacket 16 is a low smoke zero halogen jacket. The advantage is, low smoke and zero halogen sheath is made by thermoplasticity or thermosetting compound, and the smoke volume of these compounds is limited, does not contain halogen, can not produce harmful gas even expose under the high temperature source moreover, even the outer sheath 16 of the outside of data cable suffers the burning, nevertheless fire prevention insulating layer 15 mainly adopts fire prevention mud to dope fire retardant preparation and forms, does not have the flammability, can effectual isolated fire source, avoids other layers of inside to be swept.

The second embodiment:

as shown in fig. 3, as an improvement to the previous embodiment. Specifically, the top surface and the bottom surface of the connector 2 are provided with anti-skid grains, and the cable body 1 is inserted into the through hole 6. The advantage is, connect 2 and constitute by access end and tail end, and the access end is arranged in insertion equipment, and the anti-skidding line of tail end top surface can be so that increase the frictional force of finger contact when extracting joint 2, and cable body 1 alternates in through-hole 6 for the cable body 1 does not receive the power of dragging with the junction that connects 2, thereby is favorable to protecting cable body 1 and does not take place to split with the junction that connects 2.

Specifically, the dustproof assembly 3 includes two side bars 31, a pin shaft 32, a front barrier bar 33 and a top plate 34, the pin shaft 32 is connected to the inner side surface of the side bar 31, the front barrier bar 33 is connected to one end of the side bar 31, and the top plate 34 is connected to the top of the side bar 31. The advantage is, also be provided with the shield in data cable's joint department usually, but one end will connect back in the plug-in equipment, the shield suffers abandonment, if need overhaul equipment the time then need extract data cable's joint, the protection that the joint did not have the shield this moment then gets into foreign matter such as dust very easily, the round hole has been seted up in the both sides of joint 2, round hole internal rotation round pin axle 32 that links to each other, make dust-proof component 3 can be in the upset of 2 both sides of joint, in connecting 2 plug-in equipment, dust-proof component 3 is in the state of turning over, then get off dust-proof component 3 upset when connecting 2 and extracting, blend stop 33 and roof 34 can not get into the dust in the protection joint 2 before two sidebars 31 cooperation, still can avoid connecting 2 to suffer the collision and damage simultaneously.

When using, dustproof subassembly 3 sets up the surface at joint 2, blend stop 33 and roof 34 can protect joint 2 before two side strips 31 cooperate, not only prevent to get into the dust and still can prevent to connect 2 by bumping badly, inner sheath 13 wholly adopts aluminum alloy material integrated into one piece, can remain holistic mechanical properties of data cable and bending capacity, filling layer 14 is worked out by a plurality of inorganic paper ropes and forms, can fill the gap that produces between the core 11, guarantee the roundness of data cable, inorganic paper rope is the rock wool material simultaneously, good fire behavior has, fire prevention insulating layer 15 mainly adopts the preparation of fire prevention mud doping fire retardant to form, do not have the flammability, can effectual isolated fire disaster, avoid other layers of inside to be swept, overall structure has strengthened the fire behavior of data cable.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a data cable subassembly with fire-retardant structure, includes cable body and joint, the one end erection joint of cable body, its characterized in that: the dustproof assembly and the side plate are connected to two sides of the joint, one end of the side plate is fixedly connected with the baffle, and the front surface of the baffle is provided with a through hole in a penetrating manner;

2. The data cable assembly with flame retardant structure of claim 1, wherein: the inner sheath is aluminum alloy material.

3. The data cable assembly with flame retardant structure of claim 1, wherein: the filling layer is composed of a plurality of inorganic paper ropes.

4. The data cable assembly with flame retardant structure of claim 1, wherein: the outer sheath is a low-smoke halogen-free sheath.

5. The data cable assembly with flame retardant features of claim 1, wherein: the top surface and the bottom surface of the joint are provided with anti-slip grains, and the cable body is inserted into the through hole.

6. The data cable assembly with flame retardant features of claim 1, wherein: the dustproof assembly comprises two side strips, a pin shaft, a front barrier strip and a top plate, the pin shaft is connected with the inner side surfaces of the side strips, the front barrier strip is connected with one end of each side strip, and the top plate is connected with the top of each side strip.