CN207336868U - A kind of resistance to compression fire-retardant cable - Google Patents
A kind of resistance to compression fire-retardant cable Download PDFInfo
- Publication number
- CN207336868U CN207336868U CN201721205914.7U CN201721205914U CN207336868U CN 207336868 U CN207336868 U CN 207336868U CN 201721205914 U CN201721205914 U CN 201721205914U CN 207336868 U CN207336868 U CN 207336868U
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- layer
- elastic
- resistance
- oversheath
- periphery
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Abstract
The utility model discloses a kind of resistance to compression fire-retardant cable, including inner core, elastic layer, shielded layer, flame retardant coating and oversheath, the periphery cladding elastic layer of inner core, the periphery cladding shielded layer of elastic layer, the periphery cladding flame retardant coating of shielded layer, the periphery cladding oversheath of flame retardant coating；Inner core includes the microbeam pipe positioned at optical cable center and some optical fiber in microbeam pipe, the periphery cladding enhancement layer of microbeam pipe；Elastic layer is at least provided with two layers, every layer of elastic layer includes some equally distributed elastic tubes, elastic tube is set along the length direction of optical cable, and the elastic layers of adjacent two layers is all that the gap between elastic tube two elastic tube adjacent with another elastic layer of posterior limiting is corresponding.The anti-pressure ability of the optical cable of the utility model is good, service life length, good flame retardation effect.
Description
Technical field
The utility model belongs to optical fiber cable technical field, more particularly to a kind of resistance to compression fire-retardant cable.
Background technology
With the continuous development of optical-fiber network, use and environmental requirement of the user for cable manufactures are higher and higher, and optical fiber arrives
The growth requirement at family is more and more stronger.Size requirement of the user for optical cable but comes higher, and customer requirement optical cable resistance to compression reaches
Wiring space is saved, optical cable uses place more and more, and easily extruding destroys in an installation, can also tap, come off because of weight
Thing impact etc., makes optical cable be damaged, influences its transmission performance, or even cause signal transmission to interrupt.And produced when burning big
The acid gas smog of amount, directly damages health.Layer-twisted type structure, fiber paste and metal tape conduct are used in general flame-proof cable
Block water and refractory component, although overcoming some drawbacks of ordinary optical cable, also occur because fiber paste is good for using infringement human body
The new problems such as health, pollution environment.
Utility model content
For the utility model mainly solving the technical problems that providing a kind of resistance to compression fire-retardant cable, the anti-pressure ability of optical cable is good,
Service life is grown, good flame retardation effect.
In order to solve the above technical problems, the technical solution that the utility model uses is：A kind of resistance to compression fire-retardant cable, bag
Include and coat the elastic layer, the elasticity including inner core, elastic layer, shielded layer, flame retardant coating and oversheath, the periphery of the inner core
The periphery of layer coats the shielded layer, and the periphery of the shielded layer coats the flame retardant coating, the periphery cladding institute of the flame retardant coating
State oversheath；
The inner core includes the microbeam pipe positioned at optical cable center and some optical fiber in the microbeam pipe, described micro-
The periphery cladding enhancement layer of beam tube；
For the elastic layer at least provided with two layers, every layer of elastic layer includes some equally distributed elastic tubes, described
Elastic tube is set along the length direction of optical cable, and the elastic layer of adjacent two layers is all the elastic tube of posterior limiting and another elastic layer
Adjacent two elastic tube between gap correspond to.
Further say, the outside diameter of the microbeam pipe is 0.8-1.2mm, and the outside diameter of the oversheath is 4.8-5.2mm.
Further say, the shielded layer is formed by the braiding of silver-plated copper alloy silk, and the thickness of the shielded layer is 0.05-
0.10mm。
Further say, the enhancement layer is fiberglass reinforcement layers.
Further say, the elastic tube is butyl rubber resilient pipe, hydrogenates nitrile rubber elastic tube and polyurethane rubber
Elastic tube.
Further say, the oversheath is fluorescence oversheath.
Further say, the flame retardant coating is worked out by refractory glass fiber.
The beneficial effects of the utility model are：
For the elastic layer of the utility model at least provided with two layers, every layer of elastic layer includes some equally distributed elastic tubes,
Elastic tube is set along the length direction of optical cable, and the elastic layer of adjacent two layers is all the elastic tube of posterior limiting and another elastic layer
Adjacent two elastic tube between gap correspond to, when optical cable is under pressure, produce pressure between adjacent elastomeric layers, elastic tube hair
Raw deformation, so that increase the anti-pressure ability of optical cable entirety, it is durable, extend the service life of optical cable, shielded layer is by silver-plated copper
B alloy wire braiding forms, and the electromagnetic energy that cable interior produces is not worked out to external radiation, flame retardant coating by refractory glass fiber easily
Form, not only strengthen the resistance to compression tensile capacity of optical cable, but also there is preferable flame retardant effect.
Brief description of the drawings
Fig. 1 is the structure diagram of the utility model；
Each several part mark is as follows in attached drawing：
Shielded layer 1, flame retardant coating 2, oversheath 3, microbeam pipe 4, optical fiber 5, enhancement layer 6 and elastic tube 7.
Embodiment
The preferred embodiment to the utility model is described in detail below in conjunction with the accompanying drawings, so that the advantages of the utility model
It can be easier to be readily appreciated by one skilled in the art with feature, so as to make the scope of protection of the utility model apparent clear and definite
Define.
Embodiment：A kind of resistance to compression fire-retardant cable, as shown in Figure 1, including inner core, elastic layer, shielded layer 1, flame retardant coating 2 and outer
Sheath 3, the periphery of the inner core coat the elastic layer, and the periphery of the elastic layer coats the shielded layer 1, the shielded layer
1 periphery coats the flame retardant coating 2, and the periphery of the flame retardant coating 2 coats the oversheath 3；
The inner core includes the microbeam pipe 4 positioned at optical cable center and some optical fiber 5 in the microbeam pipe 4, institute
State the periphery cladding enhancement layer 6 of microbeam pipe 4；
For the elastic layer at least provided with two layers, every layer of elastic layer includes some equally distributed elastic tubes 7, described
Elastic tube 7 is set along the length direction of optical cable, and the elastic layer of adjacent two layers is all the elastic tube 7 of posterior limiting and another elasticity
Gap between adjacent two elastic tube 7 of layer corresponds to.
The outside diameter of the microbeam pipe 4 is 0.8-1.2mm, and the outside diameter of the oversheath 3 is 4.8-5.2mm
The shielded layer 1 is formed by the braiding of silver-plated copper alloy silk, and the thickness of the shielded layer 1 is 0.05-0.10mm.
The enhancement layer 6 is fiberglass reinforcement layers.
The elastic tube 7 is butyl rubber resilient pipe, hydrogenates nitrile rubber elastic tube and polyurethane rubber elastic tube.
The oversheath 3 is fluorescence oversheath.
The flame retardant coating 2 is worked out by refractory glass fiber.
The operation principle of the utility model is as follows：The elastic layer of the utility model is at least provided with two layers, every layer of elastic layer bag
Some equally distributed elastic tubes are included, elastic tube is set along the length direction of optical cable, and the elastic layer of adjacent two layers is all one
Gap between the elastic tube of elastic layer two elastic tube adjacent with another elastic layer is corresponding, adjacent when optical cable is under pressure
Pressure is produced between elastic layer, elastic tube deforms upon, so that increase the anti-pressure ability of optical cable entirety, and it is durable, extend light
The service life of cable, shielded layer are formed by the braiding of silver-plated copper alloy silk, the electromagnetic energy that cable interior produces not outside spoke easily
To penetrate, flame retardant coating is worked out by refractory glass fiber, not only strengthens the resistance to compression tensile capacity of optical cable, but also with preferable resistance
Fuel efficiency fruit.
The above description is only the embodiments of the present invention, and it does not limit the scope of the patent of the present invention, every
Equivalent structure transformation made based on the specification and figures of the utility model, it is relevant to be directly or indirectly used in other
Technical field, is equally included in the patent within the scope of the utility model.
Claims (7)
- A kind of 1. resistance to compression fire-retardant cable, it is characterised in that：Including inner core, elastic layer, shielded layer (1), flame retardant coating (2) and oversheath (3), the periphery of the inner core coats the elastic layer, and the periphery of the elastic layer coats the shielded layer, the shielded layer Periphery coats the flame retardant coating, and the periphery of the flame retardant coating coats the oversheath；The inner core includes the microbeam pipe (4) positioned at optical cable center and some optical fiber (5) in the microbeam pipe, described The periphery cladding enhancement layer (6) of microbeam pipe；For the elastic layer at least provided with two layers, every layer of elastic layer includes some equally distributed elastic tubes (7), the bullet Property pipe set along the length direction of optical cable, the elastic layers of adjacent two layers is all the elastic tube of posterior limiting and another elastic layer Gap between adjacent two elastic tube corresponds to.
- A kind of 2. resistance to compression fire-retardant cable according to claim 1, it is characterised in that：The outside diameter of the microbeam pipe is 0.8- 1.2mm, the outside diameter of the oversheath is 4.8-5.2mm.
- A kind of 3. resistance to compression fire-retardant cable according to claim 1, it is characterised in that：The shielded layer is by silver-plated copper alloy silk Braiding forms, and the thickness of the shielded layer is 0.05-0.10mm.
- A kind of 4. resistance to compression fire-retardant cable according to claim 1, it is characterised in that：The enhancement layer is strengthened for glass fibre Layer.
- A kind of 5. resistance to compression fire-retardant cable according to claim 1, it is characterised in that：The elastic tube is butyl rubber resilient Pipe, hydrogenation nitrile rubber elastic tube and polyurethane rubber elastic tube.
- A kind of 6. resistance to compression fire-retardant cable according to claim 1, it is characterised in that：The oversheath is fluorescence oversheath.
- A kind of 7. resistance to compression fire-retardant cable according to claim 1, it is characterised in that：The flame retardant coating is by refractory glass fiber Work out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721205914.7U CN207336868U (en) | 2017-09-20 | 2017-09-20 | A kind of resistance to compression fire-retardant cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721205914.7U CN207336868U (en) | 2017-09-20 | 2017-09-20 | A kind of resistance to compression fire-retardant cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207336868U true CN207336868U (en) | 2018-05-08 |
Family
ID=62369726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721205914.7U Expired - Fee Related CN207336868U (en) | 2017-09-20 | 2017-09-20 | A kind of resistance to compression fire-retardant cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207336868U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107526143A (en) * | 2017-09-20 | 2017-12-29 | 苏州市光益捷通信科技有限公司 | A kind of resistance to compression fire-retardant cable |
-
2017
- 2017-09-20 CN CN201721205914.7U patent/CN207336868U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107526143A (en) * | 2017-09-20 | 2017-12-29 | 苏州市光益捷通信科技有限公司 | A kind of resistance to compression fire-retardant cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180508 Termination date: 20180920 |