CN217847510U

CN217847510U - Low-smoke halogen-free flame-retardant insulating sheath material

Info

Publication number: CN217847510U
Application number: CN202220852343.0U
Authority: CN
Inventors: 何建荣
Original assignee: Jiangsu Hongyun Cable Co ltd
Current assignee: Jiangsu Hongyun Cable Co ltd
Priority date: 2022-04-13
Filing date: 2022-04-13
Publication date: 2022-11-18
Anticipated expiration: 2032-04-13

Abstract

The utility model discloses fire-retardant insulating sheath material of low smoke and zero halogen, including the protective sheath, the protective sheath both ends all are provided with the adapter sleeve, and the adapter sleeve divide into two, and set up flutedly on the adapter sleeve that is in top one end, and it has sealed the pad to glue on another adapter sleeve, and sealed pad joint is flutedly, has all seted up the staggered teeth on two adapter sleeves, and staggered teeth intermeshing connects, and bolt mutual fixed connection is passed through at two adapter sleeve both ends, the utility model has the advantages of it is following: internal line can be protected through using two protective sheaths, increases its barrier propterty, can dismantle it to can be through using the bolt, it is fixed with the cable installation, use two fire-retardant layers simultaneously, increase the fire behaviour of device, prevent that the cable from damaging, through evenly being provided with the resistance to compression piece in resistance to compression layer inside, be convenient for increase the compressive property of device.

Description

Low-smoke halogen-free flame-retardant insulating sheath material

Technical Field

The utility model belongs to the technical field of cable equipment, concretely relates to fire-retardant insulating sheath material of low smoke and zero halogen.

Background

The low-smoke halogen-free flame-retardant insulating sheath material is a protective layer for cables, and can achieve the effect of combustion and insulation.

The existing low-smoke halogen-free flame-retardant insulating sheath material is generally of an integrated structure, the protection effect is relatively poor, the sheath material can not be disassembled and assembled aiming at different environments, the blocking effect is increased, and the safety of an internal circuit is protected.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is that the fire-retardant insulating sheath material of current low smoke and zero halogen generally is the integral type structure, its protective effect is relatively poor, can't carry out the dismouting to different environment, increase its separation effect, protect the safety of inner line, the fire-retardant insulating sheath material of low smoke and zero halogen now provides, can protect the inner line through using two protective sheaths, increase its barrier propterty, can dismantle it, and can be through using the bolt, it is fixed with the cable erection, use two fire-retardant layers simultaneously, increase the fire behavior of device, prevent that the cable from damaging.

The utility model provides a technical scheme that technical problem adopted is: fire-retardant insulating sheath material of low smoke and zero halogen, including the protective sheath, the protective sheath both ends all are provided with the adapter sleeve, the adapter sleeve divide into two, and set up flutedly on the adapter sleeve that is in top one end, another it has sealed the pad to adhere on the adapter sleeve, sealed pad joint is fluted, two the staggered teeth has all been seted up on the adapter sleeve, just the staggered teeth intermeshing connects, two the adapter sleeve both ends pass through bolt mutual fixed connection.

As a preferred technical scheme of the utility model, the inside first fire-retardant layer of having seted up of protective sheath, first fire-retardant in situ portion is provided with the resistance to compression layer, the inside fire-retardant layer of second that is provided with of resistance to compression layer increases flame retardant efficiency through being provided with the fire-retardant layer of first fire-retardant layer and second respectively in the resistance to compression in situ outside.

As the utility model discloses a preferred technical scheme, six flutings have evenly been seted up to the resistance to compression layer inside, just the fluting is inside to have passed the resistance to compression piece, the resistance to compression piece is "M" type structure, is convenient for increase the compressive property of device.

As the utility model discloses a preferred technical scheme, the fire-retardant in situ portion of second is provided with support chassis, support chassis has inside four wires of having passed, be provided with the insulating layer between support chassis and the wire, be convenient for protect the wire, increase compressive property and insulating properties.

The utility model has the advantages of it is following: internal line can be protected through using two protective sheaths, increases its barrier propterty, can dismantle it to can be through using the bolt, it is fixed with the cable installation, use two fire-retardant layers simultaneously, increase the fire behaviour of device, prevent that the cable from damaging, through evenly being provided with the resistance to compression piece in resistance to compression layer inside, be convenient for increase the compressive property of device.

Drawings

Fig. 1 is a schematic side sectional view of a low smoke zero halogen flame retardant insulating sheath material according to a preferred embodiment of the present invention;

fig. 2 is a schematic perspective view of a low-smoke halogen-free flame-retardant insulating sheath material according to a preferred embodiment of the present invention;

fig. 3 is a schematic diagram of a clamping structure of the groove and the sealing gasket of the low-smoke halogen-free flame-retardant insulating sheath material according to a preferred embodiment of the present invention.

Description of reference numerals: 1. a protective sleeve; 2. connecting sleeves; 3. a groove; 4. a gasket; 5. Staggering the teeth; 6. a first flame retardant layer; 7. a pressure resistant layer; 8. anti-briquetting; 9. a second flame retardant layer; 10. a support framework; 11. an insulating layer; 12. and (4) conducting wires.

Detailed Description

The technical solution of the present invention will be clearly and completely described with reference to the accompanying drawings. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Moreover, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The present invention will be further explained with reference to the accompanying drawings.

Please combine to refer to fig. 1-3, the utility model discloses fire-retardant insulating sheath material of low smoke and zero halogen, including protective sheath 1, protective sheath 1 both ends all are provided with adapter sleeve 2, adapter sleeve 2 divide into two, and set up recess 3 on the adapter sleeve 2 that is in top one end, the adhesion has sealed 4 on another adapter sleeve 2, sealed 4 joints of sealing pad have recess 3, through sealed 4 and recess 3 mutual joint, increase adapter sleeve 2's sealing performance, two adapter sleeve 2 have all been seted up staggered teeth 5, and staggered teeth 5 intermeshing connects, be convenient for two adapter sleeve 2 intermeshing, bolt reciprocal fixed connection is passed through at two adapter sleeve 2 both ends, be convenient for adapter sleeve 2's reciprocal anchorage, be convenient for the dismouting of adapter sleeve 2 simultaneously.

Wherein, first fire-retardant layer 6 has been seted up to protective sheath 1 inside, first fire-retardant layer 6 inside is provided with resistance to compression layer 7, resistance to compression layer 7 is inside evenly to be passed has six anti-pressing blocks 8, six anti-pressing blocks 8 are "M" type structure, resistance to compression piece 8 through using "M" type structure, the compressive property of the device of being convenient for increase, resistance to compression layer 7 inside is provided with the fire-retardant layer 9 of second, the fire-retardant layer 9 inside of second is provided with insulating layer 11, insulating layer 11 is inside to be passed there is supporting framework 10, protection internal conductor 12, increase its compressive property, supporting framework 10 divide into four flutings, and four flutings are inside to be passed four wires 12 respectively, be convenient for increase the insulating properties of device.

It is specific, through with two 1 joints of protective sheath on first fire-retardant layer 6 surfaces, with sealed 4 and the mutual joint of recess 3 on two protective sheath 1, then with the mutual joint of staggered teeth 5 on two protective sheath 1, the fixed of the protective sheath 1 of being convenient for, pass protective sheath 1 through the bolt, with two 1 fixed connection of protective sheath, can fix the device installation on the exterior structure simultaneously, then through being provided with first fire-retardant layer 6 and the fire-retardant layer 9 of second in the device is inside, increase the fire behaviour of device, through inside compressive layer 7 and the support chassis 10 of being equipped with of device, increase the compressive property of device, prevent to extrude the damage device, at last through being provided with insulating layer 11 between support chassis 10 and wire 12, prevent the electric leakage.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Other parts not described in detail in the present invention belong to the prior art, and are not described herein again.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications or substitutions do not depart from the scope of the invention in its corresponding aspects.

Claims

1. Fire-retardant insulating sheath material of low smoke and zero halogen, its characterized in that, including protective sheath (1), protective sheath (1) both ends all are provided with adapter sleeve (2), adapter sleeve (2) divide into two, and offer recess (3) on adapter sleeve (2) that is in top one end, another the adhesion has sealed pad (4) on adapter sleeve (2), sealed pad (4) joint has recess (3), two staggered teeth (5) have all been seted up on adapter sleeve (2), just staggered teeth (5) intermeshing connects, two adapter sleeve (2) both ends are through bolt mutual fixed connection.

2. The low-smoke halogen-free flame-retardant insulating sheath material according to claim 1, wherein a first flame-retardant layer (6) is disposed inside the protective sheath (1), a pressure-resistant layer (7) is disposed inside the first flame-retardant layer (6), and a second flame-retardant layer (9) is disposed inside the pressure-resistant layer (7).

3. The low-smoke zero-halogen flame-retardant insulating sheath material as claimed in claim 2, wherein six slots are uniformly formed in the compression-resistant layer (7), compression-resistant blocks (8) penetrate through the slots, and the compression-resistant blocks (8) are of an M-shaped structure.

4. The low-smoke zero-halogen flame-retardant insulating sheath material as claimed in claim 2, wherein a supporting framework (10) is arranged inside the second flame-retardant layer (9), four wires (12) are arranged inside the supporting framework (10) in a penetrating manner, and an insulating layer (11) is arranged between the supporting framework (10) and the wires (12).