CN2407212Y - Flexible metal pipe with inner and outer flame-resistant insulation coating - Google Patents
Flexible metal pipe with inner and outer flame-resistant insulation coating Download PDFInfo
- Publication number
- CN2407212Y CN2407212Y CN 00219002 CN00219002U CN2407212Y CN 2407212 Y CN2407212 Y CN 2407212Y CN 00219002 CN00219002 CN 00219002 CN 00219002 U CN00219002 U CN 00219002U CN 2407212 Y CN2407212 Y CN 2407212Y
- Authority
- CN
- China
- Prior art keywords
- utility
- model
- insulating
- electrical wires
- outside
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model relates to a metal fire retardant flexible pipe with an insulating inner part and an insulating outer part, mainly used as a protective pipe for electrical wires and cables. The utility model is formed by that the inner wall and the outer wall of a common metal flexible pipe 2 are recombined with insulating plastic layers 1, 3. As a result, the utility model has the advantages that the phenomenon that the old common metal flexible pipes abrade the electrical wires at threading time is improved, insulating property and fire retardant performance are enhanced, and threading is more convenient and smooth than before, work efficiency is enhanced, and quality is ensured for the electrical wires.
Description
The utility model relates to the fire-retardant metallic hose of a kind of insulation.Mainly serve as the protective casing of electric wire.
The existing metallic hose that is used for the electric wire protective casing still uses the common metal flexible pipe.Wearing and tearing to electric wire during threading are very big, and insulation, poor fire, have serious hidden danger.
The purpose of this utility model is to provide the metallic hose as the electric wire protective casing of a kind of insulation, good flame resistance.
The purpose of this utility model is achieved in that the fire-retardant metallic hose of a kind of inside and outside insulation, is composited by intermediate metal hose layer and inside and outside ambroin layer.
Compare with the common metal flexible pipe, the utility model is behind the inside and outside wall compound inslation of metallic hose plastic layer, when having improved common metal flexible pipe threading in the past to the wear phenomenon of electric wire, insulating properties and flame retardant property have been improved, and threading is than convenient, smooth and easy greatly in the past, improve work efficiency, guaranteed the electric wire quality.
Fig. 1 is a general structure schematic representation of the present utility model.
Below in conjunction with accompanying drawing the utility model being done one describes in detail:
As Fig. 1, the fire-retardant metallic hose of a kind of inside and outside insulation is at common metal flexible pipe 2 inside and outside wall compound inslation plastic layers 1,3.
Flexible pipe of the present utility model mesosphere 2 is the galvanized steel belt, and thickness is 0.35～0.5mm.Inside and outside layer 3,1 is 105 ℃ of flame-proof polyvinyl chloride PVC isolation layers.
Insulation of the present utility model, good flame resistance:
Insulation resistance: the insulation resistance between plastic layer and the metallic hose is greater than 20M Ω.
Dielectric voltage withstand: the dielectric strength that exchanges that can bear 1500V, 50HZ between plastic layer and the metallic hose, last 1min and do not take place to puncture or scintillation.
Flame retardant property: plastic layer index 〉=28%.
Claims (3)
1, the fire-retardant metallic hose of a kind of inside and outside insulation is characterized in that it is composited by intermediate metal hose layer (2) and inside and outside ambroin layer (3), (1).
2, the fire-retardant metallic hose of a kind of inside and outside insulation according to claim 1 is characterized in that metallic hose (2) is a Galvanized Steel Strip.
3, the fire-retardant metallic hose of a kind of inside and outside insulation according to claim 1 and 2 is characterized in that inside and outside ambroin layer (3), (1) are the polyvinyl chloride insulation layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00219002 CN2407212Y (en) | 2000-01-01 | 2000-01-01 | Flexible metal pipe with inner and outer flame-resistant insulation coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00219002 CN2407212Y (en) | 2000-01-01 | 2000-01-01 | Flexible metal pipe with inner and outer flame-resistant insulation coating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2407212Y true CN2407212Y (en) | 2000-11-22 |
Family
ID=33584256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00219002 Expired - Fee Related CN2407212Y (en) | 2000-01-01 | 2000-01-01 | Flexible metal pipe with inner and outer flame-resistant insulation coating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2407212Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1906439B (en) * | 2004-03-26 | 2010-10-06 | 日立金属株式会社 | Flexible pipe |
-
2000
- 2000-01-01 CN CN 00219002 patent/CN2407212Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1906439B (en) * | 2004-03-26 | 2010-10-06 | 日立金属株式会社 | Flexible pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: JIANGYIN CITY BIDE TECHNOLOGY DEVELOPMENT CO., LT Free format text: FORMER OWNER: JIANGYIN TELECOMMUNICATIONS EQUIPMENT NO.2 FACTORY Effective date: 20030815 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20030815 Address after: Ma Wei village, Yue town, Jiangyin, Jiangsu Patentee after: Jiangyin Bide Technology Co., Ltd. Address before: Jiangyin City, Jiangsu Province Patentee before: No.2 Telecommunication Equipment Factory Jiangyin City |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |