CN202404950U - Mineral-insulating fireproof branching cable - Google Patents
Mineral-insulating fireproof branching cable Download PDFInfo
- Publication number
- CN202404950U CN202404950U CN2011205308716U CN201120530871U CN202404950U CN 202404950 U CN202404950 U CN 202404950U CN 2011205308716 U CN2011205308716 U CN 2011205308716U CN 201120530871 U CN201120530871 U CN 201120530871U CN 202404950 U CN202404950 U CN 202404950U
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- connector
- cable
- branch
- fire
- mineral insulation
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Abstract
The utility model discloses a mineral-insulating fireproof branching cable which comprises a cable branch connector and a body cable, wherein the cable branch connector comprises a connector upper cover and a connector lower cover, the connector upper cover is provided with two main line semi-holes and a branch line semi-hole, and the connector lower cover is provided with matched main line semi-holes and a matched branch line semi-hole on the positions corresponding to those of the connector upper cover; and the body cable comprises a single-core copper bar conductor, a magnesium oxide mineral insulation layer and a metallic copper jacket, and the body cable is connected with the single-core copper bar conductor in the cable branch connector by a C-shaped clamp. The mineral-insulating fireproof branching cable disclosed by the utility model is simple in structure, convenient for installation and waterproof and fireproof.
Description
Technical field
The utility model relates to a kind of branch cable, particularly relates to the fire-resistant branch cable of a kind of mineral insulation.
Background technology
In the prior art, domestic mineral insulated cable generally adopts the feeder pillar mode if branch's requirement will be arranged.Backbone advances feeder pillar, and branch's core is drawn by feeder pillar, and this kind mode need be operated at building-site, installs loaded down with trivial details and unreliable.Feeder pillar itself do not prevent fires, non-watertight, fire takes place to guarantee that mineral insulated cable continues to keep the requirement of energising.On the other hand, because the branch junction of the fire-resistant branch cable of plastic insulation does not have the protection of metal tube or mica insulation protective layer usually, its fire resistance can only reach 750 degree 90 minutes, and fire stability is relatively poor, can't satisfy spray and waterproof requirement.In a word, because the fire prevention own and the water proofing property of the branch junction of the fire-resistant branch cable of mineral insulation are relatively poor, feeder pillar also can't resolve this problem simultaneously, and therefore, this problem needs to be resolved hurrily always.
The utility model content
The technical problem that the utility model will solve is in order to overcome above-mentioned defective of the prior art, a kind of simple in structure, easy for installation and fire-resistant branch cable of mineral insulation fire-proof and water-proof to be provided.
The utility model solves above-mentioned technical problem through following technical proposals:
The utility model provides a kind of mineral insulation fire-resistant branch cable, and its characteristics are that the fire-resistant branch cable of said mineral insulation comprises:
One cable branch connector; Said cable branch connector comprises a connector loam cake and a connector lower cover; Be covered with two backbones, half hole and a branch line half hole on the said connector, said connector lower cover is provided with two backbone that is complementary half holes and the branch line that is complementary half hole corresponding to the position of said connector loam cake;
One body cable, said body cable comprise a single core copper rod conductor, a magnesia mineral insulation layer and a metallic copper sheath;
The single core copper rod conductor of said body cable in said cable branch connector is connected through C type folder.
Preferably, said connector loam cake comprises a waterproof rib, and the connector lower cover comprises the capillary groove that cooperates with this waterproof rib.
Preferably, said connector lower cover comprises a waterproof rib, and the connector loam cake comprises the capillary groove that cooperates with this waterproof rib.
Preferably, said connector loam cake and said connector lower cover are through being threaded or buckle is connected.
Preferably, the complete hole shape that is combined into of backbone half hole of said connector loam cake and said connector lower cover or branch line half hole is for circular.
Preferably, said C type folder is coated with a mineral insulation layer.
Preferably, said mineral insulation layer also is coated with a silica gel protected layer outward.
Preferably, the outer surface of said cable branch connector also has a Halogen injection molded layers.
The positive progressive effect of the utility model is:
The fire-resistant branch cable of the mineral insulation of the utility model is easy for installation, simple in structure.Through in connector loam cake and connector lower cover, using waterproof rib and capillary groove, the fire-resistant branch cable of mineral insulation has had water resistance in addition.The connector that uses in the fire-resistant branch cable of mineral insulation also has fire protecting performance, and when connecting the body cable, the C type folder in the fire-resistant branch cable of the mineral insulation of the utility model is very convenient.Outer mineral insulation layer that coats of said C type folder and silica gel protected layer can prevent to leak electricity between C type folder and the connector shell, and said mineral insulation layer has fire-proof function.In addition, the outer surface of said cable branch connector has greatly improved whole water resistance through a Halogen injection molded layers is set.
Description of drawings
Fig. 1 is the cross sectional representation of the body cable of the fire-resistant branch cable of existing mineral insulation.
Fig. 2 is the connector lower cover structural representation of the utility model.
Fig. 3 is the connector superstructure sketch map of the utility model.
Fig. 4 is the overall schematic after the connector upper and lower cover of the utility model makes up.
Fig. 5 is the internal structure sketch map of the fire-resistant branch cable of mineral insulation of the utility model.
Embodiment
Provide the utility model preferred embodiment below in conjunction with accompanying drawing, to specify the technical scheme of the utility model.
Fig. 1 is the cross sectional representation of existing body cable 40.Said body cable 40 comprises a single core copper rod conductor 401, a magnesia mineral insulation layer 402 and a metallic copper sheath 403.
Fig. 2-3 is respectively the connector lower cover and the discrete figure of connector loam cake of the utility model.Said connector lower cover 10 comprises two backbones, half hole 101 and a branch line half hole 104, and said connector loam cake 20 comprises two backbones that are complementary, half hole 201 and the branch line that is complementary half hole 204 corresponding to the position of said connector lower cover 10.Said connector loam cake 20 comprises a waterproof rib 202, and connector lower cover 10 comprises the capillary groove 102 that cooperates with this waterproof rib.In other embodiments, can use said connector lower cover 10 to comprise a waterproof rib 102, connector loam cake 20 comprises the capillary groove 202 that cooperates with this waterproof rib.In the present embodiment, said connector loam cake 20 comprises that six threaded connection places 203, said connector lower cover 10 also comprise six threaded connection places 103, and said connector loam cake 20 and said connector lower cover 10 are through being threaded.In other embodiments, said connector loam cake 20 and said connector lower cover 10 are connected through buckle.
Fig. 4 is the overall diagram after the connector upper and lower cover of the utility model makes up.Said connector loam cake 20 is circle with backbone half hole of said connector lower cover 10 or the complete hole shape that branch line half hole is combined into; And can guarantee that connector and backbone effectively are connected with metallic copper sheath in the branch line; Thereby satisfy the resistance requirement of low-voltage cable earth connection, shown in hole 301.The material of said cable branch connector is a fire-resistant metal, and therefore said cable branch connector can reach the fire prevention purpose.
The installation process of the fire-resistant branch cable of mineral insulation of the utility model is following,
During use; As shown in Figure 5; To be placed on said backbone half hole 101 of said connector lower cover 10 as the body cable 40 of backbone; The single core copper rod conductor that then part of body cable 40 is stripped to only surplus single core copper rod conductor 401 and the part through said C type folder 50 and said branch line 41 is connected, and said branch line 41 is drawn through said branch line half hole 104 of said connector lower cover 10.Afterwards, the said waterproof rib 202 of said connector loam cake 20 is aimed at back and tight closure with capillary groove 102 parts of said connector lower cover 10.Then, 10 6 threaded connection places 103 in 20 6 threaded connection places 203 of said connector loam cake and said connector lower cover are connected with bolt through six positioning screws.At last, on the outer surface of said cable branch connector, cover a Halogen injection molded layers 6.Among Fig. 5, said C type folder is coated with a mineral insulation layer 501, and said mineral insulation layer also is coated with a silica gel protected layer 502 outward.Mineral insulation layer and silica gel protected layer can prevent to leak electricity between C type folder and the connector shell effectively.
Though more than described the embodiment of the utility model, it will be understood by those of skill in the art that these only illustrate, the protection range of the utility model is limited appended claims.Those skilled in the art can make numerous variations or modification to these execution modes under the prerequisite of principle that does not deviate from the utility model and essence, but these changes and modification all fall into the protection range of the utility model.
Claims (8)
1. the fire-resistant branch cable of mineral insulation is characterized in that, the fire-resistant branch cable of said mineral insulation comprises:
One cable branch connector; Said cable branch connector comprises a connector loam cake and a connector lower cover; Be covered with two backbones, half hole and a branch line half hole on the said connector, said connector lower cover is provided with two backbone that is complementary half holes and the branch line that is complementary half hole corresponding to the position of said connector loam cake;
One body cable, said body cable comprise a single core copper rod conductor, a magnesia mineral insulation layer and a metallic copper sheath;
The single core copper rod conductor of said body cable in said cable branch connector is connected through C type folder.
2. the fire-resistant branch cable of mineral insulation as claimed in claim 1 is characterized in that said connector loam cake comprises a waterproof rib, and the connector lower cover comprises the capillary groove that cooperates with this waterproof rib.
3. the fire-resistant branch cable of mineral insulation as claimed in claim 1 is characterized in that said connector lower cover comprises a waterproof rib, and the connector loam cake comprises the capillary groove that cooperates with this waterproof rib.
4. like claim 2 or the fire-resistant branch cable of 3 described mineral insulations, it is characterized in that said connector loam cake and said connector lower cover are through being threaded or buckle is connected.
5. the fire-resistant branch cable of mineral insulation as claimed in claim 4 is characterized in that, the complete hole shape that backbone half hole of said connector loam cake and said connector lower cover or branch line half hole are combined into is for circular.
6. the fire-resistant branch cable of mineral insulation as claimed in claim 5 is characterized in that, said C type folder is coated with a mineral insulation layer.
7. the fire-resistant branch cable of mineral insulation as claimed in claim 6 is characterized in that, said mineral insulation layer also is coated with a silica gel protected layer outward.
8. the fire-resistant branch cable of mineral insulation as claimed in claim 7 is characterized in that the outer surface of said cable branch connector also has a Halogen injection molded layers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205308716U CN202404950U (en) | 2011-12-16 | 2011-12-16 | Mineral-insulating fireproof branching cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205308716U CN202404950U (en) | 2011-12-16 | 2011-12-16 | Mineral-insulating fireproof branching cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202404950U true CN202404950U (en) | 2012-08-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205308716U Expired - Lifetime CN202404950U (en) | 2011-12-16 | 2011-12-16 | Mineral-insulating fireproof branching cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202404950U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103165232A (en) * | 2011-12-16 | 2013-06-19 | 上海市高桥电缆厂有限公司 | Mineral insulating fire-resistant branch cable |
| CN106098247A (en) * | 2016-06-20 | 2016-11-09 | 安徽上缆防火科技股份有限公司 | A kind of low-voltage branch cable production method |
-
2011
- 2011-12-16 CN CN2011205308716U patent/CN202404950U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103165232A (en) * | 2011-12-16 | 2013-06-19 | 上海市高桥电缆厂有限公司 | Mineral insulating fire-resistant branch cable |
| CN106098247A (en) * | 2016-06-20 | 2016-11-09 | 安徽上缆防火科技股份有限公司 | A kind of low-voltage branch cable production method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191231 Address after: 233000 Anhui province Bengbu City Longxing Road No. 555 Patentee after: Gaoqiao Fire Protection Technology Co., Ltd Address before: 201200, No. 528 Yang Gao Bei Road, Gaoqiao Town, Shanghai, Pudong New Area Patentee before: Shanghai Gaoqiao Cable Factory Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120829 |