CN206249927U - A kind of waterproofing type low-smoke halogen-free prefabricated branch cable - Google Patents
A kind of waterproofing type low-smoke halogen-free prefabricated branch cable Download PDFInfo
- Publication number
- CN206249927U CN206249927U CN201621432522.XU CN201621432522U CN206249927U CN 206249927 U CN206249927 U CN 206249927U CN 201621432522 U CN201621432522 U CN 201621432522U CN 206249927 U CN206249927 U CN 206249927U
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- China
- Prior art keywords
- cable
- branch
- branch cable
- main cable
- smoke halogen
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Abstract
The utility model is related to a kind of waterproofing type low-smoke halogen-free prefabricated branch cable, including main cable, and branch cable is connected with main cable, and main cable and branch cable include copper conductor, insulating barrier and restrictive coating respectively from the inside to the outside；At the position being connected with branch cable on main cable, the insulating barrier and restrictive coating of main cable are provided with stripping section, peel off and be provided with C font metal fixtures on copper conductor exposed at section, with branch cable be connected main cable by C font metal fixtures, and the outside of C font metal fixtures is provided with insulation processing layer；The outside cladding that main cable is connected at position with branch cable is provided with branch's union body, stretch out respectively at the two ends and the joining position of restrictive coating of branch's union body and be provided with the overlap that blocks water, be arranged with irradiation crosslinking type heat-shrink tube on the outer surface of the overlap that blocks water respectively.Its low cigarette, Halogen, nontoxic, fire-retardant, environmentally friendly, block-water performance are good, lift architectural electricity circuit property safe and reliable to operation.
Description
Technical field
The utility model belongs to field of cable technology, be related to a kind of low cigarette of the waterproofing type for being particularly suited for skyscraper without
Halogen prefabricated branch cable.
Background technology
At present, prefabricated branch cable has incomparable airtight such as traditional T-shaped electrical branch, insulation bus slot because of it
Property, insulating properties, can factory manufactures in advance, space hold is few, it is easy for installation, non-maintaining the advantages of, and be widely used in high level and build
Build field.In recent years, as building field is to fire-fighting, the continuous improvement of environmental protection grade, the performance of prefabricated branch cable is also from combustion
Inferior position that is poisonous, smoldering is burnt, progressively to low cigarette, Halogen, nontoxic, fire-retardant superiority development application, therefore low-smoke halogen-free prefabricated point
Branch cable has obtained wilderness demand.
The low-smoke halogen-free prefabricated branch cable of existing species, although the spy such as low cigarette, Halogen, the five poisonous creatures: scorpion, viper, centipede, house lizard, toad, fire-retardant during with burning
Point, but by the design defect of the concrete structures such as branch's union body, cause branch's union body of low-smoke halogen-free prefabricated branch cable to exist
During mold injection molding, the low-smoke halogen-free polyolefin material of hot melting in injection mold and the low cigarette of cold conditions of cable jacket without
The basic adhesion of halogen material so that exist compared with big gap between branch's connected body and cable body, cause cable actual motion to make
In, exist branch's union body easily intake cause short circuit, burn, badly influence the electrical operation security problems of building.
For this reason, it may be necessary to a kind of waterproofing type low-smoke halogen-free prefabricated branch cable, solves the above mentioned problem in the presence of prior art.
Utility model content
The utility model provides a kind of waterproofing type low-smoke halogen-free prefabricated branch cable, dividing in the presence of solution prior art
Exist compared with big gap between branch connected body and cable body, cause cable actual motion when using, there is branch's union body easily
Water inlet causes short circuit, burns, and badly influences the electrical operation security problems of building.
To achieve the above object, the utility model provides a kind of waterproofing type low-smoke halogen-free prefabricated branch cable, including trunk
Cable, is connected with branch cable on main cable, main cable and branch cable include copper conductor, absolutely respectively from the inside to the outside
Edge layer and restrictive coating；
At the position being connected with branch cable on main cable, the insulating barrier and restrictive coating of main cable are provided with stripping
From section, peel off and C font metal fixtures are provided with copper conductor exposed at section, C fonts metal fixture is by main cable and branch line
Cable is connected, and the outside of C font metal fixtures is provided with insulation processing layer；
The outside cladding that main cable is connected at position with branch cable is provided with branch's union body, branch's union body
Stretch out respectively at two ends and the joining position of restrictive coating and be provided with the overlap that blocks water, divide on the outer surface of the overlap that blocks water
Irradiation crosslinking type heat-shrink tube is not arranged with, and the resistance that PUR is formed after cooling is provided with the inwall of irradiation crosslinking type heat-shrink tube
Water layer.
In above scheme preferably, the overlap that blocks water is made up of the sizing material overflow area of injection mold.
It may also be preferred that main cable and branch cable are disposed as cylinder.
It may also be preferred that branch cable is provided with bending structure at the position being connected with main cable.
It may also be preferred that part of the branch cable after its bending structure is parallel with main cable.
It may also be preferred that being provided with least two C font clamp structures on C font metal fixtures.
It may also be preferred that the external diameter and main cable and branch cable of the major diameter fit main cable of branch's union body
Be connected the stepped increased structure of external diameter of built-up section.
It may also be preferred that the Outboard Sections of irradiation crosslinking type heat-shrink tube are respectively sleeved at the outside of restrictive coating, irradiation
The inboard portion of cross-linking type heat-shrink tube is respectively sleeved at the outside of the overlap that blocks water.
It may also be preferred that the inwall of irradiation crosslinking type heat-shrink tube sets at block water overlap and restrictive coating boundary position
It is equipped with internal diameter change step.
Compared with prior art, the utility model has advantages below：
Waterproofing type low-smoke halogen-free prefabricated branch cable of the present utility model, can solve the problem that the branch in the presence of prior art
Exist compared with big gap between connected body and cable body, cause cable actual motion and easily enter when using, there is branch's union body
Water causes short circuit, burns, and badly influences the electrical operation security problems of building.Itself and existing common prefabricated branch cable
Compare, with low cigarette, Halogen, it is nontoxic, fire-retardant, environmentally friendly the characteristics of, while having excellent block-water performance, greatly improve and build
The safety in operation and reliability of electric wiring are built, it is applied to low cigarette, Halogen, fire-retardant, the requirement that blocks water skyscraper,
Wide market, is suitable to progressively extensive use.
Brief description of the drawings
The utility model is described in further detail with implementation method below in conjunction with the accompanying drawings：
Fig. 1 is the structural representation of waterproofing type low-smoke halogen-free prefabricated branch cable of the present utility model.
In figure, 1 is main cable, and 2 is branch cable, and 3 is copper conductor, 4 is insulating barrier, and 5 is restrictive coating, and 6 is C fonts gold
Category fixture, 7 is branch's union body, and 8 is the overlap that blocks water, and 9 is irradiation crosslinking type heat-shrink tube.
Specific embodiment
In order to more fully understand the utility model, the utility model is explained in detail with reference to specific embodiment.
It is clear that it is new without departing from this practicality of appended claims with retrofiting that different modifications can be carried out to the utility model
Type broader spirit and scope.Therefore, following examples have the exemplary implication without limitation.
Embodiment：
A kind of waterproofing type low-smoke halogen-free prefabricated branch cable, as shown in figure 1, including main cable 1, connecting on main cable 1
Connect and be provided with branch cable 2, main cable 1 and branch cable 2 include copper conductor 3, insulating barrier 4 and restrictive coating respectively from the inside to the outside
5；
At the position being connected with branch cable 2 on main cable 1, the insulating barrier 4 and restrictive coating 5 of main cable 1 are all provided with
Stripping section is equipped with, is peeled off and C fonts metal fixture 6 is provided with copper conductor 3 exposed at section, C fonts metal fixture 6 is electric by trunk
Cable 1 is connected with branch cable 2, and the outside of C fonts metal fixture 6 is provided with insulation processing layer；
The outside cladding that main cable 1 is connected at position with branch cable 2 is provided with branch's union body 7, and branch is coupled
Stretch out respectively at the two ends and the joining position of restrictive coating 5 of body 7 and be provided with the overlap 8 that blocks water, outside the overlap 8 that blocks water
Irradiation crosslinking type heat-shrink tube 9 is arranged with surface respectively, PUR is provided with the inwall of irradiation crosslinking type heat-shrink tube 9 through cooling
The water blocking layer for being formed afterwards.
It can be seen that, above-mentioned waterproofing type low-smoke halogen-free prefabricated branch cable, main cable 1, the surface of copper conductor 3 of branch cable 2
Closely cladding one layer insulating 4, insulating barrier 4 outer cladding, one layer of restrictive coating 5, wherein insulating barrier 4 can be cross-linking radiation polyene
Hydrocarbon insulating barrier, restrictive coating 5 can be low-smoke and halogen-free flame retardant polyolefin jacket layer.Main cable 1 is coupled with the core of branch cable 2
Place, the insulating barrier 4 and restrictive coating 5 of cable peel off certain length, and exposed copper conductor 3 uses liquid using c-type metal fixture 6
Press is compressed and is coupled, and sets insulation processing layer again.After main cable 1, branch cable 2 are coupled well, injection machine is set by low cigarette
The injection molding material of halogen-free anti-flaming polyolefin restrictive coating is molded into branch's union body 7 with mold cavity, and branch's union body 7 uses mould type
Chamber increased the sizing material overflow area of 2~3cm of 3~6cm of length and thickness at its two ends, so as in the two ends of branch's union body 7 and electricity
The junction of cable restrictive coating 5, the outside 3~6cm of Longitudinal extending of injection molding material of the low-smoke and halogen-free flame retardant polyolefin jacket layer of hot melting
Composition blocks water overlap 8.Block water the outer surface of overlap 8, is set with the irradiation crosslinking type heat-shrink tube 9 of 8~15cm of length, passes through
Hot baking mode promotes heat-shrink tube to shrink, and the surface of the restrictive coating 5 of block water overlap 8 and cable is closely attached to completely.Irradiation is handed over
Uniform, the fine and close water blocking layer of a layer thickness is constituted after the PUR cooling that the inwall of connection type heat-shrink tube 9 is scribbled, water has been blocked completely
Point, the intrusion of moisture, so as to solve gap at original branch's union body it is larger caused by enter water problems, make of the present utility model
Waterproofing type low-smoke halogen-free prefabricated branch cable has excellent block-water performance.
Preferably, the overlap 8 that blocks water is made up of the sizing material overflow area of injection mold.
Preferably, main cable 1 and branch cable 2 are disposed as cylinder.
Preferably, branch cable 2 is provided with bending structure at the position being connected with main cable 1.
Preferably, part of the branch cable 2 after its bending structure is parallel with main cable 1.
Preferably, at least two C font clamp structures are provided with C fonts metal fixture 6.
Preferably, the external diameter and main cable 1 of the major diameter fit main cable 1 of branch's union body 7 are connected with branch cable 2
Connect the stepped increased structure of external diameter of built-up section.
Preferably, the Outboard Sections of irradiation crosslinking type heat-shrink tube 9 are respectively sleeved at the outside of restrictive coating 5, irradiation crosslinking type
The inboard portion of heat-shrink tube 9 is respectively sleeved at the outside of the overlap 8 that blocks water.
Preferably, the inwall of irradiation crosslinking type heat-shrink tube 9 is provided with block water overlap 8 and the boundary position of restrictive coating 5
Internal diameter changes step.
Waterproofing type low-smoke halogen-free prefabricated branch cable of the present utility model, can solve the problem that the branch in the presence of prior art
Exist compared with big gap between connected body and cable body, cause cable actual motion and easily enter when using, there is branch's union body
Water causes short circuit, burns, and badly influences the electrical operation security problems of building.Itself and existing common prefabricated branch cable
Compare, with low cigarette, Halogen, it is nontoxic, fire-retardant, environmentally friendly the characteristics of, while having excellent block-water performance, greatly improve and build
The safety in operation and reliability of electric wiring are built, it is applied to low cigarette, Halogen, fire-retardant, the requirement that blocks water skyscraper,
Wide market, is suitable to progressively extensive use.
Although being below described to various preferred embodiments of the present utility model and feature, do not departing from
On the premise of the purpose of this utility model and objective, those of ordinary skill in the art can make many changes to the utility model
Change, supplement, change and delete.It is not to this practicality above in association with the detailed description that specific embodiment of the utility model is done
New limitation.It is every according to technical spirit of the present utility model to any simple modification made for any of the above embodiments, still belong to
In the scope of technical solutions of the utility model.
Claims (9)
1. a kind of waterproofing type low-smoke halogen-free prefabricated branch cable, including main cable (1), it is characterised in that：On main cable (1)
Branch cable (2) is connected with, main cable (1) and branch cable (2) include copper conductor (3), insulation respectively from the inside to the outside
Layer (4) and restrictive coating (5)；
At the position being connected with branch cable (2) on main cable (1), the insulating barrier (4) and restrictive coating of main cable (1)
(5) stripping section is provided with, is peeled off and be provided with C fonts metal fixture (6), C font metal clips on copper conductor (3) exposed at section
With branch cable (2) be connected main cable (1) by tool (6), and the outside of C fonts metal fixture (6) is provided with insulation processing layer；
The outside cladding that main cable (1) is connected at position with branch cable (2) is provided with branch's union body (7), branch's connection
Stretch out respectively at the two ends and restrictive coating (5) joining position of knot body (7) and be provided with the overlap that blocks water (8), block water and take
Connect and be arranged with respectively on the outer surface of area (8) irradiation crosslinking type heat-shrink tube (9), set on the inwall of irradiation crosslinking type heat-shrink tube (9)
It is equipped with the water blocking layer that PUR is formed after cooling.
2. waterproofing type low-smoke halogen-free prefabricated branch cable as claimed in claim 1, it is characterised in that：Block water overlap (8) by
The sizing material overflow area of injection mold is constituted.
3. waterproofing type low-smoke halogen-free prefabricated branch cable as claimed in claim 1 or 2, it is characterised in that：Main cable (1) and
Branch cable (2) is disposed as cylinder.
4. waterproofing type low-smoke halogen-free prefabricated branch cable as claimed in claim 3, it is characterised in that：Branch cable (2) with
Bending structure is provided with the position that main cable (1) is connected.
5. waterproofing type low-smoke halogen-free prefabricated branch cable as claimed in claim 4, it is characterised in that：Branch cable (2) is at it
Part after bending structure is parallel with main cable (1).
6. waterproofing type low-smoke halogen-free prefabricated branch cable as claimed in claim 5, it is characterised in that：C fonts metal fixture (6)
On be provided with least two C font clamp structures.
7. waterproofing type low-smoke halogen-free prefabricated branch cable as claimed in claim 6, it is characterised in that：Branch's union body (7)
The external diameter and main cable (1) of major diameter fit main cable (1) be connected with branch cable (2) built-up section external diameter be in ladder
The increased structure of shape.
8. waterproofing type low-smoke halogen-free prefabricated branch cable as claimed in claim 7, it is characterised in that：Irradiation crosslinking type heat-shrink tube
(9) Outboard Sections are respectively sleeved at the outside of restrictive coating (5), and the inboard portion of irradiation crosslinking type heat-shrink tube (9) is arranged respectively
In the outside of the overlap that blocks water (8).
9. waterproofing type low-smoke halogen-free prefabricated branch cable as claimed in claim 8, it is characterised in that：Irradiation crosslinking type heat-shrink tube
(9) inwall is provided with internal diameter change step at the overlap that blocks water (8) and restrictive coating (5) boundary position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621432522.XU CN206249927U (en) | 2016-12-23 | 2016-12-23 | A kind of waterproofing type low-smoke halogen-free prefabricated branch cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621432522.XU CN206249927U (en) | 2016-12-23 | 2016-12-23 | A kind of waterproofing type low-smoke halogen-free prefabricated branch cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206249927U true CN206249927U (en) | 2017-06-13 |
Family
ID=59008074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621432522.XU Expired - Fee Related CN206249927U (en) | 2016-12-23 | 2016-12-23 | A kind of waterproofing type low-smoke halogen-free prefabricated branch cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206249927U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109616847A (en) * | 2018-12-14 | 2019-04-12 | 中复碳芯电缆科技有限公司 | A kind of manufacturing method of lightning-protective cable connector |
| CN110364311A (en) * | 2019-05-28 | 2019-10-22 | 白银有色长通电线电缆有限责任公司 | A kind of pre-branched cable connector end blocks water operating method |
-
2016
- 2016-12-23 CN CN201621432522.XU patent/CN206249927U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109616847A (en) * | 2018-12-14 | 2019-04-12 | 中复碳芯电缆科技有限公司 | A kind of manufacturing method of lightning-protective cable connector |
| CN110364311A (en) * | 2019-05-28 | 2019-10-22 | 白银有色长通电线电缆有限责任公司 | A kind of pre-branched cable connector end blocks water operating method |
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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 |
Granted publication date: 20170613 Termination date: 20211223 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |