CN205680457U - A kind of flexible mineral matter insulation pre-branch fireproof cable - Google Patents
A kind of flexible mineral matter insulation pre-branch fireproof cable Download PDFInfo
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- CN205680457U CN205680457U CN201620536848.0U CN201620536848U CN205680457U CN 205680457 U CN205680457 U CN 205680457U CN 201620536848 U CN201620536848 U CN 201620536848U CN 205680457 U CN205680457 U CN 205680457U
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- branch
- cable
- insulation
- housing
- branch line
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Abstract
The utility model discloses a kind of flexible mineral matter insulation pre-branch fireproof cable, including trunk cable, described trunk cable is connected by branch's union joint branch line cable；Described branch union joint includes branch's housing；Described branch housing includes aluminium alloy upper casing and aluminium alloy lower casing；One end of described branch housing is provided with the entrance corresponding with described trunk cable, and the other end of this branch's housing is provided with the outlet corresponding with described branch line cable；It is provided with aluminum set of connection devices in described branch housing；Described aluminum set of connection devices includes that trunk cable is fixed on U-shaped copper die casting by copper pressing plate, described copper pressing plate, and described U-shaped copper die casting is additionally provided with the breakout cable hole corresponding with described branch line cable；It is additionally provided with the insulative pricking device corresponding with described trunk cable and branch line cable on described U-shaped copper die casting；Being provided with insulating cement glue filling opening on described branch housing, described insulating cement glue filling opening is provided with thread seal mouth.
Description
Technical field
This utility model relates to a kind of flexible mineral matter insulation pre-branch fireproof cable.
Background technology
In prior art, the joint of domestic mineral insulation branch cable typically uses the method manufacture of molding, is i.e. by dry
Line cable and branch line cable cold connect, and then by manufacturing well, not making the branch joint insulated puts into injection mold, and use is moulded
Material injector molding insulation.The branch joint insulation so manufactured, the insulation thickness of molding is big, so that radiating condition is severe, separately
Owing to injection insulation thickness is uneven, cause outward appearance coarse；Further, the aluminum pipe fire-proof cladding that mineral insulated cable is had, doing
Need when branch connects to block, after main line and branch line connect, in addition it is also necessary to the main line aluminum pipe blocked and branch line aluminum pipe are connected,
The most loaded down with trivial details and be difficult to ensure to electrically connect reliably；Also have thermoplastic molding insulation, easily burn and produce smog, being unfavorable for
The fire protecting performance of branch cable joint.
The way that domestic mineral insulation multicore cable insulated wire cores conductor branch connects, general employing copper c-clip will be dry
Line and tap conductor core are colded pressing connection, then hold insulation.So, first have to 5 trunk cable insulated electric conductors during fabrication
Core struts bigger spacing, the most respectively by 3 or 5 mains conductors core insulation strip ofves, with 3 with branch line cable
Or 5 conductor thread cores cold pressing connection.Owing to the insulation of mineral insulated conductor core uses composite mica tape, during making, strut core stripping
Opening insulation to bother very much, crimping is also required to stretch into hydraulic tongs the insulated wire cores gap strutted and colds pressing connection.This mica insulation pole
Easily damaged, and hands of spraining especially when holding insulation is inferior, also destroys the insulation system that cable core is original.Above-mentioned way is not
The most time-consuming, it is important that the operation of different workmans is difficult to ensure that the concordance of multiple joint, quality controllability extreme difference.
Therefore, develop a kind of fire safety, multi-way cable easy and simple to handle, become and need solution badly for insider
Problem.
Utility model content
For the above-mentioned technical problem in correlation technique, the utility model proposes the pre-branch of a kind of flexible mineral matter insulation
Fireproof cable, solves above-mentioned technical problem.
For realizing above-mentioned technical purpose, the technical solution of the utility model is achieved in that
A kind of flexible mineral matter insulation pre-branch fireproof cable, including trunk cable, described trunk cable is by branch even
Joint connects branch line cable；Described branch union joint includes branch's housing；Described branch housing include aluminium alloy upper casing and
Aluminium alloy lower casing；One end of described branch housing is provided with the entrance corresponding with described trunk cable, and this branch's housing is another
One end is provided with the outlet corresponding with described branch line cable；It is provided with aluminum set of connection devices in described branch housing；Described aluminum
One end of set of connection devices is fixing with described trunk cable to be connected, and the other end of this aluminum set of connection devices is electric with described branch line
Cable is fixing to be connected, and described aluminum set of connection devices includes that trunk cable is fixed on U-shaped copper die casting by copper pressing plate, described copper pressing plate
On, described U-shaped copper die casting is additionally provided with the breakout cable hole corresponding with described branch line cable；On described U-shaped copper die casting
It is additionally provided with the insulative pricking device corresponding with described trunk cable and branch line cable；It is provided with insulation on described branch housing
Glue glue filling opening, described insulating cement glue filling opening is provided with thread seal mouth.
Further, the two ends of described aluminium alloy lower casing are installed with the fixing metal pressure corresponding with entrance and exit
Sheet.
Further, described insulative pricking device includes the trunk cable insulation upper pricker corresponding with trunk cable and main line
Sting under pricker and branch line cable insulation on pricker and the branch line cable insulation corresponding with branch line cable under cable insulation
Pin.
Further, in described insulating cement glue filling opening, the insulating cement of perfusion uses ceramic silicon rubber composite.
Further, described branch housing is aluminum alloy material.
The beneficial effects of the utility model: operation is simple, good looking appearance；There is reliable trunk cable and branch line cable
Electrical connection ability；Waterproof, fire protecting performance good；Simplify the connection operation of main line and branch cable, and make cable insulation without stripping
Can complete in the case of opening to connect, damage risk to cable insulation when greatly reducing stripping of insulatin and hydraulic tongs crimping；
Do not destroy original cable insulation structure, it is not necessary to lapped insulation, time saving and energy saving；Quality controllability and multiple joint concordance are strong；
Improve work efficiency, prevent damage in insulation.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
The accompanying drawing used required in is briefly described, it should be apparent that, the accompanying drawing in describing below is the most of the present utility model
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to according to this
A little accompanying drawings obtain other accompanying drawing.
Fig. 1 is the overall structure according to the flexible mineral matter insulation pre-branch fireproof cable described in this utility model embodiment
Schematic diagram；
Fig. 2 is the internal structure schematic diagram according to the flexible mineral matter insulation pre-branch fireproof cable shown in Fig. 1；
Fig. 3 is the structural representation of the lower house according to the flexible mineral matter insulation pre-branch fireproof cable shown in Fig. 1；
Fig. 4 is the structural representation of the upper shell according to the flexible mineral matter insulation pre-branch fireproof cable shown in Fig. 1；
Fig. 5 is the section signal of the branch's union joint according to the flexible mineral matter insulation pre-branch fireproof cable shown in Fig. 1
Figure；
Fig. 6 is that the structure of the branch's union joint according to the flexible mineral matter insulation pre-branch fireproof cable shown in Fig. 1 is installed
Schematic diagram；
Fig. 7 is the structural representation of the branch's union joint according to the flexible mineral matter insulation pre-branch fireproof cable shown in Fig. 1
Figure.
In figure:
1, U-shaped copper die casting；2, copper pressing plate；3, screw is pierced through in trunk cable insulation；4, branch line cable insulation pierces through spiral shell
Nail；5, U-shaped insulation upper casing；6, U-shaped insulation lower casing；7, trunk cable；8, branch line cable；9, fixing metal sheeting；11, groove
Hole；12, the lower pricker of trunk cable insulation；13, breakout cable hole；14, pricker under branch line cable insulation；15, screwed hole；31、
The upper pricker of trunk cable insulation；41, pricker on branch line cable insulation；51, buckle；55, aluminium alloy upper casing；61, block button hole；
62, insulating cement glue filling opening；63, thread seal mouth；66, aluminium alloy lower casing；67 screws；71, trunk cable insulation；72, main line electricity
Cable conductor；81, branch line cable insulation；82, branch line cable conductor.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained, all belong to
Scope in this utility model protection.
As shown in figs. 1-7, according to the anti-thermoelectricity of a kind of flexible mineral matter pre-branch of insulation described in this utility model embodiment
Cable, including trunk cable 7, described trunk cable 7 is connected by branch's union joint branch line cable 8；Described branch union joint
Including branch's housing；Described branch housing includes aluminium alloy upper casing 55 and aluminium alloy lower casing 66；One end of described branch housing sets
It is equipped with the entrance corresponding with described trunk cable 7, and the other end of this branch's housing is provided with corresponding with described branch line cable 8
Outlet；It is provided with aluminum set of connection devices in described branch housing；One end of described aluminum set of connection devices and described trunk cable 7
Fix and connect, and the other end of this aluminum set of connection devices is fixed with described branch line cable 8 and is connected, described aluminum set of connection devices bag
Including copper pressing plate 2, trunk cable 7 is fixed on U-shaped copper die casting 1 by described copper pressing plate 2, and described U-shaped copper die casting 1 is additionally provided with
The breakout cable hole 13 corresponding with described branch line cable 8；It is additionally provided with and described trunk cable 7 on described U-shaped copper die casting 1
Insulative pricking device with branch line cable 8 correspondence；Insulating cement glue filling opening 62, described insulating cement it is provided with on described branch housing
Glue filling opening is provided with thread seal mouth 63.
Wherein, the two ends of described aluminium alloy lower casing 66 are installed with the fixing metal sheeting 9 corresponding with entrance and exit；
Wherein, under described insulative pricking device includes the upper pricker 31 of trunk cable insulation corresponding with trunk cable and trunk cable insulation
Pricker 14 under pricker 41 and branch line cable insulation on pricker 12 and the branch line cable insulation corresponding with branch line cable；Its
In, in described insulating cement glue filling opening 62, the insulating cement of perfusion uses ceramic silicon rubber composite；Wherein, described branch housing is
Aluminum alloy material.
Understand technique scheme of the present utility model for convenience, below by way of new to this practicality in specifically used mode
The technique scheme of type is described in detail.
Trunk cable 7 is put into the U-shaped chamber of U-shaped copper die casting 1, and copper pressing plate 2 inserts slotted eye 11, and rear screw-in trunk cable is exhausted
Edge pierces through screw 3, uses pressure spanner to be tightened to authorized pressure value.Now, under the pressure of screw, trunk cable insulate
Upper pricker 31 and the lower pricker 12 of trunk cable insulation pierce through trunk cable insulation 71 at upper and lower faces respectively, thrust trunk cable
Conductor 72, makes trunk cable conductor 72 reliably link together with U-shaped copper die casting 1.
Branch line cable 8 is put into breakout cable hole 13, after in screwed hole 15 screw in branch line cable insulation pierce through spiral shell
Nail 4, uses pressure spanner to be tightened to authorized pressure value.Now, under the pressure of screw, pricker on branch line cable insulation
41 and branch line cable insulation under pricker 14 pierce through branch line cable insulation 81 at upper and lower faces respectively, thrust branch line cable
Conductor 82, makes branch line cable conductor 82 reliably link together with U-shaped copper die casting 1.
Above-mentioned two steps will trunk cable conductor 72 and branch line cable conductor 82, connected by U-shaped copper die casting 1 transition
Together, electrical connection reliably is set up.
Subsequently, the buckle 51 that U-shaped insulation upper casing 5 is arranged is buckled in the block button hole 61 arranged on U-shaped insulation lower casing 6,
To wrap up based on the aluminum set of connection devices of U-shaped copper die casting 1, fasten buckle 51 and block button hole 61 locking after putting in place,
Complete a complete branch joint.
Finally, aluminium alloy upper shell 55 is buckled into the screw 67 arranged on Al-alloy casing 66 and fastens, and fill to insulating cement
Glue hole 62 pours into the insulation of ceramic silicon rubber composite, and the ceramic silicon rubber composite poured in being allowed to housing insulation is close
Real, first-class insulating cement glue filling opening 62, complete this programme.
In sum, by means of technique scheme of the present utility model, operation can be simplified, and ensure good looking appearance；
Reliable trunk cable and branch line cable electrical connection ability can be made it have；Its waterproof, fire protecting performance can be promoted；Permissible
Electrically connect in the case of not destroying insulation system, and without lapped insulation, time saving and energy saving；Can strengthen quality controllability and
The concordance of multiple joints；Improve work efficiency, prevent damage in insulation.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all at this
Within the spirit of utility model and principle, any modification, equivalent substitution and improvement etc. made, should be included in this utility model
Protection domain within.
Claims (5)
1. a flexible mineral matter insulation pre-branch fireproof cable, including trunk cable, it is characterised in that described trunk cable leads to
Cross branch's union joint connection and have branch line cable；Described branch union joint includes branch's housing；Described branch housing includes that aluminum closes
Gold upper casing and aluminium alloy lower casing；One end of described branch housing is provided with the entrance corresponding with described trunk cable, and this branch
The other end of housing is provided with the outlet corresponding with described branch line cable；It is provided with aluminum set in described branch housing and connects dress
Put；One end of described aluminum set of connection devices and described trunk cable are fixing to be connected, and the other end of this aluminum set of connection devices and institute
Stating the fixing connection of branch line cable, described aluminum set of connection devices includes that trunk cable is fixed on U-shaped by copper pressing plate, described copper pressing plate
On copper die casting, described U-shaped copper die casting is additionally provided with the breakout cable hole corresponding with described branch line cable；Described U-shaped copper
The insulative pricking device corresponding with described trunk cable and branch line cable it is additionally provided with on die casting；Set on described branch housing
Being equipped with insulating cement glue filling opening, described insulating cement glue filling opening is provided with thread seal mouth.
A kind of flexible mineral matter insulation the most according to claim 1 pre-branch fireproof cable, it is characterised in that described aluminum closes
The two ends of gold lower casing are installed with the fixing metal sheeting corresponding with entrance and exit.
A kind of flexible mineral matter insulation the most according to claim 2 pre-branch fireproof cable, it is characterised in that described insulation
Lancing device includes the trunk cable insulation upper pricker corresponding with trunk cable and the lower pricker of trunk cable insulation and and branch
Pricker under pricker and branch line cable insulation on the branch line cable insulation that line cable is corresponding.
A kind of flexible mineral matter insulation the most according to claim 3 pre-branch fireproof cable, it is characterised in that described insulation
In glue glue filling opening, the insulating cement of perfusion uses ceramic silicon rubber composite.
A kind of flexible mineral matter insulation the most according to claim 4 pre-branch fireproof cable, it is characterised in that described branch
Housing is aluminum alloy material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620536848.0U CN205680457U (en) | 2016-06-06 | 2016-06-06 | A kind of flexible mineral matter insulation pre-branch fireproof cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620536848.0U CN205680457U (en) | 2016-06-06 | 2016-06-06 | A kind of flexible mineral matter insulation pre-branch fireproof cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205680457U true CN205680457U (en) | 2016-11-09 |
Family
ID=57434603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620536848.0U Expired - Fee Related CN205680457U (en) | 2016-06-06 | 2016-06-06 | A kind of flexible mineral matter insulation pre-branch fireproof cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205680457U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105913904A (en) * | 2016-06-06 | 2016-08-31 | 北京华远高科电缆有限公司 | Flexible mineral insulated pre-branch fireproof cable |
-
2016
- 2016-06-06 CN CN201620536848.0U patent/CN205680457U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105913904A (en) * | 2016-06-06 | 2016-08-31 | 北京华远高科电缆有限公司 | Flexible mineral insulated pre-branch fireproof cable |
| CN105913904B (en) * | 2016-06-06 | 2018-08-31 | 华远高科电缆有限公司 | A kind of pre- branch's fireproof cable of flexible mineral matter insulation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161109 Termination date: 20210606 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |