CN208589276U - A kind of flexible prefabricated branch's head of rigidity mineral insulated cable - Google Patents
A kind of flexible prefabricated branch's head of rigidity mineral insulated cable Download PDFInfo
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- CN208589276U CN208589276U CN201821240026.3U CN201821240026U CN208589276U CN 208589276 U CN208589276 U CN 208589276U CN 201821240026 U CN201821240026 U CN 201821240026U CN 208589276 U CN208589276 U CN 208589276U
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Abstract
The utility model relates to mineral insulated cable technical field more particularly to a kind of flexible prefabricated branch's heads of rigid mineral insulated cable；Including main cable and branch cable；Main cable successively includes the first sheath, trunk copper pipe, trunk insulator and trunk conducting wire from outside to inside；Branch cable successively includes offset, offset insulator, branch's copper pipe from the inside to the outside；Offset one end is connect with trunk conducting wire, and the other end is connect with branch's copper pipe；Offset is wound on trunk conducting wire, and is fixedly connected by annular snap；Trunk conducting wire outer surface is arranged with trunk insulator, and offset outer surface is arranged with offset insulator；It is arranged with the second sheath on main cable and branch cable, and forms an entirety；By simple structure, it is easily installed use, and not only convenient for improving flameproof effect.
Description
Technical field
The utility model relates to mineral insulated cable technical field more particularly to a kind of rigid mineral insulated cables
Flexible prefabricated branch's head.
Background technique
Mineral insulated cable is building extensive utilization now, and mineral insulated cable is according to its fire protection requirement
There are mainly two types of: one is rigid minerals cables, and one is flexible mineral matter cables；There are mainly four types of on domestic market
Mineral insulated cable: (model BTTZ) is constituted by solid copper bar, magnesium oxide insulated, seamless copper pipe sheath；By copper stranded conductor, mineral
Insulated compounds, mineral compound sheath constitute (model BBTRZ)；It is longitudinally wrapped by copper stranded conductor, the insulation of fluormica band, copper strips
Continuous welding sheath constitutes (model YTTW)；By copper stranded conductor, gold mica tape insulation, seamless aluminium tubing sheath, oxygen barrier layer filling, every
(model BTLY) is constituted from flame retardant coating, low smoke and zero halogen sheath, and rigid cable is belonged to regard to BBTZ in these four cables, but it is such
Cable can only directly be transferred by transfer box；According to fire protection requirement in skyscraper, some places must use rigid mineral
Still the prefabricated branch head of the rigid minerals cable of the country is also the rigid prefabricated branch head used to matter cable at present, is being installed
It is extremely inconvenient when laying；Also there is part of the manufacturer attempting using prefabricated branch head at present, production is also simply to use machine
The link of tool structure, it is outer to be fixed using copper box outsourcing blending bolt, prefabricated branch head and main cable cannot be made to become an entirety,
So in fire-protection rating and on mounting and installation, all it is easy to appear problems.
Utility model content
The purpose of the utility model is to overcome above-mentioned the deficiencies in the prior art, provide a kind of rigid mineral insulation electricity
Flexible prefabricated branch's head of cable.
The technical scheme adopted by the utility model to solve the technical problem is as follows:
Construct a kind of flexible prefabricated branch's head of rigid mineral insulated cable, including main cable and branch cable；Institute
State main cable successively includes the first sheath, trunk copper pipe, trunk insulator and trunk conducting wire from outside to inside；The branch cable
It from the inside to the outside successively include offset, offset insulator, branch's copper pipe；It is led with the trunk described offset one end
Line connection, the other end are connect with branch's copper pipe；The offset is wound on the trunk conducting wire, and passes through annular snap
It is fixedly connected；Trunk conducting wire outer surface is arranged with the trunk insulator, and the offset outer surface is arranged with described
Offset insulator；It is arranged with the second sheath on the main cable and branch cable, and forms an entirety.
Flexible prefabricated branch's head of rigidity mineral insulated cable described in the utility model, wherein the trunk copper pipe,
Trunk insulator and trunk conducting wire are all exposed similar and different length；The main cable is followed successively by described from left to right
One sheath, the trunk copper pipe, the trunk insulator, the trunk conducting wire, the trunk insulator, the trunk copper pipe,
First sheath.
Flexible prefabricated branch's head of rigidity mineral insulated cable described in the utility model, wherein second sheath
It is tightly connected with branch's copper pipe and first sheath of two sides, and close with first sheath and branch's copper pipe
Fitting.
Flexible prefabricated branch's head of rigidity mineral insulated cable described in the utility model, wherein second sheath
Be tightly connected with branch's copper pipe and first sheath of two sides, and with first sheath, the trunk copper pipe, described
Trunk insulator, the trunk conducting wire, the offset, the annular snap, the offset insulator, described point
Branch copper pipe fits closely.
Flexible prefabricated branch's head of rigidity mineral insulated cable described in the utility model, wherein the sheath material
For ceramic silicon rubber.
Flexible prefabricated branch's head of rigidity mineral insulated cable described in the utility model, wherein the trunk conducting wire,
The annular snap and the offset pass through the wrapped fixation of insulating materials multilayer.
The utility model has the beneficial effects that: flexible prefabricated point of a kind of rigid mineral insulated cable of the utility model
Branch head is removed in demand prefabricated branch size positions by main cable, exposes trunk conducting wire and the head of branch cable is shelled simultaneously
The offset for separating out branch cable is fixed offset and trunk conducting wire on trunk conducting wire, and with annular snap, Gu
Using insulating materials trunk conducting wire, annular snap and the wrapped fixation of offset multilayer after fixed, then carried out using the second sheath
Package forms prefabricated branch head assembly, since fire proofing material is flexible, so the prefabricated branch head of rigid cable is also flexible
, it is equivalent to human synovial structure, so especially in the very narrow place laying in space and turning round more in mounting and installation
It is convenient, it can more play the role of fire-proof and damp-proof well in use；By simple structure, being not only easily installed makes
With, and convenient for improving flameproof effect.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below in conjunction with attached drawing
And the utility model is described in further detail for embodiment, the accompanying drawings in the following description is only that the part of the utility model is implemented
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other accompanying drawings:
Fig. 1 is that the structure of the flexible prefabricated branch head of the rigid mineral insulated cable of the utility model preferred embodiment is shown
It is intended to I；
Fig. 2 is that the structure of the flexible prefabricated branch head of the rigid mineral insulated cable of the utility model preferred embodiment is shown
It is intended to II；
Wherein, 11- trunk conducting wire, 12- trunk insulator, 13- trunk copper pipe, the first sheath of 14-, 21- offset,
22- offset insulator, 23- branch copper pipe, 31- annular snap, the second sheath of 32-.
Specific embodiment
It is practical below in conjunction with this in order to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Technical solution in new embodiment carries out clear, complete description, it is clear that described embodiment is the portion of the utility model
Point embodiment, rather than whole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not being paid
Every other embodiment obtained, belongs to the protection scope of the utility model under the premise of creative work.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the range of the utility model protection.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, or
The utility model product using when the orientation or positional relationship usually put, be merely for convenience of description the utility model and letter
Change description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation construct and
Operation, therefore should not be understood as limiting the present invention.
Term " first ", " second ", " third " etc. are only used for distinguishing description, are not understood to indicate or imply relatively heavy
The property wanted.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Set ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection,
Or it is integrally connected；It can be directly connected, the company inside two elements can also be can be indirectly connected through an intermediary
It is logical.For the ordinary skill in the art, above-mentioned term in the present invention specific can be understood with concrete condition
Meaning.
Referenced herein " embodiment " is it is meant that a particular feature, structure, or characteristic described can wrap in conjunction with the embodiments
It is contained at least one embodiment of the utility model., which there is the phrase, in each position in the description to be each meant
Identical embodiment, nor the independent or alternative embodiment with other embodiments mutual exclusion.Those skilled in the art are explicit
Ground and implicitly understand, embodiment described herein can be combined with other embodiments.
A kind of flexible prefabricated branch's head of rigid mineral insulated cable of the utility model preferred embodiment, such as Fig. 1-2
It is shown, including main cable and branch cable；The main cable successively includes that the first sheath 14, trunk copper pipe 13, trunk are exhausted
Edge body 12 and trunk conducting wire 11；The branch cable includes offset 21, branch's copper pipe 23, offset insulator 22；Institute
It states 21 one end of offset to connect with the trunk conducting wire 11, the other end is connect with branch's copper pipe 23；The offset
21 are wound on the trunk conducting wire 11, and are fixedly connected by annular snap 31；11 outer surface of trunk conducting wire is arranged
Trunk insulator 12 is stated, 21 outer surface of offset is arranged with the offset insulator 22；The main cable and
It is arranged with the second sheath 32 on branch cable, and forms an entirety；By main cable in demand prefabricated branch size position
Removing is set, exposes the offset 21 that trunk conducting wire 11 simultaneously separates the head of branch cable branch cable, offset
21 fix on trunk conducting wire 11, and with annular snap 31 with trunk conducting wire 11, and trunk is led using insulating materials after fixed
Then line 11, annular snap 31 and the wrapped fixation of 21 multilayer of offset are wrapped up using the second sheath 32, form prefabricated branch
Head assembly, so the prefabricated branch head of rigid cable is also flexible, is equivalent to human synovial since fire proofing material is flexible
Structure, thus mounting and installation especially space it is very narrow place laying and turn round it is more convenient, in use
Fire-proof and damp-proof can more be played the role of well；By simple structure, it is easily installed use, and not only convenient for improving fire prevention
Effect.
As shown in Figs. 1-2, the trunk copper pipe 13, trunk insulator 12 and trunk conducting wire 11 are all exposed similar and different
Length；The main cable is followed successively by first sheath 14, the trunk copper pipe 13, the trunk insulator from left to right
12, the trunk conducting wire 11, the trunk insulator 12, the trunk copper pipe 13, first sheath 14；By main cable by
It is outer first to strip out one section of trunk copper pipe 13 from the first sheath 14 to interior stripping, then to strip out among trunk copper pipe 13 one section of trunk exhausted
Edge body 12, then one section of trunk conducting wire 11 is stripped out among trunk insulator 12, so as to form required main cable.
Connect as shown in Fig. 2, second sheath 32 is sealed with branch's copper pipe 23 and first sheath 14 of two sides
It connects, and is fitted closely with first sheath 14 and branch's copper pipe 23；By the sealing of the second sheath 32, make internal generation
One lesser cavity, to keep it more soft.
Connect as shown in Figure 1, second sheath 32 is sealed with branch's copper pipe 23 and first sheath 14 of two sides
Connect, and with first sheath 14, the trunk copper pipe 13, the trunk insulator 12, the trunk conducting wire 11, described
Offset 21, the annular snap 31, the offset insulator 22, branch's copper pipe 23 fit closely；Pass through second
After sheath 32 is sealed against, and all components are closely pasted, thus keep it more stable, it is also more complete to internal protection
Face.
As shown in Figs. 1-2, the sheath material is ceramic silicon rubber；Ceramic silicon rubber is one kind of silica resin, tool
Have good operability, viscosity is low, good fluidity, easy to operate, washing shrinkage is small, tension intensity is good, be unlikely to deform, hardness is suitble to,
The ageing-resistant feature of high temperature resistant, long service life, acid and alkali-resistance.
In addition, trunk conducting wire 11 described in the utility model, the annular snap 31 and the offset 21 pass through insulation
The wrapped fixation of material multilayer；Convenient for keeping trunk conducting wire 11, annular snap 31 and the connection of offset 21 more stable, it is protected more
Add comprehensively.
It should be understood that for those of ordinary skills, it can be modified or changed according to the above description,
And all these modifications and variations all should belong to the protection scope of the appended claims for the utility model.
Claims (6)
1. a kind of flexible prefabricated branch's head of rigidity mineral insulated cable, which is characterized in that including main cable and branch's electricity
Cable；The main cable successively includes the first sheath, trunk copper pipe, trunk insulator and trunk conducting wire；The branch cable packet
Include offset, branch's copper pipe, offset insulator；Described offset one end is connect with the trunk conducting wire, the other end
It is connect with branch's copper pipe；The offset is wound on the trunk conducting wire, and is fixedly connected by annular snap；It is described
Trunk conducting wire outer surface is arranged with the trunk insulator, and the offset outer surface is arranged with the offset insulation
Body；It is arranged with the second sheath on the main cable and branch cable, and forms an entirety.
2. flexible prefabricated branch's head of rigidity mineral insulated cable as described in claim 1, which is characterized in that the trunk
Copper pipe, trunk insulator and trunk conducting wire are all exposed similar and different length；The main cable is followed successively by institute from left to right
State the first sheath, the trunk copper pipe, the trunk insulator, the trunk conducting wire, the trunk insulator, the trunk copper
Pipe, first sheath.
3. flexible prefabricated branch's head of rigidity mineral insulated cable as claimed in claim 2, which is characterized in that described second
Sheath and branch's copper pipe and first sheath of two sides are tightly connected, and with first sheath and branch's copper pipe
It fits closely.
4. flexible prefabricated branch's head of rigidity mineral insulated cable as claimed in claim 2, which is characterized in that described second
Sheath and branch's copper pipe and first sheath of two sides are tightly connected, and with first sheath, the trunk copper pipe,
The trunk insulator, the trunk conducting wire, the offset, the annular snap, the offset insulator, described point
Branch copper pipe fits closely.
5. flexible prefabricated branch's head of rigidity mineral insulated cable as described in claim 1, which is characterized in that the sheath
Material is ceramic silicon rubber.
6. flexible prefabricated branch's head of rigidity mineral insulated cable as described in claim 1, which is characterized in that the trunk
Conducting wire, the annular snap and the offset pass through the wrapped fixation of insulating materials multilayer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821240026.3U CN208589276U (en) | 2018-08-02 | 2018-08-02 | A kind of flexible prefabricated branch's head of rigidity mineral insulated cable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821240026.3U CN208589276U (en) | 2018-08-02 | 2018-08-02 | A kind of flexible prefabricated branch's head of rigidity mineral insulated cable |
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| Publication Number | Publication Date |
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| CN208589276U true CN208589276U (en) | 2019-03-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109003709A (en) * | 2018-08-02 | 2018-12-14 | 四川韦克电缆有限公司 | A kind of flexible prefabricated branch's head of rigidity mineral insulated cable |
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2018
- 2018-08-02 CN CN201821240026.3U patent/CN208589276U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109003709A (en) * | 2018-08-02 | 2018-12-14 | 四川韦克电缆有限公司 | A kind of flexible prefabricated branch's head of rigidity mineral insulated cable |
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