CN206931417U

CN206931417U - A kind of high residential building security ramifications multicore cable

Info

Publication number: CN206931417U
Application number: CN201720610625.9U
Authority: CN
Inventors: 吴惠明
Original assignee: DONGGUAN MINXING CABLE Co Ltd
Current assignee: DONGGUAN MINXING CABLE Co Ltd
Priority date: 2017-05-27
Filing date: 2017-05-27
Publication date: 2018-01-26
Anticipated expiration: 2027-05-27

Abstract

It the utility model is related to the technical field of cable, more particularly to a kind of high residential building security ramifications multicore cable, including insulation shell, the multicore leader cable and multicore branch cable that are placed in insulation shell, the conductor of multicore leader cable and the conductor of multicore branch cable are crimped by C-type clamp, conductor is wrapped with C-type clamp interface insulating barrier, insulation shell includes the upper shell and lower house that are detachably connected, and the inwall of upper shell and lower house is coated with insulating materials；The structure of multicore leader cable and the structure of multicore branch cable include at least three cable core units, conductor, inorganic mineral insulating barrier, ceramic insulating layer and the oversheath that each cable core unit is set gradually from the inside to the outside；Every three cable core units arrange to form core with triangular matrices, water blocking layer is provided with the outside of core, gasket for packing is filled between the core and the water blocking layer, the outside of the water blocking layer is provided with PE sheaths, solves in the past the problem of installation is inconvenient, fire-proof and water-proof poor performance.

Description

A kind of high residential building security ramifications multicore cable

Technical field

The technical field of cable is the utility model is related to, more particularly to a kind of high residential building security ramifications multicore cable.

Background technology

Peak period is built as the public buildings such as large-scale railway station, airport, stadiums, exhibition center welcome, it is civilian at present The real estate such as the big scale of construction, high-rise building is more and more in building's electrical design.So many building for electrical design again It is a new development, many new products, new technology are progressively applied in these projects.

At present, high residential building is a very big market for China, and various houses occurs in the market Cable, its quality is uneven, is exactly the security performance of cable for the most important guarantee of house cable, and in general security Can all be embodied in such as fire prevention, explosion-proof, overload capacity is strong, service life length, under Fire Conditions, cable low-smoke low-halogen after combustion Low toxicity, or even the particular/special requirements such as smokeless halogen-free is nontoxic.

However, need the amount that is equipped with to increase for every floor, in order to can be obtained in power construction it is convenient, safe, Quickly installation, many houses can all make whole electric power installation process more convenient using pre-branched cable, still, city at present Multi-core branch cable on the face operation difficulty during actual installation is big, and technical requirements are high, long construction period, and cable is deposited It cannot be ensured in more potential safety hazard, fire prevention, insulating properties.

Utility model content

The purpose of this utility model is to be directed to deficiency of the prior art, and provides a kind of simple in construction, easy for installation And the high residential building security ramifications multicore cable of the characteristic of fire-proof and water-proof.

The purpose of this utility model is achieved through the following technical solutions：

A kind of high residential building security ramifications multicore cable is provided, including insulation shell, the insulation shell are built-in with multicore Leader cable and multicore branch cable, the insulation shell offer the upper leader cable hole passed through for leader cable and lower leader cable hole and The branch cable hole passed through for branch cable, the insulation shell include the upper shell and lower house being detachably connected, the upper shell Insulating materials is coated with the inwall of lower house；The conductor of the multicore leader cable and the conductor of multicore branch cable pass through c-type Cramping connects, and each conductor is wrapped with the C-type clamp interface insulating barrier, the structure of multicore leader cable and the structure of multicore branch cable Include at least three cable core units, conductor that each cable core unit is set gradually from the inside to the outside, inorganic mineral insulating barrier, pottery Porcelain insulating layer and oversheath；Every three cable core units are arranged to form core with triangular matrices, and water blocking layer is provided with the outside of core, Gasket for packing is filled between the core and the water blocking layer, the outside of the water blocking layer is provided with PE sheaths.

Wherein, the periphery of the upper shell offers the groove that blocks water, and the periphery of the lower house is provided with and the groove phase that blocks water The raised line of matching.

Wherein, the conductor of the multicore leader cable and multicore branch cable is copper conductor.

Wherein, it is coated with inorganic mineral insulating barrier on the outside of the C-type clamp.

Wherein, the hole wall in the upper leader cable hole, the hole wall in lower leader cable hole and the hole wall in branch cable hole are provided with Falope ring.

Wherein, the insulating materials is fire retardant polyolefin.

The beneficial effects of the utility model：A kind of high residential building security ramifications multicore cable of the present utility model, it is and existing Technology is compared, and insulation shell includes the upper shell and lower house that are detachably connected, construction worker cable is installed when Wait, dismounting insulation shell can be just quickly installed, in addition, the inwall of housing and lower house is coated with insulating materials, enter one Step ensure that the Electrical Safety of branch's multicore cable, and C-type clamp outsourcing insulating layer coating can prevent from leaking between C-type clamp and insulation shell Electricity, the multicore cable outermost layer of the application are provided with PE sheaths, and cable core unit outermost layer is provided with serving, its fireproof wear-resisting energy Power is good, safer.

Brief description of the drawings

Using accompanying drawing, the utility model is described in further detail, but the embodiment in accompanying drawing is not formed to of the present utility model Any restrictions, on the premise of not paying creative work, can also be according to following attached for one of ordinary skill in the art Figure obtains other accompanying drawings.

Fig. 1 is a kind of structural representation of high residential building security ramifications multicore cable of the present utility model.

Fig. 2 is a kind of cross section structure schematic diagram of high residential building security ramifications multicore cable of the present utility model.

Reference：

1- multicore leader cables；11- conductors；12- inorganic mineral insulating barriers；13- ceramic insulating layers；14- metal protection of pipes Layer；15- oversheaths；16- gasket for packings；17- water blocking layers；18-PE sheaths；2- multicore branch cables；3-C types press from both sides；4- lower houses.

Embodiment

The utility model is further described with the following Examples.

A kind of embodiment of high residential building security ramifications multicore cable of the present utility model, as shown in Fig. 1 to 2, Including insulation shell, the multicore leader cable 1 and multicore branch cable 2 that are placed in insulation shell, insulation shell is offered for leader cable The upper leader cable hole and lower leader cable hole that pass through and the branch cable hole passed through for branch cable, the He of conductor 11 of multicore leader cable 1 The conductor 11 of multicore branch cable 2 is crimped by C-type clamp 3, and conductor 11 is wrapped with the interface of C-type clamp 3 insulating barrier, insulation shell Body includes the upper shell and lower house 4 that are detachably connected, the mode being detachably connected can by the way of screw and screwed hole, The inwall of upper shell and lower house 4 is coated with insulating materials, and the structure of multicore leader cable and the structure of multicore branch cable are wrapped At least three cable core units are included, conductor that each cable core unit is set gradually from the inside to the outside, inorganic mineral insulating barrier, ceramics are absolutely Edge layer and oversheath；Every three cable core units are arranged to form core with triangular matrices, and water blocking layer 17, institute are provided with the outside of core State and gasket for packing 16 is filled between core and the water blocking layer 17, the outside of the water blocking layer 17 is provided with PE sheaths 18.

Preferably, water blocking layer 17 is ripple steel sheath, and its effect is effectively waterproof and dampproof.

Preferably, PE sheaths 18 are prepared using the PE materials containing polyvinyl chloride, and it is not only prevented fires, but also has Good water resistance and anti-wear performance.

Preferably, the periphery of upper shell offers the groove that blocks water, and the periphery of lower house 4 is convex provided with matching with the groove that blocks water Bar, waterproof and dampproof effect can be effectively acted as, further strengthen the security performance of cable.

Preferably, the conductor 11 of multicore leader cable 1 and multicore branch cable 2 is copper conductor 11, specifically, fine 5 class copper Conductor 11, its good conductivity are soft and be easily installed and docking.

Preferably, the outside of C-type clamp 3 is coated with inorganic mineral insulating barrier 12, and inorganic mineral insulating barrier 12 is magnesia Insulating barrier, it, which is effectively guaranteed cable, has certain mechanical strength and insulating properties.

Preferably, the hole wall of the hole wall in upper leader cable hole, the hole wall in lower leader cable hole and branch cable hole is provided with silicon Rubber ring.

Preferably, the insulating materials of the inwall coated in housing and lower house 4 has very to contain flame retardant polyolefine material The anticreep performance of good fire-proof and damp-proof.

Preferably, ceramic insulating layer 13 is steatite ceramic, and it adds certain clay, bentonite using talcum as primary raw material Formed with the isometrical high temperature sintering of barium carbonate.

Preferably, metal tube protective layer 14 is that steel moulds polyethylene composite band.

Preferably, ectoderm uses pe sheath, and it has fire prevention, wear-resisting performance.

Finally it should be noted that above example is only illustrating the technical solution of the utility model, rather than to this reality With the limitation of novel protected scope, although being explained with reference to preferred embodiment to the utility model, this area it is general It is logical it will be appreciated by the skilled person that can be modified to the technical solution of the utility model or equivalent substitution, without departing from this The spirit and scope of utility model technical scheme.

Claims

1. a kind of high residential building security ramifications multicore cable, it is characterized in that, including insulation shell, the insulation shell be built-in with more Core leader cable and multicore branch cable, the insulation shell offer the upper leader cable hole passed through for leader cable and lower leader cable hole with And for the branch cable hole that branch cable passes through, the insulation shell includes the upper shell and lower house being detachably connected, the upper casing The inwall of body and lower house is coated with insulating materials；The conductor of the multicore leader cable and the conductor of multicore branch cable pass through C Type is clamped and connect, and each conductor is wrapped with the C-type clamp interface insulating barrier, the structure of multicore leader cable and the knot of multicore branch cable Structure includes at least three cable core units, conductor that each cable core unit is set gradually from the inside to the outside, inorganic mineral insulating barrier, Ceramic insulating layer and oversheath；Every three cable core units arrange to form core with triangular matrices, are provided with and block water on the outside of core Layer, is filled with gasket for packing, the outside of the water blocking layer is provided with PE sheaths between the core and the water blocking layer.

2. a kind of high residential building security ramifications multicore cable according to claim 1, it is characterized in that, the week of the upper shell While offering the groove that blocks water, the periphery of the lower house is provided with the raised line to match with the groove that blocks water.

3. a kind of high residential building security ramifications multicore cable according to claim 1, it is characterized in that, the multicore leader cable Conductor with multicore branch cable is copper conductor.

4. a kind of high residential building security ramifications multicore cable according to claim 1, it is characterized in that, on the outside of the C-type clamp It is coated with inorganic mineral insulating barrier.

5. a kind of high residential building security ramifications multicore cable according to claim 1, it is characterized in that, the upper leader cable hole Hole wall, the hole wall in lower leader cable hole and the hole wall in branch cable hole be provided with falope ring.

6. a kind of high residential building security ramifications multicore cable according to claim 1, it is characterized in that, the insulating materials is Flame retardant polyolefine material.