CN205451853U - Modular cable - Google Patents

Abstract

The utility model relates to a wire and cable field, concretely relates to modular cable, including two piece at least cable cores, the outside insulating layer of every cable core is located to the cover, and the outside soft PVC sheath of all insulating layers is located to the cover, three the cable core is zero line, live wire and ground wire respectively, the cable core includes two strand at least inner cores, rolls up the protective layer of locating all inner cores outsides, the protective layer is insulating and low dielectric constant material layer. The utility model discloses a modular cable be convenient for the construction, required installation space is little, flexiblely highly, resistant buckle, long service life.

Description

Combined cable

technical field

The utility model relates to the field of electric wires and cables, in particular to a combined cable.

Background technique

Domestic building installation regulations stipulate that when wiring cables for indoor decoration, as shown in Figure 1, PVC wire tubes 5 must be installed outside the cable core 1 before use. PVC wire tubes 5 are made of polyvinyl chloride. Plastic pipes are usually used in indoor or outdoor dangerous places with high temperature, vibration, and fire hazards. PVC wire tube 5 has the advantages of flame retardancy, not easy to deform, small thermal expansion coefficient, and no breeding of microorganisms. Therefore, it is often used in humid and dark places. Generally, indoor PVC wire tubes 5 are buried in the soil or buried in the wall. , the cable core 1 is worn inside to prevent the cable core 1 from being in direct contact with the outside world. On the one hand, the layout of the PVC wire tube 5 must wait until the main building project is completed, resulting in a long construction period and high labor and material costs. On the other hand, the PVC wire tube 5 used is a hard wire tube, which must It needs to be carried out at the installation site, the wiring is complicated, the required installation space is large, and the cable flexibility is poor, and the cable is easy to break after repeated bending, and the service life is short.

Utility model content

In order to solve the above problems, the utility model provides a combined cable which is convenient for construction, requires a small installation space, has high flexibility, is resistant to bending, and has a long service life.

The technical solution adopted by the utility model is: a combined cable, including at least two cable cores, which are sheathed on the insulating layer outside each cable core, and soft PVC sheaths which are set on the outside of all insulating layers. The outer surface of the quality PVC sheath is printed with words corresponding to each cable core; the cable core includes at least two inner cores, and a protective layer wrapped around all inner cores; the protective layer is insulating and has a low dielectric constant material layer.

A further improvement to the above technical solution is that the colors of each of the cable cores are different.

A further improvement to the above technical solution is that there are three cable cores, and the three cable cores are respectively neutral wire, live wire and ground wire; the outer surface of the soft PVC sheath corresponds to the neutral wire, live wire and ground wire of the cable core. The characters of zero line, live line and ground line are printed on the line respectively.

A further improvement to the above technical solution is that the three cable cores are arranged in a straight line, and the soft PVC sheath is flat and sheathed on the outside of the insulating layer.

A further improvement to the above technical solution is that the three cable cores are arranged in a circle, and the soft PVC sheath is cylindrical and is sheathed outside the insulating layer.

A further improvement to the above technical solution is that the protective layer is covered with a high temperature resistant layer.

The beneficial effects of the utility model are:

1. On the one hand, the cable core of the combined cable of the present invention is provided with a soft PVC sheath outside, and the soft PVC sheath complies with safety regulations, and since the cable core and the soft PVC sheath are combined in advance, the construction site It can be directly wired through the reserved cable trough, which shortens the installation period during wiring, thereby reducing the cost of materials and labor; secondly, the soft PVC sheath is soft and easy to bend, which reduces the difficulty of wiring , which makes the installation easier and requires less installation space; third, the use of soft PVC sheath reduces the difficulty of wiring, makes installation easier, and requires less installation space; fourth, the cable core The outside is covered with an insulating layer to further protect the cable core, and at the same time have an isolation effect to ensure the transmission performance of the cable core; fifth, the protective layer is an insulating and low dielectric constant material layer, which has good insulation performance, strong anti-interference ability, and Wear resistance, oil resistance, corrosion resistance, high strength and high elasticity.

2. The outer surface of the soft PVC sheath corresponds to the neutral wire, live wire and ground wire of the cable core, respectively printed with the words neutral wire, live wire and ground wire, which is easy to distinguish and easy to use.

The colors of the 3 cable cores are all different, which is easy to distinguish and easy to use.

4. The three cable cores are arranged in a straight line, and the soft PVC sheath is flat and set outside the insulating layer; or the three cable cores are arranged in a circle, and the soft PVC sheath is cylindrical and set outside the insulating layer. The combined cables can be made into different shapes according to the different wiring grooves, so as to meet the use requirements of different occasions, so that the utility model has a wide application range.

5. The protective layer is covered with a high-temperature resistant layer, and the high-temperature-resistant layer is made of high-temperature-resistant materials. The high-temperature-resistant material is high-temperature-resistant heat-insulating and thermal insulation coatings. The use requirements in the environment enable the utility model to maintain superior performance in extreme environments, which is conducive to improving the quality of the utility model.

Description of drawings

Fig. 1 is the structural representation of the cable of prior art;

Fig. 2 is the structural representation of the specific embodiment one of the utility model;

Fig. 3 is the structural representation of the cable core of specific embodiment 1 of the present utility model;

Fig. 4 is a schematic structural diagram of a second embodiment of the utility model.

detailed description

The utility model will be further described below in conjunction with the accompanying drawings.

As shown in FIG. 2 and FIG. 3 , they are a schematic structural view of a specific embodiment 1 of the present invention and a schematic structural view of a cable core, respectively.

Specific embodiment one:

The combined cable 100 includes at least two cable cores 110, an insulating layer 120 set on the outside of each cable core 110, and a soft PVC sheath 130 set on the outside of all insulating layers 120. In this embodiment, the cable core 110 is three, and the three cable cores 110 are neutral wires, live wires and ground wires; the cable cores 110 include at least two inner cores 111, and a protective layer 112 wound outside all inner cores 111; the protective layer 112 is insulated and low-dielectric Constant material layer.

On the one hand, the cable core 110 of the combined cable 100 of the present utility model is provided with a soft PVC sheath 130 outside, and the soft PVC sheath 130 complies with safety regulations, and because the cable core 110 is combined with the soft PVC sheath 130 in advance In general, the construction site can be directly wired through the pre-reserved cable trough, which shortens the installation period during wiring, thereby reducing the cost of materials and labor; secondly, the soft PVC sheath 130 is soft and easy to bend, reducing The difficulty of wiring is reduced, the installation is simpler, and the required installation space is small; the third aspect, the use of soft PVC sheath 130 reduces the difficulty of wiring, the installation is simpler, and the required installation space is smaller; In the fourth aspect, the cable core 110 is covered with an insulating layer 120, which further protects the cable core 110 and at the same time plays an isolation role to ensure the transmission performance of the cable core 110; in the sixth aspect, the protective layer 112 is an insulating and low dielectric constant material layer , good insulation performance, strong anti-interference ability, wear resistance, oil resistance, corrosion resistance, high strength and high elasticity.

The outer surface of the soft PVC sheath 130 corresponds to the zero line, live line and ground of the cable core 110, respectively printed with the words zero line, live line and ground line, which is easy to distinguish and easy to use.

The colors of the cable cores 110 are all different, which is easy to distinguish and easy to use.

The three cable cores 110 are arranged in a straight line, and the soft PVC sheath 130 is flat and sheathed on the outside of the insulating layer 120. The combined cable 100 can be made into different shapes according to different wiring grooves to meet the needs of different occasions. Demand makes the utility model have a wide application range.

The protective layer 112 is covered with a high temperature resistant layer 113, and the high temperature resistant layer 113 is made of high temperature resistant material. The use requirements in extreme environments enable the utility model to maintain superior performance in extreme environments, which is conducive to improving the quality of the utility model.

The making principle of the utility model is:

First, each inner core 111 is coated with a protective layer 112, and then the two inner cores 111 coated with the protective layer 112 are hinged in pairs, and each pair of inner cores 111 is twisted with each other again to obtain a cable core 110, three cable cores 110 of live wire, neutral wire and ground wire are made in sequence, and a layer of insulating layer 120 is respectively coated on the outside of each cable core 110. Finally, according to the actual use occasions, the cable cores 110 are arranged in a Inline or circular, and wrap a layer of soft PVC sheath 130 outside all the cable cores 110 coated with insulating layers 120 to obtain the combined cable 100 of the present invention.

As shown in FIG. 4 , it is a schematic structural diagram of a second embodiment of the present invention.

Specific embodiment two:

In this embodiment, the structure and composition of the combined cable 100 are the same as those in Embodiment 1. The difference is that the three cable cores 110 are arranged in a circle, and the soft PVC sheath 130 is cylindrical and is set on the insulating layer. 120 outside, which can meet the needs of the use of cylindrical wiring slots.

The above-mentioned embodiments only express several implementations of the utility model, and the description thereof is relatively specific and detailed, but it should not be construed as limiting the patent scope of the utility model. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the utility model, and these all belong to the protection scope of the utility model. Therefore, the scope of protection of the utility model patent should be based on the appended claims.

Claims (6)

1. The combined cable is characterized in that it includes at least two cable cores, an insulating layer set outside each cable core, and a soft PVC sheath set outside all insulating layers, and the soft PVC sheath Words are printed on the outer surface corresponding to each cable core; the cable core includes at least two inner cores, and a protective layer wrapped around all inner cores; the protective layer is an insulating material layer with a low dielectric constant. 2. The combined cable according to claim 1, wherein the color of each of the cable cores is different. 3. The combined cable according to claim 2, characterized in that: there are three cable cores, and the three cable cores are respectively zero wire, live wire and ground wire; the outer surface of the soft PVC sheath corresponds to the cable The neutral wire, live wire and ground wire of the core are printed with the characters of neutral wire, live wire and ground wire respectively. 4. The combined cable according to claim 3, wherein the three cable cores are arranged in a straight line, and the soft PVC sheath is flat and sheathed outside the insulating layer. 5. The combined cable according to claim 3, characterized in that: the three cable cores are arranged in a circle, and the soft PVC sheath is cylindrical and is sheathed outside the insulating layer. 6. The combined cable according to claim 4 or 5, characterized in that: the protective layer is covered with a high temperature resistant layer.