CN212276859U - Combined cable - Google Patents

Abstract

The utility model relates to a combination cable, including a plurality of cables, a plurality of add between the cable and be equipped with the separate layer, a plurality of the cable passes through the separate layer and all does not contradict each other, it is equipped with first flame retardant coating to add on the outer peripheral face of separate layer, add on the outer peripheral face of first flame retardant coating and be equipped with first metal sheath, it is equipped with the buffer layer to add on the outer peripheral face of first metal sheath (9), it is equipped with the outer jacket to add on the outer peripheral face of buffer layer, the separate layer includes that a plurality of is used for connecting the branch spacer block of cable respectively, adjacent two extend respectively on the terminal surface that the separate block is inconsistent and be provided with the card strip and set up the draw-in groove that holds the card strip, separate the spacer block and adopt the branch spacer block that the rubber material made, the card strip adopts the card strip that the rubber material. The application has the following effects: and the working personnel can lay a plurality of cables conveniently.

Description

Combined cable

Technical Field

The application relates to the field of cables, in particular to a combined cable.

Background

The electric wire and cable is wire used for electric power, communication and related transmission, and is an indispensable basic equipment for transmitting electric energy, transmitting information, performing electromagnetic conversion and manufacturing various motors, electric appliances and instruments. Currently, the world resources are increasingly tense, and materials used for electric wires are also very strict, and for electronic materials used for lead frames, terminals, connectors, and the like, high strength and high electrical conductivity or thermal conductivity are required as basic characteristics of products.

With the popularization of power cables, more and more construction sites need to use cables, and in most cases, a plurality of cables need to be laid, and in the laying process, a plurality of cables are usually bound together by binding wires and then laid together.

However, due to the uncertainty of the laying length, the laying length is usually long, workers need to bind the cable in sections, and in the laying process, the binding wire may be separated from the cable, which may cause a certain laying difficulty.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that a plurality of cables are laid more difficultly, the application provides a combination cable.

The application provides a combination cable adopts following technical scheme:

the utility model provides a combination cable, includes a plurality of cables, a plurality of add between the cable and be equipped with the separate layer, a plurality of the cable passes through the separate layer and all does not contradict each other, add on the outer peripheral face of separate layer and be equipped with first flame retardant coating, add on the outer peripheral face of first flame retardant coating and be equipped with first metal sheath, add on the outer peripheral face of first metal sheath and be equipped with the buffer layer, add on the outer peripheral face of buffer layer and be equipped with the outer jacket.

By adopting the technical scheme, a plurality of cables form a combined cable, and a worker determines which type of combined cable is needed according to the number of the cables to be laid, so that the worker can conveniently lay the plurality of cables; the cables do not conflict with each other through the separation layer, so that the cables between adjacent cables are prevented from being damaged due to friction; the fire-resistant layer and the waterproof layer are arranged on the outer peripheral surface of the separation layer, so that the combined cable has good fire-resistant and waterproof performances; the metal sheath is additionally arranged on the outer peripheral surface of the waterproof layer, so that the rigidity of the combined cable is ensured, and the combined cable is convenient for workers to lay; the damping layer is additionally arranged on the peripheral surface of the metal sheath, so that the shock resistance of the combined cable is ensured; an outer protective layer is additionally arranged on the peripheral surface of the damping layer to isolate the combined cable from the external environment; the arrangement of the metal sheath and the outer protective layer prevents external water and fire from directly contacting the cable, so that the waterproof and fireproof performances of the cable are better; the cable itself has certain waterproof and fireproof performance, and the protection of flame retardant coating, waterproof layer, copper sheath and the outer jacket of separate layer top has further improved the waterproof and fireproof ability of cable, has improved combination cable's life.

Preferably, the cable comprises a conductor, a mineral insulating layer is additionally arranged on the outer peripheral surface of the conductor, a metal sleeve is additionally arranged on the outer peripheral surface of the mineral insulating layer, an isolating sleeve is additionally arranged on the outer peripheral surface of the metal sleeve, a filler is additionally arranged on the outer peripheral surface of the isolating sleeve, a waterproof layer is additionally arranged on the outer peripheral surface of the filler, a fire-resistant layer is additionally arranged on the outer peripheral surface of the waterproof layer, and a metal sheath is additionally arranged on the outer peripheral surface of the fire-resistant layer.

By adopting the technical scheme, the mineral insulating layer, the metal sleeve and the isolating sleeve are sequentially arranged on the peripheral surface of the conductor, so that the normal conduction of the conductor is ensured; the filling materials are added between the cable cores, so that the adjacent cable cores are tightly connected, and the cable cores between the adjacent cable cores are prevented from being damaged due to friction; the waterproof layer and the fireproof layer are additionally arranged on the periphery of the filler, so that the device has good waterproof and fireproof performances; the metal sheath is additionally arranged on the peripheral surface of the fireproof layer, so that the rigidity of the cable is ensured, external water and fire are prevented from directly contacting the cable, and the waterproof and fireproof performance of the cable is better; the waterproof and fireproof performance of the cable per se and the protection of the fire-resistant layer, the waterproof layer, the copper sheath and the outer protective layer above the separation layer further improve the waterproof and fireproof capacity of the cable, so that the combined cable has the five-time waterproof and fireproof capacity, and the service life of the combined cable is prolonged.

Preferably, the separating layer comprises a plurality of separating blocks which are respectively used for connecting cables, clamping strips and clamping grooves for accommodating the clamping strips are respectively arranged on the abutting end surfaces of every two adjacent separating blocks in an extending mode, the separating blocks are made of rubber materials, and the clamping strips are made of rubber materials.

Through adopting above-mentioned technical scheme, the separate layer comprises the joint of a plurality of partition piece through card strip and draw-in groove, has made things convenient for the staff to separate the cable in the composite cable and uses.

Preferably, the mineral insulation layer is a mica insulation layer.

By adopting the technical scheme, the mica not only has good insulativity and high temperature resistance, but also has stable physical and chemical properties, and ensures that the insulating layer can well protect the conductor when the conductor is conductive.

Preferably, the metal sleeve is a continuously formed aluminum metal sleeve.

By adopting the technical scheme, the middle joint-free structure is realized, and the problem of water inflow at the joint is prevented.

Preferably, the isolation sleeve is an insulating isolation sleeve made of magnesium oxide, and the first refractory layer and the second refractory layer are both refractory layers made of magnesium oxide.

By adopting the technical scheme, the magnesium oxide has the characteristics of high temperature resistance and difficult combustion, so that the isolating sleeve and the fire-resistant layer are not only ensured not to cause fire hazard under the condition that the conductor is continuously electrified, but also ensured not to support combustion, the adjacent cable cores are not influenced mutually, and the quality of the combined cable is ensured.

Preferably, the filler is made of inorganic insulating fibers or inorganic mineral insulators.

By adopting the technical scheme, seamless connection of cable cores in the cable is guaranteed, and mutual friction between the cable cores is prevented, so that damage is avoided.

Preferably, the first waterproof layer and the second waterproof layer are waterproof layers made of polyethylene.

Through adopting above-mentioned technical scheme, the waterproof layer has prevented that external water from entering into the cable core in, and then the cable core contacts water and then produces the damage.

Preferably, the outer sheath is a plastic outer sheath made of a low-smoke halogen-free material.

Through adopting above-mentioned technical scheme, the outer jacket adopts low smoke and zero halogen material to make, has good waterproof and fire resistance to it has stronger corrosion protection nature, has effectually prevented that external environment from producing the influence to the cable.

In summary, the present application includes at least one of the following beneficial technical effects:

1. by arranging the combined cable, a plurality of cables can be conveniently laid by workers;

2. in the composite cable, the waterproof and fireproof performance of the cable per se and the protection of the fire-resistant layer, the waterproof layer, the copper sheath and the outer protective layer above the separation layer further improve the waterproof and fireproof capacity of the composite cable, so that the composite cable has the five-time waterproof and fireproof capacity, and the service life of the composite cable is prolonged.

Drawings

Fig. 1 is an overall sectional structural schematic diagram of the present application.

Fig. 2 is a schematic cross-sectional structure of a cable embodied in the present application.

Description of reference numerals: 1. a cable; 11. a conductor; 2. combining the sleeve; 21. a separation layer; 22. a separation block; 23. clamping the strip; 24. a card slot; 3. a mineral insulation layer; 4. a metal sheath; 5. an isolation sleeve; 6. a filler; 7. a first waterproof layer; 71. a second waterproof layer; 8. a first refractory layer; 81. a second refractory layer; 9. a first metal sheath; 91. a second metal sheath; 10. a shock-absorbing layer; 101. an outer jacket.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses a combination cable. Referring to fig. 1, the combined cable includes four cables 1 and a combined sleeve 2 combining the four cables 1 into a whole, the cables 1 are waterproof and fireproof cables 1, and the combined sleeve 2 is also waterproof and fireproof combined sleeve 2.

As shown in fig. 1 and 2, the cable 1 includes a conductor 11, the conductor 11 is made of a round copper stranded wire, a mineral insulating layer 3 is disposed on an outer circumferential surface of the conductor 11, a metal sleeve 4 is disposed on an outer circumferential surface of the mineral insulating layer 3, an isolation sleeve 5 is disposed on an outer circumferential surface of the metal sleeve 4, a filler 6 is disposed on an outer circumferential surface of the isolation sleeve 5, a second waterproof layer 71 is disposed on an outer circumferential surface of the filler 6, a second flame retardant coating 81 is disposed on an outer circumferential surface of the second waterproof layer 71, and a second metal sheath 91 is disposed on an outer circumferential surface of the second flame retardant coating 81.

Combination cover 2 includes separate layer 21, separate layer 21 includes four separation blocks 22, every separation block 22 is used for fixing every cable 1, make the equal complementary conflict of cable 1 between adjacent, it is provided with card strip 23 and sets up the draw-in groove 24 that holds card strip 23 to extend respectively on the inconsistent terminal surface of two adjacent separation blocks 22, and separation block 22 all adopts rubber material to make with card strip 23, be provided with first flame retardant coating 8 on the outer peripheral face of separate layer 21, be provided with first waterproof layer 7 on the outer peripheral face of first flame retardant coating 8, be provided with first metal sheath 9 on the outer peripheral face of first waterproof layer 7, be provided with buffer layer 10 on the outer peripheral face of first metal sheath 9, be provided with outer jacket 101 on the outer peripheral face of buffer layer 10.

The mineral insulating layer 3 is a mica insulating layer, mica has good insulating property and high temperature resistance, and the physical and chemical properties of mica are stable, so that the mineral insulating layer 3 can well protect the conductor 11 when the conductor 11 is conductive.

The metal sleeve 4 is made of continuously formed aluminum, so that the middle is free from a joint, and the problem of water inflow at the joint is solved.

The isolation sleeve 5 is made of high-temperature-resistant and non-combustible inorganic magnesium oxide, so that the isolation sleeve 5 is prevented from causing fire under the condition that the conductor 11 is continuously electrified, combustion is prevented, adjacent cable cores are prevented from being influenced mutually, and the quality of the cable is guaranteed.

The filler 6 is made of inorganic insulating fiber or inorganic mineral insulating tape, so that seamless connection of cable cores in the cable 1 is guaranteed, mutual friction between the cable cores is prevented, and further damage is avoided.

First flame retardant coating 8 and second flame retardant coating 81 all adopt the flame retardant coating that magnesium oxide made, the inboard of first flame retardant coating 8 and second flame retardant coating 81 is provided with first waterproof layer 7 and second waterproof layer 71 respectively, first waterproof layer 7 and second waterproof layer 71 all adopt the waterproof layer that polyethylene made, the flame retardant coating is used for preventing that the external world from catching fire and then can damage the cable core, the waterproof layer has prevented in that external water from entering into the cable core, and then the cable core contacts water and then produces the damage.

The first metal sheath 9 and the second metal sheath 91 are both copper sheaths, which can prevent the cable from interfering with other cables 1 and prevent the external magnetic field from interfering with the cable 1.

The plastic outer protective layer 101 is made of a low-smoke halogen-free material, has good waterproof and fireproof performances, has strong corrosion resistance, and effectively prevents the external environment from influencing the cable 1.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. A combination cable, comprising: the cable comprises a plurality of cables (1), a separation layer (21) is additionally arranged between the cables (1), the cables (1) are not mutually butted through the separation layer (21), a first flame retardant coating (8) is additionally arranged on the outer peripheral surface of the separation layer (21), a first waterproof layer (7) is additionally arranged on the outer peripheral surface of the first flame retardant coating (8), a first metal sheath (9) is additionally arranged on the outer peripheral surface of the first waterproof layer (7), a damping layer (10) is additionally arranged on the outer peripheral surface of the first metal sheath (9), an outer protective layer (101) is additionally arranged on the outer peripheral surface of the damping layer (10), the separation layer (21) comprises a plurality of separation blocks (22) which are respectively used for connecting the cables (1), and clamping strips (23) and clamping grooves (24) for accommodating the clamping strips (23) are respectively and extend from the abutted end surfaces of two adjacent separation blocks (22), the separating blocks (22) are made of rubber, and the clamping strips (23) are made of rubber.

2. The combination cable of claim 1, wherein: the cable (1) comprises a conductor (11), a mineral insulating layer (3) is additionally arranged on the outer peripheral surface of the conductor (11), a metal sleeve (4) is additionally arranged on the outer peripheral surface of the mineral insulating layer (3), an isolating sleeve (5) is additionally arranged on the outer peripheral surface of the metal sleeve (4), a filler (6) is additionally arranged on the outer peripheral surface of the isolating sleeve (5), a second waterproof layer (71) is additionally arranged on the outer peripheral surface of the filler (6), a second fireproof layer (81) is additionally arranged on the outer peripheral surface of the second waterproof layer (71), and a second metal sheath (91) is additionally arranged on the outer peripheral surface of the second fireproof layer (81).

3. The combination cable of claim 2, wherein: the mineral insulating layer (3) is a mica insulating layer.

4. The combination cable of claim 2, wherein: the metal sleeve (4) is a continuously formed aluminum metal sleeve.

5. The combination cable of claim 2, wherein: the isolation sleeve (5) is an insulation isolation sleeve made of magnesium oxide, and the first fire-resistant layer (8) and the second fire-resistant layer (81) are both fire-resistant layers made of magnesium oxide.

6. The combination cable of claim 2, wherein: the filler (6) is made of inorganic insulating fibers or inorganic mineral insulators.

7. The combination cable of claim 2, wherein: the first waterproof layer (7) and the second waterproof layer (71) are made of polyethylene.

8. The combination cable of claim 2, wherein: the outer jacket (101) is a plastic outer jacket made of low-smoke halogen-free materials.

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