CN217035178U - Multi-core branch combined cable - Google Patents

Abstract

The utility model discloses a multi-core branch combined cable which comprises a protective sleeve, wherein an insulating layer is arranged on the inner side of the protective sleeve, a waterproof layer is arranged on the inner side of the insulating layer, a fireproof layer is arranged on the inner side of the waterproof layer, a fastening sleeve is arranged on the inner side of the fireproof layer, a fixing core is arranged on the inner side of the fastening sleeve, three grooves are uniformly formed in the outer side of the fixing core, abutting pieces are arranged in the grooves, and six groups of mounting holes are uniformly formed in an interlayer of the protective sleeve. The utility model discloses a through waterproof layer, the flame retardant coating that sets up, fixed core, strengthening rib, spring insulation cover and splint, waterproof layer and flame retardant coating have increased the security of cable in the installation use, can prevent that water from causing the damage to the cable, and the flame retardant coating has flame retardant efficiency, prevents that the cable core from catching fire when the cable short circuit, and fixed core splint press from both sides the cable core tightly to install, and the strengthening rib can play the guard action in the outside of cable, reduces the influence of the outside to the cable core.

Description

Multi-core branch combination cable

Technical Field

The utility model relates to the technical field of cables, in particular to a multi-core branch combined cable.

Background

The cable is an electric energy or signal transmission device, usually consists of several or several groups of wires, and is made of one or several mutually insulated conductors and outer insulating protective layer, and the wire for transmitting electric power or information from one place to another place is usually a cable similar to rope formed by twisting several or several groups of wires (at least two in each group), every group of wires are mutually insulated and usually twisted around a center, and the whole outer surface is covered with a highly insulating covering layer, and the cable has the characteristics of internal electrification and external insulation, and the cable includes power cable, control cable, compensation cable, shielding cable, high-temperature cable, computer cable, signal cable, coaxial cable, fire-resistant cable, marine cable, mining cable, aluminium alloy cable and so on. They are composed of single or multi-strand wires and insulating layers, and are used for connecting circuits, electric appliances and the like.

The utility model discloses a cable, including the cable core, the cable core is easy to be out of shape, and the performance of inside cable can lead to the performance to descend because of warping when installing and using, and receives the inside cable of external force oppression to warp equally easy the deformation influence performance.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model discloses a multi-core branch combined cable, which aims to solve the problems in the background technology.

(II) technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme: a multi-core branch composite cable, comprising:

the fireproof protective sleeve comprises a protective sleeve body, wherein an insulating layer is arranged on the inner side of the protective sleeve body, a waterproof layer is arranged on the inner side of the insulating layer, a fireproof layer is arranged on the inner side of the waterproof layer, and a fastening sleeve is arranged on the inner side of the fireproof layer.

Preferably, a fixing core is arranged on the inner side of the fastening sleeve, three grooves are uniformly formed in the outer side of the fixing core, and the abutting pieces are arranged in the grooves.

Preferably, six groups of mounting holes are uniformly formed in the interlayer of the protective sleeve, and reinforcing ribs are arranged in the six groups of mounting holes.

Preferably, the surface of the abutting piece is provided with a cable core, the inner side of the waterproof layer is provided with a spring, and the other end of the spring is provided with a clamping plate.

Preferably, the outside of spring is provided with insulating cover, the inside of flame retardant coating and adapter sleeve all is provided with the through-hole with insulating cover looks adaptation.

Preferably, the other side of the cable core is abutted to the clamping plate.

The utility model discloses a multi-core branch combined cable, which has the following beneficial effects:

1. the utility model discloses a through waterproof layer, the flame retardant coating that sets up, fixed core, strengthening rib, spring insulation cover and splint, waterproof layer and flame retardant coating have increased the security of cable in the installation use, can prevent that water from causing the damage to the cable, avoid taking place the electric shock when using, and the flame retardant coating has fire-retardant effect, prevents that the cable core from being on fire when the cable short circuit, causes the unnecessary loss.

2. The utility model discloses a through the tension of the piece cooperation splint that support in the fixed core outside through the spring with the cable core tight installation of clamp in the gap department between adapter sleeve and fixed core, the strengthening rib can play the guard action in the outside of cable, reduce the influence of external force to the cable core, the spring can play the guard action simultaneously, receive the spring that external force extrusion oppressed earlier when the cable, secondly oppress to inside cable core, most external force has been born to the spring, the cable core can not receive direct external force influence.

Drawings

FIG. 1 is a schematic view of the overall sectional structure of the present invention;

FIG. 2 is an enlarged schematic view of FIG. 1 at A according to the present invention;

fig. 3 is a schematic view of a connection structure of the reinforcing rib and the protective sleeve of the present invention.

In the figure: 1. a protective sleeve; 2. an insulating layer; 3. a waterproof layer; 4. a fire barrier layer; 5. fastening sleeves; 6. fixing the core; 7. a resisting sheet; 8. a cable core; 9. reinforcing ribs; 10. a spring; 11. an insulating sleeve; 12. and (4) clamping the plate.

Detailed Description

The embodiment of the utility model discloses a multi-core branch combined cable, as shown in figures 1-3, comprising:

the cable protection sleeve comprises a protection sleeve 1, wherein an insulating layer 2 is arranged on the inner side of the protection sleeve 1, the protection sleeve 1 protects the whole cable and can prevent the cable from being damaged by friction, the insulating layer 2 can play an insulating role, after the cable is installed and used, the outer surface of the cable does not have current, the cable does not have electric shock danger when in use, and the safety of the whole cable is improved, a waterproof layer 3 is arranged on the inner side of the insulating layer 2, the waterproof layer 3 plays a waterproof role and prevents water from entering the cable, the water is prevented from becoming a conductor when in use, the danger of using the cable is reduced, the cable core 8 is damaged, a fireproof layer 4 is arranged on the inner side of the waterproof layer 3, the fireproof layer 4 can play a flame-retardant role and can prevent the cable core 8 from being short-circuited and ignited to burn the whole cable to cause unnecessary loss, a fastening sleeve 5 is arranged on the inner side of the fireproof layer 4, and a fixing core 6 is arranged on the inner side of the fastening sleeve 5, three grooves are uniformly formed in the outer side of the fixed core 6, the supporting pieces 7 are arranged in the grooves, the supporting pieces 7 are in the shape of a semicircular arc and are matched with the cable core 8, and the cable core 8 is arranged in a gap between the fastening sleeve 5 and the fixed core 6.

The surface of the resisting sheet 7 is provided with cable cores 8, the cable cores 8 are provided with three groups which are all arranged on the outer side of the fixed core 6, the inner side of the waterproof layer 3 is provided with a spring 10, the other end of the spring 10 is provided with a clamping plate 12, the shape of the clamping plate 12 is a semi-circular arc shape and is matched with that of the cable cores 8, the clamping plate 12 is propped against the outer side of the cable cores 8 through the spring 10, the cable cores 8 are matched with the resisting sheet 7 to be clamped and installed in the cable through the tension of the spring 10, six groups of installation holes are uniformly arranged in the interlayer of the protective sleeve 1, reinforcing ribs 9 are arranged in the six groups of installation holes, the reinforcing ribs 9 are cylindrical, the reinforcing ribs 9 can play a protective role, the reinforcing ribs 9 can be bent and straightened, the cable can be kept in a straight shape by the reinforcing ribs 9 after being straightened, the inner cable cores 8 are made to be in a straight shape, the cable cores 8 cannot be deformed due to bending, the service performance is influenced, and the influence of an external force on the inner cable cores 8 can be reduced, the reinforcing ribs 9 can reduce external force and prevent the cable core 8 from deforming in the cable to influence performance.

The outside of spring 10 is provided with insulating bush 11, insulating bush 11 separates spring 10 and cable core 8, insulating bush 11 can produce deformation along with spring 10's is flexible, spring 10 presss from both sides tight when cable core 8 is pressed from both sides in the inside of cable, can also play the guard action, when receiving external force extrusion, oppress spring 10 earlier, secondly oppress inside cable core 8, spring 10 has born most external force, cable core 8 can not receive direct external force and influence, the inside of flame retardant coating 4 and adapter sleeve 5 all is provided with the through-hole with 11 looks adaptations of insulating bush, make things convenient for spring 10 to stretch out and draw back in the inside activity of flame retardant coating 4 and adapter sleeve 5, the opposite side and the splint 12 looks butt of cable core 8, spring 10, insulating bush 11 and clamp splice 12 all are provided with three groups, it is corresponding with three cable cores 8 of group.

The working principle is as follows: reference is made to fig. 1-3;

inserting the cable core 8 into the fastening sleeve 5, attaching one side of the cable core 8 to the abutting piece 7 on the outer side of the fixed core 6 while inserting the cable core 8, abutting the other side of the cable core 8 to the clamping block 12, pressing the clamping block 12 against the spring 10 after the clamping block 12 is subjected to pressing force, compressing the insulating sleeve 11 on the outer side together in the fireproof layer 4 and the fastening sleeve 5 when the spring 10 is compressed, and clamping and mounting the cable core 8 between the fastening sleeve 5 and the fixed core 6 by matching the abutting piece 7 through the tension of the spring 10;

meanwhile, the spring 10 on the outer side of the clamping block 12 can play a role in protection, when the cable is extruded by external force, the spring is firstly pressed, and then the cable is pressed to the inner cable core 8, the spring 10 already bears most of the external force, and the cable core 8 cannot be influenced by direct external force;

use the cable mounting, the inside strengthening rib 9 that sets up in lag 1 intermediate layer has increased the atress of cable, can reduce the influence of the inside cable core 8 of external force, and waterproof layer 3 can play waterproof effect, and the cable is used in outdoor installation and does not worry the rainwater and cause the influence to the cable, and flame retardant coating 4 can prevent that 8 short circuits of cable core from catching fire, has improved the security of cable when the installation is used.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the utility model, and such changes and modifications are within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (3)

1. A multi-core branch composite cable, comprising:

the protective sleeve comprises a protective sleeve (1), wherein an insulating layer (2) is arranged on the inner side of the protective sleeve (1), a waterproof layer (3) is arranged on the inner side of the insulating layer (2), a fireproof layer (4) is arranged on the inner side of the waterproof layer (3), a fastening sleeve (5) is arranged on the inner side of the fireproof layer (4), a fixing core (6) is arranged on the inner side of the fastening sleeve (5), three grooves are uniformly formed in the outer side of the fixing core (6), and abutting pieces (7) are arranged inside the grooves,

the surface of the abutting sheet (7) is provided with a cable core (8), the inner side of the waterproof layer (3) is provided with a spring (10), the other end of the spring (10) is provided with a clamping plate (12), the outer side of the spring (10) is provided with an insulating sleeve (11), and through holes matched with the insulating sleeve (11) are formed in the fireproof layer (4) and the fastening sleeve (5).

2. The multi-core branch combination cable as claimed in claim 1, wherein six sets of mounting holes are uniformly arranged in the interlayer of the protective sheath (1), and reinforcing ribs (9) are arranged in the six sets of mounting holes.

3. The multiple branch combination cable of claim 1, wherein: the other side of the cable core (8) is abutted against the clamping plate (12).

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