CN218866769U

CN218866769U - Cable with cable core fixed by flame-retardant foaming material and free of cabling

Info

Publication number: CN218866769U
Application number: CN202222380648.9U
Authority: CN
Inventors: 孙根仙; 马建强
Original assignee: Hangzhou Df Cable Co ltd
Current assignee: Hangzhou Df Cable Co ltd
Priority date: 2022-09-06
Filing date: 2022-09-06
Publication date: 2023-04-14
Anticipated expiration: 2032-09-06

Abstract

The utility model provides a fixed cable core of cable core exempts from cable with fire-retardant foaming material, relate to cable technical field, including rubber and plastic sheath, waterproof rubber tube, insulating layer and sinle silk, waterproof rubber tube establishes the inboard of rubber and plastic sheath, the insulating layer establishes the inboard of waterproof rubber tube, the sinle silk is equipped with the multiunit, and the sinle silk establishes the inboard of insulating layer, the sinle silk with fill fire-retardant foaming material between the insulating layer, the sinle silk is fixed through fire-retardant foaming material, the multiunit the intermediate position department of sinle silk is equipped with the inner strut frame, and the inner strut frame is used for supporting the multiunit the sinle silk, the inner strut frame is soft frame body; the utility model discloses a fire-retardant foaming material is integrated a plurality of sinle silks in the inside of insulating layer to fix a position through inner bracket support sinle silk, when production, only need to extrude fire-retardant foaming material through the extruding machine and can fix a plurality of sinle silks, avoided the step of multicore silk transposition stranding, improved the productivity effect.

Description

Cable with cable core fixed by flame-retardant foaming material and free of cabling

Technical Field

The utility model relates to the technical field of cables, especially, relate to a cable of stranding is exempted from with fixed cable core of fire-retardant foaming material.

Background

The cable plays an important role in electronic products and electronic systems, is a key link for connecting various functions of the electronic products, is widely applied to the fields of aerospace, maritime warships and the like, and exists in various different environments, so that the performance stability of the cable becomes the most main consideration factor for manufacturing and welding the cable, wherein the multi-core cable is one of the cables which are commonly used, namely a cable with more than one insulated wire core, so that the skin effect of the cable is reduced, and the loss of a line is reduced;

because the general production technology of multicore cable all needs to strand several cable cores together and be the stranding to need to increase the step of one step transposition stranding, increased manufacturing cost, consequently, the utility model provides a cable of stranding is exempted from with fixed cable core of fire-retardant foaming material is in order to solve the problem that exists among the prior art.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model provides a cable of stranding is exempted from to fixed cable core with fire-retardant foaming material, this cable of stranding is exempted from with fixed cable core of fire-retardant foaming material adopts fire-retardant foaming material to integrate a plurality of sinle silks in the inside of insulating layer to support the sinle silk through the inner strut and fix a position, avoided the step of many sinle silks transposition stranding, improved the productivity effect.

For realizing the purpose of the utility model, the utility model discloses a following technical scheme realizes: the utility model provides a fixed cable core of using fire-retardant foaming material exempts from cable laying's cable, includes rubber and plastic sheath, waterproof rubber tube, insulating layer and sinle silk, waterproof rubber tube establishes the inboard of rubber and plastic sheath, the insulating layer is established the inboard of waterproof rubber tube, the sinle silk is equipped with the multiunit, and the sinle silk establishes the inboard of insulating layer, the sinle silk with it has fire-retardant foaming material to fill between the insulating layer, the sinle silk is fixed through fire-retardant foaming material, and the intermediate position department of multiunit sinle silk is equipped with the inner strut frame, and the inner strut frame is used for supporting the multiunit sinle silk, the inner strut frame is soft support body, and the intermediate position department of inner strut frame inside is equipped with the gasbag strip;

the inner side of the insulating layer is provided with positioning grooves, the positioning grooves surround the circle center of the insulating layer, and a plurality of groups of positioning grooves are arranged at equal included angles, and the flame-retardant foaming material is filled into the positioning grooves.

The further improvement is that: the waterproof rubber pipe is characterized in that a filling groove is formed between the waterproof rubber pipe and the insulating layer, an elastic pipe is arranged inside the filling groove and is wavy, the waterproof rubber pipe is connected to the outer side of the elastic pipe, and the insulating layer is connected to the inner side of the elastic pipe.

The further improvement is that: the outside of insulating layer is equipped with first gluey ball, and first gluey ball centers on contained angle such as the centre of a circle of insulating layer is equipped with the multiunit, the inboard of waterproof rubber tube is equipped with the second and glues the ball, and the second glues the ball and centers on contained angle such as the centre of a circle of waterproof rubber tube is equipped with the multiunit, first gluey ball and second gluey ball card are gone into the contained angle inboard of elastic tube.

The further improvement is that: the inside in filling the groove is filled with flexible fire prevention mud, and flexible fire prevention mud fills into the contained angle inboard of elasticity pipe.

The further improvement is that: the rubber and plastic sheath is characterized in that slots are formed in the side wall of the rubber and plastic sheath, a plurality of groups of slots are arranged around the circle center of the rubber and plastic sheath at equal included angles, limiting grooves are communicated with the two sides of each slot, and flexible strips are inserted into the slots and the limiting grooves.

The further improvement is that: the surface of rubber and plastic sheath is equipped with embedded groove, and embedded groove equidistance is equipped with the multiunit, the inside of embedded groove is around being equipped with the tensile pipe of ripple, and the both sides of the tensile pipe of ripple are connected with the both sides of embedded inslot portion respectively.

The further improvement lies in that: the rubber and plastic sheath is bonded with a sealing rubber sheet through sealant, an inserting rod is arranged on the inner side of the sealing rubber sheet, the inner end of the inserting rod penetrates through the rubber and plastic sheath and the waterproof rubber pipe and is inserted into the insulating layer, and a temperature sensing probe is arranged at the inner end of the inserting rod.

The utility model has the advantages that:

1. the utility model discloses a fire-retardant foaming material is integrated a plurality of sinle silks in the inside of insulating layer to fix a position through inner strut support sinle silk, when production, only need extrude fire-retardant foaming material through the extruding machine and can fix a plurality of sinle silks, avoided the step of many sinle silks transposition stranding, improved the productivity effect.

2. The utility model discloses a wavy elastic tube supports in the inside of cable, provides elastic potential energy during pressurized, cooperates first gluey ball and second gluey ball to support in the inside of elastic tube, improves holistic pressurized performance, is difficult for the pressurized damage.

3. The utility model discloses establish pliable and tough strip in the interpolation of rubber and plastic sheath, be favorable to improving the holistic toughness of cable, the tensile pipe of ripple in the cooperation outside when the cable is crooked provides tensile space to and the effort that resets avoids cable fracture and deformation to damage.

Drawings

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

FIG. 2 is a schematic view of the structure at the position A of the present invention;

fig. 3 is a schematic side view of the present invention.

Wherein: 1. rubber plastic sheath; 2. a waterproof rubber tube; 3. an insulating layer; 4. a wire core; 5. a flame-retardant foaming material; 6. An inner support frame; 7. an air bag strip; 8. positioning a groove; 9. an elastic tube; 10. a first rubber ball; 11. a second rubber ball; 12. Flexible fire-proof mud; 13. inserting slots; 14. a limiting groove; 15. a flexible strip; 16. embedding a groove; 17. a corrugated stretch tube; 18. sealing the film; 19. a rod is inserted; 20. a temperature sensing probe.

Detailed Description

In order to deepen the understanding of the present invention, the following embodiments are combined to further detail the present invention, and the present embodiment is only used to explain the present invention, and does not constitute the limitation of the protection scope of the present invention.

Example one

According to the embodiments shown in fig. 1, 2 and 3, the embodiment provides a cable with a cable core fixed by a flame-retardant foaming material and free of cabling, which comprises a rubber and plastic sheath 1, a waterproof rubber tube 2, an insulating layer 3 and a cable core 4, wherein the waterproof rubber tube 2 is arranged on the inner side of the rubber and plastic sheath 1, the insulating layer 3 is arranged on the inner side of the waterproof rubber tube 2, the cable core 4 is provided with a plurality of groups, the cable core 4 is arranged on the inner side of the insulating layer 3, the flame-retardant foaming material 5 is filled between the cable core 4 and the insulating layer 3, the cable core 4 is fixed by the flame-retardant foaming material 5, an inner support frame 6 is arranged at the middle position of the cable core 4, the inner support frame 6 is used for supporting the plurality of groups of cable cores 4, the inner support frame 6 is a soft frame body, and an air bag strip 7 is arranged at the middle position inside the inner support frame 6;

the inboard of insulating layer 3 is equipped with constant head tank 8, and constant head tank 8 centers on the contained angle such as the centre of a circle of insulating layer 3 is equipped with the multiunit, fire-retardant foaming material 5 is filled constant head tank 8. During the use, adopt fire-retardant foaming material 5 to integrate a plurality of sinle silks 4 in the inside of insulating layer 3 to support sinle silk 4 through inner bracket 6 and fix a position, cooperate gasbag strip 7 to carry out shock attenuation protection to sinle silk 4, when production, fire-retardant foaming material 5 extrudes through the extruding machine and can fix a plurality of sinle silks 4, and the step of multiple sinle silks transposition stranding when having avoided the stranding production has improved the productivity effect.

Be equipped with the packing groove between waterproof rubber tube 2 and the insulating layer 3, and the inside of packing the groove is equipped with elastic tube 9, elastic tube 9 is the wave, waterproof rubber tube 2 is connected in the outside of elastic tube 9, and insulating layer 3 is connected to the inboard of elastic tube 9. The outside of insulating layer 3 is equipped with first gluey ball 10, and first gluey ball 10 centers on contained angle such as the centre of a circle of insulating layer 3 is equipped with the multiunit, the inboard of waterproof rubber tube 2 is equipped with second gluey ball 11, and second gluey ball 11 centers on contained angle such as the centre of a circle of waterproof rubber tube 2 is equipped with the multiunit, first gluey ball 10 and second gluey ball 11 card are gone into the contained angle inboard of elastic tube 9. During the use, support in the inside of cable through wavy elastic tube 9, provide elastic potential energy during the pressurized, support in elastic tube 9's inside with second rubber ball 11 to cooperate first rubber ball 10, improve holistic pressurized performance, be difficult for the pressurized damage.

The interior of the filling groove is filled with flexible fireproof mud 12, and the flexible fireproof mud 12 is filled into the inner side of the included angle of the elastic tube 9. When the fireproof cable is used, the flexible fireproof mud 12 is filled on two sides of the elastic tube 9, so that a flexible support is provided, elastic potential energy is guaranteed, the fireproof and flame-retardant effects can be achieved, the fireproof and waterproof effects can be achieved comprehensively by matching with the effect of the waterproof rubber tube 2, and the durability of the cable is improved.

The rubber and plastic sheath is characterized in that slots 13 are formed in the side wall of the rubber and plastic sheath 1, a plurality of groups of slots 13 are formed around the circle center of the rubber and plastic sheath 1 at equal included angles, limiting grooves 14 are communicated with the two sides of each slot 13, and flexible strips 15 are inserted into the slots 13 and the limiting grooves 14. The limiting groove 14 is used for clamping the flexible strip 15 in a rotation stopping manner, so that the flexible strip 15 is prevented from falling off, the flexible strip 15 is inserted in the rubber and plastic sheath 1, and the integral toughness of the cable is improved.

The surface of rubber and plastic sheath 1 is equipped with embedded groove 16, and embedded groove 16 equidistance is equipped with the multiunit, the inside of embedded groove 16 is equipped with corrugated stretching pipe 17 around, and corrugated stretching pipe 17's both sides are connected with the inside both sides of embedded groove 16 respectively. When the cable bending device is used, when the cable is bent, the corrugated stretching pipe 17 is used for providing stretching space and a resetting acting force, so that the cable is prevented from cracking and deforming and damaging.

Example two

According to fig. 1, the embodiment provides a cable with a cable core fixed by a flame-retardant foaming material and free of cabling, which includes a rubber and plastic sheath 1, a waterproof rubber tube 2, an insulating layer 3 and a cable core 4, wherein the waterproof rubber tube 2 is arranged on the inner side of the rubber and plastic sheath 1, the insulating layer 3 is arranged on the inner side of the waterproof rubber tube 2, the cable core 4 is provided with multiple groups, the cable core 4 is arranged on the inner side of the insulating layer 3, the flame-retardant foaming material 5 is filled between the cable core 4 and the insulating layer 3, the cable core 4 is fixed by the flame-retardant foaming material 5, an inner support frame 6 is arranged at the middle position of the multiple groups of cable cores 4, the inner support frame 6 is used for supporting the multiple groups of cable cores 4, the inner support frame 6 is a flexible frame body, and an air bag strip 7 is arranged at the middle position inside the inner support frame 6;

The rubber and plastic sheath 1 is bonded with a sealing rubber sheet 18 through a sealant, an inserting rod 19 is arranged on the inner side of the sealing rubber sheet 18, the inner end of the inserting rod 19 penetrates through the rubber and plastic sheath 1 and the waterproof rubber tube 2 and is inserted into the insulating layer 3, and a temperature sensing probe 20 is arranged at the inner end of the inserting rod 19. When the temperature-sensing cable is used, the temperature inside the cable is sensed by using the effect of the temperature-sensing probe 20, so that the condition inside the cable can be conveniently judged according to the temperature, and whether the cable is stable or not is judged.

This cable of stranding is exempted from to fixed cable core with fire-retardant foaming material adopts fire-retardant foaming material 5 to integrate a plurality of sinle silks 4 in the inside of insulating layer 3 to support sinle silk 4 through interior strut 6 and fix a position, cooperation gasbag strip 7 carries out shock attenuation protection to sinle silk 4, and when production, fire-retardant foaming material 5 extrudes through the extruding machine and can fix a plurality of sinle silks 4, and the step of the stranding of the sinle silks transposition when having avoided the stranding production has improved the productivity effect. And the corrugated elastic pipe 9 is supported in the cable, so that elastic potential energy is provided when the cable is pressed, and the corrugated elastic pipe is matched with the first rubber ball 10 and the second rubber ball 11 to be supported in the elastic pipe 9, so that the whole pressing performance is improved, and the cable is not easy to be damaged by pressing. Meanwhile, the flexible fireproof mud 12 is filled on two sides of the elastic tube 9, so that soft support is provided, elastic potential energy is guaranteed, fire prevention and flame retardance can be realized, and the durability of the cable is improved. In addition, establish flexible strip 15 in the interpolation of rubber and plastic sheath 1, be favorable to improving the holistic toughness of cable, the tensile pipe 17 of ripple in cooperation outside when the cable is crooked provides tensile space to and the effort that resets, avoids cable fracture and deformation to damage, the function is diversified.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a cable of stranding is exempted from to fixed cable core with fire-retardant foaming material, includes rubber and plastic sheath (1), waterproof rubber tube (2), insulating layer (3) and sinle silk (4), its characterized in that: the waterproof rubber tube (2) is arranged on the inner side of the rubber-plastic sheath (1), the insulating layer (3) is arranged on the inner side of the waterproof rubber tube (2), the wire cores (4) are provided with multiple groups, the wire cores (4) are arranged on the inner side of the insulating layer (3), flame-retardant foaming materials (5) are filled between the wire cores (4) and the insulating layer (3), the wire cores (4) are fixed through the flame-retardant foaming materials (5), the middle positions of the multiple groups of wire cores (4) are provided with inner support frames (6), the inner support frames (6) are used for supporting the multiple groups of wire cores (4), the inner support frames (6) are soft frame bodies, and the middle positions inside the inner support frames (6) are provided with air bag strips (7);

the inner side of the insulating layer (3) is provided with a positioning groove (8), the positioning groove (8) surrounds the circle center of the insulating layer (3) and is provided with a plurality of groups of equal included angles, and the flame-retardant foaming material (5) is filled into the positioning groove (8).

2. The cable of claim 1, wherein the cable core is fixed by the flame-retardant foaming material without cabling, and the cable is characterized in that: be equipped with the packing groove between waterproof rubber tube (2) and insulating layer (3), and the inside of packing groove is equipped with elastic tube (9), elastic tube (9) are the wave, waterproof rubber tube (2) are connected in the outside of elastic tube (9), and insulating layer (3) are connected to the inboard of elastic tube (9).

3. The cable of claim 2, wherein the cable core is fixed by the flame-retardant foaming material without cabling, and the cable is characterized in that: the outside of insulating layer (3) is equipped with first gluey ball (10), and first gluey ball (10) centers on contained angles such as the centre of a circle of insulating layer (3) are equipped with the multiunit, the inboard of waterproof rubber tube (2) is equipped with second gluey ball (11), and second gluey ball (11) centers on contained angles such as the centre of a circle of waterproof rubber tube (2) are equipped with the multiunit, first gluey ball (10) and second gluey ball (11) card are gone into the contained angle of elastic tube (9) is inboard.

4. The cable of claim 3, wherein the cable with the cable core fixed by the flame-retardant foaming material free of cabling is characterized in that: the inside in packing groove is filled with flexible fire prevention mud (12), and flexible fire prevention mud (12) packs into the contained angle of elasticity pipe (9) is inboard.

5. The cable of claim 1, wherein the cable core is fixed by the flame-retardant foaming material without cabling, and the cable is characterized in that: inside slot (13) that is equipped with of lateral wall of rubber and plastic sheath (1), and slot (13) center on the contained angle such as the centre of a circle of rubber and plastic sheath (1) is equipped with the multiunit, the both sides of slot (13) all communicate there are spacing groove (14), the inside of slot (13) and spacing groove (14) is inserted and is equipped with pliability strip (15).

6. The cable of claim 5, wherein the cable with the cable core fixed by the flame-retardant foaming material free of cabling is characterized in that: the surface of rubber and plastic sheath (1) is equipped with embedded groove (16), and embedded groove (16) equidistance is equipped with the multiunit, the inside of embedded groove (16) is around being equipped with tensile pipe of ripple (17), and the both sides of tensile pipe of ripple (17) are connected with the inside both sides of embedded groove (16) respectively.

7. The cable according to any one of claims 1 to 6, wherein the cable core is fixed by a flame-retardant foaming material without cabling, and the cable is characterized in that: rubber and plastic sheath (1) is gone up to bond through sealed glue has sealing film (18), and seals the inboard of film (18) and be equipped with inserted bar (19), the inner of inserted bar (19) runs through rubber and plastic sheath (1), waterproof rubber tube (2) and inserts and establish to insulating layer (3) in, and the inner of inserted bar (19) is equipped with temperature-sensing probe (20).