CN214541654U

CN214541654U - Waterproof cable

Info

Publication number: CN214541654U
Application number: CN202120991957.2U
Authority: CN
Inventors: 顾继宁; 王玉; 孙继才
Original assignee: Zhongde Senno Cable Co ltd
Current assignee: Zhongde Senno Cable Co ltd
Priority date: 2021-05-11
Filing date: 2021-05-11
Publication date: 2021-10-29
Anticipated expiration: 2031-05-11

Abstract

The utility model discloses a waterproof type cable, concretely relates to cable technical field, including a plurality of cable core, it is a plurality of cable core outer end all overlaps and is equipped with insulating cover, and is a plurality of cable core outer end cover is equipped with same magnetic screen cover, magnetic screen cover outer end cover is equipped with first stereoplasm pipe, first stereoplasm outside of tubes end is fixed and is equipped with a plurality of backup pads, second stereoplasm outside of tubes end cover is equipped with first water proof membrane, first water proof membrane outer end winding has the water-swelling sealing rod, water-swelling sealing rod outer end cover is equipped with the second water proof membrane, the fixed cover in second water proof membrane outer end is equipped with wear-resisting cover. The utility model discloses an utilize water inflation sealing rod and rainwater contact inflation to block up the gap of fracture to can prevent that the rainwater from entering into the utility model discloses an inside and cable core contact, thereby can improve the utility model discloses a waterproof nature, in order to prevent the utility model discloses because of meeting water and taking place the short circuit, thereby can prevent to influence normal power communication.

Description

Waterproof cable

Technical Field

The utility model relates to the technical field of cables, concretely relates to waterproof type cable.

Background

The most basic functions of the cable are to transmit power and transmit signals, to transmit power to mechanical equipment, and to transmit signals to automated machinery for control. The cable has wide application range, different cables are arranged in different fields, and the conventional cable comprises a power cable, a control cable and a compensation cable. Cables are generally made up of several or groups of wrapped cores. The cable has the biggest advantages of less occupied space and small difference of insulation distance between lines, if the cable is laid underground, the cable cannot occupy the space above the ground and is not influenced by the pollution of the surrounding environment, the power transmission is very reliable and safe, and the interference to the human body and the surrounding environment cannot be caused. Therefore, cables are often used in locations with dense population and heavy traffic, playing a very important role in modern construction.

The cable among the prior art can be in its outermost parcel one deck waterproof wear-resisting rubber sleeve more, can protect inside cable core rainwater erosion under the complete condition of rubber sleeve, but in case when outer rubber sleeve ageing fracture, rainwater around the cable will lead to the cable short circuit through the inside of ageing gap infiltration cable, and the cable of short circuit not only can influence normal power supply and communication, also arouses the conflagration simultaneously easily.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides a waterproof type cable blocks up the gap of fracture through utilizing water-swelling sealing rod and rainwater contact inflation to can prevent that the rainwater from entering into the utility model discloses an inside and cable core contact, thereby can improve the utility model discloses a waterproof nature, in order to prevent the utility model discloses take place the short circuit because of meeting water to can prevent to influence normal power communication, arouse the problem of cable short circuit because the rainwater infiltration that the ageing fracture of outside wear-resisting rubber sleeve leads to among the solution prior art.

In order to achieve the above object, the embodiment of the present invention provides the following technical solutions: the utility model provides a waterproof type cable, includes a plurality of cable core, and is a plurality of cable core outer end all overlaps and is equipped with insulating cover, and is a plurality of cable core outer end cover is equipped with same magnetic shield cover, magnetic shield cover outer end cover is equipped with first hard pipe, first hard pipe outer end is fixed and is equipped with a plurality of backup pads, and is a plurality of the backup pad distributes in first hard pipe outer end as central annular array with the centre of a circle of first hard pipe, and is a plurality of first hard pipe one side is kept away from to the backup pad and is fixed and be equipped with the hard pipe of second, the hard pipe outer end cover of second is equipped with first water proof membrane, the winding of first water proof membrane outer end has water-swelling sealing rod, water-swelling sealing rod outer end cover is equipped with the second water proof membrane, the fixed cover in second water proof membrane outer end is equipped with wear-resistant cover.

Furthermore, dry sand is filled between the first hard pipe and the second hard pipe, and the supporting plates are buried in the dry sand.

Further, gaps between the magnetic shielding sleeve and the insulating sleeves are filled with filling resin.

Further, the cable core is made by the copper line, the outer end of copper line has plated the one deck tin layer.

Further, the wear-resistant sleeve is made of polyvinyl chloride.

Further, the first waterproof membrane and the second waterproof membrane are both formed by polymerizing tetrafluoroethylene.

Further, the insulating sleeve is made of a polyethylene material.

Further, the magnetic shield sleeve is made of a copper braided strap.

The utility model has the advantages of as follows:

the utility model discloses an install many cable cores inside the second stereoplasm pipe and at the first water proof membrane of the outside parcel one deck of second stereoplasm pipe, utilize first water proof membrane to carry on waterproofly, and at first water proof membrane outer end winding one deck water swelling sealing rod, make water swelling sealing rod can contact with the rainwater when the wear-resisting cover fracture of outer end has the rainwater to infiltrate, can automatic inflation plug up the gap of fracture after water swelling sealing rod contacts with the rainwater, thereby can prevent that the rainwater from infiltrating to the utility model discloses an inside compares with prior art, can effectual improvement cable's water-proof effects, thereby can prevent that cable short circuit from catching fire, influence the condition of using.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

Fig. 1 is a schematic view of the overall structure provided by the present invention;

fig. 2 is a schematic structural view of the water-swelling sealing rod wound around the outer end of the first waterproof membrane;

fig. 3 is a schematic structural view of the first rigid tube and the support plate according to the present invention;

fig. 4 is an enlarged view of a in fig. 1 provided by the present invention;

fig. 5 is an enlarged view of B in fig. 2 according to the present invention.

In the figure: 1 cable conductor, 2 insulating cover, 3 magnetic screen cover, 4 first hard pipes, 5 backup pads, 6 second hard pipes, 7 first waterproof membrane, 8 water swelling sealing rod, 9 second waterproof membrane, 10 wear-resisting cover, 11 dry sand soil, 12 filling resin.

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to the attached drawings 1-5 of the specification, the waterproof cable of the embodiment comprises a plurality of cable cores 1, wherein the outer ends of the cable cores 1 are respectively sleeved with an insulating sleeve 2, the cable cores 1 can be insulated and protected by the insulating sleeves 2 to prevent electric leakage, the outer ends of the cable cores 1 are sleeved with a same magnetic shielding sleeve 3, the electromagnetic interference of the cable cores 1 in the signal transmission process can be shielded by the magnetic shielding sleeve 3, so that signals can be transmitted with high quality, the outer end of the magnetic shielding sleeve 3 is sleeved with a first hard tube 4, the inner part of the cable cores 1 can be supported by the first hard tube 4 to prevent the cable cores 1 from being damaged by extrusion, a plurality of supporting plates 5 are fixedly arranged at the outer end of the first hard tube 4, the inner part of the cable core device can also be supported by the supporting plates 5, and the cable cores 1 can be prevented from being damaged by extrusion, it is a plurality of backup pad 5 uses the centre of a circle of first hard pipe 4 to distribute in 4 outer ends of first hard pipe, a plurality of backup pad 5 is kept away from first hard pipe 4 one side and is fixed and be equipped with second

hard pipe

6, 6 outer end covers of second hard pipe are equipped with first water proof membrane 7, the winding of 7 outer ends of first water proof membrane has water swelling sealing rod 8, and water swelling sealing rod 8 twines uniformly in second

hard pipe

6 and 7 outer ends of first water proof membrane, can expand self when having water infiltration and block up the gap of fracture to can prevent the rainwater infiltration and cause the inside short circuit, the 8 outer end covers of water swelling sealing rod are equipped with second water proof membrane 9, the fixed cover of 9 outer ends of second water proof membrane is equipped with wear-resisting cover 10.

Cable core 1 is made by the copper line, one deck tin coating has been plated to the outer end of copper line, and tinned copper line can improve its life.

Wear-resisting cover 10 is made by polyvinyl chloride, and wear-resisting cover 10 that is supported by polyvinyl chloride has fire-retardant effect, can prolong when the conflagration takes place the utility model discloses a life.

The first waterproof membrane 7 and the second waterproof membrane 9 are both polymerized from tetrafluoroethylene.

The insulating sleeve 2 is made of polyethylene material, and the first waterproof membrane 7 and the second waterproof membrane 9 both made of polyethylene have quite high insulating resistance, so that a good insulating effect can be achieved.

Magnetic shield cover 3 is made by the copper braid over braid, and the copper braid over braid has better magnetic shield effect, can shield the electromagnetic interference of cable core 1 at the in-process of transmission signal for the signal can high-quality transmission.

The implementation scenario is specifically as follows: the design of the wear-resistant sleeve 10 can reduce the wear of the utility model during the laying process, when the wear-resistant sleeve 10 is aged and cracked, the second waterproof membrane 9 inside the wear-resistant sleeve 10 can prevent rainwater from entering the inside of the utility model, thereby playing a waterproof role, and when the second waterproof membrane 9 is damaged, the rainwater can contact with the water-swelling water stop strip 8 inside the second waterproof membrane 9, when the water-swelling water stop strip 8 contacts the rainwater, the rainwater can self-swell, because the inner side of the water-swelling water stop strip 8 is provided with the second hard tube 6 and the support plate 5 to support and limit, the water-swelling water stop strip 8 can be extruded outwards, thereby blocking the crack on the wear-resistant sleeve 10 to prevent the rainwater from permeating through the crack to permeate the inside of the utility model, thereby improving the waterproof effect of the utility model, thereby preventing the occurrence of cable short circuit and the influence on the use, this embodiment has specifically solved among the prior art because the rainwater infiltration that the ageing fracture of outside wear-resisting rubber sleeve leads to arouses the problem of cable short circuit.

Referring to the attached drawing 1 of the specification, the waterproof cable of this embodiment is filled with dry sand 11 between first hard pipe 4 and the second hard pipe 6, and is a plurality of backup pad 5 is all buried underground inside dry sand 11, and dry sand 11 can play fire-retardant effect to can improve the utility model discloses a fire resistance.

All pack in the gap between magnetic screen cover 3 and a plurality of insulating cover 2 and have filling resin 12, utilize filling resin 12 can fix a plurality of insulating covers 2 and cable core 1's position on the one hand, on the other hand also can improve through filling resin 12 the utility model discloses an insulating nature.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. The utility model provides a waterproof type cable, includes a plurality of cable core (1), its characterized in that: the outer ends of a plurality of cable cores (1) are respectively sleeved with an insulating sleeve (2), the outer ends of a plurality of cable cores (1) are respectively sleeved with a same magnetic shielding sleeve (3), the outer end of the magnetic shielding sleeve (3) is sleeved with a first hard tube (4), the outer end of the first hard tube (4) is fixedly provided with a plurality of supporting plates (5), the supporting plates (5) are distributed at the outer end of the first hard tube (4) in an annular array mode by taking the circle center of the first hard tube (4) as the center, one side, far away from the first hard tube (4), of the supporting plates (5) is fixedly provided with a second hard tube (6), the outer end of the second hard tube (6) is sleeved with a first waterproof membrane (7), the outer end of the first waterproof membrane (7) is wound with a water-swelling water stop strip (8), the outer end of the water-swelling water stop strip (8) is sleeved with a second waterproof membrane (9), and the outer end of the second waterproof membrane (9) is fixedly sleeved with a wear-resistant sleeve (10).

2. A water-resistant cable according to claim 1, characterized in that: and dry sand (11) is filled between the first hard pipe (4) and the second hard pipe (6), and the support plates (5) are buried in the dry sand (11).

3. A water-resistant cable according to claim 1, characterized in that: and filling resin (12) is filled in gaps between the magnetic shielding sleeve (3) and the insulating sleeves (2).

4. A water-resistant cable according to claim 1, characterized in that: the cable core (1) is made by the copper line, the outer end of copper line has plated the one deck tin layer.

5. A water-resistant cable according to claim 1, characterized in that: the wear-resistant sleeve (10) is made of polyvinyl chloride.

6. A water-resistant cable according to claim 1, characterized in that: the first waterproof membrane (7) and the second waterproof membrane (9) are both formed by polymerizing tetrafluoroethylene.

7. A water-resistant cable according to claim 1, characterized in that: the insulating sleeve (2) is made of polyethylene material.

8. A water-resistant cable according to claim 1, characterized in that: the magnetic shielding sleeve (3) is made of a copper braided belt.