CN209962762U

CN209962762U - Power cable with good waterproof performance

Info

Publication number: CN209962762U
Application number: CN201920691730.9U
Authority: CN
Inventors: 高江涛; 肖云涛; 任西明
Original assignee: Western Alloy Cable Co Ltd
Current assignee: Western Alloy Cable Co Ltd
Priority date: 2019-05-14
Filing date: 2019-05-14
Publication date: 2020-01-17
Anticipated expiration: 2029-05-14

Abstract

The utility model discloses a power cable that waterproof performance is good, including cable main part and waterproof coupling mechanism, waterproof coupling mechanism is installed to the tip of cable main part, and cable main part and waterproof coupling mechanism constitute power cable that waterproof performance is good, connect through waterproof coupling mechanism between two cable main parts, and the cable main part includes cable core, enhancement layer and waterproof layer, and the outside parcel of cable core has the inner insulating layer, and the outside parcel of inner insulating layer has the enhancement layer, and the outside parcel of enhancement layer has the waterproof layer, the outside parcel of waterproof layer has the outer insulating layer. This power cable that waterproof performance is good, waterproof coupling mechanism improve the waterproof sealing performance of power cable junction, prevent that power cable joint from penetrating, and the cable main part comprises the multilayer is compound, and the sheath and the waterproof layer that block water have effectively improved the waterproof performance of cable main part, with the cooperation of waterproof coupling mechanism for the holistic life extension of power cable, the practicality is stronger.

Description

Power cable with good waterproof performance

Technical Field

The utility model relates to a power cable technical field specifically is a power cable that waterproof performance is good.

Background

The power cable is used for transmitting and distributing electric energy, and is commonly used for urban underground power grids, power station leading-out lines, power supply inside industrial and mining enterprises and power transmission lines under river-crossing seawater. In the power lines, the cable is increasing in specific gravity. But its waterproof nature of current power cable is relatively poor, and in long-term use, water permeates to the inside of cable along the cable conductor, especially in power cable's junction, because the damage in the power cable connector lug outside makes the infiltration phenomenon more serious, influences the holistic use of power cable, and the practicality is relatively poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a power cable that waterproof performance is good to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a power cable that waterproof performance is good, includes cable main part and waterproof coupling mechanism, waterproof coupling mechanism is installed to the tip of cable main part, the power cable that waterproof performance is good is constituteed to cable main part and waterproof coupling mechanism, two connect through waterproof coupling mechanism between the cable main part, the cable main part includes cable core, enhancement layer and waterproof layer, the outside parcel of cable core has the inner insulating layer, the outside parcel of inner insulating layer has the enhancement layer, the outside parcel of enhancement layer has the waterproof layer, the outside parcel of waterproof layer has the outer insulating layer.

Preferably, waterproof coupling mechanism includes first waterproof sheath and the waterproof sheath of second, first waterproof sheath and the waterproof sheath of second are fixed mounting respectively at the both ends of cable main part, the edge an organic whole of first waterproof sheath one side is provided with the arch, the edge that the waterproof sheath of second is close to protruding one side is seted up with protruding corresponding recess, the seal groove has been seted up on the first waterproof sheath, an organic whole is provided with the sealing washer corresponding with the seal groove on the waterproof sheath of second.

Preferably, the cable core includes cable conductor, the protective layer that blocks water, inoxidizing coating and strengthens the core, cable conductor is provided with threely, and is three the cable conductor outside parcel has the protective layer that blocks water, the outside parcel of the protective layer that blocks water has the inoxidizing coating, and is three the inboard fixed mounting of cable conductor has the enhancement core.

Preferably, the bulge is inserted into the groove, the sealing ring is inserted into the sealing groove, and the bulge and the groove and the sealing ring and the sealing groove are bonded and fixed through waterproof glue.

Preferably, the first waterproof jacket and the second waterproof jacket are both arranged in a conical structure.

Preferably, the outer surface of the outer insulating layer is coated with a waterproof coating.

The utility model provides a power cable that waterproof performance is good. Compared with the prior art, the method has the following beneficial effects:

1. this power cable that waterproof performance is good, simple structure, convenient to use, power cable comprises the waterproof coupling mechanism of cable main part and cable main part tip, utilizes arch and seal groove on the waterproof sheath of first waterproof sheath and recess and the sealing washer cooperation on the waterproof sheath of second, improves the waterproof sealing performance of power cable junction, prevents that power cable joint department from seeping water, guarantees the security of power cable connection.

2. This power cable that waterproof performance is good, power cable's cable main part is become by cable core, inner insulating layer, enhancement layer, waterproof layer and outer insulating layer multilayer complex, utilizes the sheath and the waterproof layer that block water on the cable core to effectively improve the waterproof performance of cable main part, strengthens the core and the structural strength that the enhancement layer improved the cable, and with the cooperation of waterproof coupling mechanism for the holistic life extension of power cable, the practicality is stronger.

Drawings

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

fig. 2 is a schematic structural view of the cable main body of the present invention;

fig. 3 is a schematic structural view of a cable core of the present invention;

fig. 4 is a schematic structural view of the waterproof connecting mechanism of the present invention.

In the figure: 1. a cable body; 2. a waterproof connecting mechanism; 21. a first waterproof jacket; 22. a second waterproof jacket; 23. a protrusion; 24. a groove; 25. a sealing groove; 26. a seal ring; 3. a cable core; 31. a cable conductor; 32. a water-blocking protective layer; 33. a protective layer; 34. reinforcing the core; 4. an inner insulating layer; 5. a reinforcing layer; 6. a waterproof layer; 7. an outer insulating layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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 fig. 1-4, the present invention provides a technical solution: the utility model provides a power cable that waterproof performance is good, includes cable main part 1 and waterproof coupling mechanism 2, waterproof coupling mechanism 2 is installed to the tip of cable main part 1, the power cable that waterproof performance is good is constituteed to cable main part 1 and waterproof coupling mechanism 2, two connect through waterproof coupling mechanism 2 between the cable main part 1, cable main part 1 includes cable core 3, enhancement layer 5 and waterproof layer 6, the outside parcel of cable core 3 has inner insulating layer 4, the outside parcel of inner insulating layer 4 has enhancement layer 5, the outside parcel of enhancement layer 5 has waterproof layer 6, the outside parcel of waterproof layer 6 has outer insulating layer 7.

The waterproof connecting mechanism 2 comprises a first waterproof sheath 21 and a second waterproof sheath 22, the first waterproof sheath 21 and the second waterproof sheath 22 are respectively and fixedly installed at two ends of the cable main body 1, a bulge 23 is integrally arranged at the edge of one side of the first waterproof sheath 21, a groove 24 corresponding to the bulge 23 is formed at the edge of one side, close to the bulge 23, of the second waterproof sheath 22, a sealing groove 25 is formed in the first waterproof sheath 21, a sealing ring 26 corresponding to the sealing groove 25 is integrally arranged on the second waterproof sheath 22, the cable core 3 comprises three cable conductors 31, a water-blocking protective layer 32, a protective layer 33 and a reinforcing core 34, the number of the cable conductors 31 is three, the water-blocking protective layer 32 is wrapped at the outer side of the three cable conductors 31, the protective layer 33 is wrapped at the outer side of the water-blocking protective layer 32, and the reinforcing core 34 is fixedly installed at the inner side, the arch 23 inserts inside recess 24, sealing washer 26 inserts inside seal groove 25, just it is fixed all to bond through waterproof glue between arch 23 and the recess 24 and between sealing washer 26 and the seal groove 25, and waterproof glue bonds fixedly stable, first waterproof sheath 21 and second waterproof sheath 22 all are conical structure setting, and the first waterproof sheath 21 and the second waterproof sheath 22 laminating degree that conical structure set up are higher, and leakproofness, waterproof nature are better, the surface of outer insulating layer 7 scribbles waterproof coating, strengthens outer insulating layer 7's waterproof performance.

The working principle is as follows: when in use, the two cable main bodies 1 are firstly connected, then the second waterproof sheath 22 on the cable main body 1 is inserted into the first waterproof sheath 21, so that the bulge 23 on the first waterproof sheath 21 is inserted into the groove 24 on the second waterproof sheath 22, the sealing ring 26 on the second waterproof sheath 22 is inserted into the sealing groove 25 on the first waterproof sheath 21, and when in insertion, the waterproof glue is used for bonding and fixing the first waterproof sheath, thereby the waterproof sealing connection between the cable main bodies 1 is realized by using the waterproof connecting mechanism 2, the sealing waterproof performance of the power cable connection position is improved, the water seepage at the power cable joint position is prevented, the connection safety of the power cable is ensured, the cable main body 1 of the power cable is composed of a plurality of layers of the cable core 3, the inner insulating layer 4, the reinforcing layer 5, the waterproof layer 6 and the outer insulating layer 7, and the waterproof performance of the cable main body 1 is effectively improved by using the waterproof protective layer 32 and the waterproof, strengthen core 34 and enhancement layer 5 and improve the structural strength of cable, with the cooperation of waterproof coupling mechanism 2 for the holistic life extension of power cable, the practicality is stronger.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A power cable with good waterproof performance is characterized in that: including cable main part (1) and waterproof coupling mechanism (2), waterproof coupling mechanism (2) are installed to the tip of cable main part (1), power cable that waterproof performance is good is constituteed to cable main part (1) and waterproof coupling mechanism (2), two connect through waterproof coupling mechanism (2) between cable main part (1), cable main part (1) includes cable core (3), enhancement layer (5) and waterproof layer (6), the outside parcel of cable core (3) has inner insulating layer (4), the outside parcel of inner insulating layer (4) has enhancement layer (5), the outside parcel of enhancement layer (5) has waterproof layer (6), the outside parcel of waterproof layer (6) has outer insulating layer (7).

2. A power cable with excellent waterproofness as defined in claim 1, wherein: waterproof coupling mechanism (2) include first waterproof sheath (21) and second waterproof sheath (22), first waterproof sheath (21) and second waterproof sheath (22) are fixed mounting respectively at the both ends of cable main part (1), the edge an organic whole of first waterproof sheath (21) one side is provided with arch (23), second waterproof sheath (22) are close to the edge of arch (23) one side and seted up recess (24) corresponding with arch (23), seal groove (25) have been seted up on first waterproof sheath (21), an organic whole is provided with sealing washer (26) corresponding with seal groove (25) on second waterproof sheath (22).

3. A power cable with excellent waterproofness as defined in claim 1, wherein: cable core (3) include cable conductor (31), the sheath that blocks water (32), inoxidizing coating (33) and strengthen core (34), cable conductor (31) are provided with threely, three cable conductor (31) outside parcel has the sheath that blocks water (32), the outside parcel of sheath that blocks water (32) has inoxidizing coating (33), and is three cable conductor (31) inboard fixed mounting has strengthens core (34).

4. A power cable with good waterproof performance according to claim 2, characterized in that: the bulge (23) is inserted into the groove (24), the sealing ring (26) is inserted into the sealing groove (25), and the bulge (23) and the groove (24) as well as the sealing ring (26) and the sealing groove (25) are fixedly bonded through waterproof glue.

5. A power cable with good waterproof performance according to claim 2, characterized in that: the first waterproof jacket (21) and the second waterproof jacket (22) are both arranged in a conical structure.

6. A power cable with excellent waterproofness as defined in claim 1, wherein: the outer surface of the outer insulating layer (7) is coated with waterproof paint.