CN214671885U

CN214671885U - Double-layer insulated power line

Info

Publication number: CN214671885U
Application number: CN202121435855.9U
Authority: CN
Inventors: 刘月婵
Original assignee: Huizhou Hengli Wire Co ltd
Current assignee: Huizhou Hengli Wire Co ltd
Priority date: 2021-06-28
Filing date: 2021-06-28
Publication date: 2021-11-09
Anticipated expiration: 2031-06-28

Abstract

The utility model discloses a double-layer insulated power cord, which comprises an outer insulating tube, wherein two sides of the outer insulating tube are provided with connecting ports, the outer wall of each connecting port is provided with connecting threads, one side of each connecting thread is provided with an anti-skid frosting layer, the inner wall of the outer insulating tube is connected with a first outer sheath, the inner wall of the first outer sheath is connected with a belting layer, the inner wall of the belting layer is connected with a magnesium hydroxide powder filling layer, the inner wall of the magnesium hydroxide powder filling layer is connected with an inner insulating tube, the outer wall of the inner insulating tube is connected with a lug, a groove is arranged between the two sets of lugs, the inner wall of the inner insulating tube is connected with a first power core layer, and the inner wall of the first power core layer is provided with a conductor. The double-layer insulated power cord can be used for safely and reliably using electricity, and the double-layer insulated power cord is guaranteed to be more practical.

Description

Double-layer insulated power line

Technical Field

The utility model relates to a power equipment technical field especially relates to a double-deck insulated power cord.

Background

The power line is a wire for transmitting current, the common current transmission mode is point-to-point transmission, the power line can be divided into an AC power line and a DC power line according to the purpose, the AC power line is a wire for passing AC with higher voltage, the wire can be formally produced by obtaining safety certification due to higher voltage and needing uniform standard, and the DC line basically passes DC with lower voltage, so that the safety requirement is not strict with the AC line, but the safety requirement is uniform safety certification in various countries.

There are the following problems:

traditional insulated power cord is single-deck insulated power cord mostly, and its performance and function remain to improve and insulating flame retardant property can't effectively stand by, exist even and do not possess flame retardant property to be unfavorable for safe power consumption, and can not adjust the length of its power cord, thereby when needs longer degree use, comparatively inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a double-layer insulated power line.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a double-layer insulated power line comprises an outer insulating pipe, wherein connecting ports are arranged on two sides of the outer insulating pipe, connecting threads are arranged on the outer wall of each connecting port, an anti-skid frosting layer is arranged on one side of each connecting thread, a first outer layer sheath is connected to the inner wall of the outer insulating pipe, a belting layer is connected to the inner wall of the first outer layer sheath, a magnesium hydroxide powder filling layer is connected to the inner wall of the belting layer, an inner insulating pipe is connected to the inner wall of the magnesium hydroxide powder filling layer, bumps are connected to the outer wall of the inner insulating pipe, grooves are formed between the two groups of bumps, a first power supply core layer is connected to the inner wall of the inner insulating pipe, conductors are arranged on the inner wall of the first power supply core layer, a connecting block is connected to the lower surface of the first outer layer sheath, a second outer layer sheath is arranged below the connecting block, and a second power supply core layer is connected to the center of the second outer layer sheath, and the outer wall of the outer insulating pipe is provided with a shrinkage sleeve.

As a further description of the above technical solution:

the anti-skid frosting pipe is characterized in that connecting ports are fixedly arranged on two sides of the outer insulating pipe, connecting threads are fixedly arranged on the outer wall of each connecting port, one side of each connecting thread is fixedly connected with the anti-skid frosting layer, and the width of each anti-skid frosting layer is equal to that of each connecting thread.

As a further description of the above technical solution:

the inner wall of the outer insulating pipe is connected with a first outer layer sheath in an inserting mode, the inner wall of the first outer layer sheath is connected with the belting layer in a clamping mode, and the first outer layer sheath is cylindrical.

As a further description of the above technical solution:

the inner wall of the belting layer is fixedly connected with a magnesium hydroxide powder filling layer, the magnesium hydroxide powder filling layer is bound on the inner insulating tube by the belting layer, the inner wall of the magnesium hydroxide powder filling layer is spliced with the inner insulating tube, the cross section of the inner insulating tube is in a gear shape, and the outer wall of the inner insulating tube is fixedly connected with the lug.

As a further description of the above technical solution:

two sets of fixed slot that is provided with between the adjacent of lug, the quantity of lug is a plurality of groups and is half circular structure, the inner wall and the first power sandwich layer joint of interior insulating tube.

As a further description of the above technical solution:

the inner wall of the first power supply core layer is connected with the conductor in an inserting mode, the lower surface of the first outer-layer sheath is connected with the connecting block in a clamping mode, and the lower portion of the connecting block is connected with the second outer-layer sheath in a clamping mode.

As a further description of the above technical solution:

the center of the second outer sheath is connected with the second power supply core layer in an inserting mode, the outer wall of the outer insulating tube is connected with the shrinkage sleeve in a sleeved mode, and the shrinkage sleeve is in a threaded shape.

The utility model discloses following beneficial effect has:

through the combined action of the structure connected with the outer insulating tube, the flame retardant is filled into the magnesium hydroxide powder filling layer, so that the flame retardant performance can be realized for the double-layer insulated power line, the safe and reliable electricity utilization can be realized, and the stronger practicability of the double-layer insulated power line can be ensured, thereby the requirements of civil nuclear facility projects on the flame retardant performance, the electrical performance, the mechanical radiation resistance and the long-term service life performance of a cable insulating layer can be met, the high-temperature operation can be adapted, the occurrence of power supply accidents can be effectively reduced, the personal safety is ensured, in addition, the power line can be contracted to a spring structure by adding the contraction sleeve on the outer wall of the double-layer insulated power line, the length of the power line can be randomly adjusted according to the using length, and under the condition of no external force, the contraction sleeve can contract the double-layer power line to the original state and can protect the electric wire, so that the structure is more perfect.

Drawings

Fig. 1 is an external view of a double-layer insulated power cord according to the present invention;

fig. 2 is a schematic view of an inner insulation tube structure of a double-layer insulation power line according to the present invention;

fig. 3 is a schematic view of a first power core layer of a double-layer insulated power cord according to the present invention;

fig. 4 is a schematic view of a shrinkage sleeve of a double-layer insulated power line according to the present invention.

Illustration of the drawings:

1. an outer insulating tube; 2. a connection port; 3. connecting threads; 4. an anti-skid frosting layer; 5. a first outer jacket; 6. a belting layer; 7. a magnesium hydroxide powder filling layer; 8. an inner insulating tube; 9. a bump; 10. a trench; 11. a first power supply core layer; 12. a conductor; 13. connecting blocks; 14. a second outer jacket; 15. a second power supply core layer; 16. and (4) shrinking the sleeve.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: a double-layer insulated power cord comprises an outer insulating tube 1, two sides of the outer insulating tube 1 are provided with connecting ports 2, the outer wall of each connecting port 2 is provided with a connecting thread 3, one side of each connecting thread 3 is provided with an anti-skidding frosting layer 4, the fixing capacity of a joint is increased, two groups of outer insulating tubes 1 which are grounded are prevented from being separated, the inner wall of each outer insulating tube 1 is connected with a first outer layer sheath 5, the mechanical physical property and the electrical property of the power cord are enhanced, the power cord has good properties such as ageing resistance and atmospheric resistance and has strong high-temperature and fire resistance, the inner wall of each first outer layer sheath 5 is connected with a wrapping layer 6, the inner wall of each wrapping layer 6 is connected with a magnesium hydroxide powder filling layer 7, the inner wall of each magnesium hydroxide powder filling layer 7 is connected with an inner insulating tube 8, the outer wall of each inner insulating tube 8 is connected with a lug 9, and a groove 10 is arranged between two groups of lugs 9, the inner wall of interior insulating tube 8 is connected with first power sandwich layer 11, the inner wall of first power sandwich layer 11 is provided with conductor 12, the lower surface of first outer sheath 5 is connected with connecting block 13, can avoid two sets of 8 direct contact of interior insulating tube, avoid the too big power cord that leads to of heat gathering to burn out, the below of connecting block 13 is provided with second outer sheath 14, the center department of second outer sheath 14 is connected with second power sandwich layer 15, the outer wall of outer insulating tube 1 is provided with shrink sleeve 16.

The anti-skid device is characterized in that two sides of an outer insulating pipe 1 are fixedly provided with connecting ports 2, the outer wall of each connecting port 2 is fixedly provided with connecting threads 3, one side of each connecting thread 3 is fixedly connected with an anti-skid frosted layer 4, the width of each anti-skid frosted layer 4 is equal to that of each connecting thread 3, the inner wall of the outer insulating pipe 1 is spliced with a first outer sheath 5, the inner wall of the first outer sheath 5 is clamped with a belting layer 6, the first outer sheath 5 is cylindrical and is convenient to connect with the first outer sheath 5, the inner wall of the belting layer 6 is fixedly connected with a magnesium hydroxide powder filling layer 7, the magnesium hydroxide powder filling layer 7 is bound on an inner insulating pipe 8 through the belting layer 6, the inner wall of the magnesium hydroxide powder filling layer 7 is spliced with the inner insulating pipe 8, the cross section of the inner insulating pipe 8 is in a gear shape, the outer wall of the inner insulating pipe 8 is fixedly connected with lugs 9, the structural stability is improved, grooves 10 are fixedly arranged between two groups of lugs 9, the quantity of lug 9 is a plurality of groups and is half circular structure, the inner wall and the 11 joint of first power supply sandwich layer of interior insulating tube 8, make the structure more perfect, the inner wall and the 12 grafting of conductor of first power supply sandwich layer 11, the lower surface and the connecting block 13 joint of first outer sheath 5, the below and the 14 joints of second outer sheath of connecting block 13, the center department and the 15 grafting of second power supply sandwich layer of second outer sheath 14, the outer wall and the shrink cover 16 of outer insulating tube 1 cup joint, the 16 shapes of shrink cover are the screw thread form.

The working principle is as follows: when the double-layer insulated power line is used, the first outer layer sheath 5 and the second outer layer sheath 14 are fixed inside the outer insulating tube 1, so that the first outer layer sheath 5 and the connecting block 13 at the center of the second outer layer sheath 14 are attached together, the irradiation type inner insulating tube 8 is arranged inside the first outer layer sheath 5, magnesium hydroxide powder is coated on the magnesium hydroxide powder filling layer 7 and surrounds the periphery of the inner insulating tube 8, the magnesium hydroxide powder bound on the inner insulating tube 8 through the belting layer 6 forms the magnesium hydroxide powder filling layer 7 on the inner insulating tube 8, the power line can effectively meet the technical specification requirements of electric wires used in daily life, the practicability is further enhanced, and the two groups of inner insulating tubes 8 can be prevented from being directly contacted through the connecting block 13 arranged between the first outer layer sheath 5 and the second outer layer sheath 14, avoid the power cord to burn out due to the excessive heat accumulation, when the external insulating tubes 1 need to be connected, the butt joint can be carried out through the connecting port 2, then the two groups of the butted external insulating tubes 1 are buckled, the external insulating tubes are tightly twisted through the connecting threads 3 arranged on the outer wall, the fixing capacity of the joint is increased through the arranged anti-skidding frosting layer 4, the two groups of the grounded external insulating tubes 1 are prevented from being separated, and the rapid wiring treatment is realized, compared with the single-layer double-layer insulating power cord, the mechanical physical property and the electrical property of the power cord are enhanced, the anti-aging performance, the atmosphere resistance and other excellent performances are enhanced, meanwhile, the high-temperature and fire resistance functions are stronger, the requirements of civil nuclear facility projects on the flame resistance, the electrical property, the mechanical property, the irradiation resistance and the long-term service life performance are met, the high-temperature operation is suitable, and the occurrence of power supply accidents can be effectively reduced, thereby ensured personal safety, and the shrink cover 16 that the outer wall of outer insulating tube 1 cup jointed can contract the power cord to spring structure, and uses length to adjust the length of its power cord wantonly according to the demand, again when having under the condition of external force, shrink cover 16 can contract its double-deck power cord to original state again, and can protect the electric wire for its structure is more perfect.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a double-deck insulating power cord, includes outer insulating tube (1), its characterized in that: the anti-skid anti-abrasion steel pipe is characterized in that connecting ports (2) are arranged on two sides of the outer insulating pipe (1), connecting threads (3) are arranged on the outer wall of each connecting port (2), an anti-skid abrasive layer (4) is arranged on one side of each connecting thread (3), a first outer sheath (5) is connected to the inner wall of the outer insulating pipe (1), a wrapping layer (6) is connected to the inner wall of the first outer sheath (5), a magnesium hydroxide powder filling layer (7) is connected to the inner wall of the wrapping layer (6), an inner insulating pipe (8) is connected to the inner wall of the magnesium hydroxide powder filling layer (7), bumps (9) are connected to the outer wall of the inner insulating pipe (8), grooves (10) are formed between two groups of bumps (9), a first power supply core layer (11) is connected to the inner wall of the inner insulating pipe (8), and a conductor (12) is arranged on the inner wall of the first power supply core layer (11), the lower surface of the first outer sheath (5) is connected with a connecting block (13), a second outer sheath (14) is arranged below the connecting block (13), the center of the second outer sheath (14) is connected with a second power supply core layer (15), and the outer wall of the outer insulating tube (1) is provided with a shrinkage sleeve (16).

2. The double-insulated power supply line of claim 1, wherein: the fixed connection port (2) that is provided with in both sides of outer insulating tube (1), the outer wall of connection port (2) is fixed and is provided with connecting thread (3), one side and anti-skidding dull polish layer (4) fixed connection of connecting thread (3), the width of anti-skidding dull polish layer (4) equals with the width of connecting thread (3).

3. The double-insulated power supply line of claim 1, wherein: the inner wall of the outer insulating pipe (1) is connected with a first outer layer sheath (5) in an inserting mode, the inner wall of the first outer layer sheath (5) is connected with a belting layer (6) in a clamping mode, and the first outer layer sheath (5) is cylindrical in shape.

4. The double-insulated power supply line of claim 1, wherein: the inner wall of the belting layer (6) is fixedly connected with a magnesium hydroxide powder filling layer (7), the magnesium hydroxide powder filling layer (7) is bound on an inner insulating tube (8) through the belting layer (6), the inner wall of the magnesium hydroxide powder filling layer (7) is spliced with the inner insulating tube (8), the cross section of the inner insulating tube (8) is in a gear shape, and the outer wall of the inner insulating tube (8) is fixedly connected with a bump (9).

5. The double-insulated power supply line of claim 1, wherein: two sets of fixed slot (10) that are provided with between the adjacent of lug (9), the quantity of lug (9) is a plurality of groups and is half circular structure, the inner wall and the first power sandwich layer (11) joint of interior insulating tube (8).

6. The double-insulated power supply line of claim 1, wherein: the inner wall of first power sandwich layer (11) is pegged graft with conductor (12), the lower surface and connecting block (13) joint of first outer sheath (5), the below and the joint of second outer sheath (14) of connecting block (13).

7. The double-insulated power supply line of claim 1, wherein: the center of the second outer sheath (14) is connected with the second power supply core layer (15) in an inserting mode, the outer wall of the outer insulating tube (1) is sleeved with a shrinkage sleeve (16), and the shrinkage sleeve (16) is in a threaded shape.