CN212411598U - Power cable with simple structure - Google Patents
Power cable with simple structure Download PDFInfo
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- CN212411598U CN212411598U CN202021435028.5U CN202021435028U CN212411598U CN 212411598 U CN212411598 U CN 212411598U CN 202021435028 U CN202021435028 U CN 202021435028U CN 212411598 U CN212411598 U CN 212411598U
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Abstract
The application belongs to the technical field of cables, and relates to a power cable with a simple structure, which is provided with three power transmission units and an insulating part, and is characterized in that the insulating part is composed of three insulators, one ends of the three insulators are connected together, the other ends of the three insulators are connected together, an opening is formed between the three insulators, the three insulators are all part of a circular cylinder, a first cavity is arranged between the first insulator and the second insulator, a second cavity is arranged between the second insulator and the third insulator, a third cavity is arranged in the third insulator, the third cavity is communicated with the opening, the inner diameter of the first insulator is larger than that of the second insulator, and the inner diameter of the second insulator is larger than that of the third insulator; the first power transmission unit is in the first cavity, the second power transmission unit is in the second cavity, and the third power transmission unit is in the third cavity. This application has following main beneficial effect: the structure is simpler and more compact, the product diameter is smaller, the cost is lower, the weight is lighter, the construction is quicker, and the heat dissipation effect is more excellent.
Description
Technical Field
The utility model belongs to the technical field of cable and electric power, especially, relate to a power cable of simple structure.
Background
CN210606709U discloses a novel 35kV and following anticorrosive super three-core cable that blocks water of shoal, belongs to the cable manufacturing field, including three cable cores, the cable core is from interior to exterior and is equipped with circular central conductor, tile shape conductor layer, conductor shielding layer, insulating layer, semiconductor water blocking layer, metallic shield in proper order, and three cable cores are twisted together and are wrapped up with two-sided water blocking tape, the clearance between two-sided water blocking tape and the cable core is filled with the packing rope that blocks water, and two-sided water blocking tape outside package has the inner liner, and the inner liner is wrapped up with the anticorrosive restrictive coating, because the conductor is the tile shape in the tile shape conductor layer, the lateral surface is comparatively smooth to twist reverse very little that the monolithic tile shape conductor takes place during the twist, can not produce the burr, thereby guaranteed the electric conductive property of cable, solved current cable core conductor resistance grow after the twist, increased the problem of energy consumption.
CN209880251U discloses a fire-retardant armoured three-core medium voltage cable of low smoke and zero halogen, including the conductor that blocks water, conductor shielding layer, water-tree resistant insulating layer, insulation shielding layer, vertical water blocking layer, metallic shield layer, vertical water blocking layer, center filling core, extrusion filling + isolation layer, armor, the outer jacket that sets gradually from inside to outside. The utility model discloses the cable fire behavior that blocks water has concurrently, effectively solves armoured cable difficult to block water, the difficult low smoke and zero halogen fire-retardant and three-core cable of the difficult low smoke and indulge the difficult realization scheduling problem of package plastic-aluminum composite tape and metal sheath technology of cable that blocks water, has simple structure, processing convenience, with low costs, waterproof performance is excellent, advantages such as long service life.
CN208400592U discloses a three-core cable relates to the cable, and its technical scheme main points include three wires, three the wire outside cover has the insulating layer, insulating layer outside cover has the overcoat, the wire includes the copper core and is located the sheath in the copper core outside, the inside and outside both sides of insulating layer all are provided with looks just right V-arrangement groove, three the wire is the setting of article font, the V-arrangement groove is just to wire clearance department, the inside and outside both sides of sheath all are provided with the just right arc wall mutually. The conducting wire is only under the action of shearing force when the outer sleeve is stripped in the process of stripping the copper core, the insulating layer can play a role in protection, the conducting wire is not under the action of shearing force when the insulating layer and the protective layer are stripped, and the trouble that the copper core is sheared due to excessive force cannot occur.
The cable is formed by splicing a plurality of cylindrical insulated conductors, so that the diameter of the product is too large, the weight is too heavy, the cost is high, stripping and construction are inconvenient, and the heat dissipation effect is poor.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, the present invention discloses a power cable with a simple structure, which is realized by the following technical solution.
A power cable having a simple structure, comprising a first power transmission unit, a second power transmission unit, a third power transmission unit, and an insulating member, characterized in that: the insulating part is composed of a first insulator, a second insulator and a third insulator, wherein one ends of the first insulator, the second insulator and the third insulator are connected together to form an upper insulator combination part, the other ends of the first insulator, the second insulator and the third insulator are connected together to form a lower insulator combination part, an opening is formed between the upper insulator combination part and the lower insulator combination part, the first insulator, the second insulator and the third insulator are all part of a circular cylinder, a first cavity is formed between the first insulator and the second insulator, a second cavity is formed between the second insulator and the third insulator, a third cavity is arranged in the third insulator and communicated with the opening, the axes of the first insulator, the second insulator and the third insulator are in the same plane, and the inner diameter of the first insulator is larger than that of the second insulator, the inner diameter of the second insulator is larger than that of the third insulator, and the insulating part is of an integrated structure; the first power transmission unit is located in the first cavity, the second power transmission unit is located in the second cavity, and the third power transmission unit is located in the third cavity.
A power cable having a simple structure, comprising a first power transmission unit, a second power transmission unit, a third power transmission unit, an insulating member, and an engaging member, characterized in that: the insulating part is composed of a first insulator, a second insulator and a third insulator, wherein one ends of the first insulator, the second insulator and the third insulator are connected together to form an upper insulator combination part, the other ends of the first insulator, the second insulator and the third insulator are connected together to form a lower insulator combination part, an opening is formed between the upper insulator combination part and the lower insulator combination part, the first insulator, the second insulator and the third insulator are all part of a circular cylinder, a first cavity is formed between the first insulator and the second insulator, a second cavity is formed between the second insulator and the third insulator, a third cavity is arranged in the third insulator and communicated with the opening, the axes of the first insulator, the second insulator and the third insulator are in the same plane, and the inner diameter of the first insulator is larger than that of the second insulator, the inner diameter of the second insulator is larger than that of the third insulator, a first notch is formed in the edge of the upper combining part of the insulator and extends upwards from the opening, a second notch is formed in the edge of the lower combining part of the insulator and extends downwards from the opening, the outer edge of the first notch and the outer edge of the second notch are formed in the outer edge of the first insulator, and the insulating part is of an integrated structure; the clamping component is composed of a first clamping body, a second clamping body and a third clamping body, the third clamping body connects the first clamping body and the second clamping body, the first clamping body and the second clamping body are parts of a circular cylinder, the bending directions of the first clamping body and the second clamping body are the same, the first clamping body is divided into a first clamping body upper clamping part positioned at the upper part and a first clamping body lower clamping part positioned at the lower part by the third clamping body, the second clamping body is divided into a second clamping body upper clamping part positioned at the upper part and a second clamping body lower clamping part positioned at the lower part by the third clamping body, the first clamping body upper clamping part, the third clamping body and the second clamping body upper clamping part enclose an upper clamping cavity, the first clamping body lower clamping part, the third clamping body and the second clamping body lower clamping part enclose a lower clamping cavity, the inner edge of the first clamping body is positioned on the same cylindrical surface, the outer edge of the second clamping body is positioned on the same cylindrical surface, and the clamping parts are of an integrated structure; the first power transmission unit is positioned in the first cavity, the second power transmission unit is positioned in the second cavity, and the third power transmission unit is positioned in the third cavity; the first clamping body is located in the third cavity, the third clamping body is located in the opening, the second clamping body is located in the first notch and the second notch, the outer edge of the second clamping body and the outer edge of the first insulator are located on the same cylindrical surface, and the inner edge of the first clamping body and the outer edge of the third power transmission unit are located on the same cylindrical surface.
A power cable having a simple structure, comprising a first power transmission unit, a second power transmission unit, a third power transmission unit, an insulating member, and an engaging member, characterized in that: the insulating part is composed of a first insulator, a second insulator and a third insulator, wherein one ends of the first insulator, the second insulator and the third insulator are connected together to form an upper insulator combination part, the other ends of the first insulator, the second insulator and the third insulator are connected together to form a lower insulator combination part, an opening is formed between the upper insulator combination part and the lower insulator combination part, the first insulator, the second insulator and the third insulator are all part of a circular cylinder, a first cavity is formed between the first insulator and the second insulator, a second cavity is formed between the second insulator and the third insulator, a third cavity is arranged in the third insulator and communicated with the opening, the axes of the first insulator, the second insulator and the third insulator are in the same plane, and the inner diameter of the first insulator is larger than that of the second insulator, the inner diameter of the second insulator is larger than that of the third insulator, and the insulating part is of an integrated structure; the clamping component is composed of a first clamping body, a second clamping body and a third clamping body, the third clamping body connects the first clamping body and the second clamping body, the first clamping body and the second clamping body are parts of a circular cylinder, the bending directions of the first clamping body and the second clamping body are the same, the first clamping body is divided into a first clamping body upper clamping part positioned at the upper part and a first clamping body lower clamping part positioned at the lower part by the third clamping body, the second clamping body is divided into a second clamping body upper clamping part positioned at the upper part and a second clamping body lower clamping part positioned at the lower part by the third clamping body, the first clamping body upper clamping part, the third clamping body and the second clamping body upper clamping part enclose an upper clamping cavity, the first clamping body lower clamping part, the third clamping body and the second clamping body lower clamping part enclose a lower clamping cavity, the inner edge of the first clamping body is positioned on the same cylindrical surface, the outer edge of the second clamping body is positioned on the same cylindrical surface, and the clamping parts are of an integrated structure; the first power transmission unit is positioned in the first cavity, the second power transmission unit is positioned in the second cavity, and the third power transmission unit is positioned in the third cavity; the first clamping body is located in the third cavity, the third clamping body is located in the opening, the second clamping body is located outside the first insulator, the inner edge of the second clamping body is attached to the outer edge of the first insulator, and the inner edge of the first clamping body and the outer edge of the third power transmission unit are on the same cylindrical surface.
Further, the power cable with a simple structure is different in that: and an insulating sleeve is further coated outside the third power transmission unit.
The power cable with the simple structure is characterized in that the insulating sleeve is made of low-density polyethylene or medium-density polyethylene or high-density polyethylene or polyvinyl chloride or low-smoke halogen-free polyethylene or TPE or TPU or polypropylene or polytetrafluoroethylene or polybutylene terephthalate.
A power cable with a simple structure as in any one of the above embodiments, wherein the cross section of the first cavity is crescent-shaped.
A power cable with a simple structure as in any one of the above embodiments, wherein the cross section of the second cavity is crescent-shaped.
A power cable of simple construction as in any one of the preceding embodiments, characterized in that said third cavity is cylindrical.
A power cable with a simple structure as in any one of the above embodiments, characterized in that the cross section of the first power transmission unit is crescent-shaped.
A power cable with a simple structure as in any one of the above embodiments, wherein the cross section of the second power transmission unit is crescent-shaped.
A power cable of simple construction according to any of the preceding embodiments, characterized in that said third power transmission element is cylindrical.
A power cable with a simple structure as in any one of the above embodiments, wherein the first power transmission unit, the second power transmission unit, and the third power transmission unit are all bare conductors.
A power cable with a simple structure according to any of the above embodiments is characterized in that the first power transmission unit, the second power transmission unit and the third power transmission unit are formed by twisting a plurality of thin conductors or casting conductors or by pulling or drawing.
A power cable with a simple structure as in any one of the above embodiments, wherein the material of the bare conductor is copper or aluminum or an alloy.
The power cable with a simple structure according to any one of the above embodiments is characterized in that the first power transmission unit, the second power transmission unit, and the third power transmission unit may further include a conductor and an insulating material coated outside the conductor.
A power cable with a simple structure as in any one of the above embodiments, wherein the insulating member is made of low-density polyethylene or medium-density polyethylene or high-density polyethylene or polyvinyl chloride or low-smoke halogen-free polyethylene or TPE or TPU or polypropylene or polytetrafluoroethylene or polybutylene terephthalate.
The utility model discloses following main beneficial effect has: the structure is simpler and more compact, the product diameter is smaller, the cost is lower, the weight is lighter, the construction is quicker, and the heat dissipation effect is more excellent.
Drawings
Fig. 1 is a schematic perspective view of a section of an insulation member used in example 1.
Fig. 2 is an enlarged cross-sectional structure diagram of fig. 1.
Fig. 3 is a schematic perspective view of a dissected segment of the example 1.
Fig. 4 is an enlarged cross-sectional view of fig. 3.
Fig. 5 is a schematic perspective view of a section of an insulation member used in example 2.
Fig. 6 is an enlarged cross-sectional view of fig. 5.
FIG. 7 is a perspective view of a portion of an anatomical structure of a snap-fit member used in accordance with example 2.
Fig. 8 is an enlarged cross-sectional view of fig. 7.
Fig. 9 is a schematic perspective view of a dissected segment of the example 2.
Fig. 10 is an enlarged cross-sectional view of fig. 9.
Fig. 11 is a schematic perspective view of a dissected segment of the example 3.
Fig. 12 is an enlarged cross-sectional view of fig. 11.
Fig. 13 is a schematic perspective view of a dissected segment of the example 4.
Fig. 14 is an enlarged cross-sectional view of fig. 13.
In order that those skilled in the art will more accurately and clearly understand and practice the present application, reference is now made to the following descriptions taken in conjunction with the accompanying drawings, in which: 1-insulating member, 11-first insulating member, 12-second insulating member, 13-third insulating member, 14-opening, 112-first cavity, 123-second cavity, 134-third cavity, 1123-insulator upper coupling portion, 1223-insulator lower coupling portion, 21-first power transmission unit, 23-second power transmission unit, 34-third power transmission unit, 11231-first notch, 12231-second notch, 3-engaging member, 31-first engaging body, 32-second engaging body, 33-upper engaging cavity, 36-lower engaging cavity, 35-third engaging body, 311-first engaging body upper engaging portion, 312-first engaging body lower engaging portion, 321-second engaging body upper engaging portion, 322-second engaging body lower engaging portion, 341-insulating sleeve.
Detailed Description
Examples 1
Referring to fig. 1 to 4, a power cable of a simple structure having a first power transmission unit 21, a second power transmission unit 23, a third power transmission unit 34, and an insulating member 1, includes: the insulating member 1 is composed of a first insulator 11, a second insulator 12, and a third insulator 13, one end of the first insulator 11, the second insulator 12, and the third insulator 13 are connected to form an upper insulator coupling portion 1123, the other end of the first insulator 11, the second insulator 12, and the third insulator 13 are connected to form a lower insulator coupling portion 1223, an opening 14 is formed between the upper insulator coupling portion 1123 and the lower insulator coupling portion 1223, the first insulator 11, the second insulator 12, and the third insulator 13 are all part of a circular ring cylinder, a first cavity 112 is formed between the first insulator 11 and the second insulator 12, a second cavity 123 is formed between the second insulator 12 and the third insulator 13, a third cavity 134 is provided inside the third insulator 13, the third cavity 134 is communicated with the opening 14, the first insulator 11, the second insulator 12, the third insulator 13, The axes of the third insulator 13 are in the same plane, the inner diameter of the first insulator 11 is larger than that of the second insulator 12, the inner diameter of the second insulator 12 is larger than that of the third insulator 13, and the insulating part 1 is of an integrated structure; the first power transmission unit 21 is located in the first cavity 112, the second power transmission unit 23 is located in the second cavity 123, and the third power transmission unit 34 is located in the third cavity 134.
EXAMPLES example 2
Referring to fig. 5 to 10, a power cable having a simple structure includes first power transmission unit 21, second power transmission unit 23, third power transmission unit 34, insulating member 1, and engaging member 3, and is characterized in that: the insulating member 1 is composed of a first insulator 11, a second insulator 12, and a third insulator 13, wherein one end of the first insulator 11, the second insulator 12, and the third insulator 13 are connected to form an upper insulator coupling portion 1123, the other end of the first insulator 11, the second insulator 12, and the third insulator 13 are connected to form a lower insulator coupling portion 1223, an opening 14 is formed between the upper insulator coupling portion 1123 and the lower insulator coupling portion 1223, the first insulator 11, the second insulator 12, and the third insulator 13 are all part of a circular ring cylinder, a first cavity 112 is formed between the first insulator 11 and the second insulator 12, a second cavity 123 is formed between the second insulator 12 and the third insulator 13, a third cavity 134 is provided inside the third insulator 13, the third cavity 134 is communicated with the opening 14, the first insulator 11, the second insulator 12, and the third insulator 13 are connected to form a lower insulator coupling portion 1223, and the opening 14 is formed between the second insulator 12 and the third insulator 13, and the third insulator 134 is communicated with the, The axes of the third insulator 13 are in the same plane, the inner diameter of the first insulator 11 is larger than the inner diameter of the second insulator 12, the inner diameter of the second insulator 12 is larger than the inner diameter of the third insulator 13, the edge of the insulator upper combining part 1123 is provided with a first notch 11231, the first notch 11231 extends upwards from the opening 14, the edge of the insulator lower combining part 1223 is provided with a second notch 12231, the second notch 12231 extends downwards from the opening 14, the outer edge of the first notch 11231 and the outer edge of the second notch 12231 are arranged on the outer edge a of the first insulator 11, and the insulating part 1 is of an integrated structure;
the engaging member 3 is composed of a first engaging body 31, a second engaging body 32, and a third engaging body 35, the third engaging body 35 connects the first engaging body 31 and the second engaging body 32, the first engaging body 31 and the second engaging body 32 are both part of a circular cylinder, the first engaging body 31 and the second engaging body 32 are bent in the same direction, the first engaging body 31 is divided into an upper first engaging body upper engaging portion 311 and a lower first engaging body lower engaging portion 312 by the third engaging body 35, the second engaging body 32 is divided into an upper second engaging body upper engaging portion 321 and a lower second engaging body lower engaging portion 322 by the third engaging body 35, the upper first engaging body 311, the third engaging body 35, and the second engaging body upper engaging portion 321 enclose an upper engaging cavity 33, the lower first engaging body 312, the third engaging body 35, and the second engaging body lower engaging body engaging portion 322 enclose a lower engaging cavity 36, the inner edge of the first clamping body 31 is positioned on the same cylindrical surface B, the outer edge of the second clamping body 32 is positioned on the same cylindrical surface C, and the clamping components are of an integrated structure;
the first power transmission unit 21 is located in the first cavity 112, the second power transmission unit 23 is located in the second cavity 123, and the third power transmission unit 34 is located in the third cavity 134;
the first engaging body 31 is located in the third cavity 134, the third engaging body 35 is located in the opening 14, the second engaging body 32 is located in the first notch 11231 and the second notch 12231, the outer edge of the second engaging body 32 is located on the same cylindrical surface as the outer edge of the first insulator 11, and the inner edge of the first engaging body 31 is located on the same cylindrical surface as the outer edge of the third power transmission unit 34.
EXAMPLE 3
Referring to fig. 11 and 12, and to fig. 5 to 10, a power cable of a simple structure having a first power transmission unit 21, a second power transmission unit 23, a third power transmission unit 34, an insulating member 1, and an engaging member 3, is characterized in that: the insulating member 1 is composed of a first insulator 11, a second insulator 12, and a third insulator 13, wherein one end of the first insulator 11, the second insulator 12, and the third insulator 13 are connected to form an upper insulator coupling portion 1123, the other end of the first insulator 11, the second insulator 12, and the third insulator 13 are connected to form a lower insulator coupling portion 1223, an opening 14 is formed between the upper insulator coupling portion 1123 and the lower insulator coupling portion 1223, the first insulator 11, the second insulator 12, and the third insulator 13 are all part of a circular ring cylinder, a first cavity 112 is formed between the first insulator 11 and the second insulator 12, a second cavity 123 is formed between the second insulator 12 and the third insulator 13, a third cavity 134 is provided inside the third insulator 13, the third cavity 134 is communicated with the opening 14, the first insulator 11, the second insulator 12, and the third insulator 13 are connected to form a lower insulator coupling portion 1223, and the opening 14 is formed between the second insulator 12 and the third insulator 13, and the third insulator 134 is communicated with the, The axes of the third insulator 13 are in the same plane, the inner diameter of the first insulator 11 is larger than that of the second insulator 12, the inner diameter of the second insulator 12 is larger than that of the third insulator 13, and the insulating part 1 is of an integrated structure;
the engaging member 3 is composed of a first engaging body 31, a second engaging body 32, and a third engaging body 35, the third engaging body 35 connects the first engaging body 31 and the second engaging body 32, the first engaging body 31 and the second engaging body 32 are both part of a circular cylinder, the first engaging body 31 and the second engaging body 32 are bent in the same direction, the first engaging body 31 is divided into an upper first engaging body upper engaging portion 311 and a lower first engaging body lower engaging portion 312 by the third engaging body 35, the second engaging body 32 is divided into an upper second engaging body upper engaging portion 321 and a lower second engaging body lower engaging portion 322 by the third engaging body 35, the upper first engaging body 311, the third engaging body 35, and the second engaging body upper engaging portion 321 enclose an upper engaging cavity 33, the lower first engaging body 312, the third engaging body 35, and the second engaging body lower engaging body engaging portion 322 enclose a lower engaging cavity 36, the inner edge of the first clamping body 31 is positioned on the same cylindrical surface B, the outer edge of the second clamping body 32 is positioned on the same cylindrical surface C, and the clamping components are of an integrated structure;
the first power transmission unit 21 is located in the first cavity 112, the second power transmission unit 23 is located in the second cavity 123, and the third power transmission unit 34 is located in the third cavity 134;
the first engaging member 31 is located in the third cavity 134, the third engaging member 35 is located in the opening 14, the second engaging member 32 is located outside the first insulator 11, the inner edge of the second engaging member 32 is attached to the outer edge of the first insulator 11, and the inner edge of the first engaging member 31 and the outer edge of the third power transmission unit 34 are on the same cylindrical surface.
EXAMPLE 4
Referring to fig. 13 and 14, and fig. 1 to 4, a power cable with a simple structure is substantially the same as embodiment 1, except that: the third power transmission unit 34 is further covered with an insulating sleeve 341.
The power cable with the simple structure is characterized in that the insulating sleeve is made of low-density polyethylene or medium-density polyethylene or high-density polyethylene or polyvinyl chloride or low-smoke halogen-free polyethylene or TPE or TPU or polypropylene or polytetrafluoroethylene or polybutylene terephthalate.
A power cable with a simple structure as in any one of the above embodiments, wherein the cross-section of the first cavity 112 is crescent-shaped.
A power cable with a simple structure as in any one of the above embodiments, wherein the cross-section of the second cavity 123 is crescent-shaped.
A power cable with a simple structure as in any one of the above embodiments, wherein the third cavity 134 is cylindrical.
A power cable with a simple structure as in any of the above embodiments, characterized in that the cross section of the first power transmission unit 21 is crescent-shaped.
A power cable with a simple structure as in any of the above embodiments, characterized in that the cross section of the second power transmission unit 23 is crescent-shaped.
A power cable of simple construction according to any of the above-mentioned embodiments, characterized in that said third power transmission element 34 has a cylindrical shape.
A power cable with a simple structure according to any of the above embodiments is characterized in that first power transmission unit 21, second power transmission unit 23, and third power transmission unit 34 are all bare conductors.
A power cable with a simple structure according to any of the above embodiments is characterized in that the first power transmission unit 21, the second power transmission unit 23, and the third power transmission unit 34 are formed by twisting or casting a plurality of thin conductors or by pulling or drawing wires.
A power cable with a simple structure as in any one of the above embodiments, wherein the material of the bare conductor is copper or aluminum or an alloy.
A power cable with a simple structure according to any of the above embodiments is characterized in that the first power transmission unit 21, the second power transmission unit 23, and the third power transmission unit 34 may further include a conductor and an insulating material covering the conductor.
A power cable with a simple structure as in any one of the above embodiments, wherein the insulating member is made of low-density polyethylene or medium-density polyethylene or high-density polyethylene or polyvinyl chloride or low-smoke halogen-free polyethylene or TPE or TPU or polypropylene or polytetrafluoroethylene or polybutylene terephthalate.
In this application, whole cable is the cylinder shape, be convenient for the installation, coil, can not warp in coiling, the outward appearance is more round and more complete, pleasing to the eye, and the structure is compacter moreover simpler, the product diameter is littleer, the cost is lower, weight is lighter, it is more convenient to open to shell, the construction is more swift, because there is the messenger radiating effect of open-ended better.
The utility model discloses following main beneficial effect has: the structure is simpler and more compact, the product diameter is smaller, the cost is lower, the weight is lighter, the construction is quicker, and the heat dissipation effect is more excellent.
The above-mentioned embodiments are merely preferred technical solutions of the present invention, and should not be construed as limitations of the present invention. The protection scope of the present invention shall be defined by the claims and the technical solutions described in the claims, including the technical features of the equivalent alternatives as the protection scope. Namely, equivalent alterations and modifications within the scope of the invention are also within the scope of the invention.
Claims (10)
1. A power cable having a simple structure, comprising a first power transmission unit (21), a second power transmission unit (23), a third power transmission unit (34), and an insulating member (1), characterized in that: the insulating part (1) is composed of a first insulator (11), a second insulator (12) and a third insulator (13), one ends of the first insulator (11), the second insulator (12) and the third insulator (13) are connected together to form an upper insulator combination part (1123), the other ends of the first insulator (11), the second insulator (12) and the third insulator (13) are connected together to form a lower insulator combination part (1223), an opening (14) is formed between the upper insulator combination part (1123) and the lower insulator combination part (1223), the first insulator (11), the second insulator (12) and the third insulator (13) are parts of a circular cylinder, a first cavity (112) is formed between the first insulator (11) and the second insulator (12), and a second cavity (123) is formed between the second insulator (12) and the third insulator (13), a third cavity (134) is formed in the third insulator (13), the third cavity (134) is communicated with the opening (14), the axes of the first insulator (11), the second insulator (12) and the third insulator (13) are in the same plane, the inner diameter of the first insulator (11) is larger than that of the second insulator (12), the inner diameter of the second insulator (12) is larger than that of the third insulator (13), and the insulating part (1) is of an integrated structure; the first power transmission unit (21) is located in the first cavity (112), the second power transmission unit (23) is located in the second cavity (123), and the third power transmission unit (34) is located in the third cavity (134).
2. A power cable with a simple structure, comprising a first power transmission unit (21), a second power transmission unit (23), a third power transmission unit (34), an insulating member (1), and an engaging member (3), characterized in that: the insulating part (1) is composed of a first insulator (11), a second insulator (12) and a third insulator (13), one ends of the first insulator (11), the second insulator (12) and the third insulator (13) are connected together to form an upper insulator combination part (1123), the other ends of the first insulator (11), the second insulator (12) and the third insulator (13) are connected together to form a lower insulator combination part (1223), an opening (14) is formed between the upper insulator combination part (1123) and the lower insulator combination part (1223), the first insulator (11), the second insulator (12) and the third insulator (13) are parts of a circular ring cylinder, a first cavity (112) is formed between the first insulator (11) and the second insulator (12), and a second cavity (123) is formed between the second insulator (12) and the third insulator (13), the third insulator (13) is internally provided with a third cavity (134), the third cavity (134) is communicated with the opening (14), the first insulator (11) and the second insulator (12), the axes of the third insulator (13) are in the same plane, the inner diameter of the first insulator (11) is larger than that of the second insulator (12), the inner diameter of the second insulator (12) is larger than that of the third insulator (13), a first notch (11231) is formed in the edge of an upper insulator combining part (1123), the first notch (11231) extends upwards from the opening (14), a second notch (12231) is formed in the edge of a lower insulator combining part (1223), the second notch (12231) extends downwards from the opening (14), the outer edge of the first notch (11231) and the outer edge of the second notch (12231) are arranged on the outer edge of the first insulator (11), and the insulating part (1) is of an integrated structure; the clamping component (3) is composed of a first clamping body (31), a second clamping body (32) and a third clamping body (35), the third clamping body (35) connects the first clamping body (31) and the second clamping body (32), the first clamping body (31) and the second clamping body (32) are parts of a circular cylinder, the bending directions of the first clamping body (31) and the second clamping body (32) are the same, the first clamping body (31) is divided into a first clamping body upper clamping part (311) positioned at the upper part and a first clamping body lower clamping part (312) positioned at the lower part by the third clamping body (35), the second clamping body (32) is divided into a second clamping body upper clamping part (321) positioned at the upper part and a second clamping body lower clamping part (322) positioned at the lower part by the third clamping body (35), the first clamping body upper clamping part (311), the third clamping body (35) and the third clamping body (35) are arranged in a clamping body mode, and the first clamping body upper clamping part (311) and the second clamping body (32) are, The upper clamping cavity (33) is defined by the upper clamping part (321) of the second clamping body, the lower clamping cavity (36) is defined by the lower clamping part (312), the third clamping body (35) and the lower clamping part (322) of the first clamping body, the inner edge of the first clamping body (31) is positioned on the same cylindrical surface, the outer edge of the second clamping body (32) is positioned on the same cylindrical surface, and the clamping parts are of an integrated structure; the first power transmission unit (21) is positioned in the first cavity (112), the second power transmission unit (23) is positioned in the second cavity (123), and the third power transmission unit (34) is positioned in the third cavity (134); the first clamping body (31) is positioned in the third cavity (134), the third clamping body (35) is positioned in the opening (14), the second clamping body (32) is positioned in the first notch (11231) and the second notch (12231), the outer edge of the second clamping body (32) and the outer edge of the first insulator (11) are on the same cylindrical surface, and the inner edge of the first clamping body (31) and the outer edge of the third power transmission unit (34) are on the same cylindrical surface.
3. A power cable with a simple structure, comprising a first power transmission unit (21), a second power transmission unit (23), a third power transmission unit (34), an insulating member (1), and an engaging member (3), characterized in that: the insulating part (1) is composed of a first insulator (11), a second insulator (12) and a third insulator (13), one ends of the first insulator (11), the second insulator (12) and the third insulator (13) are connected together to form an upper insulator combination part (1123), the other ends of the first insulator (11), the second insulator (12) and the third insulator (13) are connected together to form a lower insulator combination part (1223), an opening (14) is formed between the upper insulator combination part (1123) and the lower insulator combination part (1223), the first insulator (11), the second insulator (12) and the third insulator (13) are parts of a circular ring cylinder, a first cavity (112) is formed between the first insulator (11) and the second insulator (12), and a second cavity (123) is formed between the second insulator (12) and the third insulator (13), a third cavity (134) is formed in the third insulator (13), the third cavity (134) is communicated with the opening (14), the axes of the first insulator (11), the second insulator (12) and the third insulator (13) are in the same plane, the inner diameter of the first insulator (11) is larger than that of the second insulator (12), the inner diameter of the second insulator (12) is larger than that of the third insulator (13), and the insulating part (1) is of an integrated structure; the clamping component (3) is composed of a first clamping body (31), a second clamping body (32) and a third clamping body (35), the third clamping body (35) connects the first clamping body (31) and the second clamping body (32), the first clamping body (31) and the second clamping body (32) are parts of a circular cylinder, the bending directions of the first clamping body (31) and the second clamping body (32) are the same, the first clamping body (31) is divided into a first clamping body upper clamping part (311) positioned at the upper part and a first clamping body lower clamping part (312) positioned at the lower part by the third clamping body (35), the second clamping body (32) is divided into a second clamping body upper clamping part (321) positioned at the upper part and a second clamping body lower clamping part (322) positioned at the lower part by the third clamping body (35), the first clamping body upper clamping part (311), the third clamping body (35) and the third clamping body (35) are arranged in a clamping body mode, and the first clamping body upper clamping part (311) and the second clamping body (32) are, The upper clamping cavity (33) is defined by the upper clamping part (321) of the second clamping body, the lower clamping cavity (36) is defined by the lower clamping part (312), the third clamping body (35) and the lower clamping part (322) of the first clamping body, the inner edge of the first clamping body (31) is positioned on the same cylindrical surface, the outer edge of the second clamping body (32) is positioned on the same cylindrical surface, and the clamping parts are of an integrated structure; the first power transmission unit (21) is positioned in the first cavity (112), the second power transmission unit (23) is positioned in the second cavity (123), and the third power transmission unit (34) is positioned in the third cavity (134); the first clamping body (31) is positioned in the third cavity (134), the third clamping body (35) is positioned in the opening (14), the second clamping body (32) is positioned outside the first insulator (11), the inner edge of the second clamping body (32) is attached to the outer edge of the first insulator (11), and the inner edge of the first clamping body (31) and the outer edge of the third power transmission unit (34) are on the same cylindrical surface.
4. A simply structured power cable according to claim 3, characterized in that: and an insulating sleeve (341) is further coated outside the third power transmission unit (34).
5. A power cable with simple structure as claimed in claim 4, wherein said insulating sheath is made of low-density polyethylene or medium-density polyethylene or high-density polyethylene or polyvinyl chloride or low-smoke halogen-free polyethylene or TPE or TPU or polypropylene or polytetrafluoroethylene or polybutylene terephthalate.
6. A power cable of simple construction according to claim 3, characterized in that said first cavity (112) has a crescent-shaped cross-section.
7. A power cable of simple construction according to claim 3, characterized in that said second cavity (123) has a crescent-shaped cross-section.
8. A power cable of simple construction according to claim 3, characterized in that said third cavity (134) is cylindrical.
9. A simply structured power cable according to claim 3, characterized in that said first transmission unit (21) has a crescent-shaped cross-section.
10. A simply structured power cable according to claim 3, characterized in that said second transmission unit (23) is crescent shaped in cross-section.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021435028.5U CN212411598U (en) | 2020-07-20 | 2020-07-20 | Power cable with simple structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021435028.5U CN212411598U (en) | 2020-07-20 | 2020-07-20 | Power cable with simple structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113053580A (en) * | 2021-03-15 | 2021-06-29 | 国网湖北省电力有限公司十堰供电公司 | Fireproof flame-retardant cable |
| CN113053581A (en) * | 2021-03-15 | 2021-06-29 | 国网湖北省电力有限公司十堰供电公司 | Fireproof cable easy to radiate and fireproof composite cable |
-
2020
- 2020-07-20 CN CN202021435028.5U patent/CN212411598U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113053580A (en) * | 2021-03-15 | 2021-06-29 | 国网湖北省电力有限公司十堰供电公司 | Fireproof flame-retardant cable |
| CN113053581A (en) * | 2021-03-15 | 2021-06-29 | 国网湖北省电力有限公司十堰供电公司 | Fireproof cable easy to radiate and fireproof composite cable |
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