CN218602146U - Anti-fracture low-voltage power cable - Google Patents

Abstract

The utility model discloses a prevent cracked low voltage power cable of power cable technical field, including the outer shielding layer, the inside packing of outer shielding layer is equipped with the stopping, the inside sinle silk that is equipped with of stopping, the sinle silk outer wall is equipped with the insulating layer, and insulating layer outer wall is equipped with the inner shield layer, and the outer shielding layer outer wall is equipped with high temperature resistant layer, and high temperature resistant layer outer wall is equipped with the tensile resistant layer, and the tensile resistant layer outer wall is equipped with the armor, and the armor outer wall is equipped with the oversheath layer, and oversheath layer outer wall is equipped with the wearing layer, the utility model discloses can improve power cable's tensile resistance under the effect of first strengthening rib, beaded finish, second strengthening rib, tensile resistant layer and third strengthening rib, can improve power cable's compressive strength under the effect of armor to stability is strong, thereby power cable can not fracture when receiving external pulling sinle silk, guarantees power cable's life.

Description

A kind of breakage-resistant low-voltage power cable

technical field

The utility model relates to the technical field of power cables, in particular to an anti-break low-voltage power cable.

Background technique

With the development of economy and technology, the demand for wires and cables is increasing, and the performance requirements are increasing. Low-voltage power cables are widely used in daily life.

The low-voltage power cable will be more or less pulled by the outside when it is used, and it is easy to cause the wire core to break for a long time. Therefore, a low-voltage power cable with anti-breakage is needed.

Utility model content

The purpose of this utility model is to provide an anti-break low-voltage power cable to solve the problems raised in the above-mentioned background technology.

In order to achieve the above object, the utility model provides the following technical solution: a low-voltage power cable for anti-breakage, including an outer shielding layer, the outer shielding layer is filled with a filler, the filler is provided with a core, and the outer shielding layer is filled with a filler. The outer wall of the wire core is provided with an insulating layer, the outer wall of the insulating layer is provided with an inner shielding layer, the outer wall of the outer shielding layer is provided with a high-temperature resistant layer, the outer wall of the high-temperature-resistant layer is provided with a stretch-resistant layer, and the stretch-resistant layer The outer wall is provided with an armor layer, the outer wall of the armor layer is provided with an outer sheath layer, and the outer wall of the outer sheath layer is provided with a wear-resistant layer.

Further, multiple sets of third reinforcing ribs are arranged inside the stretch-resistant layer, the third reinforcing ribs are arranged in a V shape, and multiple sets of the third reinforcing ribs are distributed in a circular array inside the stretch-resistant layer , one end of the third rib is connected to the outer wall of the high temperature resistant layer, and the other two ends of the third rib are connected to the inner wall of the armor layer.

Further, a reinforcement ring is provided inside the filling material, and the reinforcement ring is located outside the inner shielding layer. The inner wall of the reinforcement ring is provided with multiple sets of first reinforcement ribs, and one end of the multiple sets of first reinforcement ribs is respectively connected to the inner shielding layer. The outer walls of the shielding layer are connected, and multiple sets of the first reinforcing ribs are distributed in a circular array on the inner wall of the reinforcing ring, and the outer wall of the reinforcing ring is provided with multiple sets of second reinforcing ribs, and multiple sets of the second reinforcing ribs One end is respectively connected to the inner wall of the outer shielding layer, and multiple sets of the second reinforcing ribs are respectively distributed in an annular array on the outer wall of the reinforcing ring.

Further, the filler is dust-free rock wool flame-retardant filler rope.

Further, the outer sheath layer is made of halogen-free low-smoke flame-retardant polyolefin material.

Further, the armor layer is a galvanized steel strip.

Compared with the prior art, the beneficial effect of the utility model is: the utility model can improve the tensile strength of the power cable under the action of the first reinforcing rib, the reinforcing ring, the second reinforcing rib, the tensile layer and the third reinforcing rib Under the action of the armor layer, the compressive strength of the power cable can be improved, and the stability is strong, so that the core of the power cable will not break when the power cable is pulled by the outside world, ensuring the service life of the power cable.

Description of drawings

Fig. 1 is the structural representation of the utility model.

In the figure: 1. wire core; 2. insulating layer; 3. inner shielding layer; 4. first reinforcing rib; 5. reinforcing ring; 6. second reinforcing rib; 7. filling material; 8. outer shielding layer; 9 1. High temperature resistant layer; 10. Tensile resistant layer; 11. Third rib; 12. Armor layer; 13. Outer sheath layer; 14. Wear-resistant layer.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Example 1:

Please refer to Fig. 1, the utility model provides a technical solution: a kind of anti-break low-voltage power cable, including the outer shielding layer 8, the outer shielding layer 8 is filled with a filler 7, and the filler 7 is a dust-free rock wool resistance cable. Inflammable filling rope to improve the flame retardant performance of the power cable, the filler 7 is provided with a core 1 inside, the outer wall of the core 1 is provided with an insulating layer 2, the outer wall of the insulating layer 2 is provided with an inner shielding layer 3, and the outer wall of the outer shielding layer 8 is provided with a resistant High temperature layer 9, the outer wall of high temperature resistant layer 9 is provided with tensile layer 10, and the outer wall of tensile layer 10 is provided with armored layer 12, and armored layer 12 is galvanized steel strip, can improve under the effect of armored layer 12 The compressive strength and stability of the power cable are strong. The outer wall of the armor layer 12 is provided with an outer sheath layer 13. The outer sheath layer 13 is made of halogen-free, low-smoke, flame-retardant polyolefin material, which is halogen-free, low-smoke, and flame-retardant. The polyolefin material has the characteristics of low smoke and non-toxicity. Once the power cable burns, it will also produce a large amount of smoke and harmful gases. The outer wall of the outer sheath layer 13 is provided with a wear-resistant layer 14. Improve the wear resistance of power cables.

Please refer to Fig. 1, there are multiple sets of third reinforcing ribs 11 inside the stretch-resistant layer 10, the third reinforcing ribs 11 are arranged in a V shape, and multiple sets of third reinforcing ribs 11 are distributed in a circular array inside the stretch-resistant layer 10, One end of the third reinforcing rib 11 is connected to the outer wall of the high temperature resistant layer 9, and the other two ends of the third reinforcing rib 11 are connected to the inner wall of the armor layer 12. Under the action of the ribs 11, the tensile performance of the power cable can be improved.

Please refer to Fig. 1, a reinforcement ring 5 is arranged inside the filling material 7, and the reinforcement ring 5 is located outside the inner shielding layer 3. The inner wall of the reinforcement ring 5 is provided with multiple sets of first reinforcement ribs 4, and one end of the multiple sets of first reinforcement ribs 4 is respectively connected to the The outer walls of the inner shielding layer 3 are connected, and multiple sets of first reinforcing ribs 4 are distributed in a circular array on the inner wall of the reinforcing ring 5. The outer wall of the reinforcing ring 5 is provided with multiple sets of second reinforcing ribs 6. One end of multiple sets of second reinforcing ribs 6 They are respectively connected to the inner wall of the outer shielding layer 8, and multiple sets of second reinforcing ribs 6 are respectively distributed in a circular array on the outer wall of the reinforcing ring 5. When the power cable is pulled by the outside, the reinforcing ring 5, the second reinforcing rib 6 and the first Under the action of the reinforcing rib 4, the tensile performance of the power cable can be improved, so that the core of the power cable will not be broken when the power cable is pulled by the outside.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (6)

1. An anti-break low-voltage power cable, comprising an outer shielding layer (8), characterized in that: the outer shielding layer (8) is filled with a filler (7), and the filler (7) is provided with a There is a wire core (1), the outer wall of the wire core (1) is provided with an insulating layer (2), the outer wall of the insulating layer (2) is provided with an inner shielding layer (3), and the outer wall of the outer shielding layer (8) is provided with High temperature resistant layer (9), described high temperature resistant layer (9) outer wall is provided with tensile layer (10), described tensile layer (10) outer wall is provided with armored layer (12), described armored layer (12) The outer wall is provided with an outer sheath layer (13), and the outer wall of the outer sheath layer (13) is provided with a wear-resistant layer (14). 2. A breakage-resistant low-voltage power cable according to claim 1, characterized in that: multiple sets of third reinforcing ribs (11) are arranged inside the stretch-resistant layer (10), and the third reinforcing ribs (11) arranged in a V shape, multiple groups of the third reinforcing ribs (11) are distributed in a circular array inside the tensile layer (10), and one end of the third reinforcing ribs (11) is connected to the high temperature resistant layer ( 9) The outer wall is connected, and the other two ends of the third rib (11) are connected to the inner wall of the armor layer (12). 3. A breakage-resistant low-voltage power cable according to claim 1, characterized in that: the filling material (7) is provided with a reinforcing ring (5), and the reinforcing ring (5) is located on the inner shielding layer ( 3) Externally, the inner wall of the reinforcing ring (5) is provided with multiple sets of first reinforcing ribs (4), and one end of multiple sets of the first reinforcing ribs (4) is respectively connected to the outer wall of the inner shielding layer (3), Multiple sets of first reinforcing ribs (4) are distributed in a circular array on the inner wall of the reinforcing ring (5), and multiple sets of second reinforcing ribs (6) are arranged on the outer wall of the reinforcing ring (5). One end of the second reinforcing rib (6) is respectively connected to the inner side wall of the outer shielding layer (8), and multiple groups of the second reinforcing ribs (6) are respectively distributed in an annular array on the outer side wall of the reinforcing ring (5). 4. The anti-break low-voltage power cable according to claim 1, characterized in that: the filler (7) is a dust-free rock wool flame-retardant filler rope. 5. The anti-break low-voltage power cable according to claim 1, characterized in that: the outer sheath layer (13) is made of halogen-free low-smoke flame-retardant polyolefin material. 6. The anti-break low-voltage power cable according to claim 1, characterized in that: the armor layer (12) is a galvanized steel strip.

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