Coaxial nested stable mold inner sleeve for outer sheath in high-voltage crosslinked cable

Abstract

The utility model discloses a coaxial nesting type stable mold inner sleeve for an outer sheath in a high-voltage cross-linked cable, which comprises a first outer protective shell, limiting grooves are symmetrically arranged in the first outer protective shell, first clamping teeth are symmetrically and fixedly connected to the inner sides of the limiting grooves, second clamping teeth are connected to the outer sides of the first clamping teeth in a clamping manner, and the second clamping teeth are fixedly connected to the outer side of the first outer protective shell. A moving block is fixedly connected to one side of the outer portion of the moving block, and a second outer protection shell is fixedly connected to one side of the outer portion of the moving block. During use, by arranging the first outer protection shell, when the first outer protection shell is installed, a stirring piece is manually stirred to the direction of a limiting block, so that the first clamping teeth and the second clamping teeth are subjected to clamping friction; the second clamping teeth move towards the other side in the first outer protection shell along with the moving blocks until most of the second outer protection shell rotates into the first outer protection shell in a rotating mode, and then the first outer protection shell is clamped on the outer side of the outer sheath.

Description

Technical Field

[0001] The utility model belongs to the technical field of cable outer sheaths, and in particular relates to a coaxial nested stable mold inner sleeve for an outer sheath of a high-voltage cross-linked cable. Background Art

[0002] The coaxial nested stable mold inner sleeve is an important material for the outer sheath of high-voltage cross-linked cables. It is mainly used to enhance the strength and stability of the cable outer sheath to ensure that the cable can operate safely under high-voltage environments.

[0003] The existing coaxial nested stabilizing mold inner sleeve of the outer sheath of some high-voltage cross-linked cables is inconvenient to disassemble and replace during use. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the existing defects and provide a coaxial nested stable mold inner sleeve for the outer sheath of a high-voltage cross-linked cable, so as to solve the problem that the coaxial nested stable mold inner sleeve for the outer sheath of some existing high-voltage cross-linked cables proposed in the above background technology is inconvenient to disassemble and replace during use.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a coaxial nested stable mold inner sleeve for an outer sheath in a high-voltage cross-linked cable, comprising a first outer protective shell body, a limiting groove is symmetrically arranged inside the first outer protective shell body, a first latch tooth is symmetrically fixedly connected to the inner side of the limiting groove, a second latch tooth is snap-connected to the outer side of the first latch tooth, a moving block is fixedly connected to one side of the second latch tooth, a second outer protective shell body is fixedly connected to the outer side of the moving block, an outer sheath is snap-connected to one side of the outer sheath, an outer protective layer is arranged on one side of the outer sheath, a toggle piece is fixedly connected to one side of the outer side of the second outer protective shell body, a coaxial nested inner sleeve is fixedly connected to the inner side of the outer sheath, and a metal shielding layer is fixedly connected to the inner side of the coaxial nested inner sleeve.

[0006] Preferably, a locking groove is provided inside the first outer protective shell.

[0007] Preferably, two limiting grooves are provided.

[0008] Preferably, one side of the external protective layer is bonded with an adhesive layer, and the outer sheath is bonded to the external protective layer via the adhesive layer.

[0009] Preferably, a limiting block is symmetrically fixedly connected to one side of the limiting groove, and two limiting blocks are provided.

[0010] Preferably, an insulating filling layer is fixedly connected to the inner side of the metal shielding layer, and an internal mounting layer is fixedly connected to the inner side of the insulating filling layer.

[0011] Preferably, a conductor cable is fixedly connected inside the internal installation layer.

[0012] Preferably, the first outer protective shell and the second outer protective shell are both made of corrosion-resistant material.

[0013] Compared with the prior art, the utility model provides a coaxial nested stable mold inner sleeve for the outer sheath of a high-voltage cross-linked cable, which has the following beneficial effects:

[0014] 1. The utility model provides a first outer protective shell, and when the first outer protective shell is installed, the toggle plate is manually toggled in the direction of the limit block, so that the first latching tooth and the second latching tooth are engaged and rubbed, and the second latching tooth moves to the other side inside the first outer protective shell along with the moving block, until most of the second outer protective shell is rotated into the first outer protective shell, and then the first outer protective shell is clamped on the outside of the outer sheath, and then the toggle plate is manually toggled to bring the second outer protective shell out of the first outer protective shell, so that the second latching tooth fixed on the outside of the moving block is engaged and connected with the first latching tooth inside the limit groove, thereby achieving the limiting effect of the moving block, the first outer protective shell and the second outer protective shell can protect the cable from damage by external mechanical forces, such as scratches, impacts, etc., and can also resist erosion of the cable by environmental factors, such as ultraviolet rays, ozone, humidity, chemical corrosion, etc., and the disassembly and assembly method is simple and convenient, which is convenient for inspection or replacement.

[0015] 2. The utility model provides a limit block, which can limit one end of the second outer protective shell to prevent the moving block from escaping from the inside of the first outer protective shell.

[0016] The parts not involved in the device are the same as the existing technology or can be implemented by using the existing technology. The utility model has a scientific and reasonable structure, is safe and convenient to use, and provides great help to people. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0018] Figure 1 This is a schematic diagram of the axial structure of a coaxial nested stabilizing mold inner sleeve for the outer sheath of a high-voltage cross-linked cable proposed by the utility model;

[0019] Figure 2 for Figure 1 A schematic diagram of the enlarged structure at point A;

[0020] Figure 3 This is a front view structural schematic diagram of a coaxial nested stable mold inner sleeve for the outer sheath of a high-voltage cross-linked cable proposed by the utility model;

[0021] Figure 4 This is a schematic side view of the structure of a coaxial nested stable mold inner sleeve for the outer sheath of a high-voltage cross-linked cable proposed by the utility model;

[0022] Figure 5 It is a schematic diagram of a side vertical section structure of a coaxial nested stable mold inner sleeve for the outer sheath of a high-voltage cross-linked cable proposed by the utility model;

[0023] Figure 6 This is a schematic diagram of a front vertical section structure of a coaxial nested stable mold inner sleeve for an outer sheath of a high-voltage cross-linked cable proposed by the utility model;

[0024] Figure 7 for Figure 6 A schematic diagram of the enlarged structure at B;

[0025] In the figure: a first outer protective shell 1, a locking groove 2, a limiting groove 3, a limiting block 4, a first locking tooth 5, a second locking tooth 6, a moving block 7, a second outer protective shell 8, an outer sheath 9, an adhesive layer 10, an external protective layer 11, a toggle piece 12, a coaxial nested inner sleeve 13, a metal shielding layer 14, an insulating filling layer 15, an internal installation layer 16, and a conductor cable 17. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figures 1-7The utility model provides a technical solution: a coaxial nested stable mold inner sleeve for an outer sheath of a high-voltage cross-linked cable, comprising a first outer protective shell 1, a limiting groove 3 is symmetrically arranged inside the first outer protective shell 1, a first latch 5 is symmetrically fixedly connected to the inner side of the limiting groove 3, a second latch 6 is snap-connected to the outer side of the first latch 5, a moving block 7 is fixedly connected to one side of the second latch 6, a second outer protective shell 8 is fixedly connected to one side of the outer side of the moving block 7, an outer sheath 9 is snap-connected to the inner side of the first outer protective shell 1, an outer protective layer 11 is arranged on one side of the outer side of the outer sheath 9, a toggle piece 12 is fixedly connected to one side of the outer side of the second outer protective shell 8, a coaxial nested inner sleeve 13 is fixedly connected to the inner side of the outer sheath 9, and a metal shielding layer 14 is fixedly connected to the inner side of the coaxial nested inner sleeve 13;

[0028] When installing the first outer protective shell 1, the toggle plate 12 is manually toggled in the direction of the limit block 4, so that the first latch tooth 5 and the second latch tooth 6 are engaged and rubbed, and the second latch tooth 6 moves to the other side inside the first outer protective shell 1 along with the moving block 7, until most of the second outer protective shell 8 is rotated into the first outer protective shell 1, and then the first outer protective shell 1 is clamped on the outside of the outer sheath 9, and then the toggle plate 12 is manually toggled to bring the second outer protective shell 8 out of the first outer protective shell 1, so that the second latch tooth 6 fixed on the outside of the moving block 7 is engaged and connected with the first latch tooth 5 inside the limiting groove 3, so as to achieve the limiting effect of the moving block 7;

[0029] The first outer protective shell 1 and the second outer protective shell 8 can protect the cable from damage by external mechanical forces, such as scratches and impacts, and can also resist erosion of the cable by environmental factors, such as ultraviolet rays, ozone, humidity, chemical corrosion, etc., and the disassembly and assembly method is simple and convenient, which is convenient for maintenance or replacement.

[0030] In the present invention, preferably, a snap-fit ​​groove 2 is provided inside the first outer protective shell 1 .

[0031] In the present invention, preferably, two limiting grooves 3 are provided.

[0032] In the present invention, preferably, one side of the external protective layer 11 is bonded and connected with an adhesive layer 10 , and the outer sheath 9 and the external protective layer 11 are bonded and connected via the adhesive layer 10 .

[0033] In the utility model, preferably, one side of the limiting groove 3 is symmetrically fixedly connected to the limiting block 4, and two limiting blocks 4 are provided. The limiting block 4 can limit one end of the second outer protective shell 8 to prevent the moving block 7 from escaping from the inside of the first outer protective shell 1.

[0034] In the present utility model, preferably, an insulating filling layer 15 is fixedly connected to the inner side of the metal shielding layer 14, and an internal installation layer 16 is fixedly connected to the inside of the insulating filling layer 15.

[0035] In the present utility model, preferably, a conductor cable 17 is fixedly connected to the inside of the internal installation layer 16.

[0036] In the present utility model, preferably, both the first outer protective housing 1 and the second outer protective housing 8 are made of corrosion-resistant materials.

[0037] The working principle and usage process of the present utility model: When in use, by setting the first outer protective housing 1, when installing the first outer protective housing 1, manually move the toggle piece 12 towards the limiting block 4, so that the first engaging teeth 5 and the second engaging teeth 6 are engaged and friction occurs. The second engaging teeth 6 move towards the other side inside the first outer protective housing 1 along with the moving block 7 until most of the second outer protective housing 8 is rotated into the inside of the first outer protective housing 1. Then, the first outer protective housing 1 is clamped outside the outer sheath 9. Then, manually move the toggle piece 12 to move the second outer protective housing 8 out of the inside of the first outer protective housing 1, so that the second engaging teeth 6 fixed to the outside of the moving block 7 are engaged with the first engaging teeth 5 inside the limiting groove 3, thereby achieving the limiting effect on the moving block 7. The first outer protective housing 1 and the second outer protective housing 8 can protect the cable from external mechanical damage, such as scratching, impact, etc., and can also resist the erosion of environmental factors on the cable, such as ultraviolet rays, ozone, humidity, chemical corrosion, etc. Moreover, the disassembly and assembly method is simple and convenient, facilitating maintenance or replacement. By setting the limiting block 4, the limiting block 4 can play a role in limiting one end of the second outer protective housing 8, preventing the moving block 7 from slipping out of the inside of the first outer protective housing 1.

[0038] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A coaxial nested stable mold inner sleeve for an outer sheath in a high voltage cross-linked cable, comprising a first outer sheath shell (1), characterized in that: The first outer protective shell (1) is symmetrically provided with a limiting groove (3), the inner side of the limiting groove (3) is symmetrically fixedly connected with a first latch tooth (5), the outer side of the first latch tooth (5) is snap-connected with a second latch tooth (6), one side of the second latch tooth (6) is fixedly connected with a moving block (7), the outer side of the moving block (7) is fixedly connected with a second outer protective shell (8), the inner side of the first outer protective shell (1) is snap-connected with an outer sheath (9), the outer side of the outer sheath (9) is provided with an outer protective layer (11), the outer side of the second outer protective shell (8) is fixedly connected with a toggle plate (12), the inner side of the outer sheath (9) is fixedly connected with a coaxial nested inner sheath (13), and the inner side of the coaxial nested inner sheath (13) is fixedly connected with a metal shielding layer (14).

2. The coaxial nested stable mold inner sleeve for the outer sheath of a high-voltage cross-linked cable according to claim 1, characterized in that: A snap-fit ​​groove (2) is provided inside the first outer protective shell (1).

3. The coaxial nested stable mold inner sleeve for the outer sheath of a high-voltage cross-linked cable according to claim 1, characterized in that: The limiting grooves (3) are provided with two.

4. The coaxial nested stable mold inner sleeve for the outer sheath of a high-voltage cross-linked cable according to claim 1, characterized in that: One side of the outer protective layer (11) is bonded with an adhesive layer (10), and the outer sheath (9) and the outer protective layer (11) are bonded with each other via the adhesive layer (10).

5. The coaxial nested stable mold inner sleeve for the outer sheath of a high-voltage cross-linked cable according to claim 1, characterized in that: One side of the limiting groove (3) is symmetrically fixedly connected to a limiting block (4), and two limiting blocks (4) are provided.

6. The coaxial nested stable mold inner sleeve for the outer sheath of a high-voltage cross-linked cable according to claim 1, characterized in that: An insulating filling layer (15) is fixedly connected to the inner side of the metal shielding layer (14), and an internal mounting layer (16) is fixedly connected to the interior of the insulating filling layer (15).

7. A coaxial nested stable mold inner sleeve for the outer sheath of a high-voltage cross-linked cable according to claim 6, characterized in that: A conductor cable (17) is fixedly connected inside the internal installation layer (16).

8. The coaxial nested stable mold inner sleeve for the outer sheath of a high-voltage cross-linked cable according to claim 1, characterized in that: The first outer protective shell (1) and the second outer protective shell (8) are both made of corrosion-resistant material.

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