Novel special-shaped copper conductor soft aluminum tube mineral insulated fireproof cable

Abstract

The utility model relates to the technical field of cables, and discloses a novel special-shaped copper conductor soft aluminum tube mineral insulated fireproof cable, which comprises a cable body, a protection assembly is arranged in the cable body, one end of the cable body is fixedly connected with a connecting shaft, and the other end of the cable body is fixedly connected with a connecting block. The connecting shaft is slidably connected to the interior of the connecting block, a plurality of evenly-distributed limiting balls are slidably connected to the interior of the connecting block, one part of each limiting ball is slidably connected to the interior of the connecting shaft, the periphery of the connecting block is in threaded connection with a movable sleeve, and the inner wall of the bottom end of the movable sleeve abuts against the other part of each limiting ball. According to the utility model, the movable sleeve moves to push the limiting ball to move, so that the limiting ball is inserted into the connecting shaft to quickly connect the two cable bodies, and the mica filling layer has good heat resistance and electrical insulation performance, so that the use safety of the cable bodies can be enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of cables, in particular to a novel special-shaped copper conductor soft aluminum tube mineral insulated fireproof cable. Background Art

[0002] Cables are a conductive strand of wire used to transmit power, signals or data, consisting of one or more insulated conductors and a protective outer layer. They are used in a variety of applications, including power transmission, communications, networking, control systems and sensors.

[0003] The connection between existing cables requires the use of specific types of connectors or joints to ensure the reliability and safety of the electrical connection. Threaded connection is a commonly used connection method for cables, and multiple cables are connected to each other by bolts.

[0004] However, multiple bolts need to be rotated during the cable connection process, which requires more time and labor to install, resulting in low cable connection efficiency. Therefore, a new type of special-shaped copper conductor soft aluminum tube mineral insulated fire-resistant cable is proposed to solve the above problems. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides a novel special-shaped copper conductor soft aluminum tube mineral insulated fireproof cable, aiming to improve the problem of low cable connection efficiency in the prior art.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A novel special-shaped copper conductor soft aluminum tube mineral insulated fireproof cable, comprising a cable body, a protection component is arranged inside the cable body, a connecting shaft is fixedly connected to one end of the cable body, a connecting block is fixedly connected to the other end of the cable body, the connecting shaft is slidably connected to the inside of the connecting block, a plurality of uniformly distributed limiting balls are slidably connected to the inside of the connecting block, a part of the limiting ball is slidably connected to the inside of the connecting shaft, a movable sleeve is threadedly connected to the outer periphery of the connecting block, and the inner wall of the bottom end of the movable sleeve abuts against the other part of the limiting ball;

[0008] As a further description of the above technical solution:

[0009] The protection component comprises a mica filling layer, and the mica filling layer is arranged inside the cable body;

[0010] As a further description of the above technical solution:

[0011] The outer periphery of the limiting ball is fixedly connected to a limiting plate, and the limiting plate is slidably connected to the inside of the connecting block;

[0012] As a further description of the above technical solution:

[0013] The outer periphery of the connection block is fixedly connected to a limiting ring, and the limiting ring abuts against the left side of the moving sleeve;

[0014] As a further description of the above technical solution:

[0015] A rubber pad is sleeved on the outer periphery of the connecting shaft, and the rubber pad abuts against the side of the cable body facing the connecting block;

[0016] As a further description of the above technical solution:

[0017] A plurality of evenly distributed wrapping layers are fixedly connected inside the mica filling layer, and a conducting wire is fixedly connected inside the wrapping layer;

[0018] As a further description of the above technical solution:

[0019] A wear-resistant layer is arranged on the outer periphery of the cable body;

[0020] As a further description of the above technical solution:

[0021] The wear-resistant layer is made of rubber.

[0022] The utility model has the following beneficial effects:

[0023] 1. In the utility model, the connecting shaft is inserted into the connecting block to connect the two cable bodies to each other, the movable sleeve can be moved by rotating, and the movement of the movable sleeve can push the limiting ball to move so that the limiting ball is inserted into the connecting shaft, thereby fixing the connecting shaft inside the connecting block.

[0024] 2. In the utility model, the wear-resistant layer is made of rubber to make the cable body have higher wear resistance and flexibility, the mica filling layer has good heat resistance and electrical insulation performance, which can enhance the safety of the cable body, and the wrapping layer can protect the wires to prevent the wires from being squeezed and damaged. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 A three-dimensional schematic diagram of a new type of special-shaped copper conductor soft aluminum tube mineral insulated fireproof cable proposed by the utility model;

[0026] Figure 2 This is a structural schematic diagram of a movable sleeve of a new type of special-shaped copper conductor soft aluminum tube mineral insulated fireproof cable proposed by the utility model;

[0027] Figure 3 The utility model discloses a structural schematic diagram of a cable body of a novel special-shaped copper conductor soft aluminum tube mineral insulated fireproof cable.

[0028] Legend:

[0029] 1. Cable body; 2. Connecting shaft; 3. Limiting ring; 4. Moving sleeve; 5. Connecting block; 6. Limiting ball; 7. Rubber pad; 8. Limiting plate; 9. Wire; 10. Wrapping layer; 11. Wear-resistant layer; 12. Mica filling layer. DETAILED DESCRIPTION

[0030] 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.

[0031] Reference Figure 1 , Figure 2 The utility model provides an embodiment: a new type of special-shaped copper conductor soft aluminum tube mineral insulated fire-proof cable, including a cable body 1, one end of the cable body 1 is fixedly connected to a connecting shaft 2, the other end of the cable body 1 is fixedly connected to a connecting block 5, the connecting shaft 2 is slidably connected inside the connecting block 5, the connecting shaft 2 is inserted into the connecting block 5 so that the two cable bodies 1 can be connected to each other, the outer periphery of the connecting shaft 2 is sleeved with a rubber pad 7, the rubber pad 7 abuts against the side of the cable body 1 and the connecting block 5 facing each other, the rubber pad 7 is used to enhance the sealing of the connection between the connecting shaft 2 and the connecting block 5, a plurality of uniformly distributed limiting balls 6 are slidably connected inside the connecting block 5, and a portion of the limiting balls 6 is slidably connected to Inside the connecting shaft 2, the limiting ball 6 is inserted into the connecting shaft 2 to fix the connecting shaft 2 inside the connecting block 5. The limiting plate 8 is fixedly connected to the outer periphery of the limiting ball 6. The limiting plate 8 is slidably connected to the inside of the connecting block 5. The limiting plate 8 can limit the movement of the limiting ball 6 to prevent the limiting ball 6 from leaving the inside of the connecting block 5. The outer periphery of the connecting block 5 is threadedly connected with a movable sleeve 4. The inner wall of the bottom end of the movable sleeve 4 abuts against the other part of the limiting ball 6. The movable sleeve 4 is rotated to move the movable sleeve 4. The movement of the movable sleeve 4 can limit the movement of the limiting ball 6. The limiting ring 3 is fixedly connected to the outer periphery of the connecting block 5. The limiting ring 3 abuts against the left side of the movable sleeve 4. The limiting ring 3 is used to limit the movement of the movable sleeve 4.

[0032] Reference Figure 1 , Figure 3A protective component is arranged inside the cable body 1, and the protective component includes a mica filling layer 12. The mica filling layer 12 is arranged inside the cable body 1. Mica has good heat resistance and electrical insulation properties and can protect the wire 9. A plurality of evenly distributed wrapping layers 10 are fixedly connected inside the mica filling layer 12. The wire 9 is fixedly connected inside the wrapping layer 10. The wrapping layer 10 can protect the wire 9 and prevent the wire 9 from being squeezed and damaged. The wire 9 adopts a special-shaped structure, which increases the surface area of ​​the wire 9 and improves the current capacity of the wire 9. A wear-resistant layer 11 is arranged on the periphery of the cable body 1. The wear-resistant layer 11 is made of rubber. The wear-resistant layer 11 is made of rubber, which makes the cable body 1 have higher wear resistance and flexibility, thereby reducing the impact of the external environment on the cable body 1 and extending the service life of the cable body 1.

[0033] Working principle: The surface of the cable body 1 is provided with a wear-resistant layer 11 made of rubber to reduce the external influence on the cable body 1, thereby extending the service life of the cable body 1. During the use of the cable body 1, the mica filling layer 12 inside the cable body 1 can enhance the heat resistance and electrical insulation performance of the cable body 1, thereby improving the safety of the cable body 1 during use. When two cable bodies 1 need to be connected to each other, the connecting shaft 2 at one end of one of the cable bodies 1 can be inserted into the connecting block 5 at one end of the other cable body 1, and then the movable sleeve 4 is rotated. The rotating movable sleeve 4 can move the movable sleeve 4 toward the limiting ring 3. During the movement of the movable sleeve 4, multiple limiting balls 6 can be pushed to move. Multiple limiting balls 6 are inserted into the connecting shaft 2 to fix the connecting shaft 2 inside the connecting block 5. When the movable sleeve 4 contacts the limiting ring 3, the inner wall of the movable sleeve 4 can fix the position of multiple limiting balls 6 to prevent multiple limiting balls 6 from moving again, thereby completing the connection between the two cable bodies 1.

[0034] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A novel special-shaped copper conductor soft aluminum tube mineral insulated fireproof cable, comprising a cable body (1), characterized in that: A protective component is arranged inside the cable body (1); one end of the cable body (1) is fixedly connected to a connecting shaft (2); the other end of the cable body (1) is fixedly connected to a connecting block (5); the connecting shaft (2) is slidably connected inside the connecting block (5); a plurality of evenly distributed limiting balls (6) are slidably connected inside the connecting block (5); a portion of the limiting balls (6) is slidably connected inside the connecting shaft (2); a movable sleeve (4) is threadedly connected to the outer periphery of the connecting block (5); and the inner wall of the bottom end of the movable sleeve (4) abuts against the other portion of the limiting ball (6).

2. A novel special-shaped copper conductor soft aluminum tube mineral insulated fireproof cable according to claim 1, characterized in that: The protective component comprises a mica filling layer (12), and the mica filling layer (12) is arranged inside the cable body (1).

3. The novel special-shaped copper conductor soft aluminum tube mineral insulated fireproof cable according to claim 1 is characterized by: The outer periphery of the limiting ball (6) is fixedly connected to a limiting plate (8), and the limiting plate (8) is slidably connected to the interior of the connecting block (5).

4. The novel special-shaped copper conductor soft aluminum tube mineral insulated fireproof cable according to claim 1 is characterized by: The outer periphery of the connection block (5) is fixedly connected to a limiting ring (3), and the limiting ring (3) abuts against the left side of the movable sleeve (4).

5. The novel special-shaped copper conductor soft aluminum tube mineral insulated fireproof cable according to claim 1 is characterized by: The outer periphery of the connecting shaft (2) is sleeved with a rubber pad (7), and the rubber pad (7) abuts against the side of the cable body (1) facing the connecting block (5).

6. The novel special-shaped copper conductor soft aluminum tube mineral insulated fireproof cable according to claim 2 is characterized by: A plurality of evenly distributed wrapping layers (10) are fixedly connected inside the mica filling layer (12), and a conducting wire (9) is fixedly connected inside the wrapping layer (10).

7. The novel special-shaped copper conductor soft aluminum tube mineral insulated fireproof cable according to claim 1 is characterized by: The outer periphery of the cable body (1) is provided with a wear-resistant layer (11).

8. The novel special-shaped copper conductor soft aluminum tube mineral insulated fireproof cable according to claim 7 is characterized by: The wear-resistant layer (11) is made of rubber.

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