Low-voltage fireproof wire rod

Abstract

The utility model discloses a low-voltage fireproof wire rod, which relates to the technical field of electric wires and cables and comprises a leather sheath, a protective frame is slidably connected to the outer wall of the leather sheath, a screw hole is formed in the top end of the protective frame, a screw rod is in threaded connection with the inner side of the screw hole, and a rotating shaft is rotatably connected to the bottom end of the screw rod. A blade is fixedly connected to the bottom end of the rotating shaft, the bottom end of the blade is attached to the top end of the leather sheath, and balls are connected to the inner wall of the protection frame in a rolling mode. By adopting the structure, when the structure on the inner side of the leather sheath needs to be maintained, a user can firstly screw the screw rod, the rotating shaft and the blade can be pushed to move downwards when the screw rod is screwed, and the rotating shaft can adjust the angle of the blade, transversely adjust the blade and insert the blade into the leather sheath; and then the leather sheath can be ripped through the ball sliding protection frame, so that the purpose of conveniently maintaining the inner side structure of the leather sheath can be achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of electric wires and cables, and particularly relates to a low-voltage fireproof wire material. Background Art

[0002] Wires include wires and cables, which are wire products used to transmit electrical (magnetic) energy, information and realize electromagnetic energy conversion. Wires and cables in a broad sense are also referred to as cables. Cables in a narrow sense refer to insulated cables, which can be defined as: a collection of the following parts; one or more insulating cores, and their respective coatings, total protective layers and outer sheaths. Cables may also have additional uninsulated conductors. According to voltage, they can be divided into high-voltage cables and low-voltage cables.

[0003] The Chinese patent with the publication number "CN216528159U" discloses a low-voltage fireproof wire, including a protective sleeve, a sliding sleeve and a conductive core, the outer periphery of the protective sleeve is connected to the sliding sleeve, the sliding sleeve is provided with sliding frames at the top and bottom of the protective sleeve, and a cutter is provided on one side of the sliding frame. The utility model is a low-voltage fireproof wire with a simple structure and easy operation, and is more practical and convenient, has a good fireproof effect, and is suitable for being widely promoted and used.

[0004] However, this wire still has some shortcomings. Most of the wires are provided with a protective leather cover on the outside, and the protective layer and the wire body and other structures are arranged on the inside of the leather cover. When the protective layer or the wire body inside the leather cover needs to be maintained, the user needs to cut the leather cover open before the inside can be maintained. However, this device can only cut and break the entire wire, which makes it inconvenient to cut the outer shell of the wire, thereby reducing the user's maintenance efficiency of the wire. Utility Model Content

[0005] In view of the problems mentioned in the background technology, the purpose of the present invention is to provide a low-voltage fireproof wire material to solve the problems mentioned in the background technology.

[0006] The above technical objectives of the utility model are achieved through the following technical solutions:

[0007] A low-voltage fireproof wire comprises a leather case, wherein a protective frame is slidably connected to the outer wall of the leather case, a screw hole is opened at the top of the protective frame, a screw rod is threadedly connected to the inner side of the screw hole, the bottom end of the screw rod is rotatably connected to a rotating shaft, a blade is fixedly connected to the bottom end of the rotating shaft, the bottom end of the blade is in contact with the top of the leather case, a ball is rotatably connected to the inner wall of the protective frame, the bottom end of the ball is in contact with the outer wall of the leather case, the protective frame is slidably connected to the outer wall of the leather case through the ball roller, a protective layer is fixedly connected to the inner side of the leather case, the inner side of the protective layer is fixedly connected to the wire body, the protective layer covers the outer side of the wire body, when the wire body is used, if it is necessary to maintain the protective layer or the wire body inside the leather case, the user can turn the screw rod to adjust the position of the blade, and its rotation can adjust the angle of the blade, when the blade is screwed into the leather case, the user can slide the protective frame through the rolling principle of the ball roller, the protective frame can drive the blade to slide together, so that the surface of the leather case can be cut open, thereby achieving the purpose of facilitating the maintenance of the inner structure of the leather case.

[0008] As a preferred technical solution, an oxygen isolation layer is provided on the inner side of the leather case, which covers the inner side of the leather case. The inner side of the oxygen isolation layer is in contact with the outer side of the protective layer. Due to the presence of the oxygen isolation layer, the oxygen inside the leather case can be isolated, thereby avoiding the fire caused by the oxygen inside the leather case, which can effectively prevent the wire body from being burned.

[0009] As a preferred technical solution, an insulating layer is fixedly connected to the inner side of the leather case, and the insulating layer covers the inner side of the leather case. The inner side of the insulating layer is in contact with the outer side of the oxygen-isolating layer. Due to the presence of the insulating layer, the insulating layer can effectively insulate the wire body, thereby avoiding the occurrence of conductivity.

[0010] As a preferred technical solution, a handle is fixedly connected to the outer wall of the protective frame. The handle is concave in shape, and the corners of the handle are arc-shaped. A protrusion is fixedly connected to the top of the screw. The shape of the protrusion is cross-shaped, and the shape of the corners of the protrusion is arc-shaped. Due to the existence of the handle, the handle can provide the user with a gripping point, and it will be more convenient and quick to pull the protective frame to slide by the handle.

[0011] As a preferred technical solution, a strip opening is provided on the outer side of the protective frame, the strip opening passes through the protective frame, a protective glass is fixedly connected to the inner side of the strip opening, the protective glass covers the inner side of the strip opening, and the position of the protective glass is symmetrical to the position of the blade. Due to the opening of the strip opening, the user can observe the position of the blade at all times through the protective glass, thereby facilitating real-time viewing of the cutting condition of the blade.

[0012] As a preferred technical solution, a connecting block is threadedly connected to the outer wall of the leather case, a circular groove is opened on one side of the connecting block, a sealing ring is fixedly connected to the inner side of the circular groove, and the sealing ring covers the inner side of the circular groove. Due to the existence of the connecting block, it will be more convenient and quick for the user to connect the wire body through the connecting block, and the sealing ring can effectively seal the connection point of the wire body, thereby improving the sealing of the wire body.

[0013] As a preferred technical solution, a mounting block is fixedly connected to the outer wall of the holster, an external thread is provided on the outer side of the mounting block, and an internal thread matching the external thread is provided on the inner wall of the connecting block. The connecting block is threadably connected to the outer wall of the mounting block via the external thread and the internal thread. The presence of the mounting block facilitates the connection of the connecting block. When the connecting block needs to be removed, the connecting block can be unscrewed by the thread principle, thereby achieving the purpose of facilitating the disassembly and assembly of the connecting block.

[0014] In summary, the utility model mainly has the following beneficial effects:

[0015] When it is necessary to maintain the structure inside the holster, the user can first turn the screw, which can push the shaft and the blade downward. The shaft can adjust the angle of the blade and adjust the blade horizontally. The blade is inserted into the inside of the holster, and then the holster can be cut open through the ball sliding protective frame, thereby facilitating the maintenance of the structure inside the holster. When it is necessary to cut off the holster, the user can also adjust the angle of the blade vertically through the shaft, and finally the holster can be cut off by rotating the protective frame, thereby effectively improving the protection range of the wire body. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the utility model;

[0017] Figure 2 It is a schematic diagram of the inner structure of the leather case of the utility model;

[0018] Figure 3 It is a schematic diagram of the installation block structure of the utility model;

[0019] Figure 4 It is a schematic diagram of the connection block structure of the utility model;

[0020] Figure 5 It is a schematic diagram of the protective frame structure of the utility model.

[0021] Figure numerals: 1, leather case, 2, insulating layer, 3, oxygen barrier layer, 4, protective layer, 5, wire body, 6, mounting block, 7, external thread, 8, connecting block, 9, internal thread, 10, circular groove, 11, sealing ring, 12, protective frame, 13, handle, 14, ball bearing, 15, screw hole, 16, screw, 17, bump, 18, rotating shaft, 19, blade, 20, strip mouth, 21, protective glass. DETAILED DESCRIPTION

[0022] refer to Figures 1 to 5 A low-voltage fireproof wire material of the present embodiment includes a leather case 1, a protective frame 12 is slidably connected to the outer wall of the leather case 1, a screw hole 15 is opened at the top of the protective frame 12, a screw rod 16 is threadedly connected to the inner side of the screw hole 15, the bottom end of the screw rod 16 is rotatably connected to a rotating shaft 18, a blade 19 is fixedly connected to the bottom end of the rotating shaft 18, and the bottom end of the blade 19 is in contact with the top of the leather case 1, a ball 14 is rollingly connected to the inner wall of the protective frame 12, and the bottom end of the ball 14 is in contact with the outer wall of the leather case 1, and the protective frame 12 is slidably connected to the outer wall of the leather case 1 through the ball 14, and the inner side of the leather case 1 is fixedly connected to a protective layer 4, and the inner side of the protective layer 4 is fixed It is connected to a wire body 5, and a protective layer 4 covers the outside of the wire body 5. When the wire body 5 is maintained, the screw 16 can be turned to push the rotating shaft 18 and the blade 19 to move downward, and the rotating shaft 18 can adjust the angle of the blade 19, and the blade 19 can be adjusted laterally. The blade 19 is inserted into the inside of the leather case 1, and then the protective frame 12 can be slid through the ball 14 to cut the leather case 1, thereby facilitating the maintenance of the inner structure of the leather case 1. When the leather case 1 needs to be cut off, the user can also vertically adjust the angle of the blade 19 through the rotating shaft 18, and finally the leather case 1 can be cut off by rotating the protective frame 12.

[0023] refer to Figure 2 An oxygen barrier layer 3 is provided on the inner side of the leather case 1, and the oxygen barrier layer 3 covers the inner side of the leather case 1. The inner side of the oxygen barrier layer 3 is in contact with the outer side of the protective layer 4. Due to the existence of the oxygen barrier layer 3, the oxygen barrier layer 3 can effectively isolate the inner side of the leather case 1 from oxygen, and can avoid the appearance of an oxygen layer on the inner side of the leather case 1, thereby reducing the pressure on the inner side of the leather case 1, and can prevent the inner side of the leather case 1 from burning, so that the wire body 5 can achieve the purpose of low-pressure fire prevention.

[0024] refer to Figure 2 An insulating layer 2 is fixedly connected to the inner side of the leather case 1, and the insulating layer 2 covers the inner side of the leather case 1. The inner side of the insulating layer 2 is in contact with the outer side of the oxygen barrier layer 3. Due to the existence of the insulating layer 2, the insulating layer 2 can effectively insulate the inner side of the leather case 1, thereby avoiding electrical conduction between the wire and the leather case 1, thereby effectively improving the protection of the wire body 5.

[0025] refer to Figure 1A handle 13 is fixedly connected to the outer wall of the protective frame 12. The shape of the handle 13 is concave, and the corners of the handle 13 are arc-shaped. A protrusion 17 is fixedly connected to the top of the screw rod 16. The shape of the protrusion 17 is a cross, and the shape of the corners of the protrusion 17 is arc-shaped. Due to the existence of the handle 13, the handle 13 can provide the user with a gripping point, and it will be more convenient and quick to slide the protective frame 12 through the handle 13. At the same time, the protrusion 17 can also provide the screw rod 16 with a gripping point, and it will be more convenient and quick to twist the screw rod 16 through the protrusion 17, thereby achieving the purpose of conveniently and quickly adjusting the height of the blade 19.

[0026] refer to Figure 5 A strip opening 20 is provided on the outer side of the protective frame 12, and the strip opening 20 penetrates the protective frame 12. A protective glass 21 is fixedly connected to the inner side of the strip opening 20, and the protective glass 21 covers the inner side of the strip opening 20. The position of the protective glass 21 is symmetrical to the position of the blade 19. Due to the opening of the strip opening 20, when the blade 19 is used, the user can observe the operation of the blade 19 at all times through the protective glass 21, so that the user can easily check the scratch condition of the leather case 1.

[0027] refer to Figure 1 and Figure 3 and Figure 4 , a connecting block 8 is threadedly connected to the outer wall of the leather case 1, a circular groove 10 is provided on one side of the connecting block 8, a sealing ring 11 is fixedly connected to the inner side of the circular groove 10, and the sealing ring 11 covers the inner side of the circular groove 10, and a mounting block 6 is fixedly connected to the outer wall of the leather case 1, an external thread 7 is provided on the outer side of the mounting block 6, and an internal thread 9 matching the external thread 7 is provided on the inner wall of the connecting block 8. The connecting block 8 is threadedly connected to the outer wall of the mounting block 6 through the external thread 7 and the internal thread 9. Due to the existence of the connecting block 8, it is more convenient and quick to connect the wire body 5 through the connecting block 8. After the connection of the wire body 5 is completed, the sealing ring 11 can also completely seal the connection point of the wire body 5, and at the same time, it can also achieve a good waterproof effect, thereby effectively improving the protection of the wire body 5. Because the connecting block 8 is threadedly connected to the mounting block 6, when the connecting block 8 needs to be removed, the user can directly unscrew the connecting block 8, thereby also achieving the purpose of convenient disassembly and assembly of the connecting block 8.

[0028] Principle and advantages of use: When inspecting the wire body 5, the screw 16 is turned to push the shaft 18 and the blade 19 downward, and the shaft 18 can rotate freely at the bottom of the screw 16 without hindering the rotation of the screw 16, so that the angle of the blade 19 can be adjusted, and the blade 19 can be adjusted horizontally, and the blade 19 can be inserted into the inside of the leather case 1, and then the leather case 1 can be cut open by sliding the protective frame 12 through the ball 14, so that the purpose of conveniently cutting open the leather case 1 to maintain its inner structure can be achieved, and its protective layer 4 can also be used for the wire body The outer side of the leather case 1 is effectively protected. When the leather case 1 needs to be cut off, the user can also adjust the angle of the blade 19 vertically through the rotating shaft 18, and finally the entire leather case 1 can be cut off by rotating the protective frame 12. Due to the existence of the oxygen-isolating layer 3, the oxygen-isolating layer 3 can effectively isolate the inner side of the leather case 1 from oxygen, thereby preventing the appearance of an oxygen layer on the inner side of the leather case 1, thereby reducing the pressure on the inner side of the leather case 1, and preventing the inner side of the leather case 1 from burning, so that the wire body 5 can achieve the purpose of low-pressure fire prevention. 2, its insulating layer 2 can effectively insulate the inner side of the leather case 1, which can avoid the situation of electrical conduction between the wire and the leather case 1, thereby effectively improving the protection of the wire body 5. Due to the existence of the handle 13, its handle 13 can provide the user with a gripping point, and it will be more convenient and quick to slide the protective frame 12 through the handle 13. At the same time, the protrusion 17 can also provide the screw 16 with a gripping point, and it will be more convenient and quick to screw the screw 16 through the protrusion 17, thereby achieving the purpose of convenient and quick adjustment of the height of the blade 19. Due to the opening of the strip-shaped opening 20, when using the blade 19, the user can observe the operation of the blade 19 at all times through the protective glass 21, thereby facilitating the user to check the scratching of the leather case 1. Due to the existence of the connecting block 8, it will be more convenient and quick to dock the wire body 5 through the connecting block 8. After the connection of the wire body 5 is completed, the sealing ring 11 can also completely seal the connection point of the wire body 5, and at the same time, it can also achieve a good waterproof effect, thereby effectively improving the protection of the wire body 5.

Claims

1. A low-voltage fireproof wire material, comprising a sheath (1), characterized in that: A protective frame (12) is slidably connected to the outer wall of the leather case (1), a screw hole (15) is provided at the top of the protective frame (12), a screw rod (16) is threadedly connected to the inner side of the screw hole (15), the bottom end of the screw rod (16) is rotatably connected to a rotating shaft (18), the bottom end of the rotating shaft (18) is fixedly connected to a blade (19), the bottom end of the blade (19) is in contact with the top of the leather case (1), a ball bearing (14) is rollingly connected to the inner wall of the protective frame (12), the bottom end of the ball bearing (14) is in contact with the outer wall of the leather case (1), the protective frame (12) is slidably connected to the outer wall of the leather case (1) through the ball bearing (14), the inner side of the leather case (1) is fixedly connected to a protective layer (4), the inner side of the protective layer (4) is fixedly connected to a wire body (5), and the protective layer (4) covers the outer side of the wire body (5).

2. A low-voltage fireproof wire material according to claim 1, characterized in that: An oxygen-isolating layer (3) is provided on the inner side of the leather case (1), the oxygen-isolating layer (3) covers the inner side of the leather case (1), and the inner side of the oxygen-isolating layer (3) is in contact with the outer side of the protective layer (4).

3. A low-voltage fireproof wire material according to claim 1, characterized in that: An insulating layer (2) is fixedly connected to the inner side of the leather case (1), the insulating layer (2) covers the inner side of the leather case (1), and the inner side of the insulating layer (2) is in contact with the outer side of the oxygen-isolating layer (3).

4. A low-voltage fireproof wire material according to claim 1, characterized in that: A handle (13) is fixedly connected to the outer wall of the protective frame (12), the handle (13) is concave in shape, and the corners of the handle (13) are arc-shaped. A convex block (17) is fixedly connected to the top end of the screw rod (16), the convex block (17) is cross-shaped, and the corners of the convex block (17) are arc-shaped.

5. The low-voltage fireproof wire material according to claim 1, characterized in that: The outer side of the protective frame (12) is provided with a strip opening (20), the strip opening (20) penetrates the protective frame (12), the inner side of the strip opening (20) is fixedly connected with a protective glass (21), the protective glass (21) covers the inner side of the strip opening (20), and the position of the protective glass (21) is symmetrical with the position of the blade (19).

6. A low-voltage fireproof wire material according to claim 1, characterized in that: A connecting block (8) is threadedly connected to the outer wall of the leather case (1), a circular groove (10) is provided on one side of the connecting block (8), a sealing ring (11) is fixedly connected to the inner side of the circular groove (10), and the sealing ring (11) covers the inner side of the circular groove (10).

7. A low-voltage fireproof wire material according to claim 6, characterized in that: A mounting block (6) is fixedly connected to the outer wall of the leather case (1); an outer side of the mounting block (6) is provided with an external thread (7); an inner wall of the connecting block (8) is provided with an internal thread (9) matching the external thread (7); and the connecting block (8) is threadedly connected to the outer wall of the mounting block (6) via the external thread (7) and the internal thread (9).

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