High-temperature-resistant carbon fiber cable joint protection structure

Abstract

The utility model discloses a high temperature resistant carbon fiber cable joint protection structure, which comprises a fixed upper cover, a fixed base and a cable body, a placement cavity is clamped in the middle of the fixed upper cover, a protruding rectangular plate is formed on the lower surface of the fixed upper cover, arc-shaped clamping grooves are formed in the two sides of the placement cavity, and the arc-shaped clamping grooves are connected with the fixed base. A passing cavity is formed in the outer side of the arc-shaped clamping groove, fastening rings are formed at the two ends of the fixing upper cover, fastening bolts are arranged on the fastening rings in a penetrating mode, a fixing base is arranged below the fixing upper cover, a rectangular clamping groove corresponding to the rectangular plate in position is formed in the upper end face of the fixing base in a clamped mode, and the rectangular plate can be inserted into the rectangular clamping groove. A cable connecting assembly is arranged in the containing cavity, a conductor inserted into a connecting screw tube is fixed by designing a positioning screw, meanwhile, the connecting screw tube is screwed with a main body screw tube, so that the conductor is connected more stably, a fastening ring is locked in cooperation with a fastening bolt, and pressure is applied to a cable outer sheath, so that the cable is connected more firmly.

Description

Technical Field

[0001] The utility model relates to the field of high temperature resistant carbon fiber cables, in particular to a high temperature resistant carbon fiber cable joint protection structure. Background Art

[0002] Carbon fiber cable is a cable that uses carbon fiber as heating material. By applying voltage at both ends of the carbon fiber, the far-infrared carbon fiber radiates energy outward in the form of far-infrared rays. It has many advantages such as energy saving, environmental protection, safety and practicality. Due to its use, when selecting the cable body, it is necessary to use a cable with high temperature resistance.

[0003] A high temperature resistant carbon fiber cable joint protection structure disclosed in the utility model with authorization announcement number CN220273894U belongs to the field of cable technology, and includes a protective tube, one end of which is clamped with one end corresponding to the connecting line, the protective tube is clamped in the first protective shell, the second protective shell is clamped under the first protective shell, the pure copper fiberglass ring is provided with a heat isolation ring, the first protective shell is clamped in the sealing sleeve, the second protective shell is clamped in the sealing sleeve, and the sealing sleeve is provided with a mounting hole. The high temperature resistant carbon fiber cable, by providing the first protective shell, the second protective shell, the screw rod and the mounting hole, can play a certain protective role at the interface of the carbon fiber cable through the first protective shell, the second protective shell and the screw rod, and avoids the wear of the interface of the carbon fiber cable due to long-term exposure to the air. The device protects the cable joint through the first protective shell and the second protective shell, but the fixation of the cable connecting line is not firm enough. Utility Model Content

[0004] In order to overcome the shortcomings of the prior art, the utility model provides a high-temperature resistant carbon fiber cable joint protection structure, which fixes the conductor inserted into the connecting screw by designing a positioning screw. At the same time, the connecting screw and the main screw are screwed together to make the conductor connection more stable. The fastening ring is locked with a fastening bolt, and pressure is applied to the outer sheath of the cable to make the cable connection more secure.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a high-temperature resistant carbon fiber cable joint protection structure, comprising a fixed upper cover, a fixed base and a cable body, a placement cavity is provided in the middle of the fixed upper cover, a protruding rectangular plate is formed on the lower surface of the fixed upper cover, arc-shaped grooves are opened on both sides of the placement cavity, a through cavity is formed on the outside of the arc-shaped groove, fastening rings are formed at both ends of the fixed upper cover, fastening bolts are passed through the fastening rings, a fixed base is provided under the fixed upper cover, a rectangular groove corresponding to the position of the rectangular plate is provided on the upper end surface of the fixed base, the rectangular plate can be inserted into the rectangular groove, and a cable connection assembly is provided inside the placement cavity.

[0006] As an optimal technical solution of the utility model, the cable connection assembly includes a main body screw, a connecting screw, and a positioning screw. The main body screw is arranged inside the placement cavity, the inner wall of the main body screw is provided with a thread, connecting screws are screwed on both ends of the main body screw, the outer wall of the connecting screw is provided with an external thread matching the thread provided on the inner wall of the main body screw, and a positioning screw is passed through the body of the connecting screw.

[0007] As an optimal technical solution of the utility model, a cable body is arranged inside the main spiral tube, the innermost layer of the cable body is a conductor, the outside of the conductor is covered with an insulating layer, the outside of the insulating layer is provided with a wrapping tape, and the outside of the wrapping tape is formed with an outer sheath.

[0008] As an optimal technical solution of the utility model, the conductor is inserted into the connecting spiral tube, an external heat shrink tube is sleeved on the end of the conductor that contacts the connecting spiral tube, and an internal heat shrink tube is sleeved on the main body spiral tube, and the internal heat shrink tube covers the contact end of the connecting spiral tube and the main body spiral tube.

[0009] As a preferred technical solution of the utility model, an internal sealing ring is sleeved on the external heat shrink tube, and the inner end of the internal sealing ring can be inserted into the arc-shaped slot.

[0010] As a preferred technical solution of the utility model, an external sealing ring is provided on the outside of the external heat shrink tube, the external sealing ring is located on the cable body, and the external sealing ring is in contact with the inner wall of the fastening ring.

[0011] As a preferred technical solution of the utility model, the fixed upper cover and the fixed base have substantially the same structure, and connecting holes are provided on the fixed upper cover and the fixed base.

[0012] Compared with the prior art, the utility model can achieve the following beneficial effects:

[0013] The conductor inserted into the connecting screw is fixed by designing a positioning screw. At the same time, the connecting screw is screwed together with the main screw to make the conductor connection more stable. The fastening ring is locked with the fastening bolt, and pressure is applied on the outer sheath of the cable to make the cable connection more secure. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the main view structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the fixed upper cover and fixed base structure of the utility model;

[0017] Figure 4This is a schematic diagram of the internal component structure of the fixed upper cover and the fixed base of the utility model;

[0018] Among them: 1. Fix the upper cover; 2. Fastening ring; 3. Fix the base; 4. Fastening bolts; 5. Cable body; 6. Conductor; 7. Insulation layer; 8. Wrapping tape; 9. Outer sheath; 10. Rectangular slot; 11. Placement cavity; 12. Arc slot; 13. Through cavity; 14. Connecting hole; 15. External sealing ring; 16. Internal sealing ring; 17. External heat shrink tube; 18. Internal heat shrink tube; 19. Main body screw tube; 20. Connecting screw tube; 21. Positioning screw; 22. Rectangular plate. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, objectives and effects of the present invention easy to understand, the present invention is further described below in conjunction with specific embodiments, but the following embodiments are only preferred embodiments of the present invention, not all. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work are all within the protection scope of the present invention.

[0020] Example

[0021] Please refer to Figure 1 - Figure 4 As shown, the utility model provides a high temperature resistant carbon fiber cable joint protection structure, including a fixed upper cover 1, a fixed base 3 and a cable body 5. The fixed upper cover 1 and the fixed base 3 have roughly the same structure, and the internal cavities of the two together constitute a circular cavity. The fixed upper cover 1 and the fixed base 3 are provided with connecting holes 14, and the two can be connected and fixed by connecting bolts. The main body spiral tube 19 is provided with a cable body 5, and the innermost layer of the cable body 5 is a conductor 6. The outer side of the conductor 6 is coated with an insulating layer 7, and the outer side of the insulating layer 7 is provided with a wrapping tape 8, and the outer side of the wrapping tape 8 is formed with an outer sheath 9;

[0022] like Figure 1 - Figure 4As shown, a placement cavity 11 is provided in the middle of the fixed upper cover 1, a protruding rectangular plate 22 is formed on the lower surface of the fixed upper cover 1, arc-shaped grooves 12 are provided on both sides of the placement cavity 11, and a through cavity 13 is formed on the outer side of the arc-shaped groove 12, and the through cavity 13 contacts with the internal sealing ring 16, so that the placement cavity 11 forms a sealed space, and fastening rings 2 are formed at both ends of the fixed upper cover 1, and fastening bolts 4 are passed through the fastening rings 2, which are convenient for squeezing and fixing the cable body 5 through the external sealing ring 15 to prevent the cable joint from loosening, and a fixed base 3 is provided below the fixed upper cover 1, and a rectangular groove 10 corresponding to the position of the rectangular plate 22 is provided on the upper end surface of the fixed base 3, and the two are connected by clamping and bolting to form a sealed cavity, and the rectangular plate 22 can be inserted into the rectangular groove 10, and a cable connection assembly is provided inside the placement cavity 11, and the cable connection assembly includes a main body spiral tube 19, a connecting spiral tube 20, and a positioning screw 21. A main body spiral tube 19 is arranged inside 11, and a thread is provided on the inner wall of the main body spiral tube 19. Connecting spiral tubes 20 are screwed on both ends of the main body spiral tube 19. The outer wall of the connecting spiral tube 20 is provided with an external thread matching the thread provided on the inner wall of the main body spiral tube 19. When the main body spiral tube 19 rotates, the two connecting spiral tubes 20 are close to each other, and a positioning screw 21 is passed through the tube body of the connecting spiral tube 20. The conductor 6 is inserted into the connecting spiral tube 20, and an external heat shrink tube 17 is sleeved on the end of the conductor 6 contacting the connecting spiral tube 20. The main body spiral tube 19 is sleeved with an internal heat shrink tube 18, and the internal heat shrink tube 18 covers the contact end of the connecting spiral tube 20 and the main body spiral tube 19. An internal sealing ring 16 is sleeved on the external heat shrink tube 17, and the inner end of the internal sealing ring 16 can be inserted into the arc-shaped card groove 12. An external sealing ring 15 is arranged on the outside of the external heat shrink tube 17, and the external sealing ring 15 is on the cable body 5. The external sealing ring 15 is in contact with the inner wall of the fastening ring 2.

[0023] When connecting the cable, put the external sealing ring 15 on the cable body 5, insert the conductor 6 into the connecting spiral tube 20, put the external heat shrink tube 17 on the end of the conductor 6 that contacts the connecting spiral tube 20, heat it to shrink it, then put the internal sealing ring 16 on the external heat shrink tube 17, and then heat it to shrink it, turn the positioning screw 21 to squeeze and fix the conductor 6, and then rotate the main spiral tube 19 with the internal heat shrink tube 18, so that the two connecting spiral tubes 20 are close to each other in the main spiral tube 19, and then put the coated main spiral tube 19 in the fixed base 3, so that the internal heat shrink tube 18 is in the placement cavity 11, the inner end of the internal sealing ring 16 is clamped in the arc-shaped card slot 12, and the ring body of the internal sealing ring 16 is in the through cavity 13, cover the fixed cover (1), and use the connecting bolts to connect the fixed cover 1 and the fixed base 3. In this process, the positions of the through holes on the fixed cover 1 and the fixed base 3 correspond, and the rectangular plate 22 is inserted into the rectangular card slot 10 to complete the connection;

[0024] Specific working principle:

[0025] When using the device, an external sealing ring 15 is put on the cable body 5, the conductor 6 is inserted into the connecting spiral tube 20, an external heat shrink tube 17 is put on the end of the conductor 6 that contacts the connecting spiral tube 20, and the external heat shrink tube 17 is heated to shrink it, and then the internal sealing ring 16 is put on the external heat shrink tube 17, and then heated to shrink it, and the positioning screw 21 is turned to squeeze and fix the conductor 6, and then the main spiral tube 19 with the internal heat shrink tube 18 is rotated to make the two connecting spiral tubes 20 close to each other in the main spiral tube 19, and then the coated main spiral tube 19 is placed in the fixed base 3, so that the internal heat shrink tube 18 is in the placement cavity 11, the inner end of the internal sealing ring 16 is clamped in the arc-shaped card slot 12, and the ring body of the internal sealing ring 16 is in the through cavity 13, and the fixed upper cover (1) is covered, and the fixed upper cover 1 and the fixed base 3 are connected using connecting bolts. In this process, the positions of the through holes on the fixed upper cover 1 and the fixed base 3 correspond, and the rectangular plate 22 is inserted into the rectangular card slot 10 to complete the connection.

[0026] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A high temperature resistant carbon fiber cable joint protection structure, comprising a fixed upper cover (1), a fixed base (3) and a cable body (5), characterized in that: A placement cavity (11) is provided in the middle of the fixed upper cover (1), a protruding rectangular plate (22) is formed on the lower surface of the fixed upper cover (1), arc-shaped slots (12) are provided on both sides of the placement cavity (11), and a through cavity (13) is formed outside the arc-shaped slots (12), fastening rings (2) are formed at both ends of the fixed upper cover (1), and fastening bolts (4) are passed through the fastening rings (2), a fixed base (3) is provided below the fixed upper cover (1), a rectangular slot (10) corresponding to the position of the rectangular plate (22) is provided on the upper end surface of the fixed base (3), and the rectangular plate (22) can be inserted into the rectangular slot (10), and a cable connection assembly is provided inside the placement cavity (11).

2. A high temperature resistant carbon fiber cable joint protection structure according to claim 1, characterized in that: The cable connection assembly comprises a main body screw (19), a connecting screw (20), and a positioning screw (21); the main body screw (19) is arranged inside the placement cavity (11); the inner wall of the main body screw (19) is provided with a thread; both ends of the main body screw (19) are screwed with connecting screws (20); the outer wall of the connecting screw (20) is provided with an external thread matching the thread provided on the inner wall of the main body screw (19); and the positioning screw (21) is passed through the body of the connecting screw (20).

3. A high temperature resistant carbon fiber cable joint protection structure according to claim 2, characterized in that: A cable body (5) is arranged inside the main spiral tube (19); the innermost layer of the cable body (5) is a conductor (6); the outer side of the conductor (6) is coated with an insulating layer (7); a wrapping tape (8) is arranged on the outer side of the insulating layer (7); and an outer sheath (9) is formed on the outer side of the wrapping tape (8).

4. A high temperature resistant carbon fiber cable joint protection structure according to claim 3, characterized in that: The conductor (6) is inserted into the connecting spiral tube (20); an external heat shrink tube (17) is sleeved on the end of the conductor (6) that contacts the connecting spiral tube (20); an internal heat shrink tube (18) is sleeved on the main body spiral tube (19); the internal heat shrink tube (18) covers the contact end of the connecting spiral tube (20) and the main body spiral tube (19).

5. A high temperature resistant carbon fiber cable joint protection structure according to claim 4, characterized in that: An internal sealing ring (16) is sleeved on the external heat shrink tube (17), and an inner end of the internal sealing ring (16) can be inserted into the arc-shaped slot (12).

6. A high temperature resistant carbon fiber cable joint protection structure according to claim 4, characterized in that: An external sealing ring (15) is provided on the outside of the external heat shrink tube (17); the external sealing ring (15) is located on the cable body (5); and the external sealing ring (15) is in contact with the inner wall of the fastening ring (2).

7. The high temperature resistant carbon fiber cable joint protection structure according to claim 1, characterized in that: The fixed upper cover (1) and the fixed base (3) have substantially the same structure, and connecting holes (14) are provided on the fixed upper cover (1) and the fixed base (3).

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