Power cable joint

Abstract

The utility model provides a power cable joint comprising a main body, one end of the main body is provided with a clamping claw, one end of the clamping claw far away from the main body is plugged with a clamping ring, the main body is internally provided with a first wire through hole, the clamping ring is internally provided with a second wire through hole communicated with the first wire through hole, and the second wire through hole is communicated with the second wire through hole. A packing nut is arranged at the end, away from the clamping claw, of the clamping ring, a sealing strip connected with the clamping claw in a sliding and inserted mode is arranged on the inner wall of the second wire through hole, and a sealing ring is arranged between the end, away from the sealing strip, of the second wire through hole and the sealing strip. According to the utility model, the packing nut, the sealing strip and the sealing ring are arranged, the sealing strip and the clamping claw are in sliding plug-in connection, the sealing strip and the clamping claw are in sealing connection, and the sealing ring is bent inwards, so that the sealing ring abuts against the surface of the cable to form a plurality of sealing structures, the sealing effect of the cable joint is improved, and the sealing structure is simpler than the prior art; and mounting and dismounting are convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of cable connectors, in particular to a power cable connector. Background Art

[0002] A cable is a device used to transmit electrical energy or signals. It has a complex and diverse structure and is widely used in various fields. A cable joint is a connection point between each section of a cable. It keeps the line unobstructed and the cable sealed, and ensures the insulation level at the cable joint so that it can operate safely and reliably. Existing cable joints have the following shortcomings. A cable joint is usually provided with a clamping claw and a clamping ring. When installing the cable joint, the clamping ring and the clamping claw are sleeved so that the clamping claw bends inward, and the clamping claw abuts against the surface of the cable, thereby fixing the cable and the joint. This method can achieve rapid fixation of the joint and the cable, but this method has a poor liquid sealing effect and requires the addition of a liquid sealing structure, which makes the cable joint complex in structure and inconvenient to install and disassemble. Utility Model Content

[0003] The problem that the utility model aims to solve is that the sealing structure of the existing cable joint is inconvenient to install and disassemble.

[0004] In order to solve the above technical problems, the utility model provides a power cable connector, including a main body, a clamping claw is formed at one end of the main body, a clamping ring is inserted into the end of the clamping claw away from the main body, a first wire hole is opened inside the main body, a second wire hole connected to the first wire hole is opened inside the clamping ring, a clamping nut is arranged at the end of the clamping ring away from the clamping claw, a sealing strip slidably inserted with the clamping claw is arranged on the inner wall of the second wire hole, a sealing ring is arranged between the end of the second wire hole away from the sealing strip and the sealing strip, and a third wire hole connected to the second wire hole is opened inside the clamping nut.

[0005] Preferably, a threaded connection portion extending circumferentially outward is provided on the surface of the main body, and the third wire hole is threadedly connected to the threaded connection portion.

[0006] Preferably, a clamping portion with a gradually decreasing diameter is formed at one end of the third wire hole away from the clamping ring.

[0007] Preferably, a plurality of separation grooves are spaced apart at one end of the clamping claw away from the main body, and the plurality of separation grooves are slidably plugged with the sealing strip.

[0008] Preferably, a baffle is provided at one end of the threaded connection portion away from the clamping claw.

[0009] Preferably, a fixing plate is symmetrically arranged at one end of the main body away from the clamping claw, and the fixing plate is provided with two fixing ears in a direction perpendicular to the length of the main body.

[0010] Preferably, a mounting hole is opened in the middle of the fixing ear, a fastening screw is arranged in the mounting hole, and fastening nuts are threadedly connected at both ends of the fastening screw.

[0011] Preferably, the length of the clamping ring is not less than the length of the separation groove, and the clamping ring and the clamping claw are slidably connected to the third wire hole.

[0012] Preferably, the length of the clamping nut is not less than the length of the clamping claw.

[0013] Preferably, a hexagonal flange is provided on the surface of the locking nut.

[0014] Compared with the prior art, the utility model provides a power cable connector, which has the following beneficial effects:

[0015] 1. The utility model provides a clamping nut, a sealing strip and a sealing ring, and the sealing strip and the clamping claw are slidably plugged in, so that the sealing strip and the clamping claw are sealed and connected, thereby making the first wire hole and the second wire hole sealed and connected. After the clamping nut and the main body are installed, the inner wall of the clamping nut makes the clamping ring bend inward, so that the clamping ring drives the sealing ring to bend inward, so that the sealing ring and the surface of the cable abut, thereby forming multiple sealing structures, so that the sealing effect of the cable joint is improved. At the same time, the sealing structure of the utility model is formed by the sliding plugging of the clamping ring and the clamping claw. The sealing structure is simpler than the prior art and is easy to install and disassemble. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is the first schematic diagram of the main structure of the utility model;

[0017] Figure 2 It is the second schematic diagram of the main structure of the utility model;

[0018] Figure 3 yes Figure 2 Enlarged view of part A in the middle;

[0019] Figure 4 It is a schematic diagram of the structure of the tightening nut of the utility model.

[0020] In the figure: 1. main body; 2. clamping claw; 3. clamping ring; 4. first wire hole; 5. second wire hole; 6. clamping nut; 7. sealing strip; 8. sealing ring; 9. third wire hole; 10. threaded connection part; 11. clamping part; 12. dividing groove; 13. baffle; 14. fixing plate; 15. fixing ear; 16. mounting hole; 17. fastening screw; 18. fastening nut. DETAILED DESCRIPTION

[0021] The utility model relates to a power cable connector, such as Figure 1-4 As shown, it includes a main body 1, a clamping claw 2 is formed at one end of the main body 1, a clamping ring 3 is inserted at the end of the clamping claw 2 away from the main body 1, a first wire hole 4 is opened inside the main body 1, a second wire hole 5 connected with the first wire hole 4 is opened inside the clamping ring 3, a clamping nut 6 is arranged at the end of the clamping ring 3 away from the clamping claw 2, a sealing strip 7 slidably plugged with the clamping claw 2 is arranged on the inner wall of the second wire hole 5, a sealing ring 8 is arranged between the end of the second wire hole 5 away from the sealing strip 7 and the sealing strip 7, a third wire hole 9 connected with the second wire hole 5 is opened inside the clamping nut 6, by setting the main body 1, the main body 1 is used as the installation main body 1 of the cable connector, the first wire hole 4 for passing the cable is opened inside the main body 1, a clamping claw 2 is formed at one end of the main body 1, the end of the clamping claw 2 away from the main body 1 is parallel to the length direction of the main body 1, and the clamping claw 2 is made of plastic material with good toughness, by setting the clamping ring 3 The diameter of the clamping ring 3 is smaller than the diameter of the clamping claw 2. The clamping ring 3 is sleeved from the outside of the clamping claw 2 to drive the clamping claw 2 to bend inward, so that the clamping claw 2 and the surface of the cable abut. The second wire hole 5 is opened in the clamping ring 3, and the first wire hole 4 and the second wire hole 5 are connected. By setting the sealing strip 7 and the sealing ring 8, the sealing strip 7 and the clamping claw 2 are slidably plugged, so that the sealing strip 7 and the clamping claw 2 are sealed and connected, so that the first wire hole 4 and the second wire hole 5 are sealed and connected. After the clamping nut 6 and the main body 1 are installed, the inner wall of the clamping nut 6 makes the clamping ring 3 bend inward, so that the clamping ring 3 drives the sealing ring 8 to bend inward, so that the sealing ring 8 and the surface of the cable abut, thereby forming multiple sealing structures, so that the sealing effect of the cable joint is improved, and the third wire hole 9 is set. The first wire hole 4, the second wire hole 5 and the third wire hole 9 are connected, so that the cable line passes through the sealing ring 8 and the clamping nut 6 in turn.

[0022] In an embodiment of the utility model, a threaded connection portion 10 extending circumferentially outward is provided on the surface of the main body 1, and the third wire hole 9 is threadedly connected to the threaded connection portion 10. By providing the threaded connection portion 10, the third wire hole 9 and the threaded connection portion 10 are threadedly connected, so that the locking nut 6 and the main body 1 are installed and fixed.

[0023] In an embodiment of the utility model, a clamping portion 11 with a gradually decreasing diameter is formed at one end of the third wire hole 9 away from the clamping ring 3. By providing the clamping portion 11, since the bracket of the clamping portion 11 gradually decreases, the clamping nut 6 and the main body 1 are threadedly connected, the clamping portion 11 squeezes the sealing ring 8 inward, and the clamping portion 11 causes the sealing ring 8 to bend inward, thereby fixing the cable and the clamping portion 11.

[0024] In an embodiment of the utility model, a plurality of partition grooves 12 are spaced apart at one end of the clamping claw 2 away from the main body 1, and the plurality of partition grooves 12 are slidably plugged with the sealing strip 7. By providing the partition grooves 12, the sealing strip 7 and the partition grooves 12 are slidably plugged, and the surface of the sealing strip 7 abuts against the surface of the clamping claw 2.

[0025] In the embodiment of the utility model, a baffle 13 is provided at one end of the threaded connection part 10 away from the clamping claw 2. By providing the baffle 13, the main body 1 is clamped with the installation end face through the baffle 13, so that the cable connector and the installation end face are fixedly installed.

[0026] In an embodiment of the utility model, a fixing plate 14 is symmetrically provided at one end of the main body 1 away from the clamping claw 2, and the fixing plate 14 is provided with two fixing ears 15 in a direction perpendicular to the length of the main body 1. By providing the fixing plate 14 and the fixing ears 15, the cable is passed through the fixing plates 14 into the first wire hole 4, and by connecting the fixing ears 15 corresponding to each other of the two fixing plates 14, the fixing plate 14 and the cable are installed and fixed, thereby improving the stability of the main body 1 and the cable.

[0027] In the embodiment of the utility model, a mounting hole 16 is opened in the middle of the fixing ear 15, a fastening screw 17 is arranged in the mounting hole 16, and fastening nuts 18 are threadedly connected to both ends of the fastening screw 17. By setting the mounting hole 16, the fastening screw 17 and the fastening nut 18, when the fixing ear 15 is installed, the fastening screw 17 is passed through the mounting hole 16, and then the fastening nut 18 is used to rotate from both ends of the fastening screw 17 toward the fixing ear 15, so that the two fixing ears 15 are close to each other, thereby clamping the fixing plate 14 and the cable.

[0028] In an embodiment of the utility model, the length of the clamping ring 3 is not less than the length of the dividing groove 12, and the clamping ring 3 and the clamping claw 2 are slidably connected with the third wire hole 9. By setting the above structure, the clamping ring 3 drives the sealing strip 7 and the dividing groove 12 to be plugged in, so that the dividing groove 12 and the sealing strip 7 are in full contact, thereby improving the sealing effect.

[0029] In the embodiment of the utility model, the length of the clamping nut 6 is not less than the length of the clamping claw 2. By setting the above structure, the clamping claw 2 and the third wire hole 9 are sleeved, thereby ensuring that the clamping part 11 and the sealing ring 8 are in contact.

[0030] In the embodiment of the utility model, a hexagonal flange is provided on the surface of the clamping nut 6. By providing the hexagonal flange, the clamping nut 6 can be conveniently and labor-savingly rotated by a wrench during installation and removal.

[0031] When in use, first, install the cable and the cable connector. During installation, insert the main body 1 from the installation end face so that the baffle 13 and the installation end face are clamped, and the cable is inserted into the first wire hole 4 between the two fixing plates 14, and the cable is passed through the second wire hole 5 and the third wire hole 9 in sequence, and then the fastening nut 18 is rotated toward the fixing ear 15 so that the two fixing ears 15 drive the fixing plate 14 and the cable to abut against each other, so that the fixing plate 14 and the cable are fixedly installed, and then the clamping ring 3 is moved toward the clamping claw 2, so that the sealing strip 7 and the dividing groove 12 are slidably plugged, and then the hexagonal flange is driven to rotate by a wrench to drive the locking nut 6 to rotate, so that the third wire hole 9 and the threaded connecting part 10 are threadedly connected, and the locking nut 6 moves toward the main body 1, driving the locking part 11 to move toward the clamping ring 3, and the inner wall of the clamping ring 3 squeezes the surface of the clamping ring 3, so that the clamping ring 3 bends inwardly, and the clamping ring 3 drives the sealing ring 8 and the sealing strip 7 to bend, and at the same time abuts against the cable line, and the cable line and the cable connector are installed.

[0032] It is understood that the present invention is described by some embodiments, and those skilled in the art are aware that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. In addition, under the teachings of the present invention, these features and embodiments may be modified to adapt to specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the scope of protection of the present invention.

Claims

1. A power cable connector, comprising a main body (1), characterized in that: A clamping claw (2) is formed at one end of the main body (1), and a clamping ring (3) is inserted at the end of the clamping claw (2) away from the main body (1). A first wire hole (4) is provided inside the main body (1), and a second wire hole (5) connected to the first wire hole (4) is provided inside the clamping ring (3). A clamping nut (6) is provided at the end of the clamping ring (3) away from the clamping claw (2), and a sealing strip (7) slidably inserted with the clamping claw (2) is provided on the inner wall of the second wire hole (5). A sealing ring (8) is provided between the end of the second wire hole (5) away from the sealing strip (7) and the sealing strip (7), and a third wire hole (9) connected to the second wire hole (5) is provided inside the clamping nut (6).

2. A power cable connector according to claim 1, characterized in that: The surface of the main body (1) is provided with a threaded connection portion (10) extending circumferentially outward, and the third wire hole (9) is threadedly connected to the threaded connection portion (10).

3. A power cable connector according to claim 2, characterized in that: An end of the third wire hole (9) away from the clamping ring (3) is formed with a tightening portion (11) with a gradually decreasing diameter.

4. A power cable connector according to claim 3, characterized in that: A plurality of separation grooves (12) are spaced apart at one end of the clamping claw (2) away from the main body (1), and the plurality of separation grooves (12) are slidably plugged with the sealing strip (7).

5. A power cable connector according to claim 4, characterized in that: A baffle (13) is provided at one end of the threaded connection portion (10) away from the clamping claw (2).

6. A power cable connector according to claim 5, characterized in that: A fixing plate (14) is symmetrically arranged at one end of the main body (1) away from the clamping claw (2), and the fixing plate (14) is provided with two fixing ears (15) in a direction perpendicular to the length of the main body (1).

7. A power cable connector according to claim 6, characterized in that: A mounting hole (16) is provided in the middle of the fixing ear (15), a fastening screw (17) is provided in the mounting hole (16), and fastening nuts (18) are threadedly connected at both ends of the fastening screw (17).

8. A power cable connector according to claim 7, characterized in that: The length of the clamping ring (3) is not less than the length of the separation groove (12), and the clamping ring (3) and the clamping claw (2) are slidably connected to the third wire hole (9).

9. A power cable connector according to any one of claims 1 to 8, characterized in that: The length of the clamping nut (6) is not less than the length of the clamping claw (2).

10. A power cable connector according to any one of claims 1 to 8, characterized in that: The surface of the locking nut (6) is provided with a hexagonal flange.

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