High-voltage cable accessory

Abstract

The utility model discloses a high-voltage cable accessory, which comprises a lower insulating shell and an upper insulating shell which are hinged with each other, a fixed shell is fixedly arranged on one side of the lower insulating shell, a bidirectional lead screw is rotatably arranged in the fixed shell, two L-shaped fixed blocks are in threaded connection with the bidirectional lead screw, a fixed plate is fixedly arranged on one side of the upper insulating shell, and the two L-shaped fixed blocks are in threaded connection with the fixed plate. Two fixing grooves matched with the fixing blocks are formed in the lower end of the fixing plate, two moving grooves matched with the fixing blocks are formed in the fixing shell, a fixing chamber is arranged at one end of the fixing shell, a limiting ring is fixedly arranged in the fixing chamber, one end of the bidirectional lead screw extends into the fixing chamber and is fixedly connected with a gear ring, and a rotating cylinder matched with the gear ring is movably arranged on the outer side of the gear ring. A rotating handle is arranged on one side of the rotating cylinder, one end of the rotating handle penetrates through the limiting ring and extends out of the fixing chamber, the upper insulating shell, the lower insulating shell and the upper insulating shell can be rapidly fixed together, the whole process can be completed without using a professional tool to screw a plurality of screws by a worker, and the working efficiency of high-voltage cable connection is improved.

Description

Technical Field

[0001] This utility model relates to the field of high-voltage cable technology, and more specifically, to a high-voltage cable accessory. Background Technology

[0002] Cable accessories refer to various components used for cable connections, branches, joints, terminations, and for protecting and securing cables. Cable accessories are crucial for ensuring the safe, reliable, and economical operation of cable systems. With the increasing use of high-voltage cables, the demand for high-voltage cable joint accessories has also surged. Existing high-voltage cable accessories typically consist of two arc-shaped insulating shells. During use, the high-voltage cable joint is placed inside the insulating shell, and then the two shells are secured together using multiple screws and nuts. This installation process requires workers to use specialized tools to tighten numerous screws, wasting installation time and reducing the efficiency of high-voltage cable connections. Secondly, existing high-voltage cable accessories often lack components for securing the high-voltage cable, making the connection at the joint unstable and prone to separation under unexpected external forces, thus affecting the normal use of the high-voltage cable. Utility Model Content

[0003] (a) Technical problems to be solved

[0004] To address the problems existing in the prior art, this utility model provides a high-voltage cable accessory to solve the technical problem mentioned in the background art, which requires multiple screws and nuts to fix two insulating shells together, and the entire installation process requires workers to use professional tools to tighten multiple screws.

[0005] (II) Technical Solution

[0006] To achieve the above objectives, this utility model provides the following technical solution: a high-voltage cable accessory, comprising a lower insulating shell and an upper insulating shell hinged together, a fixed shell fixedly mounted on one side of the lower insulating shell, a bidirectional screw rotatably mounted inside the fixed shell, two L-shaped fixing blocks threaded onto the bidirectional screw, a fixed plate fixedly mounted on one side of the upper insulating shell, two fixing grooves cooperating with the fixing blocks at the lower end of the fixed plate, two moving grooves cooperating with the fixing blocks on the fixed shell, a fixed chamber at one end of the fixed shell, a limiting ring fixedly mounted inside the fixed chamber, one end of the bidirectional screw extending into the fixed chamber and fixedly connected to a toothed ring, a rotating cylinder movably mounted outside the toothed ring and cooperating with the toothed ring, a handle on one side of the rotating cylinder, and one end of the handle extending through the limiting ring to the outside of the fixed chamber;

[0007] Two insulating seats are fixedly installed inside the lower insulating shell, and two arc-shaped pressing plates are movably installed inside the upper insulating shell.

[0008] The present invention is further configured such that the upper insulating shell is threadedly connected to two screws, and the lower end of each screw passes through the upper insulating shell and is rotatably connected to the pressing plate through a bearing, which facilitates the movement of the pressing plate.

[0009] The present invention is further provided that the insulating base is provided with a placement groove to facilitate the placement of high-voltage cables.

[0010] The present invention is further provided with two limiting rods symmetrically provided at the upper end of the pressing plate to facilitate limiting the pressing plate.

[0011] The present invention is further configured such that the upper end of each limiting rod passes through the upper insulating shell and is fixedly connected to a limiting plate, which facilitates limiting the position of the limiting rod.

[0012] The present invention is further provided with wire-passing grooves on both sides of the upper insulating shell and the lower insulating shell, so as to facilitate placing one end of the high-voltage cable into the lower insulating shell and the upper insulating shell.

[0013] The present invention is further configured such that a movable ring is slidably connected to a track in the fixed chamber, and the movable ring is movably connected to a bidirectional lead screw.

[0014] The present invention is further configured such that a plurality of springs are fixedly connected between the movable ring and the fixed chamber, and one side of the movable ring is rotatably connected to the rotating cylinder.

[0015] (III) Beneficial Effects

[0016] Compared with the prior art, the present invention provides a high-voltage cable accessory, which has the following beneficial effects:

[0017] 1. By using the combination of the lower insulating shell, upper insulating shell, fixed shell, bidirectional lead screw, fixed block, fixed plate, fixed groove, moving groove, fixed chamber, limit ring, toothed ring, rotating cylinder, throttle and wire-threading groove, the upper and lower insulating shells and the upper insulating shell can be quickly fixed together. The whole process can be completed without the need for workers to use professional tools to tighten multiple screws, saving installation time and improving the efficiency of high-voltage cable connection.

[0018] 2. By cooperating with the insulating base, pressing plate, screw, placement groove, limiting rod and limiting plate, the two connected cables can be fixed after the lower insulating shell and the upper insulating shell are fixed, avoiding the phenomenon of separation at the joint under the action of external force, increasing the stability of the high-voltage cable connection and ensuring the normal use of the high-voltage cable.

[0019] 3. By using the gear ring, rotating cylinder, moving ring and spring in combination, the rotating cylinder can be separated from the gear ring when the bidirectional lead screw does not need to be rotated, thereby avoiding the phenomenon of the bidirectional lead screw rotating under the action of external force and ensuring the stability of the lower insulation shell and the upper insulation shell. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure of a high-voltage cable accessory in use.

[0021] Figure 2 for Figure 1 A magnified view of part A in the diagram;

[0022] Figure 3 A cross-sectional schematic diagram of the fixing shell and its connecting components in the fixed state of the fixing plate;

[0023] Figure 4 for Figure 3 A magnified view of part B in the diagram;

[0024] Figure 5 This is a cross-section of the upper insulating shell and its connecting components when the pressing plate is in a moving state.

[0025] In the diagram: 1. Lower insulating shell; 2. Upper insulating shell; 3. Fixed shell; 4. Bidirectional lead screw; 5. Fixed block; 6. Fixed plate; 7. Fixed groove; 8. Moving groove; 9. Fixed chamber; 10. Limiting ring; 11. Gear ring; 12. Rotating cylinder; 13. Turning handle; 14. Insulating seat; 15. Pressing plate; 16. Screw; 17. Placement groove; 18. Limiting rod; 19. Limiting plate; 20. Wire groove; 21. Moving ring; 22. Spring. Detailed Implementation

[0026] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0027] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains.

[0028] In this utility model, unless otherwise stated, the orientations used, such as "up" and "down", usually refer to the direction shown in the accompanying drawings, or to the vertical, perpendicular, or gravitational direction; similarly, for ease of understanding and description, "left" and "right" usually refer to the left and right shown in the accompanying drawings; "inner" and "outer" refer to the inner and outer contours of each component itself, but the above directional terms are not used to limit this utility model.

[0029] Please see Figure 1-5A high-voltage cable accessory includes a lower insulating shell 1 and an upper insulating shell 2 connected by hinges. A fixed shell 3 is fixedly provided on one side of the lower insulating shell 1. A bidirectional lead screw 4 is rotatably provided inside the fixed shell 3. Two L-shaped fixing blocks 5 are threadedly connected to the bidirectional lead screw 4. A fixed plate 6 is fixedly provided on one side of the upper insulating shell 2. The lower end of the fixed plate 6 is provided with two fixing grooves 7 that cooperate with the fixing blocks 5. The fixed shell 3 is provided with two moving grooves 8 that cooperate with the fixing blocks 5. A fixed chamber 9 is provided at one end of the fixed shell 3. A limiting ring 10 is fixedly provided inside the fixed chamber 9. One end of the bidirectional lead screw 4 extends into the fixed chamber 9 and is fixedly connected to a toothed ring 11. A rotating cylinder 12 that cooperates with the toothed ring 11 is movably provided on the outside of the toothed ring 11. A handle 13 is provided on one side of the rotating cylinder 12. One end of the handle 13 extends through the limiting ring 10 to the outside of the fixed chamber 9.

[0030] Two insulating seats 14 are fixedly installed inside the lower insulating shell 1, and two arc-shaped pressing plates 15 are movably installed inside the upper insulating shell 2.

[0031] In this embodiment, when the entire accessory is needed, the two ends of the two high-voltage cables are connected and placed into the lower insulating shell 1. The upper insulating shell 2 is pushed so that it rotates around the hinge connection with the lower insulating shell 1. The upper insulating shell 2 drives the fixing plate 6 to rotate until it contacts the fixing shell 3. At this time, the two fixing blocks 5 are inserted into the two fixing slots 7. The handle 13 is turned, and the handle 13 drives the rotating cylinder 12 to rotate. The rotating cylinder 12 has a groove that cooperates with the toothed ring 11, so the toothed ring 11 is driven to rotate through the groove. The toothed ring 11 drives the bidirectional lead screw 4 to rotate. The bidirectional lead screw 4 has two threaded areas with opposite directions, so that the two fixing blocks 5 move in the direction of separation. The fixing blocks 5 will be stuck in the fixing slots 7, thereby fixing the fixing plate 6, and thus fixing the lower insulating shell 1 and the upper insulating shell 2 together.

[0032] More specifically, by rotating the handle 13, the two fixing blocks 5 can be engaged in the two fixing slots 7, thereby fixing the lower insulating shell 1 and the upper insulating shell 2 together. When it is necessary to fix the high-voltage cable in the upper insulating shell 2, the high-voltage cable is placed on the insulating seat 14. When the pressing plate 15 moves downward, the pressing plate 15 cooperates with the insulating seat 14 to fix the high-voltage cable.

[0033] Please see Figure 1-5 As one embodiment of moving the pressing plate 15: the upper insulating shell 2 is threadedly connected to two screws 16, the lower end of each screw 16 passes through the upper insulating shell 2 and is rotatably connected to the pressing plate 15 through a bearing, the insulating seat 14 is provided with a placement groove 17, and the upper end of the pressing plate 15 is symmetrically provided with two limiting rods 18, the upper end of each limiting rod 18 passes through the upper insulating shell 2 and is fixedly connected to a limiting plate 19.

[0034] Specifically, rotating the screw 16 causes it to move downwards as it rotates, due to its threaded connection to the upper insulating shell 2. The screw 16, via a bearing, drives the pressing plate 15 to move. The pressing plate 15 then moves the limiting rod 18 to limit its movement. The limiting rod 18, in turn, moves the limiting plate 19 to limit its movement. With the cooperation of the pressing plate 15 and the insulating seat 14, the high-voltage cable is fixed into the placement groove 17. The pressing plate 15 is also made of insulating material.

[0035] Please see Figure 1-5 As one embodiment of placing high-voltage cables inside the upper insulating shell 2 and the lower insulating shell 1: the upper insulating shell 2 and the lower insulating shell 1 are respectively provided with wire grooves 20 on both sides.

[0036] Specifically, the high-voltage cable can be placed into the upper insulating shell 2 and the lower insulating shell 1 through the cable tray 20.

[0037] Please see Figure 1-5 As one embodiment of moving the rotating cylinder 12: a movable ring 21 is slidably connected to the fixed chamber 9 via a track. The movable ring 21 is movably connected to the bidirectional lead screw 4. Multiple springs 22 are fixedly connected between the movable ring 21 and the fixed chamber 9. One side of the movable ring 21 is rotatably connected to the rotating cylinder 12.

[0038] Specifically, when the bidirectional lead screw 4 needs to be rotated, the handle 13 is pulled, and the handle 13 drives the rotating cylinder 12 to move, so that the rotating cylinder 12 moves to the outside of the gear ring 11. The rotating cylinder 12 drives the moving ring 21 to move along the sliding connection with the fixed chamber 9, and the spring 22 is stretched. The rotating cylinder 12 has multiple grooves that cooperate with the gear ring 11. When the handle 13 is rotated, the handle 13 drives the bidirectional lead screw 4 to rotate through the grooves and the gear ring 11. When the bidirectional lead screw 4 is not needed, the handle is released. Under the action of the spring 22, the moving ring 21 drives the rotating cylinder 12 to move back to its original position, and the rotating cylinder 12 separates from the gear ring 11. At this time, rotating the rotating cylinder 12 will not drive the bidirectional lead screw 4 to rotate.

[0039] In summary, when using the overall equipment:

[0040] When the bidirectional lead screw 4 needs to be rotated, pull the handle 13. The handle 13 drives the rotating cylinder 12 to move, so that the rotating cylinder 12 moves to the outside of the gear ring 11. The limiting ring 10 limits it. The rotating cylinder 12 drives the moving ring 21 to move along the sliding connection with the fixed chamber 9. The spring 22 is stretched. The rotating cylinder 12 has multiple grooves that cooperate with the gear ring 11. When the handle 13 is rotated, the handle 13 drives the bidirectional lead screw 4 to rotate through the grooves and the gear ring 11. When the bidirectional lead screw 4 is not needed, release the handle. Under the action of the spring 22, the moving ring 21 drives the rotating cylinder 12 to move back to its original position. The rotating cylinder 12 separates from the gear ring 11. At this time, rotating the rotating cylinder 12 will not drive the bidirectional lead screw 4 to rotate.

[0041] When it is necessary to fix the upper insulating shell 2 and the lower insulating shell 1, the two ends of the two high-voltage cables are connected respectively and placed into the lower insulating shell 1 through the wire passage 20 and placed on the insulating base 14. Push the upper insulating shell 2 so that the upper insulating shell 2 rotates around the hinge connection with the lower insulating shell 1. The upper insulating shell 2 drives the fixing plate 6 to rotate until it contacts the fixing shell 3. At this time, the two fixing blocks 5 are inserted into the two fixing slots 7. Rotate the bidirectional lead screw 4. The bidirectional lead screw 4 has two threaded areas with opposite directions, so that the two fixing blocks 5 move in the direction of separation. The fixing blocks 5 will be stuck in the fixing slots 7, thereby fixing the fixing plate 6, and thus fixing the lower insulating shell 1 and the upper insulating shell 2 together.

[0042] When it is necessary to fix the high-voltage cable inside the upper insulating shell 2 and the lower insulating shell 1, since the high-voltage cable is placed on the insulating base 14, after the upper insulating shell 2 and the lower insulating shell 1 are fixed, the screw 16 is rotated. Because the screw 16 is threadedly connected to the upper insulating shell 2, the screw 16 rotates and moves downwards. The screw 16 drives the pressing plate 15 to move through the bearing. The pressing plate 15 drives the limiting rod 18 to move and limit it. The limiting rod 18 drives the limiting plate 19 to move and limit the limiting rod 18. With the cooperation of the pressing plate 15 and the insulating base 14, the high-voltage cable is fixed in the placement groove 17. The pressing plate 15 is also made of insulating material.

[0043] Of all the solutions mentioned above, those involving the connection between two components can be selected according to the actual situation, such as welding, bolt and nut connection, bolt or screw connection, or other known connection methods, which will not be elaborated here. For all the fixed connections mentioned above, welding is preferred. Although embodiments of this utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of this utility model. The scope of this utility model is defined by the appended claims and their equivalents.

Claims

1. A high-voltage cable accessory, comprising a lower insulating shell (1) and an upper insulating shell (2) hinged together, characterized in that: A fixed shell (3) is fixedly provided on one side of the lower insulating shell (1). A bidirectional screw (4) is rotatably provided inside the fixed shell (3). Two L-shaped fixed blocks (5) are threadedly connected to the bidirectional screw (4). A fixed plate (6) is fixedly provided on one side of the upper insulating shell (2). Two fixed grooves (7) that cooperate with the fixed blocks (5) are provided at the lower end of the fixed plate (6). Two moving grooves (8) that cooperate with the fixed blocks (5) are provided on the fixed shell (3). A fixed chamber (9) is provided at one end of the fixed shell (3). A limiting ring (10) is fixedly provided inside the fixed chamber (9). One end of the bidirectional screw (4) extends into the fixed chamber (9) and is fixedly connected to a toothed ring (11). A rotating cylinder (12) that cooperates with the toothed ring (11) is movably provided on the outside of the toothed ring (11). A handle (13) is provided on one side of the rotating cylinder (12). One end of the handle (13) extends through the limiting ring (10) to the outside of the fixed chamber (9). The lower insulating shell (1) is fixedly provided with two insulating seats (14), and the upper insulating shell (2) is movably provided with two arc-shaped pressing plates (15).

2. A high-voltage cable accessory according to claim 1, characterized in that: The upper insulating shell (2) is threadedly connected to two screws (16), and the lower end of each screw (16) passes through the upper insulating shell (2) and is rotatably connected to the pressing plate (15) through a bearing.

3. A high-voltage cable accessory according to claim 2, characterized in that: The insulating base (14) is provided with a placement groove (17).

4. A high-voltage cable accessory according to claim 3, characterized in that: Two limiting rods (18) are symmetrically provided on the upper end of the pressing plate (15).

5. A high-voltage cable accessory according to claim 4, characterized in that: Each of the limiting rods (18) has its upper end passing through the upper insulating shell (2) and is fixedly connected to a limiting plate (19).

6. A high-voltage cable accessory according to any one of claims 1 or 2, characterized in that: The upper insulating shell (2) and the lower insulating shell (1) are respectively provided with wire grooves (20) on both sides.

7. A high-voltage cable accessory according to claim 1, characterized in that: The fixed chamber (9) is connected to a sliding ring (21) via a track, and the sliding ring (21) is movably connected to a bidirectional lead screw (4).

8. A high-voltage cable accessory according to claim 7, characterized in that: Multiple springs (22) are fixedly connected between the movable ring (21) and the fixed chamber (9), and one side of the movable ring (21) is rotatably connected to the rotating cylinder (12).

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