A transparent insulating cover

Abstract

The utility model belongs to the technical field of electric power equipment, concretely relates to a transparent insulating cover. Including insulating cover body, the insulating cover body has the outgoing line cylinder that extends to the side: the outgoing line cylinder's outer wall is equipped with at least one ribbon fixed ear, the ribbon fixed ear is equipped with the through ribbon perforation, the ribbon perforation is used for setting up the ribbon, and the ribbon passes through the ribbon perforation and embraces the external cable and locks tightly. The utility model discloses through above-mentioned technical scheme can obtain a kind of transparent insulating cover, which can be stably bound with cable, prevent displacement and slip.

Description

Technical Field

[0001] This utility model belongs to the field of power equipment technology, and specifically relates to a transparent insulating cover. Background Technology

[0002] Transparent insulating covers are high-voltage protection components widely used in power distribution networks. They are mainly used to cover the exposed terminals of outdoor electrical equipment such as distribution transformers and pole-mounted fuses. Through insulation, they prevent personnel from accidentally touching live parts, while also blocking rainwater, dust and foreign objects from entering, thus ensuring the safe operation of the equipment.

[0003] Currently, most conventional transparent insulating covers are installed using a stacking method, relying solely on their own weight to sit on top of the equipment conduit without an effective lateral restraint and fixing structure. Under the long-term effects of wind loads, thermal expansion and contraction on the cables, the cover is prone to lateral displacement and tilting on one side, and in severe cases, it can slip directly off the top of the conduit, leading to failure of insulation protection, damage to internal sealing performance, and subsequent operational hazards such as oxidation and corrosion of the terminals and decreased insulation performance. Therefore, there is an urgent need for a transparent insulating cover that can be stably bound to the cable and prevent displacement and slippage. Utility Model Content

[0004] This invention solves the problems mentioned in the background art by providing cable tie fixing ears with through holes on the outer wall of the cable outlet tube of the transparent insulating cover, so that the cable tie can pass through the through holes to wrap around and lock the external cable, thereby achieving relative fixation between the insulating cover and the cable.

[0005] The technical solution of this utility model is implemented as follows: a transparent insulating cover includes an insulating cover body, wherein a wire outlet tube extends laterally from the insulating cover body. The outer wall of the cable tray is provided with at least one cable tie fixing lug. The cable tie fixing lug has a through cable tie hole for threading the cable tie through. After the cable tie passes through the cable tie hole, it wraps around the external cable and locks it in place.

[0006] The present invention is further configured such that the number of cable tie fixing ears is two, and the two cable tie fixing ears are arranged symmetrically at 180° along the radial direction of the cable outlet tube.

[0007] The present invention is further configured such that each of the cable tie fixing ears has a plurality of cable tie through holes distributed circumferentially along the cable outlet tube.

[0008] The present invention is further configured such that the cable tie fixing ear is located axially close to the insulating cover body of the cable outlet cylinder, and a preset distance is left between it and the outer end face of the cable outlet cylinder.

[0009] The present invention is further configured such that the cable tie fixing ear, the cable outlet tube, and the insulating cover body are integrally injection molded structures.

[0010] The present invention is further provided that the root of the cable tie fixing ear that connects to the outer wall of the cable tube is provided with an arc transition reinforcement part.

[0011] By adopting the above technical solution, the beneficial effects that this utility model can achieve are: 1. By threading cable ties through the cable tie holes of the cable tie fixing ears and wrapping them around the cable to lock them in place, the insulating cover body and the cable are kept relatively fixed, limiting the lateral displacement of the cover body and improving the installation stability of the insulating cover.

[0012] 2. By using cable ties to secure the cables and maintain their position, the insulation cover body and the supporting equipment are kept aligned and fitted, ensuring uniform circumferential compression of the sealing structure and improving the sealing and protection effect of the insulation cover.

[0013] 3. The cable tie fixing lugs bear the binding load, preventing the cable tie from directly squeezing the tube wall. Combined with the rounded transition structure at the root, the stress is distributed, improving the structural durability of the tube. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a front view structural schematic diagram of one direction of this utility model.

[0015] The attached diagram is labeled as follows: 1. Insulating cover body; 2. Cable tube; 3. Cable tie fixing ear; 4. Cable tie through hole; 5. Cable tie; 6. Cable; 7. Arc transition reinforcement section. Detailed Implementation

[0016] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. See also: Figure 1-2 : Example:

[0017] This embodiment provides a transparent insulating cover, including an insulating cover body 1, wherein a wire outlet tube 2 extends laterally from the insulating cover body 1. The outer wall of the cable outlet tube 2 is provided with at least one cable tie 5 fixing lug 3. The cable tie 5 fixing lug 3 has a through cable tie hole 4. The cable tie hole 4 is used to pass through the cable tie 5. After the cable tie 5 passes through the cable tie hole 4, it wraps around the external cable 6 and locks it.

[0018] The transparent insulating cover described in this embodiment is used to cover the exposed terminals of electrical equipment such as distribution transformers and outdoor fuses, achieving insulation isolation and protection for high-voltage live parts. The insulating cover includes an insulating cover body 1 and a cable outlet cylinder 2. The insulating cover body 1 is a hollow cover-shaped structure with an internal cavity for accommodating the equipment's terminals and clamps. It is made of weather-resistant and insulating transparent material, allowing observation of the internal terminals' operating status from the outside of the cover. The cable outlet cylinder 2 is a cylindrical structure with both ends open, located on the side wall of the insulating cover body 1. The inner cavity of the cable outlet cylinder 2 is interconnected with the inner cavity of the insulating cover body 1. The cable outlet cylinder 2 and the insulating cover body 1 are integrally molded from the same material, with a smooth transition at their connection. The high-voltage cable 6 can extend into the insulating cover body 1 through the cable outlet cylinder 2 and connect to the terminals. The cable outlet cylinder 2 provides lateral insulation protection for the cable 6's exit section.

[0019] The outer wall of the cable tray 2 is provided with cable tie 5 fixing ears 3. The cable tie 5 fixing ears 3 are flat, sheet-like structures protruding outward from the outer wall of the cable tray 2. Their function is to serve as the load-bearing structure for the cable tie 5, bearing the tensile load during the binding operation and preventing the binding force from acting directly on the thin-walled part of the cable tray 2. The root of the cable tie 5 fixing ears 3 is connected to the outer wall of the cable tray 2. The two are integrally injection molded continuous structures without splicing or adhesive seams. In practical applications, at least one cable tie 5 fixing ear 3 can be set to achieve a basic binding and fixing effect. When two are set, the two cable tie 5 fixing ears 3 are arranged symmetrically at 180° along the radial direction of the cable tray 2. The symmetrical structure on both sides can make the binding force evenly distributed and avoid the insulation cover body 1 from tilting and warping due to unilateral force.

[0020] Each cable tie 5 fixing ear 3 has a cable tie through hole 4, which is a through hole extending along the thickness direction of the cable tie 5 fixing ear 3. Its function is to allow the cable tie 5 to pass through, thereby constraining the position of the cable tie 5 and preventing the cable tie 5 from sliding or shifting axially or circumferentially along the outer wall of the cable outlet spool 2 after bundling. Multiple cable tie through holes 4 can be provided on a single cable tie 5 fixing ear 3, and the multiple cable tie through holes 4 are distributed sequentially along the circumference of the cable outlet spool 2. In use, the corresponding through hole can be selected according to the actual outer diameter of the cable 6 to insert the cable tie 5 to adapt to different specifications of cables 6. At the same time, multiple cable ties 5 can be inserted according to the on-site working conditions to improve the binding firmness.

[0021] The cable tie 5 fixing ear 3 is positioned axially on the cable tube 2 near the insulating cover body 1, with a preset distance between the cable tie 5 fixing ear 3 and the outer end face of the cable tube 2. This position can shorten the lever arm length of the cable tie 5 fixing ear 3 when under force, reduce the bending moment borne by the root of the fixing ear, and at the same time prevent the cable tie 5 after bundling from sliding out of the port along the axial direction of the cable tube 2, thus ensuring the stability of the binding position.

[0022] The root of the cable tie 5 fixing ear 3, which connects to the outer wall of the cable outlet tube 2, is provided with a rounded transition reinforcement part 7. This reinforcement part is a smooth rounded transition surface between the root of the cable tie 5 fixing ear 3 and the outer wall of the cable outlet tube 2, and is formed simultaneously by an integral injection molding process. The rounded transition structure can disperse the stress concentration at the root position, and prevent the fixing ear root from cracking due to stress concentration caused by the right angle turn when the cable tie 5 is tightened, thereby improving the structural strength and long-term durability of the cable tie 5 fixing ear 3.

[0023] In actual use, the transparent insulating cover is first fastened from top to bottom onto the top of the sleeve of the electrical equipment, so that the internal wiring terminals are accommodated in the cavity of the insulating cover body 1. The high-voltage cable 6 extends into the cavity through the cable outlet tube 2 and completes the connection with the wiring terminals. Then, the locking cable tie 5 is taken and the end of the cable tie 5 is inserted into the cable tie through hole 4 on the cable tie fixing ear 3. After wrapping around the outside of the cable 6 inside the cable outlet tube 2, the end of the cable tie 5 is inserted back into the locking structure of the cable tie 5 and tightened, so that the cable tie 5 hugs the cable 6 and forms a relatively fixed connection with the cable tie fixing ear 3. Through the binding connection of the cable tie 5, the insulating cover and the high-voltage cable 6 form a relatively fixed whole. Using the positioning basis of the connection between the cable 6 and the wiring terminals, the lateral displacement and slippage of the insulating cover body 1 relative to the equipment sleeve are limited, ensuring the continuous effectiveness of the insulation protection function. When the double-sided symmetrical cable ties 5 are used to fix the ear 3, the cable ties 5 on both sides are tightened at the same time, which can limit the cable 6 to the center position of the cable tube 2, so that the circumferential force of the insulating cover body 1 is balanced, maintain the parallel fit between the cover and the end face of the sleeve, ensure that the circumferential compression of the matching sealing structure is uniform, and avoid sealing failure caused by one side lifting.

[0024] The above embodiments are merely preferred embodiments of the present utility model and are not intended to limit the scope of protection of the present utility model. Therefore, all equivalent changes made to the structure, shape, and principle of the present utility model should be covered within the scope of protection of the present utility model.

Claims

1. A transparent insulating cover, comprising an insulating cover body (1), wherein a wire outlet tube (2) extends laterally from the insulating cover body (1), characterized in that: The outer wall of the cable outlet tube (2) is provided with at least one cable tie fixing ear (3). The cable tie fixing ear (3) has a through cable tie hole (4). The cable tie hole (4) is used to pass through the cable tie (5). After the cable tie (5) passes through the cable tie hole (4), it wraps around the external cable (6) and locks it.

2. The transparent insulating cover according to claim 1, characterized in that, The number of cable tie fixing ears (3) is two, and the two cable tie fixing ears (3) are arranged symmetrically at 180° along the radial direction of the cable tube (2).

3. A transparent insulating cover according to claim 1, characterized in that, Each of the cable tie fixing ears (3) has multiple cable tie holes (4) distributed circumferentially along the cable outlet tube (2).

4. A transparent insulating cover according to claim 1, characterized in that, The cable tie fixing ear (3) is located on the axial side of the cable tube (2) close to the insulating cover body (1), and there is a preset distance between it and the outer end face of the cable tube (2).

5. A transparent insulating cover according to claim 1, characterized in that, The cable tie fixing ear (3), the cable tube (2), and the insulating cover body (1) are integrally injection molded structures.

6. A transparent insulating cover according to claim 1, characterized in that, The root of the cable tie fixing ear (3) connected to the outer wall of the cable tube (2) is provided with an arc transition reinforcement part (7).

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