An electrical connector insulating boot
By designing an insulating protective cover for power connectors with two symmetrical enclosures, and using C-shaped covers, flexible sealing masks, and hook structures, the problem of insufficient sealing was solved, achieving effective sealing and rapid reset of the protective cover, thus improving the safety and observability of power facilities.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HEBEI BAITUSHENG POWER EQUIP CO LTD
- Filing Date
- 2025-09-29
- Publication Date
- 2026-06-26
Smart Images

Figure CN224418035U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to an insulation protection device for power facilities, and more particularly to an insulation protection cover for power connectors. Background Technology
[0002] The core function of insulating protective covers for power facilities is to isolate live conductors from external sources (personnel, animals, foreign objects) to prevent safety accidents such as electric shock and short circuits. At the same time, they protect equipment from environmental corrosion. The location of their use needs to be determined in conjunction with the voltage level of the power system, the type of equipment, and the exposure risk. For example, in high-voltage power distribution systems, insulating protective covers are required for overhead line joints / insulators, high-voltage cable terminations, high-voltage side bushings of transformers, surge arrester terminals, transformer terminals, etc., in outdoor high-voltage lines and equipment.
[0003] Existing insulating protective covers, such as the self-illuminating and reflective protective cover disclosed in CN222600663U and the surge arrester insulating protective cover disclosed in CN214312794U, have insufficient sealing performance. For example, the gaps in the middle of the protective cover cannot be completely closed and sealed. Especially after a period of use, as the material ages and deforms, the gaps in the middle will increase, allowing rainwater, dust, and small animals to enter, affecting the safe operation of power facilities. Utility Model Content
[0004] The technical problem to be solved by this utility model is how to improve the sealing performance of the insulating protective cover for power connectors.
[0005] To solve the above problems, the technical solution adopted by this utility model is as follows:
[0006] An insulating protective cover for an electrical connector, comprising:
[0007] Two symmetrically arranged cover bodies, each cover body including a vertically arranged first cover body and a horizontally arranged second cover body, with a vertical center seam between the two cover bodies, and a connecting part between the two first cover bodies;
[0008] The two first sub-enclosures constitute the first enclosure, which is a cylindrical shape with a closed top and an open bottom;
[0009] Two second-part covers form a second cover with open ends, one end of which is fixedly connected to the first cover and is internally connected.
[0010] The second cover plate has a C-shaped cross-section and is fastened to the second cover body to seal the center seam. One end of the second cover plate is fixedly connected to the upper end face of the second sub-cover body on the left, and the other end is pressed onto the second sub-cover body on the right.
[0011] In one embodiment of this utility model, the second cover body on the left side is provided with a plurality of second connecting holes, and the second cover plate is provided with a second snap-fit connector corresponding to the second connecting holes. The second cover plate is snapped onto the second cover body through the second snap-fit connector and the second connecting holes.
[0012] As one embodiment of this utility model, it also includes a first cover plate. The top of the first cover body on the left side is provided with a plurality of first connecting holes. The lower end face of the first cover plate is provided with a first connector corresponding to the first connecting holes. The first cover plate passes through the first connector and the first connecting holes.
[0013] In one embodiment of this utility model, hooks for pulling open the split cover are symmetrically arranged on the left and right sides of the second cover.
[0014] In one embodiment of this utility model, the hook includes a horizontal part, a vertical part, and an anti-detachment hook connected in sequence. One end of the horizontal part is connected to the second cover body, and the other end is fixedly connected to the vertical part. The vertical part extends vertically downward, and the anti-detachment hook is fixedly disposed at the lower end of the vertical part and extends inward. The horizontal part, the vertical part, and the anti-detachment hook are integrally formed.
[0015] In one embodiment of this utility model, the second cover body has a third connecting hole on its side wall, and the end of the hook has a third snap connector corresponding to the third connecting hole. The hook is mounted on the second cover body through the third snap connector and the third connecting hole.
[0016] In one embodiment of this utility model, a conical sealing mask is provided at the other end of the second cover, and the central seam runs through the sealing mask, dividing the sealing mask into two symmetrical parts. The sealing mask is made of flexible insulating rubber.
[0017] In one embodiment of this utility model, the end of the second cover is provided with a protruding rib extending outward, and the cover includes a slot adapted to the protruding rib, and the cover is fastened to the protruding rib through the slot.
[0018] In one embodiment of this utility model, a skirt base is provided at the bottom of the first cover body, and the center seam passes through the skirt base, dividing the skirt base into two symmetrical parts. Multiple support plates are arranged in a circular array on the inner side of the skirt base.
[0019] In one embodiment of this utility model, both the first cover and the second cover are made of transparent insulating material.
[0020] The beneficial effects of adopting the above technical solution are as follows:
[0021] The electrical connector insulating protective cover provided by this utility model, by setting a second cover plate with a C-shaped cross-section on the second cover body, can cover the central seam on the second cover body, preventing rainwater, dust, and insects from entering, keeping the protective cover clean and dry, and improving the stability of equipment operation; at the same time, the second cover plate can also provide the second cover body with the kinetic energy to reset, assisting the cover body to close quickly and stably, reducing the problem of the central seam on the protective cover becoming larger or unable to reset and close. Attached Figure Description
[0022] Figure 1 This is a top-view structural diagram of the present invention.
[0023] Figure 2 This is a schematic diagram of the structure of this utility model from a downward angle.
[0024] Figure 3 This is a structural diagram of the first and second covers.
[0025] Figure 4 This is a schematic diagram of the second cover plate.
[0026] Figure 5 This is a schematic diagram of the hook structure.
[0027] Figure 6 This is a structural schematic diagram of the first cover plate.
[0028] Figure 7 This is a schematic diagram of the structure of a mask.
[0029] The components are: 1. First cover body, 2. Second cover body, 3. Skirt base, 4. Second cover plate, 4-1. Second snap connector, 5. Hook, 5-1. Horizontal part, 5-2. Vertical part, 5-3. Anti-detachment hook, 5-4. Third snap connector, 6. First cover plate, 6-1. First connector, 7. Seam cover, 7-1. Slot, 7-2. Baffle, 8. Center seam, 9. Support plate, 10. Second snap hole, 11. Protruding rib, 12. Third connector hole, 13. First connector hole. Detailed Implementation
[0030] To make the objectives, technical solutions and advantages of this utility model clearer, the utility model will be clearly and completely described below in conjunction with specific embodiments.
[0031] like Figure 1 and Figure 2 An insulating protective cover for an electrical connector is shown, comprising:
[0032] Two symmetrically arranged cover bodies are joined together to form a complete cover body. Each cover body includes a first cover body arranged vertically and a second cover body arranged horizontally. A vertical center seam 8 is formed between the two cover bodies. A connecting part is provided between the two first cover bodies. The center seam 8 allows the two cover bodies to be opened in the left and right directions so that the protective cover can be put on the corresponding position. The connecting part connects the two cover bodies to each other and allows them to rotate around the connecting part as a base point.
[0033] Two first sub-covers constitute a first cover 1, which is a cylindrical shape with a closed top and an open bottom; two second sub-covers constitute a second cover 2 with open ends, one end of which is fixedly connected to the first cover 1 and has internal penetration; the first cover 1 is used to cover the top of the insulator, and the second cover 2 is used to cover the connection end of the conductor. Therefore, the diameter of the first cover 1 is larger and the diameter of the second cover 2 is smaller.
[0034] like Figure 1 As shown, it also includes a second cover plate 4, which has a C-shaped cross-section and is fastened to the second cover body 2. One end of the second cover plate 4 is fixedly connected to the upper end face of the second sub-cover body on the left, and the other end is pressed onto the second sub-cover body on the right. Figure 2 , Figure 3 and Figure 4 As shown, the second cover body on the left side is provided with multiple second connecting holes 10, and the second cover plate 4 is provided with second snap-fit connectors 4-1 corresponding to the second connecting holes. The second cover plate 4 is snapped onto the second cover body through the second snap-fit connectors 4-1 and the second connecting holes 10. The second cover plate 4 covers the central seam 8 on the second cover body 2.
[0035] like Figure 1 and Figure 7As shown, one end of the second cover 2 is connected to the first cover 1, and the other end is provided with a conical sealing mask 7. The central seam 8 penetrates the sealing mask 7, dividing it into two symmetrical parts. The sealing mask 7 is made of flexible insulating rubber. In one specific embodiment, the end of the second cover 2 is provided with an outwardly extending rib 11. The sealing mask 7 includes a slot 7-1 adapted to the rib 11. The sealing mask 7 is fastened to the rib 11 through the slot 7-1. The sealing mask 7 includes the slot 7-1 and a baffle 7-2 connected to the slot 7-1. The slot 7-1 is generally semi-circular with a concave cross-section. The baffle 7-2 is made of flexible insulating rubber and can deform upon contact with a wire. After installation, the baffle 7-2 seals the end of the second cover 2. The second cover 4 and the sealing mask 7 prevent rainwater, dust, insects, small animals, etc., from entering the second cover 2. The second cover plate 4 is made of insulating material with good elasticity. When the insulating protective cover is opened during installation, the second cover plate 4 passively moves relative to the second sub-cover body on the right side, and the right edge of the second cover plate 4 moves towards the top of the second sub-cover body on the right side, causing the second cover plate 4 to undergo elastic deformation. When the tool that opened the insulating protective cover is removed, the sub-cover bodies arranged symmetrically on the left and right sides reset and close under the action of the connecting part. During this process, the second cover plate 4 can also provide the second cover body 2 with the kinetic energy for reset, assisting the sub-cover bodies to close quickly and stably.
[0036] As a preferred option, such as Figure 1 , Figure 3 and Figure 6 As shown, the insulating protective cover described in this embodiment also includes a first cover plate 6. The top of the first sub-cover body on the left side is provided with multiple first connecting holes 13. The lower end face of the first cover plate 6 is provided with a first connector 6-1 corresponding to the first connecting holes 13. The first cover plate 6 is mounted on the top of the first cover body 1 through the first connector 6-1 and the first connecting holes 13. Since the first cover plate 6 is only connected to one side of the first sub-cover body, it does not affect the opening and closing of the first cover body 1. The first cover plate 6 covers the central seam 8 at the top of the first cover body 1, preventing rainwater, dust, insects, etc., from entering the first cover body 1.
[0037] like Figure 1 and Figure 2As shown, the first cover 1 has a skirt 3 at its bottom, and the central seam 8 passes through the skirt 3, dividing the skirt 3 into two symmetrical parts. Multiple support plates 9 are arranged in a circular array on the inner side of the skirt 3. The skirt 3 makes the bottom of the first cover 1 flared out, which is convenient for covering the insulator. The skirt 3 contacts the outer wall of the insulator. By setting multiple support plates 9, the skirt 3 forms an open channel after contacting the insulator. On the one hand, it can avoid the formation of a relatively closed space inside the insulating protective cover, so that the bottom forms a heat dissipation channel to facilitate heat dissipation. On the other hand, it can allow the dead mosquitoes to fall out of the channel, avoiding the accumulation of a large number of dead mosquitoes in the first cover 1, which would affect the safety of the equipment.
[0038] When installing the insulating protective cover to the corresponding terminal, insulated tools are required to open the cover, especially to open the lower part of the second cover 2 so that it can be fitted onto the wire. Therefore, to facilitate opening the protective cover, as follows: Figure 1 , Figure 2 , Figure 3 and Figure 5 As shown, hooks 5 for pulling open the sub-covers are symmetrically arranged on the left and right sides of the second cover 2. The hooks include a horizontal part 5-1, a vertical part 5-2, and an anti-detachment hook 5-3 connected in sequence. One end of the horizontal part 5-1 is connected to the second sub-cover, and the other end is fixedly connected to the vertical part 5-2. The vertical part 5-2 extends vertically downward. The anti-detachment hook 5-3 is fixedly arranged at the lower end of the vertical part 5-2 and extends inward. The horizontal part 5-1, the vertical part 5-2, and the anti-detachment hook 5-3 are integrally formed. A third connecting hole 12 is provided on the side wall of the second sub-cover. A third snap-fit connector 5-4 corresponding to the third connecting hole 12 is provided at the end of the hook 5. The hook 5 is set on the second sub-cover through the third snap-fit connector 5-4 and the third connecting hole 12.
[0039] By setting hooks 5 on the left and right sides of the second cover 2, the distance between the connection point of the insulating protective cover and the insulating tool is increased, which makes it easier for the insulating tool to cooperate with the insulating protective cover, that is, the insulating protective cover is opened by the hooks 5 on both sides.
[0040] Both the first cover 1 and the second cover 2 are made of transparent insulating material, such as polycarbonate, polymethyl methacrylate, or silicone rubber. The covers are made transparent to facilitate observation of the interior of the protective cover. The first cover plate 6, the second cover plate 4, and the sealing mask 7 can be configured to be colored. Different colors are used for the first cover plate 6, the second cover plate 4, and the sealing mask 7 on different insulating protective covers. After installation, this is used to visually distinguish different lines, such as distinguishing the different phase sequences of high-voltage three-phase electricity.
[0041] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims
1. An insulating protective cover for an electrical connector, characterized in that, It includes: Two symmetrically arranged cover bodies, each cover body includes a first cover body arranged vertically and a second cover body arranged horizontally, with a vertical center seam (8) formed between the two cover bodies, and a connecting part provided between the two first cover bodies; The two first sub-covers constitute the first cover (1), which is a cylindrical shape with a closed top and an open bottom; The two second cover bodies form a second cover body (2) with open ends, one end of which is fixedly connected to the first cover body (1) and has internal penetration; The second cover plate (4) has a C-shaped cross section and is fastened to the second cover body (2) to cover the middle seam (8) on it. One end of the second cover plate (4) is fixedly connected to the upper end face of the second cover body on the left, and the other end is pressed onto the second cover body on the right.
2. The insulating protective cover for an electrical connector according to claim 1, characterized in that: The second cover body on the left side is provided with a plurality of second connection holes (10), and the second cover plate (4) is provided with a second snap connector (4-1) corresponding to the second connection hole. The second cover plate (4) is snapped onto the second cover body through the second snap connector (4-1) and the second connection hole (10).
3. The insulating protective cover for an electrical connector according to claim 1, characterized in that: It also includes a first cover plate (6), and a plurality of first connecting holes (13) are provided on the top of the first cover body on the left side. A first connector (6-1) corresponding to the first connecting hole (13) is provided on the lower end face of the first cover plate (6). The first cover plate (6) is provided on the top of the first cover body (1) through the first connector (6-1) and the first connecting hole (13).
4. The insulating protective cover for an electrical connector according to claim 1, characterized in that: The second cover (2) is symmetrically provided with hooks (5) for pulling open the cover on the left and right sides.
5. The insulating protective cover for an electrical connector according to claim 4, characterized in that: The hook includes a horizontal part (5-1), a vertical part (5-2), and an anti-detachment hook (5-3) connected in sequence. One end of the horizontal part (5-1) is connected to the second cover body, and the other end is fixedly connected to the vertical part (5-2). The vertical part (5-2) extends vertically downward. The anti-detachment hook (5-3) is fixedly installed at the lower end of the vertical part (5-2) and extends inward. The horizontal part (5-1), the vertical part (5-2), and the anti-detachment hook (5-3) are integrally formed.
6. The insulating protective cover for an electrical connector according to claim 4, characterized in that: The second cover body has a third connecting hole (12) on its side wall, and the end of the hook (5) has a third snap connector (5-4) corresponding to the third connecting hole (12). The hook (5) is set on the second cover body through the third snap connector (5-4) and the third connecting hole (12).
7. The insulating protective cover for an electrical connector according to claim 1, characterized in that: The other end of the second cover (2) is provided with a cone-shaped sealing mask (7), and the middle seam (8) passes through the sealing mask (7), dividing the sealing mask (7) into two symmetrical parts. The sealing mask (7) is made of flexible insulating rubber.
8. The insulating protective cover for an electrical connector according to claim 7, characterized in that: The end of the second cover (2) is provided with a protruding rib (11) extending outward. The cover (7) includes a slot (7-1) adapted to the protruding rib (11). The cover (7) is fastened to the protruding rib (11) through the slot (7-1).
9. An insulating protective cover for an electrical connector according to claim 1, characterized in that: The first cover (1) has a skirt base (3) at the bottom. The center seam (8) passes through the skirt base (3) and divides the skirt base (3) into two symmetrical parts. Multiple support plates (9) are arranged in a circular array on the inner side of the skirt base (3).
10. An insulating protective cover for an electrical connector according to claim 1, characterized in that: Both the first cover (1) and the second cover (2) are made of transparent insulating material.