Electric insulator of busbar
By designing the busbar's electrical insulators and adopting a fixed bracket and support structure, the busbar can be quickly positioned and flexibly installed. This solves the problems of inconvenient installation and the ceramic skirt being susceptible to backflash in existing technologies, and improves maintenance convenience and corrosion resistance.
Patent Information
- Application Number
- CN202423029430.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-09
- Publication Date
- 2025-10-31
- Estimated Expiration
- 2034-12-09
AI Technical Summary
In the existing technology, it is inconvenient to install and remove cable terminals on copper busbars, and the ceramic skirt is susceptible to current backlash and induction, which makes maintenance inconvenient.
An electrical insulator for a busbar was designed, which adopts a structure of fixed bracket, busbar and support base. The busbar can be quickly positioned and flexibly installed through positioning mechanism and distance adjustment mechanism. The combination of side slot and metal rod is used for locking and positioning, and non-metallic nuts and rubber pads are used for protection.
It enables quick snap-fit and positioning of busbars, reduces the difficulty of replacing and disassembling porcelain insulators, avoids current backlash and induction in ceramic skirts, and improves maintenance convenience and corrosion resistance of fixed brackets.
Smart Images

Figure CN223501632U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of electrical insulators, and specifically to an electrical insulator for a busbar. Background Technology
[0002] A disconnecting switch is a switching device primarily used for isolating power sources, switching operations, and connecting and disconnecting small-current circuits, without arc-extinguishing capabilities. When in the open position, the disconnecting switch has a specified insulation distance between its contacts and a clear disconnection mark; when in the closed position, it can carry current under normal circuit conditions and current under abnormal conditions (such as short circuits) for a specified time. It is generally used as a high-voltage disconnecting switch.
[0003] The first method involves directly fixing the cable terminals to the copper busbar with screws. This method is convenient for installation and disassembly, but it is not suitable for repeated disassembly and assembly. The second method involves drilling holes in the copper busbar and fixing the cable terminals to the copper busbar with screws and nuts. This method is troublesome for installation and disassembly. Summary of the Invention
[0004] The purpose of this invention is to provide an electrical insulator for a busbar to solve the aforementioned defects caused by the prior art.
[0005] An electrical insulator for a busbar includes a fixed bracket, a busbar, and a support base. The fixed bracket has positioning holes evenly spaced on its outer side. A positioning mechanism is provided directly above the fixed bracket. The positioning mechanism vertically positions the busbar and the insulator, thereby ensuring the efficiency of the connection and installation of the busbar and the insulator. An adjusting mechanism is provided directly below the fixed bracket. The adjusting mechanism adjusts the clamping range according to the installation requirements to meet the installation and disassembly needs in different environments.
[0006] Preferably, the positioning mechanism includes side slots, manifolds, positioning holes, a ceramic skirt, a metal rod, and a nut. The side slots are evenly spaced on the outside of the fixed bracket. The manifolds are connected to the outside of the two sets of side slots. The positioning holes are evenly spaced on the outside of the manifolds. The metal rod is connected to the outside of the positioning holes. The ceramic skirt is connected to the outside of the metal rod. The nut is threaded onto the outside of the metal rod. The nut is located directly below the fixed bracket.
[0007] Preferably, the metal rod is connected to the busbar via a nut connected to the threaded end on the outer side of its bottom.
[0008] Preferably, the adjusting mechanism includes a support base, a bottom clamp, a groove, a rubber pad, a slider, and fastening holes. The bottom end of the support base has a groove, the outside of the groove is connected to a slider, the bottom end of the slider is connected to a bottom clamp, fastening holes are evenly spaced on one side of the support base, and a rubber pad is bonded to the outside of the bottom clamp.
[0009] Preferably, the bottom clamp is connected to the outside of the slide groove via a slider provided at the top.
[0010] Preferably, the support seat is connected to the outside of the slider through equally spaced fastening holes.
[0011] Compared with the prior art, the present invention has the following advantages:
[0012] 1. By setting multiple sets of side slots of different widths, the side slots are used to position busbars of different sizes, which facilitates the quick snapping and positioning of a set of busbars and the outer side of the porcelain insulators at one time. This reduces the difficulty of replacing and disassembling multiple sets of porcelain insulators on the busbar. Furthermore, the outer side of the ceramic skirt is positioned by a non-metallic fixing bracket, which prevents current backflash and induction after the ceramic skirt is connected to the power supply, thus improving the convenience of maintenance.
[0013] 2. The fixed bracket is suspended by the support base at the bottom to prevent external rainwater from corroding the bottom of the fixed bracket. At the same time, the slider drives the bottom clamping plate on the outside to move laterally. The clamping distance of the bottom clamping plate can be adjusted according to the installation and locking requirements, which improves the flexibility of the fixed bracket for quick assembly and positioning. Attached Figure Description
[0014] Figure 1 This is a three-dimensional structural diagram of the present invention.
[0015] Figure 2 This is a top view of the fixed bracket structure in this utility model.
[0016] Figure 3 This is a bottom view of the fixed support structure in this utility model.
[0017] Figure 4 This is a side view of the support structure in this utility model.
[0018] Figure 5 This is a side sectional view of the support seat in this utility model.
[0019] in:
[0020] 1. Fixed bracket; 2. Side slot; 3. Busbar; 4. Positioning hole; 5. Ceramic skirt; 6. Positioning mechanism; 7. Metal rod; 8. Support seat; 9. Bottom clamp; 10. Nut; 11. Slide groove; 12. Adjustment mechanism; 13. Rubber pad; 14. Slider; 15. Fastening hole. Detailed Implementation
[0021] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.
[0022] like Figures 1 to 5 As shown, an electrical insulator for a busbar includes a fixed bracket 1, a busbar 3, and a support base 8. The fixed bracket 1 has positioning holes 4 evenly spaced on its outer side. A positioning mechanism 6 is provided directly above the fixed bracket 1. The positioning mechanism 6 vertically positions the busbar 3 and the insulator, thereby ensuring the efficiency of the connection and installation of the busbar 3 and the insulator. An adjusting mechanism 12 is provided directly below the fixed bracket 1. The adjusting mechanism 12 adjusts the clamping range according to the installation requirements to meet the installation and disassembly needs in different environments.
[0023] In this embodiment, the positioning mechanism 6 includes side slots 2, busbars 3, positioning holes 4, ceramic skirts 5, metal rods 7, and nuts 10. The side slots 2 are evenly spaced on the outside of the fixed bracket 1. The busbars 3 are connected to the outside of the two sets of side slots 2. The positioning holes 4 are evenly spaced on the outside of the busbars 3. The metal rods 7 are connected to the outside of the positioning holes 4. The ceramic skirts 5 are connected to the outside of the metal rods 7. The nuts 10 are threadedly connected to the outside of the metal rods 7. The nuts 10 are located directly below the fixed bracket 1. The busbars 3 are engaged and positioned by setting multiple sets of side slots 2 of different widths.
[0024] In this embodiment, the metal rod 7 is connected to the busbar 3 via a nut 10 connected to the threaded end on the outer side of its bottom end, and the busbar 3 and the metal rod 7 are connected and locked by the nut 10.
[0025] In this embodiment, the adjusting mechanism 12 includes a support seat 8, a bottom clamp 9, a sliding groove 11, a rubber pad 13, a slider 14, and fastening holes 15. The bottom end of the support seat 8 is provided with a sliding groove 11, and the outside of the sliding groove 11 is connected to the slider 14. The bottom end of the slider 14 is connected to the bottom clamp 9. Fastening holes 15 are provided at equal intervals on one side of the support seat 8, and the outside of the bottom clamp 9 is bonded with a rubber pad 13.
[0026] In this embodiment, the bottom clamp 9 is connected to the outside of the slide groove 11 via a slider 14 at the top. The slider 14 positions the bottom clamp 9, thereby clamping supports of different widths.
[0027] In this embodiment, the support seat 8 is connected to the outside of the slider 14 through equally spaced fastening holes 15. The support seat 8 suspends the fixed bracket 1, preventing external rainwater from corroding the outside of the fixed bracket 1.
[0028] In practical applications, the electrical insulators of this type of busbar include the following functions:
[0029] Step 1: During use, select the appropriate size busbar 3 according to the busbar requirements, insert the busbar 3 into the side slot 2, and use the fixing bracket 1 to engage and position the busbar 3 on both sides of the corresponding thickness. Connect the positioning hole 4 on the outside of the busbar 3 to the metal rod 7 through the hole, and use the nut 10 to lock the threaded end on the outside of the metal rod 7. This completes the connection between the busbar 3 and the metal rod 7, and also completes the fastening of the multiple sets of ceramic skirts 5 to the outside of the busbar 3.
[0030] Step 2: At the same time, the threaded end of the metal rod 7 is inserted through the positioning hole 4 on the outside of the fixed bracket 1. The metal rod 7 is connected to the fixed bracket 1, and then the non-metallic nut 10 is used to lock the metal rod 7 to the outside, thereby completing the fixation of the insulator and preventing the insulator from shaking.
[0031] Step 3: According to the installation requirements, the operator pulls the bottom clamp 9, which slides on the outside of the slide groove 11 via the slider 14 at the top, thereby adjusting the spacing between the two sets of bottom clamps 9. The rubber pad 13 on the outside of the bottom clamp 9 clamps the outside of the bracket, and then the bolt is inserted into the fastening hole 15 to lock the outside of the slider 14, preventing the slider 14 from shaking inside the slide groove 11, thus completing the horizontal or vertical clamping of the fixed bracket 1.
[0032] Therefore, the above-disclosed embodiments are merely illustrative in all respects and are not the only ones. All modifications within the scope of this utility model or its equivalents are included in this utility model.
Claims
1. An electrical insulator for a busbar, characterized in that: The device includes a fixed bracket (1), a busbar (3), and a support seat (8). The fixed bracket (1) has positioning holes (4) at equal intervals on its outer side. A positioning mechanism (6) is provided directly above the fixed bracket (1). The positioning mechanism (6) vertically positions the busbar (3) and the insulator, thereby ensuring the efficiency of the connection and installation of the busbar (3) and the insulator. An adjusting mechanism (12) is provided directly below the fixed bracket (1). The adjusting mechanism (12) adjusts the clamping range according to the installation requirements to meet the installation and disassembly needs in different environments.
2. The busbar insulator according to claim 1, characterized in that: The positioning mechanism (6) includes a side slot (2), a busbar (3), a positioning hole (4), a ceramic skirt (5), a metal rod (7), and a nut (10). The side slots (2) are evenly spaced on the outside of the fixed bracket (1). The busbar (3) is connected to the outside of the two sets of side slots (2). The positioning hole (4) is evenly spaced on the outside of the busbar (3). The metal rod (7) is connected to the outside of the positioning hole (4). The ceramic skirt (5) is connected to the outside of the metal rod (7). The nut (10) is threadedly connected to the outside of the metal rod (7). The nut (10) is located directly below the fixed bracket (1).
3. The busbar insulator according to claim 2, characterized in that: The metal rod (7) is connected to the busbar (3) via a nut (10) connected to the threaded end on the outer side of the bottom end.
4. The busbar insulator according to claim 1, characterized in that: The adjusting mechanism (12) includes a support seat (8), a bottom clamp (9), a slide groove (11), a rubber pad (13), a slider (14), and fastening holes (15). The bottom end of the support seat (8) is provided with a slide groove (11), and the outside of the slide groove (11) is connected to the slider (14). The bottom end of the slider (14) is connected to the bottom clamp (9). Fastening holes (15) are provided at equal intervals on one side of the support seat (8), and the outside of the bottom clamp (9) is bonded with a rubber pad (13).
5. An electrical insulator for a busbar according to claim 4, characterized in that: The bottom clip (9) is connected to the outside of the groove (11) via a slider (14) provided at the top.
6. The busbar insulator according to claim 4, characterized in that: The support seat (8) is connected to the outside of the slider (14) through fastening holes (15) that are opened at equal intervals.