Protective shield for high voltage disconnector

By designing a sliding connection device and locking components for the high-voltage disconnect switch protective baffle, the problem of the protective baffle falling off in severe weather was solved, a stable connection between the protective baffle and the high-voltage disconnect switch was achieved, and the stability and protective effect of the overall structure were enhanced.

CN224328639UActive Publication Date: 2026-06-05GUANGDONG JINGCHENG ELECTRIC POWER EQUIPMENT CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
GUANGDONG JINGCHENG ELECTRIC POWER EQUIPMENT CO LTD
Filing Date
2025-05-21
Publication Date
2026-06-05

AI Technical Summary

Technical Problem

The protective baffles of existing high-voltage disconnect switches are prone to falling off in severe weather, resulting in unstable connections and power outages.

Method used

A protective baffle is designed, comprising a first protective plate, a second protective plate, a sliding connection device, and a locking assembly. The spacing of the insertion slots is adjusted by the sliding connection device, and the baffle is fixed to the insulator by a pushing device and a snap-fit ​​device, ensuring a stable connection between the protective baffle and the high-voltage disconnecting switch.

Benefits of technology

This improves the connection stability between the protective baffle and the high-voltage disconnect switch, prevents external dust or debris from affecting the operation of the protective baffle, ensures its normal operation, and enhances the overall structural stability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to power equipment technical field especially is used for high -voltage isolating switch's protective baffle, including first fender, second fender, sliding connection device and two locking components, the first fender with the second fender all is equipped with the insertion slot, the sliding connection device is connected with the recess and the convex surface opposite side respectively, and every locking component includes the plugboard, pusher and clamping device respectively. The protective baffle for high -voltage isolating switch disclosed in the application is arranged between the recess and the convex surface, ensures that the surfaces on both sides of the protective baffle are flush and connected, and avoids the influence of dust or debris from the outside on the normal operation of the sliding connection device. At the same time, the plugboard is fixed on both sides by the pusher and the clamping device, improving the connection between the protective baffle and the high -voltage isolating switch and the stability of the overall structure.
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Description

Technical Field

[0001] This utility model relates to the field of power equipment technology, and in particular to a protective baffle for high-voltage disconnect switches. Background Technology

[0002] High-voltage disconnect switches are commonly used switching devices on overhead power distribution lines. However, the live parts of these switches are exposed, making them susceptible to environmental corrosion or animal interference, which can lead to power outages. Currently, existing disconnect switch protective covers are locked onto the insulators by a rotating clamp, but one end of the clamp is not connected to the protective cover. This makes them prone to detachment in severe weather.

[0003] It is evident that existing technologies still need improvement and enhancement. Utility Model Content

[0004] In view of the shortcomings of the prior art, the purpose of this utility model is to provide a protective baffle for high-voltage disconnecting switches to solve the problem of unstable connection of existing protective baffles.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A protective baffle for a high-voltage disconnector includes a first protective plate, a second protective plate, a sliding connecting device, and two locking components. Both the first and second protective plates have insertion slots. The two locking components are respectively disposed on the same side of the first and second protective plates. The top surface of the first protective plate near one end of the second protective plate has a groove, and one end of the second protective plate has a convex surface that engages with the groove. The sliding connecting device is connected to the opposite side of the groove and the convex surface. Each locking component includes an insert plate, a pushing device, and a locking device. The insert plate is disposed corresponding to the insertion slot. The pushing device and the locking device are respectively disposed on both sides of the insertion slot. One end of the insert plate is connected to the pushing device, and the other end of the insert plate is engaged with the locking device.

[0007] As described above, the protective baffle for a high-voltage disconnecting switch includes a sliding connection device comprising a plug bar, a slot, and an adjustment mechanism. Multiple plug bars and slots are included, with multiple plug bars arranged on the groove and multiple slots arranged on the convex surface. Each plug bar is inserted into a corresponding slot. The two ends of the adjustment mechanism are connected to the first protective plate and the second protective plate, respectively.

[0008] As described above, the protective baffle for a high-voltage disconnector switch includes an adjusting mechanism comprising a first fixed plate, a second fixed plate, a sleeve, a first screw, a knob, a second screw, and a locking nut. The first fixed plate is connected to the first protective plate, and the second fixed plate is connected to the second protective plate. The sleeve is disposed on the side of the first fixed plate facing the second fixed plate, and the inner side of the sleeve is provided with an internal thread. The first screw, the knob, and the second screw are connected in sequence. The first screw is threadedly connected to the internal thread, and the second screw is rotatably disposed on the second fixed plate. The locking nut is threadedly connected to the second screw.

[0009] As described above, the protective baffle for a high-voltage disconnect switch includes a pushing device comprising two guide rails, two slots, and a pushing mechanism. The two guide rails are respectively disposed on the first protective plate, and the two slots are respectively disposed on opposite sides of the two guide rails. The two sides of the insert plate are respectively engaged in the two slots, and the two ends of the pushing mechanism are respectively connected to the first protective plate and the insert plate.

[0010] As described above, the protective baffle for a high-voltage disconnect switch includes a pushing mechanism comprising a third fixed plate, a fourth fixed plate, a movable plate, and multiple spring assemblies. The third fixed plate is disposed on the first protective plate, the fourth fixed plate is disposed on the insert plate, and the movable plate is disposed between the third fixed plate and the fourth fixed plate. Both ends of the movable plate are respectively engaged with the two slots. Multiple spring assemblies are respectively disposed on both sides of the movable plate, and the end of each spring assembly away from the movable plate is connected to the third fixed plate or the fourth fixed plate.

[0011] As described above, the protective baffle for a high-voltage disconnecting switch includes a locking device comprising a fixing strip and a locking groove. The fixing strip is disposed on the first protective plate, and the locking groove is disposed on the side of the fixing strip facing the insert plate. The insert plate and the fixing strip are inserted into each other.

[0012] As described above, the protective baffle for the high-voltage disconnect switch has both the first and second protective plates as arc-shaped plates, and each of the first and second protective plates is provided with a reinforcing beam.

[0013] The protective baffle for high-voltage disconnect switches as described above further includes an identification strip and multiple plug-in posts. The multiple plug-in posts are respectively disposed on one side of the identification strip. The first protective plate or the second protective plate is provided with multiple plug-in holes, and the multiple plug-in posts and the multiple plug-in holes are respectively plugged in one by one.

[0014] Beneficial effects:

[0015] This utility model discloses a protective baffle for a high-voltage disconnector, comprising a first protective plate, a second protective plate, a sliding connecting device, and two locking components. Both the first and second protective plates have insertion slots. The top surface of the first protective plate near one end of the second protective plate has a groove, and one end of the second protective plate has a convex surface that engages with the groove. The sliding connecting device is connected to the opposite side of the groove and the convex surface, respectively. Each locking component includes an insertion plate, a pushing device, and a locking device. Before installation, the spacing between the insertion slots on the first and second protective plates is adjusted using the sliding connecting device. The sliding connecting device is positioned between the groove and the convex surface, thus isolating the sliding connecting device from the outside environment to prevent dust or debris from affecting it. During installation, the sliding connection device is adjusted by aligning the two insertion slots of the protective baffle with the gaps in the insulators and inserting it. The pushing device pushes the insertion plate to move and insert it into the snap-fit ​​device. The insertion plate and the insertion slots are clamped on both sides of the insulator to fix the protective baffle. At the same time, the snap-fit ​​device fixes the other end of the insertion plate. The protective baffle for high-voltage disconnecting switches disclosed in this application sets the sliding connection device between the groove and the convex surface to ensure that the surfaces on both sides of the protective baffle are flush and connected, and to prevent external dust or debris from affecting the normal operation of the sliding connection device. At the same time, the two sides of the insertion plate are fixed by the pushing device and the snap-fit ​​device respectively, which improves the connection between the protective baffle and the high-voltage disconnecting switch and the overall structural stability. Attached Figure Description

[0016] Figure 1 A schematic diagram of the structure of the protective baffle provided by this utility model;

[0017] Figure 2 Exploded view of the protective baffle provided by this utility model;

[0018] Figure 3 Exploded view of the protective baffle provided by this utility model from another angle;

[0019] Reference numerals: 1. First protective plate; 11. Groove; 12. Insertion hole; 2. Second protective plate; 21. Convex surface; 3. Sliding connection device; 31. Insertion strip; 32. Slot; 33. Adjustment mechanism; 34. First fixing plate; 35. Second fixing plate; 36. Sleeve; 37. First screw; 38. Knob; 39. Second screw; 30. Locking nut; 4. Insertion groove; 5. Insertion plate; 6. Pushing device; 61. Guide rail; 62. Slot; 63. Pushing mechanism; 64. Third fixing plate; 65. Fourth fixing plate; 66. Movable plate; 67. Spring assembly; 7. Snap-fit ​​device; 8. Reinforcing beam; 9. Identification strip; 10. Insertion post. Detailed Implementation

[0020] This utility model provides a protective baffle for a high-voltage disconnector. To make the purpose, technical solution and effects of this utility model clearer and more explicit, the following describes this utility model in further detail with reference to the accompanying drawings and examples.

[0021] In the description of this utility model, it should be understood that the terms "top" and other terms indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and should not be construed as limiting this utility model; in addition, the terms "installation" and "connection" should be interpreted broadly, and those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0022] like Figure 1-3 As shown in the embodiment of this application, a protective baffle for a high-voltage disconnector is proposed, including a first protective plate 1, a second protective plate 2, a sliding connection device 3, and two locking components. Both the first protective plate 1 and the second protective plate 2 are provided with insertion slots 4. The two locking components are respectively provided on the same side of the first protective plate 1 and the second protective plate 2. The top surface of the first protective plate 1 near the end of the second protective plate 2 is provided with a groove 11. One end of the second protective plate 2 is provided with a convex surface 21 that engages with the groove 11. The sliding connection device 3 is connected to the opposite side of the groove 11 and the convex surface 21. Each locking component includes an insertion plate 5, a pushing device 6, and a locking device 7. The insertion plate 5 is provided corresponding to the insertion slot 4. The pushing device 6 and the locking device 7 are respectively provided on both sides of the insertion slot 4. One end of the insertion plate 5 is connected to the pushing device 6, and the other end of the insertion plate 5 is engaged with the locking device 7.

[0023] This utility model discloses a protective baffle for a high-voltage disconnector, comprising a first protective plate 1, a second protective plate 2, a sliding connection device 3, and two locking components. Both the first protective plate 1 and the second protective plate 2 have insertion slots 4. The top surface of the first protective plate 1 near one end of the second protective plate 2 has a groove 11, and one end of the second protective plate 2 has a convex surface 21 that engages with the groove 11. The sliding connection device 3 connects to the opposite sides of the groove 11 and the convex surface 21. Each locking component includes an insertion plate 5, a pushing device 6, and a locking device 7. Before installation, the spacing between the insertion slots 4 on the first protective plate 1 and the second protective plate 2 is adjusted using the sliding connection device 3. The sliding connection device 3 is located between the groove 11 and the convex surface 21, thus isolating the sliding connection device 3 from the outside environment to prevent external interference. Dust or debris can affect the adjustment of the sliding connection device 3. During installation, the two insertion slots 4 of the protective baffle are aligned with the gaps in the insulator and inserted. The pushing device 6 pushes the insertion plate 5 to move and insert it into the snap-fit ​​device 7. The insertion plate 5 and the insertion slots 4 are clamped on both sides of the insulator to fix the protective baffle. At the same time, the snap-fit ​​device 7 fixes the other end of the insertion plate 5. The protective baffle for high-voltage disconnecting switches disclosed in this application sets the sliding connection device 3 between the groove 11 and the convex surface 21 to ensure that the surfaces on both sides of the protective baffle are flush and connected, and to prevent external dust or debris from affecting the normal operation of the sliding connection device 3. At the same time, the two sides of the insertion plate 5 are fixed by the pushing device 6 and the snap-fit ​​device 7 respectively, which improves the connection between the protective baffle and the high-voltage disconnecting switch and the overall structural stability.

[0024] The sliding connection device 3 includes a connector strip 31, a slot 32, and an adjustment mechanism 33. Multiple connector strips 31 and slots 32 are included, with multiple connector strips 31 arranged on the groove 11 and multiple slots 32 arranged on the convex surface 21. Each connector strip 31 is inserted into a corresponding slot 32. The two ends of the adjustment mechanism 33 are connected to the first guard plate 1 and the second guard plate 2, respectively. Through the cooperation of the connector strips 31 and slots 32, the relative movement direction of the first guard plate 1 and the second guard plate 2 is restricted, and a reinforcement function is provided to improve the stability of the connection between the first guard plate 1 and the second guard plate 2. The adjustment mechanism 33 includes a first connector strip 31, a slot 32, and an adjustment mechanism 33. The device comprises a fixed plate 34, a second fixed plate 35, a sleeve 36, a first screw 37, a knob 38, a second screw 39, and a locking nut 30. The first fixed plate 34 is connected to the first protective plate 1, and the second fixed plate 35 is connected to the second protective plate 2. The sleeve 36 is located on the side of the first fixed plate 34 facing the second fixed plate 35, and the sleeve 36 has an internal thread. The first screw 37, the knob 38, and the second screw 39 are connected in sequence. The first screw 37 is threaded to the internal thread, and the second screw 39 is rotatably mounted on the second fixed plate 35. The locking nut 30 is threaded to the second screw 39. The device has a simple structure and provides higher precision in adjusting the thread pitch.

[0025] The pushing device 6 includes two guide rails 61, two slots 62, and a pushing mechanism 63. The two guide rails 61 are respectively disposed on the first guard plate 1, and the two slots 62 are respectively disposed on opposite sides of the two guide rails 61. The two sides of the insert plate 5 are respectively engaged in the two slots 62. The two ends of the pushing mechanism 63 are respectively connected to the first guard plate 1 and the insert plate 5. The two guide rails 61 guide and limit the movement of the insert plate 5 to improve the stability of the pushing mechanism 63 when pushing the insert plate 5. The pushing mechanism 63 includes a third fixed plate 64, a fourth fixed plate 65, a movable plate 66, and multiple spring assemblies 67. The third fixed plate 64 is disposed on the first guard plate 1, the fourth fixed plate 65 is disposed on the insert plate 5, and the movable plate 66 is disposed between the third fixed plate 64 and the fourth fixed plate 65. The two ends of the movable plate 66 are respectively engaged in the two slots 61. 2. A plurality of spring assemblies 67 are respectively disposed on both sides of the movable plate 66. The end of each spring assembly 67 away from the movable plate 66 is connected to the third fixed plate 64 or the fourth fixed plate 65. In this embodiment, each spring assembly 67 includes a spring and two connecting rods. The two connecting rods are respectively disposed on the side opposite to the movable plate 66 and the third fixed plate 64, or on the side opposite to the movable plate 66 and the fourth fixed plate 65. The two ends of the spring are respectively sleeved on the two connecting rods. The movable plate 66 is set to reduce the length of the spring assembly 67, so as to avoid the spring from bending when compressed due to excessive length, and to ensure that the spring contracts or expands in the axial direction. At the same time, the vibration of the spring assembly 67 is reduced, and the pushing process of the pushing device 6 is more stable. In addition, the fourth fixed plate 65 protrudes from the insert plate 5, which is convenient for pulling with tools or hands.

[0026] The snap-fit ​​device 7 includes a fixing strip and a snap-fit ​​groove. The fixing strip is disposed on the first guard plate 1, and the snap-fit ​​groove is disposed on the side of the fixing strip facing the insert plate 5. The insert plate 5 and the fixing strip are inserted into each other, which can effectively realize the snap-fit ​​fixation of the insert plate 5.

[0027] Both the first protective plate 1 and the second protective plate 2 are arc-shaped plates, and each of the first protective plate 1 and the second protective plate 2 is provided with a reinforcing beam 8. The arc shape can effectively guide rainwater or debris to fall, and prevent debris or animals from staying on the protective plate and causing it to be squeezed and deformed. At the same time, the reinforcing beam 8 improves the overall stability of the protective plate structure.

[0028] The protective baffle also includes an identification strip 9 and multiple plug-in pins 10. The multiple plug-in pins 10 are respectively located on one side of the identification strip 9. The first protective plate 1 or the second protective plate 2 is provided with multiple plug-in holes 12. The multiple plug-in pins 10 and the multiple plug-in holes 12 are plugged in one by one. Maintenance personnel can identify the phase by the color or shape of the identification strip 9.

[0029] It is understood that those skilled in the art can make equivalent substitutions or changes based on the technical solution and inventive concept of this utility model, and all such substitutions or changes should fall within the protection scope of this utility model.

Claims

1. A protective baffle for a high-voltage disconnector, characterized in that, It includes a first guard plate (1), a second guard plate (2), a sliding connecting device (3), and two locking components. Both the first guard plate (1) and the second guard plate (2) are provided with insertion slots (4). The two locking components are respectively located on the same side of the first guard plate (1) and the second guard plate (2). The top surface of the first guard plate (1) near the end of the second guard plate (2) is provided with a groove (11), and one end of the second guard plate (2) is provided with a convex surface (21) that engages with the groove (11). The moving connection device (3) is connected to the opposite side of the groove (11) and the convex surface (21) respectively. Each locking component includes a plug plate (5), a pushing device (6) and a snap-fit ​​device (7). The plug plate (5) is provided corresponding to the insertion groove (4). The pushing device (6) and the snap-fit ​​device (7) are respectively provided on both sides of the insertion groove (4). One end of the plug plate (5) is connected to the pushing device (6), and the other end of the plug plate (5) is snapped to the snap-fit ​​device (7).

2. The protective baffle for a high-voltage disconnector according to claim 1, characterized in that, The sliding connection device (3) includes a plug strip (31), a slot (32) and an adjustment mechanism (33). The plug strip (31) and the slot (32) each include multiple plug strips (31) arranged on the groove (11) and multiple slots (32) arranged on the convex surface (21). The multiple plug strips (31) are respectively plugged into the multiple slots (32) one by one. The two ends of the adjustment mechanism (33) are respectively connected to the first guard plate (1) and the second guard plate (2).

3. The protective baffle for a high-voltage disconnector according to claim 2, characterized in that, The adjustment mechanism (33) includes a first fixed plate (34), a second fixed plate (35), a sleeve (36), a first screw (37), a knob (38), a second screw (39), and a locking nut (30). The first fixed plate (34) is connected to the first guard plate (1), and the second fixed plate (35) is connected to the second guard plate (2). The sleeve (36) is located on the side of the first fixed plate (34) facing the second fixed plate (35). The sleeve (36) has an internal thread on its inner side. The first screw (37), the knob (38), and the second screw (39) are connected in sequence. The first screw (37) is threadedly connected to the internal thread. The second screw (39) is rotatably located on the second fixed plate (35). The locking nut (30) is threadedly connected to the second screw (39).

4. The protective baffle for a high-voltage disconnector according to claim 1, characterized in that, The jacking device (6) includes two guide rails (61), two slots (62) and a jacking mechanism (63). The two guide rails (61) are respectively disposed on the first guard plate (1), and the two slots (62) are respectively disposed on opposite sides of the two guide rails (61). The two sides of the insert plate (5) are respectively engaged in the two slots (62). The two ends of the jacking mechanism (63) are respectively connected to the first guard plate (1) and the insert plate (5).

5. The protective baffle for a high-voltage disconnector according to claim 4, characterized in that, The pushing mechanism (63) includes a third fixed plate (64), a fourth fixed plate (65), a movable plate (66), and a plurality of spring assemblies (67). The third fixed plate (64) is disposed on the first guard plate (1), the fourth fixed plate (65) is disposed on the insert plate (5), and the movable plate (66) is disposed between the third fixed plate (64) and the fourth fixed plate (65). The two ends of the movable plate (66) are respectively engaged with the two slots (62). The plurality of spring assemblies (67) are respectively disposed on both sides of the movable plate (66), and the end of each spring assembly (67) away from the movable plate (66) is connected to the third fixed plate (64) or the fourth fixed plate (65).

6. The protective baffle for a high-voltage disconnector according to claim 1, characterized in that, The snap-fit ​​device (7) includes a fixing strip and a snap-fit ​​groove. The fixing strip is disposed on the first guard plate (1), and the snap-fit ​​groove is disposed on the side of the fixing strip facing the insert plate (5). The insert plate (5) and the fixing strip are inserted into each other.

7. The protective baffle for a high-voltage disconnector according to claim 1, characterized in that, Both the first guard plate (1) and the second guard plate (2) are arc-shaped plates, and the first guard plate (1) and the second guard plate (2) are respectively provided with reinforcing beams (8).

8. The protective baffle for a high-voltage disconnector according to claim 1, characterized in that, The protective baffle also includes an identification strip (9) and multiple plug-in posts (10). The multiple plug-in posts (10) are respectively located on one side of the identification strip (9). The first protective plate (1) or the second protective plate (2) is provided with multiple plug-in holes (12). The multiple plug-in posts (10) and the multiple plug-in holes (12) are respectively plugged in one by one.