Inductance coil withstand voltage test device

By designing an inductor coil withstand voltage testing device, and utilizing an adjustable screw and movable frame structure, multiple sets of inductor coils can be simultaneously fixed and subjected to withstand voltage testing. This solves the problem that existing devices cannot perform simultaneous testing and improves testing efficiency.

CN224176653UActive Publication Date: 2026-04-28ZHUHAI LUNYING ELECTROMECHANICAL CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ZHUHAI LUNYING ELECTROMECHANICAL CO LTD
Filing Date
2025-05-06
Publication Date
2026-04-28

AI Technical Summary

Technical Problem

Existing inductor coil withstand voltage testing equipment cannot test multiple groups of inductors simultaneously, resulting in excessively long testing times and impacting production efficiency.

Method used

An inductor coil withstand voltage testing device was designed, which adopts a first adjustable screw and a first movable frame structure. The first motor drives the first transmission rod to rotate, adjusting the distance of the limit frame. Combined with the second movable frame and the second adjustable screw, the second motor drives the probe position to change, realizing the simultaneous fixing and withstand voltage testing of multiple sets of inductor coils.

Benefits of technology

It enables simultaneous fixing and withstand voltage testing of multiple sets of inductor coils, improving testing efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an inductance coil withstand voltage test device, which relates to the technical field of inductance coil withstand voltage test and comprises a workbench, a fixing frame is arranged at the upper end of the workbench, a first motor is arranged at the right end of the fixing frame, and a plurality of groups of first distance adjusting screws are arranged in the fixing frame. A first transmission bevel gear is arranged at one end of the first distance adjusting screw rod, a first movable frame is arranged on the outer wall of the first distance adjusting screw rod, a limiting frame is arranged at the upper end of the first movable frame, a third transmission bevel gear is arranged between the two first transmission bevel gears, and a second transmission rod is arranged at the lower end of the third transmission bevel gear; and a second transmission bevel gear is arranged at the lower end of the second transmission rod. According to the inductance coil withstand voltage test device, the distance between the two groups of first movable frames can be adjusted, a user can adjust the distance between the plurality of groups of limiting frames according to the size of the inductance coil, and the device can fix the plurality of groups of inductance coils at the same time.
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Description

Technical Field

[0001] This utility model relates to the field of inductor coil withstand voltage testing technology, and in particular to an inductor coil withstand voltage testing device. Background Technology

[0002] Inductors play a crucial role in various circuit systems and are widely used. One type of inductor on the market consists of a pair of coils wound one turn after another around a circular ring. The ring is an insulating tube that insulates the coils from each other. After a certain number of turns, leads are brought out. These inductors are classified into three main categories based on their shape: baseless and plateless inductors, inductors with a base, and inductors with a base plate.

[0003] Existing inductor coil withstand voltage testing devices cannot test multiple groups of inductors simultaneously during installation and use. However, in the production process of inductors, it is necessary to perform withstand voltage tests on multiple groups of inductors in the same batch, which increases the testing time and has a certain adverse effect on the user experience. In order to overcome the shortcomings of the existing technology, we propose an inductor coil withstand voltage testing device. Utility Model Content

[0004] The main objective of this invention is to provide an inductor coil withstand voltage testing device, which can effectively solve the problems in the background art.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0006] An inductor coil withstand voltage testing device includes a workbench with a fixed frame at its upper end. A first motor is mounted on the right end of the fixed frame. Multiple sets of first adjusting screws are installed inside the fixed frame. A first transmission bevel gear is mounted at one end of each first adjusting screw. A first movable frame is mounted on the outer wall of the first adjusting screw. A limit frame is mounted on the upper end of the first movable frame. A third transmission bevel gear is positioned between two sets of first transmission bevel gears. A second transmission rod is mounted at the lower end of the third transmission bevel gear. A second transmission bevel gear is mounted at the lower end of the second transmission rod. A driving bevel gear is mounted on one side of the second transmission bevel gear. A first transmission rod is installed inside the driving bevel gear. An adjusting frame is mounted at the upper end of the workbench, with a second adjusting screw inside. A second movable frame is mounted on the outer wall of the second adjusting screw. A balance bar is mounted inside the second movable frame. A second connecting frame is mounted on the upper end of the second movable frame. Three sets of first connecting frames are mounted on the upper end of the second connecting frame. Two sets of probes are mounted on one side of each first connecting frame.

[0007] Preferably, the third transmission bevel gear meshes with the first transmission bevel gear, the second transmission bevel gear meshes with the driving bevel gear, the driving bevel gear is welded to the first transmission rod, the first movable frame is threadedly connected to the first adjusting screw, the first movable frame is welded to the limiting frame, and the limiting frame is arc-shaped.

[0008] Preferably, the second movable frame and the second adjusting screw are threaded together, the second movable frame and the balance bar are movably connected, the outer wall of the balance bar is smooth, the second movable frame and the second connecting frame are welded together, a bearing is provided between the second adjusting screw and the adjusting frame, and the second adjusting screw and the adjusting frame are movably connected through the bearing.

[0009] Preferably, a bearing is provided between the first adjusting screw and the fixed frame, and the first adjusting screw and the fixed frame are movably connected by the bearing.

[0010] Preferably, a bearing is provided between the first transmission rod and the fixed frame, and the first transmission rod and the fixed frame are movably connected by the bearing.

[0011] Preferably, a bearing is provided between the second transmission rod and the fixed frame, and the second transmission rod and the fixed frame are movably connected by the bearing.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] 1. This inductor coil withstand voltage testing device, through the setting of a first adjustable screw and a first movable frame, etc., the first motor drives the first transmission rod to rotate, thereby driving multiple sets of third transmission bevel gears to rotate, so that the two sets of first transmission bevel gears meshing with the third transmission bevel gears rotate in opposite directions, so that the distance between the two sets of first movable frames can be adjusted. The user can adjust the distance between the multiple sets of limiting frames according to the size of the inductor coil, and the device can fix multiple sets of inductor coils at the same time.

[0014] 2. This inductor coil withstand voltage testing device, through the setting of a second movable frame and a second adjusting screw, etc., the second motor drives the second adjusting screw to rotate, so that the second movable frame can move back and forth, allowing multiple sets of probes to change positions and contact the pins of the inductor coil, thereby completing the withstand voltage test of multiple sets of inductor coils simultaneously, improving the testing efficiency of inductor coils. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0016] Figure 2 This is a schematic diagram of the combined structure of the first adjusting screw and the first movable frame of this utility model;

[0017] Figure 3This is the utility model Figure 2 A schematic diagram of the structure at point A;

[0018] Figure 4 This is a schematic diagram showing the disassembled structure of the second movable frame and the second connecting frame of this utility model.

[0019] In the diagram: 1. Workbench; 2. Adjusting bracket; 3. First motor; 4. Limiting bracket; 5. First movable bracket; 6. First transmission bevel gear; 7. First transmission rod; 8. Driving bevel gear; 9. First connecting bracket; 10. First adjusting screw; 11. Second transmission bevel gear; 12. Third transmission bevel gear; 13. Second motor; 14. Second movable bracket; 15. Balance bar; 16. Second adjusting screw; 17. Second connecting bracket; 18. Probe; 19. Fixed bracket; 20. Second transmission rod. Detailed Implementation

[0020] 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.

[0021] Example 1, as Figures 1-3 As shown, an inductor coil withstand voltage testing device includes a workbench 1. A fixed frame 19 is welded to the upper end of the workbench 1. A first motor 3 is detachably connected to the right end of the fixed frame 19. Multiple sets of first adjusting screws 10 are movably connected inside the fixed frame 19. A first transmission bevel gear 6 is welded to one end of the first adjusting screw 10. A first movable frame 5 is threaded to the outer wall of the first adjusting screw 10. A limit frame 4 is welded to the upper end of the first movable frame 5. A third transmission bevel gear 12 meshes between the two sets of first transmission bevel gears 6. A second transmission rod 20 is welded to the lower end of the third transmission bevel gear 12. A second transmission bevel gear 11 is welded to the lower end of the second transmission rod 20. A driving bevel gear 8 meshes on one side of the second transmission bevel gear 11. A first transmission rod 7 is welded inside the driving bevel gear 8.

[0022] Through the structure of the first adjusting screw 10 and the first movable frame 5, the first motor 3 drives the first transmission rod 7 to rotate, thereby driving multiple sets of third transmission bevel gears 12 to rotate, so that the two sets of first transmission bevel gears 6 meshing with the third transmission bevel gears 12 rotate in opposite directions, so that the distance between the two sets of first movable frames 5 can be adjusted. The user can adjust the distance between multiple sets of limiting frames 4 according to the size of the inductor coil, and the device can fix multiple sets of inductor coils at the same time.

[0023] Example 2, as Figure 1 as well as Figure 4As shown, an inductor coil withstand voltage testing device has an adjustable frame 2 welded to the upper end of the workbench 1. A second adjustable screw 16 is movably connected inside the adjustable frame 2. A second movable frame 14 is threadedly connected to the second adjustable screw 16. A balance bar 15 is movably connected inside the second movable frame 14. A second connecting frame 17 is welded to the upper end of the second movable frame 14. Three sets of first connecting frames 9 are welded to the upper end of the second connecting frame 17. Two sets of probes 18 are arranged on one side of the first connecting frame 9.

[0024] Through the structure of the second movable frame 14 and the second adjusting screw 16, the second motor 13 drives the second adjusting screw 16 to rotate, so that the second movable frame 14 can move back and forth, so that multiple sets of probes 18 can change positions and contact the pins of the inductor coil, thereby completing the withstand voltage test of multiple sets of inductor coils at the same time.

[0025] It should be noted that this utility model is an inductor coil withstand voltage testing device. In use, the user adjusts the distance between multiple sets of limiting frames 4 according to the diameter of the inductor coil. The first motor 3 drives the first transmission rod 7 to rotate, and the active bevel gear 8 drives the second transmission bevel gear 11 to rotate, thereby driving multiple sets of third transmission bevel gears 12 to rotate. This causes the two sets of first transmission bevel gears 6 meshing with the third transmission bevel gears 12 to rotate in opposite directions, so that the distance between the two sets of first movable frames 5 can be adjusted. The user puts the inductor coil between the two sets of limiting frames 4 to fix the inductor coil. The second motor 13 drives the second adjusting screw 16 to rotate, so that the second movable frame 14 can move back and forth, so that multiple sets of probes 18 can change positions and contact the pins of the inductor coil, thereby completing the withstand voltage test of multiple sets of inductor coils simultaneously.

[0026] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. An inductor coil withstand voltage testing device, comprising a workbench (1), characterized in that: A fixed frame (19) is provided on the upper end of the workbench (1). A first motor (3) is provided on the right end of the fixed frame (19). Multiple sets of first adjusting screws (10) are provided inside the fixed frame (19). A first transmission bevel gear (6) is provided at one end of the first adjusting screw (10). A first movable frame (5) is provided on the outer wall of the first adjusting screw (10). A limit frame (4) is provided on the upper end of the first movable frame (5). A third transmission bevel gear (12) is provided between the two sets of first transmission bevel gears (6). A second transmission rod (20) is provided at the lower end of the third transmission bevel gear (12). A second transmission bevel gear is provided at the lower end of the second transmission rod (20). The wheel (11) has a driving bevel gear (8) on one side of the second transmission bevel gear (11). The driving bevel gear (8) has a first transmission rod (7) inside. The worktable (1) has an adjustment frame (2) at the upper end. The adjustment frame (2) has a second adjustment screw (16) inside. The second adjustment screw (16) has a second movable frame (14) on its outer wall. The second movable frame (14) has a balance bar (15) inside. The second movable frame (14) has a second connecting frame (17) at the upper end. The second connecting frame (17) has three sets of first connecting frames (9) at the upper end. The first connecting frame (9) has two sets of probes (18) on one side.

2. The inductor coil withstand voltage testing device according to claim 1, characterized in that: The third transmission bevel gear (12) meshes with the first transmission bevel gear (6), the second transmission bevel gear (11) meshes with the driving bevel gear (8), the driving bevel gear (8) is welded to the first transmission rod (7), the first movable frame (5) is threadedly connected to the first adjusting screw (10), the first movable frame (5) is welded to the limiting frame (4), and the limiting frame (4) is arc-shaped.

3. The inductor coil withstand voltage testing device according to claim 1, characterized in that: The second movable frame (14) and the second adjusting screw (16) are threaded together. The second movable frame (14) and the balance bar (15) are movably connected. The outer wall of the balance bar (15) is smooth. The second movable frame (14) and the second connecting frame (17) are welded together. A bearing is provided between the second adjusting screw (16) and the adjusting frame (2). The second adjusting screw (16) and the adjusting frame (2) are movably connected through the bearing.

4. The inductor coil withstand voltage testing device according to claim 1, characterized in that: A bearing is provided between the first adjusting screw (10) and the fixed frame (19), and the first adjusting screw (10) and the fixed frame (19) are movably connected by the bearing.

5. The inductor coil withstand voltage testing device according to claim 2, characterized in that: A bearing is provided between the first transmission rod (7) and the fixed frame (19), and the first transmission rod (7) and the fixed frame (19) are movably connected by the bearing.

6. The inductor coil withstand voltage testing device according to claim 2, characterized in that: A bearing is provided between the second transmission rod (20) and the fixed frame (19), and the second transmission rod (20) and the fixed frame (19) are movably connected by the bearing.