Drop test device for power adapter production

Abstract

The utility model relates to the technical field of power adapter processing, and discloses a drop test device for power adapter production, which comprises a base, the middle of the top of the base is fixedly connected with a transparent cover, the left side and the right side of the top of the base are fixedly connected with bearing columns, one side of each bearing column is fixedly connected with a servo motor, and the other side of each bearing column is fixedly connected with a servo motor. The output end of the servo motor is fixedly connected with a rotating rod, the rotating rod penetrates through and is rotationally connected with the bearing column, the left side of the rotating rod is fixedly connected with a two-way threaded rod, the outer ring of the two-way threaded rod is in threaded connection with a nut pair, and the bottom of the nut pair is fixedly connected with a connecting block; and spring grooves which are uniformly distributed are formed in one side of the connecting block. According to the utility model, the drop test device applied to power adapter production can clamp power adapters of different sizes and different shapes through linkage among the spring, the spring groove, the rubber column, the connecting block and the nut pair and carry out multi-angle drop tests.

Description

Technical Field

[0001] The utility model relates to the technical field of power adapter processing, in particular to a drop test device used for power adapter production. Background Art

[0002] The power adapter is a power supply conversion device for small portable electronic devices and electronic appliances. It is generally composed of components such as casing, transformer, inductor, capacitor, control IC, PCB board, etc. Its working principle is to convert AC input into DC output. It is widely used in security cameras, set-top boxes, routers, light strips, massagers and other equipment. After the power adapter is processed, it needs to be subjected to a drop test, so a drop test device is needed.

[0003] After searching, the existing Chinese patent announcement number is: CN219301929U, which provides a drop test device for power adapter production. This patent can start the servo motor to drive the pallet to rise or fall through the mutual cooperation of the first threaded sleeve, the second threaded sleeve, the servo motor, the first sliding plate, the support plate and other structures, thereby realizing the adjustment of the test height. Through the mutual cooperation of the second sliding plate, the bolt, the fixing block, the support plate and other structures, one corner of the test sample can be placed in the cross groove on the top of the pallet, and the other corner can be fixed with the fixing block, so that the sample can be subjected to a corner drop test.

[0004] Although the above patent can adjust the test height, the above drop test device for power adapter production still has the following problem: it is unable to clamp power adapters of different shapes and sizes.

[0005] In view of the above problems, a drop test device for power adapter production is proposed. Utility Model Content

[0006] The utility model aims to provide a drop test device for power adapter production, which solves the problem in the background art that power adapters of different shapes and sizes cannot be clamped.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a drop test device for power adapter production, comprising a base, a transparent cover is fixedly connected to the middle of the top of the base, bearing columns are fixedly connected to the left and right sides of the top of the base, a servo motor is fixedly connected to one side of the bearing column, a rotating rod is fixedly connected to the output end of the servo motor, and the rotating rod penetrates and is rotatably connected to the bearing column, a two-way threaded rod is fixedly connected to the left side of the rotating rod, a nut pair is threadedly connected to the outer ring of the two-way threaded rod, a limit rod is penetrated and slidably connected to the middle of one side of the nut pair, and the limit rod is fixedly connected to the bearing column, a connecting block is fixedly connected to the bottom of the nut pair, one side of the connecting block is provided with evenly distributed spring grooves, a spring is fixedly connected to the inner wall of the spring groove, one end of the spring is fixedly connected to a rubber column, and the rubber column is slidably connected to the connecting block, and a lifting component is arranged inside the base.

[0008] By adopting the above technical solution, power adapters of different sizes and shapes can be clamped and multi-angle drop tests can be performed through the linkage between the spring, the spring slot, the rubber column, the connecting block and the nut pair.

[0009] As a further description of the above technical solution: the lifting assembly includes a sliding groove, and the sliding groove is fixedly connected to the inside of the base.

[0010] By adopting the above technical solution, the supporting plate can slide up and down through the installed sliding groove.

[0011] As a further description of the above technical solution: a push rod motor is fixed in the middle of the top of the sliding groove.

[0012] By adopting the above technical solution, the supporting plate can be lifted and lowered by the installed push rod motor.

[0013] As a further description of the above technical solution: the output end of the push rod motor is fixedly connected to a bearing plate.

[0014] By adopting the above technical solution, a fallen power adapter can be supported by the installed supporting plate.

[0015] As a further description of the above technical solution: the top of the carrying plate is slidably connected with a fixed block.

[0016] By adopting the above technical solution, the fallen power adapter can be moved to a specified position through the installed fixing block.

[0017] As a further description of the above technical solution: a tension spring is fixedly connected to one side of the bottom of the fixing block.

[0018] By adopting the above technical solution, the fixed block can be reset for the next clamping through the installed tension spring.

[0019] As a further description of the above technical solution: the other end of the tension spring is fixedly connected with a tension spring groove.

[0020] By adopting the above technical solution, the installed tension spring groove can support the tension spring to perform a reset action.

[0021] As a further description of the above technical solution: one side of the pull rope is fixedly connected to the other side of the bottom of the fixed block, and the other side of the pull rope is fixedly connected to the base.

[0022] By adopting the above technical solution, the fixed block can effectively perform a clamping action through the installed pull rope.

[0023] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0024] 1. The utility model provides a drop test device for power adapter production. First, through the linkage between the spring, spring slot, rubber column, connecting block and nut pair, power adapters of different sizes and shapes can be clamped and multi-angle drop tests can be performed.

[0025] 2. The utility model provides a drop test device for power adapter production. Through the linkage between the push rod motor, the load-bearing plate, the pull rope, the tension spring, the fixed block and the tension spring groove, the device can automatically reset the adapter to the initial position after each drop test, ready for the next test, thereby improving the continuity and efficiency of the test. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0027] Figure 2 It is a cutaway stereogram of the utility model;

[0028] Figure 3 It is an internal schematic diagram of the nut pair of the utility model.

[0029] In the figure: 1. base; 2. transparent cover; 3. load-bearing column; 4. servo motor; 5. rotating rod; 6. bidirectional threaded rod; 7. nut pair; 8. connecting block; 9. rubber column; 10. tension spring groove; 11. spring groove; 12. spring; 13. tension spring; 14. fixing block; 15. load-bearing plate; 16. push rod motor; 17. pull rope; 18. sliding groove; 19. limit rod. DETAILED DESCRIPTION

[0030] The following will refer to the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] In order to further understand the content of the utility model, the utility model is described in detail with reference to the accompanying drawings.

[0032] Reference Figure 1 The utility model is a drop test device for power adapter production, comprising a base 1, a transparent cover 2 is fixedly connected to the middle of the top of the base 1, and the transparent cover 2 can be installed to prevent the power adapter from falling out of the test device during the test drop process, and the left and right sides of the top of the base 1 are fixedly connected to the support column 3, one side of the support column 3 is fixedly connected to the servo motor 4, the output end of the servo motor 4 is fixedly connected to the rotating rod 5, and the rotating rod 5 penetrates and is rotatably connected to the support column 3, and the left side of the rotating rod 5 is fixedly connected to the two-way threaded rod 6, and the middle of one side of the nut pair 7 penetrates and is slidably connected to the limit rod 19, and the limit rod 19 is fixedly connected to the support column 3, and the linkage between the two-way threaded rod 6 and the servo motor 4 can effectively perform the clamping action.

[0033] Reference Figure 1 and Figure 3 The outer ring of the bidirectional threaded rod 6 is threadedly connected with a nut pair 7, and the bottom of the nut pair 7 is fixedly connected with a connecting block 8. One side of the connecting block 8 is provided with evenly distributed spring grooves 11, and the inner wall of the spring groove 11 is fixedly connected with a spring 12. One end of the spring 12 is fixedly connected with a rubber column 9, and the rubber column 9 is slidably connected to the connecting block 8. A lifting assembly is arranged inside the base 1. Through the linkage among the spring 12, the spring groove 11, the rubber column 9, the connecting block 8 and the nut pair 7, the power adapters of different sizes and shapes can be clamped and multi-angle drop tests can be performed.

[0034] Reference Figure 2The lifting assembly includes a sliding groove 18, which is fixedly connected to the inside of the base 1, a push rod motor 16 is fixed in the middle of the top of the sliding groove 18, and the output end of the push rod motor 16 is fixedly connected to the load-bearing plate 15, and the top of the load-bearing plate 15 is slidably connected to a fixed block 14, a tension spring 13 is fixedly connected to one side of the bottom of the fixed block 14, and the other end of the tension spring 13 is fixedly connected to the tension spring groove 10, and one side of the pull rope 17 is fixedly connected to the other side of the bottom of the fixed block 14, and the other side of the pull rope 17 is fixedly connected to the base 1, through the linkage between the push rod motor 16, the load-bearing plate 15, the pull rope 17, the tension spring 13, the fixed block 14 and the tension spring groove 10, after each drop test, the device can automatically reset the adapter to the initial position, ready for the next test, thereby improving the continuity and efficiency of the test.

[0035] Working principle: first, place the power adapter between the connecting blocks 8, then start the servo motor 4 to rotate the bidirectional threaded rod 6 so that the connecting blocks 8 are close to each other, so the power adapter is clamped by the pressure of the rubber column 9 to the spring 12, and then after it is fixed, start the servo motor 4 to make the connecting blocks 8 move away from each other, so that the power adapter falls, and then after the power adapter falls onto the supporting plate 15, start the push rod motor 16 to let the supporting plate 15 rise, at this time, the fixed block 14 on the supporting plate 15 slides through the pull rope 17 installed on the base 1 so that the power adapter is moved to the middle position, and then at this time the supporting plate 15 just rises to a certain height so that the power adapter is clamped by the rubber column 9 again, and then the supporting plate 15 is reset, and at the same time, the fixed block 14 on the supporting plate 15 is reset through the tension spring 13 installed in the tension spring groove 10, so as to carry out the next test.

[0036] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A drop test device for power adapter production, comprising a base (1), characterized in that: A transparent cover (2) is fixedly connected to the middle of the top of the base (1); support columns (3) are fixedly connected to the left and right sides of the top of the base (1); a servo motor (4) is fixedly connected to one side of the support column (3); a rotating rod (5) is fixedly connected to the output end of the servo motor (4); the rotating rod (5) and the support column (3) are penetrated and rotatably connected; a bidirectional threaded rod (6) is fixedly connected to the left side of the rotating rod (5); a nut pair (7) is threadedly connected to the outer ring of the bidirectional threaded rod (6); and the nut pair A limiting rod (19) passes through the middle of one side of the nut pair (7) and is slidably connected, and the limiting rod (19) is fixedly connected to the bearing column (3), the bottom of the nut pair (7) is fixedly connected to a connecting block (8), one side of the connecting block (8) is provided with evenly distributed spring grooves (11), the inner wall of the spring groove (11) is fixedly connected to a spring (12), one end of the spring (12) is fixedly connected to a rubber column (9), and the rubber column (9) is slidably connected to the connecting block (8), and a lifting component is arranged inside the base (1).

2. A drop test device for power adapter production according to claim 1, characterized in that: The lifting assembly comprises a sliding groove (18), and the sliding groove (18) is fixedly connected to the inside of the base (1).

3. A drop test device for power adapter production according to claim 2, characterized in that: A push rod motor (16) is fixed in the middle of the top of the sliding groove (18).

4. A drop test device for power adapter production according to claim 3, characterized in that: The output end of the push rod motor (16) is fixedly connected to a bearing plate (15).

5. A drop test device for power adapter production according to claim 4, characterized in that: The top of the carrying plate (15) is slidably connected with a fixing block (14).

6. A drop test device for power adapter production according to claim 5, characterized in that: A tension spring (13) is fixedly connected to one side of the bottom of the fixing block (14).

7. A drop test device for power adapter production according to claim 6, characterized in that: The other end of the tension spring (13) is fixedly connected to a tension spring groove (10).

8. The drop test device for power adapter production according to claim 5, characterized in that: One side of a pull rope (17) is fixedly connected to the other side of the bottom of the fixed block (14), and the other side of the pull rope (17) is fixedly connected to the base (1).

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