Charger performance automatic detection device

Abstract

The invention relates to the technical field of charger automatic detection, and discloses a charger performance automatic detection device, which comprises a support frame, the surface of the support frame is fixedly connected with a support plate, and the surface of the support frame is fixedly connected with a telescopic rod. Through the arrangement of the limiting mechanism, a charger needing to be detected is firstly placed on the surface of a placement plate, when the placement plate is subjected to the weight of the charger, a reset spring is downwards extruded and attached to the inner wall of a downward pressing groove, when the placement plate moves, a telescopic rod is pushed to contract downwards, and when the telescopic rod contracts, a driven ring is driven to move downwards; when a driven ring moves, a lower pressing plate is driven to move downwards, when the lower pressing plate moves, a pulling plate is pulled to move downwards, when the pulling plate moves, a passive telescopic plate is driven to contract in the direction close to each other, and when the passive telescopic plate contracts, a push plate is pushed to move in the direction close to each other. When the push plate moves, the buffer elastic rods are pushed to move towards each other.

Description

Technical Field

[0001] The invention relates to the technical field of automatic charger detection equipment, in particular to an automatic charger performance detection device. Background Art

[0002] At present, portable electronic appliances are used more and more widely in people's daily lives, and thus the demand for chargers for replenishing power for portable electronic appliances has greatly increased. Therefore, manufacturers need to produce chargers in large quantities to meet the needs of the charger market. While mass-producing, they must also ensure the quality and service life of the chargers, as well as reduce production costs.

[0003] After the charger is produced, its electrical performance needs to be tested. Currently, workers insert the charging device into the charger for testing. However, during the testing process, the workers need to hold the insulating plate to fix the charger so that the charger remains stable for testing, which results in low testing efficiency. Summary of the invention

[0004] The purpose of the present invention is to provide a device for automatically detecting the performance of a charger to solve the problems raised in the above background technology.

[0005] In order to solve the above technical problems, the present invention is achieved through the following technical solutions:

[0006] The present invention is an automatic performance detection device for a charger, comprising a support frame, a support plate fixedly connected to the surface of the support frame, a telescopic rod fixedly connected to the surface of the support frame, and further comprising:

[0007] A limiting mechanism, the limiting mechanism comprising a push plate, a surface of which is fixedly connected with a buffer elastic rod;

[0008] A detection mechanism, the detection mechanism comprising a sliding frame, an end of the sliding frame being fixedly connected to a power supply device;

[0009] The fixing mechanism comprises a pushing frame, and a force-bearing elastic rod is fixedly connected to the bottom of the pushing frame.

[0010] Furthermore, a downward pressing groove is provided on the surface of the support plate, and the number of the telescopic rods is two, and the two telescopic rods are symmetrically arranged with the support plate as the center.

[0011] Furthermore, the limiting mechanism includes a placing plate, a return spring is fixedly connected to the bottom of the placing plate, a driven ring is fixedly connected to the surface of the telescopic rod, a lower pressure plate is fixedly connected to the surface of the driven ring, a pulling plate is rotatably connected to the surface of the lower pressure plate, an end of the pulling plate away from the lower pressure plate is rotatably connected to a passive telescopic plate, a moving groove is provided on the upper surface of the push plate, a sliding block is slidably connected to the inner wall of the moving groove, and the sliding block is fixedly connected to the limiting plate away from the inner wall of the moving groove.

[0012] Furthermore, one end of the return spring away from the placement plate is fixedly connected to the inner wall of the lower pressure groove, the telescopic rod completely passes through the bottom of the support plate and is fixedly connected to the bottom of the placement plate, one end of the passive telescopic plate away from the pulling plate is fixedly connected to both sides of the placement plate, and one end of the buffer elastic rod away from the push plate is fixedly connected to the surface of the limit plate.

[0013] Furthermore, the detection mechanism includes an extended elastic rod, the end of the extended elastic rod is fixedly connected to a force-bearing plate, the surface of the force-bearing plate is rotatably connected to an extrusion rod, the upper surface of the support frame is fixedly connected to a supporting cylinder, the surface of the supporting cylinder is provided with a groove, the surface of the force-bearing plate is fixedly connected to a correction frame, the end of the correction frame away from the force-bearing plate is fixedly connected to a correction plate, the end of the sliding frame is fixedly connected to a detection device, and the bottom of the lower pressure plate is fixedly connected to an extrusion frame.

[0014] Furthermore, one end of the extended elastic rod away from the force-bearing plate is fixedly connected to the upper surface of the support frame, the end of the supporting cylinder is fixedly connected to the upper surface of the support frame, the one end of the extrusion rod away from the force-bearing plate is rotatably connected to the surface of the sliding frame, the surface of the sliding frame is slidably connected to the inner wall of the groove, and the one end of the extrusion frame away from the lower pressure plate is in contact with the surface of the force-bearing plate. There are two sliding frames, and the two sliding frames are symmetrically arranged with the placement plate as the center.

[0015] Furthermore, the fixing mechanism includes a U-shaped frame, both sides of the U-shaped frame are fixedly connected with driven telescopic plates, the top of the driven telescopic plate is fixedly connected with a driven rod, the bottom of the driven telescopic plate is fixedly connected with an elastic plate, and the end of the force-bearing elastic rod away from the pushing frame is fixedly connected with a fixed plate.

[0016] Furthermore, the bottom of the U-shaped frame is fixedly connected to the top of the support frame, the bottom of the elastic plate is fixedly connected to the top of the pushing frame, and one end of the driven rod away from the driven telescopic plate is fixedly connected to the top of the force-bearing plate.

[0017] The present invention has the following beneficial effects:

[0018] The present invention provides a limiting mechanism, firstly, places the charger to be detected on the surface of the placing plate, when the placing plate is subjected to the weight of the charger, it will squeeze the reset spring downward and fit with the inner wall of the lower pressing groove, when the placing plate moves, it will push the telescopic rod to retract downward, when the telescopic rod retracts, it will drive the driven ring to move downward, when the driven ring moves, it will drive the lower pressing plate to move downward, when the lower pressing plate moves, it will pull the pulling plate to move downward, when the pulling plate moves, it will drive the passive telescopic plate to retract in the direction of approaching each other, when the passive telescopic plate retracts, it will push the pushing plate to move in the direction of approaching each other, when the pushing plate moves, it will push the buffer elastic rod to move in the direction of approaching each other, when the buffer elastic rod moves, it will push the limiting plate to move in the direction of approaching each other, when the limiting plate contacts the charger, it will move in the direction of moving away from each other, when the limiting plate moves, it will drive the sliding block to slide on the inner wall of the moving groove in the direction of moving away from each other, effectively limiting the charger, preventing movement during the charging process and saving labor.

[0019] The present invention provides a detection mechanism, and when the lower pressure plate moves downward, it will drive the extrusion frame to move downward. When the extrusion frame moves, it will push the force-bearing plate for extrusion. When the force-bearing plate is extruded, it will move in the direction of approaching each other. When the force-bearing plate moves, it will pull the extended elastic rod to extend in the direction of approaching each other. When the force-bearing plate moves, it will push the extrusion rod to move in the direction of approaching each other. When the extrusion rod moves, it will drive the sliding frame to slide on the inner wall of the groove in the direction of approaching each other. When the sliding frame moves, it will push the power-on device to move in the direction of the charger and insert it into the power-on hole of the charger to power on the charger. When the force-bearing plate moves, it will push the correction frame to move in the direction of approaching each other. When the correction frame moves, it will push the correction plate to move in the direction of approaching each other and fit with both sides of the charger, so that the charger can be corrected to prevent deviation. There are two sliding frames, and when the other sliding frame moves, it will push the detection device to move in the direction of the charger and insert it into the detection hole of the charger, so that the charger can be effectively detected quickly, the labor of workers is saved, and the detection efficiency is improved.

[0020] The present invention sets a fixing mechanism, when the force-bearing plate moves, it will drive the driven rod to move in the direction of approaching each other, when the driven rod moves, it will drive the driven telescopic plate to shrink in the direction of approaching each other, when the driven telescopic plate shrinks, it will squeeze the elastic plate, when the elastic plate is squeezed, the middle part will bend, when the middle part of the elastic plate is bent, it will push the pushing frame to move downward, when the pushing frame moves, it will push the force-bearing elastic rod to move downward, when the force-bearing elastic rod moves, it will push the fixed plate to move downward and contact with the top of the charger, and fix the charger, so as to prevent shaking during charging and detection, thereby causing inaccurate detection.

[0021] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for describing the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0023] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0024] Figure 2 It is a schematic diagram of the overall cross-sectional structure of the present invention;

[0025] Figure 3 It is a schematic diagram of the overall structure of the limiting mechanism of the present invention;

[0026] Figure 4 This is a schematic diagram of the structure of the return spring of the present invention;

[0027] Figure 5 This is a schematic diagram of the pull plate structure of the present invention;

[0028] Figure 6 For the present invention Figure 5 A schematic diagram of the enlarged structure of part A;

[0029] Figure 7 It is a schematic diagram of the overall structure of the detection mechanism of the present invention;

[0030] Figure 8 It is a schematic diagram of the structure of the detection device of the present invention;

[0031] Fig. 9 It is a schematic diagram of the overall structure of the reinforcement mechanism of the present invention;

[0032] Fig.10 It is a schematic diagram of the structure of the push frame of the present invention.

[0033] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0034] In the figure: 1. support frame; 2. support plate; 3. telescopic rod; 10. limiting mechanism; 11. placement plate; 12. reset spring; 13. driven ring; 14. lower pressure plate; 15. pulling plate; 16. passive telescopic plate; 17. push plate; 18. buffer elastic rod; 19. sliding block; 20. limiting plate; 30. detection mechanism; 31. extension elastic rod; 32. force plate; 33. extrusion rod; 34. supporting cylinder; 35. sliding frame; 36. power-on device; 37. correction frame; 38. correction plate; 39. detection device; 40. extrusion frame; 50. fixing mechanism; 51. U-shaped frame; 52. driven telescopic plate; 53. driven rod; 54. elastic plate; 55. pushing frame; 56. force elastic rod; 57. fixing plate. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0036] See also Figure 1 - Fig.10 As shown, the present invention is an automatic performance detection device for a charger, comprising a support frame 1, a support plate 2 is fixedly connected to the surface of the support frame 1, a telescopic rod 3 is fixedly connected to the surface of the support frame 1, and further comprising;

[0037] The limiting mechanism 10 includes a push plate 17. When the passive telescopic plate 16 contracts, the push plate 17 is pushed to move in a direction close to each other. A buffer elastic rod 18 is fixedly connected to the surface of the push plate 17. When the push plate 17 moves, the buffer elastic rod 18 is pushed to move in a direction close to each other.

[0038] The detection mechanism 30 includes a sliding frame 35. When the extrusion rod 33 moves, the sliding frame 35 is driven to slide on the inner wall of the groove in a direction close to each other. The end of the sliding frame 35 is fixedly connected to a power supply device 36. When the sliding frame 35 moves, the power supply device 36 is pushed to move toward the charger and inserted into the power supply hole of the charger to power on the charger.

[0039] The fixing mechanism 50 includes a pushing frame 55. When the middle part of the elastic plate 54 bends, it will push the pushing frame 55 to move downward. The bottom of the pushing frame 55 is fixedly connected with a stressed elastic rod 56. When the pushing frame 55 moves, it will push the stressed elastic rod 56 to move downward.

[0040] A downward pressing groove is provided on the surface of the support plate 2. There are two telescopic rods 3. When the placement plate 11 moves, the telescopic rods 3 are pushed downward to retract. The two telescopic rods 3 are symmetrically arranged with the support plate 2 as the center.

[0041] The limiting mechanism 10 includes a placement plate 11. First, the charger to be tested is placed on the surface of the placement plate 11. The bottom of the placement plate 11 is fixedly connected with a reset spring 12. The surface of the telescopic rod 3 is fixedly connected with a driven ring 13. When the telescopic rod 3 contracts, the driven ring 13 will move downward. The surface of the driven ring 13 is fixedly connected with a lower pressure plate 14. When the driven ring 13 moves, the lower pressure plate 14 will move downward. The surface of the lower pressure plate 14 is rotatably connected with a pulling plate 15. The end of the pulling plate 15 away from the lower pressure plate 14 is rotatably connected with a passive telescopic plate 16. When the pulling plate 15 moves, it will drive the passive telescopic plate 16 to move downward. The retracting plate 16 shrinks in the direction of approaching each other, and a moving groove is opened on the upper surface of the pushing plate 17. The inner wall of the moving groove is slidably connected with a sliding block 19. When the limiting plate 20 moves, it will drive the sliding block 19 to slide on the inner wall of the moving groove in the direction of moving away from each other. The sliding block 19 is fixedly connected to the limiting plate 20 away from the inner wall of the moving groove. When the buffer elastic rod 18 moves, it will push the limiting plate 20 to move in the direction of approaching each other. When the limiting plate 20 contacts the charger, it will move in the direction of moving away from each other, which effectively limits the charger, prevents movement during charging and saves labor.

[0042] The end of the return spring 12 away from the placement plate 11 is fixedly connected to the inner wall of the lower pressure groove. When the placement plate 11 is subjected to the weight of the charger, the return spring 12 will be squeezed downward and fit with the inner wall of the lower pressure groove. The telescopic rod 3 completely passes through the bottom of the support plate 2 and is fixedly connected to the bottom of the placement plate 11. The end of the passive telescopic plate 16 away from the pulling plate 15 is fixedly connected to both sides of the placement plate 11. When the lower pressure plate 14 moves, it will pull the pulling plate 15 downward. The end of the buffer elastic rod 18 away from the push plate 17 is fixedly connected to the surface of the limit plate 20.

[0043] The detection mechanism 30 includes an extended elastic rod 31, the end of the extended elastic rod 31 is fixedly connected to a force-bearing plate 32, when the extrusion frame 40 moves, it will push the force-bearing plate 32 to be extruded, when the force-bearing plate 32 is extruded, it will move in a direction close to each other, the surface of the force-bearing plate 32 is rotatably connected to the extrusion rod 33, the upper surface of the support frame 1 is fixedly connected to a supporting cylinder 34, the surface of the supporting cylinder 34 is provided with a groove, the surface of the force-bearing plate 32 is fixedly connected to a correction frame 37, when the force-bearing plate 32 moves, it will push the correction frame 37 to move in a direction close to each other, the end of the correction frame 37 away from the force-bearing plate 32 is fixedly connected to a correction plate 38, when the correction When the positive frame 37 moves, it will push the correction plate 38 to move towards each other and fit with the two sides of the charger, so as to correct the charger and prevent it from being offset. The end of the sliding frame 35 is fixedly connected with a detection device 39, and the bottom of the lower pressure plate 14 is fixedly connected with an extrusion frame 40. When the lower pressure plate 14 moves downward, it will drive the extrusion frame 40 to move downward. There are two sliding frames 35. When moving, the other sliding frame 35 will push the detection device 39 to move in the direction of the charger and insert it into the interior of the charger detection hole, which can effectively and quickly detect the charger, save the labor of workers, and improve the efficiency of detection.

[0044] The end of the extended elastic rod 31 away from the force-bearing plate 32 is fixedly connected to the upper surface of the support frame 1. When the force-bearing plate 32 moves, the extended elastic rod 31 will be pulled to extend in the direction of approaching each other. The end of the supporting cylinder 34 is fixedly connected to the upper surface of the support frame 1. The end of the extrusion rod 33 away from the force-bearing plate 32 is rotatably connected to the surface of the sliding frame 35. When the force-bearing plate 32 moves, the extrusion rod 33 is pushed to move in the direction of approaching each other. The surface of the sliding frame 35 is slidably connected to the inner wall of the groove. The end of the extrusion frame 40 away from the lower pressure plate 14 contacts the surface of the force-bearing plate 32. There are two sliding frames 35. When the extrusion rod 33 moves, it will drive the sliding frame 35 to slide on the inner wall of the groove in the direction of approaching each other. The two sliding frames 35 are symmetrically arranged with the placement plate 11 as the center.

[0045] The fixing mechanism 50 includes a U-shaped frame 51, and driven telescopic plates 52 are fixedly connected on both sides of the U-shaped frame 51. When the force-bearing plate 32 moves, the driven rod 53 will be driven to move in a direction close to each other. The top of the driven telescopic plate 52 is fixedly connected to the driven rod 53, and the bottom of the driven telescopic plate 52 is fixedly connected to an elastic plate 54. When the driven telescopic plate 52 contracts, the elastic plate 54 will be squeezed. When the elastic plate 54 is squeezed, the middle part will bend. The end of the force-bearing elastic rod 56 away from the pushing frame 55 is fixedly connected to a fixed plate 57. When the force-bearing elastic rod 56 moves, it will push the fixed plate 57 to move downward and contact with the top of the charger, thereby fixing the charger to prevent shaking during charging and detection, thereby causing inaccurate detection.

[0046] The bottom of the U-shaped frame 51 is fixedly connected to the top of the support frame 1, the bottom of the elastic plate 54 is fixedly connected to the top of the pushing frame 55, and the end of the driven rod 53 away from the driven telescopic plate 52 is fixedly connected to the top of the force plate 32. When the driven rod 53 moves, it will drive the driven telescopic plate 52 to shrink in the direction of approaching each other.

[0047] When in use, first place the charger to be tested on the surface of the placement plate 11. When the placement plate 11 is subjected to the weight of the charger, it will squeeze the reset spring 12 downward and fit with the inner wall of the lower pressing groove. When the placement plate 11 moves, it will push the telescopic rod 3 to retract downward. When the telescopic rod 3 retracts, it will drive the driven ring 13 to move downward. When the driven ring 13 moves, it will drive the lower pressing plate 14 to move downward. When the lower pressing plate 14 moves, it will pull the pulling plate 15 downward. When the pulling plate 15 moves, it will drive the passive telescopic plate 16 to retract in the direction of approaching each other. When the passive telescopic plate 16 retracts, it will push the push plate 1 7 moves in the direction of approaching each other, when the push plate 17 moves, it pushes the buffer elastic rod 18 to move in the direction of approaching each other, when the buffer elastic rod 18 moves, it pushes the limit plate 20 to move in the direction of approaching each other, when the limit plate 20 contacts the charger, it moves in the direction of moving away from each other, when the limit plate 20 moves, it drives the sliding block 19 to slide in the direction of moving away from each other on the inner wall of the moving groove, and when the lower pressure plate 14 moves downward, it drives the extrusion frame 40 to move downward, when the extrusion frame 40 moves, it pushes the force plate 32 to be extruded, and when the force plate 32 is extruded, it moves in the direction of approaching each other. When the force-bearing plate 32 moves, it will pull the extension elastic rod 31 to extend in the direction of approaching each other. When the force-bearing plate 32 moves, it will push the extrusion rod 33 to move in the direction of approaching each other. When the extrusion rod 33 moves, it will drive the sliding frame 35 to slide on the inner wall of the groove in the direction of approaching each other. When the sliding frame 35 moves, it will push the power-on device 36 to move in the direction of the charger and insert it into the power-on hole of the charger to power on the charger. When the force-bearing plate 32 moves, it will push the correction frame 37 to move in the direction of approaching each other. When the correction frame 37 moves, it will push the correction plate 38 to move in the direction of approaching each other. , fitting with both sides of the charger, when the force-bearing plate 32 moves, it will drive the driven rod 53 to move in the direction of approaching each other, when the driven rod 53 moves, it will drive the driven telescopic plate 52 to shrink in the direction of approaching each other, when the driven telescopic plate 52 shrinks, it will squeeze the elastic plate 54, when the elastic plate 54 is squeezed, the middle part will bend, when the middle part of the elastic plate 54 bends, it will push the pushing frame 55 to move downward, when the pushing frame 55 moves, it will push the force-bearing elastic rod 56 to move downward, when the force-bearing elastic rod 56 moves, it will push the fixed plate 57 to move downward and contact with the top of the charger.

[0048] The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can understand and use the present invention well. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A charger performance automatic detection device, comprising a support frame (1), a support plate (2) fixedly connected to the surface of the support frame (1), a telescopic rod (3) fixedly connected to the surface of the support frame (1), characterized in that: Also includes; A limiting mechanism (10), the limiting mechanism (10) comprising a push plate (17), a surface of the push plate (17) being fixedly connected to a buffer elastic rod (18); A detection mechanism (30), the detection mechanism (30) comprising a sliding frame (35), an end of the sliding frame (35) being fixedly connected to a power supply device (36); The fixing mechanism (50) comprises a pushing frame (55), and a force-bearing elastic rod (56) is fixedly connected to the bottom of the pushing frame (55).

2. The automatic performance detection device for a charger according to claim 1, characterized in that: A downward pressing groove is provided on the surface of the support plate (2), and the number of the telescopic rods (3) is two, and the two telescopic rods (3) are symmetrically arranged with the support plate (2) as the center.

3. The automatic performance detection device for a charger according to claim 2, characterized in that: The limiting mechanism (10) comprises a placing plate (11), the bottom of which is fixedly connected to a return spring (12), the surface of the telescopic rod (3) is fixedly connected to a driven ring (13), the surface of the driven ring (13) is fixedly connected to a lower pressure plate (14), the surface of the lower pressure plate (14) is rotatably connected to a pulling plate (15), one end of the pulling plate (15) away from the lower pressure plate (14) is rotatably connected to a passive telescopic plate (16), a moving groove is provided on the upper surface of the push plate (17), the inner wall of the moving groove is slidably connected to a sliding block (19), and the sliding block (19) is fixedly connected to a limiting plate (20) away from the inner wall of the moving groove.

4. The automatic performance detection device for a charger according to claim 3 is characterized in that: The end of the return spring (12) away from the placement plate (11) is fixedly connected to the inner wall of the lower pressure groove, the telescopic rod (3) completely penetrates the bottom of the support plate (2) and is fixedly connected to the bottom of the placement plate (11), the end of the passive telescopic plate (16) away from the pulling plate (15) is fixedly connected to both sides of the placement plate (11), and the end of the buffer elastic rod (18) away from the push plate (17) is fixedly connected to the surface of the limit plate (20).

5. The automatic performance detection device for a charger according to claim 4, characterized in that: The detection mechanism (30) includes an extended elastic rod (31), the end of the extended elastic rod (31) is fixedly connected to a force-bearing plate (32), the surface of the force-bearing plate (32) is rotatably connected to an extrusion rod (33), the upper surface of the support frame (1) is fixedly connected to a support cylinder (34), the surface of the support cylinder (34) is provided with a groove, the surface of the force-bearing plate (32) is fixedly connected to a correction frame (37), the end of the correction frame (37) away from the force-bearing plate (32) is fixedly connected to a correction plate (38), the end of the sliding frame (35) is fixedly connected to a detection device (39), and the bottom of the lower pressure plate (14) is fixedly connected to an extrusion frame (40).

6. The automatic performance detection device for a charger according to claim 5, characterized in that: One end of the extending elastic rod (31) away from the force-bearing plate (32) is fixedly connected to the upper surface of the support frame (1), and the end of the supporting cylinder (34) is fixedly connected to the upper surface of the support frame (1). One end of the extrusion rod (33) away from the force-bearing plate (32) is rotatably connected to the surface of the sliding frame (35), and the surface of the sliding frame (35) is slidably connected to the inner wall of the groove. One end of the extrusion frame (40) away from the lower pressure plate (14) contacts the surface of the force-bearing plate (32). There are two sliding frames (35), and the two sliding frames (35) are symmetrically arranged with the placement plate (11) as the center.

7. The automatic performance detection device for a charger according to claim 6, characterized in that: The fixing mechanism (50) comprises a U-shaped frame (51), wherein two sides of the U-shaped frame (51) are fixedly connected with driven telescopic plates (52), the top of the driven telescopic plate (52) is fixedly connected with a driven rod (53), the bottom of the driven telescopic plate (52) is fixedly connected with an elastic plate (54), and one end of the stressed elastic rod (56) away from the pushing frame (55) is fixedly connected with a fixing plate (57).

8. The automatic performance detection device for a charger according to claim 7, characterized in that: The bottom of the U-shaped frame (51) is fixedly connected to the top of the support frame (1), the bottom of the elastic plate (54) is fixedly connected to the top of the pushing frame (55), and one end of the driven rod (53) away from the driven telescopic plate (52) is fixedly connected to the top of the force-bearing plate (32).

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