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CN-224216491-U - Scratch-resistant testing device for mobile phone display screen

CN224216491UCN 224216491 UCN224216491 UCN 224216491UCN-224216491-U

Abstract

The utility model belongs to the technical field of scratch resistance tests, and particularly relates to a scratch resistance test device for a mobile phone display screen, which comprises a bottom plate, wherein a support is fixedly connected to the top of the bottom plate, a support is arranged on the side face of the support, a fixing rod is fixedly connected to the top of the support, a test device is arranged on the top of the support, the test device comprises a servo motor, the side face of the servo motor is fixedly connected to the side face of the support, a rotating shaft is fixedly connected to an output shaft of the servo motor, and a bevel gear I is fixedly connected to the circumferential face of the rotating shaft. The utility model solves the problem that the wiping head cannot be replaced, so that the screw rod rotates in the bracket, the connecting rod can be driven to reciprocate along the screw rod when the screw rod rotates, the telescopic rod can be driven to move through the supporting rod when the connecting rod moves, and then the wiping head can be driven to move when the telescopic rod moves, so that the wiping head can scratch the display screen on the bottom plate when moving.

Inventors

  • XIONG CHAOWEI
  • LI HUFENG
  • LIANG JIAMING

Assignees

  • 深圳市深顺欣科技有限公司

Dates

Publication Date
20260508
Application Date
20250526

Claims (7)

  1. 1. The scratch-resistant testing device for the mobile phone display screen comprises a bottom plate (1) and is characterized in that a support (2) is fixedly connected to the top of the bottom plate (1), a support (3) is arranged on the side face of the support (2), a fixing rod (4) is fixedly connected to the top of the support (3), and a testing device (5) is arranged on the top of the support (3); Testing arrangement (5) are including servo motor (51), the side fixedly connected with of servo motor (51) is in the side of support (3), the output shaft fixedly connected with pivot (52) of servo motor (51), the circumference fixedly connected with bevel gear (53) of pivot (52), the inner wall rotation of support (3) is connected with lead screw (54), the side fixedly connected with bevel gear two (55) of lead screw (54), the circumference threaded connection of lead screw (54) has connecting rod (56), the side of connecting rod (56) is provided with bracing piece (57), the inner wall slip of connecting rod (56) runs through has pin (58), the circumference of pin (58) is slipped and is run through the inner wall of bracing piece (57), the bottom fixedly connected with telescopic link (59) of bracing piece (57), the circumference fixedly connected with clamp plate (510) of telescopic link (59), the flexible end fixedly connected with of telescopic link (59) is cleaned first (511).
  2. 2. The device for testing the scratch resistance of the mobile phone display screen according to claim 1, wherein an elastic spring (512) is fixedly connected to the bottom of the pressing plate (510), and one end, away from the pressing plate (510), of the elastic spring (512) is fixedly connected to the top of the wiping head (511).
  3. 3. The mobile phone display screen scratch-resistant testing device according to claim 1, wherein a first belt pulley (513) is fixedly connected to the circumferential surface of the screw rod (54), a belt (514) is connected to the circumferential surface of the first belt pulley (513) in a transmission manner, a second belt pulley (515) is connected to the inner wall of the belt (514) in a transmission manner, and the inner wall of the second belt pulley (515) is fixedly connected to the circumferential surface of the screw rod (54).
  4. 4. The mobile phone display screen scratch resistance testing device according to claim 1, wherein the circumferential surface of the first bevel gear (53) is meshed with the circumferential surface of the second bevel gear (55), the number of the screw rod (54), the connecting rod (56), the supporting rod (57) and the pin (58) is two, the number of the telescopic rod (59), the pressing plate (510), the wiping head (511) and the number of the elastic spring (512) are two, and the number of the telescopic rod (59), the pressing plate (510), the wiping head and the elastic spring (512) are symmetrical to each other along the vertical central axis of the supporting rod (57).
  5. 5. The mobile phone display screen scratch-resistant testing device according to claim 1, wherein the top of the base plate (1) is provided with a fixing device (6), the fixing device (6) comprises a connecting block (61), the bottom of the connecting block (61) is fixedly connected to the top of the base plate (1), a sliding sleeve (62) is fixedly connected to the side face of the connecting block (61), a sliding rod (63) is slidably connected to the inner wall of the sliding sleeve (62), a pressing rod (64) is fixedly connected to the side face of the sliding rod (63), a limiting block (65) is fixedly connected to the top of the base plate (1), a reset spring (66) is fixedly connected to the inner wall of the sliding sleeve (62), and one end, far away from the sliding sleeve (62), of the reset spring (66) is fixedly connected to the side face of the sliding rod (63).
  6. 6. The mobile phone display screen scratch-resistant testing device according to claim 1, wherein the side face of the support (2) is provided with a jack (67), the inner wall of the jack (67) is connected with a plug pin (68) in a sliding mode, and the circumferential face of the plug pin (68) penetrates through the side face of the support (3) in a sliding mode.
  7. 7. The mobile phone display screen scratch-resistant testing device according to claim 6, wherein the number of the jacks (67) is several, the jacks are symmetrical to each other along the vertical central axis of the support (2), and the supports (2) are several and distributed along the four corners of the bottom plate (1).

Description

Scratch-resistant testing device for mobile phone display screen Technical Field The utility model belongs to the technical field of scratch-resistant tests, and particularly relates to a scratch-resistant test device for a mobile phone display screen. Background The technology is used for testing the scratch resistance of the display screen, and is characterized in that the scratch resistance of the display screen is tested by simulating scratch scenes possibly encountered in actual use, professional equipment such as scratch testers with scratch heads with different hardness and shape is generally adopted in the test, when the scratch testers are used for testing, the scratch heads repeatedly scratch the surface of the display screen at specific pressure, speed and angle, the scratch actions of objects such as keys, nails and the like are simulated, after the test is finished, tools such as a microscope, a color difference meter and the like are used for observing whether scratches and damage occur on the surface of the display screen, the damage degree is evaluated, such as the scratch depth, the scratch width and the scratch quantity are evaluated, the scratch resistance performance grade of the display screen is judged according to relevant standards, basis is provided for product design and quality control, the technology is helpful for ensuring that the display screen can maintain good appearance and functions in various environments, user experience is improved, and the competitiveness of the product in the market is enhanced. The patent publication No. CN208383759U discloses an optical film scratch resistance testing device, which comprises a liquid crystal display device and a touch ring, wherein the front end of the liquid crystal display device is provided with a display screen, the display screen is embedded and arranged on the liquid crystal display device, the left upper side of the lower end of the liquid crystal display device is provided with a power switch, the power switch is electrically connected with the liquid crystal display device, the optical film scratch resistance testing device is improved in an optical science and technology means, the automation performance of the device is enhanced, the device is favorable to occupying a stable share in the market, a set power display lamp can timely reflect whether the device is in a normal running state or not, a set analyzer is arranged, the working efficiency is improved, an advanced scientific technology is provided, the heat generated in the device during working is timely discharged through a set heat dissipation port, the damage to the main body of the device due to heat generation is avoided, the use value of the device is favorable, and the device has a wide market prospect. However, the scratch-resistant test has the problem that the wiping head cannot be replaced by the device for testing scratch through the cooperation of the liquid crystal display device and the touch sensing ring assembly, so that the scratch-resistant test device for the mobile phone display screen is needed. Disclosure of utility model The utility model aims to provide a scratch-resistant testing device for a mobile phone display screen, which aims to solve the existing problems in the background technology. The utility model provides a scratch-resistant testing device for a mobile phone display screen, which comprises a bottom plate, wherein a support is fixedly connected to the top of the bottom plate, a support is arranged on the side face of the support, a fixing rod is fixedly connected to the top of the support, a testing device is arranged on the top of the support, the testing device comprises a servo motor, the side face of the servo motor is fixedly connected to the side face of the support, an output shaft of the servo motor is fixedly connected with a rotating shaft, a bevel gear I is fixedly connected to the circumferential face of the rotating shaft, a screw rod is rotatably connected to the inner wall of the support, a bevel gear II is fixedly connected to the side face of the screw rod, a connecting rod is in threaded connection with the circumferential face of the screw rod, a supporting rod is arranged on the side face of the connecting rod, a pin penetrates through the inner wall of the supporting rod in a sliding mode, a telescopic rod is fixedly connected to the bottom of the supporting rod, a pressing plate is fixedly connected to the circumferential face of the telescopic rod, and a wiping head is fixedly connected to the telescopic end of the telescopic rod. Preferably, the bottom fixedly connected with elasticity spring of clamp plate, the one end fixed connection that elasticity spring kept away from the clamp plate is at the top of wiping the head, and elasticity spring's effect is in order to drive the head that cleans through clamp plate and telescopic link and reset. Preferably, the circumference of the screw rod is fixedly conn