A test device for touch screen drop
By designing a testing device that includes a lifting frame and a baffle mechanism driven by a servo motor, the automation and safety issues of touch screen drop resistance testing were solved, achieving accurate, safe test results and adaptability.
Patent Information
- Application Number
- CN202211337111.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2022-10-28
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2042-10-28
AI Technical Summary
The lack of effective devices for testing the drop resistance of touchscreens in current technology affects the overall performance of mobile phones.
A testing device comprising multiple mechanisms was designed. Through a servo motor-driven lifting frame and baffle mechanism, an automated drop test of a touch screen is achieved. It is also equipped with protection, fixing, and correction mechanisms to ensure safe and accurate testing.
It has achieved automated testing of touchscreen drop resistance, ensuring the accuracy and safety of test results, preventing touchscreens from injuring operators when dropped, and adapting to touchscreens of different sizes to reduce the impact of offset.
Smart Images

Figure CN115752988B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to a testing device, in particular to a testing device for touch screen falling. BACKGROUND
[0002] Touch screen is a kind of inductive liquid crystal display device that can receive input signals such as contact, when the graphical button on the screen is contacted, the tactile feedback system on the screen can drive various connected devices according to the preprogrammed program, and create vivid video and audio effects through liquid crystal display screen. Touch screen is widely used in mobile phone, flat panel display, car navigation, multimedia teaching and other electronic equipment fields.
[0003] At present, smart phones are one of the most widely used fields of touch screens, but because consumers often accidentally slip from their hands or fall from the desktop when using the mobile phone, etc. Accidents, therefore, the drop resistance of the mobile phone touch screen directly affects the overall performance of the mobile phone, with the development of economy, the requirements of mobile phone consumers for the hardware and software performance of the mobile phone are getting higher and higher, therefore, the drop resistance of the mobile phone touch screen has higher requirements, and the touch screen manufacturer needs to test the drop resistance of the mobile phone touch screen, therefore, it is urgent to design a testing device for touch screen falling. SUMMARY
[0004] In order to overcome the shortcomings that consumers often accidentally slip from their hands or fall from the desktop when using the mobile phone, etc. Accidents, and the drop resistance of the mobile phone touch screen directly affects the overall performance of the mobile phone, the technical problem is to provide a testing device for touch screen falling.
[0005] The application is realized by the following technical approach: a test device for touch screen drop, comprising a base, first guide rods, a lifting frame, first elastic members, second guide rods, second elastic members, a limiting plate, a first baffle, third guide rods, third elastic members, a lifting mechanism and an opening and closing mechanism, the top of the base is connected with the first guide rods on both sides, the lifting frame is slidably arranged between the two first guide rods, the first elastic members are sleeved on the first guide rods, one end of the first elastic members is connected with the first guide rods, the other end of the first elastic members is connected with the lifting frame, the top of the lifting frame is connected with the second guide rods on both sides, the limiting plate is slidably arranged between the two second guide rods on both sides, the second elastic members are sleeved on the second guide rods, one end of the second elastic members is connected with the limiting plate, the other end of the second elastic members is connected with the second guide rods, the bottom of the lifting frame is connected with the third guide rods on both sides, the first baffle is slidably arranged on the third guide rods, the first baffle is in contact with the limiting plate, the third elastic members are sleeved on the third guide rods, one end of the third elastic members is connected with the first baffle, the other end of the third elastic members is connected with the third guide rods, the rear side of the top of the base is provided with the lifting mechanism, the lifting mechanism is used for adjusting the height of the lifting frame, the lifting frame is provided with the opening and closing mechanism, the opening and closing mechanism is used for opening and closing the first baffle.
[0006] Further, the lifting mechanism comprises a first servo motor, a screw rod, a fixing frame and a first connecting plate, the rear side of the top of the base is provided with the fixing frame, the first servo motor is arranged in the fixing frame, the output shaft of the first servo motor is connected with the screw rod through a shaft coupling, the first connecting plate is threadedly arranged on the screw rod, and the first connecting plate is connected with the lifting frame.
[0007] Further, the opening and closing mechanism comprises a second servo motor, a gear, a rack and a connecting rod, the rear side of the lifting frame is provided with the second servo motor, the output shaft of the second servo motor is connected with the connecting rod through a shaft coupling, the gear is keyed connected on the connecting rod, the rear side of the first baffle is connected with the rack, and the rack is in mesh with the gear.
[0008] Further, it further comprises a protection mechanism for shielding the touch screen pull rope, the protection mechanism comprises a shielding plate, fourth guide rods and fourth elastic members, the top of the base is connected with the fourth guide rods on both sides, the shielding plate is slidably arranged between the two fourth guide rods, the fourth elastic members are sleeved on the fourth guide rods, one end of the fourth elastic members is connected with the shielding plate, and the other end of the fourth elastic members is connected with the fourth guide rods.
[0009] Further, it further comprises a trigger mechanism for triggering the shielding plate to move, the trigger mechanism comprises a support frame, a telescopic rod, a guide rail, a pressing rod, a contact rod and a connecting frame, the support frame is connected on both sides of the base, the guide rail is connected on the front side of the support frame, the telescopic rod is slidably arranged in the guide rail, the pressing rod is connected to the bottom end of the telescopic rod, the contact rod is connected on both sides of the shielding plate, the pressing rod is in contact with the contact rod, the connecting frame is connected to the telescopic end of the telescopic rod, and the connecting frame is connected with the first baffle.
[0010] Further, the fixing mechanism for fixing the limiting plate is further included, the fixing mechanism includes a second connecting plate, a clamping rod and a fifth elastic element, the second connecting plate is connected to the left and right sides of the limiting plate, the clamping rod is slidably arranged in the second connecting plate, a plurality of clamping grooves are formed in the left and right sides of the top of the lifting frame, the clamping rod can be clamped into the clamping groove, the fifth elastic element is sleeved on the clamping rod, one end of the fifth elastic element is connected with the clamping rod, and the other end of the fifth elastic element is connected with the second connecting plate.
[0011] Further, the correction mechanism for correcting the position of the touch screen is further included, the correction mechanism includes a fifth guide rod, a correction plate and a sixth elastic element, the fifth guide rod is symmetrically connected to the left and right sides of the lifting frame, the correction plate is slidably arranged between the two lifting frames on the left side and the two lifting frames on the right side, the sixth elastic element is sleeved on the fifth guide rod, one end of the sixth elastic element is connected with the correction plate, and the other end of the sixth elastic element is connected with the fifth guide rod.
[0012] Further, the second baffle is further included, and the second baffle is connected to the front side of the top of the base.
[0013] It can be known from the above description of the structure of the present application that the design starting point, concept and advantages of the present application are: 1. By starting the second servo motor, the rack drives the first baffle to move outward, the first baffle no longer supports the touch screen, and the touch screen falls downward to the base, so as to test the drop resistance of the touch screen.
[0014] 2. By extruding the connecting frame and the telescopic rod outward by the first baffle, the extruding rod is separated from the contact rod, the fourth elastic element drives the shielding plate to move upward, so as to prevent the touch screen from falling outward when falling downward to the base, thereby injuring the worker.
[0015] 3. By pulling the limiting plate outward by the worker, the second elastic element is extruded to deform, thereby adjusting the distance between the two limiting plates, so as to facilitate the worker to put in touch screens of different sizes.
[0016] 4. By releasing the clamping rod by the worker, the fifth elastic element drives the clamping rod to clamp into the corresponding clamping groove downward, the clamping rod fixes the limiting plate, and prevents the limiting plate from moving randomly.
[0017] 5. By the sixth elastic element driving the correction plate to reset inward, the correction plate corrects the position of the touch screen inward, thereby preventing the touch screen from deviating and affecting the test result. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is a three-dimensional structure schematic diagram of the present application.
[0019] Figure 2 It is a first partial three-dimensional structure schematic diagram of the present application.
[0020] Figure 3 Second part of the three-dimensional structure of the present application.
[0021] Figure 4 The three-dimensional structure of the lifting mechanism of the present application.
[0022] Figure 5 The first three-dimensional structure of the opening and closing mechanism of the present application.
[0023] Figure 6 The second three-dimensional structure of the opening and closing mechanism of the present application.
[0024] Figure 7 The first three-dimensional structure of the protection mechanism of the present application.
[0025] Figure 8 The second three-dimensional structure of the protection mechanism of the present application.
[0026] Figure 9 The three-dimensional structure of the fixing mechanism of the present application.
[0027] Figure 10 The three-dimensional structure of the fixing mechanism of the present application.
[0028] Figure 11 The three-dimensional structure of the triggering mechanism of the present application.
[0029] Figure 12 The three-dimensional structure of the triggering mechanism of the present application.
[0030] Figure 13 The first three-dimensional structure of the correction mechanism of the present application.
[0031] Figure 14 The second three-dimensional structure of the correction mechanism of the present application.
[0032] Part names and serial numbers in the figure: 1_base, 3_first guide rod, 4_lifting frame, 5_first elastic member, 6_second guide rod, 7_second elastic member, 8_limiting plate, 9_first baffle, 10_third guide rod, 11_third elastic member, 12_lifting mechanism, 1201_first servo motor, 1202_screw rod, 1203_fixed frame, 1204_first connecting plate, 13_opening and closing mechanism, 1301_second servo motor, 1302_gear, 1303_rack, 1304_connecting rod, 14_protection mechanism, 1401_second baffle, 1402_shielding plate, 1403_fourth guide rod, 1404_fourth elastic member, 15_fixing mechanism, 1501_second connecting plate, 1502_clamping rod, 1503_fifth elastic member, 1504_clamping groove, 16_triggering mechanism, 1601_support frame, 1602_extension rod, 1603_guide rail, 1604_squeezing rod, 1605_contacting rod, 1606_connecting frame, 17_correcting mechanism, 1701_fifth guide rod, 1702_correcting plate, 1703_sixth elastic member. DETAILED DESCRIPTION
[0033] The technical solutions of the present application will be further described below with reference to the drawings.
[0034] Example 1
[0035] Reference Figures 1-6 A test device for touch screen drop, comprising a base 1, a first guide rod 3, a lifting frame 4, a first elastic member 5, a second guide rod 6, a second elastic member 7, a limiting plate 8, a first baffle 9, a third guide rod 10, a third elastic member 11, a lifting mechanism 12 and an opening and closing mechanism 13, the top of the base 1 is connected with the first guide rod 3 on both sides, the lifting frame 4 is slidingly arranged between the two first guide rods 3, the first elastic member 5 is sleeved on the first guide rod 3, one end of the first elastic member 5 is connected with the first guide rod 3, the other end of the first elastic member 5 is connected with the lifting frame 4, the top of the lifting frame 4 is connected with the second guide rod 6 on both sides, the limiting plate 8 is slidingly arranged between the two second guide rods 6 on both sides, the second elastic member 7 is sleeved on the second guide rod 6, one end of the second elastic member 7 is connected with the limiting plate 8, the other end of the second elastic member 7 is connected with the second guide rod 6, the bottom of the lifting frame 4 is connected with the third guide rod 10 on both sides, the first baffle 9 is slidingly arranged on the third guide rod 10, the first baffle 9 is in contact with the limiting plate 8, the third elastic member 11 is sleeved on the third guide rod 10, one end of the third elastic member 11 is connected with the first baffle 9, the other end of the third elastic member 11 is connected with the third guide rod 10, the top of the base 1 is provided with the lifting mechanism 12 on the rear side, the lifting mechanism 12 is used for adjusting the height of the lifting frame 4, the lifting frame 4 is provided with the opening and closing mechanism 13, the opening and closing mechanism 13 is used for opening and closing the first baffle 9.
[0036] Referring to Figure 1 and Figure 4 , the lifting mechanism 12 comprises a first servo motor 1201, a screw rod 1202, a fixed frame 1203 and a first connecting plate 1204, the fixed frame 1203 is arranged on the top rear side of the base 1, the first servo motor 1201 is arranged in the fixed frame 1203, the output shaft of the first servo motor 1201 is connected with the screw rod 1202 through a shaft coupling, the first connecting plate 1204 is threadedly arranged on the screw rod 1202, and the first connecting plate 1204 is connected with the lifting frame 4.
[0037] Referring to Figure 1 , Figure 5 and Figure 6 , the opening and closing mechanism 13 comprises a second servo motor 1301, a gear 1302, a rack 1303 and a connecting rod 1304, the second servo motor 1301 is arranged on the rear side of the lifting frame 4, the output shaft of the second servo motor 1301 is connected with the connecting rod 1304 through a shaft coupling, the gear 1302 is keyed on the connecting rod 1304, the rack 1303 is connected on the rear side of the first baffle 9, and the rack 1303 is engaged with the gear 1302.
[0038] When the staff needs the device, the staff places the touch screen on the first baffle 9, the staff starts the first servo motor 1201, the first servo motor 1201 rotates to drive the screw rod 1202 to rotate, the screw rod 1202 drives the lifting frame 4 to move up and down through the first connecting plate 1204, the first elastic member 5 is deformed, thereby adjusting the height of the lifting frame 4, when the lifting frame 4 moves to the appropriate position, the staff closes the first servo motor 1201, then the staff starts the second servo motor 1301, the second servo motor 1301 drives the gear 1302 to rotate through the connecting rod 1304, the gear 1302 drives the first baffle 9 to move outward through the rack 1303, the third elastic member 11 is deformed, the first baffle 9 no longer supports the touch screen, and the touch screen falls downward to the base 1, so as to test the falling resistance of the touch screen, while the staff controls the second servo motor 1301 to rotate reversely, the gear 1302 drives the first baffle 9 to reset inward through the rack 1303, thereby facilitating the next use, after the test is completed, the staff closes the second servo motor 1301.
[0039] Embodiment 2
[0040] On the basis of embodiment 1, referring to Figure 1 , Figure 7 and Figure 8The protection mechanism 14 for shielding the touch screen further comprises a shielding plate 1402, a fourth guide rod 1403 and a fourth elastic member 1404, the fourth guide rod 1403 is connected to the top of the base 1, the shielding plate 1402 is slidably arranged between the two fourth guide rods 1403, the fourth elastic member 1404 is sleeved on the fourth guide rod 1403, one end of the fourth elastic member 1404 is connected to the shielding plate 1402, and the other end of the fourth elastic member 1404 is connected to the fourth guide rod 1403.
[0041] Referring to Figure 1 , Figure 11 and Figure 12 The trigger mechanism 16 for triggering the shielding plate 1402 to move further comprises a support frame 1601, a telescopic rod 1602, a guide rail 1603, a pressing rod 1604, a contact rod 1605 and a connecting frame 1606, the support frame 1601 is connected to the left and right sides of the base 1, the guide rail 1603 is connected to the front side of the support frame 1601, the telescopic rod 1602 is slidably arranged in the guide rail 1603, the pressing rod 1604 is connected to the bottom end of the telescopic rod 1602, the contact rod 1605 is connected to the left and right sides of the shielding plate 1402, the pressing rod 1604 is in contact with the contact rod 1605, the connecting frame 1606 is connected to the telescopic end of the telescopic rod 1602, and the connecting frame 1606 is connected to the first baffle 9.
[0042] The second baffle 1401 is further arranged, the second baffle 1401 is connected to the top front side of the base 1, and the second baffle 1401 can prevent the touch screen from falling outwards.
[0043] When the lifting frame 4 moves up and down, the telescopic end of the telescopic rod 1602 is driven by the connecting frame 1606 to elongate and shorten, when the first baffle 9 moves outward, the first baffle 9 outwardly presses the connecting frame 1606, the connecting frame 1606 drives the telescopic rod 1602 to move outward in the guide rail 1603, the pressing rod 1604 is out of contact with the contact rod 1605, and the fourth elastic member 1404 drives the shielding plate 1402 to move upward in the fourth guide rod 1403, so as to prevent the touch screen from falling outwards when falling downward to the base 1, thereby injuring the staff, when the first baffle 9 resets inwardly, the connecting frame 1606 resets inwardly driven by the third elastic member 11, the pressing rod 1604 inwardly presses the contact rod 1605 driven by the telescopic rod 1602, the contact rod 1605 drives the shielding plate 1402 to reset downward in the fourth guide rod 1403, and the fourth elastic member 1404 is deformed by being pressed.
[0044] Referring to Figure 1 , Figure 9 and Figure 10Further comprising a fixing mechanism 15 for fixing the limiting plates 8, the fixing mechanism 15 comprises a second connecting plate 1501, a clamping rod 1502 and a fifth elastic member 1503, the second connecting plate 1501 is connected to the left and right sides of each limiting plate 8, the clamping rod 1502 is slidingly arranged in the second connecting plate 1501, a plurality of clamping grooves 1504 are formed in the top of each lifting frame 4, the clamping rod 1502 can be clamped into the clamping grooves 1504, the fifth elastic member 1503 is sleeved on the clamping rod 1502, one end of the fifth elastic member 1503 is connected to the clamping rod 1502, and the other end of the fifth elastic member 1503 is connected to the second connecting plate 1501.
[0045] Referring to Figure 1 , Figure 13 and Figure 14 Further comprising a correcting mechanism 17 for correcting the position of the touch screen, the correcting mechanism 17 comprises a fifth guide rod 1701, a correcting plate 1702 and a sixth elastic member 1703, the fifth guide rod 1701 is symmetrically connected to the front and back of each lifting frame 4, the correcting plate 1702 is slidingly arranged between the left two lifting frames 4 and between the right two lifting frames 4, the sixth elastic member 1703 is sleeved on the fifth guide rod 1701, one end of the sixth elastic member 1703 is connected to the correcting plate 1702, and the other end of the sixth elastic member 1703 is connected to the fifth guide rod 1701.
[0046] The staff pulls the clamping rod 1502 upwards, the clamping rod 1502 is separated from the clamping groove 1504, the fifth elastic member 1503 is extruded to deform, the staff pulls the limiting plate 8 outward, the second elastic member 7 is extruded to deform, thereby adjusting the distance between the two limiting plates 8, facilitating the staff to put the touch screen of different sizes, when the limiting plate 8 moves to the appropriate position, the staff releases the clamping rod 1502, the fifth elastic member 1503 drives the clamping rod 1502 to downwardly clamp into the corresponding clamping groove 1504, the clamping rod 1502 fixes the limiting plate 8 to prevent the limiting plate 8 from moving at will, then the staff places the touch screen on the first baffle 9, the touch screen extrudes the correcting plate 1702 to move outward, the sixth elastic member 1703 is extruded to deform, after being placed, the sixth elastic member 1703 drives the correcting plate 1702 to reset inward, the correcting plate 1702 corrects the position of the touch screen inward, thereby preventing the touch screen from deviating and affecting the test result.
[0047] It should be understood that the above description is only for exemplary purposes and does not mean to limit the present application. Those skilled in the art will understand that the variations of the present application will be included in the scope of the claims herein.
Claims
1. A test device for touch screen drop, comprising a base (1), a first guide rod (3), a lifting frame (4), a first elastic member (5), a second guide rod (6), a second elastic member (7), a limiting plate (8), a first baffle (9), a third guide rod (10) and a third elastic member (11), the top of the base (1) is connected with the first guide rod (3) on both sides, the lifting frame (4) is slidably arranged between the two first guide rods (3), the first elastic member (5) is sleeved on the first guide rod (3), one end of the first elastic member (5) is connected with the first guide rod (3), the other end of the first elastic member (5) is connected with the lifting frame (4), the top of the lifting frame (4) is connected with the second guide rod (6) on both sides, the limiting plate (8) is slidably arranged between the two second guide rods (6) on both sides, the second elastic member (7) is sleeved on the second guide rod (6), one end of the second elastic member (7) is connected with the limiting plate (8), the other end of the second elastic member (7) is connected with the second guide rod (6), the bottom of the lifting frame (4) is connected with the third guide rod (10) on both sides, the first baffle (9) is slidably arranged on the third guide rod (10), the first baffle (9) is in contact with the limiting plate (8), the third elastic member (11) is sleeved on the third guide rod (10), one end of the third elastic member (11) is connected with the first baffle (9), the other end of the third elastic member (11) is connected with the third guide rod (10), characterized in that, The lifting mechanism (12) and the opening and closing mechanism (13) are further included, the lifting mechanism (12) is arranged at the top rear side of the base (1) and is used for adjusting the height of the lifting frame (4), the opening and closing mechanism (13) is arranged on the lifting frame (4) and is used for opening and closing the first baffle (9).
2. The test device for drop testing of a touch screen according to claim 1, wherein, The lifting mechanism (12) includes a first servo motor (1201), a screw rod (1202), a fixing frame (1203) and a first connecting plate (1204), the fixing frame (1203) is arranged at the top rear side of the base (1), the first servo motor (1201) is arranged in the fixing frame (1203), the output shaft of the first servo motor (1201) is connected with the screw rod (1202) through a shaft coupling, the first connecting plate (1204) is threadedly arranged on the screw rod (1202), and the first connecting plate (1204) is connected with the lifting frame (4).
3. The test device for drop testing of a touch screen of claim 2, wherein, The opening and closing mechanism (13) includes a second servo motor (1301), a gear (1302), a rack (1303) and a connecting rod (1304), the second servo motor (1301) is arranged at the rear side of the lifting frame (4), the output shaft of the second servo motor (1301) is connected with the connecting rod (1304) through a shaft coupling, the gear (1302) is journally connected to the connecting rod (1304), the rack (1303) is connected to the rear side of the first baffle (9), and the rack (1303) is engaged with the gear (1302).
4. The test device for drop testing of a touch screen of claim 3, wherein, The protection mechanism (14) for shielding the touch screen is further included, the protection mechanism (14) includes a shielding plate (1402), a fourth guide rod (1403) and a fourth elastic element (1404), the fourth guide rod (1403) is connected to the top left side and the top right side of the base (1), the shielding plate (1402) is slidingly arranged between the two fourth guide rods (1403), the fourth elastic element (1404) is sleeved on the fourth guide rod (1403), one end of the fourth elastic element (1404) is connected with the shielding plate (1402), and the other end of the fourth elastic element (1404) is connected with the fourth guide rod (1403).
5. The test device for drop testing of a touch screen of claim 4, wherein, The trigger mechanism (16) for triggering the shielding plate (1402) to move is further included, the trigger mechanism (16) includes a support frame (1601), a telescopic rod (1602), a guide rail (1603), a pressing rod (1604), a contact rod (1605) and a connecting frame (1606), the support frame (1601) is connected to the left side and the right side of the base (1), the guide rail (1603) is connected to the front side of the support frame (1601), the telescopic rod (1602) is slidingly arranged in the guide rail (1603), the pressing rod (1604) is connected to the bottom end of the telescopic rod (1602), the contact rod (1605) is connected to the left side and the right side of the shielding plate (1402), the pressing rod (1604) is in contact with the contact rod (1605), the telescopic end of the telescopic rod (1602) is connected with the connecting frame (1606), and the connecting frame (1606) is connected with the first baffle (9).
6. The test device for drop testing of a touch screen of claim 5, wherein, The fixing mechanism (15) for fixing the limiting plate (8) comprises a second connecting plate (1501), a clamping rod (1502) and a fifth elastic member (1503), the left and right sides of the limiting plate (8) are connected with the second connecting plates (1501), the clamping rods (1502) are slidably arranged in the second connecting plates (1501), a plurality of clamping grooves (1504) are formed in the left and right sides of the top of the lifting frame (4), the clamping rods (1502) can be clamped into the clamping grooves (1504), the fifth elastic member (1503) is sleeved on the clamping rod (1502), one end of the fifth elastic member (1503) is connected with the clamping rod (1502), and the other end of the fifth elastic member (1503) is connected with the second connecting plate (1501).
7. The test device for drop testing of a touch screen of claim 6, wherein, The correcting mechanism (17) for correcting the position of the touch screen comprises a fifth guide rod (1701), a correcting plate (1702) and a sixth elastic member (1703), the left and right sides of the lifting frame (4) are symmetrically connected with the fifth guide rods (1701) in front and back, the correcting plates (1702) are slidably arranged between the two lifting frames (4) on the left and between the two lifting frames (4) on the right, the sixth elastic member (1703) is sleeved on the fifth guide rod (1701), one end of the sixth elastic member (1703) is connected with the correcting plate (1702), and the other end of the sixth elastic member (1703) is connected with the fifth guide rod (1701).
8. The test device for drop testing of a touch screen of claim 7, wherein, The second baffle (1401) is further arranged, and the top front side of the base (1) is connected with the second baffle (1401).
Citation Information
Patent Citations
Drop test device for cellphone touch screen
CN106768776A
Drop test device of touch screen for mobile phone production assembly
CN109060289A