Touch screen anti-pressure capability testing device

Abstract

The invention discloses a touch screen anti-pressure capability testing device, and belongs to the technical field of screen testing, the touch screen anti-pressure capability testing device comprises a main body device, the main body device is used for supporting a touch screen, the main body device is provided with a pressure device and an inner supporting device, the pressure device is used for applying pressure to the touch screen, and the inner supporting device is used for providing supporting force for the touch screen. The main body device can switch corner supporting modes of the touch screen, namely a diagonal two-point supporting mode and an edge four-point supporting mode, and center supporting can be carried out on the display screen through the inner supporting device, so that three different forms of anti-pressure ability tests can be carried out on the touch screen; after the internal thread frame moves twice, the blocking frame reaches the position below the pressure block, after the internal thread frame moves three times, the pressure block pops up after force is stored, and an impact compression resistance test of a middle support can be carried out on the touch screen.

Description

Technical Field

[0001] The invention relates to the technical field of screen testing, and in particular to a device for testing the pressure resistance of a touch screen. Background Art

[0002] A touch screen, also known as a touch screen or touch panel, is an inductive liquid crystal display device that can accept input signals such as contacts. When a user touches the screen, the feedback system on the screen can be driven according to pre-programming. It has been widely used in mobile phones, tablet computers, retail, public information inquiries and other fields. A touch screen needs to have some characteristics, including transparency, reflectivity, positioning function and durability. Durability plays a decisive role in the life of the screen. The durability of the screen can be tested by performing a pressure test on the touch screen. The pressure test device for the touch screen in the prior art usually requires manual positioning, and the test method is single, which cannot meet the actual needs of touch screen testing, and it is also impossible to perform automatic multi-mode testing. Summary of the invention

[0003] In view of the above technical problems, the technical solution adopted by the present invention is: a touch screen pressure resistance test device, including a main device, the main device includes a frame, the main device is used to support the touch screen, the main device is provided with a pressure device and an internal support device, the pressure device includes three side spring frames, the side spring frames are fixedly installed on the frame, the pressure device is used to apply pressure to the touch screen, the internal support device includes a central support plate, the central support plate is slidably installed on the frame, and the internal support device is used to provide support force for the touch screen.

[0004] Furthermore, the main device includes a motor arranged next to the frame, an output toothless gear is fixedly installed on the motor shaft of the motor, an internal toothless gear is rotatably installed on the frame, an external gear is fixedly installed on the internal toothless gear, and the external gear is meshed with the output toothless gear.

[0005] Furthermore, two fixed support rods are fixedly installed on the frame, and two lifting support rods are slidably installed on the frame. The two fixed support rods and the lifting support rod are respectively arranged diagonally. The fixed support rods and the lifting support rods are both provided with support blocks for supporting the touch screen. When in use, the touch screen is placed on the support blocks.

[0006] Furthermore, a camshaft is rotatably mounted at the bottom of the frame, two cams and an internal gear are fixedly mounted on the camshaft, a lifting frame is fixedly mounted below the two lifting support rods, the lifting frame cooperates with the cam, and the internal gear meshes with the internal toothless gear.

[0007] When the lifting support rod is not raised, the touch screen is supported by two fixed support rods, and the touch screen is supported at two diagonal points. The rotation of the motor drives the output toothless gear to rotate, and the rotation of the output toothless gear drives the outer gear to rotate intermittently, thereby driving the inner toothless gear to rotate intermittently, and the inner toothless gear drives the inner gear to rotate intermittently, thereby driving the camshaft and the cam to rotate. The rotation of the cam drives the lifting frame to rise, thereby driving the lifting support rod to rise. At this time, the support blocks of the lifting support rod and the fixed support rod are at the same height, and the touch screen is supported by two lifting support rods and two fixed support rods at the same time. At this time, the touch screen is supported by four points on the outside.

[0008] Each time the output toothless gear rotates, the outer gear and the inner toothless gear rotate half a circle, and each time the inner toothless gear drives the inner gear to rotate half a circle.

[0009] Furthermore, the pressure device includes a lower pressure frame slidably mounted on the side spring frame, three return springs are arranged between the lower pressure frame and the side spring frame, an eccentric rotating rod is rotatably mounted on the lower pressure frame, and the eccentric rotating rod is eccentrically rotatably mounted with the external gear.

[0010] Furthermore, a pressure block is slidably mounted on the lower pressure frame, a pop-up head is fixedly mounted on the pressure block, and four pop-up springs are arranged between the pressure block and the lower pressure frame.

[0011] Furthermore, an upper rotating rod is rotatably mounted on the pressure block, a sliding block is rotatably mounted on the upper rotating rod, and the sliding block is slidably mounted on the lower pressure frame.

[0012] The rotation of the outer gear drives the eccentric rotating rod to rotate, thereby driving the lower pressure frame to descend. The output toothless gear drives the outer gear to rotate half a circle each time. When the pop-up head contacts the touch screen, the lower pressure frame continues to descend, so that the pop-up spring is compressed, and the lower pressure frame and the pressure block slide relative to each other to perform a pressure test on the touch screen. When the outer gear is disengaged from the output toothless gear, the reset spring rebounds, driving the outer gear and the inner toothless gear to continue to rotate, so that the lower pressure frame and the pop-up head are reset.

[0013] Furthermore, the internal support device includes an upper transmission gear rotatably mounted on the frame body, the upper transmission gear meshes with the external gear, a sliding shaft and a bidirectional screw are rotatably mounted on the frame body, an intermediate gear is fixedly mounted on the sliding shaft, a sliding toothless gear is slidably mounted on the sliding shaft, a slip ring is fixedly mounted on the sliding toothless gear, a lower gear is fixedly mounted on the bidirectional screw rod, the intermediate gear meshes with the upper transmission gear, the intermediate gear meshes with the lower gear, and a lower sliding rod is fixedly mounted on the frame body.

[0014] Furthermore, an internal thread frame is slidably installed on the lower sliding rod, and an internal thread frame is provided on the internal thread frame. The internal thread frame and the bidirectional screw rod form a threaded match. Two blocking frames are fixedly installed on the internal thread frame, and the slip ring is rotatably installed with the internal thread frame. A lifting frame is fixedly installed under the center support plate, and a transverse groove is provided on the lifting frame. A docking gear is rotatably installed on the frame body, and a sliding column is eccentrically provided on the docking gear, and the sliding column slides in the transverse groove of the lifting frame.

[0015] The rotation of the outer gear drives the upper transmission gear to rotate, thereby driving the middle gear and the lower gear to rotate. The rotation of the middle gear drives the sliding shaft, the sliding toothless gear and the slip ring to rotate. The lower gear drives the two-way screw to rotate, thereby driving the internal thread frame to slide along the lower slide rod. The internal thread frame drives the slip ring and the sliding toothless gear to slide along the sliding shaft, realizing that the sliding toothless gear rotates while sliding toward the middle gear. The internal thread frame advances one-third of the stroke each time. When the internal thread frame advances two-thirds of the stroke, the blocking frame arrives under the pressure block. After the internal thread frame advances three times, the sliding toothless gear meshes with the docking gear, and the sliding toothless gear drives the docking gear and the sliding column to rotate, thereby driving the lifting frame and the center support plate to rise. The center support plate supports the touch screen, so that the center support plate supports the bottom center of the touch screen, and at this time the blocking frame leaves the bottom of the pressure block, and the pressure block pops out to perform an impact and pressure test on the touch screen.

[0016] Compared with the prior art, the present invention has the following beneficial effects: (1) the main device provided in the present invention can switch the corner support mode of the touch screen, namely, a diagonal two-point support mode and an edge four-point support mode, and can also provide central support for the display screen through the internal support device, so that the touch screen can be subjected to three different forms of pressure resistance tests; (2) after the internal thread frame provided in the present invention moves twice, the blocking frame reaches the bottom of the pressure block, and after the internal thread frame moves three times, the pressure block pops out after accumulating force, so that the touch screen can be subjected to an impact pressure resistance test of the middle support; (3) when the output toothless gear provided in the present invention rotates the first circle, the touch screen is subjected to a pressure resistance test of the diagonal two-point support through the pop-up head, and when it rotates the second circle, the touch screen is subjected to a pressure resistance test of the diagonal four-point support through the pop-up head, the blocking frame reaches the bottom of the pressure block, and when it rotates the third circle, the central support plate holds the bottom center of the touch screen, the blocking frame leaves the bottom of the pressure block, and the pressure block and the pop-up head pop out to perform the impact pressure resistance test of the center support on the touch screen, with a high degree of automation. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0018] Figure 2 The main device structure of the present invention is shown in FIG. Figure 1 .

[0019] Figure 3The main device structure of the present invention is shown in FIG. Figure 2 .

[0020] Figure 4 The main device structure of the present invention is shown in FIG. Figure 3 .

[0021] Figure 5 The structure of the pressure device of the present invention is shown in FIG. Figure 1 .

[0022] Figure 6 The structure of the pressure device of the present invention is shown in FIG. Figure 2 .

[0023] Figure 7 The structure of the inner support device of the present invention is shown in FIG. Figure 1 .

[0024] Figure 8 The structure of the inner support device of the present invention is shown in FIG. Figure 2 .

[0025] Fig. 9 The structure of the inner support device of the present invention is shown in FIG. Figure 3 .

[0026] Reference numerals: 101-frame; 102-motor; 103-external gear; 104-internal gear with missing teeth; 105-fixed support rod; 106-lifting support rod; 107-internal gear; 108-camshaft; 109-cam; 110-lifting frame; 111-output gear with missing teeth; 201-side spring frame; 202-reset spring; 203-lower pressure frame; 204-upper rotation rod; 205-slider; 206-pressure block; 2 07-pop-up spring; 208-pop-up head; 209-eccentric rotating rod; 301-center support plate; 302-upper transmission gear; 303-middle gear; 304-lower gear; 305-sliding shaft; 306-lower sliding rod; 307-bidirectional screw rod; 308-sliding toothless gear; 309-slip ring; 310-internal thread frame; 311-blocking frame; 312-lifting frame; 313-docking gear; 314-sliding column; 4-touch screen. DETAILED DESCRIPTION

[0027] The specific implementation of the present invention will be further described below in conjunction with the accompanying drawings.

[0028] Example: Reference Figure 1-Figure 9A touch screen pressure resistance testing device includes a main device, the main device includes a frame 101, the main device is used to support the touch screen 4, the main device is provided with a pressure device and an internal support device, the pressure device includes three side spring frames 201, the side spring frames 201 are fixedly installed on the frame 101, the pressure device is used to apply pressure to the touch screen 4, the internal support device includes a central support plate 301, the central support plate 301 is slidably installed on the frame 101, and the internal support device is used to provide support force to the touch screen 4.

[0029] like Figure 2-Figure 4 As shown, the main device includes a motor 102 arranged next to the frame 101, an output toothless gear 111 is fixedly installed on the motor shaft of the motor 102, an inner toothless gear 104 is rotatably installed on the frame 101, an outer gear 103 is fixedly installed on the inner toothless gear 104, and the outer gear 103 is meshed with the output toothless gear 111.

[0030] like Figure 2-Figure 4 As shown, two fixed support rods 105 are fixedly installed on the frame 101, and two lifting support rods 106 are slidably installed on the frame 101. The two fixed support rods 105 and the lifting support rods 106 are respectively arranged diagonally. The fixed support rods 105 and the lifting support rods 106 are both provided with support blocks for supporting the touch screen 4. When in use, the touch screen 4 is placed on the support blocks.

[0031] like Figure 2-Figure 4 As shown, a camshaft 108 is rotatably installed at the bottom of the frame 101, two cams 109 and an internal gear 107 are fixedly installed on the camshaft 108, and a lifting frame 110 is fixedly installed under the two lifting support rods 106. The lifting frame 110 cooperates with the cam 109, and the internal gear 107 meshes with the internal toothless gear 104.

[0032] When the lifting support rod 106 is not raised, the touch screen 4 is supported by the two fixed support rods 105. The touch screen 4 is supported at two diagonal points. The rotation of the motor 102 drives the output toothless gear 111 to rotate. The rotation of the output toothless gear 111 drives the outer gear 103 to rotate intermittently, thereby driving the inner toothless gear 104 to rotate intermittently. The inner toothless gear 104 drives the inner gear 107 to rotate intermittently, thereby driving the camshaft 108 and the cam 109 to rotate. The rotation of the cam 109 drives the lifting frame 110 to rise, thereby driving the lifting support rod 106 to rise. At this time, the support blocks of the lifting support rod 106 and the fixed support rod 105 are at the same height. The touch screen 4 is supported by two lifting support rods 106 and two fixed support rods 105 at the same time. At this time, the touch screen 4 is supported at four points on the outside.

[0033] The output toothless gear 111 rotates the outer gear 103 and the inner toothless gear 104 half a circle each time, and the inner toothless gear 104 drives the inner gear 107 to rotate half a circle each time.

[0034] like Figure 5 , Figure 6 As shown, the pressure device includes a lower pressure frame 203 slidably mounted on the side spring frame 201, three return springs 202 are arranged between the lower pressure frame 203 and the side spring frame 201, an eccentric rotating rod 209 is rotatably mounted on the lower pressure frame 203, and the eccentric rotating rod 209 is eccentrically rotatably mounted with the outer gear 103.

[0035] like Figure 5 , Figure 6 As shown, a pressure block 206 is slidably mounted on the lower pressure frame 203 , a pop-up head 208 is fixedly mounted on the pressure block 206 , and four pop-up springs 207 are arranged between the pressure block 206 and the lower pressure frame 203 .

[0036] like Figure 5 , Figure 6 As shown, an upper rotating rod 204 is rotatably mounted on the pressure block 206 , a sliding block 205 is rotatably mounted on the upper rotating rod 204 , and the sliding block 205 is slidably mounted with the lower pressure frame 203 .

[0037] The rotation of the outer gear 103 drives the eccentric rotating rod 209 to rotate, thereby driving the lower pressure frame 203 to descend, the reset spring 202 is compressed, and the output toothless gear 111 drives the outer gear 103 to rotate half a circle each time. When the pop-up head 208 contacts the touch screen 4, the lower pressure frame 203 continues to descend, so that the pop-up spring 207 is compressed, and the lower pressure frame 203 and the pressure block 206 slide relative to each other, and the touch screen 4 is pressure tested. When the outer gear 103 is disengaged from the output toothless gear 111, the reset spring 202 rebounds, driving the outer gear 103 and the inner toothless gear 104 to continue to rotate half a circle, so that the lower pressure frame 203 and the pop-up head 208 are reset.

[0038] like Figure 7-Figure 9 As shown, the internal support device includes an upper transfer gear 302 rotatably mounted on the frame body 101, the upper transfer gear 302 is meshed with the outer gear 103, a sliding shaft 305 and a bidirectional screw 307 are rotatably mounted on the frame body 101, an intermediate gear 303 is fixedly mounted on the sliding shaft 305, a sliding toothless gear 308 is slidably mounted on the sliding shaft 305, a slip ring 309 is fixedly mounted on the sliding toothless gear 308, a lower gear 304 is fixedly mounted on the bidirectional screw 307, the intermediate gear 303 is meshed with the upper transfer gear 302, the intermediate gear 303 is meshed with the lower gear 304, and a lower sliding rod 306 is fixedly mounted on the frame body 101.

[0039] like Figure 7-Figure 9As shown, an internal thread frame 310 is slidably installed on the lower sliding rod 306, and an internal thread is set on the internal thread frame 310. The internal thread frame 310 and the two-way screw rod 307 form a threaded match. Two blocking frames 311 are fixedly installed on the internal thread frame 310, and the slip ring 309 is rotatably installed with the internal thread frame 310. A lifting frame 312 is fixedly installed below the center support plate 301, and a transverse groove is set on the lifting frame 312. A docking gear 313 is rotatably installed on the frame body 101, and a sliding column 314 is eccentrically set on the docking gear 313. The sliding column 314 slides in the transverse groove of the lifting frame 312.

[0040] The rotation of the outer gear 103 drives the upper transmission gear 302 to rotate, thereby driving the intermediate gear 303 and the lower gear 304 to rotate. The rotation of the intermediate gear 303 drives the sliding shaft 305, the sliding toothless gear 308 and the slip ring 309 to rotate. The lower gear 304 drives the two-way screw rod 307 to rotate, thereby driving the internal threaded frame 310 to slide along the lower slide rod 306. The internal threaded frame 310 drives the slip ring 309 and the sliding toothless gear 308 to slide along the sliding shaft 305, so that the sliding toothless gear 308 rotates and slides toward the intermediate gear 303. The internal threaded frame 310 moves forward one-third of the stroke each time. When the internal thread frame 310 advances two-thirds of the stroke, the blocking frame 311 arrives under the pressure block 206. After the internal thread frame 310 advances three times, the sliding toothless gear 308 engages with the docking gear 313, and the sliding toothless gear 308 drives the docking gear 313 and the sliding column 314 to rotate, thereby driving the lifting frame 312 and the center support plate 301 to rise, and the center support plate 301 supports the touch screen 4, so that the center support plate 301 supports the bottom center of the touch screen 4, and at this time the blocking frame 311 leaves the bottom of the pressure block 206, and the pressure block 206 pops out, and the touch screen is subjected to an impact and pressure resistance test.

[0041] When the output toothless gear 111 rotates the first circle, it first drives the outer gear 103 and the inner toothless gear 104 to rotate half a circle. In the first half circle, the inner toothless gear 104 will not drive the inner gear 107 to rotate. At this time, the pop-up head 208 is used to test the compressive strength of the touch screen 4 with two diagonal points of support. At this time, the internal threaded frame 310 moves one-third of the stroke. After the second half circle, that is, the test is completed, the inner toothless gear 104 drives the inner gear 107 to rotate half a circle under the action of the rebound of the reset spring 202, so that the next test is switched to the diagonal four-point support; when the output toothless gear 111 rotates the second circle, it drives the outer gear 103 and the inner toothless gear 104 to rotate half a circle. At this time, The touch screen 4 is tested for its compressive strength at four diagonal points by the pop-up head 208. At this time, the internal thread frame 310 moves to two-thirds of the stroke, and the blocking frame 311 reaches the bottom of the pressure block 206. When the output toothless gear 111 rotates the third circle, it drives the external gear 103 and the internal toothless gear 104 to rotate half a circle. At this time, the docking gear 313 is engaged with the sliding toothless gear 308, which drives the center support plate 301 to rise completely. The center support plate 301 supports the bottom center of the touch screen 4. At the same time, the blocking frame 311 leaves the bottom of the pressure block 206, and the pressure block 206 and the pop-up head 208 pop up to test the impact and compressive strength of the center support of the touch screen 4.

[0042] The working principle of a touch screen compression resistance test device disclosed in the present invention is as follows: when the lifting support rod 106 is not raised, the touch screen 4 is supported by two fixed support rods 105, and the touch screen 4 is supported at two diagonal points. The motor 102 rotates to drive the output missing tooth gear 111 to rotate, and the output missing tooth gear 111 rotates to drive the outer gear 103 to rotate intermittently, thereby driving the inner missing tooth gear 104 to rotate intermittently, and the inner missing tooth gear 104 drives the inner gear 107 to rotate intermittently, thereby driving the camshaft 108 and the cam 109 to rotate, and the cam 109 rotates to drive the lifting frame 110 to rise, thereby driving the lifting support rod 106 to rise, at this time, the support blocks of the lifting support rod 106 and the fixed support rod 105 are at the same height, and the touch screen 4 is supported by two lifting support rods 106 and two fixed support rods 105 at the same time, and at this time, the touch screen 4 is supported at four points on the outside. The output missing tooth gear 111 rotates the outer gear 103 and the inner missing tooth gear 104 half a circle each time, and the inner missing tooth gear 104 drives the inner gear 107 to rotate half a circle each time. The rotation of the outer gear 103 drives the eccentric rotating rod 209 to rotate, thereby driving the lower pressure frame 203 to descend, the reset spring 202 is compressed, and the output toothless gear 111 drives the outer gear 103 to rotate half a circle each time. When the pop-up head 208 contacts the touch screen 4, the lower pressure frame 203 continues to descend, so that the pop-up spring 207 is compressed, and the lower pressure frame 203 and the pressure block 206 slide relative to each other, and the touch screen 4 is pressure tested. When the outer gear 103 is disengaged from the output toothless gear 111, the reset spring 202 rebounds, driving the outer gear 103 and the inner toothless gear 104 to continue to rotate half a circle, so that the lower pressure frame 203 and the pop-up head 208 are reset. The rotation of the outer gear 103 drives the upper transmission gear 302 to rotate, thereby driving the intermediate gear 303 and the lower gear 304 to rotate. The rotation of the intermediate gear 303 drives the sliding shaft 305, the sliding toothless gear 308 and the slip ring 309 to rotate. The lower gear 304 drives the two-way screw rod 307 to rotate, thereby driving the internal threaded frame 310 to slide along the lower slide rod 306. The internal threaded frame 310 drives the slip ring 309 and the sliding toothless gear 308 to slide along the sliding shaft 305, so that the sliding toothless gear 308 rotates and slides toward the intermediate gear 303. The internal threaded frame 310 moves forward one-third of the stroke each time. When the internal thread frame 310 advances two-thirds of the stroke, the blocking frame 311 arrives under the pressure block 206. After the internal thread frame 310 advances three times, the sliding toothless gear 308 engages with the docking gear 313, and the sliding toothless gear 308 drives the docking gear 313 and the sliding column 314 to rotate, thereby driving the lifting frame 312 and the center support plate 301 to rise, and the center support plate 301 supports the touch screen 4, so that the center support plate 301 supports the bottom center of the touch screen 4, and at this time the blocking frame 311 leaves the bottom of the pressure block 206, and the pressure block 206 pops out, and the touch screen is subjected to an impact and pressure resistance test.

[0043] When the output toothless gear 111 rotates the first circle, it first drives the outer gear 103 and the inner toothless gear 104 to rotate half a circle. In the first half circle, the inner toothless gear 104 will not drive the inner gear 107 to rotate. At this time, the pop-up head 208 is used to test the compressive strength of the touch screen 4 with two diagonal points of support. At this time, the internal threaded frame 310 moves one-third of the stroke. After the second half circle, that is, the test is completed, the inner toothless gear 104 drives the inner gear 107 to rotate half a circle under the action of the rebound of the reset spring 202, so that the next test is switched to the diagonal four-point support; when the output toothless gear 111 rotates the second circle, it drives the outer gear 103 and the inner toothless gear 104 to rotate half a circle. At this time, The touch screen 4 is tested for its compressive strength at four diagonal points by the pop-up head 208. At this time, the internal thread frame 310 moves to two-thirds of the stroke, and the blocking frame 311 reaches the bottom of the pressure block 206. When the output toothless gear 111 rotates the third circle, it drives the external gear 103 and the internal toothless gear 104 to rotate half a circle. At this time, the docking gear 313 is engaged with the sliding toothless gear 308, which drives the center support plate 301 to rise completely. The center support plate 301 supports the bottom center of the touch screen 4. At the same time, the blocking frame 311 leaves the bottom of the pressure block 206, and the pressure block 206 and the pop-up head 208 pop up to test the impact and compressive strength of the center support of the touch screen 4.

[0044] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A touch screen pressure resistance testing device, comprising a main device, characterized in that: The main device comprises a frame (101), the main device is used to support the touch screen (4), the main device is provided with a pressure device and an internal support device, the pressure device comprises three side spring frames (201), the side spring frames (201) are fixedly mounted on the frame (101), the pressure device is used to apply pressure to the touch screen (4), the internal support device comprises a central support plate (301), the central support plate (301) is slidably mounted on the frame (101), and the internal support device is used to provide support force for the touch screen (4).

2. A touch screen compression resistance testing device according to claim 1, characterized in that: The main device comprises a motor (102) arranged beside a frame (101); an output toothless gear (111) is fixedly mounted on a motor shaft of the motor (102); an internal toothless gear (104) is rotatably mounted on the frame (101); an external gear (103) is fixedly mounted on the internal toothless gear (104); and the external gear (103) meshes with the output toothless gear (111).

3. A touch screen compression resistance testing device according to claim 2, characterized in that: Two fixed support rods (105) are fixedly mounted on the frame (101), and two lifting support rods (106) are slidably mounted on the frame (101); the two fixed support rods (105) and the lifting support rod (106) are respectively arranged diagonally opposite to each other; and support blocks for supporting the touch screen (4) are arranged on the fixed support rods (105) and the lifting support rods (106); when in use, the touch screen (4) is placed on the support blocks.

4. A touch screen compression resistance testing device according to claim 3, characterized in that: A camshaft (108) is rotatably mounted at the bottom of the frame body (101); two cams (109) and an internal gear (107) are fixedly mounted on the camshaft (108); a lifting frame (110) is fixedly mounted below the two lifting support rods (106); the lifting frame (110) cooperates with the cam (109), and the internal gear (107) meshes with the internal gear with missing teeth (104).

5. A touch screen compression resistance testing device according to claim 2, characterized in that: The pressure device comprises a lower pressure frame (203) slidably mounted on the side spring frame (201), three return springs (202) are arranged between the lower pressure frame (203) and the side spring frame (201), an eccentric rotating rod (209) is rotatably mounted on the lower pressure frame (203), and the eccentric rotating rod (209) and the external gear (103) are eccentrically rotatably mounted.

6. A touch screen pressure resistance testing device according to claim 5, characterized in that: A pressure block (206) is slidably mounted on the lower pressure frame (203), a pop-up head (208) is fixedly mounted on the pressure block (206), and four pop-up springs (207) are arranged between the pressure block (206) and the lower pressure frame (203).

7. A touch screen compression resistance testing device according to claim 2, characterized in that: The inner support device comprises an upper transmission gear (302) rotatably mounted on the frame (101), the upper transmission gear (302) meshing with the outer gear (103), a sliding shaft (305) and a bidirectional lead screw (307) rotatably mounted on the frame (101), an intermediate gear (303) fixedly mounted on the sliding shaft (305), a sliding toothless gear (308) slidably mounted on the sliding shaft (305), a sliding ring (309) fixedly mounted on the sliding toothless gear (308), a lower gear (304) fixedly mounted on the bidirectional lead screw (307), the intermediate gear (303) meshing with the upper transmission gear (302), the intermediate gear (303) meshing with the lower gear (304), and a lower sliding rod (306) fixedly mounted on the frame (101).

8. A touch screen pressure resistance testing device according to claim 7, characterized in that: An internal thread frame (310) is slidably mounted on the lower slide rod (306), the internal thread frame (310) is provided with internal threads, the internal thread frame (310) and the bidirectional screw rod (307) form a threaded fit, two blocking frames (311) are fixedly mounted on the internal thread frame (310), the slip ring (309) is rotatably mounted on the internal thread frame (310), a lifting frame (312) is fixedly mounted below the center support plate (301), the lifting frame (312) is provided with a transverse groove, a docking gear (313) is rotatably mounted on the frame body (101), a sliding column (314) is eccentrically arranged on the docking gear (313), and the sliding column (314) slides in the transverse groove of the lifting frame (312).

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