CN216718552U - Screen aging pressing testing device - Google Patents
Screen aging pressing testing device Download PDFInfo
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- CN216718552U CN216718552U CN202121548522.7U CN202121548522U CN216718552U CN 216718552 U CN216718552 U CN 216718552U CN 202121548522 U CN202121548522 U CN 202121548522U CN 216718552 U CN216718552 U CN 216718552U
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Abstract
The utility model discloses a screen aging press testing device which comprises a lifting mechanism, a mounting seat, a base plate and pressure testing units, wherein the base plate is arranged on the mounting seat in a vertical sliding manner, the bottom of the base plate is provided with a resetting mechanism, and the base plate is provided with a plurality of pressure testing units in an array distribution manner; elevating system is including rotating actuating mechanism, crank, cam connection board, rotate actuating mechanism and set up at the top of mount pad, and drive crank rotates, the crank passes through the bearing and is connected with the one end rotation of cam connection board, the other end of cam connection board pass the mount pad and with the base plate butt. According to the utility model, the cam connecting plate is lifted and moved through the crank mechanism, so that the base plate is vertically and linearly moved, the stroke of the base plate is controlled through the size of the cam connecting plate, the stability of the testing pressure range of the pressure testing unit is ensured, and the practicability is better.
Description
Technical Field
The utility model belongs to the technical field of screen pressing test equipment, and particularly relates to a screen aging pressing test device.
Background
Touch aging tests are often required to be carried out on screens of flat panels, mobile phones and other equipment in the production process, the screens are required to be equally divided into a plurality of areas, then, a pressing sensor is adopted to carry out reciprocating pressing tests, and pressure values of all detection points on the screens are fed back. The existing press test mostly adopts the air cylinder to drive the press test unit to carry out reciprocating test, but the pressure range of the press test is uncertain, and the pressure range can not be kept in the stable range of the set threshold value. On the other hand, aiming at different products and different testing environments, the prior art cannot flexibly adjust the contact pressure during testing.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a screen aging press testing device, which enables a cam connecting plate to move up and down through a crank mechanism, further realizes that a base plate moves along a vertical straight line, realizes control of the base plate stroke through the size of the cam connecting plate, ensures the stability of the testing pressure range of a pressure testing unit, and has better practicability.
The utility model is mainly realized by the following technical scheme:
a screen aging press testing device comprises a lifting mechanism, a mounting seat, a base plate and pressure testing units, wherein the base plate is arranged on the mounting seat in a vertical sliding mode, a resetting mechanism is arranged at the bottom of the base plate, and a plurality of pressure testing units are distributed on the base plate in an array mode; elevating system includes rotation driving mechanism, crank, cam connecting plate, rotation driving mechanism sets up at the top of mount pad, and drives the crank rotation, the crank passes through the bearing and is connected with the one end rotation of cam connecting plate, the other end of cam connecting plate pass the mount pad and with the base plate butt.
When the pressure testing unit is used, when the contact point on the screen needs to be pressed, the crank mechanism is pushed to move, the substrate is pushed to compress the reset mechanism, and the flexible contact of the pressure testing unit completes the action of pressing down the touch screen. When the press contact test is finished, the crank mechanism is in return transfer, the reset mechanism pushes back the substrate, the flexible contact of the pressure test unit is separated from the screen, and a test action is finished.
In order to better implement the present invention, further, four corners of the mounting base are respectively provided with a guiding optical axis, four corners of the substrate are respectively connected with the guiding optical axis in a sliding manner, and a return spring is arranged between the bottom of the substrate and the guiding optical axis. The reset mechanism is a reset spring.
In order to better realize the utility model, the rotation driving mechanism further comprises a servo motor, a rotating shaft and a synchronous belt wheel, the rotating shaft is rotatably arranged at the top of the mounting seat, the servo motor drives the rotating shaft to rotate through the synchronous belt wheel, and two ends of the rotating shaft are respectively provided with a crank.
In order to better realize the utility model, further, two sides of the mounting seat are respectively provided with a through avoidance groove corresponding to the cam connecting plate, and the top of the cam connecting plate is rotatably connected with the crank through a bearing.
In the use process, the servo motor provides power to drive the rotating shaft to rotate so as to drive the crank to rotate, the crank drives the cam connecting plate to linearly move, namely to relatively move up and down, the cam connecting plate vertically lifts and abuts against the base plate, and the base plate linearly moves up and down along the guide optical axis under the action of the reset spring, so that the flexible contact of the pressing sensor is used for pressing the contact point position on the contact screen to reciprocate, and the pressing test is realized. The pressure testing units on the substrate are used for feeding back the pressure values of the detection points, the pressure testing units are independent from each other, mutual influence cannot be generated, the pressure testing device is purely mechanically controlled, the pressure value measurement cannot be influenced by factors such as unstable air pressure, and the like, and the practicability is better.
In order to better implement the utility model, further, the pressure testing unit comprises a top plate, a sensor shell, a pressing sensor, an upper adjusting jackscrew and a lower adjusting jackscrew; the top plate is arranged at the top of the substrate, a sensor shell is arranged between the top plate and the substrate in a sliding mode, a pressing sensor is arranged inside the sensor shell, and the bottom of the pressing sensor penetrates through the substrate in a sliding mode and is provided with a flexible contact; the upper adjusting jackscrew is in threaded connection with the top plate, one end of the upper adjusting jackscrew penetrates through the top plate and is abutted to the top of the sensor shell, the lower adjusting jackscrew is in threaded connection with the base plate, and the other end of the lower adjusting jackscrew penetrates through the top plate and is abutted to the bottom of the sensor shell.
In order to better implement the utility model, further, four corners of the bottom of the top plate are respectively provided with a guide support rod, the four corners of the sensor shell are respectively connected with the guide support rods in a sliding manner, and a lower adjusting jackscrew is arranged between adjacent guide support rods on the same side.
In order to better implement the present invention, further, an elongated sliding groove is disposed on the substrate along a length direction, a width of the sliding groove is greater than or equal to a diameter of the pressing sensor, and a length of the sliding groove is greater than the diameter of the pressing sensor.
In order to better realize the utility model, further, the inside of the sensor shell is provided with a mounting cavity corresponding to the pressing sensor, the top of the sensor shell is provided with a jacking hole communicated with the mounting cavity, and the top of the jacking hole is provided with a conical groove.
When the device is used, the lifting mechanism drives the substrate to integrally lift, so that the flexible contact of the pressing sensor can be pressed to press the test screen circularly and repeatedly. The pressure testing unit is arranged on the substrate and used for feeding back the pressure value of each detection point; each pressure test unit is independent and does not influence each other. The utility model realizes the pure mechanical motion control, and the pressure value is not influenced due to the reasons of unstable air pressure and the like.
The flexible contact is made of rubber materials, and the pressure range of the pressing test is controlled to be 0-10N by matching with the stroke of the crank mechanism. In the debugging process, the lower adjusting jackscrew is loosened at first, the substrate is pressed to the bottom and then stopped, at the moment, the screen is completely released by the flexible contact, and a real-time pressure value is obtained through testing. And rotating the upper adjusting jackscrew to adjust the compression amount of the flexible contact so as to adjust the pressure to a required value. When the pressure is adjusted to be expected, the pressure is basically pushed to the top end by the return spring, the jackscrew is adjusted under locking, the pressing sensor is in a completely fixed state, and the pressure value of the pressing test is stable.
The utility model has the beneficial effects that:
(1) according to the utility model, the cam connecting plate is lifted and moved through the crank mechanism, so that the base plate is vertically and linearly moved, the control of the base plate stroke is realized through the size of the cam connecting plate, the stability of the testing pressure range of the pressure testing unit is ensured, and the practicability is better;
(1) according to the utility model, the height position of the sensor shell can be adjusted by adjusting the upper adjusting jackscrew and the lower adjusting jackscrew according to a test object or a test requirement, so that the height position of the pressing sensor in the sensor shell is adjusted, the deformation of the flexible contact is changed, the contact pressure value of the flexible contact and a screen is effectively controlled, and the utility model has better practicability;
(2) the flexible contact is made of rubber materials, and the range of pressure of a press test can be controlled to be 0-10N by matching with the stroke of the crank mechanism, so that the flexible contact has better practicability;
(3) the top plate can be abutted against the base plate through the guide supporting rod, and the top plate and the base plate are stably installed through locking of the upper adjusting jackscrew, the lower adjusting jackscrew and the sensor shell;
(4) the utility model can conveniently adjust the installation position of the pressure test unit on the substrate by arranging the strip-shaped sliding groove, thereby realizing the test compatibility of the flat plates with different sizes and having better practicability.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a front view of FIG. 1;
FIG. 4 is a left side view of FIG. 1;
FIG. 5 is a schematic view of a connection structure between a substrate and a test unit;
FIG. 6 is a top view of FIG. 5;
FIG. 7 is a front view of FIG. 5;
FIG. 8 is a schematic structural diagram of a pressure testing unit;
fig. 9 is a schematic view of a connection structure of the sensor housing and the press sensor.
Wherein: the device comprises a mounting base 1, a base plate 2, a pressure testing unit 3, a top plate 31, a sensor shell 32, a pressing sensor 33, an upper adjusting jackscrew 34, a lower adjusting jackscrew 35, a sliding groove 36, a crank 4, a cam connecting plate 5, a servo motor 6, a rotating shaft 7, an avoiding groove 8 and a screen 9.
Detailed Description
Example 1:
a screen aging press testing device is shown in figures 1-7 and comprises a lifting mechanism, a mounting seat 1, a base plate 2 and pressure testing units 3, wherein the base plate 2 is arranged on the mounting seat 1 in a vertical sliding mode, a reset mechanism is arranged at the bottom of the base plate 2, and a plurality of pressure testing units 3 are distributed on the base plate 2 in an array mode; elevating system is including rotating actuating mechanism, crank 4, cam connection board 5, rotating actuating mechanism sets up at the top of mount pad 1, and drives crank 4 and rotate, crank 4 rotates with cam connection board 5's one end through the bearing and is connected, cam connection board 5's the other end passes mount pad 1 and with base plate 2 butt.
When the pressure testing device is used, when the contact point on the touch screen 9 needs to be pressed, the crank 4 mechanism is pushed to move, the substrate 2 is pushed to compress the reset mechanism, and the flexible contact of the pressure testing unit 3 completes the action of pressing down the touch screen 9. When the press contact test is finished, the crank 4 mechanism returns to transport, the reset mechanism pushes back the substrate 2, the flexible contact of the pressure test unit 3 is separated from the screen 9, and a test action is finished.
According to the utility model, the cam connecting plate 5 is lifted and moved by the crank 4 mechanism, so that the base plate 2 is vertically and linearly moved, the stroke of the base plate 2 is controlled by the size of the cam connecting plate 5, the stability of the pressure testing range of the pressure testing unit 3 is ensured, and the device has better practicability.
Example 2:
the present embodiment is optimized on the basis of embodiment 1, as shown in fig. 1 to 4, the reset mechanism is a reset spring, four corners of the mounting base 1 are respectively provided with a guiding optical axis, four corners of the substrate 2 are respectively connected with the guiding optical axis in a sliding manner, and a reset spring is arranged between the bottom of the substrate 2 and the guiding optical axis.
Other parts of this embodiment are the same as embodiment 1, and thus are not described again.
Example 3:
the embodiment is optimized on the basis of embodiment 1 or 2, as shown in fig. 1 to 4, the rotation driving mechanism includes a servo motor 6, a rotating shaft 7 and a synchronous pulley, the rotating shaft 7 is rotatably disposed at the top of the mounting base 1, the servo motor 6 drives the rotating shaft 7 to rotate through the synchronous pulley, and two ends of the rotating shaft 7 are respectively provided with a crank 4.
Furthermore, both sides of the mounting seat 1 are respectively provided with a through avoidance groove 8 corresponding to the cam connecting plate 5, and the top of the cam connecting plate 5 is rotatably connected with the crank 4 through a bearing.
In the use process of the utility model, the servo motor 6 provides power to drive the rotating shaft 7 to rotate so as to drive the crank 4 to rotate, the crank 4 drives the cam connecting plate 5 to linearly move, namely to relatively move up and down, the cam connecting plate 5 is vertically lifted and abutted against the base plate 2, and the base plate 2 is driven to linearly move up and down along the guide optical axis under the action of the reset spring, so that the flexible contact of the pressing sensor 33 is driven to reciprocate to press the contact point on the touch screen 9, thereby realizing the pressing test. The pressure testing units 3 on the substrate 2 are used for feeding back the pressure values of the detection points, each pressure testing unit 3 is independent from the other pressure testing unit, mutual influence cannot be generated, the pressure testing device is controlled by pure mechanical motion, the pressure value measurement cannot be influenced by factors such as unstable air pressure, and the like, and the practicability is better.
The rest of this embodiment is the same as embodiment 1 or 2, and therefore, the description thereof is omitted.
Example 4:
the present embodiment is optimized based on any one of embodiments 1 to 3, and as shown in fig. 7 to 9, the pressure testing unit 3 includes a top plate 31, a sensor housing 32, a pressing sensor 33, an upper adjusting jackscrew 34, and a lower adjusting jackscrew 35; the top plate 31 is arranged on the top of the substrate 2, a sensor shell 32 is arranged between the top plate 31 and the substrate 2 in a sliding mode, a pressing sensor 33 is installed inside the sensor shell 32, and the bottom of the pressing sensor 33 penetrates through the substrate 2 in a sliding mode and is provided with a flexible contact; the upper adjusting jackscrew 34 is in threaded connection with the top plate 31, one end of the upper adjusting jackscrew penetrates through the top plate 31 and is abutted against the top of the sensor shell 32, the lower adjusting jackscrew 35 is in threaded connection with the base plate 2, and the other end of the lower adjusting jackscrew penetrates through the top plate 31 and is abutted against the bottom of the sensor shell 32.
Furthermore, four corners of the bottom of the top plate 31 are respectively provided with a guide support rod, four corners of the sensor housing 32 are respectively connected with the guide support rods in a sliding manner, and a lower adjusting jackscrew 35 is arranged between adjacent guide support rods on the same side.
Further, an elongated sliding groove 36 is disposed on the substrate 2 along the length direction, and the width of the sliding groove 36 is greater than or equal to the diameter of the pressing sensor 33, and the length is greater than the diameter of the pressing sensor 33. As shown in fig. 5 and 6, a plurality of sets of long strip-shaped sliding grooves 36 with gradually changing length are sequentially arranged on the substrate 2 from left to right. According to the utility model, through the arrangement of the strip-shaped sliding groove 36, the mounting position of the pressure testing unit 3 on the substrate 2 can be conveniently adjusted, so that the test compatibility of flat plates with different sizes can be realized, and the practicability is better.
Further, the inside of sensor housing 32 corresponds and presses sensor 33 and has seted up the installation cavity, and the tight hole in top of seting up and having linked up with the installation cavity, the top in tight hole in top is provided with the tapered groove.
In the use process of the utility model, the lifting mechanism drives the substrate 2 to integrally lift and move, thereby realizing the cyclic reciprocating pressing of the flexible contact of the pressing sensor 33 on the test screen 9. The pressure testing unit 3 is arranged on the substrate 2 and used for feeding back the pressure value of each detection point; each pressure test unit 3 is independent of each other and does not affect each other. The utility model realizes the pure mechanical motion control, and the pressure value can not be influenced due to the unstable air pressure and other reasons. The lifting mechanism can be a driving structure such as a lifting cylinder, an oil cylinder and the like, and therefore, the description is omitted.
According to the utility model, the height position of the sensor shell 32 can be adjusted by adjusting the upper adjusting jackscrew 34 and the lower adjusting jackscrew 35 according to a test object or a test requirement, so that the height position of the pressing sensor 33 in the sensor shell 32 is adjusted, the deformation of the flexible contact is changed, the contact pressure value of the flexible contact and the screen 9 is effectively controlled, and the utility model has better practicability.
The flexible contact is made of rubber materials, and the pressure range of the pressing test is controlled to be 0-10N by matching with the stroke of the crank 4 mechanism. In the debugging process, the lower adjusting jackscrew 35 is firstly loosened, the substrate 2 is pressed to the bottom and then stopped, the screen 9 is completely released by the flexible contact at the moment, and the real-time pressure value is obtained through testing. Rotating the upper adjustment screw 34 adjusts the amount of compression of the flexible contact, which adjusts the pressure to the desired value. When the pressure is adjusted to be expected, the pressure is basically pushed to the top end by the return spring, the adjusting jackscrew 35 is locked, the pressing sensor 33 is in a completely fixed state, and the pressure value of the pressing test is stable.
Other parts of this embodiment are the same as any of embodiments 1-3, and therefore are not described again.
Example 5:
a screen aging press testing device is shown in figures 1-9 and comprises a lifting mechanism, a mounting seat 1, a base plate 2 and pressure testing units 3, wherein the base plate 2 is arranged on the mounting seat 1 in a vertical sliding mode, a reset mechanism is arranged at the bottom of the base plate 2, and a plurality of pressure testing units 3 are distributed on the base plate 2 in an array mode; elevating system is including rotating actuating mechanism, crank 4, cam connection board 5, rotating actuating mechanism sets up at the top of mount pad 1, and drives crank 4 and rotate, crank 4 rotates with cam connection board 5's one end through the bearing and is connected, cam connection board 5's the other end passes mount pad 1 and with base plate 2 butt.
In the process of testing the screen 9, the testing contact points are required to be uniformly distributed in the center of 16 equally-divided areas on the screen 9; the substrate 2 is correspondingly provided with 16 pressure test units 3 in a matrix. When the contact point on the touch screen 9 needs to be pressed, the crank 4 mechanism is pushed to move, the substrate 2 is pushed to compress the reset mechanism, and the flexible contact of the pressure testing unit 3 completes the action of pressing down the touch screen 9. When the press contact test is finished, the crank 4 mechanism returns to transport, the reset mechanism pushes back the substrate 2, the flexible contact of the pressure test unit 3 is separated from the screen 9, and a test action is finished.
Further, as shown in fig. 1 to 4, four corners of the mounting base 1 are respectively provided with a guiding optical axis, four corners of the substrate 2 are respectively connected with the guiding optical axis in a sliding manner, and a return spring is arranged between the bottom of the substrate 2 and the guiding optical axis.
Further, as shown in fig. 1, the rotation driving mechanism includes a servo motor 6, a rotating shaft 7 and a synchronous pulley, the rotating shaft 7 is rotatably disposed at the top of the mounting base 1, the servo motor 6 drives the rotating shaft 7 to rotate through the synchronous pulley, and the cranks 4 are respectively disposed at two ends of the rotating shaft 7.
Furthermore, both sides of the mounting seat 1 are respectively provided with a through avoidance groove 8 corresponding to the cam connecting plate 5, and the top of the cam connecting plate 5 is rotatably connected with the crank 4 through a bearing.
In the use process of the utility model, the servo motor 6 provides power to drive the rotating shaft 7 to rotate so as to drive the crank 4 to rotate, the crank 4 drives the cam connecting plate 5 to linearly move, namely to relatively move up and down, the cam connecting plate 5 is vertically lifted and abutted against the base plate 2, and the base plate 2 is driven to linearly move up and down along the guide optical axis under the action of the reset spring, so that the flexible contact of the pressing sensor 33 is driven to reciprocate to press the contact point on the touch screen 9, thereby realizing the pressing test. The pressure testing units 3 on the substrate 2 are used for feeding back the pressure values of the detection points, each pressure testing unit 3 is independent from the other pressure testing unit, mutual influence cannot be generated, the pressure testing device is controlled by pure mechanical motion, the pressure value measurement cannot be influenced by factors such as unstable air pressure, and the like, and the practicability is better.
Further, as shown in fig. 7 to 9, the pressure testing unit 3 includes a top plate 31, a sensor housing 32, a pressing sensor 33, an upper adjusting jack screw 34, and a lower adjusting jack screw 35; the top plate 31 is arranged on the top of the substrate 2, a sensor shell 32 is arranged between the top plate 31 and the substrate 2 in a sliding mode, a pressing sensor 33 is installed inside the sensor shell 32, and the bottom of the pressing sensor 33 penetrates through the substrate 2 in a sliding mode and is provided with a flexible contact; the upper adjusting jackscrew 34 is in threaded connection with the top plate 31, one end of the upper adjusting jackscrew penetrates through the top plate 31 and is abutted against the top of the sensor shell 32, the lower adjusting jackscrew 35 is in threaded connection with the base plate 2, and the other end of the lower adjusting jackscrew penetrates through the top plate 31 and is abutted against the bottom of the sensor shell 32.
Further, an elongated sliding groove 36 is disposed on the substrate 2 along the length direction, and the width of the sliding groove 36 is greater than or equal to the diameter of the pressing sensor 33, and the length is greater than the diameter of the pressing sensor 33. As shown in fig. 5 and 6, a plurality of sets of long strip-shaped sliding grooves 36 with gradually changing length are sequentially arranged on the substrate 2 from left to right.
Further, the inside of sensor housing 32 corresponds and presses sensor 33 and has seted up the installation cavity, and the tight hole in top of seting up and having linked up with the installation cavity, the top in tight hole in top is provided with the tapered groove.
In the use process of the utility model, the lifting mechanism drives the substrate 2 to integrally lift and move, thereby realizing the cyclic reciprocating pressing of the flexible contact of the pressing sensor 33 on the test screen 9. The pressure testing unit 3 is arranged on the substrate 2 and used for feeding back the pressure value of each detection point; each pressure test unit 3 is independent of each other and does not affect each other. The utility model realizes the pure mechanical motion control, and the pressure value is not influenced due to the reasons of unstable air pressure and the like.
The flexible contact is made of rubber materials, and the pressure range of the pressing test is controlled to be 0-10N by matching with the stroke of the crank 4 mechanism. In the debugging process, the lower adjusting jackscrew 35 is firstly loosened, the substrate 2 is pressed to the bottom and then stopped, the screen 9 is completely released by the flexible contact at the moment, and the real-time pressure value is obtained through testing. Rotating the upper adjustment screw 34 adjusts the amount of compression of the flexible contact, which adjusts the pressure to the desired value. When the pressure is adjusted to be expected, the pressure is basically pushed to the top end by the return spring, the adjusting jackscrew 35 is locked, the pressing sensor 33 is in a completely fixed state, and the pressure value of the pressing test is stable.
According to the utility model, the height position of the sensor shell 32 can be adjusted by adjusting the upper adjusting jackscrew 34 and the lower adjusting jackscrew 35 according to a test object or a test requirement, so that the height position of the pressing sensor 33 in the sensor shell 32 is adjusted, the deformation of the flexible contact is changed, the contact pressure value of the flexible contact and the screen 9 is effectively controlled, and the utility model has better practicability.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any simple modifications and equivalent variations of the above embodiment according to the technical spirit of the present invention are within the scope of the present invention.
Claims (4)
1. The screen aging press testing device is characterized by comprising a lifting mechanism, a mounting seat (1), a base plate (2) and pressure testing units (3), wherein the base plate (2) is arranged on the mounting seat (1) in a vertical sliding mode, a resetting mechanism is arranged at the bottom of the base plate (2), and a plurality of pressure testing units (3) are distributed on the base plate (2) in an array mode; elevating system is including rotating actuating mechanism, crank (4), cam connection board (5), rotate actuating mechanism and set up at the top of mount pad (1), and drive crank (4) and rotate, crank (4) are rotated through the one end of bearing with cam connection board (5) and are connected, the other end of cam connection board (5) passes mount pad (1) and with base plate (2) butt.
2. The screen aging press testing device according to claim 1, wherein four corners of the mounting base (1) are respectively provided with a guiding optical axis, four corners of the substrate (2) are respectively connected with the guiding optical axis in a sliding manner, and a return spring is arranged between the bottom of the substrate (2) and the guiding optical axis.
3. The screen aging press testing device according to claim 1, wherein the rotation driving mechanism comprises a servo motor (6), a rotating shaft (7) and a synchronous pulley, the rotating shaft (7) is rotatably arranged at the top of the mounting base (1), the servo motor (6) drives the rotating shaft (7) to rotate through the synchronous pulley, and cranks (4) are respectively arranged at two ends of the rotating shaft (7).
4. The screen aging press testing device according to claim 3, wherein two sides of the mounting base (1) are respectively provided with a through avoidance groove (8) corresponding to the cam connecting plate (5), and the top of the cam connecting plate (5) is rotatably connected with the crank (4) through a bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121548522.7U CN216718552U (en) | 2021-07-08 | 2021-07-08 | Screen aging pressing testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121548522.7U CN216718552U (en) | 2021-07-08 | 2021-07-08 | Screen aging pressing testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216718552U true CN216718552U (en) | 2022-06-10 |
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ID=81872016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121548522.7U Active CN216718552U (en) | 2021-07-08 | 2021-07-08 | Screen aging pressing testing device |
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| Country | Link |
|---|---|
| CN (1) | CN216718552U (en) |
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2021
- 2021-07-08 CN CN202121548522.7U patent/CN216718552U/en active Active
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