Detection device for notebook keyboard

Abstract

The utility model discloses a detection device for a notebook keyboard, which relates to the field of keyboard detection devices and comprises a keyboard base, two mounting plates are fixedly mounted at the tops of two sides of the keyboard base, a lifting plate is slidably arranged in the keyboard base, and a lifting component is mounted on one side of the outside of the keyboard base through screws. Two sets of sliding rails are fixedly mounted in the middles of the two ends of the two mounting plates, four sliding plates are slidably arranged in the middles of the two sets of sliding rails, two sets of driving components which are symmetrically arranged are mounted on the sides, away from each other, of the two mounting plates through screws, and H-shaped connecting rods are rotatably mounted in the middles of every two sliding plates on the same side. A limiting frame with the two ends fixedly installed in the middles of the two same sliding plates is arranged below the H-shaped connecting rod, and a plurality of pressing components are slidably installed in the middle of the limiting frame in a penetrating mode. According to the detection device for the notebook keyboard, the pressing depth can be adjusted, and combination keys can be detected.

Description

Technical Field

[0001] This utility model mainly relates to the technical field of keyboard detection devices, specifically a detection device for a laptop keyboard. Background Technology

[0002] Laptop keyboard testing devices can accurately assess the sensitivity and durability of keyboard keys by simulating the force and frequency of keystrokes. This helps ensure that the keyboard meets the user's operational needs in actual use, avoiding user experience issues caused by key malfunctions or sluggish responses. On the production line, testing devices can be used to comprehensively inspect laptop keyboards, promptly identifying and rejecting products with quality problems. This helps improve overall product quality and reduce after-sales repair costs. However, existing laptop keyboard testing devices have a low testing frequency and lack the ability to test combination keys.

[0003] According to application number 202021420093.0, a testing device for notebook keyboard production is provided, which includes a chassis, support feet, an insertion port and a control panel. The support feet are located at the four corners of the lower end of the chassis, and the chassis is welded and fixedly connected to the support feet. An insertion port is provided at one end of the left side of the chassis, and the insertion port is embedded and fixedly connected to the chassis. A control panel is provided at the upper end of the insertion port, and the control panel is electrically connected to the chassis.

[0004] The aforementioned document, through structural improvements, enables efficient detection of laptop keyboards, thereby improving the efficiency of laptop keyboard detection. However, it lacks the ability to detect different key depths and high-frequency detection capabilities for combination keys. Utility Model Content

[0005] Therefore, the purpose of this utility model is to provide a detection device for a notebook keyboard to solve the technical problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A detection device for a laptop keyboard includes a keyboard base. Two mounting plates are fixedly installed on the top of both sides of the keyboard base. A lifting plate is slidably provided inside the keyboard base. A lifting component is screwed onto one side of the keyboard base. Two sets of slide rails are fixedly installed at the middle of both ends of the two mounting plates. Four sliding plates are slidably provided in the middle of the two sets of slide rails. Two sets of drive components are symmetrically arranged and screwed onto the side of the two mounting plates that are far apart from each other. An H-shaped connecting rod is rotatably installed in the middle of every two sliding plates on the same side. A limiting frame is provided below the H-shaped connecting rod, with both ends fixedly installed in the middle of the same two sliding plates. Multiple pressing components are slidably installed through the middle of the limiting frame.

[0008] Preferably, the top of the lifting plate has two symmetrically arranged right-angled plate slots at both ends, and four first threaded tubes are fixedly installed through the four corners of the lifting plate. The first threaded tubes have internal nut connections to first threaded rods whose upper and lower ends are respectively connected to the bottom end of the keyboard base and the bottom end of the slide rail.

[0009] Preferably, the lifting component includes a first coaxial motor screwed onto one side of the keyboard base. The output ends of the first coaxial motor are provided with two first right-angle couplings screwed onto both ends of the keyboard base. The other end of the first right-angle coupling is connected to a double-headed worm gear rotatably installed at both ends inside the keyboard base. A worm wheel that meshes with the double-headed worm gear is fixedly welded to the bottom side wall of the first threaded rod.

[0010] Preferably, a gear reducer is screwed onto the end of each sliding plate away from the H-shaped connecting rod. The output end of the gear reducer is fixedly connected to the central shaft of the H-shaped connecting rod, and the input end of the gear reducer is connected to a servo motor. A second threaded cylinder is fixedly installed through both sides of the sliding plate.

[0011] Preferably, the driving component includes an isolation plate disposed in the middle of the two sets of slide rails. The driving component also includes a second coaxial motor screwed to one side of the mounting plate. The two ends of the second coaxial motor are provided with two second right-angle couplings screwed to the same end of the mounting plate. The other end of the second right-angle coupling is rotatably connected to a second threaded rod that is connected to the second threaded cylinder and rotatably mounted to one side of the isolation plate.

[0012] Preferably, the H-shaped connecting rod has the same number of H-shaped slots as the pressing component, and a movable rod is rotatably installed in the middle of the H-shaped slot.

[0013] Preferably, the pressing component includes a limiting tube that is fixedly installed through the upper and lower ends of the limiting frame, a telescopic rod with the actuating end facing downward is movably provided inside the limiting tube, a hinge block that is hinged to the bottom end of the movable rod is fixedly provided at the top end of the telescopic rod, and a pressing sleeve is sleeved on the bottom actuating end of the telescopic rod.

[0014] In summary, this technical solution has the following main advantages:

[0015] This invention achieves height adjustment of the lifting plate through the design of the lifting component. This allows the laptop keyboard and the pressing component to have different vertical distances, thereby enabling the detection of the keyboard's sensing ability at different pressing depths during high-frequency pressing. The high torque of the servo motor and gear reducer drives the H-shaped connecting rod and the movable rod to push and pull the telescopic rod back and forth, achieving high-speed pressing and a faster pressing rhythm, which can quickly detect the lifespan of the keyboard.

[0016] By controlling the extension states of different telescopic levers, they extend when needed to prevent accidental presses and improve detection accuracy. The sliding plate, through the coordinated action of the slide rail and drive components, can slide on the keyboard base, moving the pressing component from one key row to another. This allows the detection device to automatically and continuously detect all key rows on the laptop keyboard, improving detection efficiency. By activating the program of two sets of drive components, one or two rows of pressing components can be brought to the designated row position, extending the effective telescopic lever to detect combination keys. Attached Figure Description

[0017] Figure 1 This is an isometric view of the overall structure of this utility model;

[0018] Figure 2 This is a schematic diagram of the bottom structure of this utility model without the shell.

[0019] Figure 3 This is an enlarged view of part of the structure of this utility model;

[0020] Figure 4 This is a schematic diagram of the top structure of this utility model without the shell.

[0021] Figure 5 This is a frontal split view of the top structure of this utility model.

[0022] Figure Descriptions: 10. Keyboard base; 11. Mounting plate; 12. Lifting plate; 121. Right-angle plate groove; 122. First threaded tube; 123. First threaded rod; 13. Lifting component; 131. First coaxial motor; 132. First right-angle coupling; 133. Double-headed worm gear; 134. Worm wheel; 14. Slide rail; 15. Sliding plate; 151. Gear reducer; 152. Servo motor; 153. Second threaded cylinder; 16. Drive component; 161. Isolation plate; 162. Second coaxial motor; 163. Second right-angle coupling; 164. Second threaded rod; 17. H-type connecting rod; 171. H-type rotating groove; 172. Movable rod; 18. Limiting frame; 19. Pressing component; 191. Limiting tube; 192. Telescopic rod; 193. Hinge block; 194. Pressing sleeve. Detailed Implementation

[0023] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0024] Example

[0025] Please refer to the attached document carefully. Figure 1 , 2As shown in Figure 3, a detection device for a laptop keyboard includes a keyboard base 10. Two mounting plates 11 are fixedly installed on the top of both sides of the keyboard base 10. A lifting plate 12 is slidably provided inside the keyboard base 10. A lifting component 13 is screwed on one side of the keyboard base 10. Two sets of slide rails 14 are fixedly installed at the middle of both ends of the two mounting plates 11. Four sliding plates 15 are slidably provided in the middle of the two sets of slide rails 14. Two sets of drive components 16 are symmetrically arranged and screwed on the side of the two mounting plates 11 that are far apart from each other. An H-shaped connecting rod 17 is rotatably installed in the middle of every two sliding plates 15 on the same side. A limiting frame 18 is provided below the H-shaped connecting rod 17, with both ends fixedly installed in the middle of the same two sliding plates 15. Multiple pressing components 19 are slidably installed through the middle of the limiting frame 18. The top of the lifting plate 12 has two symmetrically arranged right-angled plate slots 121. Four first threaded tubes 122 are fixedly installed through the four corners of the lifting plate 12. The first threaded tubes 122 are connected to first threaded rods 123 with their upper and lower ends respectively connected to the bottom of the keyboard base 10 and the bottom of the slide rail 14. The lifting component 13 includes a first coaxial motor 131 screwed on one side of the keyboard base 10. The output ends of the first coaxial motor 131 are provided with two first right-angle couplings 132 screwed on one side of the keyboard base 10. The other end of the first right-angle coupling 132 is connected to a double-headed worm gear 133 rotatably installed inside the keyboard base 10. The bottom side wall of the first threaded rod 123 is fixedly welded with a worm wheel 134 that meshes with the double-headed worm gear 133.

[0026] As described above, the keyboard base 10 has an opening on one side for easy access to the laptop keyboard. During testing, the laptop keyboard is inserted into the top of the lifting plate 12 along the two right-angle plate slots 121, and the signal output terminal of the laptop keyboard is connected to a dedicated testing device to begin keyboard testing. During testing, the first coaxial motor 131 will periodically start, driving the two double-headed worm gears 133 to rotate through the two first right-angle couplings 132. This, in turn, drives the four first threaded rods 123 to rotate through the meshing worm gears 134. Then, the four first threaded tubes 122 connected by the nut drive the lifting plate 12 to rise and fall, adjusting the vertical distance between the laptop keyboard and the pressing component 19. This allows the pressing component 19 to be pressed to different depths at high frequencies, thus testing the laptop keyboard's sensing ability at different pressing depths.

[0027] Please refer to the attached document carefully. Figure 1 , 4As shown in Figure 5, a gear reducer 151 is screwed onto the end of each sliding plate 15 away from the H-shaped connecting rod 17. The output end of the gear reducer 151 is fixedly connected to the central shaft of the H-shaped connecting rod 17, and the input end of the gear reducer 151 is connected to a servo motor 152. A second threaded cylinder 153 is fixedly installed through both sides of the sliding plate 15. The H-shaped connecting rod 17 has the same number of H-shaped rotating grooves 171 as the pressing component 19. A movable rod 172 is rotatably installed in the middle of the H-shaped rotating groove 171. The pressing component 19 includes a limiting tube 191 that is fixedly installed through the upper and lower ends of the limiting frame 18. A telescopic rod 192 with the actuating end facing down is movably installed inside the limiting tube 191. A hinge block 193 is fixedly installed at the bottom end of the hinged movable rod 172 at the top end of the telescopic rod 192. A pressing sleeve 194 is sleeved on the bottom actuating end of the telescopic rod 192.

[0028] As described above, the telescopic lever 192 is at a sufficient height from the laptop keyboard. Only when the telescopic lever 192 is extended and located at the lowest position of the limiting tube 191 can the pressing sleeve 194 effectively contact the effective pressing area of ​​the laptop keyboard. Since the keys of the laptop keyboard are not evenly distributed, this structure allows the telescopic lever 192 at a certain position to be adjusted to extend when a pressing sleeve 194 is needed. The unused position can remain retracted to prevent accidental touches. In this embodiment, the servo motor 152 drives the gear reducer 151 to output a large torque to drive the H-shaped connecting rod 17 to rotate, which in turn drives the movable rod 172 to push and pull the telescopic lever 192 in the limiting tube 191 back and forth, realizing high-speed pressing of the laptop keyboard, faster pressing rhythm, and rapid detection of keyboard lifespan.

[0029] Please refer to the attached document carefully. Figure 1 , 4 As shown, the drive component 16 includes an isolation plate 161 located in the middle of the two sets of slide rails 14. The drive component 16 also includes a second coaxial motor 162 screwed onto one side of the mounting plate 11. The two ends of the second coaxial motor 162 are provided with two second right-angle couplings 163 screwed onto the same side of the mounting plate 11. The other end of the second right-angle coupling 163 is rotatably connected to a second threaded rod 164 that is connected to a threaded nut inside a second threaded cylinder 153 and whose other end is rotatably mounted on one side of the isolation plate 161.

[0030] As described above, after the detection of a row of keys on the laptop keyboard is completed, the second coaxial motor 162 is briefly started, driving two second threaded rods 164 to rotate through two second right-angle couplings 163. The second threaded cylinder 153 connected by a nut drives two sliding plates 15 on the same side to slide within the slide rail 14, moving all the pressing parts 19 of the same row to another row. According to the set program, the required telescopic rods 192 on the pressing parts 19 extend, and the previous operation is repeated to press, detecting all rows of laptop keyboard keys. When different rows of combination keys need to be detected, the two sets of drive components 16 are started respectively, bringing the two rows of pressing parts 19 to the designated row position, extending the effective telescopic rods 192, and the two servo motors 152 start pressing simultaneously to test whether the combination keys of different rows are normal. If it is a combination key of the same row, only one row of pressing parts 19 needs to be started accordingly.

[0031] The above embodiments are only for illustrating the technical concept of this utility model and should not be construed as limiting the scope of protection of this utility model. Any modifications made to the technical solution based on the technical concept proposed by this utility model shall fall within the scope of protection of this utility model.

Claims

1. A detecting device for notebook keyboard, comprising a keyboard base (10), two mounting plates (11) are fixedly installed on the top of both sides of the keyboard base (10), characterized in that, The keyboard base (10) is internally slidably provided with a lifting plate (12), one side of the keyboard base (10) is externally screw-mounted with a lifting component (13), two groups of slide rails (14) are fixedly installed at the middle portions of the two ends of the two mounting plates (11), four slide plates (15) are slidably arranged at the middle portions of the two groups of slide rails (14), two groups of driving components (16) are symmetrically arranged and screw-mounted on the sides of the two mounting plates (11) away from each other, H-shaped connecting rods (17) are rotatably installed at the middle portions of every two slide plates (15) on the same side, limiting frames (18) are fixedly installed at the middle portions of the same two slide plates (15) below the H-shaped connecting rods (17), and a plurality of pressing components (19) are slidably installed at the middle portions of the limiting frames (18).

2. The detecting device for notebook keyboard according to claim 1, wherein, Two straight angle plate grooves (121) are symmetrically arranged at the top of the lifting plate (12), four first threaded pipes (122) are fixedly installed at the four corners of the lifting plate (12), and first threaded rods (123) connected with the screw nuts are connected to the first threaded pipes (122), and the upper and lower ends of the first threaded rods (123) are connected with the bottom end of the keyboard base (10) and the bottom end of the slide rail (14) respectively.

3. The detecting device for notebook keyboard according to claim 2, wherein, The lifting component (13) comprises a first coaxial motor (131) screw-mounted on one side of the keyboard base (10), two first right-angle connecting shafts (132) screw-mounted on the two ends of the keyboard base (10) are arranged at the output ends of the two ends of the first coaxial motor (131), double-end worms (133) rotatably installed at the two ends of the keyboard base (10) are connected to the other ends of the first right-angle connecting shafts (132), and worm wheels (134) meshing with the double-end worms (133) are fixedly welded on the side walls of the bottom ends of the first threaded rods (123).

4. The detecting device for notebook keyboard according to claim 1, characterized in that, Each group of slide plates (15) is screw-mounted with a gear reducer (151) at one end away from the H-shaped connecting rod (17), the output end of the gear reducer (151) is fixedly connected with the central shaft of the H-shaped connecting rod (17), a servo motor (152) is connected to the input end of the gear reducer (151), and second threaded cylinders (153) are fixedly installed on the two sides of the slide plate (15).

5. The detecting device for notebook keyboard according to claim 4, wherein, The driving component (16) comprises an isolation plate (161) arranged at the middle portions of the two groups of slide rails (14), the driving component (16) further comprises a second coaxial motor (162) screw-mounted on one side of the mounting plate (11), two second right-angle connecting shafts (163) screw-mounted on the two ends of the same side of the mounting plate (11) are arranged at the two ends of the execution end of the second coaxial motor (162), a second threaded rod (164) rotatably connected to the inside of the second threaded cylinder (153) and rotatably installed on one side of the isolation plate (161) is rotatably connected to the other end of the second right-angle connecting shaft (163), and the screw nut of the second threaded rod (164) is connected to the second threaded cylinder (153).

6. The detecting device for notebook keyboard according to claim 1, wherein, The H-shaped connecting rod (17) is provided with the same number of H-shaped rotating grooves (171) as the pressing components (19), and movable rods (172) are rotatably installed at the middle portions of the H-shaped rotating grooves (171).

7. The detecting device for notebook keyboard according to claim 6, wherein The pressing component (19) comprises a limiting tube (191) fixedly installed on the upper and lower ends of the limiting frame (18), a telescopic rod (192) with a downward execution end movably arranged in the limiting tube (191), a hinge block (193) fixedly arranged at the top end of the telescopic rod (192) and hinged to the bottom end of the movable rod (172), and a pressing sleeve (194) arranged at the bottom execution end of the telescopic rod (192).

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