Keyboard key pressing test device

Abstract

The utility model relates to the technical field of keyboard testing, in particular to a keyboard key pressing testing device. The utility model provides an improved keyboard key pressing test device. A keyboard key pressing test device comprises a test board, a mounting frame, a lifting mechanism, a test assembly, a positioning assembly and the like, the lifting mechanism is mounted on the mounting frame, and the test assembly used for conducting pressing detection on keys of a keyboard is arranged on a connecting seat of the lifting mechanism. A positioning assembly used for clamping and limiting a keyboard is arranged on the front side of the top of the test board. Through stirring wheels which are distributed at intervals in a surrounding mode in the axial direction and the circumferential direction of a rotating shaft, under the driving effect of a motor, the rotating shaft can drive the stirring wheels on the rotating shaft to correspondingly rotate, then continuous intermittent pressing can be conducted on a pressing rod, and therefore one-by-one interval pressing testing on keyboard keys can be achieved; and therefore, the accuracy of the keyboard key pressing test can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of keyboard testing, in particular to a keyboard key pressing testing device. Background Art

[0002] Keyboard key press test is an important means to measure the quality and performance of keyboards. By testing the force, travel, life and feedback force of keyboard keys, the durability and key feedback performance of the keyboard can be fully evaluated, thus ensuring the stability and reliability of the keyboard in actual use.

[0003] A keyboard key automatic testing device is disclosed on the Chinese Patent Network, and its authorization announcement number is CN220271396U. The patent includes a frame, a conveyor belt for conveying notebooks is installed at the bottom of the frame, an electric slide is fixedly connected to the top of the frame, an electric push rod is fixedly connected to the slider of the electric slide, and a test assembly is installed at the driving end of the electric push rod, and the test assembly includes a spring telescopic rod. Although the device can realize the press test of the keyboard keys by driving the test assembly downward by the electric push rod, the detection wheels are distributed at intervals along the axis of the detection roller, so that when the detection wheels perform the press test on the keyboard keys, multiple keys on the keyboard will be pressed at the same time. When a key on the keyboard is stuck or has poor contact, it is difficult to detect it in time and accurately, which leads to low accuracy of the keyboard key test.

[0004] Therefore, it is necessary to improve the above technical problems and propose an improved keyboard key pressing test device. Utility Model Content

[0005] In order to overcome the existing testing device for keyboard keys, which still has some defects in actual use, the technical problem to be solved is: to provide an improved keyboard key pressing testing device.

[0006] The technical scheme is: a keyboard key pressing test device, comprising a test bench, a mounting frame and a lifting mechanism, wherein a mounting frame is arranged on the top rear side of the test bench, a lifting mechanism is installed on the mounting frame, and a test assembly and a positioning assembly are also included, a test assembly for detecting the pressing of the keys of the keyboard is arranged on the connecting seat of the lifting mechanism, the test assembly comprises a shell, a motor, a rotating shaft, a toggle wheel, a pressing rod and an elastic member, the shell is installed on the connecting seat of the lifting mechanism, a motor is installed on the left side of the shell, a rotating shaft is rotatably passed through the middle of the shell, and the rotating shaft is connected to the motor The output shaft of the machine is connected, a row of toggle wheels are evenly spaced on the rotating shaft, and the toggle wheels are all located on the inner side of the shell, a pressing rod corresponding to the toggle wheel is movably penetrated on the lower side of the shell, and the rotation of the toggle wheel can squeeze the top of the pressing rod so that the pressing rod can move downward to press the keys of the keyboard, an elastic member is sleeved on the middle part of the pressing rod, and the upper end of the elastic member is connected to the outer wall of the lower side of the shell, and the lower end abuts against the convex ring in the middle part of the pressing rod, and a positioning component for clamping and limiting the keyboard is provided on the front side of the top of the test bench.

[0007] Furthermore, the positioning assembly includes a positioning block and a movable clamp. The positioning blocks are symmetrically arranged on the left and right sides of the middle of the top of the test bench, and a movable clamp for clamping and limiting the keyboard is arranged between the left and right sides of the front side of the top of the test bench.

[0008] Furthermore, the movable clamping part includes a clamping block, a bidirectional screw and a handwheel. The left and right sides of the front top of the test bench are respectively provided with sliding grooves, and the clamping block is horizontally slidably sleeved in the sliding groove. The bidirectional screw is rotatably penetrated through the front upper part of the test bench, and the lower part of the clamping block is threadedly connected to the bidirectional screw, and the right end of the bidirectional screw is connected to a handwheel.

[0009] Furthermore, the shifting wheel is arranged as an eccentric cam structure.

[0010] Furthermore, the shifting wheels are evenly spaced around the shaft in the axial and circumferential directions.

[0011] Furthermore, the lower end of each pressing rod is provided with a spherical head structure.

[0012] Furthermore, the positioning block is arranged in an L-shaped structure.

[0013] Furthermore, the lifting mechanism includes a cylinder, a guide rod and a connecting seat. The cylinder is installed on the top of the mounting frame, the end of the telescopic rod of the cylinder is connected to the connecting seat, the guide rod is arranged on the front side of the mounting frame, and the connecting seat is slidably connected to the guide rod.

[0014] The beneficial effects of the utility model are as follows: by means of the toggle wheels which are distributed in an axial and circumferential manner along the rotating shaft, under the driving action of the motor, the rotating shaft can drive the toggle wheels thereon to rotate accordingly, thereby being able to perform continuous intermittent pressing on the pressing rod, thereby being able to perform interval pressing tests on the keyboard keys one by one, thereby being beneficial to improving the accuracy of the keyboard key pressing test; by rotating the hand wheel, the bidirectional screw rod can drive the clamping blocks thereon to approach each other, thereby being able to achieve convenient clamping and fixing of keyboards of different models under the cooperation with the positioning block, with a simple structure and convenient use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0016] Figure 2 It is a three-dimensional structural schematic diagram of the test assembly of the utility model.

[0017] Figure 3 It is a cross-sectional view of the test assembly of the utility model.

[0018] Figure 4 It is a schematic diagram of the three-dimensional structure of the positioning component of the utility model.

[0019] Figure 5 The utility model is a schematic diagram of the connection structure between the clamping block and the bidirectional screw rod and the test bench.

[0020] The names and serial numbers of the parts in the figure are: 1_test bench, 100_slide, 2_mounting frame, 3_cylinder, 4_guide rod, 5_connecting seat, 6_housing, 7_motor, 8_rotating shaft, 9_toggle wheel, 10_pressing rod, 11_elastic part, 12_ball head, 13_positioning block, 14_clamping block, 15_bidirectional screw rod, 16_handwheel, a_keyboard. DETAILED DESCRIPTION

[0021] The utility model is described in detail below in conjunction with the accompanying drawings.

[0022] Embodiment: The utility model provides a keyboard key pressing test device, see Figure 1-Figure 5As shown, it includes a test bench 1, a mounting frame 2, a lifting mechanism, a test assembly and a positioning assembly. A mounting frame 2 is arranged on the top rear side of the test bench 1, and a lifting mechanism is installed on the mounting frame 2. The lifting mechanism includes a cylinder 3, a guide rod 4 and a connecting seat 5. A cylinder 3 is installed on the top of the mounting frame 2, and the end of the telescopic rod of the cylinder 3 is connected to the connecting seat 5. A guide rod 4 is arranged on the front side of the mounting frame 2, and the connecting seat 5 is slidably connected with the guide rod 4. By controlling the cylinder 3 to extend the length of the telescopic rod on it, it is beneficial to control the stroke of the pressing rod 10 on the test assembly to press the key of keyboard a, which is beneficial to test different items on the key a, and has strong practicality. A test assembly is arranged on the connecting seat 5, and the keys of keyboard a can be tested one by one through the test assembly, which is beneficial to improve the accuracy of the key test. The test assembly includes a shell 6, a motor 7, a rotating shaft 8, a toggle wheel 9, a pressing rod 10 and an elastic member 11, the shell 6 is installed on the connecting seat 5, a motor 7 is installed on the left side of the shell 6, a rotating shaft 8 is rotatably penetrated in the middle of the shell 6, and the rotating shaft 8 is connected to the output shaft of the motor 7, a row of toggle wheels 9 are evenly spaced on the rotating shaft 8, and the toggle wheels 9 are all located on the inner side of the shell 6, a pressing rod 10 corresponding to the toggle wheel 9 is movably penetrated on the lower side of the shell 6, and the toggle wheel 9 can squeeze the top of the pressing rod 10 when it rotates, a convex ring is sleeved in the middle of the pressing rod 10, an elastic member 11 is sleeved in the middle of the pressing rod 10, and the upper end of the elastic member 11 is connected to the outer wall of the lower side of the shell 6, and the lower end abuts against the convex ring in the middle of the pressing rod 10, the elastic member 11 is a tension spring, which is used to provide a pulling force for the pressing rod 10 to reset upward after being squeezed downward, and a positioning assembly is arranged on the front side of the top of the test bench 1.

[0023] For further information, see Figure 1 , Figure 4 and Figure 5 As shown, the positioning assembly includes a positioning block 13 and a movable clamping member. The positioning blocks 13 are symmetrically arranged on the left and right sides of the middle of the top of the test bench 1, and the positioning blocks 13 are arranged in an L-shaped structure, which is conducive to convenient positioning of keyboards a of different widths and lengths. The movable clamping member is arranged between the left and right sides of the front side of the top of the test bench 1.

[0024] For further information, see Figure 1 , Figure 4 and Figure 5As shown, the movable clamping member includes a clamping block 14, a bidirectional screw rod 15 and a hand wheel 16. Slide grooves 100 are respectively provided on the left and right sides of the front top of the test bench 1. The clamping block 14 is horizontally slidably sleeved in the slide groove 100. The bidirectional screw rod 15 is rotatably penetrated on the front upper part of the test bench 1, and the lower part of the clamping block 14 is threadedly sleeved with the bidirectional screw rod 15. The right end of the bidirectional screw rod 15 is connected to the hand wheel 16. By rotating the hand wheel 16 forward or reversely, the two clamping blocks 14 can be conveniently controlled to be retracted or expanded with each other, which is conducive to convenient clamping and limiting of keyboards a of different models.

[0025] For further information, see Figure 3 As shown, the toggle wheel 9 is arranged as an eccentric cam structure, so that it can intermittently squeeze the corresponding pressing rod 10, and the toggle wheel 9 is evenly spaced along the axial and circumferential directions of the rotating shaft 8, which is beneficial to perform interval pressing tests on the keys of the keyboard a one by one, and is beneficial to improve the accuracy of the pressing test of each key.

[0026] In addition, see Figure 3 As shown, the lower end of each pressing rod 10 is provided with a spherical head 12 structure, which is conducive to smooth contact with the keyboard a key to avoid scratching or wearing the key.

[0027] The keyboard a to be tested is placed between the two positioning blocks 13. Initially, the clamping blocks 14 are located at the outermost sides of the slide grooves 100. Then, by turning the hand wheel 16, the bidirectional screw rod 15 can drive the clamping blocks 14 thereon to interact and approach each other, so as to realize convenient clamping and fixing of keyboards a of different models, so as to avoid displacement when the keyboard a is pressed and tested. When the keyboard a is fixed, the cylinder 3 is controlled to make the pressing rod 10 drop to a suitable position, and then the motor 7 is started to run, so that the rotating shaft 8 can drive the toggle wheel 9 thereon to rotate accordingly. When the toggle wheel 9 is squeezed and matched with the pressing rod 10 thereunder in turn, the keys on the keyboard a can be pressed and tested one by one at intervals. In this way, each key can be tested accurately, which is beneficial to improve the accuracy of the key pressing test of the keyboard a.

[0028] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A keyboard key pressing test device, comprising a test bench (1), a mounting frame (2) and a lifting mechanism, wherein the test bench (1) is provided with a mounting frame (2) at the top rear side, and the mounting frame (2) is provided with a lifting mechanism, characterized in that: The device also comprises a testing component and a positioning component. The connecting seat (5) of the lifting mechanism is provided with a testing component for detecting the pressing of the keys of the keyboard (a). The testing component comprises a housing (6), a motor (7), a rotating shaft (8), a toggle wheel (9), a pressing rod (10) and an elastic member (11). The housing (6) is installed on the connecting seat (5) of the lifting mechanism. The motor (7) is installed on the left side of the housing (6). A rotating shaft (8) is rotatably provided in the middle of the housing (6). The rotating shaft (8) is connected to the output shaft of the motor (7). A row of toggle wheels (9) are evenly spaced on the rotating shaft (8). The wheels (9) are all located on the inner side of the shell (6); a pressing rod (10) corresponding to the toggle wheel (9) is movably provided on the lower side of the shell (6); and the toggle wheel (9) can be rotated to squeeze the top end of the pressing rod (10) so that the pressing rod (10) can move downward to press the keys of the keyboard (a); an elastic member (11) is sleeved on the middle part of the pressing rod (10); and the upper end of the elastic member (11) is connected to the outer wall of the lower side of the shell (6), and the lower end is abutted against the convex ring in the middle part of the pressing rod (10); and a positioning component for clamping and limiting the keyboard (a) is provided on the front side of the top of the test bench (1).

2. A keyboard key pressing test device according to claim 1, characterized in that: The test assembly comprises a positioning block (13) and a movable clamping member, wherein the positioning blocks (13) are symmetrically arranged on the left and right sides of the middle of the top of the test bench (1), and a movable clamping member for clamping and limiting the keyboard (a) is arranged between the left and right sides of the front side of the top of the test bench (1).

3. A keyboard key pressing test device according to claim 2, characterized in that: The movable clamping member comprises a clamping block (14), a bidirectional screw rod (15) and a hand wheel (16). The left and right sides of the front top of the test bench (1) are respectively provided with a slide groove (100). The clamping block (14) is horizontally slidably sleeved in the slide groove (100). The bidirectional screw rod (15) is rotatably penetrated through the front top of the test bench (1). The lower part of the clamping block (14) is threadedly sleeved with the bidirectional screw rod (15). The right end of the bidirectional screw rod (15) is connected to the hand wheel (16).

4. A keyboard key pressing test device according to claim 1, characterized in that: The toggle wheel (9) is arranged in an eccentric cam structure.

5. A keyboard key pressing test device according to claim 4, characterized in that: The shifting wheels (9) are evenly spaced and distributed in an axial and circumferential manner along the rotating shaft (8).

6. A keyboard key pressing test device according to claim 1, characterized in that: The lower end of each pressing rod (10) is provided with a spherical head (12) structure.

7. A keyboard key pressing test device according to claim 2, characterized in that: The positioning block (13) is arranged in an L-shaped structure.

8. A keyboard key pressing test device according to claim 1, characterized in that: The lifting mechanism comprises a cylinder (3), a guide rod (4) and a connecting seat (5); the cylinder (3) is installed on the top of the mounting frame (2); the end of the telescopic rod of the cylinder (3) is connected to the connecting seat (5); the guide rod (4) is arranged on the front side of the mounting frame (2), and the connecting seat (5) is slidably connected to the guide rod (4).

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