Height-adjustable computer keyboard

Abstract

The utility model discloses a height-adjustable computer keyboard, which relates to the technical field of computer keyboard devices and comprises a keyboard, a mounting plate sleeved on the outer side of the keyboard, supporting columns arranged at four corners of the bottom end of the mounting plate, sleeves sleeved on the outer sides of the supporting columns, a base arranged at the bottom end of the sleeves, and a sliding groove arranged in the middle of the bottom end of the mounting plate. The bottom ends of the sliding blocks are rotatably connected with the upper ends of adjusting rods, the lower ends of the adjusting rods are rotatably connected to the upper portion of the base, a first rotating shaft is arranged at one end of the keyboard, and threaded limiting rods are arranged on the two sides of the end, away from the first rotating shaft, of the mounting plate; the height of the mounting plate is increased or decreased through synchronous rotation of one ends of the two adjusting rods, so that the height of the keyboard is adjusted, the angle of the keyboard can be adjusted through rotation of the first rotating shaft, and the comfort level of a user is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of computer keyboard devices, in particular to a computer keyboard with adjustable height. Background Art

[0002] A keyboard is a device for inputting commands and data to operate computer equipment. It also refers to a group of function keys (such as a typewriter or computer keyboard) that are systematically arranged to operate a machine or device. A keyboard helps in practicing typing. Through the keyboard, English letters, numbers, punctuation marks, etc. can be input into the computer, thereby issuing commands to the computer and inputting data.

[0003] Most of the existing computer keyboards are only equipped with a reversible support plate to support one side of the keyboard for easy use, and the height of the keyboard cannot be adjusted. If the user is tall, it will be very inconvenient, affecting the user's input speed and reducing the user's comfort.

[0004] In view of the above problems, the utility model provides a computer keyboard with adjustable height. Utility Model Content

[0005] The utility model aims to provide a computer keyboard with adjustable height. The base is stably placed on a desktop, and then the handle is rotated to drive the worm to rotate, the rotation of the worm drives the worm wheel to rotate, the rotation of the worm wheel drives the bidirectional threaded screw to rotate, the rotation of the bidirectional threaded screw drives two sliders to make synchronous movements toward or away from each other, the movement of the two sliders drives one end of two adjusting rods to rotate synchronously, the one end of the two adjusting rods moves synchronously to raise or lower the height of the mounting plate, so as to adjust the height of the keyboard, the support rod at the bottom of the mounting plate plays a role of stable support when the mounting plate is raised, and prevents the keyboard from being too high and easily tipping over, the first rotating shaft can be rotated to adjust the angle of the keyboard, and the threaded limit rod can limit the keyboard to a suitable tilt angle, thereby improving the comfort of the user, thereby solving the problems in the background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a computer keyboard with adjustable height, comprising a keyboard, a mounting plate sleeved on the outer side of the keyboard, support columns arranged at the four corners of the bottom end of the mounting plate, a sleeve sleeved on the outer side of the support column, a base arranged at the bottom end of the sleeve, a slide groove opened in the middle of the bottom end of the mounting plate, two mutually symmetrical sliders arranged inside the slide groove, the sliders can synchronously move toward or away from each other in the horizontal direction, the bottom end of the slider is rotatably connected to the upper end of the adjusting rod, the lower end of the adjusting rod is rotatably connected to the top of the base, a first rotating shaft is arranged at one end of the keyboard, and threaded limit rods are arranged on both sides of one end of the mounting plate away from the first rotating shaft.

[0007] Furthermore, a spring is arranged inside the sleeve, one end of the spring is fixedly connected to the inner bottom surface of the sleeve, and the other end of the spring is fixedly connected to the bottom end of the support column.

[0008] Furthermore, a bidirectional threaded screw is arranged inside the slide groove, the bidirectional threaded screw is threadedly connected to the two sliders, and the two ends of the bidirectional threaded screw are rotatably connected to the inner walls at both ends of the slide groove through bearings.

[0009] Furthermore, the bottom end of the slider is fixedly connected to the first U-shaped frame, a second rotating shaft is arranged inside the first U-shaped frame, two ends of the second rotating shaft are rotatably connected to the inner wall of the first U-shaped frame through bearings, the upper end of the adjusting rod is fixedly connected to the second rotating shaft, the middle part of the base is fixedly connected to the second U-shaped frame, two mutually symmetrical third rotating shafts are arranged inside the second U-shaped frame, two ends of the third rotating shaft are rotatably connected to the inner wall of the second U-shaped frame through bearings, and the third rotating shaft is fixedly connected to the lower end of the adjusting rod.

[0010] Furthermore, a groove is opened at a position corresponding to one end of the slide groove at the bottom end of the mounting plate, one end of the bidirectional threaded screw extends outward into the groove, a worm gear is fixedly installed at the end of the bidirectional threaded screw entering the groove, the worm gear is meshed and connected to the worm gear at the bottom, two ends of the worm gear are rotatably connected to the inner wall of the groove through bearings, one end of the worm gear extends outward to the outside of the mounting plate, and a handle is fixedly installed at the outer end of the worm gear.

[0011] Furthermore, a mounting groove is opened at the upper end of the mounting plate, and the inner side of the mounting groove is rotatably connected to the two ends of the first rotating shaft through a bearing. A number of evenly distributed threaded holes are opened on both sides of the mounting plate in the vertical direction. The threaded holes are away from the first rotating shaft and communicate with the inside of the mounting groove, and the threaded holes are adapted to threaded limit rods.

[0012] Furthermore, a non-slip pad is attached to the bottom end surface of the base.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] The utility model provides a computer keyboard with adjustable height. When in use, the base is first placed stably on the desktop, and then the handle is turned to drive the worm to rotate, the rotation of the worm drives the worm wheel to rotate, the rotation of the worm wheel drives the bidirectional threaded screw to rotate, the rotation of the bidirectional threaded screw drives two sliders to make synchronous movements toward or away from each other, the movement of the two sliders drives one end of two adjustment rods to rotate synchronously, the one end of the two adjustment rods rotates synchronously to raise or lower the height of the mounting plate, so as to adjust the height of the keyboard, the support rod at the bottom of the mounting plate plays a role of stable support when the mounting plate is raised, and prevents the keyboard from being easily overturned due to excessive height, and the purpose of such design is to place the base stably Place it on the desktop, then turn the handle to drive the worm to rotate, the rotation of the worm drives the worm wheel to rotate, the rotation of the worm wheel drives the bidirectional threaded screw to rotate, the rotation of the bidirectional threaded screw drives the two sliders to move toward or away from each other synchronously, the movement of the two sliders drives the synchronous rotation of one end of the two adjusting rods, the synchronous rotation of one end of the two adjusting rods raises or lowers the height of the mounting plate, thereby adjusting the height of the keyboard, the support rod at the bottom of the mounting plate plays a role of stable support when the mounting plate is raised, to prevent the keyboard from being too high and easy to tip over, the rotation of the first rotating shaft can adjust the angle of the keyboard, and the threaded limit rod can limit the keyboard to a suitable tilt angle, thereby improving the comfort of the user. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the internal structure of the slideway in the utility model;

[0017] Figure 3 It is a structural schematic diagram of the spring in the utility model;

[0018] Figure 4 It is a structural schematic diagram of the worm in the utility model;

[0019] Figure 5 It is a structural schematic diagram of the adjusting rod in the utility model.

[0020] In the figure: 1. keyboard; 2. mounting plate; 3. mounting slot; 4. first rotating shaft; 5. threaded hole; 6. threaded limit rod; 7. slide groove; 8. slider; 9. bidirectional threaded screw; 10. groove; 11. worm gear; 12. worm; 13. handle; 14. first U-shaped frame; 15. second rotating shaft; 16. adjustment rod; 17. second U-shaped frame; 18. third rotating shaft; 19. support column; 20. sleeve; 21. spring; 22. base; 23. anti-slip pad. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] In order to solve the technical problem that the keyboard height cannot be adjusted arbitrarily, affecting the input speed and reducing the user's comfort, such as Figure 1-5 As shown, the following preferred technical solutions are provided:

[0023] A computer keyboard with adjustable height comprises a keyboard 1, a mounting plate 2 is sleeved on the outer side of the keyboard 1, support columns 19 are arranged at the four corners of the bottom end of the mounting plate 2, a sleeve 20 is sleeved on the outer side of the support column 19, a base 22 is arranged at the bottom end of the sleeve 20, a slide groove 7 is opened in the middle of the bottom end of the mounting plate 2, two symmetrical sliders 8 are arranged inside the slide groove 7, the sliders 8 can make synchronous movements towards or away from each other in the horizontal direction, the bottom end of the slider 8 is rotatably connected to the upper end of the adjusting rod 16, the lower end of the adjusting rod 16 is rotatably connected to the top of the base 22, one end of the keyboard 1 is arranged with a first rotating shaft 4, and threaded limit rods 6 are arranged on both sides of the end of the mounting plate 2 away from the first rotating shaft 4.

[0024] Specifically, when in use, first place the base 22 stably on the desktop, then turn the handle 13 to drive the worm 12 to rotate, the rotation of the worm 12 drives the worm wheel 11 to rotate, the rotation of the worm wheel 11 drives the bidirectional threaded screw 9 to rotate, the rotation of the bidirectional threaded screw 9 drives the two sliders 8 to move synchronously toward or away from each other, the movement of the two sliders 8 drives one end of the two adjusting rods 16 to rotate synchronously, and the synchronous rotation of one end of the two adjusting rods 16 raises or lowers the height of the mounting plate 2, thereby adjusting the height of the keyboard 1, and the support column 19 at the bottom of the mounting plate 2 plays a role of stable support when the mounting plate 2 is raised, to prevent the keyboard 1 from being too high and easily tipping over. The purpose of this design is to place the base 22 stably on the desktop, and then turn The movable handle 13 drives the worm 12 to rotate, the rotation of the worm 12 drives the worm wheel 11 to rotate, the rotation of the worm wheel 11 drives the bidirectional threaded screw 9 to rotate, the rotation of the bidirectional threaded screw 9 drives the two sliders 8 to make synchronous movement toward or away from each other, the movement of the two sliders 8 drives the synchronous rotation of one end of the two adjusting rods 16, the synchronous rotation of one end of the two adjusting rods 16 causes the height of the mounting plate 2 to be raised or lowered, thereby adjusting the height of the keyboard 1, the support column 19 at the bottom of the mounting plate 2 plays a role of stable support when the mounting plate 2 is raised, to prevent the keyboard 1 from being too high and easily tipping over, the first rotating shaft 4 can adjust the angle of the keyboard 1 by rotating, the threaded limit rod 6 can limit the keyboard 1 to a suitable tilt angle, thereby improving the comfort of the user.

[0025] Further, such as Figure 1 and Figure 3 As shown, the following preferred technical solutions are provided:

[0026] A spring 21 is arranged inside the sleeve 20, one end of the spring 21 is fixedly connected to the inner bottom surface of the sleeve 20, and the other end of the spring 21 is fixedly connected to the bottom end of the support column 19. The purpose of this design is to provide elastic support to the support column 19 through the spring 21, so that the keyboard 1 can be placed more stably.

[0027] Further, such as Figure 2 As shown, the following preferred technical solutions are provided:

[0028] A bidirectional threaded screw 9 is arranged inside the slide groove 7, and the bidirectional threaded screw 9 is threadedly connected to the two sliders 8. The two ends of the bidirectional threaded screw 9 are rotatably connected to the inner walls at both ends of the slide groove 7 through bearings. The purpose of this design is to drive the two sliders 8 to move toward or away from each other synchronously through the rotation of the bidirectional threaded screw 9.

[0029] Further, such as Figure 2 and Figure 5 As shown, the following preferred technical solutions are provided:

[0030] The bottom end of the slider 8 is fixedly connected to the first U-shaped frame 14, and a second rotating shaft 15 is arranged inside the first U-shaped frame 14. Both ends of the second rotating shaft 15 are rotatably connected to the inner wall of the first U-shaped frame 14 through bearings. The upper end of the adjusting rod 16 is fixedly connected to the second rotating shaft 15. The middle part of the base 22 is fixedly connected to the second U-shaped frame 17. Two mutually symmetrical third rotating shafts 18 are arranged inside the second U-shaped frame 17. Both ends of the third rotating shaft 18 are rotatably connected to the inner wall of the second U-shaped frame 17 through bearings. The third rotating shaft 18 is fixedly connected to the lower end of the adjusting rod 16. The purpose of such design is to drive the two first U-shaped frames 14 to move toward or away synchronously by the two sliders 8, so that the upper ends of the two adjusting rods 16 rotate synchronously around the lower end of the adjusting rod 16 to adjust the height of the keyboard 1.

[0031] Further, such as Figure 1 and Figure 4 As shown, the following preferred technical solutions are provided:

[0032] A groove 10 is provided at a position at the bottom of the mounting plate 2 corresponding to one end of the slide groove 7, one end of the bidirectional threaded screw 9 extends outwardly into the interior of the groove 10, a worm wheel 11 is fixedly installed at one end of the bidirectional threaded screw 9 entering the groove 10, the lower part of the worm wheel 11 is meshedly connected to a worm 12, both ends of the worm 12 are rotatably connected to the inner wall of the groove 10 through bearings, one end of the worm 12 extends outwardly to the outside of the mounting plate 2, a handle 13 is fixedly installed at the outer end of the worm 12, the purpose of such design is to drive the worm 12 to rotate by the handle 13, the rotation of the worm 12 drives the worm wheel 11 to rotate, thereby driving the bidirectional threaded screw 9 to rotate.

[0033] Further, such as Figure 1 As shown, the following preferred technical solutions are provided:

[0034] A mounting groove 3 is provided at the upper end of the mounting plate 2, and the inner side of the mounting groove 3 is rotatably connected to the two ends of the first rotating shaft 4 through a bearing. A number of evenly distributed threaded holes 5 are provided on both sides of the mounting plate 2 in a vertical direction. The threaded holes 5 are away from the first rotating shaft 4 and communicate with the inside of the mounting groove 3. The threaded holes 5 are adapted to threaded limit rods 6. The purpose of such design is to adjust the angle of the keyboard 1 by rotating the first rotating shaft 4. The threaded limit rods 6 are inserted into appropriate threaded holes 5 to limit the keyboard 1 to a suitable tilt angle, thereby improving the comfort of the user.

[0035] Further, such as Figure 1 As shown, the following preferred technical solutions are provided:

[0036] An anti-skid pad 23 is attached to the bottom end surface of the base 22. The purpose of this design is to increase the friction between the keyboard 1 and the desktop through the anti-skid pad 23, so as to prevent the keyboard 1 from being displaced during use and affecting normal use.

[0037] To sum up: when in use, first place the base 22 stably on the desktop, then turn the handle 13 to drive the worm 12 to rotate, the rotation of the worm 12 drives the worm wheel 11 to rotate, the rotation of the worm wheel 11 drives the bidirectional threaded screw 9 to rotate, the rotation of the bidirectional threaded screw 9 drives the two sliders 8 to move synchronously toward or away from each other, the movement of the two sliders 8 drives one end of the two adjusting rods 16 to rotate synchronously, the synchronous rotation of one end of the two adjusting rods 16 raises or lowers the height of the mounting plate 2, thereby adjusting the height of the keyboard 1, the support column 19 at the bottom of the mounting plate 2 plays a role of stable support when the mounting plate 2 is raised, to prevent the keyboard 1 from being too high and easily tipping over, the purpose of this design is to place the base 22 stably on the desktop, and then Rotating the handle 13 drives the worm 12 to rotate, the rotation of the worm 12 drives the worm wheel 11 to rotate, the rotation of the worm wheel 11 drives the bidirectional threaded screw 9 to rotate, the rotation of the bidirectional threaded screw 9 drives the two sliders 8 to move synchronously toward or away from each other, the movement of the two sliders 8 drives the synchronous rotation of one end of the two adjusting rods 16, the synchronous rotation of one end of the two adjusting rods 16 causes the height of the mounting plate 2 to be raised or lowered, thereby adjusting the height of the keyboard 1, the support column 19 at the bottom of the mounting plate 2 plays a role of stable support when the mounting plate 2 is raised, to prevent the keyboard 1 from being too high and easily tipping over, the first rotating shaft 4 can adjust the angle of the keyboard 1 by rotating, the threaded limit rod 6 can limit the keyboard 1 to a suitable tilt angle, thereby improving the comfort of the user.

[0038] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0039] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A computer keyboard with adjustable height, comprising a keyboard (1), characterized in that: The keyboard (1) is sleeved with a mounting plate (2) on the outer side, and support columns (19) are arranged at the four corners of the bottom end of the mounting plate (2). A sleeve (20) is sleeved on the outer side of the support column (19), and a base (22) is arranged at the bottom end of the sleeve (20). A slide groove (7) is provided in the middle of the bottom end of the mounting plate (2), and two mutually symmetrical sliders (8) are arranged inside the slide groove (7). The sliders (8) can move synchronously towards or away from each other in the horizontal direction. The bottom end of the slider (8) is rotatably connected to the upper end of the adjustment rod (16), and the lower end of the adjustment rod (16) is rotatably connected to the top of the base (22). A first rotating shaft (4) is arranged at one end of the keyboard (1), and threaded limit rods (6) are arranged on both sides of the end of the mounting plate (2) away from the first rotating shaft (4).

2. A height-adjustable computer keyboard according to claim 1, characterized in that: A spring (21) is arranged inside the sleeve (20), one end of the spring (21) is fixedly connected to the inner bottom surface of the sleeve (20), and the other end of the spring (21) is fixedly connected to the bottom end of the support column (19).

3. The height-adjustable computer keyboard according to claim 1, characterized in that: A bidirectional threaded screw (9) is arranged inside the slide groove (7), the bidirectional threaded screw (9) is threadedly connected to two sliders (8), and the two ends of the bidirectional threaded screw (9) are rotatably connected to the inner walls at both ends of the slide groove (7) through bearings.

4. The height-adjustable computer keyboard according to claim 1, characterized in that: The bottom end of the slider (8) is fixedly connected to a first U-shaped frame (14); a second rotating shaft (15) is arranged inside the first U-shaped frame (14); two ends of the second rotating shaft (15) are rotatably connected to the inner wall of the first U-shaped frame (14) through bearings; the upper end of the adjusting rod (16) is fixedly connected to the second rotating shaft (15); the middle part of the base (22) is fixedly connected to a second U-shaped frame (17); two third rotating shafts (18) symmetrical to each other are arranged inside the second U-shaped frame (17); two ends of the third rotating shaft (18) are rotatably connected to the inner wall of the second U-shaped frame (17) through bearings; and the third rotating shaft (18) is fixedly connected to the lower end of the adjusting rod (16).

5. The height-adjustable computer keyboard according to claim 1, characterized in that: A groove (10) is provided at a position at the bottom end of the mounting plate (2) corresponding to one end of the slide groove (7); one end of the bidirectional threaded screw (9) extends outwardly into the groove (10); a worm wheel (11) is fixedly installed at one end of the bidirectional threaded screw (9) entering the groove (10); a worm (12) is meshedly connected to the bottom of the worm wheel (11); two ends of the worm (12) are rotatably connected to the inner wall of the groove (10) through bearings; one end of the worm (12) extends outwardly to the outside of the mounting plate (2); and a handle (13) is fixedly installed at the outer end of the worm (12).

6. The height-adjustable computer keyboard according to claim 1, characterized in that: The upper end of the mounting plate (2) is provided with a mounting groove (3), the inner side of the mounting groove (3) is rotatably connected to the two ends of the first rotating shaft (4) through a bearing, and a plurality of evenly distributed threaded holes (5) are provided on both sides of the mounting plate (2) in a vertical direction, the threaded holes (5) are away from the first rotating shaft (4) and communicate with the inside of the mounting groove (3), and the threaded holes (5) are adapted to the threaded limiting rods (6).

7. The height-adjustable computer keyboard according to claim 1, characterized in that: An anti-slip pad (23) is attached to the bottom end surface of the base (22).

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