Foot-operated computer keyboard for the disabled

Abstract

The invention discloses a foot-type computer keyboard for a disabled person, belonging to the field of computer accessories. The foot-type computer keyboard for a disabled person comprises a keyboard body, wherein a height adjustment plate is fixedly connected to the lower end of the keyboard body, a limit plate is arranged on the right side of the height adjustment plate, the limit plate is fixedly connected to the lower end of the keyboard body, two fixed base blocks are arranged between the height adjustment plate and the limit plate, the two fixed base blocks are fixedly connected to the height adjustment plate and the limit plate respectively, two support rod through holes are arranged in the fixed base block, adjustable feet are slidably connected in the support rod through holes, a connecting cross bar is fixedly connected between the adjustable feet on the lower side of the height adjustment plate and the adjustable feet on the lower side of the limit plate, a rubber soft block is driven upward by pressing a pedal control plate, and a rotating power arm folding rod drives the adjustable feet to move up and down in the fixed base block, thereby adjusting the height of the keyboard, so that it is convenient for a disabled user to adjust the height of the keyboard.

Description

Technical Field

[0001] The invention relates to the field of computer accessories, and more particularly to a foot-type computer keyboard for the disabled. Background Art

[0002] Disabled persons refer to those who have lost or have abnormal tissues or functions in their psychology, physiology, or body structure, and have completely or partially lost the ability to engage in certain activities in a normal way. Disabled persons include those with visual impairments, hearing impairments, speech disabilities, limb disabilities, intellectual disabilities, mental disabilities, multiple disabilities and other disabilities. The disability standards are determined by the State Council.

[0003] The disadvantage of the existing foot-type computer keyboard for the disabled is that the height adjustment method of the foot-type computer keyboard is complicated, and it is very inconvenient for the disabled to complete it independently. Summary of the invention

[0004] In view of the problems existing in the prior art, the object of the present invention is to provide a foot-type computer keyboard for disabled users, which can facilitate disabled users to adjust the keyboard height.

[0005] To solve the above problems, the present invention adopts the following technical scheme: the disabled foot-type computer keyboard of the present invention comprises a keyboard body, a height adjustment plate is fixedly connected to the lower end of the keyboard body, a limit plate is arranged on the right side of the height adjustment plate, the limit plate is fixedly connected to the lower end of the keyboard body, two fixed base blocks are arranged between the height adjustment plate and the limit plate, the two fixed base blocks are respectively fixedly connected to the height adjustment plate and the limit plate, two support rod through holes are arranged in the fixed base block, adjustable feet are slidably connected in the support rod through holes, a connecting cross bar is fixedly connected between the adjustable feet on the lower side of the height adjustment plate and the adjustable feet on the lower side of the limit plate, a center rotating hole is arranged in the middle of the height adjustment plate, a center rotating shaft rod is arranged in the center rotating hole, the center rotating shaft rod is rotatably connected to the height adjustment plate, a driving rotating gear is sleeved on one end of the center rotating shaft rod close to the height adjustment plate, a driven rotating gear is meshedly connected to the front end of the driving rotating gear, the driven rotating gear is fixedly connected to the height adjustment plate, and the driving rotating gear and the driven rotating gear are fixedly connected to the height adjustment plate. The outer sides of the rotating gears are provided with vertical gear rods, which are respectively meshed and connected with the active rotating gear and the driven rotating gear, and the lower ends of the vertical gear rods are fixedly connected with the adjustable support feet, and the end of the central rotating shaft rod away from the active rotating gear is fixedly connected with the powerful arm folding rod, a long hole of a swing rod is provided in the middle of the limiting plate, a swing rod rotating shaft is provided in the long hole of the swing rod, and the swing rod rotating shaft is fixedly connected with the limiting plate, a horizontal swing cross bar is provided in the long hole of the swing rod, a swing rod rotating hole is provided in the middle of the horizontal swing cross bar, and the swing rod rotating hole is parallel to the swing rod rotating shaft. Matching, the horizontal swing bar is rotatably connected with the swing bar shaft through the swing bar rotation hole, the left end of the horizontal swing bar is fixedly connected with a rubber block, the right end of the horizontal swing bar is fixedly connected with a foot control plate, the upper end of the horizontal swing bar is fixedly connected with a tension spring, and the upper end of the tension spring is fixedly connected to the keyboard body. The rubber block is driven upward by pressing the foot control plate, and the rotating power arm folding rod drives the adjustable support foot to move up and down in the fixed base block, thereby adjusting the height of the keyboard, which can facilitate disabled users to adjust the height of the keyboard.

[0006] Preferably, a double-sided gel layer is fixedly connected to the upper end of the foot control panel, and a smooth glass plate is fixedly connected to the upper end of the double-sided gel layer. The provision of the smooth glass plate reduces the possibility of the foot control panel being contaminated with mud, thereby facilitating the cleaning of the foot control panel.

[0007] Preferably, a stabilizing bracket is fixedly connected to the lower end of the height adjustment plate, a stabilizing square ring is sleeved on the adjustable foot, and the stabilizing square ring is fixedly connected to the stabilizing bracket. The stabilizing square ring and the stabilizing bracket facilitate enhancing the stability of the adjustable foot during operation.

[0008] Preferably, a rotating sleeve is rotatably connected to the force arm folding rod, and a lifting folding rod is fixedly connected to the upper end of the rotating sleeve. By rotating the sleeve and pulling the lifting folding rod, the force arm folding rod can be moved, thereby facilitating the operation of the adjustable support foot.

[0009] Compared with the prior art, the advantages of the present invention are:

[0010] (1) In this solution, a tension spring is fixedly connected to the upper end of the horizontal swing bar, and the upper end of the tension spring is fixedly connected to the keyboard body. By pressing the foot control panel to drive the rubber block to move up, the turning power arm folding rod drives the adjustable support foot to move up and down in the fixed base block, thereby adjusting the height of the keyboard, which can facilitate disabled users to adjust the height of the keyboard.

[0011] (2) A double-sided gel layer is fixedly connected to the upper end of the foot control panel, and a smooth glass plate is fixedly connected to the upper end of the double-sided gel layer. The smooth glass plate can reduce the possibility of the foot control panel being contaminated with mud, thereby facilitating the cleaning of the foot control panel.

[0012] (3) A stabilizing bracket is fixedly connected to the lower end of the height adjustment plate, and a stabilizing square ring is sleeved on the adjustable foot. The stabilizing square ring is fixedly connected to the stabilizing bracket. The stabilizing square ring and the stabilizing bracket can enhance the stability of the adjustable foot during operation.

[0013] (4) A rotating sleeve is rotatably connected to the lever arm folding rod, and an upper lifting folding rod is fixedly connected to the upper end of the rotating sleeve. By rotating the sleeve and pulling the upper lifting folding rod, the lever arm folding rod can be moved, thereby facilitating the operation of the adjustable support leg. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the present invention;

[0015] Figure 2 It is a structural schematic diagram of the height adjustment plate part of the present invention;

[0016] Figure 3 It is a schematic structural diagram of the limiting plate part of the present invention.

[0017] In the figure: 1 keyboard body, 2 height adjustment plate, 3 limit plate, 4 fixed base block, 5 adjustable support foot, 6 connecting cross bar, 7 center shaft rod, 8 active rotating gear, 9 driven rotating gear, 10 vertical gear rod, 11 force arm folding rod, 12 rocker rod long hole, 13 rocker rod shaft, 14 horizontal swing cross bar, 15 rubber soft block, 16 foot control board, 17 tension spring, 18 stable bracket, 19 stable square ring, 20 rotating sleeve, 21 lifting folding rod. DETAILED DESCRIPTION

[0018] The following will combine the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all the embodiments. All other embodiments obtained by ordinary technicians in this field without creative work based on the embodiments of the present invention belong to the scope of protection of the present invention.

[0019] In the description of the present invention, it should be noted that the terms "upper", "lower", "inside", "outside", "top / bottom" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0020] Example 1

[0021] like Figure 1-3As shown, the disabled foot-type computer keyboard of the present invention comprises a keyboard body 1, a height adjustment plate 2 is fixedly connected to the lower end of the keyboard body 1, a limit plate 3 is arranged on the right side of the height adjustment plate 2, the limit plate 3 is fixedly connected to the lower end of the keyboard body 1, two fixed base blocks 4 are arranged between the height adjustment plate 2 and the limit plate 3, the two fixed base blocks 4 are respectively fixedly connected to the height adjustment plate 2 and the limit plate 3, two support rod through holes are arranged in the fixed base blocks 4, adjustable legs 5 are slidably connected in the support rod through holes, a connecting cross bar 6 is fixedly connected between the adjustable legs 5 on the lower side of the height adjustment plate 2 and the adjustable legs 5 on the lower side of the limit plate 3, a center rotating hole is arranged in the middle of the height adjustment plate 2, a center rotating shaft rod 7 is arranged in the center rotating hole, and the center rotating shaft The rod 7 is rotatably connected with the height adjustment plate 2, and a driving gear 8 is sleeved on one end of the central rotating shaft rod 7 close to the height adjustment plate 2. A driven gear 9 is meshedly connected to the front end of the driving gear 8, and the driven gear 9 is fixedly connected to the height adjustment plate 2. A vertical gear rod 10 is provided on the outer sides of the driving gear 8 and the driven gear 9, respectively. The vertical gear rod 10 is meshedly connected with the driving gear 8 and the driven gear 9, and the lower end of the vertical gear rod 10 is fixedly connected with the adjustable foot 5. The driving gear 8 is driven to rotate by rotating the central rotating shaft rod 7, and the driving gear 8 drives the driven gear 9 meshed therewith to rotate. At the same time, the driving gear 8 drives the movement of the vertical gear rod 10, and then drives the movement of the adjustable foot 5, so as to realize the height adjustment of the keyboard. The degree of adjustment, the end of the central rotating shaft rod 7 away from the active rotating gear 8 is fixedly connected with the powerful arm folding rod 11, the middle of the limiting plate 3 is provided with a swing rod long hole 12, the swing rod long hole 12 is provided with a swing rod rotating shaft 13, the swing rod rotating shaft 13 is fixedly connected with the limiting plate 3, the swing rod long hole 12 is provided with a horizontal swing cross bar 14, the horizontal swing cross bar 14 is provided with a swing rod rotating hole in the middle, the swing rod rotating hole is matched with the swing rod rotating shaft 13, the horizontal swing cross bar 14 is rotatably connected with the swing rod rotating shaft 13 through the swing rod rotating hole, the left end of the horizontal swing cross bar 14 is fixedly connected with a rubber soft block 15, when the rubber soft block 15 moves down, it is stuck between the active rotating gear 8 and the driven rotating gear 9, so as to limit the rotation of the active rotating gear 8 and the driven rotating gear 9, thereby fixing the position of the adjustable support foot 5, and the horizontal swing cross bar 14 is fixed with the horizontal swing cross bar 14. The right end of the rod 14 is fixedly connected with a pedal control plate 16, which is convenient for the user to operate the rubber soft block 15. The upper end of the horizontal swing bar 14 is fixedly connected with a tension spring 17, and the upper end of the tension spring 17 is fixedly connected to the keyboard body 1. The right end of the horizontal swing bar 14 is pulled up by the tension spring 17, and then the rubber soft block 15 is driven to move down and stuck between the active rotating gear 8 and the driven rotating gear 9, thereby limiting the rotation of the active rotating gear 8 and the driven rotating gear 9, and then limiting the displacement of the adjustable support foot 5. By pressing the pedal control plate 16 to drive the rubber soft block 15 to move up, the rotating power arm folding rod 11 drives the adjustable support foot 5 to move up and down in the fixed base block 4, thereby adjusting the height of the keyboard, which can facilitate disabled users to adjust the height of the keyboard.

[0022] A double-sided gel layer is fixedly connected to the upper end of the foot control panel 16, and a smooth glass plate is fixedly connected to the upper end of the double-sided gel layer. The smooth glass plate can reduce the contamination of sludge on the foot control panel 16, so as to keep the foot control panel 16 clean. A stable bracket 18 is fixedly connected to the lower end of the height adjustment plate 2. A stable square ring 19 is sleeved on the adjustable foot 5, and the stable square ring 19 is fixedly connected to the stable bracket 18. The stable square ring 19 and the stable bracket 18 can enhance the stability of the adjustable foot 5 during operation. A rotating sleeve 20 is rotatably connected to the force arm folding rod 11, and an upper lifting folding rod 21 is fixedly connected to the upper end of the rotating sleeve 20. By pressing down the rotating sleeve 20 and pulling the upper lifting folding rod 21, the power arm folding rod 11 is rotated, and then the central shaft rod 7 is driven to rotate, so as to facilitate the operation of the adjustable foot 5.

[0023] When the keyboard height needs to be adjusted, the user presses the foot control plate 16 downward with his foot, and the downward movement of the foot control plate 16 drives the horizontal swing bar 14 to rotate around the swing bar shaft 13, thereby driving the rubber soft block 15 at the left end to move upward, and the rubber soft block 15 moves upward and separates from the active rotating gear 8 and the driven rotating gear 9. The user then presses the rotating sleeve 20 with the other foot to drive the power arm folding rod 11 to rotate, and the power arm folding rod 11 drives the central rotating shaft rod 7 to rotate in the height adjustment plate 2, and the central rotating shaft rod 7 drives the active rotating gear 8 fixedly connected thereto to rotate, and the rotation of the active rotating gear 8 drives the driven rotating gear 9 meshing with it to rotate, and at the same time, the rotation of the active rotating gear 8 drives The movable vertical gear rod 10 moves, and the rotation of the driven rotating gear 9 also drives the movement of the vertical gear rod 10, thereby driving the adjustable foot 5 to slide in the fixed base block 4. The user adjusts to a suitable height according to his or her own needs, loosens the foot control plate 16, and the tension spring 17 pulls the foot control plate 16 to move upward. The upward movement of the foot control plate 16 drives the horizontal swing bar 14 to rotate around the swing bar shaft 13, thereby driving the rubber block 15 at the left end of the horizontal swing bar 14 to move downward. The rubber block 15 is stuck between the active rotating gear 8 and the driven rotating gear 9, limiting the rotation of the active rotating gear 8 and the driven rotating gear 9, thereby fixing the position of the adjustable foot 5, and completing the adjustment of the keyboard height.

[0024] The above description is only a preferred specific implementation manner of the present invention; however, the protection scope of the present invention is not limited thereto; any technician familiar with the technical field within the technical scope disclosed by the present invention; any equivalent replacement or change based on the technical solution and improved concept of the present invention shall be covered by the protection scope of the present invention.

Claims

1. A foot-operated computer keyboard for the disabled, comprising a keyboard body (1), characterized in that: The lower end of the keyboard body (1) is fixedly connected to a height adjustment plate (2), a limit plate (3) is provided on the right side of the height adjustment plate (2), and the limit plate (3) is fixedly connected to the lower end of the keyboard body (1). Two fixed base blocks (4) are provided between the height adjustment plate (2) and the limit plate (3), and the two fixed base blocks (4) are respectively fixedly connected to the height adjustment plate (2) and the limit plate (3). Two support rod through holes are provided in the fixed base blocks (4), and adjustable feet (5) are slidably connected in the support rod through holes. A connecting cross bar (6) is fixedly connected between the adjustable feet (5) on the lower side of the height adjustment plate (2) and the adjustable feet (5) on the lower side of the limit plate (3). A central rotating hole is provided in the middle of the section plate (2), a central rotating shaft rod (7) is provided in the central rotating hole, the central rotating shaft rod (7) is rotatably connected to the height adjustment plate (2), a driving rotating gear (8) is sleeved on one end of the central rotating shaft rod (7) close to the height adjustment plate (2), the front end of the driving rotating gear (8) is meshingly connected with a driven rotating gear (9), the driven rotating gear (9) is fixedly connected to the height adjustment plate (2), the outer sides of the driving rotating gear (8) and the driven rotating gear (9) are both provided with vertical gear rods (10), the vertical gear rods (10) are meshingly connected to the driving rotating gear (8) and the driven rotating gear (9), and the lower end of the vertical gear rod (10) is fixedly connected to the adjustable support foot (5) The end of the central rotating shaft rod (7) away from the driving rotating gear (8) is fixedly connected to a powerful arm folding rod (11); a swing rod long hole (12) is provided in the middle of the limiting plate (3); a swing rod rotating shaft (13) is provided in the swing rod long hole (12); the swing rod rotating shaft (13) is fixedly connected to the limiting plate (3); a horizontal swing cross bar (14) is provided in the swing rod long hole (12); a swing rod rotating hole is provided in the middle of the horizontal swing cross bar (14); the swing rod rotating hole matches the swing rod rotating shaft (13); the horizontal swing cross bar (14) is rotatably connected to the swing rod rotating shaft (13) through the swing rod rotating hole; a rubber soft block (15) is fixedly connected to the left end of the horizontal swing cross bar (14); and a rubber soft block (15) is fixedly connected to the right end of the horizontal swing cross bar (14). A foot control plate (16) is connected, and a tension spring (17) is fixedly connected to the upper end of the horizontal swing bar (14). The upper end of the tension spring (17) is fixedly connected to the keyboard body (1). The tension spring (17) pulls the right end of the horizontal swing bar (14) upward, thereby driving the rubber block (15) to move downward and be stuck between the driving rotating gear (8) and the driven rotating gear (9), thereby limiting the rotation of the driving rotating gear (8) and the driven rotating gear (9), thereby limiting the displacement of the adjustable support foot (5). By pressing the foot control plate (16) to drive the rubber block (15) upward, the rotating force arm folding rod (11) drives the adjustable support foot (5) to move up and down in the fixed base block (4), thereby adjusting the height of the keyboard.

2. The foot-type computer keyboard for the disabled according to claim 1, characterized in that: A double-sided gel layer is fixedly connected to the upper end of the foot control panel (16), and a smooth glass plate is fixedly connected to the upper end of the double-sided gel layer.

3. The foot-type computer keyboard for the disabled according to claim 1, characterized in that: The lower end of the height adjustment plate (2) is fixedly connected to a stabilizing bracket (18), the adjustable support foot (5) is sleeved with a stabilizing square ring (19), and the stabilizing square ring (19) is fixedly connected to the stabilizing bracket (18).

4. The foot-type computer keyboard for the disabled according to claim 1, characterized in that: A rotating sleeve (20) is rotatably connected to the force arm folding rod (11), and an upper lifting folding rod (21) is fixedly connected to the upper end of the rotating sleeve (20).

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