CN210895370U

CN210895370U - Barrier-free keyboard

Info

Publication number: CN210895370U
Application number: CN202020163428.9U
Authority: CN
Inventors: 陈珂; 于娜; 李恒
Original assignee: Nanjing Forestry University
Current assignee: Nanjing Forestry University
Priority date: 2020-02-12
Filing date: 2020-02-12
Publication date: 2020-06-30
Anticipated expiration: 2030-02-12

Abstract

The utility model discloses an accessible keyboard, which comprises a keyboard body (1), wherein the keyboard body (1) comprises a shortcut keyboard (2) and a knob keyboard (3) which are detachably connected, and the shortcut keyboard (2) and the knob keyboard (3) are both connected with a computer; a circular groove is formed in the knob keyboard (3), an annular groove is formed in the middle of the side wall of the circular groove, a rotary disc (5) is arranged in the circular groove, an annular convex edge located in the annular groove is formed in the middle of the side wall of the rotary disc (5), and the annular convex edge can rotate in the annular groove; be provided with turn button (6) on carousel (5), turn button (6) are including being located the round button of carousel (5) top, round button and bull stick body coupling, the bull stick is worn into carousel (5) inside links to each other with pressure sensor. The utility model is very suitable for the disabled of upper limbs.

Description

Barrier-free keyboard

Technical Field

The utility model relates to a barrier-free keyboard especially relates to a barrier-free keyboard that is fit for upper limbs disabled person to use, belongs to computer input equipment technical field.

Background

The vast majority of computer input devices on the market are designed for normal people, and the few input devices designed for disabled people are often high in price due to insufficient market demands. When the upper limb disabled person uses feet to input and operate the traditional keyboard, the problems that the toes are too large and the keys are too small are often encountered, so that a plurality of keys are pressed at one time are often caused. And because the keyboard is operated by feet, eyes are farther away from the keyboard than the keyboard operated by two hands, and the sight is easily shielded by two legs, so that the input efficiency is low, and the error rate is high. Therefore, there is a need for a barrier-free keyboard suitable for the disabled with upper limbs.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to provide a barrier-free keyboard suitable for the disabled with upper limbs.

In order to solve the technical problem, the utility model discloses a technical scheme does:

the barrier-free keyboard comprises a keyboard body, wherein the keyboard body comprises a shortcut key keyboard and a knob keyboard which are detachably connected, and the shortcut key keyboard and the knob keyboard are both connected with a computer; the length and the width of each key on the shortcut key keyboard are at least 2 cm; a circular groove is formed in the knob keyboard, an annular groove is formed in the middle of the side wall of the circular groove, a rotary disc is arranged in the circular groove, an annular convex edge located in the annular groove is arranged in the middle of the side wall of the rotary disc, and the annular convex edge can rotate in the annular groove; the rotary table is provided with a rotary button, the rotary button comprises a round button positioned above the rotary table, the round button is integrally connected with a rotary rod, the rotary rod penetrates into the interior of the rotary table and is connected with a pressure sensor, the pressure sensor is contacted with the bottom surface of the round groove, and an elastic part is sleeved on the rotary rod between the round button and the outer surface of the rotary table.

The elastic member includes a spring.

The detachable connection includes a magnetic attachment.

The shortcut key keyboard and the knob keyboard are both square, magnetic stripes are arranged at the connecting ends of the shortcut key keyboard and the knob keyboard, and the magnetic poles of the two magnetic stripes are attracted.

The shortcut key keyboard and the knob keyboard are in wireless communication connection.

The keyboard body is provided with a plurality of interfaces.

And background lights are arranged below the keys and the turnplate.

And the bottom of the keyboard body is provided with an anti-slip pad.

The turntable upper surface is provided with a notch groove which is convenient for rotating the turntable.

The notch groove is circular, and the inner diameter of the notch groove is at least 2 cm.

The utility model provides a pair of accessible keyboard, but the split between shortcut key keyboard and the knob keyboard also can assemble. After the shortcut key keyboard and the knob keyboard are detached and separated, the shortcut key keyboard and the knob keyboard can be conveniently controlled by two feet respectively, so that the keyboard is convenient for people with upper limb disabilities to use. The length and the width of each key are at least 2cm, so that the area of each key is enlarged, and the upper limb disabled person can conveniently use the toes to input the keyboard body. The setting of the knob keyboard selects single characters through the rotation of the rotary disc, confirms the selection through pressing the rotary disc, and uses a plurality of characters to continuously form a character. The upper limb disabled person can clamp the knob with the toes to rotate, and can confirm the operation by downwards exerting force after selecting the position of the designated character, so that the upper limb disabled person is very suitable for the upper limb disabled person to use.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is an exploded view of fig. 1.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

As shown in fig. 1 to 2, the barrier-free keyboard includes a keyboard body 1, the keyboard body 1 includes a shortcut keyboard 2 and a knob keyboard 3 detachably connected, and the shortcut keyboard 2 and the knob keyboard 3 are detachable and assemblable. After the shortcut key keyboard 2 and the knob keyboard 3 are detached and separated, the shortcut key keyboard 2 and the knob keyboard 3 are conveniently controlled by two feet respectively.

The shortcut key keyboard 2 and the knob keyboard 3 are both connected with a computer, and the connecting line is a 1.5-meter spiral USB line; the length and the width of the key 4 on the shortcut keyboard 2 are both at least 2 cm; the length and the width of the keys 4 are at least 2cm, so that the area of the keys 4 is enlarged, and the upper limb disabled can conveniently use the toes to input the keyboard body 1.

A circular groove is formed in the knob keyboard 3, an annular groove is formed in the middle of the side wall of the circular groove, a rotary disc 5 is arranged in the circular groove, an annular convex edge located in the annular groove is arranged in the middle of the side wall of the rotary disc 5, and the annular convex edge can rotate in the annular groove; the rotary table is characterized in that a rotary button 6 is arranged on the rotary table 5, the rotary button 6 comprises a round button positioned above the rotary table 5, the round button is integrally connected with a rotary rod, the rotary rod penetrates into the rotary table 5 and is connected with a pressure sensor, the pressure sensor is in contact with the bottom surface of the round groove, the contact is non-pressure contact, and an elastic piece is sleeved on the rotary rod between the round button and the outer surface of the rotary table 5.

The rotary keyboard 3 in the embodiment needs to be matched with a rotary input mode, the rotary input mode is a soft keyboard (namely a virtual keyboard) on a computer screen, characters are arranged on the soft keyboard along a ring shape, the characters comprise English letters and numbers, the characters arranged in the ring shape correspond to the rotary track of the rotary button 6, and the rotary disk 5 is used for rotating to select the characters for operation; when the designated character is selected, the confirmation operation is performed by forcibly pressing the knob 6. In this embodiment, the person with disabled upper limbs can clamp the turn button 6 with the toes to rotate, and after selecting the position of the designated character, the person with disabled upper limbs can confirm the operation by applying downward force.

Preferably, the elastic member includes a spring.

Preferably, the detachable connection comprises a connection by magnetic attraction.

Further preferentially, the shortcut key keyboard 2 and the knob keyboard 3 are both square, the connecting ends of the shortcut key keyboard 2 and the knob keyboard 3 are both provided with magnetic stripes 8, and the magnetic poles of the magnetic stripes 8 attract each other.

The shortcut key keyboard 2 is in wireless communication connection with the knob keyboard 3. The wireless communication connection mode can be wifi, ZigBee, Bluetooth and the like.

Built-in batteries are arranged in the shortcut key keyboard 2 and the knob keyboard 3, and the batteries can meet the requirement of endurance of at least 30 days.

The keyboard body 1 is provided with a plurality of interfaces. Specifically, 15 earphone holes of 3.5mm are formed in the top of the keyboard body 1 and can be used for connecting external buttons, and the expansibility of products is improved.

And background lamps are arranged below the keys 4 and the turnplate 5. The backlight is connected to the battery. The backlight design can facilitate the use of the keyboard by users in dim environments.

The bottom of the keyboard body 1 is provided with an anti-slip pad to prevent slipping during use. The keyboard body 1 is internally provided with a hard steel plate for providing structural strength and weight.

The upper surface of the rotary disc 5 is provided with a notch 7 which is convenient for rotating the rotary disc 5.

The notch groove 7 is circular, and the inner diameter of the notch groove 7 is at least 2 cm.

The arrangement of the notch groove 7 is convenient for the upper limb disabled person to use toes to rotate the rotary disc 5, and after the rotary disc is rotated to the position of the designated character, the rotary button 6 is pressed by force to confirm the operation.

The keyboard body 1 of the present embodiment adopts a forward inclined design, which is ergonomic and reduces fatigue of a user, i.e., the keyboard body 1 becomes thicker gradually from the front end to the rear end.

The shell of the keyboard body 1 is made of frosted polycarbonate plastic, so that the appearance is attractive and elegant, and the strength is sufficient. The key cap of button 4 uses the PBT material, and the surface character of button 4 uses the dichromatic forming process, can not produce the phenomenon of fading to also adopt dull polish manufacturing process, improve frictional force.

The turntable 5 adopts a stepless rotation design, 8192-level sampling is realized, certain damping is realized, and accurate selection operation and pressing operation can be facilitated. The pressure sensor has 512-level sampling, can distinguish light pressure from heavy pressure, can define different functions in software, and can define the sensitivity of all keys 4 and the turntable 5 by self, thereby meeting the requirements of different people. Meanwhile, the embodiment can be used by people with disabled upper limbs, and general healthy people can also use the keyboard as a choice other than a common keyboard, so that the keyboard is suitable for users needing more shortcut keys.

The embodiment is convenient for the disabled with the upper limbs to use, improves the efficiency of keyboard input for the disabled with the limbs, improves the life quality of the disabled, and enhances the life confidence of the disabled.

The above description is only a preferred embodiment of the present invention, and it should be noted that: for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention.

Claims

1. Accessible keyboard, its characterized in that: the keyboard comprises a keyboard body (1), wherein the keyboard body (1) comprises a shortcut key keyboard (2) and a knob keyboard (3) which are detachably connected, and the shortcut key keyboard (2) and the knob keyboard (3) are both connected with a computer; the length and the width of a key (4) on the shortcut keyboard (2) are both at least 2 cm; a circular groove is formed in the knob keyboard (3), an annular groove is formed in the middle of the side wall of the circular groove, a rotary disc (5) is arranged in the circular groove, an annular convex edge located in the annular groove is formed in the middle of the side wall of the rotary disc (5), and the annular convex edge can rotate in the annular groove; be provided with turn button (6) on carousel (5), turn button (6) are including being located the round button of carousel (5) top, round button and bull stick body coupling, the bull stick is worn into carousel (5) inside links to each other with pressure sensor, pressure sensor with circular recess bottom surface contacts, the round button with between carousel (5) the surface the cover has the elastic component on the bull stick.

2. The barrier-free keyboard of claim 1, wherein: the elastic member includes a spring.

3. The barrier-free keyboard of claim 1, wherein: the detachable connection includes a magnetic attachment.

4. The barrier-free keyboard of claim 3, wherein: the quick key keyboard (2) and the knob keyboard (3) are both square, the connecting ends of the quick key keyboard (2) and the knob keyboard (3) are both provided with magnetic stripes (8), and the magnetic poles of the magnetic stripes (8) attract each other.

5. The barrier-free keyboard of claim 1, wherein: the shortcut key keyboard (2) is in wireless communication connection with the knob keyboard (3).

6. The barrier-free keyboard of claim 1, wherein: the keyboard body (1) is provided with a plurality of interfaces.

7. The barrier-free keyboard of claim 1, wherein: and background lights are arranged below the keys (4) and the turnplate (5).

8. The barrier-free keyboard of claim 1, wherein: the bottom of the keyboard body (1) is provided with an anti-slip pad.

9. The barrier-free keyboard of claim 1, wherein: the upper surface of the rotary table (5) is provided with a notch groove (7) which is convenient for rotating the rotary table (5).

10. The barrier-free keyboard of claim 9, wherein: the notch groove (7) is circular, and the inner diameter of the notch groove (7) is at least 2 cm.