CN217506494U - Split keyboard - Google Patents

Abstract

The utility model relates to the technical field of keyboards, in particular to a split keyboard, which comprises two keyboard main bodies arranged in a mirror image, wherein the keyboard main bodies are divided into a thumb key position partition, a forefinger key position partition, a middle finger key position partition, a ring finger key position partition and a little finger key position partition; the split keyboard adopts the two keyboard main bodies to be used corresponding to the left hand and the right hand of a human body, the distance between the two keyboard main bodies can be adjusted according to people with different arm extensions, and the comfort level of wrists and necks during long-time typing is improved; the included angle range of the tangent plane of all the keys on the thumb key partition along the pressing direction and the horizontal plane is 55-71 degrees, the included angle range of the tangent plane of all the keys on the index finger key partition, the middle finger key partition, the ring finger key partition and the little finger key partition along the pressing direction and the horizontal plane is 58-82 degrees, the included angle ranges conform to the angle of the hand naturally placed on the keyboard when the keyboard is used, and the distortion of the limbs or joints of the hand is avoided.

Description

Split keyboard

Technical Field

The utility model relates to a keyboard technical field, concretely relates to split type keyboard.

Background

The keyboard is a command and data input device for operating equipment, is the most common and the most main input equipment, and can input English letters, numbers, punctuations and the like into a computer through the keyboard so as to send commands, input data and the like to the computer.

When the traditional keyboard is designed initially, the comfort of a user is not fully considered, the distance and the position of the left hand and the right hand of the integrated keyboard are fixed and cannot be adjusted according to the habit of the user, and if the user uses the keyboard for a long time, the wrist is numb, the joints are twisted, the muscles of the arms and the shoulders are sore and the like.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problem, the utility model discloses the technical scheme who adopts as follows: the utility model provides a split type keyboard, includes two keyboard main parts that the mirror image set up, divide into thumb key position subregion, forefinger key position subregion, middle finger key position subregion, third finger key position subregion and little thumb key position subregion in the keyboard main part, the contained angle scope of all key positions on the thumb key position subregion along the tangent plane of the direction of pressing and horizontal plane is at 55 to 71, forefinger key position subregion, middle finger key position subregion, third finger key position subregion and the contained angle scope of all keys on the little thumb key position subregion along the tangent plane of the direction of pressing and horizontal plane is all at 58 to 82.

In some embodiments, each column of keys on the index finger key partition, the middle finger key partition, the ring finger key partition and the little finger key partition are all arranged on a circular arc with the radius of 81mm-85 mm.

In some embodiments, the height of the middle finger key section is 5mm-10mm lower than the height of the index finger key section.

In some embodiments, the height of the ring finger key position partition is 5mm-10mm lower than that of the little finger key position partition.

In some embodiments, the thumb key area has six keys, the six keys are divided into an L1-1 key, an L1-2 key, an L1-3 key, an L1-4 key, an L1-5 key and an L1-6 key, the height of the L1-5 key is 3-5mm lower than that of the L1-2 key, and the height of the L1-6 key is 3-5mm lower than that of the L1-3 key.

In some embodiments, the keyboard body includes a lower cover, an upper cover, a positioning plate and a plurality of keys, the positioning plate is mounted on the upper cover, the positioning plate is provided with a plurality of square holes for correspondingly mounting the keys, and the plurality of square holes are partitioned according to the thumb key partition, the forefinger key partition, the middle finger key partition, the ring finger key partition and the little finger key partition.

In some embodiments, an inclined wrist support part is further arranged on one side of the upper cover.

Compared with the prior art, the split type keyboard provided by the embodiment has the following beneficial effects: the split keyboard adopts the two keyboard main bodies to be used corresponding to the left hand and the right hand of a human body, the distance between the two keyboard main bodies can be adjusted according to people with different arm extensions, and the comfort level of wrists and necks during long-time typing is improved; the included angle range of the tangent plane of all the keys on the thumb key partition along the pressing direction and the horizontal plane is 55-71 degrees, the included angle range of the tangent plane of all the keys on the index finger key partition, the middle finger key partition, the ring finger key partition and the little finger key partition along the pressing direction and the horizontal plane is 58-82 degrees, the included angle ranges are in accordance with the angle of the hand naturally placed on the keyboard when the keyboard is used, the distortion of the limbs or joints of the hand is avoided, and the muscle fatigue is effectively relieved.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a top view of the split keyboard according to the embodiment of the present invention;

fig. 2 is a three-dimensional side view of a split keyboard according to an embodiment of the present invention;

FIG. 3 is an assembly diagram of a split keyboard according to an embodiment of the present invention;

fig. 4 is a schematic cross-sectional view of one of the viewing angles of the keyboard body according to the embodiment of the present invention;

fig. 5 is a schematic cross-sectional view of another view angle of the keyboard body according to the embodiment of the present invention.

The reference numbers illustrate:

thumb key location division L1; index finger key location partition L2; middle finger key position partition L3; ring finger key location partition L4; a key position partition L5 of the little finger;

a lower cover 100; an upper cover 200; a positioning plate 300; a square hole 400; a wrist rest portion 500.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Referring to fig. 1 to fig. 3, it includes two keyboard main parts that the mirror image set up, these two keyboard main parts correspond the human left and right hands and use, be wireless connection between two keyboard main parts, also be wireless connection between whole split type keyboard and the terminal, specific can be conventional bluetooth connected mode in the trade, distance adjustment range between two keyboard main parts is within 1000mm, two keyboard main parts are relatively independent, can adjust the locating place according to different crowds 'use habit, can adjust two keyboard main parts to the most comfortable position of oneself according to user's shoulder width and arm exhibition, compare in the fixed mode of the use position of the left and right hands of ordinary integral type keyboard, this scheme can effectively improve the comfort level of wrist joint and shoulder neck. Specifically, the keyboard body can be divided into a thumb key partition L1, an index finger key partition L2, a middle finger key partition L3, a ring finger key partition L4 and a little finger key partition L5, the included angle range of the tangent plane of all keys on the thumb key partition L1 along the pressing direction and the horizontal plane is 55-71 degrees, and the included angle range of the tangent plane of all keys on the index finger key partition L2, the middle finger key partition L3, the ring finger key partition L4 and the little finger key partition L5 along the pressing direction and the horizontal plane is 58-82 degrees.

To explain the solution of the present invention in detail, the present application takes the keyboard main body corresponding to the left-hand use as an example, and refers to the division example shown in fig. 1:

the thumb key location partition LI comprises six keys: l1-1, L1-2, L1-3, L1-4, L1-5 and L1-6;

index finger key location section L2 has two columns, the first column includes three keys: l2-1, L2-2, L2-3, the second column includes three buttons: l2-4, L2-5, L2-6;

the middle finger key position partition L3 includes four keys in a column: l3-1, L3-2, L3-3 and L3-4;

the ring finger key location partition L4 includes a column of four keys: l4-1, L4-2, L4-3 and L4-4;

the little finger key position partition L5 has two columns, the first column includes three keys: l5-1, L5-2, L5-3, the second column includes three buttons: l5-4, L5-5, L5-6;

wherein, the included angle between the tangent plane of the L2-1 column of three keys along the pressing direction and the horizontal plane is a, and the range of a is 60 degrees +/-2 degrees;

the included angle between the tangent plane of the L2-4 longitudinal row of three keys along the pressing direction and the horizontal plane is b, and the range of b is 65 degrees +/-2 degrees;

the included angle between the tangent plane of the four keys in the L3 longitudinal row along the pressing direction and the horizontal plane is c, and the range of c is 70 +/-2 degrees;

the included angle between the tangent plane of the L4 longitudinal four keys along the pressing direction and the horizontal plane is d, and the range of d is 75 +/-2 degrees;

the included angle between the tangent plane of the L5-1 longitudinal three keys along the pressing direction and the horizontal plane is e, and the range of e is 80 +/-2 degrees;

the included angle between the tangent plane of the L5-4 longitudinal row of three keys along the pressing direction and the horizontal plane is f, and the range of f is 80 degrees +/-2 degrees;

the L1-1 button, L1-4 button is along the tangent plane of pressing the direction and the included angle of the horizontal plane is g, the range of g is 69 degrees +/-2 degrees;

the included angle between the tangent plane of the L1-2 key along the pressing direction and the horizontal plane is h, and the range of h is 66.5 +/-2 degrees;

the included angle between the tangent plane of the L1-3 key along the pressing direction and the horizontal plane is i, and the range of i is 64.5 +/-2 degrees;

the included angle between the tangent plane of the L1-5 key along the pressing direction and the horizontal plane is j, and the range of the j is 61.5 +/-2 degrees;

the included angle between the tangent plane of the L1-6 key along the pressing direction and the horizontal plane is k, and the range of k is 57 degrees +/-2 degrees.

In conclusion, the included angle ranges of the tangent plane of all the keys on the index finger key position partition L2, the middle finger key position partition L3, the ring finger key position partition L4 and the little finger key position partition L5 along the pressing direction and the horizontal plane are 58-82 degrees, the included angle ranges are in accordance with the angle of a human hand naturally placed on the keyboard when the keyboard is used, the wrist joint distortion of the human hand is avoided, and the joint and muscle fatigue of the human hand can be effectively relieved after the split type keyboard is used for a long time.

In some embodiments, each column of keys on the index finger key partition L2, the middle finger key partition L3, the ring finger key partition L4 and the little finger key partition L5 are all arranged on a circular arc with the radius of 81mm-85 mm.

Specifically, pressing axes of three keys on the L2-1 longitudinal column are all arranged on an arc with the radius of 83mm +/-2 mm, and a central angle corresponding to the arc is 30 +/-2 degrees;

pressing axes of three keys on the L2-4 longitudinal column are all arranged on an arc with the radius of 83mm +/-2 mm, and the central angle corresponding to the arc is 30 +/-2 degrees;

pressing axes of four keys on the L3-1 longitudinal column are uniformly arranged on an arc with the radius of 83mm +/-2 mm, and the central angle corresponding to the arc is 45 +/-2 degrees;

pressing axes of four keys on the L4-1 longitudinal column are uniformly distributed on an arc with the radius of 83mm +/-2 mm, and a central angle corresponding to the arc is 45 +/-2 degrees;

pressing axes of three keys on the L5-1 longitudinal column are uniformly distributed on an arc with the radius of 83mm +/-2 mm, and a central angle corresponding to the arc is 30 +/-2 degrees;

the pressing axes of the three keys in the L5-4 column are all arranged on a circular arc with the radius of 83mm +/-2 mm, and the corresponding central angle of the circular arc is 30 degrees +/-2 degrees.

In the embodiment, the keys in each column are arranged on the circular arcs, and the central angles corresponding to the circular arcs are in the range of 28-47 degrees, so that the range of motion of finger joints of a human body is met, and the muscle fatigue of fingers can be effectively reduced.

In some embodiments, the key height of middle finger key section L3 is 5mm-10mm lower than the key height of index finger key section L2, because the middle finger is longest and the contact surface of the middle finger with the key is lowest in a relaxed state.

In some embodiments, the height of the keys of the ring finger key position partition L4 is 5mm-10mm lower than that of the keys of the little finger key position partition L5, which aims to adapt to the length difference between the ring finger and the little finger, and the contact surface of the ring finger and the keys is lower than that of the little finger and the keys in the natural finger relaxing state.

In some embodiments, a human hand is naturally placed on the keyboard body, the thumb key position subareas L1 are distributed in a 35-degree sector area of the movable range of the thumb, the key height of the L1-5 key is 3-5mm lower than that of the L1-2 key, and the key height of the L1-6 key is 3-5mm lower than that of the L1-3 key, so as to avoid mistakenly touching the L1-5 or L1-6 key when the thumb presses the L1-2 or L1-3 key.

In some embodiments, referring to fig. 2 and 3, the keyboard main body includes a lower cover 100, an upper cover 200, a positioning plate 300 and a plurality of keys, the positioning plate 300 is mounted on the upper cover 200 by screws, the lower cover 100 is fixedly connected with the upper cover 200 by screws, the positioning plate 300 is in a special structure adapted to a thumb key partition L1, a forefinger key partition L2, a middle finger key partition L3, a ring finger key partition L4 and a small finger key partition L5, in particular, the thumb key partition L1 is obliquely arranged on one side of the positioning plate 300 close to the human body, the forefinger key partition L2 is higher than the middle finger key partition L3, the ring finger key partition L4 is lower than the small finger key partition L5, the positioning plate 300 is provided with a plurality of square holes 400 corresponding to the plurality of keys, the size of the square holes 400 is a standard mechanical axis square hole 400, the size of the square hole 400 is generally 14.00mm ± 0.00 mm, the space size between each square hole 400 on the index finger key partition L2, the middle finger key partition L3, the third finger key partition L4 and the small finger key partition L5 is 5.50mm-9.00mm, all the square holes 400 on the index finger key partition L2, the middle finger key partition L3, the third finger key partition L4 and the small finger key partition L5 are compatible with standard mechanical axes and are compatible with keycaps with 1U specification; the square holes 400 corresponding to the L1-2, L1-3, L1-5 and L1-6 keys in the thumb key partition L1 are compatible with standard mechanical axes and keycaps with 1U specification, the square holes 400 corresponding to the L1-1 and L1-4 keys are compatible with standard mechanical axes and keycaps with 1U, 1.25U and 1.5U specifications.

In some embodiments, an inclined wrist rest 500 is further disposed on one side of the upper cover 200, so that the wrist can be naturally and loosely placed on the wrist rest 500 when the keyboard is used, and the experience of the user is further improved.

It should be noted that the keyboard main body is provided with the PCB, the keys are electrically connected with the PCB, and the PCB is wirelessly connected with the terminal or wired connected with the terminal, which are known in the industry.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims (7)

1. The split keyboard is characterized by comprising two keyboard bodies arranged in a mirror image mode, wherein each keyboard body is divided into a thumb key partition (L1), an index finger key partition (L2), a middle finger key partition (L3), a ring finger key partition (L4) and a small thumb key partition (L5), the included angle range of the tangent plane of all keys on the thumb key partition (L1) along the pressing direction and the horizontal plane is 55-71 degrees, and the included angle range of the tangent plane of all keys on the index finger key partition (L2), the middle finger key partition (L3), the ring finger key partition (L4) and the small thumb key partition (L5) along the pressing direction and the horizontal plane is 58-82 degrees.

2. The split keyboard of claim 1, wherein each column of keys on the index finger key partition (L2), the middle finger key partition (L3), the ring finger key partition (L4) and the small finger key partition (L5) are arranged on a circular arc with a radius of 81mm-85 mm.

3. The split keyboard of claim 1, wherein the vertical height of the middle finger key segment (L3) is 5mm-10mm lower than the vertical height of the index finger key segment (L2).

4. The split keyboard of claim 3, wherein the vertical height of the ring finger key location section (L4) is 5mm-10mm lower than the vertical height of the small finger key location section (L5).

5. The split keyboard of claim 1, wherein said thumb key partition (L1) has six keys, said six keys being divided into an L1-1 key, an L1-2 key, an L1-3 key, an L1-4 key, an L1-5 key and an L1-6 key, said L1-5 key having a key height 3-5mm lower than that of said L1-2 key, and said L1-6 key having a key height 3-5mm lower than that of said L1-3 key.

6. The split keyboard of claim 1, wherein the keyboard body comprises a lower cover (100), an upper cover (200), a positioning plate (300) and a plurality of keys, the positioning plate (300) is mounted on the upper cover (200), the positioning plate (300) is provided with a plurality of square holes (400) for correspondingly mounting the plurality of keys, and the plurality of square holes (400) are divided according to the thumb key partition (L1), the index finger key partition (L2), the middle finger key partition (L3), the ring finger key partition (L4) and the little finger key partition (L5).

7. The split keyboard according to claim 6, wherein a slanted wrist rest (500) is further provided on one side of the upper cover (200).

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