CN210072544U

CN210072544U - Computer keyboard based on teaching use

Info

Publication number: CN210072544U
Application number: CN201920386233.8U
Authority: CN
Inventors: 杨丽军
Original assignee: Shaanxi Xueqian Normal University
Current assignee: Shaanxi Xueqian Normal University
Priority date: 2019-03-26
Filing date: 2019-03-26
Publication date: 2020-02-14
Anticipated expiration: 2029-03-26

Abstract

The utility model discloses a computer keyboard based on teaching use, which comprises a keyboard main body, a USB wire, a back plate, a strip-shaped groove, a first rotating shaft, a first supporting rod, a second rotating shaft, a second supporting rod, a third rotating shaft, supporting legs and limiting bulges, wherein one side of the keyboard main body is provided with the USB wire, the lower surface of the keyboard main body is fixedly connected with one end of the upper surface of the back plate, the two ends of the lower surface of the back plate are both provided with the strip-shaped groove, the two sides inside the strip-shaped groove are respectively provided with the first supporting rod through the first rotating shaft, one end of the first supporting rod, which is far away from the first rotating shaft, is connected with one end of the second supporting rod through the second rotating shaft, the other end of the second supporting rod is connected with the supporting legs through the third rotating shaft, and the two ends of the two sides of the strip-shaped groove are respectively provided, has no influence on the body and teaching.

Description

Computer keyboard based on teaching use

Technical Field

The utility model relates to a calculate key dish technical field, specifically be a calculate key dish based on teaching is used.

Background

The keyboard is an instruction and data input device for operating equipment, and also refers to a group of function keys (such as typewriter and computer keyboard) arranged to operate a machine or equipment through the system, the keyboard is also a part of keyboard musical instrument, and also refers to musical instruments using the keyboard, such as piano, digital piano or electronic organ, etc., the keyboard is helpful for practicing typewriting.

At present at the teaching in-process, keyboard one end is all put on the desktop, and teaching mr generally is the teaching of standing posture, when the keyboard is used to needs, general selection is the typing of bowing or sitting down, bowing can cause certain load to the health of standing for a long time, and sit down and type, waste time is one, the in-process of sitting down typing while typing the quality of lectures can descend, because the teacher's of sitting down back lectures sound can descend a lot, cause the student to listen unclear the condition, consequently, this problem that exists among the prior art is solved to a urgent need an improved technique.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a calculate key dish based on teaching uses to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a calculate key dish based on teaching is used, includes keyboard main part, USB line, backplate, strip recess, first pivot, first bracing piece, second pivot, second bracing piece, third pivot, supporting legs and spacing arch, keyboard main part one side is provided with the USB line, keyboard main part lower surface and the fixed linking to each other of backplate upper surface one end, strip recess has all been opened at backplate lower surface both ends, first bracing piece is installed through first pivot respectively to the inside both sides of strip recess, first bracing piece is kept away from first pivot one end and is passed through the second pivot and link to each other with second bracing piece one end, the second bracing piece other end passes through the third pivot and links to each other with the supporting legs, spacing arch is installed respectively at strip recess both sides both ends.

Preferably, a plurality of screw holes are further formed in the lower surface of the back plate, the back plate is connected with the keyboard main body through screws, the length of the keyboard main body is 2/3 of the length of the back plate, a plurality of deformation grooves are further formed in the lower surface of the back plate, and the deformation grooves are formed in the positions, outside the limiting bulges, of the strip-shaped grooves.

Preferably, the supporting legs include supporting legs main part, pivot hole and callus on the sole, open the pivot hole on supporting legs main part top, supporting legs main part lower fixed surface installs the callus on the sole.

Preferably, the foot pad is any one of a sucker or a rubber gasket.

Preferably, when the first support rod and the second support rod are completely folded, the limiting bulge is positioned at the joint of the second support rod and the support leg.

Preferably, the first rotating shaft, the second rotating shaft and the third rotating shaft are damping rotating shafts.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) when the keyboard is unfolded, a teacher does not need to bend or sit down to use the keyboard in the teaching process if the keyboard is needed, and the keyboard has no influence on the body and the teaching.

(2) Because the length of the keyboard main body is 2/3 of the length of the backboard, the mouse can be placed on the upper surface of the other side of the backboard, the phenomenon that the user can stand for typing and needs to bend down when using the mouse is avoided.

(3) Due to the foldable structure, the portable electric scooter can be normally used and is convenient to carry.

Drawings

Fig. 1 is a schematic structural view of the present invention (folded state).

Fig. 2 is a schematic structural view of the present invention (in the expanded state).

FIG. 3 is a schematic view of a back plate structure.

Fig. 4 is a schematic view of the supporting leg structure.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, the present invention provides a technical solution: a computer keyboard based on teaching use comprises a keyboard main body 1, a USB line 2, a back plate 3, strip-shaped grooves 4, a first rotating shaft 5, a first supporting rod 6, a second rotating shaft 7, a second supporting rod 8, a third rotating shaft 9, supporting legs 10 and limiting bulges 11, wherein the USB line 2 is arranged on one side of the keyboard main body 1, the lower surface of the keyboard main body 1 is fixedly connected with one end of the upper surface of the back plate 3, the strip-shaped grooves 4 are respectively formed at the two ends of the lower surface of the back plate 3, the first supporting rod 6 is respectively arranged at the two inner sides of the strip-shaped grooves 4 through the first rotating shaft 5, one end of the first supporting rod 6, far away from the first rotating shaft 5, is connected with one end of the second supporting rod 8 through the second rotating shaft 7, the other end of the second supporting rod 8 is connected with the supporting legs 10 through the third rotating shaft 9, the limiting bulges 11 are respectively arranged at the two ends of the two sides of the strip-, the first rotating shaft 6, the second rotating shaft 7 and the third rotating shaft 9 are damping rotating shafts.

As shown in fig. 2, a plurality of screw holes 31 are further formed in the lower surface of the back plate 3, the back plate 3 is connected with the keyboard body 1 through screws, the length of the keyboard body 1 is 2/3 of the length of the back plate 3, a plurality of deformation grooves 32 are further formed in the lower surface of the back plate 3, and the deformation grooves 32 are formed in the strip-shaped grooves 4 and located at the outer side positions of the limiting protrusions 11.

As shown in fig. 3, the supporting leg 10 includes a supporting leg main body 101, a rotating shaft hole 102 and a foot pad 103, the rotating shaft hole 102 is formed at the top end of the supporting leg main body 101, the foot pad 103 is fixedly mounted on the lower surface of the supporting leg main body 101, and the foot pad 103 is any one of a suction cup and a rubber pad.

The use principle is as follows: when the chair is normally used in a sitting posture, the first support rod 6 and the second support rod 8 are folded, the support leg main body 101 is just clamped between the limiting protrusion 11 and the side edge of the strip-shaped groove 4, the joint of the second support rod 8 and the limiting protrusion 11 is clamped by the upper surface of the limiting protrusion 11, the foot pad 103 is placed on a table top, when a teacher stands, the first support rod 6 and the second support rod 8 are unfolded until the first support rod 6, the second support rod 8 and the support leg 10 are all perpendicular to the table top, and the first support rod 6 is clamped between the limiting protrusion 11 and the side edge of the strip-shaped groove 4, so that when the teacher uses a keyboard during teaching, the keyboard is not required to be bent or sit down for use, and no influence is caused on the body and teaching; the deformation groove 32 has the function that when the first support rod 6 and the second support rod 8 are opened or folded, the first support rod and the second support rod 8 can abut against the limiting protrusion 11, the limiting protrusion 11 has an outward acting force, and the deformation groove 32 deforms inwards to reduce the supporting pressure of the limiting protrusion 11 and the first support rod 6 and the second support rod 8; because the length of the keyboard main body 1 is 2/3 of the length of the backboard 3, a mouse can be placed on the upper surface of the other side of the backboard, so that the user can not stand for typing and still need to bend down when using the mouse; the foldable structure is convenient to carry.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A computer keyboard based on teaching is used which characterized in that: comprises a keyboard main body (1), a USB wire (2), a back plate (3), strip-shaped grooves (4), a first rotating shaft (5), a first supporting rod (6), a second rotating shaft (7), a second supporting rod (8), a third rotating shaft (9), supporting legs (10) and limiting bulges (11), wherein the USB wire (2) is arranged on one side of the keyboard main body (1), the lower surface of the keyboard main body (1) is fixedly connected with one end of the upper surface of the back plate (3), the strip-shaped grooves (4) are respectively formed in two ends of the lower surface of the back plate (3), the first supporting rod (6) is respectively arranged on two inner sides of each strip-shaped groove (4) through the first rotating shaft (5), one end of the first supporting rod (6), which is far away from the first rotating shaft (5), is connected with one end of the second supporting rod (8) through the second rotating shaft (7), and the other end of the second supporting rod (8) is connected with the supporting, and two ends of two sides of the strip-shaped groove (4) are respectively provided with a limiting bulge (11).

2. A computer keyboard for educational use in accordance with claim 1, wherein: backplate (3) lower surface has still opened a plurality of screw holes (31), backplate (3) link to each other with keyboard main part (1) through the screw, the length of keyboard main part (1) is 2/3 of backplate (3) length, a plurality of deformation recess (32) have still been opened to backplate (3) lower surface, deformation recess (32) set up and are located spacing arch (11) outside position in strip recess (4).

3. A computer keyboard for educational use in accordance with claim 1, wherein: the supporting leg (10) comprises a supporting leg main body (101), a rotating shaft hole (102) and a foot pad (103), the rotating shaft hole (102) is formed in the top end of the supporting leg main body (101), and the foot pad (103) is fixedly mounted on the lower surface of the supporting leg main body (101).

4. A computer keyboard for educational use in accordance with claim 3, wherein: the foot pad (103) is any one of a sucker or a rubber gasket.

5. A computer keyboard for educational use in accordance with claim 1, wherein: when the first supporting rod (6) and the second supporting rod (8) are completely folded, the limiting bulge (11) is positioned at the joint of the second supporting rod (8) and the supporting leg (10).

6. A computer keyboard for educational use in accordance with claim 1, wherein: the first rotating shaft (5), the second rotating shaft (7) and the third rotating shaft (9) are damping rotating shafts.