CN220651238U

CN220651238U - Dual-purpose digital chalk

Info

Publication number: CN220651238U
Application number: CN202322343604.3U
Authority: CN
Inventors: 杨红波
Original assignee: Beijing Foreign Studies University
Current assignee: Beijing Foreign Studies University
Priority date: 2023-08-30
Filing date: 2023-08-30
Publication date: 2024-03-22
Anticipated expiration: 2033-08-30

Abstract

The utility model discloses a dual-purpose digital chalk, and belongs to the technical field of digital chalks. A dual-purpose digital chalk comprising: a pen tube; the first pen point is fixedly connected to the pen tube; the second pen point is fixedly connected to the pen tube; the first pen point and the second pen point are symmetrically arranged; the total length of the pen tube, the first pen point and the second pen point after being assembled is 74.7mm, in the using process, the length is more attached to the length of the palm of a user by setting the whole chalk to be 74.7mm, when the pen tube is used, the user can hold the pen tube, and when writing, the user can complete writing by holding the pen tube, so that the problem that the wrist and fingers are easy to be ache when holding the pen tube for writing due to longer pen tube in the prior art is solved; through setting up first nib, second nib into T type head, it is more convenient when the installation, and through the appearance design of T type, can prevent effectively that first nib and second nib from droing, and then can prolong the life of two groups of nibs.

Description

Dual-purpose digital chalk

Technical Field

The utility model relates to the technical field of digital chalks, in particular to a dual-purpose digital chalk.

Background

The intelligent writing screen in the prior art generally comprises a capacitive screen and an infrared screen, when the intelligent writing screen is used for writing, the intelligent writing screen is required to be equipped with corresponding digital chalks for matching with the corresponding capacitive screen, but the whole length of the digital chalks in the prior art is longer, when the intelligent writing screen is used for writing, a penholder is required to be pressed on a middle finger for writing, the operation is inconvenient, and long-time writing and use can possibly cause finger joints and wrist pain of a user.

Disclosure of Invention

The utility model aims to solve the problem that long-time writing can cause knuckle and wrist ache in the prior art, and provides a dual-purpose digital chalk.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

a dual-purpose digital chalk comprising:

a pen tube;

the first pen point is fixedly connected to the pen tube;

the second pen point is fixedly connected to the pen tube;

the first pen point and the second pen point are symmetrically arranged;

the total length of the pen tube, the first pen point and the second pen point after being assembled is 73.08-77.08mm.

Preferably, the first pen point and the second pen point are both T-shaped heads, and the first pen point and the second pen point are fixedly connected with the pen tube in an inserting connection mode.

In order to further ensure the stability of the installation of the first pen point, further, a first magnet is fixedly connected to the first pen point, a second magnet is fixedly connected to the pen tube, and the first magnet and the second magnet are attracted.

In order to further ensure the stability of the second pen point installation, further, a third magnet is fixedly connected to the second pen point, and the third magnet and the second magnet are attracted.

Still further, the outer diameters of the first nib and the second nib are greater than the inner diameter of the barrel.

In order to further reduce the scratch of the screen, it is preferable that the cross sections of the first pen point and the second pen point are spherical.

In order to further reduce the scratches of the screen, further, the longitudinal sections of the first pen point and the second pen point are spherical.

Still further, the first nib is a nano nib, and the second nib is a conductive felt nib.

Compared with the prior art, the utility model provides the dual-purpose digital chalk, which has the following beneficial effects:

1. this dual-purpose digital chalk, in the use, through setting up whole chalk to 74.7mm, this length is more laminated user's palm length, and when using, the user can hold the pen tube, when writing, only need pinch the pen tube, can accomplish to write, has solved among the prior art pen tube longer, leads to holding the problem that leads to causing wrist and finger ache easily when writing.

2. This dual-purpose digital chalk through setting up first nib, second nib into T type head, more convenient when the installation, and through the appearance design of T type, can prevent effectively that first nib and second nib from coming off, and then can prolong the life of two sets of nibs.

Drawings

Fig. 1 is a schematic structural diagram of a dual-purpose digital chalk according to the present utility model;

FIG. 2 is an exploded view of a nib of the dual-purpose digital chalk according to the present utility model;

FIG. 3 is an exploded view of the internal structure of a dual-purpose digital chalk according to the present utility model;

fig. 4 is a cross-sectional view of a dual-purpose digital chalk according to the present utility model.

In the figure: 1. a pen tube; 101. a second magnet; 2. a first pen point; 201. a first magnet; 3. a second pen point; 301. and a third magnet.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1-4, a dual-purpose digital chalk, comprising:

a pen tube 1;

the first pen point 2 is fixedly connected to the pen tube 1;

the second pen point 3 is fixedly connected to the pen tube 1;

the first pen point 2 and the second pen point 3 are symmetrically arranged;

the total length of the pen tube 1, the first pen point 2 and the second pen point 3 after combined installation is 74.7mm, wherein the length of the pen tube 1 is 58.5mm, the length of the first pen point 2 is 8.1mm, and the length of the second pen point 3 is 8.1mm

The first pen point 2 and the second pen point 3 are T-shaped heads, and the first pen point 2 and the second pen point 3 are fixedly connected with the pen tube 1 in an inserting connection mode.

Referring to fig. 3 and 4, the first pen point 2 and the second pen point 3 are arranged to be T-shaped heads, so that the mounting is more convenient, and the first pen point 2 and the second pen point 3 can be effectively prevented from falling off through the T-shaped appearance design.

The first pen point 2 is fixedly connected with a first magnet 201, the pen tube 1 is fixedly connected with a second magnet 101, and the first magnet 201 and the second magnet 101 attract each other.

Referring to fig. 4, the first magnet 201 and the second magnet 101 attract each other, so that the stability of the first pen point 2 can be further ensured, and the first pen point 2 can be further prevented from falling off.

The second pen point 3 is fixedly connected with a third magnet 301, and the third magnet 301 and the second magnet 101 are attracted.

Referring to fig. 4, the second pen point 3 is further secured in stability by the attraction of the second magnet 101 and the third magnet 301, and the second pen point 3 is further prevented from falling off.

Referring to fig. 3 and 4, the second magnet 101 fixedly connected to the pen holder 1 can attract the pen holder 1 to the screen when not in use, thereby effectively preventing the electronic chalk from being lost.

The outer diameter of the first nib 2 and the second nib 3 is greater than the inner diameter of the barrel 1.

The cross section of the first pen point 2 and the second pen point 3 is spherical.

The longitudinal sections of the first pen point 2 and the second pen point 3 are spherical.

Referring to fig. 4, by setting the first nib 2 and the second nib 3 to be spherical, the nibs can be prevented from scratching the screen, and scratches on the screen can be reduced.

The first pen point 2 is a conductive nano capacitance pen point, and the second pen point 3 is a conductive felt capacitance pen point.

Referring to fig. 1 and 4, in the process of mounting, the first pen point 2 is inserted into the pen tube 1, so that the first magnet 201 on the first pen point 2 and the second magnet 101 in the pen tube 1 are attracted to each other, and the fixation of the first pen point 2 can be completed; the second pen point 3 is inserted into the pen tube 1, so that the third magnet 301 on the second pen point 3 and the second magnet 101 in the pen tube 1 are attracted, and the fixation of the second pen point 3 can be completed.

Referring to fig. 1, 3 and 4, in the use, through setting the whole chalk to 74.7mm, this length is more laminated user's palm length, and when using, the user can hold pen tube 1, when writing, only need pinch pen tube 1, can accomplish and write, has solved among the prior art pen tube 1 longer, leads to holding the problem that leads to easily causing wrist and finger ache when writing.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. A dual-purpose digital chalk, comprising:

a pen tube (1);

the first pen point (2) is fixedly connected to the pen tube (1);

the second pen point (3) is fixedly connected to the pen tube (1);

the first pen point (2) and the second pen point (3) are symmetrically arranged;

the total length of the pen tube (1), the first pen point (2) and the second pen point (3) after combined installation is 73.08-77.08mm.

2. The dual-purpose digital chalk according to claim 1, wherein the first pen point (2) and the second pen point (3) are both T-shaped heads, and the first pen point (2) and the second pen point (3) are fixedly connected with the pen tube (1) in an inserting connection mode.

3. The dual-purpose digital chalk according to claim 2, wherein the first pen point (2) is fixedly connected with a first magnet (201), the pen tube (1) is fixedly connected with a second magnet (101), and the first magnet (201) and the second magnet (101) are attracted.

4. A dual-purpose digital chalk according to claim 3, characterized in that a third magnet (301) is fixedly connected to the second pen point (3), and the third magnet (301) and the second magnet (101) attract each other.

5. A dual-purpose digital chalk according to claim 2, characterized in that the outer diameter of the first and second nibs (2, 3) is larger than the inner diameter of the barrel (1).

6. The dual-purpose digital chalk according to claim 5, characterized in that the cross section of the first pen point (2) and the second pen point (3) is spherical.

7. A dual-purpose digital chalk according to claim 6, characterized in that the longitudinal sections of the first and second nibs (2, 3) are spherical.

8. The dual-purpose digital chalk according to claim 6, characterized in that the first pen point (2) is a nano pen point, and the second pen point (3) is a conductive felt pen point.