CN211195591U

CN211195591U - Pen for blackboard writing

Info

Publication number: CN211195591U
Application number: CN201920828599.6U
Authority: CN
Inventors: 徐闻泽
Original assignee: Jinling Institute of Technology
Current assignee: Jinling Institute of Technology
Priority date: 2019-06-04
Filing date: 2019-06-04
Publication date: 2020-08-07
Anticipated expiration: 2029-06-04

Abstract

The utility model discloses a pen for blackboard writing relates to office supplies technical field, has solved because environmental restriction, does not have the blank and when needing to carry out blackboard writing on the blackboard, and the chalk makes dirty the lecturer's hand easily, injures the problem of skin. The whiteboard marker comprises a whiteboard marker, wherein the head part of the whiteboard marker is provided with a marker cap, and the tail part of the whiteboard marker is provided with an opening and is detachably connected with a sealing cap; the chalk cap is characterized in that an inner barrel used for fixing chalk is arranged inside the chalk cap, the inner barrel is connected into the chalk cap in a sliding mode along the length direction of the chalk cap, and a fixing piece used for fixing the position of the inner barrel is arranged on the chalk cap. The blackboard writing pen has the advantages that the blackboard writing pen can be used as a whiteboard pen for writing on a whiteboard, and can also be used for holding chalk to write on the blackboard, so that direct contact between skin and the chalk is reduced, and the skin is protected.

Description

Pen for blackboard writing

Technical Field

The utility model relates to an office supplies technical field, in particular to pen for blackboard writing.

Background

A whiteboard marker is a tool for writing on a whiteboard, similar to a chalk of a blackboard. The pen uses ink as ink, can be written on a smooth white board, and can be erased by a white board eraser. The white board pen contains chemical raw materials, has the taste of the chemical raw materials, forms a layer of mucosa on the surface after ink solidification, becomes strip-shaped or block-shaped particles after wiping, has no any stain to be left on a board or a blackboard eraser, and can be wiped by fingers instead of the blackboard eraser during field test to test the effect.

The lecture is often needed in office or teaching, and the blackboard writing is needed to mark important contents or supplement the contents correspondingly in the lecture process, but sometimes, due to environmental limitation, the blackboard writing needs to be carried out on a blackboard without a white board, and hands of a lecturer are easily polluted by directly holding chalk, so that the skin is injured.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a pen for blackboard writing, it can carry out the blackboard writing on the blank as the blank pen, can be used for holding the chalk again and carry out the blackboard writing on the blackboard, reduces the direct contact of skin and chalk, protects skin.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a pen for writing on a blackboard comprises a whiteboard pen, wherein a pen cover is arranged at the head part of the whiteboard pen, and a seal cover is detachably connected with an opening at the tail part of the whiteboard pen; the chalk cap is characterized in that an inner barrel used for fixing chalk is arranged inside the chalk cap, the inner barrel is connected into the chalk cap in a sliding mode along the length direction of the chalk cap, and a fixing piece used for fixing the position of the inner barrel is arranged on the chalk cap.

Furthermore, the mounting includes lock nut, lock nut only slides along pen cap length direction and connects in the pen cap, the internal periphery of lock nut is equipped with conical internal thread, and outer end internal thread diameter is greater than inner internal thread diameter, a plurality of openings that set up along its axial are seted up to lock nut the inner, the inner end of inner tube be equipped with lock nut's internal thread to the lock bolt that matches.

Furthermore, an electronic input section for writing on a projected curtain or a wall surface is arranged on one side of the sealing cover, which is far away from the whiteboard marker.

Furthermore, a wireless receiver used for connecting the electronic input section and a computer in a communication way is inserted at the outer end of the electronic input section.

Furthermore, a warning indicator is arranged in the wireless receiver, and when the distance between the electronic input section and the wireless receiver exceeds a set distance, the warning indicator in the wireless receiver sounds.

Furthermore, the sealing cover is in threaded connection with the inner circumferential surface of the ink cavity at the tail end of the whiteboard pen.

Furthermore, the outer diameter of the electronic input section decreases progressively along the direction away from the whiteboard marker, and the inner diameter of the pen cap is not more than the maximum outer diameter of the electronic input section and not less than the minimum outer diameter of the electronic input section.

To sum up, the utility model discloses following beneficial effect has:

1. through the inner cylinder in the pen cap, when the whiteboard pen is used for writing on a whiteboard, the blackboard can be written on the blackboard by fixing the chalk through the inner cylinder, so that direct contact between skin and the chalk can be reduced, and the skin is protected;

2. the inner cylinder is fixed in the pen cap in a locking nut mode, so that the position of the inner cylinder can be conveniently adjusted, the chalk cap is suitable for chalks with different lengths and writing habits of different users, and the fixing is convenient;

3. when the electronic input section is used as an input pen of a projector, the electronic input section can be used for drawing or writing the projection on a curtain or a white wall when the projector is used.

Drawings

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

fig. 2 is a schematic structural diagram of a pen cap portion of the present invention.

In the figure, 1, a white board pen; 2. a pen cap; 3. sealing the cover; 31. an electronic input section; 32. a wireless receiver; 4. an inner barrel; 5. and locking the nut.

Detailed Description

The following description will be further described with reference to the accompanying drawings, which are not intended to limit the present invention.

A pen for writing on a blackboard comprises a white board pen 1, as shown in figure 1, a pen cap 2 is arranged at the head of the white board pen 1, and the outer peripheral surface of one outward side of the pen cap 2 is in a polygon prism shape; the inner barrel 4 used for fixing the chalk is arranged inside the pen cap 2, the inner barrel 4 is connected into the pen cap 2 in a sliding mode along the length direction of the pen cap 2, and a fixing piece used for fixing the position of the inner barrel 4 is arranged on the pen cap 2.

As shown in fig. 1, the fixing member includes a locking nut 5, the locking nut 5 is slidably connected in the pen cap 2 only along the length direction of the pen cap 2, in this embodiment, a plurality of axially arranged ribs are integrally connected to the outer circumferential surface of the locking nut 5, the axially arranged ribs are uniformly distributed on the outer circumferential surface of the locking nut 5, and grooves matched with the ribs are formed on the inner circumferential surface of the pen cap 2; the internal periphery of lock nut 5 is equipped with conical internal thread, and outer end internal thread diameter is greater than inner internal thread diameter, lock nut 5 the inner has seted up a plurality of openings that set up along its axial, inner 4 the inner of inner tube is equipped with the internal thread to the locking bolt who matches with lock nut 5, in this embodiment, lock nut 5 is last to be opened altogether has three opening, one of them runs through its both ends, other two only run through to its inner end, the locking bolt top is connected with the stopper that the diameter is greater than the minimum internal diameter of lock nut 5, in order to prevent to separate completely between lock nut 5 and the inner tube 4.

As shown in fig. 1, an electronic input section 31 for writing on a projected screen or a wall surface is disposed on a side of the cover 3 away from the whiteboard pen 1, and a USB wireless receiver 32 for connecting the electronic input section 31 to a computer in a communication manner is inserted at an outer end of the electronic input section 31, the structure and principle of which are the prior art, for example, the chinese patent "a remote interactive pen and a handwriting detection method" with an authorization publication number of CN101872260B is disclosed, and is not described herein.

As shown in fig. 1, in order to prevent the wireless receiver 32 from being missed on the computer, a warning device is disposed in the wireless receiver 32, and when the distance between the electronic input segment 31 and the wireless receiver 32 exceeds a predetermined distance, the warning device in the wireless receiver 32 sounds a warning sound.

As shown in fig. 1, in order to facilitate the ink filling of the ink chamber of the whiteboard pen 1 and to prolong the service life of the whiteboard pen 1, the outer end of the ink chamber at the tail of the whiteboard pen 1 is open and detachably connected with a sealing cover 3, and the sealing cover 3 is screwed on the inner circumferential surface of the ink chamber at the tail of the whiteboard pen 1.

As shown in fig. 1, in order to facilitate the use of the whiteboard marker 1, the pen cap 2 is sleeved outside the electronic input section 31 to prevent loss, the outer diameter of the electronic input section 31 decreases progressively in the direction away from the whiteboard marker 1, and the inner diameter of the pen cap 2 is smaller than the maximum outer diameter of the electronic input section 31 and larger than the minimum outer diameter of the electronic input section 31.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and those skilled in the art can make various modifications or equivalent substitutions within the spirit and scope of the present invention, and such modifications or equivalent substitutions should also be considered as falling within the scope of the present invention.

Claims

1. A pen for writing on blackboard, its characterized in that: the whiteboard marker comprises a whiteboard marker (1), wherein the head part of the whiteboard marker (1) is provided with a marker cap (2), and the tail part of the whiteboard marker is provided with an opening and is detachably connected with a sealing cap (3); the chalk box is characterized in that an inner barrel (4) used for fixing chalk is arranged inside the pen cap (2), the inner barrel (4) is connected into the pen cap (2) in a sliding mode along the length direction of the pen cap (2), and a fixing piece used for fixing the position of the inner barrel (4) is arranged on the pen cap (2).

2. A pen for writing on a board according to claim 1, wherein: the mounting includes lock nut (5), lock nut (5) only slide along pen cap (2) length direction and connect in pen cap (2), the interior week of lock nut (5) is equipped with conical internal thread, and outer end internal thread diameter is greater than inner internal thread diameter, a plurality of openings that set up along its axial are seted up to lock nut (5) the inner, inner tube (4) the inner be equipped with lock nut (5) the internal thread to the lock bolt that matches.

3. A pen for writing on a board according to claim 1 or 2, wherein: one side of the sealing cover (3) far away from the whiteboard pen (1) is provided with an electronic input section (31) used for writing on a projected curtain or a wall surface.

4. A pen for writing on a board according to claim 3, wherein: a wireless receiver (32) for connecting the electronic input section (31) with a computer in a communication way is inserted at the outer end of the electronic input section (31).

5. A pen for writing on a blackboard according to claim 4, wherein: and a warning indicator is arranged in the wireless receiver (32), and when the distance between the electronic input section (31) and the wireless receiver (32) exceeds a set distance, the warning indicator in the wireless receiver (32) sounds.

6. A pen for writing on a board according to claim 1 or 2, wherein: the seal cover (3) is in threaded connection with the inner circumferential surface of the ink cavity at the tail end of the whiteboard pen (1).

7. A pen for writing on a board according to claim 3, wherein: the outer diameter of the electronic input section (31) is gradually decreased along the direction far away from the whiteboard pen (1), and the inner diameter of the pen cover (2) is not more than the maximum outer diameter of the electronic input section (31) and not less than the minimum outer diameter of the electronic input section (31).