CN110588214A

CN110588214A - Automatic pencil structure

Info

Publication number: CN110588214A
Application number: CN201911000242.XA
Authority: CN
Inventors: 金燕红; 李奇辰; 张颖; 王艳
Original assignee: Anhui Institute of Information Engineering
Current assignee: Anhui Institute of Information Engineering
Priority date: 2019-10-21
Filing date: 2019-10-21
Publication date: 2019-12-20

Abstract

The invention provides a propelling pencil structure, wherein a pencil tube (2) of the propelling pencil structure is internally provided with a blade (3), the blade (3) comprises a blade edge surface (4), the inner wall of the pencil tube (2) is provided with a limit table (5), one end of a propelling pencil body (1) is provided with a pressing head (6), the other end of the pencil body (1) is provided with a pencil lead outlet (7), a pencil lead (8) extends out of the pencil lead outlet (7), one end of the pencil lead outlet (7) is provided with a structure capable of being sleeved in the pencil tube (2), the pencil lead (8) is a thick pencil lead, the propelling pencil of the invention has simple structure, can conveniently realize the propelling pencil used by young children, and the propelling pencil is sharpened quickly, the problem that the pencil lead is frequently broken and falls because the force of using the pencil cannot be controlled by the young children is solved, the pencil lead does not need to be frequently replaced, and the use convenience is improved.

Description

Automatic pencil structure

Technical Field

The invention relates to a mechanical pencil structure.

Background

People often use pencils in life and study, but pencil sharpening is too cumbersome for young children who just start learning to write. Firstly, a knife or a pencil sharpener is needed for sharpening the pencil, but the knife is too dangerous, the pencil sharpener is not easy to carry and heavy to use, the pencil sharpener is not suitable for young children, and the pencil is easily cut off by the pencil sharpener, so that waste is caused. However, mechanical pencils are generally mechanical pencils with 0.5mm and 0.7mm leads which are commonly mounted on the market, are thin and easy to break, are not suitable for writing because the young children are small in age and do not know the control strength during learning and writing, lead the pencil lead to be frequently broken, and bring inconvenience to the young children for writing.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: the propelling pencil structure is simple in structure, can conveniently realize propelling pencils used by young children, and can quickly sharpen the propelling pencils, effectively solves the problem that the writing cores are frequently broken due to the fact that the writing force of the young children cannot be controlled, does not need to be frequently replaced, and improves use convenience.

To solve the technical problems, the invention adopts the technical scheme that:

the invention relates to a propelling pencil structure, which comprises a pencil body and a pencil tube, wherein a blade is arranged in the pencil tube and comprises a blade edge surface, an acute included angle structure is formed between the blade edge surface and the inner wall of the pencil tube, a limiting table is arranged at the position, close to an opening, of the inner wall of the pencil tube, a pressing head is arranged at one end of the pencil body of the propelling pencil, a pencil lead outlet is arranged at the other end of the pencil body, a pencil lead extends out of the pencil lead outlet, one end of the pencil lead outlet is arranged to be capable of being sleeved in the pencil tube, when one end of the pencil lead outlet is sleeved in the pencil tube, the end of the pencil body is arranged to be capable of being clamped on the limiting table, and.

The pencil lead of the propelling pencil structure is a pencil lead with the diameter of more than 2 mm.

When one end of the refill outlet of the refill is sleeved in the pen tube, the blade edge surface of the blade is set to be of a structure capable of sharpening the refill.

The end head part of the pencil body of the propelling pencil structure is of a conical body structure, the position, close to the opening part, of the inner wall of the pencil tube is provided with a limiting table which is arranged along the inner wall of the pencil tube in a circle, and the limiting table 5 is arranged to be of a horn mouth shape.

When one end of the refill outlet of the refill is sleeved in the pen tube, the end head of the pen body is of a structure capable of being clamped at the position of the limiting table.

The pen body is externally sleeved with a sheath made of rubber materials.

The pen body and the pen tube are both of a structure made of plastic materials.

By adopting the technical scheme of the invention, the following beneficial effects can be obtained:

according to the propelling pencil structure, when the pencil core does not need to be sharpened, the pencil tube is sleeved at the end head part of the pencil body, the pencil core is protected in a sealing mode, the end head part of the pencil body is clamped on the limiting table, the blade cannot easily contact with the pencil core and cannot interfere with the pencil core, and meanwhile the end head part of the pencil body is reliably clamped and connected with the can body. When the pen core needs to be sharpened, only the pen tube is rotated relative to the pen body, when the pen tube and the pen body rotate to a certain angle, the blade edge face of the blade is in contact with the pointed end of the pen core, the blade edge face of the blade is of an inclined plane structure, the fact that the blade edge face of the blade can only be in contact with the limited part of the pointed end is guaranteed, at the moment, the pen body is rotated relative to the pen tube, the pen core of the pen body is in contact with the blade edge face of the blade, and sharpening of the pen point is achieved. And after the sharpening of the pen point is finished, the pen core scraps in the pen tube are poured out. Therefore, the thick pencil lead is used by the pencil point, the sharpening treatment is carried out on the tip part of the pencil point, and the pencil lead is thick as a whole and is not easy to break after sharpening according to the specific requirement that the propelling pencil is used by the young children, so that the using requirement is met. The propelling pencil is simple in structure, can be used by young children conveniently, sharpens the propelling pencil quickly, solves the problem that the pencil core is frequently broken and falls due to the fact that the force of using the pencil is not controlled by the young children, does not need to be replaced frequently, and improves the use convenience.

Drawings

The contents of the description and the references in the drawings are briefly described as follows:

FIG. 1 is a schematic structural diagram of a mechanical pencil according to the present invention;

in the drawings are labeled: 1. a pen body; 2. a pen tube; 3. a blade; 4. a blade face; 5. a limiting table; 6. a pressing head; 7. a cartridge outlet; 8. a pen core; 9. an end portion; 10. a sheath.

Detailed Description

The following detailed description of the embodiments of the present invention, such as the shapes and structures of the components, the mutual positions and connection relations among the components, the functions and operation principles of the components, will be made by referring to the accompanying drawings and the description of the embodiments:

as shown in the attached figure 1, the invention relates to a propelling pencil structure, which comprises a pencil body 1 and a pencil tube 2, wherein a blade 3 is arranged in the pencil tube 2, the blade 3 comprises a blade edge surface 4, an acute included angle structure is formed between the blade edge surface 4 and the inner wall of the pencil tube 2, a limiting table 5 is arranged at the position, close to an opening, of the inner wall of the pencil tube 2, a pressing head 6 is arranged at one end of the propelling pencil body 1, a pencil lead outlet 7 is arranged at the other end of the pencil body 1, a pencil lead outlet 7 extends out of the pencil lead 8, one end of the pencil lead outlet 7 is arranged to be capable of being sleeved in the pencil tube 2, and when one end of the pencil lead outlet 7 is sleeved in the pencil tube 2, an end part 9 of the pencil body 1 is arranged to. Above-mentioned structure, when need not sharpen the refill, with the end portion of pencil tube suit at the handwriting, play the closed guard action to the refill, at this moment, the end portion of handwriting clamps on spacing bench, and the blade can not contact easily with the refill this moment, can not interfere, realizes the end portion of handwriting and the reliable chucking of jar body simultaneously and is connected. When the pen core needs to be sharpened, as long as the pen tube is rotated relative to the pen body, when the pen tube and the pen body rotate to a certain angle, the blade edge surface of the blade is in contact with the pointed end part of the pen core, the blade edge surface of the blade is of an inclined surface structure, the fact that the blade edge surface can only be in contact with the limited part of the pointed end is guaranteed, at the moment, the pen body is rotated relative to the pen tube, the pen core of the pen body is in contact with the blade edge surface of the blade, and sharpening of the pen point is achieved. And after the sharpening of the pen point is finished, the pen core scraps in the pen tube are poured out. Therefore, the thick pencil lead is used by the pencil point, the sharpening treatment is carried out on the tip part of the pencil point, the pencil lead is convenient to use after sharpening according to the specific requirement that the propelling pencil is used by the young children, the whole pencil lead is thick, the pencil lead is not easy to break, and the using requirement is met. The propelling pencil has a simple structure, can conveniently realize the propelling pencil used by young children, quickly sharpens the propelling pencil, effectively solves the problem that the pencil core is frequently broken and falls because the force of using the pencil is not controlled by the young children, does not need to be frequently replaced, and improves the use convenience.

The pencil lead 8 of the propelling pencil structure is a pencil lead with the diameter of more than 2 mm. The above structure is used for propelling pencils for young children, and thick pencils of 2mm are used instead of 0.5mm or 0.7 mm. Thus, the use is not affected after sharpening. And for the young children who are difficult to control the force of writing with a pen when writing, the pen point is difficult to break off when using, and the requirement is met.

When one end of the refill outlet 7 of the refill 8 is sleeved in the pen tube 2, the blade edge surface 4 of the blade 3 is set to be in a structure capable of sharpening the refill 8. In the structure, the blade edge surface of the blade is of an inclined surface structure, and when the pencil lead is sharpened, the blade edge surface of the blade is contacted with the sharp head of the pencil lead to sharpen. And the limit table controls the extending amount of the pen body inserted into the pen tube. Therefore, the problem that the pen point is easy to break when sharpening due to the fact that the pen core penetrates into the pen tube to be too large in size is effectively avoided.

The end 9 of the pencil body 1 of propelling pencil structure be the toper body structure, 2 inner walls of pencil tube are close to the opening position and set up spacing platform 5 and set up the structure of arranging for a week along 2 inner walls of pencil tube, spacing platform 5 set up the structure for being horn mouth form. By the structure, when the pen body is inserted into the pen tube, the end head part of the pen body is sleeved on the limiting table, and the clamping and limiting of the position of the pen body and the limiting table are realized. Therefore, the limit table limits the size of the pen tube inserted into the end head of the pen body, and excessive insertion is avoided.

When one end of the refill outlet 7 of the refill 8 is sleeved in the pen tube 2, the end part 9 of the pen body 1 is arranged to be clamped at the position of the limiting table 5. The pen body 1 is sleeved with a sheath 10 made of rubber materials. The sheath is arranged to improve the comfort of writing.

The pen body 1 and the pen tube 2 are both made of plastic materials.

The limiting table is of a structure made of rubber materials, and the limiting table and the inner wall of the pen tube are of an integrated structure. With the structure, the pen tube plays a role of a pen cap, and the tip part of the pen core is effectively protected.

The present invention has been described in connection with the accompanying drawings, and it is to be understood that the invention is not limited to the specific embodiments disclosed, but is intended to cover various modifications, changes and equivalents of the embodiments of the invention, and its application to other applications without departing from the spirit and scope of the invention.

Claims

1. A propelling pencil structure is characterized in that: the propelling pencil structure comprises a pencil body (1) and a pencil tube (2), wherein a blade (3) is arranged in the pencil tube (2), the blade (3) comprises a blade edge surface (4), an acute included angle structure is formed between the blade edge surface (4) and the inner wall of the pencil tube (2), a limiting table (5) is arranged at a position, close to an opening, of the inner wall of the pencil tube (2), a pressing head (6) is arranged at one end of the pencil body (1), a pencil lead outlet (7) is arranged at the other end of the pencil body (1), a pencil lead outlet (7) extends out of the pencil lead (8), one end of the pencil lead outlet (7) is arranged to be capable of being sleeved in the pencil tube (2), when one end of the pencil lead outlet (7) is sleeved in the pencil tube (2), an end head (9) of the pencil body (1) is arranged to be capable of being clamped on the limiting table (5), and the pencil lead (8).

2. The mechanical pencil structure of claim 1, wherein: the pencil lead (8) of the propelling pencil structure is a pencil lead with the diameter of more than 2 mm.

3. The mechanical pencil structure of claim 1, wherein: when one end of a refill outlet (7) of the refill (8) is sleeved in the pen tube (2), the blade edge surface (4) of the blade (3) is of a structure capable of sharpening the refill (8).

4. The mechanical pencil structure of claim 1, wherein: end portion (9) of the pencil body (1) of propelling pencil structure be the toper body structure, pencil (2) inner wall is close to opening position and sets up spacing platform (5) and set up the structure of arranging for a week along pencil (2) inner wall, spacing platform (5) set up to be the structure of horn mouth form.

5. The mechanical pencil structure of claim 4, wherein: when one end of a refill outlet (7) of the refill (8) is sleeved in the pen tube (2), the end head part (9) of the pen body (1) is of a structure capable of being clamped at the position of the limiting table (5).

6. The mechanical pencil structure of claim 1, wherein: the pen body (1) is externally sleeved with a sheath (10) made of rubber materials.

7. The mechanical pencil structure of claim 1, wherein: the pen body (1) and the pen tube (2) are both made of plastic materials.

8. The mechanical pencil structure of claim 1, wherein: the limiting table (5) is of a structure made of rubber materials, and the limiting table (5) and the inner wall of the pen tube (2) are of an integrated structure.